src/WINNT/client_exp/shell_ext.cpp

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afxpriv.h>
  11 #include "stdafx.h"
  12 #include <winsock2.h>
  13 #include <ws2tcpip.h>
  14
  15 extern "C" {
  16 #include <afs/param.h>
  17 #include <afs/stds.h>
  18 }
  19
  20 #include <atlconv.h>
  21 #include <sys/types.h>
  22 #include <sys/stat.h>
  23 #include "afs_shl_ext.h"
  24 #include "shell_ext.h"
  25 #include "volume_info.h"
  26 #include "set_afs_acl.h"
  27 #include "gui2fs.h"
  28 #include "make_mount_point_dlg.h"
  29 #include "msgs.h"
  30 #include "server_status_dlg.h"
  31 #include "auth_dlg.h"
  32 #include "submounts_dlg.h"
  33 #include "make_symbolic_link_dlg.h"
  34 #include <WINNT\afsreg.h>
  35
  36 #ifdef _DEBUG
  37 #define new DEBUG_NEW
  38 #undef THIS_FILE
  39 static char THIS_FILE[] = __FILE__;
  40 #endif
  41
  42
  43 ULONG nCMRefCount = 0;  // IContextMenu ref count
  44 ULONG nSERefCount = 0;  // IShellExtInit ref count
  45 ULONG nICRefCount=0;
  46 ULONG nTPRefCount=0;
  47 ULONG nXPRefCount=0;
  48
  49 #define MAXSIZE 2048 /* most I'll get back from PIOCTL */
  50 #define PCCHAR(str)     ((char *)(const char *)str)
  51 static char space[MAXSIZE];
  52
  53 static BOOL IsADir(const CString& strName)
  54 {
  55         struct _stat statbuf;
  56
  57         if (_stat(strName, &statbuf) < 0)
  58                 return FALSE;
  59
  60         return statbuf.st_mode & _S_IFDIR;
  61 }
  62
  63 /////////////////////////////////////////////////////////////////////////////
  64 // CShellExt
  65
  66 IMPLEMENT_DYNCREATE(CShellExt, CCmdTarget)
  67 #define REG_CLIENT_PARMS_KEY    "SYSTEM\\CurrentControlSet\\Services\\TransarcAFSDaemon\\Parameters"
  68 #define OVERLAYENABLED 1
  69
  70 CShellExt::CShellExt()
  71 {
  72         HKEY NPKey;
  73         EnableAutomation();
  74         nCMRefCount++;
  75         HRESULT hr;
  76         UINT code;
  77         DWORD ShellOption,LSPsize,LSPtype;
  78         hr = SHGetMalloc(&m_pAlloc);
  79         m_bIsOverlayEnabled=FALSE;
  80         if (FAILED(hr))
  81                 m_pAlloc = NULL;
  82         RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,0, KEY_QUERY_VALUE, &NPKey);
  83         LSPsize=sizeof(ShellOption);
  84         code=RegQueryValueEx(NPKey, "ShellOption", NULL,
  85                              &LSPtype, (LPBYTE)&ShellOption, &LSPsize);
  86         RegCloseKey (NPKey);
  87         m_bIsOverlayEnabled=((code==0) && (LSPtype==REG_DWORD) && ((ShellOption & OVERLAYENABLED)!=0));
  88         TRACE("Create CShellExt, Ref count %d/n",nCMRefCount);
  89 }
  90
  91 CShellExt::~CShellExt()
  92 {
  93         if(m_pAlloc) m_pAlloc->Release();
  94         nCMRefCount--;
  95         TRACE("Destroy CShellExt, Ref count %d/n",nCMRefCount);
  96 }
  97
  98
  99 void CShellExt::OnFinalRelease()
 100 {
 101         // When the last reference for an automation object is released
 102         // OnFinalRelease is called.  The base class will automatically
 103         // deletes the object.  Add additional cleanup required for your
 104         // object before calling the base class.
 105
 106         CCmdTarget::OnFinalRelease();
 107 }
 108
 109
 110 BEGIN_MESSAGE_MAP(CShellExt, CCmdTarget)
 111         //{{AFX_MSG_MAP(CShellExt)
 112                 // NOTE - the ClassWizard will add and remove mapping macros here.
 113         //}}AFX_MSG_MAP
 114 END_MESSAGE_MAP()
 115
 116 BEGIN_DISPATCH_MAP(CShellExt, CCmdTarget)
 117         //{{AFX_DISPATCH_MAP(CShellExt)
 118                 // NOTE - the ClassWizard will add and remove mapping macros here.
