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 *sccsid = "from: @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";*/ 32 /*static char *sccsid = "from: @(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC";*/ 33 static char *rcsid = "$FreeBSD$"; 34 #endif 35 36 /* 37 * pmap_clnt.c 38 * Client interface to pmap rpc service. 39 * 40 * Copyright (C) 1984, Sun Microsystems, Inc. 41 */ 42 43 #include "namespace.h" 44 #include <sys/types.h> 45 #include <sys/stat.h> 46 #include <unistd.h> 47 #include <rpc/rpc.h> 48 #include <rpc/pmap_prot.h> 49 #include <rpc/pmap_clnt.h> 50 #include <netinet/in.h> 51 #include "un-namespace.h" 52 53 static struct timeval timeout = { 5, 0 }; 54 static struct timeval tottimeout = { 60, 0 }; 55 56 void clnt_perror(); 57 58 #ifndef PORTMAPSOCK 59 #define PORTMAPSOCK "/var/run/portmapsock" 60 #endif 61 62 /* 63 * Set a mapping between program,version and port. 64 * Calls the pmap service remotely to do the mapping. 65 */ 66 bool_t 67 pmap_set(program, version, protocol, port) 68 u_long program; 69 u_long version; 70 int protocol; 71 u_short port; 72 { 73 struct sockaddr_in myaddress; 74 int socket = -1; 75 register CLIENT *client; 76 struct pmap parms; 77 bool_t rslt; 78 struct stat st; 79 80 /* 81 * Temporary hack for backwards compatibility. Eventually 82 * this test will go away and we'll use only the "unix" transport. 83 */ 84 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 85 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 86 else { 87 if (get_myaddress(&myaddress) != 0) 88 return (FALSE); 89 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 90 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 91 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 92 } 93 94 if (client == (CLIENT *)NULL) 95 return (FALSE); 96 parms.pm_prog = program; 97 parms.pm_vers = version; 98 parms.pm_prot = protocol; 99 parms.pm_port = port; 100 if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, 101 tottimeout) != RPC_SUCCESS) { 102 clnt_perror(client, "Cannot register service"); 103 return (FALSE); 104 } 105 CLNT_DESTROY(client); 106 if (socket != -1) 107 (void)_close(socket); 108 return (rslt); 109 } 110 111 /* 112 * Remove the mapping between program,version and port. 113 * Calls the pmap service remotely to do the un-mapping. 114 */ 115 bool_t 116 pmap_unset(program, version) 117 u_long program; 118 u_long version; 119 { 120 struct sockaddr_in myaddress; 121 int socket = -1; 122 register CLIENT *client; 123 struct pmap parms; 124 bool_t rslt; 125 struct stat st; 126 127 /* 128 * Temporary hack for backwards compatibility. Eventually 129 * this test will go away and we'll use only the "unix" transport. 130 */ 131 if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) 132 client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); 133 else { 134 if (get_myaddress(&myaddress) != 0) 135 return (FALSE); 136 myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 137 client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, 138 timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 139 } 140 if (client == (CLIENT *)NULL) 141 return (FALSE); 142 parms.pm_prog = program; 143 parms.pm_vers = version; 144 parms.pm_port = parms.pm_prot = 0; 145 CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, 146 tottimeout); 147 CLNT_DESTROY(client); 148 if (socket != -1) 149 (void)_close(socket); 150 return (rslt); 151 } 152