| File: | var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp |
| Warning: | line 184, column 14 Value stored to 'rv' during its initialization is never read |
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| 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 6 | |
| 7 | #include "nsXULAppAPI.h" |
| 8 | #include "jsapi.h" |
| 9 | #include "jsfriendapi.h" |
| 10 | #include "js/Array.h" // JS::NewArrayObject |
| 11 | #include "js/CallAndConstruct.h" // JS_CallFunctionValue |
| 12 | #include "js/CharacterEncoding.h" |
| 13 | #include "js/CompilationAndEvaluation.h" // JS::Evaluate |
| 14 | #include "js/ContextOptions.h" |
| 15 | #include "js/Printf.h" |
| 16 | #include "js/PropertyAndElement.h" // JS_DefineElement, JS_DefineFunctions, JS_DefineProperty |
| 17 | #include "js/PropertySpec.h" |
| 18 | #include "js/SourceText.h" // JS::SourceText |
| 19 | #include "mozilla/ChaosMode.h" |
| 20 | #include "mozilla/dom/AutoEntryScript.h" |
| 21 | #include "mozilla/dom/ScriptSettings.h" |
| 22 | #include "mozilla/IOInterposer.h" |
| 23 | #include "mozilla/Preferences.h" |
| 24 | #include "mozilla/Utf8.h" // mozilla::Utf8Unit |
| 25 | #include "nsServiceManagerUtils.h" |
| 26 | #include "nsComponentManagerUtils.h" |
| 27 | #include "nsExceptionHandler.h" |
| 28 | #include "nsIServiceManager.h" |
| 29 | #include "nsIFile.h" |
| 30 | #include "nsString.h" |
| 31 | #include "nsIDirectoryService.h" |
| 32 | #include "nsDirectoryServiceDefs.h" |
| 33 | #include "nsAppDirectoryServiceDefs.h" |
| 34 | #include "nscore.h" |
| 35 | #include "nsArrayEnumerator.h" |
| 36 | #include "nsCOMArray.h" |
| 37 | #include "nsDirectoryServiceUtils.h" |
| 38 | #include "nsCOMPtr.h" |
| 39 | #include "nsJSPrincipals.h" |
| 40 | #include "nsJSUtils.h" |
| 41 | #include "xpcpublic.h" |
| 42 | #include "xpcprivate.h" |
| 43 | #include "BackstagePass.h" |
| 44 | #include "nsIScriptSecurityManager.h" |
| 45 | #include "nsIPrincipal.h" |
| 46 | #include "nsJSUtils.h" |
| 47 | |
| 48 | #include "nsIXULRuntime.h" |
| 49 | #include "nsIAppStartup.h" |
| 50 | #include "Components.h" |
| 51 | #include "ProfilerControl.h" |
| 52 | |
| 53 | #ifdef ANDROID |
| 54 | # include <android/log.h> |
| 55 | # include "XREShellData.h" |
| 56 | #endif |
| 57 | |
| 58 | #ifdef XP_WIN |
| 59 | # include "mozilla/mscom/ProcessRuntime.h" |
| 60 | # include "mozilla/ScopeExit.h" |
| 61 | # include "mozilla/widget/AudioSession.h" |
| 62 | # include "mozilla/WinDllServices.h" |
| 63 | # include "mozilla/WindowsBCryptInitialization.h" |
| 64 | # include <windows.h> |
| 65 | # if defined(MOZ_SANDBOX1) |
| 66 | # include "XREShellData.h" |
| 67 | # include "sandboxBroker.h" |
| 68 | # endif |
| 69 | #endif |
| 70 | |
| 71 | #ifdef MOZ_CODE_COVERAGE |
| 72 | # include "mozilla/CodeCoverageHandler.h" |
| 73 | #endif |
| 74 | |
| 75 | // all this crap is needed to do the interactive shell stuff |
| 76 | #include <stdlib.h> |
| 77 | #include <errno(*__errno_location ()).h> |
| 78 | #ifdef HAVE_IO_H |
| 79 | # include <io.h> /* for isatty() */ |
| 80 | #endif |
| 81 | #ifdef HAVE_UNISTD_H1 |
| 82 | # include <unistd.h> /* for isatty() */ |
| 83 | #endif |
| 84 | |
| 85 | #ifdef ENABLE_TESTS1 |
| 86 | # include "xpctest_private.h" |
| 87 | #endif |
| 88 | |
| 89 | // Fuzzing support for XPC runtime fuzzing |
| 90 | #ifdef FUZZING_INTERFACES |
| 91 | # include "xpcrtfuzzing/xpcrtfuzzing.h" |
| 92 | # include "XREShellData.h" |
| 93 | static bool fuzzDoDebug = !!getenv("MOZ_FUZZ_DEBUG"); |
| 94 | static bool fuzzHaveModule = !!getenv("FUZZER"); |
| 95 | #endif // FUZZING_INTERFACES |
| 96 | |
| 97 | using namespace mozilla; |
| 98 | using namespace JS; |
| 99 | using mozilla::dom::AutoEntryScript; |
| 100 | using mozilla::dom::AutoJSAPI; |
| 101 | |
| 102 | class XPCShellDirProvider : public nsIDirectoryServiceProvider2 { |
| 103 | public: |
| 104 | NS_DECL_ISUPPORTS_INHERITEDpublic: virtual nsresult QueryInterface(const nsIID& aIID , void** aInstancePtr) override; virtual MozExternalRefCountType AddRef(void) override; virtual MozExternalRefCountType Release (void) override; |
| 105 | NS_DECL_NSIDIRECTORYSERVICEPROVIDERvirtual nsresult GetFile(const char * prop, bool *persistent, nsIFile **_retval) override; |
| 106 | NS_DECL_NSIDIRECTORYSERVICEPROVIDER2virtual nsresult GetFiles(const char * prop, nsISimpleEnumerator **_retval) override; |
| 107 | |
| 108 | XPCShellDirProvider() = default; |
| 109 | ~XPCShellDirProvider() = default; |
| 110 | |
| 111 | // The platform resource folder |
| 112 | void SetGREDirs(nsIFile* greDir); |
| 113 | void ClearGREDirs() { |
| 114 | mGREDir = nullptr; |
| 115 | mGREBinDir = nullptr; |
| 116 | } |
| 117 | // The application resource folder |
| 118 | void SetAppDir(nsIFile* appFile); |
| 119 | void ClearAppDir() { mAppDir = nullptr; } |
| 120 | // The app executable |
| 121 | void SetAppFile(nsIFile* appFile); |
| 122 | void ClearAppFile() { mAppFile = nullptr; } |
| 123 | |
| 124 | private: |
| 125 | nsCOMPtr<nsIFile> mGREDir; |
| 126 | nsCOMPtr<nsIFile> mGREBinDir; |
| 127 | nsCOMPtr<nsIFile> mAppDir; |
| 128 | nsCOMPtr<nsIFile> mAppFile; |
| 129 | }; |
| 130 | |
| 131 | #ifdef XP_WIN |
| 132 | class MOZ_STACK_CLASS AutoAudioSession { |
| 133 | public: |
| 134 | AutoAudioSession() { widget::StartAudioSession(); } |
| 135 | |
| 136 | ~AutoAudioSession() { widget::StopAudioSession(); } |
| 137 | }; |
| 138 | #endif |
| 139 | |
| 140 | #define EXITCODE_RUNTIME_ERROR3 3 |
| 141 | #define EXITCODE_FILE_NOT_FOUND4 4 |
| 142 | |
| 143 | static FILE* gOutFile = nullptr; |
| 144 | static FILE* gErrFile = nullptr; |
| 145 | static FILE* gInFile = nullptr; |
| 146 | |
| 147 | static int gExitCode = 0; |
| 148 | static bool gQuitting = false; |
| 149 | static bool reportWarnings = true; |
| 150 | static bool compileOnly = false; |
| 151 | |
| 152 | static JSPrincipals* gJSPrincipals = nullptr; |
| 153 | static nsAutoString* gWorkingDirectory = nullptr; |
| 154 | |
| 155 | static bool GetLocationProperty(JSContext* cx, unsigned argc, Value* vp) { |
| 156 | CallArgs args = CallArgsFromVp(argc, vp); |
| 157 | if (!args.thisv().isObject()) { |
| 158 | JS_ReportErrorASCII(cx, "Unexpected this value for GetLocationProperty"); |
| 159 | return false; |
| 160 | } |
| 161 | #if !defined(XP_WIN) && !defined(XP_UNIX1) |
| 162 | // XXX: your platform should really implement this |
| 163 | return false; |
| 164 | #else |
| 165 | JS::AutoFilename filename; |
| 166 | if (JS::DescribeScriptedCaller(cx, &filename) && filename.get()) { |
| 167 | NS_ConvertUTF8toUTF16 filenameString(filename.get()); |
| 168 | |
| 169 | # if defined(XP_WIN) |
| 170 | // replace forward slashes with backslashes, |
| 171 | // since nsLocalFileWin chokes on them |
| 172 | char16_t* start = filenameString.BeginWriting(); |
| 173 | char16_t* end = filenameString.EndWriting(); |
| 174 | |
| 175 | while (start != end) { |
| 176 | if (*start == L'/') { |
| 177 | *start = L'\\'; |
| 178 | } |
| 179 | start++; |
| 180 | } |
| 181 | # endif |
| 182 | |
| 183 | nsCOMPtr<nsIFile> location; |
| 184 | nsresult rv = |
Value stored to 'rv' during its initialization is never read | |
| 185 | NS_NewLocalFile(filenameString, false, getter_AddRefs(location)); |
| 186 | |
| 187 | if (!location && gWorkingDirectory) { |
| 188 | // could be a relative path, try appending it to the cwd |
| 189 | // and then normalize |
| 190 | nsAutoString absolutePath(*gWorkingDirectory); |
| 191 | absolutePath.Append(filenameString); |
| 192 | |
| 193 | rv = NS_NewLocalFile(absolutePath, false, getter_AddRefs(location)); |
| 194 | } |
| 195 | |
| 196 | if (location) { |
| 197 | bool symlink; |
| 198 | // don't normalize symlinks, because that's kind of confusing |
| 199 | if (NS_SUCCEEDED(location->IsSymlink(&symlink))((bool)(__builtin_expect(!!(!NS_FAILED_impl(location->IsSymlink (&symlink))), 1))) && !symlink) |
| 200 | location->Normalize(); |
| 201 | RootedObject locationObj(cx); |
| 202 | RootedObject scope(cx, JS::CurrentGlobalOrNull(cx)); |
| 203 | rv = nsXPConnect::XPConnect()->WrapNative( |
| 204 | cx, scope, location, NS_GET_IID(nsIFile)(nsIFile::COMTypeInfo<nsIFile, void>::kIID), locationObj.address()); |
