/********************************************************************
WcaCaScriptWriteNumber() - writes a number to the ca script.
********************************************************************/
extern "C" HRESULT WIXAPI WcaCaScriptWriteNumber(
__in WCA_CASCRIPT_HANDLE hScript,
__in DWORD dwValue
)
{
HRESULT hr = S_OK;
WCHAR wzBuffer[13] = { 0 };
hr = ::StringCchPrintfW(wzBuffer, countof(wzBuffer), L"%u", dwValue);
ExitOnFailure(hr, "Failed to convert number into string.");
hr = WcaCaScriptWriteString(hScript, wzBuffer);
ExitOnFailure(hr, "Failed to write number to script.");
LExit:
return hr;
}
/******************************************************************
CaExecServiceConfig - entry point for ServiceConfig Custom Action.
NOTE: deferred CustomAction since it modifies the machine
NOTE: CustomActionData == wzServiceName\tfNewService\twzFirstFailureActionType\twzSecondFailureActionType\twzThirdFailureActionType\tdwResetPeriodInDays\tdwRestartServiceDelayInSeconds\twzProgramCommandLine\twzRebootMessage\twzServiceName\tfNewService\t...
*******************************************************************/
extern "C" UINT __stdcall ExecServiceConfig(
__in MSIHANDLE hInstall
)
{
//AssertSz(FALSE, "debug ExecServiceConfig");
HRESULT hr = S_OK;
DWORD er = 0;
LPWSTR pwzCustomActionData = NULL;
LPWSTR pwz = NULL;
LPWSTR pwzScriptKey = NULL;
WCA_CASCRIPT_HANDLE hRollbackScript = NULL;
LPWSTR pwzServiceName = NULL;
BOOL fNewService = FALSE;
LPWSTR pwzFirstFailureActionType = NULL;
LPWSTR pwzSecondFailureActionType = NULL;
LPWSTR pwzThirdFailureActionType = NULL;
LPWSTR pwzProgramCommandLine = NULL;
LPWSTR pwzRebootMessage = NULL;
DWORD dwResetPeriodInDays = 0;
DWORD dwRestartServiceDelayInSeconds = 0;
LPVOID lpMsgBuf = NULL;
SC_HANDLE hSCM = NULL;
SC_HANDLE hService = NULL;
DWORD dwRestartDelay = 0;
WCHAR wzActionName[32] = { 0 };
DWORD cbExistingServiceConfig = 0;
SERVICE_FAILURE_ACTIONSW* psfa = NULL;
// initialize
hr = WcaInitialize(hInstall, "ExecServiceConfig");
ExitOnFailure(hr, "failed to initialize");
// Open the Services Control Manager up front.
hSCM = ::OpenSCManagerW(NULL, NULL, SC_MANAGER_CONNECT);
if (NULL == hSCM)
{
er = ::GetLastError();
hr = HRESULT_FROM_WIN32(er);
#pragma prefast(push)
#pragma prefast(disable:25028)
::FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, er, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&lpMsgBuf, 0, NULL);
#pragma prefast(pop)
ExitOnFailure1(hr, "Failed to get handle to SCM. Error: %ls", (LPWSTR)lpMsgBuf);
}
// First, get the script key out of the CustomActionData and
// use that to create the rollback script for this action.
hr = WcaGetProperty( L"CustomActionData", &pwzCustomActionData);
ExitOnFailure(hr, "failed to get CustomActionData");
WcaLog(LOGMSG_TRACEONLY, "CustomActionData: %ls", pwzCustomActionData);
pwz = pwzCustomActionData;
hr = WcaReadStringFromCaData(&pwz, &pwzScriptKey);
if (!pwzScriptKey)
{
hr = E_UNEXPECTED;
ExitOnFailure(hr, "Failed due to unexpected CustomActionData passed.");
}
ExitOnFailure(hr, "Failed to read encoding key from CustomActionData.");
hr = WcaCaScriptCreate(WCA_ACTION_INSTALL, WCA_CASCRIPT_ROLLBACK, FALSE, pwzScriptKey, FALSE, &hRollbackScript);
ExitOnFailure(hr, "Failed to open rollback CustomAction script.");
// Next, loop through the rest of the CustomActionData, processing
// each service config row in turn.
while (pwz && *pwz)
{
hr = WcaReadStringFromCaData(&pwz, &pwzServiceName);
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&fNewService));
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadStringFromCaData(&pwz, &pwzFirstFailureActionType);
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadStringFromCaData(&pwz, &pwzSecondFailureActionType);
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadStringFromCaData(&pwz, &pwzThirdFailureActionType);
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&dwResetPeriodInDays));
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&dwRestartServiceDelayInSeconds));
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadStringFromCaData(&pwz, &pwzProgramCommandLine);
ExitOnFailure(hr, "failed to process CustomActionData");
hr = WcaReadStringFromCaData(&pwz, &pwzRebootMessage);
ExitOnFailure(hr, "failed to process CustomActionData");
WcaLog(LOGMSG_VERBOSE, "Configuring Service: %ls", pwzServiceName);
// Open the handle with all the permissions we might need:
// SERVICE_QUERY_CONFIG is needed for QueryServiceConfig2().
