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 30 #if defined(LIBC_SCCS) && !defined(lint) 31 /*static char *sccsid = "from: @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";*/ 32 /*static char *sccsid = "from: @(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC";*/ 33 static char *rcsid = "$FreeBSD$"; 34 #endif 35 36 /* 37 * pmap_clnt.c 38 * Client interface to pmap rpc service. 39 * 40 * Copyright (C) 1984, Sun Microsystems, Inc. 41 */ 42 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 51 static struct timeval timeout = { 5, 0 }; 52 static struct timeval tottimeout = { 60, 0 }; 53 54 void clnt_perror(); 55 56 #ifndef PORTMAPSOCK 57 #define PORTMAPSOCK "/var/run/portmapsock" 58 #endif 59 60 /* 61 * Set a mapping between program,version and port. 62 * Calls the pmap service remotely to do the mapping. 63 */ 64 bool_t 65 pmap_set(program, version, protocol, port) 66 u_long program; 67 u_long version; 68 int protocol; 69 u_short port; 70 { 71 struct sockaddr_in myaddress; 72 int socket = -1; 73 register CLIENT *client; 74 struct pmap parms; 75 bool_t rslt; 76 struct stat st; 77 78 /* 79 * Temporary hack for backwards compatibility. Eventually 80 * this test will go away and we'll use only the "unix" transport. 81 */ 82 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 83 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 84 else { 85 if (get_myaddress(&myaddress) != 0) 86 return (FALSE); 87 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 88 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 89 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 90 } 91 92 if (client == (CLIENT *)NULL) 93 return (FALSE); 94 parms.pm_prog = program; 95 parms.pm_vers = version; 96 parms.pm_prot = protocol; 97 parms.pm_port = port; 98 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 99 tottimeout) != RPC_SUCCESS) { 100 clnt_perror(client, "Cannot register service"); 101 return (FALSE); 102 } 103 CLNT_DESTROY(client); 104 if (socket != -1) 105 (void)_close(socket); 106 return (rslt); 107 } 108 109 /* 110 * Remove the mapping between program,version and port. 111 * Calls the pmap service remotely to do the un-mapping. 112 */ 113 bool_t 114 pmap_unset(program, version) 115 u_long program; 116 u_long version; 117 { 118 struct sockaddr_in myaddress; 119 int socket = -1; 120 register CLIENT *client; 121 struct pmap parms; 122 bool_t rslt; 123 struct stat st; 124 125 /* 126 * Temporary hack for backwards compatibility. Eventually 127 * this test will go away and we'll use only the "unix" transport. 128 */ 129 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 130 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 131 else { 132 if (get_myaddress(&myaddress) != 0) 133 return (FALSE); 134 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 135 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 136 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 137 } 138 if (client == (CLIENT *)NULL) 139 return (FALSE); 140 parms.pm_prog = program; 141 parms.pm_vers = version; 142 parms.pm_port = parms.pm_prot = 0; 143 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 144 tottimeout); 145 CLNT_DESTROY(client); 146 if (socket != -1) 147 (void)_close(socket); 148 return (rslt); 149 } 150