| 205 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && locationObj) { |
| 206 | args.rval().setObject(*locationObj); |
| 207 | } |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | return true; |
| 212 | #endif |
| 213 | } |
| 214 | |
| 215 | static bool GetLine(JSContext* cx, char* bufp, FILE* file, const char* prompt) { |
| 216 | fputs(prompt, gOutFile); |
| 217 | fflush(gOutFile); |
| 218 | |
| 219 | char line[4096] = {'\0'}; |
| 220 | while (true) { |
| 221 | if (fgets(line, sizeof line, file)) { |
| 222 | strcpy(bufp, line); |
| 223 | return true; |
| 224 | } |
| 225 | if (errno(*__errno_location ()) != EINTR4) { |
| 226 | return false; |
| 227 | } |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | static bool ReadLine(JSContext* cx, unsigned argc, Value* vp) { |
| 232 | CallArgs args = CallArgsFromVp(argc, vp); |
| 233 | |
| 234 | // While 4096 might be quite arbitrary, this is something to be fixed in |
| 235 | // bug 105707. It is also the same limit as in ProcessFile. |
| 236 | char buf[4096]; |
| 237 | RootedString str(cx); |
| 238 | |
| 239 | /* If a prompt was specified, construct the string */ |
| 240 | if (args.length() > 0) { |
| 241 | str = JS::ToString(cx, args[0]); |
| 242 | if (!str) { |
| 243 | return false; |
| 244 | } |
| 245 | } else { |
| 246 | str = JS_GetEmptyString(cx); |
| 247 | } |
| 248 | |
| 249 | /* Get a line from the infile */ |
| 250 | JS::UniqueChars strBytes = JS_EncodeStringToLatin1(cx, str); |
| 251 | if (!strBytes || !GetLine(cx, buf, gInFile, strBytes.get())) { |
| 252 | return false; |
| 253 | } |
| 254 | |
| 255 | /* Strip newline character added by GetLine() */ |
| 256 | unsigned int buflen = strlen(buf); |
| 257 | if (buflen == 0) { |
| 258 | if (feof(gInFile)) { |
| 259 | args.rval().setNull(); |
| 260 | return true; |
| 261 | } |
| 262 | } else if (buf[buflen - 1] == '\n') { |
| 263 | --buflen; |
| 264 | } |
| 265 | |
| 266 | /* Turn buf into a JSString */ |
| 267 | str = JS_NewStringCopyN(cx, buf, buflen); |
| 268 | if (!str) { |
| 269 | return false; |
| 270 | } |
| 271 | |
| 272 | args.rval().setString(str); |
| 273 | return true; |
| 274 | } |
| 275 | |
| 276 | static bool Print(JSContext* cx, unsigned argc, Value* vp) { |
| 277 | CallArgs args = CallArgsFromVp(argc, vp); |
| 278 | args.rval().setUndefined(); |
| 279 | |
| 280 | #ifdef FUZZING_INTERFACES |
| 281 | if (fuzzHaveModule && !fuzzDoDebug) { |
| 282 | // When fuzzing and not debugging, suppress any print() output, |
| 283 | // as it slows down fuzzing and makes libFuzzer's output hard |
| 284 | // to read. |
| 285 | return true; |
| 286 | } |
| 287 | #endif // FUZZING_INTERFACES |
| 288 | |
| 289 | RootedString str(cx); |
| 290 | nsAutoCString utf8output; |
| 291 | |
| 292 | for (unsigned i = 0; i < args.length(); i++) { |
| 293 | str = ToString(cx, args[i]); |
| 294 | if (!str) { |
| 295 | return false; |
| 296 | } |
| 297 | |
| 298 | JS::UniqueChars utf8str = JS_EncodeStringToUTF8(cx, str); |
| 299 | if (!utf8str) { |
| 300 | return false; |
| 301 | } |
| 302 | |
| 303 | if (i) { |
| 304 | utf8output.Append(' '); |
| 305 | } |
| 306 | utf8output.Append(utf8str.get(), strlen(utf8str.get())); |
| 307 | } |
| 308 | utf8output.Append('\n'); |
| 309 | fputs(utf8output.get(), gOutFile); |
| 310 | fflush(gOutFile); |
| 311 | return true; |
| 312 | } |
| 313 | |
| 314 | static bool Dump(JSContext* cx, unsigned argc, Value* vp) { |
| 315 | CallArgs args = CallArgsFromVp(argc, vp); |
| 316 | args.rval().setUndefined(); |
| 317 | |
| 318 | if (!args.length()) { |
| 319 | return true; |
| 320 | } |
| 321 | |
| 322 | RootedString str(cx, ToString(cx, args[0])); |
| 323 | if (!str) { |
| 324 | return false; |
| 325 | } |
| 326 | |
| 327 | JS::UniqueChars utf8str = JS_EncodeStringToUTF8(cx, str); |
| 328 | if (!utf8str) { |
| 329 | return false; |
| 330 | } |
| 331 | |
| 332 | #ifdef ANDROID |
| 333 | __android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", utf8str.get()); |
| 334 | #endif |
| 335 | #ifdef XP_WIN |
| 336 | if (IsDebuggerPresent()) { |
| 337 | nsAutoJSString wstr; |
| 338 | if (!wstr.init(cx, str)) { |
| 339 | return false; |
| 340 | } |
| 341 | OutputDebugStringW(wstr.get()); |
| 342 | } |
| 343 | #endif |
| 344 | fputs(utf8str.get(), gOutFile); |
| 345 | fflush(gOutFile); |
| 346 | return true; |
| 347 | } |
| 348 | |
| 349 | static bool Load(JSContext* cx, unsigned argc, Value* vp) { |
| 350 | CallArgs args = CallArgsFromVp(argc, vp); |
| 351 | |
| 352 | JS::RootedObject thisObject(cx); |
| 353 | if (!args.computeThis(cx, &thisObject)) { |
| 354 | return false; |
| 355 | } |
| 356 | if (!JS_IsGlobalObject(thisObject)) { |
| 357 | JS_ReportErrorASCII(cx, "Trying to load() into a non-global object"); |
| 358 | return false; |
| 359 | } |
| 360 | |
| 361 | RootedString str(cx); |
| 362 | for (unsigned i = 0; i < args.length(); i++) { |
| 363 | str = ToString(cx, args[i]); |
| 364 | if (!str) { |
| 365 | return false; |
| 366 | } |
| 367 | JS::UniqueChars filename = JS_EncodeStringToUTF8(cx, str); |
| 368 | if (!filename) { |
| 369 | return false; |
| 370 | } |
| 371 | JS::CompileOptions options(cx); |
| 372 | options.setIsRunOnce(true).setSkipFilenameValidation(true); |
| 373 | JS::Rooted<JSScript*> script( |
| 374 | cx, JS::CompileUtf8Path(cx, options, filename.get())); |
| 375 | if (!script) { |
| 376 | return false; |
| 377 | } |
| 378 | |
| 379 | if (!compileOnly) { |
| 380 | if (!JS_ExecuteScript(cx, script)) { |
| 381 | return false; |
| 382 | } |
| 383 | } |
| 384 | } |
| 385 | args.rval().setUndefined(); |
| 386 | return true; |
| 387 | } |
| 388 | |
| 389 | static bool Quit(JSContext* cx, unsigned argc, Value* vp) { |
| 390 | CallArgs args = CallArgsFromVp(argc, vp); |
| 391 | |
| 392 | gExitCode = 0; |
| 393 | if (!ToInt32(cx, args.get(0), &gExitCode)) { |
| 394 | return false; |
| 395 | } |
| 396 | |
| 397 | gQuitting = true; |
| 398 | // exit(0); |
| 399 | return false; |
| 400 | } |
| 401 | |
| 402 | static bool DumpXPC(JSContext* cx, unsigned argc, Value* vp) { |
| 403 | JS::CallArgs args = CallArgsFromVp(argc, vp); |
| 404 | |
| 405 | uint16_t depth = 2; |
| 406 | if (args.length() > 0) { |
| 407 | if (!JS::ToUint16(cx, args[0], &depth)) { |
| 408 | return false; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | nsXPConnect::XPConnect()->DebugDump(int16_t(depth)); |
| 413 | args.rval().setUndefined(); |
| 414 | return true; |
| 415 | } |
| 416 | |
| 417 | static bool GC(JSContext* cx, unsigned argc, Value* vp) { |
| 418 | CallArgs args = CallArgsFromVp(argc, vp); |
| 419 | |
| 420 | JS_GC(cx); |
| 421 | |
| 422 | args.rval().setUndefined(); |
| 423 | return true; |
| 424 | } |
| 425 | |
| 426 | #ifdef JS_GC_ZEAL1 |
| 427 | static bool GCZeal(JSContext* cx, unsigned argc, Value* vp) { |
| 428 | CallArgs args = CallArgsFromVp(argc, vp); |
| 429 | uint32_t zeal; |
| 430 | if (!ToUint32(cx, args.get(0), &zeal)) { |
| 431 | return false; |
| 432 | } |
| 433 | |
| 434 | JS::SetGCZeal(cx, uint8_t(zeal), JS::ShellDefaultGCZealFrequency); |
| 435 | args.rval().setUndefined(); |
| 436 | return true; |
| 437 | } |
| 438 | #endif |
| 439 | |
| 440 | static bool SendCommand(JSContext* cx, unsigned argc, Value* vp) { |
| 441 | CallArgs args = CallArgsFromVp(argc, vp); |
| 442 | |
| 443 | if (args.length() == 0) { |
| 444 | JS_ReportErrorASCII(cx, "Function takes at least one argument!"); |
| 445 | return false; |
| 446 | } |
| 447 | |
| 448 | RootedString str(cx, ToString(cx, args[0])); |
| 449 | if (!str) { |
| 450 | JS_ReportErrorASCII(cx, "Could not convert argument 1 to string!"); |
| 451 | return false; |
| 452 | } |
| 453 | |
| 454 | if (args.get(1).isObject() && !JS_ObjectIsFunction(&args[1].toObject())) { |
| 455 | JS_ReportErrorASCII(cx, "Could not convert argument 2 to function!"); |
| 456 | return false; |
| 457 | } |
| 458 | |
| 459 | if (!XRE_SendTestShellCommand( |
| 460 | cx, str, args.length() > 1 ? args[1].address() : nullptr)) { |
| 461 | JS_ReportErrorASCII(cx, "Couldn't send command!"); |
| 462 | return false; |
| 463 | } |
| 464 | |
| 465 | args.rval().setUndefined(); |
| 466 | return true; |
| 467 | } |
| 468 | |
| 469 | static bool Options(JSContext* cx, unsigned argc, Value* vp) { |
