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