msgipscan.bas

vb做的数据库 客户管理系统

Attribute VB_Name = "msgIPScan"

Option Explicit

'扫描局域网内所有计算机 申明开始
'----------------------------------------------------------------------------------------------------

Public isScanIP As Boolean


Private Const RESOURCE_CONNECTED As Long = &H1&
Private Const RESOURCE_GLOBALNET As Long = &H2&
Private Const RESOURCE_REMEMBERED As Long = &H3&

Private Const RESOURCEDISPLAYTYPE_DIRECTORY& = &H9
Private Const RESOURCEDISPLAYTYPE_DOMAIN& = &H1
Private Const RESOURCEDISPLAYTYPE_FILE& = &H4
Private Const RESOURCEDISPLAYTYPE_GENERIC& = &H0
Private Const RESOURCEDISPLAYTYPE_GROUP& = &H5
Private Const RESOURCEDISPLAYTYPE_NETWORK& = &H6
Private Const RESOURCEDISPLAYTYPE_ROOT& = &H7
Private Const RESOURCEDISPLAYTYPE_SERVER& = &H2
Private Const RESOURCEDISPLAYTYPE_SHARE& = &H3
Private Const RESOURCEDISPLAYTYPE_SHAREADMIN& = &H8
Private Const RESOURCETYPE_ANY As Long = &H0&
Private Const RESOURCETYPE_DISK As Long = &H1&
Private Const RESOURCETYPE_PRINT As Long = &H2&
Private Const RESOURCETYPE_UNKNOWN As Long = &HFFFF&
Private Const RESOURCEUSAGE_ALL As Long = &H0&
Private Const RESOURCEUSAGE_CONNECTABLE As Long = &H1&
Private Const RESOURCEUSAGE_CONTAINER As Long = &H2&
Private Const RESOURCEUSAGE_RESERVED As Long = &H80000000
Private Const NO_ERROR = 0
Private Const ERROR_MORE_DATA = 234 'L    // dderror
Private Const RESOURCE_ENUM_ALL As Long = &HFFFF
Private Type NETRESOURCE
    dwScope As Long
    dwType As Long
    dwDisplayType As Long
    dwUsage As Long
    pLocalName As Long
    pRemoteName As Long
    pComment As Long
    pProvider As Long
End Type
Private Type NETRESOURCE_REAL
    dwScope As Long
    dwType As Long
    dwDisplayType As Long
    dwUsage As Long
    sLocalName As String
    sRemoteName As String
    sComment As String
    sProvider As String
End Type

Type ArrClickList                                   '保存暂时计算机名、资源名，以便点击后链接
    ClkValue As String      '计算机名、共享文件夹名（包括完整路径）
    isEnabled As Boolean    '是否是计算机名、共享文件夹名
End Type


Private Declare Function WNetAddConnection2 Lib "mpr.dll" Alias "WNetAddConnection2A" (lpNetResource As NETRESOURCE, ByVal lpPassword As String, ByVal lpUserName As String, ByVal dwFlags As Long) As Long
Private Declare Function WNetOpenEnum Lib "mpr.dll" Alias "WNetOpenEnumA" (ByVal dwScope As Long, ByVal dwType As Long, ByVal dwUsage As Long, lpNetResource As Any, lphEnum As Long) As Long
Private Declare Function WNetEnumResource Lib "mpr.dll" Alias "WNetEnumResourceA" (ByVal hEnum As Long, lpcCount As Long, lpBuffer As NETRESOURCE, lpBufferSize As Long) As Long
Private Declare Function WNetCloseEnum Lib "mpr.dll" (ByVal hEnum As Long) As Long
Private Declare Function VarPtrAny Lib "vb40032.dll" Alias "VarPtr" (lpObject As Any) As Long
Private Declare Sub CopyMem Lib "kernel32" Alias "RtlMoveMemory" (lpTo As Any, lpFrom As Any, ByVal lLen As Long)
Private Declare Sub CopyMemByPtr Lib "kernel32" Alias "RtlMoveMemory" (ByVal lpTo As Long, ByVal lpFrom As Long, ByVal lLen As Long)
Private Declare Function lstrcpy Lib "kernel32" Alias "lstrcpyA" (ByVal lpString1 As String, ByVal lpString2 As Any) As Long
Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Any) As Long



