public PovratnaVrijednost CloseApp(byte[] encrypted)
{
OpenAppData decryted = (OpenAppData)AesAlg.Decrypt(encrypted, sessionKeys[Formatter.ParseName(Thread.CurrentPrincipal.Identity.Name)]);
IIdentity identity = Thread.CurrentPrincipal.Identity;
WindowsIdentity winIdentity = identity as WindowsIdentity;
string user = Formatter.ParseName(Thread.CurrentPrincipal.Identity.Name);
List <string> groups = GetUsergroups(winIdentity.Groups);
blackList = Restriction.ReadBlackList();
if (Restriction.IsRestricted(blackList, decryted, user, groups))
{
string pov = WCFServiceAudit.ReturnFactory().ConnectS(string.Format("{0}|{1}|{2}", user, decryted.Protokol, decryted.Port));
if (pov == "DOS")
{
return(PovratnaVrijednost.DOS);
}
return(PovratnaVrijednost.NEMADOZ);;
}
string key = string.Format("{0}", decryted.Port);
if (servisi.ContainsKey(key))
{
servisi[key].Close();
servisi.Remove(key);
return(PovratnaVrijednost.USPJEH);
}
return(PovratnaVrijednost.NIJEOTV);
}
private void ChoseAppToOpen()
{
int port = 0;
string protokol;
while (true)
{
Console.WriteLine("Please chose one of the following actions");
Console.WriteLine("\t1.Open service");
Console.WriteLine("\t2.Close service");
Console.WriteLine("\t3.Check blacklist cache");
Console.WriteLine("\t4.Edit blacklist");
Console.WriteLine("\t5.Exit");
Console.WriteLine("Press any other key to exit");
char key = Console.ReadKey().KeyChar;
switch (key)
{
case '1':
try
{
Console.WriteLine("Enter port number:");
if (Int32.TryParse(Console.ReadLine(), out port))
{
protokol = ChoseProto();
OpenAppData openAppData = new OpenAppData(machineName, port, protokol);
byte[] encrypted = AesAlg.Encrypt(openAppData.ToString(), secretKey);
PovratnaVrijednost pov = factory.OpenApp(encrypted);
if (pov == PovratnaVrijednost.USPJEH)
{
Console.WriteLine("Uspjesno ste otvorili servis!");
}
else if (pov == PovratnaVrijednost.VECOTV)
{
Console.WriteLine("Servis je vec otvoren!");
}
else if (pov == PovratnaVrijednost.NEMADOZ)
{
Console.WriteLine("Nemate dozvolu da otvorite aplikaciju!");
}
else if (pov == PovratnaVrijednost.DOS)
{
Console.WriteLine("Previse puta ste pokusali da pokrenete nedozvoljeni proces!");
Thread.Sleep(1000);
return;
}
}
}
catch (Exception e)
{
Console.WriteLine("Request failed! Error message: " + e.Message);
}
break;
case '2':
try
{
Console.WriteLine("Enter port number:");
if (Int32.TryParse(Console.ReadLine(), out port))
{
protokol = ChoseProto();
OpenAppData openAppData = new OpenAppData(machineName, port, protokol);
PovratnaVrijednost pov = factory.CloseApp(AesAlg.Encrypt(openAppData.ToString(), secretKey));
if (pov == PovratnaVrijednost.USPJEH)
{
Console.WriteLine("Uspjesno ste zatvorili servis!");
}
else if (pov == PovratnaVrijednost.NIJEOTV)
{
Console.WriteLine("Servis ne postoji!");
}
else if (pov == PovratnaVrijednost.NEMADOZ)
{
Console.WriteLine("Nemate dozvolu da zatvorite aplikaciju!");
}
else if (pov == PovratnaVrijednost.DOS)
{
Console.WriteLine("Previse puta ste pokusali da pokrenete nedozvoljeni proces!");
Thread.Sleep(1000);
return;
}
}
}
catch (Exception e)
{
Console.WriteLine("Request failed! Error message: " + e.Message);
}
break;
case '3':
Console.WriteLine("Checking blacklist cache....");
try
{
if (factory.IsBlackListValid())
{
Console.WriteLine("Black list is valid!");
}
else
{
Console.WriteLine("Black list is not valid!");
Thread.Sleep(1000);
return;
}
}
catch (Exception e)
{
Console.WriteLine("Request failed! Error message: " + e.Message);
}
break;
case '4':
try
{
Console.Clear();
char key1 = '0';
List <Restriction> blacklist = (List <Restriction>)AesAlg.Decrypt(ReturnBlackList(), secretKey);
while (key1 != '3')
{
int br = 1;
Console.WriteLine("Blacklist:");
foreach (Restriction r in blacklist)
{
Console.WriteLine("{0}. {1}\t{2}\t{3}", br++, r.UserOrGroup, r.Port, r.Protocol);
}
Console.WriteLine("Chose action:");
Console.WriteLine("\t1.Add new restriction");
Console.WriteLine("\t2.Delete existing restriction");
Console.WriteLine("\t3.Finish");
