added fetcher_finalize() to clean up libcurl

src/charon/daemon.c

@@ -505,6 +505,7 @@ int main(int argc, char *argv[])
 	run(private_charon);
 	
 	eap_method_unload();
+	fetcher_finalize();
 	/* normal termination, cleanup and exit */
 	destroy(private_charon);
 	unlink(PID_FILE);

src/libstrongswan/utils/fetcher.c

@@ -173,7 +173,7 @@ void fetcher_initialize(void)
  #ifdef LIBCURL
 	CURLcode res;
 
-	/* init libcurl */
+	/* initialize libcurl */
 	DBG1("initializing libcurl");
 	res = curl_global_init(CURL_GLOBAL_NOTHING);
 	if (res != CURLE_OK)
@@ -182,3 +182,16 @@ void fetcher_initialize(void)
     }
 #endif /* LIBCURL */
 }
+
+/**
+ * Described in header.
+ */
+void fetcher_finalize(void)
+{
+ #ifdef LIBCURL
+	/* finalize libcurl */
+	DBG1("finalizing libcurl");
+	curl_global_cleanup();
+#endif /* LIBCURL */
+}
+

src/libstrongswan/utils/fetcher.h

@@ -83,4 +83,13 @@ fetcher_t* fetcher_create(const char *uri);
  */
 void fetcher_initialize(void);
 
+/**
+ * @brief Finalizes the fetcher_t class
+ *
+ * call this function only once befor exiting the main program
+ *
+ * @ingroup utils
+ */
+void fetcher_finalize(void);
+
 #endif /*FETCHER_H_*/