public string WMI([FromQuery] string identifier)
{
ISnmpData data = null,
data2 = null;
GetNextRequestMessage message = new GetNextRequestMessage(0,
VersionCode.V1,
new OctetString("public"),
//new List<Variable> {new Variable(new ObjectIdentifier("1.3.6.1.2.1.25.1.6"))});
new List <Variable> {
new Variable(new ObjectIdentifier(identifier))
});
ISnmpMessage response = message.GetResponse(60000, new IPEndPoint(IPAddress.Any, 161));
string s = JsonConvert.SerializeObject(response.Pdu().Variables);
foreach (var a in response.Pdu().Variables)
{
data2 = a.Data;
}
var result = Messenger.Get(VersionCode.V2,
new IPEndPoint(IPAddress.Any, 161),
new OctetString("public"),
new List <Variable> {
new Variable(new ObjectIdentifier(".1.3.6.1.2.1.1.3"))
},
60000);
s += JsonConvert.SerializeObject(result);
return(s);
}
internal override void GetNext(Variable variable)
{
if (string.IsNullOrEmpty(UserName))
{
Logger.Info("User name need to be specified for v3.");
return;
}
Discovery discovery = Messenger.NextDiscovery;
ReportMessage report = discovery.GetResponse(Timeout, Agent);
GetNextRequestMessage request = new GetNextRequestMessage(VersionCode.V3, 100, 0, new OctetString(UserName), new List <Variable> {
variable
}, _privacy, Messenger.MaxMessageSize, report);
ISnmpMessage response = request.GetResponse(Timeout, Agent, _registry);
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"error in response",
Agent.Address,
response);
}
Logger.Info(response.Pdu().Variables[0].ToString(Objects));
}
private Variable GetNext(List <Variable> vList)
{
strError = null;
GetNextRequestMessage message = new GetNextRequestMessage(0,
VersionCode.V1,
new OctetString("public"),
vList);
try
{
response = message.GetResponse(timeout, receiver);
}
catch (Exception e)
{
strError = "Error Retrieving Property";
return(null);
}
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
strError = "Error Retrieving Property";
return(null);
}
else
{
return(response.Pdu().Variables[0]);
}
return(null);
}
private async void button1_Click(object sender, EventArgs e)
{
try
{
TcpClient client = new TcpClient();
IAsyncResult asyncResult = client.BeginConnect(textBox1.Text, 161, null, null);
// readTimeOut süresi kadar saniye içerisinde bağlantının kurulması bekleniyor.
asyncResult.AsyncWaitHandle.WaitOne(3000, true);
// readTimeOut süresi sonunda TCP baglantısı kurulamazsa
if (asyncResult.IsCompleted)
{
var result = await Messenger.GetAsync(VersionCode.V1,
new IPEndPoint(IPAddress.Parse(textBox1.Text), 161),
new OctetString("public"),
new List <Variable> {
new Variable(new ObjectIdentifier(textBox2.Text))
});
//result = Messenger.Get(VersionCode.V1,
// new IPEndPoint(IPAddress.Parse(textBox1.Text), 161),
// new OctetString("public"),
// new List<Variable> { new Variable(new ObjectIdentifier(textBox2.Text)) },
// 5000);
textBox3.Text = result[0].Data.ToString();
GetNextRequestMessage message = new GetNextRequestMessage(0,
VersionCode.V1,
new OctetString("public"),
new List <Variable> {
new Variable(new ObjectIdentifier("1.3.6.1.2.1.1.6.0"))
});
ISnmpMessage response = message.GetResponse(60000, new IPEndPoint(IPAddress.Parse(textBox1.Text), 161));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
//throw ErrorException.Create("error in response",receiver.Address,response);
}
var result1 = response.Pdu().Variables;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
internal override void GetNext(Variable variable)
{
GetNextRequestMessage message = new GetNextRequestMessage(
Messenger.NextRequestId,
VersionCode,
GetCommunity,
new List <Variable> {
variable
});
ISnmpMessage response = message.GetResponse(Timeout, Agent);
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"error in response",
Agent.Address,
response);
}
Logger.Info(response.Pdu().Variables[0].ToString(Objects));
}
public void SnmpGetNext(string community, string ipAddress, string oidKey)
{
GetNextRequestMessage message = new GetNextRequestMessage(0,
VersionCode.V2,
new OctetString(community),
new List <Variable> {
new Variable(new ObjectIdentifier(oidKey))
});
