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

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

#include "proto.h"
#include "protos.h"
#include "csum.h"
#include "dissector_eth.h"
#include "ipv6.h"
#include "geoip.h"
#include "pkt_buff.h"

extern void ipv6(struct pkt_buff *pkt);
extern void ipv6_less(struct pkt_buff *pkt);

void ipv6(struct pkt_buff *pkt)
{
	uint8_t traffic_class;
	uint32_t flow_label;
	char src_ip[INET6_ADDRSTRLEN];
	char dst_ip[INET6_ADDRSTRLEN];
	struct ipv6hdr *ip = (struct ipv6hdr *) pkt_pull(pkt, sizeof(*ip));
	struct sockaddr_in6 sas, sad;
	const char *city, *region, *country;

	if (ip == NULL)
		return;

	traffic_class = (ip->priority << 4) | 
			((ip->flow_lbl[0] & 0xF0) >> 4);
	flow_label = ((ip->flow_lbl[0] & 0x0F) << 8) |
		     (ip->flow_lbl[1] << 4) | ip->flow_lbl[2];

	inet_ntop(AF_INET6, &ip->saddr, src_ip, sizeof(src_ip));
	inet_ntop(AF_INET6, &ip->daddr, dst_ip, sizeof(dst_ip));

	tprintf(" [ IPv6 ");
	tprintf("Addr (%s => %s), ", src_ip, dst_ip);
	tprintf("Version (%u), ", ip->version);
	tprintf("TrafficClass (%u), ", traffic_class);
	tprintf("FlowLabel (%u), ", flow_label);
	tprintf("Len (%u), ", ntohs(ip->payload_len));
	tprintf("NextHdr (%u), ", ip->nexthdr);
	tprintf("HopLimit (%u)", ip->hop_limit);
	tprintf(" ]\n");

	memset(&sas, 0, sizeof(sas));
	sas.sin6_family = PF_INET6;
	memcpy(&sas.sin6_addr, &ip->saddr, sizeof(ip->saddr));

	memset(&sad, 0, sizeof(sad));
	sad.sin6_family = PF_INET6;
	memcpy(&sad.sin6_addr, &ip->daddr, sizeof(ip->daddr));

	if (geoip_working()) {
		tprintf("\t[ Geo (");
		if ((country = geoip6_country_name(sas))) {
			tprintf("%s", country);
			if ((region = geoip6_region_name(sas)))
				tprintf(" / %s", region);
			if ((city = geoip6_city_name(sas)))
				tprintf(" / %s", city);
		} else {
			tprintf("local");
		}
		tprintf(" => ");
		if ((country = geoip6_country_name(sad))) {
			tprintf("%s", country);
			if ((region = geoip6_region_name(sad)))
				tprintf(" / %s", region);
			if ((city = geoip6_city_name(sad)))
				tprintf(" / %s", city);
		} else {
			tprintf("local");
		}
		tprintf(") ]\n");
	}

	pkt_set_proto(pkt, &eth_lay3, ip->nexthdr);
}

void ipv6_less(struct pkt_buff *pkt)
{
	char src_ip[INET6_ADDRSTRLEN];
	char dst_ip[INET6_ADDRSTRLEN];
	struct ipv6hdr *ip = (struct ipv6hdr *) pkt_pull(pkt, sizeof(*ip));

	if (ip == NULL)
		return;

	inet_ntop(AF_INET6, &ip->saddr, src_ip, sizeof(src_ip));
	inet_ntop(AF_INET6, &ip->daddr, dst_ip, sizeof(dst_ip));

	tprintf(" %s/%s Len %u", src_ip, dst_ip,
		ntohs(ip->payload_len));

	pkt_set_proto(pkt, &eth_lay3, ip->nexthdr);
}

struct protocol ipv6_ops = {
	.key = 0x86DD,
	.print_full = ipv6,
	.print_less = ipv6_less,
};
ut type='hidden' name='id' value='b05aebc25fdc5aeeac3ee29f0dc9f58dd07c13cc'/><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>Johan Hovold &lt;johan@kernel.org&gt;</td><td class='right'>2017-01-03 16:39:50 +0100</td></tr>
<tr><th>committer</th><td>Johan Hovold &lt;johan@kernel.org&gt;</td><td class='right'>2017-01-04 10:37:19 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=b05aebc25fdc5aeeac3ee29f0dc9f58dd07c13cc'>b05aebc25fdc5aeeac3ee29f0dc9f58dd07c13cc</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=b05aebc25fdc5aeeac3ee29f0dc9f58dd07c13cc'>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=b05aebc25fdc5aeeac3ee29f0dc9f58dd07c13cc'>618bff514398992dab52a7b26ed58c5569fff539</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=21ce57840243c7b70fbc1ebd3dceeb70bb6e9e09'>21ce57840243c7b70fbc1ebd3dceeb70bb6e9e09</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=b05aebc25fdc5aeeac3ee29f0dc9f58dd07c13cc&amp;id2=21ce57840243c7b70fbc1ebd3dceeb70bb6e9e09'>diff</a>)</td></tr></table>
<div class='commit-subject'>USB: serial: mos7720: fix NULL-deref at open</div><div class='commit-msg'>Fix NULL-pointer dereference at port open if a device lacks the expected
bulk in and out endpoints.

Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
[&lt;bf071c20&gt;] (mos7720_open [mos7720]) from [&lt;bf0490e0&gt;] (serial_port_activate+0x68/0x98 [usbserial])
[&lt;bf0490e0&gt;] (serial_port_activate [usbserial]) from [&lt;c0470ca4&gt;] (tty_port_open+0x9c/0xe8)
[&lt;c0470ca4&gt;] (tty_port_open) from [&lt;bf049d98&gt;] (serial_open+0x48/0x6c [usbserial])
[&lt;bf049d98&gt;] (serial_open [usbserial]) from [&lt;c0469178&gt;] (tty_open+0xcc/0x5cc)

Fixes: 0f64478cbc7a ("USB: add USB serial mos7720 driver")
Cc: stable &lt;stable@vger.kernel.org&gt;
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=b05aebc25fdc5aeeac3ee29f0dc9f58dd07c13cc'>Diffstat</a></div><table summary='diffstat' class='diffstat'>