1 /* 2 * Copyright (c) 1990 Jan-Simon Pendry 3 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Jan-Simon Pendry at Imperial College, London. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)amq_svc.c 8.1 (Berkeley) 6/6/93 35 * $Id: amq_svc.c,v 1.7 2003/07/18 22:58:56 david Exp $ 36 * 37 */ 38 39 #include <sys/types.h> 40 #include <sys/socket.h> 41 #include <netinet/in.h> 42 #include <arpa/inet.h> 43 #include <syslog.h> 44 45 #include "am.h" 46 #include "amq.h" 47 extern bool_t xdr_amq_mount_info_qelem(); 48 49 void 50 amq_program_1(struct svc_req *rqstp, SVCXPRT *transp) 51 { 52 union { 53 amq_string amqproc_mnttree_1_arg; 54 amq_string amqproc_umnt_1_arg; 55 amq_setopt amqproc_setopt_1_arg; 56 amq_string amqproc_mount_1_arg; 57 } argument; 58 char *result; 59 bool_t (*xdr_argument)(), (*xdr_result)(); 60 char *(*local)(); 61 extern SVCXPRT *lamqp; 62 63 if (transp != lamqp) { 64 struct sockaddr_in *fromsin = svc_getcaller(transp); 65 66 syslog(LOG_WARNING, 67 "non-local amq attempt (might be from %s)", 68 inet_ntoa(fromsin->sin_addr)); 69 svcerr_noproc(transp); 70 return; 71 } 72 73 switch (rqstp->rq_proc) { 74 case AMQPROC_NULL: 75 xdr_argument = xdr_void; 76 xdr_result = xdr_void; 77 local = (char *(*)()) amqproc_null_1; 78 break; 79 80 case AMQPROC_MNTTREE: 81 xdr_argument = xdr_amq_string; 82 xdr_result = xdr_amq_mount_tree_p; 83 local = (char *(*)()) amqproc_mnttree_1; 84 break; 85 86 case AMQPROC_UMNT: 87 xdr_argument = xdr_amq_string; 88 xdr_result = xdr_void; 89 local = (char *(*)()) amqproc_umnt_1; 90 break; 91 92 case AMQPROC_STATS: 93 xdr_argument = xdr_void; 94 xdr_result = xdr_amq_mount_stats; 95 local = (char *(*)()) amqproc_stats_1; 96 break; 97 98 case AMQPROC_EXPORT: 99 xdr_argument = xdr_void; 100 xdr_result = xdr_amq_mount_tree_list; 101 local = (char *(*)()) amqproc_export_1; 102 break; 103 104 case AMQPROC_SETOPT: 105 xdr_argument = xdr_amq_setopt; 106 xdr_result = xdr_int; 107 local = (char *(*)()) amqproc_setopt_1; 108 break; 109 110 case AMQPROC_GETMNTFS: 111 xdr_argument = xdr_void; 112 xdr_result = xdr_amq_mount_info_qelem; 113 local = (char *(*)()) amqproc_getmntfs_1; 114 break; 115 116 case AMQPROC_MOUNT: 117 xdr_argument = xdr_amq_string; 118 xdr_result = xdr_int; 119 local = (char *(*)()) amqproc_mount_1; 120 break; 121 122 case AMQPROC_GETVERS: 123 xdr_argument = xdr_void; 124 xdr_result = xdr_amq_string; 125 local = (char *(*)()) amqproc_getvers_1; 126 break; 127 128 default: 129 svcerr_noproc(transp); 130 return; 131 } 132 bzero((char *)&argument, sizeof(argument)); 133 if (!svc_getargs(transp, xdr_argument, (char *)&argument)) { 134 svcerr_decode(transp); 135 return; 136 } 137 result = (*local)(&argument, rqstp); 138 if (result != NULL && !svc_sendreply(transp, xdr_result, result)) { 139 svcerr_systemerr(transp); 140 } 141 if (!svc_freeargs(transp, xdr_argument, (char *)&argument)) { 142 plog(XLOG_FATAL, "unable to free rpc arguments in amqprog_1"); 143 going_down(1); 144 } 145 } 146