1 /*
2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "Platform.h"
27
28 #include "JavaVirtualMachine.h"
29 #include "WindowsPlatform.h"
30 #include "Package.h"
31 #include "Helpers.h"
32 #include "PlatformString.h"
33 #include "Macros.h"
34
35 #include <map>
36 #include <vector>
37 #include <regex>
38 #include <fstream>
39 #include <locale>
40 #include <codecvt>
41
42 using namespace std;
43
44 #define WINDOWS_JPACKAGE_TMP_DIR \
45 L"\\AppData\\Local\\Java\\JPackage\\tmp"
46
47 class Registry {
48 private:
49 HKEY FKey;
50 HKEY FOpenKey;
51 bool FOpen;
52
53 public:
54
55 Registry(HKEY Key) {
56 FOpen = false;
57 FKey = Key;
58 }
59
60 ~Registry() {
61 Close();
62 }
63
64 void Close() {
65 if (FOpen == true) {
66 RegCloseKey(FOpenKey);
67 }
68 }
69
70 bool Open(TString SubKey) {
71 bool result = false;
72 Close();
73
74 if (RegOpenKeyEx(FKey, SubKey.data(), 0, KEY_READ, &FOpenKey) ==
75 ERROR_SUCCESS) {
76 result = true;
77 }
78
79 return result;
80 }
81
82 std::list<TString> GetKeys() {
83 std::list<TString> result;
84 DWORD count;
85
86 if (RegQueryInfoKey(FOpenKey, NULL, NULL, NULL, NULL, NULL, NULL,
87 &count, NULL, NULL, NULL, NULL) == ERROR_SUCCESS) {
88
89 DWORD length = 255;
90 DynamicBuffer<TCHAR> buffer(length);
91 if (buffer.GetData() == NULL) {
92 return result;
93 }
94
95 for (unsigned int index = 0; index < count; index++) {
96 buffer.Zero();
97 DWORD status = RegEnumValue(FOpenKey, index, buffer.GetData(),
98 &length, NULL, NULL, NULL, NULL);
99
100 while (status == ERROR_MORE_DATA) {
101 length = length * 2;
102 if (!buffer.Resize(length)) {
103 return result;
104 }
105 status = RegEnumValue(FOpenKey, index, buffer.GetData(),
106 &length, NULL, NULL, NULL, NULL);
107 }
108
109 if (status == ERROR_SUCCESS) {
110 TString value = buffer.GetData();
111 result.push_back(value);
112 }
113 }
114 }
115
116 return result;
117 }
118
119 TString ReadString(TString Name) {
120 TString result;
121 DWORD length;
122 DWORD dwRet;
123 DynamicBuffer<wchar_t> buffer(0);
124 length = 0;
125
126 dwRet = RegQueryValueEx(FOpenKey, Name.data(), NULL, NULL, NULL,
127 &length);
128 if (dwRet == ERROR_MORE_DATA || dwRet == 0) {
129 if (!buffer.Resize(length + 1)) {
130 return result;
131 }
132 dwRet = RegQueryValueEx(FOpenKey, Name.data(), NULL, NULL,
133 (LPBYTE) buffer.GetData(), &length);
134 result = buffer.GetData();
135 }
136
137 return result;
138 }
139 };
140
141 WindowsPlatform::WindowsPlatform(void) : Platform() {
142 FMainThread = ::GetCurrentThreadId();
143 }
144
145 WindowsPlatform::~WindowsPlatform(void) {
146 }
147
148 TString WindowsPlatform::GetPackageAppDirectory() {
149 return FilePath::IncludeTrailingSeparator(
150 GetPackageRootDirectory()) + _T("app");
151 }
152
153 TString WindowsPlatform::GetPackageLauncherDirectory() {
154 return GetPackageRootDirectory();
155 }
156
157 TString WindowsPlatform::GetPackageRuntimeBinDirectory() {
158 return FilePath::IncludeTrailingSeparator(GetPackageRootDirectory()) + _T("runtime\\bin");
159 }
160
161 TCHAR* WindowsPlatform::ConvertStringToFileSystemString(TCHAR* Source,
162 bool &release) {
163 // Not Implemented.
