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support spaces in openssl path

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fixes #78
This commit is contained in:
Hubert Kario 2018-05-19 20:25:43 +02:00
parent 528e94d613
commit 4890e26910
1 changed files with 150 additions and 141 deletions
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cipherscan
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@ -37,7 +37,7 @@ else
echo "greadlink not found. (try: brew install coreutils)" 1>&2 echo "greadlink not found. (try: brew install coreutils)" 1>&2
exit 1 exit 1
fi fi
TIMEOUTBIN=$(which gtimeout 2>/dev/null) TIMEOUTBIN="$(which gtimeout 2>/dev/null)"
if [[ -z $TIMEOUTBIN ]]; then if [[ -z $TIMEOUTBIN ]]; then
echo "gtimeout not found. (try: brew install coreutils)" 1>&2 echo "gtimeout not found. (try: brew install coreutils)" 1>&2
exit 1 exit 1
@ -71,7 +71,7 @@ else
# Check for busybox, which has different arguments # Check for busybox, which has different arguments
TIMEOUTOUTPUT="$($TIMEOUTBIN --help 2>&1)" TIMEOUTOUTPUT="$($TIMEOUTBIN --help 2>&1)"
if [[ "$TIMEOUTOUTPUT" =~ BusyBox ]]; then if [[ "$TIMEOUTOUTPUT" =~ BusyBox ]]; then
TIMEOUTBIN="$TIMEOUTBIN -t" TIMEOUTBIN=("$TIMEOUTBIN" "-t")
fi fi
;; ;;
@ -343,7 +343,7 @@ get_curve_name() {
} }
c_hash() { c_hash() {
local h=$(${OPENSSLBIN} x509 -hash -noout -in "$1/$2" 2>/dev/null) local h=$("${OPENSSLBIN}" x509 -hash -noout -in "$1/$2" 2>/dev/null)
for ((num=0; num<=100; num++)) ; do for ((num=0; num<=100; num++)) ; do
if [[ $1/${h}.${num} -ef $2 ]]; then if [[ $1/${h}.${num} -ef $2 ]]; then
# file already linked, ignore # file already linked, ignore
@ -490,7 +490,7 @@ parse_openssl_output() {
# if we found any certs in output, process the first one and extract # if we found any certs in output, process the first one and extract
# the signature algorithm on it (it's the server's certificate) # the signature algorithm on it (it's the server's certificate)
if (( certs_found > 0 )); then if (( certs_found > 0 )); then
local ossl_out=$(${OPENSSLBIN} x509 -noout -text 2>/dev/null <<<"${current_raw_certificates[0]}") local ossl_out=$("${OPENSSLBIN}" x509 -noout -text 2>/dev/null <<<"${current_raw_certificates[0]}")
local regex='Signature Algorithm[^ ]+ +(.+$)' local regex='Signature Algorithm[^ ]+ +(.+$)'
while read data; do while read data; do
if [[ $data =~ $regex ]]; then if [[ $data =~ $regex ]]; then
@ -502,30 +502,31 @@ parse_openssl_output() {
# Connect to a target host with the selected ciphersuite # Connect to a target host with the selected ciphersuite
test_cipher_on_target() { test_cipher_on_target() {
local sslcommand="$*" local sslcommand=("$@")
cipher="" cipher=""
local cmnd="" local cmnd
protocols="" protocols=""
pfs="" pfs=""
previous_cipher="" previous_cipher=""
certificates="" certificates=""
for tls_version in "-ssl2" "-ssl3" "-tls1" "-tls1_1" "-tls1_2" for tls_version in "-ssl2" "-ssl3" "-tls1" "-tls1_1" "-tls1_2"
do do
cmnd=("${sslcommand[@]}")
# sslv2 client hello doesn't support SNI extension # sslv2 client hello doesn't support SNI extension
# in SSLv3 mode OpenSSL just ignores the setting so it's ok # in SSLv3 mode OpenSSL just ignores the setting so it's ok
# -status exception is ignored in SSLv2, go figure # -status exception is ignored in SSLv2, go figure
if [[ "$tls_version" == "-ssl2" ]]; then if [[ "$tls_version" == "-ssl2" ]]; then
