android/SukiSU-Ultra
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

kernel: code clean up and some inlining

Browse Source 
Signed-off-by: rsuntk <rsuntk@yukiprjkt.my.id>
This commit is contained in:
rsuntk
2025-07-22 21:55:49 +07:00
committed by ShirkNeko
parent a9e3c1cc8f
commit fc85270a35
2 changed files with 9 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
kernel/sucompat.c
View File

@@ -25,11 +25,15 @@
#define SU_PATH "/system/bin/su"
#define SH_PATH "/system/bin/sh"
static const char sh_path = SH_PATH;
static const char su_path = SU_PATH;
static const char ksud_path[] = KSUD_PATH;
extern void escape_to_root();
bool ksu_sucompat_hook_state __read_mostly = true;
static void __user *userspace_stack_buffer(const void *d, size_t len)
static inline void __user *userspace_stack_buffer(const void *d, size_t len)
{
/* To avoid having to mmap a page in userspace, just write below the stack
* pointer. */
@@ -38,26 +42,19 @@ static void __user *userspace_stack_buffer(const void *d, size_t len)
return copy_to_user(p, d, len) ? NULL : p;
}
static char __user *sh_user_path(void)
static inline char __user *sh_user_path(void)
{
static const char sh_path[] = "/system/bin/sh";
return userspace_stack_buffer(sh_path, sizeof(sh_path));
}
static char __user *ksud_user_path(void)
static inline char __user *ksud_user_path(void)
{
static const char ksud_path[] = KSUD_PATH;
return userspace_stack_buffer(ksud_path, sizeof(ksud_path));
}
int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode,
int *__unused_flags)
{
const char su[] = SU_PATH;
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_hook_state) {
return 0;
@@ -82,9 +79,6 @@ int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode,
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_KPROBES_HOOK
if (!ksu_sucompat_hook_state) {
return 0;
@@ -118,9 +112,6 @@ int ksu_handle_execveat_sucompat(int *fd, struct filename **filename_ptr,
int *__never_use_flags)
{
struct filename *filename;
const char sh[] = KSUD_PATH;
const char su[] = SU_PATH;
#ifndef CONFIG_KSU_KPROBES_HOOK
if (!ksu_sucompat_hook_state) {
return 0;
@@ -153,7 +144,6 @@ int ksu_handle_execve_sucompat(int *fd, const char __user **filename_user,
void *__never_use_argv, void *__never_use_envp,
int *__never_use_flags)
{
const char su[] = SU_PATH;
char path[sizeof(su) + 1];
if (unlikely(!filename_user))