C++ StringX::c_str方法代码示例

bool PWSclip::SetData(const StringX &text)
{
  if (wxTheClipboard->Open()) {
    wxTheClipboard->SetData(new wxTextDataObject(text.c_str()));
    wxTheClipboard->Close();
    return true;
  } else
    return false;
}

stringT CPasswordCharPool::GetDefaultSymbols()
{
  stringT symbols;
  const StringX sx_symbols = PWSprefs::GetInstance()->GetPref(PWSprefs::DefaultSymbols);
  if (!sx_symbols.empty())
    symbols = sx_symbols.c_str();
  else
    symbols = std_symbol_chars;
  return symbols;
}

PWSfile::VERSION PWSfile::ReadVersion(const StringX &filename)
{
  if (pws_os::FileExists(filename.c_str())) {
    VERSION v;
    if (PWSfileV3::IsV3x(filename, v))
      return v;
    else
      return V20;
  } else
    return UNKNOWN_VERSION;
}

size_t PWSfileV1V2::WriteCBC(unsigned char type, const StringX &data)
{
#ifndef UNICODE
  const unsigned char *datastr = (const unsigned char *)data.c_str();

  return PWSfile::WriteCBC(type, datastr, data.length());
#else
  wchar_t *wcPtr = const_cast<wchar_t *>(data.c_str());
  size_t wcLen = data.length() + 1;
  size_t mbLen = 3 * wcLen;
  unsigned char *acp = new unsigned char[mbLen];
  size_t acpLen = pws_os::wcstombs(reinterpret_cast<char *>(acp), mbLen,
                                   wcPtr, wcLen, false);
  ASSERT(acpLen != 0);
  acpLen--; // remove unneeded null termination
  size_t retval = PWSfile::WriteCBC(type, acp, acpLen);
  trashMemory(acp, mbLen);
  delete[] acp;
  return retval;
#endif
}

void CPasswordPolicyDlg::OnGeneratePassword()
{
  UpdateData(TRUE);

  PWPolicy st_pp;

  if (m_UseNamedPolicy == BST_UNCHECKED) {
    // Use specific policy but validate it first
    if (Validate() == FALSE)
      return;

    if (m_PWUseLowercase == TRUE)
      st_pp.flags |= PWPolicy::UseLowercase;
    if (m_PWUseUppercase == TRUE)
      st_pp.flags |= PWPolicy::UseUppercase;
    if (m_PWUseDigits == TRUE)
      st_pp.flags |= PWPolicy::UseDigits;
    if (m_PWUseSymbols == TRUE)
      st_pp.flags |= PWPolicy::UseSymbols;
    if (m_PWUseHexdigits == TRUE)
      st_pp.flags |= PWPolicy::UseHexDigits;
    if (m_PWEasyVision == TRUE)
      st_pp.flags |= PWPolicy::UseEasyVision;
    if (m_PWMakePronounceable == TRUE)
      st_pp.flags |= PWPolicy::MakePronounceable;
    st_pp.length = m_PWDefaultLength;
    st_pp.digitminlength = m_PWDigitMinLength;
    st_pp.lowerminlength = m_PWLowerMinLength;
    st_pp.symbolminlength = m_PWSymbolMinLength;
    st_pp.upperminlength = m_PWUpperMinLength;

    m_SymbolsEdit.GetWindowText(m_Symbols);
    st_pp.symbols = LPCWSTR(m_Symbols);
  } else {
    // Use named policy
    if (m_PolicyNameEdit.IsWindowVisible()) {
      m_PolicyNameEdit.GetWindowText((CString &)m_policyname);
    } else {
      int index = m_cbxPolicyNames.GetCurSel();
      m_cbxPolicyNames.GetLBText(index, m_policyname);
    }
    StringX sxPolicyName(m_policyname);
    GetMainDlg()->GetPolicyFromName(sxPolicyName, st_pp);
  }

  StringX passwd;
  GetMainDlg()->MakeRandomPassword(passwd, st_pp);
  m_password = passwd.c_str();
  m_ex_password.SetWindowText(m_password);
  m_ex_password.Invalidate();

