51956e9393
YP server. This is required if the passwd database is to stay in sync if this program is run on the YP server. Note, local passwd database operations can still be performed by passing the -l flag.
226 lines
6.3 KiB
C
226 lines
6.3 KiB
C
/* $NetBSD: edit.c,v 1.7 1996/08/09 09:22:16 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990, 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
|
|
#if 0
|
|
static char sccsid[] = "@(#)edit.c 8.3 (Berkeley) 4/2/94";
|
|
#else
|
|
static char rcsid[] = "$NetBSD: edit.c,v 1.7 1996/08/09 09:22:16 thorpej Exp $";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <paths.h>
|
|
#include <pwd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <util.h>
|
|
|
|
#include "chpass.h"
|
|
|
|
void
|
|
edit(tempname, pw)
|
|
char *tempname;
|
|
struct passwd *pw;
|
|
{
|
|
struct stat begin, end;
|
|
|
|
for (;;) {
|
|
if (stat(tempname, &begin))
|
|
(*Pw_error)(tempname, 1, 1);
|
|
pw_edit(1, tempname);
|
|
if (stat(tempname, &end))
|
|
(*Pw_error)(tempname, 1, 1);
|
|
if (begin.st_mtime == end.st_mtime) {
|
|
warnx("no changes made");
|
|
unlink(tempname);
|
|
(*Pw_error)(NULL, 0, 0);
|
|
}
|
|
if (verify(tempname, pw))
|
|
break;
|
|
#ifdef YP
|
|
if (use_yp)
|
|
yppw_prompt();
|
|
else
|
|
#endif
|
|
pw_prompt();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* display --
|
|
* print out the file for the user to edit; strange side-effect:
|
|
* set conditional flag if the user gets to edit the shell.
|
|
*/
|
|
void
|
|
display(tempname, fd, pw)
|
|
char *tempname;
|
|
int fd;
|
|
struct passwd *pw;
|
|
{
|
|
FILE *fp;
|
|
char *bp, *p, *ttoa();
|
|
|
|
if (!(fp = fdopen(fd, "w")))
|
|
(*Pw_error)(tempname, 1, 1);
|
|
|
|
(void)fprintf(fp,
|
|
"#Changing user %sdatabase information for %s.\n",
|
|
use_yp ? "YP " : "", pw->pw_name);
|
|
if (!uid) {
|
|
(void)fprintf(fp, "Login: %s\n", pw->pw_name);
|
|
(void)fprintf(fp, "Password: %s\n", pw->pw_passwd);
|
|
(void)fprintf(fp, "Uid [#]: %d\n", pw->pw_uid);
|
|
(void)fprintf(fp, "Gid [# or name]: %d\n", pw->pw_gid);
|
|
(void)fprintf(fp, "Change [month day year]: %s\n",
|
|
ttoa(pw->pw_change));
|
|
(void)fprintf(fp, "Expire [month day year]: %s\n",
|
|
ttoa(pw->pw_expire));
|
|
(void)fprintf(fp, "Class: %s\n", pw->pw_class);
|
|
(void)fprintf(fp, "Home directory: %s\n", pw->pw_dir);
|
|
(void)fprintf(fp, "Shell: %s\n",
|
|
*pw->pw_shell ? pw->pw_shell : _PATH_BSHELL);
|
|
}
|
|
/* Only admin can change "restricted" shells. */
|
|
else if (ok_shell(pw->pw_shell))
|
|
/*
|
|
* Make shell a restricted field. Ugly with a
|
|
* necklace, but there's not much else to do.
|
|
*/
|
|
(void)fprintf(fp, "Shell: %s\n",
|
|
*pw->pw_shell ? pw->pw_shell : _PATH_BSHELL);
|
|
else
|
|
list[E_SHELL].restricted = 1;
|
|
bp = pw->pw_gecos;
|
|
p = strsep(&bp, ",");
|
|
(void)fprintf(fp, "Full Name: %s\n", p ? p : "");
|
|
p = strsep(&bp, ",");
|
|
(void)fprintf(fp, "Location: %s\n", p ? p : "");
|
|
p = strsep(&bp, ",");
|
|
(void)fprintf(fp, "Office Phone: %s\n", p ? p : "");
|
|
p = strsep(&bp, ",");
|
|
(void)fprintf(fp, "Home Phone: %s\n", p ? p : "");
|
|
|
|
(void)fchown(fd, getuid(), getgid());
|
|
(void)fclose(fp);
|
|
}
|
|
|
|
int
|
|
verify(tempname, pw)
|
|
char *tempname;
|
|
struct passwd *pw;
|
|
{
|
|
ENTRY *ep;
|
|
char *p;
|
|
struct stat sb;
|
|
FILE *fp;
|
|
int len;
|
|
static char buf[LINE_MAX];
|
|
|
|
if (!(fp = fopen(tempname, "r")))
|
|
(*Pw_error)(tempname, 1, 1);
|
|
if (fstat(fileno(fp), &sb))
|
|
(*Pw_error)(tempname, 1, 1);
|
|
if (sb.st_size == 0) {
|
|
warnx("corrupted temporary file");
|
|
goto bad;
|
|
}
|
|
while (fgets(buf, sizeof(buf), fp)) {
|
|
if (!buf[0] || buf[0] == '#')
|
|
continue;
|
|
if (!(p = strchr(buf, '\n'))) {
|
|
warnx("line too long");
|
|
goto bad;
|
|
}
|
|
*p = '\0';
|
|
for (ep = list;; ++ep) {
|
|
if (!ep->prompt) {
|
|
warnx("unrecognized field");
|
|
goto bad;
|
|
}
|
|
if (!strncasecmp(buf, ep->prompt, ep->len)) {
|
|
if (ep->restricted && uid) {
|
|
warnx(
|
|
"you may not change the %s field",
|
|
ep->prompt);
|
|
goto bad;
|
|
}
|
|
if (!(p = strchr(buf, ':'))) {
|
|
warnx("line corrupted");
|
|
goto bad;
|
|
}
|
|
while (isspace(*++p));
|
|
if (ep->except && strpbrk(p, ep->except)) {
|
|
warnx(
|
|
"illegal character in the \"%s\" field",
|
|
ep->prompt);
|
|
goto bad;
|
|
}
|
|
if ((ep->func)(p, pw, ep)) {
|
|
bad: (void)fclose(fp);
|
|
return (0);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
(void)fclose(fp);
|
|
|
|
/* Build the gecos field. */
|
|
len = strlen(list[E_NAME].save) + strlen(list[E_BPHONE].save) +
|
|
strlen(list[E_HPHONE].save) + strlen(list[E_LOCATE].save) + 4;
|
|
if (!(p = malloc(len)))
|
|
err(1, NULL);
|
|
(void)sprintf(pw->pw_gecos = p, "%s,%s,%s,%s", list[E_NAME].save,
|
|
list[E_LOCATE].save, list[E_BPHONE].save, list[E_HPHONE].save);
|
|
|
|
if (snprintf(buf, sizeof(buf),
|
|
"%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s",
|
|
pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid, pw->pw_class,
|
|
pw->pw_change, pw->pw_expire, pw->pw_gecos, pw->pw_dir,
|
|
pw->pw_shell) >= sizeof(buf)) {
|
|
warnx("entries too long");
|
|
return (0);
|
|
}
|
|
return (pw_scan(buf, pw, (int *)NULL));
|
|
}
|