public byte[] ValidateEntryAssembly(byte[] blackboxData)
{
//Create permissions
var permissions = new PermissionSet(PermissionState.None);
permissions.AddPermission(new FileIOPermission(
FileIOPermissionAccess.Read | FileIOPermissionAccess.PathDiscovery,
Assembly.GetExecutingAssembly().Location));
permissions.AddPermission(new FileIOPermission(
FileIOPermissionAccess.AllAccess | FileIOPermissionAccess.PathDiscovery,
Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), Log.OutputFile)));
Log.Write("AssemblyLoader::ValidateEntryAssembly() - data length: " + ((blackboxData != null) ? blackboxData.Length : -1).ToString());
//Gather machine information
List <string> macs = null, edids = null, disks = null;
if (blackboxData != null)
{
Fingerprint.GatherAll(out macs, out edids, out disks);
}
try
{
permissions.PermitOnly();
Assembly assembly;
if (blackboxData != null)
{
assembly = Assembly.Load(blackboxData, null);
_latest = assembly;
}
else
{
assembly = _latest;
}
Log.Write("AssemblyLoader::ValidateEntryAssembly() loaded assembly: " + ((assembly != null) ? assembly.GetType().ToString() : "null"));
var validatorType = assembly.GetType("Allegiance.CommunitySecuritySystem.Blackbox.Validator");
var machineInfoType = assembly.GetType("Allegiance.CommunitySecuritySystem.Blackbox.MachineInformation");
var deviceInfoType = assembly.GetType("Allegiance.CommunitySecuritySystem.Blackbox.DeviceInfo");
var deviceTypeType = assembly.GetType("Allegiance.CommunitySecuritySystem.Blackbox.DeviceType");
var machineInfo = Activator.CreateInstance(machineInfoType);
Log.Write("AssemblyLoader::ValidateEntryAssembly() machine info created.");
//Fill MachineInfo
if (macs != null && edids != null && disks != null)
{
AppendDeviceInfo(macs, machineInfo, "Network", machineInfoType, deviceInfoType, deviceTypeType);
AppendDeviceInfo(edids, machineInfo, "EDID", machineInfoType, deviceInfoType, deviceTypeType);
AppendDeviceInfo(disks, machineInfo, "HardDisk", machineInfoType, deviceInfoType, deviceTypeType);
}
Log.Write("AssemblyLoader::ValidateEntryAssembly() calling checkin.");
//Perform initial check in
var method = validatorType.GetMethod("Check", BindingFlags.Static | BindingFlags.Public);
return(method.Invoke(null, new object[] { machineInfo }) as byte[]);
}
finally
{
//Revert permission changes
SecurityPermission.RevertPermitOnly();
Log.Write("AssemblyLoader::ValidateEntryAssembly() calling checkin.");
}
}