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