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Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / verif / env / common / vera / niu_ippktgen / C / libnet / src / libnet_build_icmp.c
/*
* $Id: libnet_build_icmp.c,v 1.20 2005/11/29 22:27:46 carlosc Exp $
*
* libnet
* libnet_build_icmp.c - ICMP packet assemblers
*
* Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
* 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 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
* SUCH DAMAGE.
*
*/
#if (HAVE_CONFIG_H)
#include "../include/config.h"
#endif
#if (!(_WIN32) || (__CYGWIN__))
#include "../include/libnet.h"
#else
#include "../include/win32/libnet.h"
#endif
/* some common cruft for completing ICMP error packets */
#define LIBNET_BUILD_ICMP_ERR_FINISH(len) \
do \
{ \
n = libnet_pblock_append(l, p, (u_int8_t *)&icmp_hdr, len); \
if (n == -1) \
{ \
goto bad; \
} \
\
if ((payload && !payload_s) || (!payload && payload_s)) \
{ \
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, \
"%s(): payload inconsistency\n", __func__); \
goto bad; \
} \
\
if (payload && payload_s) \
{ \
n = libnet_pblock_append(l, p, payload, payload_s); \
if (n == -1) \
{ \
goto bad; \
} \
} \
\
if (sum == 0) \
{ \
libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM); \
} \
} while (0)
libnet_ptag_t
libnet_build_icmpv4_echo(u_int8_t type, u_int8_t code, u_int16_t sum,
u_int16_t id, u_int16_t seq, u_int8_t *payload, u_int32_t payload_s,
libnet_t *l, libnet_ptag_t ptag)
{
u_int32_t n, h;
libnet_pblock_t *p;
struct libnet_icmpv4_hdr icmp_hdr;
if (l == NULL)
{
return (-1);
}
n = LIBNET_ICMPV4_ECHO_H + payload_s; /* size of memory block */
h = LIBNET_ICMPV4_ECHO_H + payload_s; /* hl for checksum */
/*
* Find the existing protocol block if a ptag is specified, or create
* a new one.
*/
p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_ICMPV4_ECHO_H);
if (p == NULL)
{
return (-1);
}
memset(&icmp_hdr, 0, sizeof(icmp_hdr));
icmp_hdr.icmp_type = type; /* packet type */
icmp_hdr.icmp_code = code; /* packet code */
icmp_hdr.icmp_sum = (sum ? htons(sum) : 0); /* checksum */
icmp_hdr.icmp_id = htons(id); /* packet id */
icmp_hdr.icmp_seq = htons(seq); /* packet seq */
n = libnet_pblock_append(l, p, (u_int8_t *)&icmp_hdr, LIBNET_ICMPV4_ECHO_H);
if (n == -1)
{
goto bad;
}
if ((payload && !payload_s) || (!payload && payload_s))
{
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
"%s(): payload inconsistency\n", __func__);
goto bad;
}
if (payload && payload_s)
{
n = libnet_pblock_append(l, p, payload, payload_s);
if (n == -1)
{
goto bad;
}
}
if (sum == 0)
{
/*
* If checksum is zero, by default libnet will compute a checksum
* for the user. The programmer can override this by calling
* libnet_toggle_checksum(l, ptag, 1);
*/
libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM);
}
return (ptag ? ptag : libnet_pblock_update(l, p, h,
LIBNET_PBLOCK_ICMPV4_ECHO_H));
bad:
libnet_pblock_delete(l, p);
return (-1);
}
libnet_ptag_t
libnet_build_icmpv4_mask(u_int8_t type, u_int8_t code, u_int16_t sum,
u_int16_t id, u_int16_t seq, u_int32_t mask, u_int8_t *payload,
u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
{
u_int32_t n, h;
libnet_pblock_t *p;
struct libnet_icmpv4_hdr icmp_hdr;
if (l == NULL)
{
return (-1);
}
n = LIBNET_ICMPV4_MASK_H + payload_s; /* size of memory block */
h = LIBNET_ICMPV4_MASK_H + payload_s; /* hl for checksum */
/*
* Find the existing protocol block if a ptag is specified, or create
* a new one.
