1 Commits
dev ... WX-new

Author SHA1 Message Date
Der_Googler
c5ed6e1e8c manager: Update WebUI X to the latest version (#345)
* manager: bump WebUI X

* manager: forgot to add interface name back

* manager: use compose set content for webuix

* manager: fix :jna library and reflections in prod
2025-08-21 07:21:43 +08:00
441 changed files with 29905 additions and 30681 deletions

137
.github/workflows/avd-kernel.yml vendored Normal file
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name: GKI Kernel Build
on:
workflow_call:
inputs:
version_name:
required: true
type: string
description: >
With SUBLEVEL of kernel,
for example: android12-5.10.66
arch:
required: true
type: string
description: >
Build arch: aarch64/x86_64
debug:
required: false
type: boolean
default: true
manifest_name:
required: false
type: string
description: >
Local repo manifest xml path,
typically for AVD kernel build.
secrets:
BOOT_SIGN_KEY:
required: false
CHAT_ID:
required: false
BOT_TOKEN:
required: false
MESSAGE_THREAD_ID:
required: false
jobs:
build:
name: Build ${{ inputs.version_name }}
runs-on: ubuntu-22.04
steps:
- name: Maximize build space
uses: easimon/maximize-build-space@master
with:
root-reserve-mb: 8192
temp-reserve-mb: 2048
remove-dotnet: 'true'
remove-android: 'true'
remove-haskell: 'true'
remove-codeql: 'true'
- uses: actions/checkout@v4
with:
path: KernelSU
fetch-depth: 0
- name: Setup need_upload
id: need_upload
run: |
if [ ! -z "${{ secrets.BOT_TOKEN }}" ]; then
echo "UPLOAD=true" >> $GITHUB_OUTPUT
else
echo "UPLOAD=false" >> $GITHUB_OUTPUT
fi
- name: Setup kernel source
run: |
echo "Free space:"
df -h
cd $GITHUB_WORKSPACE
sudo apt-get install repo -y
mkdir android-kernel && cd android-kernel
repo init --depth=1 -u https://android.googlesource.com/kernel/manifest -m "$GITHUB_WORKSPACE/KernelSU/.github/manifests/${{ inputs.manifest_name }}" --repo-rev=v2.16
repo --version
repo --trace sync -c -j$(nproc --all) --no-tags
df -h
- name: Setup KernelSU
env:
PATCH_PATH: ${{ inputs.patch_path }}
IS_DEBUG_KERNEL: ${{ inputs.debug }}
run: |
cd $GITHUB_WORKSPACE/android-kernel
echo "[+] KernelSU setup"
GKI_ROOT=$(pwd)
echo "[+] GKI_ROOT: $GKI_ROOT"
echo "[+] Copy KernelSU driver to $GKI_ROOT/common/drivers"
ln -sf $GITHUB_WORKSPACE/KernelSU/kernel $GKI_ROOT/common/drivers/kernelsu
echo "[+] Add KernelSU driver to Makefile"
DRIVER_MAKEFILE=$GKI_ROOT/common/drivers/Makefile
DRIVER_KCONFIG=$GKI_ROOT/common/drivers/Kconfig
grep -q "kernelsu" "$DRIVER_MAKEFILE" || printf "\nobj-\$(CONFIG_KSU) += kernelsu/\n" >> "$DRIVER_MAKEFILE"
grep -q "kernelsu" "$DRIVER_KCONFIG" || sed -i "/endmenu/i\\source \"drivers/kernelsu/Kconfig\"" "$DRIVER_KCONFIG"
echo "[+] Apply KernelSU patches"
cd $GKI_ROOT/common/ && git apply $GITHUB_WORKSPACE/KernelSU/.github/patches/$PATCH_PATH/*.patch || echo "[-] No patch found"
if [ "$IS_DEBUG_KERNEL" = "true" ]; then
echo "[+] Enable debug features for kernel"
printf "\nccflags-y += -DCONFIG_KSU_DEBUG\n" >> $GITHUB_WORKSPACE/KernelSU/kernel/Makefile
fi
repo status
echo "[+] KernelSU setup done."
cd $GITHUB_WORKSPACE/KernelSU
VERSION=$(($(git rev-list --count HEAD) + 10200))
echo "VERSION: $VERSION"
echo "kernelsu_version=$VERSION" >> $GITHUB_ENV
- name: Make working directory clean to avoid dirty
working-directory: android-kernel
run: |
rm common/android/abi_gki_protected_exports_* || echo "No protected exports!"
git config --global user.email "bot@kernelsu.org"
git config --global user.name "KernelSUBot"
cd common/ && git add -A && git commit -a -m "Add KernelSU"
repo status
- name: Build kernel
working-directory: android-kernel
run: |
if [ ! -z ${{ vars.EXPECTED_SIZE }} ] && [ ! -z ${{ vars.EXPECTED_HASH }} ]; then
export KSU_EXPECTED_SIZE=${{ vars.EXPECTED_SIZE }}
export KSU_EXPECTED_HASH=${{ vars.EXPECTED_HASH }}
fi
tools/bazel run --config=fast --config=stamp --lto=thin //common-modules/virtual-device:virtual_device_${{ inputs.arch }}_dist -- --dist_dir=dist
NAME=kernel-${{ inputs.arch }}-avd-${{ inputs.version_name }}-${{ env.kernelsu_version }}
TARGET_IMAGE=dist/bzImage
if [ ! -e $TARGET_IMAGE ]; then
TARGET_IMAGE=dist/Image
fi
mv $TARGET_IMAGE $NAME
echo "file_path=android-kernel/$NAME" >> $GITHUB_ENV
- name: Upload Kernel
uses: actions/upload-artifact@v4
with:
name: kernel-${{ inputs.arch }}-avd-${{ inputs.version_name }}-${{ env.kernelsu_version }}
path: "${{ env.file_path }}"

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@@ -1,20 +0,0 @@
name: Build Android GKI Image
on:
workflow_call:
jobs:
build-a12-kernel:
uses: ./.github/workflows/build-kernel-a12.yml
secrets: inherit
build-a13-kernel:
uses: ./.github/workflows/build-kernel-a13.yml
secrets: inherit
build-a14-kernel:
uses: ./.github/workflows/build-kernel-a14.yml
secrets: inherit
build-a15-kernel:
uses: ./.github/workflows/build-kernel-a15.yml
secrets: inherit
build-a16-kernel:
uses: ./.github/workflows/build-kernel-a16.yml
secrets: inherit

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@@ -1,111 +0,0 @@
name: Build Kernel - Android 12
on:
# push:
# branches: ["main", "ci", "checkci"]
# paths:
# - ".github/workflows/deps/gki/build-kernel-a12.yml"
# - ".github/workflows/deps/gki/gki-kernel.yml"
# - ".github/scripts/build_a12.sh"
# - "kernel/**"
workflow_call:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
workflow_dispatch:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
jobs:
build-kernel:
if: github.event_name != 'pull_request' && github.ref != 'refs/heads/checkci'
strategy:
matrix:
include:
- sub_level: 209
os_patch_level: 2024-05
- sub_level: 218
os_patch_level: 2024-08
- sub_level: 226
os_patch_level: 2024-11
- sub_level: 233
os_patch_level: 2025-02
- sub_level: 236
os_patch_level: 2025-05
uses: ./.github/workflows/gki-kernel.yml
secrets: inherit
with:
version: android12-5.10
version_name: android12-5.10.${{ matrix.sub_level }}
tag: android12-5.10-${{ matrix.os_patch_level }}
os_patch_level: ${{ matrix.os_patch_level }}
patch_path: "5.10"
debug: ${{ inputs.debug || false }}
upload-artifacts:
needs: build-kernel
runs-on: ubuntu-latest
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' || github.ref == 'refs/heads/ci' }}
env:
CHAT_ID: ${{ secrets.CHAT_ID }}
BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
MESSAGE_THREAD_ID: ${{ secrets.MESSAGE_THREAD_ID }}
COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
COMMIT_URL: ${{ github.event.head_commit.url }}
RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
steps:
- name: Download artifacts
uses: actions/download-artifact@v4
- uses: actions/checkout@v4
with:
path: KernelSU
fetch-depth: 0
- name: List artifacts
run: |
tree
- name: Download prebuilt toolchain
run: |
AOSP_MIRROR=https://android.googlesource.com
BRANCH=main-kernel-build-2024
git clone $AOSP_MIRROR/platform/prebuilts/build-tools -b $BRANCH --depth 1 build-tools
git clone $AOSP_MIRROR/kernel/prebuilts/build-tools -b $BRANCH --depth 1 kernel-build-tools
git clone $AOSP_MIRROR/platform/system/tools/mkbootimg -b $BRANCH --depth 1
pip3 install telethon
- name: Set boot sign key
env:
BOOT_SIGN_KEY: ${{ secrets.BOOT_SIGN_KEY }}
run: |
if [ ! -z "$BOOT_SIGN_KEY" ]; then
echo "$BOOT_SIGN_KEY" > ./kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem
fi
- name: Build boot images
run: |
export AVBTOOL=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/bin/avbtool
export GZIP=$GITHUB_WORKSPACE/build-tools/path/linux-x86/gzip
export LZ4=$GITHUB_WORKSPACE/build-tools/path/linux-x86/lz4
export MKBOOTIMG=$GITHUB_WORKSPACE/mkbootimg/mkbootimg.py
export UNPACK_BOOTIMG=$GITHUB_WORKSPACE/mkbootimg/unpack_bootimg.py
cd $GITHUB_WORKSPACE/KernelSU
export VERSION=$(($(git rev-list --count HEAD) + 10200))
echo "VERSION: $VERSION"
cd -
bash $GITHUB_WORKSPACE/KernelSU/.github/scripts/build_a12.sh
- name: Display structure of boot files
run: ls -R
- name: Upload images artifact
uses: actions/upload-artifact@v4
with:
name: boot-images-android12
path: Image-android12*/*.img.gz

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@@ -1,146 +0,0 @@
name: Build Kernel - Android 13
on:
# push:
# branches: ["main", "ci", "checkci"]
# paths:
# - ".github/workflows/deps/gki/build-kernel-a13.yml"
# - ".github/workflows/deps/gki/gki-kernel.yml"
# - ".github/scripts/build_a13.sh"
# - "kernel/**"
workflow_call:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
workflow_dispatch:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
jobs:
build-kernel:
if: github.event_name != 'pull_request' && github.ref != 'refs/heads/checkci'
strategy:
matrix:
include:
- version: "5.10"
sub_level: 209
os_patch_level: 2024-05
- version: "5.10"
sub_level: 210
os_patch_level: 2024-06
- version: "5.10"
sub_level: 214
os_patch_level: 2024-07
- version: "5.10"
sub_level: 218
os_patch_level: 2024-08
- version: "5.10"
sub_level: 223
os_patch_level: 2024-11
- version: "5.10"
sub_level: 228
os_patch_level: 2025-01
- version: "5.10"
sub_level: 234
os_patch_level: 2025-03
- version: "5.15"
sub_level: 148
os_patch_level: 2024-05
- version: "5.15"
sub_level: 149
os_patch_level: 2024-07
- version: "5.15"
sub_level: 151
os_patch_level: 2024-08
- version: "5.15"
sub_level: 153
os_patch_level: 2024-09
- version: "5.15"
sub_level: 167
os_patch_level: 2024-11
- version: "5.15"
sub_level: 178
os_patch_level: 2024-11
- version: "5.15"
sub_level: 170
os_patch_level: 2025-01
- version: "5.15"
sub_level: 178
os_patch_level: 2025-03
uses: ./.github/workflows/gki-kernel.yml
secrets: inherit
with:
version: android13-${{ matrix.version }}
version_name: android13-${{ matrix.version }}.${{ matrix.sub_level }}
tag: android13-${{ matrix.version }}-${{ matrix.os_patch_level }}
os_patch_level: ${{ matrix.os_patch_level }}
patch_path: ${{ matrix.version }}
debug: ${{ inputs.debug || false }}
upload-artifacts:
needs: build-kernel
runs-on: ubuntu-latest
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' || github.ref == 'refs/heads/ci' }}
env:
CHAT_ID: ${{ secrets.CHAT_ID }}
BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
MESSAGE_THREAD_ID: ${{ secrets.MESSAGE_THREAD_ID }}
COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
COMMIT_URL: ${{ github.event.head_commit.url }}
RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
steps:
- name: Download artifacts
uses: actions/download-artifact@v4
- uses: actions/checkout@v4
with:
path: KernelSU
fetch-depth: 0
- name: List artifacts
run: |
tree
- name: Download prebuilt toolchain
run: |
AOSP_MIRROR=https://android.googlesource.com
BRANCH=main-kernel-build-2024
git clone $AOSP_MIRROR/platform/prebuilts/build-tools -b $BRANCH --depth 1 build-tools
git clone $AOSP_MIRROR/kernel/prebuilts/build-tools -b $BRANCH --depth 1 kernel-build-tools
git clone $AOSP_MIRROR/platform/system/tools/mkbootimg -b $BRANCH --depth 1
pip3 install telethon
- name: Set boot sign key
env:
BOOT_SIGN_KEY: ${{ secrets.BOOT_SIGN_KEY }}
run: |
if [ ! -z "$BOOT_SIGN_KEY" ]; then
echo "$BOOT_SIGN_KEY" > ./kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem
fi
- name: Build boot images
run: |
export AVBTOOL=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/bin/avbtool
export GZIP=$GITHUB_WORKSPACE/build-tools/path/linux-x86/gzip
export LZ4=$GITHUB_WORKSPACE/build-tools/path/linux-x86/lz4
export MKBOOTIMG=$GITHUB_WORKSPACE/mkbootimg/mkbootimg.py
export UNPACK_BOOTIMG=$GITHUB_WORKSPACE/mkbootimg/unpack_bootimg.py
cd $GITHUB_WORKSPACE/KernelSU
export VERSION=$(($(git rev-list --count HEAD) + 10200))
echo "VERSION: $VERSION"
cd -
bash $GITHUB_WORKSPACE/KernelSU/.github/scripts/build_a13.sh
- name: Display structure of boot files
run: ls -R
- name: Upload images artifact
uses: actions/upload-artifact@v4
with:
name: boot-images-android13
path: Image-android13*/*.img.gz

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@@ -1,158 +0,0 @@
name: Build Kernel - Android 14
on:
# push:
# branches: ["main", "ci", "checkci"]
# paths:
# - ".github/workflows/deps/gki/build-kernel-a14.yml"
# - ".github/workflows/deps/gki/gki-kernel.yml"
# - ".github/scripts/build_a13.sh"
# - "kernel/**"
workflow_call:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
workflow_dispatch:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
jobs:
build-kernel:
if: github.event_name != 'pull_request' && github.ref != 'refs/heads/checkci'
strategy:
matrix:
include:
- version: "5.15"
sub_level: 148
os_patch_level: 2024-05
- version: "5.15"
sub_level: 149
os_patch_level: 2024-06
- version: "5.15"
sub_level: 153
os_patch_level: 2024-07
- version: "5.15"
sub_level: 158
os_patch_level: 2024-08
- version: "5.15"
sub_level: 164
os_patch_level: 2024-09
- version: "5.15"
sub_level: 167
os_patch_level: 2024-11
- version: "5.15"
sub_level: 170
os_patch_level: 2025-01
- version: "5.15"
sub_level: 178
os_patch_level: 2025-03
- version: "6.1"
sub_level: 75
os_patch_level: 2024-05
- version: "6.1"
sub_level: 78
os_patch_level: 2024-06
- version: "6.1"
sub_level: 84
os_patch_level: 2024-07
- version: "6.1"
sub_level: 90
os_patch_level: 2024-08
- version: "6.1"
sub_level: 93
os_patch_level: 2024-09
- version: "6.1"
sub_level: 99
os_patch_level: 2024-10
- version: "6.1"
sub_level: 112
os_patch_level: 2024-11
- version: "6.1"
sub_level: 115
os_patch_level: 2024-12
- version: "6.1"
sub_level: 118
os_patch_level: 2025-01
- version: "6.1"
sub_level: 128
os_patch_level: 2025-03
- version: "6.1"
sub_level: 134
os_patch_level: 2025-05
uses: ./.github/workflows/gki-kernel.yml
secrets: inherit
with:
version: android14-${{ matrix.version }}
version_name: android14-${{ matrix.version }}.${{ matrix.sub_level }}
tag: android14-${{ matrix.version }}-${{ matrix.os_patch_level }}
os_patch_level: ${{ matrix.os_patch_level }}
patch_path: ${{ matrix.version }}
debug: ${{ inputs.debug || false }}
upload-artifacts:
needs: build-kernel
runs-on: ubuntu-latest
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' || github.ref == 'refs/heads/ci' }}
env:
CHAT_ID: ${{ secrets.CHAT_ID }}
BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
MESSAGE_THREAD_ID: ${{ secrets.MESSAGE_THREAD_ID }}
COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
COMMIT_URL: ${{ github.event.head_commit.url }}
RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
steps:
- name: Download artifacts
uses: actions/download-artifact@v4
- uses: actions/checkout@v4
with:
path: KernelSU
fetch-depth: 0
- name: List artifacts
run: |
tree
- name: Download prebuilt toolchain
run: |
AOSP_MIRROR=https://android.googlesource.com
BRANCH=main-kernel-build-2024
git clone $AOSP_MIRROR/platform/prebuilts/build-tools -b $BRANCH --depth 1 build-tools
git clone $AOSP_MIRROR/kernel/prebuilts/build-tools -b $BRANCH --depth 1 kernel-build-tools
git clone $AOSP_MIRROR/platform/system/tools/mkbootimg -b $BRANCH --depth 1
pip3 install telethon
- name: Set boot sign key
env:
BOOT_SIGN_KEY: ${{ secrets.BOOT_SIGN_KEY }}
run: |
if [ ! -z "$BOOT_SIGN_KEY" ]; then
echo "$BOOT_SIGN_KEY" > ./kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem
fi
- name: Build boot images
run: |
export AVBTOOL=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/bin/avbtool
export GZIP=$GITHUB_WORKSPACE/build-tools/path/linux-x86/gzip
export LZ4=$GITHUB_WORKSPACE/build-tools/path/linux-x86/lz4
export MKBOOTIMG=$GITHUB_WORKSPACE/mkbootimg/mkbootimg.py
export UNPACK_BOOTIMG=$GITHUB_WORKSPACE/mkbootimg/unpack_bootimg.py
cd $GITHUB_WORKSPACE/KernelSU
export VERSION=$(($(git rev-list --count HEAD) + 10200))
echo "VERSION: $VERSION"
cd -
bash $GITHUB_WORKSPACE/KernelSU/.github/scripts/build_a13.sh
- name: Display structure of boot files
run: ls -R
- name: Upload images artifact
uses: actions/upload-artifact@v4
with:
name: boot-images-android14
path: Image-android14*/*.img.gz

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@@ -1,131 +0,0 @@
name: Build Kernel - Android 15
on:
# push:
# branches: ["main", "ci", "checkci"]
# paths:
# - ".github/workflows/deps/gki/build-kernel-a15.yml"
# - ".github/workflows/deps/gki/gki-kernel.yml"
# - ".github/scripts/build_a13.sh"
# - "kernel/**"
workflow_call:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
workflow_dispatch:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
jobs:
build-kernel:
if: github.event_name != 'pull_request' && github.ref != 'refs/heads/checkci'
strategy:
matrix:
include:
- version: "6.6"
sub_level: 30
os_patch_level: 2024-08
- version: "6.6"
sub_level: 46
os_patch_level: 2024-09
- version: "6.6"
sub_level: 50
os_patch_level: 2024-10
- version: "6.6"
sub_level: 56
os_patch_level: 2024-11
- version: "6.6"
sub_level: 57
os_patch_level: 2024-12
- version: "6.6"
sub_level: 58
os_patch_level: 2025-01
- version: "6.6"
sub_level: 66
os_patch_level: 2025-02
- version: "6.6"
sub_level: 77
os_patch_level: 2025-03
- version: "6.6"
sub_level: 82
os_patch_level: 2025-04
- version: "6.6"
sub_level: 87
os_patch_level: 2025-05
uses: ./.github/workflows/gki-kernel.yml
secrets: inherit
with:
version: android15-${{ matrix.version }}
version_name: android15-${{ matrix.version }}.${{ matrix.sub_level }}
tag: android15-${{ matrix.version }}-${{ matrix.os_patch_level }}
os_patch_level: ${{ matrix.os_patch_level }}
patch_path: ${{ matrix.version }}
debug: ${{ inputs.debug || false }}
upload-artifacts:
needs: build-kernel
runs-on: ubuntu-latest
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' || github.ref == 'refs/heads/ci' }}
env:
CHAT_ID: ${{ secrets.CHAT_ID }}
BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
MESSAGE_THREAD_ID: ${{ secrets.MESSAGE_THREAD_ID }}
COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
COMMIT_URL: ${{ github.event.head_commit.url }}
RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
steps:
- name: Download artifacts
uses: actions/download-artifact@v4
- uses: actions/checkout@v4
with:
path: KernelSU
fetch-depth: 0
- name: List artifacts
run: |
tree
- name: Download prebuilt toolchain
run: |
AOSP_MIRROR=https://android.googlesource.com
BRANCH=main-kernel-build-2024
git clone $AOSP_MIRROR/platform/prebuilts/build-tools -b $BRANCH --depth 1 build-tools
git clone $AOSP_MIRROR/kernel/prebuilts/build-tools -b $BRANCH --depth 1 kernel-build-tools
git clone $AOSP_MIRROR/platform/system/tools/mkbootimg -b $BRANCH --depth 1
pip3 install telethon
- name: Set boot sign key
env:
BOOT_SIGN_KEY: ${{ secrets.BOOT_SIGN_KEY }}
run: |
if [ ! -z "$BOOT_SIGN_KEY" ]; then
echo "$BOOT_SIGN_KEY" > ./kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem
fi
- name: Build boot images
run: |
export AVBTOOL=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/bin/avbtool
export GZIP=$GITHUB_WORKSPACE/build-tools/path/linux-x86/gzip
export LZ4=$GITHUB_WORKSPACE/build-tools/path/linux-x86/lz4
export MKBOOTIMG=$GITHUB_WORKSPACE/mkbootimg/mkbootimg.py
export UNPACK_BOOTIMG=$GITHUB_WORKSPACE/mkbootimg/unpack_bootimg.py
cd $GITHUB_WORKSPACE/KernelSU
export VERSION=$(($(git rev-list --count HEAD) + 10200))
echo "VERSION: $VERSION"
cd -
bash $GITHUB_WORKSPACE/KernelSU/.github/scripts/build_a13.sh
- name: Display structure of boot files
run: ls -R
- name: Upload images artifact
uses: actions/upload-artifact@v4
with:
name: boot-images-android15
path: Image-android15*/*.img.gz

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@@ -1,104 +0,0 @@
name: Build Kernel - Android 16
on:
# push:
# branches: ["main", "ci", "checkci"]
# paths:
# - ".github/workflows/deps/gki/build-kernel-a16.yml"
# - ".github/workflows/deps/gki/gki-kernel.yml"
# - ".github/scripts/build_a13.sh"
# - "kernel/**"
workflow_call:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
workflow_dispatch:
inputs:
debug:
description: 'Build debug kernel'
required: false
type: boolean
default: false
jobs:
build-kernel:
if: github.event_name != 'pull_request' && github.ref != 'refs/heads/checkci'
strategy:
matrix:
include:
- version: "6.12"
sub_level: 38
os_patch_level: 2025-08
uses: ./.github/workflows/gki-kernel.yml
secrets: inherit
with:
version: android16-${{ matrix.version }}
version_name: android16-${{ matrix.version }}.${{ matrix.sub_level }}
tag: android16-${{ matrix.version }}-${{ matrix.os_patch_level }}
os_patch_level: ${{ matrix.os_patch_level }}
patch_path: ${{ matrix.version }}
debug: ${{ inputs.debug || false }}
upload-artifacts:
needs: build-kernel
runs-on: ubuntu-latest
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' || github.ref == 'refs/heads/ci' }}
env:
CHAT_ID: ${{ secrets.CHAT_ID }}
BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
MESSAGE_THREAD_ID: ${{ secrets.MESSAGE_THREAD_ID }}
COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
COMMIT_URL: ${{ github.event.head_commit.url }}
RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
steps:
- name: Download artifacts
uses: actions/download-artifact@v6
- uses: actions/checkout@v5
with:
path: KernelSU
fetch-depth: 0
- name: List artifacts
run: |
tree
- name: Download prebuilt toolchain
run: |
AOSP_MIRROR=https://android.googlesource.com
BRANCH=main-kernel-build-2024
git clone $AOSP_MIRROR/platform/prebuilts/build-tools -b $BRANCH --depth 1 build-tools
git clone $AOSP_MIRROR/kernel/prebuilts/build-tools -b $BRANCH --depth 1 kernel-build-tools
git clone $AOSP_MIRROR/platform/system/tools/mkbootimg -b $BRANCH --depth 1
pip3 install telethon
- name: Set boot sign key
env:
BOOT_SIGN_KEY: ${{ secrets.BOOT_SIGN_KEY }}
run: |
if [ ! -z "$BOOT_SIGN_KEY" ]; then
echo "$BOOT_SIGN_KEY" > ./kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem
fi
- name: Build boot images
run: |
export AVBTOOL=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/bin/avbtool
export GZIP=$GITHUB_WORKSPACE/build-tools/path/linux-x86/gzip
export LZ4=$GITHUB_WORKSPACE/build-tools/path/linux-x86/lz4
export MKBOOTIMG=$GITHUB_WORKSPACE/mkbootimg/mkbootimg.py
export UNPACK_BOOTIMG=$GITHUB_WORKSPACE/mkbootimg/unpack_bootimg.py
cd $GITHUB_WORKSPACE/KernelSU
export VERSION=$(($(git rev-list --count HEAD) + 10200))
echo "VERSION: $VERSION"
cd -
bash $GITHUB_WORKSPACE/KernelSU/.github/scripts/build_a13.sh
- name: Display structure of boot files
run: ls -R
- name: Upload images artifact
uses: actions/upload-artifact@v5
with:
name: boot-images-android16
path: Image-android16*/*.img.gz

74
.github/workflows/build-lkm-local.yml vendored Normal file
View File

@@ -0,0 +1,74 @@
name: Build LKM for KernelSU Local
on:
workflow_call:
inputs:
upload:
required: true
type: boolean
default: true
description: "Whether to upload to branch"
secrets:
# username:github_pat
TOKEN:
required: true
workflow_dispatch:
inputs:
upload:
required: true
type: boolean
default: true
description: "Whether to upload to branch"
jobs:
build-lkm:
strategy:
matrix:
include:
- version: "android12-5.10"
sub_level: 236
os_patch_level: 2025-05
- version: "android13-5.10"
sub_level: 234
os_patch_level: 2025-03
- version: "android13-5.15"
sub_level: 178
os_patch_level: 2025-03
- version: "android14-5.15"
sub_level: 178
os_patch_level: 2025-03
- version: "android14-6.1"
sub_level: 134
os_patch_level: 2025-05
- version: "android15-6.6"
sub_level: 87
os_patch_level: 2025-05
# uses: ./.github/workflows/gki-kernel-mock.yml when debugging
uses: ./.github/workflows/gki-kernel-local.yml
with:
version: ${{ matrix.version }}
version_name: ${{ matrix.version }}.${{ matrix.sub_level }}
tag: ${{ matrix.version }}-${{ matrix.os_patch_level }}
os_patch_level: ${{ matrix.os_patch_level }}
build_lkm: true
push-to-branch:
needs: [build-lkm]
runs-on: self-hosted
if: ${{ inputs.upload }}
steps:
- name: Download all workflow run artifacts
uses: actions/download-artifact@v4
with:
path: bin/
merge-multiple: true
- name: Push to branch LKM
run: |
cd bin
git config --global init.defaultBranch lkm
git init
git remote add origin https://${{ secrets.TOKEN }}@github.com/${{ github.repository }}
git config --local user.name "github-actions[bot]"
git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
find . -type f
git add .
git commit -m "Upload LKM from ${{ github.sha }}" -m "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
git push --force --set-upstream origin lkm

View File

@@ -1,21 +1,74 @@
name: Build LKM for KernelSU
on:
workflow_call:
inputs:
upload:
required: true
type: boolean
default: true
description: "Whether to upload to branch"
secrets:
# username:github_pat
TOKEN:
required: true
workflow_dispatch:
inputs:
upload:
required: true
type: boolean
default: true
description: "Whether to upload to branch"
jobs:
build-lkm:
strategy:
fail-fast: false
matrix:
kmi:
- android12-5.10
- android13-5.10
- android13-5.15
- android14-5.15
- android14-6.1
- android15-6.6
- android16-6.12
uses: ./.github/workflows/ddk-lkm.yml
include:
- version: "android12-5.10"
sub_level: 237
os_patch_level: 2025-06
- version: "android13-5.10"
sub_level: 236
os_patch_level: 2025-05
- version: "android13-5.15"
sub_level: 180
os_patch_level: 2025-05
- version: "android14-5.15"
sub_level: 180
os_patch_level: 2025-05
- version: "android14-6.1"
sub_level: 138
os_patch_level: 2025-06
- version: "android15-6.6"
sub_level: 89
os_patch_level: 2025-06
# uses: ./.github/workflows/gki-kernel-mock.yml when debugging
uses: ./.github/workflows/gki-kernel.yml
with:
kmi: ${{ matrix.kmi }}
ddk_release: '20251104'
version: ${{ matrix.version }}
version_name: ${{ matrix.version }}.${{ matrix.sub_level }}
tag: ${{ matrix.version }}-${{ matrix.os_patch_level }}
os_patch_level: ${{ matrix.os_patch_level }}
build_lkm: true
push-to-branch:
needs: [build-lkm]
runs-on: ubuntu-latest
if: ${{ inputs.upload }}
steps:
- name: Download all workflow run artifacts
uses: actions/download-artifact@v4
with:
path: bin/
merge-multiple: true
- name: Push to branch LKM
run: |
cd bin
git config --global init.defaultBranch lkm
git init
git remote add origin https://${{ secrets.TOKEN }}@github.com/${{ github.repository }}
git config --local user.name "github-actions[bot]"
git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
find . -type f
git add .
git commit -m "Upload LKM from ${{ github.sha }}" -m "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
git push --force --set-upstream origin lkm

View File

@@ -0,0 +1,252 @@
name: Build Manager Manual
on:
workflow_dispatch:
inputs:
build_lkm:
required: true
type: choice
default: "auto"
options:
- "true"
- "false"
- "auto"
description: "Whether to build lkm"
upload_lkm:
required: true
type: boolean
default: true
description: "Whether to upload lkm"
jobs:
check-build-lkm:
runs-on: self-hosted
outputs:
build_lkm: ${{ steps.check-build.outputs.build_lkm }}
upload_lkm: ${{ steps.check-build.outputs.upload_lkm }}
steps:
- name: check build
id: check-build
run: |
if [ "${{ github.event_name }}" == "workflow_dispatch" ] && [ "${{ inputs.build_lkm }}" != "auto" ]; then
kernel_changed="${{ inputs.build_lkm }}"
else
kernel_changed=true
mkdir tmp
cd tmp
git config --global init.defaultBranch bot
git config --global user.name 'Bot'
git config --global user.email 'bot@github.shirkneko.io'
git init .
git remote add origin https://github.com/${{ github.repository }}
CURRENT_COMMIT="${{ github.event.head_commit.id }}"
git fetch origin $CURRENT_COMMIT --depth=1
git fetch origin lkm --depth=1
LKM_COMMIT="$(git log --format=%B -n 1 origin/lkm | head -n 1)"
LKM_COMMIT="${LKM_COMMIT#Upload LKM from }"
LKM_COMMIT=$(echo "$LKM_COMMIT" | tr -d '[:space:]')
echo "LKM_COMMIT=$LKM_COMMIT"
git fetch origin "$LKM_COMMIT" --depth=1
git diff --quiet "$LKM_COMMIT" "$CURRENT_COMMIT" -- kernel :!kernel/setup.sh .github/workflows/build-lkm-local.yml .github/workflows/build-kernel-*.yml && kernel_changed=false
cd ..
rm -rf tmp
fi
if [ "${{ github.event_name }}" == "push" ] && [ "${{ github.ref }}" == 'refs/heads/main' ]; then
need_upload=true
elif [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
need_upload="${{ inputs.upload_lkm }}"
else
need_upload=false
fi
echo "kernel changed: $kernel_changed"
echo "need upload: $need_upload"
echo "build_lkm=$kernel_changed" >> "$GITHUB_OUTPUT"
echo "upload_lkm=$need_upload" >> "$GITHUB_OUTPUT"
build-lkm:
needs: check-build-lkm
uses: ./.github/workflows/build-lkm-local.yml
if: ${{ needs.check-build-lkm.outputs.build_lkm == 'true' }}
with:
upload: ${{ needs.check-build-lkm.outputs.upload_lkm == 'true' }}
secrets: inherit
build-susfs:
if: ${{ always() }}
needs: [ check-build-lkm, build-lkm ]
strategy:
matrix:
include:
- target: aarch64-linux-android
os: ubuntu-latest
uses: ./.github/workflows/susfs.yml
with:
target: ${{ matrix.target }}
os: ${{ matrix.os }}
build-kpmmgr:
if: ${{ always() }}
needs: [ check-build-lkm, build-lkm ]
strategy:
matrix:
include:
- target: aarch64-linux-android
os: ubuntu-latest
uses: ./.github/workflows/kpmmgr.yml
with:
target: ${{ matrix.target }}
os: ${{ matrix.os }}
build-ksud:
if: ${{ always() }}
needs: [ check-build-lkm, build-lkm ]
strategy:
matrix:
include:
- target: aarch64-linux-android
os: ubuntu-latest
- target: x86_64-linux-android
os: ubuntu-latest
- target: armv7-linux-androideabi
os: ubuntu-latest
uses: ./.github/workflows/ksud.yml
with:
target: ${{ matrix.target }}
os: ${{ matrix.os }}
pack_lkm: true
pull_lkm: ${{ needs.check-build-lkm.outputs.build_lkm != 'true' }}
build-manager:
if: ${{ always() }}
needs: build-ksud
runs-on: self-hosted
defaults:
run:
working-directory: ./manager
steps:
- name: Checkout
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Setup need_upload
id: need_upload
run: |
if [ ! -z "${{ secrets.BOT_TOKEN }}" ]; then
echo "UPLOAD=true" >> $GITHUB_OUTPUT
else
echo "UPLOAD=false" >> $GITHUB_OUTPUT
fi
- name: Write key
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref == 'refs/heads/susfs' || github.ref_type == 'tag' }}
run: |
if [ ! -z "${{ secrets.KEYSTORE }}" ]; then
{
echo KEYSTORE_PASSWORD='${{ secrets.KEYSTORE_PASSWORD }}'
echo KEY_ALIAS='${{ secrets.KEY_ALIAS }}'
echo KEY_PASSWORD='${{ secrets.KEY_PASSWORD }}'
echo KEYSTORE_FILE='key.jks'
} >> gradle.properties
echo "${{ secrets.KEYSTORE }}" | base64 -d > key.jks
fi
- name: Download arm64 susfs
uses: actions/download-artifact@v4
with:
name: susfs-aarch64-linux-android
path: .
- name: Download arm64 kpmmgr
uses: actions/download-artifact@v4
with:
name: kpmmgr-aarch64-linux-android
path: .
- name: Download arm64 ksud
uses: actions/download-artifact@v4
with:
name: ksud-aarch64-linux-android
path: .
- name: Download x86_64 ksud
uses: actions/download-artifact@v4
with:
name: ksud-x86_64-linux-android
path: .
- name: Download arm ksud
uses: actions/download-artifact@v4
with:
name: ksud-armv7-linux-androideabi
path: .
- name: Copy ksud to app jniLibs
run: |
mkdir -p app/src/main/jniLibs/arm64-v8a
mkdir -p app/src/main/jniLibs/x86_64
mkdir -p app/src/main/jniLibs/armeabi-v7a
cp -f ../aarch64-linux-android/release/zakozako ../manager/app/src/main/jniLibs/arm64-v8a/libzakozako.so
cp -f ../x86_64-linux-android/release/zakozako ../manager/app/src/main/jniLibs/x86_64/libzakozako.so
cp -f ../armv7-linux-androideabi/release/zakozako ../manager/app/src/main/jniLibs/armeabi-v7a/libzakozako.so
- name: Copy kpmmgr to app jniLibs
run: |
mkdir -p app/src/main/jniLibs/arm64-v8a
cp -f ../arm64-v8a/kpmmgr ../manager/app/src/main/jniLibs/arm64-v8a/libkpmmgr.so
- name: Copy susfs to app jniLibs
run: |
mkdir -p app/src/main/jniLibs/arm64-v8a
cp -f ../arm64-v8a/zakozakozako ../manager/app/src/main/jniLibs/arm64-v8a/libzakozakozako.so
- name: Build with Gradle
run: |
export ANDROID_HOME=/root/.android/sdk
export PATH=$ANDROID_HOME/platform-tools:$ANDROID_HOME/tools:$ANDROID_HOME/tools/bin:$PATH
{
echo 'org.gradle.parallel=true'
echo 'org.gradle.vfs.watch=true'
echo 'org.gradle.jvmargs=-Xmx2048m'
echo 'android.native.buildOutput=verbose'
} >> gradle.properties
sed -i 's/org.gradle.configuration-cache=true//g' gradle.properties
./gradlew clean assembleRelease
- name: Upload build artifact
uses: actions/upload-artifact@v4
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' }}
with:
name: manager
path: manager/app/build/outputs/apk/release/*.apk
- name: Upload mappings
uses: actions/upload-artifact@v4
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' }}
with:
name: "mappings"
path: "manager/app/build/outputs/mapping/release/"
- name: Bot session cache
if: github.event_name != 'pull_request' && steps.need_upload.outputs.UPLOAD == 'true'
id: bot_session_cache
uses: actions/cache@v4
with:
path: scripts/ksubot.session
key: ${{ runner.os }}-bot-session
- name: Upload to telegram
if: github.event_name != 'pull_request' && steps.need_upload.outputs.UPLOAD == 'true'
env:
CHAT_ID: ${{ vars.CHAT_ID }}
BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
MESSAGE_THREAD_ID: ${{ vars.MESSAGE_THREAD_ID }}
COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
COMMIT_URL: ${{ github.event.head_commit.url }}
RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
TITLE: Manager
run: |
if [ ! -z "${{ secrets.BOT_TOKEN }}" ]; then
export VERSION=$(git rev-list --count HEAD)
APK=$(find ./app/build/outputs/apk/release -name "*.apk")
python3 $GITHUB_WORKSPACE/scripts/ksubot.py $APK
fi

View File

@@ -2,43 +2,116 @@ name: Build Manager
on:
push:
branches: [ "main", "dev", "ci", "miuix" ]
branches: [ "main", "ci" ]
paths:
- '.github/workflows/build-manager.yml'
- '.github/workflows/build-lkm.yml'
- 'manager/**'
- 'kernel/**'
- 'userspace/ksud/**'
- 'userspace/user_scanner/**'
- 'userspace/susfs/**'
- 'userspace/kpmmgr/**'
pull_request:
branches: [ "main", "dev", "miuix" ]
branches: [ "main" ]
paths:
- '.github/workflows/build-manager.yml'
- '.github/workflows/build-lkm.yml'
- 'manager/**'
- 'kernel/**'
- 'userspace/ksud/**'
- 'userspace/user_scanner/**'
workflow_call:
workflow_dispatch:
inputs:
build_lkm:
required: true
type: choice
default: "auto"
options:
- "true"
- "false"
- "auto"
description: "Whether to build lkm"
upload_lkm:
required: true
type: boolean
default: true
description: "Whether to upload lkm"
jobs:
check-build-lkm:
runs-on: ubuntu-latest
outputs:
build_lkm: ${{ steps.check-build.outputs.build_lkm }}
upload_lkm: ${{ steps.check-build.outputs.upload_lkm }}
steps:
- name: check build
id: check-build
run: |
if [ "${{ github.event_name }}" == "workflow_dispatch" ] && [ "${{ inputs.build_lkm }}" != "auto" ]; then
kernel_changed="${{ inputs.build_lkm }}"
else
kernel_changed=true
mkdir tmp
cd tmp
git config --global init.defaultBranch bot
git config --global user.name 'Bot'
git config --global user.email 'bot@github.shirkneko.io'
git init .
git remote add origin https://github.com/${{ github.repository }}
CURRENT_COMMIT="${{ github.event.head_commit.id }}"
git fetch origin $CURRENT_COMMIT --depth=1
git fetch origin lkm --depth=1
LKM_COMMIT="$(git log --format=%B -n 1 origin/lkm | head -n 1)"
LKM_COMMIT="${LKM_COMMIT#Upload LKM from }"
LKM_COMMIT=$(echo "$LKM_COMMIT" | tr -d '[:space:]')
echo "LKM_COMMIT=$LKM_COMMIT"
git fetch origin "$LKM_COMMIT" --depth=1
git diff --quiet "$LKM_COMMIT" "$CURRENT_COMMIT" -- kernel :!kernel/setup.sh .github/workflows/build-lkm.yml .github/workflows/build-kernel-*.yml && kernel_changed=false
cd ..
rm -rf tmp
fi
if [ "${{ github.event_name }}" == "push" ] && [ "${{ github.ref }}" == 'refs/heads/main' ]; then
need_upload=true
elif [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
need_upload="${{ inputs.upload_lkm }}"
else
need_upload=false
fi
echo "kernel changed: $kernel_changed"
echo "need upload: $need_upload"
echo "build_lkm=$kernel_changed" >> "$GITHUB_OUTPUT"
echo "upload_lkm=$need_upload" >> "$GITHUB_OUTPUT"
build-lkm:
needs: check-build-lkm
uses: ./.github/workflows/build-lkm.yml
if: ${{ needs.check-build-lkm.outputs.build_lkm == 'true' }}
with:
upload: ${{ needs.check-build-lkm.outputs.upload_lkm == 'true' }}
secrets: inherit
build-user_scanner:
needs: build-lkm
build-susfs:
if: ${{ always() }}
needs: [ check-build-lkm, build-lkm ]
strategy:
matrix:
include:
- target: All-linux-android
- target: aarch64-linux-android
os: ubuntu-latest
uses: ./.github/workflows/user_scanner.yml
uses: ./.github/workflows/susfs.yml
with:
target: ${{ matrix.target }}
os: ${{ matrix.os }}
build-kpmmgr:
if: ${{ always() }}
needs: [ check-build-lkm, build-lkm ]
strategy:
matrix:
include:
- target: aarch64-linux-android
os: ubuntu-latest
uses: ./.github/workflows/kpmmgr.yml
with:
target: ${{ matrix.target }}
os: ${{ matrix.os }}
build-ksud:
needs: build-lkm
if: ${{ always() }}
needs: [ check-build-lkm, build-lkm ]
strategy:
matrix:
include:
@@ -52,13 +125,13 @@ jobs:
with:
target: ${{ matrix.target }}
os: ${{ matrix.os }}
pack_lkm: true
pull_lkm: ${{ needs.check-build-lkm.outputs.build_lkm != 'true' }}
build-manager:
if: ${{ always() }}
needs: build-ksud
runs-on: ubuntu-latest
strategy:
matrix:
spoofed: ["true","false"]
defaults:
run:
working-directory: ./manager
@@ -78,34 +151,8 @@ jobs:
echo "UPLOAD=false" >> $GITHUB_OUTPUT
fi
- name: Determine manager variant for telegram bot
id: determine
run: |
if [ "${{ github.ref_name }}" == "miuix" ] && [ "${{ matrix.spoofed }}" == "true" ]; then
echo "SKIP=true" >> $GITHUB_OUTPUT
exit 0
fi
if [ "${{ github.ref_name }}" == "miuix" ]; then
echo "title=Manager" >> $GITHUB_OUTPUT
echo "topicid=${{ vars.MESSAGE_MIUIX_THREAD_ID }}" >> $GITHUB_OUTPUT
elif [ "${{ matrix.spoofed }}" == "true" ]; then
echo "title=Spoofed-Manager" >> $GITHUB_OUTPUT
# maybe need a new var
echo "topicid=${{ vars.MESSAGE_SPOOFED_THREAD_ID }}" >> $GITHUB_OUTPUT
else
echo "title=Manager" >> $GITHUB_OUTPUT
echo "topicid=${{ vars.MESSAGE_THREAD_ID }}" >> $GITHUB_OUTPUT
fi
- name: Run randomizer
if: ${{ matrix.spoofed == 'true' && steps.determine.outputs.SKIP != 'true' }}
run: |
chmod +x randomizer
./randomizer
- name: Write key
if: ${{ ( github.event_name != 'pull_request' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev' )) || github.ref_type == 'tag' }}
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref == 'refs/heads/susfs' || github.ref_type == 'tag' }}
run: |
if [ ! -z "${{ secrets.KEYSTORE }}" ]; then
{
@@ -129,10 +176,16 @@ jobs:
- name: Setup Android SDK
uses: android-actions/setup-android@v3
- name: Download all userscanner artifacts
- name: Download arm64 susfs
uses: actions/download-artifact@v4
with:
name: userscanner-all-linux-android
name: susfs-aarch64-linux-android
path: .
- name: Download arm64 kpmmgr
uses: actions/download-artifact@v4
with:
name: kpmmgr-aarch64-linux-android
path: .
- name: Download arm64 ksud
@@ -158,48 +211,62 @@ jobs:
mkdir -p app/src/main/jniLibs/arm64-v8a
mkdir -p app/src/main/jniLibs/x86_64
mkdir -p app/src/main/jniLibs/armeabi-v7a
cp -f ../aarch64-linux-android/release/ksud ../manager/app/src/main/jniLibs/arm64-v8a/libksud.so
cp -f ../x86_64-linux-android/release/ksud ../manager/app/src/main/jniLibs/x86_64/libksud.so
cp -f ../armv7-linux-androideabi/release/ksud ../manager/app/src/main/jniLibs/armeabi-v7a/libksud.so
cp -f ../aarch64-linux-android/release/zakozako ../manager/app/src/main/jniLibs/arm64-v8a/libzakozako.so
cp -f ../x86_64-linux-android/release/zakozako ../manager/app/src/main/jniLibs/x86_64/libzakozako.so
cp -f ../armv7-linux-androideabi/release/zakozako ../manager/app/src/main/jniLibs/armeabi-v7a/libzakozako.so
- name: Copy user_scanner to app jniLibs
- name: Copy kpmmgr to app jniLibs
run: |
mkdir -p app/src/main/jniLibs/arm64-v8a
mkdir -p app/src/main/jniLibs/x86_64
mkdir -p app/src/main/jniLibs/armeabi-v7a
cp -f ../arm64-v8a/uid_scanner ../manager/app/src/main/jniLibs/arm64-v8a/libuid_scanner.so
cp -f ../x86_64/uid_scanner ../manager/app/src/main/jniLibs/x86_64/libuid_scanner.so
cp -f ../armeabi-v7a/uid_scanner ../manager/app/src/main/jniLibs/armeabi-v7a/libuid_scanner.so
cp -f ../arm64-v8a/kpmmgr ../manager/app/src/main/jniLibs/arm64-v8a/libkpmmgr.so
- name: Copy susfs to app jniLibs
run: |
mkdir -p app/src/main/jniLibs/arm64-v8a
cp -f ../arm64-v8a/zakozakozako ../manager/app/src/main/jniLibs/arm64-v8a/libzakozakozako.so
- name: Build with Gradle
if: ${{ steps.determine.outputs.SKIP != 'true' }}
run: ./gradlew clean assembleRelease
run: |
{
echo 'org.gradle.parallel=true'
echo 'org.gradle.vfs.watch=true'
echo 'org.gradle.jvmargs=-Xmx2048m'
echo 'android.native.buildOutput=verbose'
} >> gradle.properties
sed -i 's/org.gradle.configuration-cache=true//g' gradle.properties
./gradlew clean assembleRelease
- name: Upload build artifact
uses: actions/upload-artifact@v4
if: ${{ ( github.event_name != 'pull_request' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev' )) || github.ref_type == 'tag' }}
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' }}
with:
name: ${{ steps.determine.outputs.title }}
name: manager
path: manager/app/build/outputs/apk/release/*.apk
- name: Upload mappings
uses: actions/upload-artifact@v4
if: ${{ ( github.event_name != 'pull_request' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev' )) || github.ref_type == 'tag' }}
if: ${{ ( github.event_name != 'pull_request' && github.ref == 'refs/heads/main' ) || github.ref_type == 'tag' }}
with:
name: "${{ steps.determine.outputs.title }}-mappings"
name: "mappings"
path: "manager/app/build/outputs/mapping/release/"
- name: Bot session cache
if: github.event_name != 'pull_request' && steps.need_upload.outputs.UPLOAD == 'true'
id: bot_session_cache
uses: actions/cache@v4
with:
path: scripts/ksubot.session
key: ${{ runner.os }}-bot-session
- name: Upload to telegram
if: github.event_name != 'pull_request' && steps.need_upload.outputs.UPLOAD == 'true' && steps.determine.outputs.SKIP != 'true'
if: github.event_name != 'pull_request' && steps.need_upload.outputs.UPLOAD == 'true'
env:
CHAT_ID: ${{ vars.CHAT_ID }}
BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
MESSAGE_THREAD_ID: ${{ steps.determine.outputs.topicid }}
MESSAGE_THREAD_ID: ${{ vars.MESSAGE_THREAD_ID }}
COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
COMMIT_URL: ${{ github.event.head_commit.url }}
RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
TITLE: ${{ steps.determine.outputs.title }}
BRANCH: ${{ github.ref_name }}
TITLE: Manager
run: |
if [ ! -z "${{ secrets.BOT_TOKEN }}" ]; then
export VERSION=$(git rev-list --count HEAD)

