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    Command:

    pam_setcred

    
    
    

    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.
    
    
    

    Linux-PAM Manual 11/04/2009 PAM_SETCRED(3)

    
    
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