src/TortoiseProc/UserPassword.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2013-2016, 2018-2020, 2023 - TortoiseGit
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // UserPassword.cpp : implementation file
  20 //
  21 #include "stdafx.h"
  22 #include "resource.h"
  23 #include "UserPassword.h"
  24
  25 // CUserPassword dialog
  26
  27 IMPLEMENT_DYNAMIC(CUserPassword, CStandAloneDialog)
  28
  29 CUserPassword::CUserPassword(CWnd* pParent /*=nullptr*/)
  30         : CStandAloneDialog(CUserPassword::IDD, pParent)
  31 {
  32 }
  33
  34 CUserPassword::~CUserPassword()
  35 {
  36         SecureZeroMemory(&m_password, sizeof(m_password));
  37         SecureZeroMemory(&m_passwordA, sizeof(m_passwordA));
  38 }
  39
  40 void CUserPassword::DoDataExchange(CDataExchange* pDX)
  41 {
  42         CStandAloneDialog::DoDataExchange(pDX);
  43         DDX_Text(pDX, IDC_USER_NAME, m_UserName);
  44 }
  45
  46 BEGIN_MESSAGE_MAP(CUserPassword, CStandAloneDialog)
  47         ON_BN_CLICKED(IDOK, &CUserPassword::OnBnClickedOk)
  48         ON_WM_DESTROY()
  49 END_MESSAGE_MAP()
  50
  51 // CUserPassword message handlers
  52
  53 BOOL CUserPassword::OnInitDialog()
  54 {
  55         CStandAloneDialog::OnInitDialog();
  56         if (!m_URL.IsEmpty())
  57         {
  58                 CString title;
  59                 this->GetWindowText(title);
  60                 title += L" - ";
  61                 title += m_URL;
  62                 this->SetWindowText(title);
  63         }
  64         GetDlgItem(IDC_USER_PASSWORD)->SendMessage(EM_SETLIMITTEXT, MAX_LENGTH_PASSWORD - 1, 0);
  65         if (GetDlgItem(IDC_USER_NAME)->GetWindowTextLength())
  66                 GetDlgItem(IDC_USER_PASSWORD)->SetFocus();
  67         else
  68                 GetDlgItem(IDC_USER_NAME)->SetFocus();
  69         return FALSE; // we set focus to the username/password textfield
  70 }
  71
  72 void CUserPassword::OnBnClickedOk()
  73 {
  74         UpdateData();
  75         if (m_UserName.IsEmpty())
  76         {
  77                 GetDlgItem(IDC_USER_NAME)->SetFocus();
  78                 ShowEditBalloon(IDC_USER_NAME, IDS_ERR_MISSINGVALUE, IDS_ERR_ERROR, TTI_ERROR);
  79                 return;
  80         }
  81
  82         GetDlgItem(IDC_USER_PASSWORD)->GetWindowText(m_password, _countof(m_password));
  83
  84         auto lengthIncTerminator = WideCharToMultiByte(CP_UTF8, 0, m_password, static_cast<int>(wcslen(m_password)), m_passwordA, sizeof(m_passwordA) - 1, nullptr, nullptr);
  85         m_passwordA[lengthIncTerminator] = '\0';
  86
  87         CStandAloneDialog::OnOK();
  88 }
  89
  90 void CUserPassword::OnDestroy()
  91 {
  92         // overwrite password textfield contents with garbage in order to wipe the cache
  93         wchar_t gargabe[MAX_LENGTH_PASSWORD];
  94         wmemset(gargabe, L'*', _countof(gargabe));
  95         gargabe[_countof(gargabe) - 1] = L'\0';
  96         GetDlgItem(IDC_USER_PASSWORD)->SetWindowText(gargabe);
  97         gargabe[0] = L'\0';
  98         GetDlgItem(IDC_USER_PASSWORD)->SetWindowText(gargabe);
  99
 100         __super::OnDestroy();
 101 }