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kernel: add selinux rules for allowlist

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weishu
2022-12-23 08:15:35 +07:00
parent dcb1d38a37
commit fa59434753
2 changed files with 6 additions and 14 deletions
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16
kernel/allowlist.c
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@@ -41,16 +41,6 @@ static struct work_struct ksu_load_work;
bool persistent_allow_list(void);
struct file *permissive_filp_open(const char * path, int flags, umode_t mode) {
struct file* fp;
// fixme: u:r:kernel:s0 don't have permission to write /data/adb...
bool enforcing = getenforce();
if (enforcing) setenforce(false);
fp = filp_open(path, flags, mode);
if (enforcing) setenforce(true);
return fp;
}
bool ksu_allow_uid(uid_t uid, bool allow) {
// find the node first!
@@ -129,7 +119,7 @@ void do_persistent_allow_list(struct work_struct *work) {
struct list_head *pos = NULL;
loff_t off = 0;
struct file *fp = permissive_filp_open(KERNEL_SU_ALLOWLIST, O_WRONLY | O_CREAT, 0644);
struct file *fp = filp_open(KERNEL_SU_ALLOWLIST, O_WRONLY | O_CREAT, 0644);
if (IS_ERR(fp)) {
pr_err("save_allow_list creat file failed: %d\n", PTR_ERR(fp));
@@ -181,9 +171,8 @@ void do_load_allow_list(struct work_struct *work) {
filp_close(fp, 0);
}
#if 1
// load allowlist now!
fp = permissive_filp_open(KERNEL_SU_ALLOWLIST, O_RDONLY, 0);
fp = filp_open(KERNEL_SU_ALLOWLIST, O_RDONLY, 0);
if (IS_ERR(fp)) {
pr_err("load_allow_list open file failed: %d\n", PTR_ERR(fp));
@@ -221,7 +210,6 @@ void do_load_allow_list(struct work_struct *work) {
exit:
filp_close(fp, 0);
#endif
}
static int init_work(void) {