164 return NULL;
165 }
166
167 TCHAR* WindowsPlatform::ConvertFileSystemStringToString(TCHAR* Source,
168 bool &release) {
169 // Not Implemented.
170 return NULL;
171 }
172
173 void WindowsPlatform::SetCurrentDirectory(TString Value) {
174 _wchdir(Value.data());
175 }
176
177 TString WindowsPlatform::GetPackageRootDirectory() {
178 TString filename = GetModuleFileName();
179 return FilePath::ExtractFilePath(filename);
180 }
181
182 TString WindowsPlatform::GetAppDataDirectory() {
183 TString result;
184 TCHAR path[MAX_PATH];
185
186 if (SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, path) == S_OK) {
187 result = path;
188 }
189
190 return result;
191 }
192
193 TString WindowsPlatform::GetAppName() {
194 TString result = GetModuleFileName();
195 result = FilePath::ExtractFileName(result);
196 result = FilePath::ChangeFileExt(result, _T(""));
197 return result;
198 }
199
200 void WindowsPlatform::ShowMessage(TString title, TString description) {
201 MessageBox(NULL, description.data(),
202 !title.empty() ? title.data() : description.data(),
203 MB_ICONERROR | MB_OK);
204 }
205
206 void WindowsPlatform::ShowMessage(TString description) {
207 TString appname = GetModuleFileName();
208 appname = FilePath::ExtractFileName(appname);
209 MessageBox(NULL, description.data(), appname.data(), MB_ICONERROR | MB_OK);
210 }
211
212 MessageResponse WindowsPlatform::ShowResponseMessage(TString title,
213 TString description) {
214 MessageResponse result = mrCancel;
215
216 if (::MessageBox(NULL, description.data(), title.data(), MB_OKCANCEL) ==
217 IDOK) {
218 result = mrOK;
219 }
220
221 return result;
222 }
223
224 TString WindowsPlatform::GetBundledJavaLibraryFileName(TString RuntimePath) {
225 TString result = FilePath::IncludeTrailingSeparator(RuntimePath) +
226 _T("jre\\bin\\jli.dll");
227
228 if (FilePath::FileExists(result) == false) {
229 result = FilePath::IncludeTrailingSeparator(RuntimePath) +
230 _T("bin\\jli.dll");
231 }
232
233 return result;
234 }
235
236 ISectionalPropertyContainer* WindowsPlatform::GetConfigFile(TString FileName) {
237 IniFile *result = new IniFile();
238 if (result == NULL) {
239 return NULL;
240 }
241
242 result->LoadFromFile(FileName);
243
244 return result;
245 }
246
247 TString WindowsPlatform::GetModuleFileName() {
248 TString result;
249 DynamicBuffer<wchar_t> buffer(MAX_PATH);
250 if (buffer.GetData() == NULL) {
251 return result;
252 }
253
254 ::GetModuleFileName(NULL, buffer.GetData(),
255 static_cast<DWORD> (buffer.GetSize()));
256
257 while (ERROR_INSUFFICIENT_BUFFER == GetLastError()) {
258 if (!buffer.Resize(buffer.GetSize() * 2)) {
259 return result;
260 }
261 ::GetModuleFileName(NULL, buffer.GetData(),
262 static_cast<DWORD> (buffer.GetSize()));
263 }
264
265 result = buffer.GetData();
266 return result;
267 }
268
269 Module WindowsPlatform::LoadLibrary(TString FileName) {
270 return ::LoadLibrary(FileName.data());
271 }
272
273 void WindowsPlatform::FreeLibrary(Module AModule) {
274 ::FreeLibrary((HMODULE) AModule);
275 }
276
277 Procedure WindowsPlatform::GetProcAddress(Module AModule,
278 std::string MethodName) {
279 return ::GetProcAddress((HMODULE) AModule, MethodName.c_str());
