summaryrefslogtreecommitdiff
path: root/libc/inet/rpc/pmap_rmt.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/inet/rpc/pmap_rmt.c')
-rw-r--r--libc/inet/rpc/pmap_rmt.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/libc/inet/rpc/pmap_rmt.c b/libc/inet/rpc/pmap_rmt.c
deleted file mode 100644
index df271fb04..000000000
--- a/libc/inet/rpc/pmap_rmt.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/* @(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC */
-/*
- * 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
- */
-#if 0
-static char sccsid[] = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro";
-#endif
-
-/*
- * pmap_rmt.c
- * Client interface to pmap rpc service.
- * remote call and broadcast service
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-
-#include <unistd.h>
-#include <string.h>
-#include "rpc_private.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> /* Ultrix needs before net/if --roland@gnu */
-#include <net/if.h>
-#include <sys/ioctl.h>
-#include <arpa/inet.h>
-#define MAX_BROADCAST_SIZE 1400
-
-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;
-}
-
-
-/*
- * 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_def(xdr_rmtcall_args)
-
-/*
- * 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_def(xdr_rmtcallres)
-
-
-/*
- * 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 sock, char *buf)
- /* int sock: any valid socket will do */
- /* char *buf: why allocate more when we can use existing... */
-{
- struct ifconf ifc;
- struct ifreq ifreq, *ifr;
- struct sockaddr_in *sin;
- int n, i;
-
- ifc.ifc_len = UDPMSGSIZE;
- ifc.ifc_buf = buf;
- if (ioctl (sock, SIOCGIFCONF, (char *) &ifc) < 0)
- {
- perror ("broadcast: ioctl (get interface configuration)");
- return (0);
- }
- ifr = ifc.ifc_req;
- for (i = 0, n = ifc.ifc_len / sizeof (struct ifreq); n > 0; n--, ifr++)
- {
- ifreq = *ifr;
- if (ioctl (sock, SIOCGIFFLAGS, (char *) &ifreq) < 0)
- {
- perror ("broadcast: ioctl (get interface flags)");
- continue;
- }
- if ((ifreq.ifr_flags & IFF_BROADCAST) &&
- (ifreq.ifr_flags & IFF_UP) &&
- ifr->ifr_addr.sa_family == AF_INET)
- {
- sin = (struct sockaddr_in *) &ifr->ifr_addr;
-#ifdef SIOCGIFBRDADDR /* 4.3BSD */
- if (ioctl (sock, SIOCGIFBRDADDR, (char *) &ifreq) < 0)
- {
- addrs[i++] = inet_makeaddr (inet_netof
- /* Changed to pass struct instead of s_addr member
- by roland@gnu. */
- (sin->sin_addr), INADDR_ANY);
- }
- else
- {
- addrs[i++] = ((struct sockaddr_in *)
- &ifreq.ifr_addr)->sin_addr;
- }
-#else /* 4.2 BSD */
- addrs[i++] = inet_makeaddr (inet_netof
- (sin->sin_addr.s_addr), INADDR_ANY);
-#endif
- }
- }
- return i;
-}
-
-
-enum clnt_stat
-clnt_broadcast (
- u_long prog, /* program number */
- u_long vers, /* version number */
- u_long proc, /* procedure number */
- xdrproc_t xargs, /* xdr routine for args */
- caddr_t argsp, /* pointer to args */
- xdrproc_t xresults, /* xdr routine for results */
- caddr_t resultsp, /* pointer to results */
- resultproc_t eachresult /* call with each result obtained */)
-{
- 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, sock, inbuf);
- memset ((char *) &baddr, 0, 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 16:37:44 +0000