/*
- * 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.
+ * xdr_rec.c, Implements TCP/IP based XDR streams with a "record marking"
+ * layer above tcp (for rpc's use).
*
- * 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.
+ * Copyright (c) 2010, Oracle America, Inc.
*
- * 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.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
*
- * 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.
+ * * 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.
*
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-
-/*
- * xdr_rec.c, Implements TCP/IP based XDR streams with a "record marking"
- * layer above tcp (for rpc's use).
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
+ * 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.
*
* These routines interface XDRSTREAMS to a tcp/ip connection.
* There is a record marking layer between the xdr stream
#include <stdio.h>
#include <string.h>
#include <unistd.h>
+#include <stdint.h>
#include <rpc/rpc.h>
-
-#ifdef USE_IN_LIBIO
-# include <libio/iolibio.h>
-# define fputs(s, f) _IO_fputs (s, f)
-#endif
+#include <libintl.h>
+#include <wchar.h>
+#include <libio/iolibio.h>
+#include <shlib-compat.h>
static bool_t xdrrec_getlong (XDR *, long *);
static bool_t xdrrec_putlong (XDR *, const long *);
static bool_t xdrrec_putbytes (XDR *, const char *, u_int);
static u_int xdrrec_getpos (const XDR *);
static bool_t xdrrec_setpos (XDR *, u_int);
-static int32_t *xdrrec_inline (XDR *, int);
+static int32_t *xdrrec_inline (XDR *, u_int);
static void xdrrec_destroy (XDR *);
static bool_t xdrrec_getint32 (XDR *, int32_t *);
static bool_t xdrrec_putint32 (XDR *, const int32_t *);
-static const struct xdr_ops xdrrec_ops =
-{
+static const struct xdr_ops xdrrec_ops = {
xdrrec_getlong,
xdrrec_putlong,
xdrrec_getbytes,
caddr_t out_base; /* output buffer (points to frag header) */
caddr_t out_finger; /* next output position */
caddr_t out_boundry; /* data cannot up to this address */
- u_int32_t *frag_header; /* beginning of curren fragment */
+ uint32_t *frag_header; /* beginning of curren fragment */
bool_t frag_sent; /* true if buffer sent in middle of record */
/*
* in-coming bits
}
RECSTREAM;
-static u_int fix_buf_size (u_int) internal_function;
-static bool_t skip_input_bytes (RECSTREAM *, long) internal_function;
-static bool_t flush_out (RECSTREAM *, bool_t) internal_function;
-static bool_t set_input_fragment (RECSTREAM *) internal_function;
-static bool_t get_input_bytes (RECSTREAM *, caddr_t, int) internal_function;
+static u_int fix_buf_size (u_int);
+static bool_t skip_input_bytes (RECSTREAM *, long);
+static bool_t flush_out (RECSTREAM *, bool_t);
+static bool_t set_input_fragment (RECSTREAM *);
+static bool_t get_input_bytes (RECSTREAM *, caddr_t, int);
/*
* Create an xdr handle for xdrrec
{
RECSTREAM *rstrm = (RECSTREAM *) mem_alloc (sizeof (RECSTREAM));
caddr_t tmp;
+ char *buf;
+
+ sendsize = fix_buf_size (sendsize);
+ recvsize = fix_buf_size (recvsize);
+ buf = mem_alloc (sendsize + recvsize + BYTES_PER_XDR_UNIT);
- if (rstrm == NULL)
+ if (rstrm == NULL || buf == NULL)
{
- (void) fputs (_("xdrrec_create: out of memory\n"), stderr);
+ (void) __fxprintf (NULL, "%s: %s", __func__, _("out of memory\n"));
+ mem_free (rstrm, sizeof (RECSTREAM));
+ mem_free (buf, sendsize + recvsize + BYTES_PER_XDR_UNIT);
/*
* This is bad. Should rework xdrrec_create to
* return a handle, and in this case return NULL
/*
* adjust sizes and allocate buffer quad byte aligned
*/
- rstrm->sendsize = sendsize = fix_buf_size (sendsize);
- rstrm->recvsize = recvsize = fix_buf_size (recvsize);
- rstrm->the_buffer = mem_alloc (sendsize + recvsize + BYTES_PER_XDR_UNIT);
- if (rstrm->the_buffer == NULL)
- {
- (void) fputs (_("xdrrec_create: out of memory\n"), stderr);
- return;
- }
+ rstrm->sendsize = sendsize;
+ rstrm->recvsize = recvsize;
+ rstrm->the_buffer = buf;
tmp = rstrm->the_buffer;
if ((size_t)tmp % BYTES_PER_XDR_UNIT)
tmp += BYTES_PER_XDR_UNIT - (size_t)tmp % BYTES_PER_XDR_UNIT;
/*
* now the rest ...
