SocketPermission コンストラクター

定義

SocketPermission クラスの新しいインスタンスを初期化します。

オーバーロード

SocketPermission(PermissionState)

SocketPermission への無制限のアクセスを許可するか、Socket へのアクセスを禁止する Socket クラスの新しいインスタンスを初期化します。

SocketPermission(NetworkAccess, TransportType, String, Int32)

指定したトランスポート アドレスと指定したアクセス許可で、SocketPermission クラスの新しいインスタンスを初期化します。

SocketPermission(PermissionState)

ソース:
SocketPermission.cs
ソース:
SocketPermission.cs
ソース:
SocketPermission.cs
ソース:
SocketPermission.cs

SocketPermission への無制限のアクセスを許可するか、Socket へのアクセスを禁止する Socket クラスの新しいインスタンスを初期化します。

public:
 SocketPermission(System::Security::Permissions::PermissionState state);
public SocketPermission (System.Security.Permissions.PermissionState state);
new System.Net.SocketPermission : System.Security.Permissions.PermissionState -> System.Net.SocketPermission
Public Sub New (state As PermissionState)

パラメーター

state
PermissionState

PermissionState 値のいずれか 1 つ。

次の例では、列挙値を SocketPermission 使用して を PermissionState 作成します。

SocketPermission^ socketPermission1 = gcnew SocketPermission( PermissionState::Unrestricted );

// Create a 'SocketPermission' Object* for two ip addresses.
SocketPermission^ socketPermission2 = gcnew SocketPermission( PermissionState::None );
SecurityElement^ securityElement1 = socketPermission2->ToXml();
// 'SocketPermission' Object* for 'Connect' permission
SecurityElement^ securityElement2 = gcnew SecurityElement( "ConnectAccess" );
// Format to specify ip address are <ip-address>#<port>#<transport-type>
// First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and
// for 'All'ports for the ip-address.
SecurityElement^ securityElement3 = gcnew SecurityElement( "URI","192.168.144.238#-1#3" );
// Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and
// for 'All' ports for the ip-address.
SecurityElement^ securityElement4 = gcnew SecurityElement( "URI","192.168.144.240#-1#3" );
securityElement2->AddChild( securityElement3 );
securityElement2->AddChild( securityElement4 );
securityElement1->AddChild( securityElement2 );

// Obtain a 'SocketPermission' Object* using 'FromXml' method.
socketPermission2->FromXml( securityElement1 );

Console::WriteLine( "\nDisplays the result of FromXml method : \n" );
Console::WriteLine( socketPermission2 );

// Create another 'SocketPermission' Object* with two ip addresses.
// First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
SocketPermission^ socketPermission3 =
   gcnew SocketPermission( NetworkAccess::Connect,
      TransportType::All,
      "192.168.144.238",
      SocketPermission::AllPorts );

// Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
socketPermission3->AddPermission( NetworkAccess::Connect,
   TransportType::All,
   "192.168.144.239",
   SocketPermission::AllPorts );

Console::WriteLine( "Displays the result of AddPermission method : \n" );
Console::WriteLine( socketPermission3 );

// Find the intersection between two 'SocketPermission' objects.
socketPermission1 = dynamic_cast<SocketPermission^>(socketPermission2->Intersect( socketPermission3 ));

Console::WriteLine( "Displays the result of Intersect method :\n " );
Console::WriteLine( socketPermission1 );

// Demand that the calling method have the requsite socket permission.
socketPermission1->Demand();
  SocketPermission socketPermission1 = new SocketPermission(PermissionState.Unrestricted);

  // Create a 'SocketPermission' object for two ip addresses.
  SocketPermission socketPermission2 = new SocketPermission(PermissionState.None);
  SecurityElement securityElement1 = socketPermission2.ToXml();
  // 'SocketPermission' object for 'Connect' permission
  SecurityElement securityElement2 = new SecurityElement("ConnectAccess");
  // Format to specify ip address are <ip-address>#<port>#<transport-type>
  // First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and
// for 'All'ports for the ip-address.
  SecurityElement securityElement3 = new SecurityElement("URI", "192.168.144.238#-1#3");
  // Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and
// for 'All' ports for the ip-address.
  SecurityElement securityElement4 = new SecurityElement("URI", "192.168.144.240#-1#3");
  securityElement2.AddChild(securityElement3);
  securityElement2.AddChild(securityElement4);
  securityElement1.AddChild(securityElement2);
  
