NativeLauncher/installer-plugin/common.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 #include <pkgmgr-info.h>
  18 #include <pkgmgr_installer_info.h>
  19 #include <aul.h>
  20
  21 #include "log.h"
  22 #include "utils.h"
  23 #include "pkgmgr_parser_plugin_interface.h"
  24
  25 #include <wait.h>
  26 #include <dirent.h>
  27 #include <sys/stat.h>
  28
  29 #include <algorithm>
  30 #include <string>
  31
  32 #include <pwd.h>
  33 #include <grp.h>
  34 #include <sys/stat.h>
  35 #include <unistd.h>
  36 #include <string.h>
  37
  38 #include <fstream>
  39
  40 #include "common.h"
  41
  42 #ifdef  LOG_TAG
  43 #undef  LOG_TAG
  44 #endif
  45 #define LOG_TAG "NETCORE_INSTALLER_PLUGIN"
  46
  47 #ifndef DEVICE_API_DIR
  48 #error "DEVICE_API_DIR is missed"
  49 #endif
  50
  51 #ifndef RUNTIME_DIR
  52 #error "RUNTIME_DIR is missed"
  53 #endif
  54
  55 #ifndef CROSSGEN_PATH
  56 #error "CROSSGEN_PATH is missed"
  57 #endif
  58
  59 #define __XSTR(x) #x
  60 #define __STR(x) __XSTR(x)
  61 static const char* __DEVICE_API_DIR = __STR(DEVICE_API_DIR);
  62 static const char* __RUNTIME_DIR = __STR(RUNTIME_DIR);
  63 static const char* __CROSSGEN_PATH = __STR(CROSSGEN_PATH);
  64 static const char* __JIT_PATH = __STR(RUNTIME_DIR)"/libclrjit.so";
  65 #undef __STR
  66 #undef __XSTR
  67
  68 #if 0
  69 static std::string replace(std::string &str, const std::string& from, const std::string& to)
  70 {
  71         size_t startPos = 0;
  72         while ((startPos = str.find(from, startPos)) != std::string::npos) {
  73                 str.replace(startPos, from.length(), to);
  74                 startPos += to.length();
  75         }
  76         return str;
  77 }
  78 #endif
  79
  80 static void smack_(const char* dllPath, const char* label)
  81 {
  82         static const char* chsmack = "/usr/bin/chsmack";
  83         pid_t pid = fork();
  84         if (pid == -1)
  85                 return;
  86
  87         if (pid > 0) {
  88                 int status;
  89                 waitpid(pid, &status, 0);
  90                 if (WIFEXITED(status))
  91                         return;
  92         } else {
  93                 const char* args[] = {
  94                         chsmack,
  95                         "-a", label,
  96                         dllPath,
  97                         nullptr
  98                 };
  99                 execv(chsmack, const_cast<char*const*>(args));
 100
 101                 exit(0);
 102         }
 103 }
 104
 105 static void crossgen(const char* dllPath, const char* appPath)
 106 {
 107         //pid_t parent = getpid();
 108         pid_t pid = fork();
 109         if (pid == -1)
 110                 return;
 111
 112         if (pid > 0) {
 113                 int status;
 114                 waitpid(pid, &status, 0);
 115                 if (WIFEXITED(status))
 116                         return;
 117         } else {
 118                 // search dlls in the application directory first, to use application dlls
 119                 // instead of system dlls when proceeding NI
 120                 std::vector<std::string> tpaDir;
 121                 if (appPath != NULL) {
 122                         std::string path(appPath);
 123                         std::string::size_type prevPos = 0, pos = 0;
 124                         while ((pos = path.find(':', pos)) != std::string::npos) {
 125                                 std::string substring(path.substr(prevPos, pos - prevPos));
 126                                 tpaDir.push_back(substring);
 127                                 prevPos = ++pos;
 128                         }
 129                         std::string substring(path.substr(prevPos, pos - prevPos));
 130                         tpaDir.push_back(substring);
 131                 }
 132                 tpaDir.push_back(__RUNTIME_DIR);
 133                 tpaDir.push_back(__DEVICE_API_DIR);
 134
 135                 // get reference API directory ([DEVICE_API_DIR]/ref)
 136                 int len = strlen(__DEVICE_API_DIR);
 137                 char* refAPIDir = (char*)calloc(len + 5, 1);
 138                 if (!refAPIDir) {
 139                         printf("fail to allocate memory for reference API directory\n");
 140                         return;
 141                 }
 142                 snprintf(refAPIDir, len + 5, "%s%s", __DEVICE_API_DIR, "/ref");
 143                 tpaDir.push_back(refAPIDir);
 144
 145                 std::string tpa;
 146                 assembliesInDirectory(tpaDir, tpa);
 147
 148                 std::vector<const char*> argv = {
 149                         __CROSSGEN_PATH,
 150                         "/Trusted_Platform_Assemblies", tpa.c_str(),
 151                         "/JITPath", __JIT_PATH,
 152                         "/FragileNonVersionable"
 153                 };
 154                 if (appPath != nullptr) {
 155                         argv.push_back("/App_Paths");
 156                         argv.push_back(appPath);
 157                 }
 158                 argv.push_back(dllPath);
 159                 argv.push_back(nullptr);
 160
 161                 printf("+ %s\n", dllPath);
 162
 163                 execv(__CROSSGEN_PATH, const_cast<char* const*>(argv.data()));
 164                 exit(0);
 165         }
 166 }
 167
 168 static int getRootPath(const char *pkgId, std::string& rootPath)
 169 {
 170         int ret = 0;
