1 files changed, 125 insertions, 0 deletions
diff --git a/usr.sbin/vipw/vipw.c b/usr.sbin/vipw/vipw.c
new file mode 100644
index 000000000000..7e5e760bf3c5
--- /dev/null
+++ b/usr.sbin/vipw/vipw.c
@@ -0,0 +1,125 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1987, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * Copyright (c) 2002 Networks Associates Technology, Inc.
+ * All rights reserved.
+ *
+ * Portions of this software were developed for the FreeBSD Project by
+ * ThinkSec AS and NAI Labs, the Security Research Division of Network
+ * Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
+ * ("CBOSS"), as part of the DARPA CHATS research program.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <err.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <libutil.h>		/* must be after pwd.h */
+
+static void	usage(void);
+
+int
+main(int argc, char *argv[])
+{
+	const char *passwd_dir = NULL;
+	int ch, pfd, tfd;
+	char *line;
+	size_t len;
+
+	while ((ch = getopt(argc, argv, "d:")) != -1)
+		switch (ch) {
+		case 'd':
+			passwd_dir = optarg;
+			break;
+		case '?':
+		default:
+			usage();
+		}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc != 0)
+		usage();
+
+	if (pw_init(passwd_dir, NULL) == -1)
+		err(1, "pw_init()");
+	if ((pfd = pw_lock()) == -1) {
+		pw_fini();
+		err(1, "pw_lock()");
+	}
+	if ((tfd = pw_tmp(pfd)) == -1) {
+		pw_fini();
+		err(1, "pw_tmp()");
+	}
+	(void)close(tfd);
+	/* Force umask for partial writes made in the edit phase */
+	(void)umask(077);
+
+	for (;;) {
+		switch (pw_edit(0)) {
+		case -1:
+			pw_fini();
+			err(1, "pw_edit()");
+		case 0:
+			pw_fini();
+			errx(0, "no changes made");
+		default:
+			break;
+		}
+		if (pw_mkdb(NULL) == 0) {
+			pw_fini();
+			errx(0, "password list updated");
+		}
+		printf("re-edit the password file? ");
+		fflush(stdout);
+		if ((line = fgetln(stdin, &len)) == NULL) {
+			pw_fini();
+			err(1, "fgetln()");
+		}
+		if (len > 0 && (*line == 'N' || *line == 'n'))
+			break;
+	}
+	pw_fini();
+	exit(0);
+}
+
+static void
+usage(void)
+{
+
+	(void)fprintf(stderr, "usage: vipw [-d directory]\n");
+	exit(1);
+}