 119         //}}AFX_DISPATCH_MAP
 120 END_DISPATCH_MAP()
 121
 122 // Note: we add support for IID_IShellExt to support typesafe binding
 123 //  from VBA.  This IID must match the GUID that is attached to the
 124 //  dispinterface in the .ODL file.
 125
 126 // {DC515C27-6CAC-11D1-BAE7-00C04FD140D2}
 127 static const IID IID_IShellExt =
 128 { 0xdc515c27, 0x6cac, 0x11d1, { 0xba, 0xe7, 0x0, 0xc0, 0x4f, 0xd1, 0x40, 0xd2 } };
 129
 130 BEGIN_INTERFACE_MAP(CShellExt, CCmdTarget)
 131         INTERFACE_PART(CShellExt, IID_IShellExt, Dispatch)
 132     INTERFACE_PART(CShellExt, IID_IContextMenu, MenuExt)
 133     INTERFACE_PART(CShellExt, IID_IShellExtInit, ShellInit)
 134         INTERFACE_PART(CShellExt, IID_IShellIconOverlayIdentifier, IconExt)
 135         INTERFACE_PART(CShellExt, IID_IQueryInfo , ToolTipExt)
 136         INTERFACE_PART(CShellExt, IID_IPersistFile , PersistFileExt)
 137 END_INTERFACE_MAP()
 138
 139 IMPLEMENT_OLECREATE(CShellExt, STR_EXT_TITLE, 0xdc515c27, 0x6cac, 0x11d1, 0xba, 0xe7, 0x0, 0xc0, 0x4f, 0xd1, 0x40, 0xd2)
 140
 141
 142 /////////////////////////////////////////////////////////////////////////////
 143 // CShellExt message handlers
 144 /////////////////////////////////////////////////////////////////////////////
 145
 146
 147 /////////////////////////////////////////////////////////////////////////////
 148 // IUnknown for IContextMenu
 149 /////////////////////////////////////////////////////////////////////////////
 150 STDMETHODIMP CShellExt::XMenuExt::QueryInterface(REFIID riid, void** ppv)
 151 {
 152     METHOD_PROLOGUE(CShellExt, MenuExt);
 153
 154     return pThis->ExternalQueryInterface(&riid, ppv);
 155 }
 156
 157 STDMETHODIMP_(ULONG) CShellExt::XMenuExt::AddRef(void)
 158 {
 159         return ++nCMRefCount;
 160 }
 161
 162 STDMETHODIMP_(ULONG) CShellExt::XMenuExt::Release(void)
 163 {
 164         if (nCMRefCount > 0)
 165                 nCMRefCount--;
 166
 167         return nCMRefCount;
 168 }
 169
 170 /////////////////////////////////////////////////////////////////////////////
 171 // IConextMenu Functions
 172 /////////////////////////////////////////////////////////////////////////////
 173 STDMETHODIMP CShellExt::XMenuExt::QueryContextMenu(HMENU hMenu,UINT indexMenu,
 174     UINT idCmdFirst, UINT idCmdLast,UINT uFlags)
 175 {
 176     METHOD_PROLOGUE(CShellExt, MenuExt);
 177
 178         // Don't add any menu items if we're being asked to deal with this file as a shortcut.
 179         if (uFlags & CMF_VERBSONLY)
 180                 return MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL, (USHORT)0);
 181
 182         // Check to see if there's already an AFS menu here; if so, remove it
 183         int nItemsNow = GetMenuItemCount (hMenu);
 184         CString strAfsItemText = GetMessageString(IDS_AFS_ITEM);
 185         LPCTSTR pszAfsItemText = (LPCTSTR)strAfsItemText;
 186         for (int iItem = 0; iItem < nItemsNow; iItem++) {
 187                 TCHAR szItemText[256];
 188                 if (!GetMenuString (hMenu, iItem, szItemText, 256, MF_BYPOSITION))
 189                         continue;
 190                 if (!lstrcmp (szItemText, pszAfsItemText)) {
 191                         DeleteMenu (hMenu, iItem, MF_BYPOSITION);
 192                         continue;
 193                 }
 194                 if ((!lstrcmp(szItemText,"&Delete"))&&(pThis->m_bIsSymlink)) {  /*this is a symlink - don't present a delete menu!*/
 195                         DeleteMenu (hMenu, iItem, MF_BYPOSITION);
 196                         continue;
 197                 }
 198                 if ((!lstrcmp(szItemText,"Cu&t"))&&(pThis->m_bIsSymlink)) {             /*same for cut*/
 199                         DeleteMenu (hMenu, iItem, MF_BYPOSITION);
 200                         continue;
 201                 }
 202         }
 203         int indexShellMenu = 0;
 204
 205         // Create the AFS submenu using the allowed ID's.