  UpdateData(FALSE);
}

/**
 * Put text data to clipboard
 * @param[in] data data to store in clipboard
 * @param isSensitive if data sensitive, we remember its hash and will clear on ClearCBData() call
 * @return \c true, if we could open the clipboard and put the data
*/
bool PWSclipboard::SetData(const StringX &data)
{
  wxMutexLocker clip(m_clipboardMutex);

  bool res = false;
  if (wxTheClipboard->Open()) {
    res = wxTheClipboard->SetData(new wxTextDataObject(data.c_str()));
    wxTheClipboard->Close();
  }
  m_set = true;
  if (res) {
    // identify data in clipboard as ours, so as not to clear the wrong data later
    // of course, we don't want an extra copy of a password floating around
    // in memory, so we'll use the hash
    SHA256 ctx;
    const wchar_t *str = data.c_str();
    ctx.Update(reinterpret_cast<const unsigned char *>(str), data.length()*sizeof(wchar_t));
    ctx.Final(m_digest);
  }
  return res;
}

bool PWSRun::issuecmd(const StringX &sxFile, const StringX &sxParameters, 
                      const bool &bAutotype) const
{
  SHELLEXECUTEINFO si;
  ZeroMemory(&si, sizeof(SHELLEXECUTEINFO));
  si.cbSize = sizeof(SHELLEXECUTEINFO);
  si.nShow = SW_SHOWNORMAL;
  si.fMask = SEE_MASK_NOCLOSEPROCESS | SEE_MASK_DOENVSUBST;

  si.lpFile = sxFile.c_str();
  if (!sxParameters.empty()) {
    si.lpParameters = sxParameters.c_str();
  }

  BOOL bAT_init(FALSE);

  if (bAutotype && isValid()) {
    if (pImpl->pInit != NULL && pImpl->pUnInit != NULL &&
        pImpl->hCBWnd != NULL) {
      // OK - try and make it tell us!  Won't if another instance of
      // PWS is doing this at exactly the same time - silly user!
      bAT_init = pImpl->pInit(pImpl->hCBWnd);
      pws_os::Trace(_T("PWSRun::issuecmd - AT_HK_Initialise: %s\n"),
                    bAT_init == TRUE ? _T("OK") : _T("FAILED"));
    }
  }

  BOOL shellExecStatus = ::ShellExecuteEx(&si);
  if (shellExecStatus != TRUE) {
    // ShellExecute writes its own message on failure!
    if (bAT_init) {
      bAT_init = pImpl->pUnInit(pImpl->hCBWnd);
      pws_os::Trace(_T("PWSRun::issuecmd - AT_HK_UnInitialise: %s\n"),
                    bAT_init == TRUE ? _T("OK") : _T("FAILED"));
    }
    return false;
  }
  return true;
}

void CCompareWithSelectDlg::InsertItemIntoGUITree(CItemData &ci)
{
  HTREEITEM ti;
  StringX treeDispString = (LPCWSTR)m_cwItemTree.MakeTreeDisplayString(ci);
  // get path, create if necessary, add title as last node
  ti = m_cwItemTree.AddGroup(ci.GetGroup().c_str());
  ti = m_cwItemTree.InsertItem(treeDispString.c_str(), ti, TVI_SORT);

  m_cwItemTree.SetItemData(ti, (DWORD_PTR)&ci);
  
  int nImage = m_cwItemTree.GetEntryImage(ci);
  m_cwItemTree.SetItemImage(ti, nImage, nImage);
}

PWSfile::VERSION PWSfile::ReadVersion(const StringX &filename, const StringX &passkey)
{
  if (pws_os::FileExists(filename.c_str())) {
    VERSION v;
    if (PWSfileV3::IsV3x(filename, v))
      return v;
    else if (PWSfileV4::IsV4x(filename, passkey, v))
      return v;
    else if (PWSfileV1V2::CheckPasskey(filename, passkey) == SUCCESS)
      return V20;
    else
      return UNKNOWN_VERSION;
  } else
    return UNKNOWN_VERSION;
}

