1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
5: | Copyright (c) 1997-2014 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: Sascha Schumann <sascha@schumann.cx> |
16: +----------------------------------------------------------------------+
17: */
18:
19: /* $Id: php_session.h,v 1.1.1.4 2014/06/15 20:03:55 misho Exp $ */
20:
21: #ifndef PHP_SESSION_H
22: #define PHP_SESSION_H
23:
24: #include "ext/standard/php_var.h"
25:
26: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
27: # include "ext/hash/php_hash.h"
28: #endif
29:
30: #define PHP_SESSION_API 20020330
31:
32: #define PS_OPEN_ARGS void **mod_data, const char *save_path, const char *session_name TSRMLS_DC
33: #define PS_CLOSE_ARGS void **mod_data TSRMLS_DC
34: #define PS_READ_ARGS void **mod_data, const char *key, char **val, int *vallen TSRMLS_DC
35: #define PS_WRITE_ARGS void **mod_data, const char *key, const char *val, const int vallen TSRMLS_DC
36: #define PS_DESTROY_ARGS void **mod_data, const char *key TSRMLS_DC
37: #define PS_GC_ARGS void **mod_data, int maxlifetime, int *nrdels TSRMLS_DC
38: #define PS_CREATE_SID_ARGS void **mod_data, int *newlen TSRMLS_DC
39:
40: /* default create id function */
41: PHPAPI char *php_session_create_id(PS_CREATE_SID_ARGS);
42:
43: typedef struct ps_module_struct {
44: const char *s_name;
45: int (*s_open)(PS_OPEN_ARGS);
46: int (*s_close)(PS_CLOSE_ARGS);
47: int (*s_read)(PS_READ_ARGS);
48: int (*s_write)(PS_WRITE_ARGS);
49: int (*s_destroy)(PS_DESTROY_ARGS);
50: int (*s_gc)(PS_GC_ARGS);
51: char *(*s_create_sid)(PS_CREATE_SID_ARGS);
52: } ps_module;
53:
54: #define PS_GET_MOD_DATA() *mod_data
55: #define PS_SET_MOD_DATA(a) *mod_data = (a)
56:
57: #define PS_OPEN_FUNC(x) int ps_open_##x(PS_OPEN_ARGS)
58: #define PS_CLOSE_FUNC(x) int ps_close_##x(PS_CLOSE_ARGS)
59: #define PS_READ_FUNC(x) int ps_read_##x(PS_READ_ARGS)
60: #define PS_WRITE_FUNC(x) int ps_write_##x(PS_WRITE_ARGS)
61: #define PS_DESTROY_FUNC(x) int ps_delete_##x(PS_DESTROY_ARGS)
62: #define PS_GC_FUNC(x) int ps_gc_##x(PS_GC_ARGS)
63: #define PS_CREATE_SID_FUNC(x) char *ps_create_sid_##x(PS_CREATE_SID_ARGS)
64:
65: #define PS_FUNCS(x) \
66: PS_OPEN_FUNC(x); \
67: PS_CLOSE_FUNC(x); \
68: PS_READ_FUNC(x); \
69: PS_WRITE_FUNC(x); \
70: PS_DESTROY_FUNC(x); \
71: PS_GC_FUNC(x); \
72: PS_CREATE_SID_FUNC(x)
73:
74: #define PS_MOD(x) \
75: #x, ps_open_##x, ps_close_##x, ps_read_##x, ps_write_##x, \
76: ps_delete_##x, ps_gc_##x, php_session_create_id
77:
78: /* SID enabled module handler definitions */
79: #define PS_FUNCS_SID(x) \
80: PS_OPEN_FUNC(x); \
81: PS_CLOSE_FUNC(x); \
82: PS_READ_FUNC(x); \
83: PS_WRITE_FUNC(x); \
84: PS_DESTROY_FUNC(x); \
85: PS_GC_FUNC(x); \
86: PS_CREATE_SID_FUNC(x)
87:
88: #define PS_MOD_SID(x) \
89: #x, ps_open_##x, ps_close_##x, ps_read_##x, ps_write_##x, \
90: ps_delete_##x, ps_gc_##x, ps_create_sid_##x
91:
92: typedef enum {
93: php_session_disabled,
94: php_session_none,
95: php_session_active
96: } php_session_status;
97:
98: typedef struct _php_session_rfc1867_progress {
99:
100: size_t sname_len;
101: zval sid;
102: smart_str key;
103:
104: long update_step;
105: long next_update;
106: double next_update_time;
