Merged with https://bitbucket.org/lindenlab/viewer-beta

15 files changed, 1001 insertions, 206 deletions

diff --git a/indra/viewer_components/updater/CMakeLists.txt b/indra/viewer_components/updater/CMakeLists.txt
index ef82290b47..61fd4220e0 100644..100755
--- a/indra/viewer_components/updater/CMakeLists.txt
+++ b/indra/viewer_components/updater/CMakeLists.txt
@@ -19,6 +19,10 @@ include_directories(
     ${LLPLUGIN_INCLUDE_DIRS}
     ${LLVFS_INCLUDE_DIRS}
     ${CURL_INCLUDE_DIRS}
+    ${CMAKE_SOURCE_DIR}/newview
+    )
+include_directories(SYSTEM
+    ${LLCOMMON_SYSTEM_INCLUDE_DIRS}
     )
 
 set(updater_service_SOURCE_FILES
@@ -38,6 +42,12 @@ set(updater_service_HEADER_FILES
 set_source_files_properties(${updater_service_HEADER_FILES}
                             PROPERTIES HEADER_FILE_ONLY TRUE)
 
+set_source_files_properties(
+   llupdaterservice.cpp 
+   PROPERTIES
+   COMPILE_DEFINITIONS "${VIEWER_CHANNEL_VERSION_DEFINES}" # see BuildVersion.cmake
+   )
+
 list(APPEND 
     updater_service_SOURCE_FILES 
     ${updater_service_HEADER_FILES} 
diff --git a/indra/viewer_components/updater/llupdatechecker.cpp b/indra/viewer_components/updater/llupdatechecker.cpp
index aa7bb72e6d..ff3763d2c5 100644..100755
--- a/indra/viewer_components/updater/llupdatechecker.cpp
+++ b/indra/viewer_components/updater/llupdatechecker.cpp
@@ -62,10 +62,16 @@ LLUpdateChecker::LLUpdateChecker(LLUpdateChecker::Client & client):
 }
 
 
-void LLUpdateChecker::checkVersion(std::string const & protocolVersion, std::string const & hostUrl, 
-							std::string const & servicePath, std::string channel, std::string version)
+void LLUpdateChecker::checkVersion(std::string const & hostUrl, 
+								   std::string const & servicePath,
+								   std::string const & channel,
+								   std::string const & version,
+								   std::string const & platform,
+								   std::string const & platform_version,
+								   unsigned char       uniqueid[MD5HEX_STR_SIZE],
+								   bool                willing_to_test)
 {
-	mImplementation->checkVersion(protocolVersion, hostUrl, servicePath, channel, version);
+	mImplementation->checkVersion(hostUrl, servicePath, channel, version, platform, platform_version, uniqueid, willing_to_test);
 }
 
 
@@ -74,12 +80,14 @@ void LLUpdateChecker::checkVersion(std::string const & protocolVersion, std::str
 //-----------------------------------------------------------------------------
 
 
-const char * LLUpdateChecker::Implementation::sProtocolVersion = "v1.0";
+const char * LLUpdateChecker::Implementation::sLegacyProtocolVersion = "v1.0";
+const char * LLUpdateChecker::Implementation::sProtocolVersion = "v1.1";
 
 
 LLUpdateChecker::Implementation::Implementation(LLUpdateChecker::Client & client):
 	mClient(client),
-	mInProgress(false)
+	mInProgress(false),
+	mProtocol(sProtocolVersion)
 {
 	; // No op.
 }
@@ -91,41 +99,93 @@ LLUpdateChecker::Implementation::~Implementation()
 }
 
 
-void LLUpdateChecker::Implementation::checkVersion(std::string const & protocolVersion, std::string const & hostUrl, 
-											std::string const & servicePath, std::string channel, std::string version)
+void LLUpdateChecker::Implementation::checkVersion(std::string const & hostUrl, 
+												   std::string const & servicePath,
+												   std::string const & channel,
+												   std::string const & version,
+												   std::string const & platform,
+												   std::string const & platform_version,
+												   unsigned char       uniqueid[MD5HEX_STR_SIZE],
+												   bool                willing_to_test)
 {
 	llassert(!mInProgress);
 	
-	if(protocolVersion != sProtocolVersion) throw CheckError("unsupported protocol");
-		
 	mInProgress = true;
-	mVersion = version;
-	std::string checkUrl = buildUrl(protocolVersion, hostUrl, servicePath, channel, version);
-	LL_INFOS("UpdateCheck") << "checking for updates at " << checkUrl << llendl;
+
+	mHostUrl     	 = hostUrl;
+	mServicePath 	 = servicePath;
+	mChannel     	 = channel;
+	mVersion     	 = version;
+	mPlatform        = platform;
+	mPlatformVersion = platform_version;
+	memcpy(mUniqueId, uniqueid, MD5HEX_STR_SIZE);
+	mWillingToTest   = willing_to_test;
+	
+	mProtocol = sProtocolVersion;
+
+	std::string checkUrl = buildUrl(hostUrl, servicePath, channel, version, platform, platform_version, uniqueid, willing_to_test);
+	LL_INFOS("UpdaterService") << "checking for updates at " << checkUrl << LL_ENDL;
 	
 	mHttpClient.get(checkUrl, this);
 }
 
 void LLUpdateChecker::Implementation::completed(U32 status,
-							  const std::string & reason,
-							  const LLSD & content)
+												const std::string & reason,
+												const LLSD & content)
 {
 	mInProgress = false;	
 	
-	if(status != 200) {
-		LL_WARNS("UpdateCheck") << "html error " << status << " (" << reason << ")" << llendl;
-		mClient.error(reason);
-	} else if(!content.asBoolean()) {
-		LL_INFOS("UpdateCheck") << "up to date" << llendl;
-		mClient.upToDate();
-	} else if(content["required"].asBoolean()) {
-		LL_INFOS("UpdateCheck") << "version invalid" << llendl;
-		LLURI uri(content["url"].asString());
-		mClient.requiredUpdate(content["version"].asString(), uri, content["hash"].asString());
-	} else {
-		LL_INFOS("UpdateCheck") << "newer version " << content["version"].asString() << " available" << llendl;
-		LLURI uri(content["url"].asString());
-		mClient.optionalUpdate(content["version"].asString(), uri, content["hash"].asString());
+	if(status != 200)
+	{
+		std::string server_error;
+		if ( content.has("error_code") )
+		{
+			server_error += content["error_code"].asString();
+		}
+		if ( content.has("error_text") )
+		{
+			server_error += server_error.empty() ? "" : ": ";
+			server_error += content["error_text"].asString();
+		}
+
+		if (status == 404)
+		{
+			if (mProtocol == sProtocolVersion)
+			{
+				mProtocol = sLegacyProtocolVersion;
+				std::string retryUrl = buildUrl(mHostUrl, mServicePath, mChannel, mVersion, mPlatform, mPlatformVersion, mUniqueId, mWillingToTest);
+
+				LL_WARNS("UpdaterService")
+					<< "update response using " << sProtocolVersion
+					<< " was HTTP 404 (" << server_error
+					<< "); retry with legacy protocol " << mProtocol
+					<< "\n at " << retryUrl
+					<< LL_ENDL;
+	
+				mHttpClient.get(retryUrl, this);
+			}
+			else
+			{
+				LL_WARNS("UpdaterService")
+					<< "update response using " << sLegacyProtocolVersion
+					<< " was 404 (" << server_error
+					<< "); request failed"
+					<< LL_ENDL;
+				mClient.error(reason);
+			}
+		}
+		else
+		{
+			LL_WARNS("UpdaterService") << "response error " << status
+									   << " " << reason
+									   << " (" << server_error << ")"
+									   << LL_ENDL;
+			mClient.error(reason);
+		}
+	}
+	else
+	{
+		mClient.response(content);
 	}
 }
 
@@ -133,27 +193,31 @@ void LLUpdateChecker::Implementation::completed(U32 status,
 void LLUpdateChecker::Implementation::error(U32 status, const std::string & reason)
 {
 	mInProgress = false;
-	LL_WARNS("UpdateCheck") << "update check failed; " << reason << llendl;
+	LL_WARNS("UpdaterService") << "update check failed; " << reason << LL_ENDL;
 	mClient.error(reason);
 }
 