 206         HMENU hAfsMenu = CreatePopupMenu();
 207         int indexAfsMenu = 0;
 208
 209         // The Authentication item has been removed from the AFS menu because
 210         // there is now a tray icon to handle authentication.
 211         //
 212         //::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_AUTHENTICATION, GetMessageString(IDS_AUTHENTICATION_ITEM));
 213
 214         // Only enable the ACL menu item if a single directory is selected
 215         int nSingleDirOnly = MF_GRAYED;
 216         if (pThis->m_bDirSelected && (pThis->m_astrFileNames.GetSize() == 1))
 217                 nSingleDirOnly = MF_ENABLED;
 218         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION | nSingleDirOnly, idCmdFirst + IDM_ACL_SET, GetMessageString(IDS_ACLS_ITEM));
 219
 220         // Volume/Partition submenu of the AFS submenu
 221         HMENU hVolPartMenu = CreatePopupMenu();
 222         int indexVolPartMenu = 0;
 223         ::InsertMenu(hVolPartMenu, indexVolPartMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_VOLUME_PROPERTIES, GetMessageString(IDS_VOL_PART_PROPS_ITEM));
 224         ::InsertMenu(hVolPartMenu, indexVolPartMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_VOLUMEPARTITION_UPDATENAMEIDTABLE, GetMessageString(IDS_VOL_PART_REFRESH_ITEM));
 225         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION | MF_POPUP, (UINT)hVolPartMenu, GetMessageString(IDS_VOL_PART_ITEM));
 226
 227         // Mount Point submenu of the AFS submenu
 228         HMENU hMountPointMenu = CreatePopupMenu();
 229         int indexMountPointMenu = 0;
 230         int nMountPointSelected = MF_GRAYED;
 231         for (int n = pThis->m_astrFileNames.GetSize() - 1 ; n >= 0; n--) {
 232             if ( IsMountPoint(pThis->m_astrFileNames[n]) ) {
 233                 nMountPointSelected = MF_ENABLED;
 234                 break;
 235             }
 236         }
 237         ::InsertMenu(hMountPointMenu, indexMountPointMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_MOUNTPOINT_SHOW, GetMessageString(IDS_MP_SHOW_ITEM));
 238         ::InsertMenu(hMountPointMenu, indexMountPointMenu++, MF_STRING | MF_BYPOSITION | nMountPointSelected, idCmdFirst + IDM_MOUNTPOINT_REMOVE, GetMessageString(IDS_MP_REMOVE_ITEM));
 239         ::InsertMenu(hMountPointMenu, indexMountPointMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_MOUNTPOINT_MAKE, GetMessageString(IDS_MP_MAKE_ITEM));
 240         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION | MF_POPUP, (UINT)hMountPointMenu, GetMessageString(IDS_MOUNT_POINT_ITEM));
 241
 242         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_FLUSH, GetMessageString(IDS_FLUSH_FILE_DIR_ITEM));
 243         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_FLUSH_VOLUME, GetMessageString(IDS_FLUSH_VOLUME_ITEM));
 244         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_SHOW_SERVER, GetMessageString(IDS_SHOW_FILE_SERVERS_ITEM));
 245         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_SHOWCELL, GetMessageString(IDS_SHOW_CELL_ITEM));
 246         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_SERVER_STATUS, GetMessageString(IDS_SHOW_SERVER_STATUS_ITEM));
 247
 248     HMENU hSymbolicMenu = CreatePopupMenu();
 249         int indexSymbolicMenu = 0;
 250     ::InsertMenu(hSymbolicMenu, indexSymbolicMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_SYMBOLICLINK_ADD, GetMessageString(IDS_SYMBOLICLINK_ADD));
 251     // ::InsertMenu(hSymbolicMenu, indexSymbolicMenu, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_SYMBOLICLINK_EDIT, GetMessageString(IDS_SYMBOLICLINK_EDIT));
 252         // ::EnableMenuItem(hSymbolicMenu,indexSymbolicMenu++,((pThis->m_bIsSymlink)?MF_ENABLED:MF_GRAYED)|MF_BYPOSITION);
 253         ::InsertMenu(hSymbolicMenu, indexSymbolicMenu, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_SYMBOLICLINK_REMOVE, GetMessageString(IDS_SYMBOLICLINK_REMOVE));
 254         ::EnableMenuItem(hSymbolicMenu,indexSymbolicMenu++,((pThis->m_bIsSymlink)?MF_ENABLED:MF_GRAYED)|MF_BYPOSITION);
 255         ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION | MF_POPUP, (UINT)hSymbolicMenu, GetMessageString(IDS_SYMBOLIC_LINK_ITEM));
 256
 257         // The Submounts menu has been removed because the AFS tray icon
 258         // and control panel now support mapping drives directly to an AFS
 259         // path.