280 }
281
282 bool WindowsPlatform::IsMainThread() {
283 bool result = (FMainThread == ::GetCurrentThreadId());
284 return result;
285 }
286
287 TString WindowsPlatform::GetTempDirectory() {
288 TString result;
289 PWSTR userDir = 0;
290
291 if (SUCCEEDED(SHGetKnownFolderPath(
292 FOLDERID_Profile,
293 0,
294 NULL,
295 &userDir))) {
296 result = userDir;
297 result += WINDOWS_JPACKAGE_TMP_DIR;
298 CoTaskMemFree(userDir);
299 }
300
301 return result;
302 }
303
304 static BOOL CALLBACK enumWindows(HWND winHandle, LPARAM lParam) {
305 DWORD pid = (DWORD) lParam, wPid = 0;
306 GetWindowThreadProcessId(winHandle, &wPid);
307 if (pid == wPid) {
308 SetForegroundWindow(winHandle);
309 return FALSE;
310 }
311 return TRUE;
312 }
313
314 TPlatformNumber WindowsPlatform::GetMemorySize() {
315 SYSTEM_INFO si;
316 GetSystemInfo(&si);
317 size_t result = (size_t) si.lpMaximumApplicationAddress;
318 result = result / 1048576; // Convert from bytes to megabytes.
319 return result;
320 }
321
322 std::vector<TString> FilterList(std::vector<TString> &Items,
323 std::wregex Pattern) {
324 std::vector<TString> result;
325
326 for (std::vector<TString>::iterator it = Items.begin();
327 it != Items.end(); ++it) {
328 TString item = *it;
329 std::wsmatch match;
330
331 if (std::regex_search(item, match, Pattern)) {
332 result.push_back(item);
333 }
334 }
335 return result;
336 }
337
338 Process* WindowsPlatform::CreateProcess() {
339 return new WindowsProcess();
340 }
341
342 void WindowsPlatform::InitStreamLocale(wios *stream) {
343 const std::locale empty_locale = std::locale::empty();
344 const std::locale utf8_locale =
345 std::locale(empty_locale, new std::codecvt_utf8<wchar_t>());
346 stream->imbue(utf8_locale);
347 }
348
349 void WindowsPlatform::addPlatformDependencies(JavaLibrary *pJavaLibrary) {
350 if (pJavaLibrary == NULL) {
351 return;
352 }
353
354 if (FilePath::FileExists(_T("msvcr100.dll")) == true) {
355 pJavaLibrary->AddDependency(_T("msvcr100.dll"));
356 }
357
358 TString runtimeBin = GetPackageRuntimeBinDirectory();
359 SetDllDirectory(runtimeBin.c_str());
360 }
361
362 void Platform::CopyString(char *Destination,
363 size_t NumberOfElements, const char *Source) {
364 strcpy_s(Destination, NumberOfElements, Source);
365
366 if (NumberOfElements > 0) {
367 Destination[NumberOfElements - 1] = '\0';
368 }
369 }
370
371 void Platform::CopyString(wchar_t *Destination,
372 size_t NumberOfElements, const wchar_t *Source) {
373 wcscpy_s(Destination, NumberOfElements, Source);
374
375 if (NumberOfElements > 0) {
376 Destination[NumberOfElements - 1] = '\0';
377 }
378 }
379
380 // Owner must free the return value.
381 MultibyteString Platform::WideStringToMultibyteString(
382 const wchar_t* value) {
383 MultibyteString result;
384 size_t count = 0;
385
386 if (value == NULL) {
387 return result;
388 }
389
390 count = WideCharToMultiByte(CP_UTF8, 0, value, -1, NULL, 0, NULL, NULL);
391
392 if (count > 0) {
393 result.data = new char[count + 1];
394 result.length = WideCharToMultiByte(CP_UTF8, 0, value, -1,
395 result.data, (int)count, NULL, NULL);
396 }
397
398 return result;
399 }
400
401 // Owner must free the return value.
