repos/CCSFinger/CCSFinger.cs

// Douglas Thrift
//
// CCS Computer Science
//
// Windows Finger Daemon

using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.ServiceProcess;
using System.Text;
using System.Threading;

public class CCSFinger : ServiceBase
{
        private class Finger
        {
                private class Login
                {
                        private Net.USER_INFO_11 info;
                        private uint id;
                        private string session;
                        private string client;
                        private Wts.WTS_PROTOCOL_TYPE protocol;
                        private Wts.WTS_CONNECTSTATE_CLASS status;
                        private DateTime logon = DateTime.MinValue;

                        public Login(string login)
                        {
                                Net.UserGetInfo(null, login, 11, out info);

                                this.id = uint.MaxValue;
                        }

                        public Login(string login, uint id, string session, string client, Wts.WTS_PROTOCOL_TYPE protocol, Wts.WTS_CONNECTSTATE_CLASS status)
                        {
                                Net.UserGetInfo(null, login, 11, out info);

                                this.id = id;
                                this.session = session;
                                this.client = client;
                                this.protocol = protocol;
                                this.status = status;
                        }

                        public string Client
                        {
                                get { return protocol == Wts.WTS_PROTOCOL_TYPE.WTS_PROTOCOL_TYPE_CONSOLE ? "the Console" : client; }
                        }

                        public string Directory
                        {
                                get { return @"\\Zweihander\" + info.usri11_name; }
                        }

                        public uint Id
                        {
                                get { return id; }
                        }

                        public DateTime LastLogon
                        {
                                get
                                {
                                        if (logon == DateTime.MinValue)
                                                logon = new DateTime(1970, 1, 1) + new TimeSpan((long)info.usri11_last_logon * 10000000);

                                        return logon;
                                }
                        }

                        public string Name
                        {
                                get { return info.usri11_full_name; }
                        }

                        public string Session
                        {
                                get { return session; }
                        }

                        public string Status
                        {
                                get { return status.ToString().Substring(3); }
                        }
                }

                private StringWriter writer = new StringWriter();
                private SortedDictionary<string, List<Login>> logins = new SortedDictionary<string, List<Login>>();
                private List<string> nots = new List<string>();

                private void Full()
                {
                        foreach (string not in nots)
                                writer.Write("finger: {0}: no such user\r\n", not);

                        bool first = true;

                        foreach (KeyValuePair<string, List<Login>> login in logins)
                        {
                                if (first)
                                        first = false;
                                else
                                        writer.Write("\r\n");

                                writer.Write("Login: {0,-32} Name: {1}\r\nDirectory: {2}\r\n", login.Key, login.Value[0].Name, login.Value[0].Directory);

                                foreach (Login login_ in login.Value)
                                        if (login_.Id != uint.MaxValue)
                                                writer.Write("{0} on {1}, from {2}\r\n", login_.Status, login_.Id, login_.Client);

                                if (login.Value[0].LastLogon != new DateTime(1970, 1, 1))
                                        writer.Write("Last login {0:ddd MMM dd HH:mm} ({1})\r\n", login.Value[0].LastLogon.ToLocalTime(), login.Value[0].LastLogon.ToLocalTime().IsDaylightSavingTime() ? "PDT" : "PST");
                                else
                                        writer.Write("Never logged in.\r\n");

                                writer.Write("No Mail.\r\n");

                                string[] files = { ".project", ".plan" };

                                foreach (string file in files)
                                        try
                                        {
                                                StreamReader reader = new StreamReader(new FileStream(Directory.GetFiles(login.Value[0].Directory, file)[0], FileMode.Open, FileAccess.Read));

                                                switch (file)
                                                {
                                                        case ".project":
                                                                writer.Write("Project:\r\n");
                                                                break;
                                                        case ".plan":
                                                                writer.Write("Plan:\r\n");
                                                                break;
                                                }

                                                writer.Write("{0}", reader.ReadToEnd());
                                        }
                                        catch (Exception)
                                        {
                                                if (file == ".plan")
                                                        writer.Write("No Plan.\r\n");
                                        }
                        }
                }

                private void Sessions(IDictionary<string, List<Login>> logins)
                {
                        Wts.WTS_SESSION_INFO[] sessions;
                        uint count;

                        Wts.EnumerateSessions(IntPtr.Zero, 0, 1, out sessions, out count);

                        for (uint index = 0; index != count; ++index)
                        {
                                string name;
                                uint size;

                                Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSUserName, out name, out size);

                                if (name.Length > 0)
                                {
                                        string session, client;
                                        Wts.WTS_PROTOCOL_TYPE protocol;
                                        Wts.WTS_CONNECTSTATE_CLASS status;

