1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 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 /* $Id$ */
20
21 #include "php.h"
22 #include "php_session.h"
23 #include "mod_user.h"
24
25 ps_module ps_mod_user = {
26 PS_MOD_SID(user)
27 };
28
29 #define SESS_ZVAL_LONG(val, a) \
30 { \
31 MAKE_STD_ZVAL(a); \
32 ZVAL_LONG(a, val); \
33 }
34
35 #define SESS_ZVAL_STRING(vl, a) \
36 { \
37 char *__vl = vl; \
38 SESS_ZVAL_STRINGN(__vl, strlen(__vl), a); \
39 }
40
41 #define SESS_ZVAL_STRINGN(vl, ln, a) \
42 { \
43 MAKE_STD_ZVAL(a); \
44 ZVAL_STRINGL(a, vl, ln, 1); \
45 }
46
ps_call_handler(zval * func,int argc,zval ** argv TSRMLS_DC)47 static zval *ps_call_handler(zval *func, int argc, zval **argv TSRMLS_DC)
48 {
49 int i;
50 zval *retval = NULL;
51
52 MAKE_STD_ZVAL(retval);
53 if (call_user_function(EG(function_table), NULL, func, retval, argc, argv TSRMLS_CC) == FAILURE) {
54 zval_ptr_dtor(&retval);
55 retval = NULL;
56 }
57
58 for (i = 0; i < argc; i++) {
59 zval_ptr_dtor(&argv[i]);
60 }
61
62 return retval;
63 }
64
65 #define STDVARS \
66 zval *retval = NULL; \
67 int ret = FAILURE
68
69 #define PSF(a) PS(mod_user_names).name.ps_##a
70
71 #define FINISH \
72 if (retval) { \
73 convert_to_long(retval); \
74 ret = Z_LVAL_P(retval); \
75 zval_ptr_dtor(&retval); \
76 } \
77 return ret
78
PS_OPEN_FUNC(user)79 PS_OPEN_FUNC(user)
80 {
81 zval *args[2];
82 STDVARS;
83
84 if (PSF(open) == NULL) {
85 php_error_docref(NULL TSRMLS_CC, E_WARNING,
86 "user session functions not defined");
87
88 return FAILURE;
89 }
90
91 SESS_ZVAL_STRING((char*)save_path, args[0]);
92 SESS_ZVAL_STRING((char*)session_name, args[1]);
93
94 retval = ps_call_handler(PSF(open), 2, args TSRMLS_CC);
95 PS(mod_user_implemented) = 1;
96
97 FINISH;
98 }
99
PS_CLOSE_FUNC(user)100 PS_CLOSE_FUNC(user)
101 {
102 zend_bool bailout = 0;
103 STDVARS;
104
105 if (!PS(mod_user_implemented)) {
106 /* already closed */
107 return SUCCESS;
108 }
109
110 zend_try {
111 retval = ps_call_handler(PSF(close), 0, NULL TSRMLS_CC);
112 } zend_catch {
113 bailout = 1;
114 } zend_end_try();
115
116 PS(mod_user_implemented) = 0;
117
118 if (bailout) {
119 if (retval) {
120 zval_ptr_dtor(&retval);
121 }
122 zend_bailout();
123 }
124
125 FINISH;
126 }
127
PS_READ_FUNC(user)128 PS_READ_FUNC(user)
129 {
130 zval *args[1];
131 STDVARS;
132
133 SESS_ZVAL_STRING((char*)key, args[0]);
134
135 retval = ps_call_handler(PSF(read), 1, args TSRMLS_CC);
136
137 if (retval) {
138 if (Z_TYPE_P(retval) == IS_STRING) {
139 *val = estrndup(Z_STRVAL_P(retval), Z_STRLEN_P(retval));
140 *vallen = Z_STRLEN_P(retval);
141 ret = SUCCESS;
142 }
143 zval_ptr_dtor(&retval);
144 }
145
146 return ret;
147 }
148
PS_WRITE_FUNC(user)149 PS_WRITE_FUNC(user)
150 {
151 zval *args[2];
152 STDVARS;
153
154 SESS_ZVAL_STRING((char*)key, args[0]);
155 SESS_ZVAL_STRINGN((char*)val, vallen, args[1]);
156
157 retval = ps_call_handler(PSF(write), 2, args TSRMLS_CC);
158
159 FINISH;
160 }
161
PS_DESTROY_FUNC(user)162 PS_DESTROY_FUNC(user)
163 {
164 zval *args[1];
165 STDVARS;
166
167 SESS_ZVAL_STRING((char*)key, args[0]);
168
169 retval = ps_call_handler(PSF(destroy), 1, args TSRMLS_CC);
170
171 FINISH;
172 }
173
PS_GC_FUNC(user)174 PS_GC_FUNC(user)
175 {
176 zval *args[1];
177 STDVARS;
178
179 SESS_ZVAL_LONG(maxlifetime, args[0]);
180
181 retval = ps_call_handler(PSF(gc), 1, args TSRMLS_CC);
182
183 FINISH;
184 }
185
PS_CREATE_SID_FUNC(user)186 PS_CREATE_SID_FUNC(user)
187 {
188 /* maintain backwards compatibility */
189 if (PSF(create_sid) != NULL) {
190 char *id = NULL;
191 zval *retval = NULL;
192
193 retval = ps_call_handler(PSF(create_sid), 0, NULL TSRMLS_CC);
194
195 if (retval) {
196 if (Z_TYPE_P(retval) == IS_STRING) {
197 id = estrndup(Z_STRVAL_P(retval), Z_STRLEN_P(retval));
198 }
199 zval_ptr_dtor(&retval);
200 }
201 else {
202 php_error_docref(NULL TSRMLS_CC, E_ERROR, "No session id returned by function");
203 return NULL;
204 }
205
206 if (!id) {
207 php_error_docref(NULL TSRMLS_CC, E_ERROR, "Session id must be a string");
208 return NULL;
209 }
210
211 return id;
212 }
213
214 /* function as defined by PS_MOD */
215 return php_session_create_id(mod_data, newlen TSRMLS_CC);
216 }
217
218 /*
219 * Local variables:
220 * tab-width: 4
221 * c-basic-offset: 4
222 * End:
223 * vim600: sw=4 ts=4 fdm=marker
224 * vim<600: sw=4 ts=4
225 */
226
