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 1.12 2002/08/29 22:47:15 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 <errno.h> 43 #include <rpc/rpc.h> 44 #include <rpc/pmap_prot.h> 45 #include <rpc/pmap_clnt.h> 46 47 static struct timeval timeout = { 5, 0 }; 48 static struct timeval tottimeout = { 60, 0 }; 49 50 /* 51 * Set a mapping between program,version and port. 52 * Calls the pmap service remotely to do the mapping. 53 */ 54 bool_t 55 pmap_set(program, version, protocol, port) 56 u_long program; 57 u_long version; 58 u_int protocol; 59 u_short port; 60 { 61 struct sockaddr_in myaddress; 62 int sock = -1; 63 CLIENT *client; 64 struct pmap parms; 65 bool_t rslt; 66 67 if (get_myaddress(&myaddress) != 0) 68 return (FALSE); 69 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 70 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 71 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 72 if (client == (CLIENT *)NULL) 73 return (FALSE); 74 parms.pm_prog = program; 75 parms.pm_vers = version; 76 parms.pm_prot = protocol; 77 parms.pm_port = port; 78 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 79 tottimeout) != RPC_SUCCESS) { 80 int save_errno = errno; 81 82 clnt_perror(client, "Cannot register service"); 83 errno = save_errno; 84 return (FALSE); 85 } 86 CLNT_DESTROY(client); 87 if (sock != -1) 88 (void)close(sock); 89 return (rslt); 90 } 91 92 /* 93 * Remove the mapping between program,version and port. 94 * Calls the pmap service remotely to do the un-mapping. 95 */ 96 bool_t 97 pmap_unset(program, version) 98 u_long program; 99 u_long version; 100 { 101 struct sockaddr_in myaddress; 102 int sock = -1; 103 CLIENT *client; 104 struct pmap parms; 105 bool_t rslt; 106 107 if (get_myaddress(&myaddress) != 0) 108 return (FALSE); 109 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 110 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 111 timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 112 if (client == (CLIENT *)NULL) 113 return (FALSE); 114 parms.pm_prog = program; 115 parms.pm_vers = version; 116 parms.pm_port = parms.pm_prot = 0; 117 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 118 tottimeout); 119 CLNT_DESTROY(client); 120 if (sock != -1) 121 (void)close(sock); 122 return (rslt); 123 } 124