402 WideString Platform::MultibyteStringToWideString(const char* value) {
403 WideString result;
404 size_t count = 0;
405
406 if (value == NULL) {
407 return result;
408 }
409
410 mbstowcs_s(&count, NULL, 0, value, _TRUNCATE);
411
412 if (count > 0) {
413 result.data = new wchar_t[count + 1];
414 mbstowcs_s(&result.length, result.data, count, value, count);
415 }
416
417 return result;
418 }
419
420 FileHandle::FileHandle(std::wstring FileName) {
421 FHandle = ::CreateFile(FileName.data(), GENERIC_READ, FILE_SHARE_READ,
422 NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
423 }
424
425 FileHandle::~FileHandle() {
426 if (IsValid() == true) {
427 ::CloseHandle(FHandle);
428 }
429 }
430
431 bool FileHandle::IsValid() {
432 return FHandle != INVALID_HANDLE_VALUE;
433 }
434
435 HANDLE FileHandle::GetHandle() {
436 return FHandle;
437 }
438
439 FileMappingHandle::FileMappingHandle(HANDLE FileHandle) {
440 FHandle = ::CreateFileMapping(FileHandle, NULL, PAGE_READONLY, 0, 0, NULL);
441 }
442
443 bool FileMappingHandle::IsValid() {
444 return FHandle != NULL;
445 }
446
447 FileMappingHandle::~FileMappingHandle() {
448 if (IsValid() == true) {
449 ::CloseHandle(FHandle);
450 }
451 }
452
453 HANDLE FileMappingHandle::GetHandle() {
454 return FHandle;
455 }
456
457 FileData::FileData(HANDLE Handle) {
458 FBaseAddress = ::MapViewOfFile(Handle, FILE_MAP_READ, 0, 0, 0);
459 }
460
461 FileData::~FileData() {
462 if (IsValid() == true) {
463 ::UnmapViewOfFile(FBaseAddress);
464 }
465 }
466
467 bool FileData::IsValid() {
468 return FBaseAddress != NULL;
469 }
470
471 LPVOID FileData::GetBaseAddress() {
472 return FBaseAddress;
473 }
474
475 WindowsLibrary::WindowsLibrary(std::wstring FileName) {
476 FFileName = FileName;
477 }
478
479 std::vector<TString> WindowsLibrary::GetImports() {
480 std::vector<TString> result;
481 FileHandle library(FFileName);
482
483 if (library.IsValid() == true) {
484 FileMappingHandle mapping(library.GetHandle());
485
486 if (mapping.IsValid() == true) {
487 FileData fileData(mapping.GetHandle());
488
489 if (fileData.IsValid() == true) {
490 PIMAGE_DOS_HEADER dosHeader =
491 (PIMAGE_DOS_HEADER) fileData.GetBaseAddress();
492 PIMAGE_FILE_HEADER pImgFileHdr =
493 (PIMAGE_FILE_HEADER) fileData.GetBaseAddress();
494 if (dosHeader->e_magic == IMAGE_DOS_SIGNATURE) {
495 result = DumpPEFile(dosHeader);
496 }
497 }
498 }
499 }
500
501 return result;
502 }
503
504 // Given an RVA, look up the section header that encloses it and return a
505 // pointer to its IMAGE_SECTION_HEADER
506
507 PIMAGE_SECTION_HEADER WindowsLibrary::GetEnclosingSectionHeader(DWORD rva,
508 PIMAGE_NT_HEADERS pNTHeader) {
509 PIMAGE_SECTION_HEADER result = 0;
510 PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(pNTHeader);
511
512 for (unsigned index = 0; index < pNTHeader->FileHeader.NumberOfSections;
513 index++, section++) {
514 // Is the RVA is within this section?