ISnmpMessage response = message.GetResponse(6000, new IPEndPoint(IPAddress.Parse(ipAddress), 161));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"Error in response!",
IPAddress.Parse(ipAddress),
response);
}
var result = response.Pdu().Variables;
variableList = result.ToList();
}
//-----------------------------------------------------------------------------
//SNMPGETNEXT
public void SnmpGetNext(string oidKey)
{
GetNextRequestMessage message = new GetNextRequestMessage(0,
VersionCode.V2,
community,
new List <Variable> {
new Variable(new ObjectIdentifier(oidKey))
});
ISnmpMessage response = message.GetResponse(6000, server);
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"Error in response!",
server.Address,
response);
}
var result = response.Pdu().Variables;
variableList = result.ToList();
}
public static IList <Variable> GetNext(string IpAddress, string readPermissionString, string Identifier, int readPort)
{
GetNextRequestMessage message = new GetNextRequestMessage(0,
VersionCode.V1,
new OctetString(readPermissionString),
new List <Variable> {
new Variable(new ObjectIdentifier(Identifier))
});
ISnmpMessage response = message.GetResponse(60000, new IPEndPoint(IPAddress.Parse(IpAddress), readPort));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"error in response",
IPAddress.Parse("192.168.1.2"),
response);
}
var result = response.Pdu().Variables;
return(result);
}
private void SNMP_GET_NEXT()
{
string adres = addressBox.Text;
GetNextRequestMessage message = new GetNextRequestMessage(0,
VersionCode.V1,
new OctetString("public"),
new List <Variable> {
new Variable(new ObjectIdentifier(adres))
});
ISnmpMessage response = message.GetResponse(60000, new IPEndPoint(IPAddress.Parse("127.0.0.1"), 161));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw new Exception();
}
var result = response.Pdu().Variables;
foreach (var v in result)
{
consoleBox.Items.Add(v.ToString());
}
}
public static void Main(string[] args)
{
string community = "public";
bool showHelp = false;
bool showVersion = false;
VersionCode version = VersionCode.V1;
int timeout = 1000;
int retry = 0;
Levels level = Levels.Reportable;
string user = string.Empty;
string authentication = string.Empty;
string authPhrase = string.Empty;
string privacy = string.Empty;
string privPhrase = string.Empty;
bool dump = false;
OptionSet p = new OptionSet()
.Add("c:", "Community name, (default is public)", delegate(string v) { if (v != null)
{
community = v;
}
})
.Add("l:", "Security level, (default is noAuthNoPriv)", delegate(string v)
{
if (v.ToUpperInvariant() == "NOAUTHNOPRIV")
{
level = Levels.Reportable;
}
else if (v.ToUpperInvariant() == "AUTHNOPRIV")
{
level = Levels.Authentication | Levels.Reportable;
}
else if (v.ToUpperInvariant() == "AUTHPRIV")
{
level = Levels.Authentication | Levels.Privacy | Levels.Reportable;
}
else
{
throw new ArgumentException("no such security mode: " + v);
}
})
.Add("a:", "Authentication method (MD5 or SHA)", delegate(string v) { authentication = v; })
.Add("A:", "Authentication passphrase", delegate(string v) { authPhrase = v; })
.Add("x:", "Privacy method", delegate(string v) { privacy = v; })
.Add("X:", "Privacy passphrase", delegate(string v) { privPhrase = v; })
.Add("u:", "Security name", delegate(string v) { user = v; })
.Add("h|?|help", "Print this help information.", delegate(string v) { showHelp = v != null; })
.Add("V", "Display version number of this application.", delegate(string v) { showVersion = v != null; })
.Add("d", "Display message dump", delegate(string v) { dump = true; })
.Add("t:", "Timeout value (unit is second).", delegate(string v) { timeout = int.Parse(v) * 1000; })
.Add("r:", "Retry count (default is 0)", delegate(string v) { retry = int.Parse(v); })
.Add("v:", "SNMP version (1, 2, and 3 are currently supported)", delegate(string v)
{
switch (int.Parse(v))
{
case 1:
version = VersionCode.V1;
break;
case 2:
version = VersionCode.V2;
break;
case 3:
version = VersionCode.V3;
break;
default:
throw new ArgumentException("no such version: " + v);
}
});
if (args.Length == 0)
{
ShowHelp(p);
