1 files changed, 81 insertions, 0 deletions
diff --git a/system_cmds/chkpasswd.tproj/pam_passwd.c b/system_cmds/chkpasswd.tproj/pam_passwd.c
new file mode 100644
index 0000000..07d9919
--- /dev/null
+++ b/system_cmds/chkpasswd.tproj/pam_passwd.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 1999-2016 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+#include <stdio.h>
+
+#include <security/pam_appl.h>
+#include <security/openpam.h>	/* for openpam_ttyconv() */
+
+#include "passwd.h"
+
+extern char* progname;
+static pam_handle_t *pamh;
+static struct pam_conv pamc;
+
+//-------------------------------------------------------------------------------------
+//	pam_check_passwd
+//-------------------------------------------------------------------------------------
+
+int
+pam_check_passwd(char* uname)
+{
+	int retval = PAM_SUCCESS;
+
+	/* Initialize PAM. */
+	pamc.conv = &openpam_ttyconv;
+	pam_start(progname, uname, &pamc, &pamh);
+
+	printf("Checking password for %s.\n", uname);
+
+	/* Authenticate. */
+	if (PAM_SUCCESS != (retval = pam_authenticate(pamh, 0)))
+		goto pamerr;
+
+	/* Authorize. */
+	if (PAM_SUCCESS != (retval = pam_acct_mgmt(pamh, 0)) && PAM_NEW_AUTHTOK_REQD != retval)
+		goto pamerr;
+
+	/* Change the password. */
+	if (PAM_NEW_AUTHTOK_REQD == retval && PAM_SUCCESS != (retval = pam_chauthtok(pamh, 0)))
+		goto pamerr;
+
+	/* Set the credentials. */
+	if (PAM_SUCCESS != (retval = pam_setcred(pamh, PAM_ESTABLISH_CRED)))
+		goto pamerr;
+
+	/* Open the session. */
+	if (PAM_SUCCESS != (retval = pam_open_session(pamh, 0)))
+		goto pamerr;
+
+	/* Close the session. */
+	if (PAM_SUCCESS != (retval = pam_close_session(pamh, 0)))
+		goto pamerr;
+
+pamerr:
+	/* Print an error, if needed. */
+	if (PAM_SUCCESS != retval)
+		fprintf(stderr, "Sorry\n");
+
+	/* Terminate PAM. */
+	pam_end(pamh, retval);
+	return retval;
+}