vpn连接问题，急
已用超级绿豆的源码，建立VPN连接，但却是L2PT类型的VPN，如何改成PPTP的。
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自已顶
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请高手进来参与讨论。
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豆子码呢，看看
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豆子码来了：
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private Type GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
Data4(7) As Byte
End Type
Private Type RASIPADDR
a As Byte
b As Byte
c As Byte
d As Byte
End Type
Private Type RASENTRY
dwSize As Long
dwfOptions As Long
dwCountryID As Long
dwCountryCode As Long
szAreaCode(10) As Byte
szLocalPhoneNumber(128) As Byte
dwAlternateOffset As Long
ipaddr As RASIPADDR
ipaddrDns As RASIPADDR
ipaddrDnsAlt As RASIPADDR
ipaddrWins As RASIPADDR
ipaddrWinsAlt As RASIPADDR
dwFrameSize As Long
dwfNetProtocols As Long
dwFramingProtocol As Long
szScript(259) As Byte
szAutodialDll(259) As Byte
szAutodialFunc(259) As Byte
szDeviceType(16) As Byte
szDeviceName(128) As Byte
szX25PadType(32) As Byte
szX25Address(200) As Byte
szX25Facilities(200) As Byte
szX25UserData(200) As Byte
dwChannels As Long
dwReserved1 As Long
dwReserved2 As Long
dwSubEntries As Long
dwDialMode As Long
dwDialExtraPercent As Long
dwDialExtraSampleSeconds As Long
dwHangUpExtraPercent As Long
dwHangUpExtraSampleSeconds As Long
dwIdleDisconnectSeconds As Long
dwType As Long
dwEncryptionType As Long
dwCustomAuthKey As Long
guidId As GUID
szCustomDialDll(259) As Byte
dwVpnStrategy As Long
dwfOptions2 As Long
dwfOptions3 As Long
szDnsSuffix(255) As Byte
dwTcpWindowSize As Long
szPrerequisitePbk(259) As Byte
szPrerequisiteEntry(256) As Byte
dwRedialCount As Long
dwRedialPause As Long
End Type
Private Type RASCREDENTIALS
dwSize As Long
dwMask As Long
szUserName(256) As Byte
szPassword(256) As Byte
szDomain(15) As Byte
End Type
Private Const ET_None As Long = 0 ' No encryption
Private Const ET_Require As Long = 1 ' Require Encryption
Private Const ET_RequireMax As Long = 2 ' Require max encryption
Private Const ET_Optional As Long = 3 ' Do encryption if possible. None Ok.
Private Const VS_Default As Long = 0 ' default (PPTP for now)
Private Const VS_PptpOnly As Long = 1 ' Only PPTP is attempted.
Private Const VS_PptpFirst As Long = 2 ' PPTP is tried first.
Private Const VS_L2tpOnly As Long = 3 ' Only L2TP is attempted.
Private Const VS_L2tpFirst As Long = 4 ' L2TP is tried first.
Private Const RASET_Phone As Long = 1 ' Phone lines: modem, ISDN, X.25, etc
Private Const RASET_Vpn As Long = 2 ' Virtual private network
Private Const RASET_Direct As Long = 3 ' Direct connect: serial, parallel
Private Const RASET_Internet As Long = 4 ' BaseCamp internet
Private Const RASET_Broadband As Long = 5 ' Broadband
Private Declare Function RasSetEntryProperties Lib "rasapi32" Alias "RasSetEntryPropertiesA" (ByVal lpszPhonebook As String, ByVal lpszEntry As String, lpRasEntry As RASENTRY, ByVal dwEntryInfoSize As Long, ByVal lpbDeviceInfo As Long, ByVal dwDeviceInfoSize As Long) As Long
Private Declare Function RasSetCredentials Lib "rasapi32" Alias "RasSetCredentialsA" (ByVal lpszPhonebook As String, ByVal lpszEntry As String, lpCredentials As RASCREDENTIALS, ByVal fClearCredentials As Long) As Long
Private Sub Command1_Click()
Dim sEntryName As String, sUsername As String, sPassword As String
Dim sServer As String
sEntryName = "VPN"
sServer = Text1.Text
sUsername = Text2.Text
sPassword = Text3.Text
If Create_VPN_Connection(sEntryName, sServer, "", "") Then
