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kernel: rename KSU_WITH_KPROBES to KSU_KPROBES_HOOK for better self explanitory

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This commit is contained in:
rifsxd
2025-05-21 15:13:17 +06:00
parent 26d3ec14a6
commit eed685507a
5 changed files with 23 additions and 23 deletions
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2
kernel/Kconfig
View File

@@ -10,7 +10,7 @@ config KSU
To compile as a module, choose M here: the
module will be called kernelsu.
config KSU_WITH_KPROBES
config KSU_KPROBES_HOOK
bool "Use kprobes for kernelsu"
depends on KSU
depends on KPROBES

2
kernel/core_hook.c
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@@ -964,7 +964,7 @@ void __init ksu_core_init(void)
void ksu_core_exit(void)
{
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
pr_info("ksu_core_kprobe_exit\n");
// we dont use this now
// ksu_kprobe_exit();

4
kernel/ksu.c
View File

@@ -57,7 +57,7 @@ int __init kernelsu_init(void)
ksu_throne_tracker_init();
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
ksu_sucompat_init();
ksu_ksud_init();
#else
@@ -80,7 +80,7 @@ void kernelsu_exit(void)
destroy_workqueue(ksu_workqueue);
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
ksu_ksud_exit();
ksu_sucompat_exit();
#endif

20
kernel/ksud.c
View File

@@ -54,7 +54,7 @@ static void stop_vfs_read_hook();
static void stop_execve_hook();
static void stop_input_hook();
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
static struct work_struct stop_vfs_read_work;
static struct work_struct stop_execve_hook_work;
static struct work_struct stop_input_hook_work;
@@ -163,7 +163,7 @@ int ksu_handle_execveat_ksud(int *fd, struct filename **filename_ptr,
struct user_arg_ptr *argv,
struct user_arg_ptr *envp, int *flags)
{
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_execveat_hook) {
return 0;
}
@@ -319,7 +319,7 @@ static ssize_t read_iter_proxy(struct kiocb *iocb, struct iov_iter *to)
int ksu_handle_vfs_read(struct file **file_ptr, char __user **buf_ptr,
size_t *count_ptr, loff_t **pos)
{
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_vfs_read_hook) {
return 0;
}
@@ -432,7 +432,7 @@ static bool is_volumedown_enough(unsigned int count)
int ksu_handle_input_handle_event(unsigned int *type, unsigned int *code,
int *value)
{
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_input_hook) {
return 0;
}
@@ -504,7 +504,7 @@ __maybe_unused int ksu_handle_execve_ksud(const char __user *filename_user,
return ksu_handle_execveat_ksud(AT_FDCWD, &filename_p, &argv, NULL, NULL);
}
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
// https://elixir.bootlin.com/linux/v5.10.158/source/fs/exec.c#L1864
static int execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
@@ -634,7 +634,7 @@ static void do_stop_input_hook(struct work_struct *work)
static void stop_vfs_read_hook()
{
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
bool ret = schedule_work(&stop_vfs_read_work);
pr_info("unregister vfs_read kprobe: %d!\n", ret);
#else
@@ -645,7 +645,7 @@ static void stop_vfs_read_hook()
static void stop_execve_hook()
{
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
bool ret = schedule_work(&stop_execve_hook_work);
pr_info("unregister execve kprobe: %d!\n", ret);
#else
@@ -656,7 +656,7 @@ static void stop_execve_hook()
static void stop_input_hook()
{
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
static bool input_hook_stopped = false;
if (input_hook_stopped) {
return;
@@ -674,7 +674,7 @@ static void stop_input_hook()
// ksud: module support
void ksu_ksud_init()
{
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
int ret;
ret = register_kprobe(&execve_kp);
@@ -694,7 +694,7 @@ void ksu_ksud_init()
void ksu_ksud_exit()
{
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
unregister_kprobe(&execve_kp);
// this should be done before unregister vfs_read_kp
// unregister_kprobe(&vfs_read_kp);

18
kernel/sucompat.c
View File

@@ -24,7 +24,7 @@
#define SU_PATH "/system/bin/su"
#define SH_PATH "/system/bin/sh"
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
static bool ksu_sucompat_non_kp __read_mostly = true;
#endif
@@ -58,7 +58,7 @@ int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode,
{
const char su[] = SU_PATH;
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
@@ -85,7 +85,7 @@ int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags)
// const char sh[] = SH_PATH;
const char su[] = SU_PATH;
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp){
return 0;
}
@@ -135,7 +135,7 @@ int ksu_handle_execveat_sucompat(int *fd, struct filename **filename_ptr,
const char sh[] = KSUD_PATH;
const char su[] = SU_PATH;
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
@@ -170,7 +170,7 @@ int ksu_handle_execve_sucompat(int *fd, const char __user **filename_user,
const char su[] = SU_PATH;
char path[sizeof(su) + 1];
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
@@ -213,7 +213,7 @@ int ksu_handle_execve_sucompat(int *fd, const char __user **filename_user,
int ksu_handle_devpts(struct inode *inode)
{
#ifndef CONFIG_KSU_WITH_KPROBES
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_non_kp) {
return 0;
}
@@ -247,7 +247,7 @@ int ksu_handle_devpts(struct inode *inode)
return 0;
}
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
static int faccessat_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
@@ -330,7 +330,7 @@ static struct kprobe *su_kps[4];
// sucompat: permited process can execute 'su' to gain root access.
void ksu_sucompat_init()
{
#ifdef CONFIG_KSU_WITH_KPROBES
#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);
@@ -343,7 +343,7 @@ void ksu_sucompat_init()
void ksu_sucompat_exit()
{
#ifdef CONFIG_KSU_WITH_KPROBES
#ifdef CONFIG_KSU_KPROBES_HOOK
for (int i = 0; i < ARRAY_SIZE(su_kps); i++) {
destroy_kprobe(&su_kps[i]);
}