 
-std::string LLUpdateChecker::Implementation::buildUrl(std::string const & protocolVersion, std::string const & hostUrl, 
-													  std::string const & servicePath, std::string channel, std::string version)
-{	
-#ifdef LL_WINDOWS
-	static const char * platform = "win";
-#elif LL_DARWIN
-    static const char * platform = "mac";
-#else
-	static const char * platform = "lnx";
-#endif
-	
+std::string LLUpdateChecker::Implementation::buildUrl(std::string const & hostUrl, 
+													  std::string const & servicePath,
+													  std::string const & channel,
+													  std::string const & version,
+													  std::string const & platform,
+													  std::string const & platform_version,
+													  unsigned char       uniqueid[MD5HEX_STR_SIZE],
+													  bool                willing_to_test)
+{
 	LLSD path;
 	path.append(servicePath);
-	path.append(protocolVersion);
+	path.append(mProtocol);
 	path.append(channel);
 	path.append(version);
 	path.append(platform);
+	if (mProtocol != sLegacyProtocolVersion)
+	{
+		path.append(platform_version);
+		path.append(willing_to_test ? "testok" : "testno");
+		path.append((char*)uniqueid);
+	}
 	return LLURI::buildHTTP(hostUrl, path).asString();
 }
diff --git a/indra/viewer_components/updater/llupdatechecker.h b/indra/viewer_components/updater/llupdatechecker.h
index 23f62a7c5e..8e85587490 100644..100755
--- a/indra/viewer_components/updater/llupdatechecker.h
+++ b/indra/viewer_components/updater/llupdatechecker.h
@@ -29,6 +29,7 @@
 
 #include <boost/shared_ptr.hpp>
 
+#include "llmd5.h"
 #include "llhttpclient.h"
 
 //
@@ -37,15 +38,20 @@
 class LLUpdateChecker {
 public:
 	class Client;
-	class Implementation:
-
-	public LLHTTPClient::Responder
+	class Implementation: public LLHTTPClient::Responder
 	{
 	public:
 		Implementation(Client & client);
 		~Implementation();
-		void checkVersion(std::string const & protocolVersion, std::string const & hostUrl, 
-				   std::string const & servicePath, std::string channel, std::string version);
+		void checkVersion(std::string const & hostUrl, 
+						  std::string const & servicePath,
+						  std::string const & channel,
+						  std::string const & version,
+						  std::string const & platform,
+						  std::string const & platform_version,
+						  unsigned char       uniqueid[MD5HEX_STR_SIZE],
+						  bool                willing_to_test
+						  );
 	
 		// Responder:
 		virtual void completed(U32 status,
@@ -54,15 +60,30 @@ public:
 		virtual void error(U32 status, const std::string & reason);
 	
 	private:	
+		static const char * sLegacyProtocolVersion;
 		static const char * sProtocolVersion;
-	
+		const char* mProtocol;
+		
 		Client & mClient;
 		LLHTTPClient mHttpClient;
-		bool mInProgress;
-		std::string mVersion;
-	
-		std::string buildUrl(std::string const & protocolVersion, std::string const & hostUrl, 
-							 std::string const & servicePath, std::string channel, std::string version);
+		bool         mInProgress;
+		std::string   mVersion;
+		std::string   mHostUrl;
+		std::string   mServicePath;
+		std::string   mChannel;
+		std::string   mPlatform;
+		std::string   mPlatformVersion;
+		unsigned char mUniqueId[MD5HEX_STR_SIZE];
+		bool          mWillingToTest;
+		
+		std::string buildUrl(std::string const & hostUrl, 
+							 std::string const & servicePath,
+							 std::string const & channel,
+							 std::string const & version,
+							 std::string const & platform,
+							 std::string const & platform_version,
+							 unsigned char       uniqueid[MD5HEX_STR_SIZE],
+							 bool                willing_to_test);
 
 		LOG_CLASS(LLUpdateChecker::Implementation);
 	};
@@ -74,8 +95,14 @@ public:
 	LLUpdateChecker(Client & client);
 	
 	// Check status of current app on the given host for the channel and version provided.
-	void checkVersion(std::string const & protocolVersion, std::string const & hostUrl, 
-			   std::string const & servicePath, std::string channel, std::string version);
+	void checkVersion(std::string const & hostUrl, 
+					  std::string const & servicePath,
+					  std::string const & channel,
+					  std::string const & version,
+					  std::string const & platform,
+					  std::string const & platform_version,
+					  unsigned char       uniqueid[MD5HEX_STR_SIZE],
+					  bool                willing_to_test);
 	
 private:
 	LLPointer<Implementation> mImplementation;
@@ -94,18 +121,8 @@ public:
 	// An error occurred while checking for an update.
 	virtual void error(std::string const & message) = 0;
 	
-	// A newer version is available, but the current version may still be used.
-	virtual void optionalUpdate(std::string const & newVersion,
-								LLURI const & uri,
-								std::string const & hash) = 0;
-	
-	// A newer version is available, and the current version is no longer valid. 
-	virtual void requiredUpdate(std::string const & newVersion,
-								LLURI const & uri,
-								std::string const & hash) = 0;
-	
-	// The checked version is up to date; no newer version exists.
-	virtual void upToDate(void) = 0;
+	// A successful response was received from the viewer version manager
+	virtual void response(LLSD const & content) = 0;
 };
 
 
diff --git a/indra/viewer_components/updater/llupdatedownloader.cpp b/indra/viewer_components/updater/llupdatedownloader.cpp
index 75e455e3f6..c28ad76c77 100644..100755
--- a/indra/viewer_components/updater/llupdatedownloader.cpp
+++ b/indra/viewer_components/updater/llupdatedownloader.cpp
@@ -50,7 +50,9 @@ public:
 	void cancel(void);
 	void download(LLURI const & uri,
 				  std::string const & hash,
+				  std::string const & updateChannel,
 				  std::string const & updateVersion,
+				  std::string const & info_url,
 				  bool required);
 	bool isDownloading(void);
 	size_t onHeader(void * header, size_t size);
@@ -125,10 +127,12 @@ void LLUpdateDownloader::cancel(void)
 
 void LLUpdateDownloader::download(LLURI const & uri,
 								  std::string const & hash,
+								  std::string const & updateChannel,
 								  std::string const & updateVersion,
+								  std::string const & info_url,
 								  bool required)
 {
-	mImplementation->download(uri, hash, updateVersion, required);
+	mImplementation->download(uri, hash, updateChannel, updateVersion, info_url, required);
 }
 
 
@@ -222,18 +226,28 @@ void LLUpdateDownloader::Implementation::cancel(void)
 
 void LLUpdateDownloader::Implementation::download(LLURI const & uri,
 												  std::string const & hash,
+												  std::string const & updateChannel,
 												  std::string const & updateVersion,
+												  std::string const & info_url,
 												  bool required)
-{
+{ 
 	if(isDownloading()) mClient.downloadError("download in progress");
 
 	mDownloadRecordPath = downloadMarkerPath();
 	mDownloadData = LLSD();
 	mDownloadData["required"] = required;
+	mDownloadData["update_channel"] = updateChannel;
 	mDownloadData["update_version"] = updateVersion;
-	try {
+	if (!info_url.empty())
+	{
+		mDownloadData["info_url"] = info_url;
+	}
+	try
+	{
 		startDownloading(uri, hash);
-	} catch(DownloadError const & e) {
+	}
+	catch(DownloadError const & e)
+	{
 		mClient.downloadError(e.what());
 	}
 }
@@ -249,47 +263,65 @@ void LLUpdateDownloader::Implementation::resume(void)
 {
 	mCancelled = false;
 
-	if(isDownloading()) {
+	if(isDownloading())
+	{
 		mClient.downloadError("download in progress");
 	}
 
 	mDownloadRecordPath = downloadMarkerPath();
 	llifstream dataStream(mDownloadRecordPath);
-	if(!dataStream) {
+	if(!dataStream)
+	{
 		mClient.downloadError("no download marker");
 		return;
 	}
 
 	LLSDSerialize::fromXMLDocument(mDownloadData, dataStream);
 
-	if(!mDownloadData.asBoolean()) {
+	if(!mDownloadData.asBoolean())
+	{
 		mClient.downloadError("no download information in marker");
 		return;
 	}
 
 	std::string filePath = mDownloadData["path"].asString();
-	try {
-		if(LLFile::isfile(filePath)) {
+	try
+	{
+		if(LLFile::isfile(filePath))
+		{
 			llstat fileStatus;
 			LLFile::stat(filePath, &fileStatus);
-			if(fileStatus.st_size != mDownloadData["size"].asInteger()) {
+			if(fileStatus.st_size != mDownloadData["size"].asInteger())
+			{
 				resumeDownloading(fileStatus.st_size);
-			} else if(!validateDownload()) {
+			}
+			else if(!validateDownload())
+			{
 				LLFile::remove(filePath);
 				download(LLURI(mDownloadData["url"].asString()),
 						 mDownloadData["hash"].asString(),
+						 mDownloadData["update_channel"].asString(),
 						 mDownloadData["update_version"].asString(),
+						 mDownloadData["info_url"].asString(),
 						 mDownloadData["required"].asBoolean());
-			} else {
+			}
+			else
+			{
 				mClient.downloadComplete(mDownloadData);
 			}
-		} else {
+		}
+		else
+		{
 			download(LLURI(mDownloadData["url"].asString()),
 					 mDownloadData["hash"].asString(),
+					 mDownloadData["update_channel"].asString(),
 					 mDownloadData["update_version"].asString(),
+					 mDownloadData["info_url"].asString(),
 					 mDownloadData["required"].asBoolean());
 		}
-	} catch(DownloadError & e) {
+	}
+	catch(DownloadError & e)
+	{
 		mClient.downloadError(e.what());
 	}
 }
@@ -297,13 +329,18 @@ void LLUpdateDownloader::Implementation::resume(void)
 
