mirror of
https://github.com/mozilla/cipherscan.git
synced 2024-12-25 04:03:41 +01:00
Hubert Kario
parent
528e94d613
commit
4890e26910
291
cipherscan
291
cipherscan
@ -37,7 +37,7 @@ else
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echo "greadlink not found. (try: brew install coreutils)" 1>&2
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exit 1
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fi
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TIMEOUTBIN=$(which gtimeout 2>/dev/null)
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TIMEOUTBIN="$(which gtimeout 2>/dev/null)"
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if [[ -z $TIMEOUTBIN ]]; then
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echo "gtimeout not found. (try: brew install coreutils)" 1>&2
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exit 1
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@ -71,7 +71,7 @@ else
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# Check for busybox, which has different arguments
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TIMEOUTOUTPUT="$($TIMEOUTBIN --help 2>&1)"
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if [[ "$TIMEOUTOUTPUT" =~ BusyBox ]]; then
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TIMEOUTBIN="$TIMEOUTBIN -t"
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TIMEOUTBIN=("$TIMEOUTBIN" "-t")
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fi
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;;
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@ -343,7 +343,7 @@ get_curve_name() {
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}
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c_hash() {
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local h=$(${OPENSSLBIN} x509 -hash -noout -in "$1/$2" 2>/dev/null)
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local h=$("${OPENSSLBIN}" x509 -hash -noout -in "$1/$2" 2>/dev/null)
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for ((num=0; num<=100; num++)) ; do
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if [[ $1/${h}.${num} -ef $2 ]]; then
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# file already linked, ignore
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@ -490,7 +490,7 @@ parse_openssl_output() {
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# if we found any certs in output, process the first one and extract
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# the signature algorithm on it (it's the server's certificate)
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if (( certs_found > 0 )); then
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local ossl_out=$(${OPENSSLBIN} x509 -noout -text 2>/dev/null <<<"${current_raw_certificates[0]}")
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local ossl_out=$("${OPENSSLBIN}" x509 -noout -text 2>/dev/null <<<"${current_raw_certificates[0]}")
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local regex='Signature Algorithm[^ ]+ +(.+$)'
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while read data; do
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if [[ $data =~ $regex ]]; then
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@ -502,30 +502,31 @@ parse_openssl_output() {
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# Connect to a target host with the selected ciphersuite
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test_cipher_on_target() {
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local sslcommand="$*"
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local sslcommand=("$@")
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cipher=""
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local cmnd=""
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local cmnd
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protocols=""
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pfs=""
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previous_cipher=""
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certificates=""
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for tls_version in "-ssl2" "-ssl3" "-tls1" "-tls1_1" "-tls1_2"
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do
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cmnd=("${sslcommand[@]}")
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# sslv2 client hello doesn't support SNI extension
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# in SSLv3 mode OpenSSL just ignores the setting so it's ok
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# -status exception is ignored in SSLv2, go figure
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if [[ "$tls_version" == "-ssl2" ]]; then
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if [[ "$sslcommand" =~ (.*)(-servername\ [^ ]*)(.*) ]]; then
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cmnd="${BASH_REMATCH[1]} ${BASH_REMATCH[3]}"
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else
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cmnd="$sslcommand"
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fi
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else
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cmnd=$sslcommand
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for i in "${!cmnd[@]}"; do
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if [[ ${cmnd[i]} = -servername ]]; then
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# remove option and its parameter
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unset 'cmnd[i]'
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unset 'cmnd[i+1]'
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fi
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done
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fi
