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Add TLSv1.3 support for run_server_defaults()

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This commit adds TLSv1.3 support for run_server_defaults(). It uses get_server_certificate() to run separate checks for RSA and ECDSA certificates by sending TLSv1.3 ClientHello messages with different signature_algorithms values. A similar change is made to certificate_transparency() in order to check for certificate transparency support for certificates returned over TLSv1.3. It also modifies the check for certificates offered without SNI by including an option to use tls_sockets() with servers that support TLSv1.3 if OpenSSL does not support TLSv1.3.
This commit is contained in:
David Cooper 2018-01-26 16:56:31 -05:00 committed by GitHub
parent c1d75f65ce
commit fa87f8ffd5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 85 additions and 16 deletions
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testssl.sh
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@ -6037,6 +6037,38 @@ get_server_certificate() {
local success
local npn_params="" line
if [[ "$1" =~ "-cipher tls1_3" ]]; then
[[ $(has_server_protocol "tls1_3") -eq 1 ]] && return 1
if "$HAS_TLS13"; then
if [[ "$1" =~ "-cipher tls1_3_RSA" ]]; then
$OPENSSL s_client $(s_client_options "$STARTTLS $BUGS -showcerts -connect $NODEIP:$PORT $PROXY $SNI -tls1_3 -tlsextdebug -status -sigalgs PSS+SHA256:PSS+SHA384") </dev/null 2>$ERRFILE >$TMPFILE
elif [[ "$1" =~ "-cipher tls1_3_ECDSA" ]]; then
$OPENSSL s_client $(s_client_options "$STARTTLS $BUGS -showcerts -connect $NODEIP:$PORT $PROXY $SNI -tls1_3 -tlsextdebug -status -sigalgs ECDSA+SHA256:ECDSA+SHA384") </dev/null 2>$ERRFILE >$TMPFILE
else
return 1
fi
sclient_connect_successful $? $TMPFILE || return 1
DETECTED_TLS_VERSION="0304"
extract_certificates "tls1_3"
success=$?
else
if [[ "$1" =~ "-cipher tls1_3_RSA" ]]; then
tls_sockets "04" "$TLS13_CIPHER" "all" "00,12,00,00, 00,05,00,05,01,00,00,00,00, 00,0d,00,10,00,0e,08,04,08,05,08,06,04,01,05,01,06,01,02,01"
elif [[ "$1" =~ "-cipher tls1_3_ECDSA" ]]; then
tls_sockets "04" "$TLS13_CIPHER" "all" "00,12,00,00, 00,05,00,05,01,00,00,00,00, 00,0d,00,0a,00,08,04,03,05,03,06,03,02,03"
else
return 1
fi
success=$?
[[ $success -eq 0 ]] || return 1
cp "$TEMPDIR/$NODEIP.parse_tls_serverhello.txt" $TMPFILE
fi
[[ $success -eq 0 ]] && add_tls_offered tls1_3 yes
extract_new_tls_extensions $TMPFILE
tmpfile_handle $FUNCNAME.txt
return $success
fi
"$HAS_SPDY" && [[ -z "$STARTTLS" ]] && npn_params="-nextprotoneg \"$NPN_PROTOs\""
if [[ -n "$2" ]]; then
@ -6301,6 +6333,7 @@ certificate_transparency() {
local sni=""
local ciphers=""
local hexc n ciph sslver kx auth enc mac export
local extra_extns=""
local -i success
# First check whether signed certificate timestamps (SCT) are included in the
@ -6326,13 +6359,24 @@ certificate_transparency() {
fi
if [[ $number_of_certificates -gt 1 ]] && ! "$SSL_NATIVE"; then
while read hexc n ciph sslver kx auth enc mac export; do
if [[ ${#hexc} -eq 9 ]]; then
ciphers+=", ${hexc:2:2},${hexc:7:2}"
if [[ "$tls_version" == "0304" ]]; then
ciphers=", 13,01, 13,02, 13,03, 13,04, 13,05"
if [[ "$cipher" == "tls1_3_RSA" ]]; then
extra_extns=", 00,0d,00,10,00,0e,08,04,08,05,08,06,04,01,05,01,06,01,02,01"
elif [[ "$cipher" == "tls1_3_ECDSA" ]]; then
extra_extns=", 00,0d,00,0a,00,08,04,03,05,03,06,03,02,03"
else
return 1
fi
done < <($OPENSSL ciphers -V $cipher 2>>$ERRFILE)
else
while read hexc n ciph sslver kx auth enc mac export; do
if [[ ${#hexc} -eq 9 ]]; then
ciphers+=", ${hexc:2:2},${hexc:7:2}"
fi
done < <($OPENSSL ciphers -V $cipher 2>>$ERRFILE)
fi
[[ -z "$sni_used" ]] && sni="$SNI" && SNI=""
tls_sockets "${tls_version:2:2}" "${ciphers:2}" "all" "00,12,00,00"
tls_sockets "${tls_version:2:2}" "${ciphers:2}" "all" "00,12,00,00$extra_extns"
success=$?