if [[ "$sslcommand" =~ (.*)(-servername\ [^ ]*)(.*) ]]; then for i in "${!cmnd[@]}"; do
cmnd="${BASH_REMATCH[1]} ${BASH_REMATCH[3]}" if [[ ${cmnd[i]} = -servername ]]; then
else # remove option and its parameter
cmnd="$sslcommand" unset 'cmnd[i]'
fi unset 'cmnd[i+1]'
else fi
cmnd=$sslcommand done
fi fi
ratelimit ratelimit
debug echo \"Q\" \| $cmnd $tls_version debug echo \"Q\" \| "${cmnd[@]}" $tls_version
local tmp=$(echo "Q" | $cmnd $tls_version 1>/dev/stdout 2>/dev/null) local tmp=$(echo "Q" | "${cmnd[@]}" $tls_version 1>/dev/stdout 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "selected cipher is '$current_cipher'" verbose "selected cipher is '$current_cipher'"
@ -553,13 +554,13 @@ test_cipher_on_target() {
fi fi
# compute sha256 fingerprint of the certificate # compute sha256 fingerprint of the certificate
local sha256sum=($(${OPENSSLBIN} x509 -outform DER\ local sha256sum=($("${OPENSSLBIN}" x509 -outform DER\
<<<"$cert" 2>/dev/null |\ <<<"$cert" 2>/dev/null |\
${OPENSSLBIN} dgst -sha256 -r 2>/dev/null)) "${OPENSSLBIN}" dgst -sha256 -r 2>/dev/null))
# check if it is a CA certificate # check if it is a CA certificate
local isCA="False" local isCA="False"
if ${OPENSSLBIN} x509 -noout -text <<<"$cert" 2>/dev/null |\ if "${OPENSSLBIN}" x509 -noout -text <<<"$cert" 2>/dev/null |\
grep 'CA:TRUE' >/dev/null; then grep 'CA:TRUE' >/dev/null; then
isCA="True" isCA="True"
fi fi
@ -576,7 +577,7 @@ test_cipher_on_target() {
# unrelated certificates that are not trusted (including self # unrelated certificates that are not trusted (including self
# signed ones) # signed ones)
local saved="False" local saved="False"
if ${OPENSSLBIN} verify "${trust_source[@]}" \ if "${OPENSSLBIN}" verify "${trust_source[@]}" \
-untrusted <(printf "%s" "${current_raw_certificates[@]}") \ -untrusted <(printf "%s" "${current_raw_certificates[@]}") \
<(echo "$cert") 2>/dev/null | \ <(echo "$cert") 2>/dev/null | \
grep ': OK$' >/dev/null; then grep ': OK$' >/dev/null; then
@ -677,13 +678,15 @@ test_cipher_on_target() {
# Calculate the average handshake time for a specific ciphersuite # Calculate the average handshake time for a specific ciphersuite
bench_cipher() { bench_cipher() {
local ciphersuite="$1" local ciphersuite="$1"
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client $SCLIENTARGS" local sslcommand
sslcommand+=" -connect $TARGET -cipher $ciphersuite" sslcommand+=("${TIMEOUTBIN[@]}" "$TIMEOUT")
sslcommand+=("$OPENSSLBIN" "s_client" "${SCLIENTARGS[@]}")
sslcommand+=("-connect" "$TARGET" "-cipher" "$ciphersuite")
local t="$(date +%s%N)" local t="$(date +%s%N)"
verbose "Benchmarking handshake on '$TARGET' with ciphersuite '$ciphersuite'" verbose "Benchmarking handshake on '$TARGET' with ciphersuite '$ciphersuite'"
for i in $(seq 1 $BENCHMARKITER); do for i in $(seq 1 $BENCHMARKITER); do
debug "Connection $i" debug "Connection $i"
(echo "Q" | $sslcommand 2>/dev/null 1>/dev/null) (echo "Q" | "${sslcommand[@]}" 2>/dev/null 1>/dev/null)
if (( $? != 0 )); then if (( $? != 0 )); then
break break
fi fi
@ -701,18 +704,19 @@ get_cipher_pref() {
[[ "$OUTPUTFORMAT" == "terminal" ]] && [[ $DEBUG -lt 1 ]] && echo -n '.' [[ "$OUTPUTFORMAT" == "terminal" ]] && [[ $DEBUG -lt 1 ]] && echo -n '.'
