| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <assert.h> |
| |
| #include <apr_strings.h> |
| #include <apr_optional.h> |
| #include <apr_optional_hooks.h> |
| |
| #include <httpd.h> |
| #include <http_core.h> |
| #include <http_config.h> |
| #include <http_connection.h> |
| #include <http_protocol.h> |
| #include <http_request.h> |
| #include <http_ssl.h> |
| #include <http_log.h> |
| |
| #include "mod_http2.h" |
| #include "h2_private.h" |
| |
| #include "h2_bucket_beam.h" |
| #include "h2_stream.h" |
| #include "h2_c2.h" |
| #include "h2_config.h" |
| #include "h2_conn_ctx.h" |
| #include "h2_c1.h" |
| #include "h2_request.h" |
| #include "h2_headers.h" |
| #include "h2_session.h" |
| #include "h2_util.h" |
| #include "h2_protocol.h" |
| #include "mod_http2.h" |
| |
| const char *h2_protocol_ids_tls[] = { |
| "h2", NULL |
| }; |
| |
| const char *h2_protocol_ids_clear[] = { |
| "h2c", NULL |
| }; |
| |
| const char *H2_MAGIC_TOKEN = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"; |
| |
| /******************************************************************************* |
| * HTTP/2 error stuff |
| */ |
| static const char *h2_err_descr[] = { |
| "no error", /* 0x0 */ |
| "protocol error", |
| "internal error", |
| "flow control error", |
| "settings timeout", |
| "stream closed", /* 0x5 */ |
| "frame size error", |
| "refused stream", |
| "cancel", |
| "compression error", |
| "connect error", /* 0xa */ |
| "enhance your calm", |
| "inadequate security", |
| "http/1.1 required", |
| }; |
| |
| const char *h2_protocol_err_description(unsigned int h2_error) |
| { |
| if (h2_error < (sizeof(h2_err_descr)/sizeof(h2_err_descr[0]))) { |
| return h2_err_descr[h2_error]; |
| } |
| return "unknown http/2 error code"; |
| } |
| |
| /******************************************************************************* |
| * Check connection security requirements of RFC 7540 |
| */ |
| |
| /* |
| * Black Listed Ciphers from RFC 7549 Appendix A |
| * |
| */ |
| static const char *RFC7540_names[] = { |
| /* ciphers with NULL encrpytion */ |
| "NULL-MD5", /* TLS_NULL_WITH_NULL_NULL */ |
| /* same */ /* TLS_RSA_WITH_NULL_MD5 */ |
| "NULL-SHA", /* TLS_RSA_WITH_NULL_SHA */ |
| "NULL-SHA256", /* TLS_RSA_WITH_NULL_SHA256 */ |
| "PSK-NULL-SHA", /* TLS_PSK_WITH_NULL_SHA */ |
| "DHE-PSK-NULL-SHA", /* TLS_DHE_PSK_WITH_NULL_SHA */ |
| "RSA-PSK-NULL-SHA", /* TLS_RSA_PSK_WITH_NULL_SHA */ |
| "PSK-NULL-SHA256", /* TLS_PSK_WITH_NULL_SHA256 */ |
| "PSK-NULL-SHA384", /* TLS_PSK_WITH_NULL_SHA384 */ |
| "DHE-PSK-NULL-SHA256", /* TLS_DHE_PSK_WITH_NULL_SHA256 */ |
| "DHE-PSK-NULL-SHA384", /* TLS_DHE_PSK_WITH_NULL_SHA384 */ |
| "RSA-PSK-NULL-SHA256", /* TLS_RSA_PSK_WITH_NULL_SHA256 */ |
| "RSA-PSK-NULL-SHA384", /* TLS_RSA_PSK_WITH_NULL_SHA384 */ |
| "ECDH-ECDSA-NULL-SHA", /* TLS_ECDH_ECDSA_WITH_NULL_SHA */ |
| "ECDHE-ECDSA-NULL-SHA", /* TLS_ECDHE_ECDSA_WITH_NULL_SHA */ |
| "ECDH-RSA-NULL-SHA", /* TLS_ECDH_RSA_WITH_NULL_SHA */ |
| "ECDHE-RSA-NULL-SHA", /* TLS_ECDHE_RSA_WITH_NULL_SHA */ |
| "AECDH-NULL-SHA", /* TLS_ECDH_anon_WITH_NULL_SHA */ |
| "ECDHE-PSK-NULL-SHA", /* TLS_ECDHE_PSK_WITH_NULL_SHA */ |
| "ECDHE-PSK-NULL-SHA256", /* TLS_ECDHE_PSK_WITH_NULL_SHA256 */ |
| "ECDHE-PSK-NULL-SHA384", /* TLS_ECDHE_PSK_WITH_NULL_SHA384 */ |
| |
| /* DES/3DES ciphers */ |
| "PSK-3DES-EDE-CBC-SHA", /* TLS_PSK_WITH_3DES_EDE_CBC_SHA */ |
