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kernel: prune allowlist with package name and uid

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weishu
2023-10-12 15:44:43 +08:00
parent 79951f06ed
commit b1830049f1
3 changed files with 15 additions and 10 deletions
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7
kernel/allowlist.c
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@@ -441,7 +441,7 @@ exit:
filp_close(fp, 0);
}
void ksu_prune_allowlist(bool (*is_uid_exist)(uid_t, void *), void *data)
void ksu_prune_allowlist(bool (*is_uid_valid)(uid_t, char *, void *), void *data)
{
struct perm_data *np = NULL;
struct perm_data *n = NULL;
@@ -451,11 +451,12 @@ void ksu_prune_allowlist(bool (*is_uid_exist)(uid_t, void *), void *data)
mutex_lock(&allowlist_mutex);
list_for_each_entry_safe (np, n, &allow_list, list) {
uid_t uid = np->profile.current_uid;
char *package = np->profile.key;
// we use this uid for special cases, don't prune it!
bool is_preserved_uid = uid == KSU_APP_PROFILE_PRESERVE_UID;
if (!is_preserved_uid && !is_uid_exist(uid, data)) {
if (!is_preserved_uid && !is_uid_valid(uid, package, data)) {
modified = true;
pr_info("prune uid: %d\n", uid);
pr_info("prune uid: %d, package: %s\n", uid, package);
list_del(&np->list);
allow_list_bitmap[uid / BITS_PER_BYTE] &= ~(1 << (uid % BITS_PER_BYTE));
remove_uid_from_arr(uid);