 void LLUpdateDownloader::Implementation::setBandwidthLimit(U64 bytesPerSecond)
 {
-	if((mBandwidthLimit != bytesPerSecond) && isDownloading() && !mDownloadData["required"].asBoolean()) {
+	if((mBandwidthLimit != bytesPerSecond) && isDownloading() && !mDownloadData["required"].asBoolean())
+	{
 		llassert(mCurl != 0);
 		mBandwidthLimit = bytesPerSecond;
 		CURLcode code = curl_easy_setopt(mCurl, CURLOPT_MAX_RECV_SPEED_LARGE, &mBandwidthLimit);
-		if(code != CURLE_OK) LL_WARNS("UpdateDownload") <<
-			"unable to change dowload bandwidth" << LL_ENDL;
-	} else {
+		if(code != CURLE_OK)
+		{
+			LL_WARNS("UpdaterService") << "unable to change dowload bandwidth" << LL_ENDL;
+		}
+	}
+	else
+	{
 		mBandwidthLimit = bytesPerSecond;
 	}
 }
@@ -322,13 +359,13 @@ size_t LLUpdateDownloader::Implementation::onHeader(void * buffer, size_t size)
 			size_t lastDigitPos = header.find_last_of("0123456789");
 			std::string contentLength = header.substr(firstDigitPos, lastDigitPos - firstDigitPos + 1);
 			size_t size = boost::lexical_cast<size_t>(contentLength);
-			LL_INFOS("UpdateDownload") << "download size is " << size << LL_ENDL;
+			LL_INFOS("UpdaterService") << "download size is " << size << LL_ENDL;
 
 			mDownloadData["size"] = LLSD(LLSD::Integer(size));
 			llofstream odataStream(mDownloadRecordPath);
 			LLSDSerialize::toPrettyXML(mDownloadData, odataStream);
 		} catch (std::exception const & e) {
-			LL_WARNS("UpdateDownload") << "unable to read content length ("
+			LL_WARNS("UpdaterService") << "unable to read content length ("
 				<< e.what() << ")" << LL_ENDL;
 		}
 	} else {
@@ -368,7 +405,7 @@ int LLUpdateDownloader::Implementation::onProgress(double downloadSize, double b
 		event["payload"] = payload;
 		LLEventPumps::instance().obtain("mainlooprepeater").post(event);
 
-		LL_INFOS("UpdateDownload") << "progress event " << payload << LL_ENDL;
+		LL_INFOS("UpdaterService") << "progress event " << payload << LL_ENDL;
 	} else {
 		; // Keep events to a reasonalbe number.
 	}
@@ -381,29 +418,44 @@ void LLUpdateDownloader::Implementation::run(void)
 {
 	CURLcode code = curl_easy_perform(mCurl);
 	mDownloadStream.close();
-	if(code == CURLE_OK) {
+	if(code == CURLE_OK)
+	{
 		LLFile::remove(mDownloadRecordPath);
-		if(validateDownload()) {
-			LL_INFOS("UpdateDownload") << "download successful" << LL_ENDL;
+		if(validateDownload())
+		{
+			LL_INFOS("UpdaterService") << "download successful" << LL_ENDL;
 			mClient.downloadComplete(mDownloadData);
-		} else {
-			LL_INFOS("UpdateDownload") << "download failed hash check" << LL_ENDL;
+		}
+		else
+		{
+			LL_INFOS("UpdaterService") << "download failed hash check" << LL_ENDL;
 			std::string filePath = mDownloadData["path"].asString();
-			if(filePath.size() != 0) LLFile::remove(filePath);
+			if(filePath.size() != 0)
+			{
+				LLFile::remove(filePath);
+			}
 			mClient.downloadError("failed hash check");
 		}
-	} else if(mCancelled && (code == CURLE_WRITE_ERROR)) {
-		LL_INFOS("UpdateDownload") << "download canceled by user" << LL_ENDL;
+	}
+	else if(mCancelled && (code == CURLE_WRITE_ERROR))
+	{
+		LL_INFOS("UpdaterService") << "download canceled by user" << LL_ENDL;
 		// Do not call back client.
-	} else {
-		LL_WARNS("UpdateDownload") << "download failed with error '" <<
+	}
+	else
+	{
+		LL_WARNS("UpdaterService") << "download failed with error '" <<
 			curl_easy_strerror(code) << "'" << LL_ENDL;
 		LLFile::remove(mDownloadRecordPath);
-		if(mDownloadData.has("path")) LLFile::remove(mDownloadData["path"].asString());
+		if(mDownloadData.has("path"))
+		{
+			LLFile::remove(mDownloadData["path"].asString());
+		}
 		mClient.downloadError("curl error");
 	}
 
-	if(mHeaderList) {
+	if(mHeaderList)
+	{
 		curl_slist_free_all(mHeaderList);
 		mHeaderList = 0;
 	}
@@ -421,13 +473,16 @@ void LLUpdateDownloader::Implementation::initializeCurlGet(std::string const & u
 		curl_easy_reset(mCurl);
 	}
 
-	if(mCurl == 0) throw DownloadError("failed to initialize curl");
-
+	if(mCurl == 0)
+	{
+		throw DownloadError("failed to initialize curl");
+	}
 	throwOnCurlError(curl_easy_setopt(mCurl, CURLOPT_NOSIGNAL, true));
 	throwOnCurlError(curl_easy_setopt(mCurl, CURLOPT_FOLLOWLOCATION, true));
 	throwOnCurlError(curl_easy_setopt(mCurl, CURLOPT_WRITEFUNCTION, &write_function));
 	throwOnCurlError(curl_easy_setopt(mCurl, CURLOPT_WRITEDATA, this));
-	if(processHeader) {
+	if(processHeader)
+	{
 	   throwOnCurlError(curl_easy_setopt(mCurl, CURLOPT_HEADERFUNCTION, &header_function));
 	   throwOnCurlError(curl_easy_setopt(mCurl, CURLOPT_HEADERDATA, this));
 	}
@@ -446,7 +501,7 @@ void LLUpdateDownloader::Implementation::initializeCurlGet(std::string const & u
 
 void LLUpdateDownloader::Implementation::resumeDownloading(size_t startByte)
 {
-	LL_INFOS("UpdateDownload") << "resuming download from " << mDownloadData["url"].asString()
+	LL_INFOS("UpdaterService") << "resuming download from " << mDownloadData["url"].asString()
 		<< " at byte " << startByte << LL_ENDL;
 
 	initializeCurlGet(mDownloadData["url"].asString(), false);
@@ -456,7 +511,10 @@ void LLUpdateDownloader::Implementation::resumeDownloading(size_t startByte)
 	boost::format rangeHeaderFormat("Range: bytes=%u-");
 	rangeHeaderFormat % startByte;
 	mHeaderList = curl_slist_append(mHeaderList, rangeHeaderFormat.str().c_str());
-	if(mHeaderList == 0) throw DownloadError("cannot add Range header");
+	if(mHeaderList == 0)
+	{
+		throw DownloadError("cannot add Range header");
+	}
 	throwOnCurlError(curl_easy_setopt(mCurl, CURLOPT_HTTPHEADER, mHeaderList));
 
 	mDownloadStream.open(mDownloadData["path"].asString(),
@@ -476,9 +534,9 @@ void LLUpdateDownloader::Implementation::startDownloading(LLURI const & uri, std
 	std::string filePath = gDirUtilp->getExpandedFilename(LL_PATH_TEMP, fileName);
 	mDownloadData["path"] = filePath;
 
