private static int GetServiceProcessId(SafeServiceHandle scm, string name)
{
using (SafeServiceHandle service = Win32NativeMethods.OpenService(scm, name, ServiceAccessRights.QueryStatus)) {
if (service.IsInvalid)
{
throw new SafeWin32Exception();
}
return(QueryStatus(service).dwProcessId);
}
}
private static ServiceInformation GetServiceSecurityInformation(SafeServiceHandle scm, string name)
{
using (SafeServiceHandle service = Win32NativeMethods.OpenService(scm, name, ServiceAccessRights.QueryConfig | ServiceAccessRights.ReadControl))
{
if (service.IsInvalid)
{
throw new SafeWin32Exception();
}
return(new ServiceInformation(name, GetServiceSecurityDescriptor(service), GetTriggersForService(service)));
}
}
private static NtResult <ServiceInformation> GetServiceSecurityInformation(SafeServiceHandle scm, string name, bool throw_on_error)
{
using (SafeServiceHandle service = Win32NativeMethods.OpenService(scm, name,
ServiceAccessRights.QueryConfig | ServiceAccessRights.ReadControl))
{
if (service.IsInvalid)
{
return(Win32Utils.GetLastWin32Error().CreateResultFromDosError <ServiceInformation>(throw_on_error));
}
return(new ServiceInformation(name, GetServiceSecurityDescriptor(service, "service"),
GetTriggersForService(service), GetServiceSidType(service),
GetServiceLaunchProtectedType(service), GetServiceRequiredPrivileges(service),
QueryConfig(service, false).GetResultOrDefault()).CreateResult());
}
}
private static NtResult <SafeServiceHandle> OpenService(string name, ServiceAccessRights desired_access, bool throw_on_error)
{
using (SafeServiceHandle scm = Win32NativeMethods.OpenSCManager(null, null,
ServiceControlManagerAccessRights.Connect)) {
if (scm.IsInvalid)
{
return(Win32Utils.GetLastWin32Error().CreateResultFromDosError <SafeServiceHandle>(throw_on_error));
}
using (var service = Win32NativeMethods.OpenService(scm, name, desired_access)) {
if (service.IsInvalid)
{
return(Win32Utils.GetLastWin32Error().CreateResultFromDosError <SafeServiceHandle>(throw_on_error));
}
return(service.Detach().CreateResult());
}
}
}
/// <summary>
/// Get a running service by name.
/// </summary>
/// <param name="name">The name of the service.</param>
/// <returns>The running service.</returns>
/// <remarks>This will return active and non-active services as well as drivers.</remarks>
public static RunningService GetService(string name)
{
using (SafeServiceHandle scm = Win32NativeMethods.OpenSCManager(null, null,
ServiceControlManagerAccessRights.Connect)) {
if (scm.IsInvalid)
{
throw new SafeWin32Exception();
}
using (var service = Win32NativeMethods.OpenService(scm, name,
ServiceAccessRights.QueryConfig | ServiceAccessRights.QueryStatus)) {
if (service.IsInvalid)
{
throw new SafeWin32Exception();
}
return(new RunningService(name, GetServiceDisplayName(service), QueryStatus(service)));
}
}
}
