X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=NativeLauncher%2Futil%2Futils.cc;h=9f34fb4e922d0e663952cc3f190adbffbe8a5f1e;hb=9ab4547491e1bc0ba0564581a9390ed63b09348e;hp=2cc1026eda65050f9f86bf8859c1c2ab1faf0b07;hpb=8cd6fb2c60ac74259fdce9615836949e9d0ef7fc;p=platform%2Fcore%2Fdotnet%2Flauncher.git

diff --git a/NativeLauncher/util/utils.cc b/NativeLauncher/util/utils.cc
index 2cc1026..9f34fb4 100644
--- a/NativeLauncher/util/utils.cc
+++ b/NativeLauncher/util/utils.cc
@@ -1,9 +1,33 @@
+/*
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include <dirent.h>
+#include <fcntl.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <limits.h>
 #include <strings.h>
+#include <pkgmgr_installer_info.h>
+#include <sys/smack.h>
+#include <sys/prctl.h>
+
+#include <openssl/evp.h>
+#include <openssl/crypto.h>
+
+#include <mntent.h>
 
 #include <cstdlib>
 #include <cstring>
@@ -11,319 +35,854 @@
 #include <unordered_map>
 #include <vector>
 #include <iterator>
+#include <fstream>
 #include <sstream>
+#include <map>
+#include <iomanip>
 
+#include "log.h"
 #include "utils.h"
+#include "path_manager.h"
+
+static bool iCompare(const std::string& a, int aOffset, const std::string& b, int bOffset, int length)
+{
+	return static_cast<int>(a.length()) - length >= aOffset &&
+		static_cast<int>(b.length()) - length >= bOffset &&
+		std::equal(b.begin() + bOffset, b.begin() + bOffset + length, a.begin() + aOffset,
+			[](unsigned char a, unsigned char b)
+			{ return std::tolower(a) == std::tolower(b); });
+}
+
+bool isManagedAssembly(const std::string& fileName)
+{
+	return iCompare(fileName, fileName.size()-4, ".dll", 0, 4) && !isNativeImage(fileName);
+}
+
+bool isNativeImage(const std::string& fileName)
+{
+	return iCompare(fileName, fileName.size()-7, ".ni", 0, 3);
+}
+
+std::string concatPath(const std::string& path1, const std::string& path2)
+{
+	std::string path(path1);
+	if (path.back() == PATH_SEPARATOR) {
+		path.append(path2);
+	} else {
+		path += PATH_SEPARATOR;
+		path.append(path2);
+	}
+
+	return path;
+}
+
+void splitPath(const std::string& path, std::vector<std::string>& out)
+{
+	std::istringstream ss(path);
+	std::string token;
+
+	while (std::getline(ss, token, ':')) {
+		out.push_back(token);
+	}
+}
+
+std::string getAbsolutePath(const std::string& path)
+{
+	std::string absPath;
+	char *realPath = realpath(path.c_str(), NULL);
+	if (realPath) {
+		absPath.assign(realPath);
+		free(realPath);
+	}
+
+	return absPath;
+}
+
+std::string getRootPath(const std::string& pkgId)
+{
+	int ret = 0;
+	char *path = 0;
+	std::string rootPath;
+
+	pkgmgrinfo_pkginfo_h pkg_handle;
+	ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
+	if (ret != 0) {
+		return rootPath;
+	}
+
+	ret = pkgmgrinfo_pkginfo_get_root_path(pkg_handle, &path);
+	if (ret != PMINFO_R_OK) {
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return rootPath;
+	}
+	rootPath = path;
+	pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+
+	return rootPath;
+}
+
+std::string getExecName(const std::string& pkgId)
+{
+	char *exec = NULL;
+	char *appId = 0;
+	std::string execName;
+
+	pkgmgrinfo_pkginfo_h pkg_handle;
+	int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
+	if (ret != 0) {
+		return execName;
+	}
+
+	ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
+	if (ret != PMINFO_R_OK) {
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return execName;
+	}
+
+	pkgmgrinfo_appinfo_h app_handle;
+	ret = pkgmgrGetAppInfo(appId, &app_handle);
+	if (ret != 0) {
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return execName;
+	}
+
+	ret = pkgmgrinfo_appinfo_get_exec(app_handle, &exec);
+	if (ret != PMINFO_R_OK) {
+		pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return execName;
+	}
+	execName = std::string(exec).substr(std::string(exec).rfind('/') + 1);
+
+	pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
+	pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+
+	return execName;
+}
+
+std::string getAppType(const std::string& pkgId)
+{
+	char *appId = 0;
+	char *type = 0;
+	std::string appType;
+
+	pkgmgrinfo_pkginfo_h pkg_handle;
+	int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
+	if (ret != 0) {
+		return appType;
+	}
+
+	ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
+	if (ret != PMINFO_R_OK) {
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return appType;
+	}
+
+	pkgmgrinfo_appinfo_h app_handle;
+	ret = pkgmgrGetAppInfo(appId, &app_handle);
+	if (ret != 0) {
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return appType;
+	}
+
+	ret = pkgmgrinfo_appinfo_get_apptype(app_handle, &type);
+	if (ret != PMINFO_R_OK) {
+		pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return appType;
+	}
+	appType = type;
+
+	pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
+	pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+
+	return appType;
+}
 