View File

@@ -1,53 +0,0 @@
name: Build KernelSU Kernel Module
on:
workflow_call:
inputs:
kmi:
description: 'KMI version'
required: true
type: string
ddk_release:
description: 'DDK release version'
required: false
default: '20251104'
type: string
jobs:
build-kernelsu-ko:
name: Build kernelsu.ko for ${{ inputs.kmi }}
runs-on: ubuntu-latest
container:
image: ghcr.io/ylarod/ddk:${{ inputs.kmi }}-${{ inputs.ddk_release }}
options: --privileged
steps:
- name: Checkout source code
uses: actions/checkout@v4
- name: Build kernelsu.ko
run: |
git config --global --add safe.directory /__w/SukiSU-Ultra/SukiSU-Ultra
cd kernel
echo "=== Building kernelsu.ko for KMI: ${{ inputs.kmi }} ==="
CONFIG_KSU=m CONFIG_KSU_MANUAL_SU=y make
echo "=== Build completed ==="
# Create output directory in GitHub workspace
mkdir -p /github/workspace/out
# Copy with KMI-specific naming
OUTPUT_NAME="${{ inputs.kmi }}_kernelsu.ko"
cp kernelsu.ko "/github/workspace/out/$OUTPUT_NAME"
echo "Copied to: /github/workspace/out/$OUTPUT_NAME"
ls -la "/github/workspace/out/$OUTPUT_NAME"
echo "Size: $(du -h "/github/workspace/out/$OUTPUT_NAME" | cut -f1)"
llvm-strip -d "/github/workspace/out/$OUTPUT_NAME"
echo "Size after stripping: $(du -h "/github/workspace/out/$OUTPUT_NAME" | cut -f1)"
- name: Upload kernelsu.ko artifact
uses: actions/upload-artifact@v4
with:
name: ${{ inputs.kmi }}-lkm
path: /github/workspace/out/${{ inputs.kmi }}_kernelsu.ko

252
.github/workflows/gki-kernel-local.yml vendored Normal file
View File

@@ -0,0 +1,252 @@
name: GKI Kernel Build Local
on:
workflow_call:
inputs:
version:
required: true
type: string
description: >
Output directory of gki,
for example: android12-5.10
version_name:
required: true
type: string
description: >
With SUBLEVEL of kernel,
for example: android12-5.10.66
tag:
required: true
type: string
description: >
Part of branch name of common kernel manifest,
for example: android12-5.10-2021-11
os_patch_level:
required: false
type: string
description: >
Patch level of common kernel manifest,
for example: 2021-11
default: 2022-05
patch_path:
required: false
type: string
description: >
Directory name of .github/patches/<patch_path>
for example: 5.10
use_cache:
required: false
type: boolean
default: true
embed_ksud:
required: false
type: string
default: ksud-aarch64-linux-android
description: >
Artifact name of prebuilt ksud to be embedded
for example: ksud-aarch64-linux-android
debug:
required: false
type: boolean
default: false
build_lkm:
required: false
type: boolean
default: false
secrets:
BOOT_SIGN_KEY:
required: false
CHAT_ID:
required: false
BOT_TOKEN:
required: false
MESSAGE_THREAD_ID:
required: false
jobs:
build:
name: Build ${{ inputs.version_name }}
runs-on: self-hosted
env:
CCACHE_COMPILERCHECK: "%compiler% -dumpmachine; %compiler% -dumpversion"
CCACHE_NOHASHDIR: "true"
CCACHE_HARDLINK: "true"
steps:
- uses: actions/checkout@v4
with:
path: KernelSU
fetch-depth: 0
- name: Setup need_upload
id: need_upload
run: |
if [ ! -z "${{ secrets.BOT_TOKEN }}" ]; then
echo "UPLOAD=true" >> $GITHUB_OUTPUT
else
echo "UPLOAD=false" >> $GITHUB_OUTPUT
fi
- name: Setup kernel source
run: |
echo "Free space:"
df -h
cd $GITHUB_WORKSPACE
sudo apt-get install repo -y
export REPO_URL='https://mirrors.tuna.tsinghua.edu.cn/git/git-repo'
mkdir android-kernel && cd android-kernel
repo init --depth=1 --u https://mirrors.tuna.tsinghua.edu.cn/git/AOSP/kernel/manifest -b common-${{ inputs.tag }} --repo-rev=v2.35
REMOTE_BRANCH=$(git ls-remote https://mirrors.tuna.tsinghua.edu.cn/git/AOSP/kernel/common ${{ inputs.tag }})
DEFAULT_MANIFEST_PATH=.repo/manifests/default.xml
if grep -q deprecated <<< $REMOTE_BRANCH; then
echo "Found deprecated branch: ${{ inputs.tag }}"
sed -i 's/"${{ inputs.tag }}"/"deprecated\/${{ inputs.tag }}"/g' $DEFAULT_MANIFEST_PATH
cat $DEFAULT_MANIFEST_PATH
fi
repo --version
repo --trace sync -c -j$(nproc --all) --no-tags
df -h
- name: Setup KernelSU
env:
PATCH_PATH: ${{ inputs.patch_path }}
IS_DEBUG_KERNEL: ${{ inputs.debug }}
run: |
cd $GITHUB_WORKSPACE/android-kernel
echo "[+] KernelSU setup"
GKI_ROOT=$(pwd)
echo "[+] GKI_ROOT: $GKI_ROOT"
echo "[+] Copy KernelSU driver to $GKI_ROOT/common/drivers"
ln -sf $GITHUB_WORKSPACE/KernelSU/kernel $GKI_ROOT/common/drivers/kernelsu
echo "[+] Add KernelSU driver to Makefile"
DRIVER_MAKEFILE=$GKI_ROOT/common/drivers/Makefile
DRIVER_KCONFIG=$GKI_ROOT/common/drivers/Kconfig
grep -q "kernelsu" "$DRIVER_MAKEFILE" || printf "\nobj-\$(CONFIG_KSU) += kernelsu/\n" >> "$DRIVER_MAKEFILE"
grep -q "kernelsu" "$DRIVER_KCONFIG" || sed -i "/endmenu/i\\source \"drivers/kernelsu/Kconfig\"" "$DRIVER_KCONFIG"
echo "[+] Apply Compilation Patches"
if [ ! -e build/build.sh ]; then
GLIBC_VERSION=$(ldd --version 2>/dev/null | head -n 1 | awk '{print $NF}')
echo "GLIBC_VERSION: $GLIBC_VERSION"
if [ "$(printf '%s\n' "2.38" "$GLIBC_VERSION" | sort -V | head -n1)" = "2.38" ]; then
echo "Patching resolve_btfids/Makefile"
cd $GKI_ROOT/common/ && sed -i '/\$(Q)\$(MAKE) -C \$(SUBCMD_SRC) OUTPUT=\$(abspath \$(dir \$@))\/ \$(abspath \$@)/s//$(Q)$(MAKE) -C $(SUBCMD_SRC) EXTRA_CFLAGS="$(CFLAGS)" OUTPUT=$(abspath $(dir $@))\/ $(abspath $@)/' tools/bpf/resolve_btfids/Makefile || echo "No patch needed."
fi
fi
if [ "$IS_DEBUG_KERNEL" = "true" ]; then
echo "[+] Enable debug features for kernel"
printf "\nccflags-y += -DCONFIG_KSU_DEBUG\n" >> $GITHUB_WORKSPACE/KernelSU/kernel/Makefile
fi
repo status
echo "[+] KernelSU setup done."
- name: Symbol magic
run: |
echo "[+] Export all symbol from abi_gki_aarch64.xml"
COMMON_ROOT=$GITHUB_WORKSPACE/android-kernel/common
KSU_ROOT=$GITHUB_WORKSPACE/KernelSU
ABI_XML=$COMMON_ROOT/android/abi_gki_aarch64.xml
SYMBOL_LIST=$COMMON_ROOT/android/abi_gki_aarch64
# python3 $KSU_ROOT/scripts/abi_gki_all.py $ABI_XML > $SYMBOL_LIST
echo "[+] Add KernelSU symbols"
cat $KSU_ROOT/kernel/export_symbol.txt | awk '{sub("[ \t]+","");print " "$0}' >> $SYMBOL_LIST
- name: Setup ccache
if: inputs.use_cache == true
uses: hendrikmuhs/ccache-action@v1
with:
key: gki-kernel-aarch64-${{ inputs.version_name }}
max-size: 2G
save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
- name: Setup for LKM
if: ${{ inputs.build_lkm == true }}
working-directory: android-kernel
run: |
pip install ast-grep-cli
sudo apt-get install llvm-15 -y
ast-grep -U -p '$$$ check_exports($$$) {$$$}' -r '' common/scripts/mod/modpost.c
ast-grep -U -p 'check_exports($$$);' -r '' common/scripts/mod/modpost.c
sed -i '/config KSU/,/help/{s/default y/default m/}' common/drivers/kernelsu/Kconfig
echo "drivers/kernelsu/kernelsu.ko" >> common/android/gki_aarch64_modules
# bazel build, android14-5.15, android14-6.1 use bazel
if [ ! -e build/build.sh ]; then
sed -i 's/needs unknown symbol/Dont abort when unknown symbol/g' build/kernel/*.sh || echo "No unknown symbol scripts found"
if [ -e common/modules.bzl ]; then
sed -i 's/_COMMON_GKI_MODULES_LIST = \[/_COMMON_GKI_MODULES_LIST = \[ "drivers\/kernelsu\/kernelsu.ko",/g' common/modules.bzl
fi
else
TARGET_FILE="build/kernel/build.sh"
if [ ! -e "$TARGET_FILE" ]; then
TARGET_FILE="build/build.sh"
fi
sed -i 's/needs unknown symbol/Dont abort when unknown symbol/g' $TARGET_FILE || echo "No unknown symbol in $TARGET_FILE"
sed -i 's/if ! diff -u "\${KERNEL_DIR}\/\${MODULES_ORDER}" "\${OUT_DIR}\/modules\.order"; then/if false; then/g' $TARGET_FILE
sed -i 's@${ROOT_DIR}/build/abi/compare_to_symbol_list@echo@g' $TARGET_FILE
sed -i 's/needs unknown symbol/Dont abort when unknown symbol/g' build/kernel/*.sh || echo "No unknown symbol scripts found"
fi
- name: Make working directory clean to avoid dirty
working-directory: android-kernel
run: |
if [ -e common/BUILD.bazel ]; then
sed -i '/^[[:space:]]*"protected_exports_list"[[:space:]]*:[[:space:]]*"android\/abi_gki_protected_exports_aarch64",$/d' common/BUILD.bazel
fi
rm common/android/abi_gki_protected_exports_* || echo "No protected exports!"
git config --global user.email "bot@kernelsu.org"
git config --global user.name "KernelSUBot"
cd common/ && git add -A && git commit -a -m "Add KernelSU"
repo status
- name: Build Kernel/LKM
working-directory: android-kernel
run: |
if [ ! -z ${{ vars.EXPECTED_SIZE }} ] && [ ! -z ${{ vars.EXPECTED_HASH }} ]; then
export KSU_EXPECTED_SIZE=${{ vars.EXPECTED_SIZE }}
export KSU_EXPECTED_HASH=${{ vars.EXPECTED_HASH }}
fi
if [ -e build/build.sh ]; then
LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh CC="/usr/bin/ccache clang"
else
tools/bazel run --disk_cache=/home/runner/.cache/bazel --config=fast --config=stamp --lto=thin //common:kernel_aarch64_dist -- --dist_dir=dist
fi
- name: Prepare artifacts
id: prepareArtifacts
run: |
OUTDIR=android-kernel/out/${{ inputs.version }}/dist
if [ ! -e $OUTDIR ]; then
OUTDIR=android-kernel/dist
fi
mkdir output
if [ "${{ inputs.build_lkm}}" = "true" ]; then
llvm-strip-15 -d $OUTDIR/kernelsu.ko
mv $OUTDIR/kernelsu.ko ./output/${{ inputs.version }}_kernelsu.ko
else
cp $OUTDIR/Image ./output/
cp $OUTDIR/Image.lz4 ./output/
git clone https://github.com/Kernel-SU/AnyKernel3
rm -rf ./AnyKernel3/.git
cp $OUTDIR/Image ./AnyKernel3/
fi
- name: Upload Image and Image.gz
uses: actions/upload-artifact@v4
if: ${{ inputs.build_lkm == false }}
with:
name: Image-${{ inputs.version_name }}_${{ inputs.os_patch_level }}
path: ./output/*
- name: Upload AnyKernel3
if: ${{ inputs.build_lkm == false }}
uses: actions/upload-artifact@v4
with:
name: AnyKernel3-${{ inputs.version_name }}_${{ inputs.os_patch_level }}
path: ./AnyKernel3/*
- name: Upload LKM
uses: actions/upload-artifact@v4
if: ${{ inputs.build_lkm == true }}
with:
name: ${{ inputs.version }}-lkm
path: ./output/*_kernelsu.ko

79
.github/workflows/gki-kernel-mock.yml vendored Normal file
View File

@@ -0,0 +1,79 @@
name: GKI Kernel Build
on:
workflow_call:
inputs:
version:
required: true
type: string
description: >
Output directory of gki,
for example: android12-5.10
version_name:
required: true
type: string
description: >
With SUBLEVEL of kernel,
for example: android12-5.10.66
tag:
required: true
type: string
description: >
Part of branch name of common kernel manifest,
for example: android12-5.10-2021-11
os_patch_level:
required: false
type: string
description: >
Patch level of common kernel manifest,
for example: 2021-11
default: 2022-05
patch_path:
required: false
type: string
description: >
Directory name of .github/patches/<patch_path>
for example: 5.10
use_cache:
required: false
type: boolean
default: true
embed_ksud:
required: false
type: string
default: ksud-aarch64-linux-android
description: >
Artifact name of prebuilt ksud to be embedded
for example: ksud-aarch64-linux-android
debug:
required: false
type: boolean
default: false
build_lkm:
required: false
type: boolean
default: false
secrets:
BOOT_SIGN_KEY:
required: false
CHAT_ID:
required: false
BOT_TOKEN:
required: false
MESSAGE_THREAD_ID:
required: false
jobs:
mock_build:
name: Mock build ${{ inputs.version_name }}
runs-on: ubuntu-latest
steps:
- name: Create mocking ko
run: |
echo "${{ inputs.version }}_kernelsu.ko" > ${{ inputs.version }}_kernelsu.ko
- name: Upload LKM
uses: actions/upload-artifact@v4
if: ${{ inputs.build_lkm == true }}
with:
name: ${{ inputs.version }}-lkm
path: ./*_kernelsu.ko

View File

@@ -77,10 +77,10 @@ jobs:
with:
root-reserve-mb: 8192
temp-reserve-mb: 2048
remove-dotnet: "true"
remove-android: "true"
remove-haskell: "true"
remove-codeql: "true"
remove-dotnet: 'true'
remove-android: 'true'
remove-haskell: 'true'
remove-codeql: 'true'
- uses: actions/checkout@v4
with:
@@ -103,7 +103,7 @@ jobs:
cd $GITHUB_WORKSPACE
sudo apt-get install repo -y
mkdir android-kernel && cd android-kernel
repo init --depth=1 --u https://android.googlesource.com/kernel/manifest -b common-${{ inputs.tag }} --repo-rev=v2.16
repo init --depth=1 --u https://android.googlesource.com/kernel/manifest -b common-${{ inputs.tag }} --repo-rev=v2.35
REMOTE_BRANCH=$(git ls-remote https://android.googlesource.com/kernel/common ${{ inputs.tag }})
DEFAULT_MANIFEST_PATH=.repo/manifests/default.xml
if grep -q deprecated <<< $REMOTE_BRANCH; then
@@ -195,35 +195,12 @@ jobs:
sed -i 's/needs unknown symbol/Dont abort when unknown symbol/g' build/kernel/*.sh || echo "No unknown symbol scripts found"
fi
- name: Append ashmem exports if missing
if: startsWith(inputs.version, 'android16-6.12')
working-directory: android-kernel
run: |
FILE=common/drivers/staging/android/ashmem.c
if [[ -f "$FILE" ]] && ! grep -q 'is_ashmem_file' "$FILE"; then
cat >>"$FILE" <<'EOF'
bool is_ashmem_file(struct file *file) { return false; }
int ashmem_area_name(struct file *file, char *name) { return 0; }
long ashmem_area_size(struct file *file) { return 0; }
struct file *ashmem_area_vmfile(struct file *file) { return NULL; }
EXPORT_SYMBOL_GPL(is_ashmem_file);
EXPORT_SYMBOL_GPL(ashmem_area_name);
EXPORT_SYMBOL_GPL(ashmem_area_size);
EXPORT_SYMBOL_GPL(ashmem_area_vmfile);
EOF
fi
sed -i -E 's/\$\(CONFIG_ANDROID_BINDER_IPC_RUST\)/m/g' common/drivers/android/Makefile
- name: Make working directory clean to avoid dirty
working-directory: android-kernel
run: |
# Fix bazel build error
if [ -f common/BUILD.bazel ]; then
[ -f android/abi_gki_protected_exports_aarch64 ] || sed -i '/^[[:space:]]*"protected_exports_list"[[:space:]]*:[[:space:]]*"android\/abi_gki_protected_exports_aarch64",$/d' common/BUILD.bazel
if [ -e common/BUILD.bazel ]; then
sed -i '/^[[:space:]]*"protected_exports_list"[[:space:]]*:[[:space:]]*"android\/abi_gki_protected_exports_aarch64",$/d' common/BUILD.bazel
fi
rm common/android/abi_gki_protected_exports_* || echo "No protected exports!"
git config --global user.email "bot@kernelsu.org"
git config --global user.name "KernelSUBot"
@@ -240,11 +217,7 @@ jobs:
if [ -e build/build.sh ]; then
LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh CC="/usr/bin/ccache clang"
else
if [ "${{ inputs.version }}" == "android16-6.12" ]; then
tools/bazel run --disk_cache=/home/runner/.cache/bazel --config=fast --config=stamp --lto=thin //common:kernel_aarch64_dist -- --destdir=dist
else
tools/bazel run --disk_cache=/home/runner/.cache/bazel --config=fast --config=stamp --lto=thin //common:kernel_aarch64_dist -- --dist_dir=dist
fi
tools/bazel run --disk_cache=/home/runner/.cache/bazel --config=fast --config=stamp --lto=thin //common:kernel_aarch64_dist -- --dist_dir=dist
fi
- name: Prepare artifacts

View File

@@ -1,11 +1,11 @@
name: Build user_scanner
name: Build kpmmgr
on:
push:
branches: [ "mian" ]
paths:
- '.github/workflows/user_scanner.yml'
- 'userspace/user_scanner/**'
- '.github/workflows/kpmmgr.yml'
- 'userspace/kpmmgr/**'
workflow_dispatch:
workflow_call:
inputs:
@@ -18,8 +18,8 @@ on:
default: self-hosted
jobs:
build-user_scanner:
name: Build userspace user_scanner
build-susfs:
name: Build userspace kpmmgr
runs-on: ubuntu-latest
steps:
@@ -28,13 +28,13 @@ jobs:
with:
fetch-depth: 0
- name: Build user_scanner
working-directory: ./userspace/user_scanner
- name: Build kpmmgr
working-directory: ./userspace/kpmmgr
run: |
$ANDROID_NDK_HOME/ndk-build
- name: Upload a Build Artifact
uses: actions/upload-artifact@v4
with:
name: userscanner-all-linux-android
path: ./userspace/user_scanner/libs
name: kpmmgr-aarch64-linux-android
path: ./userspace/kpmmgr/libs

View File

@@ -9,6 +9,10 @@ on:
required: false
type: string
default: ubuntu-latest
pull_lkm:
required: false
type: boolean
default: true
pack_lkm:
required: false
type: boolean
@@ -17,8 +21,6 @@ on:
required: false
type: boolean
default: true
env:
CARGO_TERM_COLOR: always
jobs:
build:
runs-on: ${{ inputs.os }}
@@ -27,11 +29,24 @@ jobs:
with:
fetch-depth: 0
- name: Download artifacts
- name: Pull lkms from branch
if: ${{ inputs.pack_lkm && inputs.pull_lkm }}
uses: actions/checkout@v4
with:
ref: lkm
path: lkm
- name: Download lkms from artifacts
if: ${{ inputs.pack_lkm && !inputs.pull_lkm }}
uses: actions/download-artifact@v4
- name: Prepare LKM fies
if: ${{ inputs.pack_lkm }}
- name: Prepare LKM files
if: ${{ inputs.pack_lkm && inputs.pull_lkm }}
run: |
cp lkm/*_kernelsu.ko ./userspace/ksud/bin/aarch64/
- name: Prepare LKM files
if: ${{ inputs.pack_lkm && !inputs.pull_lkm }}
run: |
cp android*-lkm/*_kernelsu.ko ./userspace/ksud/bin/aarch64/
@@ -40,6 +55,10 @@ jobs:
rustup update stable
rustup target add x86_64-apple-darwin
rustup target add aarch64-apple-darwin
- uses: Swatinem/rust-cache@v2
with:
workspaces: userspace/ksud
cache-targets: false
- name: Install cross
run: |
@@ -52,4 +71,4 @@ jobs:
uses: actions/upload-artifact@v4
with:
name: ksud-${{ inputs.target }}
path: userspace/ksud/target/**/release/ksud*
path: userspace/ksud/target/**/release/zakozako*

View File

@@ -1,65 +0,0 @@
name: Notify
on:
push:
branches:
- main
- 'release/**'
paths-ignore:
- 'docs/**'
- '*.md'
pull_request:
types:
- opened
- reopened
- synchronize
branches:
- main
defaults:
run:
working-directory: ts
jobs:
notify:
runs-on: ubuntu-latest
concurrency:
group: notify-telegram-${{ github.ref }}
cancel-in-progress: true
steps:
- name: Checkout repository with sparse-checkout
uses: actions/checkout@v5
with:
fetch-depth: 1
sparse-checkout: |
ts/**
sparse-checkout-cone-mode: false
- name: Setup Bun runtime
uses: oven-sh/setup-bun@v2
with:
bun-version: latest
- name: Cache Bun modules
uses: actions/cache@v4
with:
path: |
~/.bun
ts/.node_modules
key: ${{ runner.os }}-bun-${{ hashFiles('ts/bun.lock') }}
restore-keys: |
${{ runner.os }}-bun-
- name: Install dependencies
run: bun install --cache
- name: Run telegram bot script
env:
BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
TELEGRAM_GROUP_ID: ${{ secrets.TELEGRAM_GROUP_ID }}
TELEGRAM_TOPIC_COMMITS: ${{ secrets.TELEGRAM_TOPIC_COMMITS }}
TELEGRAM_TOPIC_PRS: ${{ secrets.TELEGRAM_TOPIC_PRS }}
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
GITHUB_EVENT_PATH: ${{ github.event_path }}
run: bun run send.ts

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@@ -16,7 +16,7 @@ on:
jobs:
shellcheck:
runs-on: ubuntu-latest
runs-on: self-hosted
steps:
- uses: actions/checkout@v4

40
.github/workflows/susfs.yml vendored Normal file
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@@ -0,0 +1,40 @@
name: Build susfs
on:
push:
branches: [ "mian" ]
paths:
- '.github/workflows/susfs.yml'
- 'userspace/susfs/**'
workflow_dispatch:
workflow_call:
inputs:
target:
required: true
type: string
os:
required: false
type: string
default: self-hosted
jobs:
build-susfs:
name: Build userspace susfs
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Build susfs
working-directory: ./userspace/susfs
run: |
$ANDROID_NDK_HOME/ndk-build
- name: Upload a Build Artifact
uses: actions/upload-artifact@v4
with:
name: susfs-aarch64-linux-android
path: ./userspace/susfs/libs

2
.gitignore vendored
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@@ -1,3 +1,3 @@
.idea
CLAUDE.md
.vscode
.DS_Store

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@@ -1,6 +1,6 @@
# SukiSU Ultra
<img align='right' src='SukiSU-mini.svg' width='220px' alt="sukisu logo">
<img align='right' src='zakomonochrome-128.svg' width='100px' alt="logo">
# SukiSU Ultra
**English** | [简体中文](./zh/README.md) | [日本語](./ja/README.md) | [Türkçe](./tr/README.md)
@@ -15,7 +15,6 @@ A kernel-based root solution for Android devices, forked from [`tiann/KernelSU`]
1. Kernel-based `su` and root access management
2. Module system based on [Magic Mount](https://github.com/5ec1cff/KernelSU)
> **Note:** SukiSU now delegates all module mounting to the installed *metamodule*; the core no longer handles mount operations.
3. [App Profile](https://kernelsu.org/guide/app-profile.html): Lock up the root power in a cage
4. Support non-GKI and GKI 1.0
5. KPM Support

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@@ -24,12 +24,6 @@ Prerequisites: open source bootable kernel.
- Requires [`guide/how-to-integrate.md`](guide/how-to-integrate.md)
- Requires [https://github.com/~](https://github.com/tiann/KernelSU/blob/main/website/docs/guide/how-to-integrate-for-non-gki.md#manually-modify-the-kernel-source)
3. **Tracepoint Hook:**
- Hook method introduced since SukiSU commit [49b01aad](https://github.com/SukiSU-Ultra/SukiSU-Ultra/commit/49b01aad74bcca6dba5a8a2e053bb54b648eb124)
- Requires `CONFIG_KSU_TRACEPOINT_HOOK=y`
- Requires [`guide/tracepoint-hook.md`](tracepoint-hook.md)
<!-- This part refer to [rsuntk/KernelSU](https://github.com/rsuntk/KernelSU). -->
If you're able to build a bootable kernel, there are two ways to integrate KernelSU into the kernel source code:

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@@ -1,239 +0,0 @@
# Tracepoint Hook Integration
## Introduction
Since commit [49b01aad](https://github.com/SukiSU-Ultra/SukiSU-Ultra/commit/49b01aad74bcca6dba5a8a2e053bb54b648eb124), SukiSU has introduced Tracepoint Hook
This Hook theoretically has lower performance overhead compared to Kprobes Hook, but is inferior to Manual Hook / Syscall Hook
> [!NOTE]
> This tutorial references the syscall hook v1.4 version from [backslashxx/KernelSU#5](https://github.com/backslashxx/KernelSU/issues/5), as well as the original KernelSU's [Manual Hook](https://kernelsu.org/guide/how-to-integrate-for-non-gki.html#manually-modify-the-kernel-source)
## Guide
### execve Hook (`exec.c`)
Generally need to modify the `do_execve` and `compat_do_execve` methods in `fs/exec.c`
```patch
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -78,6 +78,10 @@
#include <trace/hooks/sched.h>
#endif
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
EXPORT_TRACEPOINT_SYMBOL_GPL(task_rename);
static int bprm_creds_from_file(struct linux_binprm *bprm);
@@ -2037,6 +2041,9 @@ static int do_execve(struct filename *filename,
{
struct user_arg_ptr argv = { .ptr.native = __argv };
struct user_arg_ptr envp = { .ptr.native = __envp };
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_execveat_hook((int *)AT_FDCWD, &filename, &argv, &envp, 0);
+#endif
return do_execveat_common(AT_FDCWD, filename, argv, envp, 0);
}
@@ -2064,6 +2071,9 @@ static int compat_do_execve(struct filename *filename,
.is_compat = true,
.ptr.compat = __envp,
};
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_execveat_hook((int *)AT_FDCWD, &filename, &argv, &envp, 0); // 32-bit su and 32-on-64 support
+#endif
return do_execveat_common(AT_FDCWD, filename, argv, envp, 0);
}
```
### faccessat Hook (`open.c`)
Generally need to modify the `do_faccessat` method in `/fs/open.c`
```patch
--- a/fs/open.c
+++ b/fs/open.c
@@ -37,6 +37,10 @@
#include "internal.h"
#include <trace/hooks/syscall_check.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
int do_truncate(struct user_namespace *mnt_userns, struct dentry *dentry,
loff_t length, unsigned int time_attrs, struct file *filp)
{
@@ -468,6 +472,9 @@ static long do_faccessat(int dfd, const char __user *filename, int mode, int fla
SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
{
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_faccessat_hook(&dfd, &filename, &mode, NULL);
+#endif
return do_faccessat(dfd, filename, mode, 0);
}
```
If there's no `do_faccessat` method, you can find the `faccessat` SYSCALL definition (for kernels earlier than 4.17)
```patch
--- a/fs/open.c
+++ b/fs/open.c
@@ -31,6 +31,9 @@
#include <linux/ima.h>
#include <linux/dnotify.h>
#include <linux/compat.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
#include "internal.h"
@@ -369,6 +372,9 @@ SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
int res;
unsigned int lookup_flags = LOOKUP_FOLLOW;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_faccessat_hook(&dfd, &filename, &mode, NULL);
+#endif
if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
return -EINVAL;
```
### sys_read Hook (`read_write.c`)
Need to modify the `sys_read` method in `fs/read_write.c` (4.19 and above)
```patch
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -25,6 +25,10 @@
#include <linux/uaccess.h>
#include <asm/unistd.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
const struct file_operations generic_ro_fops = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
@@ -630,6 +634,9 @@ ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count)
SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
{
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_sys_read_hook(fd, &buf, &count);
+#endif
return ksys_read(fd, buf, count);
}
```
Or the `read` SYSCALL definition (4.14 and below)
```patch
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -25,6 +25,11 @@
#include <linux/uaccess.h>
#include <asm/unistd.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
+
const struct file_operations generic_ro_fops = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
@@ -575,6 +580,9 @@ SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
if (f.file) {
loff_t pos = file_pos_read(f.file);
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_sys_read_hook(fd, &buf, &count);
+#endif
ret = vfs_read(f.file, buf, count, &pos);
if (ret >= 0)
file_pos_write(f.file, pos);
```
### fstatat Hook (`stat.c`)
Need to modify the `newfstatat` SYSCALL definition in `stat.c`
If 32-bit support is needed, also need to modify the `statat64` SYSCALL definition
```patch
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -24,6 +24,10 @@
#include "internal.h"
#include "mount.h"
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
/**
* generic_fillattr - Fill in the basic attributes from the inode struct
* @mnt_userns: user namespace of the mount the inode was found from
@@ -408,6 +412,10 @@ SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename,
struct kstat stat;
int error;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_stat_hook(&dfd, &filename, &flag);
+#endif
+
error = vfs_fstatat(dfd, filename, &stat, flag);
if (error)
return error;
@@ -559,6 +567,10 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename,
struct kstat stat;
int error;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_stat_hook(&dfd, &filename, &flag); /* 32-bit su support */
+#endif
+
error = vfs_fstatat(dfd, filename, &stat, flag);
if (error)
return error;
```
### input Hook (`input.c`, for entering KSU built-in security mode)
Need to modify the `input_event` method in `drivers/input/input.c`, not `input_handle_event`
```patch
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -26,6 +26,10 @@
#include "input-compat.h"
#include "input-poller.h"
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../../drivers/kernelsu/ksu_trace.h>
+#endif
+
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("Input core");
MODULE_LICENSE("GPL");
@@ -451,6 +455,10 @@ void input_event(struct input_dev *dev,
{
unsigned long flags;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_input_hook(&type, &code, &value);
+#endif
+
if (is_event_supported(type, dev->evbit, EV_MAX)) {
spin_lock_irqsave(&dev->event_lock, flags);
```

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@@ -1,6 +1,4 @@
# SukiSU Ultra
<img align='right' src='SukiSU-mini.svg' width='220px' alt="sukisu logo">
[English](../README.md) | [简体中文](../zh/README.md) | **日本語** | [Türkçe](../tr/README.md)

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# SukiSU Ultra
<img align='right' src='SukiSU-mini.svg' width='250px' alt="sukisu logo">
[English](../README.md) | [简体中文](../zh/README.md) | [日本語](../ja/README.md) | **Türkçe**

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# SukiSU Ultra
<img align='right' src='SukiSU-mini.svg' width='220px' alt="sukisu logo">
<img align='right' src='zakomonochrome-128.svg' width='100px' alt="logo">
# SukiSU Ultra
[English](../README.md) | **简体中文** | [日本語](../ja/README.md) | [Türkçe](../tr/README.md)

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@@ -21,15 +21,9 @@ SukiSU 可以集成到 GKI 和 non-GKI 内核中,并且已反向移植到 4.14
<!-- - backslashxx's syscall manual hook: https://github.com/backslashxx/KernelSU/issues/5 (v1.5 version is not available at the moment, if you want to use it, please use v1.4 version, or standard KernelSU hooks)-->
- 需要 `CONFIG_KSU_MANUAL_HOOK=y`
- 需要 [`guide/how-to-integrate.md`](how-to-integrate.md)
- 需要 [`guide/how-to-integrate.md`](guide/how-to-integrate.md)
- 需要 [https://github.com/~](https://github.com/tiann/KernelSU/blob/main/website/docs/guide/how-to-integrate-for-non-gki.md#manually-modify-the-kernel-source)
3. **Tracepoint Hook:**
- 自 SukiSU commit [49b01aad](https://github.com/SukiSU-Ultra/SukiSU-Ultra/commit/49b01aad74bcca6dba5a8a2e053bb54b648eb124) 引入的 hook 方法
- 需要 `CONFIG_KSU_TRACEPOINT_HOOK=y`
- 需要 [`guide/tracepoint-hook.md`](tracepoint-hook.md)
<!-- This part refer to [rsuntk/KernelSU](https://github.com/rsuntk/KernelSU). -->
如果您能够构建可启动内核,有两种方法可以将 KernelSU 集成到内核源代码中:

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@@ -1,239 +0,0 @@
# Tracepoint Hook 集成
## 介绍
自 commit [49b01aad](https://github.com/SukiSU-Ultra/SukiSU-Ultra/commit/49b01aad74bcca6dba5a8a2e053bb54b648eb124) 起SukiSU 引入了 Tracepoint Hook
该 Hook 理论上相比于 Kprobes Hook性能开销更小但次于 Manual Hook / Syscall Hook
> [!NOTE]
> 本教程参考了 [backslashxx/KernelSU#5](https://github.com/backslashxx/KernelSU/issues/5) 的 syscall hook v1.4 版本钩子,以及原版 KernelSU 的 [Manual Hook](https://kernelsu.org/guide/how-to-integrate-for-non-gki.html#manually-modify-the-kernel-source)
## Guide
### execve 钩子(`exec.c`
一般需要修改 `fs/exec.c``do_execve``compat_do_execve` 方法
```patch
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -78,6 +78,10 @@
#include <trace/hooks/sched.h>
#endif
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
EXPORT_TRACEPOINT_SYMBOL_GPL(task_rename);
static int bprm_creds_from_file(struct linux_binprm *bprm);
@@ -2037,6 +2041,9 @@ static int do_execve(struct filename *filename,
{
struct user_arg_ptr argv = { .ptr.native = __argv };
struct user_arg_ptr envp = { .ptr.native = __envp };
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_execveat_hook((int *)AT_FDCWD, &filename, &argv, &envp, 0);
+#endif
return do_execveat_common(AT_FDCWD, filename, argv, envp, 0);
}
@@ -2064,6 +2071,9 @@ static int compat_do_execve(struct filename *filename,
.is_compat = true,
.ptr.compat = __envp,
};
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_execveat_hook((int *)AT_FDCWD, &filename, &argv, &envp, 0)); // 32-bit su and 32-on-64 support
+#endif
return do_execveat_common(AT_FDCWD, filename, argv, envp, 0);
}
```
### faccessat 钩子 (`open.c`)
一般需要修改 `/fs/open.c``do_faccessat` 方法
```patch
--- a/fs/open.c
+++ b/fs/open.c
@@ -37,6 +37,10 @@
#include "internal.h"
#include <trace/hooks/syscall_check.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
int do_truncate(struct user_namespace *mnt_userns, struct dentry *dentry,
loff_t length, unsigned int time_attrs, struct file *filp)
{
@@ -468,6 +472,9 @@ static long do_faccessat(int dfd, const char __user *filename, int mode, int fla
SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
{
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_faccessat_hook(&dfd, &filename, &mode, NULL);
+#endif
return do_faccessat(dfd, filename, mode, 0);
}
```
如果没有 `do_faccessat` 方法,可以找 `faccessat` 的 SYSCALL 定义(对于早于 4.17 的内核)
```patch
--- a/fs/open.c
+++ b/fs/open.c
@@ -31,6 +31,9 @@
#include <linux/ima.h>
#include <linux/dnotify.h>
#include <linux/compat.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
#include "internal.h"
@@ -369,6 +372,9 @@ SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
int res;
unsigned int lookup_flags = LOOKUP_FOLLOW;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_faccessat_hook(&dfd, &filename, &mode, NULL);
+#endif
if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
return -EINVAL;
```
### sys_read 钩子 ( `read_write.c` )
需要修改 `fs/read_write.c``sys_read` 方法4.19 及以上)
```patch
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -25,6 +25,10 @@
#include <linux/uaccess.h>
#include <asm/unistd.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
const struct file_operations generic_ro_fops = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
@@ -630,6 +634,9 @@ ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count)
SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
{
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_sys_read_hook(fd, &buf, &count);
+#endif
return ksys_read(fd, buf, count);
}
```
或者是 `read` 的 SYSCALL 定义4.14 及以下)
```patch
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -25,6 +25,11 @@
#include <linux/uaccess.h>
#include <asm/unistd.h>
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
+
const struct file_operations generic_ro_fops = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
@@ -575,6 +580,9 @@ SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
if (f.file) {
loff_t pos = file_pos_read(f.file);
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_sys_read_hook(fd, &buf, &count);
+#endif
ret = vfs_read(f.file, buf, count, &pos);
if (ret >= 0)
file_pos_write(f.file, pos);
```
### fstatat 钩子 ( `stat.c` )
需要修改 `stat.c``newfstatat` SYSCALL 定义
如果需要 32 位支持,还需要修改 `statat64` SYSCALL 定义
```patch
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -24,6 +24,10 @@
#include "internal.h"
#include "mount.h"
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../drivers/kernelsu/ksu_trace.h>
+#endif
+
/**
* generic_fillattr - Fill in the basic attributes from the inode struct
* @mnt_userns: user namespace of the mount the inode was found from
@@ -408,6 +412,10 @@ SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename,
struct kstat stat;
int error;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_stat_hook(&dfd, &filename, &flag);
+#endif
+
error = vfs_fstatat(dfd, filename, &stat, flag);
if (error)
return error;
@@ -559,6 +567,10 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename,
struct kstat stat;
int error;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_stat_hook(&dfd, &filename, &flag); /* 32-bit su support */
+#endif
+
error = vfs_fstatat(dfd, filename, &stat, flag);
if (error)
return error;
```
### input 钩子 (`input.c` ,用于进入KSU系的内置安全模式)
需要修改 `drivers/input/input.c``input_event` 方法,而不是 `input_handle_event`
```patch
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -26,6 +26,10 @@
#include "input-compat.h"
#include "input-poller.h"
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+#include <../../drivers/kernelsu/ksu_trace.h>
+#endif
+
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("Input core");
MODULE_LICENSE("GPL");
@@ -451,6 +455,10 @@ void input_event(struct input_dev *dev,
{
unsigned long flags;
+#if defined(CONFIG_KSU) && defined(CONFIG_KSU_TRACEPOINT_HOOK)
+ trace_ksu_trace_input_hook(&type, &code, &value);
+#endif
+
if (is_event_supported(type, dev->evbit, EV_MAX)) {
spin_lock_irqsave(&dev->event_lock, flags);
```

View File

@@ -0,0 +1,65 @@
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After

Width:  |  Height:  |  Size: 3.9 KiB

View File

@@ -56,8 +56,8 @@ ColumnLimit: 80
CommentPragmas: '^ IWYU pragma:'
#CompactNamespaces: false # Unknown to clang-format-4.0
ConstructorInitializerAllOnOneLineOrOnePerLine: false
ConstructorInitializerIndentWidth: 4
ContinuationIndentWidth: 4
ConstructorInitializerIndentWidth: 8
ContinuationIndentWidth: 8
Cpp11BracedListStyle: false
DerivePointerAlignment: false
DisableFormat: false
@@ -501,7 +501,7 @@ IncludeCategories:
IncludeIsMainRegex: '(Test)?$'
IndentCaseLabels: false
#IndentPPDirectives: None # Unknown to clang-format-5.0
IndentWidth: 4
IndentWidth: 8
IndentWrappedFunctionNames: false
JavaScriptQuotes: Leave
JavaScriptWrapImports: true
@@ -511,7 +511,7 @@ MacroBlockEnd: ''
MaxEmptyLinesToKeep: 1
NamespaceIndentation: None
#ObjCBinPackProtocolList: Auto # Unknown to clang-format-5.0
ObjCBlockIndentWidth: 4
ObjCBlockIndentWidth: 8
ObjCSpaceAfterProperty: true
ObjCSpaceBeforeProtocolList: true
@@ -543,6 +543,6 @@ SpacesInCStyleCastParentheses: false
SpacesInParentheses: false
SpacesInSquareBrackets: false
Standard: Cpp03
TabWidth: 4
UseTab: Never
TabWidth: 8
UseTab: Always
...

