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Diffstat (limited to 'sunrpc/clnt_udp6.c')
-rw-r--r--sunrpc/clnt_udp6.c550
1 files changed, 0 insertions, 550 deletions
diff --git a/sunrpc/clnt_udp6.c b/sunrpc/clnt_udp6.c
deleted file mode 100644
index f38a8586a4..0000000000
--- a/sunrpc/clnt_udp6.c
+++ /dev/null
@@ -1,550 +0,0 @@
-/* @(#)clnt_udp.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 !defined(lint) && defined(SCCSIDS)
-static char sccsid[] = "@(#)clnt_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro";
-#endif
-
-/*
- * clnt_udp.c, Implements a UDP/IP based, client side RPC.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <rpc/rpc.h>
-#include <rpc/xdr.h>
-#include <rpc/clnt.h>
-#include <sys/poll.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <netdb.h>
-#include <errno.h>
-#include <rpc/pmap_clnt.h>
-#include <net/if.h>
-
-extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *);
-extern u_long _create_xid (void);
-
-/*
- * UDP bases client side rpc operations
- */
-static enum clnt_stat clntudp6_call (CLIENT *, u_long, xdrproc_t, caddr_t,
-				     xdrproc_t, caddr_t, struct timeval);
-static void clntudp6_abort (void);
-static void clntudp6_geterr (CLIENT *, struct rpc_err *);
-static bool_t clntudp6_freeres (CLIENT *, xdrproc_t, caddr_t);
-static bool_t clntudp6_control (CLIENT *, int, char *);
-static void clntudp6_destroy (CLIENT *);
-
-static struct clnt_ops udp6_ops =
-{
-  clntudp6_call,
-  clntudp6_abort,
-  clntudp6_geterr,
-  clntudp6_freeres,
-  clntudp6_destroy,
-  clntudp6_control
-};
-
-/*
- * Private data kept per client handle
- */
-struct cu_data
-  {
-    int cu_sock;
-    bool_t cu_closeit;
-    struct sockaddr_in cu_raddr;
-    int cu_rlen;
-    struct timeval cu_wait;
-    struct timeval cu_total;
-    struct rpc_err cu_error;
-    XDR cu_outxdrs;
-    u_int cu_xdrpos;
-    u_int cu_sendsz;
-    char *cu_outbuf;
-    u_int cu_recvsz;
-    char cu_inbuf[1];
-  };
-
-/*
- * Create a UDP based client handle.
- * If *sockp<0, *sockp is set to a newly created UPD socket.
- * If raddr->sin_port is 0 a binder on the remote machine
- * is consulted for the correct port number.
- * NB: It is the clients responsibility to close *sockp.
- * NB: The rpch->cl_auth is initialized to null authentication.
- *     Caller may wish to set this something more useful.
- *
- * wait is the amount of time used between retransmitting a call if
- * no response has been heard; retransmission occurs until the actual
- * rpc call times out.
- *
- * sendsz and recvsz are the maximum allowable packet sizes that can be
- * sent and received.
- */
-CLIENT *
-clntudp6_bufcreate (struct sockaddr_in6 *raddr, u_long program, u_long version,
-		    struct timeval wait, int *sockp, u_int sendsz,
-		    u_int recvsz)
-{
-  CLIENT *cl;
-  struct cu_data *cu = NULL;
-  struct rpc_msg call_msg;
-
-  cl = (CLIENT *) mem_alloc (sizeof (CLIENT));
-  if (cl == NULL)
-    {
-      (void) fprintf (stderr, _("clntudp_create: out of memory\n"));
-      rpc_createerr.cf_stat = RPC_SYSTEMERROR;
-      rpc_createerr.cf_error.re_errno = errno;
-      goto fooy;
-    }
-  sendsz = ((sendsz + 3) / 4) * 4;
-  recvsz = ((recvsz + 3) / 4) * 4;
-  cu = (struct cu_data *) mem_alloc (sizeof (*cu) + sendsz + recvsz);
-  if (cu == NULL)
-    {
-      (void) fprintf (stderr, _("clntudp_create: out of memory\n"));
-      rpc_createerr.cf_stat = RPC_SYSTEMERROR;
-      rpc_createerr.cf_error.re_errno = errno;
-      goto fooy;
-    }
-  cu->cu_outbuf = &cu->cu_inbuf[recvsz];
-
-  if (raddr->sin6_port == 0)
-    {
-      u_short port;
-      if ((port =
-	   pmap_getport (raddr, program, version, IPPROTO_UDP)) == 0)
-	{
-	  goto fooy;
-	}
-      raddr->sin6_port = htons (port);
-    }
-  cl->cl_ops = &udp6_ops;
-  cl->cl_private = (caddr_t) cu;
-  cu->cu_raddr = *raddr;
-  cu->cu_rlen = sizeof (cu->cu_raddr);
-  cu->cu_wait = wait;
-  cu->cu_total.tv_sec = -1;
-  cu->cu_total.tv_usec = -1;
-  cu->cu_sendsz = sendsz;
-  cu->cu_recvsz = recvsz;
-  call_msg.rm_xid = _create_xid ();
-  call_msg.rm_direction = CALL;
