UNIXworkcode

1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 3 * 4 * Copyright 2013 Olaf Wintermann. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef HTTPPARSER_H 30 #define HTTPPARSER_H 31 32 33 #include <ucx/string.h> 34 #include "httprequest.h" 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /* 41 * http parser states 42 * 43 * 0: start line 44 * 1: header 45 * 2: finish 46 */ 47 48 typedef struct _http_parser { 49 HTTPRequest *request; 50 51 int state; 52 sstr_t start_line; 53 54 /* local parser variables */ 55 int wl; /* only white space */ 56 int tk; /* token: 0: header name 1: header value */ 57 int offset; /* offset of parsed string */ 58 int strend; /* end position */ 59 sstr_t name; 60 sstr_t value; 61 62 } HttpParser; 63 64 HttpParser* http_parser_new(HTTPRequest *request); 65 void http_parser_free(HttpParser *parser); 66 67 /* 68 * process http parsing 69 * 70 * return 71 * 0: finish 72 * 1: need more data 73 * 2: error 74 */ 75 int http_parser_process(HttpParser *parser); 76 77 int http_parser_validate(HttpParser *parser); 78 79 int get_start_line(HttpParser *parser); 80 int http_parser_parse_header(HttpParser *parser); 81 82 int parse_request_line(HttpParser *parser); 83 84 85 86 #ifdef __cplusplus 87 } 88 #endif 89 90 91 #endif /* HTTPPARSER_H */ 92 93