                                        Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSWinStationName, out session, out size);
                                        Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSClientName, out client, out size);
                                        Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSClientProtocolType, out protocol, out size);
                                        Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSConnectState, out status, out size);

                                        if (!logins.ContainsKey(name))
                                                logins.Add(string.Copy(name), new List<Login>());

                                        logins[name].Add(new Login(name, sessions[index].SessionId, session, client, protocol, status));
                                }
                        }
                }

                public Finger(bool full)
                {
                        Sessions(logins);

                        if (logins.Count < 1)
                                writer.Write("No one logged on.\r\n");
                        else if (full)
                                Full();
                        else
                        {
                                writer.Write("Login           Name                 Id     Session       Status\r\n");

                                foreach (KeyValuePair<string, List<Login>> login_ in logins)
                                        foreach (Login login in login_.Value)
                                                writer.Write("{0,-15} {1,-20} {2,-6} {3,-13} {4}\r\n", login_.Key, login.Name.Length > 20 ? login.Name.Substring(0, 20) : login.Name, login.Id, login.Session, login.Status);
                        }
                }

                public Finger(ICollection<string> names)
                {
                        uint count;
                        Net.NET_DISPLAY_USER[] users;

                        Net.QueryDisplayInformation(null, 1, 0, 100, uint.MaxValue, out count, out users);

                        Dictionary<string, List<Login>> logins_ = new Dictionary<string, List<Login>>();

                        Sessions(logins_);

                        foreach (string name in names)
                        {
                                bool not = true;

                                for (uint index = 0; index != count; ++index)
                                        if (users[index].usri1_name.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1 || users[index].usri1_full_name.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1 && !logins.ContainsKey(users[index].usri1_name))
                                        {
                                                logins.Add(users[index].usri1_name, new List<Login>());

                                                logins[users[index].usri1_name].Add(new Login(users[index].usri1_name));

                                                if (logins_.ContainsKey(users[index].usri1_name))
                                                        logins[users[index].usri1_name].AddRange(logins_[users[index].usri1_name]);

                                                not = false;
                                        }

                                if (not)
                                        nots.Add(name);
                        }

                        Full();
                }

                public override string ToString()
                {
                        return writer.ToString();
                }
        }

        private static void Do()
        {
                TcpListener listener = null;

                try
                {
                        listener = new TcpListener(IPAddress.Any, 79);

                        listener.Start();

                        while (true)
                        {
                                TcpClient client = listener.AcceptTcpClient();
                                Thread thread = new Thread(new ParameterizedThreadStart(Do));

                                thread.Start(client);
                        }
                }
                catch (SocketException exception)
                {
                        Console.Error.WriteLine(exception);
                }
                finally
                {
                        listener.Stop();
                }
        }

        private static void Do(object client)
        {
                NetworkStream stream = ((TcpClient)client).GetStream();
                byte[] buffer = new byte[1024];
                int size = 0, byte_;

                while (size != buffer.Length && (byte_ = stream.ReadByte()) != '\r' && byte_ != '\n' && byte_ != -1)
                        buffer[size++] = (byte)byte_;

                string line = Encoding.ASCII.GetString(buffer, 0, size)/*Console.ReadLine()*/;
                List<string> names = new List<string>();
                bool full = false;

                foreach (string name in line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries))
                {
                        if (name == "/W")
                                full = true;
                        else
                                names.Add(name);
                }

                StreamWriter writer = new StreamWriter(stream, new UTF8Encoding(false));

                writer/*Console*/.Write(names.Count > 0 ? new Finger(names) : new Finger(full));
                writer.Close();
                //stream.Close();
                //((TcpClient)client).Close();
        }

        public static int Main(string[] args)
        {
                Do(/*null*/);

