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php-src/ext/dav/dav.c
Zeev Suraski bc415d5a88 * Finalizing the PHP version of SAPI. Support POST and cookies among other things. 
* Fully implement ISAPI support - POST and cookies among other things.
* Almost completely rewrote phpinfo().  Allow modules to easily display their
  information in phpinfo() without modifying phpinfo() itself (prototype for
  the module info function was changed, thus the large amount of updated module
  files).
* Initial extended SAPI support for Apache, completely untested.
* CGI now uses SAPI fully as well.
1999-05-09 08:48:05 +00:00

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/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: Stig Sæther Bakken <ssb@guardian.no> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#define IS_EXT_MODULE
#if COMPILE_DL
# if PHP_31
# include "../phpdl.h"
# else
# include "dl/phpdl.h"
# endif
#endif
#include "php.h"
#include "php3_dav.h"
#if defined(THREAD_SAFE) && !PHP_31
# undef THREAD_SAFE
#endif
#if HAVE_MOD_DAV
# include "mod_dav.h"
# include "phpdav.h"
# include "variables.h"
/* {{{ thread safety stuff */
# ifdef THREAD_SAFE
# define DAV_GLOBAL(a) phpdav_globals->a
# define DAV_TLS_VARS phpdav_global_struct *phpdav_globals = TlsGetValue(PHPDAVTls);
void *phpdav_mutex;
DWORD PHPDAVTls;
static int numthreads=0;
typedef struct phpdav_global_struct {
phpdav_module php3_dav_module;
} phpdav_global_struct;
# else /* !defined(THREAD_SAFE) */
# define DAV_GLOBAL(a) a
# define DAV_TLS_VARS
phpdav_module php3_dav_module;
# endif /* defined(THREAD_SAFE) */
# define DAV_HANDLER(a) DAV_GLOBAL(php3_dav_module).a##_handler
# define DAV_SET_HANDLER(a,b) \
dav_set_handler(&DAV_GLOBAL(php3_dav_module).a##_handler,(b))
/* }}} */
/* {{{ dynamically loadable module stuff */
# if COMPILE_DL
DLEXPORT php3_module_entry *get_module() { return &phpdav_module_entry; };
# endif /* COMPILE_DL */
/* }}} */
/* {{{ function prototypes */
int php3_minit_phpdav(INIT_FUNC_ARGS);
int php3_rinit_phpdav(INIT_FUNC_ARGS);
int php3_mshutdown_phpdav(SHUTDOWN_FUNC_ARGS);
int php3_rshutdown_phpdav(SHUTDOWN_FUNC_ARGS);
void php3_info_phpdav(ZEND_MODULE_INFO_FUNC_ARGS);
/* }}} */
/* {{{ extension definition structures */
function_entry phpdav_functions[] = {
PHP_FE(dav_set_mkcol_handlers, NULL)
{NULL, NULL, NULL}
};
php3_module_entry phpdav_module_entry = {
"DAV", /* extension name */
phpdav_functions, /* extension function list */
php3_minit_phpdav, /* extension-wide startup function */
php3_mshutdown_phpdav, /* extension-wide shutdown function */
php3_rinit_phpdav, /* per-request startup function */
php3_rshutdown_phpdav, /* per-request shutdown function */
php3_info_phpdav, /* information function */
STANDARD_MODULE_PROPERTIES
};
/* }}} */
/* {{{ startup, shutdown and info functions */
/* {{{ php3_minit_phpdav */
int php3_minit_phpdav(INIT_FUNC_ARGS)
{
#if defined(THREAD_SAFE)
phpdav_global_struct *phpdav_globals;
PHP3_MUTEX_ALLOC(phpdav_mutex);
PHP3_MUTEX_LOCK(phpdav_mutex);
numthreads++;
if (numthreads==1){
if (!PHP3_TLS_PROC_STARTUP(PHPDAVTls)){
PHP3_MUTEX_UNLOCK(phpdav_mutex);
