static public bool DeletePolicy(LoadedPolicyObject obj)
{
LoadedPolicyObjects.Remove(obj);
try
{
File.Delete(obj.Filename);
}
catch
{
}
try
{
File.Delete(obj.SignFilename);
}
catch
{
}
Debug.WriteLine(obj.Filename + " deleted");
Debug.WriteLine(obj.SignFilename + " deleted");
return(true);
}
static public bool InstallPolicy(PolicyObject data, Int64 Order)
{
if (data == null)
{
return(false);
}
data.Order = Order;
string PoliciesFolder = SystemInfos.ProgramData + "Policies\\";
string Filename = data.ID.ToString("X8") + "-" + Guid.NewGuid().ToString();
byte[] pol = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(data));
byte[] sign = ApplicationCertificate.Sign(pol);
if (sign == null)
{
FoxEventLog.WriteEventLog("Cannot sign policy for saving", System.Diagnostics.EventLogEntryType.Error);
return(false);
}
//do we have that policy loaded?... - overwrite that (and store it to an Update Dict)
if (LoadedPolicyObjects == null)
{
LoadedPolicyObjects = new List <LoadedPolicyObject>();
}
foreach (LoadedPolicyObject loadedpol in LoadedPolicyObjects)
{
if (loadedpol.PolicyObject.ID != data.ID)
{
continue;
}
if (UpdatePolicies == null)
{
UpdatePolicies = new Dictionary <LoadedPolicyObject, LoadedPolicyObject>();
}
UpdatePolicies.Add(
new LoadedPolicyObject()
{
Filename = loadedpol.Filename,
SignFilename = loadedpol.SignFilename,
PolicyObject = new PolicyObject()
{
Condition = loadedpol.PolicyObject.Condition,
DataAddtions1 = loadedpol.PolicyObject.DataAddtions1,
DataAddtions2 = loadedpol.PolicyObject.DataAddtions2,
DataAddtions3 = loadedpol.PolicyObject.DataAddtions3,
DataAddtions4 = loadedpol.PolicyObject.DataAddtions4,
DataAddtions5 = loadedpol.PolicyObject.DataAddtions5,
Data = loadedpol.PolicyObject.Data,
DT = loadedpol.PolicyObject.DT,
Enabled = loadedpol.PolicyObject.Enabled,
Grouping = loadedpol.PolicyObject.Grouping,
ID = loadedpol.PolicyObject.ID,
MachineID = loadedpol.PolicyObject.MachineID,
Name = loadedpol.PolicyObject.Name,
Order = loadedpol.PolicyObject.Order,
TimeStampCheck = loadedpol.PolicyObject.TimeStampCheck,
Type = loadedpol.PolicyObject.Type,
Version = loadedpol.PolicyObject.Version
}
}
,
new LoadedPolicyObject()
{
PolicyObject = data,
Filename = loadedpol.Filename,
SignFilename = loadedpol.SignFilename
});
loadedpol.PolicyObject = data;
try
{
File.WriteAllBytes(loadedpol.Filename, pol);
}
catch
{
FoxEventLog.WriteEventLog("Cannot save policy", System.Diagnostics.EventLogEntryType.Error);
return(false);
}
try
{
File.WriteAllBytes(loadedpol.SignFilename, sign);
}
catch
{
try
{
File.Delete(loadedpol.Filename);
}
catch
{
}
FoxEventLog.WriteEventLog("Cannot save policy signature", System.Diagnostics.EventLogEntryType.Error);
return(false);
}
return(true);
}
//no? create the file
LoadedPolicyObject lobj = new LoadedPolicyObject();
lobj.PolicyObject = data;
lobj.Filename = PoliciesFolder + Filename + ".pol";
lobj.SignFilename = PoliciesFolder + Filename + ".sign";
try
{
File.WriteAllBytes(lobj.Filename, pol);
}
catch
{
FoxEventLog.WriteEventLog("Cannot save policy", System.Diagnostics.EventLogEntryType.Error);
return(false);
}
try
{
File.WriteAllBytes(lobj.SignFilename, sign);
}
catch
{
try
{
File.Delete(lobj.Filename);
}
catch
{
}
FoxEventLog.WriteEventLog("Cannot save policy signature", System.Diagnostics.EventLogEntryType.Error);
return(false);
}
LoadedPolicyObjects.Add(lobj);
return(true);
}
static public bool LoadPolicies()
{
LoadedPolicyObjects = new List <LoadedPolicyObject>();
string PoliciesFolder = SystemInfos.ProgramData + "Policies\\";
if (Directory.Exists(PoliciesFolder) == false)
{
Directory.CreateDirectory(PoliciesFolder);
}
foreach (string file in Directory.EnumerateFiles(PoliciesFolder, "*.pol", SearchOption.TopDirectoryOnly))
{
string signfile = file.Substring(0, file.Length - 4) + ".sign";
if (File.Exists(file) == false)
{
if (File.Exists(signfile) == true)
{
FoxEventLog.WriteEventLog("Found lonely file \"" + file + "\" - deleting the file", System.Diagnostics.EventLogEntryType.Warning);
File.Delete(signfile);
}
}
else
{
if (File.Exists(signfile) == false)
{
FoxEventLog.WriteEventLog("Found \"" + file + "\" but no signature - deleting the file", System.Diagnostics.EventLogEntryType.Warning);
File.Delete(file);
}
else
{
FileInfo fileinfo;
fileinfo = new FileInfo(file);
if (fileinfo.Length > 33554432)
{
FoxEventLog.WriteEventLog("File \"" + file + "\" too large (>32MB) - deleting the files", System.Diagnostics.EventLogEntryType.Warning);
File.Delete(file);
File.Delete(signfile);
continue;
}
fileinfo = new FileInfo(signfile);
if (fileinfo.Length > 33554432)
{
FoxEventLog.WriteEventLog("File \"" + signfile + "\" too large (>32MB) - deleting the files", System.Diagnostics.EventLogEntryType.Warning);
File.Delete(file);
File.Delete(signfile);
continue;
}
byte[] pol = File.ReadAllBytes(file);
byte[] sign = File.ReadAllBytes(signfile);
if (ApplicationCertificate.Verify(pol, sign) == false)
{
FoxEventLog.WriteEventLog("File \"" + file + "\" is not proper signed - deleting the files", System.Diagnostics.EventLogEntryType.Warning);
File.Delete(file);
File.Delete(signfile);
continue;
}
try
{
PolicyObject obj = JsonConvert.DeserializeObject <PolicyObject>(Encoding.UTF8.GetString(pol));
if (ContainsPolicy(obj, true, true) == true)
{
FoxEventLog.WriteEventLog("File \"" + file + "\" is already loaded from a different file - deleting the files", System.Diagnostics.EventLogEntryType.Warning);
File.Delete(file);
File.Delete(signfile);
continue;
}
LoadedPolicyObject lobj = new LoadedPolicyObject();
lobj.PolicyObject = obj;
lobj.Filename = file;
lobj.SignFilename = signfile;
LoadedPolicyObjects.Add(lobj);
Debug.WriteLine(file + " loaded");
}
catch
{
FoxEventLog.WriteEventLog("File \"" + file + "\" cannot be loaded properly - deleting the files", System.Diagnostics.EventLogEntryType.Warning);
File.Delete(file);
File.Delete(signfile);
continue;
}
}
}
}
return(true);
}
