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Diffstat (limited to 'libs/luci-lib-nixio/axTLS/samples/vbnet/axssl.vb')
| -rw-r--r-- | libs/luci-lib-nixio/axTLS/samples/vbnet/axssl.vb | 702 |
1 files changed, 702 insertions, 0 deletions
diff --git a/libs/luci-lib-nixio/axTLS/samples/vbnet/axssl.vb b/libs/luci-lib-nixio/axTLS/samples/vbnet/axssl.vb new file mode 100644 index 0000000000..1b423c8659 --- /dev/null +++ b/libs/luci-lib-nixio/axTLS/samples/vbnet/axssl.vb @@ -0,0 +1,702 @@ +' +' Copyright (c) 2007, Cameron Rich +' +' All rights reserved. +' +' Redistribution and use in source and binary forms, with or without +' modification, are permitted provided that the following conditions are met: +' +' * Redistributions of source code must retain the above copyright notice, +' this list of conditions and the following disclaimer. +' * Redistributions in binary form must reproduce the above copyright +' notice, this list of conditions and the following disclaimer in the +' documentation and/or other materials provided with the distribution. +' * Neither the name of the axTLS project nor the names of its +' contributors may be used to endorse or promote products derived +' from this software without specific prior written permission. +' +' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +' "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +' LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +' A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +' CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +' SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +' TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +' DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY +' OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +' NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +' THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +' + +' +' Demonstrate the use of the axTLS library in VB.NET with a set of +' command-line parameters similar to openssl. In fact, openssl clients +' should be able to communicate with axTLS servers and visa-versa. +' +' This code has various bits enabled depending on the configuration. To enable +' the most interesting version, compile with the 'full mode' enabled. +' +' To see what options you have, run the following: +' > axssl.vbnet.exe s_server -? +' > axssl.vbnet.exe s_client -? +' +' The axtls shared library must be in the same directory or be found +' by the OS. +' + +Imports System +Imports System.Net +Imports System.Net.Sockets +Imports Microsoft.VisualBasic +Imports axTLSvb + +Public Class axssl + ' + ' do_server() + ' + Public Sub do_server(ByVal build_mode As Integer, _ + ByVal args() As String) + Dim i As Integer = 1 + Dim port As Integer = 4433 + Dim options As Integer = axtls.SSL_DISPLAY_CERTS + Dim quiet As Boolean = False + Dim password As String = Nothing + Dim private_key_file As String = Nothing + + ' organise the cert/ca_cert lists + Dim cert_size As Integer = SSLUtil.MaxCerts() + Dim ca_cert_size As Integer = SSLUtil.MaxCACerts() + Dim cert(cert_size) As String + Dim ca_cert(ca_cert_size) As String + Dim cert_index As Integer = 0 + Dim ca_cert_index As Integer = 0 + + While i < args.Length + If args(i) = "-accept" Then + If i >= args.Length-1 + print_server_options(build_mode, args(i)) + End If + + i += 1 + port = Int32.Parse(args(i)) + ElseIf args(i) = "-quiet" + quiet = True + options = options And Not axtls.SSL_DISPLAY_CERTS + ElseIf build_mode >= axtls.SSL_BUILD_SERVER_ONLY + If args(i) = "-cert" + If i >= args.Length-1 Or cert_index >= cert_size + print_server_options(build_mode, args(i)) + End If + + i += 1 + cert(cert_index) = args(i) + cert_index += 1 + ElseIf args(i) = "-key" + If i >= args.Length-1 + print_server_options(build_mode, args(i)) + End If + + i += 1 + private_key_file = args(i) + options = options Or axtls.SSL_NO_DEFAULT_KEY + ElseIf args(i) = "-pass" + If i >= args.Length-1 + print_server_options(build_mode, args(i)) + End