 // Obtain a 'SocketPermission' object using 'FromXml' method.
  socketPermission2.FromXml(securityElement1);

  Console.WriteLine("\nDisplays the result of FromXml method : \n");
  Console.WriteLine(socketPermission2.ToString());

  // Create another 'SocketPermission' object with two ip addresses.
  // First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
  SocketPermission socketPermission3 =
                  new SocketPermission(NetworkAccess.Connect,
                                       TransportType.All,
                                       "192.168.144.238",
                                       SocketPermission.AllPorts);

 // Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
  socketPermission3.AddPermission(NetworkAccess.Connect,
                                 TransportType.All,
                                 "192.168.144.239",
                                 SocketPermission.AllPorts);

  Console.WriteLine("Displays the result of AddPermission method : \n");
  Console.WriteLine(socketPermission3.ToString());

 // Find the intersection between two 'SocketPermission' objects.
  socketPermission1 = (SocketPermission)socketPermission2.Intersect(socketPermission3);

  Console.WriteLine("Displays the result of Intersect method :\n ");
  Console.WriteLine(socketPermission1.ToString());

  // Demand that the calling method have the requsite socket permission.
  socketPermission1.Demand();

Dim socketPermission1 As New SocketPermission(PermissionState.Unrestricted)

'Create a 'SocketPermission' object for two ip addresses.
Dim socketPermission2 As New SocketPermission(PermissionState.None)
Dim securityElement1 As SecurityElement = socketPermission2.ToXml()
''SocketPermission' object for 'Connect' permission
Dim securityElement2 As New SecurityElement("ConnectAccess")
'Format to specify ip address are <ip-address>#<port>#<transport-type>
'First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All'
' ports for the ip-address.
Dim securityElement3 As New SecurityElement("URI", "192.168.144.238#-1#3")
'Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and for 'All' ports for the ip-address.
Dim securityElement4 As New SecurityElement("URI", "192.168.144.240#-1#3")
securityElement2.AddChild(securityElement3)
securityElement2.AddChild(securityElement4)
securityElement1.AddChild(securityElement2)


'Obtain a 'SocketPermission' object using 'FromXml' method.
socketPermission2.FromXml(securityElement1)

Console.WriteLine(ControlChars.Cr + "Displays the result of FromXml method : " + ControlChars.Cr)
Console.WriteLine(socketPermission2.ToString())

'Create another 'SocketPermission' object with two ip addresses.
'First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
Dim socketPermission3 As New SocketPermission(NetworkAccess.Connect, TransportType.All, "192.168.144.238", SocketPermission.AllPorts)

'Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
socketPermission3.AddPermission(NetworkAccess.Connect, TransportType.All, "192.168.144.239", SocketPermission.AllPorts)

Console.WriteLine("Displays the result of AddPermission method : " + ControlChars.Cr)
Console.WriteLine(socketPermission3.ToString())

'Find the intersection between two 'SocketPermission' objects.
socketPermission1 = CType(socketPermission2.Intersect(socketPermission3), SocketPermission)

Console.WriteLine("Displays the result of Intersect method :" + ControlChars.Cr + " ")
Console.WriteLine(socketPermission1.ToString())
'Demand that the calling method have the requsite socket permission.
socketPermission1.Demand()

注釈

インスタンスが SocketPermissionPermissionState値を使用してUnrestricted作成された場合、SocketPermissionインスタンスはすべての要求を渡します。 のその他の値を指定 state すると、 SocketPermission トランスポート アドレスのアクセス許可が で AddPermission追加されない限り、すべての要求が失敗するインスタンスになります。

適用対象

SocketPermission(NetworkAccess, TransportType, String, Int32)

ソース:
SocketPermission.cs
ソース:
SocketPermission.cs
ソース:
SocketPermission.cs
ソース:
SocketPermission.cs

