LittleNellie/cipherscan
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Cleaning up old style, fixing --allciphers

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Michael Zeltner 2014-04-04 20:46:40 -04:00
parent bf48cd2a3c
commit 05bd24b405
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1 changed files with 7 additions and 31 deletions
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cipherscan
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@ -8,19 +8,12 @@
DOBENCHMARK=0
BENCHMARKITER=30
OPENSSLBIN="$(dirname $0)/openssl"
TIMEOUT=10
CIPHERSUITE="ALL:COMPLEMENTOFALL"
DEBUG=0
VERBOSE=0
DELAY=0
ALLCIPHERS=0
OUTPUTFORMAT="terminal"
REQUEST="GET / HTTP/1.1
Host: $TARGET
Connection: close
"
usage() {
@ -73,11 +66,8 @@ test_cipher_on_target() {
pfs=""
for tls_version in "-ssl2" "-ssl3" "-tls1" "-tls1_1" "-tls1_2"
do
# echo "$sslcommand $tls_version"
local tmp=$($sslcommand $tls_version 1>/dev/stdout 2>/dev/null << EOF
$REQUEST
EOF
)
debug echo \"quit\\n\" \| $sslcommand $tls_version
local tmp=$(echo "quit\n" | $sslcommand $tls_version 1>/dev/stdout 2>/dev/null)
current_cipher=$(grep "New, " <<<"$tmp"|awk '{print $5}')
current_pfs=$(grep 'Server Temp Key' <<<"$tmp"|awk '{print $4$5$6$7}')
current_protocol=$(egrep "^\s+Protocol\s+:" <<<"$tmp"|awk '{print $3}')
@ -120,13 +110,12 @@ EOF
# Calculate the average handshake time for a specific ciphersuite
bench_cipher() {
local ciphersuite="$1"
local sslcommand='echo "quit\n" | $OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $ciphersuite'
local sslcommand="$OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
local t="$(date +%s%N)"
verbose "Benchmarking handshake on '$TARGET' with ciphersuite '$ciphersuite'"
for i in $(seq 1 $BENCHMARKITER); do
($sslcommand 2>/dev/null 1>/dev/null) << EOF
$REQUEST
EOF
debug Connection $i
(echo "quit\n" | $sslcommand 2>/dev/null 1>/dev/null)
if [ $? -gt 0 ]; then
break
fi
@ -142,7 +131,7 @@ EOF
# Connect to the target and retrieve the chosen cipher
# recursively until the connection fails
get_cipher_pref() {
[ "$OUTPUTFORMAT" == "terminal" ] && echo -n '.'
[ "$OUTPUTFORMAT" == "terminal" ] && [ $DEBUG -lt 1 ] && echo -n '.'
local ciphersuite="$1"
local sslcommand="$OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
verbose "Connecting to '$TARGET' with ciphersuite '$ciphersuite'"
@ -263,19 +252,6 @@ if [ $VERBOSE != 0 ] ; then
$OPENSSLBIN ciphers ALL 2>/dev/null
fi
#[[ -z $1 || "$1" == "-h" || "$1" == "--help" ]] && usage
# if [ ! -z $2 ]; then
# if [ "$1" == "-v" ]; then
# VERBOSE=1
# echo "Loading $($OPENSSLBIN ciphers -v $CIPHERSUITE 2>/dev/null|grep Kx|wc -l) ciphersuites from $(echo -n $($OPENSSLBIN version 2>/dev/null))"
# $OPENSSLBIN ciphers ALL 2>/dev/null
# elif [ "$1" == "-a" ]; then
# ALLCIPHERS=1
# elif [ "$1" == "-json" ]; then
# OUTPUTFORMAT="json"
# fi
# fi
# echo paramters left: $@
TEMPTARGET=$(sed -e 's/^.* //'<<<"${@}")
@ -316,7 +292,7 @@ if [ $ALLCIPHERS -gt 0 ]; then
echo; echo "All accepted ciphersuites"
for c in $($OPENSSLBIN ciphers -v ALL:COMPLEMENTOFALL 2>/dev/null |awk '{print $1}'|sort|uniq); do
r="fail"
osslcommand='echo "quit\n" | $OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $c'
osslcommand="$OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $c"
test_cipher_on_target "$osslcommand"
if [ $? -eq 0 ]; then
r="pass"