void CSafeCombinationSetup::OnOkClick( wxCommandEvent& /* evt */ )
{
  if (Validate() && TransferDataFromWindow()) {
    if (m_password != m_verify) {
      wxMessageDialog err(this, _("The two entries do not match."),
                          _("Error"), wxOK | wxICON_EXCLAMATION);
      err.ShowModal();
      return;
    }
    if (m_password.empty()) {
      wxMessageDialog err(this, _("Please enter the key and verify it."),
                          _("Error"), wxOK | wxICON_EXCLAMATION);
      err.ShowModal();
      return;
    }
    // Vox populi vox dei - folks want the ability to use a weak
    // passphrase, best we can do is warn them...
    // If someone want to build a version that insists on proper
    // passphrases, then just define the preprocessor macro
    // PWS_FORCE_STRONG_PASSPHRASE in the build properties/Makefile
    // (also used in CPasskeyChangeDlg)
#ifndef _DEBUG // for debug, we want no checks at all, to save time
    StringX errmess;
    if (!CPasswordCharPool::CheckPassword(tostringx(m_password), errmess)) {
      wxString cs_msg;
      cs_msg = _("Weak passphrase:");
      cs_msg += wxT("\n\n");
      cs_msg += errmess.c_str();
#ifndef PWS_FORCE_STRONG_PASSPHRASE
      cs_msg += wxT("\n");
      cs_msg += _("Use it anyway?");
      wxMessageDialog mb(this, cs_msg, _("Warning"),
                      wxYES_NO | wxNO_DEFAULT | wxICON_HAND);
      int rc = mb.ShowModal();
    if (rc == wxID_NO)
      return;
#else
    cs_msg += wxT("\n");
    cs_msg += _("Please try another");
    wxMessageDialog mb(this, cs_msg, _("Error"), wxOK | wxICON_HAND);
    mb.ShowModal();
    return;
#endif // PWS_FORCE_STRONG_PASSPHRASE
    }
#endif // _DEBUG
    EndModal(wxID_OK);
  }
}

///////////////////////////////////
// dispatcher. Called from main()
/////////
int Diff(PWScore &core, const UserArgs &ua)
{
  CompareData current, comparison, conflicts, identical;
  PWScore otherCore;
  const StringX otherSafe{std2stringx(ua.opArg)};

  CItemData::FieldBits safeFields{ua.fields};
  for( auto ft: diff_fields ) {
    if (ua.fields.test(ft) && CItemData::IsTextField(ft)) {
      safeFields.set(ft);
    }
  }
  safeFields.reset(CItem::RMTIME);

  int status = OpenCore(otherCore, otherSafe);
  if ( status == PWScore::SUCCESS ) {
    constexpr bool treatWhitespacesAsEmpty = false;
    core.Compare( &otherCore,
                  safeFields,
                         ua.subset.valid(),
                         treatWhitespacesAsEmpty,
                         ua.subset.value,
                         ua.subset.field,
                         ua.subset.rule,
                         current,
                         comparison,
                         conflicts,
                         identical);

    switch (ua.dfmt) {
      case UserArgs::DiffFmt::Unified:
        unified_diff(core, otherCore, current, comparison, conflicts, identical);
        break;
      case UserArgs::DiffFmt::Context:
        context_diff(core, otherCore, current, comparison, conflicts, identical);
        break;
      case UserArgs::DiffFmt::SideBySide:
        sidebyside_diff(core, otherCore, current, comparison, conflicts, identical, safeFields, ua.colwidth);
        break;
      default:
        assert(false);
        break;
    }
    otherCore.UnlockFile(otherSafe.c_str());
  }
  return status;
}

void CSafeCombinationSetup::OnYubibtnClick( wxCommandEvent& /* event */ )
{
  if (Validate() && TransferDataFromWindow()) {
    if (m_password != m_verify) {
      wxMessageDialog err(this, _("The two entries do not match."),
                          _("Error"), wxOK | wxICON_EXCLAMATION);
      err.ShowModal();
      return;
    }
    StringX response;
    bool oldYubiChallenge = ::wxGetKeyState(WXK_SHIFT); // for pre-0.94 databases
    if (PerformChallengeResponse(this, tostringx(m_password), response, oldYubiChallenge)) {
      m_password = response.c_str();
      EndModal(wxID_OK);
    }
  }
}

