1 files changed, 0 insertions, 582 deletions

diff --git a/cpukit/librpc/src/rpc/clnt_udp.c b/cpukit/librpc/src/rpc/clnt_udp.c
deleted file mode 100644
index 93befc25d0..0000000000
--- a/cpukit/librpc/src/rpc/clnt_udp.c
+++ /dev/null
@@ -1,582 +0,0 @@
-#include "rtems-rpc-config.h"
-
-/*
- * 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(LIBC_SCCS) && !defined(lint)
-/*static char *sccsid = "from: @(#)clnt_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro";*/
-/*static char *sccsid = "from: @(#)clnt_udp.c	2.2 88/08/01 4.0 RPCSRC";*/
-static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_udp.c,v 1.15 2000/01/27 23:06:36 jasone Exp $";
-#endif
-
-/*
- * clnt_udp.c, Implements a UDP/IP based, client side RPC.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <rpc/rpc.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <netdb.h>
-#include <errno.h>
-#include <rpc/pmap_clnt.h>
-#include <sys/select.h>
-
-/*
- * UDP bases client side rpc operations
- */
-static enum clnt_stat	clntudp_call(CLIENT *, rpcproc_t, xdrproc_t, void*, xdrproc_t, void*, struct timeval);
-static void		clntudp_abort(void);
-static void		clntudp_geterr(CLIENT *, struct rpc_err*);
-static bool_t		clntudp_freeres(CLIENT *, xdrproc_t, void*);
-static bool_t           clntudp_control(CLIENT *, int, char *);
-static void		clntudp_destroy(CLIENT *);
-
-static struct clnt_ops udp_ops = {
-	clntudp_call,
-	clntudp_abort,
-	clntudp_geterr,
-	clntudp_freeres,
-	clntudp_destroy,
-	clntudp_control
-};
-
-/*
- * Private data kept per client handle
- */
-struct cu_data {
-	int		   cu_sock;
-	bool_t			cu_closeit;	/* opened by library */
-	struct sockaddr_in cu_raddr;
-	int		   cu_rlen;
-	struct timeval		cu_wait;	/* retransmit interval */
-	struct timeval		cu_total;	/* total time for the call */
-	struct rpc_err	   cu_error;
-	XDR		   cu_outxdrs;
-	u_int		   cu_xdrpos;
-	u_int			cu_sendsz;	/* send size */
-	union {
-	  u_int32_t	   *pi32;
-	  char		   *c;
-	} _cu_outbuf;
-#define cu_outbuf _cu_outbuf.c
-	u_int			cu_recvsz;	/* recv size */
-	union {
-	  u_int32_t	i32;
-	  char		c[1];
-	} _cu_inbuf;
-#define cu_inbuf _cu_inbuf.c
-};
-
-/*
- * 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;  retransmition occurs until the actual
- * rpc call times out.
- *
- * sendsz and recvsz are the maximum allowable packet sizes that can be
- * sent and received.
- */
-CLIENT *
-clntudp_bufcreate(
-	struct sockaddr_in *raddr,
-	u_long program,		/* program number */
-	u_long version,		/* version number */
-	struct timeval wait,
-	int *sockp,
-	u_int sendsz,
-	u_int recvsz)
-{
-	CLIENT *cl = NULL;		/* client handle */
-	struct cu_data *cu = NULL;	/* private data */
-	struct timeval now;
-	struct rpc_msg call_msg;
-	static uintptr_t disrupt;
-
-	if (disrupt == 0)
-		disrupt = (uintptr_t)raddr;
-
-	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 = 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];
-
-	(void)gettimeofday(&now, (struct timezone *)0);
-	if (raddr->sin_port == 0) {
-		u_short port;
-		if ((port =
-		    pmap_getport(raddr, program, version, IPPROTO_UDP)) == 0) {
-			goto fooy;
-		}
-		raddr->sin_port = htons(port);
-	}
-	cl->cl_ops = &udp_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 = (++disrupt) ^ getpid() ^ now.tv_sec ^ now.tv_usec;
-	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_INET, 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 priv port */
-		(void)bindresvport(*sockp, (struct sockaddr_in *)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 *
-clntudp_create(
-	struct sockaddr_in *raddr,
-	u_long program,		/* program number */