-	LL_INFOS("UpdateDownload") << "downloading " << filePath
+	LL_INFOS("UpdaterService") << "downloading " << filePath
 		<< " from " << uri.asString() << LL_ENDL;
-	LL_INFOS("UpdateDownload") << "hash of file is " << hash << LL_ENDL;
+	LL_INFOS("UpdaterService") << "hash of file is " << hash << LL_ENDL;
 
 	llofstream dataStream(mDownloadRecordPath);
 	LLSDSerialize::toPrettyXML(mDownloadData, dataStream);
@@ -508,19 +566,26 @@ bool LLUpdateDownloader::Implementation::validateDownload(void)
 {
 	std::string filePath = mDownloadData["path"].asString();
 	llifstream fileStream(filePath, std::ios_base::in | std::ios_base::binary);
-	if(!fileStream) return false;
+	if(!fileStream)
+	{
+		return false;
+	}
 
 	std::string hash = mDownloadData["hash"].asString();
-	if(hash.size() != 0) {
-		LL_INFOS("UpdateDownload") << "checking hash..." << LL_ENDL;
+	if(hash.size() != 0)
+	{
+		LL_INFOS("UpdaterService") << "checking hash..." << LL_ENDL;
 		char digest[33];
 		LLMD5(fileStream).hex_digest(digest);
-		if(hash != digest) {
-			LL_WARNS("UpdateDownload") << "download hash mismatch; expeted " << hash <<
+		if(hash != digest)
+		{
+			LL_WARNS("UpdaterService") << "download hash mismatch; expected " << hash <<
 				" but download is " << digest << LL_ENDL;
 		}
 		return hash == digest;
-	} else {
+	}
+	else
+	{
 		return true; // No hash check provided.
 	}
 }
diff --git a/indra/viewer_components/updater/llupdatedownloader.h b/indra/viewer_components/updater/llupdatedownloader.h
index 0d635640cf..f759988f12 100644..100755
--- a/indra/viewer_components/updater/llupdatedownloader.h
+++ b/indra/viewer_components/updater/llupdatedownloader.h
@@ -54,7 +54,9 @@ public:
 	// Start a new download.
 	void download(LLURI const & uri,
 				  std::string const & hash, 
+				  std::string const & updateChannel,
 				  std::string const & updateVersion,
+				  std::string const & info_url,
 				  bool required=false);
 	
 	// Returns true if a download is in progress.
diff --git a/indra/viewer_components/updater/llupdateinstaller.cpp b/indra/viewer_components/updater/llupdateinstaller.cpp
index 2f87d59373..a0e2c0b362 100644..100755
--- a/indra/viewer_components/updater/llupdateinstaller.cpp
+++ b/indra/viewer_components/updater/llupdateinstaller.cpp
@@ -75,7 +75,7 @@ int ll_install_update(std::string const & script,
 			llassert(!"unpossible copy mode");
 	}
 	
-	llinfos << "UpdateInstaller: installing " << updatePath << " using " <<
+	LL_INFOS("Updater") << "UpdateInstaller: installing " << updatePath << " using " <<
 		actualScriptPath << LL_ENDL;
 	
 	LLProcess::Params params;
diff --git a/indra/viewer_components/updater/llupdateinstaller.h b/indra/viewer_components/updater/llupdateinstaller.h
index fe5b1d19b5..fe5b1d19b5 100644..100755
--- a/indra/viewer_components/updater/llupdateinstaller.h
+++ b/indra/viewer_components/updater/llupdateinstaller.h
diff --git a/indra/viewer_components/updater/llupdaterservice.cpp b/indra/viewer_components/updater/llupdaterservice.cpp
index bc73c72ddc..1bd9fa4fc0 100644..100755
--- a/indra/viewer_components/updater/llupdaterservice.cpp
+++ b/indra/viewer_components/updater/llupdaterservice.cpp
@@ -32,7 +32,6 @@
 #include "lltimer.h"
 #include "llupdatechecker.h"
 #include "llupdateinstaller.h"
-#include "llversionviewer.h"
 
 #include <boost/scoped_ptr.hpp>
 #include <boost/weak_ptr.hpp>
@@ -44,6 +43,12 @@
 #pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally
 #endif
 
+#if ! defined(LL_VIEWER_VERSION_MAJOR)			\
+ || ! defined(LL_VIEWER_VERSION_MINOR)			\
+ || ! defined(LL_VIEWER_VERSION_PATCH)			\
+ || ! defined(LL_VIEWER_VERSION_BUILD)
+#error "Version information is undefined"
+#endif
 
 namespace 
 {
@@ -60,6 +65,8 @@ namespace
 	{
 #ifdef LL_WINDOWS
 		std::string scriptFile = "update_install.bat";
+#elif LL_DARWIN
+		std::string scriptFile = "update_install.py";
 #else
 		std::string scriptFile = "update_install";
 #endif
@@ -71,6 +78,8 @@ namespace
 #ifdef LL_WINDOWS
 		return LL_COPY_INSTALL_SCRIPT_TO_TEMP;
 #else
+		// This is important on Mac because update_install.py looks at its own
+		// script pathname to discover the viewer app bundle to update.
 		return LL_RUN_INSTALL_SCRIPT_IN_PLACE;
 #endif
 	};
@@ -83,11 +92,15 @@ class LLUpdaterServiceImpl :
 {
 	static const std::string sListenerName;
 	
-	std::string mProtocolVersion;
-	std::string mUrl;
-	std::string mPath;
-	std::string mChannel;
-	std::string mVersion;
+	std::string   mProtocolVersion;
+	std::string   mUrl;
+	std::string   mPath;
+	std::string   mChannel;
+	std::string   mVersion;
+	std::string   mPlatform;
+	std::string   mPlatformVersion;
+	unsigned char mUniqueId[MD5HEX_STR_SIZE];
+	bool          mWillingToTest;
 	
 	unsigned int mCheckPeriod;
 	bool mIsChecking;
@@ -107,11 +120,15 @@ public:
 	LLUpdaterServiceImpl();
 	virtual ~LLUpdaterServiceImpl();
 
-	void initialize(const std::string& protocol_version,
-				   const std::string& url, 
-				   const std::string& path,
-				   const std::string& channel,
-				   const std::string& version);
+	void initialize(const std::string& 	url, 
+					const std::string& 	path,
+					const std::string& 	channel,
+					const std::string& 	version,
+					const std::string&  platform,
+					const std::string&  platform_version,
+					const unsigned char uniqueid[MD5HEX_STR_SIZE],
+					const bool&         willing_to_test					
+					);
 	
 	void setCheckPeriod(unsigned int seconds);
 	void setBandwidthLimit(U64 bytesPerSecond);
@@ -129,13 +146,9 @@ public:
 
 	// LLUpdateChecker::Client:
 	virtual void error(std::string const & message);
-	virtual void optionalUpdate(std::string const & newVersion,
-								LLURI const & uri,
-								std::string const & hash);
-	virtual void requiredUpdate(std::string const & newVersion,
-								LLURI const & uri,
-								std::string const & hash);
-	virtual void upToDate(void);
+	
+	// A successful response was received from the viewer version manager
+	virtual void response(LLSD const & content);
 	
 	// LLUpdateDownloader::Client
 	void downloadComplete(LLSD const & data);
@@ -144,6 +157,7 @@ public:
 	bool onMainLoop(LLSD const & event);
 
 private:
+	std::string mNewChannel;
 	std::string mNewVersion;
 	
 	void restartTimer(unsigned int seconds);
@@ -169,11 +183,14 @@ LLUpdaterServiceImpl::~LLUpdaterServiceImpl()
 	LLEventPumps::instance().obtain("mainloop").stopListening(sListenerName);
 }
 
-void LLUpdaterServiceImpl::initialize(const std::string& protocol_version,
-									  const std::string& url, 
-									  const std::string& path,
-									  const std::string& channel,
-									  const std::string& version)
+void LLUpdaterServiceImpl::initialize(const std::string&  url, 
+									  const std::string&  path,
+									  const std::string&  channel,
+									  const std::string&  version,
+									  const std::string&  platform,
+									  const std::string&  platform_version,
+									  const unsigned char uniqueid[MD5HEX_STR_SIZE],
+									  const bool&         willing_to_test)
 {
 	if(mIsChecking || mIsDownloading)
 	{
@@ -181,11 +198,22 @@ void LLUpdaterServiceImpl::initialize(const std::string& protocol_version,
 										   "while updater is running.");
 	}
 		
-	mProtocolVersion = protocol_version;
 	mUrl = url;
 	mPath = path;
 	mChannel = channel;
 	mVersion = version;
+	mPlatform = platform;
+	mPlatformVersion = platform_version;
+	memcpy(mUniqueId, uniqueid, MD5HEX_STR_SIZE);
+	mWillingToTest = willing_to_test;
+	LL_DEBUGS("UpdaterService")
+		<< "\n  url: " << mUrl
+		<< "\n  path: " << mPath
+		<< "\n  channel: " << mChannel
+		<< "\n  version: " << mVersion
+		<< "\n  uniqueid: " << mUniqueId
+		<< "\n  willing: " << ( mWillingToTest ? "testok" : "testno" )
+		<< LL_ENDL;
 }
 
