/*
 * 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 "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, 1, 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");
}
ange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master' selected='selected'>master</option>
<option value='nds-private-remove'>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/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=69973b830859bc6529a7a0468ba0d80ee5117826'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/storage/alauda.c'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/storage/alauda.c'>
<input type='hidden' name='id' value='69973b830859bc6529a7a0468ba0d80ee5117826'/><select name='qt'>
<option value='grep'>log msg</option>
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</select>
<input class='txt' type='search' size='10' name='q' value=''/>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=69973b830859bc6529a7a0468ba0d80ee5117826'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=69973b830859bc6529a7a0468ba0d80ee5117826'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=69973b830859bc6529a7a0468ba0d80ee5117826'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/storage?id=69973b830859bc6529a7a0468ba0d80ee5117826'>storage</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826'>alauda.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='69973b830859bc6529a7a0468ba0d80ee5117826'/><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'>2016-12-11 11:17:54 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-11 11:17:54 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826'>69973b830859bc6529a7a0468ba0d80ee5117826</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=69973b830859bc6529a7a0468ba0d80ee5117826'>5f11fe15ed9d9a3ab9c92242030e54b73ecdce45</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826'>drivers/usb/storage/alauda.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/storage/alauda.c?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>2e4333c14de06a333783d6812cf3c4998f78b0c8</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/storage/alauda.c?id=69973b830859bc6529a7a0468ba0d80ee5117826&amp;id2=2e4333c14de06a333783d6812cf3c4998f78b0c8'>diff</a>)</td></tr></table>
<div class='commit-subject'>Linux 4.9</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=69973b830859bc6529a7a0468ba0d80ee5117826'>Diffstat</a> (limited to 'drivers/usb/storage/alauda.c')</div><table summary='diffstat' class='diffstat'>