diff options
Diffstat (limited to 'security/keys/request_key_auth.c')
| -rw-r--r-- | security/keys/request_key_auth.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c index ba717b8163a..68164031a74 100644 --- a/security/keys/request_key_auth.c +++ b/security/keys/request_key_auth.c @@ -1,4 +1,4 @@ -/* request_key_auth.c: request key authorisation controlling key def +/* Request key authorisation token key definition. * * Copyright (C) 2005 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) @@ -26,7 +26,7 @@ static void request_key_auth_destroy(struct key *); static long request_key_auth_read(const struct key *, char __user *, size_t); /* - * the request-key authorisation key type definition + * The request-key authorisation key type definition. */ struct key_type key_type_request_key_auth = { .name = ".request_key_auth", @@ -39,7 +39,7 @@ struct key_type key_type_request_key_auth = { }; /* - * instantiate a request-key authorisation key + * Instantiate a request-key authorisation key. */ static int request_key_auth_instantiate(struct key *key, const void *data, @@ -50,7 +50,7 @@ static int request_key_auth_instantiate(struct key *key, } /* - * reading a request-key authorisation key retrieves the callout information + * Describe an authorisation token. */ static void request_key_auth_describe(const struct key *key, struct seq_file *m) @@ -63,7 +63,7 @@ static void request_key_auth_describe(const struct key *key, } /* - * read the callout_info data + * Read the callout_info data (retrieves the callout information). * - the key's semaphore is read-locked */ static long request_key_auth_read(const struct key *key, @@ -89,8 +89,9 @@ static long request_key_auth_read(const struct key *key, } /* - * handle revocation of an authorisation token key - * - called with the key sem write-locked + * Handle revocation of an authorisation token key. + * + * Called with the key sem write-locked. */ static void request_key_auth_revoke(struct key *key) { @@ -105,7 +106,7 @@ static void request_key_auth_revoke(struct key *key) } /* - * destroy an instantiation authorisation token key + * Destroy an instantiation authorisation token key. */ static void request_key_auth_destroy(struct key *key) { @@ -125,8 +126,8 @@ static void request_key_auth_destroy(struct key *key) } /* - * create an authorisation token for /sbin/request-key or whoever to gain - * access to the caller's security data + * Create an authorisation token for /sbin/request-key or whoever to gain + * access to the caller's security data. */ struct key *request_key_auth_new(struct key *target, const void *callout_info, size_t callout_len, struct key *dest_keyring) @@ -220,7 +221,7 @@ error_alloc: } /* - * see if an authorisation key is associated with a particular key + * See if an authorisation key is associated with a particular key. */ static int key_get_instantiation_authkey_match(const struct key *key, const void *_id) @@ -232,11 +233,8 @@ static int key_get_instantiation_authkey_match(const struct key *key, } /* - * get the authorisation key for instantiation of a specific key if attached to - * the current process's keyrings - * - this key is inserted into a keyring and that is set as /sbin/request-key's - * session keyring - * - a target_id of zero specifies any valid token + * Search the current process's keyrings for the authorisation key for + * instantiation of a key. */ struct key *key_get_instantiation_authkey(key_serial_t target_id) { |