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Windows: Support direct password drag-n-drop from external applications (e.g. KeePass) which is more secure than using clipboard.

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This commit is contained in:
Mounir IDRASSI
2020-07-06 18:00:25 +02:00
parent b54729de48
commit ff391d9a6a
5 changed files with 597 additions and 2 deletions
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28
src/Format/Tcformat.c
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@@ -420,8 +420,8 @@ static void WipePasswordsAndKeyfiles (bool bFull)
// Attempt to wipe passwords stored in the input field buffers
wmemset (tmp, L'X', MAX_PASSWORD);
tmp [MAX_PASSWORD] = 0;
SetWindowText (hPasswordInputField, tmp);
SetWindowText (hVerifyPasswordInputField, tmp);
SetWindowText (hPasswordInputField, tmp);
SetWindowText (hVerifyPasswordInputField, tmp);
burn (&szVerify[0], sizeof (szVerify));
burn (&volumePassword, sizeof (volumePassword));
@@ -6372,6 +6372,14 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
strcpy (szRawPassword, "q");
#endif
PasswordEditDropTarget* pTarget = new PasswordEditDropTarget ();
if (pTarget->Register (hwndDlg))
{
SetWindowLongPtr (hwndDlg, DWLP_USER, (LONG_PTR) pTarget);
}
else
delete pTarget;
PostMessage (hwndDlg, TC_APPMSG_PERFORM_POST_WMINIT_TASKS, 0, 0);
}
return 0;
@@ -8995,6 +9003,22 @@ ovf_end:
case WM_CLOSE:
PostMessage (hwndDlg, TC_APPMSG_FORMAT_USER_QUIT, 0, 0);
return 1;
case WM_NCDESTROY:
{
hPasswordInputField = NULL;
hVerifyPasswordInputField = NULL;
/* unregister drap-n-drop support */
PasswordEditDropTarget* pTarget = (PasswordEditDropTarget*) GetWindowLongPtr (hwndDlg, DWLP_USER);
if (pTarget)
{
SetWindowLongPtr (hwndDlg, DWLP_USER, (LONG_PTR) 0);
pTarget->Revoke ();
pTarget->Release();
}
}
return 0;
}
return 0;