| | | 1 | | using System; |
| | | 2 | | using Renci.SshNet.Common; |
| | | 3 | | |
| | | 4 | | namespace Renci.SshNet.Messages.Authentication |
| | | 5 | | { |
| | | 6 | | /// <summary> |
| | | 7 | | /// Represents SSH_MSG_USERAUTH_REQUEST message. Server as a base message for other user authentication requests. |
| | | 8 | | /// </summary> |
| | | 9 | | [Message("SSH_MSG_USERAUTH_REQUEST", AuthenticationMessageCode)] |
| | | 10 | | public abstract class RequestMessage : Message |
| | | 11 | | { |
| | | 12 | | /// <summary> |
| | | 13 | | /// Returns the authentication message code for <c>SSH_MSG_USERAUTH_REQUEST</c>. |
| | | 14 | | /// </summary> |
| | | 15 | | internal const int AuthenticationMessageCode = 50; |
| | | 16 | | |
| | | 17 | | private readonly byte[] _serviceName; |
| | | 18 | | private readonly byte[] _userName; |
| | | 19 | | private readonly byte[] _methodNameBytes; |
| | | 20 | | private readonly string _methodName; |
| | | 21 | | |
| | | 22 | | /// <summary> |
| | | 23 | | /// Gets authentication username as UTF-8 encoded byte array. |
| | | 24 | | /// </summary> |
| | | 25 | | public byte[] Username |
| | | 26 | | { |
| | 13359 | 27 | | get { return _userName; } |
| | | 28 | | } |
| | | 29 | | |
| | | 30 | | /// <summary> |
| | | 31 | | /// Gets the name of the service as ASCII encoded byte array. |
| | | 32 | | /// </summary> |
| | | 33 | | /// <value> |
| | | 34 | | /// The name of the service. |
| | | 35 | | /// </value> |
| | | 36 | | public byte[] ServiceName |
| | | 37 | | { |
| | 9279 | 38 | | get { return _serviceName; } |
| | | 39 | | } |
| | | 40 | | |
| | | 41 | | /// <summary> |
| | | 42 | | /// Gets the name of the authentication method. |
| | | 43 | | /// </summary> |
| | | 44 | | /// <value> |
| | | 45 | | /// The name of the method. |
| | | 46 | | /// </value> |
| | | 47 | | public virtual string MethodName |
| | | 48 | | { |
| | 10899 | 49 | | get { return _methodName; } |
| | | 50 | | } |
| | | 51 | | |
| | | 52 | | /// <summary> |
| | | 53 | | /// Gets the size of the message in bytes. |
| | | 54 | | /// </summary> |
| | | 55 | | /// <value> |
| | | 56 | | /// The size of the messages in bytes. |
| | | 57 | | /// </value> |
| | | 58 | | protected override int BufferCapacity |
| | | 59 | | { |
| | | 60 | | get |
| | 3093 | 61 | | { |
| | 3093 | 62 | | var capacity = base.BufferCapacity; |
| | 3093 | 63 | | capacity += 4; // Username length |
| | 3093 | 64 | | capacity += Username.Length; // Username |
| | 3093 | 65 | | capacity += 4; // ServiceName length |
| | 3093 | 66 | | capacity += ServiceName.Length; // ServiceName |
| | 3093 | 67 | | capacity += 4; // MethodName length |
| | 3093 | 68 | | capacity += _methodNameBytes.Length; // MethodName |
| | 3093 | 69 | | return capacity; |
| | 3093 | 70 | | } |
| | | 71 | | } |
| | | 72 | | |
| | | 73 | | /// <summary> |
| | | 74 | | /// Initializes a new instance of the <see cref="RequestMessage"/> class. |
| | | 75 | | /// </summary> |
| | | 76 | | /// <param name="serviceName">Name of the service.</param> |
| | | 77 | | /// <param name="username">Authentication username.</param> |
| | | 78 | | /// <param name="methodName">The name of the authentication method.</param> |
| | 4569 | 79 | | protected RequestMessage(ServiceName serviceName, string username, string methodName) |
| | 4569 | 80 | | { |
| | 4569 | 81 | | _serviceName = serviceName.ToArray(); |
| | 4569 | 82 | | _userName = Utf8.GetBytes(username); |
| | 4569 | 83 | | _methodNameBytes = Ascii.GetBytes(methodName); |
| | 4569 | 84 | | _methodName = methodName; |
| | 4569 | 85 | | } |
| | | 86 | | |
| | | 87 | | /// <summary> |
| | | 88 | | /// Called when type specific data need to be loaded. |
| | | 89 | | /// </summary> |
| | | 90 | | protected override void LoadData() |
| | 0 | 91 | | { |
| | 0 | 92 | | throw new InvalidOperationException("Load data is not supported."); |
| | | 93 | | } |
| | | 94 | | |
| | | 95 | | /// <summary> |
| | | 96 | | /// Called when type specific data need to be saved. |
| | | 97 | | /// </summary> |
| | | 98 | | protected override void SaveData() |
| | 3093 | 99 | | { |
| | 3093 | 100 | | WriteBinaryString(_userName); |
| | 3093 | 101 | | WriteBinaryString(_serviceName); |
| | 3093 | 102 | | WriteBinaryString(_methodNameBytes); |
| | 3093 | 103 | | } |
| | | 104 | | |
| | | 105 | | internal override void Process(Session session) |
| | 0 | 106 | | { |
| | 0 | 107 | | throw new NotImplementedException(); |
| | | 108 | | } |
| | | 109 | | |
| | | 110 | | /// <inheritdoc/> |
| | | 111 | | public override string ToString() |
| | 3093 | 112 | | { |
| | 3093 | 113 | | return $"SSH_MSG_USERAUTH_REQUEST ({MethodName})"; |
| | 3093 | 114 | | } |
| | | 115 | | } |
| | | 116 | | } |