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 #if 0
  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 #endif
  77
  78 static void smack_(const char* dllPath, const char* label)
  79 {
  80         static const char* chsmack = "/usr/bin/chsmack";
  81         pid_t pid = fork();
  82         if (pid == -1)
  83                 return;
  84
  85         if (pid > 0) {
  86                 int status;
  87                 waitpid(pid, &status, 0);
  88                 if (WIFEXITED(status))
  89                         return;
  90         } else {
  91                 const char* args[] = {
  92                         chsmack,
  93                         "-a", label,
  94                         dllPath,
  95                         nullptr
  96                 };
  97                 execv(chsmack, const_cast<char*const*>(args));
  98
  99                 exit(0);
 100         }
 101 }
 102
 103 static void crossgen(const char* dllPath, const char* appPath)
 104 {
 105         //pid_t parent = getpid();
 106         pid_t pid = fork();
 107         if (pid == -1)
 108                 return;
 109
 110         if (pid > 0) {
 111                 int status;
 112                 waitpid(pid, &status, 0);
 113                 if (WIFEXITED(status))
 114                         return;
 115         } else {
 116                 // search dlls in the application directory first, to use application dlls
 117                 // instead of system dlls when proceeding NI
 118                 std::vector<std::string> tpaDir;
 119                 if (appPath != NULL) {
 120                         std::string path(appPath);
 121                         std::string::size_type prevPos = 0, pos = 0;
 122                         while ((pos = path.find(':', pos)) != std::string::npos) {
 123                                 std::string substring(path.substr(prevPos, pos - prevPos));
 124                                 tpaDir.push_back(substring);
 125                                 prevPos = ++pos;
 126                         }
 127                         std::string substring(path.substr(prevPos, pos - prevPos));
 128                         tpaDir.push_back(substring);
 129                 }
 130                 tpaDir.push_back(__RUNTIME_DIR);
 131                 tpaDir.push_back(__DEVICE_API_DIR);
 132
 133                 // get reference API directory ([DEVICE_API_DIR]/ref)
 134                 int len = strlen(__DEVICE_API_DIR);
 135                 char* refAPIDir = (char*)calloc(len + 5, 1);
 136                 if (!refAPIDir) {
 137                         printf("fail to allocate memory for reference API directory\n");
 138                         return;
 139                 }
 140                 snprintf(refAPIDir, len + 5, "%s%s", __DEVICE_API_DIR, "/ref");
 141                 tpaDir.push_back(refAPIDir);
 142
 143                 std::string tpa;
 144                 assembliesInDirectory(tpaDir, tpa);
 145
 146                 std::vector<const char*> argv = {
 147                         __CROSSGEN_PATH,
 148                         "/Trusted_Platform_Assemblies", tpa.c_str(),
 149                         "/JITPath", __JIT_PATH,
 150                         "/FragileNonVersionable"
 151                 };
 152                 if (appPath != nullptr) {
 153                         argv.push_back("/App_Paths");
 154                         argv.push_back(appPath);
 155                 }
 156                 argv.push_back(dllPath);
 157                 argv.push_back(nullptr);
 158
 159                 printf("+ %s\n", dllPath);
 160
 161                 execv(__CROSSGEN_PATH, const_cast<char* const*>(argv.data()));
 162                 exit(0);
 163         }
 164 }
 165
 166 static int getRootPath(const char *pkgId, std::string& rootPath)
 167 {
 168         int ret = 0;
 169         char *path = 0;
 170
 171         uid_t uid = 0;
 172
 173         if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
 174                 _ERR("Failed to get UID");
 175                 return -1;
 176         }
 177
 178         _INFO("user id is %d", uid);
 179
 180         pkgmgrinfo_pkginfo_h handle;
 181         if (uid == 0) {
 182                 ret = pkgmgrinfo_pkginfo_get_pkginfo(pkgId, &handle);
 183                 if (ret != PMINFO_R_OK)
 184                         return -1;
 185         } else {
 186                 ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(pkgId, uid, &handle);
 187                 if (ret != PMINFO_R_OK)
 188                         return -1;
 189         }
 190
 191         ret = pkgmgrinfo_pkginfo_get_root_path(handle, &path);
 192         if (ret != PMINFO_R_OK) {
 193                 pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
 194                 return -1;
 195         }
 196         rootPath = path;
 197         pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
 198
 199         return 0;
 200 }
 201
 202 static bool niExist(const std::string& path, std::string& ni)
 203 {
 204         // native image of System.Private.CoreLib.dll should have to overwrite
 205         // original file to support new coreclr
 206         if (path.find("System.Private.CoreLib.dll") != std::string::npos) {
 207                 std::string coreLibBackup = path + ".Backup";
 208                 if (!fileNotExist(coreLibBackup)) {
 209                         ni = path;
 210                         return true;
 211                 }
 212                 return false;
 213         }
 214
 215         static const char* possibleExts[] = {
 216                 ".ni.dll", ".NI.dll", ".NI.DLL", ".ni.DLL",
 217                 ".ni.exe", ".NI.exe", ".NI.EXE", ".ni.EXE"
 218         };
 219         std::string fName = path.substr(0, path.size() - 4);
 220
 221         struct stat sb;
 222
 223         for (const char* ext : possibleExts) {
 224                 std::string f = fName + ext;
 225                 if (stat(f.c_str(), &sb) == 0) {
 226                         ni = f;
 227                         return true;
 228                 }
 229         }
 230
 231         return false;
 232 }
 233
 234 static void createCoreLibNI()
 235 {
 236         std::string coreLib = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.dll");
 237         std::string niCoreLib = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.ni.dll");
 238         std::string coreLibBackup = concatPath(__RUNTIME_DIR, "System.Private.CoreLib.dll.Backup");
 239
 240         if (!niExist(coreLib, niCoreLib)) {
 241                 crossgen(coreLib.c_str(), nullptr);
 242                 if (!fileNotExist(niCoreLib)) {
 243                         // change owner and groups for generated ni file.
