diff options
Diffstat (limited to 'shell/source/win32/SysShExec.cxx')
| -rw-r--r-- | shell/source/win32/SysShExec.cxx | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/shell/source/win32/SysShExec.cxx b/shell/source/win32/SysShExec.cxx new file mode 100644 index 000000000..7be77d634 --- /dev/null +++ b/shell/source/win32/SysShExec.cxx @@ -0,0 +1,436 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <algorithm> +#include <cassert> +#include <cstddef> +#include <string_view> + +#include <osl/diagnose.h> +#include <osl/process.h> +#include <sal/log.hxx> +#include "SysShExec.hxx" +#include <osl/file.hxx> +#include <sal/macros.h> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/security/AccessControlException.hpp> +#include <com/sun/star/system/SystemShellExecuteException.hpp> +#include <com/sun/star/system/SystemShellExecuteFlags.hpp> +#include <com/sun/star/uri/UriReferenceFactory.hpp> +#include <cppuhelper/supportsservice.hxx> +#include <o3tl/char16_t2wchar_t.hxx> +#include <o3tl/runtimetooustring.hxx> +#include <o3tl/safeCoInitUninit.hxx> +#include <o3tl/string_view.hxx> + +#include <prewin.h> +#include <Shlobj.h> +#include <systools/win32/comtools.hxx> +#include <postwin.h> + +using namespace ::com::sun::star::system::SystemShellExecuteFlags; + +namespace +{ + /* This is the error table that defines the mapping between OS error + codes and errno values */ + + struct errentry { + unsigned long oscode; /* OS return value */ + int errnocode; /* System V error code */ + }; + + struct errentry errtable[] = { + { ERROR_SUCCESS, osl_File_E_None }, /* 0 */ + { ERROR_INVALID_FUNCTION, osl_File_E_INVAL }, /* 1 */ + { ERROR_FILE_NOT_FOUND, osl_File_E_NOENT }, /* 2 */ + { ERROR_PATH_NOT_FOUND, osl_File_E_NOENT }, /* 3 */ + { ERROR_TOO_MANY_OPEN_FILES, osl_File_E_MFILE }, /* 4 */ + { ERROR_ACCESS_DENIED, osl_File_E_ACCES }, /* 5 */ + { ERROR_INVALID_HANDLE, osl_File_E_BADF }, /* 6 */ + { ERROR_ARENA_TRASHED, osl_File_E_NOMEM }, /* 7 */ + { ERROR_NOT_ENOUGH_MEMORY, osl_File_E_NOMEM }, /* 8 */ + { ERROR_INVALID_BLOCK, osl_File_E_NOMEM }, /* 9 */ + { ERROR_BAD_ENVIRONMENT, osl_File_E_2BIG }, /* 10 */ + { ERROR_BAD_FORMAT, osl_File_E_NOEXEC }, /* 11 */ + { ERROR_INVALID_ACCESS, osl_File_E_INVAL }, /* 12 */ + { ERROR_INVALID_DATA, osl_File_E_INVAL }, /* 13 */ + { ERROR_INVALID_DRIVE, osl_File_E_NOENT }, /* 15 */ + { ERROR_CURRENT_DIRECTORY, osl_File_E_ACCES }, /* 16 */ + { ERROR_NOT_SAME_DEVICE, osl_File_E_XDEV }, /* 17 */ + { ERROR_NO_MORE_FILES, osl_File_E_NOENT }, /* 18 */ + { ERROR_LOCK_VIOLATION, osl_File_E_ACCES }, /* 33 */ + { ERROR_BAD_NETPATH, osl_File_E_NOENT }, /* 53 */ + { ERROR_NETWORK_ACCESS_DENIED, osl_File_E_ACCES }, /* 65 */ + { ERROR_BAD_NET_NAME, osl_File_E_NOENT }, /* 67 */ + { ERROR_FILE_EXISTS, osl_File_E_EXIST }, /* 80 */ + { ERROR_CANNOT_MAKE, osl_File_E_ACCES }, /* 82 */ + { ERROR_FAIL_I24, osl_File_E_ACCES }, /* 83 */ + { ERROR_INVALID_PARAMETER, osl_File_E_INVAL }, /* 87 */ + { ERROR_NO_PROC_SLOTS, osl_File_E_AGAIN }, /* 89 */ + { ERROR_DRIVE_LOCKED, osl_File_E_ACCES }, /* 108 */ + { ERROR_BROKEN_PIPE, osl_File_E_PIPE }, /* 109 */ + { ERROR_DISK_FULL, osl_File_E_NOSPC }, /* 112 */ + { ERROR_INVALID_TARGET_HANDLE, osl_File_E_BADF }, /* 114 */ + { ERROR_INVALID_HANDLE, osl_File_E_INVAL }, /* 124 */ + { ERROR_WAIT_NO_CHILDREN, osl_File_E_CHILD }, /* 128 */ + { ERROR_CHILD_NOT_COMPLETE, osl_File_E_CHILD }, /* 129 */ + { ERROR_DIRECT_ACCESS_HANDLE, osl_File_E_BADF }, /* 130 */ + { ERROR_NEGATIVE_SEEK, osl_File_E_INVAL }, /* 131 */ + { ERROR_SEEK_ON_DEVICE, osl_File_E_ACCES }, /* 132 */ + { ERROR_DIR_NOT_EMPTY, osl_File_E_NOTEMPTY }, /* 145 */ + { ERROR_NOT_LOCKED, osl_File_E_ACCES }, /* 158 */ + { ERROR_BAD_PATHNAME, osl_File_E_NOENT }, /* 161 */ + { ERROR_MAX_THRDS_REACHED, osl_File_E_AGAIN }, /* 164 */ + { ERROR_LOCK_FAILED, osl_File_E_ACCES }, /* 167 */ + { ERROR_ALREADY_EXISTS, osl_File_E_EXIST }, /* 183 */ + { ERROR_FILENAME_EXCED_RANGE, osl_File_E_NOENT }, /* 206 */ + { ERROR_NESTING_NOT_ALLOWED, osl_File_E_AGAIN }, /* 215 */ + { ERROR_NOT_ENOUGH_QUOTA, osl_File_E_NOMEM } /* 1816 */ + }; + + /* size of the table */ + #define ERRTABLESIZE (SAL_N_ELEMENTS(errtable)) + + /* The following two constants must be the minimum and maximum + values in the (contiguous) range of osl_File_E_xec Failure errors. */ + #define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG + #define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN + + /* These are the low and high value in the range of errors that are + access violations */ + #define MIN_EACCES_RANGE ERROR_WRITE_PROTECT + #define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED + + + /*******************************************************************************/ + + oslFileError _mapError( DWORD dwError ) + { + unsigned i; + + /* check the table for the OS error code */ + for ( i = 0; i < ERRTABLESIZE; ++i ) + { + if ( dwError == errtable[i].oscode ) + return static_cast<oslFileError>(errtable[i].errnocode); + } + + /* The error code wasn't in the table. We check for a range of */ + /* osl_File_E_ACCES errors or exec failure errors (ENOEXEC). Otherwise */ + /* osl_File_E_INVAL is returned. */ + + if ( dwError >= MIN_EACCES_RANGE && dwError <= MAX_EACCES_RANGE) + return osl_File_E_ACCES; + else if ( dwError >= MIN_EXEC_ERROR && dwError <= MAX_EXEC_ERROR) + return osl_File_E_NOEXEC; + else + return osl_File_E_INVAL; + } + + #define MapError( oserror ) _mapError( oserror ) + + #define E_UNKNOWN_EXEC_ERROR -1 +} + +CSysShExec::CSysShExec( const css::uno::Reference< css::uno::XComponentContext >& xContext ) : + WeakComponentImplHelper< css::system::XSystemShellExecute, css::lang::XServiceInfo >( m_aMutex ), + m_xContext(xContext), + mnNbCallCoInitializeExForReinit(0) +{ + /* + * As this service is declared thread-affine, it is ensured to be called from a + * dedicated thread, so initialize COM here. + * + * We need COM to be initialized for STA, but osl thread get initialized for MTA. + * Once this changed, we can remove the uninitialize call. + */ + o3tl::safeCoInitializeEx(COINIT_APARTMENTTHREADED, mnNbCallCoInitializeExForReinit); +} +CSysShExec::~CSysShExec() +{ + o3tl::safeCoUninitializeReinit(COINIT_MULTITHREADED, mnNbCallCoInitializeExForReinit); +} + +namespace +{ +bool checkExtension(std::u16string_view extension, std::u16string_view denylist) { + assert(!extension.empty()); + for (std::size_t i = 0; i != std::u16string_view::npos;) { + std::u16string_view tok = o3tl::getToken(denylist, ';', i); + o3tl::starts_with(tok, u'.', &tok); + if (o3tl::equalsIgnoreAsciiCase(extension, tok)) { + return false; + } + } + return true; +} + +// This callback checks if the found window is the specified process's top-level window, +// and activates the first found such window. +BOOL CALLBACK FindAndActivateProcWnd(HWND hwnd, LPARAM lParam) +{ + if (!IsWindowVisible(hwnd)) + return TRUE; // continue enumeration + if (GetWindow(hwnd, GW_OWNER)) // not a top-level window + return TRUE; // continue enumeration + const DWORD nParamProcId = static_cast<DWORD>(lParam); + assert(nParamProcId != 0); + DWORD nWndProcId = 0; + (void)GetWindowThreadProcessId(hwnd, &nWndProcId); + if (nWndProcId != nParamProcId) + return TRUE; // continue enumeration + + // Found it! Bring it to front + if (IsIconic(hwnd)) + { + ShowWindow(hwnd, SW_RESTORE); + } + SetForegroundWindow(hwnd); + SetActiveWindow(hwnd); + return