NativeLauncher/launcher/dotnet/dotnet_launcher.cc

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 #include <dlfcn.h>
  19 #include <signal.h>
  20
  21 #include <string>
  22 #include <fstream>
  23 #include <vector>
  24 #include <sstream>
  25
  26 #include <locale>
  27 #include <codecvt>
  28
  29 #include <fcntl.h>
  30 #include <sys/stat.h>
  31 #include <sys/types.h>
  32 #include <sys/wait.h>
  33 #include <unistd.h>
  34 #include <linux/limits.h>
  35
  36 #include <storage.h>
  37 #include <app_common.h>
  38
  39 #include "injection.h"
  40 #include "utils.h"
  41 #include "log.h"
  42 #include "launcher.h"
  43 #include "dotnet_launcher.h"
  44 #include "plugin_manager.h"
  45 #include "path_manager.h"
  46 #include "log_manager.h"
  47
  48 namespace tizen {
  49 namespace runtime {
  50 namespace dotnetcore {
  51
  52 #if defined (__aarch64__)
  53 #define ARCHITECTURE_IDENTIFIER "arm64"
  54 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  55         {"linux-arm64", "linux", "unix-arm64", "unix", "any", "base"};
  56
  57 #elif defined (__arm__)
  58 #define ARCHITECTURE_IDENTIFIER "arm"
  59 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  60         {"tizen.5.0.0-armel", "tizen.5.0.0", "tizen.4.0.0-armel", "tizen.4.0.0", "tizen-armel", "tizen", "linux-armel", "linux", "unix-armel", "unix", "any", "base"};
  61
  62 #elif defined (__x86_64__)
  63 #define ARCHITECTURE_IDENTIFIER "x64"
  64 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  65         {"linux-x64", "linux", "unix-x64", "unix", "any", "base"};
  66
  67 #elif defined (__i386__)
  68 #define ARCHITECTURE_IDENTIFIER "x86"
  69 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  70         {"tizen.5.0.0-x86", "tizen.5.0.0", "tizen.4.0.0-x86", "tizen.4.0.0", "tizen-x86", "tizen", "linux-x86", "linux", "unix-x86", "unix", "any", "base"};
  71
  72 #else
  73 #error "Unknown target"
  74 #endif
  75
  76 static std::string getExtraNativeLibDirs(const std::string& appRoot)
  77 {
  78         std::string candidate;
  79         for (unsigned int i = 0; i < RID_FALLBACK_GRAPH.size(); i++) {
  80                 if(!candidate.empty()) {
  81                         candidate += ":";
  82                 }
  83                 candidate += concatPath(appRoot, "bin/runtimes/" + RID_FALLBACK_GRAPH[i] + "/native");
  84         }
  85
  86         candidate = candidate + ":" + concatPath(appRoot, "lib/" ARCHITECTURE_IDENTIFIER);
  87         if (!strncmp(ARCHITECTURE_IDENTIFIER, "arm64", 5)) {
  88                 candidate = candidate + ":" + concatPath(appRoot, "lib/aarch64");
  89         }
  90
  91         return candidate;
  92 }
  93
  94
  95 static std::vector<std::string> __envList;
  96
  97 static void setEnvFromFile()
  98 {
  99         std::string envList;
 100         std::ifstream inFile(ENV_FILE_PATH);
 101
 102         __envList.clear();
 103
 104         if (inFile) {
 105                 _INFO("coreclr_env.list is found");
 106                 inFile >> envList;
 107
 108                 std::istringstream ss(envList);
 109                 std::string token;
 110
 111                 while (std::getline(ss, token, ':')) {
 112                         if (!token.empty()) {
 113                                 __envList.push_back(token);
 114                         }
 115                 }
 116
 117                 for (unsigned int i = 0; i < __envList.size(); i++) {
 118                         putenv(const_cast<char *>(__envList[i].c_str()));
 119                 }
 120         } else {
 121                 _INFO("coreclr_env.list file is not found. skip");
 122         }
 123 }
 124
 125 #define _unused(x) ((void)(x))
 126
 127 struct sigaction sig_abrt_new;
 128 struct sigaction sig_abrt_old;
 129
 130 static bool checkOnSigabrt = false;
 131 static bool checkOnTerminate = false;
 132
 133 static void onSigabrt(int signum)
 134 {
 135         // use unused variable to avoid build warning
 136         ssize_t ret = write(STDERR_FILENO, "onSigabrt called\n", 17);
 137
 138         if (checkOnTerminate) {
 139                 ret = write(STDERR_FILENO, "onSigabrt called while terminate. go to exit\n", 45);
 140                 _unused(ret);
 141                 exit(0);
 142         }
 143
 144         if (checkOnSigabrt) {
 145                 ret = write(STDERR_FILENO, "onSigabrt called again. go to exit\n", 35);
 146                 _unused(ret);
 147                 exit(0);
 148         }
 149
