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-rw-r--r--src/pmap_rmt.c168
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diff --git a/src/pmap_rmt.c b/src/pmap_rmt.c
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+/*
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of Sun Microsystems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * pmap_rmt.c
+ * Client interface to pmap rpc service.
+ * remote call and broadcast service
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <poll.h>
+#include <sys/socket.h>
+
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <assert.h>
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <rpc/pmap_clnt.h>
+#include <rpc/pmap_rmt.h>
+
+// For the clnttcp_create function
+//#include <clnt_soc.h>
+
+
+static const struct timeval timeout = { 3, 0 };
+
+/*
+ * pmapper remote-call-service interface.
+ * This routine is used to call the pmapper remote call service
+ * which will look up a service program in the port maps, and then
+ * remotely call that routine with the given parameters. This allows
+ * programs to do a lookup and call in one step.
+*/
+enum clnt_stat
+pmap_rmtcall(addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout,
+ port_ptr)
+ struct sockaddr_in *addr;
+ u_long prog, vers, proc;
+ xdrproc_t xdrargs, xdrres;
+ caddr_t argsp, resp;
+ struct timeval tout;
+ u_long *port_ptr;
+{
+ int sock = -1;
+ CLIENT *client;
+ struct rmtcallargs a;
+ struct rmtcallres r;
+ enum clnt_stat stat;
+
+ assert(addr != NULL);
+ assert(port_ptr != NULL);
+
+ addr->sin_port = htons(PMAPPORT);
+ client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock);
+ if (client != NULL) {
+ a.prog = prog;
+ a.vers = vers;
+ a.proc = proc;
+ a.args_ptr = argsp;
+ a.xdr_args = xdrargs;
+ r.port_ptr = port_ptr;
+ r.results_ptr = resp;
+ r.xdr_results = xdrres;
+ stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT,
+ (xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres,
+ &r, tout);
+ CLNT_DESTROY(client);
+ } else {
+ stat = RPC_FAILED;
+ }
+ addr->sin_port = 0;
+ return (stat);
+}
+
+
+/*
+ * XDR remote call arguments
+ * written for XDR_ENCODE direction only
+ */
+bool_t
+xdr_rmtcall_args(xdrs, cap)
+ XDR *xdrs;
+ struct rmtcallargs *cap;
+{
+ u_int lenposition, argposition, position;
+
+ assert(xdrs != NULL);
+ assert(cap != NULL);
+
+ if (xdr_u_long(xdrs, &(cap->prog)) &&
+ xdr_u_long(xdrs, &(cap->vers)) &&
+ xdr_u_long(xdrs, &(cap->proc))) {
+ lenposition = XDR_GETPOS(xdrs);
+ if (! xdr_u_long(xdrs, &(cap->arglen)))
+ return (FALSE);
+ argposition = XDR_GETPOS(xdrs);
+ if (! (*(cap->xdr_args))(xdrs, cap->args_ptr))
+ return (FALSE);
+ position = XDR_GETPOS(xdrs);
+ cap->arglen = (u_long)position - (u_long)argposition;
+ XDR_SETPOS(xdrs, lenposition);
+ if (! xdr_u_long(xdrs, &(cap->arglen)))
+ return (FALSE);
+ XDR_SETPOS(xdrs, position);
+ return (TRUE);
+ }
+ return (FALSE);
+}
+
+/*
+ * XDR remote call results
+ * written for XDR_DECODE direction only
+ */
+bool_t
+xdr_rmtcallres(xdrs, crp)
+ XDR *xdrs;
+ struct rmtcallres *crp;
+{
+ caddr_t port_ptr;
+
+ assert(xdrs != NULL);
+ assert(crp != NULL);
+
+ port_ptr = (caddr_t)(void *)crp->port_ptr;
+ if (xdr_reference(xdrs, &port_ptr, sizeof (u_long),
+ (xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) {
+ crp->port_ptr = (u_long *)(void *)port_ptr;
+ return ((*(crp->xdr_results))(xdrs, crp->results_ptr));
+ }
+ return (FALSE);
+}