| "DHE-PSK-3DES-EDE-CBC-SHA", /* TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA */ |
| "RSA-PSK-3DES-EDE-CBC-SHA", /* TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA */ |
| "ECDH-ECDSA-DES-CBC3-SHA", /* TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA */ |
| "ECDHE-ECDSA-DES-CBC3-SHA", /* TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA */ |
| "ECDH-RSA-DES-CBC3-SHA", /* TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA */ |
| "ECDHE-RSA-DES-CBC3-SHA", /* TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA */ |
| "AECDH-DES-CBC3-SHA", /* TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA */ |
| "SRP-3DES-EDE-CBC-SHA", /* TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA */ |
| "SRP-RSA-3DES-EDE-CBC-SHA", /* TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA */ |
| "SRP-DSS-3DES-EDE-CBC-SHA", /* TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA */ |
| "ECDHE-PSK-3DES-EDE-CBC-SHA", /* TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA */ |
| "DES-CBC-SHA", /* TLS_RSA_WITH_DES_CBC_SHA */ |
| "DES-CBC3-SHA", /* TLS_RSA_WITH_3DES_EDE_CBC_SHA */ |
| "DHE-DSS-DES-CBC3-SHA", /* TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA */ |
| "DHE-RSA-DES-CBC-SHA", /* TLS_DHE_RSA_WITH_DES_CBC_SHA */ |
| "DHE-RSA-DES-CBC3-SHA", /* TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA */ |
| "ADH-DES-CBC-SHA", /* TLS_DH_anon_WITH_DES_CBC_SHA */ |
| "ADH-DES-CBC3-SHA", /* TLS_DH_anon_WITH_3DES_EDE_CBC_SHA */ |
| "EXP-DH-DSS-DES-CBC-SHA", /* TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA */ |
| "DH-DSS-DES-CBC-SHA", /* TLS_DH_DSS_WITH_DES_CBC_SHA */ |
| "DH-DSS-DES-CBC3-SHA", /* TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA */ |
| "EXP-DH-RSA-DES-CBC-SHA", /* TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA */ |
| "DH-RSA-DES-CBC-SHA", /* TLS_DH_RSA_WITH_DES_CBC_SHA */ |
| "DH-RSA-DES-CBC3-SHA", /* TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA */ |
| |
| /* blacklisted EXPORT ciphers */ |
| "EXP-RC4-MD5", /* TLS_RSA_EXPORT_WITH_RC4_40_MD5 */ |
| "EXP-RC2-CBC-MD5", /* TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 */ |
| "EXP-DES-CBC-SHA", /* TLS_RSA_EXPORT_WITH_DES40_CBC_SHA */ |
| "EXP-DHE-DSS-DES-CBC-SHA", /* TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA */ |
| "EXP-DHE-RSA-DES-CBC-SHA", /* TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA */ |
| "EXP-ADH-DES-CBC-SHA", /* TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA */ |
| "EXP-ADH-RC4-MD5", /* TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 */ |
| |
| /* blacklisted RC4 encryption */ |
| "RC4-MD5", /* TLS_RSA_WITH_RC4_128_MD5 */ |
| "RC4-SHA", /* TLS_RSA_WITH_RC4_128_SHA */ |
| "ADH-RC4-MD5", /* TLS_DH_anon_WITH_RC4_128_MD5 */ |
| "KRB5-RC4-SHA", /* TLS_KRB5_WITH_RC4_128_SHA */ |
| "KRB5-RC4-MD5", /* TLS_KRB5_WITH_RC4_128_MD5 */ |
| "EXP-KRB5-RC4-SHA", /* TLS_KRB5_EXPORT_WITH_RC4_40_SHA */ |
| "EXP-KRB5-RC4-MD5", /* TLS_KRB5_EXPORT_WITH_RC4_40_MD5 */ |
| "PSK-RC4-SHA", /* TLS_PSK_WITH_RC4_128_SHA */ |
| "DHE-PSK-RC4-SHA", /* TLS_DHE_PSK_WITH_RC4_128_SHA */ |
| "RSA-PSK-RC4-SHA", /* TLS_RSA_PSK_WITH_RC4_128_SHA */ |
| "ECDH-ECDSA-RC4-SHA", /* TLS_ECDH_ECDSA_WITH_RC4_128_SHA */ |
| "ECDHE-ECDSA-RC4-SHA", /* TLS_ECDHE_ECDSA_WITH_RC4_128_SHA */ |
