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php_session.h
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/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2016 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Sascha Schumann <sascha@schumann.cx> | +----------------------------------------------------------------------+ */ /* $Id$ */ #ifndef PHP_SESSION_H #define PHP_SESSION_H #include "ext/standard/php_var.h" #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH) # include "ext/hash/php_hash.h" #endif #define PHP_SESSION_API 20020330 /* To check php_session_valid_key()/php_session_reset_id() */ #define PHP_SESSION_STRICT 1 #define PS_OPEN_ARGS void **mod_data, const char *save_path, const char *session_name TSRMLS_DC #define PS_CLOSE_ARGS void **mod_data TSRMLS_DC #define PS_READ_ARGS void **mod_data, const char *key, char **val, int *vallen TSRMLS_DC #define PS_WRITE_ARGS void **mod_data, const char *key, const char *val, const int vallen TSRMLS_DC #define PS_DESTROY_ARGS void **mod_data, const char *key TSRMLS_DC #define PS_GC_ARGS void **mod_data, int maxlifetime, int *nrdels TSRMLS_DC #define PS_CREATE_SID_ARGS void **mod_data, int *newlen TSRMLS_DC /* default create id function */ PHPAPI char *php_session_create_id(PS_CREATE_SID_ARGS); typedef struct ps_module_struct { const char *s_name; int (*s_open)(PS_OPEN_ARGS); int (*s_close)(PS_CLOSE_ARGS); int (*s_read)(PS_READ_ARGS); int (*s_write)(PS_WRITE_ARGS); int (*s_destroy)(PS_DESTROY_ARGS); int (*s_gc)(PS_GC_ARGS); char *(*s_create_sid)(PS_CREATE_SID_ARGS); } ps_module; #define PS_GET_MOD_DATA() *mod_data #define PS_SET_MOD_DATA(a) *mod_data = (a) #define PS_OPEN_FUNC(x) int ps_open_##x(PS_OPEN_ARGS) #define PS_CLOSE_FUNC(x) int ps_close_##x(PS_CLOSE_ARGS) #define PS_READ_FUNC(x) int ps_read_##x(PS_READ_ARGS) #define PS_WRITE_FUNC(x) int ps_write_##x(PS_WRITE_ARGS) #define PS_DESTROY_FUNC(x) int ps_delete_##x(PS_DESTROY_ARGS) #define PS_GC_FUNC(x) int ps_gc_##x(PS_GC_ARGS) #define PS_CREATE_SID_FUNC(x) char *ps_create_sid_##x(PS_CREATE_SID_ARGS) #define PS_FUNCS(x) \ PS_OPEN_FUNC(x); \ PS_CLOSE_FUNC(x); \ PS_READ_FUNC(x); \ PS_WRITE_FUNC(x); \ PS_DESTROY_FUNC(x); \ PS_GC_FUNC(x); \ PS_CREATE_SID_FUNC(x) #define PS_MOD(x) \ #x, ps_open_##x, ps_close_##x, ps_read_##x, ps_write_##x, \ ps_delete_##x, ps_gc_##x, php_session_create_id /* SID creation enabled module handler definitions */ #define PS_FUNCS_SID(x) \ PS_OPEN_FUNC(x); \ PS_CLOSE_FUNC(x); \ PS_READ_FUNC(x); \ PS_WRITE_FUNC(x); \ PS_DESTROY_FUNC(x); \ PS_GC_FUNC(x); \ PS_CREATE_SID_FUNC(x) #define PS_MOD_SID(x) \ #x, ps_open_##x, ps_close_##x, ps_read_##x, ps_write_##x, \ ps_delete_##x, ps_gc_##x, ps_create_sid_##x typedef enum { php_session_disabled, php_session_none, php_session_active } php_session_status; typedef struct _php_session_rfc1867_progress { size_t sname_len; zval sid; smart_str key; long update_step; long next_update; double next_update_time; zend_bool cancel_upload; zend_bool apply_trans_sid; size_t content_length; zval *data; /* the array exported to session data */ zval *post_bytes_processed; /* data["bytes_processed"] */ zval *files; /* data["files"] array */ zval *current_file; /* array of currently uploading file */ zval *current_file_bytes_processed; } php_session_rfc1867_progress; typedef struct _php_ps_globals { char *save_path; char *session_name; char *id; char *extern_referer_chk; char *entropy_file; char *cache_limiter; long entropy_length; long cookie_lifetime; char *cookie_path; char *cookie_domain; zend_bool cookie_secure; zend_bool cookie_httponly; ps_module *mod; ps_module *default_mod; void *mod_data; php_session_status session_status; long gc_probability; long gc_divisor; long gc_maxlifetime; int module_number; long cache_expire; union { zval *names[7]; struct { zval *ps_open; zval *ps_close; zval *ps_read; zval *ps_write; zval *ps_destroy; zval *ps_gc; zval *ps_create_sid; } name; } mod_user_names; int mod_user_implemented; int mod_user_is_open; const struct ps_serializer_struct *serializer; zval *http_session_vars; zend_bool auto_start; zend_bool use_cookies; zend_bool use_only_cookies; zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ long hash_func; #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH) php_hash_ops *hash_ops; #endif long hash_bits_per_character; int send_cookie; int