1 /* $OpenBSD: pmap_clnt.c,v 1.15 2005/08/08 08:05:35 espie Exp $ */ 2 /* 3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 4 * unrestricted use provided that this legend is included on all tape 5 * media and as a part of the software program in whole or part. Users 6 * may copy or modify Sun RPC without charge, but are not authorized 7 * to license or distribute it to anyone else except as part of a product or 8 * program developed by the user. 9 * 10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 13 * 14 * Sun RPC is provided with no support and without any obligation on the 15 * part of Sun Microsystems, Inc. to assist in its use, correction, 16 * modification or enhancement. 17 * 18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 20 * OR ANY PART THEREOF. 21 * 22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 23 * or profits or other special, indirect and consequential damages, even if 24 * Sun has been advised of the possibility of such damages. 25 * 26 * Sun Microsystems, Inc. 27 * 2550 Garcia Avenue 28 * Mountain View, California 94043 29 */ 30 31 /* 32 * pmap_clnt.c 33 * Client interface to pmap rpc service. 34 * 35 * Copyright (C) 1984, Sun Microsystems, Inc. 36 */ 37 38 #include <unistd.h> 39 #include <errno.h> 40 #include <rpc/rpc.h> 41 #include <rpc/pmap_prot.h> 42 #include <rpc/pmap_clnt.h> 43 44 static struct timeval timeout = { 5, 0 }; 45 static struct timeval tottimeout = { 60, 0 }; 46 47 /* 48 * Set a mapping between program,version and port. 49 * Calls the pmap service remotely to do the mapping. 50 */ 51 bool_t 52 pmap_set(u_long program, u_long version, u_int protocol, int iport) 53 { 54 struct sockaddr_in myaddress; 55 int sock = -1; 56 CLIENT *client; 57 struct pmap parms; 58 bool_t rslt; 59 u_short port = iport; 60 61 if (get_myaddress(&myaddress) != 0) 62 return (FALSE); 63 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 64 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 65 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 66 if (client == NULL) 67 return (FALSE); 68 parms.pm_prog = program; 69 parms.pm_vers = version; 70 parms.pm_prot = protocol; 71 parms.pm_port = port; 72 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 73 tottimeout) != RPC_SUCCESS) { 74 int save_errno = errno; 75 76 clnt_perror(client, "Cannot register service"); 77 errno = save_errno; 78 return (FALSE); 79 } 80 CLNT_DESTROY(client); 81 if (sock != -1) 82 (void)close(sock); 83 return (rslt); 84 } 85 86 /* 87 * Remove the mapping between program,version and port. 88 * Calls the pmap service remotely to do the un-mapping. 89 */ 90 bool_t 91 pmap_unset(u_long program, u_long version) 92 { 93 struct sockaddr_in myaddress; 94 int sock = -1; 95 CLIENT *client; 96 struct pmap parms; 97 bool_t rslt; 98 99 if (get_myaddress(&myaddress) != 0) 100 return (FALSE); 101 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 102 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 103 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 104 if (client == NULL) 105 return (FALSE); 106 parms.pm_prog = program; 107 parms.pm_vers = version; 108 parms.pm_port = parms.pm_prot = 0; 109 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 110 tottimeout); 111 CLNT_DESTROY(client); 112 if (sock != -1) 113 (void)close(sock); 114 return (rslt); 115 } 116