local ciphersuite="$1" local ciphersuite="$1"
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand
sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [[ -n "$CAPATH" ]]; then if [[ -n "$CAPATH" ]]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [[ -e $CACERTS ]]; then elif [[ -e $CACERTS ]]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first -status $SCLIENTARGS -connect $TARGET" sslcommand+=("-trusted_first" "-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
sslcommand+=" -cipher $ciphersuite -nextprotoneg http/1.1" sslcommand+=("-cipher" "$ciphersuite" "-nextprotoneg" "http/1.1")
verbose "Connecting to '$TARGET' with ciphersuite '$ciphersuite'" verbose "Connecting to '$TARGET' with ciphersuite '$ciphersuite'"
# If the connection succeeded with the current cipher, benchmark and store # If the connection succeeded with the current cipher, benchmark and store
if test_cipher_on_target "$sslcommand"; then if test_cipher_on_target "${sslcommand[@]}"; then
cipherspref=("${cipherspref[@]}" "$result") cipherspref=("${cipherspref[@]}" "$result")
ciphercertificates=("${ciphercertificates[@]}" "$certificates") ciphercertificates=("${ciphercertificates[@]}" "$certificates")
pciph=($result) pciph=($result)
@ -1120,16 +1124,17 @@ test_serverside_ordering() {
join_array_by_char ':' "${ciphersuites[@]}" join_array_by_char ':' "${ciphersuites[@]}"
ciphersuite="$joined_array" ciphersuite="$joined_array"
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand
sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [[ -n "$CAPATH" ]]; then if [[ -n "$CAPATH" ]]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [[ -e "$CACERTS" ]]; then elif [[ -e "$CACERTS" ]]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first -status $SCLIENTARGS -connect $TARGET" sslcommand+=("-trusted_first" "-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
sslcommand+=" -cipher $ciphersuite" sslcommand+=("-cipher" "$ciphersuite")
test_cipher_on_target "$sslcommand" test_cipher_on_target "${sslcommand[@]}"
if (( $? != 0 )); then if (( $? != 0 )); then
serverside="True" serverside="True"
else else
@ -1154,18 +1159,18 @@ test_curves() {
verbose "Will test following curves: $joined_array" verbose "Will test following curves: $joined_array"
# prepare the ssl command we'll be using # prepare the ssl command we'll be using
local sslcommand="" local sslcommand
sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [[ -n "$CAPATH" ]]; then if [[ -n "$CAPATH" ]]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [[ -e "$CACERTS" ]]; then elif [[ -e "$CACERTS" ]]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $current_cipher" sslcommand+=("-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$current_cipher")
sslcommand+=" -trusted_first" sslcommand+=("-trusted_first")
# force the TLS to send a TLS1.0 client hello at least, as with SSLv2 # force the TLS to send a TLS1.0 client hello at least, as with SSLv2
# ciphers present it will try to send a SSLv2 compatible client hello # ciphers present it will try to send a SSLv2 compatible client hello
sslcommand+=" -no_ssl2 -no_ssl3" sslcommand+=("-no_ssl2" "-no_ssl3")
# #
# here we use the same logic as with detecting cipher suites: first # here we use the same logic as with detecting cipher suites: first
@ -1176,10 +1181,10 @@ test_curves() {
while (( ${#curves[@]} > 0 )); do while (( ${#curves[@]} > 0 )); do
join_array_by_char ':' "${curves[@]}" join_array_by_char ':' "${curves[@]}"
local test_curves="$joined_array" local test_curves="$joined_array"
verbose "Testing $test_curves with command $sslcommand" verbose "Testing $test_curves with command ${sslcommand[*]}"
ratelimit ratelimit
local tmp=$(echo Q | $sslcommand -curves "$test_curves" 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -curves "$test_curves" 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then