*/
p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_ICMPV4_MASK_H);
if (p == NULL)
{
return (-1);
}
memset(&icmp_hdr, 0, sizeof(icmp_hdr));
icmp_hdr.icmp_type = type; /* packet type */
icmp_hdr.icmp_code = code; /* packet code */
icmp_hdr.icmp_sum = (sum ? htons(sum) : 0); /* checksum */
icmp_hdr.icmp_id = htons(id); /* packet id */
icmp_hdr.icmp_seq = htons(seq); /* packet seq */
icmp_hdr.icmp_mask = htonl(mask); /* address mask */
n = libnet_pblock_append(l, p, (u_int8_t *)&icmp_hdr, LIBNET_ICMPV4_MASK_H);
if (n == -1)
{
goto bad;
}
if ((payload && !payload_s) || (!payload && payload_s))
{
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
"%s(): payload inconsistency\n", __func__);
goto bad;
}
if (payload && payload_s)
{
n = libnet_pblock_append(l, p, payload, payload_s);
if (n == -1)
{
goto bad;
}
}
if (sum == 0)
{
/*
* If checksum is zero, by default libnet will compute a checksum
* for the user. The programmer can override this by calling
* libnet_toggle_checksum(l, ptag, 1);
*/
libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM);
}
return (ptag ? ptag : libnet_pblock_update(l, p, h,
LIBNET_PBLOCK_ICMPV4_MASK_H));
bad:
libnet_pblock_delete(l, p);
return (-1);
}
libnet_ptag_t
libnet_build_icmpv4_timestamp(u_int8_t type, u_int8_t code, u_int16_t sum,
u_int16_t id, u_int16_t seq, n_time otime, n_time rtime, n_time ttime,
u_int8_t *payload, u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
{
u_int32_t n, h;
libnet_pblock_t *p;
struct libnet_icmpv4_hdr icmp_hdr;
if (l == NULL)
{
return (-1);
}
n = LIBNET_ICMPV4_TS_H + payload_s; /* size of memory block */
h = LIBNET_ICMPV4_TS_H + payload_s; /* hl for checksum */
/*
* Find the existing protocol block if a ptag is specified, or create
* a new one.
*/
p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_ICMPV4_TS_H);
if (p == NULL)
{
return (-1);
}
memset(&icmp_hdr, 0, sizeof(icmp_hdr));
icmp_hdr.icmp_type = type; /* packet type */
icmp_hdr.icmp_code = code; /* packet code */
icmp_hdr.icmp_sum = (sum ? htons(sum) : 0); /* checksum */
icmp_hdr.icmp_id = htons(id); /* packet id */
icmp_hdr.icmp_seq = htons(seq); /* packet seq */
icmp_hdr.icmp_otime = htonl(otime); /* original timestamp */
icmp_hdr.icmp_rtime = htonl(rtime); /* receive timestamp */
icmp_hdr.icmp_ttime = htonl(ttime); /* transmit timestamp */
n = libnet_pblock_append(l, p, (u_int8_t *)&icmp_hdr, LIBNET_ICMPV4_TS_H);
if (n == -1)
{
goto bad;
}
if ((payload && !payload_s) || (!payload && payload_s))
{
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
"%s(): payload inconsistency\n", __func__);
goto bad;
}
if (payload && payload_s)
{
n = libnet_pblock_append(l, p, payload, payload_s);
if (n == -1)
{
goto bad;
}
}
if (sum == 0)
{
/*
* If checksum is zero, by default libnet will compute a checksum
* for the user. The programmer can override this by calling
* libnet_toggle_checksum(l, ptag, 1);
*/
libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM);
}
return (ptag ? ptag : libnet_pblock_update(l, p, h,
LIBNET_PBLOCK_ICMPV4_TS_H));
bad:
libnet_pblock_delete(l, p);
return (-1);
}
libnet_ptag_t
libnet_build_icmpv4_unreach(u_int8_t type, u_int8_t code, u_int16_t sum,
u_int8_t *payload, u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
{
u_int32_t n, h;
libnet_pblock_t *p;
struct libnet_icmpv4_hdr icmp_hdr;
if (l == NULL)
{
return (-1);
}
n = LIBNET_ICMPV4_UNREACH_H + payload_s; /* size of memory block */
/*
* FREDRAYNAL: as ICMP checksum includes what is embedded in
* the payload, and what is after the ICMP header, we need to include
* those 2 sizes.