指定したトランスポート アドレスと指定したアクセス許可で、SocketPermission クラスの新しいインスタンスを初期化します。

public:
 SocketPermission(System::Net::NetworkAccess access, System::Net::TransportType transport, System::String ^ hostName, int portNumber);
public SocketPermission (System.Net.NetworkAccess access, System.Net.TransportType transport, string hostName, int portNumber);
new System.Net.SocketPermission : System.Net.NetworkAccess * System.Net.TransportType * string * int -> System.Net.SocketPermission
Public Sub New (access As NetworkAccess, transport As TransportType, hostName As String, portNumber As Integer)

パラメーター

access
NetworkAccess

NetworkAccess 値のいずれか 1 つ。

transport
TransportType

TransportType 値のいずれか 1 つ。

hostName
String

トランスポート アドレスのホスト名。

portNumber
Int32

トランスポート アドレスのポート番号。

例外

hostNamenullです。

次の例では、列挙値、列挙値、TransportTypeホスト名、ポート番号を使用して NetworkAccess を作成SocketPermissionします。

SocketPermission^ socketPermission1 = gcnew SocketPermission( PermissionState::Unrestricted );

// Create a 'SocketPermission' Object* for two ip addresses.
SocketPermission^ socketPermission2 = gcnew SocketPermission( PermissionState::None );
SecurityElement^ securityElement1 = socketPermission2->ToXml();
// 'SocketPermission' Object* for 'Connect' permission
SecurityElement^ securityElement2 = gcnew SecurityElement( "ConnectAccess" );
// Format to specify ip address are <ip-address>#<port>#<transport-type>
// First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and
// for 'All'ports for the ip-address.
SecurityElement^ securityElement3 = gcnew SecurityElement( "URI","192.168.144.238#-1#3" );
// Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and
// for 'All' ports for the ip-address.
SecurityElement^ securityElement4 = gcnew SecurityElement( "URI","192.168.144.240#-1#3" );
securityElement2->AddChild( securityElement3 );
securityElement2->AddChild( securityElement4 );
securityElement1->AddChild( securityElement2 );

// Obtain a 'SocketPermission' Object* using 'FromXml' method.
socketPermission2->FromXml( securityElement1 );

Console::WriteLine( "\nDisplays the result of FromXml method : \n" );
Console::WriteLine( socketPermission2 );

// Create another 'SocketPermission' Object* with two ip addresses.
// First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
SocketPermission^ socketPermission3 =
   gcnew SocketPermission( NetworkAccess::Connect,
      TransportType::All,
      "192.168.144.238",
      SocketPermission::AllPorts );

// Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
socketPermission3->AddPermission( NetworkAccess::Connect,
   TransportType::All,
   "192.168.144.239",
   SocketPermission::AllPorts );

Console::WriteLine( "Displays the result of AddPermission method : \n" );
Console::WriteLine( socketPermission3 );

// Find the intersection between two 'SocketPermission' objects.
socketPermission1 = dynamic_cast<SocketPermission^>(socketPermission2->Intersect( socketPermission3 ));

Console::WriteLine( "Displays the result of Intersect method :\n " );
Console::WriteLine( socketPermission1 );

// Demand that the calling method have the requsite socket permission.
socketPermission1->Demand();
  SocketPermission socketPermission1 = new SocketPermission(PermissionState.Unrestricted);

  // Create a 'SocketPermission' object for two ip addresses.
  SocketPermission socketPermission2 = new SocketPermission(PermissionState.None);
  SecurityElement securityElement1 = socketPermission2.ToXml();
  // 'SocketPermission' object for 'Connect' permission
  SecurityElement securityElement2 = new SecurityElement("ConnectAccess");
  // Format to specify ip address are <ip-address>#<port>#<transport-type>
  // First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and
// for 'All'ports for the ip-address.
  SecurityElement securityElement3 = new SecurityElement("URI", "192.168.144.238#-1#3");
  // Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and
// for 'All' ports for the ip-address.
  SecurityElement securityElement4 = new SecurityElement("URI", "192.168.144.240#-1#3");
  securityElement2.AddChild(securityElement3);
  securityElement2.AddChild(securityElement4);
  securityElement1.AddChild(securityElement2);
  
