198 lines
6.0 KiB
C
198 lines
6.0 KiB
C
/*
|
|
* rpc_callmsg.c
|
|
*
|
|
* Copyright (C) 1984, Sun Microsystems, 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 Sun Microsystems, 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 <string.h>
|
|
#include <sys/param.h>
|
|
#include <rpc/rpc.h>
|
|
|
|
/*
|
|
* XDR a call message
|
|
*/
|
|
bool_t
|
|
xdr_callmsg (XDR *xdrs, struct rpc_msg *cmsg)
|
|
{
|
|
int32_t *buf;
|
|
struct opaque_auth *oa;
|
|
|
|
if (xdrs->x_op == XDR_ENCODE)
|
|
{
|
|
if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES)
|
|
{
|
|
return (FALSE);
|
|
}
|
|
if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES)
|
|
{
|
|
return (FALSE);
|
|
}
|
|
buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT
|
|
+ RNDUP (cmsg->rm_call.cb_cred.oa_length)
|
|
+ 2 * BYTES_PER_XDR_UNIT
|
|
+ RNDUP (cmsg->rm_call.cb_verf.oa_length));
|
|
if (buf != NULL)
|
|
{
|
|
(void) IXDR_PUT_LONG (buf, cmsg->rm_xid);
|
|
(void) IXDR_PUT_ENUM (buf, cmsg->rm_direction);
|
|
if (cmsg->rm_direction != CALL)
|
|
return FALSE;
|
|
(void) IXDR_PUT_LONG (buf, cmsg->rm_call.cb_rpcvers);
|
|
if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
|
|
return FALSE;
|
|
(void) IXDR_PUT_LONG (buf, cmsg->rm_call.cb_prog);
|
|
(void) IXDR_PUT_LONG (buf, cmsg->rm_call.cb_vers);
|
|
(void) IXDR_PUT_LONG (buf, cmsg->rm_call.cb_proc);
|
|
oa = &cmsg->rm_call.cb_cred;
|
|
(void) IXDR_PUT_ENUM (buf, oa->oa_flavor);
|
|
(void) IXDR_PUT_INT32 (buf, oa->oa_length);
|
|
if (oa->oa_length)
|
|
{
|
|
memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);
|
|
buf = (int32_t *) ((char *) buf + RNDUP (oa->oa_length));
|
|
}
|
|
oa = &cmsg->rm_call.cb_verf;
|
|
(void) IXDR_PUT_ENUM (buf, oa->oa_flavor);
|
|
(void) IXDR_PUT_INT32 (buf, oa->oa_length);
|
|
if (oa->oa_length)
|
|
{
|
|
memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);
|
|
/* no real need....
|
|
buf = (long *) ((char *) buf + RNDUP(oa->oa_length));
|
|
*/
|
|
}
|
|
return TRUE;
|
|
}
|
|
}
|
|
if (xdrs->x_op == XDR_DECODE)
|
|
{
|
|
buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT);
|
|
if (buf != NULL)
|
|
{
|
|
cmsg->rm_xid = IXDR_GET_LONG (buf);
|
|
cmsg->rm_direction = IXDR_GET_ENUM (buf, enum msg_type);
|
|
if (cmsg->rm_direction != CALL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG (buf);
|
|
if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
|
|
{
|
|
return FALSE;
|
|
}
|
|
cmsg->rm_call.cb_prog = IXDR_GET_LONG (buf);
|
|
cmsg->rm_call.cb_vers = IXDR_GET_LONG (buf);
|
|
cmsg->rm_call.cb_proc = IXDR_GET_LONG (buf);
|
|
oa = &cmsg->rm_call.cb_cred;
|
|
oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);
|
|
oa->oa_length = IXDR_GET_INT32 (buf);
|
|
if (oa->oa_length)
|
|
{
|
|
if (oa->oa_length > MAX_AUTH_BYTES)
|
|
return FALSE;
|
|
if (oa->oa_base == NULL)
|
|
{
|
|
oa->oa_base = (caddr_t)
|
|
mem_alloc (oa->oa_length);
|
|
}
|
|
buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));
|
|
if (buf == NULL)
|
|
{
|
|
if (INTUSE(xdr_opaque) (xdrs, oa->oa_base,
|
|
oa->oa_length) == FALSE)
|
|
return FALSE;
|
|
}
|
|
else
|
|
{
|
|
memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);
|
|
/* no real need....
|
|
buf = (long *) ((char *) buf
|
|
+ RNDUP(oa->oa_length));
|
|
*/
|
|
}
|
|
}
|
|
oa = &cmsg->rm_call.cb_verf;
|
|
buf = XDR_INLINE (xdrs, 2 * BYTES_PER_XDR_UNIT);
|
|
if (buf == NULL)
|
|
{
|
|
if (INTUSE(xdr_enum) (xdrs, &oa->oa_flavor) == FALSE ||
|
|
INTUSE(xdr_u_int) (xdrs, &oa->oa_length) == FALSE)
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);
|
|
oa->oa_length = IXDR_GET_INT32 (buf);
|
|
}
|
|
if (oa->oa_length)
|
|
{
|
|
if (oa->oa_length > MAX_AUTH_BYTES)
|
|
return FALSE;
|
|
if (oa->oa_base == NULL)
|
|
{
|
|
oa->oa_base = (caddr_t)
|
|
mem_alloc (oa->oa_length);
|
|
}
|
|
buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));
|
|
if (buf == NULL)
|
|
{
|
|
if (INTUSE(xdr_opaque) (xdrs, oa->oa_base,
|
|
oa->oa_length) == FALSE)
|
|
return FALSE;
|
|
}
|
|
else
|
|
{
|
|
memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);
|
|
/* no real need...
|
|
buf = (long *) ((char *) buf
|
|
+ RNDUP(oa->oa_length));
|
|
*/
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
}
|
|
if (
|
|
INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_xid)) &&
|
|
INTUSE(xdr_enum) (xdrs, (enum_t *) & (cmsg->rm_direction)) &&
|
|
(cmsg->rm_direction == CALL) &&
|
|
INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
|
|
(cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
|
|
INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_prog)) &&
|
|
INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_vers)) &&
|
|
INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_proc)) &&
|
|
INTUSE(xdr_opaque_auth) (xdrs, &(cmsg->rm_call.cb_cred)))
|
|
return INTUSE(xdr_opaque_auth) (xdrs, &(cmsg->rm_call.cb_verf));
|
|
return FALSE;
|
|
}
|
|
INTDEF(xdr_callmsg)
|