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cipherscan
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restore `timeout` 

some servers have port 443 open but won't reply to ClientHello
requests, this hangs openssl s_client, as such we need to kill it
after some timeout
master^2
Hubert Kario 2014-05-09 12:00:53 +02:00
parent 325329d1ad
commit d7b99f125e
1 changed files with 5 additions and 4 deletions
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cipherscan
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@ -18,6 +18,7 @@ VERBOSE=0
DELAY=0
ALLCIPHERS=0
OUTPUTFORMAT="terminal"
TIMEOUT=10
usage() {
@ -140,7 +141,7 @@ test_cipher_on_target() {
# Calculate the average handshake time for a specific ciphersuite
bench_cipher() {
local ciphersuite="$1"
local sslcommand="$OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
local sslcommand="timeout $TIMEOUT $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 $BENCHMARKITER); do
@ -164,9 +165,9 @@ get_cipher_pref() {
[ "$OUTPUTFORMAT" == "terminal" ] && [ $DEBUG -lt 1 ] && echo -n '.'
local ciphersuite="$1"
if [ -e $CACERTS ]; then
local sslcommand="$OPENSSLBIN s_client -CAfile $CACERTS $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
local sslcommand="timeout $TIMEOUT $OPENSSLBIN s_client -CAfile $CACERTS $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
else
local sslcommand="$OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
local sslcommand="timeout $TIMEOUT $OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
fi
verbose "Connecting to '$TARGET' with ciphersuite '$ciphersuite'"
test_cipher_on_target "$sslcommand"
@ -368,7 +369,7 @@ if [ $ALLCIPHERS -gt 0 ]; then
echo; echo "All accepted ciphersuites"
for c in $($OPENSSLBIN ciphers -v ALL:COMPLEMENTOFALL 2>/dev/null |awk '{print $1}'|sort|uniq); do
r="fail"
osslcommand="$OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $c"
osslcommand="timeout $TIMEOUT $OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $c"
test_cipher_on_target "$osslcommand"
if [ $? -eq 0 ]; then
r="pass"