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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/allowlist.c
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@@ -1,26 +1,10 @@
#include <linux/list.h>
#include <linux/cpu.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/kprobes.h>
#include <linux/memory.h>
#include <linux/module.h>
#include <linux/printk.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/uaccess.h>
#include <linux/uidgid.h>
#include "linux/delay.h"
#include "linux/fs.h"
#include "linux/kernel.h"
#include "linux/list.h"
#include "linux/printk.h"
#include "linux/slab.h"
#include <linux/fdtable.h>
#include <linux/fs.h>
#include <linux/fs_struct.h>
#include <linux/namei.h>
#include <linux/rcupdate.h>
#include <linux/delay.h> // msleep
#include "klog.h"
#include "selinux/selinux.h"
#define FILE_MAGIC 0x7f4b5355 // ' KSU', u32
@@ -256,39 +240,37 @@ void ksu_prune_allowlist(bool (*is_uid_exist)(uid_t, void *), void *data)
}
}
static int init_work(void)
{
INIT_WORK(&ksu_save_work, do_persistent_allow_list);
INIT_WORK(&ksu_load_work, do_load_allow_list);
return 0;
}
// make sure allow list works cross boot
bool persistent_allow_list(void)
{
ksu_queue_work(&ksu_save_work);
return true;
return ksu_queue_work(&ksu_save_work);
}
bool ksu_load_allow_list(void)
{
ksu_queue_work(&ksu_load_work);
return true;
return ksu_queue_work(&ksu_load_work);
}
bool ksu_allowlist_init(void)
void ksu_allowlist_init(void)
{
INIT_LIST_HEAD(&allow_list);
init_work();
// start load allow list, we load it before app_process exec now, refer: sucompat#execve_handler_pre
// ksu_load_allow_list();
return true;
INIT_WORK(&ksu_save_work, do_persistent_allow_list);
INIT_WORK(&ksu_load_work, do_load_allow_list);
}
bool ksu_allowlist_exit(void)
void ksu_allowlist_exit(void)
{
return true;
struct perm_data *np = NULL;
struct perm_data *n = NULL;
do_persistent_allow_list(NULL);
// free allowlist
mutex_lock(&allowlist_mutex);
list_for_each_entry_safe (np, n, &allow_list, list) {
list_del(&np->list);
kfree(np);
}
mutex_unlock(&allowlist_mutex);
}