| "ECDH-RSA-RC4-SHA", /* TLS_ECDH_RSA_WITH_RC4_128_SHA */ |
| "ECDHE-RSA-RC4-SHA", /* TLS_ECDHE_RSA_WITH_RC4_128_SHA */ |
| "AECDH-RC4-SHA", /* TLS_ECDH_anon_WITH_RC4_128_SHA */ |
| "ECDHE-PSK-RC4-SHA", /* TLS_ECDHE_PSK_WITH_RC4_128_SHA */ |
| |
| /* blacklisted AES128 encrpytion ciphers */ |
| "AES128-SHA256", /* TLS_RSA_WITH_AES_128_CBC_SHA */ |
| "DH-DSS-AES128-SHA", /* TLS_DH_DSS_WITH_AES_128_CBC_SHA */ |
| "DH-RSA-AES128-SHA", /* TLS_DH_RSA_WITH_AES_128_CBC_SHA */ |
| "DHE-DSS-AES128-SHA", /* TLS_DHE_DSS_WITH_AES_128_CBC_SHA */ |
| "DHE-RSA-AES128-SHA", /* TLS_DHE_RSA_WITH_AES_128_CBC_SHA */ |
| "ADH-AES128-SHA", /* TLS_DH_anon_WITH_AES_128_CBC_SHA */ |
| "AES128-SHA256", /* TLS_RSA_WITH_AES_128_CBC_SHA256 */ |
| "DH-DSS-AES128-SHA256", /* TLS_DH_DSS_WITH_AES_128_CBC_SHA256 */ |
| "DH-RSA-AES128-SHA256", /* TLS_DH_RSA_WITH_AES_128_CBC_SHA256 */ |
| "DHE-DSS-AES128-SHA256", /* TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 */ |
| "DHE-RSA-AES128-SHA256", /* TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 */ |
| "ECDH-ECDSA-AES128-SHA", /* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA */ |
| "ECDHE-ECDSA-AES128-SHA", /* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA */ |
| "ECDH-RSA-AES128-SHA", /* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA */ |
| "ECDHE-RSA-AES128-SHA", /* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA */ |
| "AECDH-AES128-SHA", /* TLS_ECDH_anon_WITH_AES_128_CBC_SHA */ |
| "ECDHE-ECDSA-AES128-SHA256", /* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 */ |
| "ECDH-ECDSA-AES128-SHA256", /* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 */ |
| "ECDHE-RSA-AES128-SHA256", /* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 */ |
| "ECDH-RSA-AES128-SHA256", /* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 */ |
| "ADH-AES128-SHA256", /* TLS_DH_anon_WITH_AES_128_CBC_SHA256 */ |
| "PSK-AES128-CBC-SHA", /* TLS_PSK_WITH_AES_128_CBC_SHA */ |
| "DHE-PSK-AES128-CBC-SHA", /* TLS_DHE_PSK_WITH_AES_128_CBC_SHA */ |
| "RSA-PSK-AES128-CBC-SHA", /* TLS_RSA_PSK_WITH_AES_128_CBC_SHA */ |
| "PSK-AES128-CBC-SHA256", /* TLS_PSK_WITH_AES_128_CBC_SHA256 */ |
| "DHE-PSK-AES128-CBC-SHA256", /* TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 */ |
| "RSA-PSK-AES128-CBC-SHA256", /* TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 */ |
| "ECDHE-PSK-AES128-CBC-SHA", /* TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA */ |
| "ECDHE-PSK-AES128-CBC-SHA256", /* TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 */ |
| "AES128-CCM", /* TLS_RSA_WITH_AES_128_CCM */ |
| "AES128-CCM8", /* TLS_RSA_WITH_AES_128_CCM_8 */ |
| "PSK-AES128-CCM", /* TLS_PSK_WITH_AES_128_CCM */ |
| "PSK-AES128-CCM8", /* TLS_PSK_WITH_AES_128_CCM_8 */ |
| "AES128-GCM-SHA256", /* TLS_RSA_WITH_AES_128_GCM_SHA256 */ |
| "DH-RSA-AES128-GCM-SHA256", /* TLS_DH_RSA_WITH_AES_128_GCM_SHA256 */ |
| "DH-DSS-AES128-GCM-SHA256", /* TLS_DH_DSS_WITH_AES_128_GCM_SHA256 */ |
| "ADH-AES128-GCM-SHA256", /* TLS_DH_anon_WITH_AES_128_GCM_SHA256 */ |
| "PSK-AES128-GCM-SHA256", /* TLS_PSK_WITH_AES_128_GCM_SHA256 */ |
| "RSA-PSK-AES128-GCM-SHA256", /* TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 */ |
| "ECDH-ECDSA-AES128-GCM-SHA256", /* TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 */ |
| "ECDH-RSA-AES128-GCM-SHA256", /* TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 */ |