 150         if (hasException()) {
 151                 ret = write(STDERR_FILENO, "******************************************************\n", 55);
 152                 ret = write(STDERR_FILENO, "Unhandled exception is occured. check application code\n", 55);
 153                 ret = write(STDERR_FILENO, "******************************************************\n", 55);
 154         }
 155
 156         checkOnSigabrt = true;
 157         if (sigaction(SIGABRT, &sig_abrt_old, NULL) == 0) {
 158                 if (raise(signum) < 0) {
 159                         ret = write(STDERR_FILENO, "Fail to raise SIGABRT\n", 22);
 160                 }
 161         } else {
 162                 ret = write(STDERR_FILENO, "Fail to set original SIGABRT handler\n", 37);
 163         }
 164         _unused(ret);
 165 }
 166
 167 static void registerSigHandler()
 168 {
 169         sig_abrt_new.sa_handler = onSigabrt;
 170         if (sigemptyset(&sig_abrt_new.sa_mask) != 0) {
 171                 _ERR("Fail to sigemptyset");
 172         }
 173
 174         if (sigaction(SIGABRT, &sig_abrt_new, &sig_abrt_old) < 0) {
 175                 _ERR("Fail to add sig handler");
 176         }
 177 }
 178
 179 static bool storage_cb(int id, storage_type_e type, storage_state_e state, const char *path, void *user_data)
 180 {
 181         int* tmp = (int*)user_data;
 182         if (type == STORAGE_TYPE_INTERNAL)
 183         {
 184                 *tmp = id;
 185                 return false;
 186         }
 187
 188         return true;
 189 }
 190
 191 static void initEnvForSpecialFolder()
 192 {
 193         int storageId;
 194         int error;
 195         char *path = NULL;
 196
 197         error = storage_foreach_device_supported(storage_cb, &storageId);
 198         if (error != STORAGE_ERROR_NONE) {
 199                 return;
 200         }
 201
 202         error = storage_get_directory(storageId, STORAGE_DIRECTORY_IMAGES, &path);
 203         if (error == STORAGE_ERROR_NONE && path != NULL) {
 204                 setenv("XDG_PICTURES_DIR", const_cast<char *>(path), 1);
 205                 free(path);
 206                 path = NULL;
 207         }
 208
 209         error = storage_get_directory(storageId, STORAGE_DIRECTORY_MUSIC, &path);
 210         if (error == STORAGE_ERROR_NONE && path != NULL) {
 211                 setenv("XDG_MUSIC_DIR", const_cast<char *>(path), 1);
 212                 free(path);
 213                 path = NULL;
 214         }
 215
 216         error = storage_get_directory(storageId, STORAGE_DIRECTORY_VIDEOS, &path);
 217         if (error == STORAGE_ERROR_NONE && path != NULL) {
 218                 setenv("XDG_VIDEOS_DIR", const_cast<char *>(path), 1);
 219                 free(path);
 220                 path = NULL;
 221         }
 222 }
 223
 224 void CoreRuntime::preloadTypes()
 225 {
 226         const static std::string initDllPath = "/usr/share/dotnet.tizen/framework/Tizen.Init.dll";
 227         if (!isFileExist(initDllPath)) {
 228                 _ERR("Failed to locate Tizen.Init.dll");
 229                 return;
 230         }
 231
 232         typedef void (*InitDelegate)();
 233         InitDelegate initDelegate;
 234
 235         int ret = createDelegate(__hostHandle,
 236                 __domainId,
 237                 "Tizen.Init",
 238                 "Tizen.Init.TypeLoader",
 239                 "PreloadTypes",
 240                 (void**)&initDelegate);
 241
 242         if (ret < 0) {
 243                 _ERR("Failed to create delegate for PreloadTypes (0x%08x)", ret);
 244         } else {
 245                 initDelegate();
 246         }
 247 }
 248
 249 CoreRuntime::CoreRuntime(const char* mode) :
 250         initializeClr(nullptr),
 251         executeAssembly(nullptr),
 252         shutdown(nullptr),
 253         createDelegate(nullptr),
 254         setEnvironmentVariable(nullptr),
 255         __coreclrLib(nullptr),
 256         __hostHandle(nullptr),
 257         __domainId(-1),
 258         fd(0),
 259         __initialized(false),
 260         __isProfileMode(false)
 261 {
 262         _INFO("Constructor called!!");
 263
 264         char *env = nullptr;
 265         env = getenv("CORECLR_ENABLE_PROFILING");
 266         if (env != nullptr && !strcmp(env, "1")) {
 267                 _INFO("profiling mode on");
 268                 __isProfileMode = true;
 269         }
 270
 271         // plugin initialize should be called before start loader mainloop.
