Annotation of embedaddon/php/ext/session/mod_user.c, revision 1.1.1.1
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
5: | Copyright (c) 1997-2012 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: mod_user.c 321634 2012-01-01 13:15:04Z felipe $ */
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(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:
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 STDVARS1 \
66: zval *retval; \
67: int ret = FAILURE
68:
69: #define STDVARS \
70: STDVARS1; \
71: char *mdata = PS_GET_MOD_DATA(); \
72: if (!mdata) { return FAILURE; }
73:
74: #define PSF(a) PS(mod_user_names).name.ps_##a
75:
76: #define FINISH \
77: if (retval) { \
78: convert_to_long(retval); \
79: ret = Z_LVAL_P(retval); \
80: zval_ptr_dtor(&retval); \
81: } \
82: return ret
83:
84: PS_OPEN_FUNC(user)
85: {
86: zval *args[2];
87: static char dummy = 0;
88: STDVARS1;
89:
90: SESS_ZVAL_STRING((char*)save_path, args[0]);
91: SESS_ZVAL_STRING((char*)session_name, args[1]);
92:
93: retval = ps_call_handler(PSF(open), 2, args TSRMLS_CC);
94: if (retval) {
95: /* This is necessary to fool the session module. Yes, it's safe to
96: * use a static. Neither mod_user nor the session module itself will
97: * ever touch this pointer. It could be set to 0xDEADBEEF for all the
98: * difference it makes, but for the sake of paranoia it's set to some
99: * valid value. */
100: PS_SET_MOD_DATA(&dummy);
101: }
102:
103: FINISH;
104: }
105:
106: PS_CLOSE_FUNC(user)
107: {
108: STDVARS1;
109:
110: retval = ps_call_handler(PSF(close), 0, NULL TSRMLS_CC);
111:
112: PS_SET_MOD_DATA(NULL);
113:
114: FINISH;
115: }
116:
117: PS_READ_FUNC(user)
118: {
119: zval *args[1];
120: STDVARS;
121:
122: SESS_ZVAL_STRING((char*)key, args[0]);
123:
124: retval = ps_call_handler(PSF(read), 1, args TSRMLS_CC);
125:
126: if (retval) {
127: if (Z_TYPE_P(retval) == IS_STRING) {
128: *val = estrndup(Z_STRVAL_P(retval), Z_STRLEN_P(retval));
129: *vallen = Z_STRLEN_P(retval);
130: ret = SUCCESS;
131: }
132: zval_ptr_dtor(&retval);
133: }
134:
135: return ret;
136: }
137:
138: PS_WRITE_FUNC(user)
139: {
140: zval *args[2];
141: STDVARS;
142:
143: SESS_ZVAL_STRING((char*)key, args[0]);
144: SESS_ZVAL_STRINGN((char*)val, vallen, args[1]);
145:
146: retval = ps_call_handler(PSF(write), 2, args TSRMLS_CC);
147:
148: FINISH;
149: }
150:
151: PS_DESTROY_FUNC(user)
152: {
153: zval *args[1];
154: STDVARS;
155:
156: SESS_ZVAL_STRING((char*)key, args[0]);
157:
158: retval = ps_call_handler(PSF(destroy), 1, args TSRMLS_CC);
159:
160: FINISH;
161: }
162:
163: PS_GC_FUNC(user)
164: {
165: zval *args[1];
166: STDVARS;
167:
168: SESS_ZVAL_LONG(maxlifetime, args[0]);
169:
170: retval = ps_call_handler(PSF(gc), 1, args TSRMLS_CC);
171:
172: FINISH;
173: }
174:
175: /*
176: * Local variables:
177: * tab-width: 4
178: * c-basic-offset: 4
179: * End:
180: * vim600: sw=4 ts=4 fdm=marker
181: * vim<600: sw=4 ts=4
182: */
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