return;
}
List <string> extra;
try
{
extra = p.Parse(args);
}
catch (OptionException ex)
{
Console.WriteLine(ex.Message);
return;
}
if (showHelp)
{
ShowHelp(p);
return;
}
if (extra.Count < 2)
{
Console.WriteLine("invalid variable number: " + extra.Count);
return;
}
if (showVersion)
{
Console.WriteLine(Assembly.GetEntryAssembly().GetCustomAttribute <AssemblyVersionAttribute>().Version);
return;
}
IPAddress ip;
bool parsed = IPAddress.TryParse(extra[0], out ip);
if (!parsed)
{
var addresses = Dns.GetHostAddressesAsync(extra[0]);
addresses.Wait();
foreach (IPAddress address in
addresses.Result.Where(address => address.AddressFamily == AddressFamily.InterNetwork))
{
ip = address;
break;
}
if (ip == null)
{
Console.WriteLine("invalid host or wrong IP address found: " + extra[0]);
return;
}
}
try
{
List <Variable> vList = new List <Variable>();
for (int i = 1; i < extra.Count; i++)
{
Variable test = new Variable(new ObjectIdentifier(extra[i]));
vList.Add(test);
}
IPEndPoint receiver = new IPEndPoint(ip, 161);
if (version != VersionCode.V3)
{
GetNextRequestMessage message = new GetNextRequestMessage(0,
version,
new OctetString(community),
vList);
ISnmpMessage response = message.GetResponse(timeout, receiver);
if (response.Pdu().ErrorStatus.ToInt32() != 0) // != ErrorCode.NoError
{
throw ErrorException.Create(
"error in response",
receiver.Address,
response);
}
foreach (Variable variable in response.Pdu().Variables)
{
Console.WriteLine(variable);
}
return;
}
if (string.IsNullOrEmpty(user))
{
Console.WriteLine("User name need to be specified for v3.");
return;
}
IAuthenticationProvider auth = (level & Levels.Authentication) == Levels.Authentication
? GetAuthenticationProviderByName(authentication, authPhrase)
: DefaultAuthenticationProvider.Instance;
IPrivacyProvider priv;
if ((level & Levels.Privacy) == Levels.Privacy)
{
if (DESPrivacyProvider.IsSupported)
{
priv = new DESPrivacyProvider(new OctetString(privPhrase), auth);
}
else
{
Console.WriteLine("DES (ECB) is not supported by .NET Core.");
return;
}
}
else
{
priv = new DefaultPrivacyProvider(auth);
}
Discovery discovery = Messenger.GetNextDiscovery(SnmpType.GetNextRequestPdu);
ReportMessage report = discovery.GetResponse(timeout, receiver);
GetNextRequestMessage request = new GetNextRequestMessage(VersionCode.V3, Messenger.NextMessageId, Messenger.NextRequestId, new OctetString(user), vList, priv, Messenger.MaxMessageSize, report);
ISnmpMessage reply = request.GetResponse(timeout, receiver);
if (dump)
{
Console.WriteLine("Request message bytes:");
Console.WriteLine(ByteTool.Convert(request.ToBytes()));
Console.WriteLine("Response message bytes:");
Console.WriteLine(ByteTool.Convert(reply.ToBytes()));
}
if (reply is ReportMessage)
{
if (reply.Pdu().Variables.Count == 0)
{
Console.WriteLine("wrong report message received");
return;
}
var id = reply.Pdu().Variables[0].Id;
if (id != Messenger.NotInTimeWindow)
{
var error = id.GetErrorMessage();
Console.WriteLine(error);
return;
}
// according to RFC 3414, send a second request to sync time.
request = new GetNextRequestMessage(VersionCode.V3, Messenger.NextMessageId, Messenger.NextRequestId, new OctetString(user), vList, priv, Messenger.MaxMessageSize, reply);
reply = request.GetResponse(timeout, receiver);
}
else if (reply.Pdu().ErrorStatus.ToInt32() != 0) // != ErrorCode.NoError
{
throw ErrorException.Create(
"error in response",
receiver.Address,
reply);
}
foreach (Variable v in reply.Pdu().Variables)
{
Console.WriteLine(v);
}
}
catch (SnmpException ex)
{
Console.WriteLine(ex);
}
catch (SocketException ex)
{
Console.WriteLine(ex);
}
}
public static void Main(string[] args)
{
string community = "public";
bool showHelp = false;
bool showVersion = false;
VersionCode version = VersionCode.V1;
int timeout = 1000;
int retry = 0;
Levels level = Levels.Reportable;
string user = string.Empty;
string authentication = string.Empty;
string authPhrase = string.Empty;
string privacy = string.Empty;
string privPhrase = string.Empty;
OptionSet p = new OptionSet()
.Add("c:", "-c for community name, (default is public)", delegate(string v) { if (v != null)
