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/*
* Copyright (C) 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <config.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <lwres/lwbuffer.h>
#include <lwres/lwpacket.h>
#include <lwres/result.h>
#include "assert_p.h"
#define LWPACKET_LENGTH (sizeof(lwres_uint16_t) * 4 + sizeof(lwres_uint32_t) * 5)
lwres_result_t
lwres_lwpacket_renderheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt)
{
REQUIRE(b != NULL);
REQUIRE(pkt != NULL);
if (!SPACE_OK(b, LWPACKET_LENGTH))
return (LWRES_R_UNEXPECTEDEND);
lwres_buffer_putuint32(b, pkt->length);
lwres_buffer_putuint16(b, pkt->version);
lwres_buffer_putuint16(b, pkt->pktflags);
lwres_buffer_putuint32(b, pkt->serial);
lwres_buffer_putuint32(b, pkt->opcode);
lwres_buffer_putuint32(b, pkt->result);
lwres_buffer_putuint32(b, pkt->recvlength);
lwres_buffer_putuint16(b, pkt->authtype);
lwres_buffer_putuint16(b, pkt->authlength);
return (LWRES_R_SUCCESS);
}
lwres_result_t
lwres_lwpacket_parseheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt)
{
lwres_uint32_t space;
REQUIRE(b != NULL);
REQUIRE(pkt != NULL);
space = LWRES_BUFFER_REMAINING(b);
if (space < LWPACKET_LENGTH)
return (LWRES_R_UNEXPECTEDEND);
pkt->length = lwres_buffer_getuint32(b);
if (pkt->length > space)
return (LWRES_R_UNEXPECTEDEND);
pkt->version = lwres_buffer_getuint16(b);
pkt->pktflags = lwres_buffer_getuint16(b);
pkt->serial = lwres_buffer_getuint32(b);
pkt->opcode = lwres_buffer_getuint32(b);
pkt->result = lwres_buffer_getuint32(b);
pkt->recvlength = lwres_buffer_getuint32(b);
pkt->authtype = lwres_buffer_getuint16(b);
pkt->authlength = lwres_buffer_getuint16(b);
return (LWRES_R_SUCCESS);
}
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