copy from intranet.

3 files changed, 575 insertions, 0 deletions

diff --git a/scripts/Makefile.am b/scripts/Makefile.am
new file mode 100644
index 0000000..4e297cc
--- /dev/null
+++ b/scripts/Makefile.am
@@ -0,0 +1,4 @@
+
+EXTRA_DIST = dlt2name.pl
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/scripts/Makefile.in b/scripts/Makefile.in
new file mode 100644
index 0000000..77e9a5e
--- /dev/null
+++ b/scripts/Makefile.in
@@ -0,0 +1,385 @@
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+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
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+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
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+clean-am: clean-generic clean-libtool mostlyclean-am
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+	-rm -f Makefile
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/scripts/dlt2name.pl b/scripts/dlt2name.pl
new file mode 100644
index 0000000..f10dbbc
--- /dev/null
+++ b/scripts/dlt2name.pl
@@ -0,0 +1,186 @@
+#!/usr/bin/perl -w
+
+# Parses the bpf.h header file to generate the dlt_names.h header
+# which maps the DLT types to the DLT string name
+
+# run from the tcpreplay source base directory as:
+# cat /usr/include/pcap-bpf.h | ./scripts/dlt2name.pl
+
+use strict;
+my $out_c = 'src/common/dlt_names.c';
+my $out_h = 'src/common/dlt_names.h';
+
+# open outfile
+open(OUT_C, ">$out_c") or die("Unable to open $out_c for writing: $!");
+open(OUT_H, ">$out_h") or die("Unable to open $out_h for writing: $!");
+
+# read STDIN
+
+# some DLT types aren't in a format we can parse easily or just doesn't
+# exist in my /usr/include/net/bpf.h file so we list them here
+my %known = (107 => 'BSD/OS Frame Relay',
+             108 => 'OpenBSD Loopback',
+             113 => 'Linux Cooked Sockets',
+             114 => 'Apple LocalTalk',
+             115 => 'Acorn Econet',
+             116 => 'OpenBSD IPFilter',
+             117 => 'OpenBSD PF Log/SuSE 6.3 LANE 802.3',
+             118 => 'Cisco IOS',
+             119 => '802.11 Prism Header',
+             120 => '802.11 Aironet Header',
+             121 => 'Siemens HiPath HDLC',
+             122 => 'IP over Fibre Channel'
+            );
+my @names;
+
+# put our known DLT types in names since the format of bpf.h is 
+# inconsistent
+
+foreach my $dlt (keys %known) {
+  $names[$dlt]{name} = $known{$dlt};
+}
+
+while (my $line = <STDIN>) {
+
+  if ($line =~ /^\#define\s+(DLT_[a-zA-Z0-9_]+)\s+(\d+)/) {
+    my $key = $1;
+    my $dlt = $2;
+    my $name = $names[$dlt]{name} ? $names[$dlt]{name} : "";
+    if ($line =~ /\/\*\s+(.*)\s+\*\//) {
+      $name = $1;
+    }
+    $names[$dlt]{key} = $key;
+    $names[$dlt]{name} = $name;
+  }
+
+}
+
+# print the license info 
+while (my $line = <DATA>) {
+    print OUT_C $line;
+    print OUT_H $line;
+}
+
+# prep the header
+print OUT_C <<HEADER;
+
+#include <stdlib.h>
+
+/* DLT to descriptions */
+char *dlt2desc[] = {
+HEADER
+
+for (my $i = 0; $i < $#names; $i ++) {
+  if (! defined $names[$i]) {
+    print OUT_C "\t\t\"Unknown\",\n";
+  } else {
+    print OUT_C "\t\t\"$names[$i]->{name}\",\n";
+  }
+}
+
+print OUT_C <<FOOTER;
+\t\tNULL
+};
+
+FOOTER
+
+print OUT_H <<HEADER;
+
+/* include all the DLT types form pcap-bpf.h */
+
+extern const char *dlt2desc[];
+extern const char *dlt2name[];
+#define DLT2DESC_LEN $#names
+#define DLT2NAME_LEN $#names
+
+HEADER
+
+for (my $i = 0; $i < 255; $i++) {
+    next if ! defined $names[$i];
+    print OUT_H "#ifndef $names[$i]{key}\n#define $names[$i]{key} $i\n#endif\n\n";
+}
+
+print OUT_C <<NAMES;
+
+/* DLT to names */
+char *dlt2name[] = {
+NAMES
+
+for (my $i = 0; $i < 255; $i++) {
+    if (! defined $names[$i]) {
+        print OUT_C "\t\t\"Unknown\",\n";
+    } else {
+        print OUT_C "\t\t\"$names[$i]{key}\",\n";
+    }
+}
+
+print OUT_C <<FOOTER;
+\t\tNULL
+};
+FOOTER
+
+close OUT_C;
+close OUT_H;
+
+exit 0;
+
+__DATA__
+/*
+ * Copyright (c) 2006 Aaron Turner
+ * All rights reserved.
+ *
+ * This file is generated by scripts/dlt2name.pl which converts your pcap-bpf.h
+ * header file which comes with libpcap into a header file
+ * which translates DLT values to their string names as well as a list of all
+ * of the available DLT types.
+ *
+ * Hence DO NOT EDIT THIS FILE!
+ * If your DLT type is not listed here, edit the %known hash in
+ * scripts/dlt2name.pl
+ * 
+ * This file contains data which was taken from libpcap's pcap-bpf.h.  
+ * The copyright/license is included below:
+ */
+ 
+ /*-
+  * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+  *      The Regents of the University of California.  All rights reserved.
+  *
+  * This code is derived from the Stanford/CMU enet packet filter,
+  * (net/enet.c) distributed as part of 4.3BSD, and code contributed
+  * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 
+  * Berkeley Laboratory.
+  *
+  * Redistribution and use in source and binary forms, with or without
+  * modification, are permitted provided that the following conditions
+  * are met:
+  * 1. Redistributions of source code must retain the above copyright
+  *    notice, this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright
+  *    notice, this list of conditions and the following disclaimer in the
+  *    documentation and/or other materials provided with the distribution.
+  * 3. All advertising materials mentioning features or use of this software
+  *    must display the following acknowledgement:
+  *      This product includes software developed by the University of
+  *      California, Berkeley and its contributors.
+  * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+  * SUCH DAMAGE.
+  *
+  *      @(#)bpf.h       7.1 (Berkeley) 5/7/91
+  *
+  * @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.34.2.6 2005/08/13 22:29:47 hannes Exp $ (LBL)
+  */
+