 272         // In case of VD plugins, attaching secure zone is done in the plugin_initialize().
 273         // When attaching to a secure zone, if there is a created thread, it will failed.
 274         // So, plugin initialize should be called before mainloop start.
 275         if (initializePluginManager(mode) < 0) {
 276                 _ERR("Failed to initialize PluginManager");
 277         }
 278
 279         if (pluginHasLogControl()) {
 280                 __enableLogManager = false;
 281         } else {
 282                 __enableLogManager = true;
 283         }
 284 }
 285
 286 CoreRuntime::~CoreRuntime()
 287 {
 288         // workaround : to prevent crash while process terminate on profiling mode,
 289         //              kill process immediately.
 290         // see https://github.com/dotnet/coreclr/issues/26687
 291         if (__isProfileMode) {
 292                 _INFO("shutdown process immediately.");
 293                 _exit(0);
 294         }
 295
 296         dispose();
 297 }
 298
 299 int CoreRuntime::initialize(bool standalone)
 300 {
 301         // checkInjection checks dotnet-launcher run mode
 302         // At the moment, this mechanism is used only when the Memory Profiler is started.
 303         int res = checkInjection();
 304         if (res != 0) {
 305                 _ERR("Failed to initnialize Memory Profiler");
 306                 return -1;
 307         }
 308 #define __XSTR(x) #x
 309 #define __STR(x) __XSTR(x)
 310
 311 #ifdef NATIVE_LIB_DIR
 312         __nativeLibDirectory = __STR(NATIVE_LIB_DIR);
 313 #endif
 314
 315 #undef __STR
 316 #undef __XSTR
 317
 318 #ifdef __arm__
 319         // libunwind library is used to unwind stack frame, but libunwind for ARM
 320         // does not support ARM vfpv3/NEON registers in DWARF format correctly.
 321         // Therefore let's disable stack unwinding using DWARF information
 322         // See https://github.com/dotnet/coreclr/issues/6698
 323         //
 324         // libunwind use following methods to unwind stack frame.
 325         // UNW_ARM_METHOD_ALL          0xFF
 326         // UNW_ARM_METHOD_DWARF        0x01
 327         // UNW_ARM_METHOD_FRAME        0x02
 328         // UNW_ARM_METHOD_EXIDX        0x04
 329         putenv(const_cast<char *>("UNW_ARM_UNWIND_METHOD=6"));
 330 #endif // __arm__
 331
 332         // Disable debug pipes and semaphores creation in case of non-standlone mode
 333         if (!standalone)
 334                 putenv(const_cast<char *>("COMPlus_EnableDiagnostics=0"));
 335
 336         // Write Debug.WriteLine to stderr
 337         putenv(const_cast<char *>("COMPlus_DebugWriteToStdErr=1"));
 338
 339 #ifdef USE_DEFAULT_BASE_ADDR
 340         putenv(const_cast<char *>("COMPlus_UseDefaultBaseAddr=1"));
 341 #endif // USE_DEFAULT_BASE_ADDR
 342
 343         // read string from external file and set them to environment value.
