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 <fcntl.h>
  27 #include <sys/stat.h>
  28 #include <sys/types.h>
  29 #include <sys/wait.h>
  30 #include <unistd.h>
  31 #include <linux/limits.h>
  32
  33 #include <storage.h>
  34 #include <app_common.h>
  35
  36 #include "injection.h"
  37 #include "utils.h"
  38 #include "log.h"
  39 #include "launcher.h"
  40 #include "dotnet_launcher.h"
  41 #include "plugin_manager.h"
  42 #include "path_manager.h"
  43 #include "log_manager.h"
  44
  45 #define PLUGIN_PATH "/usr/share/dotnet.tizen/lib/libdotnet_plugin.so"
  46 #define ENV_FILE_PATH "/usr/share/dotnet.tizen/lib/coreclr_env.list"
  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 CoreRuntime::CoreRuntime(const char* mode) :
 225         initializeClr(nullptr),
 226         executeAssembly(nullptr),
 227         shutdown(nullptr),
 228         createDelegate(nullptr),
 229         setEnvironmentVariable(nullptr),
 230         multiByteToWideChar(nullptr),
 231         __coreclrLib(nullptr),
 232         __hostHandle(nullptr),
 233         __domainId(-1),
 234         fd(0),
 235         __initialized(false)
 236 {
 237         _INFO("Constructor called!!");
 238
 239         // plugin initialize should be called before start loader mainloop.
 240         // In case of VD plugins, attaching secure zone is done in the plugin_initialize().
 241         // When attaching to a secure zone, if there is a created thread, it will failed.
 242         // So, plugin initialize should be called before mainloop start.
 243         if (initializePluginManager(mode) < 0) {
 244                 _ERR("Failed to initialize PluginManager");
 245         }
 246
 247         if (pluginHasLogControl()) {
 248                 __enableLogManager = false;
 249         } else {
 250                 __enableLogManager = true;
 251         }
 252 }
 253
 254 CoreRuntime::~CoreRuntime()
 255 {
 256         dispose();
 257 }
 258
 259 int CoreRuntime::initialize(bool standalone)
 260 {
 261         // checkInjection checks dotnet-launcher run mode,
 262         // if it contains DOTNET_LAUNCHER_INJECT variable, it injects library.
 263         // At the moment, this mechanism is used only when the Memory Profiler is started.
 264         int res = checkInjection();
 265         if (res != 0) {
 266                 _ERR("Failed to initnialize Memory Profiler");
 267                 return -1;
 268         }
 269 #define __XSTR(x) #x
 270 #define __STR(x) __XSTR(x)
 271
 272 #ifdef NATIVE_LIB_DIR
 273         __nativeLibDirectory = __STR(NATIVE_LIB_DIR);
 274 #endif
 275
 276 #undef __STR
 277 #undef __XSTR
 278
 279 #ifdef __arm__
 280         // libunwind library is used to unwind stack frame, but libunwind for ARM
 281         // does not support ARM vfpv3/NEON registers in DWARF format correctly.
 282         // Therefore let's disable stack unwinding using DWARF information
 283         // See https://github.com/dotnet/coreclr/issues/6698
 284         //
 285         // libunwind use following methods to unwind stack frame.
 286         // UNW_ARM_METHOD_ALL          0xFF
 287         // UNW_ARM_METHOD_DWARF        0x01
 288         // UNW_ARM_METHOD_FRAME        0x02
 289         // UNW_ARM_METHOD_EXIDX        0x04
 290         putenv(const_cast<char *>("UNW_ARM_UNWIND_METHOD=6"));
 291 #endif // __arm__
 292
 293         // Disable debug pipes and semaphores creation in case of non-standlone mode
 294         if (!standalone)
 295                 putenv(const_cast<char *>("COMPlus_EnableDiagnostics=0"));
 296
 297         // read string from external file and set them to environment value.
