1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 * 29 * @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro 30 * @(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC 31 * $FreeBSD: src/lib/libc/rpc/pmap_clnt.c,v 1.11 2000/01/27 23:06:39 jasone Exp $ 32 * $DragonFly: src/lib/libc/rpc/pmap_clnt.c,v 1.5 2005/11/13 12:27:04 swildner Exp $ 33 */ 34 35 /* 36 * pmap_clnt.c 37 * Client interface to pmap rpc service. 38 * 39 * Copyright (C) 1984, Sun Microsystems, Inc. 40 */ 41 42 #include "namespace.h" 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <unistd.h> 46 #include <rpc/rpc.h> 47 #include <rpc/pmap_prot.h> 48 #include <rpc/pmap_clnt.h> 49 #include <netinet/in.h> 50 #include "un-namespace.h" 51 52 static struct timeval timeout = { 5, 0 }; 53 static struct timeval tottimeout = { 60, 0 }; 54 55 void clnt_perror(); 56 57 #ifndef PORTMAPSOCK 58 #define PORTMAPSOCK "/var/run/portmapsock" 59 #endif 60 61 /* 62 * Set a mapping between program,version and port. 63 * Calls the pmap service remotely to do the mapping. 64 */ 65 bool_t 66 pmap_set(u_long program, u_long version, int protocol, u_short port) 67 { 68 struct sockaddr_in myaddress; 69 int socket = -1; 70 CLIENT *client; 71 struct pmap parms; 72 bool_t rslt; 73 struct stat st; 74 75 /* 76 * Temporary hack for backwards compatibility. Eventually 77 * this test will go away and we'll use only the "unix" transport. 78 */ 79 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 80 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 81 else { 82 if (get_myaddress(&myaddress) != 0) 83 return (FALSE); 84 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 85 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 86 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 87 } 88 89 if (client == (CLIENT *)NULL) 90 return (FALSE); 91 parms.pm_prog = program; 92 parms.pm_vers = version; 93 parms.pm_prot = protocol; 94 parms.pm_port = port; 95 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 96 tottimeout) != RPC_SUCCESS) { 97 clnt_perror(client, "Cannot register service"); 98 return (FALSE); 99 } 100 CLNT_DESTROY(client); 101 if (socket != -1) 102 _close(socket); 103 return (rslt); 104 } 105 106 /* 107 * Remove the mapping between program,version and port. 108 * Calls the pmap service remotely to do the un-mapping. 109 */ 110 bool_t 111 pmap_unset(u_long program, u_long version) 112 { 113 struct sockaddr_in myaddress; 114 int socket = -1; 115 CLIENT *client; 116 struct pmap parms; 117 bool_t rslt; 118 struct stat st; 119 120 /* 121 * Temporary hack for backwards compatibility. Eventually 122 * this test will go away and we'll use only the "unix" transport. 123 */ 124 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 125 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 126 else { 127 if (get_myaddress(&myaddress) != 0) 128 return (FALSE); 129 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 130 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 131 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 132 } 133 if (client == (CLIENT *)NULL) 134 return (FALSE); 135 parms.pm_prog = program; 136 parms.pm_vers = version; 137 parms.pm_port = parms.pm_prot = 0; 138 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 139 tottimeout); 140 CLNT_DESTROY(client); 141 if (socket != -1) 142 _close(socket); 143 return (rslt); 144 } 145