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kernel: Rewrite the kernel source code (#554)

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* 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>
This commit is contained in:
ShirkNeko
2025-11-09 01:14:26 +08:00
parent 678c00cad9
commit af4b502631
27 changed files with 1567 additions and 1374 deletions
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32
kernel/sucompat.h
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@@ -1,34 +1,18 @@
#ifndef __KSU_H_SUCOMPAT
#define __KSU_H_SUCOMPAT
#include <linux/sched.h>
#include <linux/thread_info.h>
#include <linux/version.h>
#include <linux/types.h>
extern bool ksu_su_compat_enabled;
void ksu_sucompat_init(void);
void ksu_sucompat_exit(void);
void ksu_sucompat_enable(void);
void ksu_sucompat_disable(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(int *fd, const char __user **filename_user,
void *__never_use_argv, void *__never_use_envp,
int *__never_use_flags);
void ksu_mark_running_process(void);
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
}
#endif