 260         //
 261         // HMENU hSubmountMenu = CreatePopupMenu();
 262         // int indexSubmountMenu = 0;
 263         // ::InsertMenu(hSubmountMenu, indexSubmountMenu++, MF_STRING | MF_BYPOSITION | nSingleDirOnly, idCmdFirst + IDM_SUBMOUNTS_CREATE, GetMessageString(IDS_SUBMOUNTS_CREATE_ITEM));
 264         // ::InsertMenu(hSubmountMenu, indexSubmountMenu++, MF_STRING | MF_BYPOSITION, idCmdFirst + IDM_SUBMOUNTS_EDIT, GetMessageString(IDS_SUBMOUNTS_EDIT_ITEM));
 265         // ::InsertMenu(hAfsMenu, indexAfsMenu++, MF_STRING | MF_BYPOSITION | MF_POPUP, (UINT)hSubmountMenu, GetMessageString(IDS_SUBMOUNTS_ITEM));
 266
 267         // Add a separator
 268         ::InsertMenu (hMenu, indexMenu + indexShellMenu++, MF_STRING | MF_BYPOSITION | MF_SEPARATOR, 0, TEXT(""));
 269
 270         // Add the AFS submenu to the shell's menu
 271         ::InsertMenu(hMenu, indexMenu + indexShellMenu++, MF_STRING | MF_BYPOSITION | MF_POPUP, (UINT)hAfsMenu, GetMessageString(IDS_AFS_ITEM));
 272
 273         // Add a separator after us
 274         ::InsertMenu (hMenu, indexMenu + indexShellMenu++, MF_STRING | MF_BYPOSITION | MF_SEPARATOR, 0, TEXT(""));
 275
 276     return MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL,
 277                         (USHORT)indexAfsMenu + indexVolPartMenu + indexMountPointMenu + indexShellMenu + indexSymbolicMenu);
 278 }
 279
 280 STDMETHODIMP CShellExt::XMenuExt::InvokeCommand(LPCMINVOKECOMMANDINFO lpici)
 281 {
 282     METHOD_PROLOGUE(CShellExt, MenuExt);
 283
 284     if (HIWORD(lpici->lpVerb ))
 285         return E_FAIL;
 286
 287         AddRef();
 288
 289         CStringArray &files = pThis->m_astrFileNames;
 290
 291         switch (LOWORD(lpici->lpVerb))
 292         {
 293                 case IDM_AUTHENTICATION:        {
 294                                                                                 CAuthDlg dlg;
 295                                                                                 dlg.DoModal();
 296                                                                                 break;
 297                                                                         }
 298
 299                 case IDM_ACL_SET:                       {
 300                                                                                 CSetAfsAcl dlg;
 301                                                                                 ASSERT(files.GetSize() == 1);
 302                                                                                 dlg.SetDir(files[0]);
 303                                                                                 dlg.DoModal();
 304                                                                         }
 305                                                                         break;
 306
 307                 case IDM_VOLUME_PROPERTIES:     {
 308                                                                                 CVolumeInfo dlg;
 309                                                                                 dlg.SetFiles(files);
 310                                                                                 dlg.DoModal();
 311                                                                         }
 312                                                                         break;
 313
 314                 case IDM_VOLUMEPARTITION_UPDATENAMEIDTABLE:     CheckVolumes();
 315                                                                                                         break;
 316
 317                 case IDM_MOUNTPOINT_SHOW:       ListMount(files);
 318                                                                         break;
 319
 320                 case IDM_MOUNTPOINT_REMOVE:     {
 321                                                                                 int nChoice = ShowMessageBox(IDS_REALLY_DEL_MOUNT_POINTS, MB_ICONQUESTION | MB_YESNO, IDS_REALLY_DEL_MOUNT_POINTS);
 322                                                                                 if (nChoice == IDYES)
 323                                                                                         RemoveMount(files);
 324                                                                         }
 325                                                                         break;
 326
 327                 case IDM_MOUNTPOINT_MAKE:       {
 328                                                                                 CMakeMountPointDlg dlg;
 329                                                                                 ASSERT(files.GetSize() == 1);
 330                                                                                 dlg.SetDir(files[0]);
 331                                                                                 dlg.DoModal();
 332                                                                         }