*/
h = LIBNET_ICMPV4_UNREACH_H + payload_s + l->total_size;
/*
* Find the existing protocol block if a ptag is specified, or create
* a new one.
*/
p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_ICMPV4_UNREACH_H);
if (p == NULL)
{
return (-1);
}
memset(&icmp_hdr, 0, sizeof(icmp_hdr));
icmp_hdr.icmp_type = type; /* packet type */
icmp_hdr.icmp_code = code; /* packet code */
icmp_hdr.icmp_sum = (sum ? htons(sum) : 0); /* checksum */
icmp_hdr.icmp_id = 0; /* must be 0 */
icmp_hdr.icmp_seq = 0; /* must be 0 */
LIBNET_BUILD_ICMP_ERR_FINISH(LIBNET_ICMPV4_UNREACH_H);
return (ptag ? ptag : libnet_pblock_update(l, p, h,
LIBNET_PBLOCK_ICMPV4_UNREACH_H));
bad:
libnet_pblock_delete(l, p);
return (-1);
}
libnet_ptag_t
libnet_build_icmpv4_timeexceed(u_int8_t type, u_int8_t code, u_int16_t sum,
u_int8_t *payload, u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
{
u_int32_t n, h;
libnet_pblock_t *p;
struct libnet_icmpv4_hdr icmp_hdr;
if (l == NULL)
{
return (-1);
}
/* size of memory block */
n = LIBNET_ICMPV4_TIMXCEED_H;
/*
* FREDRAYNAL: as ICMP checksum includes what is embedded in
* the payload, and what is after the ICMP header, we need to include
* those 2 sizes.
*/
h = LIBNET_ICMPV4_TIMXCEED_H + payload_s + l->total_size;
/*
* Find the existing protocol block if a ptag is specified, or create
* a new one.
*/
p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_ICMPV4_TIMXCEED_H);
if (p == NULL)
{
return (-1);
}
memset(&icmp_hdr, 0, sizeof(icmp_hdr));
icmp_hdr.icmp_type = type; /* packet type */
icmp_hdr.icmp_code = code; /* packet code */
icmp_hdr.icmp_sum = (sum ? htons(sum) : 0); /* checksum */
icmp_hdr.icmp_id = 0; /* must be 0 */
icmp_hdr.icmp_seq = 0; /* must be 0 */
LIBNET_BUILD_ICMP_ERR_FINISH(LIBNET_ICMPV4_TIMXCEED_H);
return (ptag ? ptag : libnet_pblock_update(l, p, h,
LIBNET_PBLOCK_ICMPV4_TIMXCEED_H));
bad:
libnet_pblock_delete(l, p);
return (-1);
}
libnet_ptag_t
libnet_build_icmpv4_redirect(u_int8_t type, u_int8_t code, u_int16_t sum,
u_int32_t gateway, u_int8_t *payload, u_int32_t payload_s, libnet_t *l,
libnet_ptag_t ptag)
{
u_int32_t n, h;
libnet_pblock_t *p;
struct libnet_icmpv4_hdr icmp_hdr;
if (l == NULL)
{
return (-1);
}
n = LIBNET_ICMPV4_REDIRECT_H; /* size of memory block */
/*
* FREDRAYNAL: as ICMP checksum includes what is embedded in
* the payload, and what is after the ICMP header, we need to include
* those 2 sizes.
*/
h = LIBNET_ICMPV4_REDIRECT_H + payload_s + l->total_size;
/*
* Find the existing protocol block if a ptag is specified, or create
* a new one.
*/
p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_ICMPV4_REDIRECT_H);
if (p == NULL)
{
return (-1);
}
memset(&icmp_hdr, 0, sizeof(icmp_hdr));
icmp_hdr.icmp_type = type; /* packet type */
icmp_hdr.icmp_code = code; /* packet code */
icmp_hdr.icmp_sum = (sum ? htons(sum) : 0); /* checksum */
icmp_hdr.hun.gateway = gateway;
LIBNET_BUILD_ICMP_ERR_FINISH(LIBNET_ICMPV4_REDIRECT_H);
return (ptag ? ptag : libnet_pblock_update(l, p, h,
LIBNET_PBLOCK_ICMPV4_REDIRECT_H));
bad:
libnet_pblock_delete(l, p);
return (-1);
}
/* EOF */
Full OpenSPARC design & verification tarball including full HDL.