diff options
Diffstat (limited to 'crypto/asymmetric_keys/x509_public_key.c')
| -rw-r--r-- | crypto/asymmetric_keys/x509_public_key.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c index d376195e1d08..927ce755ff67 100644 --- a/crypto/asymmetric_keys/x509_public_key.c +++ b/crypto/asymmetric_keys/x509_public_key.c @@ -24,6 +24,7 @@ #include "public_key.h" #include "x509_parser.h" +static bool use_builtin_keys; static char *ca_keyid; #ifndef MODULE @@ -34,6 +35,8 @@ static int __init ca_keys_setup(char *str) if (strncmp(str, "id:", 3) == 0) ca_keyid = str; /* owner key 'id:xxxxxx' */ + else if (strcmp(str, "builtin") == 0) + use_builtin_keys = true; return 1; } @@ -180,7 +183,6 @@ EXPORT_SYMBOL_GPL(x509_check_signature); static int x509_validate_trust(struct x509_certificate *cert, struct key *trust_keyring) { - const struct public_key *pk; struct key *key; int ret = 1; @@ -195,8 +197,9 @@ static int x509_validate_trust(struct x509_certificate *cert, cert->authority, strlen(cert->authority)); if (!IS_ERR(key)) { - pk = key->payload.data; - ret = x509_check_signature(pk, cert); + if (!use_builtin_keys + || test_bit(KEY_FLAG_BUILTIN, &key->flags)) + ret = x509_check_signature(key->payload.data, cert); key_put(key); } return ret; |