107: zend_bool cancel_upload;
108: zend_bool apply_trans_sid;
109: size_t content_length;
110:
111: zval *data; /* the array exported to session data */
112: zval *post_bytes_processed; /* data["bytes_processed"] */
113: zval *files; /* data["files"] array */
114: zval *current_file; /* array of currently uploading file */
115: zval *current_file_bytes_processed;
116: } php_session_rfc1867_progress;
117:
118: typedef struct _php_ps_globals {
119: char *save_path;
120: char *session_name;
121: char *id;
122: char *extern_referer_chk;
123: char *entropy_file;
124: char *cache_limiter;
125: long entropy_length;
126: long cookie_lifetime;
127: char *cookie_path;
128: char *cookie_domain;
129: zend_bool cookie_secure;
130: zend_bool cookie_httponly;
131: ps_module *mod;
132: ps_module *default_mod;
133: void *mod_data;
134: php_session_status session_status;
135: long gc_probability;
136: long gc_divisor;
137: long gc_maxlifetime;
138: int module_number;
139: long cache_expire;
140: union {
141: zval *names[6];
142: struct {
143: zval *ps_open;
144: zval *ps_close;
145: zval *ps_read;
146: zval *ps_write;
147: zval *ps_destroy;
148: zval *ps_gc;
149: } name;
150: } mod_user_names;
151: int mod_user_implemented;
152: int mod_user_is_open;
153: const struct ps_serializer_struct *serializer;
154: zval *http_session_vars;
155: zend_bool auto_start;
156: zend_bool use_cookies;
157: zend_bool use_only_cookies;
158: zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */
159: zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */
160:
161: long hash_func;
162: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
163: php_hash_ops *hash_ops;
164: #endif
165: long hash_bits_per_character;
166: int send_cookie;
167: int define_sid;
168: zend_bool invalid_session_id; /* allows the driver to report about an invalid session id and request id regeneration */
169:
170: php_session_rfc1867_progress *rfc1867_progress;
171: zend_bool rfc1867_enabled; /* session.upload_progress.enabled */
172: zend_bool rfc1867_cleanup; /* session.upload_progress.cleanup */
173: smart_str rfc1867_prefix; /* session.upload_progress.prefix */
174: smart_str rfc1867_name; /* session.upload_progress.name */
175: long rfc1867_freq; /* session.upload_progress.freq */
176: double rfc1867_min_freq; /* session.upload_progress.min_freq */
177: } php_ps_globals;
178:
179: typedef php_ps_globals zend_ps_globals;
180:
181: extern zend_module_entry session_module_entry;
182: #define phpext_session_ptr &session_module_entry
183:
184: #ifdef ZTS
185: #define PS(v) TSRMG(ps_globals_id, php_ps_globals *, v)
186: #else
187: #define PS(v) (ps_globals.v)
188: #endif
189:
190: #define PS_SERIALIZER_ENCODE_ARGS char **newstr, int *newlen TSRMLS_DC
191: #define PS_SERIALIZER_DECODE_ARGS const char *val, int vallen TSRMLS_DC
192:
193: typedef struct ps_serializer_struct {
194: const char *name;
195: int (*encode)(PS_SERIALIZER_ENCODE_ARGS);
196: int (*decode)(PS_SERIALIZER_DECODE_ARGS);
197: } ps_serializer;
198:
199: #define PS_SERIALIZER_ENCODE_NAME(x) ps_srlzr_encode_##x
200: #define PS_SERIALIZER_DECODE_NAME(x) ps_srlzr_decode_##x
201:
202: #define PS_SERIALIZER_ENCODE_FUNC(x) \