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ratelimit
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debug echo \"Q\" \| $cmnd $tls_version
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local tmp=$(echo "Q" | $cmnd $tls_version 1>/dev/stdout 2>/dev/null)
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debug echo \"Q\" \| "${cmnd[@]}" $tls_version
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local tmp=$(echo "Q" | "${cmnd[@]}" $tls_version 1>/dev/stdout 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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verbose "selected cipher is '$current_cipher'"
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@ -553,13 +554,13 @@ test_cipher_on_target() {
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fi
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# compute sha256 fingerprint of the certificate
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local sha256sum=($(${OPENSSLBIN} x509 -outform DER\
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local sha256sum=($("${OPENSSLBIN}" x509 -outform DER\
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<<<"$cert" 2>/dev/null |\
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${OPENSSLBIN} dgst -sha256 -r 2>/dev/null))
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"${OPENSSLBIN}" dgst -sha256 -r 2>/dev/null))
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# check if it is a CA certificate
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local isCA="False"
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if ${OPENSSLBIN} x509 -noout -text <<<"$cert" 2>/dev/null |\
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if "${OPENSSLBIN}" x509 -noout -text <<<"$cert" 2>/dev/null |\
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grep 'CA:TRUE' >/dev/null; then
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isCA="True"
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fi
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@ -576,7 +577,7 @@ test_cipher_on_target() {
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# unrelated certificates that are not trusted (including self
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# signed ones)
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local saved="False"
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if ${OPENSSLBIN} verify "${trust_source[@]}" \
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if "${OPENSSLBIN}" verify "${trust_source[@]}" \
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-untrusted <(printf "%s" "${current_raw_certificates[@]}") \
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<(echo "$cert") 2>/dev/null | \
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grep ': OK$' >/dev/null; then
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@ -677,13 +678,15 @@ test_cipher_on_target() {
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# Calculate the average handshake time for a specific ciphersuite
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bench_cipher() {
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local ciphersuite="$1"
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local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client $SCLIENTARGS"
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sslcommand+=" -connect $TARGET -cipher $ciphersuite"
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local sslcommand
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sslcommand+=("${TIMEOUTBIN[@]}" "$TIMEOUT")
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sslcommand+=("$OPENSSLBIN" "s_client" "${SCLIENTARGS[@]}")
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sslcommand+=("-connect" "$TARGET" "-cipher" "$ciphersuite")
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local t="$(date +%s%N)"
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verbose "Benchmarking handshake on '$TARGET' with ciphersuite '$ciphersuite'"
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for i in $(seq 1 $BENCHMARKITER); do
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debug "Connection $i"
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(echo "Q" | $sslcommand 2>/dev/null 1>/dev/null)
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(echo "Q" | "${sslcommand[@]}" 2>/dev/null 1>/dev/null)
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if (( $? != 0 )); then
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break
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fi
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@ -701,18 +704,19 @@ get_cipher_pref() {
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[[ "$OUTPUTFORMAT" == "terminal" ]] && [[ $DEBUG -lt 1 ]] && echo -n '.'
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local ciphersuite="$1"
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local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
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local sslcommand
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sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
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if [[ -n "$CAPATH" ]]; then
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sslcommand+=" -CApath $CAPATH -showcerts"
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sslcommand+=("-CApath" "$CAPATH" "-showcerts")
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elif [[ -e $CACERTS ]]; then
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sslcommand+=" -CAfile $CACERTS"
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sslcommand+=("-CAfile" "$CACERTS")
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fi
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sslcommand+=" -trusted_first -status $SCLIENTARGS -connect $TARGET"
