152 lines
4.0 KiB
C
152 lines
4.0 KiB
C
/* $NetBSD: yppasswdd_mkpw.c,v 1.9 2001/08/18 19:35:32 ad Exp $ */
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/*
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* Copyright (c) 1996 Jason R. Thorpe <thorpej@NetBSD.ORG>
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* All rights reserved.
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*
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* Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mats O Jansson
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: yppasswdd_mkpw.c,v 1.9 2001/08/18 19:35:32 ad Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <util.h>
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#include <limits.h>
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#include <rpc/rpc.h>
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#include <rpc/xdr.h>
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#include <rpcsvc/yppasswd.h>
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#include "extern.h"
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int handling_request; /* simple mutex */
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void
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make_passwd(yppasswd *argp, struct svc_req *rqstp, SVCXPRT *transp)
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{
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struct passwd *pw;
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int pfd, tfd;
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char mpwd[MAXPATHLEN];
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#define REPLY(val) do { \
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int res = (val); \
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if (!svc_sendreply(transp, xdr_int, (caddr_t)&res)) \
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svcerr_systemerr(transp); \
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} while (0)
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#define RETURN(val) do { \
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REPLY((val)); \
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handling_request = 0; \
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return; \
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} while (0)
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if (handling_request) {
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warnx("already handling request; try again later");
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REPLY(1);
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return;
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}
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handling_request = 1;
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pw = getpwnam(argp->newpw.pw_name);
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if (!pw)
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RETURN(1);
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if (*pw->pw_passwd &&
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strcmp(crypt(argp->oldpass, pw->pw_passwd), pw->pw_passwd) != 0)
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RETURN(1);
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pw_init();
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tfd = pw_lock(0);
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if (tfd < 0) {
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warnx("the passwd file is busy.");
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RETURN(1);
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}
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(void)strlcpy(mpwd, pw_getprefix(), sizeof(mpwd));
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(void)strlcat(mpwd, _PATH_MASTERPASSWD, sizeof(mpwd));
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pfd = open(mpwd, O_RDONLY, 0);
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if (pfd < 0) {
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pw_abort();
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warnx("%s", mpwd);
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RETURN(1);
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}
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/*
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* Get the new password. Reset passwd change time to zero; when
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* classes are implemented, go and get the "offset" value for this
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* class and reset the timer.
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*/
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if (!nopw) {
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pw->pw_passwd = argp->newpw.pw_passwd;
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pw->pw_change = 0;
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}
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if (!nogecos)
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pw->pw_gecos = argp->newpw.pw_gecos;
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if (!noshell)
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pw->pw_shell = argp->newpw.pw_shell;
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pw_copy(pfd, tfd, pw, NULL);
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if (pw_mkdb(pw->pw_name, 0) < 0) {
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warnx("pw_mkdb failed");
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pw_abort();
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RETURN(1);
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}
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/* XXX RESTORE SIGNAL STATE? XXX */
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/* Notify caller we succeeded. */
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REPLY(0);
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/* Update the YP maps. */
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if (chdir("/var/yp"))
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err(EXIT_FAILURE, "/var/yp");
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(void) umask(022);
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(void) system(make_arg);
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handling_request = 0;
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}
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