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kernel: Add the ability to get active managers for multi-manager APKs

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ShirkNeko
2025-07-06 00:25:42 +08:00
parent f7dcc82be5
commit b8f9a448f2
4 changed files with 70 additions and 0 deletions
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38
kernel/apk_sign.c
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@@ -139,6 +139,10 @@ int ksu_get_manager_signature_index(uid_t uid)
int signature_index = -1;
int i;
if (ksu_manager_uid != KSU_INVALID_UID && uid == ksu_manager_uid) {
return 1;
}
if (!is_dynamic_sign_enabled()) {
return -1;
}
@@ -442,6 +446,40 @@ void ksu_dynamic_sign_exit(void)
pr_info("Dynamic sign exited with persistent storage\n");
}
// Get active managers for multi-manager APKs
int ksu_get_active_managers(struct manager_list_info *info)
{
unsigned long flags;
int i, count = 0;
if (!info) {
return -EINVAL;
}
if (ksu_manager_uid != KSU_INVALID_UID && count < 2) {
info->managers[count].uid = ksu_manager_uid;
info->managers[count].signature_index = 1;
count++;
}
if (is_dynamic_sign_enabled()) {
spin_lock_irqsave(&managers_lock, flags);
for (i = 0; i < MAX_MANAGERS && count < 2; i++) {
if (active_managers[i].is_active) {
info->managers[count].uid = active_managers[i].uid;
info->managers[count].signature_index = active_managers[i].signature_index;
count++;
}
}
spin_unlock_irqrestore(&managers_lock, flags);
}
info->count = count;
return 0;
}
struct sdesc {
struct shash_desc shash;
char ctx[];