define_sid; zend_bool invalid_session_id; /* allows the driver to report about an invalid session id and request id regeneration */ php_session_rfc1867_progress *rfc1867_progress; zend_bool rfc1867_enabled; /* session.upload_progress.enabled */ zend_bool rfc1867_cleanup; /* session.upload_progress.cleanup */ smart_str rfc1867_prefix; /* session.upload_progress.prefix */ smart_str rfc1867_name; /* session.upload_progress.name */ long rfc1867_freq; /* session.upload_progress.freq */ double rfc1867_min_freq; /* session.upload_progress.min_freq */ zend_bool use_strict_mode; /* whether or not PHP accepts unknown session ids */ unsigned char session_data_hash[16]; /* binary MD5 hash length */ } php_ps_globals; typedef php_ps_globals zend_ps_globals; extern zend_module_entry session_module_entry; #define phpext_session_ptr &session_module_entry #ifdef ZTS #define PS(v) TSRMG(ps_globals_id, php_ps_globals *, v) #else #define PS(v) (ps_globals.v) #endif #define PS_SERIALIZER_ENCODE_ARGS char **newstr, int *newlen TSRMLS_DC #define PS_SERIALIZER_DECODE_ARGS const char *val, int vallen TSRMLS_DC typedef struct ps_serializer_struct { const char *name; int (*encode)(PS_SERIALIZER_ENCODE_ARGS); int (*decode)(PS_SERIALIZER_DECODE_ARGS); } ps_serializer; #define PS_SERIALIZER_ENCODE_NAME(x) ps_srlzr_encode_##x #define PS_SERIALIZER_DECODE_NAME(x) ps_srlzr_decode_##x #define PS_SERIALIZER_ENCODE_FUNC(x) \ int PS_SERIALIZER_ENCODE_NAME(x)(PS_SERIALIZER_ENCODE_ARGS) #define PS_SERIALIZER_DECODE_FUNC(x) \ int PS_SERIALIZER_DECODE_NAME(x)(PS_SERIALIZER_DECODE_ARGS) #define PS_SERIALIZER_FUNCS(x) \ PS_SERIALIZER_ENCODE_FUNC(x); \ PS_SERIALIZER_DECODE_FUNC(x) #define PS_SERIALIZER_ENTRY(x) \ { #x, PS_SERIALIZER_ENCODE_NAME(x), PS_SERIALIZER_DECODE_NAME(x) } PHPAPI void session_adapt_url(const char *, size_t, char **, size_t * TSRMLS_DC); PHPAPI void php_add_session_var(char *name, size_t namelen TSRMLS_DC); PHPAPI void php_set_session_var(char *name, size_t namelen, zval *state_val, php_unserialize_data_t *var_hash TSRMLS_DC); PHPAPI int php_get_session_var(char *name, size_t namelen, zval ***state_var TSRMLS_DC); PHPAPI int php_session_register_module(ps_module *); PHPAPI int php_session_register_serializer(const char *name, int (*encode)(PS_SERIALIZER_ENCODE_ARGS), int (*decode)(PS_SERIALIZER_DECODE_ARGS)); PHPAPI void php_session_set_id(char *id TSRMLS_DC); PHPAPI void php_session_start(TSRMLS_D); PHPAPI ps_module *_php_find_ps_module(char *name TSRMLS_DC); PHPAPI const ps_serializer *_php_find_ps_serializer(char *name TSRMLS_DC); PHPAPI int php_session_valid_key(const char *key); PHPAPI void php_session_reset_id(TSRMLS_D); #define PS_ADD_VARL(name,namelen) do { \ php_add_session_var(name, namelen TSRMLS_CC); \ } while (0) #define PS_ADD_VAR(name) PS_ADD_VARL(name, strlen(name)) #define PS_DEL_VARL(name,namelen) do { \ if (PS(http_session_vars)) { \ zend_hash_del(Z_ARRVAL_P(PS(http_session_vars)), name, namelen+1); \ } \ } while (0) #define PS_ENCODE_VARS \ char *key; \ uint key_length; \ ulong num_key; \ zval **struc; #define PS_ENCODE_LOOP(code) do { \ HashTable *_ht = Z_ARRVAL_P(PS(http_session_vars)); \ int key_type; \ \ for (zend_hash_internal_pointer_reset(_ht); \ (key_type = zend_hash_get_current_key_ex(_ht, &key, &key_length, &num_key, 0, NULL)) != HASH_KEY_NON_EXISTENT; \ zend_hash_move_forward(_ht)) { \ if (key_type == HASH_KEY_IS_LONG) { \ php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Skipping numeric key %ld", num_key); \ continue; \ } \ key_length--; \ if (php_get_session_var(key, key_length, &struc TSRMLS_CC) == SUCCESS) { \ code; \ } \ } \ } while(0) PHPAPI ZEND_EXTERN_MODULE_GLOBALS(ps) void php_session_auto_start(void *data); #define PS_CLASS_NAME "SessionHandler" extern zend_class_entry *php_session_class_entry; #define PS_IFACE_NAME "SessionHandlerInterface" extern zend_class_entry *php_session_iface_entry; #define PS_SID_IFACE_NAME "SessionIdInterface" extern zend_class_entry *php_session_id_iface_entry; extern PHP_METHOD(SessionHandler, open); extern PHP_METHOD(SessionHandler, close); extern PHP_METHOD(SessionHandler, read); extern PHP_METHOD(SessionHandler, write); extern PHP_METHOD(SessionHandler, destroy); extern PHP_METHOD(SessionHandler, gc); extern PHP_METHOD(SessionHandler, create_sid); #endif
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