Add TLSv1.3 support for run_std_cipherlists()
This PR adds support for TLSv1.3 to run_std_cipherlists(). This PR also provides a partial fix for #660 - addressing the issue only for run_std_cipherlists(). Rather than testing the server once for each cipher list, it tries the server once for each protocol supported by the server. This makes the testing more robust, but adds significantly to the time it takes to perform the tests.
This commit is contained in:
David Cooper
parent
22fd594334
commit
7019f8b306
85
testssl.sh
85
testssl.sh
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@ -273,6 +273,7 @@ CLIENT_PROB_NO=1
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HAS_DH_BITS=${HAS_DH_BITS:-false} # initialize openssl variables
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HAS_SSL2=false
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HAS_SSL3=false
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HAS_TLS13=false
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HAS_NO_SSL2=false
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HAS_NOSERVERNAME=false
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HAS_ALPN=false
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@ -1041,6 +1042,33 @@ actually_supported_ciphers() {
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$OPENSSL ciphers "$1" 2>/dev/null || echo ""
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}
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# Given a protocol (arg1) and a list of ciphers (arg2) that is formatted as
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# ", xx,xx, xx,xx, xx,xx, xx,xx" remove any TLSv1.3 ciphers if the protocol
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# is less than 04 and remove any TLSv1.2-only ciphers if the protocol is less
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# than 03.
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strip_inconsistent_ciphers() {
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local -i proto=0x$1
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local cipherlist="$2"
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[[ $proto -lt 4 ]] && cipherlist="${cipherlist//, 13,0[0-9a-fA-F]/}"
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if [[ $proto -lt 3 ]]; then
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cipherlist="${cipherlist//, 00,3[b-fB-F]/}"
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cipherlist="${cipherlist//, 00,40/}"
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cipherlist="${cipherlist//, 00,6[7-9a-dA-D]/}"
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cipherlist="${cipherlist//, 00,9[c-fC-F]/}"
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cipherlist="${cipherlist//, 00,[abAB][0-9a-fA-F]/}"
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cipherlist="${cipherlist//, 00,[cC][0-5]/}"
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cipherlist="${cipherlist//, 16,[bB][7-9aA]/}"
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cipherlist="${cipherlist//, [cC]0,2[3-9a-fA-F]/}"
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cipherlist="${cipherlist//, [cC]0,3[01278a-fA-F]/}"
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cipherlist="${cipherlist//, [cC]0,[4-9aA][0-9a-fA-F]/}"
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cipherlist="${cipherlist//, [cC][cC],1[345]/}"
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cipherlist="${cipherlist//, [cC][cC],[aA][89a-eA-E]/}"
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fi
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echo "$cipherlist"
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return 0
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}
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newline_to_spaces() {
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tr '\n' ' ' <<< "$1" | sed 's/ $//'
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}
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@ -2407,7 +2435,7 @@ listciphers() {
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# argv[6]: SSLv2 cipher list to test (hexcodes), if using sockets
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std_cipherlists() {
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local -i i len sclient_success
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local sslv2_cipherlist detected_ssl2_ciphers
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local cipherlist sslv2_cipherlist detected_ssl2_ciphers
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local singlespaces
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local proto=""
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local debugname="$(sed -e s'/\!/not/g' -e 's/\:/_/g' <<< "$1")"
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@ -2416,14 +2444,45 @@ std_cipherlists() {
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pr_bold "$2 " # to be indented equal to server preferences
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if [[ -n "$5" ]] || listciphers "$1" $proto; then
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if [[ -z "$5" ]] || ( "$FAST" && listciphers "$1" -tls1 ); then
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$OPENSSL s_client $(s_client_options "-cipher "$1" $BUGS $STARTTLS -connect $NODEIP:$PORT $PROXY $SNI -no_ssl2") 2>$ERRFILE >$TMPFILE </dev/null
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for proto in -no_ssl2 -tls1_2 -tls1_1 -tls1 -ssl3; do
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if [[ "$proto" == "-tls1_2" ]]; then
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# If $OPENSSL doesn't support TLSv1.3 or if no TLSv1.3
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# ciphers are being tested, then a TLSv1.2 ClientHello
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# was tested in the first iteration.
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! "$HAS_TLS13" && continue
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[[ ! "$($OPENSSL ciphers "$1")" =~ TLS13 ]] && continue
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fi
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! "$HAS_SSL3" && [[ "$proto" == "-ssl3" ]] && continue
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if [[ "$proto" != "-no_ssl2" ]]; then
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"$FAST" && continue
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[[ $(has_server_protocol "${proto:1}") -eq 1 ]] && continue
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fi
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# FIXME: This check won't be needed once PR #827 is approved. At that point just the "else" statement will be needed.