-	u_long version,		/* version number */
-	struct timeval wait,
-	int *sockp)
-{
-
-	return(clntudp_bufcreate(raddr, program, version, wait, sockp,
-	    UDPMSGSIZE, UDPMSGSIZE));
-}
-
-static enum clnt_stat
-clntudp_call(
-	CLIENT	*cl,			/* client handle */
-	rpcproc_t	proc,		/* procedure number */
-	xdrproc_t	xargs,		/* xdr routine for args */
-	void		*argsp,		/* pointer to args */
-	xdrproc_t	xresults,	/* xdr routine for results */
-	void		*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;
-	size_t outlen = 0;
-	int inlen;
-	socklen_t fromlen;
-	fd_set *fds, readfds;
-	struct sockaddr_in from;
-	struct rpc_msg reply_msg;
-	XDR reply_xdrs;
-	struct timeval time_waited, start, after, tmp1, tmp2, tv;
-	bool_t ok;
-	int nrefreshes = 2;	/* number of times to refresh cred */
-	struct timeval timeout;
-
-	if (cu->cu_total.tv_usec == -1)
-		timeout = utimeout;     /* use supplied timeout */
-	else
-		timeout = cu->cu_total; /* use default timeout */
-
-	if (cu->cu_sock + 1 > FD_SETSIZE) {
-		int bytes = howmany(cu->cu_sock + 1, NFDBITS) * sizeof(fd_mask);
-		fds = (fd_set *)malloc(bytes);
-		if (fds == NULL)
-			return (cu->cu_error.re_status = RPC_CANTSEND);
-		memset(fds, 0, bytes);
-	} else {
-		fds = &readfds;
-		FD_ZERO(fds);
-	}
-
-	timerclear(&time_waited);
-
-call_again:
-	xdrs = &(cu->cu_outxdrs);
-	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))) {
-		if (fds != &readfds)
-			free(fds);
-		return (cu->cu_error.re_status = RPC_CANTENCODEARGS);
-	}
-	outlen = (size_t)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;
-		if (fds != &readfds)
-			free(fds);
-		return (cu->cu_error.re_status = RPC_CANTSEND);
-	}
-
-	/*
-	 * Hack to provide rpc-based message passing
-	 */
-	if (!timerisset(&timeout)) {
-		if (fds != &readfds)
-			free(fds);
-		return (cu->cu_error.re_status = RPC_TIMEDOUT);
-	}
-	/*
-	 * 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;
-
-	gettimeofday(&start, NULL);
-	for (;;) {
-		/* XXX we know the other bits are still clear */
-		FD_SET(cu->cu_sock, fds);
-		tv = cu->cu_wait;
-		switch (select(cu->cu_sock+1, fds, NULL, NULL, &tv)) {
-
-		case 0:
-			timeradd(&time_waited, &cu->cu_wait, &tmp1);
-			time_waited = tmp1;
-			if (timercmp(&time_waited, &timeout, <))
-				goto send_again;
-			if (fds != &readfds)
-				free(fds);
-			return (cu->cu_error.re_status = RPC_TIMEDOUT);
-
-		case -1:
-			if (errno == EINTR) {
-				gettimeofday(&after, NULL);
-				timersub(&after, &start, &tmp1);
-				timeradd(&time_waited, &tmp1, &tmp2);
-				time_waited = tmp2;
-				if (timercmp(&time_waited, &timeout, <))
-					continue;
-				if (fds != &readfds)
-					free(fds);
-				return (cu->cu_error.re_status = RPC_TIMEDOUT);
-			}
-			cu->cu_error.re_errno = errno;
-			if (fds != &readfds)
-				free(fds);
-			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;
-			if (fds != &readfds)
-				free(fds);
-			return (cu->cu_error.re_status = RPC_CANTRECV);
-		}
-		if (inlen < sizeof(u_int32_t))
-			continue;
-		/* see if reply transaction id matches sent id */
-		if ( cu->_cu_inbuf.i32 != *cu->_cu_outbuf.pi32 )
-			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 {
-		/*
-		 * It's possible for xdr_replymsg() to fail partway
-		 * through its attempt to decode the result from the
-		 * server. If this happens, it will leave the reply
-		 * structure partially populated with dynamically
-		 * allocated memory. (This can happen if someone uses
-		 * clntudp_bufcreate() to create a CLIENT handle and
-		 * specifies a receive buffer size that is too small.)
-		 * This memory must be free()ed to avoid a leak.
