2 * Copyright (c) 1987, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static const char copyright[] =
36 "@(#) Copyright (c) 1987, 1993, 1994\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)vipw.c 8.3 (Berkeley) 4/2/94";
44 static const char rcsid[] =
48 #include <sys/types.h>
61 extern char *masterpasswd;
64 static void copyfile(int, int);
65 static void usage(void);
68 main(int argc, char *argv[])
71 struct stat begin, end;
74 while ((ch = getopt(argc, argv, "d:")) != -1)
77 if ((masterpasswd = malloc(strlen(optarg) +
78 strlen(_MASTERPASSWD) + 2)) == NULL)
80 strcpy(masterpasswd, optarg);
81 if (masterpasswd[strlen(masterpasswd) - 1] != '/')
82 strcat(masterpasswd, "/" _MASTERPASSWD);
84 strcat(masterpasswd, _MASTERPASSWD);
85 if ((mppath = strdup(optarg)) == NULL)
87 if (mppath[strlen(mppath) - 1] == '/')
88 mppath[strlen(mppath) - 1] = '\0';
106 /* Force umask for partial writes made in the edit phase */
110 if (stat(tempname, &begin))
111 pw_error(tempname, 1, 1);
113 if (stat(tempname, &end))
114 pw_error(tempname, 1, 1);
115 if (begin.st_mtime == end.st_mtime) {
116 warnx("no changes made");
117 pw_error((char *)NULL, 0, 0);
119 if (pw_mkdb((char *)NULL))
127 copyfile(int from, int to)
132 while ((nr = read(from, buf, sizeof(buf))) > 0)
133 for (off = 0; off < nr; nr -= nw, off += nw)
134 if ((nw = write(to, buf + off, nr)) < 0)
135 pw_error(tempname, 1, 1);
137 pw_error(masterpasswd, 1, 1);
144 (void)fprintf(stderr, "usage: vipw [ -d directory ]\n");