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if "$HAS_TLS13" && [[ "$proto" == "-no_ssl2" ]] && [[ ! "$($OPENSSL ciphers "$1")" =~ TLS13 ]]; then
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$OPENSSL s_client $(s_client_options "-cipher "$1" $BUGS $STARTTLS -connect $NODEIP:$PORT $PROXY $SNI $proto -no_tls1_3") 2>$ERRFILE >$TMPFILE </dev/null
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else
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$OPENSSL s_client $(s_client_options "-cipher "$1" $BUGS $STARTTLS -connect $NODEIP:$PORT $PROXY $SNI $proto") 2>$ERRFILE >$TMPFILE </dev/null
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fi
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sclient_connect_successful $? $TMPFILE
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sclient_success=$?
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debugme cat $ERRFILE
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[[ $sclient_success -eq 0 ]] && break
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done
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else
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tls_sockets "03" "$5"
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for proto in 04 03 02 01 00; do
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# If $cipherlist doesn't contain any TLSv1.3 ciphers, then there is
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# no reason to try a TLSv1.3 ClientHello.
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[[ "$proto" == "04" ]] && [[ ! "$5" =~ "13,0" ]] && continue
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[[ $(has_server_protocol "$proto") -eq 1 ]] && continue
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cipherlist="$(strip_inconsistent_ciphers "$proto" ", $5")"
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cipherlist="${cipherlist:2}"
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if [[ -n "$cipherlist" ]] && [[ "$cipherlist" != "00,ff" ]]; then
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tls_sockets "$proto" "$cipherlist"
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sclient_success=$?
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[[ $sclient_success -eq 2 ]] && sclient_success=0
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[[ $sclient_success -eq 0 ]] && break
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fi
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done
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fi
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if [[ $sclient_success -ne 0 ]] && [[ 1 -ne $(has_server_protocol ssl2) ]]; then
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if ( [[ -z "$6" ]] || "$FAST" ) && "$HAS_SSL2" && listciphers "$1" -ssl2; then
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@ -4012,11 +4071,21 @@ add_tls_offered() {
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# function which checks whether SSLv2 - TLS 1.2 is being offereed, see add_tls_offered()
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has_server_protocol() {
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local proto
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local proto_val_pair
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if [[ "$PROTOS_OFFERED" =~ $1: ]]; then
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case "$1" in
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04) proto="tls1_3" ;;
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03) proto="tls1_2" ;;
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02) proto="tls1_1" ;;
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01) proto="tls1" ;;
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00) proto="ssl3" ;;
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*) proto="$1" ;;
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esac
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if [[ "$PROTOS_OFFERED" =~ $proto: ]]; then
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for proto_val_pair in $PROTOS_OFFERED; do
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if [[ $proto_val_pair =~ $1: ]]; then
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if [[ $proto_val_pair =~ $proto: ]]; then
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if [[ ${proto_val_pair#*:} == "yes" ]]; then
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echo 0
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return 0
