/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2009, 2010 Daniel Borkmann.
 * Subject to the GPL, version 2.
 */

#include <stdio.h>
#include <stdint.h>
#include <netinet/in.h>    /* for ntohs() */

#include "proto.h"
#include "protos.h"
#include "dissector_eth.h"
#include "pkt_buff.h"

struct udphdr {
	uint16_t source;
	uint16_t dest;
	uint16_t len;
	uint16_t check;
} __packed;

static void udp(struct pkt_buff *pkt)
{
	struct udphdr *udp = (struct udphdr *) pkt_pull(pkt, sizeof(*udp));
	ssize_t len;
	uint16_t src, dest;
	char *src_name, *dest_name;

	if (udp == NULL)
		return;

	len = ntohs(udp->len) - sizeof(*udp);
	src = ntohs(udp->source);
	dest = ntohs(udp->dest);

	src_name = lookup_port_udp(src);
	dest_name = lookup_port_udp(dest);

	tprintf(" [ UDP ");
	tprintf("Port (%u", src);
	if (src_name)
		tprintf(" (%s%s%s)", colorize_start(bold), src_name,
			colorize_end());
	tprintf(" => %u", dest);
	if (dest_name)
		tprintf(" (%s%s%s)", colorize_start(bold), dest_name,
			colorize_end());
	tprintf("), ");
	if(len > pkt_len(pkt) || len < 0){
		tprintf("Len (%u) %s, ", ntohs(udp->len),
			colorize_start_full(black, red)
			"invalid" colorize_end());
	}
	tprintf("Len (%u Bytes, %zd Bytes Data), ", ntohs(udp->len), len);
	tprintf("CSum (0x%.4x)", ntohs(udp->check));
	tprintf(" ]\n");
}

static void udp_less(struct pkt_buff *pkt)
{
	struct udphdr *udp = (struct udphdr *) pkt_pull(pkt, sizeof(*udp));
	uint16_t src, dest;
	char *src_name, *dest_name;

	if (udp == NULL)
		return;

	src = ntohs(udp->source);
	dest = ntohs(udp->dest);

	src_name = lookup_port_udp(src);
	dest_name = lookup_port_udp(dest);

	tprintf(" UDP %u", src);
	if(src_name)
		tprintf("(%s%s%s)", colorize_start(bold), src_name,
			colorize_end());
	tprintf("/%u", dest);
	if (dest_name)
		tprintf("(%s%s%s)", colorize_start(bold), dest_name,
			colorize_end());
}

struct protocol udp_ops = {
	.key = 0x11,
	.print_full = udp,
	.print_less = udp_less,
};
Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/Documentation/i2c/fault-codes'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/Documentation?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>Documentation</a>/<a href='/cgit.cgi/linux/net-next.git/commit/Documentation/i2c?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>i2c</a>/<a href='/cgit.cgi/linux/net-next.git/commit/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>fault-codes</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='5766e9d25f41d79a0bb99e44a4408d00236dc3c7'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-10-23 15:56:23 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-10-23 15:56:23 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>5766e9d25f41d79a0bb99e44a4408d00236dc3c7</a> (<a href='/cgit.cgi/linux/net-next.git/patch/Documentation/i2c/fault-codes?id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>25f3beda46187f311597ffa83217771aeb212396</a> /<a href='/cgit.cgi/linux/net-next.git/tree/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>Documentation/i2c/fault-codes</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=0c2b6dc4fd4fa13796b319aae969a009f03222c6'>0c2b6dc4fd4fa13796b319aae969a009f03222c6</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7&amp;id2=0c2b6dc4fd4fa13796b319aae969a009f03222c6'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=bd85f4b37ddf2da22ccf5b29d264b2459b6722df'>bd85f4b37ddf2da22ccf5b29d264b2459b6722df</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation/i2c/fault-codes?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7&amp;id2=bd85f4b37ddf2da22ccf5b29d264b2459b6722df'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'for-linus-4.9-2' of git://git.code.sf.net/p/openipmi/linux-ipmi</div><div class='commit-msg'>Pull IPMI updates from Corey Minyard:
 "A small bug fix and a new driver for acting as an IPMI device.

  I was on vacation during the merge window (a long vacation) but this
  is a bug fix that should go in and a new driver that shouldn't hurt
  anything.

  This has been in linux-next for a month or so"

* tag 'for-linus-4.9-2' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi: fix crash on reading version from proc after unregisted bmc
  ipmi/bt-bmc: remove redundant return value check of platform_get_resource()
  ipmi/bt-bmc: add a dependency on ARCH_ASPEED
  ipmi: Fix ioremap error handling in bt-bmc
  ipmi: add an Aspeed BT IPMI BMC driver
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=5766e9d25f41d79a0bb99e44a4408d00236dc3c7'>Diffstat</a> (limited to 'Documentation/i2c/fault-codes')</div><table summary='diffstat' class='diffstat'>