| 470 | JS::CallArgs args = CallArgsFromVp(argc, vp); |
| 471 | |
| 472 | RootedString str(cx); |
| 473 | JS::UniqueChars opt; |
| 474 | if (args.length() > 0) { |
| 475 | str = ToString(cx, args[0]); |
| 476 | if (!str) { |
| 477 | return false; |
| 478 | } |
| 479 | |
| 480 | opt = JS_EncodeStringToUTF8(cx, str); |
| 481 | if (!opt) { |
| 482 | return false; |
| 483 | } |
| 484 | |
| 485 | JS_ReportErrorUTF8(cx, "unknown option name '%s'.", opt.get()); |
| 486 | return false; |
| 487 | } |
| 488 | |
| 489 | args.rval().setString(JS_GetEmptyString(cx)); |
| 490 | return true; |
| 491 | } |
| 492 | |
| 493 | static PersistentRootedValue* sScriptedInterruptCallback = nullptr; |
| 494 | |
| 495 | static bool XPCShellInterruptCallback(JSContext* cx) { |
| 496 | MOZ_ASSERT(sScriptedInterruptCallback->initialized())do { static_assert( mozilla::detail::AssertionConditionType< decltype(sScriptedInterruptCallback->initialized())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(sScriptedInterruptCallback->initialized()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("sScriptedInterruptCallback->initialized()" , "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 496); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sScriptedInterruptCallback->initialized()" ")"); do { *((volatile int*)__null) = 496; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 497 | RootedValue callback(cx, *sScriptedInterruptCallback); |
| 498 | |
| 499 | // If no interrupt callback was set by script, no-op. |
| 500 | if (callback.isUndefined()) { |
| 501 | return true; |
| 502 | } |
| 503 | |
| 504 | MOZ_ASSERT(js::IsFunctionObject(&callback.toObject()))do { static_assert( mozilla::detail::AssertionConditionType< decltype(js::IsFunctionObject(&callback.toObject()))>:: isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(js::IsFunctionObject(&callback.toObject())))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("js::IsFunctionObject(&callback.toObject())" , "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 504); AnnotateMozCrashReason("MOZ_ASSERT" "(" "js::IsFunctionObject(&callback.toObject())" ")"); do { *((volatile int*)__null) = 504; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 505 | |
| 506 | JSAutoRealm ar(cx, &callback.toObject()); |
| 507 | RootedValue rv(cx); |
| 508 | if (!JS_CallFunctionValue(cx, nullptr, callback, |
| 509 | JS::HandleValueArray::empty(), &rv) || |
| 510 | !rv.isBoolean()) { |
| 511 | NS_WARNING("Scripted interrupt callback failed! Terminating script.")NS_DebugBreak(NS_DEBUG_WARNING, "Scripted interrupt callback failed! Terminating script." , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 511); |
| 512 | JS_ClearPendingException(cx); |
| 513 | return false; |
| 514 | } |
| 515 | |
| 516 | return rv.toBoolean(); |
| 517 | } |
| 518 | |
| 519 | static bool SetInterruptCallback(JSContext* cx, unsigned argc, Value* vp) { |
| 520 | MOZ_ASSERT(sScriptedInterruptCallback->initialized())do { static_assert( mozilla::detail::AssertionConditionType< decltype(sScriptedInterruptCallback->initialized())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(sScriptedInterruptCallback->initialized()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("sScriptedInterruptCallback->initialized()" , "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 520); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sScriptedInterruptCallback->initialized()" ")"); do { *((volatile int*)__null) = 520; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 521 | |
| 522 | // Sanity-check args. |
| 523 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
| 524 | if (args.length() != 1) { |
| 525 | JS_ReportErrorASCII(cx, "Wrong number of arguments"); |
| 526 | return false; |
| 527 | } |
| 528 | |
| 529 | // Allow callers to remove the interrupt callback by passing undefined. |
| 530 | if (args[0].isUndefined()) { |
| 531 | *sScriptedInterruptCallback = UndefinedValue(); |
| 532 | return true; |
| 533 | } |
| 534 | |
| 535 | // Otherwise, we should have a function object. |
| 536 | if (!args[0].isObject() || !js::IsFunctionObject(&args[0].toObject())) { |
| 537 | JS_ReportErrorASCII(cx, "Argument must be a function"); |
| 538 | return false; |
| 539 | } |
| 540 | |
| 541 | *sScriptedInterruptCallback = args[0]; |
| 542 | |
| 543 | return true; |
| 544 | } |
| 545 | |
| 546 | static bool SimulateNoScriptActivity(JSContext* cx, unsigned argc, Value* vp) { |
| 547 | // Sanity-check args. |
| 548 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
| 549 | if (args.length() != 1 || !args[0].isInt32() || args[0].toInt32() < 0) { |
| 550 | JS_ReportErrorASCII(cx, "Expected a positive integer argument"); |
| 551 | return false; |
| 552 | } |
| 553 | |
| 554 | // This mimics mozilla::SpinEventLoopUntil but instead of spinning the |
| 555 | // event loop we sleep, to make sure we don't run script. |
| 556 | xpc::AutoScriptActivity asa(false); |
| 557 | PR_Sleep(PR_SecondsToInterval(args[0].toInt32())); |
| 558 | |
| 559 | args.rval().setUndefined(); |
| 560 | return true; |
| 561 | } |
| 562 | |
| 563 | static bool RegisterAppManifest(JSContext* cx, unsigned argc, Value* vp) { |
| 564 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
| 565 | if (args.length() != 1) { |
| 566 | JS_ReportErrorASCII(cx, "Wrong number of arguments"); |
| 567 | return false; |
| 568 | } |
| 569 | if (!args[0].isObject()) { |
| 570 | JS_ReportErrorASCII(cx, |
| 571 | "Expected object as argument 1 to registerAppManifest"); |
| 572 | return false; |
| 573 | } |
| 574 | |
| 575 | Rooted<JSObject*> arg1(cx, &args[0].toObject()); |
| 576 | nsCOMPtr<nsIFile> file; |
| 577 | nsresult rv = nsXPConnect::XPConnect()->WrapJS(cx, arg1, NS_GET_IID(nsIFile)(nsIFile::COMTypeInfo<nsIFile, void>::kIID), |
| 578 | getter_AddRefs(file)); |
| 579 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 580 | XPCThrower::Throw(rv, cx); |
| 581 | return false; |
| 582 | } |
| 583 | rv = XRE_AddManifestLocation(NS_APP_LOCATION, file); |
| 584 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 585 | XPCThrower::Throw(rv, cx); |
| 586 | return false; |
| 587 | } |
| 588 | return true; |
| 589 | } |
| 590 | |
| 591 | #ifdef ANDROID |
| 592 | static bool ChangeTestShellDir(JSContext* cx, unsigned argc, Value* vp) { |
| 593 | // This method should only be used by testing/xpcshell/head.js to change to |
| 594 | // the correct directory on Android Remote XPCShell tests. |
| 595 | // |
| 596 | // TODO: Bug 1801725 - Find a more ergonomic way to do this than exposing |
| 597 | // identical methods in XPCShellEnvironment and XPCShellImpl to chdir on |
| 598 | // android for Remote XPCShell tests on Android. |
| 599 | CallArgs args = CallArgsFromVp(argc, vp); |
| 600 | |
| 601 | if (args.length() != 1) { |
| 602 | JS_ReportErrorASCII(cx, "changeTestShellDir() takes one argument"); |
| 603 | return false; |
| 604 | } |
| 605 | |
| 606 | nsAutoJSCString path; |
| 607 | if (!path.init(cx, args[0])) { |
| 608 | JS_ReportErrorASCII( |
| 609 | cx, "changeTestShellDir(): could not convert argument 1 to string"); |
| 610 | return false; |
| 611 | } |
| 612 | |
| 613 | if (chdir(path.get())) { |
| 614 | JS_ReportErrorASCII(cx, "changeTestShellDir(): could not change directory"); |
| 615 | return false; |
| 616 | } |
| 617 | |
| 618 | return true; |
| 619 | } |
| 620 | #endif |
| 621 | |
| 622 | #ifdef ENABLE_TESTS1 |
| 623 | static bool RegisterXPCTestComponents(JSContext* cx, unsigned argc, Value* vp) { |
| 624 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
| 625 | if (args.length() != 0) { |
| 626 | JS_ReportErrorASCII(cx, "Wrong number of arguments"); |
| 627 | return false; |
| 628 | } |
| 629 | nsresult rv = xpcTestRegisterComponents(); |
| 630 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 631 | XPCThrower::Throw(rv, cx); |
| 632 | return false; |
| 633 | } |
| 634 | return true; |
| 635 | } |
| 636 | #endif |
| 637 | |
| 638 | static const JSFunctionSpec glob_functions[] = { |
| 639 | // clang-format off |
| 640 | JS_FN("print", Print, 0,0){JSFunctionSpec::Name("print"), {Print, nullptr}, 0, 0, nullptr }, |
| 641 | JS_FN("readline", ReadLine, 1,0){JSFunctionSpec::Name("readline"), {ReadLine, nullptr}, 1, 0, nullptr}, |
