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|
/*
+--------------------------------------------------------------------+
| PECL :: http |
+--------------------------------------------------------------------+
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met. |
+--------------------------------------------------------------------+
| Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
+--------------------------------------------------------------------+
*/
#include "php_http_api.h"
#if PHP_HTTP_HAVE_CURL
#if defined(ZTS) && defined(PHP_HTTP_HAVE_SSL)
# ifdef PHP_WIN32
# define PHP_HTTP_NEED_OPENSSL_TSL
# include <openssl/crypto.h>
# else /* !PHP_WIN32 */
# if defined(PHP_HTTP_HAVE_OPENSSL)
# define PHP_HTTP_NEED_OPENSSL_TSL
# include <openssl/crypto.h>
# elif defined(PHP_HTTP_HAVE_GNUTLS)
# define PHP_HTTP_NEED_GNUTLS_TSL
# include <gcrypt.h>
# else
# warning \
"libcurl was compiled with SSL support, but configure could not determine which" \
"library was used; thus no SSL crypto locking callbacks will be set, which may " \
"cause random crashes on SSL requests"
# endif /* PHP_HTTP_HAVE_OPENSSL || PHP_HTTP_HAVE_GNUTLS */
# endif /* PHP_WIN32 */
#endif /* ZTS && PHP_HTTP_HAVE_SSL */
#ifdef PHP_HTTP_NEED_OPENSSL_TSL
static MUTEX_T *php_http_openssl_tsl = NULL;
static void php_http_openssl_thread_lock(int mode, int n, const char * file, int line)
{
if (mode & CRYPTO_LOCK) {
tsrm_mutex_lock(php_http_openssl_tsl[n]);
} else {
tsrm_mutex_unlock(php_http_openssl_tsl[n]);
}
}
static ulong php_http_openssl_thread_id(void)
{
return (ulong) tsrm_thread_id();
}
#endif
#ifdef PHP_HTTP_NEED_GNUTLS_TSL
static int php_http_gnutls_mutex_create(void **m)
{
if (*((MUTEX_T *) m) = tsrm_mutex_alloc()) {
return SUCCESS;
} else {
return FAILURE;
}
}
static int php_http_gnutls_mutex_destroy(void **m)
{
tsrm_mutex_free(*((MUTEX_T *) m));
return SUCCESS;
}
static int php_http_gnutls_mutex_lock(void **m)
{
return tsrm_mutex_lock(*((MUTEX_T *) m));
}
static int php_http_gnutls_mutex_unlock(void **m)
{
return tsrm_mutex_unlock(*((MUTEX_T *) m));
}
static struct gcry_thread_cbs php_http_gnutls_tsl = {
GCRY_THREAD_OPTION_USER,
NULL,
php_http_gnutls_mutex_create,
php_http_gnutls_mutex_destroy,
php_http_gnutls_mutex_lock,
php_http_gnutls_mutex_unlock
};
#endif
PHP_MINIT_FUNCTION(http_curl)
{
#ifdef PHP_HTTP_NEED_OPENSSL_TSL
/* mod_ssl, libpq or ext/curl might already have set thread lock callbacks */
if (!CRYPTO_get_id_callback()) {
int i, c = CRYPTO_num_locks();
php_http_openssl_tsl = malloc(c * sizeof(MUTEX_T));
for (i = 0; i < c; ++i) {
php_http_openssl_tsl[i] = tsrm_mutex_alloc();
}
CRYPTO_set_id_callback(php_http_openssl_thread_id);
CRYPTO_set_locking_callback(php_http_openssl_thread_lock);
}
#endif
#ifdef PHP_HTTP_NEED_GNUTLS_TSL
gcry_control(GCRYCTL_SET_THREAD_CBS, &php_http_gnutls_tsl);
#endif
if (CURLE_OK != curl_global_init(CURL_GLOBAL_ALL)) {
return FAILURE;
}
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(http_curl)
{
curl_global_cleanup();
#ifdef PHP_HTTP_NEED_OPENSSL_TSL
if (php_http_openssl_tsl) {
int i, c = CRYPTO_num_locks();
CRYPTO_set_id_callback(NULL);
CRYPTO_set_locking_callback(NULL);
for (i = 0; i < c; ++i) {
tsrm_mutex_free(php_http_openssl_tsl[i]);
}
free(php_http_openssl_tsl);
php_http_openssl_tsl = NULL;
}
#endif
return SUCCESS;
}
#endif /* PHP_HTTP_HAVE_CURL */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|
