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-rw-r--r--lib/pam_pass.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/pam_pass.c b/lib/pam_pass.c
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index 0000000..ff49173
--- /dev/null
+++ b/lib/pam_pass.c
@@ -0,0 +1,59 @@
+/*
+ * SPDX-FileCopyrightText: 1997 - 1999, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2001 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2008 , Nicolas François
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <config.h>
+
+#ifdef USE_PAM
+
+#ident "$Id$"
+
+
+/*
+ * Change the user's password using PAM.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include "defines.h"
+#include "pam_defs.h"
+#include "prototypes.h"
+#include "shadowlog.h"
+
+void do_pam_passwd (const char *user, bool silent, bool change_expired)
+{
+ pam_handle_t *pamh = NULL;
+ int flags = 0, ret;
+ FILE *shadow_logfd = log_get_logfd();
+
+ if (silent)
+ flags |= PAM_SILENT;
+ if (change_expired)
+ flags |= PAM_CHANGE_EXPIRED_AUTHTOK;
+
+ ret = pam_start ("passwd", user, &conv, &pamh);
+ if (ret != PAM_SUCCESS) {
+ fprintf (shadow_logfd,
+ _("passwd: pam_start() failed, error %d\n"), ret);
+ exit (10); /* XXX */
+ }
+
+ ret = pam_chauthtok (pamh, flags);
+ if (ret != PAM_SUCCESS) {
+ fprintf (shadow_logfd, _("passwd: %s\n"), pam_strerror (pamh, ret));
+ fputs (_("passwd: password unchanged\n"), shadow_logfd);
+ pam_end (pamh, ret);
+ exit (10); /* XXX */
+ }
+
+ fputs (_("passwd: password updated successfully\n"), shadow_logfd);
+ (void) pam_end (pamh, PAM_SUCCESS);
+}
+#else /* !USE_PAM */
+extern int ISO_C_forbids_an_empty_translation_unit;
+#endif /* !USE_PAM */