| 642 | JS_FN("load", Load, 1,0){JSFunctionSpec::Name("load"), {Load, nullptr}, 1, 0, nullptr }, |
| 643 | JS_FN("quit", Quit, 0,0){JSFunctionSpec::Name("quit"), {Quit, nullptr}, 0, 0, nullptr }, |
| 644 | JS_FN("dumpXPC", DumpXPC, 1,0){JSFunctionSpec::Name("dumpXPC"), {DumpXPC, nullptr}, 1, 0, nullptr }, |
| 645 | JS_FN("dump", Dump, 1,0){JSFunctionSpec::Name("dump"), {Dump, nullptr}, 1, 0, nullptr }, |
| 646 | JS_FN("gc", GC, 0,0){JSFunctionSpec::Name("gc"), {GC, nullptr}, 0, 0, nullptr}, |
| 647 | #ifdef JS_GC_ZEAL1 |
| 648 | JS_FN("gczeal", GCZeal, 1,0){JSFunctionSpec::Name("gczeal"), {GCZeal, nullptr}, 1, 0, nullptr }, |
| 649 | #endif |
| 650 | JS_FN("options", Options, 0,0){JSFunctionSpec::Name("options"), {Options, nullptr}, 0, 0, nullptr }, |
| 651 | JS_FN("sendCommand", SendCommand, 1,0){JSFunctionSpec::Name("sendCommand"), {SendCommand, nullptr}, 1, 0, nullptr}, |
| 652 | JS_FN("atob", xpc::Atob, 1,0){JSFunctionSpec::Name("atob"), {xpc::Atob, nullptr}, 1, 0, nullptr }, |
| 653 | JS_FN("btoa", xpc::Btoa, 1,0){JSFunctionSpec::Name("btoa"), {xpc::Btoa, nullptr}, 1, 0, nullptr }, |
| 654 | JS_FN("setInterruptCallback", SetInterruptCallback, 1,0){JSFunctionSpec::Name("setInterruptCallback"), {SetInterruptCallback , nullptr}, 1, 0, nullptr}, |
| 655 | JS_FN("simulateNoScriptActivity", SimulateNoScriptActivity, 1,0){JSFunctionSpec::Name("simulateNoScriptActivity"), {SimulateNoScriptActivity , nullptr}, 1, 0, nullptr}, |
| 656 | JS_FN("registerAppManifest", RegisterAppManifest, 1, 0){JSFunctionSpec::Name("registerAppManifest"), {RegisterAppManifest , nullptr}, 1, 0, nullptr}, |
| 657 | #ifdef ANDROID |
| 658 | JS_FN("changeTestShellDir", ChangeTestShellDir, 1,0){JSFunctionSpec::Name("changeTestShellDir"), {ChangeTestShellDir , nullptr}, 1, 0, nullptr}, |
| 659 | #endif |
| 660 | #ifdef ENABLE_TESTS1 |
| 661 | JS_FN("registerXPCTestComponents", RegisterXPCTestComponents, 0, 0){JSFunctionSpec::Name("registerXPCTestComponents"), {RegisterXPCTestComponents , nullptr}, 0, 0, nullptr}, |
| 662 | #endif |
| 663 | JS_FS_END{JSFunctionSpec::Name(nullptr), {nullptr, nullptr}, 0, 0, nullptr } |
| 664 | // clang-format on |
| 665 | }; |
| 666 | |
| 667 | /***************************************************************************/ |
| 668 | |
| 669 | typedef enum JSShellErrNum { |
| 670 | #define MSG_DEF(name, number, count, exception, format) name = number, |
| 671 | #include "jsshell.msg" |
| 672 | #undef MSG_DEF |
| 673 | JSShellErr_Limit |
| 674 | } JSShellErrNum; |
| 675 | |
| 676 | static const JSErrorFormatString jsShell_ErrorFormatString[JSShellErr_Limit] = { |
| 677 | #define MSG_DEF(name, number, count, exception, format) {#name, format, count}, |
| 678 | #include "jsshell.msg" |
| 679 | #undef MSG_DEF |
| 680 | }; |
| 681 | |
| 682 | static const JSErrorFormatString* my_GetErrorMessage( |
| 683 | void* userRef, const unsigned errorNumber) { |
| 684 | if (errorNumber == 0 || errorNumber >= JSShellErr_Limit) { |
| 685 | return nullptr; |
| 686 | } |
| 687 | |
| 688 | return &jsShell_ErrorFormatString[errorNumber]; |
| 689 | } |
| 690 | |
| 691 | static bool ProcessUtf8Line(AutoJSAPI& jsapi, const char* buffer, |
| 692 | int startline) { |
| 693 | JSContext* cx = jsapi.cx(); |
| 694 | JS::CompileOptions options(cx); |
| 695 | options.setFileAndLine("typein", startline) |
| 696 | .setIsRunOnce(true) |
| 697 | .setSkipFilenameValidation(true); |
| 698 | |
| 699 | JS::SourceText<mozilla::Utf8Unit> srcBuf; |
| 700 | if (!srcBuf.init(cx, buffer, strlen(buffer), JS::SourceOwnership::Borrowed)) { |
| 701 | return false; |
| 702 | } |
| 703 | |
| 704 | JS::RootedScript script(cx, JS::Compile(cx, options, srcBuf)); |
| 705 | if (!script) { |
| 706 | return false; |
| 707 | } |
| 708 | if (compileOnly) { |
| 709 | return true; |
| 710 | } |
| 711 | |
| 712 | JS::RootedValue result(cx); |
| 713 | if (!JS_ExecuteScript(cx, script, &result)) { |
| 714 | return false; |
| 715 | } |
| 716 | |
| 717 | if (result.isUndefined()) { |
| 718 | return true; |
| 719 | } |
| 720 | |
| 721 | RootedString str(cx, JS::ToString(cx, result)); |
| 722 | if (!str) { |
| 723 | return false; |
| 724 | } |
| 725 | |
| 726 | JS::UniqueChars bytes = JS_EncodeStringToLatin1(cx, str); |
| 727 | if (!bytes) { |
| 728 | return false; |
| 729 | } |
| 730 | |
| 731 | fprintf(gOutFile, "%s\n", bytes.get()); |
| 732 | return true; |
| 733 | } |
| 734 | |
| 735 | static bool ProcessFile(AutoJSAPI& jsapi, const char* filename, FILE* file, |
| 736 | bool forceTTY) { |
| 737 | JSContext* cx = jsapi.cx(); |
| 738 | JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx)); |
| 739 | MOZ_ASSERT(global)do { static_assert( mozilla::detail::AssertionConditionType< decltype(global)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(global))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("global", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 739); AnnotateMozCrashReason("MOZ_ASSERT" "(" "global" ")") ; do { *((volatile int*)__null) = 739; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 740 | |
| 741 | if (forceTTY) { |
| 742 | file = stdinstdin; |
| 743 | } else if (!isatty(fileno(file))) { |
| 744 | /* |
| 745 | * It's not interactive - just execute it. |
| 746 | * |
| 747 | * Support the UNIX #! shell hack; gobble the first line if it starts |
| 748 | * with '#'. |
| 749 | */ |
| 750 | int ch = fgetc(file); |
| 751 | if (ch == '#') { |
| 752 | while ((ch = fgetc(file)) != EOF(-1)) { |
| 753 | if (ch == '\n' || ch == '\r') { |
| 754 | break; |
| 755 | } |
| 756 | } |
| 757 | } |
| 758 | ungetc(ch, file); |
| 759 | |
| 760 | JS::UniqueChars filenameUtf8 = JS::EncodeNarrowToUtf8(jsapi.cx(), filename); |
| 761 | if (!filenameUtf8) { |
| 762 | return false; |
| 763 | } |
| 764 | |
| 765 | JS::RootedScript script(cx); |
| 766 | JS::RootedValue unused(cx); |
| 767 | JS::CompileOptions options(cx); |
| 768 | options.setFileAndLine(filenameUtf8.get(), 1) |
| 769 | .setIsRunOnce(true) |
| 770 | .setNoScriptRval(true) |
| 771 | .setSkipFilenameValidation(true); |
| 772 | script = JS::CompileUtf8File(cx, options, file); |
| 773 | if (!script) { |
| 774 | return false; |
| 775 | } |
| 776 | return compileOnly || JS_ExecuteScript(cx, script, &unused); |
| 777 | } |
| 778 | |
| 779 | /* It's an interactive filehandle; drop into read-eval-print loop. */ |
| 780 | int lineno = 1; |
| 781 | bool hitEOF = false; |
| 782 | do { |
| 783 | char buffer[4096]; |
| 784 | char* bufp = buffer; |
| 785 | *bufp = '\0'; |
| 786 | |
| 787 | /* |
| 788 | * Accumulate lines until we get a 'compilable unit' - one that either |
| 789 | * generates an error (before running out of source) or that compiles |
| 790 | * cleanly. This should be whenever we get a complete statement that |
| 791 | * coincides with the end of a line. |
| 792 | */ |
| 793 | int startline = lineno; |
| 794 | do { |
| 795 | if (!GetLine(cx, bufp, file, startline == lineno ? "js> " : "")) { |
| 796 | hitEOF = true; |
| 797 | break; |
| 798 | } |
| 799 | bufp += strlen(bufp); |
| 800 | lineno++; |
| 801 | } while ( |
| 802 | !JS_Utf8BufferIsCompilableUnit(cx, global, buffer, strlen(buffer))); |
| 803 | |
| 804 | if (!ProcessUtf8Line(jsapi, buffer, startline)) { |
| 805 | jsapi.ReportException(); |
| 806 | } |
| 807 | } while (!hitEOF && !gQuitting); |
| 808 | |
| 809 | fprintf(gOutFile, "\n"); |
| 810 | return true; |
| 811 | } |
| 812 | |
| 813 | static bool Process(AutoJSAPI& jsapi, const char* filename, bool forceTTY) { |
| 814 | FILE* file; |
| 815 | |
| 816 | if (forceTTY || !filename || strcmp(filename, "-") == 0) { |
| 817 | file = stdinstdin; |
| 818 | } else { |
| 819 | file = fopen(filename, "r"); |
| 820 | if (!file) { |
| 821 | /* |
| 822 | * Use Latin1 variant here because the encoding of the return value |
| 823 | * of strerror function can be non-UTF-8. |
| 824 | */ |
| 825 | JS_ReportErrorNumberLatin1(jsapi.cx(), my_GetErrorMessage, nullptr, |
| 826 | JSSMSG_CANT_OPEN, filename, strerror(errno(*__errno_location ()))); |
| 827 | gExitCode = EXITCODE_FILE_NOT_FOUND4; |
| 828 | return false; |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | bool ok = ProcessFile(jsapi, filename, file, forceTTY); |