 298         setEnvFromFile();
 299
 300         // Set environment for System.Environment.SpecialFolder
 301         initEnvForSpecialFolder();
 302
 303         if (initializePathManager(std::string(), std::string(), std::string()) < 0) {
 304                 _ERR("Failed to initialize PathManager");
 305                 return -1;
 306         }
 307
 308         if (__enableLogManager) {
 309                 if (initializeLogManager() < 0) {
 310                         _ERR("Failed to initnialize LogManager");
 311                         return -1;
 312                 }
 313
 314                 if (redirectFD() < 0) {
 315                         _ERR("Failed to redirect FD");
 316                         return -1;
 317                 }
 318
 319                 if (runLoggingThread() < 0) {
 320                         _ERR("Failed to create and run logging thread to redicrect log");
 321                         return -1;
 322                 }
 323         }
 324
 325         std::string libCoreclr(concatPath(getRuntimeDir(), "libcoreclr.so"));
 326
 327         __coreclrLib = dlopen(libCoreclr.c_str(), RTLD_NOW | RTLD_LOCAL);
 328         if (__coreclrLib == nullptr) {
 329                 char *err = dlerror();
 330                 _ERR("dlopen failed to open libcoreclr.so with error %s", err);
 331                 return -1;
 332         }
 333
 334 #define CORELIB_RETURN_IF_NOSYM(type, variable, name) \
 335         do { \
 336                 variable = (type)dlsym(__coreclrLib, name); \
 337                 if (variable == nullptr) { \
 338                         _ERR(name " is not found in the libcoreclr.so"); \
 339                         return -1; \
 340                 } \
 341         } while (0)
 342
 343         CORELIB_RETURN_IF_NOSYM(coreclr_initialize_ptr, initializeClr, "coreclr_initialize");
 344         CORELIB_RETURN_IF_NOSYM(coreclr_execute_assembly_ptr, executeAssembly, "coreclr_execute_assembly");
 345         CORELIB_RETURN_IF_NOSYM(coreclr_shutdown_ptr, shutdown, "coreclr_shutdown");
 346         CORELIB_RETURN_IF_NOSYM(coreclr_create_delegate_ptr, createDelegate, "coreclr_create_delegate");
 347         CORELIB_RETURN_IF_NOSYM(set_environment_variable_ptr, setEnvironmentVariable, "SetEnvironmentVariableW");
 348         CORELIB_RETURN_IF_NOSYM(multi_byte_to_wide_char_ptr, multiByteToWideChar, "MultiByteToWideChar");
 349
 350 #undef CORELIB_RETURN_IF_NOSYM
 351
 352         _INFO("libcoreclr dlopen and dlsym success");
 353
 354         if (!standalone)
 355                 pluginPreload();
 356
 357         fd = open("/proc/self", O_DIRECTORY);
 358         std::string appRoot = std::string("/proc/self/fd/") + std::to_string(fd);
 359         std::string appBin = concatPath(appRoot, "bin");
 360         std::string appLib = concatPath(appRoot, "lib");
 361         std::string probePath = appBin + ":" + appLib;
 362         std::string tpa = getTPA();
 363         std::string nativeLibPath = getExtraNativeLibDirs(appRoot) + ":" + appBin + ":" + appLib + ":" + __nativeLibDirectory;
 364         std::string appName = std::string("dotnet-launcher-") + std::to_string(getpid());
 365
 366         if (!initializeCoreClr(appName.c_str(), probePath.c_str(), nativeLibPath.c_str(), tpa.c_str())) {
 367                 _ERR("Failed to initialize coreclr");
 368                 return -1;
 369         }
 370
 371         __initialized = true;
 372
 373         _INFO("CoreRuntime initialize success");
 374
 375         return 0;
 376 }
 377
 378 bool CoreRuntime::initializeCoreClr(const char* appId,
 379                                                                          const char* assemblyProbePaths,
 380                                                                          const char* pinvokeProbePaths,
 381                                                                          const char* tpaList)
 382 {
 383         const char *propertyKeys[] = {
 384                 "TRUSTED_PLATFORM_ASSEMBLIES",
 385                 "APP_PATHS",
 386                 "APP_NI_PATHS",
 387                 "NATIVE_DLL_SEARCH_DIRECTORIES",
 388                 "AppDomainCompatSwitch"
 389         };
 390
 391         const char *propertyValues[] = {
 392                 tpaList,
 393                 assemblyProbePaths,
 394                 assemblyProbePaths,
 395                 pinvokeProbePaths,
 396                 "UseLatestBehaviorWhenTFMNotSpecified"
 397         };
 398
