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PAM_SETCRED(3)                 Linux-PAM Manual                 PAM_SETCRED(3)

NAME
       pam_setcred - establish / delete user credentials

SYNOPSIS
       #include <security/pam_appl.h>

       int pam_setcred(pam_handle_t *pamh, int flags);

DESCRIPTION
       The pam_setcred function is used to establish, maintain and delete the
       credentials of a user. It should be called to set the credentials after
       a user has been authenticated and before a session is opened for the
       user (with pam_open_session(3)). The credentials should be deleted
       after the session has been closed (with pam_close_session(3)).

       A credential is something that the user possesses. It is some property,
       such as a Kerberos ticket, or a supplementary group membership that
       make up the uniqueness of a given user. On a Linux system the user's
       UID and GID's are credentials too. However, it has been decided that
       these properties (along with the default supplementary groups of which
       the user is a member) are credentials that should be set directly by
       the application and not by PAM. Such credentials should be established,
       by the application, prior to a call to this function. For example,
       initgroups(2) (or equivalent) should have been performed.

       Valid flags, any one of which, may be logically OR'd with PAM_SILENT,
       are:

       PAM_ESTABLISH_CRED
           Initialize the credentials for the user.

       PAM_DELETE_CRED
           Delete the user's credentials.

       PAM_REINITIALIZE_CRED
           Fully reinitialize the user's credentials.

       PAM_REFRESH_CRED
           Extend the lifetime of the existing credentials.

RETURN VALUES
       PAM_BUF_ERR
           Memory buffer error.

       PAM_CRED_ERR
           Failed to set user credentials.

       PAM_CRED_EXPIRED
           User credentials are expired.

       PAM_CRED_UNAVAIL
           Failed to retrieve user credentials.

       PAM_SUCCESS
           Data was successful stored.

       PAM_SYSTEM_ERR
           A NULL pointer was submitted as PAM handle, the function was called
           by a module or another system error occured.

       PAM_USER_UNKNOWN
           User is not known to an authentication module.

SEE ALSO
       pam_authenticate(3), pam_open_session(3), pam_close_session(3),
       pam_strerror(3)

Linux-PAM Manual                  09/19/2013                    PAM_SETCRED(3)

Czas wygenerowania: 0.00050 sek.


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