| 833 | if (file != stdinstdin) { |
| 834 | fclose(file); |
| 835 | } |
| 836 | return ok; |
| 837 | } |
| 838 | |
| 839 | static int usage() { |
| 840 | fprintf(gErrFile, "%s\n", JS_GetImplementationVersion()); |
| 841 | fprintf( |
| 842 | gErrFile, |
| 843 | "usage: xpcshell [-g gredir] [-a appdir] [-r manifest]... [-WwxiCmIp] " |
| 844 | "[-f scriptfile] [-e script] [scriptfile] [scriptarg...]\n"); |
| 845 | return 2; |
| 846 | } |
| 847 | |
| 848 | static bool printUsageAndSetExitCode() { |
| 849 | gExitCode = usage(); |
| 850 | return false; |
| 851 | } |
| 852 | |
| 853 | static bool ProcessArgs(AutoJSAPI& jsapi, char** argv, int argc, |
| 854 | XPCShellDirProvider* aDirProvider) { |
| 855 | JSContext* cx = jsapi.cx(); |
| 856 | const char rcfilename[] = "xpcshell.js"; |
| 857 | FILE* rcfile; |
| 858 | int rootPosition; |
| 859 | JS::Rooted<JSObject*> argsObj(cx); |
| 860 | char* filename = nullptr; |
| 861 | bool isInteractive = true; |
| 862 | bool forceTTY = false; |
| 863 | |
| 864 | rcfile = fopen(rcfilename, "r"); |
| 865 | if (rcfile) { |
| 866 | printf("[loading '%s'...]\n", rcfilename); |
| 867 | bool ok = ProcessFile(jsapi, rcfilename, rcfile, false); |
| 868 | fclose(rcfile); |
| 869 | if (!ok) { |
| 870 | return false; |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx)); |
| 875 | |
| 876 | /* |
| 877 | * Scan past all optional arguments so we can create the arguments object |
| 878 | * before processing any -f options, which must interleave properly with |
| 879 | * -v and -w options. This requires two passes, and without getopt, we'll |
| 880 | * have to keep the option logic here and in the second for loop in sync. |
| 881 | * First of all, find out the first argument position which will be passed |
| 882 | * as a script file to be executed. |
| 883 | */ |
| 884 | for (rootPosition = 0; rootPosition < argc; rootPosition++) { |
| 885 | if (argv[rootPosition][0] != '-' || argv[rootPosition][1] == '\0') { |
| 886 | ++rootPosition; |
| 887 | break; |
| 888 | } |
| 889 | |
| 890 | bool isPairedFlag = |
| 891 | argv[rootPosition][0] != '\0' && |
| 892 | (argv[rootPosition][1] == 'v' || argv[rootPosition][1] == 'f' || |
| 893 | argv[rootPosition][1] == 'e'); |
| 894 | if (isPairedFlag && rootPosition < argc - 1) { |
| 895 | ++rootPosition; // Skip over the 'foo' portion of |-v foo|, |-f foo|, or |
| 896 | // |-e foo|. |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | /* |
| 901 | * Create arguments early and define it to root it, so it's safe from any |
| 902 | * GC calls nested below, and so it is available to -f <file> arguments. |
| 903 | */ |
| 904 | argsObj = JS::NewArrayObject(cx, 0); |
| 905 | if (!argsObj) { |
| 906 | return 1; |
| 907 | } |
| 908 | if (!JS_DefineProperty(cx, global, "arguments", argsObj, 0)) { |
| 909 | return 1; |
| 910 | } |
| 911 | |
| 912 | for (int j = 0, length = argc - rootPosition; j < length; j++) { |
| 913 | RootedString str(cx, JS_NewStringCopyZ(cx, argv[rootPosition++])); |
| 914 | if (!str || !JS_DefineElement(cx, argsObj, j, str, JSPROP_ENUMERATE)) { |
| 915 | return 1; |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | for (int i = 0; i < argc; i++) { |
| 920 | if (argv[i][0] != '-' || argv[i][1] == '\0') { |
| 921 | filename = argv[i++]; |
| 922 | isInteractive = false; |
| 923 | break; |
| 924 | } |
| 925 | switch (argv[i][1]) { |
| 926 | case 'W': |
| 927 | reportWarnings = false; |
| 928 | break; |
| 929 | case 'w': |
| 930 | reportWarnings = true; |
| 931 | break; |
| 932 | case 'x': |
| 933 | break; |
| 934 | case 'd': |
| 935 | /* This used to try to turn on the debugger. */ |
| 936 | break; |
| 937 | case 'm': |
| 938 | break; |
| 939 | case 'f': |
| 940 | if (++i == argc) { |
| 941 | return printUsageAndSetExitCode(); |
| 942 | } |
| 943 | if (!Process(jsapi, argv[i], false)) { |
| 944 | return false; |
| 945 | } |
| 946 | /* |
| 947 | * XXX: js -f foo.js should interpret foo.js and then |
| 948 | * drop into interactive mode, but that breaks test |
| 949 | * harness. Just execute foo.js for now. |
| 950 | */ |
| 951 | isInteractive = false; |
| 952 | break; |
| 953 | case 'i': |
| 954 | isInteractive = forceTTY = true; |
| 955 | break; |
| 956 | case 'e': { |
| 957 | RootedValue rval(cx); |
| 958 | |
| 959 | if (++i == argc) { |
| 960 | return printUsageAndSetExitCode(); |
| 961 | } |
| 962 | |
| 963 | JS::CompileOptions opts(cx); |
| 964 | opts.setSkipFilenameValidation(true); |
| 965 | opts.setFileAndLine("-e", 1); |
| 966 | |
| 967 | JS::SourceText<mozilla::Utf8Unit> srcBuf; |
| 968 | if (srcBuf.init(cx, argv[i], strlen(argv[i]), |
| 969 | JS::SourceOwnership::Borrowed)) { |
| 970 | JS::Evaluate(cx, opts, srcBuf, &rval); |
| 971 | } |
| 972 | |
| 973 | isInteractive = false; |
| 974 | break; |
| 975 | } |
| 976 | case 'C': |
| 977 | compileOnly = true; |
| 978 | isInteractive = false; |
| 979 | break; |
| 980 | default: |
| 981 | return printUsageAndSetExitCode(); |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | if (filename || isInteractive) { |
| 986 | return Process(jsapi, filename, forceTTY); |
| 987 | } |
| 988 | return true; |
| 989 | } |
| 990 | |
| 991 | /***************************************************************************/ |
| 992 | |
| 993 | static bool GetCurrentWorkingDirectory(nsAString& workingDirectory) { |
| 994 | #if !defined(XP_WIN) && !defined(XP_UNIX1) |
| 995 | // XXX: your platform should really implement this |
| 996 | return false; |
| 997 | #elif XP_WIN |
| 998 | DWORD requiredLength = GetCurrentDirectoryW(0, nullptr); |
| 999 | workingDirectory.SetLength(requiredLength); |
| 1000 | GetCurrentDirectoryW(workingDirectory.Length(), |
| 1001 | (LPWSTR)workingDirectory.BeginWriting()); |
| 1002 | // we got a trailing null there |
| 1003 | workingDirectory.SetLength(requiredLength); |
| 1004 | workingDirectory.Replace(workingDirectory.Length() - 1, 1, L'\\'); |
| 1005 | #elif defined(XP_UNIX1) |
| 1006 | nsAutoCString cwd; |
| 1007 | // 1024 is just a guess at a sane starting value |
| 1008 | size_t bufsize = 1024; |
| 1009 | char* result = nullptr; |
| 1010 | while (result == nullptr) { |
| 1011 | cwd.SetLength(bufsize); |
| 1012 | result = getcwd(cwd.BeginWriting(), cwd.Length()); |
| 1013 | if (!result) { |
| 1014 | if (errno(*__errno_location ()) != ERANGE34) { |
| 1015 | return false; |
| 1016 | } |
| 1017 | // need to make the buffer bigger |
| 1018 | bufsize *= 2; |
| 1019 | } |
| 1020 | } |
| 1021 | // size back down to the actual string length |
| 1022 | cwd.SetLength(strlen(result) + 1); |
| 1023 | cwd.Replace(cwd.Length() - 1, 1, '/'); |
| 1024 | CopyUTF8toUTF16(cwd, workingDirectory); |
| 1025 | #endif |
| 1026 | return true; |
| 1027 | } |
| 1028 | |
| 1029 | static JSSecurityCallbacks shellSecurityCallbacks; |
| 1030 | |
| 1031 | int XRE_XPCShellMain(int argc, char** argv, char** envp, |
| 1032 | const XREShellData* aShellData) { |
| 1033 | MOZ_ASSERT(aShellData)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aShellData)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aShellData))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aShellData", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1033); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aShellData" ")"); do { *((volatile int*)__null) = 1033; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1034 | |
| 1035 | JSContext* cx; |
| 1036 | int result = 0; |
| 1037 | nsresult rv; |
| 1038 | |
| 1039 | #ifdef ANDROID |
| 1040 | gOutFile = aShellData->outFile; |
| 1041 | gErrFile = aShellData->errFile; |
| 1042 | #else |
| 1043 | gOutFile = stdoutstdout; |
| 1044 | gErrFile = stderrstderr; |
| 1045 | #endif |
| 1046 | gInFile = stdinstdin; |
| 1047 | |
| 1048 | NS_LogInit(); |
| 1049 | |
| 1050 | mozilla::LogModule::Init(argc, argv); |
| 1051 | |
| 1052 | // This guard ensures that all threads that attempt to register themselves |
| 1053 | // with the IOInterposer will be properly tracked. |
| 1054 | mozilla::AutoIOInterposer ioInterposerGuard; |
| 1055 | ioInterposerGuard.Init(); |
| 1056 | |
| 1057 | XRE_InitCommandLine(argc, argv); |
| 1058 | |
| 1059 | char aLocal; |
| 1060 | profiler_init(&aLocal); |
| 1061 | |
