diff options
Diffstat (limited to 'desktop/win32/source/loader.cxx')
| -rw-r--r-- | desktop/win32/source/loader.cxx | 193 |
1 files changed, 190 insertions, 3 deletions
diff --git a/desktop/win32/source/loader.cxx b/desktop/win32/source/loader.cxx index 4425c1e697d9..3960dd2c6f1c 100644 --- a/desktop/win32/source/loader.cxx +++ b/desktop/win32/source/loader.cxx @@ -17,9 +17,14 @@ * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ -#include <tools/pathutils.hxx> #include "loader.hxx" #include <cassert> +#include <systools/win32/uwinapi.h> +#include <stdlib.h> +#include <string> +#include <vector> +#include <desktop/exithelper.h> +#include <tools/pathutils.hxx> namespace { @@ -34,6 +39,40 @@ void fail() TerminateProcess(GetCurrentProcess(), 255); } +LPWSTR* GetCommandArgs(int* pArgc) { return CommandLineToArgvW(GetCommandLineW(), pArgc); } + +// tdf#120249: quotes in arguments need to be escaped; backslashes before quotes need doubling. See +// https://docs.microsoft.com/en-us/windows/desktop/api/shellapi/nf-shellapi-commandlinetoargvw +std::wstring EscapeArg(LPCWSTR sArg) +{ + const size_t nOrigSize = wcslen(sArg); + LPCWSTR const end = sArg + nOrigSize; + std::wstring sResult(L"\""); + + LPCWSTR lastPosQuote = sArg; + LPCWSTR posQuote; + while ((posQuote = std::find(lastPosQuote, end, L'"')) != end) + { + LPCWSTR posBackslash = posQuote; + while (posBackslash != lastPosQuote && *(posBackslash - 1) == L'\\') + --posBackslash; + + sResult.append(lastPosQuote, posBackslash); + sResult.append((posQuote - posBackslash) * 2 + 1, L'\\'); // 2n+1 '\' to escape the '"' + sResult.append(1, L'"'); + lastPosQuote = posQuote + 1; + } + + LPCWSTR posTrailingBackslashSeq = end; + while (posTrailingBackslashSeq != lastPosQuote && *(posTrailingBackslashSeq - 1) == L'\\') + --posTrailingBackslashSeq; + sResult.append(lastPosQuote, posTrailingBackslashSeq); + sResult.append((end - posTrailingBackslashSeq) * 2, L'\\'); // 2n '\' before closing '"' + sResult.append(1, L'"'); + + return sResult; +} + } namespace desktop_win32 { @@ -50,9 +89,12 @@ void extendLoaderEnvironment(WCHAR * binPath, WCHAR * iniDirectory) { *nameEnd++ = *p; } if (!(nameEnd - name >= 4 && nameEnd[-4] == L'.' && - (nameEnd[-3] == L'E' || nameEnd[-3] == L'e') && + ((nameEnd[-3] == L'E' || nameEnd[-3] == L'e') && (nameEnd[-2] == L'X' || nameEnd[-2] == L'x') && - (nameEnd[-1] == L'E' || nameEnd[-1] == L'e'))) + (nameEnd[-1] == L'E' || nameEnd[-1] == L'e') || + (nameEnd[-3] == L'C' || nameEnd[-3] == L'c') && + (nameEnd[-2] == L'O' || nameEnd[-2] == L'o') && + (nameEnd[-1] == L'M' || nameEnd[-1] == L'm')))) { *nameEnd = L'.'; nameEnd += 4; @@ -90,6 +132,151 @@ void extendLoaderEnvironment(WCHAR * binPath, WCHAR * iniDirectory) { } } +int officeloader_impl(bool bAllowConsole) +{ + WCHAR szTargetFileName[MAX_PATH] = {}; + WCHAR szIniDirectory[MAX_PATH]; + STARTUPINFOW aStartupInfo; + + desktop_win32::extendLoaderEnvironment(szTargetFileName, szIniDirectory); + + ZeroMemory(&aStartupInfo, sizeof(aStartupInfo)); + aStartupInfo.cb = sizeof(aStartupInfo); + + // Create process with same command line, environment and stdio handles which + // are directed to the created pipes + GetStartupInfoW(&aStartupInfo); + + DWORD dwExitCode = DWORD(-1); + + BOOL fSuccess = FALSE; + LPWSTR lpCommandLine = nullptr; + bool bFirst = true; + WCHAR cwd[MAX_PATH]; + DWORD cwdLen = GetCurrentDirectoryW(MAX_PATH, cwd); + if (cwdLen >= MAX_PATH) + { + cwdLen = 0; + } + std::vector<std::wstring> aEscapedArgs; + + do + { + if (bFirst) + { + int argc = 0; + LPWSTR* argv = GetCommandArgs(&argc); + std::size_t n = 0; + for (int i = 0; i < argc; ++i) + { + std::wstring sEscapedArg = EscapeArg(argv[i]); + aEscapedArgs.push_back(sEscapedArg); + n += sEscapedArg.length() + 1; // a space between args + } + LocalFree(argv); + n += MY_LENGTH(L" \"-env:OOO_CWD=2") + 4 * cwdLen + MY_LENGTH(L"\"") + 1; + // 4 * cwdLen: each char preceded by backslash, each trailing + // backslash doubled + lpCommandLine = new WCHAR[n]; + } + WCHAR* p = desktop_win32::commandLineAppend(lpCommandLine, aEscapedArgs[0].c_str(), + aEscapedArgs[0].length()); + for (size_t i = 1; i < aEscapedArgs.size(); ++i) + { + const std::wstring& rArg = aEscapedArgs[i]; + if (bFirst || EXITHELPER_NORMAL_RESTART == dwExitCode + || wcsncmp(rArg.c_str(), MY_STRING(L"\"-env:")) == 0) + { + p = desktop_win32::commandLineAppend(p, MY_STRING(L" ")); + p = desktop_win32::commandLineAppend(p, rArg.c_str(), rArg.length()); + } + } + + p = desktop_win32::commandLineAppend(p, MY_STRING(L" \"-env:OOO_CWD=")); + if (cwdLen == 0) + { + p = desktop_win32::commandLineAppend(p, MY_STRING(L"0")); + } + else + { + p = desktop_win32::commandLineAppend(p, MY_STRING(L"2")); + p = desktop_win32::commandLineAppendEncoded(p, cwd); + } + desktop_win32::commandLineAppend(p, MY_STRING(L"\"")); + bFirst = false; + + WCHAR szParentProcessId[64]; // This is more than large enough for a 128 bit decimal value + BOOL bHeadlessMode(FALSE); + + { + // Check command line arguments for "--headless" parameter. We only + // set the environment variable "ATTACHED_PARENT_PROCESSID" for the headless + // mode as self-destruction of the soffice.bin process can lead to + // certain side-effects (log-off can result in data-loss, ".lock" is not deleted. + // See 138244 for more information. + int argc2; + LPWSTR* argv2 = GetCommandArgs(&argc2); + + if (argc2 > 1) + { + int n; + + for (n = 1; n < argc2; n++) + { + if (0 == wcsnicmp(argv2[n], L"-headless", 9) + || 0 == wcsnicmp(argv2[n], L"--headless", 10)) + { + bHeadlessMode = TRUE; + } + } + } + + LocalFree(argv2); + } + + if (_ltow(static_cast<long>(GetCurrentProcessId()), szParentProcessId, 10) && bHeadlessMode) + SetEnvironmentVariableW(L"ATTACHED_PARENT_PROCESSID", szParentProcessId); + + PROCESS_INFORMATION aProcessInfo; + + fSuccess = CreateProcessW(szTargetFileName, lpCommandLine, nullptr, nullptr, TRUE, + bAllowConsole ? 0 : DETACHED_PROCESS, nullptr, szIniDirectory, + &aStartupInfo, &aProcessInfo); + + if (fSuccess) + { + DWORD dwWaitResult; + + do + { + // On Windows XP it seems as the desktop calls WaitForInputIdle after "OpenWith" so + // we have to do so as if we where processing any messages + + dwWaitResult = MsgWaitForMultipleObjects(1, &aProcessInfo.hProcess, FALSE, INFINITE, + QS_ALLEVENTS); + + if (WAIT_OBJECT_0 + 1 == dwWaitResult) + { + MSG msg; + + PeekMessageW(&msg, nullptr, 0, 0, PM_REMOVE); + } + } while (WAIT_OBJECT_0 + 1 == dwWaitResult); + + dwExitCode = 0; + GetExitCodeProcess(aProcessInfo.hProcess, &dwExitCode); + + CloseHandle(aProcessInfo.hProcess); + CloseHandle(aProcessInfo.hThread); + } + } while (fSuccess + && (EXITHELPER_CRASH_WITH_RESTART == dwExitCode + || EXITHELPER_NORMAL_RESTART == dwExitCode)); + delete[] lpCommandLine; + + return fSuccess ? dwExitCode : -1; +} + } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |