commit 8a18185d9b2b353fd1442c1603518df2c3586f89 Author: David Fifield david@bamsoftware.com Date: Sun Oct 30 22:57:10 2011 -0700

Add local and remote proxy switching experiments.

These are mainly copied from the paper branch, but they use the nicer new common.sh test infrastructure and are easier to run. --- experiments/common.sh | 1 + experiments/switching/local-http-alternating.sh | 61 +++++++++++++++++++++++ experiments/switching/local-http-constant.sh | 56 +++++++++++++++++++++ experiments/switching/proxy-loop.sh | 38 ++++++++++++++ experiments/switching/remote-tor-alternating.sh | 57 +++++++++++++++++++++ experiments/switching/remote-tor-constant.sh | 52 +++++++++++++++++++ 6 files changed, 265 insertions(+), 0 deletions(-)

diff --git a/experiments/common.sh b/experiments/common.sh index 6f2deea..7e5d0a4 100644 --- a/experiments/common.sh +++ b/experiments/common.sh @@ -4,6 +4,7 @@ FIREFOX=firefox SOCAT=socat THTTPD=thttpd +TOR=tor

visible_sleep() { N="$1" diff --git a/experiments/switching/local-http-alternating.sh b/experiments/switching/local-http-alternating.sh new file mode 100755 index 0000000..d83651a --- /dev/null +++ b/experiments/switching/local-http-alternating.sh @@ -0,0 +1,61 @@ +#!/bin/sh + +# Usage: ./local-http-alternating.sh +# +# Tests a download over alternating flash proxies. + +. ../common.sh + +FLASHPROXY_DIR=../../../flashproxy + +PROFILE_1=flashexp1 +PROFILE_2=flashexp2 +PROXY_URL="http://localhost:8000/swfcat.swf?facilitator=127.0.0.1:9002" +DATA_FILE_NAME="$FLASHPROXY_DIR/dump" + +# Declare an array. +declare -a PIDS_TO_KILL +stop() { + browser_clear "$PROFILE_1" + browser_clear "$PROFILE_2" + if [ -n "${PIDS_TO_KILL[*]}" ]; then + echo "Kill pids ${PIDS_TO_KILL[@]}." + kill "${PIDS_TO_KILL[@]}" + fi + echo "Delete data file." + rm -f "$DATA_FILE_NAME" + exit +} +trap stop EXIT + +echo "Create data file." +dd if=/dev/null of="$DATA_FILE_NAME" bs=1M seek=1024 2>/dev/null || exit + +echo "Start web server." +"$THTTPD" -D -d "$FLASHPROXY_DIR" -p 8000 & +PIDS_TO_KILL+=($!) + +echo "Start facilitator." +"$FLASHPROXY_DIR"/facilitator.py -d --relay 127.0.0.1:8000 >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 2 + +echo "Start connector." +"$FLASHPROXY_DIR"/connector.py --facilitator 127.0.0.1 >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 1 + +echo "Start browsers." +ensure_browser_started "$PROFILE_1" +ensure_browser_started "$PROFILE_2" + +./proxy-loop.sh "$PROXY_URL" "$PROFILE_1" "$PROFILE_2" >/dev/null 2>&1 & +PIDS_TO_KILL+=($!) +visible_sleep 1 + +echo "Start socat." +"$SOCAT" TCP-LISTEN:2000,reuseaddr,fork SOCKS4A:localhost:dummy:0,socksport=9001 & +PIDS_TO_KILL+=($!) +visible_sleep 1 + +time wget http://localhost:2000/dump -t 0 -O /dev/null diff --git a/experiments/switching/local-http-constant.sh b/experiments/switching/local-http-constant.sh new file mode 100755 index 0000000..b551140 --- /dev/null +++ b/experiments/switching/local-http-constant.sh @@ -0,0 +1,56 @@ +#!/bin/sh + +# Usage: ./local-http-constant.sh +# +# Tests a download over an uninterrupted flash proxy. + +. ../common.sh + +FLASHPROXY_DIR=../../../flashproxy + +PROFILE_1=flashexp1 +PROFILE_2=flashexp2 +PROXY_URL="http://localhost:8000/swfcat.swf?facilitator=127.0.0.1:9002" +DATA_FILE_NAME="$FLASHPROXY_DIR/dump" + +# Declare an array. +declare -a PIDS_TO_KILL +stop() { + browser_clear "$PROFILE_1" + browser_clear "$PROFILE_2" + if [ -n "${PIDS_TO_KILL[*]}" ]; then + echo "Kill pids ${PIDS_TO_KILL[@]}." + kill "${PIDS_TO_KILL[@]}" + fi + echo "Delete data file." + rm -f "$DATA_FILE_NAME" + exit +} +trap stop EXIT + +echo "Create data file." +dd if=/dev/null of="$DATA_FILE_NAME" bs=1M seek=1024 2>/dev/null || exit + +echo "Start web server." +"$THTTPD" -D -d "$FLASHPROXY_DIR" -p 8000 & +PIDS_TO_KILL+=($!) + +echo "Start facilitator." +"$FLASHPROXY_DIR"/facilitator.py -d --relay 127.0.0.1:8000 >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 2 + +echo "Start connector." +"$FLASHPROXY_DIR"/connector.py --facilitator 127.0.0.1 >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 1 + +echo "Start browser." +browser_goto "$PROFILE_1" "$PROXY_URL" + +echo "Start socat." +"$SOCAT" TCP-LISTEN:2000,reuseaddr,fork SOCKS4A:localhost:dummy:0,socksport=9001 & +PIDS_TO_KILL+=($!) +visible_sleep 1 + +time wget http://localhost:2000/dump -t 0 -O /dev/null diff --git a/experiments/switching/proxy-loop.sh b/experiments/switching/proxy-loop.sh new file mode 100755 index 0000000..3c3b78a --- /dev/null +++ b/experiments/switching/proxy-loop.sh @@ -0,0 +1,38 @@ +#!