 333                                                                         break;
 334
 335
 336                 case IDM_FLUSH:                         Flush(files);
 337                                                                         break;
 338
 339                 case IDM_FLUSH_VOLUME:          FlushVolume(files);
 340                                                                         break;
 341
 342                 case IDM_SHOW_SERVER:           WhereIs(files);
 343                                                                         break;
 344
 345                 case IDM_SHOWCELL:                      WhichCell(files);
 346                                                                         break;
 347
 348                 case IDM_SERVER_STATUS:         {
 349                                                                                 CServerStatusDlg dlg;
 350                                                                                 dlg.DoModal();
 351                                                                         }
 352                                                                         break;
 353
 354         /*
 355                 case IDM_SUBMOUNTS_EDIT:        {
 356                                                                                 CSubmountsDlg dlg;
 357                                                                                 dlg.DoModal();
 358                                                                         }
 359                                                                         break;
 360
 361                 case IDM_SUBMOUNTS_CREATE:      {
 362                                                                                 ASSERT(files.GetSize() == 1);
 363                                                                                 CSubmountsDlg dlg;
 364                                                                                 dlg.SetAddOnlyMode(files[0]);
 365                                                                                 dlg.DoModal();
 366                                                                         }
 367                                                                         break;
 368         */
 369         case IDM_SYMBOLICLINK_REMOVE: {
 370                 if (files.GetSize()>1)
 371                         break;
 372                 CString msg=files.GetAt(0);
 373                 int i;
 374                 if ((i=msg.ReverseFind('\\'))>0)
 375                         msg=msg.Left(i+1);
 376                 else if ((i=msg.ReverseFind(':'))>0)
 377                         msg=msg.Left(i+1)+"\\";
 378                 if (!SetCurrentDirectory(msg))
 379                 {
 380                         MessageBeep((UINT)-1);
 381                         ShowMessageBox(IDS_UNABLE_TO_SET_CURRENT_DIRECTORY,MB_OK,IDS_UNABLE_TO_SET_CURRENT_DIRECTORY);
 382                         break;
 383                 }
 384                 msg=files.GetAt(0);
 385                 if ((i=msg.ReverseFind('\\'))>0||((i=msg.ReverseFind(':'))>0))
 386                         msg=msg.Right(msg.GetLength()-i-1);
 387                 int nChoice = ShowMessageBox(IDS_REALLY_REMOVE_SYMLINK, MB_ICONQUESTION | MB_YESNO, IDS_REALLY_REMOVE_SYMLINK,msg);
 388                 if (nChoice == IDYES)
 389                         RemoveSymlink(files.GetAt(0));
 390         }
 391                 break;
 392
 393         case IDM_SYMBOLICLINK_ADD: {
 394                 CString msg=files.GetAt(0);
 395                 int i;
 396                 if ((i=msg.ReverseFind('\\'))>0)
 397                         msg=msg.Left(i+1);
 398                 else if ((i=msg.ReverseFind(':'))>0)
 399                         msg=msg.Left(i+1)+"\\";
 400                 CMakeSymbolicLinkDlg dlg;
 401                 dlg.Setbase(msg);
 402                 dlg.DoModal();
 403         }
 404                 break;
 405
 406         case IDM_REMOVE_SYMLINK:        {
 407                 if (files.GetSize()>1)
 408                         break;
 409                 int nChoice = ShowMessageBox(IDS_REALLY_REMOVE_SYMLINK, MB_ICONQUESTION | MB_YESNO, IDS_REALLY_REMOVE_SYMLINK);
 410                 if (nChoice == IDYES)
 411                         RemoveSymlink(files.GetAt(0));
 412         }
 413                 break;
 414         default:
 415                 ASSERT(FALSE);
 416                 Release();
 417                 return E_INVALIDARG;
 418         }
 419
 420         Release();
 421
 422     return NOERROR;
 423 }
 424
 425 STDMETHODIMP CShellExt::XMenuExt::GetCommandString(UINT_PTR idCmd, UINT uType,
 426     UINT* pwReserved, LPSTR pszName, UINT cchMax)
 427 {
 428         if (uType != GCS_HELPTEXT)
 429                 return NOERROR;                 // ?????????????????????????????????????????????????
