aboutsummaryrefslogtreecommitdiff
path: root/sunrpc/pmap_rmt.c
diff options
context:
space:
mode:
Diffstat (limited to 'sunrpc/pmap_rmt.c')
-rw-r--r--sunrpc/pmap_rmt.c393
1 files changed, 0 insertions, 393 deletions
diff --git a/sunrpc/pmap_rmt.c b/sunrpc/pmap_rmt.c
deleted file mode 100644
index c036d889ef..0000000000
--- a/sunrpc/pmap_rmt.c
+++ /dev/null
@@ -1,393 +0,0 @@
-/*
- * pmap_rmt.c
- * Client interface to pmap rpc service.
- * remote call and broadcast service
- *
- * Copyright (c) 2010, Oracle America, Inc.
- *
- * 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 the "Oracle America, 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.
- */
-
-#include <unistd.h>
-#include <string.h>
-#include <libintl.h>
-#include <rpc/rpc.h>
-#include <rpc/pmap_prot.h>
-#include <rpc/pmap_clnt.h>
-#include <rpc/pmap_rmt.h>
-#include <sys/poll.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <errno.h>
-#include <sys/param.h>
-#include <net/if.h>
-#include <ifaddrs.h>
-#include <sys/ioctl.h>
-#include <arpa/inet.h>
-#include <shlib-compat.h>
-
-#define MAX_BROADCAST_SIZE 1400
-
-extern u_long _create_xid (void);
-
-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 (struct sockaddr_in *addr, u_long prog, u_long vers, u_long proc,
- xdrproc_t xdrargs, caddr_t argsp, xdrproc_t xdrres, caddr_t resp,
- struct timeval tout, u_long *port_ptr)
-{
- int socket = -1;
- CLIENT *client;
- struct rmtcallargs a;
- struct rmtcallres r;
- enum clnt_stat stat;
-
- addr->sin_port = htons (PMAPPORT);
- client = clntudp_create (addr, PMAPPROG, PMAPVERS, timeout, &socket);
- if (client != (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, PMAPPROC_CALLIT,
- (xdrproc_t)xdr_rmtcall_args,
- (caddr_t)&a, (xdrproc_t)xdr_rmtcallres,
- (caddr_t)&r, tout);
- CLNT_DESTROY (client);
- }
- else
- {
- stat = RPC_FAILED;
- }
- /* (void)__close(socket); CLNT_DESTROY already closed it */
- addr->sin_port = 0;
- return stat;
-}
-libc_hidden_nolink_sunrpc (pmap_rmtcall, GLIBC_2_0)
-
-
-/*
- * XDR remote call arguments
- * written for XDR_ENCODE direction only
- */
-bool_t
-xdr_rmtcall_args (XDR *xdrs, struct rmtcallargs *cap)
-{
- u_int lenposition, argposition, position;
-
- if (xdr_u_long (xdrs, &(cap->prog)) &&
- xdr_u_long (xdrs, &(cap->vers)) &&
- xdr_u_long (xdrs, &(cap->proc)))
- {
- u_long dummy_arglen = 0;
- lenposition = XDR_GETPOS (xdrs);
- if (!xdr_u_long (xdrs, &dummy_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;
-}
-libc_hidden_nolink_sunrpc (xdr_rmtcall_args, GLIBC_2_0)
-
-/*
- * XDR remote call results
- * written for XDR_DECODE direction only
- */
-bool_t
-xdr_rmtcallres (XDR *xdrs, struct rmtcallres *crp)
-{
- caddr_t port_ptr;
-
- port_ptr = (caddr_t) 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 *) port_ptr;
- return (*(crp->xdr_results)) (xdrs, crp->results_ptr);
- }
- return FALSE;
-}
-libc_hidden_nolink_sunrpc (xdr_rmtcallres, GLIBC_2_0)
-
-
-/*
- * The following is kludged-up support for simple rpc broadcasts.
- * Someday a large, complicated system will replace these trivial
- * routines which only support udp/ip .