515 if ((rva >= section->VirtualAddress) &&
516 (rva < (section->VirtualAddress + section->Misc.VirtualSize))) {
517 result = section;
518 }
519 }
520
521 return result;
522 }
523
524 LPVOID WindowsLibrary::GetPtrFromRVA(DWORD rva, PIMAGE_NT_HEADERS pNTHeader,
525 DWORD imageBase) {
526 LPVOID result = 0;
527 PIMAGE_SECTION_HEADER pSectionHdr = GetEnclosingSectionHeader(rva,
528 pNTHeader);
529
530 if (pSectionHdr != NULL) {
531 INT delta = (INT) (
532 pSectionHdr->VirtualAddress - pSectionHdr->PointerToRawData);
533 DWORD_PTR dwp = (DWORD_PTR) (imageBase + rva - delta);
534 result = reinterpret_cast<LPVOID> (dwp); // VS2017 - FIXME
535 }
536
537 return result;
538 }
539
540 std::vector<TString> WindowsLibrary::GetImportsSection(DWORD base,
541 PIMAGE_NT_HEADERS pNTHeader) {
542 std::vector<TString> result;
543
544 // Look up where the imports section is located. Normally in
545 // the .idata section,
546 // but not necessarily so. Therefore, grab the RVA from the data dir.
547 DWORD importsStartRVA = pNTHeader->OptionalHeader.DataDirectory[
548 IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress;
549
550 if (importsStartRVA != NULL) {
551 // Get the IMAGE_SECTION_HEADER that contains the imports. This is
552 // usually the .idata section, but doesn't have to be.
553 PIMAGE_SECTION_HEADER pSection =
554 GetEnclosingSectionHeader(importsStartRVA, pNTHeader);
555
556 if (pSection != NULL) {
557 PIMAGE_IMPORT_DESCRIPTOR importDesc =
558 (PIMAGE_IMPORT_DESCRIPTOR) GetPtrFromRVA(
559 importsStartRVA, pNTHeader, base);
560
561 if (importDesc != NULL) {
562 while (true) {
563 // See if we've reached an empty IMAGE_IMPORT_DESCRIPTOR
564 if ((importDesc->TimeDateStamp == 0) &&
565 (importDesc->Name == 0)) {
566 break;
567 }
568
569 std::string filename = (char*) GetPtrFromRVA(
570 importDesc->Name, pNTHeader, base);
571 result.push_back(PlatformString(filename));
572 importDesc++; // advance to next IMAGE_IMPORT_DESCRIPTOR
573 }
574 }
575 }
576 }
577
578 return result;
579 }
580
581 std::vector<TString> WindowsLibrary::DumpPEFile(PIMAGE_DOS_HEADER dosHeader) {
582 std::vector<TString> result;
583 // all of this is VS2017 - FIXME
584 DWORD_PTR dwDosHeaders = reinterpret_cast<DWORD_PTR> (dosHeader);
585 DWORD_PTR dwPIHeaders = dwDosHeaders + (DWORD) (dosHeader->e_lfanew);
586
587 PIMAGE_NT_HEADERS pNTHeader =
588 reinterpret_cast<PIMAGE_NT_HEADERS> (dwPIHeaders);
589
590 // Verify that the e_lfanew field gave us a reasonable
591 // pointer and the PE signature.
592 // TODO: To really fix JDK-8131321 this condition needs to be changed.
593 // There is a matching change
594 // in JavaVirtualMachine.cpp that also needs to be changed.
