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kernel, ksud: clean headers and add fd wrapper for devpts (#193)

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* Now Official KernelSU devpts compat is questionable
Squashed commits:
4893fad235
e7c3d4a6a6
4bb2dae3f5

Signed-off-by: Faris <rissu.ntk@gmail.com>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
This commit is contained in:
Faris
2025-11-07 20:12:12 +07:00
committed by ShirkNeko
parent 968c3f7d57
commit 29c6e2dbcc
19 changed files with 700 additions and 272 deletions
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28
kernel/ksud.c
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@@ -54,7 +54,7 @@ static void stop_vfs_read_hook(void);
static void stop_execve_hook(void);
static void stop_input_hook(void);
#ifdef CONFIG_KSU_KPROBES_HOOK
#ifdef 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;
@@ -64,7 +64,7 @@ bool ksu_input_hook __read_mostly = true;
#endif
bool ksu_execveat_hook __read_mostly = true;
u32 ksu_devpts_sid;
u32 ksu_file_sid;
// Detect whether it is on or not
static bool is_boot_phase = true;
@@ -83,11 +83,11 @@ void on_post_fs_data(void)
// sanity check, this may influence the performance
stop_input_hook();
ksu_devpts_sid = ksu_get_devpts_sid();
pr_info("devpts sid: %d\n", ksu_devpts_sid);
// End of boot state
// End of boot state
is_boot_phase = false;
ksu_file_sid = ksu_get_ksu_file_sid();
pr_info("devpts sid: %d\n", ksu_file_sid);
}
struct user_arg_ptr {
@@ -294,7 +294,7 @@ 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_KPROBES_HOOK
#ifndef KSU_KPROBES_HOOK
if (!ksu_vfs_read_hook) {
return 0;
}
@@ -407,7 +407,7 @@ 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_KPROBES_HOOK
#ifndef KSU_KPROBES_HOOK
if (!ksu_input_hook) {
return 0;
}
@@ -449,7 +449,7 @@ bool ksu_is_safe_mode(void)
return false;
}
#ifdef CONFIG_KSU_KPROBES_HOOK
#ifdef KSU_KPROBES_HOOK
static int sys_execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
/*
@@ -668,7 +668,7 @@ int __maybe_unused ksu_handle_compat_execve_ksud(
static void stop_vfs_read_hook(void)
{
#ifdef CONFIG_KSU_KPROBES_HOOK
#ifdef KSU_KPROBES_HOOK
bool ret = schedule_work(&stop_vfs_read_work);
pr_info("unregister vfs_read kprobe: %d!\n", ret);
#else
@@ -679,7 +679,7 @@ static void stop_vfs_read_hook(void)
static void stop_execve_hook(void)
{
#ifdef CONFIG_KSU_KPROBES_HOOK
#ifdef KSU_KPROBES_HOOK
bool ret = schedule_work(&stop_execve_hook_work);
pr_info("unregister execve kprobe: %d!\n", ret);
#else
@@ -690,7 +690,7 @@ static void stop_execve_hook(void)
static void stop_input_hook(void)
{
#ifdef CONFIG_KSU_KPROBES_HOOK
#ifdef KSU_KPROBES_HOOK
static bool input_hook_stopped = false;
if (input_hook_stopped) {
return;
@@ -710,7 +710,7 @@ static void stop_input_hook(void)
// ksud: module support
void ksu_ksud_init(void)
{
#ifdef CONFIG_KSU_KPROBES_HOOK
#ifdef KSU_KPROBES_HOOK
int ret;
ret = register_kprobe(&execve_kp);
@@ -730,7 +730,7 @@ void ksu_ksud_init(void)
void ksu_ksud_exit(void)
{
#ifdef CONFIG_KSU_KPROBES_HOOK
#ifdef KSU_KPROBES_HOOK
unregister_kprobe(&execve_kp);
// this should be done before unregister vfs_read_kp
// unregister_kprobe(&vfs_read_kp);