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 1.9 1998/08/29 18:57:17 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 <unistd.h> 42 #include <rpc/rpc.h> 43 #include <rpc/pmap_prot.h> 44 #include <rpc/pmap_clnt.h> 45 46 static struct timeval timeout = { 5, 0 }; 47 static struct timeval tottimeout = { 60, 0 }; 48 49 void clnt_perror(); 50 51 52 /* 53 * Set a mapping between program,version and port. 54 * Calls the pmap service remotely to do the mapping. 55 */ 56 bool_t 57 pmap_set(program, version, protocol, port) 58 u_long program; 59 u_long version; 60 u_int protocol; 61 u_short port; 62 { 63 struct sockaddr_in myaddress; 64 int sock = -1; 65 register CLIENT *client; 66 struct pmap parms; 67 bool_t rslt; 68 69 if (get_myaddress(&myaddress) != 0) 70 return (FALSE); 71 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 72 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 73 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 74 if (client == (CLIENT *)NULL) 75 return (FALSE); 76 parms.pm_prog = program; 77 parms.pm_vers = version; 78 parms.pm_prot = protocol; 79 parms.pm_port = port; 80 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 81 tottimeout) != RPC_SUCCESS) { 82 clnt_perror(client, "Cannot register service"); 83 return (FALSE); 84 } 85 CLNT_DESTROY(client); 86 if (sock != -1) 87 (void)close(sock); 88 return (rslt); 89 } 90 91 /* 92 * Remove the mapping between program,version and port. 93 * Calls the pmap service remotely to do the un-mapping. 94 */ 95 bool_t 96 pmap_unset(program, version) 97 u_long program; 98 u_long version; 99 { 100 struct sockaddr_in myaddress; 101 int sock = -1; 102 register CLIENT *client; 103 struct pmap parms; 104 bool_t rslt; 105 106 if (get_myaddress(&myaddress) != 0) 107 return (FALSE); 108 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 109 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 110 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 111 if (client == (CLIENT *)NULL) 112 return (FALSE); 113 parms.pm_prog = program; 114 parms.pm_vers = version; 115 parms.pm_port = parms.pm_prot = 0; 116 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 117 tottimeout); 118 CLNT_DESTROY(client); 119 if (sock != -1) 120 (void)close(sock); 121 return (rslt); 122 } 123