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Refactoring KSU and SELinux related Makefiles to add checks and feature definitions to support new features

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ShirkNeko
2025-04-11 02:55:42 +08:00
parent 3082a9c90b
commit c1d49a4f23
3 changed files with 161 additions and 51 deletions
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55
kernel/Makefile
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@@ -8,14 +8,13 @@ kernelsu-objs += ksud.o
kernelsu-objs += embed_ksud.o
kernelsu-objs += kernel_compat.o
kernelsu-objs += selinux/selinux.o
kernelsu-objs += selinux/sepolicy.o
kernelsu-objs += selinux/rules.o
ccflags-y += -I$(srctree)/security/selinux -I$(srctree)/security/selinux/include
ccflags-y += -I$(objtree)/security/selinux -include $(srctree)/include/uapi/asm-generic/errno.h
kernelsu-objs += selinux/
obj-$(CONFIG_KPM) += kpm/
obj-$(CONFIG_KSU) += kernelsu.o
obj-y += check/
# Do checks before compile
ifneq ($(shell grep -q "int path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
@@ -45,8 +44,6 @@ ccflags-y += -DKSU_HOOK_WITH_KPROBES
endif
endif
obj-$(CONFIG_KSU) += kernelsu.o
# .git is a text file while the module is imported by 'git submodule add'.
ifeq ($(shell test -e $(srctree)/$(src)/../.git; echo $$?),0)
$(shell cd $(srctree)/$(src); /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin [ -f ../.git/shallow ] && git fetch --unshallow)
@@ -60,44 +57,6 @@ $(warning "KSU_GIT_VERSION not defined! It is better to make KernelSU a git subm
ccflags-y += -DKSU_VERSION=12500
endif
# SELinux drivers check
ifeq ($(shell grep -q " current_sid(void)" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_CURRENT_SID
endif
ifeq ($(shell grep -q "struct selinux_state " $(srctree)/security/selinux/include/security.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_SELINUX_STATE
endif
# This feature was introduced in linux 5.0-rc1
ifeq ($(shell grep -q "get_cred_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_GET_CRED_RCU
else
ifeq ($(shell grep -q "atomic_long_t\s\+\usage" $(srctree)/include/linux/cred.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_ATOMIC_LONG
endif
ifeq ($(shell grep -q "int\s\+\non_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_NONCONST_CRED
endif
endif
# Handle optional backports
ifeq ($(shell grep -q "strncpy_from_user_nofault" $(srctree)/include/linux/uaccess.h; echo $$?),0)
ccflags-y += -DKSU_STRNCPY_FROM_USER_NOFAULT
endif
ifeq ($(shell grep -q "ssize_t kernel_read" $(srctree)/fs/read_write.c; echo $$?),0)
ccflags-y += -DKSU_KERNEL_READ
endif
ifeq ($(shell grep "ssize_t kernel_write" $(srctree)/fs/read_write.c | grep -q "const void" ; echo $$?),0)
ccflags-y += -DKSU_KERNEL_WRITE
endif
# Checks Samsung UH drivers
ifeq ($(shell grep -q "CONFIG_KDP_CRED" $(srctree)/kernel/cred.c; echo $$?),0)
ccflags-y += -DSAMSUNG_UH_DRIVER_EXIST
endif
ifndef KSU_EXPECTED_SIZE
KSU_EXPECTED_SIZE := 0x35c
endif
@@ -125,9 +84,6 @@ endif
ccflags-y += -DEXPECTED_SIZE=$(KSU_EXPECTED_SIZE)
ccflags-y += -DEXPECTED_HASH=\"$(KSU_EXPECTED_HASH)\"
ccflags-y += -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-int-conversion -Wno-gcc-compat
ccflags-y += -Wno-declaration-after-statement -Wno-unused-function
## For susfs stuff ##
ifeq ($(shell test -e $(srctree)/fs/susfs.c; echo $$?),0)
$(eval SUSFS_VERSION=$(shell cat $(srctree)/include/linux/susfs.h | grep -E '^#define SUSFS_VERSION' | cut -d' ' -f3 | sed 's/"//g'))
@@ -137,5 +93,4 @@ else
$(info -- You have not integrate susfs in your kernel.)
$(info -- Read: https://gitlab.com/simonpunk/susfs4ksu)
endif
# Keep a new line here!! Because someone may append config
# Keep a new line here!! Because someone may append config