*/
- /* We have to add the const since the `struct xdr_ops' in `struct XDR'
+ /* We have to add the cast since the `struct xdr_ops' in `struct XDR'
is not `const'. */
xdrs->x_ops = (struct xdr_ops *) &xdrrec_ops;
xdrs->x_private = (caddr_t) rstrm;
rstrm->readit = readit;
rstrm->writeit = writeit;
rstrm->out_finger = rstrm->out_boundry = rstrm->out_base;
- rstrm->frag_header = (u_int32_t *) rstrm->out_base;
+ rstrm->frag_header = (uint32_t *) rstrm->out_base;
rstrm->out_finger += 4;
rstrm->out_boundry += sendsize;
rstrm->frag_sent = FALSE;
rstrm->fbtbc = 0;
rstrm->last_frag = TRUE;
}
+libc_hidden_nolink_sunrpc (xdrrec_create, GLIBC_2_0)
/*
{
current = rstrm->out_boundry - rstrm->out_finger;
current = (len < current) ? len : current;
- bcopy (addr, rstrm->out_finger, current);
+ memcpy (rstrm->out_finger, addr, current);
rstrm->out_finger += current;
addr += current;
len -= current;
- if (rstrm->out_finger == rstrm->out_boundry)
+ if (rstrm->out_finger == rstrm->out_boundry && len > 0)
{
rstrm->frag_sent = TRUE;
if (!flush_out (rstrm, FALSE))
RECSTREAM *rstrm = (RECSTREAM *) xdrs->x_private;
long pos;
- pos = __lseek ((int) rstrm->tcp_handle, (long) 0, 1);
+ pos = __lseek ((int) (long) rstrm->tcp_handle, (long) 0, 1);
if (pos != -1)
switch (xdrs->x_op)
{
}
static int32_t *
-xdrrec_inline (XDR *xdrs, int len)
+xdrrec_inline (XDR *xdrs, u_int len)
{
RECSTREAM *rstrm = (RECSTREAM *) xdrs->x_private;
int32_t *buf = NULL;
* this procedure to guarantee proper record alignment.
*/
bool_t
-xdrrec_skiprecord (xdrs)
- XDR *xdrs;
+xdrrec_skiprecord (XDR *xdrs)
{
RECSTREAM *rstrm = (RECSTREAM *) xdrs->x_private;
rstrm->last_frag = FALSE;
return TRUE;
}
+libc_hidden_nolink_sunrpc (xdrrec_skiprecord, GLIBC_2_0)
/*
* Lookahead function.
* after consuming the rest of the current record.
*/
bool_t
-xdrrec_eof (xdrs)
- XDR *xdrs;
+xdrrec_eof (XDR *xdrs)
{
RECSTREAM *rstrm = (RECSTREAM *) xdrs->x_private;
return TRUE;
return FALSE;
}
+libc_hidden_nolink_sunrpc (xdrrec_eof, GLIBC_2_0)
/*
* The client must tell the package when an end-of-record has occurred.
* pipelined procedure calls.) TRUE => immediate flush to tcp connection.
*/
bool_t
-xdrrec_endofrecord (xdrs, sendnow)
- XDR *xdrs;
- bool_t sendnow;
+xdrrec_endofrecord (XDR *xdrs, bool_t sendnow)
{
RECSTREAM *rstrm = (RECSTREAM *) xdrs->x_private;
u_long len; /* fragment length */
len = (rstrm->out_finger - (char *) rstrm->frag_header
- BYTES_PER_XDR_UNIT);
*rstrm->frag_header = htonl ((u_long) len | LAST_FRAG);
- rstrm->frag_header = (u_int32_t *) rstrm->out_finger;
+ rstrm->frag_header = (uint32_t *) rstrm->out_finger;
rstrm->out_finger += BYTES_PER_XDR_UNIT;
return TRUE;
}
+libc_hidden_nolink_sunrpc (xdrrec_endofrecord, GLIBC_2_0)
/*
* Internal useful routines
*/
static bool_t
-internal_function
flush_out (RECSTREAM *rstrm, bool_t eor)
{
u_long eormask = (eor == TRUE) ? LAST_FRAG : 0;
if ((*(rstrm->writeit)) (rstrm->tcp_handle, rstrm->out_base, (int) len)
!= (int) len)
return FALSE;
- rstrm->frag_header = (u_int32_t *) rstrm->out_base;
+ rstrm->frag_header = (uint32_t *) rstrm->out_base;
rstrm->out_finger = (caddr_t) rstrm->out_base + BYTES_PER_XDR_UNIT;
return TRUE;
}
}
static bool_t /* knows nothing about records! Only about input buffers */
-internal_function
get_input_bytes (RECSTREAM *rstrm, caddr_t addr, int len)
{
int current;
continue;
}
current = (len < current) ? len : current;
- bcopy (rstrm->in_finger, addr, current);
+ memcpy (addr, rstrm->in_finger, current);
rstrm->in_finger += current;
addr += current;
len -= current;
}
static bool_t /* next two bytes of the input stream are treated as a header */
-internal_function
set_input_fragment (RECSTREAM *rstrm)
{
- u_long header;
+ uint32_t header;
if (! get_input_bytes (rstrm, (caddr_t)&header, BYTES_PER_XDR_UNIT))
return FALSE;
header = ntohl (header);
rstrm->last_frag = ((header & LAST_FRAG) == 0) ? FALSE : TRUE;
/*
- * Sanity check. Try not to accept wildly incorrect
- * record sizes. Unfortunately, the only record size
- * we can positively identify as being 'wildly incorrect'
- * is zero. Ridiculously large record sizes may look wrong,
- * but we don't have any way to be certain that they aren't
- * what the client actually intended to send us.
+ * Sanity check. Try not to accept wildly incorrect fragment
+ * sizes. Unfortunately, only a size of zero can be identified as
+ * 'wildely incorrect', and this only, if it is not the last
+ * fragment of a message. Ridiculously large fragment sizes may look
+ * wrong, but we don't have any way to be certain that they aren't
+ * what the client actually intended to send us. Many existing RPC
+ * implementations may sent a fragment of size zero as the last
+ * fragment of a message.
*/
- if ((header & (~LAST_FRAG)) == 0)
+ if (header == 0)
return FALSE;
rstrm->fbtbc = header & ~LAST_FRAG;
return TRUE;
}
static bool_t /* consumes input bytes; knows nothing about records! */
-internal_function
skip_input_bytes (RECSTREAM *rstrm, long cnt)
{
int current;
}
static u_int
-internal_function
fix_buf_size (u_int s)
{
if (s < 100)
projects / thirdparty / glibc.git / blobdiff