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 zend_result 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 zend_try {
51 ret = PS(default_mod)->s_open(&PS(mod_data), save_path, session_name);
52 } zend_catch {
53 PS(session_status) = php_session_none;
54 zend_bailout();
55 } zend_end_try();
56
57 if (SUCCESS == ret) {
58 PS(mod_user_is_open) = 1;
59 }
60
61 RETURN_BOOL(SUCCESS == ret);
62 }
63 /* }}} */
64
65 /* {{{ Wraps the old close handler */
PHP_METHOD(SessionHandler,close)66 PHP_METHOD(SessionHandler, close)
67 {
68 zend_result ret;
69
70 // don't return on failure, since not closing the default handler
71 // could result in memory leaks or other nasties
72 zend_parse_parameters_none();
73
74 PS_SANITY_CHECK_IS_OPEN;
75
76 PS(mod_user_is_open) = 0;
77
78 zend_try {
79 ret = PS(default_mod)->s_close(&PS(mod_data));
80 } zend_catch {
81 PS(session_status) = php_session_none;
82 zend_bailout();
83 } zend_end_try();
84
85 RETURN_BOOL(SUCCESS == ret);
86 }
87 /* }}} */
88
89 /* {{{ Wraps the old read handler */
PHP_METHOD(SessionHandler,read)90 PHP_METHOD(SessionHandler, read)
91 {
92 zend_string *val;
93 zend_string *key;
94
95 if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &key) == FAILURE) {
96 RETURN_THROWS();
97 }
98
99 PS_SANITY_CHECK_IS_OPEN;
100
101 if (PS(default_mod)->s_read(&PS(mod_data), key, &val, PS(gc_maxlifetime)) == FAILURE) {
102 RETURN_FALSE;
103 }
104
105 RETURN_STR(val);
106 }
107 /* }}} */
108
109 /* {{{ Wraps the old write handler */
PHP_METHOD(SessionHandler,write)110 PHP_METHOD(SessionHandler, write)
111 {
112 zend_string *key, *val;
113
114 if (zend_parse_parameters(ZEND_NUM_ARGS(), "SS", &key, &val) == FAILURE) {
115 RETURN_THROWS();
116 }
117
118 PS_SANITY_CHECK_IS_OPEN;
119
120 RETURN_BOOL(SUCCESS == PS(default_mod)->s_write(&PS(mod_data), key, val, PS(gc_maxlifetime)));
121 }
122 /* }}} */
123
124 /* {{{ Wraps the old destroy handler */
PHP_METHOD(SessionHandler,destroy)125 PHP_METHOD(SessionHandler, destroy)
126 {
127 zend_string *key;
128
129 if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &key) == FAILURE) {
130 RETURN_THROWS();
131 }
132
133 PS_SANITY_CHECK_IS_OPEN;
134
135 RETURN_BOOL(SUCCESS == PS(default_mod)->s_destroy(&PS(mod_data), key));
136 }
137 /* }}} */
138
139 /* {{{ Wraps the old gc handler */
PHP_METHOD(SessionHandler,gc)140 PHP_METHOD(SessionHandler, gc)
141 {
142 zend_long maxlifetime;
143 zend_long nrdels = -1;
144
145 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &maxlifetime) == FAILURE) {
146 RETURN_THROWS();
147 }
148
149 PS_SANITY_CHECK_IS_OPEN;
150
151 if (PS(default_mod)->s_gc(&PS(mod_data), maxlifetime, &nrdels) == FAILURE) {
152 RETURN_FALSE;
153 }
154 RETURN_LONG(nrdels);
155 }
156 /* }}} */
157
158 /* {{{ Wraps the old create_sid handler */
PHP_METHOD(SessionHandler,create_sid)159 PHP_METHOD(SessionHandler, create_sid)
160 {
161 zend_string *id;
162
163 if (zend_parse_parameters_none() == FAILURE) {
164 RETURN_THROWS();
165 }
166
167 PS_SANITY_CHECK;
168
169 id = PS(default_mod)->s_create_sid(&PS(mod_data));
170
171 RETURN_STR(id);
172 }
173 /* }}} */
174