'MsgBox "连接建立成功！", vbOKOnly + vbInformation, "系统提示"
Else
MsgBox "连接建立失败！", vbOKOnly + vbInformation, "系统提示"
End If
Shell "rasdial" & Space(1) & sEntryName & Space(1) & sUsername & Space(1) & sPassword
Unload Me
End Sub
Function Create_PPPoE_Connection(ByVal sEntryName As String, ByVal sUsername As String, ByVal sPassword As String) As Boolean
Create_PPPoE_Connection = False
Dim re As RASENTRY
Dim sDeviceName As String, sDeviceType As String
sDeviceName = "WAN 微型端口 (PPPOE)"
sDeviceType = "PPPoE"
With re
.dwSize = LenB(re)
.dwCountryCode = 86
.dwCountryID = 86
.dwDialExtraPercent = 75
.dwDialExtraSampleSeconds = 120
.dwDialMode = 1
.dwEncryptionType = 3
.dwfNetProtocols = 4
.dwfOptions = 1024262928
.dwfOptions2 = 367
.dwFramingProtocol = 1
.dwHangUpExtraPercent = 10
.dwHangUpExtraSampleSeconds = 120
.dwRedialCount = 3
.dwRedialPause = 60
.dwType = RASET_Broadband
CopyMemory .szDeviceName(0), ByVal sDeviceName, Len(sDeviceName)
CopyMemory .szDeviceType(0), ByVal sDeviceType, Len(sDeviceType)
End With
Dim rc As RASCREDENTIALS
With rc
.dwSize = LenB(rc)
.dwMask = 11
CopyMemory .szUserName(0), ByVal sUsername, Len(sUsername)
CopyMemory .szPassword(0), ByVal sPassword, Len(sPassword)
End With
Dim rtn As Long
If RasSetEntryProperties(vbNullString, sEntryName, re, LenB(re), 0, 0) = 0 Then
If RasSetCredentials(vbNullString, sEntryName, rc, 0) = 0 Then
Create_PPPoE_Connection = True
End If
End If
End Function
Function Create_VPN_Connection(ByVal sEntryName As String, ByVal sServer As String, ByVal sUsername As String, ByVal sPassword As String) As Boolean
Create_VPN_Connection = False
Dim re As RASENTRY
Dim sDeviceName As String, sDeviceType As String
sDeviceName = "WAN 微型端口 (L2TP)"
sDeviceType = "vpn"
With re
.dwSize = LenB(re)
.dwCountryCode = 86
.dwCountryID = 86
.dwDialExtraPercent = 75
.dwDialExtraSampleSeconds = 120
.dwDialMode = 1
.dwfNetProtocols = 4
.dwfOptions = 1024262928
.dwfOptions2 = 367
.dwFramingProtocol = 1
.dwHangUpExtraPercent = 10
.dwHangUpExtraSampleSeconds = 120
.dwRedialCount = 3
.dwRedialPause = 60
.dwType = RASET_Vpn
CopyMemory .szDeviceName(0), ByVal sDeviceName, Len(sDeviceName)
CopyMemory .szDeviceType(0), ByVal sDeviceType, Len(sDeviceType)
CopyMemory .szLocalPhoneNumber(0), ByVal sServer, Len(sServer) '服务器地址
.dwVpnStrategy = VS_Default 'vpn类型
.dwEncryptionType = ET_Optional '数据加密类型
End With
Dim rc As RASCREDENTIALS
With rc
.dwSize = LenB(rc)
.dwMask = 11
CopyMemory .szUserName(0), ByVal sUsername, Len(sUsername)
CopyMemory .szPassword(0), ByVal sPassword, Len(sPassword)
End With
Dim rtn As Long
If RasSetEntryProperties(vbNullString, sEntryName, re, LenB(re), 0, 0) = 0 Then
If RasSetCredentials(vbNullString, sEntryName, rc, 0) = 0 Then
Create_VPN_Connection = True
End If
End If
End Function
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这个……做个记号。。。。
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请各位大侠进来讨论
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自已顶起来
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不懂 帮顶
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不懂 帮顶
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问题已解决，将
.dwVpnStrategy = VS_Default 'vpn类型
改为：
.dwVpnStrategy = 1
0--P2LT，1--PPTP
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但有新的问题，能够连接服务器端，却不能访问局域网。经检查，如果指定了VPN的IP地址就可以访问。问题来了，如何在VB里设置VPN的IP地址？
请大家继续讨论.....
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自已再次顶起来
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