If + + i += 1 + password = args(i) + ElseIf build_mode >= axtls.SSL_BUILD_ENABLE_VERIFICATION + If args(i) = "-verify" Then + options = options Or axtls.SSL_CLIENT_AUTHENTICATION + ElseIf args(i) = "-CAfile" + If i >= args.Length-1 Or _ + ca_cert_index >= ca_cert_size Then + print_server_options(build_mode, args(i)) + End If + + i += 1 + ca_cert(ca_cert_index) = args(i) + ca_cert_index += 1 + ElseIf build_mode = axtls.SSL_BUILD_FULL_MODE + If args(i) = "-debug" Then + options = options Or axtls.SSL_DISPLAY_BYTES + ElseIf args(i) = "-state" + options = options Or axtls.SSL_DISPLAY_STATES + ElseIf args(i) = "-show-rsa" + options = options Or axtls.SSL_DISPLAY_RSA + Else + print_server_options(build_mode, args(i)) + End If + Else + print_server_options(build_mode, args(i)) + End If + Else + print_server_options(build_mode, args(i)) + End If + End If + + i += 1 + End While + + ' Create socket for incoming connections + Dim ep As IPEndPoint = New IPEndPoint(IPAddress.Any, port) + Dim server_sock As TcpListener = New TcpListener(ep) + server_sock.Start() + + '********************************************************************* + ' This is where the interesting stuff happens. Up until now we've + ' just been setting up sockets etc. Now we do the SSL handshake. + '*********************************************************************/ + Dim ssl_ctx As SSLServer = New SSLServer(options, _ + axtls.SSL_DEFAULT_SVR_SESS) + + If ssl_ctx Is Nothing Then + Console.Error.WriteLine("Error: Server context is invalid") + Environment.Exit(1) + End If + + If private_key_file <> Nothing Then + Dim obj_type As Integer = axtls.SSL_OBJ_RSA_KEY + + If private_key_file.EndsWith(".p8") Then + obj_type = axtls.SSL_OBJ_PKCS8 + Else If (private_key_file.EndsWith(".p12")) + obj_type = axtls.SSL_OBJ_PKCS12 + End If + + If ssl_ctx.ObjLoad(obj_type, private_key_file, _ + password) <> axtls.SSL_OK Then + Console.Error.WriteLine("Error: Private key '" & _ + private_key_file & "' is undefined.") + Environment.Exit(1) + End If + End If + + For i = 0 To cert_index-1 + If ssl_ctx.ObjLoad(axtls.SSL_OBJ_X509_CERT, _ + cert(i), Nothing) <> axtls.SSL_OK Then + Console.WriteLine("Certificate '" & cert(i) & _ + "' is undefined.") + Environment.Exit(1) + End If + Next + + For i = 0 To ca_cert_index-1 + If ssl_ctx.ObjLoad(axtls.SSL_OBJ_X509_CACERT, _ + ca_cert(i), Nothing) <> axtls.SSL_OK Then + Console.WriteLine("Certificate '" & ca_cert(i) & _ + "' is undefined.") + Environment.Exit(1) + End If + Next + + Dim buf As Byte() = Nothing + Dim res As Integer + Dim ssl As SSL + + While 1 + If Not quiet Then + Console.WriteLine("ACCEPT") + End If + + Dim client_sock As Socket = server_sock.AcceptSocket() + + ssl = ssl_ctx.Connect(client_sock) + + ' do the actual SSL handshake + While 1 + res = ssl_ctx.Read(ssl, buf) + If res <> axtls.SSL_OK Then + Exit While + End If + + ' check when the connection has been established + If ssl.HandshakeStatus() = axtls.SSL_OK + Exit While + End If + + ' could do something else here + End While + + If res = axtls.SSL_OK Then ' connection established and ok + If Not quiet + display_session_id(ssl) + display_cipher(ssl) + End If + + ' now read (and display) whatever the client sends us + While 1 + ' keep reading until we get something interesting + While 1 + res = ssl_ctx.Read(ssl, buf) + If res <> axtls.SSL_OK Then + Exit While + End If + + ' could do something else here + End While + + If res < axtls.SSL_OK + If Not quiet + Console.WriteLine("CONNECTION CLOSED") + End If + + Exit While + End If + + ' convert to String + Dim str(res) As Char + For i = 0 To res-1 + str(i) = Chr(buf(i)) + Next + + Console.Write(str) + End While + ElseIf Not quiet + SSLUtil.DisplayError(res) + End If + + ' client was disconnected or the handshake failed. */ + ssl.Dispose() + client_sock.Close() + End While + + ssl_ctx.Dispose() + End Sub + + ' + ' do_client() + ' + Public Sub do_client(ByVal build_mode As Integer, _ + ByVal args() As String) + + If