[[ -z "$sni_used" ]] && SNI="$sni"
if ( [[ $success -eq 0 ]] || [[ $success -eq 2 ]] ) && \
@ -7122,23 +7166,26 @@ run_server_defaults() {
ciphers_to_test[5]="aECDH"
ciphers_to_test[6]="aECDSA"
ciphers_to_test[7]="aGOST"
ciphers_to_test[8]="tls1_3_RSA"
ciphers_to_test[9]="tls1_3_ECDSA"
certificate_type[1]="RSASig" ; certificate_type[2]="RSAKMK"
certificate_type[3]="DSA"; certificate_type[4]="DH"
certificate_type[5]="ECDH" ; certificate_type[6]="ECDSA"
certificate_type[7]="GOST"
certificate_type[7]="GOST" ; certificate_type[8]="RSASig"
certificate_type[9]="ECDSA"
for (( n=1; n <= 14 ; n++ )); do
for (( n=1; n <= 16 ; n++ )); do
# Some servers use a different certificate if the ClientHello
# specifies TLSv1.1 and doesn't include a server name extension.
# So, for each public key type for which a certificate was found,
# try again, but only with TLSv1.1 and without SNI.
if [[ $n -ge 8 ]]; then
if [[ $n -ge 10 ]]; then
ciphers_to_test[n]=""
[[ ${success[n-7]} -eq 0 ]] && ciphers_to_test[n]="${ciphers_to_test[n-7]}" && certificate_type[n]="${certificate_type[n-7]}"
[[ ${success[n-9]} -eq 0 ]] && ciphers_to_test[n]="${ciphers_to_test[n-9]}" && certificate_type[n]="${certificate_type[n-9]}"
fi
if [[ -n "${ciphers_to_test[n]}" ]] && [[ $(count_ciphers $($OPENSSL ciphers "${ciphers_to_test[n]}" 2>>$ERRFILE)) -ge 1 ]]; then
if [[ $n -ge 8 ]]; then
if [[ -n "${ciphers_to_test[n]}" ]] && ( [[ "${ciphers_to_test[n]}" =~ "tls1_3" ]] || [[ $(count_ciphers $($OPENSSL ciphers "${ciphers_to_test[n]}" 2>>$ERRFILE)) -ge 1 ]] ); then
if [[ $n -ge 10 ]]; then
sni="$SNI"
SNI=""
get_server_certificate "-cipher ${ciphers_to_test[n]}" "tls1_1"
@ -7148,8 +7195,8 @@ run_server_defaults() {
get_server_certificate "-cipher ${ciphers_to_test[n]}"
success[n]=$?
fi
if [[ ${success[n]} -eq 0 ]]; then
[[ $n -ge 8 ]] && [[ ! -e $HOSTCERT.nosni ]] && cp $HOSTCERT $HOSTCERT.nosni
if [[ ${success[n]} -eq 0 ]] && [[ -s "$HOSTCERT" ]]; then
[[ $n -ge 10 ]] && [[ ! -e $HOSTCERT.nosni ]] && cp $HOSTCERT $HOSTCERT.nosni
cp "$TEMPDIR/$NODEIP.get_server_certificate.txt" $TMPFILE
>$ERRFILE
if [[ -z "$sessticket_lifetime_hint" ]]; then
@ -7167,7 +7214,7 @@ run_server_defaults() {
fi
i=$((i + 1))
done
if ! "$match_found" && [[ $n -ge 8 ]] && [[ $certs_found -ne 0 ]]; then
if ! "$match_found" && [[ $n -ge 10 ]] && [[ $certs_found -ne 0 ]]; then
# A new certificate was found using TLSv1.1 without SNI.
# Check to see if the new certificate should be displayed.
# It should be displayed if it is either a match for the
@ -7218,7 +7265,7 @@ run_server_defaults() {
ocsp_response_status[certs_found]=$(grep -a "OCSP Response Status" $TMPFILE)
previous_hostcert[certs_found]=$newhostcert
previous_intermediates[certs_found]=$(cat $TEMPDIR/intermediatecerts.pem)
[[ $n -ge 8 ]] && sni_used[certs_found]="" || sni_used[certs_found]="$SNI"
[[ $n -ge 10 ]] && sni_used[certs_found]="" || sni_used[certs_found]="$SNI"
tls_version[certs_found]="$DETECTED_TLS_VERSION"
previous_hostcert_type[certs_found]=" ${certificate_type[n]}"
else
@ -7352,7 +7399,29 @@ run_server_defaults() {
if [[ -n "$SNI" ]] && [[ $certs_found -ne 0 ]] && [[ ! -e $HOSTCERT.nosni ]]; then
# no cipher suites specified here. We just want the default vhost subject
$OPENSSL s_client $(s_client_options "$STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $OPTIMAL_PROTO") 2>>$ERRFILE </dev/null | awk '/-----BEGIN/,/-----END/ { print $0 }' >$HOSTCERT.nosni
if ! "$HAS_TLS13" && [[ $(has_server_protocol "tls1_3") -eq 0 ]]; then
sni="$SNI" ; SNI=""
mv $HOSTCERT $HOSTCERT.save
# Send same list of cipher suites as OpenSSL 1.1.1 sends (but with
# all 5 TLSv1.3 ciphers offered.
tls_sockets "04" \
"c0,2c, c0,30, 00,9f, cc,a9, cc,a8, cc,aa, c0,2b, c0,2f,
00,9e, c0,24, c0,28, 00,6b, c0,23, c0,27, 00,67, c0,0a,
c0,14, 00,39, c0,09, c0,13, 00,33, 00,9d, 00,9c, 13,02,
13,03, 13,01, 13,04, 13,05, 00,3d, 00,3c, 00,35, 00,2f,
00,ff" \
"all"
success[0]=$?
if [[ ${success[0]} -eq 0 ]] || [[ ${success[0]} -eq 2 ]]; then
mv $HOSTCERT $HOSTCERT.nosni
else
echo "" > $HOSTCERT.nosni
fi
mv $HOSTCERT.save $HOSTCERT
SNI="$sni"
else
$OPENSSL s_client $(s_client_options "$STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $OPTIMAL_PROTO") 2>>$ERRFILE </dev/null | awk '/-----BEGIN/,/-----END/ { print $0 }' >$HOSTCERT.nosni
fi
fi
for (( i=1; i <= certs_found; i++ )); do