1 /* 2 +----------------------------------------------------------------------+ 3 | PHP Version 7 | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1997-2018 The PHP Group | 6 +----------------------------------------------------------------------+ 7 | This source file is subject to version 3.01 of the PHP license, | 8 | that is bundled with this package in the file LICENSE, and is | 9 | available through the world-wide-web at the following url: | 10 | http://www.php.net/license/3_01.txt | 11 | If you did not receive a copy of the PHP license and are unable to | 12 | obtain it through the world-wide-web, please send a note to | 13 | license@php.net so we can mail you a copy immediately. | 14 +----------------------------------------------------------------------+ 15 | Author: Zeev Suraski <zeev@zend.com> | 16 +----------------------------------------------------------------------+ 17 */ 18 19 /* $Id$ */ 20 21 #ifndef SAPI_H 22 #define SAPI_H 23 24 #include "php.h" 25 #include "zend.h" 26 #include "zend_API.h" 27 #include "zend_llist.h" 28 #include "zend_operators.h" 29 #ifdef PHP_WIN32 30 #include "win32/php_stdint.h" 31 #endif 32 #include <sys/stat.h> 33 34 #define SAPI_OPTION_NO_CHDIR 1 35 #define SAPI_POST_BLOCK_SIZE 0x4000 36 37 #ifdef PHP_WIN32 38 # ifdef SAPI_EXPORTS 39 # define SAPI_API __declspec(dllexport) 40 # else 41 # define SAPI_API __declspec(dllimport) 42 # endif 43 #elif defined(__GNUC__) && __GNUC__ >= 4 44 # define SAPI_API __attribute__ ((visibility("default"))) 45 #else 46 # define SAPI_API 47 #endif 48 49 #undef shutdown 50 51 typedef struct { 52 char *header; 53 size_t header_len; 54 } sapi_header_struct; 55 56 57 typedef struct { 58 zend_llist headers; 59 int http_response_code; 60 unsigned char send_default_content_type; 61 char *mimetype; 62 char *http_status_line; 63 } sapi_headers_struct; 64 65 66 typedef struct _sapi_post_entry sapi_post_entry; 67 typedef struct _sapi_module_struct sapi_module_struct; 68 69 BEGIN_EXTERN_C() 70 extern SAPI_API sapi_module_struct sapi_module; /* true global */ 71 END_EXTERN_C() 72 73 /* Some values in this structure needs to be filled in before 74 * calling sapi_activate(). We WILL change the `char *' entries, 75 * so make sure that you allocate a separate buffer for them 76 * and that you free them after sapi_deactivate(). 77 */ 78 79 typedef struct { 80 const char *request_method; 81 char *query_string; 82 char *cookie_data; 83 zend_long content_length; 84 85 char *path_translated; 86 char *request_uri; 87 88 /* Do not use request_body directly, but the php://input stream wrapper instead */ 89 struct _php_stream *request_body; 90 91 const char *content_type; 92 93 zend_bool headers_only; 94 zend_bool no_headers; 95 zend_bool headers_read; 96 97 sapi_post_entry *post_entry; 98 99 char *content_type_dup; 100 101 /* for HTTP authentication */ 102 char *auth_user; 103 char *auth_password; 104 char *auth_digest; 105 106 /* this is necessary for the CGI SAPI module */ 107 char *argv0; 108 109 char *current_user; 110 int current_user_length; 111 112 /* this is necessary for CLI module */ 113 int argc; 114 char **argv; 115 int proto_num; 116 } sapi_request_info; 117 118 119 typedef struct _sapi_globals_struct { 120 void *server_context; 121 sapi_request_info request_info; 122 sapi_headers_struct sapi_headers; 123 int64_t read_post_bytes; 124 unsigned char post_read; 125 unsigned char headers_sent; 126 zend_stat_t global_stat; 127 char *default_mimetype; 128 char *default_charset; 129 HashTable *rfc1867_uploaded_files; 130 zend_long post_max_size; 131 int options; 132 zend_bool