| /** @file |
| |
| PROXY Protocol |
| |
| See: https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt |
| |
| @section license License |
| |
| 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. |
| */ |
| |
| #ifndef ProxyProtocol_H_ |
| #define ProxyProtocol_H_ |
| |
| #include "tscore/ink_defs.h" |
| #include "tscore/ink_memory.h" |
| #include <tscore/ink_resolver.h> |
| #include <tscore/ink_platform.h> |
| #include "I_VConnection.h" |
| #include "I_NetVConnection.h" |
| #include "I_IOBuffer.h" |
| |
| // http://www.haproxy.org/download/1.8/doc/proxy-protocol.txt |
| |
| extern bool proxy_protov1_parse(NetVConnection *, ts::TextView hdr); |
| extern bool ssl_has_proxy_v1(NetVConnection *, char *, int64_t *); |
| extern bool http_has_proxy_v1(IOBufferReader *, NetVConnection *); |
| |
| const char *const PROXY_V1_CONNECTION_PREFACE = R"(PROXY)"; |
| const char *const PROXY_V2_CONNECTION_PREFACE = "\x0D\x0A\x0D\x0A\x00\x0D\x0A\x51\x55\x49\x54\x0A\x02"; |
| |
| const size_t PROXY_V1_CONNECTION_PREFACE_LEN = strlen(PROXY_V1_CONNECTION_PREFACE); // 5 |
| const size_t PROXY_V2_CONNECTION_PREFACE_LEN = 13; |
| |
| const size_t PROXY_V1_CONNECTION_HEADER_LEN_MIN = 15; |
| const size_t PROXY_V2_CONNECTION_HEADER_LEN_MIN = 16; |
| |
| const size_t PROXY_V1_CONNECTION_HEADER_LEN_MAX = 108; |
| const size_t PROXY_V2_CONNECTION_HEADER_LEN_MAX = 16; |
| |
| #endif /* ProxyProtocol_H_ */ |