-bool ICompare(const std::string& a, const std::string& b)
+std::string getMetadataValue(const std::string& pkgId, const std::string& key)
 {
-  return a.length() == b.length() &&
-    std::equal(b.begin(), b.end(), a.begin(),
-        [](unsigned char a, unsigned char b)
-        { return std::tolower(a) == std::tolower(b); });
+	char *value = NULL;
+	char *appId = 0;
+	std::string metadataValue;
+
+	pkgmgrinfo_pkginfo_h pkg_handle;
+	int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
+	if (ret != 0) {
+		return metadataValue;
+	}
+
+	ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
+	if (ret != PMINFO_R_OK) {
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return metadataValue;
+	}
+
+	pkgmgrinfo_appinfo_h app_handle;
+	ret = pkgmgrGetAppInfo(appId, &app_handle);
+	if (ret != 0) {
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return metadataValue;
+	}
+
+	ret = pkgmgrinfo_appinfo_get_metadata_value(app_handle, key.c_str(), &value);
+	if (ret != PMINFO_R_OK) {
+		pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
+		pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+		return metadataValue;
+	}
+	metadataValue = std::string(value);
+
+	pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
+	pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
+
+	return metadataValue;
 }
 
-bool ICompare(const std::string& a, int a_offset, const std::string& b, int b_offset, int length)
+bool isReadOnlyArea(const std::string& path)
 {
-  return static_cast<int>(a.length()) - length >= a_offset &&
-    static_cast<int>(b.length()) - length >= b_offset &&
-    std::equal(b.begin() + b_offset, b.begin() + b_offset + length, a.begin() + a_offset,
-        [](unsigned char a, unsigned char b)
-        { return std::tolower(a) == std::tolower(b); });
+	FILE *f = NULL;
+	struct mntent *m = NULL;
+
+	// "/opt/usr" is mounted to "RW" only
+	if (path.find("/opt/usr") != std::string::npos) {
+		return false;
+	}
+
+	// check whether "/" is mounted to RO or not
+	f = setmntent("/proc/mounts", "r");
+	if (!f) {
+		// return true for fail case to generate NI files under RW area.
+		return true;
+	}
+
+	while((m = getmntent(f))) {
+		if (m->mnt_dir != NULL && strcmp(m->mnt_dir, "/") == 0 &&
+			m->mnt_opts != NULL && strstr(m->mnt_opts, "ro,") != NULL) {
+			endmntent(f);
+			return true;
+		}
+	}
+	endmntent(f);
+	return false;
+
+}
+
+std::string getBaseName(const std::string& path)
+{
+	auto pos = path.find_last_of(PATH_SEPARATOR);
+	if (pos != std::string::npos)
+		return path.substr(0, pos);
+	else
+		return std::string(".");
+	return path;
+}
+
+std::string replaceAll(const std::string& str, const std::string& pattern, const std::string& replace)
+{
+	std::string result = str;
+	std::string::size_type pos = 0;
+	std::string::size_type offset = 0;
+
+	while ((pos = result.find(pattern, offset)) != std::string::npos) {
+		result.replace(result.begin() + pos, result.begin() + pos + pattern.size(), replace);
+		offset = pos + replace.size();
+	}
+
+	return result;
 }
 
-bool IsManagedAssembly(const std::string& filename)
+std::string changeExtension(const std::string& path, const std::string& from, const std::string& to)
 {
-  return ICompare(filename, filename.size()-4, ".dll", 0, 4) ||
-    ICompare(filename, filename.size()-4, ".exe", 0, 4);
+	return path.substr(0, path.rfind(from)) + to;
 }
 
-bool IsNativeImage(const std::string& filename)
+bool isFile(const std::string& path)
 {
-  return ICompare(filename, filename.size()-7, ".ni", 0, 3);
+	struct stat sb;
+	return lstat(path.c_str(), &sb) == 0;
 }
 
-std::string ReadSelfPath()
+bool isSymlinkFile(const std::string& path)
 {
-  char buff[PATH_MAX];
-  ssize_t len = ::readlink("/proc/self/exe", buff, sizeof(buff)-1);
-  if (len != -1) {
-    buff[len] = '\0';
-    return std::string(buff);
-  }
+	struct stat sb;
+	if (lstat(path.c_str(), &sb) != 0) {
+		return false;
+	}
+	return (sb.st_mode & S_IFMT) == S_IFLNK;
+}
 
-  return "";
+bool isDirectory(const std::string& path)
+{
+	struct stat sb;
+	if (stat(path.c_str(), &sb) != 0) {
+		return false;
+	}
+	return (sb.st_mode & S_IFMT) == S_IFDIR;
 }
 