FALSE; // stop enumeration +} +} + +void SAL_CALL CSysShExec::execute( const OUString& aCommand, const OUString& aParameter, sal_Int32 nFlags ) +{ + // parameter checking + if (0 == aCommand.getLength()) + throw css::lang::IllegalArgumentException( + "Empty command", + static_cast< css::system::XSystemShellExecute* >( this ), + 1 ); + + if ((nFlags & ~(NO_SYSTEM_ERROR_MESSAGE | URIS_ONLY)) != 0) + throw css::lang::IllegalArgumentException( + "Invalid Flags specified", + static_cast< css::system::XSystemShellExecute* >( this ), + 3 ); + + OUString preprocessed_command(aCommand); + if ((nFlags & URIS_ONLY) != 0) + { + css::uno::Reference< css::uri::XUriReference > uri( + css::uri::UriReferenceFactory::create(m_xContext)->parse(aCommand)); + if (!(uri.is() && uri->isAbsolute())) + { + throw css::lang::IllegalArgumentException( + "XSystemShellExecute.execute URIS_ONLY with" + " non-absolute URI reference " + + aCommand, + static_cast< cppu::OWeakObject * >(this), 0); + } + if (uri->getScheme().equalsIgnoreAsciiCase("file")) { + // ShellExecuteExW appears to ignore the fragment of a file URL anyway, so remove it: + uri->clearFragment(); + OUString pathname; + auto const e1 + = osl::FileBase::getSystemPathFromFileURL(uri->getUriReference(), pathname); + if (e1 != osl::FileBase::E_None) { + throw css::lang::IllegalArgumentException( + ("XSystemShellExecute.execute, getSystemPathFromFileURL <" + aCommand + + "> failed with " + OUString::number(e1)), + {}, 0); + } + const int MAX_LONG_PATH = 32767; // max longpath on WinNT + if (pathname.getLength() >= MAX_LONG_PATH) + { + throw css::lang::IllegalArgumentException( + "XSystemShellExecute.execute, path <" + pathname + "> too long", {}, 0); + } + preprocessed_command = pathname; + wchar_t path[MAX_LONG_PATH]; + wcscpy_s(path, o3tl::toW(pathname.getStr())); + for (int i = 0;; ++i) { + // tdf#130216: normalize c:\path\to\something\..\else into c:\path\to\else + if (PathResolve(path, nullptr, PRF_VERIFYEXISTS | PRF_REQUIREABSOLUTE) == 0) + { + throw css::lang::IllegalArgumentException( + OUString::Concat(u"XSystemShellExecute.execute, PathResolve(") + o3tl::toU(path) + + ") failed", + {}, 0); + } + SHFILEINFOW info; + if (SHGetFileInfoW(path, 0, &info, sizeof info, SHGFI_EXETYPE) != 0) + { + throw css::security::AccessControlException( + "XSystemShellExecute.execute, cannot process <" + aCommand + ">", {}, {}); + } + if (SHGetFileInfoW(path, 0, &info, sizeof info, SHGFI_ATTRIBUTES) == 0) + { + throw css::lang::IllegalArgumentException( + OUString::Concat(u"XSystemShellExecute.execute, SHGetFileInfoW(") + o3tl::toU(path) + ") failed", {}, + 0); + } + if ((info.dwAttributes & SFGAO_LINK) == 0) { + break; + } + sal::systools::COMReference<IShellLinkW> link; + try + { + link.CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER); + } + catch (sal::systools::ComError& e) + { + throw css::lang::IllegalArgumentException( + ("XSystemShellExecute.execute, CoCreateInstance failed with " + + OUString::number(e.GetHresult())), + {}, 0); + } + sal::systools::COMReference<IPersistFile> file; + try { + file = link.QueryInterface<IPersistFile>(sal::systools::COM_QUERY_THROW); + } catch(sal::systools::ComError & e3) { + throw css::lang::IllegalArgumentException( + ("XSystemShellExecute.execute, QueryInterface failed with: " + + o3tl::runtimeToOUString(e3.what())), + {}, 0); + } + HRESULT e2 = file->Load(path, STGM_READ); + if (FAILED(e2)) { + throw css::lang::IllegalArgumentException( + ("XSystemShellExecute.execute, IPersistFile.Load failed with " + + OUString::number(e2)), + {}, 0); + } + e2 = link->Resolve(nullptr, SLR_UPDATE | SLR_NO_UI); + if (FAILED(e2)) { + throw