595 if (pNTHeader->Signature == IMAGE_NT_SIGNATURE) {
596 DWORD base = (DWORD) (dwDosHeaders);
597 result = GetImportsSection(base, pNTHeader);
598 }
599
600 return result;
601 }
602
603 #include <TlHelp32.h>
604
605 WindowsJob::WindowsJob() {
606 FHandle = NULL;
607 }
608
609 WindowsJob::~WindowsJob() {
610 if (FHandle != NULL) {
611 CloseHandle(FHandle);
612 }
613 }
614
615 HANDLE WindowsJob::GetHandle() {
616 if (FHandle == NULL) {
617 FHandle = CreateJobObject(NULL, NULL); // GLOBAL
618
619 if (FHandle == NULL) {
620 ::MessageBox(0, _T("Could not create job object"),
621 _T("TEST"), MB_OK);
622 } else {
623 JOBOBJECT_EXTENDED_LIMIT_INFORMATION jeli = {0};
624
625 // Configure all child processes associated with
626 // the job to terminate when the
627 jeli.BasicLimitInformation.LimitFlags =
628 JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
629 if (0 == SetInformationJobObject(FHandle,
630 JobObjectExtendedLimitInformation, &jeli, sizeof (jeli))) {
631 ::MessageBox(0, _T("Could not SetInformationJobObject"),
632 _T("TEST"), MB_OK);
633 }
634 }
635 }
636
637 return FHandle;
638 }
639
640 // Initialize static member of WindowsProcess
641 WindowsJob WindowsProcess::FJob;
642
643 WindowsProcess::WindowsProcess() : Process() {
644 FRunning = false;
645 }
646
647 WindowsProcess::~WindowsProcess() {
648 Terminate();
649 }
650
651 void WindowsProcess::Cleanup() {
652 CloseHandle(FProcessInfo.hProcess);
653 CloseHandle(FProcessInfo.hThread);
654 }
655
656 bool WindowsProcess::IsRunning() {
657 bool result = false;
658
659 HANDLE handle = ::CreateToolhelp32Snapshot(TH32CS_SNAPALL, 0);
660 if (handle == INVALID_HANDLE_VALUE) {
661 return false;
662 }
663
664 PROCESSENTRY32 process = {0};
665 process.dwSize = sizeof (process);
666
667 if (::Process32First(handle, &process)) {
668 do {
669 if (process.th32ProcessID == FProcessInfo.dwProcessId) {
670 result = true;
671 break;
672 }
673 } while (::Process32Next(handle, &process));
674 }
675
676 CloseHandle(handle);
677
678 return result;
679 }
680
681 bool WindowsProcess::Terminate() {
682 bool result = false;
683
684 if (IsRunning() == true && FRunning == true) {
685 FRunning = false;
686 }
687
688 return result;
689 }
690
691 bool WindowsProcess::Execute(const TString Application,
692 const std::vector<TString> Arguments, bool AWait) {
693 bool result = false;
694
695 if (FRunning == false) {
696 FRunning = true;
697
698 STARTUPINFO startupInfo;
699 ZeroMemory(&startupInfo, sizeof (startupInfo));
700 startupInfo.cb = sizeof (startupInfo);
701 ZeroMemory(&FProcessInfo, sizeof (FProcessInfo));
702
703 TString command = Application;
704
705 for (std::vector<TString>::const_iterator iterator = Arguments.begin();
706 iterator != Arguments.end(); iterator++) {
707 command += TString(_T(" ")) + *iterator;
708 }
709
710 if (::CreateProcess(Application.data(), (wchar_t*)command.data(), NULL,
711 NULL, FALSE, 0, NULL, NULL, &startupInfo, &FProcessInfo) == FALSE) {
712 TString message = PlatformString::Format(
713 _T("Error: Unable to create process %s"),
714 Application.data());
715 throw Exception(message);
716 } else {
717 if (FJob.GetHandle() != NULL) {
718 if (::AssignProcessToJobObject(FJob.GetHandle(),
719 FProcessInfo.hProcess) == 0) {
720 // Failed to assign process to job. It doesn't prevent
721 // anything from continuing so continue.
722 }
723 }
724
725 // Wait until child process exits.
726 if (AWait == true) {
727 Wait();
728 // Close process and thread handles.
729 Cleanup();
730 }
731 }
732 }
733
734 return result;
735 }
736
737 bool WindowsProcess::Wait() {
738 bool result = false;
739
740 WaitForSingleObject(FProcessInfo.hProcess, INFINITE);
741 return result;
742 }
743
744 TProcessID WindowsProcess::GetProcessID() {
745 return FProcessInfo.dwProcessId;
746 }
747
748 bool WindowsProcess::ReadOutput() {
749 bool result = false;
750 // TODO implement
751 return result;
752 }
753
754 void WindowsProcess::SetInput(TString Value) {
755 // TODO implement
756 }
757
758 std::list<TString> WindowsProcess::GetOutput() {
759 ReadOutput();
760 return Process::GetOutput();
761 }