PAM_SETCRED(3) | Library Functions Manual | PAM_SETCRED(3)

# NAME

`pam_setcred` —
modify / delete user credentials for an authentication service

# 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_BAD_CONSTANT`.

# RETURN VALUES

The `pam_setcred`() function returns one of the following values:

[`PAM_SUCCESS`]
  Success.
[`PAM_ABORT`]
  General failure.
[`PAM_BAD_CONSTANT`]
  Bad constant.
[`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_SYSTEM_ERR`]
  System error.
[`PAM_USER_UNKNOWN`]
  Unknown user.

# SEE ALSO

pam(3), pam_strerror(3)

# 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.

The OpenPAM library is maintained by Dag-Erling Smørgrav <des@des.no>.

April 30, 2017 | NetBSD 9.0