203: int PS_SERIALIZER_ENCODE_NAME(x)(PS_SERIALIZER_ENCODE_ARGS)
204: #define PS_SERIALIZER_DECODE_FUNC(x) \
205: int PS_SERIALIZER_DECODE_NAME(x)(PS_SERIALIZER_DECODE_ARGS)
206:
207: #define PS_SERIALIZER_FUNCS(x) \
208: PS_SERIALIZER_ENCODE_FUNC(x); \
209: PS_SERIALIZER_DECODE_FUNC(x)
210:
211: #define PS_SERIALIZER_ENTRY(x) \
212: { #x, PS_SERIALIZER_ENCODE_NAME(x), PS_SERIALIZER_DECODE_NAME(x) }
213:
214: PHPAPI void session_adapt_url(const char *, size_t, char **, size_t * TSRMLS_DC);
215:
216: PHPAPI void php_add_session_var(char *name, size_t namelen TSRMLS_DC);
217: PHPAPI void php_set_session_var(char *name, size_t namelen, zval *state_val, php_unserialize_data_t *var_hash TSRMLS_DC);
218: PHPAPI int php_get_session_var(char *name, size_t namelen, zval ***state_var TSRMLS_DC);
219:
220: PHPAPI int php_session_register_module(ps_module *);
221:
222: PHPAPI int php_session_register_serializer(const char *name,
223: int (*encode)(PS_SERIALIZER_ENCODE_ARGS),
224: int (*decode)(PS_SERIALIZER_DECODE_ARGS));
225:
226: PHPAPI void php_session_set_id(char *id TSRMLS_DC);
227: PHPAPI void php_session_start(TSRMLS_D);
228:
229: PHPAPI ps_module *_php_find_ps_module(char *name TSRMLS_DC);
230: PHPAPI const ps_serializer *_php_find_ps_serializer(char *name TSRMLS_DC);
231:
232: #define PS_ADD_VARL(name,namelen) do { \
233: php_add_session_var(name, namelen TSRMLS_CC); \
234: } while (0)
235:
236: #define PS_ADD_VAR(name) PS_ADD_VARL(name, strlen(name))
237:
238: #define PS_DEL_VARL(name,namelen) do { \
239: if (PS(http_session_vars)) { \
240: zend_hash_del(Z_ARRVAL_P(PS(http_session_vars)), name, namelen+1); \
241: } \
242: } while (0)
243:
244:
245: #define PS_ENCODE_VARS \
246: char *key; \
247: uint key_length; \
248: ulong num_key; \
249: zval **struc;
250:
251: #define PS_ENCODE_LOOP(code) do { \
252: HashTable *_ht = Z_ARRVAL_P(PS(http_session_vars)); \
253: int key_type; \
254: \
255: for (zend_hash_internal_pointer_reset(_ht); \
256: (key_type = zend_hash_get_current_key_ex(_ht, &key, &key_length, &num_key, 0, NULL)) != HASH_KEY_NON_EXISTANT; \
257: zend_hash_move_forward(_ht)) { \
258: if (key_type == HASH_KEY_IS_LONG) { \
259: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Skipping numeric key %ld", num_key); \
260: continue; \
261: } \
262: key_length--; \
263: if (php_get_session_var(key, key_length, &struc TSRMLS_CC) == SUCCESS) { \
264: code; \
265: } \
266: } \
267: } while(0)
268:
269: PHPAPI ZEND_EXTERN_MODULE_GLOBALS(ps)
270:
271: void php_session_auto_start(void *data);
272: void php_session_shutdown(void *data);
273:
274: #define PS_CLASS_NAME "SessionHandler"
275: extern zend_class_entry *php_session_class_entry;
276:
277: #define PS_IFACE_NAME "SessionHandlerInterface"
278: extern zend_class_entry *php_session_iface_entry;
279:
280: extern PHP_METHOD(SessionHandler, open);
281: extern PHP_METHOD(SessionHandler, close);
282: extern PHP_METHOD(SessionHandler, read);
283: extern PHP_METHOD(SessionHandler, write);
284: extern PHP_METHOD(SessionHandler, destroy);
285: extern PHP_METHOD(SessionHandler, gc);
286:
287: #endif
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