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fd0e71d001
* Correctly identify unused speculative preconnections from browsers like Chrome and Firefox * Add a new message to the debug level that is emitted when a TCP connection is closed without sending any request (a preconnection) * Fix an issue where the existing debug messages were not being displayed even when debug mode was enabled
248 lines
6.6 KiB
C
248 lines
6.6 KiB
C
/* Copyright 2009,2010 Ryan Dahl <ry@tinyclouds.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/* modified by Moriyoshi Koizumi <moriyoshi@php.net> to make it fit to PHP source tree. */
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#ifndef php_http_parser_h
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#define php_http_parser_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/types.h>
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#if defined(_WIN32) && !defined(__MINGW32__)
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# include <windows.h>
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# include "config.w32.h"
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#else
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# include "php_config.h"
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#endif
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#include "php_stdint.h"
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/* Compile with -DPHP_HTTP_PARSER_STRICT=0 to make less checks, but run
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* faster
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*/
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#ifndef PHP_HTTP_PARSER_STRICT
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# define PHP_HTTP_PARSER_STRICT 1
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#else
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# define PHP_HTTP_PARSER_STRICT 0
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#endif
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/* Maximium header size allowed */
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#define PHP_HTTP_MAX_HEADER_SIZE (80*1024)
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typedef struct php_http_parser php_http_parser;
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typedef struct php_http_parser_settings php_http_parser_settings;
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/* Callbacks should return non-zero to indicate an error. The parser will
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* then halt execution.
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*
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* The one exception is on_headers_complete. In a PHP_HTTP_RESPONSE parser
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* returning '1' from on_headers_complete will tell the parser that it
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* should not expect a body. This is used when receiving a response to a
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* HEAD request which may contain 'Content-Length' or 'Transfer-Encoding:
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* chunked' headers that indicate the presence of a body.
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*
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* http_data_cb does not return data chunks. It will be call arbitrarally
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* many times for each string. E.G. you might get 10 callbacks for "on_path"
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* each providing just a few characters more data.
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*/
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typedef int (*php_http_data_cb) (php_http_parser*, const char *at, size_t length);
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typedef int (*php_http_cb) (php_http_parser*);
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/* Request Methods */
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enum php_http_method
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{ PHP_HTTP_DELETE = 0
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, PHP_HTTP_GET
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, PHP_HTTP_HEAD
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, PHP_HTTP_POST
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, PHP_HTTP_PUT
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, PHP_HTTP_PATCH
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/* pathological */
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, PHP_HTTP_CONNECT
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, PHP_HTTP_OPTIONS
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, PHP_HTTP_TRACE
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/* webdav */
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, PHP_HTTP_COPY
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, PHP_HTTP_LOCK
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, PHP_HTTP_MKCOL
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, PHP_HTTP_MOVE
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, PHP_HTTP_MKCALENDAR
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, PHP_HTTP_PROPFIND
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, PHP_HTTP_PROPPATCH
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, PHP_HTTP_SEARCH
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, PHP_HTTP_UNLOCK
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/* subversion */
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, PHP_HTTP_REPORT
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, PHP_HTTP_MKACTIVITY
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, PHP_HTTP_CHECKOUT
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, PHP_HTTP_MERGE
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/* upnp */
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, PHP_HTTP_MSEARCH
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, PHP_HTTP_NOTIFY
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, PHP_HTTP_SUBSCRIBE
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, PHP_HTTP_UNSUBSCRIBE
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/* unknown, not implemented */
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, PHP_HTTP_NOT_IMPLEMENTED
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};
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enum php_http_parser_type { PHP_HTTP_REQUEST, PHP_HTTP_RESPONSE, PHP_HTTP_BOTH };
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enum state
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{ s_dead = 1 /* important that this is > 0 */
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, s_start_req_or_res
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, s_res_or_resp_H
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, s_start_res
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, s_res_H
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, s_res_HT
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, s_res_HTT
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, s_res_HTTP
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, s_res_first_http_major
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, s_res_http_major
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, s_res_first_http_minor
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, s_res_http_minor
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, s_res_first_status_code
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, s_res_status_code
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, s_res_status
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, s_res_line_almost_done
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, s_start_req
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, s_req_method
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, s_req_spaces_before_url
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, s_req_schema
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, s_req_schema_slash
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, s_req_schema_slash_slash
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, s_req_host
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, s_req_port
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, s_req_path
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, s_req_query_string_start
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, s_req_query_string
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, s_req_fragment_start
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, s_req_fragment
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, s_req_http_start
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, s_req_http_H
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, s_req_http_HT
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, s_req_http_HTT
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, s_req_http_HTTP
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, s_req_first_http_major
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, s_req_http_major
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, s_req_first_http_minor
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, s_req_http_minor
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, s_req_line_almost_done
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, s_header_field_start
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, s_header_field
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, s_header_value_start
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, s_header_value
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, s_header_almost_done
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, s_headers_almost_done
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/* Important: 's_headers_almost_done' must be the last 'header' state. All
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* states beyond this must be 'body' states. It is used for overflow
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* checking. See the PARSING_HEADER() macro.
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*/
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, s_chunk_size_start
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, s_chunk_size
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, s_chunk_size_almost_done
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, s_chunk_parameters
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, s_chunk_data
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, s_chunk_data_almost_done
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, s_chunk_data_done
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, s_body_identity
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, s_body_identity_eof
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};
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struct php_http_parser {
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/** PRIVATE **/
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unsigned char type : 2;
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unsigned char flags : 6;
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unsigned char state;
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unsigned char header_state;
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unsigned char index;
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uint32_t nread;
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ssize_t content_length;
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/** READ-ONLY **/
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unsigned short http_major;
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unsigned short http_minor;
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unsigned short status_code; /* responses only */
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unsigned char method; /* requests only */
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/* 1 = Upgrade header was present and the parser has exited because of that.
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* 0 = No upgrade header present.
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* Should be checked when http_parser_execute() returns in addition to
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* error checking.
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*/
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char upgrade;
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/** PUBLIC **/
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void *data; /* A pointer to get hook to the "connection" or "socket" object */
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};
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struct php_http_parser_settings {
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php_http_cb on_message_begin;
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php_http_data_cb on_path;
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php_http_data_cb on_query_string;
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php_http_data_cb on_url;
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php_http_data_cb on_fragment;
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php_http_data_cb on_header_field;
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php_http_data_cb on_header_value;
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php_http_cb on_headers_complete;
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php_http_data_cb on_body;
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php_http_cb on_message_complete;
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};
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void php_http_parser_init(php_http_parser *parser, enum php_http_parser_type type);
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size_t php_http_parser_execute(php_http_parser *parser,
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const php_http_parser_settings *settings,
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const char *data,
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size_t len);
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/* If php_http_should_keep_alive() in the on_headers_complete or
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* on_message_complete callback returns true, then this will be should be
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* the last message on the connection.
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* If you are the server, respond with the "Connection: close" header.
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* If you are the client, close the connection.
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*/
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int php_http_should_keep_alive(php_http_parser *parser);
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/* Returns a string version of the HTTP method. */
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const char *php_http_method_str(enum php_http_method);
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#ifdef __cplusplus
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}
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#endif
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#endif
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