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/*
* Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
* 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 Mats O Jansson
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 char rcsid[] = "$Id: yppasswdd_mkpw.c,v 1.8 1996/08/31 13:54:13 deraadt Exp $";
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <rpc/rpc.h>
#include <rpcsvc/yppasswd.h>
#include <pwd.h>
#include <stdlib.h>
#include <unistd.h>
#include <util.h>
extern int noshell;
extern int nogecos;
extern int nopw;
extern int make;
extern char make_arg[];
int
badchars(base)
char *base;
{
int ampr = 0;
char *s;
for (s = base; *s; s++) {
if (*s == '&')
ampr++;
if (!isprint(*s))
return 1;
if (strchr(":\n\t\r", *s))
return 1;
}
if (ampr > 10)
return 1;
return 0;
}
int
make_passwd(argp)
yppasswd *argp;
{
struct passwd *pw;
int pfd, tfd;
char buf[10], *p;
int alen;
pw = getpwnam(argp->newpw.pw_name);
if (!pw)
return (1);
if (strcmp(crypt(argp->oldpass, pw->pw_passwd), pw->pw_passwd) != 0)
return (1);
if (!nopw && badchars(argp->newpw.pw_passwd))
return (1);
if (!nogecos && badchars(argp->newpw.pw_gecos))
return (1);
if (!nogecos && badchars(argp->newpw.pw_shell))
return (1);
/*
* Get the new password. Reset passwd change time to zero; when
* classes are implemented, go and get the "offset" value for this
* class and reset the timer.
*/
if (!nopw) {
pw->pw_passwd = argp->newpw.pw_passwd;
pw->pw_change = 0;
}
if (!nogecos)
pw->pw_gecos = argp->newpw.pw_gecos;
if (!noshell)
pw->pw_shell = argp->newpw.pw_shell;
for (alen = 0, p = pw->pw_gecos; *p; p++)
if (*p == '&')
alen = alen + strlen(pw->pw_name) - 1;
if (strlen(pw->pw_name) + 1 + strlen(pw->pw_passwd) + 1 +
strlen((sprintf(buf, "%d", pw->pw_uid), buf)) + 1 +
strlen((sprintf(buf, "%d", pw->pw_gid), buf)) + 1 +
strlen(pw->pw_gecos) + alen + 1 + strlen(pw->pw_dir) + 1 +
strlen(pw->pw_shell) >= 1023) {
return (1);
}
pw_init();
tfd = pw_lock(0);
pw_copy(pfd, tfd, pw);
pw_mkdb();
if (fork() == 0) {
chdir("/var/yp");
(void) umask(022);
system(make_arg);
exit(0);
}
return (0);
}
/*
int
do_mkdb()
{
int pstat;
pid_t pid;
(void)printf("%s: rebuilding the database...\n", progname);
(void)fflush(stdout);
if (!(pid = vfork())) {
execl(_PATH_PWD_MKDB, "pwd_mkdb", "-p", tempname, NULL);
pw_error(_PATH_PWD_MKDB, 1, 1);
}
pid = waitpid(pid, &pstat, 0);
if (pid == -1 || !WIFEXITED(pstat) || WEXITSTATUS(pstat) != 0)
return(0);
(void)printf("%s: done\n", progname);
return(1);
}
*/
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