commit f76325a6ba1a1b5b91323942ebd1759180b2257d Author: Linda Briesemeister linda.briesemeister@sri.com Date: Thu Nov 17 22:24:48 2011 +0000

Linda's start script for obfsproxy server and client

git-svn-id: svn+ssh://spartan.csl.sri.com/svn/private/DEFIANCE@147 a58ff0ac-194c-e011-a152-003048836090 --- start-obfsproxy.sh | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 120 insertions(+), 0 deletions(-)

diff --git a/start-obfsproxy.sh b/start-obfsproxy.sh new file mode 100755 index 0000000..06439fe --- /dev/null +++ b/start-obfsproxy.sh @@ -0,0 +1,120 @@ +#!/bin/bash + +ODIR=~/src/DEFIANCE/stegotorus + +################################################################################ +# helper functions: + +usage () { +if [ $# -gt 0 ]; then + echo " *** ERROR: $1" +fi +cat << EOF + +usage: $0 <OPTIONS> [server|client] [install-dir] + +Start obfsproxy server or client with given options. If the optional install-dir +is given, override the value set in the script. + +OPTIONS: + -h Show this message + -i <addr> IP address (default: 127.0.0.1) + -p <n> port number (default: 8080) + -l <severity> Log severity: warn, error, debug (default: debug) + -b <host> Host name (or IP address) of Tor Bridge + with port number attached via ':' or omitted + (default: 87.73.82.145:8080) + -n <n> Multiply the number of IP addresses on the client +EOF +} + +################################################################################ +# parse command line: + +# default values: +IP=127.0.0.1 +PORT=8080 +N=1 +LOG=debug +BRIDGE_IP=87.73.82.145 +BRIDGE_PORT=8080 +while getopts "hi:p:l:b:n:" OPTION +do + case $OPTION in + h|?) + usage; exit 1 + ;; + i) + IP=$OPTARG + ;; + p) + PORT=$OPTARG + ;; + n) + N=$OPTARG + ;; + l) + LOG=`echo $OPTARG | tr '[A-Z]' '[a-z]'` # make lower case + ;; + b) + arr=(${OPTARG//:/ }) + BRIDGE_IP=${arr[0]} + if [ ${#arr[@]} -gt 1 ]; then + BRIDGE_PORT=${arr[1]} + fi + ;; + esac + shift $((OPTIND-1)); OPTIND=1 +done + +# test if $LOG is valid +case $LOG in + debug|warn|error) + ;; + *) + usage "Unknown log level given: $LOG"; exit 1 + ;; +esac + +# now $@ has remaining arguments: +if [ $# -lt 1 ]; then + usage "need 'server' or 'client' as argument"; exit 1 +fi +TYPE=`echo $1 | tr '[A-Z]' '[a-z]'` # turn argument into lower case +case $TYPE in + server|client) + ;; + *) + usage "argument $1 not recognized"; exit 1 + ;; +esac + +# check optional install location given as an argument +if [ $# -gt 1 ]; then + if [[ ! -d $2 ]]; then + usage "argument $2 is not a directory"; exit 1 + fi + if [[ ! -x $2/obfsproxy ]]; then + usage "directory $2 does not contain executable of 'obfsproxy'"; exit 1 + fi + ODIR=$2 +fi + +################################################################################ +# start obfsproxy + +echo "Using obfsproxy in "$ODIR"" +cd $ODIR +export EVENT_NOKQUEUE=yes +case $TYPE in + server) + ./obfsproxy --log-min-severity=$LOG chop server $BRIDGE_IP:$BRIDGE_PORT $IP:$PORT + ;; + client) + IPS="" + for (( c=1; c<=$N; c++)) ; do + IPS="${IPS}${IP}:${PORT} x_http2 " ; + done + ./obfsproxy --log-min-severity=$LOG chop socks 127.0.0.1:1080 $IPS + ;; +esac