- implement ssl crypto locks

[m6w6/ext-http] / http.c

diff --git a/http.c b/http.c
index 97899774f9f3a764f325d053bf076ecbb1476c0b..02a789adab5ba688710065a576f9faa6fd468d10 100644 (file)
--- a/http.c
+++ b/http.c
@@ -250,6 +250,50 @@ PHP_INI_BEGIN()
 PHP_INI_END()
 /* }}} */
 
+/* {{{ SSL */
+#if defined(ZTS) && defined(HTTP_HAVE_CURL) && defined(HAVE_OPENSSL_CRYPTO_H)
+
+#include <openssl/crypto.h>
+
+static MUTEX_T *http_ssl_mutex = NULL;
+
+static void http_ssl_lock(int mode, int n, const char * file, int line)
+{
+       if (mode & CRYPTO_LOCK) {
+               tsrm_mutex_lock(http_ssl_mutex[n]);
+       } else {
+               tsrm_mutex_unlock(http_ssl_mutex[n]);
+       }
+}
+static unsigned long http_ssl_id(void)
+{
+       return (unsigned long) tsrm_thread_id();
+}
+static inline void http_ssl_init(void)
+{
+       int i, c = CRYPTO_num_locks();
+       http_ssl_mutex = malloc(c * sizeof(MUTEX_T));
+       
+       for (i = 0; i < c; ++i) {
+               http_ssl_mutex[i] = tsrm_mutex_alloc();
+       }
+       
+       CRYPTO_set_id_callback(http_ssl_id);
+       CRYPTO_set_locking_callback(http_ssl_lock);
+}
+static inline void http_ssl_cleanup(void)
+{
+       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(http_ssl_mutex[i]);
+       }
+}
+#endif
+/* }}} */
 
 /* {{{ PHP_MINIT_FUNCTION */
 PHP_MINIT_FUNCTION(http)
@@ -265,7 +309,14 @@ PHP_MINIT_FUNCTION(http)
        HTTP_LONG_CONSTANT("HTTP_ETAG_MHASH", HTTP_ETAG_MHASH);
 
 #ifdef HTTP_HAVE_CURL
-       if (CURLE_OK != curl_global_init(CURL_GLOBAL_ALL)) {
+       if (CURLE_OK == curl_global_init(CURL_GLOBAL_ALL)) {
+#      if defined(ZTS) && defined(HAVE_OPENSSL_CRYPTO_H)
+               curl_version_info_data *cvid = curl_version_info(CURLVERSION_NOW);
+               if (cvid && (cvid->features & CURL_VERSION_SSL)) {
+                       http_ssl_init();
+               }
+#      endif
+       } else {
                return FAILURE;
        }
 #endif /* HTTP_HAVE_CURL */
@@ -293,6 +344,11 @@ PHP_MSHUTDOWN_FUNCTION(http)
        UNREGISTER_INI_ENTRIES();
 #ifdef HTTP_HAVE_CURL
        curl_global_cleanup();
+#      if defined(ZTS) && defined(HAVE_OPENSSL_CRYPTO_H)
+       if (http_ssl_mutex) {
+               http_ssl_cleanup();
+       }
+#      endif
 #endif
        return SUCCESS;
 }