 171         char *path = 0;
 172
 173         uid_t uid = 0;
 174
 175         if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
 176                 _ERR("Failed to get UID");
 177                 return -1;
 178         }
 179
 180         _INFO("user id is %d", uid);
 181
 182         pkgmgrinfo_pkginfo_h handle;
 183         if (uid == 0) {
 184                 ret = pkgmgrinfo_pkginfo_get_pkginfo(pkgId, &handle);
 185                 if (ret != PMINFO_R_OK)
 186                         return -1;
 187         } else {
 188                 ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(pkgId, uid, &handle);
 189                 if (ret != PMINFO_R_OK)
 190                         return -1;
 191         }
 192
 193         ret = pkgmgrinfo_pkginfo_get_root_path(handle, &path);
 194         if (ret != PMINFO_R_OK) {
 195                 pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
 196                 return -1;
 197         }
 198         rootPath = path;
 199         pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
 200
 201         return 0;
 202 }
 203
 204 static bool niExist(const std::string& path, std::string& ni)
 205 {
 206         // native image of System.Private.CoreLib.dll should have to overwrite
 207         // original file to support new coreclr
 208         if (path.find("System.Private.CoreLib.dll") != std::string::npos) {
 209                 std::string coreLibBackup = path + ".Backup";
 210                 if (!fileNotExist(coreLibBackup)) {
 211                         ni = path;
 212                         return true;
 213                 }
 214                 return false;
 215         }
 216
 217         static const char* possibleExts[] = {
 218                 ".ni.dll", ".NI.dll", ".NI.DLL", ".ni.DLL",
 219                 ".ni.exe", ".NI.exe", ".NI.EXE", ".ni.EXE"
 220         };
 221         std::string fName = path.substr(0, path.size() - 4);
 222
 223         struct stat sb;
 224
 225         for (const char* ext : possibleExts) {
 226                 std::string f = fName + ext;
 227                 if (stat(f.c_str(), &sb) == 0) {
 228                         ni = f;
 229                         return true;
 230                 }
 231         }
 232
 233         return false;
 234 }
 235
 236 static void createCoreLibNI()
 237 {
 238         std::string coreLib = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.dll");
 239         std::string niCoreLib = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.ni.dll");
 240         std::string coreLibBackup = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.dll.Backup");
 241
 242         if (!niExist(coreLib, niCoreLib)) {
 243                 crossgen(coreLib.c_str(), nullptr);
 244                 if (!fileNotExist(niCoreLib)) {
 245                         // change owner and groups for generated ni file.
 246                         struct stat info;
 247                         if (!stat(coreLib.c_str(), &info)) {
 248                                 if (chown(niCoreLib.c_str(), info.st_uid, info.st_gid) == -1)
 249                                         _ERR("Failed to change owner and group name");
 250                         }
 251                         smack_(niCoreLib.c_str(), "_");
 252                         rename(coreLib.c_str(), coreLibBackup.c_str());
 253                         rename(niCoreLib.c_str(), coreLib.c_str());
 254                 }
 255         }
 256 }
 257
 258 void removeNiUnderDirs(const char* rootPaths[], int count)
 259 {
 260         auto convert = [](const char* path, const char* name) {
 261                 std::string ni;
 262                 if (isNativeImage(path)) {
 263                         remove(path);
 264                 }
 265         };
 266
 267         for (int i = 0; i < count; i++)
 268                 scanFilesInDir(rootPaths[i], convert, -1);
 269 }
 270
 271 void removeNiPlatform()
 272 {
 273         std::string coreLib = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.dll");
 274         std::string niCoreLib = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.ni.dll");
 275         std::string coreLibBackup = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.dll.Backup");
 276
 277         if (fileNotExist(coreLibBackup)) {
 278                 return;
 279         }
 280
 281         if (remove(coreLib.c_str())) {
 282                 _ERR("Failed to remove System.Private.CoreLib native image file");
 283         }
 284
 285         rename(coreLibBackup.c_str(), coreLib.c_str());
 286
 287         const char* platformDirs[] = {__RUNTIME_DIR, __DEVICE_API_DIR, "/usr/bin"};
 288
 289         removeNiUnderDirs(platformDirs, 3);
 290 }
 291
 292 void createNiPlatform()
 293 {
 294         createCoreLibNI();
 295
 296         const char* platformDirs[] = {__RUNTIME_DIR, __DEVICE_API_DIR, "/usr/bin"};
 297
 298         createNiUnderDirs(platformDirs, 3, [](const char* ni) {
 299                 smack_(ni, "_");
 300         });
 301 }
 302
 303 void createNiSelect(const char* dllPath)
 304 {
 305         createCoreLibNI();
 306
 307         std::string niPath;
 308         if (!fileNotExist(dllPath)) {
 309                 if (!niExist(dllPath, niPath)) {
 310                         crossgen(dllPath, nullptr);
 311                         if (niExist(dllPath, niPath)) {
 312                                 // change owner and groups for generated ni file.
