Mono.Zeroconf – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | office | 1 | // Copyright 2006 Alp Toker <alp@atoker.com> |
2 | // This software is made available under the MIT License |
||
3 | // See COPYING for details |
||
4 | |||
5 | using System; |
||
6 | using System.Collections.Generic; |
||
7 | using System.IO; |
||
8 | using System.Text; |
||
9 | using System.Globalization; |
||
10 | |||
11 | namespace NDesk.DBus.Authentication |
||
12 | { |
||
13 | enum ClientState |
||
14 | { |
||
15 | WaitingForData, |
||
16 | WaitingForOK, |
||
17 | WaitingForReject, |
||
18 | } |
||
19 | |||
20 | enum ServerState |
||
21 | { |
||
22 | WaitingForAuth, |
||
23 | WaitingForData, |
||
24 | WaitingForBegin, |
||
25 | } |
||
26 | |||
27 | class SaslClient |
||
28 | { |
||
29 | protected Connection conn; |
||
30 | |||
31 | protected SaslClient () |
||
32 | { |
||
33 | } |
||
34 | |||
35 | public SaslClient (Connection conn) |
||
36 | { |
||
37 | this.conn = conn; |
||
38 | } |
||
39 | |||
40 | public void Run () |
||
41 | { |
||
42 | StreamReader sr = new StreamReader (conn.Transport.Stream, Encoding.ASCII); |
||
43 | StreamWriter sw = new StreamWriter (conn.Transport.Stream, Encoding.ASCII); |
||
44 | |||
45 | sw.NewLine = "\r\n"; |
||
46 | |||
47 | string str = conn.Transport.AuthString (); |
||
48 | byte[] bs = Encoding.ASCII.GetBytes (str); |
||
49 | |||
50 | string authStr = ToHex (bs); |
||
51 | |||
52 | sw.WriteLine ("AUTH EXTERNAL {0}", authStr); |
||
53 | sw.Flush (); |
||
54 | |||
55 | string ok_rep = sr.ReadLine (); |
||
56 | |||
57 | string[] parts; |
||
58 | parts = ok_rep.Split (' '); |
||
59 | |||
60 | if (parts.Length < 1 || parts[0] != "OK") |
||
61 | throw new Exception ("Authentication error: AUTH EXTERNAL was not OK: \"" + ok_rep + "\""); |
||
62 | |||
63 | /* |
||
64 | string guid = parts[1]; |
||
65 | byte[] guidData = FromHex (guid); |
||
66 | uint unixTime = BitConverter.ToUInt32 (guidData, 0); |
||
67 | Console.Error.WriteLine ("guid: " + guid + ", " + "unixTime: " + unixTime + " (" + UnixToDateTime (unixTime) + ")"); |
||
68 | */ |
||
69 | |||
70 | sw.WriteLine ("BEGIN"); |
||
71 | sw.Flush (); |
||
72 | } |
||
73 | |||
74 | //From Mono.Unix.Native.NativeConvert |
||
75 | //should these methods use long or (u)int? |
||
76 | public static DateTime UnixToDateTime (long time) |
||
77 | { |
||
78 | DateTime LocalUnixEpoch = new DateTime (1970, 1, 1); |
||
79 | TimeSpan LocalUtcOffset = TimeZone.CurrentTimeZone.GetUtcOffset (DateTime.UtcNow); |
||
80 | return LocalUnixEpoch.AddSeconds ((double) time + LocalUtcOffset.TotalSeconds); |
||
81 | } |
||
82 | |||
83 | public static long DateTimeToUnix (DateTime time) |
||
84 | { |
||
85 | DateTime LocalUnixEpoch = new DateTime (1970, 1, 1); |
||
86 | TimeSpan LocalUtcOffset = TimeZone.CurrentTimeZone.GetUtcOffset (DateTime.UtcNow); |
||
87 | TimeSpan unixTime = time.Subtract (LocalUnixEpoch) - LocalUtcOffset; |
||
88 | |||
89 | return (long) unixTime.TotalSeconds; |
||
90 | } |
||
91 | |||
92 | //From Mono.Security.Cryptography |
||
93 | //Modified to output lowercase hex |
||
94 | static public string ToHex (byte[] input) |
||
95 | { |
||
96 | if (input == null) |
||
97 | return null; |
||
98 | |||
99 | StringBuilder sb = new StringBuilder (input.Length * 2); |
||
100 | foreach (byte b in input) { |
||
101 | sb.Append (b.ToString ("x2", CultureInfo.InvariantCulture)); |
||
102 | } |
||
103 | return sb.ToString (); |
||
104 | } |
||
105 | |||
106 | //From Mono.Security.Cryptography |
||
107 | static private byte FromHexChar (char c) |
||
108 | { |
||
109 | if ((c >= 'a') && (c <= 'f')) |
||
110 | return (byte) (c - 'a' + 10); |
||
111 | if ((c >= 'A') && (c <= 'F')) |
||
112 | return (byte) (c - 'A' + 10); |
||
113 | if ((c >= '0') && (c <= '9')) |
||
114 | return (byte) (c - '0'); |
||
115 | throw new ArgumentException ("Invalid hex char"); |
||
116 | } |
||
117 | |||
118 | //From Mono.Security.Cryptography |
||
119 | static public byte[] FromHex (string hex) |
||
120 | { |
||
121 | if (hex == null) |
||
122 | return null; |
||
123 | if ((hex.Length & 0x1) == 0x1) |
||
124 | throw new ArgumentException ("Length must be a multiple of 2"); |
||
125 | |||
126 | byte[] result = new byte [hex.Length >> 1]; |
||
127 | int n = 0; |
||
128 | int i = 0; |
||
129 | while (n < result.Length) { |
||
130 | result [n] = (byte) (FromHexChar (hex [i++]) << 4); |
||
131 | result [n++] += FromHexChar (hex [i++]); |
||
132 | } |
||
133 | return result; |
||
134 | } |
||
135 | } |
||
136 | } |