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 *rcsid = "$OpenBSD: pmap_clnt.c,v 1.6 1996/08/20 21:15:40 deraadt Exp $"; 32 #endif /* LIBC_SCCS and not lint */ 33 34 /* 35 * pmap_clnt.c 36 * Client interface to pmap rpc service. 37 * 38 * Copyright (C) 1984, Sun Microsystems, Inc. 39 */ 40 41 #include <rpc/rpc.h> 42 #include <rpc/pmap_prot.h> 43 #include <rpc/pmap_clnt.h> 44 45 static struct timeval timeout = { 5, 0 }; 46 static struct timeval tottimeout = { 60, 0 }; 47 48 void clnt_perror(); 49 50 51 /* 52 * Set a mapping between program,version and port. 53 * Calls the pmap service remotely to do the mapping. 54 */ 55 bool_t 56 pmap_set(program, version, protocol, port) 57 u_long program; 58 u_long version; 59 int protocol; 60 u_short port; 61 { 62 struct sockaddr_in myaddress; 63 int socket = -1; 64 register CLIENT *client; 65 struct pmap parms; 66 bool_t rslt; 67 68 if (get_myaddress(&myaddress) != 0) 69 return (FALSE); 70 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 71 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 72 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 73 if (client == (CLIENT *)NULL) 74 return (FALSE); 75 parms.pm_prog = program; 76 parms.pm_vers = version; 77 parms.pm_prot = protocol; 78 parms.pm_port = port; 79 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 80 tottimeout) != RPC_SUCCESS) { 81 clnt_perror(client, "Cannot register service"); 82 return (FALSE); 83 } 84 CLNT_DESTROY(client); 85 if (socket != -1) 86 (void)close(socket); 87 return (rslt); 88 } 89 90 /* 91 * Remove the mapping between program,version and port. 92 * Calls the pmap service remotely to do the un-mapping. 93 */ 94 bool_t 95 pmap_unset(program, version) 96 u_long program; 97 u_long version; 98 { 99 struct sockaddr_in myaddress; 100 int socket = -1; 101 register CLIENT *client; 102 struct pmap parms; 103 bool_t rslt; 104 105 if (get_myaddress(&myaddress) != 0) 106 return (FALSE); 107 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 108 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 109 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 110 if (client == (CLIENT *)NULL) 111 return (FALSE); 112 parms.pm_prog = program; 113 parms.pm_vers = version; 114 parms.pm_port = parms.pm_prot = 0; 115 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 116 tottimeout); 117 CLNT_DESTROY(client); 118 if (socket != -1) 119 (void)close(socket); 120 return (rslt); 121 } 122