diff options
Diffstat (limited to 'certs/system_keyring.c')
| -rw-r--r-- | certs/system_keyring.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/certs/system_keyring.c b/certs/system_keyring.c index b348e0898d34..33841c91f12c 100644 --- a/certs/system_keyring.c +++ b/certs/system_keyring.c @@ -152,6 +152,36 @@ static __init struct key_restriction *get_builtin_and_secondary_restriction(void return restriction; } + +/** + * add_to_secondary_keyring - Add to secondary keyring. + * @source: Source of key + * @data: The blob holding the key + * @len: The length of the data blob + * + * Add a key to the secondary keyring. The key must be vouched for by a key in the builtin, + * machine or secondary keyring itself. + */ +void __init add_to_secondary_keyring(const char *source, const void *data, size_t len) +{ + key_ref_t key; + key_perm_t perm; + + perm = (KEY_POS_ALL & ~KEY_POS_SETATTR) | KEY_USR_VIEW; + + key = key_create_or_update(make_key_ref(secondary_trusted_keys, 1), + "asymmetric", + NULL, data, len, perm, + KEY_ALLOC_NOT_IN_QUOTA); + if (IS_ERR(key)) { + pr_err("Problem loading X.509 certificate from %s to secondary keyring %ld\n", + source, PTR_ERR(key)); + return; + } + + pr_notice("Loaded X.509 cert '%s'\n", key_ref_to_ptr(key)->description); + key_ref_put(key); +} #endif #ifdef CONFIG_INTEGRITY_MACHINE_KEYRING void __init set_machine_trusted_keys(struct key *keyring) |