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kernel: code clean up and some inlining

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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
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36
kernel/ksud.c
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@@ -75,11 +75,11 @@ void on_post_fs_data(void)
{
static bool done = false;
if (done) {
pr_info("on_post_fs_data already done\n");
pr_info("%s already done\n", __func__);
return;
}
done = true;
pr_info("on_post_fs_data!\n");
pr_info("%s!\n", __func__);
ksu_load_allow_list();
// sanity check, this may influence the performance
stop_input_hook();
@@ -523,18 +523,6 @@ static int sys_execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
NULL);
}
// remove this later!
__maybe_unused static int vfs_read_handler_pre(struct kprobe *p,
struct pt_regs *regs)
{
struct file **file_ptr = (struct file **)&PT_REGS_PARM1(regs);
char __user **buf_ptr = (char **)&PT_REGS_PARM2(regs);
size_t *count_ptr = (size_t *)&PT_REGS_PARM3(regs);
loff_t **pos_ptr = (loff_t **)&PT_REGS_CCALL_PARM4(regs);
return ksu_handle_vfs_read(file_ptr, buf_ptr, count_ptr, pos_ptr);
}
static int sys_read_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
struct pt_regs *real_regs = PT_REAL_REGS(regs);
@@ -554,35 +542,15 @@ static int input_handle_event_handler_pre(struct kprobe *p,
return ksu_handle_input_handle_event(type, code, value);
}
#if 1
static struct kprobe execve_kp = {
.symbol_name = SYS_EXECVE_SYMBOL,
.pre_handler = sys_execve_handler_pre,
};
#else
static struct kprobe execve_kp = {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
.symbol_name = "do_execveat_common",
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0)
.symbol_name = "__do_execve_file",
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
.symbol_name = "do_execveat_common",
#endif
.pre_handler = execve_handler_pre,
};
#endif
#if 1
static struct kprobe vfs_read_kp = {
.symbol_name = SYS_READ_SYMBOL,
.pre_handler = sys_read_handler_pre,
};
#else
static struct kprobe vfs_read_kp = {
.symbol_name = "vfs_read",
.pre_handler = vfs_read_handler_pre,
};
#endif
static struct kprobe input_event_kp = {
.symbol_name = "input_event",