1 #ifndef _REQUEST_H_ 2 #define _REQUEST_H_ 3 #include "first.h" 4 5 #include <time.h> /* (struct timespec) */ 6 7 #include "base_decls.h" 8 #include "buffer.h" 9 #include "array.h" 10 #include "http_kv.h" 11 12 struct log_error_st; /* declaration */ 13 struct chunkqueue; /* declaration */ 14 struct cond_cache_t; /* declaration */ 15 struct cond_match_t; /* declaration */ 16 17 typedef struct { 18 unsigned int http_parseopts; 19 uint32_t max_request_field_size; 20 const array *mimetypes; 21 22 /* virtual-servers */ 23 const buffer *document_root; 24 const buffer *server_name; 25 const buffer *server_tag; 26 struct log_error_st *errh; 27 28 unsigned int max_request_size; 29 unsigned short max_keep_alive_requests; 30 unsigned short max_keep_alive_idle; 31 unsigned short max_read_idle; 32 unsigned short max_write_idle; 33 unsigned short stream_request_body; 34 unsigned short stream_response_body; 35 unsigned char high_precision_timestamps; 36 unsigned char allow_http11; 37 unsigned char follow_symlink; 38 unsigned char etag_flags; 39 unsigned char force_lowercase_filenames; /*(case-insensitive file systems)*/ 40 unsigned char use_xattr; 41 unsigned char range_requests; 42 unsigned char error_intercept; 43 44 /* debug */ 45 unsigned char log_file_not_found; 46 unsigned char log_request_header; 47 unsigned char log_request_handling; 48 unsigned char log_response_header; 49 unsigned char log_condition_handling; 50 unsigned char log_timeouts; 51 unsigned char log_state_handling; 52 unsigned char log_request_header_on_error; 53 54 unsigned int bytes_per_second; /* connection bytes/sec limit */ 55 unsigned int global_bytes_per_second;/*total bytes/sec limit for scope*/ 56 57 /* server-wide traffic-shaper 58 * 59 * each context has the counter which is inited once 60 * a second by the global_bytes_per_second config-var 61 * 62 * as soon as global_bytes_per_second gets below 0 63 * the connected conns are "offline" a little bit 64 * 65 * the problem: 66 * we somehow have to lose our "we are writable" signal on the way. 67 * 68 */ 69 off_t *global_bytes_per_second_cnt_ptr; /* */ 70 71 const buffer *error_handler; 72 const buffer *error_handler_404; 73 const buffer *errorfile_prefix; 74 struct log_error_st *serrh; /* script errh */ 75 } request_config; 76 77 typedef struct { 78 buffer scheme; /* scheme without colon or slashes ( "http" or "https" ) */ 79 80 /* authority with optional portnumber ("site.name" or "site.name:8080" ) NOTE: without "username:password@" */ 81 buffer authority; 82 83 /* path including leading slash ("/" or "/index.html") - urldecoded, and sanitized ( buffer_path_simplify() && buffer_urldecode_path() ) */ 84 buffer path; 85 buffer query; /* querystring ( everything after "?", ie: in "/index.php?foo=1", query is "foo=1" ) */ 86 } request_uri; 87 88 typedef struct { 89 buffer path; 90 buffer basedir; /* path = "(basedir)(.*)" */ 91 92 buffer doc_root; /* path = doc_root + rel_path */ 93 buffer rel_path; 94 95 buffer etag; 96 } physical; 97 98 /* the order of the items should be the same as they are processed 99 * read before write as we use this later e.g. <= CON_STATE_REQUEST_END */ 100 typedef enum { 101 CON_STATE_CONNECT, 102 CON_STATE_REQUEST_START, 103 CON_STATE_READ, 104 CON_STATE_REQUEST_END, 105 CON_STATE_READ_POST, 106 CON_STATE_HANDLE_REQUEST, 107 CON_STATE_RESPONSE_START, 108 CON_STATE_WRITE, 109 CON_STATE_RESPONSE_END, 110 CON_STATE_ERROR, 111 CON_STATE_CLOSE 112 } request_state_t; 113 114 struct request_st { 115 request_state_t state; /*(modules should not modify request state)*/ 116 int http_status; 117 118 http_method_t http_method; 119 http_version_t http_version; 120 121 const plugin *handler_module; 122 void **plugin_ctx; /* plugin connection specific config */ 123 connection *con; 124 125 /* config conditions (internal) */ 126 uint32_t conditional_is_valid; 127 struct cond_cache_t *cond_cache; 128 struct cond_match_t *cond_match; 129 130 request_config conf; 131 132 /* request */ 133 uint32_t rqst_htags;/* bitfield of flagged headers present in request */ 134 uint32_t rqst_header_len; 135 array rqst_headers; 136 137 request_uri uri; 138 physical physical; 139 array env; /* used to pass lighttpd internal stuff */ 140 141 off_t reqbody_length; /* request Content-Length */ 142 off_t te_chunked; 143 struct chunkqueue *reqbody_queue; /*(might use tempfiles)*/ 144 145 buffer *http_host; /* copy of array value buffer ptr; not alloc'ed */ 146 const buffer *server_name; 147 148 buffer target; 149 buffer target_orig; 150 151 buffer pathinfo; 152 buffer server_name_buf; 153 154 /* response */ 155 off_t content_length; 156 uint32_t resp_htags; /*bitfield of flagged headers present in response*/ 157 uint32_t resp_header_len; 158 array resp_headers; 159 char resp_body_finished; 160 char resp_body_started; 161 char resp_send_chunked; 162 163 char loops_per_request; /* catch endless loops in a single request */ 164 char keep_alive; /* only request.c can enable it, all other just disable */ 165 char async_callback; 166 167 struct chunkqueue *write_queue; /* HTTP response queue [ file, mem ] */ 168 struct chunkqueue *read_queue; /* HTTP request queue [ mem ] */ 169 buffer *tmp_buf; /* shared; same as srv->tmp_buf */ 170 171 struct timespec start_hp; 172 time_t start_ts; 173 174 int error_handler_saved_status; /* error-handler */ 175 http_method_t error_handler_saved_method; /* error-handler */ 176 }; 177 178 179 int http_request_parse(request_st * restrict r, char * restrict hdrs, const unsigned short * restrict hloffsets, int scheme_port); 180 int http_request_parse_target(request_st *r, int scheme_port); 181 int http_request_host_normalize(buffer *b, int scheme_port); 182 int http_request_host_policy(buffer *b, unsigned int http_parseopts, int scheme_port); 183 184 #endif 185