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@ -4365,7 +4434,7 @@ run_std_cipherlists() {
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local high_ciphers="c0,28, c0,24, c0,14, c0,0a, c0,22, c0,21, c0,20, 00,b7, 00,b3, 00,91, c0,9b, c0,99, c0,97, 00,af, c0,95, 00,6b, 00,6a, 00,69, 00,68, 00,39, 00,38, 00,37, 00,36, c0,77, c0,73, 00,c4, 00,c3, 00,c2, 00,c1, 00,88, 00,87, 00,86, 00,85, c0,2a, c0,26, c0,0f, c0,05, c0,79, c0,75, 00,3d, 00,35, 00,c0, c0,38, c0,36, 00,84, 00,95, 00,8d, c0,3d, c0,3f, c0,41, c0,43, c0,45, c0,49, c0,4b, c0,4d, c0,4f, c0,65, c0,67, c0,69, c0,71, 00,80, 00,81, ff,00, ff,01, ff,02, ff,03, ff,85, c0,27, c0,23, c0,13, c0,09, c0,1f, c0,1e, c0,1d, 00,67, 00,40, 00,3f, 00,3e, 00,33, 00,32, 00,31, 00,30, c0,76, c0,72, 00,be, 00,bd, 00,bc, 00,bb, 00,45, 00,44, 00,43, 00,42, c0,29, c0,25, c0,0e, c0,04, c0,78, c0,74, 00,3c, 00,2f, 00,ba, c0,37, c0,35, 00,b6, 00,b2, 00,90, 00,41, c0,9a, c0,98, c0,96, 00,ae, c0,94, 00,94, 00,8c, c0,3c, c0,3e, c0,40, c0,42, c0,44, c0,48, c0,4a, c0,4c, c0,4e, c0,64, c0,66, c0,68, c0,70"
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# no SSLv2 here and in strong
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# ~ equivalent to 'grep AEAD etc/cipher-mapping.txt | grep -v Au=None'
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local strong_ciphers="cc,14, cc,13, cc,15, c0,30, c0,2c, 00,a5, 00,a3, 00,a1, 00,9f, cc,a9, cc,a8, cc,aa, c0,af, c0,ad, c0,a3, c0,9f, 00,ad, 00,ab, cc,ae, cc,ad, cc,ac, c0,ab, c0,a7, c0,32, c0,2e, 00,9d, c0,a1, c0,9d, 00,a9, cc,ab, c0,a9, c0,a5, c0,51, c0,53, c0,55, c0,57, c0,59, c0,5d, c0,5f, c0,61, c0,63, c0,6b, c0,6d, c0,6f, c0,7b, c0,7d, c0,7f, c0,81, c0,83, c0,87, c0,89, c0,8b, c0,8d, c0,8f, c0,91, c0,93, 16,b7, 16,b8, 16,b9, 16,ba, c0,2f, c0,2b, 00,a4, 00,a2, 00,a0, 00,9e, c0,ae, c0,ac, c0,a2, c0,9e, 00,ac, 00,aa, c0,aa, c0,a6, c0,a0, c0,9c, 00,a8, c0,a8, c0,a4, c0,31, c0,2d, 00,9c, c0,50, c0,52, c0,54, c0,56, c0,58, c0,5c, c0,5e, c0,60, c0,62, c0,6a, c0,6c, c0,6e, c0,7a, c0,7c, c0,7e, c0,80, c0,82, c0,86, c0,88, c0,8a, c0,8c, c0,8e, c0,90, c0,92, 00,ff"
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local strong_ciphers="13,01, 13,02, 13,03, 13,04, 13,05, cc,14, cc,13, cc,15, c0,30, c0,2c, 00,a5, 00,a3, 00,a1, 00,9f, cc,a9, cc,a8, cc,aa, c0,af, c0,ad, c0,a3, c0,9f, 00,ad, 00,ab, cc,ae, cc,ad, cc,ac, c0,ab, c0,a7, c0,32, c0,2e, 00,9d, c0,a1, c0,9d, 00,a9, cc,ab, c0,a9, c0,a5, c0,51, c0,53, c0,55, c0,57, c0,59, c0,5d, c0,5f, c0,61, c0,63, c0,6b, c0,6d, c0,6f, c0,7b, c0,7d, c0,7f, c0,81, c0,83, c0,87, c0,89, c0,8b, c0,8d, c0,8f, c0,91, c0,93, 16,b7, 16,b8, 16,b9, 16,ba, c0,2f, c0,2b, 00,a4, 00,a2, 00,a0, 00,9e, c0,ae, c0,ac, c0,a2, c0,9e, 00,ac, 00,aa, c0,aa, c0,a6, c0,a0, c0,9c, 00,a8, c0,a8, c0,a4, c0,31, c0,2d, 00,9c, c0,50, c0,52, c0,54, c0,56, c0,58, c0,5c, c0,5e, c0,60, c0,62, c0,6a, c0,6c, c0,6e, c0,7a, c0,7c, c0,7e, c0,80, c0,82, c0,86, c0,88, c0,8a, c0,8c, c0,8e, c0,90, c0,92, 00,ff"
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"$SSL_NATIVE" && using_sockets=false
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if ! "$using_sockets"; then
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@ -12339,6 +12408,9 @@ find_openssl_binary() {
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$OPENSSL s_client -ssl3 -connect x 2>&1 | grep -aq "unknown option" || \
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HAS_SSL3=true
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$OPENSSL s_client -tls1_3 -connect x 2>&1 | grep -aq "unknown option" || \
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HAS_TLS13=true
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$OPENSSL s_client -no_ssl2 -connect x 2>&1 | grep -aq "unknown option" || \
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HAS_NO_SSL2=true
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@ -12592,6 +12664,7 @@ OPENSSL_CONF: $OPENSSL_CONF
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HAS_IPv6: $HAS_IPv6
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HAS_SSL2: $HAS_SSL2
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HAS_SSL3: $HAS_SSL3
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HAS_TLS13: $HAS_TLS13
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HAS_NO_SSL2: $HAS_NO_SSL2
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HAS_SPDY: $HAS_SPDY
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HAS_ALPN: $HAS_ALPN
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