22
kernel/.gitignore vendored
View File

@@ -1,22 +0,0 @@
.cache/
.thinlto-cache/
compile_commands.json
*.ko
*.o
*.mod
*.lds
*.mod.o
.*.o*
.*.mod*
*.ko*
*.mod.c
*.symvers*
*.order
.*.ko.cmd
.tmp_versions/
libs/
obj/
CLAUDE.md
.ddk-version
.vscode/settings.json

View File

@@ -1,11 +0,0 @@
{
"configurations": [
{
"name": "Linux",
"cStandard": "c11",
"intelliSenseMode": "gcc-arm64",
"compileCommands": "${workspaceFolder}/compile_commands.json"
}
],
"version": 4
}

View File

@@ -1,92 +0,0 @@
#!/usr/bin/env python3
from __future__ import print_function, division
import argparse
import fnmatch
import functools
import json
import math
import multiprocessing
import os
import re
import sys
CMD_VAR_RE = re.compile(r'^\s*(?:saved)?cmd_(\S+)\s*:=\s*(.+)\s*$', re.MULTILINE)
SOURCE_VAR_RE = re.compile(r'^\s*source_(\S+)\s*:=\s*(.+)\s*$', re.MULTILINE)
def print_progress_bar(progress):
progress_bar = '[' + '|' * int(50 * progress) + '-' * int(50 * (1.0 - progress)) + ']'
print('\r', progress_bar, "{0:.1%}".format(progress), end='\r', file=sys.stderr)
def parse_cmd_file(out_dir, cmdfile_path):
with open(cmdfile_path, 'r') as cmdfile:
cmdfile_content = cmdfile.read()
commands = { match.group(1): match.group(2) for match in CMD_VAR_RE.finditer(cmdfile_content) }
sources = { match.group(1): match.group(2) for match in SOURCE_VAR_RE.finditer(cmdfile_content) }
return [{
'directory': out_dir,
'command': commands[o_file_name],
'file': source,
'output': o_file_name
} for o_file_name, source in sources.items()]
def gen_compile_commands(cmd_file_search_path, out_dir):
print("Building *.o.cmd file list...", file=sys.stderr)
out_dir = os.path.abspath(out_dir)
if not cmd_file_search_path:
cmd_file_search_path = [out_dir]
cmd_files = []
for search_path in cmd_file_search_path:
if (os.path.isdir(search_path)):
for cur_dir, subdir, files in os.walk(search_path):
cmd_files.extend(os.path.join(cur_dir, cmdfile_name) for cmdfile_name in fnmatch.filter(files, '*.o.cmd'))
else:
cmd_files.extend(search_path)
if not cmd_files:
print("No *.o.cmd files found in", ", ".join(cmd_file_search_path), file=sys.stderr)
return
print("Parsing *.o.cmd files...", file=sys.stderr)
n_processed = 0
print_progress_bar(0)
compdb = []
pool = multiprocessing.Pool()
try:
for compdb_chunk in pool.imap_unordered(functools.partial(parse_cmd_file, out_dir), cmd_files, chunksize=int(math.sqrt(len(cmd_files)))):
compdb.extend(compdb_chunk)
n_processed += 1
print_progress_bar(n_processed / len(cmd_files))
finally:
pool.terminate()
pool.join()
print(file=sys.stderr)
print("Writing compile_commands.json...", file=sys.stderr)
with open('compile_commands.json', 'w') as compdb_file:
json.dump(compdb, compdb_file, indent=1)
def main():
cmd_parser = argparse.ArgumentParser()
cmd_parser.add_argument('-O', '--out-dir', type=str, default=os.getcwd(), help="Build output directory")
cmd_parser.add_argument('cmd_file_search_path', nargs='*', help="*.cmd file search path")
gen_compile_commands(**vars(cmd_parser.parse_args()))
if __name__ == '__main__':
main()

View File

@@ -1,16 +0,0 @@
{
// See https://go.microsoft.com/fwlink/?LinkId=733558
// for the documentation about the tasks.json format
"version": "2.0.0",
"tasks": [
{
"label": "Generate compile_commands.json",
"type": "process",
"command": "python",
"args": [
"${workspaceRoot}/.vscode/generate_compdb.py"
],
"problemMatcher": []
}
]
}

View File

@@ -1,42 +1,57 @@
menu "KernelSU"
config KSU
tristate "KernelSU function support"
default y
help
Enable kernel-level root privileges on Android System.
To compile as a module, choose M here: the
module will be called kernelsu.
tristate "KernelSU function support"
depends on OVERLAY_FS
default y
help
Enable kernel-level root privileges on Android System.
To compile as a module, choose M here: the
module will be called kernelsu.
config KSU_DEBUG
bool "KernelSU debug mode"
depends on KSU
default n
help
Enable KernelSU debug mode.
config KSU_MANUAL_SU
bool "Use manual su"
depends on KSU
default y
help
Use manual su and authorize the corresponding command line and application via prctl
bool "KernelSU debug mode"
depends on KSU
default n
help
Enable KernelSU debug mode.
config KPM
bool "Enable SukiSU KPM"
depends on KSU && 64BIT
default n
bool "Enable SukiSU KPM"
depends on KSU && 64BIT
default n
help
Enabling this option will activate the KPM feature of SukiSU.
This option is suitable for scenarios where you need to force KPM to be enabled.
but it may affect system stability.
select KALLSYMS
select KALLSYMS_ALL
choice
prompt "KernelSU hook type"
depends on KSU
default KSU_KPROBES_HOOK
help
Enabling this option will activate the KPM feature of SukiSU.
This option is suitable for scenarios where you need to force KPM to be enabled.
but it may affect system stability.
select KALLSYMS
select KALLSYMS_ALL
Hook type for KernelSU
config KSU_KPROBES_HOOK
bool "Hook KernelSU with Kprobes"
depends on KPROBES
help
If enabled, Hook required KernelSU syscalls with Kernel-probe.
config KSU_TRACEPOINT_HOOK
bool "Hook KernelSU with Tracepoint"
depends on TRACEPOINTS
help
If enabled, Hook required KernelSU syscalls with Tracepoint.
config KSU_MANUAL_HOOK
bool "Hook KernelSU manually"
depends on KSU != m
help
If enabled, Hook required KernelSU syscalls with manually-patched function.
depends on KSU != m
help
If enabled, Hook required KernelSU syscalls with manually-patched function.
endchoice
endmenu

View File

@@ -1,28 +1,16 @@
kernelsu-objs := ksu.o
kernelsu-objs += allowlist.o
kernelsu-objs += app_profile.o
kernelsu-objs += dynamic_manager.o
kernelsu-objs += dynamic_sign.o
kernelsu-objs += apk_sign.o
kernelsu-objs += sucompat.o
kernelsu-objs += syscall_hook_manager.o
kernelsu-objs += throne_tracker.o
kernelsu-objs += pkg_observer.o
kernelsu-objs += throne_tracker.o
kernelsu-objs += umount_manager.o
kernelsu-objs += setuid_hook.o
kernelsu-objs += kernel_umount.o
kernelsu-objs += supercalls.o
kernelsu-objs += feature.o
kernelsu-objs += core_hook.o
kernelsu-objs += ksud.o
kernelsu-objs += embed_ksud.o
kernelsu-objs += seccomp_cache.o
kernelsu-objs += file_wrapper.o
kernelsu-objs += throne_comm.o
kernelsu-objs += sulog.o
kernelsu-objs += kernel_compat.o
ifeq ($(CONFIG_KSU_MANUAL_SU), y)
ccflags-y += -DCONFIG_KSU_MANUAL_SU
kernelsu-objs += manual_su.o
ifeq ($(strip $(CONFIG_KSU_TRACEPOINT_HOOK)),y)
kernelsu-objs += ksu_trace.o
endif
kernelsu-objs += selinux/selinux.o
@@ -32,62 +20,46 @@ ccflags-y += -I$(srctree)/security/selinux -I$(srctree)/security/selinux/include
ccflags-y += -I$(objtree)/security/selinux -include $(srctree)/include/uapi/asm-generic/errno.h
obj-$(CONFIG_KSU) += kernelsu.o
obj-$(CONFIG_KSU_TRACEPOINT_HOOK) += ksu_trace_export.o
obj-$(CONFIG_KPM) += kpm/
REPO_OWNER := SukiSU-Ultra
REPO_NAME := SukiSU-Ultra
REPO_BRANCH := main
KSU_VERSION_API := 4.0.0
KSU_VERSION_API := 3.1.8
GIT_BIN := /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin git
CURL_BIN := /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin curl
KDIR := $(KDIR)
MDIR := $(realpath $(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
ifneq ($(KDIR),)
$(info -- KDIR: $(KDIR))
$(info -- MDIR: $(MDIR))
endif
KSU_GITHUB_VERSION := $(shell $(CURL_BIN) -s "https://api.github.com/repos/$(REPO_OWNER)/$(REPO_NAME)/releases/latest" | grep '"tag_name":' | sed -E 's/.*"v([^"]+)".*/\1/')
KSU_GITHUB_VERSION_COMMIT := $(shell $(CURL_BIN) -sI "https://api.github.com/repos/$(REPO_OWNER)/$(REPO_NAME)/commits?sha=$(REPO_BRANCH)&per_page=1" | grep -i "link:" | sed -n 's/.*page=\([0-9]*\)>; rel="last".*/\1/p')
ifeq ($(findstring $(srctree),$(src)),$(srctree))
KSU_SRC := $(src)
else
KSU_SRC := $(srctree)/$(src)
endif
ifneq ($(shell test -e $(KSU_SRC)/../.git && echo "in-tree"),in-tree)
KSU_SRC := $(MDIR)
endif
LOCAL_GIT_EXISTS := $(shell test -e $(KSU_SRC)/../.git && echo 1 || echo 0)
LOCAL_GIT_EXISTS := $(shell test -e $(srctree)/$(src)/../.git && echo 1 || echo 0)
define get_ksu_version_full
v$1-$(shell cd $(KSU_SRC); $(GIT_BIN) rev-parse --short=8 HEAD)@$(shell cd $(KSU_SRC); $(GIT_BIN) rev-parse --abbrev-ref HEAD)
v$1-$(shell cd $(srctree)/$(src); $(GIT_BIN) rev-parse --short=8 HEAD)@$(shell cd $(srctree)/$(src); $(GIT_BIN) rev-parse --abbrev-ref HEAD)
endef
ifeq ($(KSU_GITHUB_VERSION_COMMIT),)
ifeq ($(LOCAL_GIT_EXISTS),1)
$(shell cd $(KSU_SRC); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
KSU_LOCAL_VERSION := $(shell cd $(KSU_SRC); $(GIT_BIN) rev-list --count $(REPO_BRANCH))
KSU_VERSION := $(shell expr 40000 + $(KSU_LOCAL_VERSION) - 2815)
$(shell cd $(srctree)/$(src); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
KSU_LOCAL_VERSION := $(shell cd $(srctree)/$(src); $(GIT_BIN) rev-list --count $(REPO_BRANCH))
KSU_VERSION := $(shell expr 10000 + $(KSU_LOCAL_VERSION) + 700)
$(info -- $(REPO_NAME) version (local .git): $(KSU_VERSION))
else
KSU_VERSION := 13000
$(warning -- Could not fetch version online or via local .git! Using fallback version: $(KSU_VERSION))
endif
else
KSU_VERSION := $(shell expr 40000 + $(KSU_GITHUB_VERSION_COMMIT) - 2815)
KSU_VERSION := $(shell expr 10000 + $(KSU_GITHUB_VERSION_COMMIT) + 700)
$(info -- $(REPO_NAME) version (GitHub): $(KSU_VERSION))
endif
ifeq ($(KSU_GITHUB_VERSION),)
ifeq ($(LOCAL_GIT_EXISTS),1)
$(shell cd $(KSU_SRC); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
$(shell cd $(srctree)/$(src); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
KSU_VERSION_FULL := $(call get_ksu_version_full,$(KSU_VERSION_API))
$(info -- $(REPO_NAME) version (local .git): $(KSU_VERSION_FULL))
$(info -- $(REPO_NAME) Formatted version (local .git): $(KSU_VERSION))
@@ -96,7 +68,7 @@ ifeq ($(KSU_GITHUB_VERSION),)
$(warning -- $(REPO_NAME) version: $(KSU_VERSION_FULL))
endif
else
$(shell cd $(KSU_SRC); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
$(shell cd $(srctree)/$(src); [ -f ../.git/shallow ] && $(GIT_BIN) fetch --unshallow)
KSU_VERSION_FULL := $(call get_ksu_version_full,$(KSU_GITHUB_VERSION))
$(info -- $(REPO_NAME) version (Github): $(KSU_VERSION_FULL))
endif
@@ -120,13 +92,14 @@ ccflags-y += -DKSU_MANAGER_PACKAGE=\"$(KSU_MANAGER_PACKAGE)\"
$(info -- SukiSU Manager package name: $(KSU_MANAGER_PACKAGE))
endif
ifeq ($(CONFIG_KSU_MANUAL_HOOK), y)
ccflags-y += -DKSU_MANUAL_HOOK
$(info -- SukiSU: KSU_MANUAL_HOOK Temporarily discontinued)
else
ccflags-y += -DKSU_KPROBES_HOOK
ccflags-y += -DKSU_TP_HOOK
$(info -- SukiSU: KSU_TRACEPOINT_HOOK)
$(info -- Supported Unofficial Manager: 5ec1cff (GKI) ShirkNeko udochina (GKI and KPM))
ifeq ($(strip $(CONFIG_KSU_KPROBES_HOOK)),y)
$(info -- SukiSU: CONFIG_KSU_KPROBES_HOOK)
else ifeq ($(strip $(CONFIG_KSU_TRACEPOINT_HOOK)),y)
$(info -- SukiSU: CONFIG_KSU_TRACEPOINT_HOOK)
else ifeq ($(strip $(CONFIG_KSU_MANUAL_HOOK)),y)
$(info -- SukiSU: CONFIG_KSU_MANUAL_HOOK)
endif
KERNEL_VERSION := $(VERSION).$(PATCHLEVEL)
@@ -143,30 +116,14 @@ endif
$(info -- KERNEL_VERSION: $(KERNEL_VERSION))
$(info -- KERNEL_TYPE: $(KERNEL_TYPE))
ifeq ($(CONFIG_KPM), y)
$(info -- KERNEL_VERSION: $(KERNEL_VERSION))
ifeq ($(CONFIG_KPM),y)
$(info -- KPM is enabled)
else
$(info -- KPM is disabled)
endif
# Check new vfs_getattr()
ifeq ($(shell grep -A1 "^int vfs_getattr" $(srctree)/fs/stat.c | grep -q "query_flags" ; echo $$?),0)
ccflags-y += -DKSU_HAS_NEW_VFS_GETATTR
endif
# Function proc_ops check
ifeq ($(shell grep -q "struct proc_ops " $(srctree)/include/linux/proc_fs.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_PROC_OPS
endif
ccflags-y += -Wno-strict-prototypes -Wno-int-conversion -Wno-gcc-compat -Wno-missing-prototypes
ccflags-y += -Wno-declaration-after-statement -Wno-unused-function -Wno-unused-variable
all:
make -C $(KDIR) M=$(MDIR) modules
compdb:
python3 $(MDIR)/.vscode/generate_compdb.py -O $(KDIR) $(MDIR)
clean:
make -C $(KDIR) M=$(MDIR) clean
ccflags-y += -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-int-conversion -Wno-gcc-compat
ccflags-y += -Wno-declaration-after-statement -Wno-unused-function
# Keep a new line here!! Because someone may append config

View File

@@ -1,5 +1,3 @@
#include <linux/mutex.h>
#include <linux/task_work.h>
#include <linux/capability.h>
#include <linux/compiler.h>
#include <linux/fs.h>
@@ -10,16 +8,14 @@
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
#include <linux/compiler_types.h>
#endif
#include "ksu.h"
#include "klog.h" // IWYU pragma: keep
#include "ksud.h"
#include "selinux/selinux.h"
#include "kernel_compat.h"
#include "allowlist.h"
#include "manager.h"
#include "syscall_hook_manager.h"
#define FILE_MAGIC 0x7f4b5355 // ' KSU', u32
#define FILE_FORMAT_VERSION 3 // u32
@@ -33,61 +29,58 @@ static DEFINE_MUTEX(allowlist_mutex);
static struct root_profile default_root_profile;
static struct non_root_profile default_non_root_profile;
void persistent_allow_list(void);
static int allow_list_arr[PAGE_SIZE / sizeof(int)] __read_mostly
__aligned(PAGE_SIZE);
static int allow_list_arr[PAGE_SIZE / sizeof(int)] __read_mostly __aligned(PAGE_SIZE);
static int allow_list_pointer __read_mostly = 0;
static void remove_uid_from_arr(uid_t uid)
{
int *temp_arr;
int i, j;
int *temp_arr;
int i, j;
if (allow_list_pointer == 0)
return;
if (allow_list_pointer == 0)
return;
temp_arr = kzalloc(sizeof(allow_list_arr), GFP_KERNEL);
if (temp_arr == NULL) {
pr_err("%s: unable to allocate memory\n", __func__);
return;
}
temp_arr = kmalloc(sizeof(allow_list_arr), GFP_KERNEL);
if (temp_arr == NULL) {
pr_err("%s: unable to allocate memory\n", __func__);
return;
}
for (i = j = 0; i < allow_list_pointer; i++) {
if (allow_list_arr[i] == uid)
continue;
temp_arr[j++] = allow_list_arr[i];
}
for (i = j = 0; i < allow_list_pointer; i++) {
if (allow_list_arr[i] == uid)
continue;
temp_arr[j++] = allow_list_arr[i];
}
allow_list_pointer = j;
allow_list_pointer = j;
for (; j < ARRAY_SIZE(allow_list_arr); j++)
temp_arr[j] = -1;
for (; j < ARRAY_SIZE(allow_list_arr); j++)
temp_arr[j] = -1;
memcpy(&allow_list_arr, temp_arr, PAGE_SIZE);
kfree(temp_arr);
memcpy(&allow_list_arr, temp_arr, PAGE_SIZE);
kfree(temp_arr);
}
static void init_default_profiles(void)
static void init_default_profiles()
{
kernel_cap_t full_cap = CAP_FULL_SET;
kernel_cap_t full_cap = CAP_FULL_SET;
default_root_profile.uid = 0;
default_root_profile.gid = 0;
default_root_profile.groups_count = 1;
default_root_profile.groups[0] = 0;
memcpy(&default_root_profile.capabilities.effective, &full_cap,
sizeof(default_root_profile.capabilities.effective));
default_root_profile.namespaces = 0;
strcpy(default_root_profile.selinux_domain, KSU_DEFAULT_SELINUX_DOMAIN);
default_root_profile.uid = 0;
default_root_profile.gid = 0;
default_root_profile.groups_count = 1;
default_root_profile.groups[0] = 0;
memcpy(&default_root_profile.capabilities.effective, &full_cap,
sizeof(default_root_profile.capabilities.effective));
default_root_profile.namespaces = 0;
strcpy(default_root_profile.selinux_domain, KSU_DEFAULT_SELINUX_DOMAIN);
// This means that we will umount modules by default!
default_non_root_profile.umount_modules = true;
// This means that we will umount modules by default!
default_non_root_profile.umount_modules = true;
}
struct perm_data {
struct list_head list;
struct app_profile profile;
struct list_head list;
struct app_profile profile;
};
static struct list_head allow_list;
@@ -97,535 +90,437 @@ static uint8_t allow_list_bitmap[PAGE_SIZE] __read_mostly __aligned(PAGE_SIZE);
#define KERNEL_SU_ALLOWLIST "/data/adb/ksu/.allowlist"
static struct work_struct ksu_save_work;
static struct work_struct ksu_load_work;
bool persistent_allow_list(void);
void ksu_show_allow_list(void)
{
struct perm_data *p = NULL;
struct list_head *pos = NULL;
pr_info("ksu_show_allow_list\n");
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
pr_info("uid :%d, allow: %d\n", p->profile.current_uid,
p->profile.allow_su);
}
struct perm_data *p = NULL;
struct list_head *pos = NULL;
pr_info("ksu_show_allow_list\n");
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
pr_info("uid :%d, allow: %d\n", p->profile.current_uid,
p->profile.allow_su);
}
}
#ifdef CONFIG_KSU_DEBUG
static void ksu_grant_root_to_shell(void)
static void ksu_grant_root_to_shell()
{
struct app_profile profile = {
.version = KSU_APP_PROFILE_VER,
.allow_su = true,
.current_uid = 2000,
};
strcpy(profile.key, "com.android.shell");
strcpy(profile.rp_config.profile.selinux_domain,
KSU_DEFAULT_SELINUX_DOMAIN);
ksu_set_app_profile(&profile, false);
struct app_profile profile = {
.version = KSU_APP_PROFILE_VER,
.allow_su = true,
.current_uid = 2000,
};
strcpy(profile.key, "com.android.shell");
strcpy(profile.rp_config.profile.selinux_domain, KSU_DEFAULT_SELINUX_DOMAIN);
ksu_set_app_profile(&profile, false);
}
#endif
bool ksu_get_app_profile(struct app_profile *profile)
{
struct perm_data *p = NULL;
struct list_head *pos = NULL;
bool found = false;
struct perm_data *p = NULL;
struct list_head *pos = NULL;
bool found = false;
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
bool uid_match = profile->current_uid == p->profile.current_uid;
if (uid_match) {
// found it, override it with ours
memcpy(profile, &p->profile, sizeof(*profile));
found = true;
goto exit;
}
}
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
bool uid_match = profile->current_uid == p->profile.current_uid;
if (uid_match) {
// found it, override it with ours
memcpy(profile, &p->profile, sizeof(*profile));
found = true;
goto exit;
}
}
exit:
return found;
return found;
}
static inline bool forbid_system_uid(uid_t uid)
{
#define SHELL_UID 2000
#define SYSTEM_UID 1000
return uid < SHELL_UID && uid != SYSTEM_UID;
static inline bool forbid_system_uid(uid_t uid) {
#define SHELL_UID 2000
#define SYSTEM_UID 1000
return uid < SHELL_UID && uid != SYSTEM_UID;
}
static bool profile_valid(struct app_profile *profile)
{
if (!profile) {
return false;
}
if (!profile) {
return false;
}
if (profile->version < KSU_APP_PROFILE_VER) {
pr_info("Unsupported profile version: %d\n", profile->version);
return false;
}
if (profile->version < KSU_APP_PROFILE_VER) {
pr_info("Unsupported profile version: %d\n", profile->version);
return false;
}
if (profile->allow_su) {
if (profile->rp_config.profile.groups_count > KSU_MAX_GROUPS) {
return false;
}
if (profile->allow_su) {
if (profile->rp_config.profile.groups_count > KSU_MAX_GROUPS) {
return false;
}
if (strlen(profile->rp_config.profile.selinux_domain) == 0) {
return false;
}
}
if (strlen(profile->rp_config.profile.selinux_domain) == 0) {
return false;
}
}
return true;
return true;
}
bool ksu_set_app_profile(struct app_profile *profile, bool persist)
{
struct perm_data *p = NULL;
struct list_head *pos = NULL;
bool result = false;
struct perm_data *p = NULL;
struct list_head *pos = NULL;
bool result = false;
if (!profile_valid(profile)) {
pr_err("Failed to set app profile: invalid profile!\n");
return false;
}
if (!profile_valid(profile)) {
pr_err("Failed to set app profile: invalid profile!\n");
return false;
}
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
// both uid and package must match, otherwise it will break multiple package with different user id
if (profile->current_uid == p->profile.current_uid &&
!strcmp(profile->key, p->profile.key)) {
// found it, just override it all!
memcpy(&p->profile, profile, sizeof(*profile));
result = true;
goto out;
}
}
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
// both uid and package must match, otherwise it will break multiple package with different user id
if (profile->current_uid == p->profile.current_uid &&
!strcmp(profile->key, p->profile.key)) {
// found it, just override it all!
memcpy(&p->profile, profile, sizeof(*profile));
result = true;
goto out;
}
}
// not found, alloc a new node!
p = (struct perm_data *)kzalloc(sizeof(struct perm_data), GFP_KERNEL);
if (!p) {
pr_err("ksu_set_app_profile alloc failed\n");
return false;
}
// not found, alloc a new node!
p = (struct perm_data *)kmalloc(sizeof(struct perm_data), GFP_KERNEL);
if (!p) {
pr_err("ksu_set_app_profile alloc failed\n");
return false;
}
memcpy(&p->profile, profile, sizeof(*profile));
if (profile->allow_su) {
pr_info("set root profile, key: %s, uid: %d, gid: %d, context: %s\n",
profile->key, profile->current_uid,
profile->rp_config.profile.gid,
profile->rp_config.profile.selinux_domain);
} else {
pr_info("set app profile, key: %s, uid: %d, umount modules: %d\n",
profile->key, profile->current_uid,
profile->nrp_config.profile.umount_modules);
}
list_add_tail(&p->list, &allow_list);
memcpy(&p->profile, profile, sizeof(*profile));
if (profile->allow_su) {
pr_info("set root profile, key: %s, uid: %d, gid: %d, context: %s\n",
profile->key, profile->current_uid,
profile->rp_config.profile.gid,
profile->rp_config.profile.selinux_domain);
} else {
pr_info("set app profile, key: %s, uid: %d, umount modules: %d\n",
profile->key, profile->current_uid,
profile->nrp_config.profile.umount_modules);
}
list_add_tail(&p->list, &allow_list);
out:
if (profile->current_uid <= BITMAP_UID_MAX) {
if (profile->allow_su)
allow_list_bitmap[profile->current_uid / BITS_PER_BYTE] |=
1 << (profile->current_uid % BITS_PER_BYTE);
else
allow_list_bitmap[profile->current_uid / BITS_PER_BYTE] &=
~(1 << (profile->current_uid % BITS_PER_BYTE));
} else {
if (profile->allow_su) {
/*
* 1024 apps with uid higher than BITMAP_UID_MAX
* registered to request superuser?
*/
if (allow_list_pointer >= ARRAY_SIZE(allow_list_arr)) {
pr_err("too many apps registered\n");
WARN_ON(1);
return false;
}
allow_list_arr[allow_list_pointer++] = profile->current_uid;
} else {
remove_uid_from_arr(profile->current_uid);
}
}
result = true;
if (profile->current_uid <= BITMAP_UID_MAX) {
if (profile->allow_su)
allow_list_bitmap[profile->current_uid / BITS_PER_BYTE] |= 1 << (profile->current_uid % BITS_PER_BYTE);
else
allow_list_bitmap[profile->current_uid / BITS_PER_BYTE] &= ~(1 << (profile->current_uid % BITS_PER_BYTE));
} else {
if (profile->allow_su) {
/*
* 1024 apps with uid higher than BITMAP_UID_MAX
* registered to request superuser?
*/
if (allow_list_pointer >= ARRAY_SIZE(allow_list_arr)) {
pr_err("too many apps registered\n");
WARN_ON(1);
return false;
}
allow_list_arr[allow_list_pointer++] = profile->current_uid;
} else {
remove_uid_from_arr(profile->current_uid);
}
}
result = true;
// check if the default profiles is changed, cache it to a single struct to accelerate access.
if (unlikely(!strcmp(profile->key, "$"))) {
// set default non root profile
memcpy(&default_non_root_profile, &profile->nrp_config.profile,
sizeof(default_non_root_profile));
}
// check if the default profiles is changed, cache it to a single struct to accelerate access.
if (unlikely(!strcmp(profile->key, "$"))) {
// set default non root profile
memcpy(&default_non_root_profile, &profile->nrp_config.profile,
sizeof(default_non_root_profile));
}
if (unlikely(!strcmp(profile->key, "#"))) {
// set default root profile
memcpy(&default_root_profile, &profile->rp_config.profile,
sizeof(default_root_profile));
}
if (unlikely(!strcmp(profile->key, "#"))) {
// set default root profile
memcpy(&default_root_profile, &profile->rp_config.profile,
sizeof(default_root_profile));
}
if (persist) {
persistent_allow_list();
// FIXME: use a new flag
ksu_mark_running_process();
}
if (persist)
persistent_allow_list();
return result;
return result;
}
bool __ksu_is_allow_uid(uid_t uid)
{
int i;
int i;
if (forbid_system_uid(uid)) {
// do not bother going through the list if it's system
return false;
}
if (unlikely(uid == 0)) {
// already root, but only allow our domain.
return is_ksu_domain();
}
if (likely(ksu_is_manager_uid_valid()) &&
unlikely(ksu_get_manager_uid() == uid)) {
// manager is always allowed!
return true;
}
if (forbid_system_uid(uid)) {
// do not bother going through the list if it's system
return false;
}
if (likely(uid <= BITMAP_UID_MAX)) {
return !!(allow_list_bitmap[uid / BITS_PER_BYTE] &
(1 << (uid % BITS_PER_BYTE)));
} else {
for (i = 0; i < allow_list_pointer; i++) {
if (allow_list_arr[i] == uid)
return true;
}
}
if (likely(ksu_is_manager_uid_valid()) && unlikely(ksu_get_manager_uid() == uid)) {
// manager is always allowed!
return true;
}
return false;
}
if (likely(uid <= BITMAP_UID_MAX)) {
return !!(allow_list_bitmap[uid / BITS_PER_BYTE] & (1 << (uid % BITS_PER_BYTE)));
} else {
for (i = 0; i < allow_list_pointer; i++) {
if (allow_list_arr[i] == uid)
return true;
}
}
bool __ksu_is_allow_uid_for_current(uid_t uid)
{
if (unlikely(uid == 0)) {
// already root, but only allow our domain.
return is_ksu_domain();
}
return __ksu_is_allow_uid(uid);
return false;
}
bool ksu_uid_should_umount(uid_t uid)
{
struct app_profile profile = { .current_uid = uid };
if (likely(ksu_is_manager_uid_valid()) &&
unlikely(ksu_get_manager_uid() == uid)) {
// we should not umount on manager!
return false;
}
bool found = ksu_get_app_profile(&profile);
if (!found) {
// no app profile found, it must be non root app
return default_non_root_profile.umount_modules;
}
if (profile.allow_su) {
// if found and it is granted to su, we shouldn't umount for it
return false;
} else {
// found an app profile
if (profile.nrp_config.use_default) {
return default_non_root_profile.umount_modules;
} else {
return profile.nrp_config.profile.umount_modules;
}
}
struct app_profile profile = { .current_uid = uid };
if (likely(ksu_is_manager_uid_valid()) && unlikely(ksu_get_manager_uid() == uid)) {
// we should not umount on manager!
return false;
}
bool found = ksu_get_app_profile(&profile);
if (!found) {
// no app profile found, it must be non root app
return default_non_root_profile.umount_modules;
}
if (profile.allow_su) {
// if found and it is granted to su, we shouldn't umount for it
return false;
} else {
// found an app profile
if (profile.nrp_config.use_default) {
return default_non_root_profile.umount_modules;
} else {
return profile.nrp_config.profile.umount_modules;
}
}
}
struct root_profile *ksu_get_root_profile(uid_t uid)
{
struct perm_data *p = NULL;
struct list_head *pos = NULL;
struct perm_data *p = NULL;
struct list_head *pos = NULL;
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
if (uid == p->profile.current_uid && p->profile.allow_su) {
if (!p->profile.rp_config.use_default) {
return &p->profile.rp_config.profile;
}
}
}
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
if (uid == p->profile.current_uid && p->profile.allow_su) {
if (!p->profile.rp_config.use_default) {
return &p->profile.rp_config.profile;
}
}
}
// use default profile
return &default_root_profile;
// use default profile
return &default_root_profile;
}
bool ksu_get_allow_list(int *array, int *length, bool allow)
{
struct perm_data *p = NULL;
struct list_head *pos = NULL;
int i = 0;
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
// pr_info("get_allow_list uid: %d allow: %d\n", p->uid, p->allow);
if (p->profile.allow_su == allow) {
array[i++] = p->profile.current_uid;
}
}
*length = i;
struct perm_data *p = NULL;
struct list_head *pos = NULL;
int i = 0;
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
// pr_info("get_allow_list uid: %d allow: %d\n", p->uid, p->allow);
if (p->profile.allow_su == allow) {
array[i++] = p->profile.current_uid;
}
}
*length = i;
return true;
return true;
}
static void do_persistent_allow_list(struct callback_head *_cb)
void do_save_allow_list(struct work_struct *work)
{
u32 magic = FILE_MAGIC;
u32 version = FILE_FORMAT_VERSION;
struct perm_data *p = NULL;
struct list_head *pos = NULL;
loff_t off = 0;
u32 magic = FILE_MAGIC;
u32 version = FILE_FORMAT_VERSION;
struct perm_data *p = NULL;
struct list_head *pos = NULL;
loff_t off = 0;
mutex_lock(&allowlist_mutex);
struct file *fp =
filp_open(KERNEL_SU_ALLOWLIST, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (IS_ERR(fp)) {
pr_err("save_allow_list create file failed: %ld\n", PTR_ERR(fp));
goto unlock;
}
struct file *fp =
ksu_filp_open_compat(KERNEL_SU_ALLOWLIST, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (IS_ERR(fp)) {
pr_err("save_allow_list create file failed: %ld\n", PTR_ERR(fp));
return;
}
// store magic and version
if (kernel_write(fp, &magic, sizeof(magic), &off) != sizeof(magic)) {
pr_err("save_allow_list write magic failed.\n");
goto close_file;
}
// store magic and version
if (ksu_kernel_write_compat(fp, &magic, sizeof(magic), &off) !=
sizeof(magic)) {
pr_err("save_allow_list write magic failed.\n");
goto exit;
}
if (kernel_write(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("save_allow_list write version failed.\n");
goto close_file;
}
if (ksu_kernel_write_compat(fp, &version, sizeof(version), &off) !=
sizeof(version)) {
pr_err("save_allow_list write version failed.\n");
goto exit;
}
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
pr_info("save allow list, name: %s uid :%d, allow: %d\n",
p->profile.key, p->profile.current_uid, p->profile.allow_su);
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
pr_info("save allow list, name: %s uid :%d, allow: %d\n",
p->profile.key, p->profile.current_uid,
p->profile.allow_su);
kernel_write(fp, &p->profile, sizeof(p->profile), &off);
}
close_file:
filp_close(fp, 0);
unlock:
mutex_unlock(&allowlist_mutex);
kfree(_cb);
}
void persistent_allow_list()
{
struct task_struct *tsk;
tsk = get_pid_task(find_vpid(1), PIDTYPE_PID);
if (!tsk) {
pr_err("save_allow_list find init task err\n");
return;
}
struct callback_head *cb =
kzalloc(sizeof(struct callback_head), GFP_KERNEL);
if (!cb) {
pr_err("save_allow_list alloc cb err\b");
goto put_task;
}
cb->func = do_persistent_allow_list;
task_work_add(tsk, cb, TWA_RESUME);
put_task:
put_task_struct(tsk);
}
void ksu_load_allow_list()
{
loff_t off = 0;
ssize_t ret = 0;
struct file *fp = NULL;
u32 magic;
u32 version;
#ifdef CONFIG_KSU_DEBUG
// always allow adb shell by default
ksu_grant_root_to_shell();
#endif
// load allowlist now!
fp = filp_open(KERNEL_SU_ALLOWLIST, O_RDONLY, 0);
if (IS_ERR(fp)) {
pr_err("load_allow_list open file failed: %ld\n", PTR_ERR(fp));
return;
}
// verify magic
if (kernel_read(fp, &magic, sizeof(magic), &off) != sizeof(magic) ||
magic != FILE_MAGIC) {
pr_err("allowlist file invalid: %d!\n", magic);
goto exit;
}
if (kernel_read(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("allowlist read version: %d failed\n", version);
goto exit;
}
pr_info("allowlist version: %d\n", version);
while (true) {
struct app_profile profile;
ret = kernel_read(fp, &profile, sizeof(profile), &off);
if (ret <= 0) {
pr_info("load_allow_list read err: %zd\n", ret);
break;
}
pr_info("load_allow_uid, name: %s, uid: %d, allow: %d\n", profile.key,
profile.current_uid, profile.allow_su);
ksu_set_app_profile(&profile, false);
}
ksu_kernel_write_compat(fp, &p->profile, sizeof(p->profile),
&off);
}
exit:
ksu_show_allow_list();
filp_close(fp, 0);
filp_close(fp, 0);
}
void ksu_prune_allowlist(bool (*is_uid_valid)(uid_t, char *, void *),
void *data)
void do_load_allow_list(struct work_struct *work)
{
struct perm_data *np = NULL;
struct perm_data *n = NULL;
loff_t off = 0;
ssize_t ret = 0;
struct file *fp = NULL;
u32 magic;
u32 version;
if (!ksu_boot_completed) {
pr_info("boot not completed, skip prune\n");
return;
}
#ifdef CONFIG_KSU_DEBUG
// always allow adb shell by default
ksu_grant_root_to_shell();
#endif
bool modified = false;
// TODO: use RCU!
mutex_lock(&allowlist_mutex);
list_for_each_entry_safe (np, n, &allow_list, list) {
uid_t uid = np->profile.current_uid;
char *package = np->profile.key;
// we use this uid for special cases, don't prune it!
bool is_preserved_uid = uid == KSU_APP_PROFILE_PRESERVE_UID;
if (!is_preserved_uid && !is_uid_valid(uid, package, data)) {
modified = true;
pr_info("prune uid: %d, package: %s\n", uid, package);
list_del(&np->list);
if (likely(uid <= BITMAP_UID_MAX)) {
allow_list_bitmap[uid / BITS_PER_BYTE] &=
~(1 << (uid % BITS_PER_BYTE));
}
remove_uid_from_arr(uid);
smp_mb();
kfree(np);
}
}
mutex_unlock(&allowlist_mutex);
// load allowlist now!
fp = ksu_filp_open_compat(KERNEL_SU_ALLOWLIST, O_RDONLY, 0);
if (IS_ERR(fp)) {
pr_err("load_allow_list open file failed: %ld\n", PTR_ERR(fp));
return;
}
if (modified) {
persistent_allow_list();
}
// verify magic
if (ksu_kernel_read_compat(fp, &magic, sizeof(magic), &off) !=
sizeof(magic) ||
magic != FILE_MAGIC) {
pr_err("allowlist file invalid: %d!\n", magic);
goto exit;
}
if (ksu_kernel_read_compat(fp, &version, sizeof(version), &off) !=
sizeof(version)) {
pr_err("allowlist read version: %d failed\n", version);
goto exit;
}
pr_info("allowlist version: %d\n", version);
while (true) {
struct app_profile profile;
ret = ksu_kernel_read_compat(fp, &profile, sizeof(profile),
&off);
if (ret <= 0) {
pr_info("load_allow_list read err: %zd\n", ret);
break;
}
pr_info("load_allow_uid, name: %s, uid: %d, allow: %d\n",
profile.key, profile.current_uid, profile.allow_su);
ksu_set_app_profile(&profile, false);
}
exit:
ksu_show_allow_list();
filp_close(fp, 0);
}
void ksu_prune_allowlist(bool (*is_uid_valid)(uid_t, char *, void *), void *data)
{
struct perm_data *np = NULL;
struct perm_data *n = NULL;
bool modified = false;
// TODO: use RCU!
mutex_lock(&allowlist_mutex);
list_for_each_entry_safe (np, n, &allow_list, list) {
uid_t uid = np->profile.current_uid;
char *package = np->profile.key;
// we use this uid for special cases, don't prune it!
bool is_preserved_uid = uid == KSU_APP_PROFILE_PRESERVE_UID;
if (!is_preserved_uid && !is_uid_valid(uid, package, data)) {
modified = true;
pr_info("prune uid: %d, package: %s\n", uid, package);
list_del(&np->list);
if (likely(uid <= BITMAP_UID_MAX)) {
allow_list_bitmap[uid / BITS_PER_BYTE] &= ~(1 << (uid % BITS_PER_BYTE));
}
remove_uid_from_arr(uid);
smp_mb();
kfree(np);
}
}
mutex_unlock(&allowlist_mutex);
if (modified) {
persistent_allow_list();
}
}
// make sure allow list works cross boot
bool persistent_allow_list(void)
{
return ksu_queue_work(&ksu_save_work);
}
bool ksu_load_allow_list(void)
{
return ksu_queue_work(&ksu_load_work);
}
void ksu_allowlist_init(void)
{
int i;
int i;
BUILD_BUG_ON(sizeof(allow_list_bitmap) != PAGE_SIZE);
BUILD_BUG_ON(sizeof(allow_list_arr) != PAGE_SIZE);
BUILD_BUG_ON(sizeof(allow_list_bitmap) != PAGE_SIZE);
BUILD_BUG_ON(sizeof(allow_list_arr) != PAGE_SIZE);
for (i = 0; i < ARRAY_SIZE(allow_list_arr); i++)
allow_list_arr[i] = -1;
for (i = 0; i < ARRAY_SIZE(allow_list_arr); i++)
allow_list_arr[i] = -1;
INIT_LIST_HEAD(&allow_list);
INIT_LIST_HEAD(&allow_list);
init_default_profiles();
INIT_WORK(&ksu_save_work, do_save_allow_list);
INIT_WORK(&ksu_load_work, do_load_allow_list);
init_default_profiles();
}
void ksu_allowlist_exit(void)
{
struct perm_data *np = NULL;
struct perm_data *n = NULL;
struct perm_data *np = NULL;
struct perm_data *n = NULL;
// free allowlist
mutex_lock(&allowlist_mutex);
list_for_each_entry_safe (np, n, &allow_list, list) {
list_del(&np->list);
kfree(np);
}
mutex_unlock(&allowlist_mutex);
do_save_allow_list(NULL);
// free allowlist
mutex_lock(&allowlist_mutex);
list_for_each_entry_safe (np, n, &allow_list, list) {
list_del(&np->list);
kfree(np);
}
mutex_unlock(&allowlist_mutex);
}
#ifdef CONFIG_KSU_MANUAL_SU
bool ksu_temp_grant_root_once(uid_t uid)
{
struct app_profile profile = {
.version = KSU_APP_PROFILE_VER,
.allow_su = true,
.current_uid = uid,
};
const char *default_key = "com.temp.once";
struct perm_data *p = NULL;
struct list_head *pos = NULL;
bool found = false;
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
if (p->profile.current_uid == uid) {
strcpy(profile.key, p->profile.key);
found = true;
break;
}
}
if (!found) {
strcpy(profile.key, default_key);
}
profile.rp_config.profile.uid = default_root_profile.uid;
profile.rp_config.profile.gid = default_root_profile.gid;
profile.rp_config.profile.groups_count = default_root_profile.groups_count;
memcpy(profile.rp_config.profile.groups, default_root_profile.groups, sizeof(default_root_profile.groups));
memcpy(&profile.rp_config.profile.capabilities, &default_root_profile.capabilities, sizeof(default_root_profile.capabilities));
profile.rp_config.profile.namespaces = default_root_profile.namespaces;
strcpy(profile.rp_config.profile.selinux_domain, default_root_profile.selinux_domain);
bool ok = ksu_set_app_profile(&profile, false);
if (ok)
pr_info("pending_root: UID=%d granted and persisted\n", uid);
return ok;
}
void ksu_temp_revoke_root_once(uid_t uid)
{
struct app_profile profile = {
.version = KSU_APP_PROFILE_VER,
.allow_su = false,
.current_uid = uid,
};
const char *default_key = "com.temp.once";
struct perm_data *p = NULL;
struct list_head *pos = NULL;
bool found = false;
list_for_each (pos, &allow_list) {
p = list_entry(pos, struct perm_data, list);
if (p->profile.current_uid == uid) {
strcpy(profile.key, p->profile.key);
found = true;
break;
}
}
if (!found) {
strcpy(profile.key, default_key);
}
profile.nrp_config.profile.umount_modules = default_non_root_profile.umount_modules;
strcpy(profile.rp_config.profile.selinux_domain, KSU_DEFAULT_SELINUX_DOMAIN);
ksu_set_app_profile(&profile, false);
persistent_allow_list();
pr_info("pending_root: UID=%d removed and persist updated\n", uid);
}
#endif

View File

@@ -2,31 +2,19 @@
#define __KSU_H_ALLOWLIST
#include <linux/types.h>
#include <linux/uidgid.h>
#include "app_profile.h"
#define PER_USER_RANGE 100000
#define FIRST_APPLICATION_UID 10000
#define LAST_APPLICATION_UID 19999
#define FIRST_ISOLATED_UID 99000
#define LAST_ISOLATED_UID 99999
#include "ksu.h"
void ksu_allowlist_init(void);
void ksu_allowlist_exit(void);
void ksu_load_allow_list(void);
bool ksu_load_allow_list(void);
void ksu_show_allow_list(void);
// Check if the uid is in allow list
bool __ksu_is_allow_uid(uid_t uid);
#define ksu_is_allow_uid(uid) unlikely(__ksu_is_allow_uid(uid))
// Check if the uid is in allow list, or current is ksu domain root
bool __ksu_is_allow_uid_for_current(uid_t uid);
#define ksu_is_allow_uid_for_current(uid) unlikely(__ksu_is_allow_uid_for_current(uid))
bool ksu_get_allow_list(int *array, int *length, bool allow);
void ksu_prune_allowlist(bool (*is_uid_exist)(uid_t, char *, void *), void *data);
@@ -36,22 +24,4 @@ bool ksu_set_app_profile(struct app_profile *, bool persist);
bool ksu_uid_should_umount(uid_t uid);
struct root_profile *ksu_get_root_profile(uid_t uid);
static inline bool is_appuid(uid_t uid)
{
uid_t appid = uid % PER_USER_RANGE;
return appid >= FIRST_APPLICATION_UID && appid <= LAST_APPLICATION_UID;
}
static inline bool is_isolated_process(uid_t uid)
{
uid_t appid = uid % PER_USER_RANGE;
return appid >= FIRST_ISOLATED_UID && appid <= LAST_ISOLATED_UID;
}
#ifdef CONFIG_KSU_MANUAL_SU
bool ksu_temp_grant_root_once(uid_t uid);
void ksu_temp_revoke_root_once(uid_t uid);
#endif
#endif