| "SRP-AES-128-CBC-SHA", /* TLS_SRP_SHA_WITH_AES_128_CBC_SHA */ |
| "SRP-RSA-AES-128-CBC-SHA", /* TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA */ |
| "SRP-DSS-AES-128-CBC-SHA", /* TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA */ |
| |
| /* blacklisted AES256 encrpytion ciphers */ |
| "AES256-SHA", /* TLS_RSA_WITH_AES_256_CBC_SHA */ |
| "DH-DSS-AES256-SHA", /* TLS_DH_DSS_WITH_AES_256_CBC_SHA */ |
| "DH-RSA-AES256-SHA", /* TLS_DH_RSA_WITH_AES_256_CBC_SHA */ |
| "DHE-DSS-AES256-SHA", /* TLS_DHE_DSS_WITH_AES_256_CBC_SHA */ |
| "DHE-RSA-AES256-SHA", /* TLS_DHE_RSA_WITH_AES_256_CBC_SHA */ |
| "ADH-AES256-SHA", /* TLS_DH_anon_WITH_AES_256_CBC_SHA */ |
| "AES256-SHA256", /* TLS_RSA_WITH_AES_256_CBC_SHA256 */ |
| "DH-DSS-AES256-SHA256", /* TLS_DH_DSS_WITH_AES_256_CBC_SHA256 */ |
| "DH-RSA-AES256-SHA256", /* TLS_DH_RSA_WITH_AES_256_CBC_SHA256 */ |
| "DHE-DSS-AES256-SHA256", /* TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 */ |
| "DHE-RSA-AES256-SHA256", /* TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 */ |
| "ADH-AES256-SHA256", /* TLS_DH_anon_WITH_AES_256_CBC_SHA256 */ |
| "ECDH-ECDSA-AES256-SHA", /* TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA */ |
| "ECDHE-ECDSA-AES256-SHA", /* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA */ |
| "ECDH-RSA-AES256-SHA", /* TLS_ECDH_RSA_WITH_AES_256_CBC_SHA */ |
| "ECDHE-RSA-AES256-SHA", /* TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA */ |
| "AECDH-AES256-SHA", /* TLS_ECDH_anon_WITH_AES_256_CBC_SHA */ |
| "ECDHE-ECDSA-AES256-SHA384", /* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 */ |
| "ECDH-ECDSA-AES256-SHA384", /* TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 */ |
| "ECDHE-RSA-AES256-SHA384", /* TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 */ |
| "ECDH-RSA-AES256-SHA384", /* TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 */ |
| "PSK-AES256-CBC-SHA", /* TLS_PSK_WITH_AES_256_CBC_SHA */ |
| "DHE-PSK-AES256-CBC-SHA", /* TLS_DHE_PSK_WITH_AES_256_CBC_SHA */ |
| "RSA-PSK-AES256-CBC-SHA", /* TLS_RSA_PSK_WITH_AES_256_CBC_SHA */ |
| "PSK-AES256-CBC-SHA384", /* TLS_PSK_WITH_AES_256_CBC_SHA384 */ |
| "DHE-PSK-AES256-CBC-SHA384", /* TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 */ |
| "RSA-PSK-AES256-CBC-SHA384", /* TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 */ |
| "ECDHE-PSK-AES256-CBC-SHA", /* TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA */ |
| "ECDHE-PSK-AES256-CBC-SHA384", /* TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 */ |
| "SRP-AES-256-CBC-SHA", /* TLS_SRP_SHA_WITH_AES_256_CBC_SHA */ |
| "SRP-RSA-AES-256-CBC-SHA", /* TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA */ |
| "SRP-DSS-AES-256-CBC-SHA", /* TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA */ |
| "AES256-CCM", /* TLS_RSA_WITH_AES_256_CCM */ |
| "AES256-CCM8", /* TLS_RSA_WITH_AES_256_CCM_8 */ |
| "PSK-AES256-CCM", /* TLS_PSK_WITH_AES_256_CCM */ |
| "PSK-AES256-CCM8", /* TLS_PSK_WITH_AES_256_CCM_8 */ |
| "AES256-GCM-SHA384", /* TLS_RSA_WITH_AES_256_GCM_SHA384 */ |
| "DH-RSA-AES256-GCM-SHA384", /* TLS_DH_RSA_WITH_AES_256_GCM_SHA384 */ |
| "DH-DSS-AES256-GCM-SHA384", /* TLS_DH_DSS_WITH_AES_256_GCM_SHA384 */ |
| "ADH-AES256-GCM-SHA384", /* TLS_DH_anon_WITH_AES_256_GCM_SHA384 */ |
| "PSK-AES256-GCM-SHA384", /* TLS_PSK_WITH_AES_256_GCM_SHA384 */ |
