NAME
pam_setcred – modify / delete user credentials for an authentication service
LIBRARY
library “libpam”
SYNOPSIS
#include <sys/types.h>
#include <security/pam_appl.h>
int
pam_setcred(pam_handle_t *pamh, int flags);
DESCRIPTION
The pam_setcred function manages the application's credentials.
The flags argument is the binary or of zero or more of the following values:
- PAM_SILENT
-
Do not emit any messages.
- PAM_ESTABLISH_CRED
-
Establish the credentials of the target user.
- PAM_DELETE_CRED
-
Revoke all established credentials.
- PAM_REINITIALIZE_CRED
-
Fully reinitialise credentials.
- PAM_REFRESH_CRED
-
Refresh credentials.
The latter four are mutually exclusive.
If any other bits are set, pam_setcred will return PAM_SYMBOL_ERR.
RETURN VALUES
The pam_setcred function returns one of the following values:
- [PAM_ABORT]
-
General failure.
- [PAM_BUF_ERR]
-
Memory buffer error.
- [PAM_CONV_ERR]
-
Conversation failure.
- [PAM_CRED_ERR]
-
Failed to set user credentials.
- [PAM_CRED_EXPIRED]
-
User credentials have expired.
- [PAM_CRED_UNAVAIL]
-
Failed to retrieve user credentials.
- [PAM_PERM_DENIED]
-
Permission denied.
- [PAM_SERVICE_ERR]
-
Error in service module.
- [PAM_SYMBOL_ERR]
-
Invalid symbol.
- [PAM_SYSTEM_ERR]
-
System error.
- [PAM_USER_UNKNOWN]
-
Unknown user.
SEE ALSO
STANDARDS
X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules, June 1997.
AUTHORS
The pam_setcred function and this manual page were developed for the FreeBSD Project by ThinkSec AS and Network Associates Laboratories, the Security Research Division of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 (“CBOSS”), as part of the DARPA CHATS research program.