1 /* $OpenBSD: yppush_svc.c,v 1.15 2015/11/17 18:21:48 tedu 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/types.h> 30 #include <sys/socket.h> 31 #include <netinet/in.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <netdb.h> 35 #include <string.h> 36 #include <syslog.h> 37 #include <rpcsvc/yp.h> 38 39 #include "yppush.h" 40 41 #ifdef DEBUG 42 #define RPC_SVC_FG 43 #endif 44 45 #define _RPCSVC_CLOSEDOWN 120 46 int _rpcpmstart; /* Started by a port monitor ? */ 47 int _rpcfdtype; /* Whether Stream or Datagram ? */ 48 int _rpcsvcdirty; /* Still serving ? */ 49 50 static 51 void _msgout(char *msg) 52 { 53 #ifdef RPC_SVC_FG 54 if (_rpcpmstart) 55 syslog(LOG_ERR, "%s", msg); 56 else 57 (void) fprintf(stderr, "%s\n", msg); 58 #else 59 syslog(LOG_ERR, "%s", msg); 60 #endif 61 } 62 63 void 64 yppush_xfrrespprog_1(struct svc_req *rqstp, SVCXPRT *transp) 65 { 66 union argument { 67 int fill; 68 } argument; 69 char *result; 70 xdrproc_t xdr_argument, xdr_result; 71 char *(*local)(union argument *, struct svc_req *); 72 73 _rpcsvcdirty = 1; 74 switch (rqstp->rq_proc) { 75 case YPPUSHPROC_NULL: 76 xdr_argument = xdr_void; 77 xdr_result = xdr_void; 78 local = (char *(*)(union argument *, struct svc_req *)) 79 yppushproc_null_1_svc; 80 break; 81 82 case YPPUSHPROC_XFRRESP: 83 xdr_argument = xdr_yppushresp_xfr; 84 xdr_result = xdr_void; 85 local = (char *(*)(union argument *, struct svc_req *)) 86 yppushproc_xfrresp_1_svc; 87 break; 88 89 default: 90 svcerr_noproc(transp); 91 _rpcsvcdirty = 0; 92 exit(1); 93 return; 94 } 95 (void) memset(&argument, 0, sizeof(argument)); 96 if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) { 97 svcerr_decode(transp); 98 _rpcsvcdirty = 0; 99 exit(1); 100 return; 101 } 102 result = (*local)(&argument, rqstp); 103 if (result != NULL && !svc_sendreply(transp, xdr_result, result)) { 104 svcerr_systemerr(transp); 105 } 106 if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument)) { 107 _msgout("unable to free arguments"); 108 exit(1); 109 } 110 _rpcsvcdirty = 0; 111 if (rqstp->rq_proc!=YPPUSHPROC_NULL) 112 exit(0); 113 } 114