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sslcommand+=" -cipher $ciphersuite -nextprotoneg http/1.1"
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sslcommand+=("-trusted_first" "-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
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sslcommand+=("-cipher" "$ciphersuite" "-nextprotoneg" "http/1.1")
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verbose "Connecting to '$TARGET' with ciphersuite '$ciphersuite'"
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# If the connection succeeded with the current cipher, benchmark and store
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if test_cipher_on_target "$sslcommand"; then
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if test_cipher_on_target "${sslcommand[@]}"; then
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cipherspref=("${cipherspref[@]}" "$result")
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ciphercertificates=("${ciphercertificates[@]}" "$certificates")
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pciph=($result)
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@ -1120,16 +1124,17 @@ test_serverside_ordering() {
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join_array_by_char ':' "${ciphersuites[@]}"
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ciphersuite="$joined_array"
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local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
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local sslcommand
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sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
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if [[ -n "$CAPATH" ]]; then
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sslcommand+=" -CApath $CAPATH -showcerts"
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sslcommand+=("-CApath" "$CAPATH" "-showcerts")
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elif [[ -e "$CACERTS" ]]; then
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sslcommand+=" -CAfile $CACERTS"
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sslcommand+=("-CAfile" "$CACERTS")
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fi
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sslcommand+=" -trusted_first -status $SCLIENTARGS -connect $TARGET"
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sslcommand+=" -cipher $ciphersuite"
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sslcommand+=("-trusted_first" "-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
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sslcommand+=("-cipher" "$ciphersuite")
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test_cipher_on_target "$sslcommand"
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test_cipher_on_target "${sslcommand[@]}"
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if (( $? != 0 )); then
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serverside="True"
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else
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@ -1154,18 +1159,18 @@ test_curves() {
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verbose "Will test following curves: $joined_array"
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# prepare the ssl command we'll be using
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local sslcommand=""
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sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
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local sslcommand
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sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
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if [[ -n "$CAPATH" ]]; then
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sslcommand+=" -CApath $CAPATH -showcerts"
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sslcommand+=("-CApath" "$CAPATH" "-showcerts")
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elif [[ -e "$CACERTS" ]]; then
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sslcommand+=" -CAfile $CACERTS"
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sslcommand+=("-CAfile" "$CACERTS")
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fi
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sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $current_cipher"
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sslcommand+=" -trusted_first"
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sslcommand+=("-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$current_cipher")
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sslcommand+=("-trusted_first")
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# force the TLS to send a TLS1.0 client hello at least, as with SSLv2
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# ciphers present it will try to send a SSLv2 compatible client hello
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sslcommand+=" -no_ssl2 -no_ssl3"
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sslcommand+=("-no_ssl2" "-no_ssl3")
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#
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# here we use the same logic as with detecting cipher suites: first
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@ -1176,10 +1181,10 @@ test_curves() {
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while (( ${#curves[@]} > 0 )); do
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join_array_by_char ':' "${curves[@]}"
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local test_curves="$joined_array"
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verbose "Testing $test_curves with command $sslcommand"