{
community = v;
}
})
.Add("l:", "-l for security level, (default is noAuthNoPriv)", delegate(string v)
{
if (v.ToUpperInvariant() == "NOAUTHNOPRIV")
{
level = Levels.Reportable;
}
else if (v.ToUpperInvariant() == "AUTHNOPRIV")
{
level = Levels.Authentication | Levels.Reportable;
}
else if (v.ToUpperInvariant() == "AUTHPRIV")
{
level = Levels.Authentication | Levels.Privacy | Levels.Reportable;
}
else
{
throw new ArgumentException("no such security mode: " + v);
}
})
.Add("a:", "-a for authentication method (MD5 or SHA)", delegate(string v) { authentication = v; })
.Add("A:", "-A for authentication passphrase", delegate(string v) { authPhrase = v; })
.Add("x:", "-x for privacy method", delegate(string v) { privacy = v; })
.Add("X:", "-X for privacy passphrase", delegate(string v) { privPhrase = v; })
.Add("u:", "-u for security name", delegate(string v) { user = v; })
.Add("h|?|help", "-h, -?, -help for help.", delegate(string v) { showHelp = v != null; })
.Add("V", "-V to display version number of this application.", delegate(string v) { showVersion = v != null; })
.Add("t:", "-t for timeout value (unit is second).", delegate(string v) { timeout = int.Parse(v) * 1000; })
.Add("r:", "-r for retry count (default is 0)", delegate(string v) { retry = int.Parse(v); })
.Add("v:", "-v for SNMP version (1, 2, and 3 are currently supported)", delegate(string v)
{
switch (int.Parse(v))
{
case 1:
version = VersionCode.V1;
break;
case 2:
version = VersionCode.V2;
break;
case 3:
version = VersionCode.V3;
break;
default:
throw new ArgumentException("no such version: " + v);
}
});
List <string> extra = p.Parse(args);
if (showHelp)
{
ShowHelp();
return;
}
if (showVersion)
{
Console.WriteLine(System.Reflection.Assembly.GetExecutingAssembly().GetName().Version);
return;
}
if (extra.Count < 2)
{
ShowHelp();
return;
}
IPAddress ip;
bool parsed = IPAddress.TryParse(extra[0], out ip);
if (!parsed)
{
foreach (IPAddress address in Dns.GetHostAddresses(extra[0]))
{
if (address.AddressFamily != AddressFamily.InterNetwork)
{
continue;
}
ip = address;
break;
}
if (ip == null)
{
Console.WriteLine("invalid host or wrong IP address found: " + extra[0]);
return;
}
}
try
{
List <Variable> vList = new List <Variable>();
for (int i = 1; i < extra.Count; i++)
{
Variable test = new Variable(new ObjectIdentifier(extra[i]));
vList.Add(test);
}
IPEndPoint receiver = new IPEndPoint(ip, 161);
if (version != VersionCode.V3)
{
GetNextRequestMessage message = new GetNextRequestMessage(0,
version,
new OctetString(community),
vList);
ISnmpMessage response = message.GetResponse(timeout, receiver);
if (response.Pdu.ErrorStatus.ToInt32() != 0) // != ErrorCode.NoError
{
throw ErrorException.Create(
"error in response",
receiver.Address,
response);
}
foreach (Variable variable in response.Pdu.Variables)
{
Console.WriteLine(variable);
}
return;
}
if (string.IsNullOrEmpty(user))
{
Console.WriteLine("User name need to be specified for v3.");
return;
}
IAuthenticationProvider auth = (level & Levels.Authentication) == Levels.Authentication
? GetAuthenticationProviderByName(authentication, authPhrase)
: DefaultAuthenticationProvider.Instance;
IPrivacyProvider priv;
if ((level & Levels.Privacy) == Levels.Privacy)
{
priv = new DESPrivacyProvider(new OctetString(privPhrase), auth);
}
else
{
priv = new DefaultPrivacyProvider(auth);
}
Discovery discovery = Messenger.NextDiscovery;
ReportMessage report = discovery.GetResponse(timeout, receiver);
GetNextRequestMessage request = new GetNextRequestMessage(VersionCode.V3, Messenger.NextMessageId, Messenger.NextRequestId, new OctetString(user), vList, priv, Messenger.MaxMessageSize, report);
ISnmpMessage reply = request.GetResponse(timeout, receiver);
if (reply.Pdu.ErrorStatus.ToInt32() != 0) // != ErrorCode.NoError
{
throw ErrorException.Create(
"error in response",
receiver.Address,
reply);
}
foreach (Variable v in reply.Pdu.Variables)
{
Console.WriteLine(v);
}
}
catch (SnmpException ex)
{
Console.WriteLine(ex);
}
catch (SocketException ex)
{
Console.WriteLine(ex);
}
}