* libnet_build_sebek.c - sebek packet assembler
* Copyright (c) 2004 Frederic Raynal <pappy@security-labs.org>
* Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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 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 AUTHOR 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
#include "../include/config.h"
#if (!(_WIN32) || (__CYGWIN__))
#include "../include/libnet.h"
#include "../include/win32/libnet.h"
libnet_build_sebek(u_int32_t magic
, u_int16_t version
, u_int16_t type
,
u_int32_t counter
, u_int32_t time_sec
, u_int32_t time_usec
, u_int32_t pid
,
u_int32_t uid
, u_int32_t fd
, u_int8_t cmd
[SEBEK_CMD_LENGTH
], u_int32_t length
,
u_int8_t
*payload
, u_int32_t payload_s
, libnet_t
*l
, libnet_ptag_t ptag
)
struct libnet_sebek_hdr sebek_hdr
;
n
= LIBNET_SEBEK_H
+ payload_s
; /* size of memory block */
* Find the existing protocol block if a ptag is specified, or create
p
= libnet_pblock_probe(l
, ptag
, n
, LIBNET_PBLOCK_SEBEK_H
);
memset(&sebek_hdr
, 0, sizeof(sebek_hdr
));
sebek_hdr
.magic
= htonl(magic
);
sebek_hdr
.version
= htons(version
);
sebek_hdr
.type
= htons(type
);
sebek_hdr
.counter
= htonl(counter
);
sebek_hdr
.time_sec
= htonl(time_sec
);
sebek_hdr
.time_usec
= htonl(time_usec
);
sebek_hdr
.pid
= htonl(pid
);
sebek_hdr
.uid
= htonl(uid
);
sebek_hdr
.fd
= htonl(fd
);
memcpy(sebek_hdr
.cmd
, cmd
, SEBEK_CMD_LENGTH
*sizeof(u_int8_t
));
sebek_hdr
.length
= htonl(length
);
n
= libnet_pblock_append(l
, p
, (u_int8_t
*)&sebek_hdr
, LIBNET_SEBEK_H
);
if ((payload
&& !payload_s
) || (!payload
&& payload_s
))
snprintf(l
->err_buf
, LIBNET_ERRBUF_SIZE
,
"%s(): payload inconsistency\n", __func__
);
if (payload
&& payload_s
)
n
= libnet_pblock_append(l
, p
, payload
, payload_s
);
return (ptag
? ptag
: libnet_pblock_update(l
, p
, 0, LIBNET_PBLOCK_SEBEK_H
));
libnet_pblock_delete(l
, p
);