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verbose "Testing $test_curves with command ${sslcommand[*]}"
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ratelimit
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local tmp=$(echo Q | $sslcommand -curves "$test_curves" 2>/dev/null)
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local tmp=$(echo Q | "${sslcommand[@]}" -curves "$test_curves" 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then
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@ -1233,9 +1238,9 @@ test_curves() {
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done
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test_curves+="${tmp_curves[0]}"
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verbose "Testing ordering with $sslcommand -curves $test_curves"
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verbose "Testing ordering with ${sslcommand[*]} -curves $test_curves"
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ratelimit
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local tmp=$(echo Q | $sslcommand -curves "$test_curves" 2>/dev/null)
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local tmp=$(echo Q | "${sslcommand[@]}" -curves "$test_curves" 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then
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@ -1275,17 +1280,17 @@ test_curves_fallback() {
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# prepare the ssl command we'll be using
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local sslcommand=""
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sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
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sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
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if [[ -n "$CAPATH" ]]; then
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sslcommand+=" -CApath $CAPATH -showcerts"
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sslcommand+=("-CApath" "$CAPATH" "-showcerts")
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elif [[ -e "$CACERTS" ]]; then
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sslcommand+=" -CAfile $CACERTS"
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sslcommand+=("-CAfile" "$CACERTS")
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fi
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sslcommand+=" -trusted_first"
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sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $ecc_ciphers"
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sslcommand+=("-trusted_first")
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sslcommand+=("-status" "${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$ecc_ciphers")
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# force the TLS to send a TLS1.0 client hello at least, as with SSLv2
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# ciphers present it will try to send a SSLv2 compatible client hello
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sslcommand+=" -no_ssl2 -no_ssl3"
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sslcommand+=("-no_ssl2" "-no_ssl3")
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#
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# here we use the same logic as with detecting cipher suites: first
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@ -1297,10 +1302,10 @@ test_curves_fallback() {
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while (( ${#curves[@]} > 0 )); do
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join_array_by_char ':' "${curves[@]}"
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local test_curves="$joined_array"
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verbose "Testing $sslcommand -curves $test_curves"
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verbose "Testing ${sslcommand[*]} -curves $test_curves"
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ratelimit
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local tmp=$(echo Q | $sslcommand -curves "$test_curves" 2>/dev/null)
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local tmp=$(echo Q | "${sslcommand[@]}" -curves "$test_curves" 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" || $current_cipher == '0000' ]]; then
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@ -1343,19 +1348,20 @@ test_tls_tolerance() {
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tls_vers_tests['big-TLSv1.0']="-no_tls1_2 -no_tls1_1"
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tls_vers_tests['big-SSLv3']="-no_tls1_2 -no_tls1_1 -no_tls1"
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local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
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local sslcommand
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sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
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if [ -n "$CAPATH" ]; then
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sslcommand+=" -CApath $CAPATH -showcerts"
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sslcommand+=("-CApath" "$CAPATH" "-showcerts")
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elif [ -e "$CACERTS" ]; then
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sslcommand+=" -CAfile $CACERTS"
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sslcommand+=("-CAfile" "$CACERTS")
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fi
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sslcommand+=" -trusted_first -status -nextprotoneg 'http/1.1'"
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sslcommand+=" $SCLIENTARGS -connect $TARGET -cipher $CIPHERSUITE"
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sslcommand+=("-trusted_first" "-status" "-nextprotoneg" "http/1.1")