 430
 431         UINT nCmdStrID;
 432
 433     AfxSetResourceHandle(theApp.m_hInstance);
 434
 435     switch (idCmd)
 436         {
 437                 case IDM_AUTHENTICATION:        nCmdStrID = ID_AUTHENTICATE;
 438                                                                         break;
 439
 440                 case IDM_ACL_SET:                       nCmdStrID = ID_ACL_SET;
 441                                                                         break;
 442
 443                 case IDM_VOLUME_PROPERTIES:     nCmdStrID = ID_VOLUME_PROPERTIES;
 444                                                                         break;
 445
 446                 case IDM_VOLUMEPARTITION_UPDATENAMEIDTABLE:     nCmdStrID = ID_VOLUMEPARTITION_UPDATENAMEIDTABLE;
 447                                                                                                         break;
 448
 449                 case IDM_MOUNTPOINT_SHOW:       nCmdStrID = ID_MOUNTPOINT_SHOW;
 450                                                                         break;
 451
 452                 case IDM_MOUNTPOINT_REMOVE:     nCmdStrID = ID_MOUNTPOINT_REMOVE;
 453                                                                         break;
 454
 455                 case IDM_MOUNTPOINT_MAKE:       nCmdStrID = ID_MOUNTPOINT_MAKE;
 456                                                                         break;
 457
 458                 case IDM_FLUSH:                         nCmdStrID = ID_FLUSH;
 459                                                                         break;
 460
 461                 case IDM_FLUSH_VOLUME:          nCmdStrID = ID_VOLUME_FLUSH;
 462                                                                         break;
 463
 464                 case IDM_SHOW_SERVER:           nCmdStrID = ID_WHEREIS;
 465                                                                         break;
 466
 467                 case IDM_SHOWCELL:                      nCmdStrID = ID_SHOWCELL;
 468                                                                         break;
 469
 470                 case IDM_SERVER_STATUS:         nCmdStrID = ID_SERVER_STATUS;
 471                                                                         break;
 472
 473                 case IDM_SYMBOLICLINK_ADD:      nCmdStrID = ID_SYMBOLICLINK_ADD;
 474                                                                         break;
 475
 476                 case IDM_SYMBOLICLINK_REMOVE:   nCmdStrID = ID_SYMBOLICLINK_REMOVE;
 477                                                                         break;
 478
 479                 case IDM_REMOVE_SYMLINK:        nCmdStrID= ID_REMOVE_SYMLINK;
 480                                                                         break;
 481
 482                 default:
 483                         ASSERT(FALSE);
 484                         Release();
 485                     return E_INVALIDARG;
 486         }
 487
 488     CString strMsg;
 489     LoadString (strMsg, nCmdStrID);
 490
 491     strncpy(pszName, strMsg, cchMax);
 492
 493     return NOERROR;
 494 }
 495
 496 /////////////////////////////////////////////////////////////////////////////
 497 // IUnknown for IShellExtInit
 498 /////////////////////////////////////////////////////////////////////////////
 499 STDMETHODIMP CShellExt::XShellInit::QueryInterface(REFIID riid, void** ppv)
 500 {
 501     METHOD_PROLOGUE(CShellExt, ShellInit);
 502
 503     return pThis->ExternalQueryInterface(&riid, ppv);
 504 }
 505
 506 STDMETHODIMP_(ULONG) CShellExt::XShellInit::AddRef(void)
 507 {
 508         return ++nSERefCount;
 509 }
 510
 511 STDMETHODIMP_(ULONG) CShellExt::XShellInit::Release(void)
 512 {
 513         if (nSERefCount > 0)
