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PAM_SM_SETCRED(3)              Linux-PAM Manual              PAM_SM_SETCRED(3)

NAME
       pam_sm_setcred - PAM service function to alter credentials

SYNOPSIS
       #define PAM_SM_AUTH

       #include <security/pam_modules.h>

       PAM_EXTERN int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc,
                                     const char **argv);

DESCRIPTION
       The pam_sm_setcred function is the service module's implementation of
       the pam_setcred(3) interface.

       This function performs the task of altering the credentials of the user
       with respect to the corresponding authorization scheme. Generally, an
       authentication module may have access to more information about a user
       than their authentication token. This function is used to make such
       information available to the application. It should only be called
       after the user has been authenticated but before a session has been
       established.

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

       PAM_SILENT
           Do not emit any messages.

       PAM_ESTABLISH_CRED
           Initialize the credentials for the user.

       PAM_DELETE_CRED
           Delete the credentials associated with the authentication service.

       PAM_REINITIALIZE_CRED
           Reinitialize the user credentials.

       PAM_REFRESH_CRED
           Extend the lifetime of the user credentials.

       The way the auth stack is navigated in order to evaluate the
       pam_setcred() function call, independent of the pam_sm_setcred() return
       codes, is exactly the same way that it was navigated when evaluating
       the pam_authenticate() library call. Typically, if a stack entry was
       ignored in evaluating pam_authenticate(), it will be ignored when
       libpam evaluates the pam_setcred() function call. Otherwise, the return
       codes from each module specific pam_sm_setcred() call are treated as
       required.

RETURN VALUES
       PAM_CRED_UNAVAIL
           This module cannot retrieve the user's credentials.

       PAM_CRED_EXPIRED
           The user's credentials have expired.

       PAM_CRED_ERR
           This module was unable to set the credentials of the user.

       PAM_SUCCESS
           The user credential was successfully set.

       PAM_USER_UNKNOWN
           The user is not known to this authentication module.

       These, non-PAM_SUCCESS, return values will typically lead to the
       credential stack failing. The first such error will dominate in the
       return value of pam_setcred().

SEE ALSO
       pam(3), pam_authenticate(3), pam_setcred(3), pam_sm_authenticate(3),
       pam_strerror(3), PAM(8)

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

Czas wygenerowania: 0.00051 sek.


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