/bin/bash + +# Runs overlapping flash proxy instances in a loop. +# Usage: /proxy-loop.sh <URL> PROFILE1 PROFILE2 + +# The profiles need to have the open_newwindow configuration option set +# properly. See ../README. +# browser.link.open_newwindow=1 (default is 3) + +. ../common.sh + +URL=$1 +PROFILE_1=$2 +PROFILE_2=$3 + +# OVERLAP must be at most half of PERIOD. +PERIOD=10 +OVERLAP=2 + +ensure_browser_started "$PROFILE_1" +browser_clear "$PROFILE_1" +ensure_browser_started "$PROFILE_2" +browser_clear "$PROFILE_2" + +while true; do + echo "1 on" + firefox -P "$PROFILE_1" -remote "openurl($URL)" + sleep $OVERLAP + echo "2 off" + firefox -P "$PROFILE_2" -remote "openurl(about:blank)" + sleep $(($PERIOD - (2 * $OVERLAP))) + echo "2 on" + firefox -P "$PROFILE_2" -remote "openurl($URL)" + sleep $OVERLAP + echo "1 off" + firefox -P "$PROFILE_1" -remote "openurl(about:blank)" + sleep $(($PERIOD - (2 * $OVERLAP))) +done diff --git a/experiments/switching/remote-tor-alternating.sh b/experiments/switching/remote-tor-alternating.sh new file mode 100755 index 0000000..e7c14fd --- /dev/null +++ b/experiments/switching/remote-tor-alternating.sh @@ -0,0 +1,57 @@ +#!/bin/sh + +# Usage: ./remote-tor-alternating.sh +# +# Tests a Tor download over alternating flash proxies. + +. ../common.sh + +FLASHPROXY_DIR=../../../flashproxy + +PROFILE_1=flashexp1 +PROFILE_2=flashexp2 +PROXY_URL="http://localhost:8000/swfcat.swf?facilitator=127.0.0.1:9002" +DATA_FILE_NAME="$FLASHPROXY_DIR/dump" + +# Declare an array. +declare -a PIDS_TO_KILL +stop() { + browser_clear "$PROFILE_1" + browser_clear "$PROFILE_2" + if [ -n "${PIDS_TO_KILL[*]}" ]; then + echo "Kill pids ${PIDS_TO_KILL[@]}." + kill "${PIDS_TO_KILL[@]}" + fi + exit +} +trap stop EXIT + +echo "Start web server." +"$THTTPD" -D -d "$FLASHPROXY_DIR" -p 8000 & +PIDS_TO_KILL+=($!) + +echo "Start facilitator." +"$FLASHPROXY_DIR"/facilitator.py -d --relay tor1.bamsoftware.com >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 2 + +echo "Start connector." +"$FLASHPROXY_DIR"/connector.py --facilitator 127.0.0.1 >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 1 + +echo "Start Tor." +"$TOR" -f "$FLASHPROXY_DIR"/torrc & +PIDS_TO_KILL+=($!) + +echo "Start browsers." +ensure_browser_started "$PROFILE_1" +ensure_browser_started "$PROFILE_2" + +./proxy-loop.sh "$PROXY_URL" "$PROFILE_1" "$PROFILE_2" >/dev/null 2>&1 & +PIDS_TO_KILL+=($!) + +# Let Tor bootstrap. +visible_sleep 15 + +time torify wget http://torperf.torproject.org/.5mbfile -t 0 -O /dev/null diff --git a/experiments/switching/remote-tor-constant.sh b/experiments/switching/remote-tor-constant.sh new file mode 100755 index 0000000..0f84a06 --- /dev/null +++ b/experiments/switching/remote-tor-constant.sh @@ -0,0 +1,52 @@ +#!/bin/sh + +# Usage: ./remote-tor-constant.sh +# +# Tests a Tor download over an uninterrupted flash proxy. + +. ../common.sh + +FLASHPROXY_DIR=../../../flashproxy + +PROFILE_1=flashexp1 +PROFILE_2=flashexp2 +PROXY_URL="http://localhost:8000/swfcat.swf?facilitator=127.0.0.1:9002" +DATA_FILE_NAME="$FLASHPROXY_DIR/dump" + +# Declare an array. +declare -a PIDS_TO_KILL +stop() { + browser_clear "$PROFILE_1" + if [ -n "${PIDS_TO_KILL[*]}" ]; then + echo "Kill pids ${PIDS_TO_KILL[@]}." + kill "${PIDS_TO_KILL[@]}" + fi + exit +} +trap stop EXIT + +echo "Start web server." +"$THTTPD" -D -d "$FLASHPROXY_DIR" -p 8000 & +PIDS_TO_KILL+=($!) + +echo "Start facilitator." +"$FLASHPROXY_DIR"/facilitator.py -d --relay tor1.bamsoftware.com >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 2 + +echo "Start connector." +"$FLASHPROXY_DIR"/connector.py --facilitator 127.0.0.1 >/dev/null & +PIDS_TO_KILL+=($!) +visible_sleep 1 + +echo "Start Tor." +"$TOR" -f "$FLASHPROXY_DIR"/torrc & +PIDS_TO_KILL+=($!) + +echo "Start browsers." +browser_goto "$PROFILE_1" "$PROXY_URL" + +# Let Tor bootstrap. +visible_sleep 15 + +time torify wget http://torperf.torproject.org/.5mbfile -t 0 -O /dev/null