Global MyList() As ArrClickList      '保存计算机名、共享文件夹路径

'获得指定计算机 IP 的申明
'----------------------------------------------------------------------------------------------------
Private Const SOCKET_ERROR As Long = -1
Private Const MAX_WSADescription = 256
Private Const MAX_WSASYSStatus = 128
Private Const ERROR_SUCCESS       As Long = 0
Private Const WS_VERSION_REQD     As Long = &H101
Private Const MIN_SOCKETS_REQD    As Long = 1
Private Const WS_VERSION_MAJOR    As Long = WS_VERSION_REQD \ &H100 And &HFF&
Private Const WS_VERSION_MINOR    As Long = WS_VERSION_REQD And &HFF&

Private Type HOSTENT
    hName      As Long
    hAliases   As Long
    hAddrType  As Integer
    hLen       As Integer
    hAddrList  As Long
End Type

Private Type WSADATA
    wVersion      As Integer
    wHighVersion  As Integer
    szDescription(0 To MAX_WSADescription)   As Byte
    szSystemStatus(0 To MAX_WSASYSStatus)    As Byte
    wMaxSockets   As Integer
    wMaxUDPDG     As Integer
    dwVendorInfo  As Long
End Type

Private Declare Function gethostname Lib "WSOCK32.DLL" (ByVal szHost As String, ByVal dwHostLen As Long) As Long
Private Declare Function gethostbyname Lib "WSOCK32.DLL" (ByVal szHost As String) As Long
Private Declare Function WSAStartup Lib "WSOCK32.DLL" (ByVal wVersionRequired As Long, lpWSADATA As WSADATA) As Long
Private Declare Function WSAGetLastError Lib "WSOCK32.DLL" () As Long
Private Declare Function WSACleanup Lib "WSOCK32.DLL" () As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)

'----------------------------------------------------------------------------------------------------
'获得指定计算机 IP 的申明 结束






Sub Main()
    Dim ResultTxt As String         '暂时保存扫描结果的变量
    Dim ResultTxtRec As String      '暂时保存扫描结果，然后等待保存到文件的
    Dim tmp As String
    Dim ComputerName As String      '扫描到的计算机名
    Dim ComputerNameLen As Long     '计算机名的长度
    Dim ComputerIP As String        '扫描到的计算机对应的 IP
    Dim MyTable As String           '计算机名和 IP 之间的空
    Dim WhichToScan As Boolean      '扫描条件
    Dim WorkGroupNum As Long        '工作组的个数
    Dim ComputerNum As Long         '扫描到的计算机的个数
    Dim ShareNum As Long            '共享资源的个数



    Const MAX_RESOURCES = 256
    Const NOT_A_CONTAINER = -1

    Dim bFirstTime As Boolean
    Dim lReturn As Long
    Dim hEnum As Long
    Dim lCount As Long
    Dim lMin As Long
    Dim lLength As Long
    Dim l As Long
    Dim lBufferSize As Long
    Dim lLastIndex As Long
    Dim uNetApi(0 To MAX_RESOURCES) As NETRESOURCE
    Dim uNet() As NETRESOURCE_REAL


