Annotation of embedaddon/axTLS/bindings/vbnet/axTLSvb.vb, revision 1.1.1.1
1.1 misho 1: '
2: ' Copyright (c) 2007, Cameron Rich
3: '
4: ' All rights reserved.
5: '
6: ' Redistribution and use in source and binary forms, with or without
7: ' modification, are permitted provided that the following conditions are met:
8: '
9: ' * Redistributions of source code must retain the above copyright notice,
10: ' this list of conditions and the following disclaimer.
11: ' * Redistributions in binary form must reproduce the above copyright
12: ' notice, this list of conditions and the following disclaimer in the
13: ' documentation and/or other materials provided with the distribution.
14: ' * Neither the name of the axTLS project nor the names of its
15: ' contributors may be used to endorse or promote products derived
16: ' from this software without specific prior written permission.
17: '
18: ' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19: ' "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20: ' LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21: ' A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: ' CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23: ' SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
24: ' TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25: ' DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
26: ' OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27: ' NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28: ' THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: '
30:
31: '
32: ' A wrapper around the unmanaged Integererface to give a semi-decent VB.NET API
33: '
34:
35: Imports System
36: Imports System.Runtime.InteropServices
37: Imports System.Net.Sockets
38: Imports axTLSvb
39:
40: Namespace axTLSvb
41: Public Class SSL
42: Public m_ssl As IntPtr
43:
44: Public Sub New(ByRef ip As IntPtr)
45: m_ssl = ip
46: End Sub
47:
48: Public Sub Dispose()
49: axtls.ssl_free(m_ssl)
50: End Sub
51:
52: Public Function HandshakeStatus() As Integer
53: Return axtls.ssl_handshake_status(m_ssl)
54: End Function
55:
56: Public Function GetCipherId() As Byte
57: Return axtls.ssl_get_cipher_id(m_ssl)
58: End Function
59:
60: Public Function GetSessionId() As Byte()
61: Dim ptr As IntPtr = axtls.ssl_get_session_id(m_ssl)
62: Dim sess_id_size As Integer = axtls.ssl_get_session_id_size(m_ssl)
63: Dim result(sess_id_size-1) As Byte
64: Marshal.Copy(ptr, result, 0, sess_id_size)
65: Return result
66: End Function
67:
68: Public Function GetCertificateDN(component As Integer) As String
69: Return axtls.ssl_get_cert_dn(m_ssl, component)
70: End Function
71: End Class
72:
73: Public Class SSLUtil
74: Private dummy As Integer ' need something here
75:
76: Public Shared Function BuildMode() As Integer
77: Return axtls.ssl_get_config(axtls.SSL_BUILD_MODE)
78: End Function
79:
80: Public Shared Function MaxCerts() As Integer
81: Return axtls.ssl_get_config(axtls.SSL_MAX_CERT_CFG_OFFSET)
82: End Function
83:
84: Public Shared Function MaxCACerts() As Integer
85: Return axtls.ssl_get_config(axtls.SSL_MAX_CA_CERT_CFG_OFFSET)
86: End Function
87:
88: Public Shared Function HasPEM() As Boolean
89: If axtls.ssl_get_config(axtls.SSL_HAS_PEM) > 0 Then
90: Return True
91: Else
92: Return False
93: End If
94: End Function
95:
96: Public Shared Sub DisplayError(ByVal error_code As Integer)
97: axtls.ssl_display_error(error_code)
98: End Sub
99:
100: Public Shared Function Version() As String
101: Return axtls.ssl_version()
102: End Function
103: End Class
104:
105: Public Class SSLCTX
106: Protected m_ctx As IntPtr
107:
108: Protected Sub New(ByVal options As Integer, _
109: ByVal num_sessions As Integer)
110: m_ctx = axtls.ssl_ctx_new(options, num_sessions)
111: End Sub
112:
113: Public Sub Dispose()
114: axtls.ssl_ctx_free(m_ctx)
115: End Sub
116:
117: Public Function Read(ByVal ssl As SSL, ByRef in_data As Byte()) As Integer
118: Dim ptr As IntPtr = IntPtr.Zero
119: Dim ret as Integer = axtls.ssl_read(ssl.m_ssl, ptr)
120:
121: If ret > axtls.SSL_OK Then
122: ReDim in_data(ret)
123: Marshal.Copy(ptr, in_data, 0, ret)
124: Else
125: in_data = Nothing
126: End If
127:
128: Return ret
129: End Function
130:
131: Public Function Write(ByVal ssl As SSL, _
132: ByVal data As Byte(), len As Integer) As Integer
133: Return axtls.ssl_write(ssl.m_ssl, data, len)
134: End Function
135:
136: Public Function Find(ByVal s As Socket) As SSL
137: Dim client_fd As Integer = s.Handle.ToInt32()
138: Return New SSL(axtls.ssl_find(m_ctx, client_fd))
139: End Function
140:
141: Public Function VerifyCert(ByVal ssl As SSL) As Integer
142: Return axtls.ssl_verify_cert(ssl.m_ssl)
143: End Function
144:
145: Public Function Renegotiate(ByVal ssl As SSL) As Integer
146: Return axtls.ssl_renegotiate(ssl.m_ssl)
147: End Function
148:
149: Public Function ObjLoad(ByVal obj_type As Integer, _
150: ByVal filename As String, _
151: password As String) As Integer
152: Return axtls.ssl_obj_load(m_ctx, obj_type, filename, password)
153: End Function
154:
155: Public Function ObjLoad(ByVal obj_type As Integer, _
156: ByVal data As Byte(), ByVal len As Integer, _
157: password As String) As Integer
158: Return axtls.ssl_obj_memory_load( _
159: m_ctx, obj_type, data, len, password)
160: End Function
161: End Class
162:
163: Public Class SSLServer
164: Inherits SSLCTX
165:
166: Public Sub New(ByVal options As Integer, _
167: ByVal num_sessions As Integer)
168: MyBase.New(options, num_sessions)
169: End Sub
170:
171: Public Function Connect(ByVal s As Socket) As SSL
172: Dim client_fd As Integer = s.Handle.ToInt32()
173: Return New SSL(axtls.ssl_server_new(m_ctx, client_fd))
174: End Function
175: End Class
176:
177: Public Class SSLClient
178: Inherits SSLCTX
179:
180: Public Sub New(ByVal options As Integer, _
181: ByVal num_sessions As Integer)
182: MyBase.New(options, num_sessions)
183: End Sub
184:
185: Public Function Connect(ByVal s As Socket, _
186: ByVal session_id As Byte()) As SSL
187: Dim client_fd As Integer = s.Handle.ToInt32()
188: Dim sess_id_size As Byte
189: If session_id is Nothing Then
190: sess_id_size = 0
191: Else
192: sess_id_size = session_id.Length
193: End If
194:
195: Return New SSL(axtls.ssl_client_new(m_ctx, client_fd, session_id, _
196: sess_id_size))
197: End Function
198:
199: End Class
200: End Namespace
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