 void LLUpdaterServiceImpl::setCheckPeriod(unsigned int seconds)
@@ -284,7 +312,7 @@ bool LLUpdaterServiceImpl::checkForInstall(bool launchInstaller)
 			// the update.  Do not install this update.
 			if(!path.asString().empty())
 			{
-				llinfos << "ignoring update dowloaded by different client version" << llendl;
+				LL_INFOS("UpdaterService") << "ignoring update dowloaded by different client version" << LL_ENDL;;
 				LLFile::remove(path.asString());
 				LLFile::remove(update_marker_path());
 			}
@@ -311,9 +339,13 @@ bool LLUpdaterServiceImpl::checkForInstall(bool launchInstaller)
 				if((result == 0) && mAppExitCallback)
 				{
 					mAppExitCallback();
-				} else if(result != 0) {
-					llwarns << "failed to run update install script" << LL_ENDL;
-				} else {
+				}
+				else if(result != 0)
+				{
+					LL_WARNS("UpdaterService") << "failed to run update install script" << LL_ENDL;
+				}
+				else
+				{
 					; // No op.
 				}
 			}
@@ -341,15 +373,19 @@ bool LLUpdaterServiceImpl::checkForResume()
 			{
 				mIsDownloading = true;
 				mNewVersion = download_info["update_version"].asString();
+				mNewChannel = download_info["update_channel"].asString();
 				mUpdateDownloader.resume();
 				result = true;
 			}
 			else 
 			{
 				// The viewer that started this download is not the same as this viewer; ignore.
-				llinfos << "ignoring partial download from different viewer version" << llendl;
+				LL_INFOS("UpdaterService") << "ignoring partial download from different viewer version" << LL_ENDL;;
 				std::string path = download_info["path"].asString();
-				if(!path.empty()) LLFile::remove(path);
+				if(!path.empty())
+				{
+					LLFile::remove(path);
+				}
 				LLFile::remove(download_marker_path);
 			}
 		} 
@@ -366,36 +402,43 @@ void LLUpdaterServiceImpl::error(std::string const & message)
 	}
 }
 
-void LLUpdaterServiceImpl::optionalUpdate(std::string const & newVersion,
-										  LLURI const & uri,
-										  std::string const & hash)
+// A successful response was received from the viewer version manager
+void LLUpdaterServiceImpl::response(LLSD const & content)
 {
-	stopTimer();
-	mNewVersion = newVersion;
-	mIsDownloading = true;
-	setState(LLUpdaterService::DOWNLOADING);
-	mUpdateDownloader.download(uri, hash, newVersion, false);
-}
-
-void LLUpdaterServiceImpl::requiredUpdate(std::string const & newVersion,
-										  LLURI const & uri,
-										  std::string const & hash)
-{
-	stopTimer();
-	mNewVersion = newVersion;
-	mIsDownloading = true;
-	setState(LLUpdaterService::DOWNLOADING);
-	mUpdateDownloader.download(uri, hash, newVersion, true);
-}
-
-void LLUpdaterServiceImpl::upToDate(void)
-{
-	if(mIsChecking)
+	if(!content.asBoolean()) // an empty response means "no update"
 	{
-		restartTimer(mCheckPeriod);
-	}
+		LL_INFOS("UpdaterService") << "up to date" << LL_ENDL;
+		if(mIsChecking)
+		{
+			restartTimer(mCheckPeriod);
+		}
 	
-	setState(LLUpdaterService::UP_TO_DATE);
+		setState(LLUpdaterService::UP_TO_DATE);
+	}
+	else
+	{
+		// there is an update available...
+		stopTimer();
+		mNewChannel = content["channel"].asString();
+		if (mNewChannel.empty())
+		{
+			LL_INFOS("UpdaterService") << "no channel supplied, assuming current channel" << LL_ENDL;
+			mNewChannel = mChannel;
+		}
+		mNewVersion = content["version"].asString();
+		mIsDownloading = true;
+		setState(LLUpdaterService::DOWNLOADING);
+		BOOL required = content["required"].asBoolean();
+		LLURI url(content["url"].asString());
+		std::string more_info = content["more_info"].asString();
+		LL_DEBUGS("UpdaterService")
+			<< "Starting download of "
+			<< ( required ? "required" : "optional" ) << " update"
+			<< " to channel '" << mNewChannel << "' version " << mNewVersion
+			<< " more info '" << more_info << "'"
+			<< LL_ENDL;
+		mUpdateDownloader.download(url, content["hash"].asString(), mNewChannel, mNewVersion, more_info, required);
+	}
 }
 
 void LLUpdaterServiceImpl::downloadComplete(LLSD const & data) 
@@ -413,9 +456,19 @@ void LLUpdaterServiceImpl::downloadComplete(LLSD const & data)
 	payload["type"] = LLSD(LLUpdaterService::DOWNLOAD_COMPLETE);
 	payload["required"] = data["required"];
 	payload["version"] = mNewVersion;
+	payload["channel"] = mNewChannel;
+	payload["info_url"] = data["info_url"];
 	event["payload"] = payload;
+	LL_DEBUGS("UpdaterService")
+		<< "Download complete "
+		<< ( data["required"].asBoolean() ? "required" : "optional" )
+		<< " channel " << mNewChannel
+		<< " version " << mNewVersion
+		<< " info " << data["info_url"].asString()
+		<< LL_ENDL;
+
 	LLEventPumps::instance().obtain("mainlooprepeater").post(event);
-	
+
 	setState(LLUpdaterService::TERMINAL);
 }
 
@@ -489,15 +542,18 @@ bool LLUpdaterServiceImpl::onMainLoop(LLSD const & event)
 		// Check for failed install.
 		if(LLFile::isfile(ll_install_failed_marker_path()))
 		{
+			LL_DEBUGS("UpdaterService") << "found marker " << ll_install_failed_marker_path() << LL_ENDL;;
 			int requiredValue = 0; 
 			{
 				llifstream stream(ll_install_failed_marker_path());
 				stream >> requiredValue;
-				if(stream.fail()) requiredValue = 0;
+				if(stream.fail())
+				{
+					requiredValue = 0;
+				}
 			}
 			// TODO: notify the user.
-			llinfos << "found marker " << ll_install_failed_marker_path() << llendl;
-			llinfos << "last install attempt failed" << llendl;
+			LL_WARNS("UpdaterService") << "last install attempt failed" << LL_ENDL;;
 			LLFile::remove(ll_install_failed_marker_path());
 			
 			LLSD event;
@@ -509,7 +565,7 @@ bool LLUpdaterServiceImpl::onMainLoop(LLSD const & event)
 		}
 		else
 		{
-			mUpdateChecker.checkVersion(mProtocolVersion, mUrl, mPath, mChannel, mVersion);
+			mUpdateChecker.checkVersion(mUrl, mPath, mChannel, mVersion, mPlatform, mPlatformVersion, mUniqueId, mWillingToTest);
 			setState(LLUpdaterService::CHECKING_FOR_UPDATE);
 		}
 	} 
@@ -554,13 +610,17 @@ LLUpdaterService::~LLUpdaterService()
 {
 }
 
-void LLUpdaterService::initialize(const std::string& protocol_version,
-								 const std::string& url, 
-								 const std::string& path,
-								 const std::string& channel,
-								 const std::string& version)
+void LLUpdaterService::initialize(const std::string& url, 
+								  const std::string& path,
+								  const std::string& channel,
+								  const std::string& version,
+								  const std::string& platform,
+								  const std::string& platform_version,
+								  const unsigned char uniqueid[MD5HEX_STR_SIZE],
+								  const bool&         willing_to_test
+)
 {
-	mImpl->initialize(protocol_version, url, path, channel, version);
+	mImpl->initialize(url, path, channel, version, platform, platform_version, uniqueid, willing_to_test);
 }
 
 void LLUpdaterService::setCheckPeriod(unsigned int seconds)
@@ -609,10 +669,10 @@ std::string const & ll_get_version(void) {
 	
 	if (version.empty()) {
 		std::ostringstream stream;
-		stream << LL_VERSION_MAJOR << "."
-		<< LL_VERSION_MINOR << "."
-		<< LL_VERSION_PATCH << "."
-		<< LL_VERSION_BUILD;
+		stream << LL_VIEWER_VERSION_MAJOR << "."
+			   << LL_VIEWER_VERSION_MINOR << "."
+			   << LL_VIEWER_VERSION_PATCH << "."
+			   << LL_VIEWER_VERSION_BUILD;
 		version = stream.str();
 	}
 	
diff --git a/indra/viewer_components/updater/llupdaterservice.h b/indra/viewer_components/updater/llupdaterservice.h
index 450f19c1c6..982f99b861 100644..100755
--- a/indra/viewer_components/updater/llupdaterservice.h
+++ b/indra/viewer_components/updater/llupdaterservice.h
@@ -28,6 +28,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
+#include "llhasheduniqueid.h"
 
 class LLUpdaterServiceImpl;
 
@@ -70,11 +71,15 @@ public:
 	LLUpdaterService();
 	~LLUpdaterService();
 
