find_key_by_type_and_name - find a key by type and name
#include <keyutils.h>
key_serial_t find_key_by_type_and_name(const char *type,
const char *description, key_serial_t destringid);
find_key_by_type_and_name() searches for a key with the given
type
and exact
description, firstly in the thread, process and session
keyrings to which a process is subscribed and secondly in
/proc/keys.
If a key is found, and
destringid is not 0 and specifies a keyring, then
the found key will be linked into it.
The function returns the ID of the key if a key was found or -1 otherwise.
- ENOKEY
- No key was found or the keyring specified is invalid.
- EKEYEXPIRED
- The key or keyring have expired.
- EKEYREVOKED
- The key or keyring have been revoked.
- EACCES
- The key is not accessible or keyring exists, but is not
writable by the calling process.
When linking,
-lkeyutils should be specified to the linker.
request_key(2),
keyctl(3),
keyrings(7)