- */
-
-static int
-internal_function
-getbroadcastnets (struct in_addr *addrs, int naddrs)
-{
- struct ifaddrs *ifa;
-
- if (getifaddrs (&ifa) != 0)
- {
- perror ("broadcast: getifaddrs");
- return 0;
- }
-
- int i = 0;
- struct ifaddrs *run = ifa;
- while (run != NULL && i < naddrs)
- {
- if ((run->ifa_flags & IFF_BROADCAST) != 0
- && (run->ifa_flags & IFF_UP) != 0
- && run->ifa_addr != NULL
- && run->ifa_addr->sa_family == AF_INET)
- /* Copy the broadcast address. */
- addrs[i++] = ((struct sockaddr_in *) run->ifa_broadaddr)->sin_addr;
-
- run = run->ifa_next;
- }
-
- freeifaddrs (ifa);
-
- return i;
-}
-
-
-enum clnt_stat
-clnt_broadcast (/* program number */
- u_long prog,
- /* version number */
- u_long vers,
- /* procedure number */
- u_long proc,
- /* xdr routine for args */
- xdrproc_t xargs,
- /* pointer to args */
- caddr_t argsp,
- /* xdr routine for results */
- xdrproc_t xresults,
- /* pointer to results */
- caddr_t resultsp,
- /* call with each result obtained */
- resultproc_t eachresult)
-{
- enum clnt_stat stat = RPC_FAILED;
- AUTH *unix_auth = authunix_create_default ();
- XDR xdr_stream;
- XDR *xdrs = &xdr_stream;
- struct timeval t;
- int outlen, inlen, nets;
- socklen_t fromlen;
- int sock;
- int on = 1;
- struct pollfd fd;
- int milliseconds;
- int i;
- bool_t done = FALSE;
- u_long xid;
- u_long port;
- struct in_addr addrs[20];
- struct sockaddr_in baddr, raddr; /* broadcast and response addresses */
- struct rmtcallargs a;
- struct rmtcallres r;
- struct rpc_msg msg;
- char outbuf[MAX_BROADCAST_SIZE], inbuf[UDPMSGSIZE];
-
- /*
- * initialization: create a socket, a broadcast address, and
- * preserialize the arguments into a send buffer.
- */
- if ((sock = __socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
- {
- perror (_("Cannot create socket for broadcast rpc"));
- stat = RPC_CANTSEND;
- goto done_broad;
- }
-#ifdef SO_BROADCAST
- if (__setsockopt (sock, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0)
- {
- perror (_("Cannot set socket option SO_BROADCAST"));
- stat = RPC_CANTSEND;
- goto done_broad;
- }
-#endif /* def SO_BROADCAST */
- fd.fd = sock;
- fd.events = POLLIN;
- nets = getbroadcastnets (addrs, sizeof (addrs) / sizeof (addrs[0]));
- __bzero ((char *) &baddr, sizeof (baddr));
- baddr.sin_family = AF_INET;
- baddr.sin_port = htons (PMAPPORT);
- baddr.sin_addr.s_addr = htonl (INADDR_ANY);
-/* baddr.sin_addr.S_un.S_addr = htonl(INADDR_ANY); */
- msg.rm_xid = xid = _create_xid ();
- t.tv_usec = 0;
- msg.rm_direction = CALL;
- msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
- msg.rm_call.cb_prog = PMAPPROG;
- msg.rm_call.cb_vers = PMAPVERS;
- msg.rm_call.cb_proc = PMAPPROC_CALLIT;
- msg.rm_call.cb_cred = unix_auth->ah_cred;
- msg.rm_call.cb_verf = unix_auth->ah_verf;
- a.prog = prog;
- a.vers = vers;
- a.proc = proc;
- a.xdr_args = xargs;
- a.args_ptr = argsp;
- r.port_ptr = &port;
- r.xdr_results = xresults;
- r.results_ptr = resultsp;
- xdrmem_create (xdrs, outbuf, MAX_BROADCAST_SIZE, XDR_ENCODE);
- if ((!xdr_callmsg (xdrs, &msg))
- || (!xdr_rmtcall_args (xdrs, &a)))
- {
- stat = RPC_CANTENCODEARGS;
- goto done_broad;
- }
- outlen = (int) xdr_getpos (xdrs);
- xdr_destroy (xdrs);
- /*
- * Basic loop: broadcast a packet and wait a while for response(s).