-	void initialize(const std::string& protocol_version,
-				    const std::string& url, 
-				    const std::string& path,
-				    const std::string& channel,
-				    const std::string& version);
+	void initialize(const std::string& 	url, 
+				    const std::string& 	path,
+				    const std::string& 	channel,
+				    const std::string& 	version,
+					const std::string&  platform,
+					const std::string&  platform_version,
+					const unsigned char uniqueid[MD5HEX_STR_SIZE],
+					const bool&         willing_to_test
+					);
 
 	void setCheckPeriod(unsigned int seconds);
 	void setBandwidthLimit(U64 bytesPerSecond);
diff --git a/indra/viewer_components/updater/scripts/darwin/janitor.py b/indra/viewer_components/updater/scripts/darwin/janitor.py
new file mode 100644
index 0000000000..cdf33df731
--- /dev/null
+++ b/indra/viewer_components/updater/scripts/darwin/janitor.py
@@ -0,0 +1,133 @@
+#!/usr/bin/python
+"""\
+@file   janitor.py
+@author Nat Goodspeed
+@date   2011-09-14
+@brief  Janitor class to clean up arbitrary resources
+
+2013-01-04 cloned from vita because it's exactly what update_install.py needs.
+
+$LicenseInfo:firstyear=2011&license=viewerlgpl$
+Copyright (c) 2011, Linden Research, Inc.
+$/LicenseInfo$
+"""
+
+import sys
+import functools
+import itertools
+
+class Janitor(object):
+    """
+    Usage:
+
+    Basic:
+    self.janitor = Janitor(sys.stdout) # report cleanup actions on stdout
+    ...
+    self.janitor.later(os.remove, some_temp_file)
+    self.janitor.later(os.remove, some_other_file)
+    ...
+    self.janitor.cleanup()          # perform cleanup actions
+
+    Context Manager:
+    with Janitor() as janitor:      # clean up quietly
+        ...
+        janitor.later(shutil.rmtree, some_temp_directory)
+        ...
+    # exiting 'with' block performs cleanup
+
+    Test Class:
+    class TestMySoftware(unittest.TestCase, Janitor):
+        def __init__(self):
+            Janitor.__init__(self)  # quiet cleanup
+            ...
+
+        def setUp(self):
+            ...
+            self.later(os.rename, saved_file, original_location)
+            ...
+
+        def tearDown(self):
+            Janitor.tearDown(self)  # calls cleanup()
+            ...
+            # Or, if you have no other tearDown() logic for
+            # TestMySoftware, you can omit the TestMySoftware.tearDown()
+            # def entirely and let it inherit Janitor.tearDown().
+    """
+    def __init__(self, stream=None):
+        """
+        If you pass stream= (e.g.) sys.stdout or sys.stderr, Janitor will
+        report its cleanup operations as it performs them. If you don't, it
+        will perform them quietly -- unless one or more of the actions throws
+        an exception, in which case you'll get output on stderr.
+        """
+        self.stream   = stream
+        self.cleanups = []
+
+    def later(self, func, *args, **kwds):
+        """
+        Pass the callable you want to call at cleanup() time, plus any
+        positional or keyword args you want to pass it.
+        """
+        # Get a name string for 'func'
+        try:
+            # A free function has a __name__
+            name = func.__name__
+        except AttributeError:
+            try:
+                # A class object (even builtin objects like ints!) support
+                # __class__.__name__
+                name = func.__class__.__name__
+            except AttributeError:
+                # Shrug! Just use repr() to get a string describing this func.
+                name = repr(func)
+        # Construct a description of this operation in Python syntax from
+        # args, kwds.
+        desc = "%s(%s)" % \
+               (name, ", ".join(itertools.chain((repr(a) for a in args),
+                                                ("%s=%r" % (k, v) for (k, v) in kwds.iteritems()))))
+        # Use functools.partial() to bind passed args and keywords to the
+        # passed func so we get a nullary callable that does what caller
+        # wants.
+        bound = functools.partial(func, *args, **kwds)
+        self.cleanups.append((desc, bound))
+
+    def cleanup(self):
+        """
+        Perform all the actions saved with later() calls.
+        """
+        # Typically one allocates resource A, then allocates resource B that
+        # depends on it. In such a scenario it's appropriate to delete B
+        # before A -- so perform cleanup actions in reverse order. (This is
+        # the same strategy used by atexit().)
+        while self.cleanups:
+            # Until our list is empty, pop the last pair.
+            desc, bound = self.cleanups.pop(-1)
+
+            # If requested, report the action.
+            if self.stream is not None:
+                print >>self.stream, desc
+
+            try:
+                # Call the bound callable
+                bound()
+            except Exception, err:
+                # This is cleanup. Report the problem but continue.
+                print >>(self.stream or sys.stderr), "Calling %s\nraised  %s: %s" % \
+                      (desc, err.__class__.__name__, err)
+
+    def tearDown(self):
+        """
+        If a unittest.TestCase subclass (or a nose test class) adds Janitor as
+        one of its base classes, and has no other tearDown() logic, let it
+        inherit Janitor.tearDown().
+        """
+        self.cleanup()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, tb):
+        # Perform cleanup no matter how we exit this 'with' statement
+        self.cleanup()
+        # Propagate any exception from the 'with' statement, don't swallow it
+        return False
diff --git a/indra/viewer_components/updater/scripts/darwin/messageframe.py b/indra/viewer_components/updater/scripts/darwin/messageframe.py
new file mode 100644
index 0000000000..8f58848882
--- /dev/null
+++ b/indra/viewer_components/updater/scripts/darwin/messageframe.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python
+"""\
+@file   messageframe.py
+@author Nat Goodspeed
+@date   2013-01-03
+@brief  Define MessageFrame class for popping up messages from a command-line
+        script.
+
+$LicenseInfo:firstyear=2013&license=viewerlgpl$
+Copyright (c) 2013, Linden Research, Inc.
+$/LicenseInfo$
+"""
+
+import Tkinter as tk
+import os
+
+# Tricky way to obtain the filename of the main script (default title string)
+import __main__
+
+# This class is intended for displaying messages from a command-line script.
+# Getting the base class right took a bit of trial and error.
+# If you derive from tk.Frame, the destroy() method doesn't actually close it.
+# If you derive from tk.Toplevel, it pops up a separate Tk frame too. destroy()
+# closes this frame, but not that one.
+# Deriving from tk.Tk appears to do the right thing.
+class MessageFrame(tk.Tk):
+    def __init__(self, text="", title=os.path.splitext(os.path.basename(__main__.__file__))[0],
+                 width=320, height=120):
+        tk.Tk.__init__(self)
+        self.grid()
+        self.title(title)
+        self.var = tk.StringVar()
+        self.var.set(text)
+        self.msg = tk.Label(self, textvariable=self.var)
+        self.msg.grid()
+        # from http://stackoverflow.com/questions/3352918/how-to-center-a-window-on-the-screen-in-tkinter :
+        self.update_idletasks()
+
+        # The constants below are to adjust for typical overhead from the
+        # frame borders.
+        xp = (self.winfo_screenwidth()  / 2) - (width  / 2) - 8
+        yp = (self.winfo_screenheight() / 2) - (height / 2) - 20
+        self.geometry('{0}x{1}+{2}+{3}'.format(width, height, xp, yp))
+        self.update()
+
+    def set(self, text):
+        self.var.set(text)
+        self.update()
+
+if __name__ == "__main__":
+    # When run as a script, just test the MessageFrame.
+    import sys
+    import time
+
+    frame = MessageFrame("something in the way she moves....")
+    time.sleep(3)
+    frame.set("smaller")
+    time.sleep(3)
+    frame.set("""this has
+several
+lines""")
+    time.sleep(3)
+    frame.destroy()
+    print "Destroyed!"
+    sys.stdout.flush()
+    time.sleep(3)
diff --git a/indra/viewer_components/updater/scripts/darwin/update_install b/indra/viewer_components/updater/scripts/darwin/update_install
deleted file mode 100644
index e7f36dc5a3..0000000000
--- a/indra/viewer_components/updater/scripts/darwin/update_install
+++ /dev/null
@@ -1,10 +0,0 @@
-#! /bin/bash
-
-#
-# The first argument contains the path to the installer app.  The second a path
-# to a marker file which should be created if the installer fails.q
-#
-
-cd "$(dirname "$0")"
-(../Resources/mac-updater.app/Contents/MacOS/mac-updater -dmg "$1" -name "Second Life Viewer"; if [ $? -ne 0 ]; then echo $3 >> "$2"; fi;) &
-exit 0
diff --git a/indra/viewer_components/updater/scripts/darwin/update_install.py b/indra/viewer_components/updater/scripts/darwin/update_install.py
new file mode 100755
index 0000000000..2fc6fcdb29
--- /dev/null
+++ b/indra/viewer_components/updater/scripts/darwin/update_install.py
@@ -0,0 +1,373 @@
+#!/usr/bin/python
+"""\
+@file   update_install.py
+@author Nat Goodspeed
+@date   2012-12-20
+@brief  Update the containing Second Life application bundle to the version in
+        the specified disk image file.
+
+        This Python implementation is derived from the previous mac-updater
+        application, a funky mix of C++, classic C and Objective-C.
+
+$LicenseInfo:firstyear=2012&license=viewerlgpl$
+Copyright (c) 2012, Linden Research, Inc.
+$/LicenseInfo$
+"""
+
+import os
+import sys
+import cgitb
+import errno
+import glob
+import plistlib
+import re
+import shutil
+import subprocess
+import tempfile
+import time
+from janitor import Janitor
+from messageframe import MessageFrame
+import Tkinter, tkMessageBox
+
+TITLE = "Second Life Viewer Updater"
+# Magic bundle identifier used by all Second Life viewer bundles
+BUNDLE_IDENTIFIER = "com.secondlife.indra.viewer"
+
+# Global handle to the MessageFrame so we can update message
+FRAME = None
+# Global handle to logfile, once it's open
+LOGF  = None
+
+# ****************************************************************************
+#   Logging and messaging
+#
+#   This script is normally run implicitly by the old viewer to update to the
+#   new viewer. Its UI consists of a MessageFrame and possibly a Tk error box.
+#   Log details to updater.log -- especially uncaught exceptions!
+# ****************************************************************************
+def log(message):
+    """write message only to LOGF (also called by status() and fail())"""
+    # If we don't even have LOGF open yet, at least write to Console log
+    logf = LOGF or sys.stderr
+    logf.writelines((time.strftime("%Y-%m-%dT%H:%M:%SZ ", time.gmtime()), message, '\n'))
+    logf.flush()
+
+def status(message):
+    """display and log normal progress message"""
+    log(message)
+
+    global FRAME
+    if not FRAME:
+        FRAME = MessageFrame(message, TITLE)
+    else:
+        FRAME.set(message)
+
+def fail(message):
+    """log message, produce error box, then terminate with nonzero rc"""
+    log(message)
+
+    # If we haven't yet called status() (we don't yet have a FRAME), perform a
+    # bit of trickery to bypass the spurious "main window" that Tkinter would
+    # otherwise pop up if the first call is showerror().
+    if not FRAME:
+        root = Tkinter.Tk()
+        root.withdraw()
+
+    # If we do have a LOGF available, mention it in the error box.
+    if LOGF:
+        message = "%s\n(Updater log in %s)" % (message, LOGF.name)
+
+    # We explicitly specify the WARNING icon because, at least on the Tkinter
+    # bundled with the system-default Python 2.7 on Mac OS X 10.7.4, the
+    # ERROR, QUESTION and INFO icons are all the silly Tk rocket ship. At
+    # least WARNING has an exclamation in a yellow triangle, even though
+    # overlaid by a smaller image of the rocket ship.
+    tkMessageBox.showerror(TITLE,
+"""An error occurred while updating Second Life:
+%s
+Please download the latest viewer from www.secondlife.com.""" % message,
+                           icon=tkMessageBox.WARNING)
+    sys.exit(1)
+
+def exception(err):
+    """call fail() with an exception instance"""
+    fail("%s exception: %s" % (err.__class__.__name__, str(err)))
+
+def excepthook(type, value, traceback):
+    """
+    Store this hook function into sys.excepthook until we have a logfile.
+    """
+    # At least in older Python versions, it could be tricky to produce a
+    # string from 'type' and 'value'. For instance, an OSError exception would
+    # pass type=OSError and value=some_tuple. Empirically, this funky
+    # expression seems to work.
+    exception(type(*value))
+sys.excepthook = excepthook
+
+class ExceptHook(object):
+    """
+    Store an instance of this class into sys.excepthook once we have a logfile
+    open.
+    """
+    def __init__(self, logfile):
+        # There's no magic to the cgitb.enable() function -- it merely stores
+        # an instance of cgitb.Hook into sys.excepthook, passing enable()'s
+        # params into Hook.__init__(). Sadly, enable() doesn't forward all its
+        # params using (*args, **kwds) syntax -- another story. But the point
+        # is that all the goodness is in the cgitb.Hook class. Capture an
+        # instance.
+        self.hook = cgitb.Hook(file=logfile, format="text")
+
+    def __call__(self, type, value, traceback):
+        # produce nice text traceback to logfile
+        self.hook(type, value, traceback)
+        # Now display an error box.
+        excepthook(type, value, traceback)
+
+def write_marker(markerfile, markertext):
+    log("writing %r to %s" % (markertext, markerfile))
+    try:
+        with open(markerfile, "w") as markerf:
+            markerf.write(markertext)
