drivers/kernelsu: port KernelSU NEXT

Author: duhansysl

drivers/kernelsu/.check

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+Diagnostics:
+  UnusedIncludes: Strict
+  ClangTidy:
+    Remove: bugprone-sizeof-expression

drivers/kernelsu/.clang-format

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+1830

drivers/kernelsu/.clangd

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+menu "KernelSU"
+
+config KSU
+	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.
+
+endmenu

drivers/kernelsu/.version

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+kernelsu-objs := ksu.o
+kernelsu-objs += allowlist.o
+kernelsu-objs += apk_sign.o
+kernelsu-objs += sucompat.o
+kernelsu-objs += throne_tracker.o
+kernelsu-objs += core_hook.o
+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 $(srctree)/include/uapi/asm-generic/errno.h
+
+obj-$(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)
+KSU_GIT_VERSION := $(shell cd $(srctree)/$(src); /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin git rev-list --count HEAD)
+# ksu_version: major * 10000 + git version + 200 for historical reasons
+$(eval KSU_VERSION=$(shell expr 10000 + $(KSU_GIT_VERSION) + 200))
+$(info -- KernelSU version: $(KSU_VERSION))
+else # If there is no .git file, the default version will be passed.
+endif
+
+ifeq ($(shell grep -q " current_sid(void)" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
+ccflags-y += -DKSU_COMPAT_HAS_CURRENT_SID
+endif
+
+ifeq ($(shell grep -q "struct selinux_state " $(srctree)/security/selinux/include/security.h; echo $$?),0)
+ccflags-y += -DKSU_COMPAT_HAS_SELINUX_STATE
+endif
+
+ifndef KSU_EXPECTED_SIZE
+KSU_EXPECTED_SIZE := 0x033b
+endif
+
+ifndef KSU_EXPECTED_HASH
+KSU_EXPECTED_HASH := c371061b19d8c7d7d6133c6a9bafe198fa944e50c1b31c9d8daa8d7f1fc2d2d6
+endif
+
+ifdef KSU_MANAGER_PACKAGE
+ccflags-y += -DKSU_MANAGER_PACKAGE=\"$(KSU_MANAGER_PACKAGE)\"
+$(info -- KernelSU Manager package name: $(KSU_MANAGER_PACKAGE))
+endif
+
+$(info -- KernelSU Manager signature size: $(KSU_EXPECTED_SIZE))
+$(info -- KernelSU Manager signature hash: $(KSU_EXPECTED_HASH))
+
+ccflags-y += -DEXPECTED_SIZE=$(KSU_EXPECTED_SIZE)
+ccflags-y += -DEXPECTED_HASH=\"$(KSU_EXPECTED_HASH)\"
+
+ifeq ($(shell grep -q "int path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
+ccflags-y += -DKSU_UMOUNT
+else
+$(info -- Did you know you can backport path_umount to fs/namespace.c from 5.9?)
+$(info -- Read: https://kernelsu.org/guide/how-to-integrate-for-non-gki.html#how-to-backport-path-umount)
+endif
+
+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
+
+ccflags-y += -DKSU_VERSION=12030