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[or-cvs] r18220: {tor} Update 'sd' to allow users to select v2 or v3 protocols when (tor/trunk/contrib)



Author: ioerror
Date: 2009-01-22 00:50:19 -0500 (Thu, 22 Jan 2009)
New Revision: 18220

Modified:
   tor/trunk/contrib/sd
Log:
Update 'sd' to allow users to select v2 or v3 protocols when looking up a node name. Default to v2. Either way, we're using Weasel's DA.


Modified: tor/trunk/contrib/sd
===================================================================
--- tor/trunk/contrib/sd	2009-01-22 00:14:55 UTC (rev 18219)
+++ tor/trunk/contrib/sd	2009-01-22 05:50:19 UTC (rev 18220)
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # Copyright (c) 2005, 2006, 2007, 2008 Peter Palfrader <peter@xxxxxxxxxxxxx>
-# Copyright (c) 2008 Jacob Appelbaum <jacob@xxxxxxxxxxxxx>
+# Copyright (c) 2008, 2009 Jacob Appelbaum <jacob@xxxxxxxxxxxxx>
 #
 # Permission is hereby granted, free of charge, to any person obtaining
 # a copy of this software and associated documentation files (the
@@ -28,26 +28,57 @@
 # dotfile from weasel and adapted to be a small bash utility.
 # 
 
-set -u;
-set -e;
-
 # Feel free to set any authority you desire, we're using weasel's by default
 # You could also try the v3 directory infomation in weasel's dir authority:
 # http://tor.noreply.org/tor/status-vote/current/consensus
 #
-authority="http://tor.noreply.org:80/tor/status/authority";;
 
-nickname="$1";
+# Users can select between the two
+v3authority="http://tor.noreply.org/tor/status-vote/current/consensus";;
+v2authority="http://tor.noreply.org:80/tor/status/authority";;
+authority=$v2authority;
 
+function usage {
+    echo "Usage: $0 [-2|-3] nodenickname";
+}
+
+if [ -z "$1" ];
+then
+    usage;
+    exit;
+fi
+
+# Are we switching between v2 or v3?
+if [ "$1" == "-2" -o "$1" == "-3" ];
+then
+    if [ "$1" == "-2" -a -n "$2" ]; 
+    then    
+        authority=$v2authority;
+        nickname="$2";
+    elif [ "$1" == "-3" -a -n "$2" ];
+    then
+        authority=$v3authority;
+        nickname="$2";
+    else
+        usage;
+        exit;
+    fi
+else
+    nickname="$1";
+fi
+
+# Fetch it and decode the fingerprint 
 fp=`wget -q -O - $authority | \
 	awk '$1 == "r" && $2 == "'$nickname'" {printf "%s===", $3}' | \
 	perl -MMIME::Base64 -e "print unpack(\"H*\", decode_base64(<>)),\"\n\"";`
 
+# If we don't have a fingerprint, we don't have a match
 if [ "$fp" != "" ];
 then
 	wget -q -O - http://tor.noreply.org:80/tor/server/fp/$fp;
 	exit $?;	
 else
-	echo "It appears the nickname is not currently known by the directory authority.";
+	echo "It appears the nickname is not currently known by the directory" \
+         "authority."
 	exit 1;
 fi