                return 0;
        }
}
Revision:	720
Committed:	2006-03-30T04:25:10-08:00 (19 years, 3 months ago) by douglas
File size:	8065 byte(s)
Log Message:	This ought to work better on a socket, but apparently it doesn't...
#	User	Rev	Content
1	douglas	719	// Douglas Thrift
2	douglas	710	//
3			// CCS Computer Science
4			//
5			// Windows Finger Daemon
6
7			using System;
8			using System.Collections.Generic;
9			using System.IO;
10			using System.Net;
11			using System.Net.Sockets;
12			using System.ServiceProcess;
13			using System.Text;
14			using System.Threading;
15
16			public class CCSFinger : ServiceBase
17			{
18			private class Finger
19			{
20			private class Login
21			{
22	douglas	718	private Net.USER_INFO_11 info;
23	douglas	710	private uint id;
24			private string session;
25	douglas	718	private string client;
26			private Wts.WTS_PROTOCOL_TYPE protocol;
27			private Wts.WTS_CONNECTSTATE_CLASS status;
28			private DateTime logon = DateTime.MinValue;
29	douglas	710
30	douglas	718	public Login(string login)
31	douglas	710	{
32	douglas	718	Net.UserGetInfo(null, login, 11, out info);
33	douglas	710
34	douglas	718	this.id = uint.MaxValue;
35			}
36
37			public Login(string login, uint id, string session, string client, Wts.WTS_PROTOCOL_TYPE protocol, Wts.WTS_CONNECTSTATE_CLASS status)
38			{
39			Net.UserGetInfo(null, login, 11, out info);
40
41	douglas	710	this.id = id;
42			this.session = session;
43	douglas	718	this.client = client;
44			this.protocol = protocol;
45			this.status = status;
46	douglas	710	}
47
48	douglas	718	public string Client
49	douglas	710	{
50	douglas	718	get { return protocol == Wts.WTS_PROTOCOL_TYPE.WTS_PROTOCOL_TYPE_CONSOLE ? "the Console" : client; }
51	douglas	710	}
52
53			public string Directory
54			{
55			get { return @"\\Zweihander\" + info.usri11_name; }
56			}
57
58			public uint Id
59			{
60			get { return id; }
61			}
62
63	douglas	718	public DateTime LastLogon
64			{
65			get
66			{
67			if (logon == DateTime.MinValue)
68			logon = new DateTime(1970, 1, 1) + new TimeSpan((long)info.usri11_last_logon * 10000000);
69
70			return logon;
71			}
72			}
73
74	douglas	710	public string Name
75			{
76			get { return info.usri11_full_name; }
77			}
78
79			public string Session
80			{
81			get { return session; }
82			}
83	douglas	718
84			public string Status
85			{
86			get { return status.ToString().Substring(3); }
87			}
88	douglas	710	}
89
90			private StringWriter writer = new StringWriter();
91			private SortedDictionary<string, List<Login>> logins = new SortedDictionary<string, List<Login>>();
92	douglas	718	private List<string> nots = new List<string>();
93	douglas	710
94			private void Full()
95			{
96	douglas	718	foreach (string not in nots)
97			writer.Write("finger: {0}: no such user\r\n", not);
98
99	douglas	710	bool first = true;
100
101			foreach (KeyValuePair<string, List<Login>> login in logins)
102			{
103			if (first)
104	douglas	720	first = false;
105	douglas	710	else
106			writer.Write("\r\n");
107
108			writer.Write("Login: {0,-32} Name: {1}\r\nDirectory: {2}\r\n", login.Key, login.Value[0].Name, login.Value[0].Directory);
109
110			foreach (Login login_ in login.Value)
111	douglas	718	if (login_.Id != uint.MaxValue)
112			writer.Write("{0} on {1}, from {2}\r\n", login_.Status, login_.Id, login_.Client);
113	douglas	710
114	douglas	720	if (login.Value[0].LastLogon != new DateTime(1970, 1, 1))
115			writer.Write("Last login {0:ddd MMM dd HH:mm} ({1})\r\n", login.Value[0].LastLogon.ToLocalTime(), login.Value[0].LastLogon.ToLocalTime().IsDaylightSavingTime() ? "PDT" : "PST");
116			else
117			writer.Write("Never logged in.\r\n");
118	douglas	718
119	douglas	720	writer.Write("No Mail.\r\n");
120
121	douglas	710	string[] files = { ".project", ".plan" };
122
123			foreach (string file in files)
124			try
125			{
126			StreamReader reader = new StreamReader(new FileStream(Directory.GetFiles(login.Value[0].Directory, file)[0], FileMode.Open, FileAccess.Read));
127
128			switch (file)
129			{
130			case ".project":
131			writer.Write("Project:\r\n");
132			break;
133			case ".plan":
134			writer.Write("Plan:\r\n");
135			break;
136			}
137
138	douglas	720	writer.Write("{0}", reader.ReadToEnd());
139	douglas	710	}
140	douglas	720	catch (Exception)
141			{
142			if (file == ".plan")
143			writer.Write("No Plan.\r\n");
144			}
145	douglas	710	}
146			}
147
148	douglas	718	private void Sessions(IDictionary<string, List<Login>> logins)
149	douglas	710	{
150	douglas	718	Wts.WTS_SESSION_INFO[] sessions;
151			uint count;
152	douglas	710
153	douglas	718	Wts.EnumerateSessions(IntPtr.Zero, 0, 1, out sessions, out count);
154	douglas	710
155			for (uint index = 0; index != count; ++index)
156			{