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sslcommand+=("${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$CIPHERSUITE")
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for version in "${!tls_vers_tests[@]}"; do
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ratelimit
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verbose "Testing fallback with $sslcommand ${tls_vers_tests[$version]}"
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local tmp=$(echo Q | $sslcommand ${tls_vers_tests[$version]} 2>/dev/null)
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verbose "Testing fallback with ${sslcommand[*]} ${tls_vers_tests[$version]}"
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local tmp=$(echo Q | "${sslcommand[@]}" ${tls_vers_tests[$version]} 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" \
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@ -1383,17 +1389,18 @@ test_tls_tolerance() {
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# (openssl automatically does that when there are SSLv2 ciphers in
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# cipher string and no options are specified)
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#
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local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
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local sslcommand
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sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
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if [[ -n "$CAPATH" ]]; then
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sslcommand+=" -CApath $CAPATH -showcerts"
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sslcommand+=("-CApath" "$CAPATH" "-showcerts")
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elif [[ -e "$CACERTS" ]]; then
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sslcommand+=" -CAfile $CACERTS"
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sslcommand+=("-CAfile" "$CACERTS")
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fi
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sslcommand+=" -trusted_first -connect $TARGET -cipher $CIPHERSUITE"
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sslcommand+=("-trusted_first" "-connect" "$TARGET" "-cipher" "$CIPHERSUITE")
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ratelimit
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verbose "Testing fallback with $sslcommand"
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local tmp=$(echo Q | $sslcommand 2>/dev/null)
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verbose "Testing fallback with ${sslcommand[*]}"
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local tmp=$(echo Q | "${sslcommand[@]}" 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" \
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@ -1408,17 +1415,17 @@ test_tls_tolerance() {
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#
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local ciphers="$SHORTCIPHERSUITESTRING"
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local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
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local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
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if [[ -n "$CAPATH" ]]; then
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sslcommand+=" -CApath $CAPATH -showcerts"
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sslcommand+=("-CApath" "$CAPATH" "-showcerts")
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elif [[ -e "$CACERTS" ]]; then
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sslcommand+=" -CAfile $CACERTS"
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sslcommand+=("-CAfile" "$CACERTS")
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fi
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sslcommand+=" -trusted_first -connect $TARGET -cipher $ciphers"
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sslcommand+=("-trusted_first" "-connect" "$TARGET" "-cipher" "$ciphers")
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ratelimit
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verbose "Testing fallback with $sslcommand"
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local tmp=$(echo Q | $sslcommand 2>/dev/null)
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verbose "Testing fallback with ${slcommand[*]}"
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local tmp=$(echo Q | "${sslcommand[@]}" 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" \
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@ -1432,8 +1439,8 @@ test_tls_tolerance() {
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# v2, small but with TLS1.1 as max version
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#
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ratelimit
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verbose "Testing fallback with $sslcommand -no_tls1_2"
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local tmp=$(echo Q | $sslcommand -no_tls1_2 2>/dev/null)
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verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2"
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local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" \
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@ -1447,8 +1454,8 @@ test_tls_tolerance() {
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# v2, small but with TLS1.0 as max version
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#
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ratelimit
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verbose "Testing fallback with $sslcommand -no_tls1_2 -no_tls1_1"
