From cd1370e8d857e6d170c69d59b7872624ac646a87 Mon Sep 17 00:00:00 2001 From: Ronald Cron Date: Tue, 12 Mar 2024 16:07:48 +0100 Subject: [PATCH] ssl-opt.sh: Group G->m server version selection checks Signed-off-by: Ronald Cron --- tests/ssl-opt.sh | 118 ++++++++++++++++++++++++----------------------- 1 file changed, 60 insertions(+), 58 deletions(-) diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh index fd2fc0a1b1..8ca2312593 100755 --- a/tests/ssl-opt.sh +++ b/tests/ssl-opt.sh @@ -2047,64 +2047,6 @@ run_test "Default, DTLS" \ -s "Protocol is DTLSv1.2" \ -s "Ciphersuite is TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256" -# GnuTLS can be setup to send a ClientHello containing a supported versions -# extension proposing TLS 1.2 (preferred) and then TLS 1.3. In that case, -# a TLS 1.3 and TLS 1.2 capable server is supposed to negotiate TLS 1.2 and -# to indicate in the ServerHello that it downgrades from TLS 1.3. The GnuTLS -# client then detects the downgrade indication and aborts the handshake even -# if TLS 1.2 was its preferred version. Keeping the test even if the -# handshake fails eventually as it exercices parts of the Mbed TLS -# implementation that are otherwise not exercised. -requires_gnutls_tls1_3 -requires_config_enabled MBEDTLS_DEBUG_C -requires_config_enabled MBEDTLS_SSL_SRV_C -requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2 -requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3 -requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED -run_test "Server selecting TLS 1.2 over TLS 1.3" \ - "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ - "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3" \ - 1 \ - -c "Detected downgrade to TLS 1.2 from TLS 1.3" - -requires_gnutls_tls1_3 -requires_config_enabled MBEDTLS_DEBUG_C -requires_config_enabled MBEDTLS_SSL_SRV_C -requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2 -requires_config_disabled MBEDTLS_SSL_PROTO_TLS1_3 -requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED -run_test "Server selecting TLS 1.2" \ - "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ - "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3" \ - 0 \ - -s "Protocol is TLSv1.2" \ - -c "HTTP/1.0 200 OK" - -requires_gnutls_tls1_3 -requires_config_enabled MBEDTLS_DEBUG_C -requires_config_enabled MBEDTLS_SSL_SRV_C -requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3 -requires_config_enabled MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED -run_test "Server selecting TLS 1.3, over TLS 1.2 if supported" \ - "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ - "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2:%DISABLE_TLS13_COMPAT_MODE" \ - 0 \ - -s "Protocol is TLSv1.3" \ - -c "HTTP/1.0 200 OK" - -requires_gnutls_tls1_3 -requires_config_enabled MBEDTLS_DEBUG_C -requires_config_enabled MBEDTLS_SSL_SRV_C -requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3 -requires_config_enabled MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED -requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE -run_test "Server selecting TLS 1.3, over TLS 1.2 if supported - compat mode enabled" \ - "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ - "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2" \ - 0 \ - -s "Protocol is TLSv1.3" \ - -c "HTTP/1.0 200 OK" - requires_key_exchange_with_cert_in_tls12_or_tls13_enabled run_test "TLS client auth: required" \ "$P_SRV auth_mode=required" \ @@ -6940,6 +6882,66 @@ run_test "Version check: all -> 1.2" \ -s "Protocol is TLSv1.2" \ -c "Protocol is TLSv1.2" +# Tests of version negotiation on server side against GnuTLS client + +requires_gnutls_tls1_3 +requires_config_enabled MBEDTLS_DEBUG_C +requires_config_enabled MBEDTLS_SSL_SRV_C +requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2 +requires_config_disabled MBEDTLS_SSL_PROTO_TLS1_3 +requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED +run_test "Server selecting TLS 1.2" \ + "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ + "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3" \ + 0 \ + -s "Protocol is TLSv1.2" \ + -c "HTTP/1.0 200 OK" + +requires_gnutls_tls1_3 +requires_config_enabled MBEDTLS_DEBUG_C +requires_config_enabled MBEDTLS_SSL_SRV_C +requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3 +requires_config_enabled MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED +requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE +run_test "Server selecting TLS 1.3, over TLS 1.2 if supported - compat mode enabled" \ + "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ + "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2" \ + 0 \ + -s "Protocol is TLSv1.3" \ + -c "HTTP/1.0 200 OK" + +requires_gnutls_tls1_3 +requires_config_enabled MBEDTLS_DEBUG_C +requires_config_enabled MBEDTLS_SSL_SRV_C +requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3 +requires_config_enabled MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED +run_test "Server selecting TLS 1.3, over TLS 1.2 if supported" \ + "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ + "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2:%DISABLE_TLS13_COMPAT_MODE" \ + 0 \ + -s "Protocol is TLSv1.3" \ + -c "HTTP/1.0 200 OK" + +# GnuTLS can be setup to send a ClientHello containing a supported versions +# extension proposing TLS 1.2 (preferred) and then TLS 1.3. In that case, +# a TLS 1.3 and TLS 1.2 capable server is supposed to negotiate TLS 1.2 and +# to indicate in the ServerHello that it downgrades from TLS 1.3. The GnuTLS +# client then detects the downgrade indication and aborts the handshake even +# if TLS 1.2 was its preferred version. Keeping the test even if the +# handshake fails eventually as it exercices parts of the Mbed TLS +# implementation that are otherwise not exercised. +requires_gnutls_tls1_3 +requires_config_enabled MBEDTLS_DEBUG_C +requires_config_enabled MBEDTLS_SSL_SRV_C +requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2 +requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3 +requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED +run_test "Server selecting TLS 1.2 over TLS 1.3" \ + "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key" \ + "$G_NEXT_CLI localhost --priority=NORMAL:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3" \ + 1 \ + -c "Detected downgrade to TLS 1.2 from TLS 1.3" + requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2 run_test "Not supported version check: cli TLS 1.0" \ "$P_SRV" \