private void txtBytes_TextChanged(object sender, EventArgs e)
{
tvMessage.Nodes.Clear();
var users = new UserRegistry();
IAuthenticationProvider authen;
if (tscbAuthentication.SelectedIndex == 0)
{
authen = DefaultAuthenticationProvider.Instance;
}
else if (tscbAuthentication.SelectedIndex == 1)
{
authen = new MD5AuthenticationProvider(new OctetString(tstxtAuthentication.Text));
}
else
{
authen = new SHA1AuthenticationProvider(new OctetString(tstxtAuthentication.Text));
}
IPrivacyProvider privacy;
if (tscbPrivacy.SelectedIndex == 0)
{
privacy = new DefaultPrivacyProvider(authen);
}
else if (tscbPrivacy.SelectedIndex == 1)
{
privacy = new DESPrivacyProvider(new OctetString(tstxtPrivacy.Text), authen);
}
else
{
privacy = new AESPrivacyProvider(new OctetString(tstxtPrivacy.Text), authen);
}
users.Add(new User(new OctetString(tstxtUser.Text), privacy));
try
{
var messages = MessageFactory.ParseMessages(ByteTool.Convert(txtBytes.Text.Replace("\"", null).Replace("+", null)), users);
messages.Fill(tvMessage);
}
catch (Exception ex)
{
tvMessage.Nodes.Add(ex.Message);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="User"/> class.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="authentication">The authentication.</param>
/// <param name="authenticationPhrase">The authen phrase.</param>
/// <param name="privacy">The privacy.</param>
/// <param name="privacyPhrase">The privacy phrase.</param>
public User(OctetString name, string authentication, OctetString authenticationPhrase, string privacy, OctetString privacyPhrase)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (authentication == null)
{
throw new ArgumentNullException("authentication");
}
if (authenticationPhrase == null)
{
throw new ArgumentNullException("authenticationPhrase");
}
if (privacy == null)
{
throw new ArgumentNullException("privacy");
}
if (privacyPhrase == null)
{
throw new ArgumentNullException("privacyPhrase");
}
IAuthenticationProvider authenticationProvider;
if (string.IsNullOrEmpty(authentication))
{
authenticationProvider = DefaultAuthenticationProvider.Instance;
}
else if (authentication.ToUpperInvariant() == "MD5")
{
authenticationProvider = new MD5AuthenticationProvider(authenticationPhrase);
}
else if (authentication.ToUpperInvariant() == "SHA")
{
authenticationProvider = new SHA1AuthenticationProvider(authenticationPhrase);
}
else
{
throw new ArgumentException("Unknown authentication method: " + authentication, "authentication");
}
IPrivacyProvider privacyProvider;
if (string.IsNullOrEmpty(privacy))
{
privacyProvider = new DefaultPrivacyProvider(authenticationProvider);
}
else if (privacy.ToUpperInvariant() == "DES")
{
privacyProvider = new DESPrivacyProvider(privacyPhrase, authenticationProvider);
}
else
{
throw new ArgumentException("Unknown privacy method: " + privacy, "privacy");
}
Name = name;
Privacy = privacyProvider;
}
public void TestTrapV3AuthBytes()
{
byte[] bytes = Properties.Resources.v3authNoPriv_BER_Issue;
Stream stream = new MemoryStream(bytes);
UserRegistry registry = new UserRegistry();
SHA1AuthenticationProvider authen = new SHA1AuthenticationProvider(new OctetString("testpass"));
registry.Add(new OctetString("test"), new DefaultPrivacyProvider(authen));
IList<ISnmpMessage> messages = MessageFactory.ParseMessages(bytes, registry);
Assert.AreEqual(1, messages.Count);
ISnmpMessage message = messages[0];
Assert.AreEqual("80001299030005B706CF69", message.Parameters.EngineId.ToHexString());
Assert.AreEqual(41, message.Parameters.EngineBoots.ToInt32());
Assert.AreEqual(877, message.Parameters.EngineTime.ToInt32());
Assert.AreEqual("test", message.Parameters.UserName.ToString());
Assert.AreEqual("C107F9DAA3FC552960E38936", message.Parameters.AuthenticationParameters.ToHexString());
Assert.AreEqual("", message.Parameters.PrivacyParameters.ToHexString());
Assert.AreEqual("80001299030005B706CF69", message.Scope.ContextEngineId.ToHexString()); // SNMP#NET returns string.Empty here.
Assert.AreEqual("", message.Scope.ContextName.ToHexString());
Assert.AreEqual(681323585, message.MessageId());
Assert.AreEqual(681323584, message.RequestId());
Console.WriteLine(new OctetString(bytes).ToHexString());
Console.WriteLine(new OctetString(message.ToBytes()).ToHexString());
Assert.AreEqual(bytes, message.ToBytes());
}