1 /* $OpenBSD: pmap_getmaps.c,v 1.13 2015/09/02 06:47:19 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2010, Oracle America, Inc. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials 15 * provided with the distribution. 16 * * Neither the name of the "Oracle America, Inc." nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * pmap_getmap.c 36 * Client interface to pmap rpc service. 37 * contains pmap_getmaps, which is only tcp service involved 38 */ 39 40 #include <rpc/rpc.h> 41 #include <rpc/pmap_prot.h> 42 #include <rpc/pmap_clnt.h> 43 #include <sys/socket.h> 44 #include <netdb.h> 45 #include <stdio.h> 46 #include <errno.h> 47 #include <unistd.h> 48 #include <net/if.h> 49 #include <sys/ioctl.h> 50 #define NAMELEN 255 51 #define MAX_BROADCAST_SIZE 1400 52 53 /* 54 * Get a copy of the current port maps. 55 * Calls the pmap service remotely to do get the maps. 56 */ 57 struct pmaplist * 58 pmap_getmaps(struct sockaddr_in *address) 59 { 60 struct pmaplist *head = NULL; 61 int sock = -1; 62 struct timeval minutetimeout; 63 CLIENT *client; 64 65 minutetimeout.tv_sec = 60; 66 minutetimeout.tv_usec = 0; 67 address->sin_port = htons(PMAPPORT); 68 client = clnttcp_create(address, PMAPPROG, 69 PMAPVERS, &sock, 50, 500); 70 if (client != NULL) { 71 if (CLNT_CALL(client, PMAPPROC_DUMP, xdr_void, NULL, xdr_pmaplist, 72 &head, minutetimeout) != RPC_SUCCESS) { 73 CLNT_DESTROY(client); 74 return (NULL); 75 } 76 CLNT_DESTROY(client); 77 } 78 address->sin_port = 0; 79 return (head); 80 } 81