在网上找到有VB实现的,但就是没有C#的。 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 TypePrivate Type RASIPADDR a As Byte b As Byte c As Byte d As Byte End TypePrivate 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 TypePrivate Type RASCREDENTIALS dwSize As Long dwMask As Long szUserName(256) As Byte szPassword(256) As Byte szDomain(15) As Byte End TypePrivate 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 LongPrivate Sub Command1_Click() Dim sEntryName As String, sUsername As String, sPassword As String sEntryName = "VPN" sUsername = "super" sPassword = "greenbean" If Create_PPPoE_Connection("VPN", sEntryName, sUsername, sPassword) Then MsgBox "连接建立成功!" Else MsgBox "连接建立失败!" End If End SubFunction Create_PPPoE_Connection(ByVal sDeviceType As String, 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 (PPTP)"
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
操作一些底层的协议吧
可能需要c/c++来组底层vpn通讯,C#来调用.
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 TypePrivate Type RASIPADDR
a As Byte
b As Byte
c As Byte
d As Byte
End TypePrivate 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 TypePrivate Type RASCREDENTIALS
dwSize As Long
dwMask As Long
szUserName(256) As Byte
szPassword(256) As Byte
szDomain(15) As Byte
End TypePrivate 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 LongPrivate Sub Command1_Click()
Dim sEntryName As String, sUsername As String, sPassword As String sEntryName = "VPN"
sUsername = "super"
sPassword = "greenbean" If Create_PPPoE_Connection("VPN", sEntryName, sUsername, sPassword) Then
MsgBox "连接建立成功!"
Else
MsgBox "连接建立失败!"
End If
End SubFunction Create_PPPoE_Connection(ByVal sDeviceType As String, 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 (PPTP)"
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 = 5 '3 直连4 管理5 宽带7 普通
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