node-0.0.5.tar.gz

#line 1 "http_parser.rl" /* Copyright (c) 2008, 2009 Ryan Dahl (ry@tinyclouds.org) * Based on Zed Shaw's Mongrel, copyright (c) Zed A. Shaw * * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "http_parser.h" #include <limits.h> #include <assert.h> static int unhex[] = {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 , 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1 ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 }; #define TRUE 1 #define FALSE 0 #define MIN(a,b) (a < b ? a : b) #define NULL (void*)(0) #define MAX_FIELD_SIZE 80*1024 #define REMAINING (pe - p) #define CALLBACK(FOR) \ do { \ if (parser->FOR##_mark) { \ parser->FOR##_size += p - parser->FOR##_mark; \ if (parser->FOR##_size > MAX_FIELD_SIZE) { \ parser->error = TRUE; \ return 0; \ } \ if (parser->on_##FOR) { \ callback_return_value = parser->on_##FOR(parser, \ parser->FOR##_mark, \ p - parser->FOR##_mark); \ } \ } \ } while(0) #define RESET_PARSER(parser) \ parser->chunk_size = 0; \ parser->eating = 0; \ parser->header_field_mark = NULL; \ parser->header_value_mark = NULL; \ parser->query_string_mark = NULL; \ parser->path_mark = NULL; \ parser->uri_mark = NULL; \ parser->fragment_mark = NULL; \ parser->status_code = 0; \ parser->method = 0; \ parser->transfer_encoding = HTTP_IDENTITY; \ parser->version_major = 0; \ parser->version_minor = 0; \ parser->keep_alive = -1; \ parser->content_length = 0; \ parser->body_read = 0; #define END_REQUEST \ do { \ if (parser->on_message_complete) { \ callback_return_value = \ parser->on_message_complete(parser); \ } \ RESET_PARSER(parser); \ } while (0) #define SKIP_BODY(nskip) \ do { \ tmp = (nskip); \ if (parser->on_body && tmp > 0) { \ callback_return_value = parser->on_body(parser, p, tmp); \ } \ if (callback_return_value == 0) { \ p += tmp; \ parser->body_read += tmp; \ parser->chunk_size -= tmp; \ if (0 == parser->chunk_size) { \ parser->eating = FALSE; \ if (parser->transfer_encoding == HTTP_IDENTITY) { \ END_REQUEST; \ } \ } else { \ parser->eating = TRUE; \ } \ } \ } while (0) #line 413 "http_parser.rl" #line 116 "http_parser.c" static const int http_parser_start = 1; static const int http_parser_first_final = 267; static const int http_parser_error = 0; static const int http_parser_en_ChunkedBody = 2; static const int http_parser_en_ChunkedBody_chunk_chunk_end = 12; static const int http_parser_en_Requests = 269; static const int http_parser_en_Responses = 270; static const int http_parser_en_main = 1; #line 416 "http_parser.rl" void http_parser_init (http_parser *parser, enum http_parser_type type) { int cs = 0; #line 134 "http_parser.c" { cs = http_parser_start; } #line 422 "http_parser.rl" parser->cs = cs; parser->type = type; parser->error = 0; parser->on_message_begin = NULL; parser->on_path = NULL; parser->on_query_string = NULL; parser->on_uri = NULL; parser->on_header_field = NULL; parser->on_header_value = NULL; parser->on_headers_complete = NULL; parser->on_body = NULL; parser->on_message_complete = NULL; RESET_PARSER(parser); } /** exec **/ size_t http_parser_execute (http_parser *parser, const char *buffer, size_t len) { size_t tmp; // REMOVE ME this is extremely hacky int callback_return_value = 0; const char *p, *pe; int cs = parser->cs; p = buffer; pe = buffer+len; if (0 < parser->chunk_size && parser->eating) { /* eat body */ SKIP_BODY(MIN(len, parser->chunk_size)); if (callback_return_value != 0) { parser->error = TRUE; return 0; } } if (parser->header_field_mark) parser->header_field_mark = buffer; if (parser->header_value_mark) parser->header_value_mark = buffer; if (parser->fragment_mark) parser->fragment_mark = buffer; if (parser->query_string_mark) parser->query_string_mark = buffer; if (parser->path_mark) parser->path_mark = buffer; if (parser->uri_mark) parser->uri_m