2 * Copyright (c) 1995, 1996
3 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $FreeBSD: src/usr.sbin/rpc.ypupdated/ypupdated_main.c,v 1.10 2004/05/24 12:28:27 stefanf Exp $
35 #include "ypupdate_prot.h"
37 #include <stdlib.h> /* getenv, exit */
38 #include <rpc/pmap_clnt.h> /* for pmap_unset */
39 #include <rpc/rpc_com.h>
40 #include <string.h> /* strcmp */
43 #include <sysent.h> /* getdtablesize, open */
44 #endif /* __cplusplus */
46 #include <sys/socket.h>
47 #include <netinet/in.h>
53 #include "ypupdated_extern.h"
54 #include "yp_extern.h"
57 #define SIG_PF void(*)(int)
64 #define _RPCSVC_CLOSEDOWN 120
65 int _rpcpmstart
; /* Started by a port monitor ? */
66 static int _rpcfdtype
;
67 /* Whether Stream or Datagram ? */
68 /* States a server can be in wrt request */
74 extern int _rpcsvcstate
; /* Set when a request is serviced */
76 char *progname
= "rpc.ypupdated";
77 const char *yp_dir
= "/var/yp/";
84 syslog(LOG_ERR
, "%s", msg
);
88 syslog(LOG_ERR
, "%s", msg
);
95 if (_rpcsvcstate
== _IDLE
) {
96 extern fd_set svc_fdset
;
100 if (_rpcfdtype
== SOCK_DGRAM
)
103 size
= getdtablesize();
105 for (i
= 0, openfd
= 0; i
< size
&& openfd
< 2; i
++)
106 if (FD_ISSET(i
, &svc_fdset
))
111 if (_rpcsvcstate
== _SERVED
)
112 _rpcsvcstate
= _IDLE
;
114 signal(SIGALRM
, (SIG_PF
) closedown
);
115 alarm(_RPCSVC_CLOSEDOWN
/2);
119 ypupdated_svc_run(void)
125 #endif /* def FD_SETSIZE */
128 int fd_setsize
= _rpc_dtablesize();
130 /* Establish the identity of the parent ypupdated process. */
138 #endif /* def FD_SETSIZE */
139 switch (select(fd_setsize
, &readfds
, NULL
, NULL
, NULL
)) {
141 if (errno
== EINTR
) {
144 warn("svc_run: - select failed");
149 svc_getreqset(&readfds
);
150 if (forked
&& pid
!= getpid())
168 if (sig
== SIGCHLD
) {
169 while (wait3(&status
, WNOHANG
, NULL
) > 0)
172 pmap_unset(YPU_PROG
, YPU_VERS
);
180 fprintf(stderr
, "rpc.ypupdatedd [-p path]\n");
185 main(int argc
, char *argv
[])
187 SVCXPRT
*transp
= NULL
;
190 struct sockaddr_in saddr
;
191 int asize
= sizeof (saddr
);
194 while ((ch
= getopt(argc
, argv
, "p:h")) != -1) {
208 if (svc_auth_reg(AUTH_DES
, _svcauth_des
) == -1) {
209 yp_error("failed to register AUTH_DES flavor");
213 if (getsockname(0, (struct sockaddr
*)&saddr
, &asize
) == 0) {
214 int ssize
= sizeof (int);
216 if (saddr
.sin_family
!= AF_INET
)
218 if (getsockopt(0, SOL_SOCKET
, SO_TYPE
,
219 (char *)&_rpcfdtype
, &ssize
) == -1)
224 openlog("rpc.ypupdatedd", LOG_PID
, LOG_DAEMON
);
228 err(1, "cannot fork");
230 openlog("rpc.ypupdated", LOG_PID
, LOG_DAEMON
);
233 pmap_unset(YPU_PROG
, YPU_VERS
);
236 if ((_rpcfdtype
== 0) || (_rpcfdtype
== SOCK_DGRAM
)) {
237 transp
= svcudp_create(sock
);
238 if (transp
== NULL
) {
239 _msgout("cannot create udp service.");
244 if (!svc_register(transp
, YPU_PROG
, YPU_VERS
, ypu_prog_1
, proto
)) {
245 _msgout("unable to register (YPU_PROG, YPU_VERS, udp).");
250 if ((_rpcfdtype
== 0) || (_rpcfdtype
== SOCK_STREAM
)) {
251 transp
= svctcp_create(sock
, 0, 0);
252 if (transp
== NULL
) {
253 _msgout("cannot create tcp service.");
258 if (!svc_register(transp
, YPU_PROG
, YPU_VERS
, ypu_prog_1
, proto
)) {
259 _msgout("unable to register (YPU_PROG, YPU_VERS, tcp).");
264 if (transp
== NULL
) {
265 _msgout("could not create a handle");
269 signal(SIGALRM
, (SIG_PF
) closedown
);
270 alarm(_RPCSVC_CLOSEDOWN
/2);
273 signal(SIGPIPE
, SIG_IGN
);
274 signal(SIGCHLD
, (SIG_PF
) reaper
);
275 signal(SIGTERM
, (SIG_PF
) reaper
);
276 signal(SIGINT
, (SIG_PF
) reaper
);
277 signal(SIGHUP
, (SIG_PF
) reaper
);
280 _msgout("svc_run returned");