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kernel: refact (#113)

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* refact

* sort inlude

* update

* unregister execve kprobe

* update log

* don't unregister if not in kprobe

* opt for no kprobe

* opt for no kprobe

* stop debug

* don't forget to call ksu_uid_observer_exit

* rename core to core_hook

* direct call do_persistent_allow_list

* add prefix

* use getter, add warn

* add wrapper

* run clang-format

clang-format --style="{BasedOnStyle: InheritParentConfig, SortIncludes: true}" -i kernel/**/*.[ch]

* try fix wsa x64 build
This commit is contained in:
Ylarod
2023-01-25 21:53:19 +08:00
committed by GitHub
parent 5fb8316e46
commit 2f970f7ab8
26 changed files with 1002 additions and 850 deletions
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66
kernel/uid_observer.c
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@@ -1,21 +1,16 @@
#include "linux/kprobes.h"
#include <linux/list.h>
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/fs_struct.h>
#include <linux/namei.h>
#include <linux/err.h>
#include <linux/workqueue.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include "linux/err.h"
#include "linux/fs.h"
#include "linux/list.h"
#include "linux/slab.h"
#include "linux/string.h"
#include "linux/types.h"
#include "linux/version.h"
#include "linux/workqueue.h"
#include "uid_observer.h"
#include "allowlist.h"
#include "arch.h"
#include "klog.h"
#include "ksu.h"
#include "manager.h"
#include "uid_observer.h"
#define SYSTEM_PACKAGES_LIST_PATH "/data/system/packages.list"
static struct work_struct ksu_update_uid_work;
@@ -121,50 +116,11 @@ out:
filp_close(fp, 0);
}
static void update_uid()
void update_uid()
{
ksu_queue_work(&ksu_update_uid_work);
}
int ksu_handle_rename(struct dentry *old_dentry, struct dentry *new_dentry)
{
if (!current->mm) {
// skip kernel threads
return 0;
}
if (current_uid().val != 1000) {
// skip non system uid
return 0;
}
if (!old_dentry || !new_dentry) {
return 0;
}
// /data/system/packages.list.tmp -> /data/system/packages.list
if (strcmp(new_dentry->d_iname, "packages.list")) {
return 0;
}
char path[128];
char *buf = dentry_path_raw(new_dentry, path, sizeof(path));
if (IS_ERR(buf)) {
pr_err("dentry_path_raw failed.\n");
return 0;
}
if (strcmp(buf, "/system/packages.list")) {
return 0;
}
pr_info("renameat: %s -> %s\n, new path: %s", old_dentry->d_iname,
new_dentry->d_iname, buf);
update_uid();
return 0;
}
int ksu_uid_observer_init()
{
INIT_WORK(&ksu_update_uid_work, do_update_uid);