xref: /netbsd/usr.sbin/ypserv/yppush/yppush_svc.c (revision c4a72b64)
1 /*	$NetBSD: yppush_svc.c,v 1.6 2002/07/06 00:46:12 wiz 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 1.6 2002/07/06 00:46:12 wiz 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 DEBUG
64 #define RPC_SVC_FG
65 #endif
66 
67 #define _RPCSVC_CLOSEDOWN 120
68 int _rpcpmstart;		/* Started by a port monitor ? */
69 int _rpcfdtype;			/* Whether Stream or Datagram ? */
70 int _rpcsvcdirty;		/* Still serving ? */
71 
72 static	void _msgout(char *);
73 
74 static
75 void _msgout(char *msg)
76 {
77 #ifdef RPC_SVC_FG
78 	if (_rpcpmstart)
79 		syslog(LOG_ERR, "%s", msg);
80 	else
81 		warnx("%s", msg);
82 #else
83 	syslog(LOG_ERR, "%s", msg);
84 #endif
85 }
86 
87 void
88 yppush_xfrrespprog_1(struct svc_req *rqstp, SVCXPRT *transp)
89 {
90 	union {
91 		struct yppushresp_xfr yppushproc_xfrresp_1_arg;
92 	} argument;
93 	void *result;
94 	xdrproc_t xdr_argument, xdr_result;
95 	void *(*local)(void *, struct svc_req *);
96 
97 	_rpcsvcdirty = 1;
98 	switch (rqstp->rq_proc) {
99 	case YPPUSHPROC_NULL:
100 		xdr_argument = xdr_void;
101 		xdr_result = xdr_void;
102 		local = yppushproc_null_1_svc;
103 		break;
104 
105 	case YPPUSHPROC_XFRRESP:
106 		xdr_argument = xdr_yppushresp_xfr;
107 		xdr_result = xdr_void;
108 		local = yppushproc_xfrresp_1_svc;
109 		break;
110 
111 	default:
112 		svcerr_noproc(transp);
113 		_rpcsvcdirty = 0;
114 		exit(1);
115 		return;
116 	}
117 
118 	(void) memset((char *)&argument, 0, sizeof (argument));
119 	if (!svc_getargs(transp, xdr_argument, (caddr_t) &argument)) {
120 		svcerr_decode(transp);
121 		_rpcsvcdirty = 0;
122 		exit(1);
123 		return;
124 	}
125 
126 	result = (*local)(&argument, rqstp);
127 	if (result != NULL && !svc_sendreply(transp, xdr_result, result))
128 		svcerr_systemerr(transp);
129 
130 	if (!svc_freeargs(transp, xdr_argument, (caddr_t) &argument)) {
131 		_msgout("unable to free arguments");
132 		exit(1);
133 	}
134 	_rpcsvcdirty = 0;
135 	if (rqstp->rq_proc != YPPUSHPROC_NULL)
136 		exit(0);
137 	return;
138 }
139