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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.

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svn:r18220
This commit is contained in:
Jacob Appelbaum 2009-01-22 05:50:19 +00:00
parent 8ebceeb352
commit 1ac3e2abce
1 changed files with 38 additions and 7 deletions
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45
contrib/sd
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@ -1,7 +1,7 @@
#!/bin/bash
#
# Copyright (c) 2005, 2006, 2007, 2008 Peter Palfrader <peter@palfrader.org>
# Copyright (c) 2008 Jacob Appelbaum <jacob@appelbaum.net>
# Copyright (c) 2008, 2009 Jacob Appelbaum <jacob@appelbaum.net>
#
# 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