+    except IOError, err:
+        # write_marker() is invoked by fail(), and fail() is invoked by other
+        # error-handling functions. If we try to invoke any of those, we'll
+        # get infinite recursion. If for any reason we can't write markerfile,
+        # try to log it -- otherwise shrug.
+        log("%s exception: %s" % (err.__class__.__name__, err))
+
+# ****************************************************************************
+#   Main script logic
+# ****************************************************************************
+def main(dmgfile, markerfile, markertext):
+    # Should we fail, we're supposed to write 'markertext' to 'markerfile'.
+    # Wrap the fail() function so we do that.
+    global fail
+    oldfail = fail
+    def fail(message):
+        write_marker(markerfile, markertext)
+        oldfail(message)
+
+    try:
+        # Starting with the Cocoafied viewer, we'll find viewer logs in
+        # ~/Library/Application Support/$CFBundleIdentifier/logs rather than in
+        # ~/Library/Application Support/SecondLife/logs as before. This could be
+        # obnoxious -- but we Happen To Know that markerfile is a path specified
+        # within the viewer's logs directory. Use that.
+        logsdir = os.path.dirname(markerfile)
+
+        # Move the old updater.log file out of the way
+        logname = os.path.join(logsdir, "updater.log")
+        try:
+            os.rename(logname, logname + ".old")
+        except OSError, err:
+            # Nonexistence is okay. Anything else, not so much.
+            if err.errno != errno.ENOENT:
+                raise
+
+        # Open new updater.log.
+        global LOGF
+        LOGF = open(logname, "w")
+
+        # Now that LOGF is in fact open for business, use it to log any further
+        # uncaught exceptions.
+        sys.excepthook = ExceptHook(LOGF)
+
+        # log how this script was invoked
+        log(' '.join(repr(arg) for arg in sys.argv))
+
+        # prepare for other cleanup
+        with Janitor(LOGF) as janitor:
+
+            # Try to derive the name of the running viewer app bundle from our
+            # own pathname. (Hopefully the old viewer won't copy this script
+            # to a temp dir before running!)
+            # Somewhat peculiarly, this script is currently packaged in
+            # Appname.app/Contents/MacOS with the viewer executable. But even
+            # if we decide to move it to Appname.app/Contents/Resources, we'll
+            # still find Appname.app two levels up from dirname(__file__).
+            appdir = os.path.abspath(os.path.join(os.path.dirname(__file__),
+                                                  os.pardir, os.pardir))
+            if not appdir.endswith(".app"):
+                # This can happen if either this script has been copied before
+                # being executed, or if it's in an unexpected place in the app
+                # bundle.
+                fail(appdir + " is not an application directory")
+
+            # We need to install into appdir's parent directory -- can we?
+            installdir = os.path.abspath(os.path.join(appdir, os.pardir))
+            if not os.access(installdir, os.W_OK):
+                fail("Can't modify " + installdir)
+
+            # invent a temporary directory
+            tempdir = tempfile.mkdtemp()
+            log("created " + tempdir)
+            # clean it up when we leave
+            janitor.later(shutil.rmtree, tempdir)
+
+            status("Mounting image...")
+
+            mntdir = os.path.join(tempdir, "mnt")
+            log("mkdir " + mntdir)
+            os.mkdir(mntdir)
+            command = ["hdiutil", "attach", dmgfile, "-mountpoint", mntdir]
+            log(' '.join(command))
+            # Instantiating subprocess.Popen launches a child process with the
+            # specified command line. stdout=PIPE passes a pipe to its stdout.
+            hdiutil = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=LOGF)
+            # Popen.communicate() reads that pipe until the child process
+            # terminates, returning (stdout, stderr) output. Select just stdout.
+            hdiutil_out = hdiutil.communicate()[0]
+            if hdiutil.returncode != 0:
+                fail("Couldn't mount " + dmgfile)
+            # hdiutil should report the devnode. Find that.
+            found = re.search(r"/dev/[^ ]*\b", hdiutil_out)
+            if not found:
+                # If we don't spot the devnode, log it and continue -- we only
+                # use it to detach it. Don't fail the whole update if we can't
+                # clean up properly.
+                log("Couldn't spot devnode in hdiutil output:\n" + hdiutil_out)
+            else:
+                # If we do spot the devnode, detach it when done.
+                janitor.later(subprocess.call, ["hdiutil", "detach", found.group(0)],
+                              stdout=LOGF, stderr=subprocess.STDOUT)
+
+            status("Searching for app bundle...")
+
+            for candidate in glob.glob(os.path.join(mntdir, "*.app")):
+                log("Considering " + candidate)
+                try:
+                    # By convention, a valid Mac app bundle has a
+                    # Contents/Info.plist file containing at least
+                    # CFBundleIdentifier.
+                    CFBundleIdentifier = \
+                        plistlib.readPlist(os.path.join(candidate, "Contents",
+                                                        "Info.plist"))["CFBundleIdentifier"]
+                except Exception, err:
+                    # might be IOError, xml.parsers.expat.ExpatError, KeyError
+                    # Any of these means it's not a valid app bundle. Instead
+                    # of aborting, just skip this candidate and continue.
+                    log("%s not a valid app bundle: %s: %s" %
+                        (candidate, err.__class__.__name__, err))
+                    continue
+
+                if CFBundleIdentifier == BUNDLE_IDENTIFIER:
+                    break
+
+                log("unrecognized CFBundleIdentifier: " + CFBundleIdentifier)
+
+            else:
+                fail("Could not find Second Life viewer in " + dmgfile)
+
+            # Here 'candidate' is the new viewer to install
+            log("Found " + candidate)
+
+            # This logic was changed to make Mac updates behave more like
+            # Windows. Most of the time, the user doesn't change the name of
+            # the app bundle on our .dmg installer (e.g. "Second Life Beta
+            # Viewer.app"). Most of the time, the version manager directs a
+            # given viewer to update to another .dmg containing an app bundle
+            # with THE SAME name. In that case, everything behaves as usual.
+
+            # The case that was changed is when the version manager offers (or
+            # mandates) an update to a .dmg containing a different app bundle
+            # name. This can happen, for instance, to a user who's downloaded
+            # a "project beta" viewer, and the project subsequently publishes
+            # a Release Candidate viewer. Say the project beta's app bundle
+            # name is something like "Second Life Beta Neato.app". Anyone
+            # launching that viewer will be offered an update to the
+            # corresponding Release Candidate viewer -- which will be built as
+            # a release viewer, with app bundle name "Second Life Viewer.app".
+
+            # On Windows, we run the NSIS installer, which will update/replace
+            # the embedded install directory name, e.g. Second Life Viewer.
+            # But the Mac installer used to locate the app bundle name in the
+            # mounted .dmg file, then ignore that name, copying its contents
+            # into the app bundle directory of the running viewer. That is,
+            # we'd install the Release Candidate from the .dmg's "Second
+            # Life.app" into "/Applications/Second Life Beta Neato.app". This
+            # is undesired behavior.
+
+            # Instead, having found the app bundle name on the mounted .dmg,
+            # we try to install that app bundle name into the parent directory
+            # of the running app bundle.
+
+            # Are we installing a different app bundle name? If so, call it
+            # out, both in the log and for the user -- this is an odd case.
+            # (Presumably they've already agreed to a similar notification in
+            # the viewer before the viewer launched this script, but still.)
+            bundlename = os.path.basename(candidate)
+            if os.path.basename(appdir) == bundlename:
+                # updating the running app bundle, which we KNOW exists
+                appexists = True
+            else:
+                # installing some other app bundle
+                newapp = os.path.join(installdir, bundlename)
+                appexists = os.path.exists(newapp)
+                message = "Note: %s %s %s" % \
+                          (appdir, "updating" if appexists else "installing new", newapp)
+                status(message)
+                # okay, we have no further need of the name of the running app
+                # bundle.
+                appdir = newapp
+
+            status("Preparing to copy files...")
+
+            if appexists:
+                # move old viewer to temp location in case copy from .dmg fails
+                aside = os.path.join(tempdir, os.path.basename(appdir))
+                log("mv %r %r" % (appdir, aside))
+                # Use shutil.move() instead of os.rename(). move() first tries
+                # os.rename(), but falls back to shutil.copytree() if the dest is
+                # on a different filesystem.
+                shutil.move(appdir, aside)
+
+            status("Copying files...")
+
+            # shutil.copytree()'s target must not already exist. But we just
+            # moved appdir out of the way.
+            log("cp -p %r %r" % (candidate, appdir))
+            try:
+                # The viewer app bundle does include internal symlinks. Keep them
+                # as symlinks.
+                shutil.copytree(candidate, appdir, symlinks=True)
+            except Exception, err:
+                # copy failed -- try to restore previous viewer before crumping
+                type, value, traceback = sys.exc_info()
+                if appexists:
+                    log("exception response: mv %r %r" % (aside, appdir))
+                    shutil.move(aside, appdir)
+                # let our previously-set sys.excepthook handle this
+                raise type, value, traceback
+
+            status("Cleaning up...")
+
+            log("touch " + appdir)
+            os.utime(appdir, None)      # set to current time
+
+            command = ["open", appdir]
+            log(' '.join(command))
+            subprocess.check_call(command, stdout=LOGF, stderr=subprocess.STDOUT)
+
+    except Exception, err:
+        # Because we carefully set sys.excepthook -- and even modify it to log
+        # the problem once we have our log file open -- you might think we
+        # could just let exceptions propagate. But when we do that, on
+        # exception in this block, we FIRST restore the no-side-effects fail()
+        # and THEN implicitly call sys.excepthook(), which calls the (no-side-
+        # effects) fail(). Explicitly call sys.excepthook() BEFORE restoring
+        # fail(). Only then do we get the enriched fail() behavior.
+        sys.excepthook(*sys.exc_info())
+
+    finally:
+        # When we leave main() -- for whatever reason -- reset fail() the way
+        # it was before, because the bound markerfile, markertext params
+        # passed to this main() call are no longer applicable.
+        fail = oldfail
+
+if __name__ == "__main__":
+    # We expect this script to be invoked with:
+    # - the pathname to the .dmg we intend to install;
+    # - the pathname to an update-error marker file to create on failure;
+    # - the content to write into the marker file.
+    main(*sys.argv[1:])
diff --git a/indra/viewer_components/updater/scripts/linux/update_install b/indra/viewer_components/updater/scripts/linux/update_install
index a9df9042fd..a9df9042fd 100644..100755
--- a/indra/viewer_components/updater/scripts/linux/update_install
+++ b/indra/viewer_components/updater/scripts/linux/update_install
diff --git a/indra/viewer_components/updater/tests/llupdaterservice_test.cpp b/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
index a49bc4161e..4812272ebc 100644..100755
--- a/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
+++ b/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
@@ -44,11 +44,17 @@
 *****************************************************************************/
 LLUpdateChecker::LLUpdateChecker(LLUpdateChecker::Client & client)
 {}
-void LLUpdateChecker::checkVersion(std::string const & protocolVersion, std::string const & hostUrl, 
-								  std::string const & servicePath, std::string channel, std::string version)
+void LLUpdateChecker::checkVersion(std::string const & hostUrl, 
+								   std::string const & servicePath,
+								   std::string const & channel,
+								   std::string const & version,
+								   std::string const & platform,
+								   std::string const & platform_version,
+								   unsigned char       uniqueid[MD5HEX_STR_SIZE],
+								   bool                willing_to_test)
 {}
 LLUpdateDownloader::LLUpdateDownloader(Client & ) {}
-void LLUpdateDownloader::download(LLURI const & , std::string const &, std::string const &, bool){}
+void LLUpdateDownloader::download(LLURI const & , std::string const &, std::string const &, std::string const &, std::string const &, bool){}
 
