147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
/*
|
|
* Copyright (c) 1987, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1987, 1993, 1994\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)vipw.c 8.3 (Berkeley) 4/2/94";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#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 "pw_util.h"
|
|
|
|
extern char *mppath;
|
|
extern char *masterpasswd;
|
|
char *tempname;
|
|
|
|
static void copyfile(int, int);
|
|
static void usage(void);
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int pfd, tfd;
|
|
struct stat begin, end;
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "d:")) != -1)
|
|
switch (ch) {
|
|
case 'd':
|
|
if ((masterpasswd = malloc(strlen(optarg) +
|
|
strlen(_MASTERPASSWD) + 2)) == NULL)
|
|
err(1, NULL);
|
|
strcpy(masterpasswd, optarg);
|
|
if (masterpasswd[strlen(masterpasswd) - 1] != '/')
|
|
strcat(masterpasswd, "/" _MASTERPASSWD);
|
|
else
|
|
strcat(masterpasswd, _MASTERPASSWD);
|
|
if ((mppath = strdup(optarg)) == NULL)
|
|
err(1, NULL);
|
|
if (mppath[strlen(mppath) - 1] == '/')
|
|
mppath[strlen(mppath) - 1] = '\0';
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 0)
|
|
usage();
|
|
|
|
pw_init();
|
|
pfd = pw_lock();
|
|
tfd = pw_tmp();
|
|
copyfile(pfd, tfd);
|
|
(void)close(tfd);
|
|
/* Force umask for partial writes made in the edit phase */
|
|
(void)umask(077);
|
|
|
|
for (;;) {
|
|
if (stat(tempname, &begin))
|
|
pw_error(tempname, 1, 1);
|
|
pw_edit(0);
|
|
if (stat(tempname, &end))
|
|
pw_error(tempname, 1, 1);
|
|
if (begin.st_mtime == end.st_mtime) {
|
|
warnx("no changes made");
|
|
pw_error((char *)NULL, 0, 0);
|
|
}
|
|
if (pw_mkdb((char *)NULL))
|
|
break;
|
|
pw_prompt();
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
static void
|
|
copyfile(int from, int to)
|
|
{
|
|
int nr, nw, off;
|
|
char buf[8*1024];
|
|
|
|
while ((nr = read(from, buf, sizeof(buf))) > 0)
|
|
for (off = 0; off < nr; nr -= nw, off += nw)
|
|
if ((nw = write(to, buf + off, nr)) < 0)
|
|
pw_error(tempname, 1, 1);
|
|
if (nr < 0)
|
|
pw_error(masterpasswd, 1, 1);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
(void)fprintf(stderr, "usage: vipw [ -d directory ]\n");
|
|
exit(1);
|
|
}
|