/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2009 - 2013 Daniel Borkmann.
 * Subject to the GPL, version 2.
 */

#include <stdint.h>
#include <stdbool.h>

#include "hash.h"
#include "xmalloc.h"
#include "oui.h"
#include "str.h"

static struct hash_table oui;

static bool initialized = false;

struct vendor_id {
	unsigned int id;
	char *vendor;
	struct vendor_id *next;
};

const char *lookup_vendor(unsigned int id)
{
	struct vendor_id *v;

	v = lookup_hash(id, &oui);
	while (v && id != v->id)
		v = v->next;

	return (v && id == v->id ? v->vendor : NULL);
}

void dissector_init_oui(void)
{
	FILE *fp;
	char buff[128], *ptr, *end;
	struct vendor_id *v;
	void **pos;

	if (initialized)
		return;

	fp = fopen(ETCDIRE_STRING "/oui.conf", "r");
	if (!fp)
		panic("No oui.conf found!\n");

	memset(buff, 0, sizeof(buff));

	while (fgets(buff, sizeof(buff), fp) != NULL) {
		buff[sizeof(buff) - 1] = 0;
		ptr = buff;

		v = xmalloc(sizeof(*v));
		v->id = strtol(ptr, &end, 0);
		/* not a valid line, skip */
		if (v->id == 0 && end == ptr) {
			xfree(v);
			continue;
		}

		ptr = strstr(buff, ", ");
		/* likewise */
		if (!ptr) {
			xfree(v);
			continue;
		}

		ptr += strlen(", ");
		ptr = strtrim_right(ptr, '\n');
		ptr = strtrim_right(ptr, ' ');

		v->vendor = xstrdup(ptr);
		v->next = NULL;

		pos = insert_hash(v->id, v, &oui);
		if (pos) {
			v->next = *pos;
			*pos = v;
		}

		memset(buff, 0, sizeof(buff));
	}

	fclose(fp);
	initialized = true;
}

static int dissector_cleanup_oui_hash(void *ptr)
{
	struct vendor_id *tmp, *v = ptr;

	if (!ptr)
		return 0;

	while ((tmp = v->next)) {
		xfree(v->vendor);
		xfree(v);
		v = tmp;
	}

	xfree(v->vendor);
	xfree(v);

	return 0;
}

void dissector_cleanup_oui(void)
{
	if (!initialized)
		return;

	for_each_hash(&oui, dissector_cleanup_oui_hash);
	free_hash(&oui);
	initialized = false;
}
href='/cgit.cgi/linux/net-next.git/log/drivers/usb/gadget/Kconfig?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/gadget/Kconfig'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='a3683e0c1410c5c8136a7a93b0336ce88d3b893a'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>gadget</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>Kconfig</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='a3683e0c1410c5c8136a7a93b0336ce88d3b893a'/><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>Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;</td><td class='right'>2017-01-27 16:01:52 +0100</td></tr>
<tr><th>committer</th><td>Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;</td><td class='right'>2017-01-27 16:01:52 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>a3683e0c1410c5c8136a7a93b0336ce88d3b893a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/gadget/Kconfig?id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>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=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>c022266622274ad38111664c23b5608b53bfe58e</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>drivers/usb/gadget/Kconfig</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=83e526f2a2fa4b2e82b6bd3ddbb26b70acfa8947'>83e526f2a2fa4b2e82b6bd3ddbb26b70acfa8947</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a&amp;id2=83e526f2a2fa4b2e82b6bd3ddbb26b70acfa8947'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=5d03a2fd2292e71936c4235885c35ccc3c94695b'>5d03a2fd2292e71936c4235885c35ccc3c94695b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/Kconfig?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a&amp;id2=5d03a2fd2292e71936c4235885c35ccc3c94695b'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'usb-serial-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus</div><div class='commit-msg'>Johan writes:

USB-serial fixes for v4.10-rc6

Just a couple of new device ids.

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=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>Diffstat</a> (limited to 'drivers/usb/gadget/Kconfig')</div><table summary='diffstat' class='diffstat'>