key1 = Console.ReadKey().KeyChar;
if (key1 == '1')
{
Console.WriteLine("Which user/user group:");
string userG = Console.ReadLine();
Console.WriteLine("Which port");
int portBr = 0;
string port1 = Console.ReadLine();
if (port1 != "")
{
if (!Int32.TryParse(port1, out portBr))
{
Console.WriteLine("For port, please enter a number");
continue;
}
}
string proto = ChoseProto();
Restriction r = new Restriction();
r.UserOrGroup = userG;
r.Port = portBr;
r.Protocol = proto;
blacklist.Add(r);
Console.WriteLine("Restriction successfully added to blacklist!");
}
else if (key1 == '2')
{
int redni = 0;
Console.WriteLine("Wich restriction do you want to delete? Enter the number next to the restriction");
string brisanje = Console.ReadLine();
if (brisanje == "")
{
Console.WriteLine("Please enter a number!");
continue;
}
if (!Int32.TryParse(brisanje, out redni))
{
Console.WriteLine("Please enter a number!");
continue;
}
blacklist.RemoveAt(redni + 1);
Console.WriteLine("Restriction successfully deleted from blackList!");
}
}
if (EditBlackList(AesAlg.Encrypt(Restriction.BlackListToString(blacklist), secretKey)))
{
Console.WriteLine("Succesfully edited blacklist!");
}
else
{
Console.WriteLine("Failed to edit blacklist!");
}
}
catch (Exception e)
{
Console.WriteLine("Request failed! Error message: " + e.Message);
}
break;
case '5':
return;
default:
Console.WriteLine("Choose one of given options!");
break;
}
}
}
public PovratnaVrijednost OpenApp(byte[] encrypted)
{
OpenAppData decryted = (OpenAppData)AesAlg.Decrypt(encrypted, sessionKeys[Formatter.ParseName(Thread.CurrentPrincipal.Identity.Name)]);
Console.WriteLine("------------------ OTVARANJE SERVISA ------------------");
Console.WriteLine("Korisnik {0} je zatrazio otvaranje novog servisa na portu {1} sa protokolom {2}", Formatter.ParseName(Thread.CurrentPrincipal.Identity.Name)
, decryted.Port, decryted.Protokol);
IIdentity identity = Thread.CurrentPrincipal.Identity;
WindowsIdentity winIdentity = identity as WindowsIdentity;
string user = Formatter.ParseName(Thread.CurrentPrincipal.Identity.Name);
List <string> groups = GetUsergroups(winIdentity.Groups);
blackList = Restriction.ReadBlackList();
if (Restriction.IsRestricted(blackList, decryted, user, groups))
{
Console.WriteLine("Korisnik nema dozvolu za otvaranje servisa na datom portu ili sa datim protokolom.");
string pov = WCFServiceAudit.ReturnFactory().ConnectS(string.Format("{0}|{1}|{2}", user, decryted.Protokol, decryted.Port));
Console.WriteLine("------------------ OTVARANJE NEUSPESNO ------------------");
if (pov == "DoS")
{
return(PovratnaVrijednost.DOS);
}
return(PovratnaVrijednost.NEMADOZ);;
}
if (servisi.ContainsKey(string.Format("{0}", decryted.Port)))
{
Console.WriteLine("Servis je vec otvoren na datom portu");
Console.WriteLine("------------------ OTVARANJE NEUSPESNO ------------------");
return(PovratnaVrijednost.VECOTV);
}
ServiceHost host = new ServiceHost(typeof(WCFService));
if (decryted.Protokol == "UDP")
{
Console.WriteLine("Otvaranje UDP konekcije");
UdpBinding binding = new UdpBinding();
string addr = String.Format("soap.udp://localhost:{0}/{1}", decryted.Port, decryted.ImeMasine);
host.AddServiceEndpoint(typeof(IWCFContract), binding, addr);
}
else if (decryted.Protokol == "HTTP")
{
Console.WriteLine("Otvaranje HTTP konekcije");
NetHttpBinding binding = new NetHttpBinding();
string addr = String.Format("http://localhost:{0}/{1}", decryted.Port, decryted.ImeMasine);
host.AddServiceEndpoint(typeof(IWCFContract), binding, addr);
}
else
{
Console.WriteLine("Otvaranje TCP konekcije");
NetTcpBinding binding = new NetTcpBinding();
string addr = String.Format("net.tcp://localhost:{0}/{1}", decryted.Port, decryted.ImeMasine);
host.AddServiceEndpoint(typeof(IWCFContract), binding, addr);
}
string key = String.Format("{0}", decryted.Port);
servisi.Add(key, host);
servisi[key].Open();
Console.WriteLine("------------------ OTVARANJE USPESNO ------------------");
return(PovratnaVrijednost.USPJEH);
}