@ -1233,9 +1238,9 @@ test_curves() {
done done
test_curves+="${tmp_curves[0]}" test_curves+="${tmp_curves[0]}"
verbose "Testing ordering with $sslcommand -curves $test_curves" verbose "Testing ordering with ${sslcommand[*]} -curves $test_curves"
ratelimit ratelimit
local tmp=$(echo Q | $sslcommand -curves "$test_curves" 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -curves "$test_curves" 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then
@ -1275,17 +1280,17 @@ test_curves_fallback() {
# prepare the ssl command we'll be using # prepare the ssl command we'll be using
local sslcommand="" local sslcommand=""
sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [[ -n "$CAPATH" ]]; then if [[ -n "$CAPATH" ]]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [[ -e "$CACERTS" ]]; then elif [[ -e "$CACERTS" ]]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first" sslcommand+=("-trusted_first")
sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $ecc_ciphers" sslcommand+=("-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$ecc_ciphers")
# force the TLS to send a TLS1.0 client hello at least, as with SSLv2 # force the TLS to send a TLS1.0 client hello at least, as with SSLv2
# ciphers present it will try to send a SSLv2 compatible client hello # ciphers present it will try to send a SSLv2 compatible client hello
sslcommand+=" -no_ssl2 -no_ssl3" sslcommand+=("-no_ssl2" "-no_ssl3")
# #
# here we use the same logic as with detecting cipher suites: first # here we use the same logic as with detecting cipher suites: first
@ -1297,10 +1302,10 @@ test_curves_fallback() {
while (( ${#curves[@]} > 0 )); do while (( ${#curves[@]} > 0 )); do
join_array_by_char ':' "${curves[@]}" join_array_by_char ':' "${curves[@]}"
local test_curves="$joined_array" local test_curves="$joined_array"
verbose "Testing $sslcommand -curves $test_curves" verbose "Testing ${sslcommand[*]} -curves $test_curves"
ratelimit ratelimit
local tmp=$(echo Q | $sslcommand -curves "$test_curves" 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -curves "$test_curves" 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then
@ -1343,19 +1348,20 @@ test_tls_tolerance() {
tls_vers_tests['big-TLSv1.0']="-no_tls1_2 -no_tls1_1" tls_vers_tests['big-TLSv1.0']="-no_tls1_2 -no_tls1_1"
tls_vers_tests['big-SSLv3']="-no_tls1_2 -no_tls1_1 -no_tls1" tls_vers_tests['big-SSLv3']="-no_tls1_2 -no_tls1_1 -no_tls1"
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand
sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [ -n "$CAPATH" ]; then if [ -n "$CAPATH" ]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [ -e "$CACERTS" ]; then elif [ -e "$CACERTS" ]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first -status -nextprotoneg 'http/1.1'" sslcommand+=("-trusted_first" "-status" "-nextprotoneg" "http/1.1")
sslcommand+=" $SCLIENTARGS -connect $TARGET -cipher $CIPHERSUITE" sslcommand+=("${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$CIPHERSUITE")
for version in "${!tls_vers_tests[@]}"; do for version in "${!tls_vers_tests[@]}"; do
ratelimit ratelimit
verbose "Testing fallback with $sslcommand ${tls_vers_tests[$version]}" verbose "Testing fallback with ${sslcommand[*]} ${tls_vers_tests[$version]}"
local tmp=$(echo Q | $sslcommand ${tls_vers_tests[$version]} 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" ${tls_vers_tests[$version]} 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1383,17 +1389,18 @@ test_tls_tolerance() {
# (openssl automatically does that when there are SSLv2 ciphers in # (openssl automatically does that when there are SSLv2 ciphers in
# cipher string and no options are specified) # cipher string and no options are specified)
# #
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand
sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [[ -n "$CAPATH" ]]; then if [[ -n "$CAPATH" ]]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [[ -e "$CACERTS" ]]; then elif [[ -e "$CACERTS" ]]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first -connect $TARGET -cipher $CIPHERSUITE" sslcommand+=("-trusted_first" "-connect" "$TARGET" "-cipher" "$CIPHERSUITE")
ratelimit ratelimit
verbose "Testing fallback with $sslcommand" verbose "Testing fallback with ${sslcommand[*]}"
local tmp=$(echo Q | $sslcommand 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1408,17 +1415,17 @@ test_tls_tolerance() {
# #
local ciphers="$SHORTCIPHERSUITESTRING" local ciphers="$SHORTCIPHERSUITESTRING"
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [[ -n "$CAPATH" ]]; then if [[ -n "$CAPATH" ]]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [[ -e "$CACERTS" ]]; then elif [[ -e "$CACERTS" ]]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first -connect $TARGET -cipher $ciphers" sslcommand+=("-trusted_first" "-connect" "$TARGET" "-cipher" "$ciphers")
ratelimit ratelimit
verbose "Testing fallback with $sslcommand" verbose "Testing fallback with ${slcommand[*]}"
local tmp=$(echo Q | $sslcommand 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1432,8 +1439,8 @@ test_tls_tolerance() {
# v2, small but with TLS1.1 as max version # v2, small but with TLS1.1 as max version
# #
ratelimit ratelimit
verbose "Testing fallback with $sslcommand -no_tls1_2" verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2"
local tmp=$(echo Q | $sslcommand -no_tls1_2 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1447,8 +1454,8 @@ test_tls_tolerance() {
# v2, small but with TLS1.0 as max version # v2, small but with TLS1.0 as max version
# #
ratelimit ratelimit
verbose "Testing fallback with $sslcommand -no_tls1_2 -no_tls1_1" verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1"
local tmp=$(echo Q | $sslcommand -no_tls1_2 -no_tls1_1 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1462,8 +1469,8 @@ test_tls_tolerance() {
# v2, small but with SSLv3 as max version # v2, small but with SSLv3 as max version
# #
ratelimit ratelimit
verbose "Testing fallback with $sslcommand -no_tls1_2 -no_tls1_1 -no_tls1" verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1 -no_tls1"
local tmp=$(echo Q | $sslcommand -no_tls1_2 -no_tls1_1 -no_tls1 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 -no_tls1 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1479,18 +1486,18 @@ test_tls_tolerance() {
# #
local ciphers="$SHORTCIPHERSUITESTRING" local ciphers="$SHORTCIPHERSUITESTRING"
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [[ -n "$CAPATH" ]]; then if [[ -n "$CAPATH" ]]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [[ -e "$CACERTS" ]]; then elif [[ -e "$CACERTS" ]]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first" sslcommand+=("-trusted_first")
sslcommand+=" $SCLIENTARGS -connect $TARGET -cipher $ciphers:!SSLv2" sslcommand+=("${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$ciphers:!SSLv2")
ratelimit ratelimit
verbose "Testing fallback with $sslcommand" verbose "Testing fallback with ${sslcommand[*]}"
local tmp=$(echo Q | $sslcommand 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1504,8 +1511,8 @@ test_tls_tolerance() {
# v3 format TLSv1.1 hello, small cipher list # v3 format TLSv1.1 hello, small cipher list
# #
ratelimit ratelimit
verbose "Testing fallback with $sslcommand -no_tls1_2" verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2"
local tmp=$(echo Q | $sslcommand -no_tls1_2 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1519,8 +1526,8 @@ test_tls_tolerance() {
# v3 format TLSv1.0 hello, small cipher list # v3 format TLSv1.0 hello, small cipher list
# #
ratelimit ratelimit
verbose "Testing fallback with $sslcommand -no_tls1_2 -no_tls1_1" verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1"
local tmp=$(echo Q | $sslcommand -no_tls1_2 -no_tls1_1 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1535,8 +1542,8 @@ test_tls_tolerance() {
