Commit Graph

12 Commits

Author SHA1 Message Date
ShirkNeko
86cd05e206 Attempt to refactor and migrate inode_permission, bprm_check_security, and task_alloc entirely to syscall_hook_manager
kernel: fix build
2025-11-09 04:35:29 +08:00
ShirkNeko
af4b502631 kernel: Rewrite the kernel source code (#554)
* clean unused header

* on_module_mounted in ksud.c

* refact: use app_profile

* unified hook manager

* add zygote to hook target

* move reboot hook to supercall.c

* refactor: kernel_umount setuid_hook

* update mark rules, add init mark tracker

* remove reboot from check_syscall_fastpath

* update setuid_hook, remove uneeded sucompat enable

* log freely

* kernel: Migrate kprobe hook configuration items

* kernel: fix build

* cli: add ksud debug mark

* Fix rustfmt warning

---------

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
2025-11-09 03:49:11 +08:00
ShirkNeko
8c849518fb kernel: fix build 2025-11-08 20:45:29 +08:00
ShirkNeko
e4d7c292d6 kernel: remove unused kernel_compat
Co-authored-by: weishu <twsxtd@gmail.com>
2025-11-08 20:28:58 +08:00
Ylarod
dcbc014039 fix: mark tif (#2871) 2025-11-06 14:37:47 +08:00
ShirkNeko
afc8b53ca6 new supercall impl (#511)
* refactor: replace throne tracker with ksud token

* use snprintf

* refactor: new supercall impl

- Import the sukisu command

* disable seccomp for supercall users

* kernel: fmt clear

* kernel: Enable macro protection for sulog

- Only enabled on kernel versions greater than 5.10.245

* kernel: Refactor kprobe hooks and implement LSM hooks for improved security handling

* debug mode

* kernel: Add functionality to generate and validate authentication tokens for cmd_su

* kernel: Simplified manual SU command processing for code

* kernel: replace renameat hook with fsnotify

* Revert "refactor: replace throne tracker with ksud token"

This reverts commit aa2cbbf.

* kernel: fix compile

* kernel: fix compile below 6.0

* Fix compile err; Add become_manager

* kernel: install fd for manager automaticlly

- extend to import the corresponding command

* manager: new supercall impl

* temp changes for ksud

* ksud: fix compile

* fix wrong opcode

* kernel: fix compile

* kernel: Fixed hook type and KPM status retrieval errors

* kernel: Fixed potential null pointer issue with current->mm in kernel version 5.10

When calling get_full_comm() within system call hooks, current->mm may be null (prctl). A fallback mechanism for current->comm must be added beforehand to prevent null pointer dereferences when accessing mm->arg_start/arg_end.

Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

* ksud: fix cargo check

* manager: Fixed an issue where the KSUD release and user-mode scanning switch failed to function correctly.

- kernel: fix spin lock mutual

kernel: Fixed potential null pointer issue with current->mm in kernel version 5.10

When calling get_full_comm() within system call hooks, current->mm may be null (prctl). A fallback mechanism for current->comm must be added beforehand to prevent null pointer dereferences when accessing mm->arg_start/arg_end.

kernel: try introduce like susfs's method to fix prctl delay

* seccomp: allow reboot

* use u32

* update clang-format

* 4 spaces save the world

* ksud: Fix build on macOS

* manager: bump minimal supported kernel.

- When get_hook_type is empty, display “Unknown”.

* Fix ksud build (#2841)

* try fix ksud

* fix for macos

* remove any

* Fix ksud build, take 3

* try fix allowlist

* bring lsm hook back

* fix: a lot again

* Fix ksud build, take 4 (#2846)

Remove init_driver_fd function for non-linux/android targets

* manager: Return to the native method via KSUd installation

* Merge with susfs-mian format

---------

Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: AlexLiuDev233 <wzylin11@outlook.com>
Co-authored-by: Wang Han <416810799@qq.com>
2025-11-02 01:11:38 +08:00
ShirkNeko
343c6452cf kernel: Fixed potential null pointer issue with current->mm in kernel version 5.10
When calling get_full_comm() within system call hooks, current->mm may be null (prctl). A fallback mechanism for current->comm must be added beforehand to prevent null pointer dereferences when accessing mm->arg_start/arg_end.

Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
2025-10-27 21:54:20 +08:00
ShirkNeko
3701d47fbb kernel: Simplified manual SU command processing for code 2025-10-27 15:14:35 +08:00
ShirkNeko
1b0f96cc70 kernel: Add functionality to generate and validate authentication tokens for cmd_su 2025-10-26 19:59:57 +08:00
ShirkNeko
51e6a1b6c7 kernel: Add CONFIG_KSU_MANUAL_SU configuration
- Use random passphrase protection for manual su functionality
2025-09-29 06:50:39 +08:00
ShirkNeko
1281fa70d7 Kernel: Enhanced temporary record UID functionality and elevated privileges 2025-09-29 04:28:31 +08:00
ShirkNeko
7c4334e03a kernel: Add the ability to manually elevate privileges for programs using prctl by specifying UID or PID. 2025-09-28 19:33:08 +08:00