View File

@@ -15,375 +15,329 @@
#endif
#include "apk_sign.h"
#include "dynamic_manager.h"
#include "dynamic_sign.h"
#include "klog.h" // IWYU pragma: keep
#include "kernel_compat.h"
#include "manager_sign.h"
struct sdesc {
struct shash_desc shash;
char ctx[];
struct shash_desc shash;
char ctx[];
};
static apk_sign_key_t apk_sign_keys[] = {
{EXPECTED_SIZE_SHIRKNEKO, EXPECTED_HASH_SHIRKNEKO}, // ShirkNeko/SukiSU
static struct apk_sign_key {
unsigned size;
const char *sha256;
} apk_sign_keys[] = {
{EXPECTED_SIZE_SHIRKNEKO, EXPECTED_HASH_SHIRKNEKO}, // ShirkNeko/SukiSU
{EXPECTED_SIZE_OTHER, EXPECTED_HASH_OTHER}, // Dynamic Sign
#ifdef EXPECTED_SIZE
{EXPECTED_SIZE, EXPECTED_HASH}, // Custom
{EXPECTED_SIZE, EXPECTED_HASH}, // Custom
#endif
};
static struct sdesc *init_sdesc(struct crypto_shash *alg)
{
struct sdesc *sdesc;
int size;
struct sdesc *sdesc;
int size;
size = sizeof(struct shash_desc) + crypto_shash_descsize(alg);
sdesc = kzalloc(size, GFP_KERNEL);
if (!sdesc)
return ERR_PTR(-ENOMEM);
sdesc->shash.tfm = alg;
return sdesc;
size = sizeof(struct shash_desc) + crypto_shash_descsize(alg);
sdesc = kmalloc(size, GFP_KERNEL);
if (!sdesc)
return ERR_PTR(-ENOMEM);
sdesc->shash.tfm = alg;
return sdesc;
}
static int calc_hash(struct crypto_shash *alg, const unsigned char *data,
unsigned int datalen, unsigned char *digest)
unsigned int datalen, unsigned char *digest)
{
struct sdesc *sdesc;
int ret;
struct sdesc *sdesc;
int ret;
sdesc = init_sdesc(alg);
if (IS_ERR(sdesc)) {
pr_info("can't alloc sdesc\n");
return PTR_ERR(sdesc);
}
sdesc = init_sdesc(alg);
if (IS_ERR(sdesc)) {
pr_info("can't alloc sdesc\n");
return PTR_ERR(sdesc);
}
ret = crypto_shash_digest(&sdesc->shash, data, datalen, digest);
kfree(sdesc);
return ret;
ret = crypto_shash_digest(&sdesc->shash, data, datalen, digest);
kfree(sdesc);
return ret;
}
static int ksu_sha256(const unsigned char *data, unsigned int datalen,
unsigned char *digest)
unsigned char *digest)
{
struct crypto_shash *alg;
char *hash_alg_name = "sha256";
int ret;
struct crypto_shash *alg;
char *hash_alg_name = "sha256";
int ret;
alg = crypto_alloc_shash(hash_alg_name, 0, 0);
if (IS_ERR(alg)) {
pr_info("can't alloc alg %s\n", hash_alg_name);
return PTR_ERR(alg);
}
ret = calc_hash(alg, data, datalen, digest);
crypto_free_shash(alg);
return ret;
alg = crypto_alloc_shash(hash_alg_name, 0, 0);
if (IS_ERR(alg)) {
pr_info("can't alloc alg %s\n", hash_alg_name);
return PTR_ERR(alg);
}
ret = calc_hash(alg, data, datalen, digest);
crypto_free_shash(alg);
return ret;
}
static struct dynamic_sign_key dynamic_sign = DYNAMIC_SIGN_DEFAULT_CONFIG;
static bool check_dynamic_sign(struct file *fp, u32 size4, loff_t *pos, int *matched_index)
{
struct dynamic_sign_key current_dynamic_key = dynamic_sign;
if (ksu_get_dynamic_manager_config(&current_dynamic_key.size, &current_dynamic_key.hash)) {
pr_debug("Using dynamic manager config: size=0x%x, hash=%.16s...\n",
current_dynamic_key.size, current_dynamic_key.hash);
}
if (size4 != current_dynamic_key.size) {
return false;
}
#define CERT_MAX_LENGTH 1024
char cert[CERT_MAX_LENGTH];
if (size4 > CERT_MAX_LENGTH) {
pr_info("cert length overlimit\n");
return false;
}
kernel_read(fp, cert, size4, pos);
unsigned char digest[SHA256_DIGEST_SIZE];
if (ksu_sha256(cert, size4, digest) < 0) {
pr_info("sha256 error\n");
return false;
}
char hash_str[SHA256_DIGEST_SIZE * 2 + 1];
hash_str[SHA256_DIGEST_SIZE * 2] = '\0';
bin2hex(hash_str, digest, SHA256_DIGEST_SIZE);
pr_info("sha256: %s, expected: %s, index: dynamic\n", hash_str, current_dynamic_key.hash);
if (strcmp(current_dynamic_key.hash, hash_str) == 0) {
if (matched_index) {
*matched_index = DYNAMIC_SIGN_INDEX;
}
return true;
}
return false;
}
static bool check_block(struct file *fp, u32 *size4, loff_t *pos, u32 *offset, int *matched_index)
{
int i;
apk_sign_key_t sign_key;
bool signature_valid = false;
int i;
struct apk_sign_key sign_key;
bool signature_valid = false;
kernel_read(fp, size4, 0x4, pos); // signer-sequence length
kernel_read(fp, size4, 0x4, pos); // signer length
kernel_read(fp, size4, 0x4, pos); // signed data length
ksu_kernel_read_compat(fp, size4, 0x4, pos); // signer-sequence length
ksu_kernel_read_compat(fp, size4, 0x4, pos); // signer length
ksu_kernel_read_compat(fp, size4, 0x4, pos); // signed data length
*offset += 0x4 * 3;
*offset += 0x4 * 3;
kernel_read(fp, size4, 0x4, pos); // digests-sequence length
ksu_kernel_read_compat(fp, size4, 0x4, pos); // digests-sequence length
*pos += *size4;
*offset += 0x4 + *size4;
*pos += *size4;
*offset += 0x4 + *size4;
kernel_read(fp, size4, 0x4, pos); // certificates length
kernel_read(fp, size4, 0x4, pos); // certificate length
*offset += 0x4 * 2;
ksu_kernel_read_compat(fp, size4, 0x4, pos); // certificates length
ksu_kernel_read_compat(fp, size4, 0x4, pos); // certificate length
*offset += 0x4 * 2;
if (ksu_is_dynamic_manager_enabled()) {
loff_t temp_pos = *pos;
if (check_dynamic_sign(fp, *size4, &temp_pos, matched_index)) {
*pos = temp_pos;
*offset += *size4;
return true;
}
}
for (i = 0; i < ARRAY_SIZE(apk_sign_keys); i++) {
sign_key = apk_sign_keys[i];
for (i = 0; i < ARRAY_SIZE(apk_sign_keys); i++) {
sign_key = apk_sign_keys[i];
if (i == 1) { // Dynamic Sign indexing
unsigned int size;
const char *hash;
if (ksu_get_dynamic_sign_config(&size, &hash)) {
sign_key.size = size;
sign_key.sha256 = hash;
}
}
if (*size4 != sign_key.size)
continue;
*offset += *size4;
if (*size4 != sign_key.size)
continue;
*offset += *size4;
#define CERT_MAX_LENGTH 1024
char cert[CERT_MAX_LENGTH];
if (*size4 > CERT_MAX_LENGTH) {
pr_info("cert length overlimit\n");
return false;
}
kernel_read(fp, cert, *size4, pos);
unsigned char digest[SHA256_DIGEST_SIZE];
if (ksu_sha256(cert, *size4, digest) < 0 ) {
pr_info("sha256 error\n");
return false;
}
char cert[CERT_MAX_LENGTH];
if (*size4 > CERT_MAX_LENGTH) {
pr_info("cert length overlimit\n");
return false;
}
ksu_kernel_read_compat(fp, cert, *size4, pos);
unsigned char digest[SHA256_DIGEST_SIZE];
if (IS_ERR(ksu_sha256(cert, *size4, digest))) {
pr_info("sha256 error\n");
return false;
}
char hash_str[SHA256_DIGEST_SIZE * 2 + 1];
hash_str[SHA256_DIGEST_SIZE * 2] = '\0';
char hash_str[SHA256_DIGEST_SIZE * 2 + 1];
hash_str[SHA256_DIGEST_SIZE * 2] = '\0';
bin2hex(hash_str, digest, SHA256_DIGEST_SIZE);
pr_info("sha256: %s, expected: %s, index: %d\n", hash_str, sign_key.sha256, i);
bin2hex(hash_str, digest, SHA256_DIGEST_SIZE);
pr_info("sha256: %s, expected: %s, index: %d\n", hash_str, sign_key.sha256, i);
if (strcmp(sign_key.sha256, hash_str) == 0) {
signature_valid = true;
if (matched_index) {
*matched_index = i;
}
break;
}
}
return signature_valid;
if (strcmp(sign_key.sha256, hash_str) == 0) {
signature_valid = true;
if (matched_index) {
*matched_index = i;
}
break;
}
}
return signature_valid;
}
struct zip_entry_header {
uint32_t signature;
uint16_t version;
uint16_t flags;
uint16_t compression;
uint16_t mod_time;
uint16_t mod_date;
uint32_t crc32;
uint32_t compressed_size;
uint32_t uncompressed_size;
uint16_t file_name_length;
uint16_t extra_field_length;
uint32_t signature;
uint16_t version;
uint16_t flags;
uint16_t compression;
uint16_t mod_time;
uint16_t mod_date;
uint32_t crc32;
uint32_t compressed_size;
uint32_t uncompressed_size;
uint16_t file_name_length;
uint16_t extra_field_length;
} __attribute__((packed));
// This is a necessary but not sufficient condition, but it is enough for us
static bool has_v1_signature_file(struct file *fp)
{
struct zip_entry_header header;
const char MANIFEST[] = "META-INF/MANIFEST.MF";
struct zip_entry_header header;
const char MANIFEST[] = "META-INF/MANIFEST.MF";
loff_t pos = 0;
loff_t pos = 0;
while (kernel_read(fp, &header,
sizeof(struct zip_entry_header), &pos) ==
sizeof(struct zip_entry_header)) {
if (header.signature != 0x04034b50) {
// ZIP magic: 'PK'
return false;
}
// Read the entry file name
if (header.file_name_length == sizeof(MANIFEST) - 1) {
char fileName[sizeof(MANIFEST)];
kernel_read(fp, fileName,
header.file_name_length, &pos);
fileName[header.file_name_length] = '\0';
while (ksu_kernel_read_compat(fp, &header,
sizeof(struct zip_entry_header), &pos) ==
sizeof(struct zip_entry_header)) {
if (header.signature != 0x04034b50) {
// ZIP magic: 'PK'
return false;
}
// Read the entry file name
if (header.file_name_length == sizeof(MANIFEST) - 1) {
char fileName[sizeof(MANIFEST)];
ksu_kernel_read_compat(fp, fileName,
header.file_name_length, &pos);
fileName[header.file_name_length] = '\0';
// Check if the entry matches META-INF/MANIFEST.MF
if (strncmp(MANIFEST, fileName, sizeof(MANIFEST) - 1) ==
0) {
return true;
}
} else {
// Skip the entry file name
pos += header.file_name_length;
}
// Check if the entry matches META-INF/MANIFEST.MF
if (strncmp(MANIFEST, fileName, sizeof(MANIFEST) - 1) == 0) {
return true;
}
} else {
// Skip the entry file name
pos += header.file_name_length;
}
// Skip to the next entry
pos += header.extra_field_length + header.compressed_size;
}
// Skip to the next entry
pos += header.extra_field_length + header.compressed_size;
}
return false;
return false;
}
static __always_inline bool check_v2_signature(char *path, bool check_multi_manager, int *signature_index)
{
unsigned char buffer[0x11] = { 0 };
u32 size4;
u64 size8, size_of_block;
unsigned char buffer[0x11] = { 0 };
u32 size4;
u64 size8, size_of_block;
loff_t pos;
bool v2_signing_valid = false;
int v2_signing_blocks = 0;
bool v3_signing_exist = false;
bool v3_1_signing_exist = false;
int matched_index = -1;
int i;
struct file *fp = ksu_filp_open_compat(path, O_RDONLY, 0);
if (IS_ERR(fp)) {
pr_err("open %s error.\n", path);
return false;
}
loff_t pos;
// If you want to check for multi-manager APK signing, but dynamic signing is not enabled, skip
if (check_multi_manager && !ksu_is_dynamic_sign_enabled()) {
filp_close(fp, 0);
return 0;
}
bool v2_signing_valid = false;
int v2_signing_blocks = 0;
bool v3_signing_exist = false;
bool v3_1_signing_exist = false;
int matched_index = -1;
int i;
struct file *fp = filp_open(path, O_RDONLY, 0);
if (IS_ERR(fp)) {
pr_err("open %s error.\n", path);
return false;
}
// disable inotify for this file
fp->f_mode |= FMODE_NONOTIFY;
// If you want to check for multi-manager APK signing, but dynamic managering is not enabled, skip
if (check_multi_manager && !ksu_is_dynamic_manager_enabled()) {
filp_close(fp, 0);
return 0;
}
// https://en.wikipedia.org/wiki/Zip_(file_format)#End_of_central_directory_record_(EOCD)
for (i = 0;; ++i) {
unsigned short n;
pos = generic_file_llseek(fp, -i - 2, SEEK_END);
ksu_kernel_read_compat(fp, &n, 2, &pos);
if (n == i) {
pos -= 22;
ksu_kernel_read_compat(fp, &size4, 4, &pos);
if ((size4 ^ 0xcafebabeu) == 0xccfbf1eeu) {
break;
}
}
if (i == 0xffff) {
pr_info("error: cannot find eocd\n");
goto clean;
}
}
// disable inotify for this file
fp->f_mode |= FMODE_NONOTIFY;
pos += 12;
// offset
ksu_kernel_read_compat(fp, &size4, 0x4, &pos);
pos = size4 - 0x18;
// https://en.wikipedia.org/wiki/Zip_(file_format)#End_of_central_directory_record_(EOCD)
for (i = 0;; ++i) {
unsigned short n;
pos = generic_file_llseek(fp, -i - 2, SEEK_END);
kernel_read(fp, &n, 2, &pos);
if (n == i) {
pos -= 22;
kernel_read(fp, &size4, 4, &pos);
if ((size4 ^ 0xcafebabeu) == 0xccfbf1eeu) {
break;
}
}
if (i == 0xffff) {
pr_info("error: cannot find eocd\n");
goto clean;
}
}
ksu_kernel_read_compat(fp, &size8, 0x8, &pos);
ksu_kernel_read_compat(fp, buffer, 0x10, &pos);
if (strcmp((char *)buffer, "APK Sig Block 42")) {
goto clean;
}
pos += 12;
// offset
kernel_read(fp, &size4, 0x4, &pos);
pos = size4 - 0x18;
pos = size4 - (size8 + 0x8);
ksu_kernel_read_compat(fp, &size_of_block, 0x8, &pos);
if (size_of_block != size8) {
goto clean;
}
kernel_read(fp, &size8, 0x8, &pos);
kernel_read(fp, buffer, 0x10, &pos);
if (strcmp((char *)buffer, "APK Sig Block 42")) {
goto clean;
}
pos = size4 - (size8 + 0x8);
kernel_read(fp, &size_of_block, 0x8, &pos);
if (size_of_block != size8) {
goto clean;
}
int loop_count = 0;
while (loop_count++ < 10) {
uint32_t id;
uint32_t offset;
kernel_read(fp, &size8, 0x8,
&pos); // sequence length
if (size8 == size_of_block) {
break;
}
kernel_read(fp, &id, 0x4, &pos); // id
offset = 4;
if (id == 0x7109871au) {
v2_signing_blocks++;
bool result = check_block(fp, &size4, &pos, &offset, &matched_index);
if (result) {
v2_signing_valid = true;
}
} else if (id == 0xf05368c0u) {
// http://aospxref.com/android-14.0.0_r2/xref/frameworks/base/core/java/android/util/apk/ApkSignatureSchemeV3Verifier.java#73
v3_signing_exist = true;
} else if (id == 0x1b93ad61u) {
// http://aospxref.com/android-14.0.0_r2/xref/frameworks/base/core/java/android/util/apk/ApkSignatureSchemeV3Verifier.java#74
v3_1_signing_exist = true;
} else {
int loop_count = 0;
while (loop_count++ < 10) {
uint32_t id;
uint32_t offset;
ksu_kernel_read_compat(fp, &size8, 0x8,
&pos); // sequence length
if (size8 == size_of_block) {
break;
}
ksu_kernel_read_compat(fp, &id, 0x4, &pos); // id
offset = 4;
if (id == 0x7109871au) {
v2_signing_blocks++;
bool result = check_block(fp, &size4, &pos, &offset, &matched_index);
if (result) {
v2_signing_valid = true;
}
} else if (id == 0xf05368c0u) {
// http://aospxref.com/android-14.0.0_r2/xref/frameworks/base/core/java/android/util/apk/ApkSignatureSchemeV3Verifier.java#73
v3_signing_exist = true;
} else if (id == 0x1b93ad61u) {
// http://aospxref.com/android-14.0.0_r2/xref/frameworks/base/core/java/android/util/apk/ApkSignatureSchemeV3Verifier.java#74
v3_1_signing_exist = true;
} else {
#ifdef CONFIG_KSU_DEBUG
pr_info("Unknown id: 0x%08x\n", id);
pr_info("Unknown id: 0x%08x\n", id);
#endif
}
pos += (size8 - offset);
}
}
pos += (size8 - offset);
}
if (v2_signing_blocks != 1) {
if (v2_signing_blocks != 1) {
#ifdef CONFIG_KSU_DEBUG
pr_err("Unexpected v2 signature count: %d\n",
v2_signing_blocks);
pr_err("Unexpected v2 signature count: %d\n",
v2_signing_blocks);
#endif
v2_signing_valid = false;
}
v2_signing_valid = false;
}
if (v2_signing_valid) {
int has_v1_signing = has_v1_signature_file(fp);
if (has_v1_signing) {
pr_err("Unexpected v1 signature scheme found!\n");
filp_close(fp, 0);
return false;
}
}
if (v2_signing_valid) {
int has_v1_signing = has_v1_signature_file(fp);
if (has_v1_signing) {
pr_err("Unexpected v1 signature scheme found!\n");
filp_close(fp, 0);
return false;
}
}
clean:
filp_close(fp, 0);
filp_close(fp, 0);
if (v3_signing_exist || v3_1_signing_exist) {
if (v3_signing_exist || v3_1_signing_exist) {
#ifdef CONFIG_KSU_DEBUG
pr_err("Unexpected v3 signature scheme found!\n");
pr_err("Unexpected v3 signature scheme found!\n");
#endif
return false;
}
return false;
}
if (v2_signing_valid) {
if (signature_index) {
*signature_index = matched_index;
}
if (v2_signing_valid) {
if (signature_index) {
*signature_index = matched_index;
}
if (check_multi_manager) {
// 0: ShirkNeko/SukiSU, DYNAMIC_SIGN_INDEX : Dynamic Sign
if (matched_index == 0 || matched_index == DYNAMIC_SIGN_INDEX) {
pr_info("Multi-manager APK detected (dynamic_manager enabled): signature_index=%d\n", matched_index);
return true;
}
return false;
} else {
// Common manager check: any valid signature will do
return true;
}
}
return false;
if (check_multi_manager) {
// 0: ShirkNeko/SukiSU, 1: Dynamic Sign
if (matched_index == 0 || matched_index == 1) {
pr_info("Multi-manager APK detected (dynamic_sign enabled): signature_index=%d\n", matched_index);
return true;
}
return false;
} else {
// Common manager check: any valid signature will do
return true;
}
}
return false;
}
#ifdef CONFIG_KSU_DEBUG
@@ -394,19 +348,19 @@ int ksu_debug_manager_uid = -1;
static int set_expected_size(const char *val, const struct kernel_param *kp)
{
int rv = param_set_uint(val, kp);
ksu_set_manager_uid(ksu_debug_manager_uid);
pr_info("ksu_manager_uid set to %d\n", ksu_debug_manager_uid);
return rv;
int rv = param_set_uint(val, kp);
ksu_set_manager_uid(ksu_debug_manager_uid);
pr_info("ksu_manager_uid set to %d\n", ksu_debug_manager_uid);
return rv;
}
static struct kernel_param_ops expected_size_ops = {
.set = set_expected_size,
.get = param_get_uint,
.set = set_expected_size,
.get = param_get_uint,
};
module_param_cb(ksu_debug_manager_uid, &expected_size_ops,
&ksu_debug_manager_uid, S_IRUSR | S_IWUSR);
&ksu_debug_manager_uid, S_IRUSR | S_IWUSR);
#endif
@@ -415,7 +369,7 @@ bool is_manager_apk(char *path)
return check_v2_signature(path, false, NULL);
}
bool is_dynamic_manager_apk(char *path, int *signature_index)
bool ksu_is_multi_manager_apk(char *path, int *signature_index)
{
return check_v2_signature(path, true, signature_index);
}

View File

@@ -6,6 +6,4 @@
bool is_manager_apk(char *path);
bool is_dynamic_manager_apk(char *path, int *signature_index);
#endif

View File

@@ -1,303 +0,0 @@
#include <linux/capability.h>
#include <linux/cred.h>
#include <linux/sched.h>
#include <linux/sched/signal.h>
#include <linux/seccomp.h>
#include <linux/thread_info.h>
#include <linux/uidgid.h>
#include <linux/version.h>
#include "objsec.h"
#include "allowlist.h"
#include "app_profile.h"
#include "klog.h" // IWYU pragma: keep
#include "selinux/selinux.h"
#include "syscall_hook_manager.h"
#include "sucompat.h"
#include "sulog.h"
#if LINUX_VERSION_CODE >= KERNEL_VERSION (6, 7, 0)
static struct group_info root_groups = { .usage = REFCOUNT_INIT(2), };
#else
static struct group_info root_groups = { .usage = ATOMIC_INIT(2) };
#endif
static void setup_groups(struct root_profile *profile, struct cred *cred)
{
if (profile->groups_count > KSU_MAX_GROUPS) {
pr_warn("Failed to setgroups, too large group: %d!\n",
profile->uid);
return;
}
if (profile->groups_count == 1 && profile->groups[0] == 0) {
// setgroup to root and return early.
if (cred->group_info)
put_group_info(cred->group_info);
cred->group_info = get_group_info(&root_groups);
return;
}
u32 ngroups = profile->groups_count;
struct group_info *group_info = groups_alloc(ngroups);
if (!group_info) {
pr_warn("Failed to setgroups, ENOMEM for: %d\n", profile->uid);
return;
}
int i;
for (i = 0; i < ngroups; i++) {
gid_t gid = profile->groups[i];
kgid_t kgid = make_kgid(current_user_ns(), gid);
if (!gid_valid(kgid)) {
pr_warn("Failed to setgroups, invalid gid: %d\n", gid);
put_group_info(group_info);
return;
}
group_info->gid[i] = kgid;
}
groups_sort(group_info);
set_groups(cred, group_info);
put_group_info(group_info);
}
void disable_seccomp(void)
{
assert_spin_locked(&current->sighand->siglock);
// disable seccomp
#if defined(CONFIG_GENERIC_ENTRY) && \
LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
clear_syscall_work(SECCOMP);
#else
clear_thread_flag(TIF_SECCOMP);
#endif
#ifdef CONFIG_SECCOMP
current->seccomp.mode = 0;
current->seccomp.filter = NULL;
atomic_set(&current->seccomp.filter_count, 0);
#else
#endif
}
void escape_with_root_profile(void)
{
struct cred *cred;
struct task_struct *p = current;
struct task_struct *t;
cred = prepare_creds();
if (!cred) {
pr_warn("prepare_creds failed!\n");
return;
}
if (cred->euid.val == 0) {
pr_warn("Already root, don't escape!\n");
#if __SULOG_GATE
ksu_sulog_report_su_grant(current_euid().val, NULL, "escape_to_root_failed");
#endif
abort_creds(cred);
return;
}
struct root_profile *profile = ksu_get_root_profile(cred->uid.val);
cred->uid.val = profile->uid;
cred->suid.val = profile->uid;
cred->euid.val = profile->uid;
cred->fsuid.val = profile->uid;
cred->gid.val = profile->gid;
cred->fsgid.val = profile->gid;
cred->sgid.val = profile->gid;
cred->egid.val = profile->gid;
cred->securebits = 0;
BUILD_BUG_ON(sizeof(profile->capabilities.effective) !=
sizeof(kernel_cap_t));
// setup capabilities
// we need CAP_DAC_READ_SEARCH becuase `/data/adb/ksud` is not accessible for non root process
// we add it here but don't add it to cap_inhertiable, it would be dropped automaticly after exec!
u64 cap_for_ksud =
profile->capabilities.effective | CAP_DAC_READ_SEARCH;
memcpy(&cred->cap_effective, &cap_for_ksud,
sizeof(cred->cap_effective));
memcpy(&cred->cap_permitted, &profile->capabilities.effective,
sizeof(cred->cap_permitted));
memcpy(&cred->cap_bset, &profile->capabilities.effective,
sizeof(cred->cap_bset));
setup_groups(profile, cred);
commit_creds(cred);
// Refer to kernel/seccomp.c: seccomp_set_mode_strict
// When disabling Seccomp, ensure that current->sighand->siglock is held during the operation.
spin_lock_irq(&current->sighand->siglock);
disable_seccomp();
spin_unlock_irq(&current->sighand->siglock);
setup_selinux(profile->selinux_domain);
#if __SULOG_GATE
ksu_sulog_report_su_grant(current_euid().val, NULL, "escape_to_root");
#endif
for_each_thread (p, t) {
ksu_set_task_tracepoint_flag(t);
}
}
#ifdef CONFIG_KSU_MANUAL_SU
#include "ksud.h"
#ifndef DEVPTS_SUPER_MAGIC
#define DEVPTS_SUPER_MAGIC 0x1cd1
#endif
static int __manual_su_handle_devpts(struct inode *inode)
{
if (!current->mm) {
return 0;
}
uid_t uid = current_uid().val;
if (uid % 100000 < 10000) {
// not untrusted_app, ignore it
return 0;
}
if (likely(!ksu_is_allow_uid_for_current(uid)))
return 0;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 1, 0) || defined(KSU_OPTIONAL_SELINUX_INODE)
struct inode_security_struct *sec = selinux_inode(inode);
#else
struct inode_security_struct *sec =
(struct inode_security_struct *)inode->i_security;
#endif
if (ksu_file_sid && sec)
sec->sid = ksu_file_sid;
return 0;
}
static void disable_seccomp_for_task(struct task_struct *tsk)
{
assert_spin_locked(&tsk->sighand->siglock);
#ifdef CONFIG_SECCOMP
if (tsk->seccomp.mode == SECCOMP_MODE_DISABLED && !tsk->seccomp.filter)
return;
#endif
clear_tsk_thread_flag(tsk, TIF_SECCOMP);
#ifdef CONFIG_SECCOMP
tsk->seccomp.mode = SECCOMP_MODE_DISABLED;
if (tsk->seccomp.filter) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)
seccomp_filter_release(tsk);
#else
put_seccomp_filter(tsk);
tsk->seccomp.filter = NULL;
#endif
}
#endif
}
void escape_to_root_for_cmd_su(uid_t target_uid, pid_t target_pid)
{
struct cred *newcreds;
struct task_struct *target_task;
unsigned long flags;
struct task_struct *p = current;
struct task_struct *t;
pr_info("cmd_su: escape_to_root_for_cmd_su called for UID: %d, PID: %d\n", target_uid, target_pid);
// Find target task by PID
rcu_read_lock();
target_task = pid_task(find_vpid(target_pid), PIDTYPE_PID);
if (!target_task) {
rcu_read_unlock();
pr_err("cmd_su: target task not found for PID: %d\n", target_pid);
#if __SULOG_GATE
ksu_sulog_report_su_grant(target_uid, "cmd_su", "target_not_found");
#endif
return;
}
get_task_struct(target_task);
rcu_read_unlock();
if (task_uid(target_task).val == 0) {
pr_warn("cmd_su: target task is already root, PID: %d\n", target_pid);
put_task_struct(target_task);
return;
}
newcreds = prepare_kernel_cred(target_task);
if (newcreds == NULL) {
pr_err("cmd_su: failed to allocate new cred for PID: %d\n", target_pid);
#if __SULOG_GATE
ksu_sulog_report_su_grant(target_uid, "cmd_su", "cred_alloc_failed");
#endif
put_task_struct(target_task);
return;
}
struct root_profile *profile = ksu_get_root_profile(target_uid);
newcreds->uid.val = profile->uid;
newcreds->suid.val = profile->uid;
newcreds->euid.val = profile->uid;
newcreds->fsuid.val = profile->uid;
newcreds->gid.val = profile->gid;
newcreds->fsgid.val = profile->gid;
newcreds->sgid.val = profile->gid;
newcreds->egid.val = profile->gid;
newcreds->securebits = 0;
u64 cap_for_cmd_su = profile->capabilities.effective | CAP_DAC_READ_SEARCH | CAP_SETUID | CAP_SETGID;
memcpy(&newcreds->cap_effective, &cap_for_cmd_su, sizeof(newcreds->cap_effective));
memcpy(&newcreds->cap_permitted, &profile->capabilities.effective, sizeof(newcreds->cap_permitted));
memcpy(&newcreds->cap_bset, &profile->capabilities.effective, sizeof(newcreds->cap_bset));
setup_groups(profile, newcreds);
task_lock(target_task);
const struct cred *old_creds = get_task_cred(target_task);
rcu_assign_pointer(target_task->real_cred, newcreds);
rcu_assign_pointer(target_task->cred, get_cred(newcreds));
task_unlock(target_task);
if (target_task->sighand) {
spin_lock_irqsave(&target_task->sighand->siglock, flags);
disable_seccomp_for_task(target_task);
spin_unlock_irqrestore(&target_task->sighand->siglock, flags);
}
setup_selinux(profile->selinux_domain);
put_cred(old_creds);
wake_up_process(target_task);
if (target_task->signal->tty) {
struct inode *inode = target_task->signal->tty->driver_data;
if (inode && inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) {
__manual_su_handle_devpts(inode);
}
}
put_task_struct(target_task);
#if __SULOG_GATE
ksu_sulog_report_su_grant(target_uid, "cmd_su", "manual_escalation");
#endif
for_each_thread (p, t) {
ksu_set_task_tracepoint_flag(t);
}
pr_info("cmd_su: privilege escalation completed for UID: %d, PID: %d\n", target_uid, target_pid);
}
#endif

View File

@@ -1,70 +0,0 @@
#ifndef __KSU_H_APP_PROFILE
#define __KSU_H_APP_PROFILE
#include <linux/types.h>
// Forward declarations
struct cred;
#define KSU_APP_PROFILE_VER 2
#define KSU_MAX_PACKAGE_NAME 256
// NGROUPS_MAX for Linux is 65535 generally, but we only supports 32 groups.
#define KSU_MAX_GROUPS 32
#define KSU_SELINUX_DOMAIN 64
struct root_profile {
int32_t uid;
int32_t gid;
int32_t groups_count;
int32_t groups[KSU_MAX_GROUPS];
// kernel_cap_t is u32[2] for capabilities v3
struct {
u64 effective;
u64 permitted;
u64 inheritable;
} capabilities;
char selinux_domain[KSU_SELINUX_DOMAIN];
int32_t namespaces;
};
struct non_root_profile {
bool umount_modules;
};
struct app_profile {
// It may be utilized for backward compatibility, although we have never explicitly made any promises regarding this.
u32 version;
// this is usually the package of the app, but can be other value for special apps
char key[KSU_MAX_PACKAGE_NAME];
int32_t current_uid;
bool allow_su;
union {
struct {
bool use_default;
char template_name[KSU_MAX_PACKAGE_NAME];
struct root_profile profile;
} rp_config;
struct {
bool use_default;
struct non_root_profile profile;
} nrp_config;
};
};
// Escalate current process to root with the appropriate profile
void escape_with_root_profile(void);
void escape_to_root_for_cmd_su(uid_t target_uid, pid_t target_pid);
void disable_seccomp(void);
#endif

View File

@@ -18,8 +18,10 @@
#define __PT_SP_REG sp
#define __PT_IP_REG pc
#define REBOOT_SYMBOL "__arm64_sys_reboot"
#define PRCTL_SYMBOL "__arm64_sys_prctl"
#define SYS_READ_SYMBOL "__arm64_sys_read"
#define SYS_NEWFSTATAT_SYMBOL "__arm64_sys_newfstatat"
#define SYS_FACCESSAT_SYMBOL "__arm64_sys_faccessat"
#define SYS_EXECVE_SYMBOL "__arm64_sys_execve"
#elif defined(__x86_64__)
@@ -37,8 +39,10 @@
#define __PT_RC_REG ax
#define __PT_SP_REG sp
#define __PT_IP_REG ip
#define REBOOT_SYMBOL "__x64_sys_reboot"
#define PRCTL_SYMBOL "__x64_sys_prctl"
#define SYS_READ_SYMBOL "__x64_sys_read"
#define SYS_NEWFSTATAT_SYMBOL "__x64_sys_newfstatat"
#define SYS_FACCESSAT_SYMBOL "__x64_sys_faccessat"
#define SYS_EXECVE_SYMBOL "__x64_sys_execve"
#else

1037
kernel/core_hook.c Normal file

File diff suppressed because it is too large Load Diff

10
kernel/core_hook.h Normal file
View File

@@ -0,0 +1,10 @@
#ifndef __KSU_H_KSU_CORE
#define __KSU_H_KSU_CORE
#include <linux/init.h>
#include "apk_sign.h"
void __init ksu_core_init(void);
void ksu_core_exit(void);
#endif

View File

@@ -1,51 +0,0 @@
#ifndef __KSU_H_DYNAMIC_MANAGER
#define __KSU_H_DYNAMIC_MANAGER
#include <linux/types.h>
#include "ksu.h"
#define DYNAMIC_MANAGER_FILE_MAGIC 0x7f445347 // 'DSG', u32
#define DYNAMIC_MANAGER_FILE_VERSION 1 // u32
#define KERNEL_SU_DYNAMIC_MANAGER "/data/adb/ksu/.dynamic_manager"
#define DYNAMIC_SIGN_INDEX 100
struct dynamic_sign_key {
unsigned int size;
const char *hash;
};
#define DYNAMIC_SIGN_DEFAULT_CONFIG { \
.size = 0x300, \
.hash = "0000000000000000000000000000000000000000000000000000000000000000" \
}
struct dynamic_manager_config {
unsigned int size;
char hash[65];
int is_set;
};
struct manager_info {
uid_t uid;
int signature_index;
bool is_active;
};
// Dynamic sign operations
void ksu_dynamic_manager_init(void);
void ksu_dynamic_manager_exit(void);
int ksu_handle_dynamic_manager(struct dynamic_manager_user_config *config);
bool ksu_load_dynamic_manager(void);
bool ksu_is_dynamic_manager_enabled(void);
// Multi-manager operations
void ksu_add_manager(uid_t uid, int signature_index);
void ksu_remove_manager(uid_t uid);
bool ksu_is_any_manager(uid_t uid);
int ksu_get_manager_signature_index(uid_t uid);
int ksu_get_active_managers(struct manager_list_info *info);
// Configuration access for signature verification
bool ksu_get_dynamic_manager_config(unsigned int *size, const char **hash);
#endif

View File

@@ -15,14 +15,15 @@
#include <crypto/sha.h>
#endif
#include "dynamic_manager.h"
#include "dynamic_sign.h"
#include "klog.h" // IWYU pragma: keep
#include "kernel_compat.h"
#include "manager.h"
#define MAX_MANAGERS 2
// Dynamic sign configuration
static struct dynamic_manager_config dynamic_manager = {
static struct dynamic_sign_config dynamic_sign = {
.size = 0x300,
.hash = "0000000000000000000000000000000000000000000000000000000000000000",
.is_set = 0
@@ -31,21 +32,21 @@ static struct dynamic_manager_config dynamic_manager = {
// Multi-manager state
static struct manager_info active_managers[MAX_MANAGERS];
static DEFINE_SPINLOCK(managers_lock);
static DEFINE_SPINLOCK(dynamic_manager_lock);
static DEFINE_SPINLOCK(dynamic_sign_lock);
// Work queues for persistent storage
static struct work_struct save_dynamic_manager_work;
static struct work_struct load_dynamic_manager_work;
static struct work_struct clear_dynamic_manager_work;
static struct work_struct ksu_save_dynamic_sign_work;
static struct work_struct ksu_load_dynamic_sign_work;
static struct work_struct ksu_clear_dynamic_sign_work;
bool ksu_is_dynamic_manager_enabled(void)
bool ksu_is_dynamic_sign_enabled(void)
{
unsigned long flags;
bool enabled;
spin_lock_irqsave(&dynamic_manager_lock, flags);
enabled = dynamic_manager.is_set;
spin_unlock_irqrestore(&dynamic_manager_lock, flags);
spin_lock_irqsave(&dynamic_sign_lock, flags);
enabled = dynamic_sign.is_set;
spin_unlock_irqrestore(&dynamic_sign_lock, flags);
return enabled;
}
@@ -55,7 +56,7 @@ void ksu_add_manager(uid_t uid, int signature_index)
unsigned long flags;
int i;
if (!ksu_is_dynamic_manager_enabled()) {
if (!ksu_is_dynamic_sign_enabled()) {
pr_info("Dynamic sign not enabled, skipping multi-manager add\n");
return;
}
@@ -93,7 +94,7 @@ void ksu_remove_manager(uid_t uid)
unsigned long flags;
int i;
if (!ksu_is_dynamic_manager_enabled()) {
if (!ksu_is_dynamic_sign_enabled()) {
return;
}
@@ -116,7 +117,7 @@ bool ksu_is_any_manager(uid_t uid)
bool is_manager = false;
int i;
if (!ksu_is_dynamic_manager_enabled()) {
if (!ksu_is_dynamic_sign_enabled()) {
return false;
}
@@ -141,10 +142,10 @@ int ksu_get_manager_signature_index(uid_t uid)
// Check traditional manager first
if (ksu_manager_uid != KSU_INVALID_UID && uid == ksu_manager_uid) {
return DYNAMIC_SIGN_INDEX;
return 1;
}
if (!ksu_is_dynamic_manager_enabled()) {
if (!ksu_is_dynamic_sign_enabled()) {
return -1;
}
@@ -196,7 +197,7 @@ int ksu_get_active_managers(struct manager_list_info *info)
}
// Add dynamic managers
if (ksu_is_dynamic_manager_enabled()) {
if (ksu_is_dynamic_sign_enabled()) {
spin_lock_irqsave(&managers_lock, flags);
for (i = 0; i < MAX_MANAGERS && count < 2; i++) {
@@ -214,42 +215,42 @@ int ksu_get_active_managers(struct manager_list_info *info)
return 0;
}
static void do_save_dynamic_manager(struct work_struct *work)
static void do_save_dynamic_sign(struct work_struct *work)
{
u32 magic = DYNAMIC_MANAGER_FILE_MAGIC;
u32 version = DYNAMIC_MANAGER_FILE_VERSION;
struct dynamic_manager_config config_to_save;
u32 magic = DYNAMIC_SIGN_FILE_MAGIC;
u32 version = DYNAMIC_SIGN_FILE_VERSION;
struct dynamic_sign_config config_to_save;
loff_t off = 0;
unsigned long flags;
struct file *fp;
spin_lock_irqsave(&dynamic_manager_lock, flags);
config_to_save = dynamic_manager;
spin_unlock_irqrestore(&dynamic_manager_lock, flags);
spin_lock_irqsave(&dynamic_sign_lock, flags);
config_to_save = dynamic_sign;
spin_unlock_irqrestore(&dynamic_sign_lock, flags);
if (!config_to_save.is_set) {
pr_info("Dynamic sign config not set, skipping save\n");
return;
}
fp = filp_open(KERNEL_SU_DYNAMIC_MANAGER, O_WRONLY | O_CREAT | O_TRUNC, 0644);
fp = ksu_filp_open_compat(KERNEL_SU_DYNAMIC_SIGN, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (IS_ERR(fp)) {
pr_err("save_dynamic_manager create file failed: %ld\n", PTR_ERR(fp));
pr_err("save_dynamic_sign create file failed: %ld\n", PTR_ERR(fp));
return;
}
if (kernel_write(fp, &magic, sizeof(magic), &off) != sizeof(magic)) {
pr_err("save_dynamic_manager write magic failed.\n");
if (ksu_kernel_write_compat(fp, &magic, sizeof(magic), &off) != sizeof(magic)) {
pr_err("save_dynamic_sign write magic failed.\n");
goto exit;
}
if (kernel_write(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("save_dynamic_manager write version failed.\n");
if (ksu_kernel_write_compat(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("save_dynamic_sign write version failed.\n");
goto exit;
}
if (kernel_write(fp, &config_to_save, sizeof(config_to_save), &off) != sizeof(config_to_save)) {
pr_err("save_dynamic_manager write config failed.\n");
if (ksu_kernel_write_compat(fp, &config_to_save, sizeof(config_to_save), &off) != sizeof(config_to_save)) {
pr_err("save_dynamic_sign write config failed.\n");
goto exit;
}
@@ -259,48 +260,48 @@ exit:
filp_close(fp, 0);
}
static void do_load_dynamic_manager(struct work_struct *work)
static void do_load_dynamic_sign(struct work_struct *work)
{
loff_t off = 0;
ssize_t ret = 0;
struct file *fp = NULL;
u32 magic;
u32 version;
struct dynamic_manager_config loaded_config;
struct dynamic_sign_config loaded_config;
unsigned long flags;
int i;
fp = filp_open(KERNEL_SU_DYNAMIC_MANAGER, O_RDONLY, 0);
fp = ksu_filp_open_compat(KERNEL_SU_DYNAMIC_SIGN, O_RDONLY, 0);
if (IS_ERR(fp)) {
if (PTR_ERR(fp) == -ENOENT) {
pr_info("No saved dynamic manager config found\n");
pr_info("No saved dynamic sign config found\n");
} else {
pr_err("load_dynamic_manager open file failed: %ld\n", PTR_ERR(fp));
pr_err("load_dynamic_sign open file failed: %ld\n", PTR_ERR(fp));
}
return;
}
if (kernel_read(fp, &magic, sizeof(magic), &off) != sizeof(magic) ||
magic != DYNAMIC_MANAGER_FILE_MAGIC) {
pr_err("dynamic manager file invalid magic: %x!\n", magic);
if (ksu_kernel_read_compat(fp, &magic, sizeof(magic), &off) != sizeof(magic) ||
magic != DYNAMIC_SIGN_FILE_MAGIC) {
pr_err("dynamic sign file invalid magic: %x!\n", magic);
goto exit;
}
if (kernel_read(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("dynamic manager read version failed\n");
if (ksu_kernel_read_compat(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("dynamic sign read version failed\n");
goto exit;
}
pr_info("dynamic manager file version: %d\n", version);
pr_info("dynamic sign file version: %d\n", version);
ret = kernel_read(fp, &loaded_config, sizeof(loaded_config), &off);
ret = ksu_kernel_read_compat(fp, &loaded_config, sizeof(loaded_config), &off);
if (ret <= 0) {
pr_info("load_dynamic_manager read err: %zd\n", ret);
pr_info("load_dynamic_sign read err: %zd\n", ret);
goto exit;
}
if (ret != sizeof(loaded_config)) {
pr_err("load_dynamic_manager read incomplete config: %zd/%zu\n", ret, sizeof(loaded_config));
pr_err("load_dynamic_sign read incomplete config: %zd/%zu\n", ret, sizeof(loaded_config));
goto exit;
}
@@ -323,9 +324,9 @@ static void do_load_dynamic_manager(struct work_struct *work)
}
}
spin_lock_irqsave(&dynamic_manager_lock, flags);
dynamic_manager = loaded_config;
spin_unlock_irqrestore(&dynamic_manager_lock, flags);
spin_lock_irqsave(&dynamic_sign_lock, flags);
dynamic_sign = loaded_config;
spin_unlock_irqrestore(&dynamic_sign_lock, flags);
pr_info("Dynamic sign config loaded: size=0x%x, hash=%.16s...\n",
loaded_config.size, loaded_config.hash);
@@ -334,12 +335,12 @@ exit:
filp_close(fp, 0);
}
static bool persistent_dynamic_manager(void)
static bool persistent_dynamic_sign(void)
{
return ksu_queue_work(&save_dynamic_manager_work);
return ksu_queue_work(&ksu_save_dynamic_sign_work);
}
static void do_clear_dynamic_manager(struct work_struct *work)
static void do_clear_dynamic_sign(struct work_struct *work)
{
loff_t off = 0;
struct file *fp;
@@ -347,15 +348,15 @@ static void do_clear_dynamic_manager(struct work_struct *work)
memset(zero_buffer, 0, sizeof(zero_buffer));
fp = filp_open(KERNEL_SU_DYNAMIC_MANAGER, O_WRONLY | O_CREAT | O_TRUNC, 0644);
fp = ksu_filp_open_compat(KERNEL_SU_DYNAMIC_SIGN, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (IS_ERR(fp)) {
pr_err("clear_dynamic_manager create file failed: %ld\n", PTR_ERR(fp));
pr_err("clear_dynamic_sign create file failed: %ld\n", PTR_ERR(fp));
return;
}
// Write null bytes to overwrite the file content
if (kernel_write(fp, zero_buffer, sizeof(zero_buffer), &off) != sizeof(zero_buffer)) {
pr_err("clear_dynamic_manager write null bytes failed.\n");
if (ksu_kernel_write_compat(fp, zero_buffer, sizeof(zero_buffer), &off) != sizeof(zero_buffer)) {
pr_err("clear_dynamic_sign write null bytes failed.\n");
} else {
pr_info("Dynamic sign config file cleared successfully\n");
}
@@ -363,12 +364,12 @@ static void do_clear_dynamic_manager(struct work_struct *work)
filp_close(fp, 0);
}
static bool clear_dynamic_manager_file(void)
static bool clear_dynamic_sign_file(void)
{
return ksu_queue_work(&clear_dynamic_manager_work);
return ksu_queue_work(&ksu_clear_dynamic_sign_work);
}
int ksu_handle_dynamic_manager(struct dynamic_manager_user_config *config)
int ksu_handle_dynamic_sign(struct dynamic_sign_user_config *config)
{
unsigned long flags;
int ret = 0;
@@ -379,7 +380,7 @@ int ksu_handle_dynamic_manager(struct dynamic_manager_user_config *config)
}
switch (config->operation) {
case DYNAMIC_MANAGER_OP_SET:
case DYNAMIC_SIGN_OP_SET:
if (config->size < 0x100 || config->size > 0x1000) {
pr_err("invalid size: 0x%x\n", config->size);
return -EINVAL;
@@ -399,106 +400,106 @@ int ksu_handle_dynamic_manager(struct dynamic_manager_user_config *config)
}
}
spin_lock_irqsave(&dynamic_manager_lock, flags);
dynamic_manager.size = config->size;
spin_lock_irqsave(&dynamic_sign_lock, flags);
dynamic_sign.size = config->size;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)
strscpy(dynamic_manager.hash, config->hash, sizeof(dynamic_manager.hash));
strscpy(dynamic_sign.hash, config->hash, sizeof(dynamic_sign.hash));
#else
strlcpy(dynamic_manager.hash, config->hash, sizeof(dynamic_manager.hash));
strlcpy(dynamic_sign.hash, config->hash, sizeof(dynamic_sign.hash));
#endif
dynamic_manager.is_set = 1;
spin_unlock_irqrestore(&dynamic_manager_lock, flags);
dynamic_sign.is_set = 1;
spin_unlock_irqrestore(&dynamic_sign_lock, flags);
persistent_dynamic_manager();
pr_info("dynamic manager updated: size=0x%x, hash=%.16s... (multi-manager enabled)\n",
persistent_dynamic_sign();
pr_info("dynamic sign updated: size=0x%x, hash=%.16s... (multi-manager enabled)\n",
config->size, config->hash);
break;
case DYNAMIC_MANAGER_OP_GET:
spin_lock_irqsave(&dynamic_manager_lock, flags);
if (dynamic_manager.is_set) {
config->size = dynamic_manager.size;
case DYNAMIC_SIGN_OP_GET:
spin_lock_irqsave(&dynamic_sign_lock, flags);
if (dynamic_sign.is_set) {
config->size = dynamic_sign.size;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)
strscpy(config->hash, dynamic_manager.hash, sizeof(config->hash));
strscpy(config->hash, dynamic_sign.hash, sizeof(config->hash));
#else
strlcpy(config->hash, dynamic_manager.hash, sizeof(config->hash));
strlcpy(config->hash, dynamic_sign.hash, sizeof(config->hash));
#endif
ret = 0;
} else {
ret = -ENODATA;
}
spin_unlock_irqrestore(&dynamic_manager_lock, flags);
spin_unlock_irqrestore(&dynamic_sign_lock, flags);
break;
case DYNAMIC_MANAGER_OP_CLEAR:
spin_lock_irqsave(&dynamic_manager_lock, flags);
dynamic_manager.size = 0x300;
strcpy(dynamic_manager.hash, "0000000000000000000000000000000000000000000000000000000000000000");
dynamic_manager.is_set = 0;
spin_unlock_irqrestore(&dynamic_manager_lock, flags);
case DYNAMIC_SIGN_OP_CLEAR:
spin_lock_irqsave(&dynamic_sign_lock, flags);
dynamic_sign.size = 0x300;
strcpy(dynamic_sign.hash, "0000000000000000000000000000000000000000000000000000000000000000");
dynamic_sign.is_set = 0;
spin_unlock_irqrestore(&dynamic_sign_lock, flags);
// Clear only dynamic managers, preserve default manager
clear_dynamic_manager();
// Clear file using the same method as save
clear_dynamic_manager_file();
clear_dynamic_sign_file();
pr_info("Dynamic sign config cleared (multi-manager disabled)\n");
break;
default:
pr_err("Invalid dynamic manager operation: %d\n", config->operation);
pr_err("Invalid dynamic sign operation: %d\n", config->operation);
return -EINVAL;
}
return ret;
}
bool ksu_load_dynamic_manager(void)
bool ksu_load_dynamic_sign(void)
{
return ksu_queue_work(&load_dynamic_manager_work);
return ksu_queue_work(&ksu_load_dynamic_sign_work);
}
void ksu_dynamic_manager_init(void)
void ksu_dynamic_sign_init(void)
{
int i;
INIT_WORK(&save_dynamic_manager_work, do_save_dynamic_manager);
INIT_WORK(&load_dynamic_manager_work, do_load_dynamic_manager);
INIT_WORK(&clear_dynamic_manager_work, do_clear_dynamic_manager);
INIT_WORK(&ksu_save_dynamic_sign_work, do_save_dynamic_sign);
INIT_WORK(&ksu_load_dynamic_sign_work, do_load_dynamic_sign);
INIT_WORK(&ksu_clear_dynamic_sign_work, do_clear_dynamic_sign);
// Initialize manager slots
for (i = 0; i < MAX_MANAGERS; i++) {
active_managers[i].is_active = false;
}
ksu_load_dynamic_manager();
ksu_load_dynamic_sign();
pr_info("Dynamic sign initialized with conditional multi-manager support\n");
}
void ksu_dynamic_manager_exit(void)
void ksu_dynamic_sign_exit(void)
{
clear_dynamic_manager();
// Save current config before exit
do_save_dynamic_manager(NULL);
do_save_dynamic_sign(NULL);
pr_info("Dynamic sign exited with persistent storage\n");
}
// Get dynamic manager configuration for signature verification
bool ksu_get_dynamic_manager_config(unsigned int *size, const char **hash)
// Get dynamic sign configuration for signature verification
bool ksu_get_dynamic_sign_config(unsigned int *size, const char **hash)
{
unsigned long flags;
bool valid = false;
spin_lock_irqsave(&dynamic_manager_lock, flags);
if (dynamic_manager.is_set) {
if (size) *size = dynamic_manager.size;
if (hash) *hash = dynamic_manager.hash;
spin_lock_irqsave(&dynamic_sign_lock, flags);
if (dynamic_sign.is_set) {
if (size) *size = dynamic_sign.size;
if (hash) *hash = dynamic_sign.hash;
valid = true;
}
spin_unlock_irqrestore(&dynamic_manager_lock, flags);
spin_unlock_irqrestore(&dynamic_sign_lock, flags);
return valid;
}