| "RSA-PSK-AES256-GCM-SHA384", /* TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 */ |
| "ECDH-ECDSA-AES256-GCM-SHA384", /* TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 */ |
| "ECDH-RSA-AES256-GCM-SHA384", /* TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 */ |
| |
| /* blacklisted CAMELLIA128 encrpytion ciphers */ |
| "CAMELLIA128-SHA", /* TLS_RSA_WITH_CAMELLIA_128_CBC_SHA */ |
| "DH-DSS-CAMELLIA128-SHA", /* TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA */ |
| "DH-RSA-CAMELLIA128-SHA", /* TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA */ |
| "DHE-DSS-CAMELLIA128-SHA", /* TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA */ |
| "DHE-RSA-CAMELLIA128-SHA", /* TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA */ |
| "ADH-CAMELLIA128-SHA", /* TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA */ |
| "ECDHE-ECDSA-CAMELLIA128-SHA256", /* TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "ECDH-ECDSA-CAMELLIA128-SHA256", /* TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "ECDHE-RSA-CAMELLIA128-SHA256", /* TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "ECDH-RSA-CAMELLIA128-SHA256", /* TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "PSK-CAMELLIA128-SHA256", /* TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "DHE-PSK-CAMELLIA128-SHA256", /* TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "RSA-PSK-CAMELLIA128-SHA256", /* TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "ECDHE-PSK-CAMELLIA128-SHA256", /* TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "CAMELLIA128-GCM-SHA256", /* TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "DH-RSA-CAMELLIA128-GCM-SHA256", /* TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "DH-DSS-CAMELLIA128-GCM-SHA256", /* TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "ADH-CAMELLIA128-GCM-SHA256", /* TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "ECDH-ECDSA-CAMELLIA128-GCM-SHA256",/* TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "ECDH-RSA-CAMELLIA128-GCM-SHA256", /* TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "PSK-CAMELLIA128-GCM-SHA256", /* TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "RSA-PSK-CAMELLIA128-GCM-SHA256", /* TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 */ |
| "CAMELLIA128-SHA256", /* TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "DH-DSS-CAMELLIA128-SHA256", /* TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "DH-RSA-CAMELLIA128-SHA256", /* TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "DHE-DSS-CAMELLIA128-SHA256", /* TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "DHE-RSA-CAMELLIA128-SHA256", /* TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 */ |
| "ADH-CAMELLIA128-SHA256", /* TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256 */ |
| |
| /* blacklisted CAMELLIA256 encrpytion ciphers */ |
| "CAMELLIA256-SHA", /* TLS_RSA_WITH_CAMELLIA_256_CBC_SHA */ |
| "DH-RSA-CAMELLIA256-SHA", /* TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA */ |
| "DH-DSS-CAMELLIA256-SHA", /* TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA */ |
| "DHE-DSS-CAMELLIA256-SHA", /* TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA */ |
| "DHE-RSA-CAMELLIA256-SHA", /* TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA */ |
| "ADH-CAMELLIA256-SHA", /* TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA */ |
| "ECDHE-ECDSA-CAMELLIA256-SHA384", /* TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "ECDH-ECDSA-CAMELLIA256-SHA384", /* TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "ECDHE-RSA-CAMELLIA256-SHA384", /* TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "ECDH-RSA-CAMELLIA256-SHA384", /* TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "PSK-CAMELLIA256-SHA384", /* TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "DHE-PSK-CAMELLIA256-SHA384", /* TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "RSA-PSK-CAMELLIA256-SHA384", /* TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "ECDHE-PSK-CAMELLIA256-SHA384", /* TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 */ |
| "CAMELLIA256-SHA256", /* TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 */ |
| "DH-DSS-CAMELLIA256-SHA256", /* TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256 */ |
| "DH-RSA-CAMELLIA256-SHA256", /* TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256 */ |
| "DHE-DSS-CAMELLIA256-SHA256", /* TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256 */ |
| "DHE-RSA-CAMELLIA256-SHA256", /* TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 */ |
| "ADH-CAMELLIA256-SHA256", /* TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256 */ |
| "CAMELLIA256-GCM-SHA384", /* TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 */ |
| "DH-RSA-CAMELLIA256-GCM-SHA384", /* TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384 */ |
| "DH-DSS-CAMELLIA256-GCM-SHA384", /* TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384 */ |
| "ADH-CAMELLIA256-GCM-SHA384", /* TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384 */ |
| "ECDH-ECDSA-CAMELLIA256-GCM-SHA384",/* TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 */ |
| "ECDH-RSA-CAMELLIA256-GCM-SHA384", /* TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 */ |
| "PSK-CAMELLIA256-GCM-SHA384", /* TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 */ |
| "RSA-PSK-CAMELLIA256-GCM-SHA384", /* TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 */ |
| |
| /* The blacklisted ARIA encrpytion ciphers */ |
| "ARIA128-SHA256", /* TLS_RSA_WITH_ARIA_128_CBC_SHA256 */ |
| "ARIA256-SHA384", /* TLS_RSA_WITH_ARIA_256_CBC_SHA384 */ |
| "DH-DSS-ARIA128-SHA256", /* TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256 */ |
| "DH-DSS-ARIA256-SHA384", /* TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384 */ |
| "DH-RSA-ARIA128-SHA256", /* TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256 */ |
| "DH-RSA-ARIA256-SHA384", /* TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384 */ |
| "DHE-DSS-ARIA128-SHA256", /* TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256 */ |
| "DHE-DSS-ARIA256-SHA384", /* TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384 */ |
| "DHE-RSA-ARIA128-SHA256", /* TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 */ |
| "DHE-RSA-ARIA256-SHA384", /* TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 */ |
| "ADH-ARIA128-SHA256", /* TLS_DH_anon_WITH_ARIA_128_CBC_SHA256 */ |
| "ADH-ARIA256-SHA384", /* TLS_DH_anon_WITH_ARIA_256_CBC_SHA384 */ |
| "ECDHE-ECDSA-ARIA128-SHA256", /* TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 */ |