-		 */
-		int op = reply_xdrs.x_op;
-		reply_xdrs.x_op = XDR_FREE;
-		xdr_replymsg(&reply_xdrs, &reply_msg);
-		reply_xdrs.x_op = op;
-		cu->cu_error.re_status = RPC_CANTDECODERES;
-	}
-	if (fds != &readfds)
-		free(fds);
-	return (cu->cu_error.re_status);
-}
-
-static void
-clntudp_geterr(
-	CLIENT *cl,
-	struct rpc_err *errp)
-{
-	struct cu_data *cu = (struct cu_data *)cl->cl_private;
-
-	*errp = cu->cu_error;
-}
-
-
-static bool_t
-clntudp_freeres(
-	CLIENT *cl,
-	xdrproc_t xdr_res,
-	void *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
-clntudp_abort(void)
-{
-}
-
-
-static bool_t
-clntudp_control(
-	CLIENT *cl,
-	int request,
-	char *info)
-{
-	struct cu_data *cu = (struct cu_data *)cl->cl_private;
-	struct timeval *tv;
-	socklen_t len;
-
-	switch (request) {
-	case CLSET_FD_CLOSE:
-		cu->cu_closeit = TRUE;
-		break;
-	case CLSET_FD_NCLOSE:
-		cu->cu_closeit = FALSE;
-		break;
-	case CLSET_TIMEOUT:
-		if (info == NULL)
-			return(FALSE);
-		tv = (struct timeval *)info;
-		cu->cu_total.tv_sec = tv->tv_sec;
-		cu->cu_total.tv_usec = tv->tv_usec;
-		break;
-	case CLGET_TIMEOUT:
-		if (info == NULL)
-			return(FALSE);
-		*(struct timeval *)info = cu->cu_total;
-		break;
-	case CLSET_RETRY_TIMEOUT:
-		if (info == NULL)
-			return(FALSE);
-		tv = (struct timeval *)info;
-		cu->cu_wait.tv_sec = tv->tv_sec;
-		cu->cu_wait.tv_usec = tv->tv_usec;
-		break;
-	case CLGET_RETRY_TIMEOUT:
-		if (info == NULL)
-			return(FALSE);
-		*(struct timeval *)info = cu->cu_wait;
-		break;
-	case CLGET_SERVER_ADDR:
-		if (info == NULL)
-			return(FALSE);
-		*(struct sockaddr_in *)info = cu->cu_raddr;
-		break;
-	case CLGET_FD:
-		if (info == NULL)
-			return(FALSE);
-		*(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
-		 */
-		if (info == NULL)
-			return(FALSE);
-		*(u_long *)info = ntohl(*(u_long *)cu->cu_outbuf);
-		break;
-	case CLSET_XID:
-		/* This will set the xid of the NEXT call */
-		if (info == NULL)
-			return(FALSE);
-		*(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
-		 */
-		if (info == NULL)
-			return(FALSE);
-		*(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf +
-						4 * BYTES_PER_XDR_UNIT));
-		break;
-	case CLSET_VERS:
-		if (info == NULL)
-			return(FALSE);
-		*(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 fourth field from the
-		 * begining of the RPC header. MUST be changed if the
-		 * call_struct is changed
-		 */
-		if (info == NULL)
-			return(FALSE);
-		*(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf +
-						3 * BYTES_PER_XDR_UNIT));
-		break;
-	case CLSET_PROG:
-		if (info == NULL)
-			return(FALSE);
-		*(u_long *)(cu->cu_outbuf + 3 * BYTES_PER_XDR_UNIT)
-				= htonl(*(u_long *)info);
-		break;
-	case CLGET_LOCAL_ADDR:
-		len = sizeof(struct sockaddr);
-		if (getsockname(cu->cu_sock, (struct sockaddr *)info, &len) <0)
-			return(FALSE);
-		break;
-	case CLGET_SVC_ADDR:
-	case CLSET_SVC_ADDR:
-	case CLSET_PUSH_TIMOD:
-	case CLSET_POP_TIMOD:
-	default:
-		return (FALSE);
-	}
-	return (TRUE);
-}
-
-static void
-clntudp_destroy(
-	CLIENT *cl)
-{
-	struct cu_data *cu = (struct cu_data *)cl->cl_private;
-
-	if (cu->cu_closeit) {
-		(void)_RPC_close(cu->cu_sock);
-	}
-	XDR_DESTROY(&(cu->cu_outxdrs));
-	mem_free(cu, (sizeof (*cu) + cu->cu_sendsz + cu->cu_recvsz));
-	mem_free(cl, sizeof (CLIENT));
-}