e2df287aad
It is Undefined Behavior to declare errno (see NOTES in its manual page). Instead of using the errno dummy declaration, use one that doesn't need a comment. Signed-off-by: Alejandro Colomar <alx@kernel.org>
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
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* SPDX-FileCopyrightText: 1997 - 1999, Marek Michałkiewicz
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* SPDX-FileCopyrightText: 2001 - 2005, Tomasz Kłoczko
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* SPDX-FileCopyrightText: 2008 , Nicolas François
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <config.h>
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#ifdef USE_PAM
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#ident "$Id$"
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/*
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* Change the user's password using PAM.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include "defines.h"
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#include "pam_defs.h"
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#include "prototypes.h"
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#include "shadowlog.h"
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void do_pam_passwd (const char *user, bool silent, bool change_expired)
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{
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pam_handle_t *pamh = NULL;
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int flags = 0, ret;
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FILE *shadow_logfd = log_get_logfd();
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if (silent)
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flags |= PAM_SILENT;
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if (change_expired)
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flags |= PAM_CHANGE_EXPIRED_AUTHTOK;
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ret = pam_start ("passwd", user, &conv, &pamh);
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if (ret != PAM_SUCCESS) {
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fprintf (shadow_logfd,
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_("passwd: pam_start() failed, error %d\n"), ret);
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exit (10); /* XXX */
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}
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ret = pam_chauthtok (pamh, flags);
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if (ret != PAM_SUCCESS) {
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fprintf (shadow_logfd, _("passwd: %s\n"), pam_strerror (pamh, ret));
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fputs (_("passwd: password unchanged\n"), shadow_logfd);
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pam_end (pamh, ret);
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exit (10); /* XXX */
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}
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fputs (_("passwd: password updated successfully\n"), shadow_logfd);
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(void) pam_end (pamh, PAM_SUCCESS);
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}
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#else /* !USE_PAM */
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extern int ISO_C_forbids_an_empty_translation_unit;
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#endif /* !USE_PAM */
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