 344         setEnvFromFile();
 345
 346         // Set environment for System.Environment.SpecialFolder
 347         initEnvForSpecialFolder();
 348
 349         if (initializePathManager(std::string(), std::string(), std::string()) < 0) {
 350                 _ERR("Failed to initialize PathManager");
 351                 return -1;
 352         }
 353
 354         if (__enableLogManager) {
 355                 if (initializeLogManager() < 0) {
 356                         _ERR("Failed to initnialize LogManager");
 357                         return -1;
 358                 }
 359
 360                 if (redirectFD() < 0) {
 361                         _ERR("Failed to redirect FD");
 362                         return -1;
 363                 }
 364
 365                 if (runLoggingThread() < 0) {
 366                         _ERR("Failed to create and run logging thread to redicrect log");
 367                         return -1;
 368                 }
 369         }
 370
 371         std::string libCoreclr(concatPath(getRuntimeDir(), "libcoreclr.so"));
 372
 373         __coreclrLib = dlopen(libCoreclr.c_str(), RTLD_NOW | RTLD_LOCAL);
 374         if (__coreclrLib == nullptr) {
 375                 char *err = dlerror();
 376                 _ERR("dlopen failed to open libcoreclr.so with error %s", err);
 377                 if (access(libCoreclr.c_str(), R_OK) == -1)
 378                         _ERR("access '%s': %s\n", libCoreclr.c_str(), strerror(errno));
 379                 return -1;
 380         }
 381
 382 #define CORELIB_RETURN_IF_NOSYM(type, variable, name) \
 383         do { \
 384                 variable = (type)dlsym(__coreclrLib, name); \
 385                 if (variable == nullptr) { \
 386                         _ERR(name " is not found in the libcoreclr.so"); \
 387                         return -1; \
 388                 } \
 389         } while (0)
 390
 391         CORELIB_RETURN_IF_NOSYM(coreclr_initialize_ptr, initializeClr, "coreclr_initialize");
 392         CORELIB_RETURN_IF_NOSYM(coreclr_execute_assembly_ptr, executeAssembly, "coreclr_execute_assembly");
 393         CORELIB_RETURN_IF_NOSYM(coreclr_shutdown_ptr, shutdown, "coreclr_shutdown");
 394         CORELIB_RETURN_IF_NOSYM(coreclr_create_delegate_ptr, createDelegate, "coreclr_create_delegate");
 395
 396 #undef CORELIB_RETURN_IF_NOSYM
 397
 398         _INFO("libcoreclr dlopen and dlsym success");
 399
 400         if (!standalone)
 401                 pluginPreload();
 402
 403         fd = open("/proc/self", O_DIRECTORY);
 404         std::string appRoot = std::string("/proc/self/fd/") + std::to_string(fd);
 405         std::string appBin = concatPath(appRoot, "bin");
 406         std::string appLib = concatPath(appRoot, "lib");
 407         std::string appTac = concatPath(appBin, TAC_SYMLINK_SUB_DIR);
 408         std::string probePath = appBin + ":" + appLib + ":" + appTac;
 409         std::string NIprobePath = concatPath(appBin, APP_NI_SUB_DIR) + ":" + concatPath(appLib, APP_NI_SUB_DIR) + ":" + appTac;
 410         std::string tpa = getTPA();
 411         std::string runtimeDir = getRuntimeDir();
 412         std::string nativeLibPath = getExtraNativeLibDirs(appRoot) + ":" + appBin + ":" + appLib + ":" + __nativeLibDirectory + ":" + runtimeDir;
 413         std::string appName = std::string("dotnet-launcher-") + std::to_string(getpid());
 414
 415         if (!initializeCoreClr(appName.c_str(), probePath.c_str(), NIprobePath.c_str(), nativeLibPath.c_str(), tpa.c_str())) {
 416                 _ERR("Failed to initialize coreclr");
 417                 return -1;
 418         }
 419
 420         int st = createDelegate(__hostHandle, __domainId, "Dotnet.Launcher", "Dotnet.Launcher.Environment", "SetEnvironmentVariable", (void**)&setEnvironmentVariable);
 421         if (st < 0 || setEnvironmentVariable == nullptr) {
 422                 _ERR("Create delegate for Dotnet.Launcher.dll -> Dotnet.Launcher.Environment -> SetEnvironmentVariable failed (0x%08x)", st);
 423                 return -1;
 424         }
 425
 426         __initialized = true;
 427
 428         if (!standalone)
 429         {
 430                 preloadTypes();         // Preload common managed code
 431         }
 432
 433         _INFO("CoreRuntime initialize success");
 434
 435         return 0;
 436 }
 437
 438 bool CoreRuntime::initializeCoreClr(const char* appId,
 439                                                                          const char* assemblyProbePaths,
 440                                                                          const char* NIProbePaths,
 441                                                                          const char* pinvokeProbePaths,