 313                                 struct stat info;
 314                                 if (!stat(dllPath, &info)) {
 315                                         if (chown(niPath.c_str(), info.st_uid, info.st_gid) == -1)
 316                                                 _ERR("Failed to change owner and group name");
 317                                 }
 318                                 smack_(niPath.c_str(), "_");
 319                         }
 320                 }
 321                 else
 322                         printf("Already [%s] file is exist\n", niPath.c_str());
 323         }
 324 }
 325
 326 void createNiUnderDirs(const char* rootPaths[], int count, const char* ignores[], int igcount, afterCreate cb)
 327 {
 328         std::string appPaths;
 329         for (int i = 0; i < count; i++) {
 330                 appPaths += rootPaths[i];
 331                 appPaths += ':';
 332         }
 333
 334         if (appPaths.back() == ':')
 335                 appPaths.pop_back();
 336
 337         auto convert = [&appPaths, ignores, igcount, &cb](const char* path, const char* name) {
 338                 for (int i = 0; i < igcount; i++) {
 339                         if (strcmp(path, ignores[i]) == 0)
 340                                 return;
 341                 }
 342                 std::string ni;
 343                 if (isManagedAssembly(path) && !isNativeImage(path) && !niExist(path, ni)) {
 344                         crossgen(path, appPaths.c_str());
 345                         if (niExist(path, ni)) {
 346                                 // change owner and groups for generated ni file.
 347                                 struct stat info;
 348                                 if (!stat(path, &info)) {
 349                                         if (chown(ni.c_str(), info.st_uid, info.st_gid) == -1)
 350                                                 _ERR("Failed to change owner and group name");
 351                                 }
 352
 353                                 if (cb != nullptr)
 354                                         cb(ni.c_str());
 355                         }
 356                 }
 357         };
 358
 359         for (int i = 0; i < count; i++)
 360                 scanFilesInDir(rootPaths[i], convert, -1);
 361 }
 362 void createNiUnderDirs(const char* rootPaths[], int count, afterCreate cb)
 363 {
 364         createNiUnderDirs(rootPaths, count, nullptr, 0, cb);
 365 }
 366 void createNiUnderDirs(const char* rootPaths[], int count)
 367 {
 368         createNiUnderDirs(rootPaths, count, nullptr);
 369 }
 370
 371 int removeNiUnderPkgRoot(const char* pkgName)
 372 {
 373         std::string pkgRoot;
 374         if (getRootPath(pkgName, pkgRoot) < 0)
 375                 return 1;
 376
 377         std::string binDir = concatPath(pkgRoot, "bin");
 378         std::string libDir = concatPath(pkgRoot, "lib");
 379         _INFO("bindir : %s", binDir.c_str());
 380         _INFO("libdir : %s", libDir.c_str());
 381
 382         const char* paths[] = {
 383                 binDir.c_str(),
 384                 libDir.c_str()
 385         };
 386
 387         removeNiUnderDirs(paths, 2);
 388
 389         return 0;
 390 }
 391
 392
 393 int createNiUnderPkgRoot(const char* pkgName)
 394 {
 395         std::string pkgRoot;
 396         if (getRootPath(pkgName, pkgRoot) < 0)
 397                 return 1;
 398
 399         // get interval value
 400         const char* intervalFile = "/usr/share/dotnet.tizen/lib/crossgen_interval.txt";
 401         int interval = 0;
 402         std::ifstream inFile(intervalFile);
 403         if (inFile) {
 404                 _INFO("crossgen_interval.txt is found");
 405                 inFile >> interval;
 406         } else {
 407                 _INFO("fail to read crossgen_interval.txt file");
 408         }
 409
 410         std::string binDir = concatPath(pkgRoot, "bin");
 411         std::string libDir = concatPath(pkgRoot, "lib");
 412         _INFO("bindir : %s", binDir.c_str());
 413         _INFO("libdir : %s", libDir.c_str());
 414
 415         const char* paths[] = {
 416                 binDir.c_str(),
 417                 libDir.c_str()
 418         };
 419
 420         // change smack label for generated ni file.
 421         std::string label = "User::Pkg::" + std::string(pkgName) + "::RO";
 422         createNiUnderDirs(paths, 2, [label, interval](const char* ni) {
 423                         smack_(ni, label.c_str());
 424                         if (interval != 0) {
 425                                 _INFO("sleep %d usec", interval);
 426                                 usleep(interval);
 427                         }
 428         });
 429
 430         return 0;
 431 }