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kernel: Undo some changes

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This commit is contained in:
ShirkNeko
2025-11-09 16:09:59 +08:00
parent 05ed1a3714
commit 184467c691
6 changed files with 238 additions and 481 deletions
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54
kernel/sucompat.c
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@@ -147,60 +147,6 @@ int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags)
return 0;
}
// the call from execve_handler_pre won't provided correct value for __never_use_argument, use them after fix execve_handler_pre, keeping them for consistence for manually patched code
int ksu_handle_execveat_sucompat(int *fd, struct filename **filename_ptr,
void *__never_use_argv, void *__never_use_envp,
int *__never_use_flags)
{
struct filename *filename;
const char sh[] = KSUD_PATH;
const char su[] = SU_PATH;
#ifdef KSU_MANUAL_HOOK
if (!ksu_su_compat_enabled) {
return 0;
}
#endif
if (unlikely(!filename_ptr))
return 0;
filename = *filename_ptr;
if (IS_ERR(filename)) {
return 0;
}
if (likely(memcmp(filename->name, su, sizeof(su))))
return 0;
#if __SULOG_GATE
bool is_allowed = ksu_is_allow_uid_for_current(current_uid().val);
ksu_sulog_report_syscall(current_uid().val, NULL, "execve", filename->name);
if (!is_allowed) {
return 0;
}
ksu_sulog_report_su_attempt(current_uid().val, NULL, filename->name, is_allowed);
#else
if (!ksu_is_allow_uid_for_current(current_uid().val)) {
return 0;
}
#endif
pr_info("do_execveat_common su found\n");
memcpy((void *)filename->name, sh, sizeof(sh));
escape_with_root_profile();
return 0;
}
int ksu_handle_execveat(int *fd, struct filename **filename_ptr, void *argv,
void *envp, int *flags)
{
return ksu_handle_execveat_sucompat(fd, filename_ptr, argv, envp, 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)