/*
 * 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;
}
ls/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/iio/iio_generic_buffer.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=2fb78e89405f4321b86274a0c24b30896dd50529'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?id=2fb78e89405f4321b86274a0c24b30896dd50529'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/iio?id=2fb78e89405f4321b86274a0c24b30896dd50529'>iio</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529'>iio_generic_buffer.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2fb78e89405f4321b86274a0c24b30896dd50529'/><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'>2017-01-27 12:36:39 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-27 12:36:39 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529'>2fb78e89405f4321b86274a0c24b30896dd50529</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2fb78e89405f4321b86274a0c24b30896dd50529'>4de241e242441b80bd3f0022fc546bb07374571f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529'>tools/iio/iio_generic_buffer.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/iio/iio_generic_buffer.c?id=dd3b9f25c867cb2507a45e436d6ede8eb08e7b05'>dd3b9f25c867cb2507a45e436d6ede8eb08e7b05</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529&amp;id2=dd3b9f25c867cb2507a45e436d6ede8eb08e7b05'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/iio/iio_generic_buffer.c?id=c14024dbb156c8392908aaa822097d27c6af8ec8'>c14024dbb156c8392908aaa822097d27c6af8ec8</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/iio/iio_generic_buffer.c?id=2fb78e89405f4321b86274a0c24b30896dd50529&amp;id2=c14024dbb156c8392908aaa822097d27c6af8ec8'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'for-linus' of git://git.kernel.dk/linux-block</div><div class='commit-msg'>Pull block fixes from Jens Axboe:
 "A set of fixes for this series. This contains:

   - Set of fixes for the nvme target code

   - A revert of patch from this merge window, causing a regression with
     WRITE_SAME on iSCSI targets at least.

   - A fix for a use-after-free in the new O_DIRECT bdev code.

   - Two fixes for the xen-blkfront driver"

* 'for-linus' of git://git.kernel.dk/linux-block:
  Revert "sd: remove __data_len hack for WRITE SAME"
  nvme-fc: use blk_rq_nr_phys_segments
  nvmet-rdma: Fix missing dma sync to nvme data structures
  nvmet: Call fatal_error from keep-alive timout expiration
  nvmet: cancel fatal error and flush async work before free controller
  nvmet: delete controllers deletion upon subsystem release
  nvmet_fc: correct logic in disconnect queue LS handling
  block: fix use after free in __blkdev_direct_IO
  xen-blkfront: correct maximum segment accounting
  xen-blkfront: feature flags handling adjustments
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2fb78e89405f4321b86274a0c24b30896dd50529'>Diffstat</a> (limited to 'tools/iio/iio_generic_buffer.c')</div><table summary='diffstat' class='diffstat'>