sapi_started; 133 double global_request_time; 134 HashTable known_post_content_types; 135 zval callback_func; 136 zend_fcall_info_cache fci_cache; 137 } sapi_globals_struct; 138 139 140 BEGIN_EXTERN_C() 141 #ifdef ZTS 142 # define SG(v) ZEND_TSRMG(sapi_globals_id, sapi_globals_struct *, v) 143 SAPI_API extern int sapi_globals_id; 144 #else 145 # define SG(v) (sapi_globals.v) 146 extern SAPI_API sapi_globals_struct sapi_globals; 147 #endif 148 149 SAPI_API void sapi_startup(sapi_module_struct *sf); 150 SAPI_API void sapi_shutdown(void); 151 SAPI_API void sapi_activate(void); 152 SAPI_API void sapi_deactivate(void); 153 SAPI_API void sapi_initialize_empty_request(void); 154 END_EXTERN_C() 155 156 /* 157 * This is the preferred and maintained API for 158 * operating on HTTP headers. 159 */ 160 161 /* 162 * Always specify a sapi_header_line this way: 163 * 164 * sapi_header_line ctr = {0}; 165 */ 166 167 typedef struct { 168 char *line; /* If you allocated this, you need to free it yourself */ 169 size_t line_len; 170 zend_long response_code; /* long due to zend_parse_parameters compatibility */ 171 } sapi_header_line; 172 173 typedef enum { /* Parameter: */ 174 SAPI_HEADER_REPLACE, /* sapi_header_line* */ 175 SAPI_HEADER_ADD, /* sapi_header_line* */ 176 SAPI_HEADER_DELETE, /* sapi_header_line* */ 177 SAPI_HEADER_DELETE_ALL, /* void */ 178 SAPI_HEADER_SET_STATUS /* int */ 179 } sapi_header_op_enum; 180 181 BEGIN_EXTERN_C() 182 SAPI_API int sapi_header_op(sapi_header_op_enum op, void *arg); 183 184 /* Deprecated functions. Use sapi_header_op instead. */ 185 SAPI_API int sapi_add_header_ex(char *header_line, size_t header_line_len, zend_bool duplicate, zend_bool replace); 186 #define sapi_add_header(a, b, c) sapi_add_header_ex((a),(b),(c),1) 187 188 189 SAPI_API int sapi_send_headers(void); 190 SAPI_API void sapi_free_header(sapi_header_struct *sapi_header); 191 SAPI_API void sapi_handle_post(void *arg); 192 SAPI_API size_t sapi_read_post_block(char *buffer, size_t buflen); 193 SAPI_API int sapi_register_post_entries(sapi_post_entry *post_entry); 194 SAPI_API int sapi_register_post_entry(sapi_post_entry *post_entry); 195 SAPI_API void sapi_unregister_post_entry(sapi_post_entry *post_entry); 196 SAPI_API int sapi_register_default_post_reader(void (*default_post_reader)(void)); 197 SAPI_API int sapi_register_treat_data(void (*treat_data)(int arg, char *str, zval *destArray)); 198 SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, char *var, char **val, size_t val_len, size_t *new_val_len), unsigned int (*input_filter_init)(void)); 199 200 SAPI_API int sapi_flush(void); 201 SAPI_API zend_stat_t *sapi_get_stat(void); 202 SAPI_API char *sapi_getenv(char *name, size_t name_len); 203 204 SAPI_API char *sapi_get_default_content_type(void); 205 SAPI_API void sapi_get_default_content_type_header(sapi_header_struct *default_header); 206 SAPI_API size_t sapi_apply_default_charset(char **mimetype, size_t len); 207 SAPI_API void sapi_activate_headers_only(void); 208 209 SAPI_API int sapi_get_fd(int *fd); 210 SAPI_API int sapi_force_http_10(void); 211 212 SAPI_API int sapi_get_target_uid(uid_t *); 213 SAPI_API int sapi_get_target_gid(gid_t *); 214 SAPI_API double sapi_get_request_time(void); 215 SAPI_API void sapi_terminate_process(void); 216 END_EXTERN_C() 217 218 struct _sapi_module_struct { 219 char *name; 220 char *pretty_name; 221 222 int (*startup)(struct _sapi_module_struct *sapi_module); 223 int (*shutdown)(struct _sapi_module_struct *sapi_module); 224 225 int (*activate)(void); 226 int (*deactivate)(void); 227 228 size_t (*ub_write)(const