| "ECDHE-ECDSA-ARIA256-SHA384", /* TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 */ |
| "ECDH-ECDSA-ARIA128-SHA256", /* TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 */ |
| "ECDH-ECDSA-ARIA256-SHA384", /* TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 */ |
| "ECDHE-RSA-ARIA128-SHA256", /* TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 */ |
| "ECDHE-RSA-ARIA256-SHA384", /* TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 */ |
| "ECDH-RSA-ARIA128-SHA256", /* TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 */ |
| "ECDH-RSA-ARIA256-SHA384", /* TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 */ |
| "ARIA128-GCM-SHA256", /* TLS_RSA_WITH_ARIA_128_GCM_SHA256 */ |
| "ARIA256-GCM-SHA384", /* TLS_RSA_WITH_ARIA_256_GCM_SHA384 */ |
| "DH-DSS-ARIA128-GCM-SHA256", /* TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256 */ |
| "DH-DSS-ARIA256-GCM-SHA384", /* TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384 */ |
| "DH-RSA-ARIA128-GCM-SHA256", /* TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256 */ |
| "DH-RSA-ARIA256-GCM-SHA384", /* TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384 */ |
| "ADH-ARIA128-GCM-SHA256", /* TLS_DH_anon_WITH_ARIA_128_GCM_SHA256 */ |
| "ADH-ARIA256-GCM-SHA384", /* TLS_DH_anon_WITH_ARIA_256_GCM_SHA384 */ |
| "ECDH-ECDSA-ARIA128-GCM-SHA256", /* TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 */ |
| "ECDH-ECDSA-ARIA256-GCM-SHA384", /* TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 */ |
| "ECDH-RSA-ARIA128-GCM-SHA256", /* TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 */ |
| "ECDH-RSA-ARIA256-GCM-SHA384", /* TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 */ |
| "PSK-ARIA128-SHA256", /* TLS_PSK_WITH_ARIA_128_CBC_SHA256 */ |
| "PSK-ARIA256-SHA384", /* TLS_PSK_WITH_ARIA_256_CBC_SHA384 */ |
| "DHE-PSK-ARIA128-SHA256", /* TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 */ |
| "DHE-PSK-ARIA256-SHA384", /* TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 */ |
| "RSA-PSK-ARIA128-SHA256", /* TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 */ |
| "RSA-PSK-ARIA256-SHA384", /* TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 */ |
| "ARIA128-GCM-SHA256", /* TLS_PSK_WITH_ARIA_128_GCM_SHA256 */ |
| "ARIA256-GCM-SHA384", /* TLS_PSK_WITH_ARIA_256_GCM_SHA384 */ |
| "RSA-PSK-ARIA128-GCM-SHA256", /* TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 */ |
| "RSA-PSK-ARIA256-GCM-SHA384", /* TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 */ |
| "ECDHE-PSK-ARIA128-SHA256", /* TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 */ |
| "ECDHE-PSK-ARIA256-SHA384", /* TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 */ |
| |
| /* blacklisted SEED encryptions */ |
| "SEED-SHA", /*TLS_RSA_WITH_SEED_CBC_SHA */ |
| "DH-DSS-SEED-SHA", /* TLS_DH_DSS_WITH_SEED_CBC_SHA */ |
| "DH-RSA-SEED-SHA", /* TLS_DH_RSA_WITH_SEED_CBC_SHA */ |
| "DHE-DSS-SEED-SHA", /* TLS_DHE_DSS_WITH_SEED_CBC_SHA */ |
| "DHE-RSA-SEED-SHA", /* TLS_DHE_RSA_WITH_SEED_CBC_SHA */ |
| "ADH-SEED-SHA", /* TLS_DH_anon_WITH_SEED_CBC_SHA */ |
| |
| /* blacklisted KRB5 ciphers */ |
| "KRB5-DES-CBC-SHA", /* TLS_KRB5_WITH_DES_CBC_SHA */ |
| "KRB5-DES-CBC3-SHA", /* TLS_KRB5_WITH_3DES_EDE_CBC_SHA */ |
| "KRB5-IDEA-CBC-SHA", /* TLS_KRB5_WITH_IDEA_CBC_SHA */ |
| "KRB5-DES-CBC-MD5", /* TLS_KRB5_WITH_DES_CBC_MD5 */ |
