form1.frm

这是本人编写的一个类似于网吧管理软件

VERSION 5.00
Begin VB.Form Form1 
   AutoRedraw      =   -1  'True
   BorderStyle     =   0  'None
   Caption         =   "aaa"
   ClientHeight    =   3690
   ClientLeft      =   0
   ClientTop       =   105
   ClientWidth     =   4605
   ControlBox      =   0   'False
   KeyPreview      =   -1  'True
   LinkTopic       =   "Form1"
   ScaleHeight     =   3690
   ScaleWidth      =   4605
   ShowInTaskbar   =   0   'False
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3 
      Caption         =   "显示"
      Height          =   495
      Left            =   3240
      TabIndex        =   8
      Top             =   2280
      Width           =   1215
   End
   Begin VB.CommandButton Command2 
      Caption         =   "重置"
      Enabled         =   0   'False
      Height          =   495
      Left            =   3240
      TabIndex        =   7
      Top             =   1560
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   495
      Left            =   3360
      TabIndex        =   6
      Top             =   480
      Width           =   1215
   End
   Begin VB.TextBox Text3 
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   1560
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   2160
      Width           =   1215
   End
   Begin VB.TextBox Text2 
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   1560
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1440
      Width           =   1215
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   1560
      TabIndex        =   0
      Top             =   480
      Width           =   1215
   End
   Begin VB.Label Label3 
      Caption         =   "管理："
      Height          =   495
      Left            =   360
      TabIndex        =   5
      Top             =   2400
      Width           =   1215
   End
   Begin VB.Label Label2 
      Caption         =   "用户名："
      Height          =   495
      Left            =   360
      TabIndex        =   4
      Top             =   600
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "密码："
      Height          =   495
      Left            =   360
      TabIndex        =   3
      Top             =   1440
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Const STATUS_INFO_LENGTH_MISMATCH = &HC0000004
Private Const STATUS_ACCESS_DENIED = &HC0000022
Private Const STATUS_INVALID_HANDLE = &HC0000008
Private Const ERROR_SUCCESS = 0&
Private Const SECTION_MAP_WRITE = &H2
Private Const SECTION_MAP_READ = &H4
Private Const READ_CONTROL = &H20000
Private Const WRITE_DAC = &H40000
Private Const NO_INHERITANCE = 0
Private Const DACL_SECURITY_INFORMATION = &H4

Private Type IO_STATUS_BLOCK
    Status As Long
    Information As Long
End Type

Private Type UNICODE_STRING
    Length As Integer
    MaximumLength As Integer
    buffer As Long
End Type

Private Const OBJ_INHERIT = &H2
Private Const OBJ_PERMANENT = &H10
Private Const OBJ_EXCLUSIVE = &H20
Private Const OBJ_CASE_INSENSITIVE = &H40
Private Const OBJ_OPENIF = &H80
Private Const OBJ_OPENLINK = &H100
Private Const OBJ_KERNEL_HANDLE = &H200
Private Const OBJ_VALID_ATTRIBUTES = &H3F2

Private Type OBJECT_ATTRIBUTES
    Length As Long
    RootDirectory As Long
    ObjectName As Long
    Attributes As Long
    SecurityDeor As Long
    SecurityQualityOfService As Long
End Type

Private Type ACL
    AclRevision As Byte
    Sbz1 As Byte
    AclSize As Integer
    AceCount As Integer
    Sbz2 As Integer
End Type

Private Enum ACCESS_MODE
    NOT_USED_ACCESS
    GRANT_ACCESS
    SET_ACCESS
    DENY_ACCESS
    REVOKE_ACCESS
    SET_AUDIT_SUCCESS
    SET_AUDIT_FAILURE
End Enum

Private Enum MULTIPLE_TRUSTEE_OPERATION
  NO_MULTIPLE_TRUSTEE
  TRUSTEE_IS_IMPERSONATE
End Enum

Private Enum TRUSTEE_FORM
  TRUSTEE_IS_SID
  TRUSTEE_IS_NAME
End Enum

Private Enum TRUSTEE_TYPE
  TRUSTEE_IS_UNKNOWN
  TRUSTEE_IS_USER
  TRUSTEE_IS_GROUP
End Enum

Private Type TRUSTEE
  pMultipleTrustee            As Long
  MultipleTrusteeOperation    As MULTIPLE_TRUSTEE_OPERATION
  TrusteeForm                 As TRUSTEE_FORM
  TrusteeType                 As TRUSTEE_TYPE
  ptstrName                   As String
End Type

Private Type EXPLICIT_ACCESS
  grfAccessPermissions        As Long
  grfAccessMode               As ACCESS_MODE
  grfInheritance              As Long
  TRUSTEE                     As TRUSTEE
End Type

