pmap_getport.c
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上传日期:2007-01-17
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文件大小:4k
- /* pmap_getport.c - client interface to pmap rpc service */
- /* Copyright 1984-1992 Wind River Systems, Inc. */
- #include "copyright_wrs.h"
- /*
- * Copyright (c) 1987 Wind River Systems, Inc.
- * Copyright (C) 1984, Sun Microsystems, Inc.
- *
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part. Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
- /*
- modification history
- --------------------
- 01j,11aug93,jmm Changed ioctl.h and socket.h to sys/ioctl.h and sys/socket.h
- 01i,26may92,rrr the tree shuffle
- -changed includes to have absolute path from h/
- 01h,04oct91,rrr passed through the ansification filter
- -changed includes to have absolute path from h/
- -changed copyright notice
- 01g,25oct90,dnw removed include of utime.h.
- 01f,26jun90,hjb removed sccsid[].
- 01e,10may90,dnw changed taskModuleList->rpccreateerr to rpccreateerr macro
- removed close() of socket which ALWAYS failed (see comment
- in code).
- 01d,19apr90,hjb de-linted.
- 01c,18mar90,jcf fixed header dependency.
- 01b,11nov87,jlf added wrs copyright, title, mod history, etc.
- 01a,01nov87,rdc first VxWorks version
- */
- #ifndef lint
- /* static char sccsid[] = "@(#)pmap_getport.c 1.1 86/02/03 Copyr 1984 Sun Micro"; */
- #endif
- /*
- * pmap_getport.c
- * Client interface to pmap rpc service.
- *
- */
- #include "rpc/rpctypes.h"
- #include "netinet/in.h"
- #include "rpc/xdr.h"
- #include "rpc/auth.h"
- #include "rpc/clnt.h"
- #include "rpc/rpc_msg.h"
- #include "rpc/pmap_prot.h"
- #include "rpc/pmap_clnt.h"
- #include "sys/socket.h"
- #include "vxWorks.h"
- #include "net/if.h"
- #include "sys/ioctl.h"
- #include "rpc/rpcGbl.h"
- #define NAMELEN 255
- static struct timeval timeout = { 5, 0 };
- static struct timeval tottimeout = { 60, 0 };
- /*
- * Find the mapped port for program,version.
- * Calls the pmap service remotely to do the lookup.
- * Returns 0 if no map exists.
- */
- u_short
- pmap_getport(address, program, version, protocol)
- struct sockaddr_in *address;
- u_long program;
- u_long version;
- u_long protocol;
- {
- u_short port = 0;
- int socket = -1;
- register CLIENT *client;
- struct pmap parms;
- address->sin_port = htons((u_short) PMAPPORT);
- client = clntudp_bufcreate(address, PMAPPROG,
- PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
- if (client != (CLIENT *)NULL) {
- parms.pm_prog = program;
- parms.pm_vers = version;
- parms.pm_prot = protocol;
- parms.pm_port = 0; /* not needed or used */
- if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms,
- xdr_u_short, &port, tottimeout) != RPC_SUCCESS){
- rpc_createerr.cf_stat = RPC_PMAPFAILURE;
- clnt_geterr(client, &rpc_createerr.cf_error);
- } else if (port == 0) {
- rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
- }
- CLNT_DESTROY(client);
- }
- /* XXX
- * the following close ALWAYS fails because either the
- * bufcreate failed, in which case no socket was opened,
- * or the bufcreate succeeded, in which case CLNT_DESTROY
- * was called, which closed the socket.
- */
- /* (void)close(socket); */
- address->sin_port = 0;
- return (port);
- }