build_mode < axtls.SSL_BUILD_ENABLE_CLIENT Then + print_client_options(build_mode, args(1)) + End If + + Dim i As Integer = 1 + Dim res As Integer + Dim port As Integer = 4433 + Dim quiet As Boolean = False + Dim password As String = Nothing + Dim reconnect As Integer = 0 + Dim private_key_file As String = Nothing + Dim hostname As String = "127.0.0.1" + + ' organise the cert/ca_cert lists + Dim ssl As SSL = Nothing + Dim cert_size As Integer = SSLUtil.MaxCerts() + Dim ca_cert_size As Integer = SSLUtil.MaxCACerts() + Dim cert(cert_size) As String + Dim ca_cert(ca_cert_size) As String + Dim cert_index As Integer = 0 + Dim ca_cert_index As Integer = 0 + + Dim options As Integer = _ + axtls.SSL_SERVER_VERIFY_LATER Or axtls.SSL_DISPLAY_CERTS + Dim session_id As Byte() = Nothing + + While i < args.Length + If args(i) = "-connect" Then + Dim host_port As String + + If i >= args.Length-1 + print_client_options(build_mode, args(i)) + End If + + i += 1 + host_port = args(i) + + Dim index_colon As Integer = host_port.IndexOf(":"C) + If index_colon < 0 Then + print_client_options(build_mode, args(i)) + End If + + hostname = New String(host_port.ToCharArray(), _ + 0, index_colon) + port = Int32.Parse(New String(host_port.ToCharArray(), _ + index_colon+1, host_port.Length-index_colon-1)) + ElseIf args(i) = "-cert" + If i >= args.Length-1 Or cert_index >= cert_size Then + print_client_options(build_mode, args(i)) + End If + + i += 1 + cert(cert_index) = args(i) + cert_index += 1 + ElseIf args(i) = "-key" + If i >= args.Length-1 + print_client_options(build_mode, args(i)) + End If + + i += 1 + private_key_file = args(i) + options = options Or axtls.SSL_NO_DEFAULT_KEY + ElseIf args(i) = "-CAfile" + If i >= args.Length-1 Or ca_cert_index >= ca_cert_size + print_client_options(build_mode, args(i)) + End If + + i += 1 + ca_cert(ca_cert_index) = args(i) + ca_cert_index += 1 + ElseIf args(i) = "-verify" + options = options And Not axtls.SSL_SERVER_VERIFY_LATER + ElseIf args(i) = "-reconnect" + reconnect = 4 + ElseIf args(i) = "-quiet" + quiet = True + options = options And Not axtls.SSL_DISPLAY_CERTS + ElseIf args(i) = "-pass" + If i >= args.Length-1 + print_client_options(build_mode, args(i)) + End If + + i += 1 + password = args(i) + ElseIf build_mode = axtls.SSL_BUILD_FULL_MODE + If args(i) = "-debug" Then + options = options Or axtls.SSL_DISPLAY_BYTES + ElseIf args(i) = "-state" + options = options Or axtls.SSL_DISPLAY_STATES + ElseIf args(i) = "-show-rsa" + options = options Or axtls.SSL_DISPLAY_RSA + Else + print_client_options(build_mode, args(i)) + End If + Else ' don't know what this is + print_client_options(build_mode, args(i)) + End If + + i += 1 + End While + + 'Dim hostInfo As IPHostEntry = Dns.Resolve(hostname) + Dim hostInfo As IPHostEntry = Dns.GetHostEntry(hostname) + Dim addresses As IPAddress() = hostInfo.AddressList + Dim ep As IPEndPoint = New IPEndPoint(addresses(0), port) + Dim client_sock As Socket = New Socket(AddressFamily.InterNetwork, _ + SocketType.Stream, ProtocolType.Tcp) + client_sock.Connect(ep) + + If Not client_sock.Connected Then + Console.WriteLine("could not connect") + Environment.Exit(1) + End If + + If Not quiet Then + Console.WriteLine("CONNECTED") + End If + + '********************************************************************* + ' This is where the interesting stuff happens. Up until now we've + ' just been setting up sockets etc. Now we do the SSL handshake. + '*********************************************************************/ + Dim ssl_ctx As SSLClient = New SSLClient(options, _ + axtls.SSL_DEFAULT_CLNT_SESS) + + If ssl_ctx Is Nothing Then + Console.Error.WriteLine("Error: Client context is invalid") + Environment.Exit(1) + End If + + If private_key_file <> Nothing Then + Dim obj_type As Integer = axtls.SSL_OBJ_RSA_KEY + + If private_key_file.EndsWith(".p8") Then + obj_type = axtls.SSL_OBJ_PKCS8 + Else If (private_key_file.EndsWith(".p12")) + obj_type = axtls.SSL_OBJ_PKCS12 + End If + + If ssl_ctx.ObjLoad(obj_type, private_key_file, _ + password) <> axtls.SSL_OK Then + Console.Error.WriteLine("Error: Private key '" & _ + private_key_file & "' is undefined.") + Environment.Exit(1) + End If + End If + + For i = 0 To cert_index-1 + If ssl_ctx.ObjLoad(axtls.SSL_OBJ_X509_CERT, _ + cert(i), Nothing) <> axtls.SSL_OK Then + Console.WriteLine("Certificate '" & cert(i) & _ + "' is undefined.") + Environment.Exit(1) + End If + Next + + For i = 0 To ca_cert_index-1 + If ssl_ctx.ObjLoad(axtls.SSL_OBJ_X509_CACERT, _ + ca_cert(i), Nothing) <> axtls.SSL_OK Then + Console.WriteLine("Certificate '" & ca_cert(i) & _ + "' is undefined.") + Environment.Exit(1) + End If + Next + + ' Try session resumption? + If reconnect > 0 Then + While reconnect > 0 + reconnect -= 1 + ssl = ssl_ctx.Connect(client_sock, session_id) + + res = ssl.HandshakeStatus() + If res <> axtls.SSL_OK Then + If Not quiet Then + SSLUtil.DisplayError(res) + End If + + ssl.Dispose() + Environment.Exit(1) + End If + + display_session_id(ssl) + session_id = ssl.GetSessionId() + + If reconnect > 0 Then + ssl.Dispose() + client_sock.Close() + + ' and reconnect + client_sock = New Socket(AddressFamily.InterNetwork, _ + SocketType.Stream, ProtocolType.Tcp) + client_sock.Connect(ep) + End If + End While + Else + ssl = ssl_ctx.Connect(client_sock, Nothing) + End If + + ' check the return status + res = ssl.HandshakeStatus() + If res <> axtls.SSL_OK Then + If Not quiet Then + SSLUtil.DisplayError(res) + End If + + Environment.Exit(1) + End If + + If Not quiet Then + Dim common_name As String = _ + ssl.GetCertificateDN(axtls.SSL_X509_CERT_COMMON_NAME) + + If common_name <> Nothing + Console.WriteLine("Common Name:" & _ + ControlChars.Tab & ControlChars.Tab & _ + ControlChars.Tab & common_name) + End If + + display_session_id(ssl) + display_cipher(ssl) + End If + + While (1) + Dim user_input As String = Console.ReadLine() + + If user_input = Nothing Then + Exit While + End If + + Dim buf(user_input.Length+1) As Byte + buf(buf.Length-2) = Asc(ControlChars.Lf) ' add the carriage return + buf(buf.Length-1) = 0 ' null terminate + + For i = 0 To user_input.Length-1 + buf(i) = Asc(user_input.Chars(i)) + Next + + res = ssl_ctx.Write(ssl, buf, buf.Length) + If res < axtls.SSL_OK Then + If Not quiet Then + SSLUtil.DisplayError(res) + End If + + Exit While + End If + End While + + ssl_ctx.Dispose() + End Sub + + ' + ' Display what cipher we are using + ' + Private Sub display_cipher(ByVal ssl As SSL) + Console.Write("CIPHER is ") + + Select ssl.GetCipherId() + Case axtls.SSL_AES128_SHA + Console.WriteLine("AES128-SHA") + + Case axtls.SSL_AES256_SHA + Console.WriteLine("AES256-SHA") + + Case axtls.SSL_RC4_128_SHA + Console.WriteLine("RC4-SHA") + + Case axtls.SSL_RC4_128_MD5 + Console.WriteLine("RC4-MD5") + + Case Else + Console.WriteLine("Unknown - " & ssl.GetCipherId()) + End Select + End Sub + + ' + ' Display what session id we have. + ' + Private Sub display_session_id(ByVal ssl As SSL) + Dim session_id As Byte() = ssl.GetSessionId() + + If session_id.Length > 0 Then + Console.WriteLine("-----BEGIN SSL SESSION PARAMETERS-----") + Dim b As Byte + For Each b In session_id + Console.Write("{0:x02}", b) + Next + + Console.WriteLine() + Console.WriteLine("-----END SSL SESSION PARAMETERS-----") + End If + End Sub + + ' + ' We've had some sort of command-line error. Print out the basic options. + ' + Public Sub print_options(ByVal options As String) + Console.WriteLine("axssl: Error: '" & options & _ + "' is an invalid command.") + Console.WriteLine("usage: axssl.vbnet [s_server|s_client|" & _ + "version] [args ...]") + Environment.Exit(1) + End Sub + + ' + ' We've had some sort of command-line error. Print out the server options. + ' + Private Sub print_server_options(ByVal build_mode As Integer, _ + ByVal options As String) + Dim cert_size As Integer = SSLUtil.MaxCerts() + Dim ca_cert_size As Integer = SSLUtil.MaxCACerts() + + Console.WriteLine("unknown option " & options) + Console.WriteLine("usage: s_server [args ...]") + Console.WriteLine(" -accept arg" & ControlChars.Tab & _ + "- port to accept on (default is 4433)") + Console.WriteLine(" -quiet" & ControlChars.Tab & ControlChars.Tab & _ + "- No server output") + If build_mode >= axtls.SSL_BUILD_SERVER_ONLY + Console.WriteLine(" -cert arg" & ControlChars.Tab & _ + "- certificate file to add (in addition to default) to chain -") + Console.WriteLine(ControlChars.Tab & ControlChars.Tab & _ + " Can repeat up to " & cert_size & " times") + Console.WriteLine(" -key arg" & ControlChars.Tab & _ + "- Private key file to use") + Console.WriteLine(" -pass" & ControlChars.Tab & ControlChars.Tab & _ + "- private key file pass phrase source") + End If + + If build_mode >= axtls.SSL_BUILD_ENABLE_VERIFICATION + Console.WriteLine(" -verify" & ControlChars.Tab & _ + "- turn on peer certificate verification") + Console.WriteLine(" -CAfile arg" & ControlChars.Tab & _ + "- Certificate authority") + Console.WriteLine(ControlChars.Tab & ControlChars.Tab & _ + " Can repeat up to " & ca_cert_size & " times") + End If + + If build_mode = axtls.SSL_BUILD_FULL_MODE + Console.WriteLine(" -debug" & _ + ControlChars.Tab & ControlChars.Tab & _ + "- Print more output") + Console.WriteLine(" -state" & _ + ControlChars.Tab & ControlChars.Tab & _ + "- Show state messages") + Console.WriteLine(" -show-rsa" & _ + ControlChars.Tab & "- Show RSA state") + End If + + Environment.Exit(1) + End Sub + + ' + ' We've had some sort of command-line error. Print out the client options. + ' + Private Sub print_client_options(ByVal build_mode As Integer, _ + ByVal options As String) + Dim cert_size As Integer = SSLUtil.MaxCerts() + Dim ca_cert_size As Integer = SSLUtil.MaxCACerts() + + Console.WriteLine("unknown option " & options) + + If build_mode >= axtls.SSL_BUILD_ENABLE_CLIENT Then + Console.WriteLine("usage: s_client [args ...]") + Console.WriteLine(" -connect host:port - who to connect to " & _ + "(default is localhost:4433)") + Console.WriteLine(" -verify" & ControlChars.Tab & _ + "- turn on peer certificate verification") + Console.WriteLine(" -cert arg" & ControlChars.Tab & _ + "- certificate file to use") + Console.WriteLine(ControlChars.Tab & ControlChars.Tab & _ + " Can repeat up to " & cert_size & " times") + Console.WriteLine(" -key arg" & ControlChars.Tab & _ + "- Private key file to use") + Console.WriteLine(" -CAfile arg" & ControlChars.Tab & _ + "- Certificate authority") + Console.WriteLine(ControlChars.Tab & ControlChars.Tab & _ + " Can repeat up to " & ca_cert_size & " times") + Console.WriteLine(" -quiet" & _ + ControlChars.Tab & ControlChars.Tab & "- No client output") + Console.WriteLine(" -pass" & ControlChars.Tab & _ + ControlChars.Tab & _ + "- private key file pass phrase source") + Console.WriteLine(" -reconnect" & ControlChars.Tab & _ + "- Drop and re-make the " & _ + "connection with the same Session-ID") + + If build_mode = axtls.SSL_BUILD_FULL_MODE Then + Console.WriteLine(" -debug" & _ + ControlChars.Tab & ControlChars.Tab & _ + "- Print more output") + Console.WriteLine(" -state" & _ + ControlChars.Tab & ControlChars.Tab & _ + "- Show state messages") + Console.WriteLine(" -show-rsa" & ControlChars.Tab & _ + "- Show RSA state") + End If + Else + Console.WriteLine("Change configuration to allow this feature") + End If + + Environment.Exit(1) + End Sub + +End Class + +Public Module MyMain + Function Main(ByVal args() As String) As Integer + Dim runner As axssl = New axssl() + + If args.Length = 1 And args(0) = "version" Then + Console.WriteLine("axssl.vbnet " & SSLUtil.Version()) + Environment.Exit(0) + End If + + If args.Length < 1 + runner.print_options("") + ElseIf args(0) <> "s_server" And args(0) <> "s_client" + runner.print_options(args(0)) + End If + + Dim build_mode As Integer = SSLUtil.BuildMode() + + If args(0) = "s_server" Then + runner.do_server(build_mode, args) + Else + runner.do_client(build_mode, args) + End If + End Function +End Module |