1 /* 2 * Copyright (c) 2009, Sun Microsystems, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * - Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * - Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * - Neither the name of Sun Microsystems, Inc. nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* 30 * pmap_rmt.c 31 * Client interface to pmap rpc service. 32 * remote call and broadcast service 33 * 34 * Copyright (C) 1984, Sun Microsystems, Inc. 35 */ 36 37 #include <wintirpc.h> 38 #include <sys/types.h> 39 //#include <sys/ioctl.h> 40 //#include <sys/poll.h> 41 //#include <sys/socket.h> 42 43 //#include <net/if.h> 44 //#include <netinet/in.h> 45 //#include <arpa/inet.h> 46 47 #include <assert.h> 48 //#include <err.h> 49 #include <errno.h> 50 #include <stdio.h> 51 #include <string.h> 52 //#include <unistd.h> 53 54 #include <rpc/rpc.h> 55 #include <rpc/pmap_prot.h> 56 #include <rpc/pmap_clnt.h> 57 #include <rpc/pmap_rmt.h> 58 59 // For the clnttcp_create function 60 //#include <clnt_soc.h> 61 62 63 static const struct timeval timeout = { 3, 0 }; 64 65 /* 66 * pmapper remote-call-service interface. 67 * This routine is used to call the pmapper remote call service 68 * which will look up a service program in the port maps, and then 69 * remotely call that routine with the given parameters. This allows 70 * programs to do a lookup and call in one step. 71 */ 72 enum clnt_stat 73 pmap_rmtcall(addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout, 74 port_ptr) 75 struct sockaddr_in *addr; 76 u_long prog, vers, proc; 77 xdrproc_t xdrargs, xdrres; 78 caddr_t argsp, resp; 79 struct timeval tout; 80 u_long *port_ptr; 81 { 82 int sock = -1; 83 CLIENT *client; 84 struct rmtcallargs a; 85 struct rmtcallres r; 86 enum clnt_stat stat; 87 88 assert(addr != NULL); 89 assert(port_ptr != NULL); 90 91 addr->sin_port = htons(PMAPPORT); 92 client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock); 93 if (client != NULL) { 94 a.prog = prog; 95 a.vers = vers; 96 a.proc = proc; 97 a.args_ptr = argsp; 98 a.xdr_args = xdrargs; 99 r.port_ptr = port_ptr; 100 r.results_ptr = resp; 101 r.xdr_results = xdrres; 102 stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT, 103 (xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres, 104 &r, tout); 105 CLNT_DESTROY(client); 106 } else { 107 stat = RPC_FAILED; 108 } 109 addr->sin_port = 0; 110 return (stat); 111 } 112 113 114 /* 115 * XDR remote call arguments 116 * written for XDR_ENCODE direction only 117 */ 118 bool_t 119 xdr_rmtcall_args(xdrs, cap) 120 XDR *xdrs; 121 struct rmtcallargs *cap; 122 { 123 u_int lenposition, argposition, position; 124 125 assert(xdrs != NULL); 126 assert(cap != NULL); 127 128 if (xdr_u_long(xdrs, &(cap->prog)) && 129 xdr_u_long(xdrs, &(cap->vers)) && 130 xdr_u_long(xdrs, &(cap->proc))) { 131 lenposition = XDR_GETPOS(xdrs); 132 if (! xdr_u_long(xdrs, &(cap->arglen))) 133 return (FALSE); 134 argposition = XDR_GETPOS(xdrs); 135 if (! (*(cap->xdr_args))(xdrs, cap->args_ptr)) 136 return (FALSE); 137 position = XDR_GETPOS(xdrs); 138 cap->arglen = (u_long)position - (u_long)argposition; 139 XDR_SETPOS(xdrs, lenposition); 140 if (! xdr_u_long(xdrs, &(cap->arglen))) 141 return (FALSE); 142 XDR_SETPOS(xdrs, position); 143 return (TRUE); 144 } 145 return (FALSE); 146 } 147 148 /* 149 * XDR remote call results 150 * written for XDR_DECODE direction only 151 */ 152 bool_t 153 xdr_rmtcallres(xdrs, crp) 154 XDR *xdrs; 155 struct rmtcallres *crp; 156 { 157 caddr_t port_ptr; 158 159 assert(xdrs != NULL); 160 assert(crp != NULL); 161 162 port_ptr = (caddr_t)(void *)crp->port_ptr; 163 if (xdr_reference(xdrs, &port_ptr, sizeof (u_long), 164 (xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) { 165 crp->port_ptr = (u_long *)(void *)port_ptr; 166 return ((*(crp->xdr_results))(xdrs, crp->results_ptr)); 167 } 168 return (FALSE); 169 } 170