// SERVICE_CHANGE_CONFIG is needed for ChangeServiceConfig2().
// SERVICE_START is required in order to handle SC_ACTION_RESTART action.
hr = GetService(hSCM, pwzServiceName, SERVICE_QUERY_CONFIG | SERVICE_CHANGE_CONFIG | SERVICE_START, &hService);
ExitOnFailure1(hr, "Failed to get service: %ls", pwzServiceName);
// If we are configuring a service that existed on the machine, we need to
// read the existing service configuration and write it out to the rollback
// log so rollback can put it back if anything goes wrong.
if (!fNewService)
{
// First, read the existing service config.
if (!::QueryServiceConfig2W(hService, SERVICE_CONFIG_FAILURE_ACTIONS, NULL, 0, &cbExistingServiceConfig) && ERROR_INSUFFICIENT_BUFFER != ::GetLastError())
{
ExitWithLastError(hr, "Failed to get current service config info.");
}
psfa = static_cast<LPSERVICE_FAILURE_ACTIONSW>(MemAlloc(cbExistingServiceConfig, TRUE));
ExitOnNull(psfa, hr, E_OUTOFMEMORY, "failed to allocate memory for service failure actions.");
if (!::QueryServiceConfig2W(hService, SERVICE_CONFIG_FAILURE_ACTIONS, (LPBYTE)psfa, cbExistingServiceConfig, &cbExistingServiceConfig))
{
ExitOnLastError(hr, "failed to Query Service.");
}
// Build up rollback log so we can restore service state if necessary
hr = WcaCaScriptWriteString(hRollbackScript, pwzServiceName);
ExitOnFailure(hr, "Failed to add service name to Rollback Log");
// If this service struct is empty, fill in default values
if (3 > psfa->cActions)
{
hr = WcaCaScriptWriteString(hRollbackScript, c_wzActionTypeNone);
ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
hr = WcaCaScriptWriteString(hRollbackScript, c_wzActionTypeNone);
ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
hr = WcaCaScriptWriteString(hRollbackScript, c_wzActionTypeNone);
ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
}
else
{
// psfa actually had actions defined, so use the first three.
for (int i = 0; i < 3; ++i)
{
hr = GetSCActionTypeString(psfa->lpsaActions[i].Type, wzActionName, countof(wzActionName));
ExitOnFailure(hr, "failed to query SFA object");
if (SC_ACTION_RESTART == psfa->lpsaActions[i].Type)
{
dwRestartDelay = psfa->lpsaActions[i].Delay / 1000;
}
hr = WcaCaScriptWriteString(hRollbackScript, wzActionName);
ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
}
}
hr = WcaCaScriptWriteNumber(hRollbackScript, psfa->dwResetPeriod / (24 * 60 * 60));
ExitOnFailure(hr, "failed to add data to CustomActionData");
hr = WcaCaScriptWriteNumber(hRollbackScript, dwRestartDelay);
ExitOnFailure(hr, "failed to add data to CustomActionData");
// Handle the null cases.
if (!psfa->lpCommand)
{
psfa->lpCommand = L"";
}
hr = WcaCaScriptWriteString(hRollbackScript, psfa->lpCommand);
ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
// Handle the null cases.
if (!psfa->lpRebootMsg)
{
psfa->lpRebootMsg = L"";
}
hr = WcaCaScriptWriteString(hRollbackScript, psfa->lpRebootMsg);
ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
// Nudge the system to get all our rollback data written to disk.
WcaCaScriptFlush(hRollbackScript);
ReleaseNullMem(psfa);
}
hr = ConfigureService(hSCM, hService, pwzServiceName, dwRestartServiceDelayInSeconds, pwzFirstFailureActionType,
pwzSecondFailureActionType, pwzThirdFailureActionType, dwResetPeriodInDays, pwzRebootMessage, pwzProgramCommandLine);
ExitOnFailure1(hr, "Failed to configure service: %ls", pwzServiceName);
hr = WcaProgressMessage(COST_SERVICECONFIG, FALSE);
ExitOnFailure(hr, "failed to send progress message");
// Per-service cleanup
::CloseServiceHandle(hService);
hService = NULL;
dwResetPeriodInDays = 0;
dwRestartServiceDelayInSeconds = 0;
}
LExit:
WcaCaScriptClose(hRollbackScript, WCA_CASCRIPT_CLOSE_PRESERVE);
if (lpMsgBuf)
{
::LocalFree(lpMsgBuf);
}
if (hService)
{
::CloseServiceHandle(hService);
}
if (hSCM)
{
::CloseServiceHandle(hSCM);
}
ReleaseMem(psfa);
ReleaseStr(pwzRebootMessage);
ReleaseStr(pwzProgramCommandLine);
ReleaseStr(pwzThirdFailureActionType);
ReleaseStr(pwzSecondFailureActionType);
ReleaseStr(pwzFirstFailureActionType);
ReleaseStr(pwzServiceName);
ReleaseStr(pwzScriptKey);
ReleaseStr(pwzCustomActionData);
er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
return WcaFinalize(er);
}
