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

#include <pcap.h>
#include <linux/filter.h>

#include "xmalloc.h"
#include "config.h"
#include "bpf.h"
#include "die.h"

void bpf_try_compile(const char *rulefile, struct sock_fprog *bpf, uint32_t link_type)
{
	int i, ret;
	const struct bpf_insn *ins;
	struct sock_filter *out;
	struct bpf_program _bpf;

	ret = pcap_compile_nopcap(65535, link_type, &_bpf, rulefile, 1, 0xffffffff);
	if (ret < 0)
		panic("Cannot compile filter %s\n", rulefile);

	bpf->len = _bpf.bf_len;
	bpf->filter = xrealloc(bpf->filter, bpf->len * sizeof(*out));

	for (i = 0, ins = _bpf.bf_insns, out = bpf->filter; i < bpf->len;
	     ++i, ++ins, ++out) {
		out->code = ins->code;
		out->jt = ins->jt;
		out->jf = ins->jf;
		out->k = ins->k;

		if (out->code == 0x06 && out->k > 0)
			out->k = 0xFFFFFFFF;
	}

	pcap_freecode(&_bpf);

	if (__bpf_validate(bpf) == 0)
		panic("This is not a valid BPF program!\n");
}
545b79a1698b4cbcb5da94c105523b85ee7c90'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/Documentation?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/Documentation'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>Documentation</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='b7545b79a1698b4cbcb5da94c105523b85ee7c90'/><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'>2016-07-24 17:22:18 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-07-24 17:22:18 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>b7545b79a1698b4cbcb5da94c105523b85ee7c90</a> (<a href='/cgit.cgi/linux/net-next.git/patch/Documentation?id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>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=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>6a0de6b494b21957006d2f7e2c3c7638484a9dc8</a> /<a href='/cgit.cgi/linux/net-next.git/tree/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>Documentation</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation?h=nds-private-remove&amp;id=721413aff218118548b84b18cb5b49660e6e2940'>721413aff218118548b84b18cb5b49660e6e2940</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90&amp;id2=721413aff218118548b84b18cb5b49660e6e2940'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation?h=nds-private-remove&amp;id=cb42b63d893d8d22d1739ddea0d86b10fd921aac'>cb42b63d893d8d22d1739ddea0d86b10fd921aac</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90&amp;id2=cb42b63d893d8d22d1739ddea0d86b10fd921aac'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb</div><div class='commit-msg'>Pull USB updates from Greg KH:
 "Here's the big USB driver update for 4.8-rc1.  Lots of the normal
  stuff in here, musb, gadget, xhci, and other updates and fixes.  All
  of the details are in the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
  cdc-acm: beautify probe()
  cdc-wdm: use the common CDC parser
  cdc-acm: cleanup error handling
  cdc-acm: use the common parser
  usbnet: move the CDC parser into USB core
  usb: musb: sunxi: Simplify dr_mode handling
  usb: musb: sunxi: make unexported symbols static
  usb: musb: cppi41: add dma channel tracepoints
  usb: musb: cppi41: move struct cppi41_dma_channel to header
  usb: musb: cleanup cppi_dma header
  usb: musb: gadget: add usb-request tracepoints
  usb: musb: host: add urb tracepoints
  usb: musb: add tracepoints to dump interrupt events
  usb: musb: add tracepoints for register access
  usb: musb: dsps: use musb register read/write wrappers instead
  usb: musb: switch dev_dbg to tracepoints
  usb: musb: add tracepoints support for debugging
  usb: quirks: Add no-lpm quirk for Elan
  phy: rcar-gen3-usb2: fix mutex_lock calling in interrupt
  phy: rockhip-usb: use devm_add_action_or_reset()
  ...
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=b7545b79a1698b4cbcb5da94c105523b85ee7c90'>Diffstat</a> (limited to 'Documentation')</div><table summary='diffstat' class='diffstat'>