#include <linux/ctype.h>
#include <linux/err.h>
#include <linux/seq_file.h>
+#include <linux/uidgid.h>
#include <keys/system_keyring.h>
#include "blacklist.h"
found_colon:
desc++;
for (; *desc; desc++) {
- if (!isxdigit(*desc))
+ if (!isxdigit(*desc) || isupper(*desc))
return -EINVAL;
n++;
}
/**
* mark_hash_blacklisted - Add a hash to the system blacklist
- * @hash - The hash as a hex string with a type prefix (eg. "tbs:23aa429783")
+ * @hash: The hash as a hex string with a type prefix (eg. "tbs:23aa429783")
*/
int mark_hash_blacklisted(const char *hash)
{
}
EXPORT_SYMBOL_GPL(is_hash_blacklisted);
+int is_binary_blacklisted(const u8 *hash, size_t hash_len)
+{
+ if (is_hash_blacklisted(hash, hash_len, "bin") == -EKEYREJECTED)
+ return -EPERM;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(is_binary_blacklisted);
+
/*
* Initialise the blacklist
*/
blacklist_keyring =
keyring_alloc(".blacklist",
- KUIDT_INIT(0), KGIDT_INIT(0),
- current_cred(),
+ GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, current_cred(),
(KEY_POS_ALL & ~KEY_POS_SETATTR) |
KEY_USR_VIEW | KEY_USR_READ |
KEY_USR_SEARCH,
KEY_ALLOC_NOT_IN_QUOTA |
- KEY_FLAG_KEEP,
+ KEY_ALLOC_SET_KEEP,
NULL, NULL);
if (IS_ERR(blacklist_keyring))
panic("Can't allocate system blacklist keyring\n");