/* Copyright 2015 greenbytes GmbH (https://www.greenbytes.de) * * Licensed 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 #include #include #include #include #include #include #include #include #include #include #include "mod_ssl.h" #include "mod_http2.h" #include "h2_private.h" #include "h2_bucket_beam.h" #include "h2_stream.h" #include "h2_task.h" #include "h2_config.h" #include "h2_ctx.h" #include "h2_conn.h" #include "h2_filter.h" #include "h2_request.h" #include "h2_headers.h" #include "h2_session.h" #include "h2_util.h" #include "h2_h2.h" #include "mod_http2.h" const char *h2_tls_protos[] = { "h2", NULL }; const char *h2_clear_protos[] = { "h2c", NULL }; const char *H2_MAGIC_TOKEN = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"; /******************************************************************************* * The optional mod_ssl functions we need. */ static APR_OPTIONAL_FN_TYPE(ssl_engine_disable) *opt_ssl_engine_disable; static APR_OPTIONAL_FN_TYPE(ssl_is_https) *opt_ssl_is_https; static APR_OPTIONAL_FN_TYPE(ssl_var_lookup) *opt_ssl_var_lookup; /******************************************************************************* * 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_h2_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; } /******************************************************************************* * Hooks for processing incoming connections: * - process_conn take over connection in case of h2 */ static int h2_h2_process_conn(conn_rec* c); static int h2_h2_pre_close_conn(conn_rec* c); static int h2_h2_post_read_req(request_rec *r); static int h2_h2_late_fixups(request_rec *r); /******************************************************************************* * Once per lifetime init, retrieve optional functions */ apr_status_t h2_h2_init(apr_pool_t *pool, server_rec *s) { (void)pool; ap_log_error(APLOG_MARK, APLOG_TRACE1, 0, s, "h2_h2, child_init"); opt_ssl_engine_disable = APR_RETRIEVE_OPTIONAL_FN(ssl_engine_disable); opt_ssl_is_https = APR_RETRIEVE_OPTIONAL_FN(ssl_is_https); opt_ssl_var_lookup = APR_RETRIEVE_OPTIONAL_FN(ssl_var_lookup); if (!opt_ssl_is_https || !opt_ssl_var_lookup) { ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s, APLOGNO(02951) "mod_ssl does not seem to be enabled"); } cipher_init(pool); return APR_SUCCESS; } int h2_h2_is_tls(conn_rec *c) { return opt_ssl_is_https && opt_ssl_is_https(c); } int h2_is_acceptable_connection(conn_rec *c, int require_all) { int is_tls = h2_h2_is_tls(c); const h2_config *cfg = h2_config_get(c); if (is_tls && h2_config_geti(cfg, 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; char *val; if (!opt_ssl_var_lookup) { /* unable to check */ return 0; } /* Need Tlsv1.2 or higher, rfc 7540, ch. 9.2 */ val = opt_ssl_var_lookup(pool, s, c, NULL, (char*)"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; } /* Check TLS cipher blacklist */ val = opt_ssl_var_lookup(pool, s, c, NULL, (char*)"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; } int h2_allows_h2_direct(conn_rec *c) { const h2_config *cfg = h2_config_get(c); int is_tls = h2_h2_is_tls(c); const char *needed_protocol = is_tls? "h2" : "h2c"; int h2_direct = h2_config_geti(cfg, H2_CONF_DIRECT); if (h2_direct < 0) { h2_direct = is_tls? 0 : 1; } return (h2_direct && ap_is_allowed_protocol(c, NULL, NULL, needed_protocol)); } int h2_allows_h2_upgrade(conn_rec *c) { const h2_config *cfg = h2_config_get(c); int h2_upgrade = h2_config_geti(cfg, H2_CONF_UPGRADE); return h2_upgrade > 0 || (h2_upgrade < 0 && !h2_h2_is_tls(c)); } /******************************************************************************* * Register various hooks */ static const char* const mod_ssl[] = { "mod_ssl.c", NULL}; static const char* const mod_reqtimeout[] = { "mod_reqtimeout.c", NULL}; void h2_h2_register_hooks(void) { /* Our main processing needs to run quite late. Definitely after mod_ssl, * as we need its connection filters, but also before reqtimeout as its * method of timeouts is specific to HTTP/1.1 (as of now). * The core HTTP/1 processing run as REALLY_LAST, so we will have * a chance to take over before it. */ ap_hook_process_connection(h2_h2_process_conn, mod_ssl, mod_reqtimeout, APR_HOOK_LAST); /* One last chance to properly say goodbye if we have not done so * already. */ ap_hook_pre_close_connection(h2_h2_pre_close_conn, NULL, mod_ssl, APR_HOOK_LAST); /* With "H2SerializeHeaders On", we install the filter in this hook * that parses the response. This needs to happen before any other post * read function terminates the request with an error. Otherwise we will * never see the response. */ ap_hook_post_read_request(h2_h2_post_read_req, NULL, NULL, APR_HOOK_REALLY_FIRST); ap_hook_fixups(h2_h2_late_fixups, NULL, NULL, APR_HOOK_LAST); /* special bucket type transfer through a h2_bucket_beam */ h2_register_bucket_beamer(h2_bucket_headers_beam); h2_register_bucket_beamer(h2_bucket_observer_beam); } int