- * The response timeout grows larger per iteration.
- */
- for (t.tv_sec = 4; t.tv_sec <= 14; t.tv_sec += 2)
- {
- for (i = 0; i < nets; i++)
- {
- baddr.sin_addr = addrs[i];
- if (__sendto (sock, outbuf, outlen, 0,
- (struct sockaddr *) &baddr,
- sizeof (struct sockaddr)) != outlen)
- {
- perror (_("Cannot send broadcast packet"));
- stat = RPC_CANTSEND;
- goto done_broad;
- }
- }
- if (eachresult == NULL)
- {
- stat = RPC_SUCCESS;
- goto done_broad;
- }
- recv_again:
- msg.acpted_rply.ar_verf = _null_auth;
- msg.acpted_rply.ar_results.where = (caddr_t) & r;
- msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_rmtcallres;
- milliseconds = t.tv_sec * 1000 + t.tv_usec / 1000;
- switch (__poll(&fd, 1, milliseconds))
- {
-
- case 0: /* timed out */
- stat = RPC_TIMEDOUT;
- continue;
-
- case -1: /* some kind of error */
- if (errno == EINTR)
- goto recv_again;
- perror (_("Broadcast poll problem"));
- stat = RPC_CANTRECV;
- goto done_broad;
-
- } /* end of poll results switch */
- try_again:
- fromlen = sizeof (struct sockaddr);
- inlen = __recvfrom (sock, inbuf, UDPMSGSIZE, 0,
- (struct sockaddr *) &raddr, &fromlen);
- if (inlen < 0)
- {
- if (errno == EINTR)
- goto try_again;
- perror (_("Cannot receive reply to broadcast"));
- stat = RPC_CANTRECV;
- goto done_broad;
- }
- if ((size_t) inlen < sizeof (u_long))
- goto recv_again;
- /*
- * see if reply transaction id matches sent id.
- * If so, decode the results.
- */
- xdrmem_create (xdrs, inbuf, (u_int) inlen, XDR_DECODE);
- if (xdr_replymsg (xdrs, &msg))
- {
- if (((u_int32_t) msg.rm_xid == (u_int32_t) xid) &&
- (msg.rm_reply.rp_stat == MSG_ACCEPTED) &&
- (msg.acpted_rply.ar_stat == SUCCESS))
- {
- raddr.sin_port = htons ((u_short) port);
- done = (*eachresult) (resultsp, &raddr);
- }
- /* otherwise, we just ignore the errors ... */
- }
- else
- {
-#ifdef notdef
- /* some kind of deserialization problem ... */
- if ((u_int32_t) msg.rm_xid == (u_int32_t) xid)
- fprintf (stderr, "Broadcast deserialization problem");
- /* otherwise, just random garbage */
-#endif
- }
- xdrs->x_op = XDR_FREE;
- msg.acpted_rply.ar_results.proc = (xdrproc_t)xdr_void;
- (void) xdr_replymsg (xdrs, &msg);
- (void) (*xresults) (xdrs, resultsp);
- xdr_destroy (xdrs);
- if (done)
- {
- stat = RPC_SUCCESS;
- goto done_broad;
- }
- else
- {
- goto recv_again;
- }
- }
-done_broad:
- (void) __close (sock);
- AUTH_DESTROY (unix_auth);
- return stat;
-}
-libc_hidden_nolink_sunrpc (clnt_broadcast, GLIBC_2_0)
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-07-04 16:16:38 +0000