# #
if check_option_support "-no_tlsext"; then if check_option_support "-no_tlsext"; then
ratelimit ratelimit
verbose "Testing fallback with $sslcommand -no_tls1_2 -no_tls1_1 -no_tlsext" verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1 -no_tlsext"
local tmp=$(echo Q | $sslcommand -no_tls1_2 -no_tls1_1 -no_tlsext 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 -no_tlsext 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1551,8 +1558,8 @@ test_tls_tolerance() {
# v3 format SSLv3 hello, small cipher list # v3 format SSLv3 hello, small cipher list
# #
ratelimit ratelimit
verbose "Testing fallback with $sslcommand -no_tls1_2 -no_tls1_1 -no_tls1" verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1 -no_tls1"
local tmp=$(echo Q | $sslcommand -no_tls1_2 -no_tls1_1 -no_tls1 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 -no_tls1 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher" verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1633,18 +1640,18 @@ test_kex_sigalgs() {
# Test default sigalgs for aECDSA ciphers # Test default sigalgs for aECDSA ciphers
# #
if [[ $supported_ecdsa_ciphers ]]; then if [[ $supported_ecdsa_ciphers ]]; then
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [ -n "$CAPATH" ]; then if [ -n "$CAPATH" ]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [ -e "$CACERTS" ]; then elif [ -e "$CACERTS" ]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET" sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
sslcommand+=" -cipher $supported_ecdsa_ciphers" sslcommand+=("-cipher" "$supported_ecdsa_ciphers")
# since some ciphers supported by server may be SSLv2 only, we need to # since some ciphers supported by server may be SSLv2 only, we need to
# force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible # force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible
# client hello # client hello
sslcommand+=" -no_ssl2 -no_ssl3" sslcommand+=("-no_ssl2" "-no_ssl3")
local test_ecdsa_sigalgs=("${ecdsa_sigalgs[@]}") local test_ecdsa_sigalgs=("${ecdsa_sigalgs[@]}")
local test_rsa_sigalgs=("${rsa_sigalgs[@]}") local test_rsa_sigalgs=("${rsa_sigalgs[@]}")
@ -1654,8 +1661,8 @@ test_kex_sigalgs() {
local test_sigalgs="$joined_array" local test_sigalgs="$joined_array"
ratelimit ratelimit
verbose "Testing default ECDSA sig algs with $sslcommand -sigalgs $test_sigalgs" verbose "Testing default ECDSA sig algs with ${sslcommand[*]} -sigalgs $test_sigalgs"
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg" verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1714,18 +1721,18 @@ test_kex_sigalgs() {
# Test default sigalgs for aRSA ciphers # Test default sigalgs for aRSA ciphers
# #
if [[ ${supported_rsa_ciphers} ]]; then if [[ ${supported_rsa_ciphers} ]]; then
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [ -n "$CAPATH" ]; then if [ -n "$CAPATH" ]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [ -e "$CACERTS" ]; then elif [ -e "$CACERTS" ]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET" sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
sslcommand+=" -cipher $supported_rsa_ciphers" sslcommand+=("-cipher" "$supported_rsa_ciphers")
# since some ciphers supported by server may be SSLv2 only, we need to # since some ciphers supported by server may be SSLv2 only, we need to
# force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible # force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible
# client hello # client hello
sslcommand+=" -no_ssl2 -no_ssl3" sslcommand+=("-no_ssl2" "-no_ssl3")
local test_ecdsa_sigalgs=("${ecdsa_sigalgs[@]}") local test_ecdsa_sigalgs=("${ecdsa_sigalgs[@]}")
local test_rsa_sigalgs=("${rsa_sigalgs[@]}") local test_rsa_sigalgs=("${rsa_sigalgs[@]}")
@ -1735,8 +1742,8 @@ test_kex_sigalgs() {
local test_sigalgs="$joined_array" local test_sigalgs="$joined_array"
