Only loaded matching plugin on Windows #4866

Conflicts:
	src/gui/gui.pro
	src/gui/src/PluginManager.cpp
	src/lib/arch/win32/ArchPluginWindows.cpp

src/gui/gui.pro

@@ -59,7 +59,9 @@ SOURCES += src/main.cpp \
     src/SslCertificate.cpp \
     src/FileSysClient.cpp \
     src/Plugin.cpp \
-    src/WebClient.cpp
+    src/WebClient.cpp \
+    ../lib/common/PluginVersion.cpp
+
 HEADERS += src/MainWindow.h \
     src/AboutDialog.h \
     src/ServerConfig.h \
@@ -106,6 +108,8 @@ HEADERS += src/MainWindow.h \
     src/FileSysClient.h \
     src/Plugin.h \
     src/WebClient.h
+    ../lib/common/PluginVersion.h
+
 RESOURCES += res/Synergy.qrc
 RC_FILE = res/win/Synergy.rc
 macx { 

src/gui/src/PluginManager.cpp

@@ -24,6 +24,7 @@
 #include "ProcessorArch.h"
 #include "Fingerprint.h"
 #include "Plugin.h"
+#include "../lib/common/PluginVersion.h"
 
 #include <QTextStream>
 
@@ -32,6 +33,7 @@
 #include <QProcess>
 #include <QCoreApplication>
 
+
 PluginManager::PluginManager() :
 	m_FileSysPluginList()
 {
@@ -154,6 +156,7 @@ void PluginManager::copyPlugins()
 						"plugin list. Please contact the help desk, and "
 						"provide the following details.\n\n%1").arg(e.what()));
 	}
+
 	emit copyFinished();
 	return;
 }

src/lib/arch/win32/ArchPluginWindows.cpp

@@ -18,6 +18,7 @@
 
 #include "arch/win32/ArchPluginWindows.h"
 #include "arch/win32/XArchWindows.h"
+#include "common/PluginVersion.h"
 #include "base/Log.h"
 #include "base/IEventQueue.h"
 #include "base/Event.h"
@@ -67,15 +68,23 @@ ArchPluginWindows::load()
 		}
 
 		void* lib = reinterpret_cast<void*>(library);
-		String filename = synergy::string::removeFileExt(*it);
-		m_pluginTable.insert(std::make_pair(filename, lib));
-		const char* version = (char*)invoke(filename.c_str(), "version",NULL);
 
-		if (version == NULL) {
-			version = kPre174Plugin;
+		String pluginName = synergy::string::removeFileExt(*it);
+		m_pluginTable.insert(std::make_pair(pluginName, lib));
+
+		char* version = (char*)invoke(pluginName.c_str(), "version", NULL);
+		String expectedVersion(pluginVersion(pluginName.c_str()));
+		if (version != NULL && expectedVersion.compare(version) == 0) {
+			LOG((CLOG_DEBUG "loaded plugin: %s (%s)", (*it).c_str(), version));
+		}
+		else {
+			LOG((CLOG_WARN "plugin version doesn't match"));
+			LOG((CLOG_DEBUG "expected plugin version: %s actual plugin version: %s",
+				expectedVersion.c_str(), version));
+			LOG((CLOG_WARN "skip plugin: %s", (*it).c_str()));
+			m_pluginTable.erase(pluginName);
+			FreeLibrary(library);
 		}
-
-		LOG((CLOG_DEBUG "loaded plugin: %s (%s)", (*it).c_str(),version));
 	}
 }
 

src/lib/common/PluginVersion.cpp

@@ -0,0 +1,37 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2015 Synergy Si Ltd.
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package 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 the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "PluginVersion.h"
+
+#include <string.h>
+
+static const int kpluginCount = 1;
+static const char kUnknownVersion[] = "unknown";
+static const char* s_pluginNames[] = {"ns"};
+static const char* s_pluginVersions[] = {"1.2"};
+
+const char* pluginVersion(const char* pluginName)
+{
+	for (int i = 0; i < kpluginCount; i++) {
+		if (strcmp(pluginName, s_pluginNames[i]) == 0) {
+			return s_pluginVersions[i];
+			break;
+		}
+	}
+
+	return kUnknownVersion;
+}

src/lib/common/PluginVersion.h

@@ -0,0 +1,21 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2015 Synergy Si Ltd.
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package 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 the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// return plugin version map
+const char* pluginVersion(const char* pluginName);

src/lib/plugin/ns/ns.cpp

@@ -20,6 +20,7 @@
 #include "SecureSocket.h"
 #include "SecureListenSocket.h"
 #include "arch/Arch.h"
+#include "common/PluginVersion.h"
 #include "base/Log.h"
 
 #include <iostream>
@@ -27,11 +28,11 @@
 #include <vector>
 #include <iterator>
 
-const char * kSynergyVers = VERSION;
 SecureSocket* g_secureSocket = NULL;
 SecureListenSocket* g_secureListenSocket = NULL;
 Arch* g_arch = NULL;
 Log* g_log = NULL;
+static const char kPluginName[] = "ns";
 
 std::string
 helperGetLibsUsed(void)
@@ -106,7 +107,7 @@ invoke(const char* command, void** args)
 		}
 	}
 	else if (strcmp(command, "version") == 0) {
-		return (void*) kSynergyVers;
+		return (void*)pluginVersion(kPluginName);
 	}
 
 	return NULL;