PHP3_MUTEX_FREE(phpdav_mutex);
return FAILURE;
}
}
PHP3_MUTEX_UNLOCK(phdpav_mutex);
if(!PHP3_TLS_THREAD_INIT(PHPDAVTls,phpdav_globals,phpdav_global_struct)){
PHP3_MUTEX_FREE(phpdav_mutex);
return FAILURE;
}
#endif
return SUCCESS;
}
/* }}} */
/* {{{ php3_rinit_phpdav */
int php3_rinit_phpdav(INIT_FUNC_ARGS)
{
return SUCCESS;
}
/* }}} */
/* {{{ php3_mshutdown_phpdav() */
int php3_mshutdown_phpdav(SHUTDOWN_FUNC_ARGS)
{
DAV_TLS_VARS;
#ifdef THREAD_SAFE
PHP3_TLS_THREAD_FREE(phpdav_globals);
PHP3_MUTEX_LOCK(phpdav_mutex);
numthreads--;
if (numthreads < 1) {
PHP3_TLS_PROC_SHUTDOWN(PHPDAVTls);
PHP3_MUTEX_UNLOCK(phpdav_mutex);
PHP3_MUTEX_FREE(phpdav_mutex);
return SUCCESS;
}
PHP3_MUTEX_UNLOCK(phpdav_mutex);
#endif
return SUCCESS;
}
/* }}} */
/* {{{ php3_rshutdown_phpdav() */
int php3_rshutdown_phpdav(SHUTDOWN_FUNC_ARGS)
{
if (DAV_HANDLER(mkcol_test)) {
efree(DAV_HANDLER(mkcol_test));
}
if (DAV_HANDLER(mkcol_create)) {
efree(DAV_HANDLER(mkcol_create));
}
return SUCCESS;
}
/* }}} */
/* {{{ php3_info_phpdav() */
void php3_info_phpdav(ZEND_MODULE_INFO_FUNC_ARGS)
{
}
/* }}} */
/* }}} */
/* {{{ extension-internal functions */
/* {{{ dav_set_handler() */
static void
dav_set_handler(char **nameBufp, pval *data)
{
if (data->value.str.len > 0) {
if (*nameBufp != NULL) {
efree(*nameBufp);
}
*nameBufp = php3i_pval_strdup(data);
} else {
if (*nameBufp != NULL) {
efree(*nameBufp);
}
*nameBufp = NULL;
}
}
/* }}} */
/* {{{ dav_call_handler() */
static int
dav_call_handler(char *funcName, int argc, pval **argv)
{
if (funcName) {
pval *retval, *func;
int i, ret;
HashTable *function_table;
func = php3i_string_pval(funcName);
retval = emalloc(sizeof(pval));
function_table = php3i_get_function_table();
if (call_user_function(function_table, NULL, func, retval, argc, argv) == FAILURE) {
php3tls_pval_destructor(retval);
efree(retval);
return HTTP_INTERNAL_SERVER_ERROR;
}
php3tls_pval_destructor(func);
efree(func);
for (i = 0; i < argc; i++) {
php3tls_pval_destructor(argv[i]);
efree(argv[i]);
}
convert_to_long(retval);
ret = retval->value.lval;
efree(retval);
return ret;
}
return DECLINED;
}
/* }}} */
int phpdav_mkcol_test_handler(request_rec *r)
{
pval *arg;
if (DAV_HANDLER(mkcol_test) == NULL) {
return DECLINED;
}
arg = php3i_string_pval(r->filename);
return dav_call_handler(DAV_HANDLER(mkcol_test), 1, &arg);
}
int phpdav_mkcol_create_handler(request_rec *r)
{
pval *arg;
if (DAV_HANDLER(mkcol_create) == NULL) {
return DECLINED;
}
arg = php3i_string_pval(r->filename);
return dav_call_handler(DAV_HANDLER(mkcol_create), 1, &arg);
}
/* }}} */
/************************* EXTENSION FUNCTIONS *************************/
/* {{{ proto void dav_set_mkcol_handlers(string test, string create)
Sets the function to test whether a DAV collection exists for MKCOL */
PHP_FUNCTION(dav_set_mkcol_handlers)
{
pval *test, *create;
DAV_TLS_VARS;
if (ARG_COUNT(ht) != 2 || getParameters(ht, 2, &test, &create) == FAILURE) {
WRONG_PARAM_COUNT;
}
DAV_SET_HANDLER(mkcol_test, test);
DAV_SET_HANDLER(mkcol_create, create);
RETVAL_TRUE;
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
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