bool PWSTreeCtrl::ExistsInTree(wxTreeItemId node,
                               const StringX &s, wxTreeItemId &si) const
{
  // returns true iff s is a direct descendant of node
  wxTreeItemIdValue cookie;
  wxTreeItemId ti = GetFirstChild(node, cookie);

  while (ti) {
    const wxString itemText = GetItemText(ti);
    if (itemText == s.c_str()) {
      si = ti;
      return true;
    }
    ti = GetNextSibling(ti);
  }
  return false;
}

void CSafeCombinationChange::OnOkClick( wxCommandEvent& /* evt */ )
{
  if (Validate() && TransferDataFromWindow()) {
    StringX errmess;
    const StringX old = m_oldresponse.empty() ? m_oldpasswd : m_oldresponse;
    int rc = m_core.CheckPasskey(m_core.GetCurFile(), old);
    if (rc == PWScore::WRONG_PASSWORD) {
      wxMessageDialog err(this, _("The old safe combination is not correct"),
                          _("Error"), wxOK | wxICON_EXCLAMATION);
      err.ShowModal();
    } else if (rc == PWScore::CANT_OPEN_FILE) {
      wxMessageDialog err(this, _("Cannot verify old safe combination - file gone?"),
                          _("Error"), wxOK | wxICON_EXCLAMATION);
      err.ShowModal();
    } else if (m_confirm != m_newpasswd) {
      wxMessageDialog err(this, _("New safe combination and confirmation do not match"),
                          _("Error"), wxOK | wxICON_EXCLAMATION);
      err.ShowModal();
    // Vox populi vox dei - folks want the ability to use a weak
    // passphrase, best we can do is warn them...
    // If someone want to build a version that insists on proper
    // passphrases, then just define the preprocessor macro
    // PWS_FORCE_STRONG_PASSPHRASE in the build properties/Makefile
    // (also used in CPasskeySetup)
    } else if (!CPasswordCharPool::CheckPassword(m_newpasswd, errmess)) {
      wxString msg = _("Weak passphrase:");
      msg += wxT("\n\n");
      msg += errmess.c_str();
#ifndef PWS_FORCE_STRONG_PASSPHRASE
      msg += wxT("\n");
      msg += _("Use it anyway?");
      wxMessageDialog err(this, msg,
                          _("Error"), wxYES_NO | wxICON_HAND);
      int rc1 = err.ShowModal();
      if (rc1 == wxID_YES)
        EndModal(wxID_OK);
#else
      wxMessageDialog err(this, msg,
                          _("Error"), wxOK | wxICON_HAND);
      err.ShowModal();
#endif // PWS_FORCE_STRONG_PASSPHRASE
    } else { // password checks out OK.
      EndModal(wxID_OK);
    }
  }
}

CheckVersion::CheckStatus CAboutDlg::CheckLatestVersion(std::wstring &latest)
{
  CInternetSession session(L"PasswordSafe Version Check");
  CStdioFile *fh;

  // Put up hourglass...this might take a while
  CWaitCursor waitCursor;

  try {
    // Loading the file as binary since we're treating it as UTF-8
    fh = session.OpenURL(L"https://pwsafe.org/latest.xml",
                         1, (INTERNET_FLAG_TRANSFER_BINARY | INTERNET_FLAG_RELOAD));
  } catch (CInternetException *) {
    // throw;
    return CheckVersion::CANT_CONNECT;
  }

  ASSERT(fh != NULL);
  CString latest_xml;
  unsigned char buff[BUFSIZ + 1];
  StringX chunk;
  UINT nRead;
  CUTF8Conv conv;

  while ((nRead = fh->Read(buff, BUFSIZ)) != 0) {
    buff[nRead] = '\0';
    // change to widechar representation
    if (!conv.FromUTF8(buff, nRead, chunk)) {
      fh->Close();
      delete fh;
      session.Close();
      return CheckVersion::CANT_READ;
    } else
      latest_xml += chunk.c_str();
  }

  fh->Close();
  delete fh;

  session.Close();
  waitCursor.Restore(); // restore normal cursor

  CheckVersion vh(m_nMajor, m_nMinor, m_nBuild);
  return vh.CheckLatestVersion(LPCWSTR(latest_xml), latest);
}