43
kernel/dynamic_sign.h Normal file
View File

@@ -0,0 +1,43 @@
#ifndef __KSU_H_DYNAMIC_SIGN
#define __KSU_H_DYNAMIC_SIGN
#include <linux/types.h>
#include "ksu.h"
#define DYNAMIC_SIGN_FILE_MAGIC 0x7f445347 // 'DSG', u32
#define DYNAMIC_SIGN_FILE_VERSION 1 // u32
#define KERNEL_SU_DYNAMIC_SIGN "/data/adb/ksu/.dynamic_sign"
struct dynamic_sign_config {
unsigned int size;
char hash[65];
int is_set;
};
struct manager_info {
uid_t uid;
int signature_index;
bool is_active;
};
// Dynamic sign operations
int ksu_handle_dynamic_sign(struct dynamic_sign_user_config *config);
void ksu_dynamic_sign_init(void);
void ksu_dynamic_sign_exit(void);
bool ksu_load_dynamic_sign(void);
bool ksu_is_dynamic_sign_enabled(void);
// Multi-manager operations
void ksu_add_manager(uid_t uid, int signature_index);
void ksu_remove_manager(uid_t uid);
bool ksu_is_any_manager(uid_t uid);
int ksu_get_manager_signature_index(uid_t uid);
int ksu_get_active_managers(struct manager_list_info *info);
// Multi-manager APK verification
bool ksu_is_multi_manager_apk(char *path, int *signature_index);
// Configuration access for signature verification
bool ksu_get_dynamic_sign_config(unsigned int *size, const char **hash);
#endif

View File

@@ -1,173 +0,0 @@
#include "feature.h"
#include "klog.h" // IWYU pragma: keep
#include <linux/mutex.h>
static const struct ksu_feature_handler *feature_handlers[KSU_FEATURE_MAX];
static DEFINE_MUTEX(feature_mutex);
int ksu_register_feature_handler(const struct ksu_feature_handler *handler)
{
if (!handler) {
pr_err("feature: register handler is NULL\n");
return -EINVAL;
}
if (handler->feature_id >= KSU_FEATURE_MAX) {
pr_err("feature: invalid feature_id %u\n", handler->feature_id);
return -EINVAL;
}
if (!handler->get_handler && !handler->set_handler) {
pr_err("feature: no handler provided for feature %u\n", handler->feature_id);
return -EINVAL;
}
mutex_lock(&feature_mutex);
if (feature_handlers[handler->feature_id]) {
pr_warn("feature: handler for %u already registered, overwriting\n",
handler->feature_id);
}
feature_handlers[handler->feature_id] = handler;
pr_info("feature: registered handler for %s (id=%u)\n",
handler->name ? handler->name : "unknown", handler->feature_id);
mutex_unlock(&feature_mutex);
return 0;
}
int ksu_unregister_feature_handler(u32 feature_id)
{
int ret = 0;
if (feature_id >= KSU_FEATURE_MAX) {
pr_err("feature: invalid feature_id %u\n", feature_id);
return -EINVAL;
}
mutex_lock(&feature_mutex);
if (!feature_handlers[feature_id]) {
pr_warn("feature: no handler registered for %u\n", feature_id);
ret = -ENOENT;
goto out;
}
feature_handlers[feature_id] = NULL;
pr_info("feature: unregistered handler for id=%u\n", feature_id);
out:
mutex_unlock(&feature_mutex);
return ret;
}
int ksu_get_feature(u32 feature_id, u64 *value, bool *supported)
{
int ret = 0;
const struct ksu_feature_handler *handler;
if (feature_id >= KSU_FEATURE_MAX) {
pr_err("feature: invalid feature_id %u\n", feature_id);
return -EINVAL;
}
if (!value || !supported) {
pr_err("feature: invalid parameters\n");
return -EINVAL;
}
mutex_lock(&feature_mutex);
handler = feature_handlers[feature_id];
if (!handler) {
*supported = false;
*value = 0;
pr_debug("feature: feature %u not supported\n", feature_id);
goto out;
}
*supported = true;
if (!handler->get_handler) {
pr_warn("feature: no get_handler for feature %u\n", feature_id);
ret = -EOPNOTSUPP;
goto out;
}
ret = handler->get_handler(value);
if (ret) {
pr_err("feature: get_handler for %u failed: %d\n", feature_id, ret);
}
out:
mutex_unlock(&feature_mutex);
return ret;
}
int ksu_set_feature(u32 feature_id, u64 value)
{
int ret = 0;
const struct ksu_feature_handler *handler;
if (feature_id >= KSU_FEATURE_MAX) {
pr_err("feature: invalid feature_id %u\n", feature_id);
return -EINVAL;
}
mutex_lock(&feature_mutex);
handler = feature_handlers[feature_id];
if (!handler) {
pr_err("feature: feature %u not registered\n", feature_id);
ret = -EOPNOTSUPP;
goto out;
}
if (!handler->set_handler) {
pr_warn("feature: no set_handler for feature %u\n", feature_id);
ret = -EOPNOTSUPP;
goto out;
}
ret = handler->set_handler(value);
if (ret) {
pr_err("feature: set_handler for %u failed: %d\n", feature_id, ret);
}
out:
mutex_unlock(&feature_mutex);
return ret;
}
void ksu_feature_init(void)
{
int i;
for (i = 0; i < KSU_FEATURE_MAX; i++) {
feature_handlers[i] = NULL;
}
pr_info("feature: feature management initialized\n");
}
void ksu_feature_exit(void)
{
int i;
mutex_lock(&feature_mutex);
for (i = 0; i < KSU_FEATURE_MAX; i++) {
feature_handlers[i] = NULL;
}
mutex_unlock(&feature_mutex);
pr_info("feature: feature management cleaned up\n");
}

View File

@@ -1,37 +0,0 @@
#ifndef __KSU_H_FEATURE
#define __KSU_H_FEATURE
#include <linux/types.h>
enum ksu_feature_id {
KSU_FEATURE_SU_COMPAT = 0,
KSU_FEATURE_KERNEL_UMOUNT = 1,
KSU_FEATURE_ENHANCED_SECURITY = 2,
KSU_FEATURE_SULOG = 3,
KSU_FEATURE_MAX
};
typedef int (*ksu_feature_get_t)(u64 *value);
typedef int (*ksu_feature_set_t)(u64 value);
struct ksu_feature_handler {
u32 feature_id;
const char *name;
ksu_feature_get_t get_handler;
ksu_feature_set_t set_handler;
};
int ksu_register_feature_handler(const struct ksu_feature_handler *handler);
int ksu_unregister_feature_handler(u32 feature_id);
int ksu_get_feature(u32 feature_id, u64 *value, bool *supported);
int ksu_set_feature(u32 feature_id, u64 value);
void ksu_feature_init(void);
void ksu_feature_exit(void);
#endif // __KSU_H_FEATURE

View File

@@ -1,341 +0,0 @@
#include <linux/export.h>
#include <linux/anon_inodes.h>
#include <linux/capability.h>
#include <linux/cred.h>
#include <linux/err.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/version.h>
#include "klog.h" // IWYU pragma: keep
#include "selinux/selinux.h"
#include "file_wrapper.h"
static loff_t ksu_wrapper_llseek(struct file *fp, loff_t off, int flags) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->llseek(data->orig, off, flags);
}
static ssize_t ksu_wrapper_read(struct file *fp, char __user *ptr, size_t sz, loff_t *off) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->read(orig, ptr, sz, off);
}
static ssize_t ksu_wrapper_write(struct file *fp, const char __user *ptr, size_t sz, loff_t *off) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->write(orig, ptr, sz, off);
}
static ssize_t ksu_wrapper_read_iter(struct kiocb *iocb, struct iov_iter *iovi) {
struct ksu_file_wrapper* data = iocb->ki_filp->private_data;
struct file* orig = data->orig;
iocb->ki_filp = orig;
return orig->f_op->read_iter(iocb, iovi);
}
static ssize_t ksu_wrapper_write_iter(struct kiocb *iocb, struct iov_iter *iovi) {
struct ksu_file_wrapper* data = iocb->ki_filp->private_data;
struct file* orig = data->orig;
iocb->ki_filp = orig;
return orig->f_op->write_iter(iocb, iovi);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0)
static int ksu_wrapper_iopoll(struct kiocb *kiocb, struct io_comp_batch* icb, unsigned int v) {
struct ksu_file_wrapper* data = kiocb->ki_filp->private_data;
struct file* orig = data->orig;
kiocb->ki_filp = orig;
return orig->f_op->iopoll(kiocb, icb, v);
}
#else
static int ksu_wrapper_iopoll(struct kiocb *kiocb, bool spin) {
struct ksu_file_wrapper* data = kiocb->ki_filp->private_data;
struct file* orig = data->orig;
kiocb->ki_filp = orig;
return orig->f_op->iopoll(kiocb, spin);
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 6, 0)
static int ksu_wrapper_iterate (struct file *fp, struct dir_context *dc) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->iterate(orig, dc);
}
#endif
static int ksu_wrapper_iterate_shared(struct file *fp, struct dir_context *dc) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->iterate_shared(orig, dc);
}
static __poll_t ksu_wrapper_poll(struct file *fp, struct poll_table_struct *pts) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->poll(orig, pts);
}
static long ksu_wrapper_unlocked_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->unlocked_ioctl(orig, cmd, arg);
}
static long ksu_wrapper_compat_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->compat_ioctl(orig, cmd, arg);
}
static int ksu_wrapper_mmap(struct file *fp, struct vm_area_struct * vma) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->mmap(orig, vma);
}
// static unsigned long mmap_supported_flags {}
static int ksu_wrapper_open(struct inode *ino, struct file *fp) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
struct inode *orig_ino = file_inode(orig);
return orig->f_op->open(orig_ino, orig);
}
static int ksu_wrapper_flush(struct file *fp, fl_owner_t id) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->flush(orig, id);
}
static int ksu_wrapper_fsync(struct file *fp, loff_t off1, loff_t off2, int datasync) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->fsync(orig, off1, off2, datasync);
}
static int ksu_wrapper_fasync(int arg, struct file *fp, int arg2) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->fasync(arg, orig, arg2);
}
static int ksu_wrapper_lock(struct file *fp, int arg1, struct file_lock *fl) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
return orig->f_op->lock(orig, arg1, fl);
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 6, 0)
static ssize_t ksu_wrapper_sendpage(struct file *fp, struct page *pg, int arg1, size_t sz, loff_t *off, int arg2) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->sendpage) {
return orig->f_op->sendpage(orig, pg, arg1, sz, off, arg2);
}
return -EINVAL;
}
#endif
static unsigned long ksu_wrapper_get_unmapped_area(struct file *fp, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->get_unmapped_area) {
return orig->f_op->get_unmapped_area(orig, arg1, arg2, arg3, arg4);
}
return -EINVAL;
}
// static int ksu_wrapper_check_flags(int arg) {}
static int ksu_wrapper_flock(struct file *fp, int arg1, struct file_lock *fl) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->flock) {
return orig->f_op->flock(orig, arg1, fl);
}
return -EINVAL;
}
static ssize_t ksu_wrapper_splice_write(struct pipe_inode_info * pii, struct file *fp, loff_t *off, size_t sz, unsigned int arg1) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->splice_write) {
return orig->f_op->splice_write(pii, orig, off, sz, arg1);
}
return -EINVAL;
}
static ssize_t ksu_wrapper_splice_read(struct file *fp, loff_t *off, struct pipe_inode_info *pii, size_t sz, unsigned int arg1) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->splice_read) {
return orig->f_op->splice_read(orig, off, pii, sz, arg1);
}
return -EINVAL;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 6, 0)
void ksu_wrapper_splice_eof(struct file *fp) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->splice_eof) {
return orig->f_op->splice_eof(orig);
}
}
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 12, 0)
static int ksu_wrapper_setlease(struct file *fp, int arg1, struct file_lease **fl, void **p) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->setlease) {
return orig->f_op->setlease(orig, arg1, fl, p);
}
return -EINVAL;
}
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(6, 6, 0)
static int ksu_wrapper_setlease(struct file *fp, int arg1, struct file_lock **fl, void **p) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->setlease) {
return orig->f_op->setlease(orig, arg1, fl, p);
}
return -EINVAL;
}
#else
static int ksu_wrapper_setlease(struct file *fp, long arg1, struct file_lock **fl, void **p) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->setlease) {
return orig->f_op->setlease(orig, arg1, fl, p);
}
return -EINVAL;
}
#endif
static long ksu_wrapper_fallocate(struct file *fp, int mode, loff_t offset, loff_t len) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->fallocate) {
return orig->f_op->fallocate(orig, mode, offset, len);
}
return -EINVAL;
}
static void ksu_wrapper_show_fdinfo(struct seq_file *m, struct file *f) {
struct ksu_file_wrapper* data = f->private_data;
struct file* orig = data->orig;
if (orig->f_op->show_fdinfo) {
orig->f_op->show_fdinfo(m, orig);
}
}
static ssize_t ksu_wrapper_copy_file_range(struct file *f1, loff_t off1, struct file *f2,
loff_t off2, size_t sz, unsigned int flags) {
// TODO: determine which file to use
struct ksu_file_wrapper* data = f1->private_data;
struct file* orig = data->orig;
if (orig->f_op->copy_file_range) {
return orig->f_op->copy_file_range(orig, off1, f2, off2, sz, flags);
}
return -EINVAL;
}
static loff_t ksu_wrapper_remap_file_range(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
loff_t len, unsigned int remap_flags) {
// TODO: determine which file to use
struct ksu_file_wrapper* data = file_in->private_data;
struct file* orig = data->orig;
if (orig->f_op->remap_file_range) {
return orig->f_op->remap_file_range(orig, pos_in, file_out, pos_out, len, remap_flags);
}
return -EINVAL;
}
static int ksu_wrapper_fadvise(struct file *fp, loff_t off1, loff_t off2, int flags) {
struct ksu_file_wrapper* data = fp->private_data;
struct file* orig = data->orig;
if (orig->f_op->fadvise) {
return orig->f_op->fadvise(orig, off1, off2, flags);
}
return -EINVAL;
}
static int ksu_wrapper_release(struct inode *inode, struct file *filp) {
ksu_delete_file_wrapper(filp->private_data);
return 0;
}
struct ksu_file_wrapper* ksu_create_file_wrapper(struct file* fp) {
struct ksu_file_wrapper* p = kcalloc(sizeof(struct ksu_file_wrapper), 1, GFP_KERNEL);
if (!p) {
return NULL;
}
get_file(fp);
p->orig = fp;
p->ops.owner = THIS_MODULE;
p->ops.llseek = fp->f_op->llseek ? ksu_wrapper_llseek : NULL;
p->ops.read = fp->f_op->read ? ksu_wrapper_read : NULL;
p->ops.write = fp->f_op->write ? ksu_wrapper_write : NULL;
p->ops.read_iter = fp->f_op->read_iter ? ksu_wrapper_read_iter : NULL;
p->ops.write_iter = fp->f_op->write_iter ? ksu_wrapper_write_iter : NULL;
p->ops.iopoll = fp->f_op->iopoll ? ksu_wrapper_iopoll : NULL;
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 6, 0)
p->ops.iterate = fp->f_op->iterate ? ksu_wrapper_iterate : NULL;
#endif
p->ops.iterate_shared = fp->f_op->iterate_shared ? ksu_wrapper_iterate_shared : NULL;
p->ops.poll = fp->f_op->poll ? ksu_wrapper_poll : NULL;
p->ops.unlocked_ioctl = fp->f_op->unlocked_ioctl ? ksu_wrapper_unlocked_ioctl : NULL;
p->ops.compat_ioctl = fp->f_op->compat_ioctl ? ksu_wrapper_compat_ioctl : NULL;
p->ops.mmap = fp->f_op->mmap ? ksu_wrapper_mmap : NULL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 12, 0)
p->ops.fop_flags = fp->f_op->fop_flags;
#else
p->ops.mmap_supported_flags = fp->f_op->mmap_supported_flags;
#endif
p->ops.open = fp->f_op->open ? ksu_wrapper_open : NULL;
p->ops.flush = fp->f_op->flush ? ksu_wrapper_flush : NULL;
p->ops.release = ksu_wrapper_release;
p->ops.fsync = fp->f_op->fsync ? ksu_wrapper_fsync : NULL;
p->ops.fasync = fp->f_op->fasync ? ksu_wrapper_fasync : NULL;
p->ops.lock = fp->f_op->lock ? ksu_wrapper_lock : NULL;
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 6, 0)
p->ops.sendpage = fp->f_op->sendpage ? ksu_wrapper_sendpage : NULL;
#endif
p->ops.get_unmapped_area = fp->f_op->get_unmapped_area ? ksu_wrapper_get_unmapped_area : NULL;
p->ops.check_flags = fp->f_op->check_flags;
p->ops.flock = fp->f_op->flock ? ksu_wrapper_flock : NULL;
p->ops.splice_write = fp->f_op->splice_write ? ksu_wrapper_splice_write : NULL;
p->ops.splice_read = fp->f_op->splice_read ? ksu_wrapper_splice_read : NULL;
p->ops.setlease = fp->f_op->setlease ? ksu_wrapper_setlease : NULL;
p->ops.fallocate = fp->f_op->fallocate ? ksu_wrapper_fallocate : NULL;
p->ops.show_fdinfo = fp->f_op->show_fdinfo ? ksu_wrapper_show_fdinfo : NULL;
p->ops.copy_file_range = fp->f_op->copy_file_range ? ksu_wrapper_copy_file_range : NULL;
p->ops.remap_file_range = fp->f_op->remap_file_range ? ksu_wrapper_remap_file_range : NULL;
p->ops.fadvise = fp->f_op->fadvise ? ksu_wrapper_fadvise : NULL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 6, 0)
p->ops.splice_eof = fp->f_op->splice_eof ? ksu_wrapper_splice_eof : NULL;
#endif
return p;
}
void ksu_delete_file_wrapper(struct ksu_file_wrapper* data) {
fput((struct file*) data->orig);
kfree(data);
}

View File

@@ -1,14 +0,0 @@
#ifndef KSU_FILE_WRAPPER_H
#define KSU_FILE_WRAPPER_H
#include <linux/file.h>
#include <linux/fs.h>
struct ksu_file_wrapper {
struct file* orig;
struct file_operations ops;
};
struct ksu_file_wrapper* ksu_create_file_wrapper(struct file* fp);
void ksu_delete_file_wrapper(struct ksu_file_wrapper* data);
#endif // KSU_FILE_WRAPPER_H

28
kernel/include/ksu_hook.h Normal file
View File

@@ -0,0 +1,28 @@
#ifndef __KSU_H_KSHOOK
#define __KSU_H_KSHOOK
#include <linux/fs.h>
#include <linux/types.h>
// For sucompat
int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode,
int *flags);
int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags);
// For ksud
int ksu_handle_vfs_read(struct file **file_ptr, char __user **buf_ptr,
size_t *count_ptr, loff_t **pos);
// For ksud and sucompat
int ksu_handle_execveat(int *fd, struct filename **filename_ptr, void *argv,
void *envp, int *flags);
// For volume button
int ksu_handle_input_handle_event(unsigned int *type, unsigned int *code,
int *value);
#endif

88
kernel/kernel_compat.c Normal file
View File

@@ -0,0 +1,88 @@
#include <linux/version.h>
#include <linux/fs.h>
#include <linux/nsproxy.h>
#include <linux/sched/task.h>
#include <linux/uaccess.h>
#include "klog.h" // IWYU pragma: keep
#include "kernel_compat.h"
extern struct task_struct init_task;
// mnt_ns context switch for environment that android_init->nsproxy->mnt_ns != init_task.nsproxy->mnt_ns, such as WSA
struct ksu_ns_fs_saved {
struct nsproxy *ns;
struct fs_struct *fs;
};
static void ksu_save_ns_fs(struct ksu_ns_fs_saved *ns_fs_saved)
{
ns_fs_saved->ns = current->nsproxy;
ns_fs_saved->fs = current->fs;
}
static void ksu_load_ns_fs(struct ksu_ns_fs_saved *ns_fs_saved)
{
current->nsproxy = ns_fs_saved->ns;
current->fs = ns_fs_saved->fs;
}
static bool android_context_saved_checked = false;
static bool android_context_saved_enabled = false;
static struct ksu_ns_fs_saved android_context_saved;
void ksu_android_ns_fs_check()
{
if (android_context_saved_checked)
return;
android_context_saved_checked = true;
task_lock(current);
if (current->nsproxy && current->fs &&
current->nsproxy->mnt_ns != init_task.nsproxy->mnt_ns) {
android_context_saved_enabled = true;
pr_info("android context saved enabled due to init mnt_ns(%p) != android mnt_ns(%p)\n",
current->nsproxy->mnt_ns, init_task.nsproxy->mnt_ns);
ksu_save_ns_fs(&android_context_saved);
} else {
pr_info("android context saved disabled\n");
}
task_unlock(current);
}
struct file *ksu_filp_open_compat(const char *filename, int flags, umode_t mode)
{
// switch mnt_ns even if current is not wq_worker, to ensure what we open is the correct file in android mnt_ns, rather than user created mnt_ns
struct ksu_ns_fs_saved saved;
if (android_context_saved_enabled) {
pr_info("start switch current nsproxy and fs to android context\n");
task_lock(current);
ksu_save_ns_fs(&saved);
ksu_load_ns_fs(&android_context_saved);
task_unlock(current);
}
struct file *fp = filp_open(filename, flags, mode);
if (android_context_saved_enabled) {
task_lock(current);
ksu_load_ns_fs(&saved);
task_unlock(current);
pr_info("switch current nsproxy and fs back to saved successfully\n");
}
return fp;
}
ssize_t ksu_kernel_read_compat(struct file *p, void *buf, size_t count,
loff_t *pos)
{
return kernel_read(p, buf, count, pos);
}
ssize_t ksu_kernel_write_compat(struct file *p, const void *buf, size_t count,
loff_t *pos)
{
return kernel_write(p, buf, count, pos);
}
long ksu_strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr,
long count)
{
return strncpy_from_user_nofault(dst, unsafe_addr, count);
}

View File

@@ -3,22 +3,33 @@
#include <linux/fs.h>
#include <linux/version.h>
#include "ss/policydb.h"
#include "linux/key.h"
/*
* ksu_copy_from_user_retry
* try nofault copy first, if it fails, try with plain
* paramters are the same as copy_from_user
* 0 = success
* Adapt to Huawei HISI kernel without affecting other kernels ,
* Huawei Hisi Kernel EBITMAP Enable or Disable Flag ,
* From ss/ebitmap.h
*/
static long ksu_copy_from_user_retry(void *to,
const void __user *from, unsigned long count)
{
long ret = copy_from_user_nofault(to, from, count);
if (likely(!ret))
return ret;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0))
#ifdef HISI_SELINUX_EBITMAP_RO
#define CONFIG_IS_HW_HISI
#endif
#endif
// we faulted! fallback to slow path
return copy_from_user(to, from, count);
}
extern long ksu_strncpy_from_user_nofault(char *dst,
const void __user *unsafe_addr,
long count);
extern void ksu_android_ns_fs_check();
extern struct file *ksu_filp_open_compat(const char *filename, int flags,
umode_t mode);
extern ssize_t ksu_kernel_read_compat(struct file *p, void *buf, size_t count,
loff_t *pos);
extern ssize_t ksu_kernel_write_compat(struct file *p, const void *buf,
size_t count, loff_t *pos);
#endif

View File

@@ -1,181 +0,0 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/task_work.h>
#include <linux/cred.h>
#include <linux/fs.h>
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/nsproxy.h>
#include <linux/path.h>
#include <linux/printk.h>
#include <linux/types.h>
#include "kernel_umount.h"
#include "klog.h" // IWYU pragma: keep
#include "allowlist.h"
#include "selinux/selinux.h"
#include "feature.h"
#include "ksud.h"
#include "umount_manager.h"
#include "sulog.h"
static bool ksu_kernel_umount_enabled = true;
static int kernel_umount_feature_get(u64 *value)
{
*value = ksu_kernel_umount_enabled ? 1 : 0;
return 0;
}
static int kernel_umount_feature_set(u64 value)
{
bool enable = value != 0;
ksu_kernel_umount_enabled = enable;
pr_info("kernel_umount: set to %d\n", enable);
return 0;
}
static const struct ksu_feature_handler kernel_umount_handler = {
.feature_id = KSU_FEATURE_KERNEL_UMOUNT,
.name = "kernel_umount",
.get_handler = kernel_umount_feature_get,
.set_handler = kernel_umount_feature_set,
};
extern int path_umount(struct path *path, int flags);
static void ksu_umount_mnt(struct path *path, int flags)
{
int err = path_umount(path, flags);
if (err) {
pr_info("umount %s failed: %d\n", path->dentry->d_iname, err);
}
}
void try_umount(const char *mnt, int flags)
{
struct path path;
int err = kern_path(mnt, 0, &path);
if (err) {
return;
}
if (path.dentry != path.mnt->mnt_root) {
// it is not root mountpoint, maybe umounted by others already.
path_put(&path);
return;
}
ksu_umount_mnt(&path, flags);
}
struct umount_tw {
struct callback_head cb;
const struct cred *old_cred;
};
static void umount_tw_func(struct callback_head *cb)
{
struct umount_tw *tw = container_of(cb, struct umount_tw, cb);
const struct cred *saved = NULL;
if (tw->old_cred) {
saved = override_creds(tw->old_cred);
}
struct mount_entry *entry;
down_read(&mount_list_lock);
list_for_each_entry(entry, &mount_list, list) {
pr_info("%s: unmounting: %s flags 0x%x\n", __func__, entry->umountable, entry->flags);
try_umount(entry->umountable, entry->flags);
}
up_read(&mount_list_lock);
ksu_umount_manager_execute_all(tw->old_cred);
if (saved)
revert_creds(saved);
if (tw->old_cred)
put_cred(tw->old_cred);
kfree(tw);
}
int ksu_handle_umount(uid_t old_uid, uid_t new_uid)
{
struct umount_tw *tw;
// if there isn't any module mounted, just ignore it!
if (!ksu_module_mounted) {
return 0;
}
if (!ksu_kernel_umount_enabled) {
return 0;
}
// There are 5 scenarios:
// 1. Normal app: zygote -> appuid
// 2. Isolated process forked from zygote: zygote -> isolated_process
// 3. App zygote forked from zygote: zygote -> appuid
// 4. Isolated process froked from app zygote: appuid -> isolated_process (already handled by 3)
// 5. Isolated process froked from webview zygote (no need to handle, app cannot run custom code)
if (!is_appuid(new_uid) && !is_isolated_process(new_uid)) {
return 0;
}
if (!ksu_uid_should_umount(new_uid) && !is_isolated_process(new_uid)) {
return 0;
}
// check old process's selinux context, if it is not zygote, ignore it!
// because some su apps may setuid to untrusted_app but they are in global mount namespace
// when we umount for such process, that is a disaster!
// also handle case 4 and 5
bool is_zygote_child = is_zygote(get_current_cred());
if (!is_zygote_child) {
pr_info("handle umount ignore non zygote child: %d\n", current->pid);
return 0;
}
#if __SULOG_GATE
ksu_sulog_report_syscall(new_uid, NULL, "setuid", NULL);
#endif
// umount the target mnt
pr_info("handle umount for uid: %d, pid: %d\n", new_uid, current->pid);
tw = kzalloc(sizeof(*tw), GFP_ATOMIC);
if (!tw)
return 0;
tw->old_cred = get_current_cred();
tw->cb.func = umount_tw_func;
int err = task_work_add(current, &tw->cb, TWA_RESUME);
if (err) {
if (tw->old_cred) {
put_cred(tw->old_cred);
}
kfree(tw);
pr_warn("unmount add task_work failed\n");
}
return 0;
}
void ksu_kernel_umount_init(void)
{
int rc = 0;
rc = ksu_umount_manager_init();
if (rc) {
pr_err("Failed to initialize umount manager: %d\n", rc);
}
if (ksu_register_feature_handler(&kernel_umount_handler)) {
pr_err("Failed to register kernel_umount feature handler\n");
}
}
void ksu_kernel_umount_exit(void)
{
ksu_unregister_feature_handler(KSU_FEATURE_KERNEL_UMOUNT);
}

View File

@@ -1,25 +0,0 @@
#ifndef __KSU_H_KERNEL_UMOUNT
#define __KSU_H_KERNEL_UMOUNT
#include <linux/types.h>
#include <linux/list.h>
#include <linux/rwsem.h>
void ksu_kernel_umount_init(void);
void ksu_kernel_umount_exit(void);
void try_umount(const char *mnt, int flags);
// Handler function to be called from setresuid hook
int ksu_handle_umount(uid_t old_uid, uid_t new_uid);
// for the umount list
struct mount_entry {
char *umountable;
unsigned int flags;
struct list_head list;
};
extern struct list_head mount_list;
extern struct rw_semaphore mount_list_lock;
#endif

View File

@@ -13,7 +13,7 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#include <asm/elf.h>
#include <asm/elf.h> /* 包含 ARM64 重定位类型定义 */
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/string.h>
@@ -29,48 +29,55 @@
#include "../allowlist.h"
#include "../manager.h"
static int sukisu_is_su_allow_uid(uid_t uid)
{
return ksu_is_allow_uid_for_current(uid) ? 1 : 0;
unsigned long sukisu_compact_find_symbol(const char* name);
// ======================================================================
// 兼容函数 for KPM
static
int sukisu_is_su_allow_uid(uid_t uid) {
return ksu_is_allow_uid(uid) ? 1 : 0;
}
static int sukisu_get_ap_mod_exclude(uid_t uid)
{
return 0; /* Not supported */
static
int sukisu_get_ap_mod_exclude(uid_t uid) {
// Not supported
return 0;
}
static int sukisu_is_uid_should_umount(uid_t uid)
{
static
int sukisu_is_uid_should_umount(uid_t uid) {
return ksu_uid_should_umount(uid) ? 1 : 0;
}
static int sukisu_is_current_uid_manager(void)
{
static
int sukisu_is_current_uid_manager() {
return is_manager();
}
static uid_t sukisu_get_manager_uid(void)
{
static
uid_t sukisu_get_manager_uid() {
return ksu_manager_uid;
}
static void sukisu_set_manager_uid(uid_t uid, int force)
{
if (force || ksu_manager_uid == -1)
static
void sukisu_set_manager_uid(uid_t uid, int force) {
if(force || ksu_manager_uid == -1) {
ksu_manager_uid = uid;
}
}
// ======================================================================
struct CompactAddressSymbol {
const char *symbol_name;
void *addr;
const char* symbol_name;
void* addr;
};
unsigned long sukisu_compact_find_symbol(const char *name);
static struct CompactAddressSymbol address_symbol[] = {
static struct CompactAddressSymbol address_symbol [] = {
{ "kallsyms_lookup_name", &kallsyms_lookup_name },
{ "compact_find_symbol", &sukisu_compact_find_symbol },
{ "is_run_in_sukisu_ultra", (void *)1 },
{ "is_run_in_sukisu_ultra", (void*)1 },
{ "is_su_allow_uid", &sukisu_is_su_allow_uid },
{ "get_ap_mod_exclude", &sukisu_get_ap_mod_exclude },
{ "is_uid_should_umount", &sukisu_is_uid_should_umount },
@@ -79,22 +86,25 @@ static struct CompactAddressSymbol address_symbol[] = {
{ "sukisu_set_manager_uid", &sukisu_set_manager_uid }
};
unsigned long sukisu_compact_find_symbol(const char* name)
{
unsigned long sukisu_compact_find_symbol(const char* name) {
int i;
unsigned long addr;
for (i = 0; i < (sizeof(address_symbol) / sizeof(struct CompactAddressSymbol)); i++) {
struct CompactAddressSymbol *symbol = &address_symbol[i];
if (strcmp(name, symbol->symbol_name) == 0)
return (unsigned long)symbol->addr;
// 先自己在地址表部分查出来
for(i = 0; i < (sizeof(address_symbol) / sizeof(struct CompactAddressSymbol)); i++) {
struct CompactAddressSymbol* symbol = &address_symbol[i];
if(strcmp(name, symbol->symbol_name) == 0) {
return (unsigned long) symbol->addr;
}
}
// 通过内核来查
addr = kallsyms_lookup_name(name);
if (addr)
if(addr) {
return addr;
}
return 0;
}
EXPORT_SYMBOL(sukisu_compact_find_symbol);

View File

@@ -1,6 +1,6 @@
#ifndef __SUKISU_KPM_COMPACT_H
#define __SUKISU_KPM_COMPACT_H
#ifndef ___SUKISU_KPM_COMPACT_H
#define ___SUKISU_KPM_COMPACT_H
extern unsigned long sukisu_compact_find_symbol(const char *name);
unsigned long sukisu_compact_find_symbol(const char* name);
#endif

View File

@@ -8,11 +8,13 @@
* 集成了 ELF 解析、内存布局、符号处理、重定位(支持 ARM64 重定位类型)
* 并参照KernelPatch的标准KPM格式实现加载和控制
*/
#include <linux/export.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/kernfs.h>
#include <linux/file.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/uaccess.h>
#include <linux/elf.h>
@@ -21,26 +23,27 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#include <asm/elf.h>
#include <asm/elf.h> /* 包含 ARM64 重定位类型定义 */
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <asm/cacheflush.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/set_memory.h>
#include <linux/version.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <asm/insn.h>
#include <linux/kprobes.h>
#include <linux/stacktrace.h>
#include <linux/kallsyms.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) && defined(CONFIG_MODULES)
#include <linux/moduleloader.h>
#include <linux/moduleloader.h> // 需要启用 CONFIG_MODULES
#endif
#include "kpm.h"
#include "compact.h"
#define KPM_NAME_LEN 32
#define KPM_ARGS_LEN 1024
#ifndef NO_OPTIMIZE
#if defined(__GNUC__) && !defined(__clang__)
#define NO_OPTIMIZE __attribute__((optimize("O0")))
@@ -51,232 +54,131 @@
#endif
#endif
noinline NO_OPTIMIZE void sukisu_kpm_load_module_path(const char *path,
const char *args, void *ptr, int *result)
{
pr_info("kpm: Stub function called (sukisu_kpm_load_module_path). "
"path=%s args=%s ptr=%p\n", path, args, ptr);
// ============================================================================================
__asm__ volatile("nop");
noinline
NO_OPTIMIZE
void sukisu_kpm_load_module_path(const char* path, const char* args, void* ptr, void __user* result) {
// This is a KPM module stub.
int res = -1;
printk("KPM: Stub function called (sukisu_kpm_load_module_path). path=%s args=%s ptr=%p\n", path, args, ptr);
__asm__ volatile("nop"); // 精确控制循环不被优化
if(copy_to_user(result, &res, sizeof(res)) < 1) printk("KPM: Copy to user failed.");
}
noinline
NO_OPTIMIZE
void sukisu_kpm_unload_module(const char* name, void* ptr, void __user* result) {
// This is a KPM module stub.
int res = -1;
printk("KPM: Stub function called (sukisu_kpm_unload_module). name=%s ptr=%p\n", name, ptr);
__asm__ volatile("nop"); // 精确控制循环不被优化
if(copy_to_user(result, &res, sizeof(res)) < 1) printk("KPM: Copy to user failed.");
}
noinline
NO_OPTIMIZE
void sukisu_kpm_num(void __user* result) {
// This is a KPM module stub.
int res = 0;
printk("KPM: Stub function called (sukisu_kpm_num).\n");
__asm__ volatile("nop"); // 精确控制循环不被优化
if(copy_to_user(result, &res, sizeof(res)) < 1) printk("KPM: Copy to user failed.");
}
noinline
NO_OPTIMIZE
void sukisu_kpm_info(const char* name, void __user* out, void __user* result) {
// This is a KPM module stub.
int res = -1;
printk("KPM: Stub function called (sukisu_kpm_info). name=%s buffer=%p\n", name, out);
__asm__ volatile("nop"); // 精确控制循环不被优化
if(copy_to_user(result, &res, sizeof(res)) < 1) printk("KPM: Copy to user failed.");
}
noinline
NO_OPTIMIZE
void sukisu_kpm_list(void __user* out, unsigned int bufferSize, void __user* result) {
// This is a KPM module stub.
int res = -1;
printk("KPM: Stub function called (sukisu_kpm_list). buffer=%p size=%d\n", out, bufferSize);
if(copy_to_user(result, &res, sizeof(res)) < 1) printk("KPM: Copy to user failed.");
}
noinline
NO_OPTIMIZE
void sukisu_kpm_control(void __user* name, void __user* args, void __user* result) {
// This is a KPM module stub.
int res = -1;
printk("KPM: Stub function called (sukisu_kpm_control). name=%p args=%p\n", name, args);
__asm__ volatile("nop"); // 精确控制循环不被优化
if(copy_to_user(result, &res, sizeof(res)) < 1) printk("KPM: Copy to user failed.");
}
noinline
NO_OPTIMIZE
void sukisu_kpm_version(void __user* out, unsigned int bufferSize, void __user* result) {
int res = -1;
printk("KPM: Stub function called (sukisu_kpm_version). buffer=%p size=%d\n", out, bufferSize);
if(copy_to_user(result, &res, sizeof(res)) < 1) printk("KPM: Copy to user failed.");
}
EXPORT_SYMBOL(sukisu_kpm_load_module_path);
noinline NO_OPTIMIZE void sukisu_kpm_unload_module(const char *name,
void *ptr, int *result)
{
pr_info("kpm: Stub function called (sukisu_kpm_unload_module). "
"name=%s ptr=%p\n", name, ptr);
__asm__ volatile("nop");
}
EXPORT_SYMBOL(sukisu_kpm_unload_module);
noinline NO_OPTIMIZE void sukisu_kpm_num(int *result)
{
pr_info("kpm: Stub function called (sukisu_kpm_num).\n");
__asm__ volatile("nop");
}
EXPORT_SYMBOL(sukisu_kpm_num);
noinline NO_OPTIMIZE void sukisu_kpm_info(const char *name, char *buf, int bufferSize,
int *size)
{
pr_info("kpm: Stub function called (sukisu_kpm_info). "
"name=%s buffer=%p\n", name, buf);
__asm__ volatile("nop");
}
EXPORT_SYMBOL(sukisu_kpm_info);
noinline NO_OPTIMIZE void sukisu_kpm_list(void *out, int bufferSize,
int *result)
{
pr_info("kpm: Stub function called (sukisu_kpm_list). "
"buffer=%p size=%d\n", out, bufferSize);
}
EXPORT_SYMBOL(sukisu_kpm_list);
noinline NO_OPTIMIZE void sukisu_kpm_control(const char *name, const char *args, long arg_len,
int *result)
{
pr_info("kpm: Stub function called (sukisu_kpm_control). "
"name=%p args=%p arg_len=%ld\n", name, args, arg_len);
__asm__ volatile("nop");
}
EXPORT_SYMBOL(sukisu_kpm_version);
EXPORT_SYMBOL(sukisu_kpm_control);
noinline NO_OPTIMIZE void sukisu_kpm_version(char *buf, int bufferSize)
noinline
int sukisu_handle_kpm(unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5)
{
pr_info("kpm: Stub function called (sukisu_kpm_version). "
"buffer=%p\n", buf);
}
EXPORT_SYMBOL(sukisu_kpm_version);
if(arg2 == SUKISU_KPM_LOAD) {
char kernel_load_path[256] = { 0 };
char kernel_args_buffer[256] = { 0 };
noinline int sukisu_handle_kpm(unsigned long control_code, unsigned long arg1, unsigned long arg2,
unsigned long result_code)
{
int res = -1;
if (control_code == SUKISU_KPM_LOAD) {
char kernel_load_path[256];
char kernel_args_buffer[256];
if (arg1 == 0) {
res = -EINVAL;
goto exit;
if(arg3 == 0) {
return -1;
}
if (!access_ok(arg1, 255)) {
goto invalid_arg;
strncpy_from_user((char*)&kernel_load_path, (const char __user *)arg3, 255);
if(arg4 != 0) {
strncpy_from_user((char*)&kernel_args_buffer, (const char __user *)arg4, 255);
}
sukisu_kpm_load_module_path((const char*)&kernel_load_path, (const char*) &kernel_args_buffer, NULL, (void __user*) arg5);
} else if(arg2 == SUKISU_KPM_UNLOAD) {
char kernel_name_buffer[256] = { 0 };
if(arg3 == 0) {
return -1;
}
strncpy_from_user((char *)&kernel_load_path, (const char *)arg1, 255);
strncpy_from_user((char*)&kernel_name_buffer, (const char __user *)arg3, 255);
sukisu_kpm_unload_module((const char*) &kernel_name_buffer, NULL, (void __user*) arg5);
} else if(arg2 == SUKISU_KPM_NUM) {
sukisu_kpm_num((void __user*) arg5);
} else if(arg2 == SUKISU_KPM_INFO) {
char kernel_name_buffer[256] = { 0 };
if (arg2 != 0) {
if (!access_ok(arg2, 255)) {
goto invalid_arg;
}
strncpy_from_user((char *)&kernel_args_buffer, (const char *)arg2, 255);
if(arg3 == 0 || arg4 == 0) {
return -1;
}
sukisu_kpm_load_module_path((const char *)&kernel_load_path,
(const char *)&kernel_args_buffer, NULL, &res);
} else if (control_code == SUKISU_KPM_UNLOAD) {
char kernel_name_buffer[256];
if (arg1 == 0) {
res = -EINVAL;
goto exit;
}
if (!access_ok(arg1, sizeof(kernel_name_buffer))) {
goto invalid_arg;
}
strncpy_from_user((char *)&kernel_name_buffer, (const char *)arg1, sizeof(kernel_name_buffer));
sukisu_kpm_unload_module((const char *)&kernel_name_buffer, NULL, &res);
} else if (control_code == SUKISU_KPM_NUM) {
sukisu_kpm_num(&res);
} else if (control_code == SUKISU_KPM_INFO) {
char kernel_name_buffer[256];
char buf[256];
int size;
if (arg1 == 0 || arg2 == 0) {
res = -EINVAL;
goto exit;
}
if (!access_ok(arg1, sizeof(kernel_name_buffer))) {
goto invalid_arg;
}
strncpy_from_user((char *)&kernel_name_buffer, (const char __user *)arg1, sizeof(kernel_name_buffer));
sukisu_kpm_info((const char *)&kernel_name_buffer, (char *)&buf, sizeof(buf), &size);
if (!access_ok(arg2, size)) {
goto invalid_arg;
}
res = copy_to_user(arg2, &buf, size);
} else if (control_code == SUKISU_KPM_LIST) {
char buf[1024];
int len = (int) arg2;
if (len <= 0) {
res = -EINVAL;
goto exit;
}
if (!access_ok(arg2, len)) {
goto invalid_arg;
}
sukisu_kpm_list((char *)&buf, sizeof(buf), &res);
if (res > len) {
res = -ENOBUFS;
goto exit;
}
if (copy_to_user(arg1, &buf, len) != 0)
pr_info("kpm: Copy to user failed.");
} else if (control_code == SUKISU_KPM_CONTROL) {
char kpm_name[KPM_NAME_LEN] = { 0 };
char kpm_args[KPM_ARGS_LEN] = { 0 };
if (!access_ok(arg1, sizeof(kpm_name))) {
goto invalid_arg;
}
if (!access_ok(arg2, sizeof(kpm_args))) {
goto invalid_arg;
}
long name_len = strncpy_from_user((char *)&kpm_name, (const char __user *)arg1, sizeof(kpm_name));
if (name_len <= 0) {
res = -EINVAL;
goto exit;
}
long arg_len = strncpy_from_user((char *)&kpm_args, (const char __user *)arg2, sizeof(kpm_args));
sukisu_kpm_control((const char *)&kpm_name, (const char *)&kpm_args, arg_len, &res);
} else if (control_code == SUKISU_KPM_VERSION) {
char buffer[256] = {0};
sukisu_kpm_version((char*) &buffer, sizeof(buffer));
unsigned int outlen = (unsigned int) arg2;
int len = strlen(buffer);
if (len >= outlen) len = outlen - 1;
res = copy_to_user(arg1, &buffer, len + 1);
strncpy_from_user((char*)&kernel_name_buffer, (const char __user *)arg3, 255);
sukisu_kpm_info((const char*) &kernel_name_buffer, (char __user*) arg4, (void __user*) arg5);
} else if(arg2 == SUKISU_KPM_LIST) {
sukisu_kpm_list((char __user*) arg3, (unsigned int) arg4, (void __user*) arg5);
} else if(arg2 == SUKISU_KPM_VERSION) {
sukisu_kpm_version((char __user*) arg3, (unsigned int) arg4, (void __user*) arg5);
} else if(arg2 == SUKISU_KPM_CONTROL) {
sukisu_kpm_control((char __user*) arg3, (char __user*) arg4, (void __user*) arg5);
}
exit:
if (copy_to_user(result_code, &res, sizeof(res)) != 0)
pr_info("kpm: Copy to user failed.");
return 0;
invalid_arg:
pr_err("kpm: invalid pointer detected! arg1: %px arg2: %px\n", (void *)arg1, (void *)arg2);
res = -EFAULT;
goto exit;
}
int sukisu_is_kpm_control_code(unsigned long arg2) {
return (arg2 >= CMD_KPM_CONTROL && arg2 <= CMD_KPM_CONTROL_MAX) ? 1 : 0;
}
EXPORT_SYMBOL(sukisu_handle_kpm);
int sukisu_is_kpm_control_code(unsigned long control_code) {
return (control_code >= CMD_KPM_CONTROL &&
control_code <= CMD_KPM_CONTROL_MAX) ? 1 : 0;
}
int do_kpm(void __user *arg)
{
struct ksu_kpm_cmd cmd;
if (copy_from_user(&cmd, arg, sizeof(cmd))) {
pr_err("kpm: copy_from_user failed\n");
return -EFAULT;
}
if (!access_ok(cmd.control_code, sizeof(int))) {
pr_err("kpm: invalid control_code pointer %px\n", (void *)cmd.control_code);
return -EFAULT;
}
if (!access_ok(cmd.result_code, sizeof(int))) {
pr_err("kpm: invalid result_code pointer %px\n", (void *)cmd.result_code);
return -EFAULT;
}
return sukisu_handle_kpm(cmd.control_code, cmd.arg1, cmd.arg2, cmd.result_code);
}

View File

@@ -1,70 +1,44 @@
#ifndef __SUKISU_KPM_H
#define __SUKISU_KPM_H
#ifndef ___SUKISU_KPM_H
#define ___SUKISU_KPM_H
#include <linux/types.h>
#include <linux/ioctl.h>
int sukisu_handle_kpm(unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5);
int sukisu_is_kpm_control_code(unsigned long arg2);
struct ksu_kpm_cmd {
__aligned_u64 __user control_code;
__aligned_u64 __user arg1;
__aligned_u64 __user arg2;
__aligned_u64 __user result_code;
};
// KPM控制代码
#define CMD_KPM_CONTROL 28
#define CMD_KPM_CONTROL_MAX 35
int sukisu_handle_kpm(unsigned long control_code, unsigned long arg3, unsigned long arg4, unsigned long result_code);
int sukisu_is_kpm_control_code(unsigned long control_code);
int do_kpm(void __user *arg);
// 控制代码
#define KSU_IOCTL_KPM _IOC(_IOC_READ|_IOC_WRITE, 'K', 200, 0)
// prctl(xxx, 28, "PATH", "ARGS")
// success return 0, error return -N
#define SUKISU_KPM_LOAD 28
/* KPM Control Code */
#define CMD_KPM_CONTROL 1
#define CMD_KPM_CONTROL_MAX 10
// prctl(xxx, 29, "NAME")
// success return 0, error return -N
#define SUKISU_KPM_UNLOAD 29
/* Control Code */
/*
* prctl(xxx, 1, "PATH", "ARGS")
* success return 0, error return -N
*/
#define SUKISU_KPM_LOAD 1
// num = prctl(xxx, 30)
// error return -N
// success return +num or 0
#define SUKISU_KPM_NUM 30
/*
* prctl(xxx, 2, "NAME")
* success return 0, error return -N
*/
#define SUKISU_KPM_UNLOAD 2
// prctl(xxx, 31, Buffer, BufferSize)
// success return +out, error return -N
#define SUKISU_KPM_LIST 31
/*
* num = prctl(xxx, 3)
* error return -N
* success return +num or 0
*/
#define SUKISU_KPM_NUM 3
// prctl(xxx, 32, "NAME", Buffer[256])
// success return +out, error return -N
#define SUKISU_KPM_INFO 32
/*
* prctl(xxx, 4, Buffer, BufferSize)
* success return +out, error return -N
*/
#define SUKISU_KPM_LIST 4
// prctl(xxx, 33, "NAME", "ARGS")
// success return KPM's result value
// error return -N
#define SUKISU_KPM_CONTROL 33
/*
* prctl(xxx, 5, "NAME", Buffer[256])
* success return +out, error return -N
*/
#define SUKISU_KPM_INFO 5
/*
* prctl(xxx, 6, "NAME", "ARGS")
* success return KPM's result value
* error return -N
*/
#define SUKISU_KPM_CONTROL 6
/*
* prctl(xxx, 7, buffer, bufferSize)
* success return KPM's result value
* error return -N
*/
#define SUKISU_KPM_VERSION 7
// prctl(xxx, 34, buffer, bufferSize)
// success return KPM's result value
// error return -N
#define SUKISU_KPM_VERSION 34
#endif

View File

@@ -13,7 +13,7 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#include <asm/elf.h>
#include <asm/elf.h> /* 包含 ARM64 重定位类型定义 */
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/string.h>
@@ -24,37 +24,34 @@
#include <linux/version.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/mount.h>
#include <linux/kprobes.h>
#include <linux/mm_types.h>
#include <linux/netlink.h>
#include <linux/sched.h>
#include <../fs/mount.h>
#include "kpm.h"
#include "compact.h"
#include <linux/types.h>
#include <linux/stddef.h>
// 结构体成员元数据
struct DynamicStructMember {
const char *name;
const char* name;
size_t size;
size_t offset;
};
// 结构体元数据(包含总大小)
struct DynamicStructInfo {
const char *name;
const char* name;
size_t count;
size_t total_size;
struct DynamicStructMember *members;
struct DynamicStructMember* members;
};
// 定义结构体元数据的宏(直接使用 struct 名称)
#define DYNAMIC_STRUCT_BEGIN(struct_name) \
static struct DynamicStructMember struct_name##_members[] = {
#define DEFINE_MEMBER(struct_name, member) \
{ \
.name = #member, \
.size = sizeof(((struct struct_name *)0)->member), \
.size = sizeof(((struct struct_name*)0)->member), \
.offset = offsetof(struct struct_name, member) \
},
@@ -67,6 +64,17 @@ struct DynamicStructInfo {
.members = struct_name##_members \
};
// ==================================================================================
#include <linux/version.h>
#define KERNEL_VERSION_6_1 KERNEL_VERSION(6, 1, 0)
#define KERNEL_VERSION_5_15 KERNEL_VERSION(5, 15, 0)
#include <../fs/mount.h>
#include <linux/mount.h>
// 定义元数据
DYNAMIC_STRUCT_BEGIN(mount)
DEFINE_MEMBER(mount, mnt_parent)
DEFINE_MEMBER(mount, mnt)
@@ -88,11 +96,13 @@ DYNAMIC_STRUCT_BEGIN(mnt_namespace)
DEFINE_MEMBER(mnt_namespace, root)
DEFINE_MEMBER(mnt_namespace, seq)
DEFINE_MEMBER(mnt_namespace, mounts)
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 15, 0)
#if LINUX_VERSION_CODE < KERNEL_VERSION_5_15
DEFINE_MEMBER(mnt_namespace, count)
#endif
DYNAMIC_STRUCT_END(mnt_namespace)
#include <linux/kprobes.h>
#ifdef CONFIG_KPROBES
DYNAMIC_STRUCT_BEGIN(kprobe)
DEFINE_MEMBER(kprobe, addr)
@@ -100,13 +110,16 @@ DYNAMIC_STRUCT_BEGIN(kprobe)
DEFINE_MEMBER(kprobe, offset)
DEFINE_MEMBER(kprobe, pre_handler)
DEFINE_MEMBER(kprobe, post_handler)
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 15, 0)
#if LINUX_VERSION_CODE < KERNEL_VERSION_5_15
DEFINE_MEMBER(kprobe, fault_handler)
#endif
DEFINE_MEMBER(kprobe, flags)
DYNAMIC_STRUCT_END(kprobe)
#endif
#include <linux/mm.h>
#include <linux/mm_types.h>
DYNAMIC_STRUCT_BEGIN(vm_area_struct)
DEFINE_MEMBER(vm_area_struct,vm_start)
DEFINE_MEMBER(vm_area_struct,vm_end)
@@ -115,9 +128,9 @@ DYNAMIC_STRUCT_BEGIN(vm_area_struct)
DEFINE_MEMBER(vm_area_struct,vm_pgoff)
DEFINE_MEMBER(vm_area_struct,vm_file)
DEFINE_MEMBER(vm_area_struct,vm_private_data)
#ifdef CONFIG_ANON_VMA_NAME
#ifdef CONFIG_ANON_VMA_NAME
DEFINE_MEMBER(vm_area_struct, anon_name)
#endif
#endif
DEFINE_MEMBER(vm_area_struct, vm_ops)
DYNAMIC_STRUCT_END(vm_area_struct)
@@ -128,6 +141,8 @@ DYNAMIC_STRUCT_BEGIN(vm_operations_struct)
DEFINE_MEMBER(vm_operations_struct, access)
DYNAMIC_STRUCT_END(vm_operations_struct)
#include <linux/netlink.h>
DYNAMIC_STRUCT_BEGIN(netlink_kernel_cfg)
DEFINE_MEMBER(netlink_kernel_cfg, groups)
DEFINE_MEMBER(netlink_kernel_cfg, flags)
@@ -135,11 +150,13 @@ DYNAMIC_STRUCT_BEGIN(netlink_kernel_cfg)
DEFINE_MEMBER(netlink_kernel_cfg, cb_mutex)
DEFINE_MEMBER(netlink_kernel_cfg, bind)
DEFINE_MEMBER(netlink_kernel_cfg, unbind)
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 1, 0)
#if LINUX_VERSION_CODE < KERNEL_VERSION_6_1
DEFINE_MEMBER(netlink_kernel_cfg, compare)
#endif
DYNAMIC_STRUCT_END(netlink_kernel_cfg)
#include <linux/sched.h>
DYNAMIC_STRUCT_BEGIN(task_struct)
DEFINE_MEMBER(task_struct, pid)
DEFINE_MEMBER(task_struct, tgid)
@@ -169,110 +186,104 @@ DYNAMIC_STRUCT_BEGIN(task_struct)
DEFINE_MEMBER(task_struct, thread)
DYNAMIC_STRUCT_END(task_struct)
// =====================================================================================================================
#define STRUCT_INFO(name) &(name##_info)
static struct DynamicStructInfo *dynamic_struct_infos[] = {
static
struct DynamicStructInfo* dynamic_struct_infos[] = {
STRUCT_INFO(mount),
STRUCT_INFO(vfsmount),
STRUCT_INFO(mnt_namespace),
#ifdef CONFIG_KPROBES
STRUCT_INFO(kprobe),
#endif
#ifdef CONFIG_KPROBES
STRUCT_INFO(kprobe),
#endif
STRUCT_INFO(vm_area_struct),
STRUCT_INFO(vm_operations_struct),
STRUCT_INFO(netlink_kernel_cfg),
STRUCT_INFO(task_struct)
};
/*
* return 0 if successful
* return -1 if struct not defined
*/
int sukisu_super_find_struct(const char *struct_name, size_t *out_size, int *out_members)
{
for (size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo *info = dynamic_struct_infos[i];
if (strcmp(struct_name, info->name) == 0) {
if (out_size)
// return 0 if successful
// return -1 if struct not defined
int sukisu_super_find_struct(
const char* struct_name,
size_t* out_size,
int* out_members
) {
for(size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo* info = dynamic_struct_infos[i];
if(strcmp(struct_name, info->name) == 0) {
if(out_size)
*out_size = info->total_size;
if (out_members)
if(out_members)
*out_members = info->count;
return 0;
}
}
return -1;
}
EXPORT_SYMBOL(sukisu_super_find_struct);
/*
* Dynamic access struct
* return 0 if successful
* return -1 if struct not defined
* return -2 if member not defined
*/
int sukisu_super_access(const char *struct_name, const char *member_name, size_t *out_offset,
size_t *out_size)
{
for (size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo *info = dynamic_struct_infos[i];
if (strcmp(struct_name, info->name) == 0) {
// Dynamic access struct
// return 0 if successful
// return -1 if struct not defined
// return -2 if member not defined
int sukisu_super_access (
const char* struct_name,
const char* member_name,
size_t* out_offset,
size_t* out_size
) {
for(size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo* info = dynamic_struct_infos[i];
if(strcmp(struct_name, info->name) == 0) {
for (size_t i1 = 0; i1 < info->count; i1++) {
if (strcmp(info->members[i1].name, member_name) == 0) {
if (out_offset)
if(out_offset)
*out_offset = info->members[i].offset;
if (out_size)
if(out_size)
*out_size = info->members[i].size;
return 0;
}
}
return -2;
}
}
return -1;
}
EXPORT_SYMBOL(sukisu_super_access);
// 动态 container_of 宏
#define DYNAMIC_CONTAINER_OF(offset, member_ptr) ({ \
(offset != (size_t)-1) ? (void*)((char*)(member_ptr) - offset) : NULL; \
})
/*
* Dynamic container_of
* return 0 if success
* return -1 if current struct not defined
* return -2 if target member not defined
*/
int sukisu_super_container_of(const char *struct_name, const char *member_name, void *ptr,
void **out_ptr)
{
if (ptr == NULL)
// Dynamic container_of
// return 0 if success
// return -1 if current struct not defined
// return -2 if target member not defined
int sukisu_super_container_of(
const char* struct_name,
const char* member_name,
void* ptr,
void** out_ptr
) {
if(ptr == NULL) {
return -3;
for (size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo *info = dynamic_struct_infos[i];
if (strcmp(struct_name, info->name) == 0) {
}
for(size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo* info = dynamic_struct_infos[i];
if(strcmp(struct_name, info->name) == 0) {
for (size_t i1 = 0; i1 < info->count; i1++) {
if (strcmp(info->members[i1].name, member_name) == 0) {
*out_ptr = (void *)DYNAMIC_CONTAINER_OF(info->members[i1].offset, ptr);
*out_ptr = (void*) DYNAMIC_CONTAINER_OF(info->members[i1].offset, ptr);
return 0;
}
}
return -2;
}
}
return -1;
}
EXPORT_SYMBOL(sukisu_super_container_of);

View File

@@ -6,10 +6,34 @@
#include "kpm.h"
#include "compact.h"
extern int sukisu_super_find_struct(const char *struct_name, size_t *out_size, int *out_members);
extern int sukisu_super_access(const char *struct_name, const char *member_name, size_t *out_offset,
size_t *out_size);
extern int sukisu_super_container_of(const char *struct_name, const char *member_name, void *ptr,
void **out_ptr);
// return 0 if successful
// return -1 if struct not defined
int sukisu_super_find_struct(
const char* struct_name,
size_t* out_size,
int* out_members
);
// Dynamic access struct
// return 0 if successful
// return -1 if struct not defined
// return -2 if member not defined
int sukisu_super_access (
const char* struct_name,
const char* member_name,
size_t* out_offset,
size_t* out_size
);
// Dynamic container_of
// return 0 if success
// return -1 if current struct not defined
// return -2 if target member not defined
int sukisu_super_container_of(
const char* struct_name,
const char* member_name,
void* ptr,
void** out_ptr
);
#endif

View File

@@ -3,103 +3,100 @@
#include <linux/kobject.h>
#include <linux/module.h>
#include <linux/workqueue.h>
#include <linux/version.h>
#include "allowlist.h"
#include "feature.h"
#include "arch.h"
#include "core_hook.h"
#include "klog.h" // IWYU pragma: keep
#include "ksu.h"
#include "throne_tracker.h"
#include "syscall_hook_manager.h"
#include "ksud.h"
#include "supercalls.h"
#include "sulog.h"
#include "throne_comm.h"
#include "dynamic_manager.h"
static struct workqueue_struct *ksu_workqueue;
bool ksu_queue_work(struct work_struct *work)
{
return queue_work(ksu_workqueue, work);
return queue_work(ksu_workqueue, work);
}
void sukisu_custom_config_init(void)
extern int ksu_handle_execveat_sucompat(int *fd, struct filename **filename_ptr,
void *argv, void *envp, int *flags);
extern int ksu_handle_execveat_ksud(int *fd, struct filename **filename_ptr,
void *argv, void *envp, int *flags);
int ksu_handle_execveat(int *fd, struct filename **filename_ptr, void *argv,
void *envp, int *flags)
{
ksu_handle_execveat_ksud(fd, filename_ptr, argv, envp, flags);
return ksu_handle_execveat_sucompat(fd, filename_ptr, argv, envp,
flags);
}
void sukisu_custom_config_exit(void)
{
ksu_uid_exit();
ksu_throne_comm_exit();
ksu_dynamic_manager_exit();
#if __SULOG_GATE
ksu_sulog_exit();
extern void ksu_sucompat_init();
extern void ksu_sucompat_exit();
extern void ksu_ksud_init();
extern void ksu_ksud_exit();
#ifdef CONFIG_KSU_TRACEPOINT_HOOK
extern void ksu_trace_register();
extern void ksu_trace_unregister();
#endif
}
int __init kernelsu_init(void)
{
#ifdef CONFIG_KSU_DEBUG
pr_alert("*************************************************************");
pr_alert("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **");
pr_alert("** **");
pr_alert("** You are running KernelSU in DEBUG mode **");
pr_alert("** **");
pr_alert("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **");
pr_alert("*************************************************************");
pr_alert("*************************************************************");
pr_alert("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **");
pr_alert("** **");
pr_alert("** You are running KernelSU in DEBUG mode **");
pr_alert("** **");
pr_alert("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **");
pr_alert("*************************************************************");
#endif
ksu_feature_init();
ksu_core_init();
ksu_supercalls_init();
ksu_workqueue = alloc_ordered_workqueue("kernelsu_work_queue", 0);
sukisu_custom_config_init();
ksu_allowlist_init();
ksu_syscall_hook_manager_init();
ksu_workqueue = alloc_ordered_workqueue("kernelsu_work_queue", 0);
ksu_allowlist_init();
ksu_throne_tracker_init();
#ifdef KSU_KPROBES_HOOK
ksu_ksud_init();
ksu_throne_tracker_init();
#ifdef CONFIG_KSU_KPROBES_HOOK
ksu_sucompat_init();
ksu_ksud_init();
#else
pr_alert("KPROBES is disabled, KernelSU may not work, please check https://kernelsu.org/guide/how-to-integrate-for-non-gki.html");
pr_alert("KPROBES is disabled, KernelSU may not work, please check https://kernelsu.org/guide/how-to-integrate-for-non-gki.html");
#endif
#ifdef CONFIG_KSU_TRACEPOINT_HOOK
ksu_trace_register();
#endif
#ifdef MODULE
#ifndef CONFIG_KSU_DEBUG
kobject_del(&THIS_MODULE->mkobj.kobj);
kobject_del(&THIS_MODULE->mkobj.kobj);
#endif
#endif
return 0;
return 0;
}
extern void ksu_observer_exit(void);
void kernelsu_exit(void)
{
ksu_allowlist_exit();
ksu_allowlist_exit();
ksu_observer_exit();
ksu_throne_tracker_exit();
ksu_throne_tracker_exit();
destroy_workqueue(ksu_workqueue);
destroy_workqueue(ksu_workqueue);
#ifdef KSU_KPROBES_HOOK
ksu_ksud_exit();
#ifdef CONFIG_KSU_KPROBES_HOOK
ksu_ksud_exit();
ksu_sucompat_exit();
#endif
ksu_syscall_hook_manager_exit();
#ifdef CONFIG_KSU_TRACEPOINT_HOOK
ksu_trace_unregister();
#endif
sukisu_custom_config_exit();
ksu_supercalls_exit();
ksu_feature_exit();
ksu_core_exit();
}
module_init(kernelsu_init);
@@ -108,9 +105,4 @@ module_exit(kernelsu_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("weishu");
MODULE_DESCRIPTION("Android KernelSU");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 13, 0)
MODULE_IMPORT_NS("VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver");
#else
MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
#endif

View File

@@ -7,27 +7,51 @@
#define KERNEL_SU_VERSION KSU_VERSION
#define KERNEL_SU_OPTION 0xDEADBEEF
extern bool ksu_uid_scanner_enabled;
#define CMD_GRANT_ROOT 0
#define CMD_BECOME_MANAGER 1
#define CMD_GET_VERSION 2
#define CMD_ALLOW_SU 3
#define CMD_DENY_SU 4
#define CMD_GET_ALLOW_LIST 5
#define CMD_GET_DENY_LIST 6
#define CMD_REPORT_EVENT 7
#define CMD_SET_SEPOLICY 8
#define CMD_CHECK_SAFEMODE 9
#define CMD_GET_APP_PROFILE 10
#define CMD_SET_APP_PROFILE 11
#define CMD_UID_GRANTED_ROOT 12
#define CMD_UID_SHOULD_UMOUNT 13
#define CMD_IS_SU_ENABLED 14
#define CMD_ENABLE_SU 15
#define CMD_GET_FULL_VERSION 0xC0FFEE1A
#define CMD_ENABLE_KPM 100
#define CMD_HOOK_TYPE 101
#define CMD_DYNAMIC_SIGN 103
#define CMD_GET_MANAGERS 104
#define EVENT_POST_FS_DATA 1
#define EVENT_BOOT_COMPLETED 2
#define EVENT_MODULE_MOUNTED 3
#define KSU_APP_PROFILE_VER 2
#define KSU_MAX_PACKAGE_NAME 256
// NGROUPS_MAX for Linux is 65535 generally, but we only supports 32 groups.
#define KSU_MAX_GROUPS 32
#define KSU_SELINUX_DOMAIN 64
// SukiSU Ultra kernel su version full strings
#ifndef KSU_VERSION_FULL
#define KSU_VERSION_FULL "v3.x-00000000@unknown"
#endif
#define KSU_FULL_VERSION_STRING 255
#define DYNAMIC_MANAGER_OP_SET 0
#define DYNAMIC_MANAGER_OP_GET 1
#define DYNAMIC_MANAGER_OP_CLEAR 2
#define DYNAMIC_SIGN_OP_SET 0
#define DYNAMIC_SIGN_OP_GET 1
#define DYNAMIC_SIGN_OP_CLEAR 2
#define UID_SCANNER_OP_GET_STATUS 0
#define UID_SCANNER_OP_TOGGLE 1
#define UID_SCANNER_OP_CLEAR_ENV 2
struct dynamic_manager_user_config {
struct dynamic_sign_user_config {
unsigned int operation;
unsigned int size;
char hash[65];
@@ -41,22 +65,68 @@ struct manager_list_info {
} managers[2];
};
struct root_profile {
int32_t uid;
int32_t gid;
int32_t groups_count;
int32_t groups[KSU_MAX_GROUPS];
// kernel_cap_t is u32[2] for capabilities v3
struct {
u64 effective;
u64 permitted;
u64 inheritable;
} capabilities;
char selinux_domain[KSU_SELINUX_DOMAIN];
int32_t namespaces;
};
struct non_root_profile {
bool umount_modules;
};
struct app_profile {
// It may be utilized for backward compatibility, although we have never explicitly made any promises regarding this.
u32 version;
// this is usually the package of the app, but can be other value for special apps
char key[KSU_MAX_PACKAGE_NAME];
int32_t current_uid;
bool allow_su;
union {
struct {
bool use_default;
char template_name[KSU_MAX_PACKAGE_NAME];
struct root_profile profile;
} rp_config;
struct {
bool use_default;
struct non_root_profile profile;
} nrp_config;
};
};
bool ksu_queue_work(struct work_struct *work);
#if 0
static inline int startswith(char *s, char *prefix)
{
return strncmp(s, prefix, strlen(prefix));
return strncmp(s, prefix, strlen(prefix));
}
static inline int endswith(const char *s, const char *t)
{
size_t slen = strlen(s);
size_t tlen = strlen(t);
if (tlen > slen)
return 1;
return strcmp(s + slen - tlen, t);
size_t slen = strlen(s);
size_t tlen = strlen(t);
if (tlen > slen)
return 1;
return strcmp(s + slen - tlen, t);
}
#endif
#endif

90
kernel/ksu_trace.c Normal file
View File

@@ -0,0 +1,90 @@
#include "ksu_trace.h"
// extern kernelsu functions
extern bool ksu_execveat_hook __read_mostly;
extern bool ksu_vfs_read_hook __read_mostly;
extern bool ksu_input_hook __read_mostly;
extern int ksu_handle_execveat(int *fd, struct filename **filename_ptr, void *argv, void *envp, int *flags);
extern int ksu_handle_execveat_sucompat(int *fd, struct filename **filename_ptr, void *argv, void *envp, int *flags);
extern int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode, int *flags);
extern int ksu_handle_sys_read(unsigned int fd, char __user **buf_ptr, size_t *count_ptr);
extern int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags);
extern int ksu_handle_input_handle_event(unsigned int *type, unsigned int *code, int *value);
extern int ksu_handle_devpts(struct inode*);
// end kernelsu functions
// tracepoint callback functions
void ksu_trace_execveat_hook_callback(void *data, int *fd, struct filename **filename_ptr,
void *argv, void *envp, int *flags)
{
if (unlikely(ksu_execveat_hook))
ksu_handle_execveat(fd, filename_ptr, argv, envp, flags);
else
ksu_handle_execveat_sucompat(fd, filename_ptr, NULL, NULL, NULL);
}
void ksu_trace_execveat_sucompat_hook_callback(void *data, int *fd, struct filename **filename_ptr,
void *argv, void *envp, int *flags)
{
if (!ksu_execveat_hook)
ksu_handle_execveat_sucompat(fd, filename_ptr, argv, envp, flags);
}
void ksu_trace_faccessat_hook_callback(void *data, int *dfd, const char __user **filename_user,
int *mode, int *flags)
{
ksu_handle_faccessat(dfd, filename_user, mode, flags);
}
void ksu_trace_sys_read_hook_callback(void *data, unsigned int fd, char __user **buf_ptr,
size_t *count_ptr)
{
if (unlikely(ksu_vfs_read_hook))
ksu_handle_sys_read(fd, buf_ptr, count_ptr);
}
void ksu_trace_stat_hook_callback(void *data, int *dfd, const char __user **filename_user,
int *flags)
{
ksu_handle_stat(dfd, filename_user, flags);
}
void ksu_trace_input_hook_callback(void *data, unsigned int *type, unsigned int *code,
int *value)
{
if (unlikely(ksu_input_hook))
ksu_handle_input_handle_event(type, code, value);
}
void ksu_trace_devpts_hook_callback(void *data, struct inode *inode)
{
ksu_handle_devpts(inode);
}
// end tracepoint callback functions
// register tracepoint callback functions
void ksu_trace_register(void)
{
register_trace_ksu_trace_execveat_hook(ksu_trace_execveat_hook_callback, NULL);
register_trace_ksu_trace_execveat_sucompat_hook(ksu_trace_execveat_sucompat_hook_callback, NULL);
register_trace_ksu_trace_faccessat_hook(ksu_trace_faccessat_hook_callback, NULL);
register_trace_ksu_trace_sys_read_hook(ksu_trace_sys_read_hook_callback, NULL);
register_trace_ksu_trace_stat_hook(ksu_trace_stat_hook_callback, NULL);
register_trace_ksu_trace_input_hook(ksu_trace_input_hook_callback, NULL);
register_trace_ksu_trace_devpts_hook(ksu_trace_devpts_hook_callback, NULL);
}
// unregister tracepoint callback functions
void ksu_trace_unregister(void)
{
unregister_trace_ksu_trace_execveat_hook(ksu_trace_execveat_hook_callback, NULL);
unregister_trace_ksu_trace_execveat_sucompat_hook(ksu_trace_execveat_sucompat_hook_callback, NULL);
unregister_trace_ksu_trace_faccessat_hook(ksu_trace_faccessat_hook_callback, NULL);
unregister_trace_ksu_trace_sys_read_hook(ksu_trace_sys_read_hook_callback, NULL);
unregister_trace_ksu_trace_stat_hook(ksu_trace_stat_hook_callback, NULL);
unregister_trace_ksu_trace_input_hook(ksu_trace_input_hook_callback, NULL);
unregister_trace_ksu_trace_devpts_hook(ksu_trace_devpts_hook_callback, NULL);
}

45
kernel/ksu_trace.h Normal file
View File

@@ -0,0 +1,45 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM ksu_trace
#if !defined(_KSU_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _KSU_TRACE_H
#include <linux/fs.h>
#include <linux/tracepoint.h>
DECLARE_TRACE(ksu_trace_execveat_hook,
TP_PROTO(int *fd, struct filename **filename_ptr, void *argv, void *envp, int *flags),
TP_ARGS(fd, filename_ptr, argv, envp, flags));
DECLARE_TRACE(ksu_trace_execveat_sucompat_hook,
TP_PROTO(int *fd, struct filename **filename_ptr, void *argv, void *envp, int *flags),
TP_ARGS(fd, filename_ptr, argv, envp, flags));
DECLARE_TRACE(ksu_trace_faccessat_hook,
TP_PROTO(int *dfd, const char __user **filename_user, int *mode, int *flags),
TP_ARGS(dfd, filename_user, mode, flags));
DECLARE_TRACE(ksu_trace_sys_read_hook,
TP_PROTO(unsigned int fd, char __user **buf_ptr, size_t *count_ptr),
TP_ARGS(fd, buf_ptr, count_ptr));
DECLARE_TRACE(ksu_trace_stat_hook,
TP_PROTO(int *dfd, const char __user **filename_user, int *flags),
TP_ARGS(dfd, filename_user, flags));
DECLARE_TRACE(ksu_trace_input_hook,
TP_PROTO(unsigned int *type, unsigned int *code, int *value),
TP_ARGS(type, code, value));
DECLARE_TRACE(ksu_trace_devpts_hook,
TP_PROTO(struct inode *inode),
TP_ARGS(inode));
#endif /* _KSU_TRACE_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE ksu_trace
#include <trace/define_trace.h>

10
kernel/ksu_trace_export.c Normal file
View File

@@ -0,0 +1,10 @@
#define CREATE_TRACE_POINTS
#include "ksu_trace.h"
EXPORT_TRACEPOINT_SYMBOL_GPL(ksu_trace_execveat_hook);
EXPORT_TRACEPOINT_SYMBOL_GPL(ksu_trace_execveat_sucompat_hook);
EXPORT_TRACEPOINT_SYMBOL_GPL(ksu_trace_faccessat_hook);
EXPORT_TRACEPOINT_SYMBOL_GPL(ksu_trace_sys_read_hook);
EXPORT_TRACEPOINT_SYMBOL_GPL(ksu_trace_stat_hook);
EXPORT_TRACEPOINT_SYMBOL_GPL(ksu_trace_input_hook);
EXPORT_TRACEPOINT_SYMBOL_GPL(ksu_trace_devpts_hook);

File diff suppressed because it is too large Load Diff

View File

@@ -3,19 +3,9 @@
#define KSUD_PATH "/data/adb/ksud"
void ksu_ksud_init();
void ksu_ksud_exit();
void on_post_fs_data(void);
void on_module_mounted(void);
void on_boot_completed(void);
bool ksu_is_safe_mode(void);
int nuke_ext4_sysfs(const char* mnt);
extern u32 ksu_file_sid;
extern bool ksu_module_mounted;
extern bool ksu_boot_completed;
extern u32 ksu_devpts_sid;
#endif

View File

@@ -13,31 +13,29 @@ extern void ksu_add_manager(uid_t uid, int signature_index);
extern void ksu_remove_manager(uid_t uid);
extern int ksu_get_manager_signature_index(uid_t uid);
static inline bool ksu_is_manager_uid_valid(void)
static inline bool ksu_is_manager_uid_valid()
{
return ksu_manager_uid != KSU_INVALID_UID;
return ksu_manager_uid != KSU_INVALID_UID;
}
static inline bool is_manager(void)
static inline bool is_manager()
{
return unlikely(ksu_is_any_manager(current_uid().val) ||
(ksu_manager_uid != KSU_INVALID_UID && ksu_manager_uid == current_uid().val));
return unlikely(ksu_is_any_manager(current_uid().val) || ksu_manager_uid == current_uid().val);
}
static inline uid_t ksu_get_manager_uid(void)
static inline uid_t ksu_get_manager_uid()
{
return ksu_manager_uid;
return ksu_manager_uid;
}
static inline void ksu_set_manager_uid(uid_t uid)
{
ksu_manager_uid = uid;
ksu_manager_uid = uid;
}
static inline void ksu_invalidate_manager_uid(void)
static inline void ksu_invalidate_manager_uid()
{
ksu_manager_uid = KSU_INVALID_UID;
ksu_manager_uid = KSU_INVALID_UID;
}
int ksu_observer_init(void);
#endif

View File

@@ -9,9 +9,5 @@
#define EXPECTED_SIZE_OTHER 0x300
#define EXPECTED_HASH_OTHER "0000000000000000000000000000000000000000000000000000000000000000"
typedef struct {
unsigned size;
const char *sha256;
} apk_sign_key_t;
#endif /* MANAGER_SIGN_H */

View File

@@ -1,357 +0,0 @@
#include <linux/string.h>
#include <linux/uaccess.h>
#include <linux/printk.h>
#include <linux/cred.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/file.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/binfmts.h>
#include "manual_su.h"
#include "ksu.h"
#include "allowlist.h"
#include "manager.h"
#include "app_profile.h"
static bool current_verified = false;
static void ksu_cleanup_expired_tokens(void);
static bool is_current_verified(void);
static void add_pending_root(uid_t uid);
static struct pending_uid pending_uids[MAX_PENDING] = {0};
static int pending_cnt = 0;
static struct ksu_token_entry auth_tokens[MAX_TOKENS] = {0};
static int token_count = 0;
static DEFINE_SPINLOCK(token_lock);
static char* get_token_from_envp(void)
{
struct mm_struct *mm;
char *envp_start, *envp_end;
char *env_ptr, *token = NULL;
unsigned long env_len;
char *env_copy = NULL;
if (!current->mm)
return NULL;
mm = current->mm;
down_read(&mm->mmap_lock);
envp_start = (char *)mm->env_start;
envp_end = (char *)mm->env_end;
env_len = envp_end - envp_start;
if (env_len <= 0 || env_len > PAGE_SIZE * 32) {
up_read(&mm->mmap_lock);
return NULL;
}
env_copy = kzalloc(env_len + 1, GFP_KERNEL);
if (!env_copy) {
up_read(&mm->mmap_lock);
return NULL;
}
if (copy_from_user(env_copy, envp_start, env_len)) {
kfree(env_copy);
up_read(&mm->mmap_lock);
return NULL;
}
up_read(&mm->mmap_lock);
env_copy[env_len] = '\0';
env_ptr = env_copy;
while (env_ptr < env_copy + env_len) {
if (strncmp(env_ptr, KSU_TOKEN_ENV_NAME "=", strlen(KSU_TOKEN_ENV_NAME) + 1) == 0) {
char *token_start = env_ptr + strlen(KSU_TOKEN_ENV_NAME) + 1;
char *token_end = strchr(token_start, '\0');
if (token_end && (token_end - token_start) == KSU_TOKEN_LENGTH) {
token = kzalloc(KSU_TOKEN_LENGTH + 1, GFP_KERNEL);
if (token) {
memcpy(token, token_start, KSU_TOKEN_LENGTH);
token[KSU_TOKEN_LENGTH] = '\0';
pr_info("manual_su: found auth token in environment\n");
}
}
break;
}
env_ptr += strlen(env_ptr) + 1;
}
kfree(env_copy);
return token;
}
static char* ksu_generate_auth_token(void)
{
static char token_buffer[KSU_TOKEN_LENGTH + 1];
unsigned long flags;
int i;
ksu_cleanup_expired_tokens();
spin_lock_irqsave(&token_lock, flags);
if (token_count >= MAX_TOKENS) {
for (i = 0; i < MAX_TOKENS - 1; i++) {
auth_tokens[i] = auth_tokens[i + 1];
}
token_count = MAX_TOKENS - 1;
}
for (i = 0; i < KSU_TOKEN_LENGTH; i++) {
u8 rand_byte;
get_random_bytes(&rand_byte, 1);
int char_type = rand_byte % 3;
if (char_type == 0) {
token_buffer[i] = 'A' + (rand_byte % 26);
} else if (char_type == 1) {
token_buffer[i] = 'a' + (rand_byte % 26);
} else {
token_buffer[i] = '0' + (rand_byte % 10);
}
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)
strscpy(auth_tokens[token_count].token, token_buffer, KSU_TOKEN_LENGTH + 1);
#else
strlcpy(auth_tokens[token_count].token, token_buffer, KSU_TOKEN_LENGTH + 1);
#endif
auth_tokens[token_count].expire_time = jiffies + KSU_TOKEN_EXPIRE_TIME * HZ;
auth_tokens[token_count].used = false;
token_count++;
spin_unlock_irqrestore(&token_lock, flags);
pr_info("manual_su: generated new auth token (expires in %d seconds)\n", KSU_TOKEN_EXPIRE_TIME);
return token_buffer;
}
static bool ksu_verify_auth_token(const char *token)
{
unsigned long flags;
bool valid = false;
int i;
if (!token || strlen(token) != KSU_TOKEN_LENGTH) {
return false;
}
spin_lock_irqsave(&token_lock, flags);
for (i = 0; i < token_count; i++) {
if (!auth_tokens[i].used &&
time_before(jiffies, auth_tokens[i].expire_time) &&
strcmp(auth_tokens[i].token, token) == 0) {
auth_tokens[i].used = true;
valid = true;
pr_info("manual_su: auth token verified successfully\n");
break;
}
}
spin_unlock_irqrestore(&token_lock, flags);
if (!valid) {
pr_warn("manual_su: invalid or expired auth token\n");
}
return valid;
}
static void ksu_cleanup_expired_tokens(void)
{
unsigned long flags;
int i, j;
spin_lock_irqsave(&token_lock, flags);
for (i = 0; i < token_count; ) {
if (time_after(jiffies, auth_tokens[i].expire_time) || auth_tokens[i].used) {
for (j = i; j < token_count - 1; j++) {
auth_tokens[j] = auth_tokens[j + 1];
}
token_count--;
pr_debug("manual_su: cleaned up expired/used token\n");
} else {
i++;
}
}
spin_unlock_irqrestore(&token_lock, flags);
}
static int handle_token_generation(struct manual_su_request *request)
{
if (current_uid().val > 2000) {
pr_warn("manual_su: token generation denied for app UID %d\n", current_uid().val);
return -EPERM;
}
char *new_token = ksu_generate_auth_token();
if (!new_token) {
pr_err("manual_su: failed to generate token\n");
return -ENOMEM;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)
strscpy(request->token_buffer, new_token, KSU_TOKEN_LENGTH + 1);
#else
strlcpy(request->token_buffer, new_token, KSU_TOKEN_LENGTH + 1);
#endif
pr_info("manual_su: auth token generated successfully\n");
return 0;
}
static int handle_escalation_request(struct manual_su_request *request)
{
uid_t target_uid = request->target_uid;
pid_t target_pid = request->target_pid;
struct task_struct *tsk;
rcu_read_lock();
tsk = pid_task(find_vpid(target_pid), PIDTYPE_PID);
if (!tsk || ksu_task_is_dead(tsk)) {
rcu_read_unlock();
pr_err("cmd_su: PID %d is invalid or dead\n", target_pid);
return -ESRCH;
}
rcu_read_unlock();
if (current_uid().val == 0 || is_manager() || ksu_is_allow_uid_for_current(current_uid().val))
goto allowed;
char *env_token = get_token_from_envp();
if (!env_token) {
pr_warn("manual_su: no auth token found in environment\n");
return -EACCES;
}
bool token_valid = ksu_verify_auth_token(env_token);
kfree(env_token);
if (!token_valid) {
pr_warn("manual_su: token verification failed\n");
return -EACCES;
}
allowed:
current_verified = true;
escape_to_root_for_cmd_su(target_uid, target_pid);
return 0;
}
static int handle_add_pending_request(struct manual_su_request *request)
{
uid_t target_uid = request->target_uid;
if (!is_current_verified()) {
pr_warn("manual_su: add_pending denied, not verified\n");
return -EPERM;
}
add_pending_root(target_uid);
current_verified = false;
pr_info("manual_su: pending root added for UID %d\n", target_uid);
return 0;
}
int ksu_handle_manual_su_request(int option, struct manual_su_request *request)
{
if (!request) {
pr_err("manual_su: invalid request pointer\n");
return -EINVAL;
}
switch (option) {
case MANUAL_SU_OP_GENERATE_TOKEN:
pr_info("manual_su: handling token generation request\n");
return handle_token_generation(request);
case MANUAL_SU_OP_ESCALATE:
pr_info("manual_su: handling escalation request for UID %d, PID %d\n",
request->target_uid, request->target_pid);
return handle_escalation_request(request);
case MANUAL_SU_OP_ADD_PENDING:
pr_info("manual_su: handling add pending request for UID %d\n", request->target_uid);
return handle_add_pending_request(request);
default:
pr_err("manual_su: unknown option %d\n", option);
return -EINVAL;
}
}
static bool is_current_verified(void)
{
return current_verified;
}
bool is_pending_root(uid_t uid)
{
for (int i = 0; i < pending_cnt; i++) {
if (pending_uids[i].uid == uid) {
pending_uids[i].use_count++;
pending_uids[i].remove_calls++;
return true;
}
}
return false;
}
void remove_pending_root(uid_t uid)
{
for (int i = 0; i < pending_cnt; i++) {
if (pending_uids[i].uid == uid) {
pending_uids[i].remove_calls++;
if (pending_uids[i].remove_calls >= REMOVE_DELAY_CALLS) {
pending_uids[i] = pending_uids[--pending_cnt];
pr_info("pending_root: removed UID %d after %d calls\n", uid, REMOVE_DELAY_CALLS);
ksu_temp_revoke_root_once(uid);
} else {
pr_info("pending_root: UID %d remove_call=%d (<%d)\n",
uid, pending_uids[i].remove_calls, REMOVE_DELAY_CALLS);
}
return;
}
}
}
static void add_pending_root(uid_t uid)
{
if (pending_cnt >= MAX_PENDING) {
pr_warn("pending_root: cache full\n");
return;
}
for (int i = 0; i < pending_cnt; i++) {
if (pending_uids[i].uid == uid) {
pending_uids[i].use_count = 0;
pending_uids[i].remove_calls = 0;
return;
}
}
pending_uids[pending_cnt++] = (struct pending_uid){uid, 0};
ksu_temp_grant_root_once(uid);
pr_info("pending_root: cached UID %d\n", uid);
}
void ksu_try_escalate_for_uid(uid_t uid)
{
if (!is_pending_root(uid))
return;
pr_info("pending_root: UID=%d temporarily allowed\n", uid);
remove_pending_root(uid);
}

View File

@@ -1,49 +0,0 @@
#ifndef __KSU_MANUAL_SU_H
#define __KSU_MANUAL_SU_H
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 7, 0)
#define mmap_lock mmap_sem
#endif
#define ksu_task_is_dead(t) ((t)->exit_state != 0)
#define MAX_PENDING 16
#define REMOVE_DELAY_CALLS 150
#define MAX_TOKENS 10
#define KSU_SU_VERIFIED_BIT (1UL << 0)
#define KSU_TOKEN_LENGTH 32
#define KSU_TOKEN_ENV_NAME "KSU_AUTH_TOKEN"
#define KSU_TOKEN_EXPIRE_TIME 150
#define MANUAL_SU_OP_GENERATE_TOKEN 0
#define MANUAL_SU_OP_ESCALATE 1
#define MANUAL_SU_OP_ADD_PENDING 2
struct pending_uid {
uid_t uid;
int use_count;
int remove_calls;
};
struct manual_su_request {
uid_t target_uid;
pid_t target_pid;
char token_buffer[KSU_TOKEN_LENGTH + 1];
};
struct ksu_token_entry {
char token[KSU_TOKEN_LENGTH + 1];
unsigned long expire_time;
bool used;
};
int ksu_handle_manual_su_request(int option, struct manual_su_request *request);
bool is_pending_root(uid_t uid);
void remove_pending_root(uid_t uid);
void ksu_try_escalate_for_uid(uid_t uid);
#endif

View File

@@ -1,133 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/namei.h>
#include <linux/fsnotify_backend.h>
#include <linux/slab.h>
#include <linux/rculist.h>
#include <linux/version.h>
#include "klog.h" // IWYU pragma: keep
#include "ksu.h"
#include "throne_tracker.h"
#include "throne_comm.h"
#define MASK_SYSTEM (FS_CREATE | FS_MOVE | FS_EVENT_ON_CHILD)
struct watch_dir {
const char *path;
u32 mask;
struct path kpath;
struct inode *inode;
struct fsnotify_mark *mark;
};
static struct fsnotify_group *g;
static int ksu_handle_inode_event(struct fsnotify_mark *mark, u32 mask,
struct inode *inode, struct inode *dir,
const struct qstr *file_name, u32 cookie)
{
if (!file_name)
return 0;
if (mask & FS_ISDIR)
return 0;
if (file_name->len == 13 &&
!memcmp(file_name->name, "packages.list", 13)) {
pr_info("packages.list detected: %d\n", mask);
if (ksu_uid_scanner_enabled) {
ksu_request_userspace_scan();
}
track_throne(false);
}
return 0;
}
static const struct fsnotify_ops ksu_ops = {
.handle_inode_event = ksu_handle_inode_event,
};
static int add_mark_on_inode(struct inode *inode, u32 mask,
struct fsnotify_mark **out)
{
struct fsnotify_mark *m;
m = kzalloc(sizeof(*m), GFP_KERNEL);
if (!m)
return -ENOMEM;
fsnotify_init_mark(m, g);
m->mask = mask;
if (fsnotify_add_inode_mark(m, inode, 0)) {
fsnotify_put_mark(m);
return -EINVAL;
}
*out = m;
return 0;
}
static int watch_one_dir(struct watch_dir *wd)
{
int ret = kern_path(wd->path, LOOKUP_FOLLOW, &wd->kpath);
if (ret) {
pr_info("path not ready: %s (%d)\n", wd->path, ret);
return ret;
}
wd->inode = d_inode(wd->kpath.dentry);
ihold(wd->inode);
ret = add_mark_on_inode(wd->inode, wd->mask, &wd->mark);
if (ret) {
pr_err("Add mark failed for %s (%d)\n", wd->path, ret);
path_put(&wd->kpath);
iput(wd->inode);
wd->inode = NULL;
return ret;
}
pr_info("watching %s\n", wd->path);
return 0;
}
static void unwatch_one_dir(struct watch_dir *wd)
{
if (wd->mark) {
fsnotify_destroy_mark(wd->mark, g);
fsnotify_put_mark(wd->mark);
wd->mark = NULL;
}
if (wd->inode) {
iput(wd->inode);
wd->inode = NULL;
}
if (wd->kpath.dentry) {
path_put(&wd->kpath);
memset(&wd->kpath, 0, sizeof(wd->kpath));
}
}
static struct watch_dir g_watch = { .path = "/data/system",
.mask = MASK_SYSTEM };
int ksu_observer_init(void)
{
int ret = 0;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0)
g = fsnotify_alloc_group(&ksu_ops, 0);
#else
g = fsnotify_alloc_group(&ksu_ops);
#endif
if (IS_ERR(g))
return PTR_ERR(g);
ret = watch_one_dir(&g_watch);
pr_info("observer init done\n");
return 0;
}
void ksu_observer_exit(void)
{
unwatch_one_dir(&g_watch);
fsnotify_put_group(g);
pr_info("observer exit done\n");
}