 399         std::string selfPath = readSelfPath();
 400
 401         int st = initializeClr(selfPath.c_str(),
 402                                                         appId,
 403                                                         sizeof(propertyKeys) / sizeof(propertyKeys[0]),
 404                                                         propertyKeys,
 405                                                         propertyValues,
 406                                                         &__hostHandle,
 407                                                         &__domainId);
 408
 409         if (st < 0) {
 410                 _ERR("initialize core clr fail! (0x%08x)", st);
 411                 return false;
 412         }
 413
 414         pluginSetCoreclrInfo(__hostHandle, __domainId, createDelegate);
 415
 416         _INFO("Initialize core clr success");
 417         return true;
 418 }
 419
 420 void CoreRuntime::dispose()
 421 {
 422         // call plugin finalize function to notify finalize to plugin
 423         // dlclose shoud be done after coreclr shutdown to avoid breaking signal chain
 424         pluginFinalize();
 425
 426         // ignore the signal generated by an exception that occurred during shutdown
 427         checkOnTerminate = true;
 428
 429         if (__hostHandle != nullptr) {
 430                 int st = shutdown(__hostHandle, __domainId);
 431                 if (st < 0)
 432                         _ERR("shutdown core clr fail! (0x%08x)", st);
 433                 __hostHandle = nullptr;
 434         }
 435
 436         if (__coreclrLib != nullptr) {
 437                 if (dlclose(__coreclrLib) != 0) {
 438                         _ERR("libcoreclr.so close failed");
 439                 }
 440
 441                 __coreclrLib = nullptr;
 442         }
 443
 444         finalizePluginManager();
 445         finalizePathManager();
 446
 447         __envList.clear();
 448
 449         _INFO("Dotnet runtime disposed");
 450 }
 451
 452 int CoreRuntime::launch(const char* appId, const char* root, const char* path, int argc, char* argv[])
 453 {
 454         if (!__initialized) {
 455                 _ERR("Runtime is not initialized");
 456                 return -1;
 457         }
 458
 459         if (path == nullptr) {
 460                 _ERR("executable path is null");
 461                 return -1;
 462         }
 463
 464         if (!isFileExist(path)) {
 465                 _ERR("File not exist : %s", path);
 466                 return -1;
 467         }
 468
 469         if (__enableLogManager) {
 470                 // launchpad override stdout and stderr to journalctl before launch application.
 471                 // we have to re-override that to input pipe for logging thread.
 472                 if (redirectFD() < 0) {
 473                         _ERR("Failed to redirect FD");
 474                         return -1;
 475                 }
 476
 477                 registerSigHandler();
 478         }
 479
 480         pluginSetAppInfo(appId, path);
 481
 482         int fd2 = open(root, O_DIRECTORY);
 483         dup3(fd2, fd, O_CLOEXEC);
 484         if (fd2 >= 0)
 485                 close(fd2);
 486
 487         // set application data path to coreclr environment.
 488         // application data path can be changed by owner. So, we have to set data path just before launching.
 489         char* localDataPath = app_get_data_path();
 490         if (localDataPath != nullptr) {
 491                 char16_t envval[PATH_MAX] = {0};
 492                 int copied = multiByteToWideChar(0 /* CP_ACP */, 0, localDataPath, -1, envval, PATH_MAX);
 493                 if (copied >= PATH_MAX) {
 494                         _ERR("Data Path is bigger than PATH_MAX");
 495                 }
 496
 497                 if (!setEnvironmentVariable(u"XDG_DATA_HOME", envval)) {
 498                         _ERR("Failed to set XDG_DATA_HOME");
 499
 500                 }
 501
 502                 free(localDataPath);
 503         }
 504
 505         pluginBeforeExecute();
 506
 507         _INFO("execute assembly : %s", path);
 508
 509         unsigned int ret = 0;
 510         int st = executeAssembly(__hostHandle, __domainId, argc, (const char**)argv, path, &ret);
 511         if (st < 0)
 512                 _ERR("Failed to Execute Assembly %s (0x%08x)", path, st);
 513         return ret;
 514 }
 515
 516 }  // namespace dotnetcore
 517 }  // namespace runtime
 518 }  // namespace tizen