| "KRB5-DES-CBC3-MD5", /* TLS_KRB5_WITH_3DES_EDE_CBC_MD5 */ |
| "KRB5-IDEA-CBC-MD5", /* TLS_KRB5_WITH_IDEA_CBC_MD5 */ |
| "EXP-KRB5-DES-CBC-SHA", /* TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA */ |
| "EXP-KRB5-DES-CBC-MD5", /* TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5 */ |
| "EXP-KRB5-RC2-CBC-SHA", /* TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA */ |
| "EXP-KRB5-RC2-CBC-MD5", /* TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5 */ |
| |
| /* blacklisted exoticas */ |
| "DHE-DSS-CBC-SHA", /* TLS_DHE_DSS_WITH_DES_CBC_SHA */ |
| "IDEA-CBC-SHA", /* TLS_RSA_WITH_IDEA_CBC_SHA */ |
| |
| /* not really sure if the following names are correct */ |
| "SSL3_CK_SCSV", /* TLS_EMPTY_RENEGOTIATION_INFO_SCSV */ |
| "SSL3_CK_FALLBACK_SCSV" |
| }; |
| static size_t RFC7540_names_LEN = sizeof(RFC7540_names)/sizeof(RFC7540_names[0]); |
| |
| |
| static apr_hash_t *BLCNames; |
| |
| static void cipher_init(apr_pool_t *pool) |
| { |
| apr_hash_t *hash = apr_hash_make(pool); |
| const char *source; |
| unsigned int i; |
| |
| source = "rfc7540"; |
| for (i = 0; i < RFC7540_names_LEN; ++i) { |
| apr_hash_set(hash, RFC7540_names[i], APR_HASH_KEY_STRING, source); |
| } |
| |
| BLCNames = hash; |
| } |
| |
| static int cipher_is_blacklisted(const char *cipher, const char **psource) |
| { |
| *psource = apr_hash_get(BLCNames, cipher, APR_HASH_KEY_STRING); |
| return !!*psource; |
| } |
| |
| apr_status_t h2_protocol_init(apr_pool_t *pool, server_rec *s) |
| { |
| (void)pool; |
| ap_log_error(APLOG_MARK, APLOG_TRACE1, 0, s, "h2_h2, child_init"); |
| cipher_init(pool); |
| |
| return APR_SUCCESS; |
| } |
| |
| int h2_protocol_is_acceptable_c1(conn_rec *c, request_rec *r, int require_all) |
| { |
| int is_tls = ap_ssl_conn_is_ssl(c); |
| |
| if (is_tls && h2_config_cgeti(c, H2_CONF_MODERN_TLS_ONLY) > 0) { |
| /* Check TLS connection for modern TLS parameters, as defined in |
| * RFC 7540 and https://wiki.mozilla.org/Security/Server_Side_TLS#Modern_compatibility |
| */ |
| apr_pool_t *pool = c->pool; |
| server_rec *s = c->base_server; |
| const char *val; |
| |
| /* Need Tlsv1.2 or higher, rfc 7540, ch. 9.2 |
| */ |
| val = ap_ssl_var_lookup(pool, s, c, NULL, "SSL_PROTOCOL"); |
| if (val && *val) { |
| if (strncmp("TLS", val, 3) |
| || !strcmp("TLSv1", val) |
| || !strcmp("TLSv1.1", val)) { |
| ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03050) |
| "h2_h2(%ld): tls protocol not suitable: %s", |
| (long)c->id, val); |
| return 0; |
| } |
| } |
| else if (require_all) { |
| ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03051) |
| "h2_h2(%ld): tls protocol is indetermined", (long)c->id); |
| return 0; |
| } |
| |
| if (val && !strcmp("TLSv1.2", val)) { |
| /* Check TLS cipher blacklist, defined pre-TLSv1.3, so only |
| * checking for 1.2 */ |
| val = ap_ssl_var_lookup(pool, s, c, NULL, "SSL_CIPHER"); |
| if (val && *val) { |
| const char *source; |
| if (cipher_is_blacklisted(val, &source)) { |
| ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03052) |
| "h2_h2(%ld): tls cipher %s blacklisted by %s", |
| (long)c->id, val, source); |
| return 0; |
| } |
| } |
| else if (require_all) { |
| ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03053) |
| "h2_h2(%ld): tls cipher is indetermined", (long)c->id); |
| return 0; |
| } |
| } |
| } |
| return 1; |
| } |
| |