 class LLDir_Mock : public LLDir
 {
@@ -83,6 +89,7 @@ std::string LLDir::getSkinFolder() const { return "default"; }
 std::string LLDir::getLanguage() const { return "en"; }
 bool LLDir::setCacheDir(const std::string &path){ return true; }
 void LLDir::dumpCurrentDirectories() {}
+void LLDir::updatePerAccountChatLogsDir() {}
 
 std::string LLDir::getExpandedFilename(ELLPath location, 
 									   const std::string &filename) const 
@@ -171,9 +178,11 @@ namespace tut
 		bool got_usage_error = false;
 		try
 		{
-			updater.initialize("1.0",test_url, "update" ,test_channel, test_version);
+			unsigned char id1[MD5HEX_STR_SIZE] = "11111111111111111111111111111111";
+			updater.initialize(test_url, "update" ,test_channel, test_version, "win", "1.2.3", id1, true);
 			updater.startChecking();
-			updater.initialize("1.0", "other_url", "update", test_channel, test_version);
+			unsigned char id2[MD5HEX_STR_SIZE] = "22222222222222222222222222222222";
+			updater.initialize("other_url", "update", test_channel, test_version, "win", "4.5.6", id2, true);
 		}
 		catch(LLUpdaterService::UsageError)
 		{
@@ -187,7 +196,8 @@ namespace tut
     {
         DEBUG;
 		LLUpdaterService updater;
-		updater.initialize("1.0", test_url, "update", test_channel, test_version);
+		unsigned char id[MD5HEX_STR_SIZE] = "33333333333333333333333333333333";
+		updater.initialize(test_url, "update", test_channel, test_version, "win", "7.8.9", id, true);
 		updater.startChecking();
 		ensure(updater.isChecking());
 		updater.stopChecking();