public BindRequest(
Asn1Integer version,
LDAPDN name,
AuthenticationChoice authentication)
{
this.version = version;
this.name = name;
this.authentication = authentication;
}
public BindRequest(
Asn1Integer version,
LDAPDN name,
AuthenticationChoice authentication)
{
this.version = version;
this.name = name;
this.authentication = authentication;
}
public override int BerDecode(IAsn1DecodingBuffer buffer, bool explicitTag = true)
{
int headLen = 0;
Asn1Tag appTag;
headLen += TagBerDecode(buffer, out appTag);
int valueLen;
headLen += LengthBerDecode(buffer, out valueLen);
int valueLenDecode = 0;
version = new Asn1Integer();
valueLenDecode += version.BerDecode(buffer);
name = new LDAPDN();
valueLenDecode += name.BerDecode(buffer);
authentication = new AuthenticationChoice();
valueLenDecode += authentication.BerDecode(buffer);
if (valueLen != valueLenDecode)
{
throw new Asn1DecodingUnexpectedData(ExceptionMessages.DecodingUnexpectedData + " LDAPResult.");
}
return headLen + valueLen;
}
public override int BerDecode(IAsn1DecodingBuffer buffer, bool explicitTag = true)
{
int headLen = 0;
Asn1Tag appTag;
headLen += TagBerDecode(buffer, out appTag);
int valueLen;
headLen += LengthBerDecode(buffer, out valueLen);
int valueLenDecode = 0;
version = new Asn1Integer();
valueLenDecode += version.BerDecode(buffer);
name = new LDAPDN();
valueLenDecode += name.BerDecode(buffer);
authentication = new AuthenticationChoice();
valueLenDecode += authentication.BerDecode(buffer);
if (valueLen != valueLenDecode)
{
throw new Asn1DecodingUnexpectedData(ExceptionMessages.DecodingUnexpectedData + " LDAPResult.");
}
return(headLen + valueLen);
}
/// <summary>
/// Creates a BindRequest with simple bind.
/// </summary>
/// <param name="context">The user context which contains message ID.</param>
/// <param name="name">
/// The name field of BindRequest, see TD Section 5.1.1.1.1 for full list of legal names.
/// </param>
/// <param name="password">The password credential of the object.</param>
/// <returns>The packet that contains the request.</returns>
internal override AdtsBindRequestPacket CreateSimpleBindRequest(
AdtsLdapContext context,
string name,
string password)
{
AuthenticationChoice authentication = new AuthenticationChoice();
authentication.SetData(AuthenticationChoice.simple, new Asn1OctetString(password ?? string.Empty));
BindRequest bindRequest = new BindRequest(
new Asn1Integer((long)version),
new LDAPDN(name ?? string.Empty),
authentication);
return CreateBindRequestPacket(context, bindRequest);
}
/// <summary>
/// Creates a BindRequest with simple bind for Active Directory Domain Services(AD DS).
/// </summary>
/// <param name="context">The user context which contains message ID.</param>
/// <param name="username">User name which doesn't include domain prefix.</param>
/// <param name="password">Password of user.</param>
/// <param name="domainNetbiosName">NetBIOS domain name(with suffix like ".com" removed).</param>
/// <returns>The packet that contains the request.</returns>
/// <exception cref="ArgumentNullException">Thrown when username is null.</exception>
internal override AdtsBindRequestPacket CreateSimpleBindRequest(
AdtsLdapContext context,
string username,
string password,
string domainNetbiosName)
{
if (username == null)
{
throw new ArgumentNullException("username");
}
AuthenticationChoice authentication = new AuthenticationChoice();
authentication.SetData(AuthenticationChoice.simple, new Asn1OctetString(password ?? string.Empty));
string fullname = (domainNetbiosName != null) ? (domainNetbiosName + "\\" + username) : username;
BindRequest bindRequest = new BindRequest(
new Asn1Integer((long)version),
new LDAPDN(fullname),
authentication);
return CreateBindRequestPacket(context, bindRequest);
}
/// <summary>
/// Creates a sicily response BindRequest packet. Usually it's the last packet of authentication during
/// the bind process.
/// </summary>
/// <param name="context">The user context which contains message ID.</param>
/// <param name="credential">The credential to be sent, it can be calculated with SSPI.</param>
/// <returns>The packet that contains the request.</returns>
internal override AdtsBindRequestPacket CreateSicilyResponseBindRequest(
AdtsLdapContext context,
byte[] credential)
{
AuthenticationChoice authentication = new AuthenticationChoice();
authentication.SetData(AuthenticationChoice.sicilyResponse, new Asn1OctetString(credential ?? (new byte[0])));
BindRequest bindRequest = new BindRequest(
new Asn1Integer((long)version),
new LDAPDN(new byte[0]),
authentication);
return CreateBindRequestPacket(context, bindRequest);
}
/// <summary>
/// Creates a sicily package discovery BindRequest packet.
/// </summary>
/// <param name="context">The user context which contains message ID.</param>
/// <returns>The sicily package discovery BindRequest.</returns>
internal override AdtsBindRequestPacket CreateSicilyPackageDiscoveryBindRequest(AdtsLdapContext context)
{
AuthenticationChoice authentication = new AuthenticationChoice();
authentication.SetData(AuthenticationChoice.sicilyPackageDiscovery, new Asn1OctetString(string.Empty));
BindRequest bindRequest = new BindRequest(
new Asn1Integer((long)version),
new LDAPDN(new byte[0]), // For Sicily package discovery, DN is not required.
authentication);
return CreateBindRequestPacket(context, bindRequest);
}
/// <summary>
/// Creates a BindRequest with SASL bind. This method is for LDAP v3 only.
/// Note that for GSS-SPNEGO with NTLM, two rounds of bind requests is required.
/// </summary>
/// <param name="context">The user context which contains message ID.</param>
/// <param name="mechanism">Authentication mechanism used, e.g., GSS-SPNEGO, etc.</param>
/// <param name="credential">The credential to be sent, it can be calculated with SSPI.</param>
/// <returns>The packet that contains the request.</returns>
internal override AdtsBindRequestPacket CreateSaslBindRequest(
AdtsLdapContext context,
string mechanism,
byte[] credential)
{
AuthenticationChoice authentication = new AuthenticationChoice();
authentication.SetData(
AuthenticationChoice.sasl,
new SaslCredentials(
new LDAPString(mechanism ?? string.Empty),
new Asn1OctetString(credential ?? (new byte[0]))));
BindRequest bindRequest = new BindRequest(
new Asn1Integer((long)version),
new LDAPDN(new byte[0]), // For SASL, DN is not required.
authentication);
return CreateBindRequestPacket(context, bindRequest);
}
public BindRequest()
{
this.version = null;
this.name = null;
this.authentication = null;
}
