Implemented plugin versioning

svn-id: r30826

1 files changed, 22 insertions, 0 deletions

diff --git a/backends/plugins/dynamic-plugin.h b/backends/plugins/dynamic-plugin.h
index 4b46c31ace..3825f28c87 100644
--- a/backends/plugins/dynamic-plugin.h
+++ b/backends/plugins/dynamic-plugin.h
@@ -39,6 +39,17 @@ protected:
 
 public:
 	virtual bool loadPlugin() {
+ 		// Validate the plugin API version
+ 		IntFunc verFunc = (IntFunc)findSymbol("PLUGIN_getVersion");
+ 		if (!verFunc) {
+ 			unloadPlugin();
+ 			return false;
+ 		}
+ 		if (verFunc() != PLUGIN_VERSION) {
+ 			unloadPlugin();
+ 			return false;
+ 		}
+
  		// Get the type of the plugin
  		IntFunc typeFunc = (IntFunc)findSymbol("PLUGIN_getType");
  		if (!typeFunc) {
@@ -51,6 +62,17 @@ public:
  			return false;
  		}
 
+ 		// Validate the plugin type API version
+ 		IntFunc typeVerFunc = (IntFunc)findSymbol("PLUGIN_getTypeVersion");
+ 		if (!typeVerFunc) {
+ 			unloadPlugin();
+ 			return false;
+ 		}
+ 		if (typeVerFunc() != pluginTypeVersions[_type]) {
+ 			unloadPlugin();
+ 			return false;
+ 		}
+
 		// Get the plugin's instantiator object
 		GetObjectFunc getObject = (GetObjectFunc)findSymbol("PLUGIN_getObject");
 		if (!getObject) {