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Diffstat (limited to 'keyutils-1.5.6/keyctl_get_keyring_ID.3')
| -rw-r--r-- | keyutils-1.5.6/keyctl_get_keyring_ID.3 | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/keyutils-1.5.6/keyctl_get_keyring_ID.3 b/keyutils-1.5.6/keyctl_get_keyring_ID.3 new file mode 100644 index 0000000..be9660d --- /dev/null +++ b/keyutils-1.5.6/keyctl_get_keyring_ID.3 @@ -0,0 +1,96 @@ +.\" +.\" Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. +.\" Written by David Howells (dhowells@redhat.com) +.\" +.\" This program is free software; you can redistribute it and/or +.\" modify it under the terms of the GNU General Public License +.\" as published by the Free Software Foundation; either version +.\" 2 of the License, or (at your option) any later version. +.\" +.TH KEYCTL_GET_KEYRING_ID 3 "4 May 2006" Linux "Linux Key Management Calls" +.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +.SH NAME +keyctl_get_keyring_ID \- Get the ID of a special keyring +.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +.SH SYNOPSIS +.nf +.B #include <keyutils.h> +.sp +.BI "key_serial_t keyctl_get_keyring_ID(key_serial_t " key "," +.BI " int " create ");" +.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +.SH DESCRIPTION +.BR keyctl_get_keyring_ID () +maps a special +.I key +or keyring ID to the serial number of the key actually representing that +feature. The serial number will be returned if that key exists. +.P +If the key or keyring does not yet exist, then if +.I create +is non-zero, the key or keyring will be created if it is appropriate to do so. +.P +The following special key IDs may be specified as +.IR key : +.TP +.B KEY_SPEC_THREAD_KEYRING +This specifies the caller's thread-specific keyring. +.TP +.B KEY_SPEC_PROCESS_KEYRING +This specifies the caller's process-specific keyring. +.TP +.B KEY_SPEC_SESSION_KEYRING +This specifies the caller's session-specific keyring. +.TP +.B KEY_SPEC_USER_KEYRING +This specifies the caller's UID-specific keyring. +.TP +.B KEY_SPEC_USER_SESSION_KEYRING +This specifies the caller's UID-session keyring. +.TP +.B KEY_SPEC_REQKEY_AUTH_KEY +This specifies the authorisation key created by +.BR request_key () +and passed to the process it spawns to generate a key. +.P +If a valid keyring ID is passed in, then this will simply be returned if the +key exists; an error will be issued if it doesn't exist. +.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +.SH RETURN VALUE +On success +.BR keyctl_get_keyring_ID () +returns the serial number of the key it found. On error, the value +.B -1 +will be returned and errno will have been set to an appropriate error. +.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +.SH ERRORS +.TP +.B ENOKEY +No matching key was found. +.TP +.B ENOMEM +Insufficient memory to create a key. +.TP +.B EDQUOT +The key quota for this user would be exceeded by creating this key or linking +it to the keyring. +.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +.SH LINKING +This is a library function that can be found in +.IR libkeyutils . +When linking, +.B -lkeyutils +should be specified to the linker. +.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +.SH SEE ALSO +.BR keyctl (1), +.br +.BR add_key (2), +.br +.BR keyctl (2), +.br +.BR request_key (2), +.br +.BR keyctl (3), +.br +.BR request-key (8) |