-  call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
-  call_msg.rm_call.cb_prog = program;
-  call_msg.rm_call.cb_vers = version;
-  xdrmem_create (&(cu->cu_outxdrs), cu->cu_outbuf,
-		 sendsz, XDR_ENCODE);
-  if (!xdr_callhdr (&(cu->cu_outxdrs), &call_msg))
-    {
-      goto fooy;
-    }
-  cu->cu_xdrpos = XDR_GETPOS (&(cu->cu_outxdrs));
-  if (*sockp < 0)
-    {
-      int dontblock = 1;
-
-      *sockp = __socket (AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
-      if (*sockp < 0)
-	{
-	  rpc_createerr.cf_stat = RPC_SYSTEMERROR;
-	  rpc_createerr.cf_error.re_errno = errno;
-	  goto fooy;
-	}
-      /* attempt to bind to prov port */
-      (void) bindresvport6 (*sockp, (struct sockaddr_in6 *) 0);
-      /* the sockets rpc controls are non-blocking */
-      (void) __ioctl (*sockp, FIONBIO, (char *) &dontblock);
-      cu->cu_closeit = TRUE;
-    }
-  else
-    {
-      cu->cu_closeit = FALSE;
-    }
-  cu->cu_sock = *sockp;
-  cl->cl_auth = authnone_create ();
-  return cl;
-fooy:
-  if (cu)
-    mem_free ((caddr_t) cu, sizeof (*cu) + sendsz + recvsz);
-  if (cl)
-    mem_free ((caddr_t) cl, sizeof (CLIENT));
-  return (CLIENT *) NULL;
-}
-
-CLIENT *
-clntudp6_create (raddr, program, version, wait, sockp)
-     struct sockaddr_in *raddr;
-     u_long program;
-     u_long version;
-     struct timeval wait;
-     int *sockp;
-{
-
-  return clntudp6_bufcreate (raddr, program, version, wait, sockp,
-			    UDPMSGSIZE, UDPMSGSIZE);
-}
-
-static int
-is_network_up (int sock)
-{
-  struct ifconf ifc;
-  char buf[UDPMSGSIZE];
-  struct ifreq ifreq, *ifr;
-  int n;
-
-  ifc.ifc_len = sizeof (buf);
-  ifc.ifc_buf = buf;
-  if (__ioctl(sock, SIOCGIFCONF, (char *) &ifc) == 0)
-    {
-      ifr = ifc.ifc_req;
-      for (n = ifc.ifc_len / sizeof (struct ifreq); n > 0; n--, ifr++)
-	{
-	  ifreq = *ifr;
-	  if (__ioctl (sock, SIOCGIFFLAGS, (char *) &ifreq) < 0)
-	    break;
-
-	  if ((ifreq.ifr_flags & IFF_UP)
-	      && ifr->ifr_addr.sa_family == AF_INET)
-	    return 1;
-	}
-    }
-  return 0;
-}
-
-static enum clnt_stat
-clntudp6_call (cl, proc, xargs, argsp, xresults, resultsp, utimeout)
-     CLIENT *cl;	/* client handle */
-     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 */
-     struct timeval utimeout;	/* seconds to wait before giving up */
-{
-  struct cu_data *cu = (struct cu_data *) cl->cl_private;
-  XDR *xdrs;
-  int outlen = 0;
-  int inlen;
-  socklen_t fromlen;
-  struct pollfd fd;
-  int milliseconds = (cu->cu_wait.tv_sec * 1000) +
-    (cu->cu_wait.tv_usec / 1000);
-  struct sockaddr_in from;
-  struct rpc_msg reply_msg;
-  XDR reply_xdrs;
-  struct timeval time_waited;
-  bool_t ok;
-  int nrefreshes = 2;		/* number of times to refresh cred */
-  struct timeval timeout;
-  int anyup;			/* any network interface up */
-
-  if (cu->cu_total.tv_usec == -1)
-    {
-      timeout = utimeout;	/* use supplied timeout */
-    }
-  else
-    {
-      timeout = cu->cu_total;	/* use default timeout */
-    }
-
-  time_waited.tv_sec = 0;
-  time_waited.tv_usec = 0;
-call_again:
-  xdrs = &(cu->cu_outxdrs);
-  if (xargs == NULL)
-    goto get_reply;
-  xdrs->x_op = XDR_ENCODE;
-  XDR_SETPOS (xdrs, cu->cu_xdrpos);
-  /*
-   * the transaction is the first thing in the out buffer
-   */
-  (*(u_short *) (cu->cu_outbuf))++;
-  if ((!XDR_PUTLONG (xdrs, (long *) &proc)) ||
-      (!AUTH_MARSHALL (cl->cl_auth, xdrs)) ||
-      (!(*xargs) (xdrs, argsp)))
-    return (cu->cu_error.re_status = RPC_CANTENCODEARGS);
-  outlen = (int) XDR_GETPOS (xdrs);
-
-send_again:
-  if (sendto (cu->cu_sock, cu->cu_outbuf, outlen, 0,
-	      (struct sockaddr *) &(cu->cu_raddr), cu->cu_rlen)
-      != outlen)
-    {
-      cu->cu_error.re_errno = errno;
-      return (cu->cu_error.re_status = RPC_CANTSEND);
-    }
-
-  /*
-   * Hack to provide rpc-based message passing
-   */
-  if (timeout.tv_sec == 0 && timeout.tv_usec == 0)
-    {
-      return (cu->cu_error.re_status = RPC_TIMEDOUT);
-    }
- get_reply:
-  /*
-   * sub-optimal code appears here because we have
-   * some clock time to spare while the packets are in flight.