 442                                                                          const char* tpaList)
 443 {
 444         const char *propertyKeys[] = {
 445                 "TRUSTED_PLATFORM_ASSEMBLIES",
 446                 "APP_PATHS",
 447                 "APP_NI_PATHS",
 448                 "NATIVE_DLL_SEARCH_DIRECTORIES",
 449                 "AppDomainCompatSwitch"
 450         };
 451
 452         const char *propertyValues[] = {
 453                 tpaList,
 454                 assemblyProbePaths,
 455                 NIProbePaths,
 456                 pinvokeProbePaths,
 457                 "UseLatestBehaviorWhenTFMNotSpecified"
 458         };
 459
 460         std::string selfPath = readSelfPath();
 461
 462         int st = initializeClr(selfPath.c_str(),
 463                                                         appId,
 464                                                         sizeof(propertyKeys) / sizeof(propertyKeys[0]),
 465                                                         propertyKeys,
 466                                                         propertyValues,
 467                                                         &__hostHandle,
 468                                                         &__domainId);
 469
 470         if (st < 0) {
 471                 _ERR("initialize core clr fail! (0x%08x)", st);
 472                 return false;
 473         }
 474
 475         pluginSetCoreclrInfo(__hostHandle, __domainId, createDelegate);
 476
 477         _INFO("Initialize core clr success");
 478         return true;
 479 }
 480
 481 void CoreRuntime::dispose()
 482 {
 483         // call plugin finalize function to notify finalize to plugin
 484         // dlclose shoud be done after coreclr shutdown to avoid breaking signal chain
 485         pluginFinalize();
 486
 487         // ignore the signal generated by an exception that occurred during shutdown
 488         checkOnTerminate = true;
 489
 490         if (__hostHandle != nullptr) {
 491                 int st = shutdown(__hostHandle, __domainId);
 492                 if (st < 0)
 493                         _ERR("shutdown core clr fail! (0x%08x)", st);
 494                 __hostHandle = nullptr;
 495         }
 496
 497         if (__coreclrLib != nullptr) {
 498                 if (dlclose(__coreclrLib) != 0) {
 499                         _ERR("libcoreclr.so close failed");
 500                 }
 501
 502                 __coreclrLib = nullptr;
 503         }
 504
 505         finalizePluginManager();
 506         finalizePathManager();
 507
 508         __envList.clear();
 509
 510         _INFO("Dotnet runtime disposed");
 511 }
 512
 513 int CoreRuntime::launch(const char* appId, const char* root, const char* path, int argc, char* argv[])
 514 {
 515         if (!__initialized) {
 516                 _ERR("Runtime is not initialized");
 517                 return -1;
 518         }
 519
 520         if (path == nullptr) {
 521                 _ERR("executable path is null");
 522                 return -1;
 523         }
 524
 525         if (!isFileExist(path)) {
 526                 _ERR("File not exist : %s", path);
 527                 return -1;
 528         }
 529
 530         if (__enableLogManager) {
 531                 // launchpad override stdout and stderr to journalctl before launch application.
 532                 // we have to re-override that to input pipe for logging thread.
 533                 if (redirectFD() < 0) {
 534                         _ERR("Failed to redirect FD");
 535                         return -1;
 536                 }
 537
 538                 registerSigHandler();
 539         }
 540
 541         pluginSetAppInfo(appId, path);
 542
 543         int fd2 = open(root, O_DIRECTORY);
 544         dup3(fd2, fd, O_CLOEXEC);
 545         if (fd2 >= 0)
 546                 close(fd2);
 547
 548         // set application data path to coreclr environment.
 549         // application data path can be changed by owner. So, we have to set data path just before launching.
 550         char* localDataPath = app_get_data_path();
 551         if (localDataPath != nullptr) {
 552                 setEnvironmentVariable("XDG_DATA_HOME", localDataPath);
 553                 free(localDataPath);
 554         }
 555
 556         pluginBeforeExecute();
 557
 558         _INFO("execute assembly : %s", path);
 559
 560         unsigned int ret = 0;
 561         int st = executeAssembly(__hostHandle, __domainId, argc, (const char**)argv, path, &ret);
 562         if (st < 0)
 563                 _ERR("Failed to Execute Assembly %s (0x%08x)", path, st);
 564         return ret;
 565 }
 566
 567 }  // namespace dotnetcore
 568 }  // namespace runtime
 569 }  // namespace tizen