    '检测是否扫描共享资源
    Dim isScanShare As Boolean
    If frmGetIP.isScanShareCheck.Value = 1 Then
            isScanShare = True
    Else
            isScanShare = False
    End If


    bFirstTime = True
    Do
        If bFirstTime Then
            lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_ALL, ByVal 0&, hEnum)
            bFirstTime = False
        Else
            If uNet(lLastIndex).dwUsage And RESOURCEUSAGE_CONTAINER Then
                lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_ALL, uNet(lLastIndex), hEnum)
            Else
                lReturn = NOT_A_CONTAINER
                hEnum = 0
            End If
                lLastIndex = lLastIndex + 1
        End If
        If lReturn = NO_ERROR Then
            lCount = RESOURCE_ENUM_ALL
            Do
                lBufferSize = UBound(uNetApi) * Len(uNetApi(0)) / 2
                lReturn = WNetEnumResource(hEnum, lCount, uNetApi(0), lBufferSize)
                If lCount > 0 Then
                    ReDim Preserve uNet(0 To lMin + lCount - 1) As NETRESOURCE_REAL
                    For l = 0 To lCount - 1
                        'Each Resource will appear here as uNet(i)
                        uNet(lMin + l).dwScope = uNetApi(l).dwScope
                        uNet(lMin + l).dwType = uNetApi(l).dwType
                        uNet(lMin + l).dwDisplayType = uNetApi(l).dwDisplayType
                        uNet(lMin + l).dwUsage = uNetApi(l).dwUsage
                        If uNetApi(l).pLocalName Then
                            lLength = lstrlen(uNetApi(l).pLocalName)
                            uNet(lMin + l).sLocalName = Space$(lLength)
                            CopyMem ByVal uNet(lMin + l).sLocalName, ByVal uNetApi(l).pLocalName, lLength
                        End If
                        If uNetApi(l).pRemoteName Then
                            lLength = lstrlen(uNetApi(l).pRemoteName)
                            uNet(lMin + l).sRemoteName = Space$(lLength)
                            CopyMem ByVal uNet(lMin + l).sRemoteName, ByVal uNetApi(l).pRemoteName, lLength
                        End If
                        If uNetApi(l).pComment Then
                            lLength = lstrlen(uNetApi(l).pComment)
                            uNet(lMin + l).sComment = Space$(lLength)
                            CopyMem ByVal uNet(lMin + l).sComment, ByVal uNetApi(l).pComment, lLength
                        End If
                        If uNetApi(l).pProvider Then
                            lLength = lstrlen(uNetApi(l).pProvider)
                            uNet(lMin + l).sProvider = Space$(lLength)
                            CopyMem ByVal uNet(lMin + l).sProvider, ByVal uNetApi(l).pProvider, lLength
                        End If
                    Next l
                End If
                lMin = lMin + lCount
            Loop While lReturn = ERROR_MORE_DATA
        End If
        If hEnum Then
            l = WNetCloseEnum(hEnum)
        End If
    Loop While lLastIndex < lMin



    If UBound(uNet) > 0 Then
        ReDim Preserve MyList(0 To UBound(uNet) + 6) As ArrClickList

        For l = 0 To UBound(uNet)
            Select Case uNet(l).dwDisplayType
                Case RESOURCEDISPLAYTYPE_DIRECTORY&
                        Debug.Print "Directory...",
                Case RESOURCEDISPLAYTYPE_DOMAIN
                        WorkGroupNum = WorkGroupNum + 1      '工作组的个数
                        Debug.Print "Domain...",
                Case RESOURCEDISPLAYTYPE_FILE
                        Debug.Print "File...",
                Case RESOURCEDISPLAYTYPE_GENERIC
                        Debug.Print "Generic...",
                Case RESOURCEDISPLAYTYPE_GROUP
                        Debug.Print "Group...",
                Case RESOURCEDISPLAYTYPE_NETWORK&
                        Debug.Print "Network...",
                Case RESOURCEDISPLAYTYPE_ROOT&
                        Debug.Print "Root...",
                Case RESOURCEDISPLAYTYPE_SERVER
                        ComputerNum = ComputerNum + 1   '计算机
                        Debug.Print "Server...",
                Case RESOURCEDISPLAYTYPE_SHARE          '共享文件夹
                        ShareNum = ShareNum + 1
                        Debug.Print "Share...",
                Case RESOURCEDISPLAYTYPE_SHAREADMIN&
                        Debug.Print "ShareAdmin...",