-   * (We assume that this is actually only executed once.)
-   */
-  reply_msg.acpted_rply.ar_verf = _null_auth;
-  reply_msg.acpted_rply.ar_results.where = resultsp;
-  reply_msg.acpted_rply.ar_results.proc = xresults;
-  fd.fd = cu->cu_sock;
-  fd.events = POLLIN;
-  anyup = 0;
-  for (;;)
-    {
-      switch (__poll (&fd, 1, milliseconds))
-	{
-
-	case 0:
-	  if (anyup == 0)
-	    {
-	      anyup = is_network_up (cu->cu_sock);
-	      if (!anyup)
-		return (cu->cu_error.re_status = RPC_CANTRECV);
-	    }
-
-	  time_waited.tv_sec += cu->cu_wait.tv_sec;
-	  time_waited.tv_usec += cu->cu_wait.tv_usec;
-	  while (time_waited.tv_usec >= 1000000)
-	    {
-	      time_waited.tv_sec++;
-	      time_waited.tv_usec -= 1000000;
-	    }
-	  if ((time_waited.tv_sec < timeout.tv_sec) ||
-	      ((time_waited.tv_sec == timeout.tv_sec) &&
-	       (time_waited.tv_usec < timeout.tv_usec)))
-	    goto send_again;
-	  return (cu->cu_error.re_status = RPC_TIMEDOUT);
-
-	  /*
-	   * buggy in other cases because time_waited is not being
-	   * updated.
-	   */
-	case -1:
-	  if (errno == EINTR)
-	    continue;
-	  cu->cu_error.re_errno = errno;
-	  return (cu->cu_error.re_status = RPC_CANTRECV);
-	}
-      do
-	{
-	  fromlen = sizeof (struct sockaddr);
-	  inlen = recvfrom (cu->cu_sock, cu->cu_inbuf,
-			    (int) cu->cu_recvsz, 0,
-			    (struct sockaddr *) &from, &fromlen);
-	}
-      while (inlen < 0 && errno == EINTR);
-      if (inlen < 0)
-	{
-	  if (errno == EWOULDBLOCK)
-	    continue;
-	  cu->cu_error.re_errno = errno;
-	  return (cu->cu_error.re_status = RPC_CANTRECV);
-	}
-      if (inlen < 4)
-	continue;
-
-      /* see if reply transaction id matches sent id.
