private static ServiceSecurityInformation GetServiceSecurityInformation(SafeServiceHandle scm, string name)
{
using (SafeServiceHandle service = OpenService(scm, name, ServiceAccessRights.QueryConfig | ServiceAccessRights.ReadControl))
{
if (service.IsInvalid)
{
throw new Win32Exception();
}
return(new ServiceSecurityInformation(name, GetServiceSecurityDescriptor(service), GetTriggersForService(service)));
}
}
static SecurityDescriptor GetServiceSecurityDescriptor(SafeServiceHandle handle)
{
int required = 0;
byte[] sd = new byte[8192];
if (!QueryServiceObjectSecurity(handle, SecurityInformation.AllBasic, sd, sd.Length, out required))
{
throw new Win32Exception();
}
return(new SecurityDescriptor(sd));
}
public static ServiceSecurityInformation GetServiceSecurityInformation(string name)
{
using (SafeServiceHandle scm = OpenSCManager(null, null,
ServiceControlManagerAccessRights.Connect | ServiceControlManagerAccessRights.ReadControl))
{
if (scm.IsInvalid)
{
throw new Win32Exception();
}
return(GetServiceSecurityInformation(scm, name));
}
}
static extern bool QueryServiceObjectSecurity(SafeServiceHandle hService,
SecurityInformation dwSecurityInformation,
[Out] byte[] lpSecurityDescriptor,
int cbBufSize,
out int pcbBytesNeeded);
static extern SafeServiceHandle OpenService(
SafeServiceHandle hSCManager,
string lpServiceName,
ServiceAccessRights dwDesiredAccess
);