xref: /netbsd/usr.sbin/ypserv/yppush/yppush_svc.c (revision bf9ec67e)
1 /*	$NetBSD: yppush_svc.c,v 1.5 1997/11/18 07:01:52 lukem Exp $	*/
2 
3 /*
4  * Copyright (c) 1996 Mats O Jansson <moj@stacken.kth.se>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Mats O Jansson
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 #ifndef lint
36 __RCSID("$NetBSD: yppush_svc.c,v 1.5 1997/11/18 07:01:52 lukem Exp $");
37 #endif
38 
39 /*
40  * Originally from an rpcgen-generated file, then cleaned up
41  * by Jason R. Thorpe <thorpej@NetBSD.ORG>.
42  */
43 
44 #include <sys/types.h>
45 #include <sys/socket.h>
46 
47 #include <netinet/in.h>
48 
49 #include <err.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <netdb.h>
53 #include <signal.h>
54 #include <string.h>
55 #include <syslog.h>
56 
57 #include <rpc/rpc.h>
58 #include <rpc/xdr.h>
59 #include <rpcsvc/yp_prot.h>
60 
61 #include "yppush.h"
62 
63 #ifdef __STDC__
64 #define SIG_PF void(*)(int)
65 #endif
66 
67 #ifdef DEBUG
68 #define RPC_SVC_FG
69 #endif
70 
71 #define _RPCSVC_CLOSEDOWN 120
72 int _rpcpmstart;		/* Started by a port monitor ? */
73 int _rpcfdtype;			/* Whether Stream or Datagram ? */
74 int _rpcsvcdirty;		/* Still serving ? */
75 
76 static	void _msgout __P((char *));
77 
78 static
79 void _msgout(msg)
80 	char *msg;
81 {
82 #ifdef RPC_SVC_FG
83 	if (_rpcpmstart)
84 		syslog(LOG_ERR, "%s", msg);
85 	else
86 		warnx("%s", msg);
87 #else
88 	syslog(LOG_ERR, "%s", msg);
89 #endif
90 }
91 
92 void
93 yppush_xfrrespprog_1(rqstp, transp)
94 	struct svc_req *rqstp;
95 	SVCXPRT *transp;
96 {
97 	union {
98 		struct yppushresp_xfr yppushproc_xfrresp_1_arg;
99 	} argument;
100 	void *result;
101 	xdrproc_t xdr_argument, xdr_result;
102 	void *(*local) __P((void *, struct svc_req *));
103 
104 	_rpcsvcdirty = 1;
105 	switch (rqstp->rq_proc) {
106 	case YPPUSHPROC_NULL:
107 		xdr_argument = xdr_void;
108 		xdr_result = xdr_void;
109 		local = yppushproc_null_1_svc;
110 		break;
111 
112 	case YPPUSHPROC_XFRRESP:
113 		xdr_argument = xdr_yppushresp_xfr;
114 		xdr_result = xdr_void;
115 		local = yppushproc_xfrresp_1_svc;
116 		break;
117 
118 	default:
119 		svcerr_noproc(transp);
120 		_rpcsvcdirty = 0;
121 		exit(1);
122 		return;
123 	}
124 
125 	(void) memset((char *)&argument, 0, sizeof (argument));
126 	if (!svc_getargs(transp, xdr_argument, (caddr_t) &argument)) {
127 		svcerr_decode(transp);
128 		_rpcsvcdirty = 0;
129 		exit(1);
130 		return;
131 	}
132 
133 	result = (*local)(&argument, rqstp);
134 	if (result != NULL && !svc_sendreply(transp, xdr_result, result))
135 		svcerr_systemerr(transp);
136 
137 	if (!svc_freeargs(transp, xdr_argument, (caddr_t) &argument)) {
138 		_msgout("unable to free arguments");
139 		exit(1);
140 	}
141 	_rpcsvcdirty = 0;
142 	if (rqstp->rq_proc != YPPUSHPROC_NULL)
143 		exit(0);
144 	return;
145 }
146