Private Type AceArray
  List() As EXPLICIT_ACCESS
End Type

Private Enum SE_OBJECT_TYPE
    SE_UNKNOWN_OBJECT_TYPE = 0
    SE_FILE_OBJECT
    SE_SERVICE
    SE_PRINTER
    SE_REGISTRY_KEY
    SE_LMSHARE
    SE_KERNEL_OBJECT
    SE_WINDOW_OBJECT
    SE_DS_OBJECT
    SE_DS_OBJECT_ALL
    SE_PROVIDER_DEFINED_OBJECT
    SE_WMIGUID_OBJECT
End Enum

Private Declare Function SetSecurityInfo Lib "advapi32.dll" (ByVal Handle As Long, ByVal ObjectType As SE_OBJECT_TYPE, ByVal SecurityInfo As Long, ppsidOwner As Long, ppsidGroup As Long, ppDacl As Any, ppSacl As Any) As Long
Private Declare Function GetSecurityInfo Lib "advapi32.dll" (ByVal Handle As Long, _
                                                            ByVal ObjectType As SE_OBJECT_TYPE, ByVal SecurityInfo As Long, ppsidOwner As Long, ppsidGroup As Long, ppDacl As Any, ppSacl As Any, ppSecurityDeor As Long) As Long
                                                            
Private Declare Function SetEntriesInAcl Lib "advapi32.dll" Alias "SetEntriesInAclA" (ByVal cCountOfExplicitEntries As Long, pListOfExplicitEntries As EXPLICIT_ACCESS, ByVal OldAcl As Long, NewAcl As Long) As Long
Private Declare Sub BuildExplicitAccessWithName Lib "advapi32.dll" Alias "BuildExplicitAccessWithNameA" (pExplicitAccess As EXPLICIT_ACCESS, ByVal pTrusteeName As String, ByVal AccessPermissions As Long, ByVal AccessMode As ACCESS_MODE, ByVal Inheritance As Long)
                                                        
Private Declare Sub RtlInitUnicodeString Lib "NTDLL.DLL" (DestinationString As UNICODE_STRING, ByVal SourceString As Long)
Private Declare Function ZwOpenSection Lib "NTDLL.DLL" (SectionHandle As Long, ByVal DesiredAccess As Long, ObjectAttributes As Any) As Long
Private Declare Function LocalFree Lib "kernel32" (ByVal hMem As Any) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Declare Function MapViewOfFile Lib "kernel32" (ByVal hFileMappingObject As Long, ByVal dwDesiredAccess As Long, ByVal dwFileOffsetHigh As Long, ByVal dwFileOffsetLow As Long, ByVal dwNumberOfBytesToMap As Long) As Long
Private Declare Function UnmapViewOfFile Lib "kernel32" (lpBaseAddress As Any) As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private g_hNtDLL As Long
Private g_pMapPhysicalMemory As Long
Private g_hMPM As Long
Dim aByte(3) As Byte

'=========Checking OS staff=============
Private Type OSVERSIONINFO
    dwOSVersionInfoSize As Long
    dwMajorVersion As Long
    dwMinorVersion As Long
    dwBuildNumber As Long
    dwPlatformId As Long
    szCSDVersion As String * 128
End Type
Private Declare Function GetVersionEx Lib "kernel32" Alias "GetVersionExA" _
(lpVersionInformation As OSVERSIONINFO) As Long
   Dim verinfo As OSVERSIONINFO


Private Sub SetPhyscialMemorySectionCanBeWrited(ByVal hSection As Long)
    Dim pDacl As Long
    Dim pNewDacl As Long
    Dim pSD As Long
    Dim dwRes As Long
    Dim ea As EXPLICIT_ACCESS
    
    GetSecurityInfo hSection, SE_KERNEL_OBJECT, _
                                DACL_SECURITY_INFORMATION, _
                                0, 0, pDacl, 0, pSD
         
    ea.grfAccessPermissions = SECTION_MAP_WRITE
    ea.grfAccessMode = GRANT_ACCESS
    ea.grfInheritance = NO_INHERITANCE
    ea.TRUSTEE.TrusteeForm = TRUSTEE_IS_NAME
    ea.TRUSTEE.TrusteeType = TRUSTEE_IS_USER
    ea.TRUSTEE.ptstrName = "CURRENT_USER" & vbNullChar

    SetEntriesInAcl 1, ea, pDacl, pNewDacl
    
    SetSecurityInfo hSection, SE_KERNEL_OBJECT, _
                                 DACL_SECURITY_INFORMATION, _
                                  0, 0, ByVal pNewDacl, 0
                                
CleanUp:
    LocalFree pSD
    LocalFree pNewDacl
End Sub