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local tmp=$(echo Q | $sslcommand -no_tls1_2 -no_tls1_1 2>/dev/null)
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verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1"
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local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 2>/dev/null)
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parse_openssl_output <<<"$tmp"
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verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
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if [[ -z $current_protocol || $current_cipher == "(NONE)" \
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@ -1462,8 +1469,8 @@ test_tls_tolerance() {
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# v2, small but with SSLv3 as max version
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#
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ratelimit
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verbose "Testing fallback with $sslcommand -no_tls1_2 -no_tls1_1 -no_tls1"
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local tmp=$(echo Q | $sslcommand -no_tls1_2 -no_tls1_1 -no_tls1 2>/dev/null)
|
||||
verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1 -no_tls1"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 -no_tls1 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1479,18 +1486,18 @@ test_tls_tolerance() {
|
||||
#
|
||||
local ciphers="$SHORTCIPHERSUITESTRING"
|
||||
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
sslcommand+=("-CApath" "$CAPATH" "-showcerts")
|
||||
elif [[ -e "$CACERTS" ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
sslcommand+=("-CAfile" "$CACERTS")
|
||||
fi
|
||||
sslcommand+=" -trusted_first"
|
||||
sslcommand+=" $SCLIENTARGS -connect $TARGET -cipher $ciphers:!SSLv2"
|
||||
sslcommand+=("-trusted_first")
|
||||
sslcommand+=("${SCLIENTARGS[@]}" "-connect" "$TARGET" "-cipher" "$ciphers:!SSLv2")
|
||||
|
||||
ratelimit
|
||||
verbose "Testing fallback with $sslcommand"
|
||||
local tmp=$(echo Q | $sslcommand 2>/dev/null)
|
||||
verbose "Testing fallback with ${sslcommand[*]}"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1504,8 +1511,8 @@ test_tls_tolerance() {
|
||||
# v3 format TLSv1.1 hello, small cipher list
|
||||
#
|
||||
ratelimit
|
||||
verbose "Testing fallback with $sslcommand -no_tls1_2"
|
||||
local tmp=$(echo Q | $sslcommand -no_tls1_2 2>/dev/null)
|
||||
verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1519,8 +1526,8 @@ test_tls_tolerance() {
|
||||
# v3 format TLSv1.0 hello, small cipher list
|
||||
#
|
||||
ratelimit
|
||||
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)
|
||||
verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1535,8 +1542,8 @@ test_tls_tolerance() {
|
||||
#
|
||||
if check_option_support "-no_tlsext"; then
|
||||
ratelimit
|
||||
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)
|
||||
verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1 -no_tlsext"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 -no_tlsext 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1551,8 +1558,8 @@ test_tls_tolerance() {
|
||||
# v3 format SSLv3 hello, small cipher list
|
||||
#
|
||||
ratelimit
|
||||
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)
|
||||
verbose "Testing fallback with ${sslcommand[*]} -no_tls1_2 -no_tls1_1 -no_tls1"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -no_tls1_2 -no_tls1_1 -no_tls1 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "Negotiated proto: $current_protocol, cipher: $current_cipher"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1633,18 +1640,18 @@ test_kex_sigalgs() {
|
||||
# Test default sigalgs for aECDSA ciphers
|
||||
#
|
||||
if [[ $supported_ecdsa_ciphers ]]; then
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
|
||||
if [ -n "$CAPATH" ]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
sslcommand+=("-CApath" "$CAPATH" "-showcerts")
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
sslcommand+=("-CAfile" "$CACERTS")
|
||||
fi
|
||||
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET"
|
||||
sslcommand+=" -cipher $supported_ecdsa_ciphers"
|
||||
sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
|
||||
sslcommand+=("-cipher" "$supported_ecdsa_ciphers")
|
||||
# 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
|
||||
# client hello
|
||||
sslcommand+=" -no_ssl2 -no_ssl3"
|
||||
sslcommand+=("-no_ssl2" "-no_ssl3")
|
||||
local test_ecdsa_sigalgs=("${ecdsa_sigalgs[@]}")
|
||||
local test_rsa_sigalgs=("${rsa_sigalgs[@]}")
|
||||
|
||||
@ -1654,8 +1661,8 @@ test_kex_sigalgs() {
|
||||
local test_sigalgs="$joined_array"
|
||||
|
||||
ratelimit
|
||||
verbose "Testing default ECDSA sig algs with $sslcommand -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null)
|
||||
verbose "Testing default ECDSA sig algs with ${sslcommand[*]} -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1714,18 +1721,18 @@ test_kex_sigalgs() {
|
||||
# Test default sigalgs for aRSA ciphers
|
||||
#
|
||||
if [[ ${supported_rsa_ciphers} ]]; then
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
|
||||
if [ -n "$CAPATH" ]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
sslcommand+=("-CApath" "$CAPATH" "-showcerts")
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
sslcommand+=("-CAfile" "$CACERTS")
|
||||
fi
|
||||
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET"
|
||||
sslcommand+=" -cipher $supported_rsa_ciphers"
|
||||
sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
|
||||
sslcommand+=("-cipher" "$supported_rsa_ciphers")
|
||||
# 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
|
||||
# client hello
|
||||
sslcommand+=" -no_ssl2 -no_ssl3"
|
||||
sslcommand+=("-no_ssl2" "-no_ssl3")
|
||||