| 1062 | #ifdef MOZ_ASAN_REPORTER |
| 1063 | PR_SetEnv("MOZ_DISABLE_ASAN_REPORTER=1"); |
| 1064 | #endif |
| 1065 | |
| 1066 | if (PR_GetEnv("MOZ_CHAOSMODE")) { |
| 1067 | ChaosFeature feature = ChaosFeature::Any; |
| 1068 | long featureInt = strtol(PR_GetEnv("MOZ_CHAOSMODE"), nullptr, 16); |
| 1069 | if (featureInt) { |
| 1070 | // NOTE: MOZ_CHAOSMODE=0 or a non-hex value maps to Any feature. |
| 1071 | feature = static_cast<ChaosFeature>(featureInt); |
| 1072 | } |
| 1073 | ChaosMode::SetChaosFeature(feature); |
| 1074 | } |
| 1075 | |
| 1076 | if (ChaosMode::isActive(ChaosFeature::Any)) { |
| 1077 | printf_stderr( |
| 1078 | "*** You are running in chaos test mode. See ChaosMode.h. ***\n"); |
| 1079 | } |
| 1080 | |
| 1081 | #ifdef XP_WIN |
| 1082 | // Some COM settings are global to the process and must be set before any non- |
| 1083 | // trivial COM is run in the application. Since these settings may affect |
| 1084 | // stability, we should instantiate COM ASAP so that we can ensure that these |
| 1085 | // global settings are configured before anything can interfere. |
| 1086 | mscom::ProcessRuntime mscom; |
| 1087 | |
| 1088 | # ifdef MOZ_SANDBOX1 |
| 1089 | nsAutoString binDirPath; |
| 1090 | # endif |
| 1091 | #endif |
| 1092 | |
| 1093 | // The provider needs to outlive the call to shutting down XPCOM. |
| 1094 | XPCShellDirProvider dirprovider; |
| 1095 | |
| 1096 | { // Start scoping nsCOMPtrs |
| 1097 | nsCOMPtr<nsIFile> appFile; |
| 1098 | rv = XRE_GetBinaryPath(getter_AddRefs(appFile)); |
| 1099 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1100 | printf("Couldn't find application file.\n"); |
| 1101 | return 1; |
| 1102 | } |
| 1103 | nsCOMPtr<nsIFile> appDir; |
| 1104 | rv = appFile->GetParent(getter_AddRefs(appDir)); |
| 1105 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1106 | printf("Couldn't get application directory.\n"); |
| 1107 | return 1; |
| 1108 | } |
| 1109 | |
| 1110 | #if defined(XP_WIN) && defined(MOZ_SANDBOX1) |
| 1111 | // We need the binary directory to initialize the windows sandbox. |
| 1112 | MOZ_ALWAYS_SUCCEEDS(appDir->GetPath(binDirPath))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl (appDir->GetPath(binDirPath))), 1)))), 1))) { } else { do { static_assert( mozilla::detail::AssertionConditionType<decltype (false)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(false))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("false" " (" "NS_SUCCEEDED(appDir->GetPath(binDirPath))" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1112); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "false" ") (" "NS_SUCCEEDED(appDir->GetPath(binDirPath))" ")"); do { *((volatile int*)__null) = 1112; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); } } while (false ); |
| 1113 | #endif |
| 1114 | |
| 1115 | dirprovider.SetAppFile(appFile); |
| 1116 | |
| 1117 | nsCOMPtr<nsIFile> greDir; |
| 1118 | if (argc > 1 && !strcmp(argv[1], "-g")) { |
| 1119 | if (argc < 3) { |
| 1120 | return usage(); |
| 1121 | } |
| 1122 | |
| 1123 | rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(greDir)); |
| 1124 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1125 | printf("Couldn't use given GRE dir.\n"); |
| 1126 | return 1; |
| 1127 | } |
| 1128 | |
| 1129 | dirprovider.SetGREDirs(greDir); |
| 1130 | |
| 1131 | argc -= 2; |
| 1132 | argv += 2; |
| 1133 | } else { |
| 1134 | #ifdef XP_MACOSX |
| 1135 | // On OSX, the GreD needs to point to Contents/Resources in the .app |
| 1136 | // bundle. Libraries will be loaded at a relative path to GreD, i.e. |
| 1137 | // ../MacOS. |
| 1138 | nsCOMPtr<nsIFile> tmpDir; |
| 1139 | XRE_GetFileFromPath(argv[0], getter_AddRefs(greDir)); |
| 1140 | greDir->GetParent(getter_AddRefs(tmpDir)); |
| 1141 | tmpDir->Clone(getter_AddRefs(greDir)); |
| 1142 | tmpDir->SetNativeLeafName("Resources"_ns); |
| 1143 | bool dirExists = false; |
| 1144 | tmpDir->Exists(&dirExists); |
| 1145 | if (dirExists) { |
| 1146 | greDir = tmpDir.forget(); |
| 1147 | } |
| 1148 | dirprovider.SetGREDirs(greDir); |
| 1149 | #else |
| 1150 | nsAutoString workingDir; |
| 1151 | if (!GetCurrentWorkingDirectory(workingDir)) { |
| 1152 | printf("GetCurrentWorkingDirectory failed.\n"); |
| 1153 | return 1; |
| 1154 | } |
| 1155 | rv = NS_NewLocalFile(workingDir, true, getter_AddRefs(greDir)); |
| 1156 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1157 | printf("NS_NewLocalFile failed.\n"); |
| 1158 | return 1; |
| 1159 | } |
| 1160 | #endif |
| 1161 | } |
| 1162 | |
| 1163 | if (argc > 1 && !strcmp(argv[1], "-a")) { |
| 1164 | if (argc < 3) { |
| 1165 | return usage(); |
| 1166 | } |
| 1167 | |
| 1168 | nsCOMPtr<nsIFile> dir; |
| 1169 | rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(dir)); |
| 1170 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1171 | appDir = dir; |
| 1172 | dirprovider.SetAppDir(appDir); |
| 1173 | } |
| 1174 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1175 | printf("Couldn't use given appdir.\n"); |
| 1176 | return 1; |
| 1177 | } |
| 1178 | argc -= 2; |
| 1179 | argv += 2; |
| 1180 | } |
| 1181 | |
| 1182 | while (argc > 1 && !strcmp(argv[1], "-r")) { |
| 1183 | if (argc < 3) { |
| 1184 | return usage(); |
| 1185 | } |
| 1186 | |
| 1187 | nsCOMPtr<nsIFile> lf; |
| 1188 | rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(lf)); |
| 1189 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1190 | printf("Couldn't get manifest file.\n"); |
| 1191 | return 1; |
| 1192 | } |
| 1193 | XRE_AddManifestLocation(NS_APP_LOCATION, lf); |
| 1194 | |
| 1195 | argc -= 2; |
| 1196 | argv += 2; |
| 1197 | } |
| 1198 | |
| 1199 | const char* val = getenv("MOZ_CRASHREPORTER"); |
| 1200 | if (val && *val && !CrashReporter::IsDummy()) { |
| 1201 | rv = CrashReporter::SetExceptionHandler(greDir, true); |
| 1202 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1203 | printf("CrashReporter::SetExceptionHandler failed!\n"); |
| 1204 | return 1; |
| 1205 | } |
| 1206 | MOZ_ASSERT(CrashReporter::GetEnabled())do { static_assert( mozilla::detail::AssertionConditionType< decltype(CrashReporter::GetEnabled())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(CrashReporter::GetEnabled()) )), 0))) { do { } while (false); MOZ_ReportAssertionFailure("CrashReporter::GetEnabled()" , "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1206); AnnotateMozCrashReason("MOZ_ASSERT" "(" "CrashReporter::GetEnabled()" ")"); do { *((volatile int*)__null) = 1206; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1207 | } |
| 1208 | |
| 1209 | if (argc > 1 && !strcmp(argv[1], "--greomni")) { |
| 1210 | nsCOMPtr<nsIFile> greOmni; |
| 1211 | XRE_GetFileFromPath(argv[2], getter_AddRefs(greOmni)); |
| 1212 | XRE_InitOmnijar(greOmni, greOmni); |
| 1213 | argc -= 2; |
| 1214 | argv += 2; |
| 1215 | } |
| 1216 | |
| 1217 | rv = NS_InitXPCOM(nullptr, appDir, &dirprovider); |
| 1218 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1219 | printf("NS_InitXPCOM failed!\n"); |
| 1220 | return 1; |
| 1221 | } |
| 1222 | |
| 1223 | // xpc::ErrorReport::LogToConsoleWithStack needs this to print errors |
| 1224 | // to stderr. |
| 1225 | Preferences::SetBool("browser.dom.window.dump.enabled", true); |
| 1226 | Preferences::SetBool("devtools.console.stdout.chrome", true); |
| 1227 | |
| 1228 | AutoJSAPI jsapi; |
| 1229 | jsapi.Init(); |
| 1230 | cx = jsapi.cx(); |
| 1231 | |
| 1232 | // Override the default XPConnect interrupt callback. We could store the |
| 1233 | // old one and restore it before shutting down, but there's not really a |
| 1234 | // reason to bother. |
| 1235 | sScriptedInterruptCallback = new PersistentRootedValue; |
| 1236 | sScriptedInterruptCallback->init(cx, UndefinedValue()); |
| 1237 | |
| 1238 | JS_AddInterruptCallback(cx, XPCShellInterruptCallback); |
| 1239 | |
| 1240 | argc--; |
| 1241 | argv++; |
| 1242 | |
| 1243 | nsCOMPtr<nsIPrincipal> systemprincipal; |
| 1244 | // Fetch the system principal and store it away in a global, to use for |
| 1245 | // script compilation in Load() and ProcessFile() (including interactive |
| 1246 | // eval loop) |
| 1247 | { |
| 1248 | nsCOMPtr<nsIScriptSecurityManager> securityManager = |
