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 1.3 2004/10/25 19:38:01 drhodus 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 <sys/types.h> 43 #include <sys/stat.h> 44 #include <unistd.h> 45 #include <rpc/rpc.h> 46 #include <rpc/pmap_prot.h> 47 #include <rpc/pmap_clnt.h> 48 #include <netinet/in.h> 49 50 static struct timeval timeout = { 5, 0 }; 51 static struct timeval tottimeout = { 60, 0 }; 52 53 void clnt_perror(); 54 55 #ifndef PORTMAPSOCK 56 #define PORTMAPSOCK "/var/run/portmapsock" 57 #endif 58 59 /* 60 * Set a mapping between program,version and port. 61 * Calls the pmap service remotely to do the mapping. 62 */ 63 bool_t 64 pmap_set(program, version, protocol, port) 65 u_long program; 66 u_long version; 67 int protocol; 68 u_short port; 69 { 70 struct sockaddr_in myaddress; 71 int socket = -1; 72 CLIENT *client; 73 struct pmap parms; 74 bool_t rslt; 75 struct stat st; 76 77 /* 78 * Temporary hack for backwards compatibility. Eventually 79 * this test will go away and we'll use only the "unix" transport. 80 */ 81 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 82 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 83 else { 84 if (get_myaddress(&myaddress) != 0) 85 return (FALSE); 86 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 87 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 88 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 89 } 90 91 if (client == (CLIENT *)NULL) 92 return (FALSE); 93 parms.pm_prog = program; 94 parms.pm_vers = version; 95 parms.pm_prot = protocol; 96 parms.pm_port = port; 97 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 98 tottimeout) != RPC_SUCCESS) { 99 clnt_perror(client, "Cannot register service"); 100 return (FALSE); 101 } 102 CLNT_DESTROY(client); 103 if (socket != -1) 104 (void)_close(socket); 105 return (rslt); 106 } 107 108 /* 109 * Remove the mapping between program,version and port. 110 * Calls the pmap service remotely to do the un-mapping. 111 */ 112 bool_t 113 pmap_unset(program, version) 114 u_long program; 115 u_long version; 116 { 117 struct sockaddr_in myaddress; 118 int socket = -1; 119 CLIENT *client; 120 struct pmap parms; 121 bool_t rslt; 122 struct stat st; 123 124 /* 125 * Temporary hack for backwards compatibility. Eventually 126 * this test will go away and we'll use only the "unix" transport. 127 */ 128 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 129 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 130 else { 131 if (get_myaddress(&myaddress) != 0) 132 return (FALSE); 133 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 134 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 135 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 136 } 137 if (client == (CLIENT *)NULL) 138 return (FALSE); 139 parms.pm_prog = program; 140 parms.pm_vers = version; 141 parms.pm_port = parms.pm_prot = 0; 142 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 143 tottimeout); 144 CLNT_DESTROY(client); 145 if (socket != -1) 146 (void)_close(socket); 147 return (rslt); 148 } 149