h2_h2_process_conn(conn_rec* c) { apr_status_t status; h2_ctx *ctx; if (c->master) { return DECLINED; } ctx = h2_ctx_get(c, 0); ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, process_conn"); if (h2_ctx_is_task(ctx)) { /* our stream pseudo connection */ ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, c, "h2_h2, task, declined"); return DECLINED; } if (!ctx && c->keepalives == 0) { const char *proto = ap_get_protocol(c); if (APLOGctrace1(c)) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, process_conn, " "new connection using protocol '%s', direct=%d, " "tls acceptable=%d", proto, h2_allows_h2_direct(c), h2_is_acceptable_connection(c, 1)); } if (!strcmp(AP_PROTOCOL_HTTP1, proto) && h2_allows_h2_direct(c) && h2_is_acceptable_connection(c, 1)) { /* Fresh connection still is on http/1.1 and H2Direct is enabled. * Otherwise connection is in a fully acceptable state. * -> peek at the first 24 incoming bytes */ apr_bucket_brigade *temp; char *s = NULL; apr_size_t slen; temp = apr_brigade_create(c->pool, c->bucket_alloc); status = ap_get_brigade(c->input_filters, temp, AP_MODE_SPECULATIVE, APR_BLOCK_READ, 24); if (status != APR_SUCCESS) { ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, c, APLOGNO(03054) "h2_h2, error reading 24 bytes speculative"); apr_brigade_destroy(temp); return DECLINED; } apr_brigade_pflatten(temp, &s, &slen, c->pool); if ((slen >= 24) && !memcmp(H2_MAGIC_TOKEN, s, 24)) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, direct mode detected"); if (!ctx) { ctx = h2_ctx_get(c, 1); } h2_ctx_protocol_set(ctx, h2_h2_is_tls(c)? "h2" : "h2c"); } else { ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, c, "h2_h2, not detected in %d bytes: %s", (int)slen, s); } apr_brigade_destroy(temp); } } if (ctx) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "process_conn"); if (!h2_ctx_session_get(ctx)) { status = h2_conn_setup(ctx, c, NULL); ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, c, "conn_setup"); if (status != APR_SUCCESS) { h2_ctx_clear(c); return status; } } return h2_conn_run(ctx, c); } ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, declined"); return DECLINED; } static int h2_h2_pre_close_conn(conn_rec *c) { h2_ctx *ctx; /* slave connection? */ if (c->master) { return DECLINED; } ctx = h2_ctx_get(c, 0); if (ctx) { /* If the session has been closed correctly already, we will not * find a h2_ctx here. The presence indicates that the session * is still ongoing. */ return h2_conn_pre_close(ctx, c); } return DECLINED; } static void check_push(request_rec *r, const char *tag) { const h2_config *conf = h2_config_rget(r); if (!r->expecting_100 && conf && conf->push_list && conf->push_list->nelts > 0) { int i, old_status; const char *old_line; ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "%s, early announcing %d resources for push", tag, conf->push_list->nelts); for (i = 0; i < conf->push_list->nelts; ++i) { h2_push_res *push = &APR_ARRAY_IDX(conf->push_list, i, h2_push_res); apr_table_addn(r->headers_out, "Link", apr_psprintf(r->pool, "<%s>; rel=preload%s", push->uri_ref, push->critical? "; critical" : "")); } old_status = r->status; old_line = r->status_line; r->status = 103; r->status_line = "103 Early Hints"; ap_send_interim_response(r, 1); r->status = old_status; r->status_line = old_line; } } static int h2_h2_post_read_req(request_rec *r) { /* slave connection? */ if (r->connection->master) { h2_ctx *ctx = h2_ctx_rget(r); struct h2_task *task = h2_ctx_get_task(ctx); /* This hook will get called twice on internal redirects. Take care * that we manipulate filters only once. */ if (task && !task->filters_set) { ap_filter_t *f; ap_log_rerror(APLOG_MARK, APLOG_TRACE3, 0, r, "h2_task(%s): adding request filters", task->id); /* setup the correct filters to process the request for h2 */ ap_add_input_filter("H2_REQUEST", task, r, r->connection); /* replace the core http filter that formats response headers * in HTTP/1 with our own that collects status and headers */ ap_remove_output_filter_byhandle(r->output_filters, "HTTP_HEADER"); ap_add_output_filter("H2_RESPONSE", task, r, r->connection); for (f = r->input_filters; f; f = f->next) { if (!strcmp("H2_SLAVE_IN", f->frec->name)) { f->r = r; break; } } ap_add_output_filter("H2_TRAILERS_OUT", task, r, r->connection); task->filters_set = 1; } } return DECLINED; } static int h2_h2_late_fixups(request_rec *r) { /* slave connection? */ if (r->connection->master) { h2_ctx *ctx = h2_ctx_rget(r); struct h2_task *task = h2_ctx_get_task(ctx); if (task) { /* check if we copy vs. setaside files in this location */ task->output.copy_files = h2_config_geti(h2_config_rget(r), H2_CONF_COPY_FILES); if (task->output.copy_files) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, task->c, "h2_slave_out(%s): copy_files on", task->id); h2_beam_on_file_beam(task->output.beam, h2_beam_no_files, NULL); } check_push(r, "late_fixup"); } } return DECLINED; }