repos/CCSFinger/Finger.cs

// Douglas Thrift
//
// CCS Computer Science
//
// Finger

using System;
using System.Collections.Generic;
using System.IO;

public class Finger
{
        private StreamWriter writer;
        private SortedDictionary<string, List<Login>> logins = new SortedDictionary<string, List<Login>>();
        private bool forward = false;
        private List<string> nots = new List<string>();

        private void Full()
        {
                if (forward)
                        writer.Write("finger: forwarding service denied\r\n");

                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(StreamWriter writer, bool full)
        {
                this.writer = writer;

                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(StreamWriter writer, ICollection<string> names)
        {
                this.writer = writer;

                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)
                        if (name.Contains("@"))
                                forward = true;
                        else
                        {
                                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)
                                                try
                                                {
                                                        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]);
                                                }
                                                catch (ArgumentException) { }
                                                finally
                                                {
                                                        not = false;
                                                }

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

                Full();
        }
}
Revision:	725
Committed:	2006-03-31T04:13:36-08:00 (19 years, 3 months ago) by douglas
File size:	5044 byte(s)
Log Message:	Service Worky!
#	User	Rev	Content
1	douglas	725	// Douglas Thrift
2			//
3			// CCS Computer Science
4			//
5			// Finger
6
7			using System;
8			using System.Collections.Generic;
9			using System.IO;
10
11			public class Finger
12			{
13			private StreamWriter writer;
14			private SortedDictionary<string, List<Login>> logins = new SortedDictionary<string, List<Login>>();
15			private bool forward = false;
16			private List<string> nots = new List<string>();
17
18			private void Full()
19			{
20			if (forward)
21			writer.Write("finger: forwarding service denied\r\n");
22
23			foreach (string not in nots)
24			writer.Write("finger: {0}: no such user\r\n", not);
25
26			bool first = true;
27
28			foreach (KeyValuePair<string, List<Login>> login in logins)
29			{
30			if (first)
31			first = false;
32			else
33			writer.Write("\r\n");
34
35			writer.Write("Login: {0,-32} Name: {1}\r\nDirectory: {2}\r\n", login.Key, login.Value[0].Name, login.Value[0].Directory);
36
37			foreach (Login login_ in login.Value)
38			if (login_.Id != uint.MaxValue)
39			writer.Write("{0} on {1}, from {2}\r\n", login_.Status, login_.Id, login_.Client);
40
41			if (login.Value[0].LastLogon != new DateTime(1970, 1, 1))
42			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");
43			else
44			writer.Write("Never logged in.\r\n");
45
46			writer.Write("No Mail.\r\n");
47
48			string[] files = { ".project", ".plan" };
49
50			foreach (string file in files)
51			try
52			{
53			StreamReader reader = new StreamReader(new FileStream(Directory.GetFiles(login.Value[0].Directory, file)[0], FileMode.Open, FileAccess.Read));
54
55			switch (file)
56			{
57			case ".project":
58			writer.Write("Project:\r\n");
59			break;
60			case ".plan":
61			writer.Write("Plan:\r\n");
62			break;
63			}
64
65			writer.Write("{0}", reader.ReadToEnd());
66			}
67			catch (Exception)
68			{
69			if (file == ".plan")
70			writer.Write("No Plan.\r\n");
71			}
72			}
73			}
74
75			private void Sessions(IDictionary<string, List<Login>> logins)
76			{
77			Wts.WTS_SESSION_INFO[] sessions;
78			uint count;
79
80			Wts.EnumerateSessions(IntPtr.Zero, 0, 1, out sessions, out count);
81
82			for (uint index = 0; index != count; ++index)
83			{
84			string name;
85			uint size;
86
87			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSUserName, out name, out size);
88
89			if (name.Length > 0)
90			{
91			string session, client;
92			Wts.WTS_PROTOCOL_TYPE protocol;
93			Wts.WTS_CONNECTSTATE_CLASS status;
94
95			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSWinStationName, out session, out size);
96			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSClientName, out client, out size);
97			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSClientProtocolType, out protocol, out size);
98			Wts.QuerySessionInformation(IntPtr.Zero, sessions[index].SessionId, Wts.WTS_INFO_CLASS.WTSConnectState, out status, out size);
99
100			if (!logins.ContainsKey(name))
101			logins.Add(string.Copy(name), new List<Login>());
102
103			logins[name].Add(new Login(name, sessions[index].SessionId, session, client, protocol, status));
104			}
105			}
106			}
107
108			public Finger(StreamWriter writer, bool full)
109			{
110			this.writer = writer;
111
112			Sessions(logins);
113
114			if (logins.Count < 1)
115			writer.Write("No one logged on.\r\n");
116			else if (full)
117			Full();
118			else
119			{
120			writer.Write("Login Name Id Session Status\r\n");
121
122			foreach (KeyValuePair<string, List<Login>> login_ in logins)
123			foreach (Login login in login_.Value)
124			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);
125			}
126			}
127
128			public Finger(StreamWriter writer, ICollection<string> names)
129			{
130			this.writer = writer;
131
132			uint count;
133			Net.NET_DISPLAY_USER[] users;
134
135			Net.QueryDisplayInformation(null, 1, 0, 100, uint.MaxValue, out count, out users);
136
137			Dictionary<string, List<Login>> logins_ = new Dictionary<string, List<Login>>();
138
139			Sessions(logins_);
140
141			foreach (string name in names)
142			if (name.Contains("@"))
143			forward = true;
144			else
145			{
146			bool not = true;
147
148			for (uint index = 0; index != count; ++index)
149			if (users[index].usri1_name.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1 \|\| users[index].usri1_full_name.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1)
150			try
151			{
152			logins.Add(users[index].usri1_name, new List<Login>());
153
154			logins[users[index].usri1_name].Add(new Login(users[index].usri1_name));
155
156			if (logins_.ContainsKey(users[index].usri1_name))
157			logins[users[index].usri1_name].AddRange(logins_[users[index].usri1_name]);
158			}
159			catch (ArgumentException) { }
160			finally
161			{
162			not = false;
163			}
164
165			if (not)
166			nots.Add(name);
167			}
168
169			Full();
170			}
171			}