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Author Topic: FBSL - getting DLL exported functions into a GUI interface  (Read 3612 times)

Gerome

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FBSL - getting DLL exported functions into a GUI interface
« on: February 09, 2006, 06:19:52 PM »
Hello,

Always dreamed about getting DLL exported functions ?

Here's the code to get'em :
'###################################
' Display DLL Exports
'###################################
Option Explicit
#DLLDECLARE imagehlp("ImageDirectoryEntryToData")
Dim $IMAGE_EXPORT_DIR,%BaseAddress,%pExportDirectory,%pSize
Dim $ExportNamePointerTable,$namefunc,%t,$filename
Dim %hList,$LV_ITEM,$sSave,%hStatus,%hMenu,%FileMenu,$filename,$divide

Begin Const
    ID_OPEN                      = 1001
    ID_EXIT                      = 1002
    LVSCW_AUTOSIZE               = -1
    LVS_LIST                     = 0x0003
    LVIF_TEXT                    = 0x1
    LVIF_IMAGE                   = 0x2
    LVS_REPORT                   = 0x0001
    LVS_TYPEMASK                 = 0x3
    LVS_EX_GRIDLINES             = 0x1
    LVS_EX_FULLROWSELECT         = 0x20
    LVS_EX_LABELTIP              = 0x00004000
    LVS_NOSORTHEADER             = 0x8000
    IMAGE_DIRECTORY_ENTRY_EXPORT = 0
End Const

Fbsl_Settext(Me,"DLL Exports")
hMenu = CreateMenu()
FileMenu = CreateMenu()
AppendMenu( FileMenu, MF_String,ID_OPEN, "&Open")
AppendMenu( FileMenu, MF_SEPARATOR,0, "")
AppendMenu( FileMenu, MF_String,ID_EXIT, "&Exit")
InsertMenu(hMenu,1,MF_PopUp, FileMenu, "&File")
SetMenu( Me,hMenu)

Alloc(LV_ITEM,36)
Alloc(IMAGE_EXPORT_DIR,40)
Alloc(ExportNamePointerTable,5120)
Alloc(namefunc,255)
Alloc(divide,12)
SetMem(LV_ITEM,LVIF_TEXT,0)

Resize(Me,0,0,420,420)
hList = FBSL_Control("SysListView32",Me,"",0,10,10,400,350,_
    WS_VISIBLE + WS_CHILD + LVS_LIST + LVS_TYPEMASK + LVS_NOSORTHEADER,WS_EX_STATICEDGE)
hStatus = FBSL_Control("msctls_statusbar32",Me,"",0,0,0,0,0,WS_VISIBLE + WS_CHILD,0)
FBSL_SetFont(hList,"Lucida Console",12,FW_NORMAL,0,0,0)

SendMessage(hList,LVM_SETCOLUMNWIDTH,0,LVSCW_AUTOSIZE)
SendMessage(hList,LVM_SETEXTENDEDLISTVIEWSTYLE,0,LVS_EX_LABELTIP )
SendMessage(hList,LVM_SETBKCOLOR,0,rgb(234,230,230))
SendMessage(hList,LVM_SETTEXTBKCOLOR,0,rgb(234,230,230))

SetMem(divide,250,0): SetMem(divide,420,4)
SendMessage(hStatus,SB_SETPARTS,2,divide)
ModStyle(Me,0,WS_SIZEBOX,0)
Center(Me): Show(Me)

Begin Events
    Select Case cbmsg
        Case WM_COMMAND
            If CBCTL = ID_OPEN Then
                SendMessage(hList,LVM_DELETEALLITEMS,0,0)
                filename = FBSL_GetFileName( "Open", "DLL File|*.dll", 0)
                BaseAddress = LoadLibrary(filename)
                pExportDirectory = ImageDirectoryEntryToData(BaseAddress,1,_
                                    IMAGE_DIRECTORY_ENTRY_EXPORT,@pSize)
                MemMove(IMAGE_EXPORT_DIR,pExportDirectory,40)
                Alloc(ExportNamePointerTable, GetMem(IMAGE_EXPORT_DIR,24,4) * 4)
                memmove(ExportNamePointerTable, BaseAddress + GetMem(IMAGE_EXPORT_DIR,32,4),_
                        GetMem(IMAGE_EXPORT_DIR,24,4) * 4)
                For t = 0 To GetMem(IMAGE_EXPORT_DIR,24,4) - 1
                    MemMove(namefunc,BaseAddress + GetMem(ExportNamePointerTable,t * 4,4),255)
                    SetMem(LV_ITEM,t,4)
                    SetMem(LV_ITEM,@namefunc,20)
                    SendMessage(hList,LVM_INSERTITEM,0,LV_ITEM)
                Next
                SendMessage(hStatus,SB_SETTEXT,0,filename)
                SendMessage(hStatus,SB_SETTEXT,1,"Number of Functions: " &_
                            GetMem(IMAGE_EXPORT_DIR,24,4))
                FreeLibrary(BaseAddress)
                Erase ExportNamePointerTable
        End If
        If CBCTL = ID_EXIT Then EXITPROGRAM(0)
    End Select
End Events

And here's a screenshot to see the result of the KERNEL32.DLL captured :


Enjoy ;)
Yours,
(¯`·._.·[Gerome GUILLEMIN]·._.·´¯)
http://www.fbsl.net [FBSL Author]
http://gedd123.free.fr/FBSLv3.zip [FBSL Help file]
(¯`·._.·[If you need help... just ask]·._.·´¯)