-        Don't do this if we only wait for a replay */
-      if (xargs != NULL
-	  && (*((u_int32_t *) (cu->cu_inbuf))
-	      != *((u_int32_t *) (cu->cu_outbuf))))
-	continue;
-      /* we now assume we have the proper reply */
-      break;
-    }
-
-  /*
-   * now decode and validate the response
-   */
-  xdrmem_create (&reply_xdrs, cu->cu_inbuf, (u_int) inlen, XDR_DECODE);
-  ok = xdr_replymsg (&reply_xdrs, &reply_msg);
-  /* XDR_DESTROY(&reply_xdrs);  save a few cycles on noop destroy */
-  if (ok)
-    {
-      _seterr_reply (&reply_msg, &(cu->cu_error));
-      if (cu->cu_error.re_status == RPC_SUCCESS)
-	{
-	  if (!AUTH_VALIDATE (cl->cl_auth,
-			      &reply_msg.acpted_rply.ar_verf))
-	    {
-	      cu->cu_error.re_status = RPC_AUTHERROR;
-	      cu->cu_error.re_why = AUTH_INVALIDRESP;
-	    }
-	  if (reply_msg.acpted_rply.ar_verf.oa_base != NULL)
-	    {
-	      xdrs->x_op = XDR_FREE;
-	      (void) xdr_opaque_auth (xdrs,
-				      &(reply_msg.acpted_rply.ar_verf));
-	    }
-	}			/* end successful completion */
-      else
-	{
-	  /* maybe our credentials need to be refreshed ... */
-	  if (nrefreshes > 0 && AUTH_REFRESH (cl->cl_auth))
-	    {
-	      nrefreshes--;
-	      goto call_again;
-	    }
-	}			/* end of unsuccessful completion */
-    }				/* end of valid reply message */
-  else
-    {
-      cu->cu_error.re_status = RPC_CANTDECODERES;
-    }
-  return cu->cu_error.re_status;
-}
-
-static void
-clntudp6_geterr (CLIENT *cl, struct rpc_err *errp)
-{
-  struct cu_data *cu = (struct cu_data *) cl->cl_private;
-
-  *errp = cu->cu_error;
-}
-
-
-static bool_t
-clntudp6_freeres (CLIENT *cl, xdrproc_t xdr_res, caddr_t res_ptr)
-{
-  struct cu_data *cu = (struct cu_data *) cl->cl_private;
-  XDR *xdrs = &(cu->cu_outxdrs);
-
-  xdrs->x_op = XDR_FREE;
-  return (*xdr_res) (xdrs, res_ptr);
-}
-
-static void
-clntudp6_abort (void)
-{
-}
-
-static bool_t
-clntudp6_control (CLIENT *cl, int request, char *info)
-{
-  struct cu_data *cu = (struct cu_data *) cl->cl_private;
-
-  switch (request)
-    {
-    case CLSET_FD_CLOSE:
-      cu->cu_closeit = TRUE;
-      break;
-    case CLSET_FD_NCLOSE:
-      cu->cu_closeit = FALSE;
-      break;
-    case CLSET_TIMEOUT:
-      cu->cu_total = *(struct timeval *) info;
-      break;
-    case CLGET_TIMEOUT:
-      *(struct timeval *) info = cu->cu_total;
-      break;
-    case CLSET_RETRY_TIMEOUT:
-      cu->cu_wait = *(struct timeval *) info;
-      break;
-    case CLGET_RETRY_TIMEOUT:
-      *(struct timeval *) info = cu->cu_wait;
-      break;
-    case CLGET_SERVER_ADDR:
-      *(struct sockaddr_in *) info = cu->cu_raddr;
-      break;
-    case CLGET_FD:
-      *(int *)info = cu->cu_sock;
-      break;
-    case CLGET_XID:
-      /*
-       * use the knowledge that xid is the
-       * first element in the call structure *.
-       * This will get the xid of the PREVIOUS call
-       */
-      *(u_long *)info = ntohl(*(u_long *)cu->cu_outbuf);
-      break;
-    case CLSET_XID:
-      /* This will set the xid of the NEXT call */
-      *(u_long *)cu->cu_outbuf =  htonl(*(u_long *)info - 1);
-      /* decrement by 1 as clntudp_call() increments once */
-    case CLGET_VERS:
-      /*
-       * This RELIES on the information that, in the call body,
-       * the version number field is the fifth field from the
-       * begining of the RPC header. MUST be changed if the
-       * call_struct is changed
-       */
-      *(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf +
-					  4 * BYTES_PER_XDR_UNIT));
-      break;
-    case CLSET_VERS:
-      *(u_long *)(cu->cu_outbuf + 4 * BYTES_PER_XDR_UNIT)
-	= htonl(*(u_long *)info);
-      break;
-    case CLGET_PROG:
-      /*
-       * This RELIES on the information that, in the call body,
-       * the program number field is the  field from the
-       * begining of the RPC header. MUST be changed if the
-       * call_struct is changed
-       */
-      *(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf +
-					  3 * BYTES_PER_XDR_UNIT));
-      break;
-    case CLSET_PROG:
-      *(u_long *)(cu->cu_outbuf + 3 * BYTES_PER_XDR_UNIT)
-	= htonl(*(u_long *)info);
-      break;
-    /* The following are only possible with TI-RPC */
-    case CLGET_SVC_ADDR:
-    case CLSET_SVC_ADDR:
-    case CLSET_PUSH_TIMOD:
-    case CLSET_POP_TIMOD:
-    default:
-      return FALSE;
-    }
-  return TRUE;
-}
-
-static void
-clntudp6_destroy (CLIENT *cl)
-{
-  struct cu_data *cu = (struct cu_data *) cl->cl_private;
-
-  if (cu->cu_closeit)
-    {
-      (void) __close (cu->cu_sock);
-    }
-  XDR_DESTROY (&(cu->cu_outxdrs));
-  mem_free ((caddr_t) cu, (sizeof (*cu) + cu->cu_sendsz + cu->cu_recvsz));
-  mem_free ((caddr_t) cl, sizeof (CLIENT));
-}