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/* $OpenBSD: rpc.yppasswdd.c,v 1.9 1997/08/19 07:00:51 niklas Exp $ */
/*
* 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[] = "$OpenBSD: rpc.yppasswdd.c,v 1.9 1997/08/19 07:00:51 niklas Exp $";
#endif
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <pwd.h>
#include <util.h>
#include <rpc/rpc.h>
#include <rpc/pmap_clnt.h>
#include "yppasswd.h"
static void yppasswddprog_1();
void sig_child();
int noshell, nogecos, nopw, domake;
char make_arg[1024] = "make";
char *progname = "yppasswdd";
char *tempname;
char *dir;
void
usage()
{
fprintf(stderr, "%s%s%s",
"usage: rpc.yppasswdd ",
"[-d dir] [-noshell] [-nogecos] [-nopw]\n",
" [-m arg1 arg2 ... ]\n");
exit(1);
}
int
main(argc, argv)
int argc;
char *argv[];
{
SVCXPRT *transp;
int i = 1;
while (i < argc) {
if (argv[i][0] == '-') {
if (strcmp("-noshell", argv[i]) == 0) {
noshell = 1;
} else if (strcmp("-nogecos", argv[i]) == 0) {
nogecos = 1;
} else if (strcmp("-nopw", argv[i]) == 0) {
nopw = 1;
} else if (strcmp("-m", argv[i]) == 0) {
domake = 1;
while (i < argc) {
strcat(make_arg, " ");
strcat(make_arg, argv[i]);
i++;
}
} else if (strcmp("-d", argv[i]) == 0
&& i < argc + 1) {
i++;
dir = argv[i];
} else
usage();
i++;
} else
usage();
}
(void) daemon(0, 0);
chdir("/etc");
/*
freopen("/dev/null", "r", stdin);
freopen("/var/yp/stderr", "w", stderr);
freopen("/var/yp/stdout", "w", stdout);
*/
(void) pmap_unset(YPPASSWDPROG, YPPASSWDVERS);
(void) signal(SIGCHLD, sig_child);
transp = svcudp_create(RPC_ANYSOCK);
if (transp == NULL) {
(void) fprintf(stderr, "cannot create udp service.\n");
exit(1);
}
if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
IPPROTO_UDP)) {
fprintf(stderr, "unable to register YPPASSWDPROG, YPPASSWDVERS, udp\n");
exit(1);
}
transp = svctcp_create(RPC_ANYSOCK, 0, 0);
if (transp == NULL) {
(void) fprintf(stderr, "cannot create tcp service.\n");
exit(1);
}
if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
IPPROTO_TCP)) {
fprintf(stderr, "unable to register YPPASSWDPROG, YPPASSWDVERS, tcp\n");
exit(1);
}
svc_run();
(void) fprintf(stderr, "svc_run returned\n");
exit(1);
}
static void
yppasswddprog_1(rqstp, transp)
struct svc_req *rqstp;
SVCXPRT *transp;
{
union {
yppasswd yppasswdproc_update_1_arg;
} argument;
char *result;
bool_t(*xdr_argument) (), (*xdr_result) ();
char *(*local) ();
switch (rqstp->rq_proc) {
case NULLPROC:
(void) svc_sendreply(transp, xdr_void, (char *) NULL);
return;
case YPPASSWDPROC_UPDATE:
xdr_argument = xdr_yppasswd;
xdr_result = xdr_int;
local = (char *(*) ()) yppasswdproc_update_1_svc;
break;
default:
svcerr_noproc(transp);
return;
}
bzero((char *) &argument, sizeof(argument));
if (!svc_getargs(transp, xdr_argument, (caddr_t) & argument)) {
svcerr_decode(transp);
return;
}
result = (*local) (&argument, rqstp, transp);
}
void
sig_child()
{
int save_errno = errno;
while (wait3((int *) NULL, WNOHANG, (struct rusage *) NULL) > 0)
;
errno = save_errno;
}
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