css::lang::IllegalArgumentException( + ("XSystemShellExecute.execute, IShellLink.Resolve failed with " + + OUString::number(e2)), + {}, 0); + } + WIN32_FIND_DATAW wfd; + e2 = link->GetPath(path, SAL_N_ELEMENTS(path), &wfd, SLGP_RAWPATH); + if (FAILED(e2)) { + throw css::lang::IllegalArgumentException( + ("XSystemShellExecute.execute, IShellLink.GetPath failed with " + + OUString::number(e2)), + {}, 0); + } + // Fail at some arbitrary nesting depth, to avoid an infinite loop: + if (i == 30) { + throw css::lang::IllegalArgumentException( + "XSystemShellExecute.execute, link depth exceeded for <" + aCommand + ">", + {}, 0); + } + } + pathname = o3tl::toU(path); + // ShellExecuteExW appears to ignore trailing dots, so remove them: + while (pathname.endsWith(".", &pathname)) {} + auto const n = pathname.lastIndexOf('.'); + if (n > pathname.lastIndexOf('\\')) { + auto const ext = pathname.copy(n + 1); + if (!ext.isEmpty()) { + OUString env; + if (osl_getEnvironment(OUString("PATHEXT").pData, &env.pData) + != osl_Process_E_None) + { + SAL_INFO("shell", "osl_getEnvironment(PATHEXT) failed"); + } + if (!(checkExtension(ext, env) + && checkExtension( + ext, + u".ADE;.ADP;.APK;.APPLICATION;.APPX;.APPXBUNDLE;.BAT;.CAB;.CHM;.CLASS;" + ".CMD;.COM;.CPL;.DLL;.DMG;.EX;.EX_;.EXE;.GADGET;.HTA;.INF;.INS;.IPA;" + ".ISO;.ISP;.JAR;.JS;.JSE;.LIB;.LNK;.MDE;.MSC;.MSH;.MSH1;.MSH2;.MSHXML;" + ".MSH1XML;.MSH2XML;.MSI;.MSIX;.MSIXBUNDLE;.MSP;.MST;.NSH;.PIF;.PS1;" + ".PS1XML;.PS2;.PS2XML;.PSC1;.PSC2;.PY;.REG;.SCF;.SCR;.SCT;.SHB;.SYS;" + ".VB;.VBE;.VBS;.VXD;.WS;.WSC;.WSF;.WSH;"))) + { + throw css::security::AccessControlException( + "XSystemShellExecute.execute, cannot process <" + aCommand + ">", {}, + {}); + } + } + } + } + } + + SHELLEXECUTEINFOW sei; + ZeroMemory(&sei, sizeof( sei)); + + sei.cbSize = sizeof(sei); + sei.lpFile = o3tl::toW(preprocessed_command.getStr()); + sei.lpParameters = o3tl::toW(aParameter.getStr()); + sei.nShow = SW_SHOWNORMAL; + sei.fMask = SEE_MASK_NOCLOSEPROCESS; // we need sei.hProcess + + if (NO_SYSTEM_ERROR_MESSAGE & nFlags) + sei.fMask |= SEE_MASK_FLAG_NO_UI; + + SetLastError( 0 ); + + bool bRet = ShellExecuteExW(&sei); + + if (!bRet && (nFlags & NO_SYSTEM_ERROR_MESSAGE)) + { + // ShellExecuteEx fails to set an error code + // we return osl_File_E_INVAL + sal_Int32 psxErr = GetLastError(); + if (ERROR_SUCCESS == psxErr) + psxErr = E_UNKNOWN_EXEC_ERROR; + else + psxErr = MapError(psxErr); + + throw css::system::SystemShellExecuteException( + "Error executing command", + static_cast< css::system::XSystemShellExecute* >(this), + psxErr); + } + else + { + // Get Permission make changes to the Window of the created Process + const DWORD procId = GetProcessId(sei.hProcess); + if (procId != 0) + { + AllowSetForegroundWindow(procId); + WaitForInputIdle(sei.hProcess, 1000); // so that main window is created; imperfect + EnumWindows(FindAndActivateProcWnd, static_cast<LPARAM>(procId)); + } + } + + // Close the handle for the created childprocess when we are done + CloseHandle(sei.hProcess); +} + +// XServiceInfo + +OUString SAL_CALL CSysShExec::getImplementationName( ) +{ + return "com.sun.star.sys.shell.SystemShellExecute"; +} + +sal_Bool SAL_CALL CSysShExec::supportsService( const OUString& ServiceName ) +{ + return cppu::supportsService(this, ServiceName); +} + +css::uno::Sequence< OUString > SAL_CALL CSysShExec::getSupportedServiceNames( ) +{ + return { "com.sun.star.system.SystemShellExecute" }; +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +shell_CSysShExec_get_implementation( + css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&) +{ + return cppu::acquire(new CSysShExec(context)); +} +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |