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joko |
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Attribute VB_Name = "RasEntry" |
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' RasConnect |
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' http://www.mentalis.org/apilist/RasDial.shtml |
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' example created by Daniel Kaufmann (daniel@i.com.uy) |
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' RasDisconnect |
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' http://www.activevb.de/tipps/vb6tipps/tipp0009.html |
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Option Explicit |
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Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (pDst As Any, ByVal pSrc As String, ByVal ByteLen As Long) |
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Private Declare Sub ZeroMemory Lib "kernel32.dll" Alias "RtlZeroMemory" (Destination As Any, ByVal Length As Long) |
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Const RAS95_MaxEntryName = 256 |
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Const RAS_MaxPhoneNumber = 128 |
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Const RAS_MaxCallbackNumber = RAS_MaxPhoneNumber |
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Const UNLEN = 256 |
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Const PWLEN = 256 |
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Const DNLEN = 12 |
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Private Type RASDIALPARAMS |
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dwSize As Long ' 1052 |
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szEntryName(RAS95_MaxEntryName) As Byte |
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szPhoneNumber(RAS_MaxPhoneNumber) As Byte |
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szCallbackNumber(RAS_MaxCallbackNumber) As Byte |
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szUserName(UNLEN) As Byte |
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szPassword(PWLEN) As Byte |
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szDomain(DNLEN) As Byte |
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End Type |
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Private Type RASENTRYNAME95 |
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'set dwsize to 264 |
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dwSize As Long |
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szEntryName(RAS95_MaxEntryName) As Byte |
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End Type |
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joko |
1.2 |
Private Declare Function RasDial Lib "rasapi32.dll" Alias "RasDialA" _ |
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joko |
1.1 |
(ByVal lprasdialextensions As Long, ByVal lpcstr As String, _ |
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ByRef lprasdialparamsa As RASDIALPARAMS, ByVal dword As Long, _ |
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lpvoid As Any, ByRef lphrasconn As Long) As Long |
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joko |
1.2 |
Private Declare Function RasEnumEntries Lib "rasapi32.dll" Alias "RasEnumEntriesA" _ |
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joko |
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(ByVal reserved As String, ByVal lpszPhonebook As String, lprasentryname As Any, _ |
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lpcb As Long, lpcEntries As Long) As Long |
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joko |
1.2 |
Private Declare Function RasGetEntryDialParams Lib "rasapi32.dll" Alias "RasGetEntryDialParamsA" _ |
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joko |
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(ByVal lpcstr As String, ByRef lprasdialparamsa As RASDIALPARAMS, ByRef lpbool As Long) As Long |
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joko |
1.2 |
Private Declare Function RasSetEntryDialParams _ |
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Lib "rasapi32.dll" Alias "RasSetEntryDialParamsA" _ |
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(ByVal lpszPhonebook As String, _ |
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lpRasDialParams As RASDIALPARAMS, _ |
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ByVal blnRemovePassword As Long) As Long |
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joko |
1.1 |
Private Function Dial(ByVal Connection As String, ByVal phoneBook As String, ByVal username As String, ByVal password As String) As Integer |
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Dim rp As RASDIALPARAMS, h As Long, resp As Long |
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rp.dwSize = Len(rp) + 6 |
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ChangeBytes Connection, rp.szEntryName |
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ChangeBytes "", rp.szPhoneNumber 'Phone number stored for the connection |
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ChangeBytes "*", rp.szCallbackNumber 'Callback number stored for the connection |
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ChangeBytes username, rp.szUserName |
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ChangeBytes password, rp.szPassword |
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ChangeBytes "*", rp.szDomain 'Domain stored for the connection |
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'Dial |
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resp = RasDial(ByVal 0, ByVal phoneBook, rp, 0, ByVal 0, h) 'AddressOf RasDialFunc |
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Dial = resp |
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End Function |
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Private Function ChangeToStringUni(Bytes() As Byte) As String |
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'Changes an byte array to a Visual Basic unicode string |
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Dim temp As String |
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temp = StrConv(Bytes, vbUnicode) |
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ChangeToStringUni = Left(temp, InStr(temp, Chr(0)) - 1) |
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End Function |
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Private Function ChangeBytes(ByVal str As String, ByRef Bytes() As Byte) As Boolean |
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'Changes a Visual Basic unicode string to an byte array |
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'Returns True if it truncates str |
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Dim lenBs As Long 'length of the byte array |
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Dim lenStr As Long 'length of the string |
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lenBs = UBound(Bytes) - LBound(Bytes) |
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lenStr = LenB(StrConv(str, vbFromUnicode)) |
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If lenBs > lenStr Then |
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CopyMemory Bytes(0), str, lenStr |
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ZeroMemory Bytes(lenStr), lenBs - lenStr |
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ElseIf lenBs = lenStr Then |
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CopyMemory Bytes(0), str, lenStr |
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Else |
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CopyMemory Bytes(0), str, lenBs 'Queda truncado |
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ChangeBytes = True |
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End If |
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End Function |
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Public Function RasConnect(conName As String, phoneBook As String) As Boolean |
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Dim rdp As RASDIALPARAMS, t As Long |
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Dim username As String, password As String |
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rdp.dwSize = Len(rdp) + 6 |
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ChangeBytes conName, rdp.szEntryName |
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' Get User name and password for the connection |
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t = RasGetEntryDialParams(phoneBook, rdp, 0) |
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If t = 0 Then |
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username = ChangeToStringUni(rdp.szUserName) |
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password = ChangeToStringUni(rdp.szPassword) |
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End If |
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Dim errorCode As Integer |
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errorCode = Dial(conName, phoneBook, username, password) |
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If (errorCode <> 0) Then |
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MsgBox "Error-Code: " & errorCode & vbCrLf & "http://www.admins-tipps.net/glossar/ras_errorcode.htm" |
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End If |
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RasConnect = (errorCode = 0) |
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End Function |
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joko |
1.2 |
' VpnDial.exe --setup {connection} --user {username} --pass {password} |
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Public Function SetupRasEntry(conName As String, phoneBook As String, username As String, password As String) |
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Dim rdp As RASDIALPARAMS |
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Dim result As Long |
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rdp.dwSize = Len(rdp) + 6 |
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ChangeBytes conName, rdp.szEntryName |
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ChangeBytes username, rdp.szUserName |
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ChangeBytes password, rdp.szPassword |
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' Set User name and password for the connection |
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RasSetEntryDialParams phoneBook, rdp, 0 |
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End Function |