 514                 nSERefCount--;
 515
 516         return nSERefCount;
 517 }
 518
 519 /////////////////////////////////////////////////////////////////////////////
 520 // IShellInit Functions
 521 /////////////////////////////////////////////////////////////////////////////
 522 STDMETHODIMP CShellExt::XShellInit::Initialize(LPCITEMIDLIST pidlFolder, IDataObject *pdobj, HKEY hkeyProgID)
 523 {
 524     METHOD_PROLOGUE(CShellExt, ShellInit);
 525
 526     HRESULT hres = E_FAIL;
 527     FORMATETC fmte = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
 528     STGMEDIUM medium;
 529
 530         // We must have a data object
 531     if (pdobj == NULL)
 532             return E_FAIL;
 533
 534     //  Use the given IDataObject to get a list of filenames (CF_HDROP)
 535     hres = pdobj->GetData(&fmte, &medium);
 536     if (FAILED(hres)) {
 537             return E_FAIL;
 538     }
 539
 540     int nNumFiles = DragQueryFile((HDROP)medium.hGlobal, 0xFFFFFFFF, NULL, 0);
 541         if (nNumFiles == 0)
 542                 hres = E_FAIL;
 543         else {
 544                 pThis->m_bDirSelected = FALSE;
 545
 546                 for (int ii = 0; ii < nNumFiles; ii++) {
 547                         CString strFileName;
 548
 549                         // Get the size of the file name string
 550                         int nNameLen = DragQueryFile((HDROP)medium.hGlobal, ii, 0, 0);
 551
 552                         // Make room for it in our string object
 553                         LPTSTR pszFileNameBuf = strFileName.GetBuffer(nNameLen + 1);    // +1 for the terminating NULL
 554                         ASSERT(pszFileNameBuf);
 555
 556                         // Get the file name
 557                         DragQueryFile((HDROP)medium.hGlobal, ii, pszFileNameBuf, nNameLen + 1);
 558
 559                         strFileName.ReleaseBuffer();
 560
 561                         if (!IsPathInAfs(strFileName)) {
 562                                 pThis->m_astrFileNames.RemoveAll();
 563                                 break;
 564                         } else {
 565                                 pThis->m_bIsSymlink=IsSymlink(strFileName);
 566                         }
 567
 568                         if (IsADir(strFileName))
 569                                 pThis->m_bDirSelected = TRUE;
 570
 571                         pThis->m_astrFileNames.Add(strFileName);
 572                 }
 573
 574                 if (pThis->m_astrFileNames.GetSize() > 0)
 575                         hres = NOERROR;
 576                 else
 577                         hres = E_FAIL;
 578     }
 579
 580     //  Release the data
 581     ReleaseStgMedium(&medium);
 582
 583     return hres;
 584 }
 585
 586 STDMETHODIMP CShellExt::XIconExt::QueryInterface(REFIID riid, void** ppv)
 587 {
 588     METHOD_PROLOGUE(CShellExt, IconExt);
 589     return pThis->ExternalQueryInterface(&riid, ppv);
 590 }
 591
 592 STDMETHODIMP_(ULONG) CShellExt::XIconExt::AddRef(void)
 593 {
 594         return ++nICRefCount;
 595 }
 596
 597 STDMETHODIMP_(ULONG) CShellExt::XIconExt::Release(void)
 598 {
 599         if (nICRefCount > 0)
 600                 nICRefCount--;
 601
 602         return nICRefCount;
 603 }
 604
 605
 606 /////////////////////////////////////////////////////////////////////////////
 607 // IIconHandler Functions
 608 /////////////////////////////////////////////////////////////////////////////
 609
 610 STDMETHODIMP CShellExt::XIconExt::GetOverlayInfo(LPWSTR pwszIconFile
 611         ,int cchMax,int* pIndex,DWORD* pdwFlags)
 612 {
 613         if(IsBadWritePtr(pIndex, sizeof(int)))
 614                 return E_INVALIDARG;
 615         if(IsBadWritePtr(pdwFlags, sizeof(DWORD)))
 616                 return E_INVALIDARG;
