print-vjc.c | searchcode

/opensource.apple.com/source/tcpdump/tcpdump-7/tcpdump/print-vjc.c

#
C | 102 lines | 76 code | 8 blank | 18 comment | 0 complexity | 7eb8c46dacbe4cc6e3b1d3b12619b777 MD5 | raw file
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<h1 style="margin:8px;" id="f1">print-vjc.c&nbsp;&nbsp;&nbsp;<span style="font-weight: normal; font-size: 0.5em;">[<a href="?txt">plain text</a>]</span></h1>
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<span class="enscript-comment">/*
 * Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996, 1997
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that: (1) source code distributions
 * retain the above copyright notice and this paragraph in its entirety, (2)
 * distributions including binary code include the above copyright notice and
 * this paragraph in its entirety in the documentation or other materials
 * provided with the distribution, and (3) all advertising materials mentioning
 * features or use of this software display the following acknowledgement:
 * ``This product includes software developed by the University of California,
 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
 * the University nor the names of its contributors may be used to endorse
 * or promote products derived from this software without specific prior
 * written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */</span>

#<span class="enscript-reference">ifdef</span> <span class="enscript-variable-name">HAVE_CONFIG_H</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;config.h&quot;</span>
#<span class="enscript-reference">endif</span>

#<span class="enscript-reference">ifndef</span> <span class="enscript-variable-name">lint</span>
<span class="enscript-type">static</span> <span class="enscript-type">const</span> <span class="enscript-type">char</span> rcsid[] =
    <span class="enscript-string">&quot;@(#) $Header: /cvs/root/tcpdump/tcpdump/print-vjc.c,v 1.1.1.2 2003/03/17 18:42:20 rbraun Exp $ (LBL)&quot;</span>;
#<span class="enscript-reference">endif</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&lt;tcpdump-stdinc.h&gt;</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&lt;pcap.h&gt;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&lt;stdio.h&gt;</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;interface.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;addrtoname.h&quot;</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;slcompress.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;ppp.h&quot;</span>

<span class="enscript-type">int</span>
<span class="enscript-function-name">vjc_print</span>(<span class="enscript-type">register</span> <span class="enscript-type">const</span> <span class="enscript-type">char</span> *bp, u_short proto)
{
	<span class="enscript-type">int</span> i;

	<span class="enscript-keyword">switch</span> (bp[0] &amp; 0xf0) {
	<span class="enscript-keyword">case</span> <span class="enscript-reference">TYPE_IP</span>:
		<span class="enscript-keyword">if</span> (eflag)
			printf(<span class="enscript-string">&quot;(vjc type=IP) &quot;</span>);
		<span class="enscript-keyword">return</span> PPP_IP;
	<span class="enscript-keyword">case</span> <span class="enscript-reference">TYPE_UNCOMPRESSED_TCP</span>:
		<span class="enscript-keyword">if</span> (eflag)
			printf(<span class="enscript-string">&quot;(vjc type=raw TCP) &quot;</span>);
		<span class="enscript-keyword">return</span> PPP_IP;
	<span class="enscript-keyword">case</span> <span class="enscript-reference">TYPE_COMPRESSED_TCP</span>:
		<span class="enscript-keyword">if</span> (eflag)
			printf(<span class="enscript-string">&quot;(vjc type=compressed TCP) &quot;</span>);
		<span class="enscript-keyword">for</span> (i = 0; i &lt; 8; i++) {
			<span class="enscript-keyword">if</span> (bp[1] &amp; (0x80 &gt;&gt; i))
				printf(<span class="enscript-string">&quot;%c&quot;</span>, <span class="enscript-string">&quot;?CI?SAWU&quot;</span>[i]);
		}
		<span class="enscript-keyword">if</span> (bp[1])
			printf(<span class="enscript-string">&quot; &quot;</span>);
		printf(<span class="enscript-string">&quot;C=0x%02x &quot;</span>, bp[2]);
		printf(<span class="enscript-string">&quot;sum=0x%04x &quot;</span>, *(u_short *)&amp;bp[3]);
		<span class="enscript-keyword">return</span> -1;
	<span class="enscript-keyword">case</span> <span class="enscript-reference">TYPE_ERROR</span>:
		<span class="enscript-keyword">if</span> (eflag)
			printf(<span class="enscript-string">&quot;(vjc type=error) &quot;</span>);
		<span class="enscript-keyword">return</span> -1;
	<span class="enscript-reference">default</span>:
		<span class="enscript-keyword">if</span> (eflag)
			printf(<span class="enscript-string">&quot;(vjc type=0x%02x) &quot;</span>, bp[0] &amp; 0xf0);
		<span class="enscript-keyword">return</span> -1;
	}
}
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