View File

@@ -1,69 +0,0 @@
#include <linux/version.h>
#include <linux/fs.h>
#include <linux/nsproxy.h>
#include <linux/sched/task.h>
#include <linux/uaccess.h>
#include <linux/filter.h>
#include <linux/seccomp.h>
#include "klog.h" // IWYU pragma: keep
#include "seccomp_cache.h"
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 2) // Android backport this feature in 5.10.2
struct action_cache {
DECLARE_BITMAP(allow_native, SECCOMP_ARCH_NATIVE_NR);
#ifdef SECCOMP_ARCH_COMPAT
DECLARE_BITMAP(allow_compat, SECCOMP_ARCH_COMPAT_NR);
#endif
};
struct seccomp_filter {
refcount_t refs;
refcount_t users;
bool log;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0)
bool wait_killable_recv;
#endif
struct action_cache cache;
struct seccomp_filter *prev;
struct bpf_prog *prog;
struct notification *notif;
struct mutex notify_lock;
wait_queue_head_t wqh;
};
void ksu_seccomp_clear_cache(struct seccomp_filter *filter, int nr)
{
if (!filter) {
return;
}
if (nr >= 0 && nr < SECCOMP_ARCH_NATIVE_NR) {
clear_bit(nr, filter->cache.allow_native);
}
#ifdef SECCOMP_ARCH_COMPAT
if (nr >= 0 && nr < SECCOMP_ARCH_COMPAT_NR) {
clear_bit(nr, filter->cache.allow_compat);
}
#endif
}
void ksu_seccomp_allow_cache(struct seccomp_filter *filter, int nr)
{
if (!filter) {
return;
}
if (nr >= 0 && nr < SECCOMP_ARCH_NATIVE_NR) {
set_bit(nr, filter->cache.allow_native);
}
#ifdef SECCOMP_ARCH_COMPAT
if (nr >= 0 && nr < SECCOMP_ARCH_COMPAT_NR) {
set_bit(nr, filter->cache.allow_compat);
}
#endif
}
#endif

View File

@@ -1,12 +0,0 @@
#ifndef __KSU_H_SECCOMP_CACHE
#define __KSU_H_SECCOMP_CACHE
#include <linux/fs.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 2) // Android backport this feature in 5.10.2
extern void ksu_seccomp_clear_cache(struct seccomp_filter *filter, int nr);
extern void ksu_seccomp_allow_cache(struct seccomp_filter *filter, int nr);
#endif
#endif

View File

@@ -2,7 +2,15 @@ obj-y += selinux.o
obj-y += sepolicy.o
obj-y += rules.o
ccflags-y += -Wno-strict-prototypes -Wno-int-conversion
ifeq ($(shell grep -q " current_sid(void)" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_CURRENT_SID
endif
ifeq ($(shell grep -q "struct selinux_state " $(srctree)/security/selinux/include/security.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_SELINUX_STATE
endif
ccflags-y += -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-int-conversion
ccflags-y += -Wno-declaration-after-statement -Wno-unused-function
ccflags-y += -I$(srctree)/security/selinux -I$(srctree)/security/selinux/include
ccflags-y += -I$(objtree)/security/selinux -include $(srctree)/include/uapi/asm-generic/errno.h

View File

@@ -6,7 +6,7 @@
#include "selinux.h"
#include "sepolicy.h"
#include "ss/services.h"
#include "linux/lsm_audit.h" // IWYU pragma: keep
#include "linux/lsm_audit.h"
#include "xfrm.h"
#define SELINUX_POLICY_INSTEAD_SELINUX_SS
@@ -18,119 +18,119 @@
static struct policydb *get_policydb(void)
{
struct policydb *db;
struct selinux_policy *policy = selinux_state.policy;
db = &policy->policydb;
return db;
struct policydb *db;
struct selinux_policy *policy = selinux_state.policy;
db = &policy->policydb;
return db;
}
static DEFINE_MUTEX(ksu_rules);
void apply_kernelsu_rules()
{
struct policydb *db;
struct policydb *db;
if (!getenforce()) {
pr_info("SELinux permissive or disabled, apply rules!\n");
}
if (!getenforce()) {
pr_info("SELinux permissive or disabled, apply rules!\n");
}
mutex_lock(&ksu_rules);
mutex_lock(&ksu_rules);
db = get_policydb();
db = get_policydb();
ksu_permissive(db, KERNEL_SU_DOMAIN);
ksu_typeattribute(db, KERNEL_SU_DOMAIN, "mlstrustedsubject");
ksu_typeattribute(db, KERNEL_SU_DOMAIN, "netdomain");
ksu_typeattribute(db, KERNEL_SU_DOMAIN, "bluetoothdomain");
ksu_permissive(db, KERNEL_SU_DOMAIN);
ksu_typeattribute(db, KERNEL_SU_DOMAIN, "mlstrustedsubject");
ksu_typeattribute(db, KERNEL_SU_DOMAIN, "netdomain");
ksu_typeattribute(db, KERNEL_SU_DOMAIN, "bluetoothdomain");
// Create unconstrained file type
ksu_type(db, KERNEL_SU_FILE, "file_type");
ksu_typeattribute(db, KERNEL_SU_FILE, "mlstrustedobject");
ksu_allow(db, ALL, KERNEL_SU_FILE, ALL, ALL);
// Create unconstrained file type
ksu_type(db, KERNEL_SU_FILE, "file_type");
ksu_typeattribute(db, KERNEL_SU_FILE, "mlstrustedobject");
ksu_allow(db, ALL, KERNEL_SU_FILE, ALL, ALL);
// allow all!
ksu_allow(db, KERNEL_SU_DOMAIN, ALL, ALL, ALL);
// allow all!
ksu_allow(db, KERNEL_SU_DOMAIN, ALL, ALL, ALL);
// allow us do any ioctl
if (db->policyvers >= POLICYDB_VERSION_XPERMS_IOCTL) {
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "blk_file", ALL);
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "fifo_file", ALL);
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "chr_file", ALL);
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "file", ALL);
}
// allow us do any ioctl
if (db->policyvers >= POLICYDB_VERSION_XPERMS_IOCTL) {
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "blk_file", ALL);
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "fifo_file", ALL);
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "chr_file", ALL);
ksu_allowxperm(db, KERNEL_SU_DOMAIN, ALL, "file", ALL);
}
// we need to save allowlist in /data/adb/ksu
ksu_allow(db, "kernel", "adb_data_file", "dir", ALL);
ksu_allow(db, "kernel", "adb_data_file", "file", ALL);
// we need to search /data/app
ksu_allow(db, "kernel", "apk_data_file", "file", "open");
ksu_allow(db, "kernel", "apk_data_file", "dir", "open");
ksu_allow(db, "kernel", "apk_data_file", "dir", "read");
ksu_allow(db, "kernel", "apk_data_file", "dir", "search");
// we may need to do mount on shell
ksu_allow(db, "kernel", "shell_data_file", "file", ALL);
// we need to read /data/system/packages.list
ksu_allow(db, "kernel", "kernel", "capability", "dac_override");
// Android 10+:
// http://aospxref.com/android-12.0.0_r3/xref/system/sepolicy/private/file_contexts#512
ksu_allow(db, "kernel", "packages_list_file", "file", ALL);
// Kernel 4.4
ksu_allow(db, "kernel", "packages_list_file", "dir", ALL);
// Android 9-:
// http://aospxref.com/android-9.0.0_r61/xref/system/sepolicy/private/file_contexts#360
ksu_allow(db, "kernel", "system_data_file", "file", ALL);
ksu_allow(db, "kernel", "system_data_file", "dir", ALL);
// our ksud triggered by init
ksu_allow(db, "init", "adb_data_file", "file", ALL);
ksu_allow(db, "init", "adb_data_file", "dir", ALL); // #1289
ksu_allow(db, "init", KERNEL_SU_DOMAIN, ALL, ALL);
// we need to umount modules in zygote
ksu_allow(db, "zygote", "adb_data_file", "dir", "search");
// we need to save allowlist in /data/adb/ksu
ksu_allow(db, "kernel", "adb_data_file", "dir", ALL);
ksu_allow(db, "kernel", "adb_data_file", "file", ALL);
// we need to search /data/app
ksu_allow(db, "kernel", "apk_data_file", "file", "open");
ksu_allow(db, "kernel", "apk_data_file", "dir", "open");
ksu_allow(db, "kernel", "apk_data_file", "dir", "read");
ksu_allow(db, "kernel", "apk_data_file", "dir", "search");
// we may need to do mount on shell
ksu_allow(db, "kernel", "shell_data_file", "file", ALL);
// we need to read /data/system/packages.list
ksu_allow(db, "kernel", "kernel", "capability", "dac_override");
// Android 10+:
// http://aospxref.com/android-12.0.0_r3/xref/system/sepolicy/private/file_contexts#512
ksu_allow(db, "kernel", "packages_list_file", "file", ALL);
// Kernel 4.4
ksu_allow(db, "kernel", "packages_list_file", "dir", ALL);
// Android 9-:
// http://aospxref.com/android-9.0.0_r61/xref/system/sepolicy/private/file_contexts#360
ksu_allow(db, "kernel", "system_data_file", "file", ALL);
ksu_allow(db, "kernel", "system_data_file", "dir", ALL);
// our ksud triggered by init
ksu_allow(db, "init", "adb_data_file", "file", ALL);
ksu_allow(db, "init", "adb_data_file", "dir", ALL); // #1289
ksu_allow(db, "init", KERNEL_SU_DOMAIN, ALL, ALL);
// we need to umount modules in zygote
ksu_allow(db, "zygote", "adb_data_file", "dir", "search");
// copied from Magisk rules
// suRights
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "dir", "search");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "dir", "read");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "file", "open");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "file", "read");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "process", "getattr");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "process", "sigchld");
// copied from Magisk rules
// suRights
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "dir", "search");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "dir", "read");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "file", "open");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "file", "read");
ksu_allow(db, "servicemanager", KERNEL_SU_DOMAIN, "process", "getattr");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "process", "sigchld");
// allowLog
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "dir", "search");
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "file", "read");
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "file", "open");
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "file", "getattr");
// allowLog
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "dir", "search");
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "file", "read");
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "file", "open");
ksu_allow(db, "logd", KERNEL_SU_DOMAIN, "file", "getattr");
// dumpsys
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fd", "use");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "write");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "read");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "open");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "getattr");
// dumpsys
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fd", "use");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "write");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "read");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "open");
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "fifo_file", "getattr");
// bootctl
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "dir", "search");
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "file", "read");
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "file", "open");
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "process",
"getattr");
// bootctl
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "dir", "search");
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "file", "read");
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "file", "open");
ksu_allow(db, "hwservicemanager", KERNEL_SU_DOMAIN, "process",
"getattr");
// For mounting loop devices, mirrors, tmpfs
ksu_allow(db, "kernel", ALL, "file", "read");
ksu_allow(db, "kernel", ALL, "file", "write");
// For mounting loop devices, mirrors, tmpfs
ksu_allow(db, "kernel", ALL, "file", "read");
ksu_allow(db, "kernel", ALL, "file", "write");
// Allow all binder transactions
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "binder", ALL);
// Allow all binder transactions
ksu_allow(db, ALL, KERNEL_SU_DOMAIN, "binder", ALL);
// Allow system server kill su process
ksu_allow(db, "system_server", KERNEL_SU_DOMAIN, "process", "getpgid");
ksu_allow(db, "system_server", KERNEL_SU_DOMAIN, "process", "sigkill");
// https://android-review.googlesource.com/c/platform/system/logging/+/3725346
ksu_dontaudit(db, "untrusted_app", KERNEL_SU_DOMAIN, "dir", "getattr");
// https://android-review.googlesource.com/c/platform/system/logging/+/3725346
ksu_dontaudit(db, "untrusted_app", KERNEL_SU_DOMAIN, "dir", "getattr");
mutex_unlock(&ksu_rules);
mutex_unlock(&ksu_rules);
}
#define MAX_SEPOL_LEN 128
@@ -145,333 +145,401 @@ void apply_kernelsu_rules()
#define CMD_TYPE_CHANGE 8
#define CMD_GENFSCON 9
#ifdef CONFIG_64BIT
struct sepol_data {
u32 cmd;
u32 subcmd;
char __user *sepol1;
char __user *sepol2;
char __user *sepol3;
char __user *sepol4;
char __user *sepol5;
char __user *sepol6;
char __user *sepol7;
u32 cmd;
u32 subcmd;
u64 field_sepol1;
u64 field_sepol2;
u64 field_sepol3;
u64 field_sepol4;
u64 field_sepol5;
u64 field_sepol6;
u64 field_sepol7;
};
#ifdef CONFIG_COMPAT
extern bool ksu_is_compat __read_mostly;
struct sepol_compat_data {
u32 cmd;
u32 subcmd;
u32 field_sepol1;
u32 field_sepol2;
u32 field_sepol3;
u32 field_sepol4;
u32 field_sepol5;
u32 field_sepol6;
u32 field_sepol7;
};
#endif // CONFIG_COMPAT
#else
struct sepol_data {
u32 cmd;
u32 subcmd;
u32 field_sepol1;
u32 field_sepol2;
u32 field_sepol3;
u32 field_sepol4;
u32 field_sepol5;
u32 field_sepol6;
u32 field_sepol7;
};
#endif // CONFIG_64BIT
static int get_object(char *buf, char __user *user_object, size_t buf_sz,
char **object)
char **object)
{
if (!user_object) {
*object = ALL;
return 0;
}
if (!user_object) {
*object = ALL;
return 0;
}
if (strncpy_from_user(buf, user_object, buf_sz) < 0) {
return -EINVAL;
}
if (strncpy_from_user(buf, user_object, buf_sz) < 0) {
return -1;
}
*object = buf;
*object = buf;
return 0;
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0))
extern int avc_ss_reset(u32 seqno);
#else
extern int avc_ss_reset(struct selinux_avc *avc, u32 seqno);
#endif
// reset avc cache table, otherwise the new rules will not take effect if already denied
static void reset_avc_cache()
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0))
avc_ss_reset(0);
selnl_notify_policyload(0);
selinux_status_update_policyload(0);
avc_ss_reset(0);
selnl_notify_policyload(0);
selinux_status_update_policyload(0);
#else
struct selinux_avc *avc = selinux_state.avc;
avc_ss_reset(avc, 0);
selnl_notify_policyload(0);
selinux_status_update_policyload(&selinux_state, 0);
struct selinux_avc *avc = selinux_state.avc;
avc_ss_reset(avc, 0);
selnl_notify_policyload(0);
selinux_status_update_policyload(&selinux_state, 0);
#endif
selinux_xfrm_notify_policyload();
selinux_xfrm_notify_policyload();
}
int handle_sepolicy(unsigned long arg3, void __user *arg4)
{
struct policydb *db;
struct policydb *db;
if (!arg4) {
return -EINVAL;
}
if (!arg4) {
return -1;
}
if (!getenforce()) {
pr_info("SELinux permissive or disabled when handle policy!\n");
}
if (!getenforce()) {
pr_info("SELinux permissive or disabled when handle policy!\n");
}
struct sepol_data data;
if (copy_from_user(&data, arg4, sizeof(struct sepol_data))) {
pr_err("sepol: copy sepol_data failed.\n");
return -EINVAL;
}
u32 cmd, subcmd;
char __user *sepol1, *sepol2, *sepol3, *sepol4, *sepol5, *sepol6, *sepol7;
u32 cmd = data.cmd;
u32 subcmd = data.subcmd;
#if defined(CONFIG_64BIT) && defined(CONFIG_COMPAT)
if (unlikely(ksu_is_compat)) {
struct sepol_compat_data compat_data;
if (copy_from_user(&compat_data, arg4, sizeof(struct sepol_compat_data))) {
pr_err("sepol: copy sepol_data failed.\n");
return -1;
}
sepol1 = compat_ptr(compat_data.field_sepol1);
sepol2 = compat_ptr(compat_data.field_sepol2);
sepol3 = compat_ptr(compat_data.field_sepol3);
sepol4 = compat_ptr(compat_data.field_sepol4);
sepol5 = compat_ptr(compat_data.field_sepol5);
sepol6 = compat_ptr(compat_data.field_sepol6);
sepol7 = compat_ptr(compat_data.field_sepol7);
cmd = compat_data.cmd;
subcmd = compat_data.subcmd;
} else {
struct sepol_data data;
if (copy_from_user(&data, arg4, sizeof(struct sepol_data))) {
pr_err("sepol: copy sepol_data failed.\n");
return -1;
}
sepol1 = data.field_sepol1;
sepol2 = data.field_sepol2;
sepol3 = data.field_sepol3;
sepol4 = data.field_sepol4;
sepol5 = data.field_sepol5;
sepol6 = data.field_sepol6;
sepol7 = data.field_sepol7;
cmd = data.cmd;
subcmd = data.subcmd;
}
#else
// basically for full native, say (64BIT=y COMPAT=n) || (64BIT=n)
struct sepol_data data;
if (copy_from_user(&data, arg4, sizeof(struct sepol_data))) {
pr_err("sepol: copy sepol_data failed.\n");
return -1;
}
sepol1 = data.field_sepol1;
sepol2 = data.field_sepol2;
sepol3 = data.field_sepol3;
sepol4 = data.field_sepol4;
sepol5 = data.field_sepol5;
sepol6 = data.field_sepol6;
sepol7 = data.field_sepol7;
cmd = data.cmd;
subcmd = data.subcmd;
#endif
mutex_lock(&ksu_rules);
mutex_lock(&ksu_rules);
db = get_policydb();
db = get_policydb();
int ret = -EINVAL;
if (cmd == CMD_NORMAL_PERM) {
char src_buf[MAX_SEPOL_LEN];
char tgt_buf[MAX_SEPOL_LEN];
char cls_buf[MAX_SEPOL_LEN];
char perm_buf[MAX_SEPOL_LEN];
int ret = -1;
if (cmd == CMD_NORMAL_PERM) {
char src_buf[MAX_SEPOL_LEN];
char tgt_buf[MAX_SEPOL_LEN];
char cls_buf[MAX_SEPOL_LEN];
char perm_buf[MAX_SEPOL_LEN];
char *s, *t, *c, *p;
if (get_object(src_buf, data.sepol1, sizeof(src_buf), &s) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
char *s, *t, *c, *p;
if (get_object(src_buf, sepol1, sizeof(src_buf), &s) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (get_object(tgt_buf, data.sepol2, sizeof(tgt_buf), &t) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (get_object(tgt_buf, sepol2, sizeof(tgt_buf), &t) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (get_object(cls_buf, data.sepol3, sizeof(cls_buf), &c) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (get_object(cls_buf, sepol3, sizeof(cls_buf), &c) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (get_object(perm_buf, data.sepol4, sizeof(perm_buf), &p) <
0) {
pr_err("sepol: copy perm failed.\n");
goto exit;
}
if (get_object(perm_buf, sepol4, sizeof(perm_buf), &p) <
0) {
pr_err("sepol: copy perm failed.\n");
goto exit;
}
bool success = false;
if (subcmd == 1) {
success = ksu_allow(db, s, t, c, p);
} else if (subcmd == 2) {
success = ksu_deny(db, s, t, c, p);
} else if (subcmd == 3) {
success = ksu_auditallow(db, s, t, c, p);
} else if (subcmd == 4) {
success = ksu_dontaudit(db, s, t, c, p);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
ret = success ? 0 : -EINVAL;
bool success = false;
if (subcmd == 1) {
success = ksu_allow(db, s, t, c, p);
} else if (subcmd == 2) {
success = ksu_deny(db, s, t, c, p);
} else if (subcmd == 3) {
success = ksu_auditallow(db, s, t, c, p);
} else if (subcmd == 4) {
success = ksu_dontaudit(db, s, t, c, p);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
ret = success ? 0 : -1;
} else if (cmd == CMD_XPERM) {
char src_buf[MAX_SEPOL_LEN];
char tgt_buf[MAX_SEPOL_LEN];
char cls_buf[MAX_SEPOL_LEN];
} else if (cmd == CMD_XPERM) {
char src_buf[MAX_SEPOL_LEN];
char tgt_buf[MAX_SEPOL_LEN];
char cls_buf[MAX_SEPOL_LEN];
char __maybe_unused
operation[MAX_SEPOL_LEN]; // it is always ioctl now!
char perm_set[MAX_SEPOL_LEN];
char __maybe_unused
operation[MAX_SEPOL_LEN]; // it is always ioctl now!
char perm_set[MAX_SEPOL_LEN];
char *s, *t, *c;
if (get_object(src_buf, data.sepol1, sizeof(src_buf), &s) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (get_object(tgt_buf, data.sepol2, sizeof(tgt_buf), &t) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (get_object(cls_buf, data.sepol3, sizeof(cls_buf), &c) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (strncpy_from_user(operation, data.sepol4,
sizeof(operation)) < 0) {
pr_err("sepol: copy operation failed.\n");
goto exit;
}
if (strncpy_from_user(perm_set, data.sepol5, sizeof(perm_set)) <
0) {
pr_err("sepol: copy perm_set failed.\n");
goto exit;
}
char *s, *t, *c;
if (get_object(src_buf, sepol1, sizeof(src_buf), &s) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (get_object(tgt_buf, sepol2, sizeof(tgt_buf), &t) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (get_object(cls_buf, sepol3, sizeof(cls_buf), &c) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (strncpy_from_user(operation, sepol4,
sizeof(operation)) < 0) {
pr_err("sepol: copy operation failed.\n");
goto exit;
}
if (strncpy_from_user(perm_set, sepol5, sizeof(perm_set)) <
0) {
pr_err("sepol: copy perm_set failed.\n");
goto exit;
}
bool success = false;
if (subcmd == 1) {
success = ksu_allowxperm(db, s, t, c, perm_set);
} else if (subcmd == 2) {
success = ksu_auditallowxperm(db, s, t, c, perm_set);
} else if (subcmd == 3) {
success = ksu_dontauditxperm(db, s, t, c, perm_set);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
ret = success ? 0 : -EINVAL;
} else if (cmd == CMD_TYPE_STATE) {
char src[MAX_SEPOL_LEN];
bool success = false;
if (subcmd == 1) {
success = ksu_allowxperm(db, s, t, c, perm_set);
} else if (subcmd == 2) {
success = ksu_auditallowxperm(db, s, t, c, perm_set);
} else if (subcmd == 3) {
success = ksu_dontauditxperm(db, s, t, c, perm_set);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
ret = success ? 0 : -1;
} else if (cmd == CMD_TYPE_STATE) {
char src[MAX_SEPOL_LEN];
if (strncpy_from_user(src, data.sepol1, sizeof(src)) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (strncpy_from_user(src, sepol1, sizeof(src)) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
bool success = false;
if (subcmd == 1) {
success = ksu_permissive(db, src);
} else if (subcmd == 2) {
success = ksu_enforce(db, src);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
if (success)
ret = 0;
bool success = false;
if (subcmd == 1) {
success = ksu_permissive(db, src);
} else if (subcmd == 2) {
success = ksu_enforce(db, src);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
if (success)
ret = 0;
} else if (cmd == CMD_TYPE || cmd == CMD_TYPE_ATTR) {
char type[MAX_SEPOL_LEN];
char attr[MAX_SEPOL_LEN];
} else if (cmd == CMD_TYPE || cmd == CMD_TYPE_ATTR) {
char type[MAX_SEPOL_LEN];
char attr[MAX_SEPOL_LEN];
if (strncpy_from_user(type, data.sepol1, sizeof(type)) < 0) {
pr_err("sepol: copy type failed.\n");
goto exit;
}
if (strncpy_from_user(attr, data.sepol2, sizeof(attr)) < 0) {
pr_err("sepol: copy attr failed.\n");
goto exit;
}
if (strncpy_from_user(type, sepol1, sizeof(type)) < 0) {
pr_err("sepol: copy type failed.\n");
goto exit;
}
if (strncpy_from_user(attr, sepol2, sizeof(attr)) < 0) {
pr_err("sepol: copy attr failed.\n");
goto exit;
}
bool success = false;
if (cmd == CMD_TYPE) {
success = ksu_type(db, type, attr);
} else {
success = ksu_typeattribute(db, type, attr);
}
if (!success) {
pr_err("sepol: %d failed.\n", cmd);
goto exit;
}
ret = 0;
bool success = false;
if (cmd == CMD_TYPE) {
success = ksu_type(db, type, attr);
} else {
success = ksu_typeattribute(db, type, attr);
}
if (!success) {
pr_err("sepol: %d failed.\n", cmd);
goto exit;
}
ret = 0;
} else if (cmd == CMD_ATTR) {
char attr[MAX_SEPOL_LEN];
} else if (cmd == CMD_ATTR) {
char attr[MAX_SEPOL_LEN];
if (strncpy_from_user(attr, data.sepol1, sizeof(attr)) < 0) {
pr_err("sepol: copy attr failed.\n");
goto exit;
}
if (!ksu_attribute(db, attr)) {
pr_err("sepol: %d failed.\n", cmd);
goto exit;
}
ret = 0;
if (strncpy_from_user(attr, sepol1, sizeof(attr)) < 0) {
pr_err("sepol: copy attr failed.\n");
goto exit;
}
if (!ksu_attribute(db, attr)) {
pr_err("sepol: %d failed.\n", cmd);
goto exit;
}
ret = 0;
} else if (cmd == CMD_TYPE_TRANSITION) {
char src[MAX_SEPOL_LEN];
char tgt[MAX_SEPOL_LEN];
char cls[MAX_SEPOL_LEN];
char default_type[MAX_SEPOL_LEN];
char object[MAX_SEPOL_LEN];
} else if (cmd == CMD_TYPE_TRANSITION) {
char src[MAX_SEPOL_LEN];
char tgt[MAX_SEPOL_LEN];
char cls[MAX_SEPOL_LEN];
char default_type[MAX_SEPOL_LEN];
char object[MAX_SEPOL_LEN];
if (strncpy_from_user(src, data.sepol1, sizeof(src)) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (strncpy_from_user(tgt, data.sepol2, sizeof(tgt)) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (strncpy_from_user(cls, data.sepol3, sizeof(cls)) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (strncpy_from_user(default_type, data.sepol4,
sizeof(default_type)) < 0) {
pr_err("sepol: copy default_type failed.\n");
goto exit;
}
char *real_object;
if (data.sepol5 == NULL) {
real_object = NULL;
} else {
if (strncpy_from_user(object, data.sepol5,
sizeof(object)) < 0) {
pr_err("sepol: copy object failed.\n");
goto exit;
}
real_object = object;
}
if (strncpy_from_user(src, sepol1, sizeof(src)) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (strncpy_from_user(tgt, sepol2, sizeof(tgt)) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (strncpy_from_user(cls, sepol3, sizeof(cls)) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (strncpy_from_user(default_type, sepol4,
sizeof(default_type)) < 0) {
pr_err("sepol: copy default_type failed.\n");
goto exit;
}
char *real_object;
if (sepol5 == NULL) {
real_object = NULL;
} else {
if (strncpy_from_user(object, sepol5,
sizeof(object)) < 0) {
pr_err("sepol: copy object failed.\n");
goto exit;
}
real_object = object;
}
bool success = ksu_type_transition(db, src, tgt, cls,
default_type, real_object);
if (success)
ret = 0;
bool success = ksu_type_transition(db, src, tgt, cls,
default_type, real_object);
if (success)
ret = 0;
} else if (cmd == CMD_TYPE_CHANGE) {
char src[MAX_SEPOL_LEN];
char tgt[MAX_SEPOL_LEN];
char cls[MAX_SEPOL_LEN];
char default_type[MAX_SEPOL_LEN];
} else if (cmd == CMD_TYPE_CHANGE) {
char src[MAX_SEPOL_LEN];
char tgt[MAX_SEPOL_LEN];
char cls[MAX_SEPOL_LEN];
char default_type[MAX_SEPOL_LEN];
if (strncpy_from_user(src, data.sepol1, sizeof(src)) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (strncpy_from_user(tgt, data.sepol2, sizeof(tgt)) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (strncpy_from_user(cls, data.sepol3, sizeof(cls)) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (strncpy_from_user(default_type, data.sepol4,
sizeof(default_type)) < 0) {
pr_err("sepol: copy default_type failed.\n");
goto exit;
}
bool success = false;
if (subcmd == 1) {
success = ksu_type_change(db, src, tgt, cls,
default_type);
} else if (subcmd == 2) {
success = ksu_type_member(db, src, tgt, cls,
default_type);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
if (success)
ret = 0;
} else if (cmd == CMD_GENFSCON) {
char name[MAX_SEPOL_LEN];
char path[MAX_SEPOL_LEN];
char context[MAX_SEPOL_LEN];
if (strncpy_from_user(name, data.sepol1, sizeof(name)) < 0) {
pr_err("sepol: copy name failed.\n");
goto exit;
}
if (strncpy_from_user(path, data.sepol2, sizeof(path)) < 0) {
pr_err("sepol: copy path failed.\n");
goto exit;
}
if (strncpy_from_user(context, data.sepol3, sizeof(context)) <
0) {
pr_err("sepol: copy context failed.\n");
goto exit;
}
if (strncpy_from_user(src, sepol1, sizeof(src)) < 0) {
pr_err("sepol: copy src failed.\n");
goto exit;
}
if (strncpy_from_user(tgt, sepol2, sizeof(tgt)) < 0) {
pr_err("sepol: copy tgt failed.\n");
goto exit;
}
if (strncpy_from_user(cls, sepol3, sizeof(cls)) < 0) {
pr_err("sepol: copy cls failed.\n");
goto exit;
}
if (strncpy_from_user(default_type, sepol4,
sizeof(default_type)) < 0) {
pr_err("sepol: copy default_type failed.\n");
goto exit;
}
bool success = false;
if (subcmd == 1) {
success = ksu_type_change(db, src, tgt, cls,
default_type);
} else if (subcmd == 2) {
success = ksu_type_member(db, src, tgt, cls,
default_type);
} else {
pr_err("sepol: unknown subcmd: %d\n", subcmd);
}
if (success)
ret = 0;
} else if (cmd == CMD_GENFSCON) {
char name[MAX_SEPOL_LEN];
char path[MAX_SEPOL_LEN];
char context[MAX_SEPOL_LEN];
if (strncpy_from_user(name, sepol1, sizeof(name)) < 0) {
pr_err("sepol: copy name failed.\n");
goto exit;
}
if (strncpy_from_user(path, sepol2, sizeof(path)) < 0) {
pr_err("sepol: copy path failed.\n");
goto exit;
}
if (strncpy_from_user(context, sepol3, sizeof(context)) <
0) {
pr_err("sepol: copy context failed.\n");
goto exit;
}
if (!ksu_genfscon(db, name, path, context)) {
pr_err("sepol: %d failed.\n", cmd);
goto exit;
}
ret = 0;
} else {
pr_err("sepol: unknown cmd: %d\n", cmd);
}
if (!ksu_genfscon(db, name, path, context)) {
pr_err("sepol: %d failed.\n", cmd);
goto exit;
}
ret = 0;
} else {
pr_err("sepol: unknown cmd: %d\n", cmd);
}
exit:
mutex_unlock(&ksu_rules);
mutex_unlock(&ksu_rules);
// only allow and xallow needs to reset avc cache, but we cannot do that because
// we are in atomic context. so we just reset it every time.
reset_avc_cache();
// only allow and xallow needs to reset avc cache, but we cannot do that because
// we are in atomic context. so we just reset it every time.
reset_avc_cache();
return ret;
return ret;
}

View File

@@ -1,6 +1,4 @@
#include "selinux.h"
#include "linux/cred.h"
#include "linux/sched.h"
#include "objsec.h"
#include "linux/version.h"
#include "../klog.h" // IWYU pragma: keep
@@ -9,146 +7,124 @@
static int transive_to_domain(const char *domain)
{
struct cred *cred;
struct task_security_struct *tsec;
u32 sid;
int error;
struct cred *cred;
struct task_security_struct *tsec;
u32 sid;
int error;
cred = (struct cred *)__task_cred(current);
cred = (struct cred *)__task_cred(current);
tsec = cred->security;
if (!tsec) {
pr_err("tsec == NULL!\n");
return -1;
}
tsec = cred->security;
if (!tsec) {
pr_err("tsec == NULL!\n");
return -1;
}
error = security_secctx_to_secid(domain, strlen(domain), &sid);
if (error) {
pr_info("security_secctx_to_secid %s -> sid: %d, error: %d\n",
domain, sid, error);
}
if (!error) {
tsec->sid = sid;
tsec->create_sid = 0;
tsec->keycreate_sid = 0;
tsec->sockcreate_sid = 0;
}
return error;
error = security_secctx_to_secid(domain, strlen(domain), &sid);
if (error) {
pr_info("security_secctx_to_secid %s -> sid: %d, error: %d\n",
domain, sid, error);
}
if (!error) {
tsec->sid = sid;
tsec->create_sid = 0;
tsec->keycreate_sid = 0;
tsec->sockcreate_sid = 0;
}
return error;
}
void setup_selinux(const char *domain)
{
if (transive_to_domain(domain)) {
pr_err("transive domain failed.\n");
return;
}
if (transive_to_domain(domain)) {
pr_err("transive domain failed.\n");
return;
}
/* we didn't need this now, we have change selinux rules when boot!
if (!is_domain_permissive) {
if (set_domain_permissive() == 0) {
is_domain_permissive = true;
}
}*/
}
void setenforce(bool enforce)
{
#ifdef CONFIG_SECURITY_SELINUX_DEVELOP
selinux_state.enforcing = enforce;
selinux_state.enforcing = enforce;
#endif
}
bool getenforce()
{
#ifdef CONFIG_SECURITY_SELINUX_DISABLE
if (selinux_state.disabled) {
return false;
}
if (selinux_state.disabled) {
return false;
}
#endif
#ifdef CONFIG_SECURITY_SELINUX_DEVELOP
return selinux_state.enforcing;
return selinux_state.enforcing;
#else
return true;
return true;
#endif
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 14, 0)
struct lsm_context {
char *context;
u32 len;
};
#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0)) && \
!defined(KSU_COMPAT_HAS_CURRENT_SID)
/*
* get the subjective security ID of the current task
*/
static inline u32 current_sid(void)
{
const struct task_security_struct *tsec = current_security();
static int __security_secid_to_secctx(u32 secid, struct lsm_context *cp)
{
return security_secid_to_secctx(secid, &cp->context, &cp->len);
return tsec->sid;
}
static void __security_release_secctx(struct lsm_context *cp)
{
return security_release_secctx(cp->context, cp->len);
}
#else
#define __security_secid_to_secctx security_secid_to_secctx
#define __security_release_secctx security_release_secctx
#endif
bool is_task_ksu_domain(const struct cred* cred)
{
struct lsm_context ctx;
bool result;
if (!cred) {
return false;
}
const struct task_security_struct *tsec = selinux_cred(cred);
if (!tsec) {
return false;
}
int err = __security_secid_to_secctx(tsec->sid, &ctx);
if (err) {
return false;
}
result = strncmp(KERNEL_SU_DOMAIN, ctx.context, ctx.len) == 0;
__security_release_secctx(&ctx);
return result;
}
bool is_ksu_domain()
{
current_sid();
return is_task_ksu_domain(current_cred());
char *domain;
u32 seclen;
bool result;
int err = security_secid_to_secctx(current_sid(), &domain, &seclen);
if (err) {
return false;
}
result = strncmp(KERNEL_SU_DOMAIN, domain, seclen) == 0;
security_release_secctx(domain, seclen);
return result;
}
bool is_context(const struct cred* cred, const char* context)
bool is_zygote(void *sec)
{
if (!cred) {
return false;
}
const struct task_security_struct * tsec = selinux_cred(cred);
if (!tsec) {
return false;
}
struct lsm_context ctx;
bool result;
int err = __security_secid_to_secctx(tsec->sid, &ctx);
if (err) {
return false;
}
result = strncmp(context, ctx.context, ctx.len) == 0;
__security_release_secctx(&ctx);
return result;
struct task_security_struct *tsec = (struct task_security_struct *)sec;
if (!tsec) {
return false;
}
char *domain;
u32 seclen;
bool result;
int err = security_secid_to_secctx(tsec->sid, &domain, &seclen);
if (err) {
return false;
}
result = strncmp("u:r:zygote:s0", domain, seclen) == 0;
security_release_secctx(domain, seclen);
return result;
}
bool is_zygote(const struct cred* cred)
#define DEVPTS_DOMAIN "u:object_r:ksu_file:s0"
u32 ksu_get_devpts_sid()
{
return is_context(cred, "u:r:zygote:s0");
}
bool is_init(const struct cred* cred) {
return is_context(cred, "u:r:init:s0");
}
#define KSU_FILE_DOMAIN "u:object_r:ksu_file:s0"
u32 ksu_get_ksu_file_sid()
{
u32 ksu_file_sid = 0;
int err = security_secctx_to_secid(KSU_FILE_DOMAIN, strlen(KSU_FILE_DOMAIN),
&ksu_file_sid);
if (err) {
pr_info("get ksufile sid err %d\n", err);
}
return ksu_file_sid;
u32 devpts_sid = 0;
int err = security_secctx_to_secid(DEVPTS_DOMAIN, strlen(DEVPTS_DOMAIN),
&devpts_sid);
if (err) {
pr_info("get devpts sid err %d\n", err);
}
return devpts_sid;
}

View File

@@ -3,7 +3,6 @@
#include "linux/types.h"
#include "linux/version.h"
#include "linux/cred.h"
void setup_selinux(const char *);
@@ -11,18 +10,12 @@ void setenforce(bool);
bool getenforce();
bool is_task_ksu_domain(const struct cred* cred);
bool is_ksu_domain();
bool is_zygote(const struct cred* cred);
bool is_init(const struct cred* cred);
bool is_zygote(void *cred);
void apply_kernelsu_rules();
u32 ksu_get_ksu_file_sid();
int handle_sepolicy(unsigned long arg3, void __user *arg4);
u32 ksu_get_devpts_sid();
#endif

File diff suppressed because it is too large Load Diff

View File

@@ -15,32 +15,32 @@ bool ksu_exists(struct policydb *db, const char *type);
// Access vector rules
bool ksu_allow(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *perm);
const char *cls, const char *perm);
bool ksu_deny(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *perm);
const char *cls, const char *perm);
bool ksu_auditallow(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *perm);
const char *cls, const char *perm);
bool ksu_dontaudit(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *perm);
const char *cls, const char *perm);
// Extended permissions access vector rules
bool ksu_allowxperm(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *range);
const char *cls, const char *range);
bool ksu_auditallowxperm(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *range);
const char *cls, const char *range);
bool ksu_dontauditxperm(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *range);
const char *cls, const char *range);
// Type rules
bool ksu_type_transition(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *def, const char *obj);
const char *cls, const char *def, const char *obj);
bool ksu_type_change(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *def);
const char *cls, const char *def);
bool ksu_type_member(struct policydb *db, const char *src, const char *tgt,
const char *cls, const char *def);
const char *cls, const char *def);
// File system labeling
bool ksu_genfscon(struct policydb *db, const char *fs_name, const char *path,
const char *ctx);
const char *ctx);
#endif

View File

@@ -1,171 +0,0 @@
#include <linux/compiler.h>
#include <linux/sched/signal.h>
#include <linux/slab.h>
#include <linux/task_work.h>
#include <linux/thread_info.h>
#include <linux/seccomp.h>
#include <linux/bpf.h>
#include <linux/capability.h>
#include <linux/cred.h>
#include <linux/dcache.h>
#include <linux/err.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/init_task.h>
#include <linux/kernel.h>
#include <linux/kprobes.h>
#include <linux/mm.h>
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/nsproxy.h>
#include <linux/path.h>
#include <linux/printk.h>
#include <linux/sched.h>
#include <linux/security.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/uidgid.h>
#include <linux/version.h>
#include <linux/binfmts.h>
#include <linux/tty.h>
#include "allowlist.h"
#include "setuid_hook.h"
#include "feature.h"
#include "klog.h" // IWYU pragma: keep
#include "manager.h"
#include "selinux/selinux.h"
#include "seccomp_cache.h"
#include "supercalls.h"
#include "syscall_hook_manager.h"
#include "kernel_umount.h"
#include "app_profile.h"
static bool ksu_enhanced_security_enabled = false;
static int enhanced_security_feature_get(u64 *value)
{
*value = ksu_enhanced_security_enabled ? 1 : 0;
return 0;
}
static int enhanced_security_feature_set(u64 value)
{
bool enable = value != 0;
ksu_enhanced_security_enabled = enable;
pr_info("enhanced_security: set to %d\n", enable);
return 0;
}
static const struct ksu_feature_handler enhanced_security_handler = {
.feature_id = KSU_FEATURE_ENHANCED_SECURITY,
.name = "enhanced_security",
.get_handler = enhanced_security_feature_get,
.set_handler = enhanced_security_feature_set,
};
static inline bool is_allow_su()
{
if (is_manager()) {
// we are manager, allow!
return true;
}
return ksu_is_allow_uid_for_current(current_uid().val);
}
int ksu_handle_setresuid(uid_t ruid, uid_t euid, uid_t suid)
{
uid_t new_uid = ruid;
uid_t old_uid = current_uid().val;
pr_info("handle_setresuid from %d to %d\n", old_uid, new_uid);
// if old process is root, ignore it.
if (old_uid != 0 && ksu_enhanced_security_enabled) {
// disallow any non-ksu domain escalation from non-root to root!
// euid is what we care about here as it controls permission
if (unlikely(euid == 0)) {
if (!is_ksu_domain()) {
pr_warn("find suspicious EoP: %d %s, from %d to %d\n",
current->pid, current->comm, old_uid, new_uid);
force_sig(SIGKILL);
return 0;
}
}
// disallow appuid decrease to any other uid if it is not allowed to su
if (is_appuid(old_uid)) {
if (euid < current_euid().val && !ksu_is_allow_uid_for_current(old_uid)) {
pr_warn("find suspicious EoP: %d %s, from %d to %d\n",
current->pid, current->comm, old_uid, new_uid);
force_sig(SIGKILL);
return 0;
}
}
return 0;
}
// if on private space, see if its possibly the manager
if (new_uid > PER_USER_RANGE && new_uid % PER_USER_RANGE == ksu_get_manager_uid()) {
ksu_set_manager_uid(new_uid);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)
if (ksu_get_manager_uid() == new_uid) {
pr_info("install fd for manager: %d\n", new_uid);
ksu_install_fd();
spin_lock_irq(&current->sighand->siglock);
ksu_seccomp_allow_cache(current->seccomp.filter, __NR_reboot);
ksu_set_task_tracepoint_flag(current);
spin_unlock_irq(&current->sighand->siglock);
return 0;
}
if (ksu_is_allow_uid_for_current(new_uid)) {
if (current->seccomp.mode == SECCOMP_MODE_FILTER &&
current->seccomp.filter) {
spin_lock_irq(&current->sighand->siglock);
ksu_seccomp_allow_cache(current->seccomp.filter, __NR_reboot);
spin_unlock_irq(&current->sighand->siglock);
}
ksu_set_task_tracepoint_flag(current);
} else {
ksu_clear_task_tracepoint_flag_if_needed(current);
}
#else
if (ksu_is_allow_uid_for_current(new_uid)) {
spin_lock_irq(&current->sighand->siglock);
disable_seccomp();
spin_unlock_irq(&current->sighand->siglock);
if (ksu_get_manager_uid() == new_uid) {
pr_info("install fd for ksu manager(uid=%d)\n",
new_uid);
ksu_install_fd();
}
return 0;
}
#endif
// Handle kernel umount
ksu_handle_umount(old_uid, new_uid);
return 0;
}
void ksu_setuid_hook_init(void)
{
ksu_kernel_umount_init();
if (ksu_register_feature_handler(&enhanced_security_handler)) {
pr_err("Failed to register enhanced security feature handler\n");
}
}
void ksu_setuid_hook_exit(void)
{
pr_info("ksu_core_exit\n");
ksu_kernel_umount_exit();
ksu_unregister_feature_handler(KSU_FEATURE_ENHANCED_SECURITY);
}

View File

@@ -1,14 +0,0 @@
#ifndef __KSU_H_KSU_CORE
#define __KSU_H_KSU_CORE
#include <linux/init.h>
#include <linux/types.h>
#include "apk_sign.h"
#include <linux/thread_info.h>
void ksu_setuid_hook_init(void);
void ksu_setuid_hook_exit(void);
int ksu_handle_setresuid(uid_t ruid, uid_t euid, uid_t suid);
#endif