 244                         struct stat info;
 245                         if (!stat(coreLib.c_str(), &info)) {
 246                                 if (chown(niCoreLib.c_str(), info.st_uid, info.st_gid) == -1)
 247                                         _ERR("Failed to change owner and group name");
 248                         }
 249                         smack_(niCoreLib.c_str(), "_");
 250                         rename(coreLib.c_str(), coreLibBackup.c_str());
 251                         rename(niCoreLib.c_str(), coreLib.c_str());
 252                 }
 253         }
 254 }
 255
 256 void createNiPlatform()
 257 {
 258         createCoreLibNI();
 259
 260         const char* platformDirs[] = {__RUNTIME_DIR, __DEVICE_API_DIR, "/usr/bin"};
 261
 262         createNiUnderDirs(platformDirs, 3, [](const char* ni) {
 263                 smack_(ni, "_");
 264         });
 265 }
 266
 267 void createNiSelect(const char* dllPath)
 268 {
 269         createCoreLibNI();
 270
 271         std::string niPath;
 272         if (!fileNotExist(dllPath)) {
 273                 if (!niExist(dllPath, niPath)) {
 274                         crossgen(dllPath, nullptr);
 275                         if (niExist(dllPath, niPath)) {
 276                                 // change owner and groups for generated ni file.
 277                                 struct stat info;
 278                                 if (!stat(dllPath, &info)) {
 279                                         if (chown(niPath.c_str(), info.st_uid, info.st_gid) == -1)
 280                                                 _ERR("Failed to change owner and group name");
 281                                 }
 282                                 smack_(niPath.c_str(), "_");
 283                         }
 284                 }
 285                 else
 286                         printf("Already [%s] file is exist\n", niPath.c_str());
 287         }
 288 }
 289
 290 void createNiUnderDirs(const char* rootPaths[], int count, const char* ignores[], int igcount, afterCreate cb)
 291 {
 292         std::string appPaths;
 293         for (int i = 0; i < count; i++) {
 294                 appPaths += rootPaths[i];
 295                 appPaths += ':';
 296         }
 297
 298         if (appPaths.back() == ':')
 299                 appPaths.pop_back();
 300
 301         auto convert = [&appPaths, ignores, igcount, &cb](const char* path, const char* name) {
 302                 for (int i = 0; i < igcount; i++) {
 303                         if (strcmp(path, ignores[i]) == 0)
 304                                 return;
 305                 }
 306                 std::string ni;
 307                 if (isManagedAssembly(path) && !isNativeImage(path) && !niExist(path, ni)) {
 308                         crossgen(path, appPaths.c_str());
 309                         if (niExist(path, ni)) {
 310                                 // change owner and groups for generated ni file.
 311                                 struct stat info;
 312                                 if (!stat(path, &info)) {
 313                                         if (chown(ni.c_str(), info.st_uid, info.st_gid) == -1)
 314                                                 _ERR("Failed to change owner and group name");
 315                                 }
 316
 317                                 if (cb != nullptr)
 318                                         cb(ni.c_str());
 319                         }
 320                 }
 321         };
 322
 323         for (int i = 0; i < count; i++)
 324                 scanFilesInDir(rootPaths[i], convert, -1);
 325 }
 326 void createNiUnderDirs(const char* rootPaths[], int count, afterCreate cb)
 327 {
 328         createNiUnderDirs(rootPaths, count, nullptr, 0, cb);
 329 }
 330 void createNiUnderDirs(const char* rootPaths[], int count)
 331 {
 332         createNiUnderDirs(rootPaths, count, nullptr);
 333 }
 334
 335 int createNiUnderPkgRoot(const char* pkgName)
 336 {
 337         std::string pkgRoot;
 338         if (getRootPath(pkgName, pkgRoot) < 0)
 339                 return 1;
 340
 341         std::string binDir = concatPath(pkgRoot, "bin");
 342         std::string libDir = concatPath(pkgRoot, "lib");
 343         _INFO("bindir : %s", binDir.c_str());
 344         _INFO("libdir : %s", libDir.c_str());
 345
 346         const char* paths[] = {
 347                 binDir.c_str(),
 348                 libDir.c_str()
 349         };
 350
 351         // change smack label for generated ni file.
 352         std::string label = "User::Pkg::" + std::string(pkgName) + "::RO";
 353         createNiUnderDirs(paths, 2, [label](const char* ni) {
 354                         smack_(ni, label.c_str());
 355         });
 356
 357         return 0;
 358 }