1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Arpad Ray <arpad@php.net> |
14 +----------------------------------------------------------------------+
15 */
16
17 #include "php.h"
18 #include "php_session.h"
19
20 #define PS_SANITY_CHECK \
21 if (PS(session_status) != php_session_active) { \
22 zend_throw_error(NULL, "Session is not active"); \
23 RETURN_THROWS(); \
24 } \
25 if (PS(default_mod) == NULL) { \
26 zend_throw_error(NULL, "Cannot call default session handler"); \
27 RETURN_THROWS(); \
28 }
29
30 #define PS_SANITY_CHECK_IS_OPEN \
31 PS_SANITY_CHECK; \
32 if (!PS(mod_user_is_open)) { \
33 php_error_docref(NULL, E_WARNING, "Parent session handler is not open"); \
34 RETURN_FALSE; \
35 }
36
37 /* {{{ Wraps the old open handler */
PHP_METHOD(SessionHandler,open)38 PHP_METHOD(SessionHandler, open)
39 {
40 char *save_path = NULL, *session_name = NULL;
41 size_t save_path_len, session_name_len;
42 int ret;
43
44 if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", &save_path, &save_path_len, &session_name, &session_name_len) == FAILURE) {
45 RETURN_THROWS();
46 }
47
48 PS_SANITY_CHECK;
49
50 PS(mod_user_is_open) = 1;
51
52 zend_try {
53 ret = PS(default_mod)->s_open(&PS(mod_data), save_path, session_name);
54 } zend_catch {
55 PS(session_status) = php_session_none;
56 zend_bailout();
57 } zend_end_try();
58
59 RETVAL_BOOL(SUCCESS == ret);
60 }
61 /* }}} */
62
63 /* {{{ Wraps the old close handler */
PHP_METHOD(SessionHandler,close)64 PHP_METHOD(SessionHandler, close)
65 {
66 int ret;
67
68 // don't return on failure, since not closing the default handler
69 // could result in memory leaks or other nasties
70 zend_parse_parameters_none();
71
72 PS_SANITY_CHECK_IS_OPEN;
73
74 PS(mod_user_is_open) = 0;
75
76 zend_try {
77 ret = PS(default_mod)->s_close(&PS(mod_data));
78 } zend_catch {
79 PS(session_status) = php_session_none;
80 zend_bailout();
81 } zend_end_try();
82
83 RETVAL_BOOL(SUCCESS == ret);
84 }
85 /* }}} */
86
87 /* {{{ Wraps the old read handler */
PHP_METHOD(SessionHandler,read)88 PHP_METHOD(SessionHandler, read)
89 {
90 zend_string *val;
91 zend_string *key;
92
93 if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &key) == FAILURE) {
94 RETURN_THROWS();
95 }
96
97 PS_SANITY_CHECK_IS_OPEN;
98
99 if (PS(default_mod)->s_read(&PS(mod_data), key, &val, PS(gc_maxlifetime)) == FAILURE) {
100 RETURN_FALSE;
101 }
102
103 RETURN_STR(val);
104 }
105 /* }}} */
106
107 /* {{{ Wraps the old write handler */
PHP_METHOD(SessionHandler,write)108 PHP_METHOD(SessionHandler, write)
109 {
110 zend_string *key, *val;
111
112 if (zend_parse_parameters(ZEND_NUM_ARGS(), "SS", &key, &val) == FAILURE) {
113 RETURN_THROWS();
114 }
115
116 PS_SANITY_CHECK_IS_OPEN;
117
118 RETURN_BOOL(SUCCESS == PS(default_mod)->s_write(&PS(mod_data), key, val, PS(gc_maxlifetime)));
119 }
120 /* }}} */
121
122 /* {{{ Wraps the old destroy handler */
PHP_METHOD(SessionHandler,destroy)123 PHP_METHOD(SessionHandler, destroy)
124 {
125 zend_string *key;
126
127 if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &key) == FAILURE) {
128 RETURN_THROWS();
129 }
130
131 PS_SANITY_CHECK_IS_OPEN;
132
133 RETURN_BOOL(SUCCESS == PS(default_mod)->s_destroy(&PS(mod_data), key));
134 }
135 /* }}} */
136
137 /* {{{ Wraps the old gc handler */
PHP_METHOD(SessionHandler,gc)138 PHP_METHOD(SessionHandler, gc)
139 {
140 zend_long maxlifetime;
141 zend_long nrdels = -1;
142
143 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &maxlifetime) == FAILURE) {
144 RETURN_THROWS();
145 }
146
147 PS_SANITY_CHECK_IS_OPEN;
148
149 if (PS(default_mod)->s_gc(&PS(mod_data), maxlifetime, &nrdels) == FAILURE) {
150 RETURN_FALSE;
151 }
152 RETURN_LONG(nrdels);
153 }
154 /* }}} */
155
156 /* {{{ Wraps the old create_sid handler */
PHP_METHOD(SessionHandler,create_sid)157 PHP_METHOD(SessionHandler, create_sid)
158 {
159 zend_string *id;
160
161 if (zend_parse_parameters_none() == FAILURE) {
162 RETURN_THROWS();
163 }
164
165 PS_SANITY_CHECK;
166
167 id = PS(default_mod)->s_create_sid(&PS(mod_data));
168
169 RETURN_STR(id);
170 }
171 /* }}} */
172