 617
 618         HMODULE hModule=GetModuleHandle("shell32.dll");
 619         TCHAR szModule[MAX_PATH];
 620         DWORD z=GetModuleFileName(hModule,szModule,sizeof(szModule));
 621         MultiByteToWideChar( CP_ACP,0,szModule,-1,pwszIconFile,cchMax);
 622         *pIndex = 30;
 623         *pdwFlags = ISIOI_ICONFILE | ISIOI_ICONINDEX;
 624         return S_OK;
 625 }
 626
 627 STDMETHODIMP CShellExt::XIconExt::GetPriority(int* pPriority)
 628 {
 629         if(IsBadWritePtr(pPriority, sizeof(int)))
 630            return E_INVALIDARG;
 631         *pPriority = 0;
 632         return S_OK;
 633 }
 634
 635 STDMETHODIMP CShellExt::XIconExt::IsMemberOf(LPCWSTR pwszPath,DWORD dwAttrib)
 636 {
 637         TCHAR szPath[MAX_PATH];
 638         WideCharToMultiByte( CP_ACP,0,pwszPath,-1,szPath,MAX_PATH,NULL,NULL);
 639         if (IsSymlink(szPath))
 640                 return S_OK;
 641         return S_FALSE;
 642 }
 643
 644 /*          TOOL TIP INFO IMPLIMENTION   */
 645
 646 STDMETHODIMP CShellExt::XToolTipExt::QueryInterface(REFIID riid, void** ppv)
 647 {
 648     METHOD_PROLOGUE(CShellExt, ToolTipExt);
 649     return pThis->ExternalQueryInterface(&riid, ppv);
 650 }
 651
 652 STDMETHODIMP_(ULONG) CShellExt::XToolTipExt::AddRef(void)
 653 {
 654         return ++nTPRefCount;
 655 }
 656
 657 STDMETHODIMP_(ULONG) CShellExt::XToolTipExt::Release(void)
 658 {
 659         if (nTPRefCount> 0)
 660                 nTPRefCount--;
 661
 662         return nTPRefCount;
 663 }
 664
 665 STDMETHODIMP CShellExt::XToolTipExt::GetInfoTip(DWORD dwFlags, LPWSTR *ppwszTip)
 666 {
 667     METHOD_PROLOGUE(CShellExt, ToolTipExt);
 668
 669         if (!IsSymlink(pThis->m_szFile))
 670         {
 671                 ppwszTip=NULL;
 672                 return S_OK;
 673         }
 674         USES_CONVERSION;
 675         // dwFlags is currently unused.
 676         *ppwszTip = (WCHAR*) (pThis->m_pAlloc)->Alloc((1+lstrlen(pThis->m_szFile))*sizeof(WCHAR));
 677         if (*ppwszTip)
 678         {
 679                 wcscpy(*ppwszTip, (WCHAR*)T2OLE(pThis->m_szFile));
 680         }
 681
 682         return S_OK;
 683 }
 684 STDMETHODIMP CShellExt::XToolTipExt::GetInfoFlags(LPDWORD pdwFlags)
 685 {
 686         return S_OK;
 687 }
 688
 689 //////////                          IPersistFile
 690 ///////                            PersistFileExt
 691
 692 STDMETHODIMP CShellExt::XPersistFileExt::QueryInterface(REFIID riid, void** ppv)
 693 {
 694     METHOD_PROLOGUE(CShellExt, PersistFileExt);
 695     return pThis->ExternalQueryInterface(&riid, ppv);
 696 }
 697
 698 STDMETHODIMP_(ULONG) CShellExt::XPersistFileExt::AddRef(void)
 699 {
 700         return ++nXPRefCount;
 701 }
 702
 703 STDMETHODIMP_(ULONG) CShellExt::XPersistFileExt::Release(void)
 704 {
 705         if (nXPRefCount> 0)
 706                 nXPRefCount--;
 707
 708         return nXPRefCount;
 709 }
 710
 711 STDMETHODIMP    CShellExt::XPersistFileExt::Load(LPCOLESTR wszFile, DWORD dwMode)
 712 {
 713     METHOD_PROLOGUE(CShellExt, PersistFileExt);
 714         USES_CONVERSION;
 715         _tcscpy(pThis->m_szFile, OLE2T((WCHAR*)wszFile));
 716         return S_OK;
 717 }
 718
 719 STDMETHODIMP CShellExt::XPersistFileExt::GetClassID(LPCLSID)
 720 {
 721         return E_NOTIMPL;
 722 }
 723
 724 STDMETHODIMP CShellExt::XPersistFileExt::IsDirty(VOID)
 725 {
 726         return E_NOTIMPL;
 727 }
 728
 729 STDMETHODIMP CShellExt::XPersistFileExt::Save(LPCOLESTR, BOOL)
 730 {
 731         return E_NOTIMPL;
 732 }
 733
 734 STDMETHODIMP CShellExt::XPersistFileExt::SaveCompleted(LPCOLESTR)
 735 {
 736         return E_NOTIMPL;
 737 }
 738
 739 STDMETHODIMP CShellExt::XPersistFileExt::GetCurFile(LPOLESTR FAR*)
 740 {
 741         return E_NOTIMPL;
 742 }