 // Obtain a 'SocketPermission' object using 'FromXml' method.
  socketPermission2.FromXml(securityElement1);

  Console.WriteLine("\nDisplays the result of FromXml method : \n");
  Console.WriteLine(socketPermission2.ToString());

  // Create another 'SocketPermission' object with two ip addresses.
  // First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
  SocketPermission socketPermission3 =
                  new SocketPermission(NetworkAccess.Connect,
                                       TransportType.All,
                                       "192.168.144.238",
                                       SocketPermission.AllPorts);

 // Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
  socketPermission3.AddPermission(NetworkAccess.Connect,
                                 TransportType.All,
                                 "192.168.144.239",
                                 SocketPermission.AllPorts);

  Console.WriteLine("Displays the result of AddPermission method : \n");
  Console.WriteLine(socketPermission3.ToString());

 // Find the intersection between two 'SocketPermission' objects.
  socketPermission1 = (SocketPermission)socketPermission2.Intersect(socketPermission3);

  Console.WriteLine("Displays the result of Intersect method :\n ");
  Console.WriteLine(socketPermission1.ToString());

  // Demand that the calling method have the requsite socket permission.
  socketPermission1.Demand();

Dim socketPermission1 As New SocketPermission(PermissionState.Unrestricted)

'Create a 'SocketPermission' object for two ip addresses.
Dim socketPermission2 As New SocketPermission(PermissionState.None)
Dim securityElement1 As SecurityElement = socketPermission2.ToXml()
''SocketPermission' object for 'Connect' permission
Dim securityElement2 As New SecurityElement("ConnectAccess")
'Format to specify ip address are <ip-address>#<port>#<transport-type>
'First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All'
' ports for the ip-address.
Dim securityElement3 As New SecurityElement("URI", "192.168.144.238#-1#3")
'Second 'SocketPermission' ip-address is '192.168.144.240' for 'All' transport types and for 'All' ports for the ip-address.
Dim securityElement4 As New SecurityElement("URI", "192.168.144.240#-1#3")
securityElement2.AddChild(securityElement3)
securityElement2.AddChild(securityElement4)
securityElement1.AddChild(securityElement2)


'Obtain a 'SocketPermission' object using 'FromXml' method.
socketPermission2.FromXml(securityElement1)

Console.WriteLine(ControlChars.Cr + "Displays the result of FromXml method : " + ControlChars.Cr)
Console.WriteLine(socketPermission2.ToString())

'Create another 'SocketPermission' object with two ip addresses.
'First 'SocketPermission' ip-address is '192.168.144.238' for 'All' transport types and for 'All' ports for the ip-address.
Dim socketPermission3 As New SocketPermission(NetworkAccess.Connect, TransportType.All, "192.168.144.238", SocketPermission.AllPorts)

'Second 'SocketPermission' ip-address is '192.168.144.239' for 'All' transport types and for 'All' ports for the ip-address.
socketPermission3.AddPermission(NetworkAccess.Connect, TransportType.All, "192.168.144.239", SocketPermission.AllPorts)

Console.WriteLine("Displays the result of AddPermission method : " + ControlChars.Cr)
Console.WriteLine(socketPermission3.ToString())

'Find the intersection between two 'SocketPermission' objects.
socketPermission1 = CType(socketPermission2.Intersect(socketPermission3), SocketPermission)

Console.WriteLine("Displays the result of Intersect method :" + ControlChars.Cr + " ")
Console.WriteLine(socketPermission1.ToString())
'Demand that the calling method have the requsite socket permission.
socketPermission1.Demand()

注釈

このコンストラクターは、SocketPermission指定した へのアクセスを制御し、portNumber指定した hostName を使用して を作成しますtransport

には hostName 、DNS 名、IP アドレス、または指定した IP サブネット (192.168.1.* など) を指定できます。

には portNumber 、トランスポートで定義されている任意の有効なポート番号または SocketPermission.AllPortsを指定できます。

適用対象