| 1249 | do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID"@mozilla.org/scriptsecuritymanager;1", &rv); |
| 1250 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && securityManager) { |
| 1251 | rv = securityManager->GetSystemPrincipal( |
| 1252 | getter_AddRefs(systemprincipal)); |
| 1253 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1254 | fprintf(gErrFile, |
| 1255 | "+++ Failed to obtain SystemPrincipal from " |
| 1256 | "ScriptSecurityManager service.\n"); |
| 1257 | } else { |
| 1258 | // fetch the JS principals and stick in a global |
| 1259 | gJSPrincipals = nsJSPrincipals::get(systemprincipal); |
| 1260 | JS_HoldPrincipals(gJSPrincipals); |
| 1261 | } |
| 1262 | } else { |
| 1263 | fprintf(gErrFile, |
| 1264 | "+++ Failed to get ScriptSecurityManager service, running " |
| 1265 | "without principals"); |
| 1266 | } |
| 1267 | } |
| 1268 | |
| 1269 | const JSSecurityCallbacks* scb = JS_GetSecurityCallbacks(cx); |
| 1270 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(scb)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(scb))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("scb" " (" "We are assuming that nsScriptSecurityManager::Init() has been run" ")", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1272); AnnotateMozCrashReason("MOZ_ASSERT" "(" "scb" ") (" "We are assuming that nsScriptSecurityManager::Init() has been run" ")"); do { *((volatile int*)__null) = 1272; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 1271 | scb,do { static_assert( mozilla::detail::AssertionConditionType< decltype(scb)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(scb))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("scb" " (" "We are assuming that nsScriptSecurityManager::Init() has been run" ")", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1272); AnnotateMozCrashReason("MOZ_ASSERT" "(" "scb" ") (" "We are assuming that nsScriptSecurityManager::Init() has been run" ")"); do { *((volatile int*)__null) = 1272; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 1272 | "We are assuming that nsScriptSecurityManager::Init() has been run")do { static_assert( mozilla::detail::AssertionConditionType< decltype(scb)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(scb))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("scb" " (" "We are assuming that nsScriptSecurityManager::Init() has been run" ")", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1272); AnnotateMozCrashReason("MOZ_ASSERT" "(" "scb" ") (" "We are assuming that nsScriptSecurityManager::Init() has been run" ")"); do { *((volatile int*)__null) = 1272; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1273 | shellSecurityCallbacks = *scb; |
| 1274 | JS_SetSecurityCallbacks(cx, &shellSecurityCallbacks); |
| 1275 | |
| 1276 | auto backstagePass = MakeRefPtr<BackstagePass>(); |
| 1277 | |
| 1278 | // Make the default XPCShell global use a fresh zone (rather than the |
| 1279 | // System Zone) to improve cross-zone test coverage. |
| 1280 | JS::RealmOptions options; |
| 1281 | options.creationOptions().setNewCompartmentAndZone(); |
| 1282 | xpc::SetPrefableRealmOptions(options); |
| 1283 | |
| 1284 | // Even if we're building in a configuration where source is |
| 1285 | // discarded, there's no reason to do that on XPCShell, and doing so |
| 1286 | // might break various automation scripts. |
| 1287 | options.behaviors().setDiscardSource(false); |
| 1288 | |
| 1289 | JS::Rooted<JSObject*> glob(cx); |
| 1290 | rv = xpc::InitClassesWithNewWrappedGlobal( |
| 1291 | cx, static_cast<nsIGlobalObject*>(backstagePass), systemprincipal, 0, |
| 1292 | options, &glob); |
| 1293 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1294 | return 1; |
| 1295 | } |
| 1296 | |
| 1297 | // Initialize e10s check on the main thread, if not already done |
| 1298 | BrowserTabsRemoteAutostart(); |
| 1299 | #if defined(XP_WIN) |
| 1300 | // Plugin may require audio session if installed plugin can initialize |
| 1301 | // asynchronized. |
| 1302 | AutoAudioSession audioSession; |
| 1303 | |
| 1304 | // Ensure that DLL Services are running |
| 1305 | RefPtr<DllServices> dllSvc(DllServices::Get()); |
| 1306 | dllSvc->StartUntrustedModulesProcessor(true); |
| 1307 | auto dllServicesDisable = |
| 1308 | MakeScopeExit([&dllSvc]() { dllSvc->DisableFull(); }); |
| 1309 | |
| 1310 | # if defined(MOZ_SANDBOX1) |
| 1311 | // Required for sandboxed child processes. |
| 1312 | if (aShellData->sandboxBrokerServices) { |
| 1313 | SandboxBroker::Initialize(aShellData->sandboxBrokerServices, binDirPath); |
| 1314 | SandboxBroker::GeckoDependentInitialize(); |
| 1315 | } else { |
| 1316 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "Failed to initialize broker services, sandboxed " "processes will fail to start.", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1318) |
| 1317 | "Failed to initialize broker services, sandboxed "NS_DebugBreak(NS_DEBUG_WARNING, "Failed to initialize broker services, sandboxed " "processes will fail to start.", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1318) |
| 1318 | "processes will fail to start.")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to initialize broker services, sandboxed " "processes will fail to start.", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1318); |
| 1319 | } |
| 1320 | # endif // defined(MOZ_SANDBOX) |
| 1321 | |
| 1322 | { |
| 1323 | DebugOnly<bool> result = WindowsBCryptInitialization(); |
| 1324 | MOZ_ASSERT(result)do { static_assert( mozilla::detail::AssertionConditionType< decltype(result)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(result))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("result", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1324); AnnotateMozCrashReason("MOZ_ASSERT" "(" "result" ")" ); do { *((volatile int*)__null) = 1324; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1325 | } |
| 1326 | #endif // defined(XP_WIN) |
| 1327 | |
| 1328 | #ifdef MOZ_CODE_COVERAGE |
| 1329 | CodeCoverageHandler::Init(); |
| 1330 | #endif |
| 1331 | |
| 1332 | { |
| 1333 | if (!glob) { |
| 1334 | return 1; |
| 1335 | } |
| 1336 | |
| 1337 | nsCOMPtr<nsIAppStartup> appStartup(components::AppStartup::Service()); |
| 1338 | if (!appStartup) { |
| 1339 | return 1; |
| 1340 | } |
| 1341 | appStartup->DoneStartingUp(); |
| 1342 | |
| 1343 | backstagePass->SetGlobalObject(glob); |
| 1344 | |
| 1345 | JSAutoRealm ar(cx, glob); |
| 1346 | |
| 1347 | if (!JS_InitReflectParse(cx, glob)) { |
| 1348 | return 1; |
| 1349 | } |
| 1350 | |
| 1351 | if (!JS_DefineFunctions(cx, glob, glob_functions)) { |
| 1352 | return 1; |
| 1353 | } |
| 1354 | |
| 1355 | nsAutoString workingDirectory; |
| 1356 | if (GetCurrentWorkingDirectory(workingDirectory)) { |
| 1357 | gWorkingDirectory = &workingDirectory; |
| 1358 | } |
| 1359 | |
| 1360 | JS_DefineProperty(cx, glob, "__LOCATION__", GetLocationProperty, nullptr, |
| 1361 | 0); |
| 1362 | |
| 1363 | { |
| 1364 | #ifdef FUZZING_INTERFACES |
| 1365 | if (fuzzHaveModule) { |
| 1366 | // argv[0] was removed previously, but libFuzzer expects it |
| 1367 | argc++; |
| 1368 | argv--; |
| 1369 | |
| 1370 | result = FuzzXPCRuntimeStart(&jsapi, &argc, &argv, aShellData); |
| 1371 | } else { |
| 1372 | #endif |
| 1373 | // We are almost certainly going to run script here, so we need an |
| 1374 | // AutoEntryScript. This is Gecko-specific and not in any spec. |
| 1375 | AutoEntryScript aes(backstagePass, "xpcshell argument processing"); |
| 1376 | |
| 1377 | // If an exception is thrown, we'll set our return code |
| 1378 | // appropriately, and then let the AutoEntryScript destructor report |
| 1379 | // the error to the console. |
| 1380 | if (!ProcessArgs(aes, argv, argc, &dirprovider)) { |
| 1381 | if (gExitCode) { |
| 1382 | result = gExitCode; |
| 1383 | } else if (gQuitting) { |
| 1384 | result = 0; |
| 1385 | } else { |
| 1386 | result = EXITCODE_RUNTIME_ERROR3; |
| 1387 | } |
| 1388 | } |
| 1389 | #ifdef FUZZING_INTERFACES |
| 1390 | } |
| 1391 | #endif |
| 1392 | } |
| 1393 | |
| 1394 | // Signal that we're now shutting down. |
| 1395 | nsCOMPtr<nsIObserver> obs = do_QueryInterface(appStartup); |
| 1396 | if (obs) { |
| 1397 | obs->Observe(nullptr, "quit-application-forced", nullptr); |