char *str, size_t str_length); 229 void (*flush)(void *server_context); 230 zend_stat_t *(*get_stat)(void); 231 char *(*getenv)(char *name, size_t name_len); 232 233 void (*sapi_error)(int type, const char *error_msg, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3); 234 235 int (*header_handler)(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers); 236 int (*send_headers)(sapi_headers_struct *sapi_headers); 237 void (*send_header)(sapi_header_struct *sapi_header, void *server_context); 238 239 size_t (*read_post)(char *buffer, size_t count_bytes); 240 char *(*read_cookies)(void); 241 242 void (*register_server_variables)(zval *track_vars_array); 243 void (*log_message)(char *message, int syslog_type_int); 244 double (*get_request_time)(void); 245 void (*terminate_process)(void); 246 247 char *php_ini_path_override; 248 249 void (*default_post_reader)(void); 250 void (*treat_data)(int arg, char *str, zval *destArray); 251 char *executable_location; 252 253 int php_ini_ignore; 254 int php_ini_ignore_cwd; /* don't look for php.ini in the current directory */ 255 256 int (*get_fd)(int *fd); 257 258 int (*force_http_10)(void); 259 260 int (*get_target_uid)(uid_t *); 261 int (*get_target_gid)(gid_t *); 262 263 unsigned int (*input_filter)(int arg, char *var, char **val, size_t val_len, size_t *new_val_len); 264 265 void (*ini_defaults)(HashTable *configuration_hash); 266 int phpinfo_as_text; 267 268 char *ini_entries; 269 const zend_function_entry *additional_functions; 270 unsigned int (*input_filter_init)(void); 271 }; 272 273 struct _sapi_post_entry { 274 char *content_type; 275 uint32_t content_type_len; 276 void (*post_reader)(void); 277 void (*post_handler)(char *content_type_dup, void *arg); 278 }; 279 280 /* header_handler() constants */ 281 #define SAPI_HEADER_ADD (1<<0) 282 283 284 #define SAPI_HEADER_SENT_SUCCESSFULLY 1 285 #define SAPI_HEADER_DO_SEND 2 286 #define SAPI_HEADER_SEND_FAILED 3 287 288 #define SAPI_DEFAULT_MIMETYPE "text/html" 289 #define SAPI_DEFAULT_CHARSET PHP_DEFAULT_CHARSET 290 #define SAPI_PHP_VERSION_HEADER "X-Powered-By: PHP/" PHP_VERSION 291 292 #define SAPI_POST_READER_FUNC(post_reader) void post_reader(void) 293 #define SAPI_POST_HANDLER_FUNC(post_handler) void post_handler(char *content_type_dup, void *arg) 294 295 #define SAPI_TREAT_DATA_FUNC(treat_data) void treat_data(int arg, char *str, zval* destArray) 296 #define SAPI_INPUT_FILTER_FUNC(input_filter) unsigned int input_filter(int arg, char *var, char **val, size_t val_len, size_t *new_val_len) 297 298 BEGIN_EXTERN_C() 299 SAPI_API SAPI_POST_READER_FUNC(sapi_read_standard_form_data); 300 SAPI_API SAPI_POST_READER_FUNC(php_default_post_reader); 301 SAPI_API SAPI_TREAT_DATA_FUNC(php_default_treat_data); 302 SAPI_API SAPI_INPUT_FILTER_FUNC(php_default_input_filter); 303 END_EXTERN_C() 304 305 #define STANDARD_SAPI_MODULE_PROPERTIES \ 306 NULL, /* php_ini_path_override */ \ 307 NULL, /* default_post_reader */ \ 308 NULL, /* treat_data */ \ 309 NULL, /* executable_location */ \ 310 0, /* php_ini_ignore */ \ 311 0, /* php_ini_ignore_cwd */ \ 312 NULL, /* get_fd */ \ 313 NULL, /* force_http_10 */ \ 314 NULL, /* get_target_uid */ \ 315 NULL, /* get_target_gid */ \ 316 NULL, /* input_filter */ \ 317 NULL, /* ini_defaults */ \ 318 0, /* phpinfo_as_text; */ \ 319 NULL, /* ini_entries; */ \ 320 NULL, /* additional_functions */ \ 321 NULL /* input_filter_init */ 322 323 #endif /* SAPI_H */ 324 325 /* 326 * Local variables: 327 * tab-width: 4 328 * c-basic-offset: 4 329 * End: 330 * vim600: sw=4 ts=4 fdm=marker 331 * vim<600: sw=4 ts=4 332 */ 333
