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/* $OpenBSD: put.c,v 1.6 2004/04/14 20:37:28 henning Exp $ */
/*
* Copyright (c) 1993-95 Mats O Jansson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifndef LINT
static const char rcsid[] =
"$OpenBSD: put.c,v 1.6 2004/04/14 20:37:28 henning Exp $";
#endif
#include <stddef.h>
#include <sys/types.h>
#include <time.h>
#include "common/mopdef.h"
void
mopPutChar(u_char *pkt, int *index, u_char value)
{
pkt[*index] = value;
(*index)++;
}
void
mopPutShort(u_char *pkt, int *index, u_short value)
{
int i;
for (i = 0; i < 2; i++) {
pkt[*index + i] = value % 256;
value /= 256;
}
*index += 2;
}
void
mopPutLong(u_char *pkt, int *index, u_long value)
{
int i;
for (i = 0; i < 4; i++) {
pkt[*index + i] = value % 256;
value /= 256;
}
*index += 4;
}
void
mopPutMulti(u_char *pkt, int *index, u_char *value, int size)
{
int i;
for (i = 0; i < size; i++)
pkt[*index + i] = value[i];
*index += size;
}
void
mopPutTime(u_char *pkt, int *index, time_t value)
{
time_t tnow;
struct tm *timenow;
if ((value == 0))
tnow = time(NULL);
else
tnow = value;
timenow = localtime(&tnow);
mopPutChar(pkt, index, 10);
mopPutChar(pkt, index, (timenow->tm_year / 100) + 19);
mopPutChar(pkt, index, (timenow->tm_year % 100));
mopPutChar(pkt, index, (timenow->tm_mon + 1));
mopPutChar(pkt, index, (timenow->tm_mday));
mopPutChar(pkt, index, (timenow->tm_hour));
mopPutChar(pkt, index, (timenow->tm_min));
mopPutChar(pkt, index, (timenow->tm_sec));
mopPutChar(pkt, index, 0x00);
mopPutChar(pkt, index, 0x00);
mopPutChar(pkt, index, 0x00);
}
void
mopPutHeader(u_char *pkt, int *index, char dst[], char src[], u_short proto,
int trans)
{
mopPutMulti(pkt, index, dst, 6);
mopPutMulti(pkt, index, src, 6);
if (trans == TRANS_8023) {
mopPutShort(pkt, index, 0);
mopPutChar(pkt, index, MOP_K_PROTO_802_DSAP);
mopPutChar(pkt, index, MOP_K_PROTO_802_SSAP);
mopPutChar(pkt, index, MOP_K_PROTO_802_CNTL);
mopPutChar(pkt, index, 0x08);
mopPutChar(pkt, index, 0x00);
mopPutChar(pkt, index, 0x2b);
}
#if !defined(__FreeBSD__)
mopPutChar(pkt, index, (proto / 256));
mopPutChar(pkt, index, (proto % 256));
#else
if (trans == TRANS_8023) {
mopPutChar(pkt, index, (proto / 256));
mopPutChar(pkt, index, (proto % 256));
} else {
mopPutChar(pkt, index, (proto % 256));
mopPutChar(pkt, index, (proto / 256));
}
#endif
if (trans == TRANS_ETHER)
mopPutShort(pkt, index, 0);
}
void
mopPutLength(u_char *pkt, int trans, u_short len)
{
int index = 0;
switch (trans) {
case TRANS_ETHER:
index = 14;
mopPutChar(pkt, &index, ((len - 16) % 256));
mopPutChar(pkt, &index, ((len - 16) / 256));
break;
case TRANS_8023:
index = 12;
#if !defined(__FreeBSD__)
mopPutChar(pkt, &index, ((len - 14) / 256));
mopPutChar(pkt, &index, ((len - 14) % 256));
#else
mopPutChar(pkt, &index, ((len - 14) % 256));
mopPutChar(pkt, &index, ((len - 14) / 256));
#endif
break;
}
}
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