ratelimit ratelimit
verbose "Testing default RSA sig algs with $sslcommand -sigalgs $test_sigalgs" verbose "Testing default RSA sig algs with ${sslcommand[*]} -sigalgs $test_sigalgs"
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg" verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1815,22 +1822,22 @@ test_kex_sigalgs() {
test_sigalgs+="ECDSA+${sigalgs_preferred_ecdsa[0]}" test_sigalgs+="ECDSA+${sigalgs_preferred_ecdsa[0]}"
# prepare the command to run # prepare the command to run
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [ -n "$CAPATH" ]; then if [ -n "$CAPATH" ]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [ -e "$CACERTS" ]; then elif [ -e "$CACERTS" ]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET" sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
sslcommand+=" -cipher $supported_ecdsa_ciphers" sslcommand+=("-cipher" "$supported_ecdsa_ciphers")
# since some ciphers supported by server may be SSLv2 only, we need to # since some ciphers supported by server may be SSLv2 only, we need to
# force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible # force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible
# client hello # client hello
sslcommand+=" -no_ssl2 -no_ssl3" sslcommand+=("-no_ssl2" "-no_ssl3")
ratelimit ratelimit
verbose "Test ordering of sigalgs with $sslcommand -sigalgs $test_sigalgs" verbose "Test ordering of sigalgs with ${sslcommand[*]} -sigalgs $test_sigalgs"
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg" verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -1860,22 +1867,22 @@ test_kex_sigalgs() {
test_sigalgs+="RSA+${sigalgs_preferred_rsa[0]}" test_sigalgs+="RSA+${sigalgs_preferred_rsa[0]}"
# prepare the command to run # prepare the command to run
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client" local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
if [ -n "$CAPATH" ]; then if [ -n "$CAPATH" ]; then
sslcommand+=" -CApath $CAPATH -showcerts" sslcommand+=("-CApath" "$CAPATH" "-showcerts")
elif [ -e "$CACERTS" ]; then elif [ -e "$CACERTS" ]; then
sslcommand+=" -CAfile $CACERTS" sslcommand+=("-CAfile" "$CACERTS")
fi fi
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET" sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
sslcommand+=" -cipher $supported_rsa_ciphers" sslcommand+=("-cipher" "$supported_rsa_ciphers")
# since some ciphers supported by server may be SSLv2 only, we need to # since some ciphers supported by server may be SSLv2 only, we need to
# force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible # force use of TLSv1.2, otherwise openssl will send a SSLv2 compatible
# client hello # client hello
sslcommand+=" -no_ssl2 -no_ssl3" sslcommand+=("-no_ssl2" "-no_ssl3")
ratelimit ratelimit
verbose "Test ordering of sigalgs with $sslcommand -sigalgs $test_sigalgs" verbose "Test ordering of sigalgs with ${sslcommand[*]} -sigalgs $test_sigalgs"
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null) local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
parse_openssl_output <<<"$tmp" parse_openssl_output <<<"$tmp"
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg" verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
if [[ -z $current_protocol || $current_cipher == "(NONE)" \ if [[ -z $current_protocol || $current_cipher == "(NONE)" \
@ -2026,11 +2033,11 @@ if [[ -e $DIRNAMEPATH/openssl.cnf ]]; then
export OPENSSL_CONF="$DIRNAMEPATH/openssl.cnf" export OPENSSL_CONF="$DIRNAMEPATH/openssl.cnf"
fi fi
OPENSSLBINHELP="$($OPENSSLBIN s_client -help 2>&1)" OPENSSLBINHELP="$("$OPENSSLBIN" s_client -help 2>&1)"
if [[ $OPENSSLBINHELP =~ :error: ]]; then if [[ $OPENSSLBINHELP =~ :error: ]]; then
verbose "$OPENSSLBIN can't handle GOST config, disabling" verbose "$OPENSSLBIN can't handle GOST config, disabling"
unset OPENSSL_CONF unset OPENSSL_CONF
