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 = "$Id$"; 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 <unistd.h> 44 #include <rpc/rpc.h> 45 #include <rpc/pmap_prot.h> 46 #include <rpc/pmap_clnt.h> 47 #include <netinet/in.h> 48 49 static struct timeval timeout = { 5, 0 }; 50 static struct timeval tottimeout = { 60, 0 }; 51 52 void clnt_perror(); 53 54 55 /* 56 * Set a mapping between program,version and port. 57 * Calls the pmap service remotely to do the mapping. 58 */ 59 bool_t 60 pmap_set(program, version, protocol, port) 61 u_long program; 62 u_long version; 63 int protocol; 64 u_short port; 65 { 66 struct sockaddr_in myaddress; 67 int socket = -1; 68 register CLIENT *client; 69 struct pmap parms; 70 bool_t rslt; 71 72 if (get_myaddress(&myaddress) != 0) 73 return (FALSE); 74 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 75 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 76 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 77 if (client == (CLIENT *)NULL) 78 return (FALSE); 79 parms.pm_prog = program; 80 parms.pm_vers = version; 81 parms.pm_prot = protocol; 82 parms.pm_port = port; 83 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 84 tottimeout) != RPC_SUCCESS) { 85 clnt_perror(client, "Cannot register service"); 86 return (FALSE); 87 } 88 CLNT_DESTROY(client); 89 if (socket != -1) 90 (void)close(socket); 91 return (rslt); 92 } 93 94 /* 95 * Remove the mapping between program,version and port. 96 * Calls the pmap service remotely to do the un-mapping. 97 */ 98 bool_t 99 pmap_unset(program, version) 100 u_long program; 101 u_long version; 102 { 103 struct sockaddr_in myaddress; 104 int socket = -1; 105 register CLIENT *client; 106 struct pmap parms; 107 bool_t rslt; 108 109 if (get_myaddress(&myaddress) != 0) 110 return (FALSE); 111 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 112 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 113 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 114 if (client == (CLIENT *)NULL) 115 return (FALSE); 116 parms.pm_prog = program; 117 parms.pm_vers = version; 118 parms.pm_port = parms.pm_prot = 0; 119 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 120 tottimeout); 121 CLNT_DESTROY(client); 122 if (socket != -1) 123 (void)close(socket); 124 return (rslt); 125 } 126