View File

@@ -1,172 +1,342 @@
#include "linux/compiler.h"
#include "linux/printk.h"
#include <linux/dcache.h>
#include <linux/security.h>
#include <asm/current.h>
#include <linux/cred.h>
#include <linux/err.h>
#include <linux/fs.h>
#include <linux/kprobes.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/version.h>
#include <linux/sched/task_stack.h>
#include <linux/ptrace.h>
#include "objsec.h"
#include "allowlist.h"
#include "feature.h"
#include "arch.h"
#include "klog.h" // IWYU pragma: keep
#include "ksud.h"
#include "sucompat.h"
#include "app_profile.h"
#include "syscall_hook_manager.h"
#include "sulog.h"
#include "kernel_compat.h"
#define SU_PATH "/system/bin/su"
#define SH_PATH "/system/bin/sh"
bool ksu_su_compat_enabled __read_mostly = true;
extern void escape_to_root();
static int su_compat_feature_get(u64 *value)
{
*value = ksu_su_compat_enabled ? 1 : 0;
return 0;
}
static int su_compat_feature_set(u64 value)
{
bool enable = value != 0;
ksu_su_compat_enabled = enable;
pr_info("su_compat: set to %d\n", enable);
return 0;
}
static const struct ksu_feature_handler su_compat_handler = {
.feature_id = KSU_FEATURE_SU_COMPAT,
.name = "su_compat",
.get_handler = su_compat_feature_get,
.set_handler = su_compat_feature_set,
};
#ifndef CONFIG_KSU_KPROBES_HOOK
static bool ksu_sucompat_non_kp __read_mostly = true;
#endif
static void __user *userspace_stack_buffer(const void *d, size_t len)
{
// To avoid having to mmap a page in userspace, just write below the stack
// pointer.
char __user *p = (void __user *)current_user_stack_pointer() - len;
/* To avoid having to mmap a page in userspace, just write below the stack
* pointer. */
char __user *p = (void __user *)current_user_stack_pointer() - len;
return copy_to_user(p, d, len) ? NULL : p;
return copy_to_user(p, d, len) ? NULL : p;
}
static char __user *sh_user_path(void)
{
static const char sh_path[] = "/system/bin/sh";
static const char sh_path[] = "/system/bin/sh";
return userspace_stack_buffer(sh_path, sizeof(sh_path));
return userspace_stack_buffer(sh_path, sizeof(sh_path));
}
static char __user *ksud_user_path(void)
{
static const char ksud_path[] = KSUD_PATH;
static const char ksud_path[] = KSUD_PATH;
return userspace_stack_buffer(ksud_path, sizeof(ksud_path));
return userspace_stack_buffer(ksud_path, sizeof(ksud_path));
}
int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode,
int *__unused_flags)
int *__unused_flags)
{
const char su[] = SU_PATH;
const char su[] = SU_PATH;
if (!ksu_is_allow_uid_for_current(current_uid().val)) {
return 0;
}
char path[sizeof(su) + 1];
memset(path, 0, sizeof(path));
strncpy_from_user_nofault(path, *filename_user, sizeof(path));
if (unlikely(!memcmp(path, su, sizeof(su)))) {
#if __SULOG_GATE
ksu_sulog_report_syscall(current_uid().val, NULL, "faccessat", path);
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
#endif
pr_info("faccessat su->sh!\n");
*filename_user = sh_user_path();
}
return 0;
if (!ksu_is_allow_uid(current_uid().val)) {
return 0;
}
char path[sizeof(su) + 1];
memset(path, 0, sizeof(path));
ksu_strncpy_from_user_nofault(path, *filename_user, sizeof(path));
if (unlikely(!memcmp(path, su, sizeof(su)))) {
pr_info("faccessat su->sh!\n");
*filename_user = sh_user_path();
}
return 0;
}
int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags)
{
// const char sh[] = SH_PATH;
const char su[] = SU_PATH;
// const char sh[] = SH_PATH;
const char su[] = SU_PATH;
if (!ksu_is_allow_uid_for_current(current_uid().val)) {
return 0;
}
if (unlikely(!filename_user)) {
return 0;
}
char path[sizeof(su) + 1];
memset(path, 0, sizeof(path));
strncpy_from_user_nofault(path, *filename_user, sizeof(path));
if (unlikely(!memcmp(path, su, sizeof(su)))) {
#if __SULOG_GATE
ksu_sulog_report_syscall(current_uid().val, NULL, "newfstatat", path);
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
#endif
pr_info("newfstatat su->sh!\n");
*filename_user = sh_user_path();
}
if (!ksu_is_allow_uid(current_uid().val)) {
return 0;
}
return 0;
}
if (unlikely(!filename_user)) {
return 0;
}
int ksu_handle_execve_sucompat(const char __user **filename_user,
void *__never_use_argv, void *__never_use_envp,
int *__never_use_flags)
{
const char su[] = SU_PATH;
char path[sizeof(su) + 1];
if (unlikely(!filename_user))
return 0;
memset(path, 0, sizeof(path));
strncpy_from_user_nofault(path, *filename_user, sizeof(path));
if (likely(memcmp(path, su, sizeof(su))))
return 0;
#if __SULOG_GATE
bool is_allowed = ksu_is_allow_uid_for_current(current_uid().val);
ksu_sulog_report_syscall(current_uid().val, NULL, "execve", path);
if (!is_allowed)
return 0;
ksu_sulog_report_su_attempt(current_uid().val, NULL, path, is_allowed);
char path[sizeof(su) + 1];
memset(path, 0, sizeof(path));
// Remove this later!! we use syscall hook, so this will never happen!!!!!
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0) && 0
// it becomes a `struct filename *` after 5.18
// https://elixir.bootlin.com/linux/v5.18/source/fs/stat.c#L216
const char sh[] = SH_PATH;
struct filename *filename = *((struct filename **)filename_user);
if (IS_ERR(filename)) {
return 0;
}
if (likely(memcmp(filename->name, su, sizeof(su))))
return 0;
pr_info("vfs_statx su->sh!\n");
memcpy((void *)filename->name, sh, sizeof(sh));
#else
if (!ksu_is_allow_uid_for_current(current_uid().val)) {
return 0;
}
ksu_strncpy_from_user_nofault(path, *filename_user, sizeof(path));
if (unlikely(!memcmp(path, su, sizeof(su)))) {
pr_info("newfstatat su->sh!\n");
*filename_user = sh_user_path();
}
#endif
pr_info("sys_execve su found\n");
*filename_user = ksud_user_path();
escape_with_root_profile();
return 0;
return 0;
}
// sucompat: permitted process can execute 'su' to gain root access.
// the call from execve_handler_pre won't provided correct value for __never_use_argument, use them after fix execve_handler_pre, keeping them for consistence for manually patched code
int ksu_handle_execveat_sucompat(int *fd, struct filename **filename_ptr,
void *__never_use_argv, void *__never_use_envp,
int *__never_use_flags)
{
struct filename *filename;
const char sh[] = KSUD_PATH;
const char su[] = SU_PATH;
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
#endif
if (unlikely(!filename_ptr))
return 0;
filename = *filename_ptr;
if (IS_ERR(filename)) {
return 0;
}
if (likely(memcmp(filename->name, su, sizeof(su))))
return 0;
if (!ksu_is_allow_uid(current_uid().val))
return 0;
pr_info("do_execveat_common su found\n");
memcpy((void *)filename->name, sh, sizeof(sh));
escape_to_root();
return 0;
}
int ksu_handle_execve_sucompat(int *fd, const char __user **filename_user,
void *__never_use_argv, void *__never_use_envp,
int *__never_use_flags)
{
const char su[] = SU_PATH;
char path[sizeof(su) + 1];
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp){
return 0;
}
#endif
if (unlikely(!filename_user))
return 0;
memset(path, 0, sizeof(path));
ksu_strncpy_from_user_nofault(path, *filename_user, sizeof(path));
if (likely(memcmp(path, su, sizeof(su))))
return 0;
if (!ksu_is_allow_uid(current_uid().val))
return 0;
pr_info("sys_execve su found\n");
*filename_user = ksud_user_path();
escape_to_root();
return 0;
}
static int ksu_inline_handle_devpts(struct inode *inode)
{
if (!current->mm) {
return 0;
}
uid_t uid = current_uid().val;
if (uid % 100000 < 10000) {
// not untrusted_app, ignore it
return 0;
}
if (!ksu_is_allow_uid(uid))
return 0;
if (ksu_devpts_sid) {
struct inode_security_struct *sec = selinux_inode(inode);
if (sec) {
sec->sid = ksu_devpts_sid;
}
}
return 0;
}
int __ksu_handle_devpts(struct inode *inode)
{
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
#endif
return ksu_inline_handle_devpts(inode);
}
// dead code, we are phasing out ksu_handle_devpts for LSM hooks.
int __maybe_unused ksu_handle_devpts(struct inode *inode)
{
return 0;
}
#ifdef CONFIG_KSU_KPROBES_HOOK
static int faccessat_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
struct pt_regs *real_regs = PT_REAL_REGS(regs);
int *dfd = (int *)&PT_REGS_PARM1(real_regs);
const char __user **filename_user =
(const char **)&PT_REGS_PARM2(real_regs);
int *mode = (int *)&PT_REGS_PARM3(real_regs);
return ksu_handle_faccessat(dfd, filename_user, mode, NULL);
}
static int newfstatat_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
struct pt_regs *real_regs = PT_REAL_REGS(regs);
int *dfd = (int *)&PT_REGS_PARM1(real_regs);
const char __user **filename_user =
(const char **)&PT_REGS_PARM2(real_regs);
int *flags = (int *)&PT_REGS_SYSCALL_PARM4(real_regs);
return ksu_handle_stat(dfd, filename_user, flags);
}
static int execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
struct pt_regs *real_regs = PT_REAL_REGS(regs);
const char __user **filename_user =
(const char **)&PT_REGS_PARM1(real_regs);
return ksu_handle_execve_sucompat(AT_FDCWD, filename_user, NULL, NULL,
NULL);
}
#ifdef MODULE
static struct kprobe *su_kps[4];
static int pts_unix98_lookup_pre(struct kprobe *p, struct pt_regs *regs)
{
struct inode *inode;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)
struct file *file = (struct file *)PT_REGS_PARM2(regs);
inode = file->f_path.dentry->d_inode;
#else
inode = (struct inode *)PT_REGS_PARM2(regs);
#endif
return ksu_inline_handle_devpts(inode);
}
#else
static struct kprobe *su_kps[3];
#endif
static struct kprobe *init_kprobe(const char *name,
kprobe_pre_handler_t handler)
{
struct kprobe *kp = kzalloc(sizeof(struct kprobe), GFP_KERNEL);
if (!kp)
return NULL;
kp->symbol_name = name;
kp->pre_handler = handler;
int ret = register_kprobe(kp);
pr_info("sucompat: register_%s kprobe: %d\n", name, ret);
if (ret) {
kfree(kp);
return NULL;
}
return kp;
}
static void destroy_kprobe(struct kprobe **kp_ptr)
{
struct kprobe *kp = *kp_ptr;
if (!kp)
return;
unregister_kprobe(kp);
synchronize_rcu();
kfree(kp);
*kp_ptr = NULL;
}
#endif
// sucompat: permited process can execute 'su' to gain root access.
void ksu_sucompat_init()
{
if (ksu_register_feature_handler(&su_compat_handler)) {
pr_err("Failed to register su_compat feature handler\n");
}
#ifdef CONFIG_KSU_KPROBES_HOOK
su_kps[0] = init_kprobe(SYS_EXECVE_SYMBOL, execve_handler_pre);
su_kps[1] = init_kprobe(SYS_FACCESSAT_SYMBOL, faccessat_handler_pre);
su_kps[2] = init_kprobe(SYS_NEWFSTATAT_SYMBOL, newfstatat_handler_pre);
#ifdef MODULE
su_kps[3] = init_kprobe("pts_unix98_lookup", pts_unix98_lookup_pre);
#endif
#else
ksu_sucompat_non_kp = true;
pr_info("ksu_sucompat_init: hooks enabled: execve/execveat_su, faccessat, stat\n");
#endif
}
void ksu_sucompat_exit()
{
ksu_unregister_feature_handler(KSU_FEATURE_SU_COMPAT);
#ifdef CONFIG_KSU_KPROBES_HOOK
for (int i = 0; i < ARRAY_SIZE(su_kps); i++) {
destroy_kprobe(&su_kps[i]);
}
#else
ksu_sucompat_non_kp = false;
pr_info("ksu_sucompat_exit: hooks disabled: execve/execveat_su, faccessat, stat\n");
#endif
}

View File

@@ -1,18 +0,0 @@
#ifndef __KSU_H_SUCOMPAT
#define __KSU_H_SUCOMPAT
#include <linux/types.h>
extern bool ksu_su_compat_enabled;
void ksu_sucompat_init(void);
void ksu_sucompat_exit(void);
// Handler functions exported for hook_manager
int ksu_handle_faccessat(int *dfd, const char __user **filename_user,
int *mode, int *__unused_flags);
int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags);
int ksu_handle_execve_sucompat(const char __user **filename_user,
void *__never_use_argv, void *__never_use_envp,
int *__never_use_flags);
#endif

View File

@@ -1,369 +0,0 @@
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/printk.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/time.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/workqueue.h>
#include <linux/cred.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include "klog.h"
#include "sulog.h"
#include "ksu.h"
#include "feature.h"
#if __SULOG_GATE
struct dedup_entry dedup_tbl[SULOG_COMM_LEN];
static DEFINE_SPINLOCK(dedup_lock);
static LIST_HEAD(sulog_queue);
static struct workqueue_struct *sulog_workqueue;
static struct work_struct sulog_work;
static bool sulog_enabled __read_mostly = true;
static int sulog_feature_get(u64 *value)
{
*value = sulog_enabled ? 1 : 0;
return 0;
}
static int sulog_feature_set(u64 value)
{
bool enable = value != 0;
sulog_enabled = enable;
pr_info("sulog: set to %d\n", enable);
return 0;
}
static const struct ksu_feature_handler sulog_handler = {
.feature_id = KSU_FEATURE_SULOG,
.name = "sulog",
.get_handler = sulog_feature_get,
.set_handler = sulog_feature_set,
};
static void get_timestamp(char *buf, size_t len)
{
struct timespec64 ts;
struct tm tm;
ktime_get_real_ts64(&ts);
time64_to_tm(ts.tv_sec - sys_tz.tz_minuteswest * 60, 0, &tm);
snprintf(buf, len, "%04ld-%02d-%02d %02d:%02d:%02d",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
}
static void ksu_get_cmdline(char *full_comm, const char *comm, size_t buf_len)
{
if (!full_comm || buf_len <= 0)
return;
if (comm && strlen(comm) > 0) {
KSU_STRSCPY(full_comm, comm, buf_len);
return;
}
if (in_atomic() || in_interrupt() || irqs_disabled()) {
KSU_STRSCPY(full_comm, current->comm, buf_len);
return;
}
if (!current->mm) {
KSU_STRSCPY(full_comm, current->comm, buf_len);
return;
}
int n = get_cmdline(current, full_comm, buf_len);
if (n <= 0) {
KSU_STRSCPY(full_comm, current->comm, buf_len);
return;
}
for (int i = 0; i < n && i < buf_len - 1; i++) {
if (full_comm[i] == '\0')
full_comm[i] = ' ';
}
full_comm[n < buf_len ? n : buf_len - 1] = '\0';
}
static void sanitize_string(char *str, size_t len)
{
if (!str || len == 0)
return;
size_t read_pos = 0, write_pos = 0;
while (read_pos < len && str[read_pos] != '\0') {
char c = str[read_pos];
if (c == '\n' || c == '\r') {
read_pos++;
continue;
}
if (c == ' ' && write_pos > 0 && str[write_pos - 1] == ' ') {
read_pos++;
continue;
}
str[write_pos++] = c;
read_pos++;
}
str[write_pos] = '\0';
}
static bool dedup_should_print(uid_t uid, u8 type, const char *content, size_t len)
{
struct dedup_key key = {
.crc = dedup_calc_hash(content, len),
.uid = uid,
.type = type,
};
u64 now = ktime_get_ns();
u64 delta_ns = DEDUP_SECS * NSEC_PER_SEC;
u32 idx = key.crc & (SULOG_COMM_LEN - 1);
spin_lock(&dedup_lock);
struct dedup_entry *e = &dedup_tbl[idx];
if (e->key.crc == key.crc &&
e->key.uid == key.uid &&
e->key.type == key.type &&
(now - e->ts_ns) < delta_ns) {
spin_unlock(&dedup_lock);
return false;
}
e->key = key;
e->ts_ns = now;
spin_unlock(&dedup_lock);
return true;
}
static void sulog_work_handler(struct work_struct *work)
{
struct file *fp;
struct sulog_entry *entry, *tmp;
LIST_HEAD(local_queue);
loff_t pos = 0;
unsigned long flags;
spin_lock_irqsave(&dedup_lock, flags);
list_splice_init(&sulog_queue, &local_queue);
spin_unlock_irqrestore(&dedup_lock, flags);
if (list_empty(&local_queue))
return;
fp = filp_open(SULOG_PATH, O_WRONLY | O_CREAT | O_APPEND, 0640);
if (IS_ERR(fp)) {
pr_err("sulog: failed to open log file: %ld\n", PTR_ERR(fp));
goto cleanup;
}
if (fp->f_inode->i_size > SULOG_MAX_SIZE) {
if (vfs_truncate(&fp->f_path, 0))
pr_err("sulog: failed to truncate log file\n");
pos = 0;
} else {
pos = fp->f_inode->i_size;
}
list_for_each_entry(entry, &local_queue, list)
kernel_write(fp, entry->content, strlen(entry->content), &pos);
vfs_fsync(fp, 0);
filp_close(fp, 0);
cleanup:
list_for_each_entry_safe(entry, tmp, &local_queue, list) {
list_del(&entry->list);
kfree(entry);
}
}
static void sulog_add_entry(char *log_buf, size_t len, uid_t uid, u8 dedup_type)
{
struct sulog_entry *entry;
unsigned long flags;
if (!sulog_enabled || !log_buf || len == 0)
return;
if (!dedup_should_print(uid, dedup_type, log_buf, len))
return;
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry)
return;
KSU_STRSCPY(entry->content, log_buf, SULOG_ENTRY_MAX_LEN);
spin_lock_irqsave(&dedup_lock, flags);
list_add_tail(&entry->list, &sulog_queue);
spin_unlock_irqrestore(&dedup_lock, flags);
if (sulog_workqueue)
queue_work(sulog_workqueue, &sulog_work);
}
void ksu_sulog_report_su_grant(uid_t uid, const char *comm, const char *method)
{
char log_buf[SULOG_ENTRY_MAX_LEN];
char timestamp[32];
char full_comm[SULOG_COMM_LEN];
if (!sulog_enabled)
return;
get_timestamp(timestamp, sizeof(timestamp));
ksu_get_cmdline(full_comm, comm, sizeof(full_comm));
sanitize_string(full_comm, sizeof(full_comm));
snprintf(log_buf, sizeof(log_buf),
"[%s] SU_GRANT: UID=%d COMM=%s METHOD=%s PID=%d\n",
timestamp, uid, full_comm, method ? method : "unknown", current->pid);
sulog_add_entry(log_buf, strlen(log_buf), uid, DEDUP_SU_GRANT);
}
void ksu_sulog_report_su_attempt(uid_t uid, const char *comm, const char *target_path, bool success)
{
char log_buf[SULOG_ENTRY_MAX_LEN];
char timestamp[32];
char full_comm[SULOG_COMM_LEN];
if (!sulog_enabled)
return;
get_timestamp(timestamp, sizeof(timestamp));
ksu_get_cmdline(full_comm, comm, sizeof(full_comm));
sanitize_string(full_comm, sizeof(full_comm));
snprintf(log_buf, sizeof(log_buf),
"[%s] SU_EXEC: UID=%d COMM=%s TARGET=%s RESULT=%s PID=%d\n",
timestamp, uid, full_comm, target_path ? target_path : "unknown",
success ? "SUCCESS" : "DENIED", current->pid);
sulog_add_entry(log_buf, strlen(log_buf), uid, DEDUP_SU_ATTEMPT);
}
void ksu_sulog_report_permission_check(uid_t uid, const char *comm, bool allowed)
{
char log_buf[SULOG_ENTRY_MAX_LEN];
char timestamp[32];
char full_comm[SULOG_COMM_LEN];
if (!sulog_enabled)
return;
get_timestamp(timestamp, sizeof(timestamp));
ksu_get_cmdline(full_comm, comm, sizeof(full_comm));
sanitize_string(full_comm, sizeof(full_comm));
snprintf(log_buf, sizeof(log_buf),
"[%s] PERM_CHECK: UID=%d COMM=%s RESULT=%s PID=%d\n",
timestamp, uid, full_comm, allowed ? "ALLOWED" : "DENIED", current->pid);
sulog_add_entry(log_buf, strlen(log_buf), uid, DEDUP_PERM_CHECK);
}
void ksu_sulog_report_manager_operation(const char *operation, uid_t manager_uid, uid_t target_uid)
{
char log_buf[SULOG_ENTRY_MAX_LEN];
char timestamp[32];
char full_comm[SULOG_COMM_LEN];
if (!sulog_enabled)
return;
get_timestamp(timestamp, sizeof(timestamp));
ksu_get_cmdline(full_comm, NULL, sizeof(full_comm));
sanitize_string(full_comm, sizeof(full_comm));
snprintf(log_buf, sizeof(log_buf),
"[%s] MANAGER_OP: OP=%s MANAGER_UID=%d TARGET_UID=%d COMM=%s PID=%d\n",
timestamp, operation ? operation : "unknown", manager_uid, target_uid, full_comm, current->pid);
sulog_add_entry(log_buf, strlen(log_buf), manager_uid, DEDUP_MANAGER_OP);
}
void ksu_sulog_report_syscall(uid_t uid, const char *comm, const char *syscall, const char *args)
{
char log_buf[SULOG_ENTRY_MAX_LEN];
char timestamp[32];
char full_comm[SULOG_COMM_LEN];
if (!sulog_enabled)
return;
get_timestamp(timestamp, sizeof(timestamp));
ksu_get_cmdline(full_comm, comm, sizeof(full_comm));
sanitize_string(full_comm, sizeof(full_comm));
snprintf(log_buf, sizeof(log_buf),
"[%s] SYSCALL: UID=%d COMM=%s SYSCALL=%s ARGS=%s PID=%d\n",
timestamp, uid, full_comm, syscall ? syscall : "unknown",
args ? args : "none", current->pid);
sulog_add_entry(log_buf, strlen(log_buf), uid, DEDUP_SYSCALL);
}
int ksu_sulog_init(void)
{
if (ksu_register_feature_handler(&sulog_handler)) {
pr_err("Failed to register sulog feature handler\n");
}
sulog_workqueue = alloc_workqueue("ksu_sulog", WQ_UNBOUND | WQ_HIGHPRI, 1);
if (!sulog_workqueue) {
pr_err("sulog: failed to create workqueue\n");
return -ENOMEM;
}
INIT_WORK(&sulog_work, sulog_work_handler);
pr_info("sulog: initialized successfully\n");
return 0;
}
void ksu_sulog_exit(void)
{
struct sulog_entry *entry, *tmp;
unsigned long flags;
ksu_unregister_feature_handler(KSU_FEATURE_SULOG);
sulog_enabled = false;
if (sulog_workqueue) {
flush_workqueue(sulog_workqueue);
destroy_workqueue(sulog_workqueue);
sulog_workqueue = NULL;
}
spin_lock_irqsave(&dedup_lock, flags);
list_for_each_entry_safe(entry, tmp, &sulog_queue, list) {
list_del(&entry->list);
kfree(entry);
}
spin_unlock_irqrestore(&dedup_lock, flags);
pr_info("sulog: cleaned up successfully\n");
}
#endif // __SULOG_GATE

View File

@@ -1,93 +0,0 @@
#ifndef __KSU_SULOG_H
#define __KSU_SULOG_H
#include <linux/types.h>
#include <linux/version.h>
#include <linux/crc32.h> // needed for function dedup_calc_hash
#define __SULOG_GATE 1
#if __SULOG_GATE
extern struct timezone sys_tz;
#define SULOG_PATH "/data/adb/ksu/log/sulog.log"
#define SULOG_MAX_SIZE (32 * 1024 * 1024) // 128MB
#define SULOG_ENTRY_MAX_LEN 512
#define SULOG_COMM_LEN 256
#define DEDUP_SECS 10
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 10, 0)
static inline size_t strlcpy(char *dest, const char *src, size_t size)
{
return strscpy(dest, src, size);
}
#endif
#define KSU_STRSCPY(dst, src, size) \
do { \
if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)) { \
strscpy(dst, src, size); \
} else { \
strlcpy(dst, src, size); \
} \
} while (0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0)
#include <linux/rtc.h>
static inline void time64_to_tm(time64_t totalsecs, int offset, struct tm *result)
{
struct rtc_time rtc_tm;
rtc_time64_to_tm(totalsecs, &rtc_tm);
result->tm_sec = rtc_tm.tm_sec;
result->tm_min = rtc_tm.tm_min;
result->tm_hour = rtc_tm.tm_hour;
result->tm_mday = rtc_tm.tm_mday;
result->tm_mon = rtc_tm.tm_mon;
result->tm_year = rtc_tm.tm_year;
}
#endif
struct dedup_key {
u32 crc;
uid_t uid;
u8 type;
u8 _pad[1];
};
struct dedup_entry {
struct dedup_key key;
u64 ts_ns;
};
enum {
DEDUP_SU_GRANT = 0,
DEDUP_SU_ATTEMPT,
DEDUP_PERM_CHECK,
DEDUP_MANAGER_OP,
DEDUP_SYSCALL,
};
static inline u32 dedup_calc_hash(const char *content, size_t len)
{
return crc32(0, content, len);
}
struct sulog_entry {
struct list_head list;
char content[SULOG_ENTRY_MAX_LEN];
};
void ksu_sulog_report_su_grant(uid_t uid, const char *comm, const char *method);
void ksu_sulog_report_su_attempt(uid_t uid, const char *comm, const char *target_path, bool success);
void ksu_sulog_report_permission_check(uid_t uid, const char *comm, bool allowed);
void ksu_sulog_report_manager_operation(const char *operation, uid_t manager_uid, uid_t target_uid);
void ksu_sulog_report_syscall(uid_t uid, const char *comm, const char *syscall, const char *args);
int ksu_sulog_init(void);
void ksu_sulog_exit(void);
#endif // __SULOG_GATE
#endif /* __KSU_SULOG_H */

File diff suppressed because it is too large Load Diff

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@@ -1,197 +0,0 @@
#ifndef __KSU_H_SUPERCALLS
#define __KSU_H_SUPERCALLS
#include <linux/types.h>
#include <linux/ioctl.h>
#include "ksu.h"
#include "app_profile.h"
#ifdef CONFIG_KPM
#include "kpm/kpm.h"
#endif
// Magic numbers for reboot hook to install fd
#define KSU_INSTALL_MAGIC1 0xDEADBEEF
#define KSU_INSTALL_MAGIC2 0xCAFEBABE
// Command structures for ioctl
struct ksu_become_daemon_cmd {
__u8 token[65]; // Input: daemon token (null-terminated)
};
struct ksu_get_info_cmd {
__u32 version; // Output: KERNEL_SU_VERSION
__u32 flags; // Output: flags (bit 0: MODULE mode)
__u32 features; // Output: max feature ID supported
};
struct ksu_report_event_cmd {
__u32 event; // Input: EVENT_POST_FS_DATA, EVENT_BOOT_COMPLETED, etc.
};
struct ksu_set_sepolicy_cmd {
__u64 cmd; // Input: sepolicy command
__aligned_u64 arg; // Input: sepolicy argument pointer
};
struct ksu_check_safemode_cmd {
__u8 in_safe_mode; // Output: true if in safe mode, false otherwise
};
struct ksu_get_allow_list_cmd {
__u32 uids[128]; // Output: array of allowed/denied UIDs
__u32 count; // Output: number of UIDs in array
__u8 allow; // Input: true for allow list, false for deny list
};
struct ksu_uid_granted_root_cmd {
__u32 uid; // Input: target UID to check
__u8 granted; // Output: true if granted, false otherwise
};
struct ksu_uid_should_umount_cmd {
__u32 uid; // Input: target UID to check
__u8 should_umount; // Output: true if should umount, false otherwise
};
struct ksu_get_manager_uid_cmd {
__u32 uid; // Output: manager UID
};
struct ksu_get_app_profile_cmd {
struct app_profile profile; // Input/Output: app profile structure
};
struct ksu_set_app_profile_cmd {
struct app_profile profile; // Input: app profile structure
};
struct ksu_get_feature_cmd {
__u32 feature_id; // Input: feature ID (enum ksu_feature_id)
__u64 value; // Output: feature value/state
__u8 supported; // Output: true if feature is supported, false otherwise
};
struct ksu_set_feature_cmd {
__u32 feature_id; // Input: feature ID (enum ksu_feature_id)
__u64 value; // Input: feature value/state to set
};
struct ksu_get_wrapper_fd_cmd {
__u32 fd; // Input: userspace fd
__u32 flags; // Input: flags of userspace fd
};
struct ksu_manage_mark_cmd {
__u32 operation; // Input: KSU_MARK_*
__s32 pid; // Input: target pid (0 for all processes)
__u32 result; // Output: for get operation - mark status or reg_count
};
#define KSU_MARK_GET 1
#define KSU_MARK_MARK 2
#define KSU_MARK_UNMARK 3
#define KSU_MARK_REFRESH 4
struct ksu_nuke_ext4_sysfs_cmd {
__aligned_u64 arg; // Input: mnt pointer
};
struct ksu_add_try_umount_cmd {
__aligned_u64 arg; // char ptr, this is the mountpoint
__u32 flags; // this is the flag we use for it
__u8 mode; // denotes what to do with it 0:wipe_list 1:add_to_list 2:delete_entry
};
#define KSU_UMOUNT_WIPE 0 // ignore everything and wipe list
#define KSU_UMOUNT_ADD 1 // add entry (path + flags)
#define KSU_UMOUNT_DEL 2 // delete entry, strcmp
// Other command structures
struct ksu_get_full_version_cmd {
char version_full[KSU_FULL_VERSION_STRING]; // Output: full version string
};
struct ksu_hook_type_cmd {
char hook_type[32]; // Output: hook type string
};
struct ksu_enable_kpm_cmd {
__u8 enabled; // Output: true if KPM is enabled
};
struct ksu_dynamic_manager_cmd {
struct dynamic_manager_user_config config; // Input/Output: dynamic manager config
};
struct ksu_get_managers_cmd {
struct manager_list_info manager_info; // Output: manager list information
};
struct ksu_enable_uid_scanner_cmd {
__u32 operation; // Input: operation type (UID_SCANNER_OP_GET_STATUS, UID_SCANNER_OP_TOGGLE, UID_SCANNER_OP_CLEAR_ENV)
__u32 enabled; // Input: enable or disable (for UID_SCANNER_OP_TOGGLE)
void __user *status_ptr; // Input: pointer to store status (for UID_SCANNER_OP_GET_STATUS)
};
#ifdef CONFIG_KSU_MANUAL_SU
struct ksu_manual_su_cmd {
__u32 option; // Input: operation type (MANUAL_SU_OP_GENERATE_TOKEN, MANUAL_SU_OP_ESCALATE, MANUAL_SU_OP_ADD_PENDING)
__u32 target_uid; // Input: target UID
__u32 target_pid; // Input: target PID
char token_buffer[33]; // Input/Output: token buffer
};
#endif
// IOCTL command definitions
#define KSU_IOCTL_GRANT_ROOT _IOC(_IOC_NONE, 'K', 1, 0)
#define KSU_IOCTL_GET_INFO _IOC(_IOC_READ, 'K', 2, 0)
#define KSU_IOCTL_REPORT_EVENT _IOC(_IOC_WRITE, 'K', 3, 0)
#define KSU_IOCTL_SET_SEPOLICY _IOC(_IOC_READ|_IOC_WRITE, 'K', 4, 0)
#define KSU_IOCTL_CHECK_SAFEMODE _IOC(_IOC_READ, 'K', 5, 0)
#define KSU_IOCTL_GET_ALLOW_LIST _IOC(_IOC_READ|_IOC_WRITE, 'K', 6, 0)
#define KSU_IOCTL_GET_DENY_LIST _IOC(_IOC_READ|_IOC_WRITE, 'K', 7, 0)
#define KSU_IOCTL_UID_GRANTED_ROOT _IOC(_IOC_READ|_IOC_WRITE, 'K', 8, 0)
#define KSU_IOCTL_UID_SHOULD_UMOUNT _IOC(_IOC_READ|_IOC_WRITE, 'K', 9, 0)
#define KSU_IOCTL_GET_MANAGER_UID _IOC(_IOC_READ, 'K', 10, 0)
#define KSU_IOCTL_GET_APP_PROFILE _IOC(_IOC_READ|_IOC_WRITE, 'K', 11, 0)
#define KSU_IOCTL_SET_APP_PROFILE _IOC(_IOC_WRITE, 'K', 12, 0)
#define KSU_IOCTL_GET_FEATURE _IOC(_IOC_READ|_IOC_WRITE, 'K', 13, 0)
#define KSU_IOCTL_SET_FEATURE _IOC(_IOC_WRITE, 'K', 14, 0)
#define KSU_IOCTL_GET_WRAPPER_FD _IOC(_IOC_WRITE, 'K', 15, 0)
#define KSU_IOCTL_MANAGE_MARK _IOC(_IOC_READ|_IOC_WRITE, 'K', 16, 0)
#define KSU_IOCTL_NUKE_EXT4_SYSFS _IOC(_IOC_WRITE, 'K', 17, 0)
#define KSU_IOCTL_ADD_TRY_UMOUNT _IOC(_IOC_WRITE, 'K', 18, 0)
// Other IOCTL command definitions
#define KSU_IOCTL_GET_FULL_VERSION _IOC(_IOC_READ, 'K', 100, 0)
#define KSU_IOCTL_HOOK_TYPE _IOC(_IOC_READ, 'K', 101, 0)
#define KSU_IOCTL_ENABLE_KPM _IOC(_IOC_READ, 'K', 102, 0)
#define KSU_IOCTL_DYNAMIC_MANAGER _IOC(_IOC_READ|_IOC_WRITE, 'K', 103, 0)
#define KSU_IOCTL_GET_MANAGERS _IOC(_IOC_READ|_IOC_WRITE, 'K', 104, 0)
#define KSU_IOCTL_ENABLE_UID_SCANNER _IOC(_IOC_READ|_IOC_WRITE, 'K', 105, 0)
#ifdef CONFIG_KSU_MANUAL_SU
#define KSU_IOCTL_MANUAL_SU _IOC(_IOC_READ|_IOC_WRITE, 'K', 106, 0)
#endif
#define KSU_IOCTL_UMOUNT_MANAGER _IOC(_IOC_READ|_IOC_WRITE, 'K', 107, 0)
// IOCTL handler types
typedef int (*ksu_ioctl_handler_t)(void __user *arg);
typedef bool (*ksu_perm_check_t)(void);
// IOCTL command mapping
struct ksu_ioctl_cmd_map {
unsigned int cmd;
const char *name;
ksu_ioctl_handler_t handler;
ksu_perm_check_t perm_check; // Permission check function
};
// Install KSU fd to current process
int ksu_install_fd(void);
void ksu_supercalls_init(void);
void ksu_supercalls_exit(void);
#endif // __KSU_H_SUPERCALLS

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@@ -1,374 +0,0 @@
#include "linux/compiler.h"
#include "linux/cred.h"
#include "linux/printk.h"
#include "selinux/selinux.h"
#include <linux/spinlock.h>
#include <linux/kprobes.h>
#include <linux/tracepoint.h>
#include <asm/syscall.h>
#include <linux/slab.h>
#include <linux/ptrace.h>
#include <trace/events/syscalls.h>
#include <linux/namei.h>
#include "allowlist.h"
#include "arch.h"
#include "klog.h" // IWYU pragma: keep
#include "syscall_hook_manager.h"
#include "sucompat.h"
#include "setuid_hook.h"
#include "selinux/selinux.h"
// Tracepoint registration count management
// == 1: just us
// > 1: someone else is also using syscall tracepoint e.g. ftrace
static int tracepoint_reg_count = 0;
static DEFINE_SPINLOCK(tracepoint_reg_lock);
void ksu_clear_task_tracepoint_flag_if_needed(struct task_struct *t)
{
unsigned long flags;
spin_lock_irqsave(&tracepoint_reg_lock, flags);
if (tracepoint_reg_count <= 1) {
ksu_clear_task_tracepoint_flag(t);
}
spin_unlock_irqrestore(&tracepoint_reg_lock, flags);
}
// Process marking management
static void handle_process_mark(bool mark)
{
struct task_struct *p, *t;
read_lock(&tasklist_lock);
for_each_process_thread(p, t) {
if (mark)
ksu_set_task_tracepoint_flag(t);
else
ksu_clear_task_tracepoint_flag(t);
}
read_unlock(&tasklist_lock);
}
void ksu_mark_all_process(void)
{
handle_process_mark(true);
pr_info("hook_manager: mark all user process done!\n");
}
void ksu_unmark_all_process(void)
{
handle_process_mark(false);
pr_info("hook_manager: unmark all user process done!\n");
}
static void ksu_mark_running_process_locked()
{
struct task_struct *p, *t;
read_lock(&tasklist_lock);
for_each_process_thread (p, t) {
if (!t->mm) { // only user processes
continue;
}
int uid = task_uid(t).val;
const struct cred *cred = get_task_cred(t);
bool ksu_root_process =
uid == 0 && is_task_ksu_domain(cred);
bool is_zygote_process = is_zygote(cred);
bool is_shell = uid == 2000;
// before boot completed, we shall mark init for marking zygote
bool is_init = t->pid == 1;
if (ksu_root_process || is_zygote_process || is_shell || is_init
|| ksu_is_allow_uid(uid)) {
ksu_set_task_tracepoint_flag(t);
pr_info("hook_manager: mark process: pid:%d, uid: %d, comm:%s\n",
t->pid, uid, t->comm);
} else {
ksu_clear_task_tracepoint_flag(t);
pr_info("hook_manager: unmark process: pid:%d, uid: %d, comm:%s\n",
t->pid, uid, t->comm);
}
put_cred(cred);
}
read_unlock(&tasklist_lock);
}
void ksu_mark_running_process()
{
unsigned long flags;
spin_lock_irqsave(&tracepoint_reg_lock, flags);
if (tracepoint_reg_count <= 1) {
ksu_mark_running_process_locked();
} else {
pr_info("hook_manager: not mark running process since syscall tracepoint is in use\n");
}
spin_unlock_irqrestore(&tracepoint_reg_lock, flags);
}
// Get task mark status
// Returns: 1 if marked, 0 if not marked, -ESRCH if task not found
int ksu_get_task_mark(pid_t pid)
{
struct task_struct *task;
int marked = -ESRCH;
rcu_read_lock();
task = find_task_by_vpid(pid);
if (task) {
get_task_struct(task);
rcu_read_unlock();
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
marked = test_task_syscall_work(task, SYSCALL_TRACEPOINT) ? 1 : 0;
#else
marked = test_tsk_thread_flag(task, TIF_SYSCALL_TRACEPOINT) ? 1 : 0;
#endif
put_task_struct(task);
} else {
rcu_read_unlock();
}
return marked;
}
// Set task mark status
// Returns: 0 on success, -ESRCH if task not found
int ksu_set_task_mark(pid_t pid, bool mark)
{
struct task_struct *task;
int ret = -ESRCH;
rcu_read_lock();
task = find_task_by_vpid(pid);
if (task) {
get_task_struct(task);
rcu_read_unlock();
if (mark) {
ksu_set_task_tracepoint_flag(task);
pr_info("hook_manager: marked task pid=%d comm=%s\n", pid, task->comm);
} else {
ksu_clear_task_tracepoint_flag(task);
pr_info("hook_manager: unmarked task pid=%d comm=%s\n", pid, task->comm);
}
put_task_struct(task);
ret = 0;
} else {
rcu_read_unlock();
}
return ret;
}
#ifdef CONFIG_KRETPROBES
static struct kretprobe *init_kretprobe(const char *name,
kretprobe_handler_t handler)
{
struct kretprobe *rp = kzalloc(sizeof(struct kretprobe), GFP_KERNEL);
if (!rp)
return NULL;
rp->kp.symbol_name = name;
rp->handler = handler;
rp->data_size = 0;
rp->maxactive = 0;
int ret = register_kretprobe(rp);
pr_info("hook_manager: register_%s kretprobe: %d\n", name, ret);
if (ret) {
kfree(rp);
return NULL;
}
return rp;
}
static void destroy_kretprobe(struct kretprobe **rp_ptr)
{
struct kretprobe *rp = *rp_ptr;
if (!rp)
return;
unregister_kretprobe(rp);
synchronize_rcu();
kfree(rp);
*rp_ptr = NULL;
}
static int syscall_regfunc_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
{
unsigned long flags;
spin_lock_irqsave(&tracepoint_reg_lock, flags);
if (tracepoint_reg_count < 1) {
// while install our tracepoint, mark our processes
ksu_mark_running_process_locked();
} else if (tracepoint_reg_count == 1) {
// while other tracepoint first added, mark all processes
ksu_mark_all_process();
}
tracepoint_reg_count++;
spin_unlock_irqrestore(&tracepoint_reg_lock, flags);
return 0;
}
static int syscall_unregfunc_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
{
unsigned long flags;
spin_lock_irqsave(&tracepoint_reg_lock, flags);
tracepoint_reg_count--;
if (tracepoint_reg_count <= 0) {
// while no tracepoint left, unmark all processes
ksu_unmark_all_process();
} else if (tracepoint_reg_count == 1) {
// while just our tracepoint left, unmark disallowed processes
ksu_mark_running_process_locked();
}
spin_unlock_irqrestore(&tracepoint_reg_lock, flags);
return 0;
}
static struct kretprobe *syscall_regfunc_rp = NULL;
static struct kretprobe *syscall_unregfunc_rp = NULL;
#endif
static inline bool check_syscall_fastpath(int nr)
{
switch (nr) {
case __NR_newfstatat:
case __NR_faccessat:
case __NR_execve:
case __NR_setresuid:
case __NR_clone:
case __NR_clone3:
return true;
default:
return false;
}
}
// Unmark init's child that are not zygote, adbd or ksud
int ksu_handle_init_mark_tracker(const char __user **filename_user)
{
char path[64];
if (unlikely(!filename_user))
return 0;
memset(path, 0, sizeof(path));
strncpy_from_user_nofault(path, *filename_user, sizeof(path));
if (likely(strstr(path, "/app_process") == NULL && strstr(path, "/adbd") == NULL && strstr(path, "/ksud") == NULL)) {
pr_info("hook_manager: unmark %d exec %s", current->pid, path);
ksu_clear_task_tracepoint_flag_if_needed(current);
}
return 0;
}
#ifdef CONFIG_KSU_MANUAL_SU
#include "manual_su.h"
static inline void ksu_handle_task_alloc(struct pt_regs *regs)
{
ksu_try_escalate_for_uid(current_uid().val);
}
#endif
#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
// Generic sys_enter handler that dispatches to specific handlers
static void ksu_sys_enter_handler(void *data, struct pt_regs *regs, long id)
{
if (unlikely(check_syscall_fastpath(id))) {
#ifdef KSU_TP_HOOK
if (ksu_su_compat_enabled) {
// Handle newfstatat
if (id == __NR_newfstatat) {
int *dfd = (int *)&PT_REGS_PARM1(regs);
const char __user **filename_user =
(const char __user **)&PT_REGS_PARM2(regs);
int *flags = (int *)&PT_REGS_SYSCALL_PARM4(regs);
ksu_handle_stat(dfd, filename_user, flags);
return;
}
// Handle faccessat
if (id == __NR_faccessat) {
int *dfd = (int *)&PT_REGS_PARM1(regs);
const char __user **filename_user =
(const char __user **)&PT_REGS_PARM2(regs);
int *mode = (int *)&PT_REGS_PARM3(regs);
ksu_handle_faccessat(dfd, filename_user, mode, NULL);
return;
}
// Handle execve
if (id == __NR_execve) {
const char __user **filename_user =
(const char __user **)&PT_REGS_PARM1(regs);
if (current->pid != 1 && is_init(get_current_cred())) {
ksu_handle_init_mark_tracker(filename_user);
} else {
ksu_handle_execve_sucompat(filename_user, NULL, NULL, NULL);
}
return;
}
}
#endif
// Handle setresuid
if (id == __NR_setresuid) {
uid_t ruid = (uid_t)PT_REGS_PARM1(regs);
uid_t euid = (uid_t)PT_REGS_PARM2(regs);
uid_t suid = (uid_t)PT_REGS_PARM3(regs);
ksu_handle_setresuid(ruid, euid, suid);
return;
}
#ifdef CONFIG_KSU_MANUAL_SU
// Handle task_alloc via clone/fork
if (id == __NR_clone || id == __NR_clone3)
return ksu_handle_task_alloc(regs);
#endif
}
}
#endif
void ksu_syscall_hook_manager_init(void)
{
int ret;
pr_info("hook_manager: ksu_hook_manager_init called\n");
#ifdef CONFIG_KRETPROBES
// Register kretprobe for syscall_regfunc
syscall_regfunc_rp = init_kretprobe("syscall_regfunc", syscall_regfunc_handler);
// Register kretprobe for syscall_unregfunc
syscall_unregfunc_rp = init_kretprobe("syscall_unregfunc", syscall_unregfunc_handler);
#endif
#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
ret = register_trace_sys_enter(ksu_sys_enter_handler, NULL);
#ifndef CONFIG_KRETPROBES
ksu_mark_running_process_locked();
#endif
if (ret) {
pr_err("hook_manager: failed to register sys_enter tracepoint: %d\n", ret);
} else {
pr_info("hook_manager: sys_enter tracepoint registered\n");
}
#endif
ksu_setuid_hook_init();
ksu_sucompat_init();
}
void ksu_syscall_hook_manager_exit(void)
{
pr_info("hook_manager: ksu_hook_manager_exit called\n");
#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
unregister_trace_sys_enter(ksu_sys_enter_handler, NULL);
tracepoint_synchronize_unregister();
pr_info("hook_manager: sys_enter tracepoint unregistered\n");
#endif
#ifdef CONFIG_KRETPROBES
destroy_kretprobe(&syscall_regfunc_rp);
destroy_kretprobe(&syscall_unregfunc_rp);
#endif
ksu_sucompat_exit();
ksu_setuid_hook_exit();
}

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@@ -1,47 +0,0 @@
#ifndef __KSU_H_HOOK_MANAGER
#define __KSU_H_HOOK_MANAGER
#include <linux/version.h>
#include <linux/sched.h>
#include <linux/thread_info.h>
#include <linux/init.h>
#include <linux/binfmts.h>
#include <linux/tty.h>
#include <linux/fs.h>
#include "selinux/selinux.h"
// Hook manager initialization and cleanup
void ksu_syscall_hook_manager_init(void);
void ksu_syscall_hook_manager_exit(void);
// Process marking for tracepoint
void ksu_mark_all_process(void);
void ksu_unmark_all_process(void);
void ksu_mark_running_process(void);
// Per-task mark operations
int ksu_get_task_mark(pid_t pid);
int ksu_set_task_mark(pid_t pid, bool mark);
static inline void ksu_set_task_tracepoint_flag(struct task_struct *t)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
set_task_syscall_work(t, SYSCALL_TRACEPOINT);
#else
set_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT);
#endif
}
static inline void ksu_clear_task_tracepoint_flag(struct task_struct *t)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
clear_task_syscall_work(t, SYSCALL_TRACEPOINT);
#else
clear_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT);
#endif
}
void ksu_clear_task_tracepoint_flag_if_needed(struct task_struct *t);
#endif

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