local test_ecdsa_sigalgs=("${ecdsa_sigalgs[@]}")
|
||||
local test_rsa_sigalgs=("${rsa_sigalgs[@]}")
|
||||
|
||||
@ -1735,8 +1742,8 @@ test_kex_sigalgs() {
|
||||
local test_sigalgs="$joined_array"
|
||||
|
||||
ratelimit
|
||||
verbose "Testing default RSA sig algs with $sslcommand -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null)
|
||||
verbose "Testing default RSA sig algs with ${sslcommand[*]} -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1815,22 +1822,22 @@ test_kex_sigalgs() {
|
||||
test_sigalgs+="ECDSA+${sigalgs_preferred_ecdsa[0]}"
|
||||
|
||||
# prepare the command to run
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
|
||||
if [ -n "$CAPATH" ]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
sslcommand+=("-CApath" "$CAPATH" "-showcerts")
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
sslcommand+=("-CAfile" "$CACERTS")
|
||||
fi
|
||||
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET"
|
||||
sslcommand+=" -cipher $supported_ecdsa_ciphers"
|
||||
sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
|
||||
sslcommand+=("-cipher" "$supported_ecdsa_ciphers")
|
||||
# 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
|
||||
# client hello
|
||||
sslcommand+=" -no_ssl2 -no_ssl3"
|
||||
sslcommand+=("-no_ssl2" "-no_ssl3")
|
||||
|
||||
ratelimit
|
||||
verbose "Test ordering of sigalgs with $sslcommand -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null)
|
||||
verbose "Test ordering of sigalgs with ${sslcommand[*]} -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -1860,22 +1867,22 @@ test_kex_sigalgs() {
|
||||
test_sigalgs+="RSA+${sigalgs_preferred_rsa[0]}"
|
||||
|
||||
# prepare the command to run
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
local sslcommand=("${TIMEOUTBIN[@]}" "$TIMEOUT" "$OPENSSLBIN" "s_client")
|
||||
if [ -n "$CAPATH" ]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
sslcommand+=("-CApath" "$CAPATH" "-showcerts")
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
sslcommand+=("-CAfile" "$CACERTS")
|
||||
fi
|
||||
sslcommand+=" -trusted_first $SCLIENTARGS -connect $TARGET"
|
||||
sslcommand+=" -cipher $supported_rsa_ciphers"
|
||||
sslcommand+=("-trusted_first" "${SCLIENTARGS[@]}" "-connect" "$TARGET")
|
||||
sslcommand+=("-cipher" "$supported_rsa_ciphers")
|
||||
# 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
|
||||
# client hello
|
||||
sslcommand+=" -no_ssl2 -no_ssl3"
|
||||
sslcommand+=("-no_ssl2" "-no_ssl3")
|
||||
|
||||
ratelimit
|
||||
verbose "Test ordering of sigalgs with $sslcommand -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | $sslcommand -sigalgs $test_sigalgs 2>/dev/null)
|
||||
verbose "Test ordering of sigalgs with ${sslcommand[*]} -sigalgs $test_sigalgs"
|
||||
local tmp=$(echo Q | "${sslcommand[@]}" -sigalgs $test_sigalgs 2>/dev/null)
|
||||
parse_openssl_output <<<"$tmp"
|
||||
verbose "server selected $current_cipher, $current_protocol, $current_kex_sigalg"
|
||||
if [[ -z $current_protocol || $current_cipher == "(NONE)" \
|
||||
@ -2026,11 +2033,11 @@ if [[ -e $DIRNAMEPATH/openssl.cnf ]]; then
|
||||
export OPENSSL_CONF="$DIRNAMEPATH/openssl.cnf"
|
||||
fi
|
||||
|
||||
OPENSSLBINHELP="$($OPENSSLBIN s_client -help 2>&1)"
|
||||
OPENSSLBINHELP="$("$OPENSSLBIN" s_client -help 2>&1)"
|
||||
if [[ $OPENSSLBINHELP =~ :error: ]]; then
|
||||
verbose "$OPENSSLBIN can't handle GOST config, disabling"
|
||||
unset OPENSSL_CONF
|
||||
OPENSSLBINHELP="$($OPENSSLBIN s_client -help 2>&1)"
|
||||
OPENSSLBINHELP="$("$OPENSSLBIN" s_client -help 2>&1)"
|
||||
fi
|
||||
|
||||
if ! [[ $OPENSSLBINHELP =~ -connect ]]; then
|
||||
@ -2089,14 +2096,14 @@ debug "target: $TARGET"
|
||||
|
||||
# test our openssl is usable
|
||||
if [[ ! -x $OPENSSLBIN ]]; then
|
||||
OPENSSLBIN=$(which openssl)
|
||||
OPENSSLBIN="$(which openssl)"
|
||||
if [[ "$OUTPUTFORMAT" == "terminal" ]]; then
|
||||
echo "custom openssl not executable, falling back to system one from $OPENSSLBIN" 1>&2
|
||||
fi
|
||||
fi
|
||||
|
||||
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
|
||||
TEST_CURVES="False"
|
||||
fi
|
||||
@ -2126,28 +2133,30 @@ fi
|
||||
|
||||
if [[ $VERBOSE != 0 ]] ; then
|
||||
[[ -n "$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))"
|
||||
$OPENSSLBIN ciphers ALL 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))"
|
||||
"$OPENSSLBIN" ciphers ALL 2>/dev/null
|
||||
fi
|
||||
|
||||
SCLIENTARGS="${PARAMS[*]}"
|
||||
SCLIENTARGS=("${PARAMS[@]}")
|
||||
# we need the SNI for cscan, so save it if it was provided through
|
||||
# OpenSSL options
|
||||
if [[ $SCLIENTARGS =~ servername[\ ]*([^\ ]*)[\ ]* ]]; then
|
||||
sni_target="${BASH_REMATCH[1]}"
|
||||
fi
|
||||
for i in "${!SCLIENTARGS[@]}"; do
|
||||
if [[ ${SCLIENTARGS[i]} = -servername ]]; then
|
||||
sni_target="${SCLIENTARGS[i+1]}"
|
||||
fi
|
||||
done
|
||||
# only append the SNI:
|
||||
# if the target is a hostname by validating the tld
|
||||
# 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
|
||||
SCLIENTARGS="$SCLIENTARGS -servername $sni_target"
|
||||
SCLIENTARGS+=("-servername" "$sni_target")
|
||||
else
|
||||
echo "Warning: target is not a FQDN. SNI was disabled. Use a FQDN or '-servername <fqdn>'" 1>&2
|
||||
sni_target=''
|
||||
fi
|
||||
fi
|
||||
debug "sclientargs: $SCLIENTARGS"
|
||||
debug "sclientargs: ${SCLIENTARGS[*]}"
|
||||
|
||||
|
||||
cipherspref=()
|
||||
@ -2193,9 +2202,9 @@ fi
|
||||
# If asked, test every single cipher individually
|
||||
if [[ -n $ALLCIPHERS ]]; then
|
||||
echo; echo "All accepted ciphersuites"
|
||||
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 $c"
|
||||
if test_cipher_on_target "$osslcommand"; then
|
||||
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" "$c")
|
||||
if test_cipher_on_target "${osslcommand[@]}"; then
|
||||
r="pass"
|
||||
else
|
||||
r="fail"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user