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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2010 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id: mod_user.c 293036 2010-01-03 09:23:27Z sebastian $ */
#include "php.h"
#include "php_session.h"
#include "mod_user.h"
ps_module ps_mod_user = {
PS_MOD(user)
};
#define SESS_ZVAL_LONG(val, a) \
{ \
MAKE_STD_ZVAL(a); \
ZVAL_LONG(a, val); \
}
#define SESS_ZVAL_STRING(vl, a) \
{ \
char *__vl = vl; \
SESS_ZVAL_STRINGN(__vl, strlen(__vl), a); \
}
#define SESS_ZVAL_STRINGN(vl, ln, a) \
{ \
MAKE_STD_ZVAL(a); \
ZVAL_STRINGL(a, vl, ln, 1); \
}
static zval *ps_call_handler(zval *func, int argc, zval **argv TSRMLS_DC)
{
int i;
zval *retval = NULL;
MAKE_STD_ZVAL(retval);
if (call_user_function(EG(function_table), NULL, func, retval, argc, argv TSRMLS_CC) == FAILURE) {
zval_ptr_dtor(&retval);
retval = NULL;
}
for (i = 0; i < argc; i++) {
zval_ptr_dtor(&argv[i]);
}
return retval;
}
#define STDVARS1 \
zval *retval; \
int ret = FAILURE
#define STDVARS \
STDVARS1; \
char *mdata = PS_GET_MOD_DATA(); \
if (!mdata) { return FAILURE; }
#define PSF(a) PS(mod_user_names).name.ps_##a
#define FINISH \
if (retval) { \
convert_to_long(retval); \
ret = Z_LVAL_P(retval); \
zval_ptr_dtor(&retval); \
} \
return ret
PS_OPEN_FUNC(user)
{
zval *args[2];
static char dummy = 0;
STDVARS1;
SESS_ZVAL_STRING((char*)save_path, args[0]);
SESS_ZVAL_STRING((char*)session_name, args[1]);
retval = ps_call_handler(PSF(open), 2, args TSRMLS_CC);
if (retval) {
/* This is necessary to fool the session module. Yes, it's safe to
* use a static. Neither mod_user nor the session module itself will
* ever touch this pointer. It could be set to 0xDEADBEEF for all the
* difference it makes, but for the sake of paranoia it's set to some
* valid value. */
PS_SET_MOD_DATA(&dummy);
}
FINISH;
}
PS_CLOSE_FUNC(user)
{
STDVARS1;
retval = ps_call_handler(PSF(close), 0, NULL TSRMLS_CC);
PS_SET_MOD_DATA(NULL);
FINISH;
}
PS_READ_FUNC(user)
{
zval *args[1];
STDVARS;
SESS_ZVAL_STRING((char*)key, args[0]);
retval = ps_call_handler(PSF(read), 1, args TSRMLS_CC);
if (retval) {
if (Z_TYPE_P(retval) == IS_STRING) {
*val = estrndup(Z_STRVAL_P(retval), Z_STRLEN_P(retval));
*vallen = Z_STRLEN_P(retval);
ret = SUCCESS;
}
zval_ptr_dtor(&retval);
}
return ret;
}
PS_WRITE_FUNC(user)
{
zval *args[2];
STDVARS;
SESS_ZVAL_STRING((char*)key, args[0]);
SESS_ZVAL_STRINGN((char*)val, vallen, args[1]);
retval = ps_call_handler(PSF(write), 2, args TSRMLS_CC);
FINISH;
}
PS_DESTROY_FUNC(user)
{
zval *args[1];
STDVARS;
SESS_ZVAL_STRING((char*)key, args[0]);
retval = ps_call_handler(PSF(destroy), 1, args TSRMLS_CC);
FINISH;
}
PS_GC_FUNC(user)
{
zval *args[1];
STDVARS;
SESS_ZVAL_LONG(maxlifetime, args[0]);
retval = ps_call_handler(PSF(gc), 1, args TSRMLS_CC);
FINISH;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
|