OPENSSLBINHELP="$($OPENSSLBIN s_client -help 2>&1)" OPENSSLBINHELP="$("$OPENSSLBIN" s_client -help 2>&1)"
fi fi
if ! [[ $OPENSSLBINHELP =~ -connect ]]; then if ! [[ $OPENSSLBINHELP =~ -connect ]]; then
@ -2089,14 +2096,14 @@ debug "target: $TARGET"
# test our openssl is usable # test our openssl is usable
if [[ ! -x $OPENSSLBIN ]]; then if [[ ! -x $OPENSSLBIN ]]; then
OPENSSLBIN=$(which openssl) OPENSSLBIN="$(which openssl)"
if [[ "$OUTPUTFORMAT" == "terminal" ]]; then if [[ "$OUTPUTFORMAT" == "terminal" ]]; then
echo "custom openssl not executable, falling back to system one from $OPENSSLBIN" 1>&2 echo "custom openssl not executable, falling back to system one from $OPENSSLBIN" 1>&2
fi fi
fi fi
if [[ $TEST_CURVES == "True" ]]; then if [[ $TEST_CURVES == "True" ]]; then
if [[ ! -z "$($OPENSSLBIN s_client -curves 2>&1|head -1|grep 'unknown option')" ]]; then if [[ ! -z "$("$OPENSSLBIN" s_client -curves 2>&1|head -1|grep 'unknown option')" ]]; then
echo "curves testing not available with your version of openssl, disabling it" 1>&2 echo "curves testing not available with your version of openssl, disabling it" 1>&2
TEST_CURVES="False" TEST_CURVES="False"
fi fi
@ -2126,28 +2133,30 @@ fi
if [[ $VERBOSE != 0 ]] ; then if [[ $VERBOSE != 0 ]] ; then
[[ -n "$CACERTS" ]] && echo "Using trust anchors from $CACERTS" [[ -n "$CACERTS" ]] && echo "Using trust anchors from $CACERTS"
echo "Loading $($OPENSSLBIN ciphers -v $CIPHERSUITE 2>/dev/null|grep Kx|wc -l) ciphersuites from $(echo -n $($OPENSSLBIN version 2>/dev/null))" echo "Loading $("$OPENSSLBIN" ciphers -v $CIPHERSUITE 2>/dev/null|grep Kx|wc -l) ciphersuites from $(echo -n $("$OPENSSLBIN" version 2>/dev/null))"
$OPENSSLBIN ciphers ALL 2>/dev/null "$OPENSSLBIN" ciphers ALL 2>/dev/null
fi fi
SCLIENTARGS="${PARAMS[*]}" SCLIENTARGS=("${PARAMS[@]}")
# we need the SNI for cscan, so save it if it was provided through # we need the SNI for cscan, so save it if it was provided through
# OpenSSL options # OpenSSL options
if [[ $SCLIENTARGS =~ servername[\ ]*([^\ ]*)[\ ]* ]]; then for i in "${!SCLIENTARGS[@]}"; do
sni_target="${BASH_REMATCH[1]}" if [[ ${SCLIENTARGS[i]} = -servername ]]; then
fi sni_target="${SCLIENTARGS[i+1]}"
fi
done
# only append the SNI: # only append the SNI:
# if the target is a hostname by validating the tld # if the target is a hostname by validating the tld
# if -servername was not supplied by the user # if -servername was not supplied by the user
if [[ $SNI == "True" && ! $SCLIENTARGS =~ servername ]]; then if [[ $SNI == "True" && ! "${SCLIENTARGS[*]}" =~ servername ]]; then
if [[ $sni_target =~ \.[a-zA-Z]{1,20}$ ]]; then if [[ $sni_target =~ \.[a-zA-Z]{1,20}$ ]]; then
SCLIENTARGS="$SCLIENTARGS -servername $sni_target" SCLIENTARGS+=("-servername" "$sni_target")
else else
echo "Warning: target is not a FQDN. SNI was disabled. Use a FQDN or '-servername <fqdn>'" 1>&2 echo "Warning: target is not a FQDN. SNI was disabled. Use a FQDN or '-servername <fqdn>'" 1>&2
sni_target='' sni_target=''
fi fi
fi fi
debug "sclientargs: $SCLIENTARGS" debug "sclientargs: ${SCLIENTARGS[*]}"
cipherspref=() cipherspref=()
@ -2193,9 +2202,9 @@ fi
# If asked, test every single cipher individually # If asked, test every single cipher individually
if [[ -n $ALLCIPHERS ]]; then if [[ -n $ALLCIPHERS ]]; then
echo; echo "All accepted ciphersuites" echo; echo "All accepted ciphersuites"
for c in $($OPENSSLBIN ciphers -v ALL:COMPLEMENTOFALL 2>/dev/null |awk '{print $1}'|sort -u); do for c in $("$OPENSSLBIN" ciphers -v ALL:COMPLEMENTOFALL 2>/dev/null |awk '{print $1}'|sort -u); do
osslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $c" osslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client" "${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$c")
if test_cipher_on_target "$osslcommand"; then if test_cipher_on_target "${osslcommand[@]}"; then
r="pass" r="pass"
else else
r="fail" r="fail"