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 1.10 2001/09/15 13:51:00 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 /* 50 * Set a mapping between program,version and port. 51 * Calls the pmap service remotely to do the mapping. 52 */ 53 bool_t 54 pmap_set(program, version, protocol, port) 55 u_long program; 56 u_long version; 57 u_int protocol; 58 u_short port; 59 { 60 struct sockaddr_in myaddress; 61 int sock = -1; 62 CLIENT *client; 63 struct pmap parms; 64 bool_t rslt; 65 66 if (get_myaddress(&myaddress) != 0) 67 return (FALSE); 68 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 69 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 70 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 71 if (client == (CLIENT *)NULL) 72 return (FALSE); 73 parms.pm_prog = program; 74 parms.pm_vers = version; 75 parms.pm_prot = protocol; 76 parms.pm_port = port; 77 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 78 tottimeout) != RPC_SUCCESS) { 79 clnt_perror(client, "Cannot register service"); 80 return (FALSE); 81 } 82 CLNT_DESTROY(client); 83 if (sock != -1) 84 (void)close(sock); 85 return (rslt); 86 } 87 88 /* 89 * Remove the mapping between program,version and port. 90 * Calls the pmap service remotely to do the un-mapping. 91 */ 92 bool_t 93 pmap_unset(program, version) 94 u_long program; 95 u_long version; 96 { 97 struct sockaddr_in myaddress; 98 int sock = -1; 99 CLIENT *client; 100 struct pmap parms; 101 bool_t rslt; 102 103 if (get_myaddress(&myaddress) != 0) 104 return (FALSE); 105 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 106 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 107 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 108 if (client == (CLIENT *)NULL) 109 return (FALSE); 110 parms.pm_prog = program; 111 parms.pm_vers = version; 112 parms.pm_port = parms.pm_prot = 0; 113 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 114 tottimeout); 115 CLNT_DESTROY(client); 116 if (sock != -1) 117 (void)close(sock); 118 return (rslt); 119 } 120