| 1398 | } |
| 1399 | |
| 1400 | JS_DropPrincipals(cx, gJSPrincipals); |
| 1401 | JS_SetAllNonReservedSlotsToUndefined(glob); |
| 1402 | JS::RootedObject lexicalEnv(cx, JS_GlobalLexicalEnvironment(glob)); |
| 1403 | JS_SetAllNonReservedSlotsToUndefined(lexicalEnv); |
| 1404 | JS_GC(cx); |
| 1405 | } |
| 1406 | JS_GC(cx); |
| 1407 | |
| 1408 | dirprovider.ClearGREDirs(); |
| 1409 | dirprovider.ClearAppDir(); |
| 1410 | dirprovider.ClearAppFile(); |
| 1411 | } // this scopes the nsCOMPtrs |
| 1412 | |
| 1413 | if (!XRE_ShutdownTestShell()) { |
| 1414 | NS_ERROR("problem shutting down testshell")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "problem shutting down testshell" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1414); MOZ_PretendNoReturn(); } while (0); |
| 1415 | } |
| 1416 | |
| 1417 | // no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM |
| 1418 | rv = NS_ShutdownXPCOM(nullptr); |
| 1419 | MOZ_ASSERT(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed")do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) )))>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))" " (" "NS_ShutdownXPCOM failed" ")", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1419); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))" ") (" "NS_ShutdownXPCOM failed" ")"); do { *((volatile int*) __null) = 1419; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1420 | |
| 1421 | // Shut down the crashreporter service to prevent leaking some strings it |
| 1422 | // holds. |
| 1423 | if (CrashReporter::GetEnabled()) { |
| 1424 | CrashReporter::UnsetExceptionHandler(); |
| 1425 | } |
| 1426 | |
| 1427 | // This must precede NS_LogTerm(), otherwise xpcshell return non-zero |
| 1428 | // during some tests, which causes failures. |
| 1429 | profiler_shutdown(); |
| 1430 | |
| 1431 | NS_LogTerm(); |
| 1432 | |
| 1433 | XRE_DeinitCommandLine(); |
| 1434 | |
| 1435 | return result; |
| 1436 | } |
| 1437 | |
| 1438 | void XPCShellDirProvider::SetGREDirs(nsIFile* greDir) { |
| 1439 | mGREDir = greDir; |
| 1440 | mGREDir->Clone(getter_AddRefs(mGREBinDir)); |
| 1441 | |
| 1442 | #ifdef XP_MACOSX |
| 1443 | nsAutoCString leafName; |
| 1444 | mGREDir->GetNativeLeafName(leafName); |
| 1445 | if (leafName.EqualsLiteral("Resources")) { |
| 1446 | mGREBinDir->SetNativeLeafName("MacOS"_ns); |
| 1447 | } |
| 1448 | #endif |
| 1449 | } |
| 1450 | |
| 1451 | void XPCShellDirProvider::SetAppFile(nsIFile* appFile) { mAppFile = appFile; } |
| 1452 | |
| 1453 | void XPCShellDirProvider::SetAppDir(nsIFile* appDir) { mAppDir = appDir; } |
| 1454 | |
| 1455 | NS_IMETHODIMP_(MozExternalRefCountType)MozExternalRefCountType |
| 1456 | XPCShellDirProvider::AddRef() { return 2; } |
| 1457 | |
| 1458 | NS_IMETHODIMP_(MozExternalRefCountType)MozExternalRefCountType |
| 1459 | XPCShellDirProvider::Release() { return 1; } |
| 1460 | |
| 1461 | NS_IMPL_QUERY_INTERFACE(XPCShellDirProvider, nsIDirectoryServiceProvider,nsresult XPCShellDirProvider::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1462); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(2 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<XPCShellDirProvider, nsIDirectoryServiceProvider >, int32_t( reinterpret_cast<char*>(static_cast<nsIDirectoryServiceProvider *>((XPCShellDirProvider*)0x1000)) - reinterpret_cast<char *>((XPCShellDirProvider*)0x1000))}, {&mozilla::detail:: kImplementedIID<XPCShellDirProvider, nsIDirectoryServiceProvider2 >, int32_t( reinterpret_cast<char*>(static_cast<nsIDirectoryServiceProvider2 *>((XPCShellDirProvider*)0x1000)) - reinterpret_cast<char *>((XPCShellDirProvider*)0x1000))}, {&mozilla::detail:: kImplementedIID<XPCShellDirProvider, nsISupports>, int32_t (reinterpret_cast<char*>(static_cast<nsISupports*> ( static_cast<nsIDirectoryServiceProvider*>((XPCShellDirProvider *)0x1000))) - reinterpret_cast<char*>((XPCShellDirProvider *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 1462 | nsIDirectoryServiceProvider2)nsresult XPCShellDirProvider::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/js/xpconnect/src/XPCShellImpl.cpp" , 1462); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(2 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<XPCShellDirProvider, nsIDirectoryServiceProvider >, int32_t( reinterpret_cast<char*>(static_cast<nsIDirectoryServiceProvider *>((XPCShellDirProvider*)0x1000)) - reinterpret_cast<char *>((XPCShellDirProvider*)0x1000))}, {&mozilla::detail:: kImplementedIID<XPCShellDirProvider, nsIDirectoryServiceProvider2 >, int32_t( reinterpret_cast<char*>(static_cast<nsIDirectoryServiceProvider2 *>((XPCShellDirProvider*)0x1000)) - reinterpret_cast<char *>((XPCShellDirProvider*)0x1000))}, {&mozilla::detail:: kImplementedIID<XPCShellDirProvider, nsISupports>, int32_t (reinterpret_cast<char*>(static_cast<nsISupports*> ( static_cast<nsIDirectoryServiceProvider*>((XPCShellDirProvider *)0x1000))) - reinterpret_cast<char*>((XPCShellDirProvider *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 1463 | |
| 1464 | NS_IMETHODIMPnsresult |
| 1465 | XPCShellDirProvider::GetFile(const char* prop, bool* persistent, |
| 1466 | nsIFile** result) { |
| 1467 | if (mGREDir && !strcmp(prop, NS_GRE_DIR"GreD")) { |
| 1468 | *persistent = true; |
| 1469 | return mGREDir->Clone(result); |
| 1470 | } else if (mGREBinDir && !strcmp(prop, NS_GRE_BIN_DIR"GreBinD")) { |
| 1471 | *persistent = true; |
| 1472 | return mGREBinDir->Clone(result); |
| 1473 | } else if (mAppFile && !strcmp(prop, XRE_EXECUTABLE_FILE"XREExeF")) { |
| 1474 | *persistent = true; |
| 1475 | return mAppFile->Clone(result); |
| 1476 | } else if (mGREDir && !strcmp(prop, NS_APP_PREF_DEFAULTS_50_DIR"PrfDef")) { |
| 1477 | nsCOMPtr<nsIFile> file; |
| 1478 | *persistent = true; |
| 1479 | if (NS_FAILED(mGREDir->Clone(getter_AddRefs(file)))((bool)(__builtin_expect(!!(NS_FAILED_impl(mGREDir->Clone( getter_AddRefs(file)))), 0))) || |
| 1480 | NS_FAILED(file->AppendNative("defaults"_ns))((bool)(__builtin_expect(!!(NS_FAILED_impl(file->AppendNative ("defaults"_ns))), 0))) || |
| 1481 | NS_FAILED(file->AppendNative("pref"_ns))((bool)(__builtin_expect(!!(NS_FAILED_impl(file->AppendNative ("pref"_ns))), 0)))) |
| 1482 | return NS_ERROR_FAILURE; |
| 1483 | file.forget(result); |
| 1484 | return NS_OK; |
| 1485 | } |
| 1486 | |
| 1487 | return NS_ERROR_FAILURE; |
| 1488 | } |
| 1489 | |
| 1490 | NS_IMETHODIMPnsresult |
| 1491 | XPCShellDirProvider::GetFiles(const char* prop, nsISimpleEnumerator** result) { |
| 1492 | if (mGREDir && !strcmp(prop, "ChromeML")) { |
| 1493 | nsCOMArray<nsIFile> dirs; |
| 1494 | |
| 1495 | nsCOMPtr<nsIFile> file; |
| 1496 | mGREDir->Clone(getter_AddRefs(file)); |
| 1497 | file->AppendNative("chrome"_ns); |
| 1498 | dirs.AppendObject(file); |
| 1499 | |
| 1500 | nsresult rv = |
| 1501 | NS_GetSpecialDirectory(NS_APP_CHROME_DIR"AChrom", getter_AddRefs(file)); |
| 1502 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1503 | dirs.AppendObject(file); |
| 1504 | } |
| 1505 | |
| 1506 | return NS_NewArrayEnumerator(result, dirs, NS_GET_IID(nsIFile)(nsIFile::COMTypeInfo<nsIFile, void>::kIID)); |
| 1507 | } else if (!strcmp(prop, NS_APP_PREFS_DEFAULTS_DIR_LIST"PrefDL")) { |
| 1508 | nsCOMArray<nsIFile> dirs; |
| 1509 | nsCOMPtr<nsIFile> appDir; |
| 1510 | bool exists; |
| 1511 | if (mAppDir && NS_SUCCEEDED(mAppDir->Clone(getter_AddRefs(appDir)))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mAppDir->Clone (getter_AddRefs(appDir)))), 1))) && |
| 1512 | NS_SUCCEEDED(appDir->AppendNative("defaults"_ns))((bool)(__builtin_expect(!!(!NS_FAILED_impl(appDir->AppendNative ("defaults"_ns))), 1))) && |
| 1513 | NS_SUCCEEDED(appDir->AppendNative("preferences"_ns))((bool)(__builtin_expect(!!(!NS_FAILED_impl(appDir->AppendNative ("preferences"_ns))), 1))) && |
| 1514 | NS_SUCCEEDED(appDir->Exists(&exists))((bool)(__builtin_expect(!!(!NS_FAILED_impl(appDir->Exists (&exists))), 1))) && exists) { |
| 1515 | dirs.AppendObject(appDir); |
| 1516 | return NS_NewArrayEnumerator(result, dirs, NS_GET_IID(nsIFile)(nsIFile::COMTypeInfo<nsIFile, void>::kIID)); |
| 1517 | } |
| 1518 | return NS_ERROR_FAILURE; |
| 1519 | } |
| 1520 | return NS_ERROR_FAILURE; |
| 1521 | } |