157	douglas	718	string name;
158			uint size;
159	douglas	710
160	douglas	718	Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSUserName, out name, out size);
161	douglas	710
162			if (name.Length > 0)
163			{
164	douglas	718	string session, client;
165			Wts.WTS_PROTOCOL_TYPE protocol;
166			Wts.WTS_CONNECTSTATE_CLASS status;
167	douglas	710
168	douglas	718	Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSWinStationName, out session, out size);
169			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSClientName, out client, out size);
170			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSClientProtocolType, out protocol, out size);
171			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSConnectState, out status, out size);
172	douglas	710
173			if (!logins.ContainsKey(name))
174			logins.Add(string.Copy(name), new List<Login>());
175
176	douglas	718	logins[name].Add(new Login(name, sessions[index].SessionId, session, client, protocol, status));
177	douglas	710	}
178			}
179	douglas	718	}
180	douglas	710
181	douglas	718	public Finger(bool full)
182			{
183			Sessions(logins);
184	douglas	710
185			if (logins.Count < 1)
186			writer.Write("No one logged on.\r\n");
187			else if (full)
188			Full();
189			else
190			{
191			writer.Write("Login Name Id Session Status\r\n");
192
193			foreach (KeyValuePair<string, List<Login>> login_ in logins)
194			foreach (Login login in login_.Value)
195	douglas	718	writer.Write("{0,-15} {1,-20} {2,-6} {3,-13} {4}\r\n", login_.Key, login.Name.Length > 20 ? login.Name.Substring(0, 20) : login.Name, login.Id, login.Session, login.Status);
196	douglas	710	}
197			}
198
199			public Finger(ICollection<string> names)
200			{
201	douglas	718	uint count;
202			Net.NET_DISPLAY_USER[] users;
203	douglas	710
204	douglas	718	Net.QueryDisplayInformation(null, 1, 0, 100, uint.MaxValue, out count, out users);
205	douglas	710
206	douglas	718	Dictionary<string, List<Login>> logins_ = new Dictionary<string, List<Login>>();
207
208			Sessions(logins_);
209
210	douglas	710	foreach (string name in names)
211	douglas	718	{
212			bool not = true;
213
214	douglas	710	for (uint index = 0; index != count; ++index)
215			if (users[index].usri1_name.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1 \|\| users[index].usri1_full_name.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1 && !logins.ContainsKey(users[index].usri1_name))
216			{
217	douglas	718	logins.Add(users[index].usri1_name, new List<Login>());
218	douglas	710
219	douglas	718	logins[users[index].usri1_name].Add(new Login(users[index].usri1_name));
220
221			if (logins_.ContainsKey(users[index].usri1_name))
222			logins[users[index].usri1_name].AddRange(logins_[users[index].usri1_name]);
223
224			not = false;
225	douglas	710	}
226
227	douglas	718	if (not)
228			nots.Add(name);
229			}
230	douglas	710
231			Full();
232			}
233
234			public override string ToString()
235			{
236			return writer.ToString();
237			}
238			}
239
240	douglas	720	private static void Do()
241	douglas	710	{
242			TcpListener listener = null;
243
244			try
245			{
246			listener = new TcpListener(IPAddress.Any, 79);
247
248			listener.Start();
249
250			while (true)
251			{
252			TcpClient client = listener.AcceptTcpClient();
253			Thread thread = new Thread(new ParameterizedThreadStart(Do));
254
255			thread.Start(client);
256			}
257			}
258			catch (SocketException exception)
259			{
260			Console.Error.WriteLine(exception);
261			}
262			finally
263			{
264			listener.Stop();
265			}
266	douglas	720	}
267	douglas	710
268			private static void Do(object client)
269			{
270	douglas	720	NetworkStream stream = ((TcpClient)client).GetStream();
271	douglas	710	byte[] buffer = new byte[1024];
272			int size = 0, byte_;
273
274			while (size != buffer.Length && (byte_ = stream.ReadByte()) != '\r' && byte_ != '\n' && byte_ != -1)
275	douglas	720	buffer[size++] = (byte)byte_;
276	douglas	710
277	douglas	720	string line = Encoding.ASCII.GetString(buffer, 0, size)/Console.ReadLine()/;
278	douglas	710	List<string> names = new List<string>();
279			bool full = false;
280
281			foreach (string name in line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries))
282			{
283			if (name == "/W")
284			full = true;
285			else
286			names.Add(name);
287			}
288
289	douglas	720	StreamWriter writer = new StreamWriter(stream, new UTF8Encoding(false));
290	douglas	710
291	douglas	720	writer/Console/.Write(names.Count > 0 ? new Finger(names) : new Finger(full));
292			writer.Close();
293	douglas	710	//stream.Close();
294			//((TcpClient)client).Close();
295			}
296
297			public static int Main(string[] args)
298			{
299	douglas	720	Do(/null/);
300	douglas	710
301			return 0;
302			}
303			}