-std::string ConcatPath(const std::string& path1, const std::string& path2)
+std::string getAssemblyNameFromPath(const std::string& path)
 {
-  std::string path(path1);
-  if (path.back() == PATH_SEPARATOR)
-  {
-    path.append(path2);
-  }
-  else
-  {
-    path += PATH_SEPARATOR;
-    path.append(path2);
-  }
+	std::string ret(getFileName(path));
+
+	if (ret.find_last_of(".") == std::string::npos)
+		return ret;
+	ret.erase(ret.find_last_of("."));
+
+	if (ret.size() > 3 && std::equal(ret.begin() + ret.size() - 3, ret.end(), ".ni"))
+		ret.erase(ret.size() - 3);
 
-  return path;
+	return ret;
 }
 
-void AppendPath(std::string& path1, const std::string& path2)
+void addAssembliesFromDirectories(const std::vector<std::string>& directories, std::string& list)
 {
-  if (path1.back() == PATH_SEPARATOR)
-  {
-    path1.append(path2);
-  }
-  else
-  {
-    path1 += PATH_SEPARATOR;
-    path1.append(path2);
-  }
+	std::vector<std::string> assems;
+	std::unordered_map<std::string, std::string> assemPaths;
+
+	auto reader = [&assems, &assemPaths](const std::string& path, const std::string& filename) {
+		if (isManagedAssembly(filename) || isNativeImage(filename)) {
+			std::string assem = getAssemblyNameFromPath(filename);
+
+			if (assemPaths.count(assem) == 0) {
+				assems.push_back(assem);
+				assemPaths[assem] = path;
+			} else if (isManagedAssembly(assemPaths[assem]) && isNativeImage(filename)) {
+				// Update only if a native image is found in the same directory.
+				// For example, if we have two directories = { X, Y } where X contains A.dll and
+				// Y contains both A.dll and A.ni.dll, always A.dll in X will be used.
+				if (getBaseName(assemPaths[assem]).compare(getBaseName(path)) == 0)
+					assemPaths[assem] = path;
+			}
+		}
+	};
+	for (auto& directory : directories)
+		scanFilesInDirectory(directory, reader, 0);
+
+	if (!list.empty() && list.back() != ':')
+		list.push_back(':');
+
+	for (auto& assem : assems)
+		list += assemPaths[assem] + ":";
+
+	if (list.back() == ':')
+		list.pop_back();
 }
 
-std::string AbsolutePath(const std::string& path)
+void scanFilesInDirectory(const std::string& directory, FileReader reader, unsigned int depth)
 {
-  std::string absPath;
+	DIR *dir;
+	struct dirent* entry;
+	bool isDir;
+
+	dir = opendir(directory.c_str());
+
+	if (dir == nullptr)
+		return;
+
+	std::vector<std::string> innerDirectories;
+
+	while ((entry = readdir(dir)) != nullptr) {
+		isDir = false;
+		std::string path = concatPath(directory, entry->d_name);
+		switch (entry->d_type) {
+			case DT_REG: break;
+			case DT_DIR:
+				isDir = true;
+				break;
+			// symlink is added to the list even if there is no original file.
+			// It used to remove broken symlinks related to TAC
+			case DT_LNK:
+				break;
+			case DT_UNKNOWN:
+				continue;
+			default:
+				continue;
+		}
+		if (!isDir)
+			reader(path, entry->d_name);
+		else if (depth > 0 && strcmp(entry->d_name, ".") && strcmp(entry->d_name, ".."))
+			innerDirectories.push_back(path);
+	}
+
+	if (depth > 0)
+		for (auto& d : innerDirectories)
+			scanFilesInDirectory(d, reader, depth - 1);
+
+	closedir(dir);
+}
 
-  char realPath[PATH_MAX];
-  if (realpath(path.c_str(), realPath) != nullptr && realPath[0] != '\0')
-  {
-    absPath.assign(realPath);
-  }
+void copySmackAndOwnership(const std::string& fromPath, const std::string& toPath, bool isSymlink)
+{
+	char* label = NULL;
+	struct stat info;
+
+	if (isSymlink) {
+		// change smack label for symbolic link.
+		if (smack_lgetlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
+			if (smack_lsetlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
+				_SERR("Fail to set smack label");
+			}
+			free(label);
+		}
+
+		// change owner and groupsfor symbolic link.
+		// change mode is skipped for symlink because permission of symlink file is meaningless.
+		if (!lstat(fromPath.c_str(), &info)) {
+			if (lchown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
+				_SERR("Failed to change owner and group name");
+		}
+	} else {
+		// change smack label
+		if (smack_getlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
+			if (smack_setlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
+				_SERR("Fail to set smack label");
+			}
+			free(label);
+		}
+
+		// change owner, groups and mode for generated ni file.
+		if (!stat(fromPath.c_str(), &info)) {
+			if (chown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
+				_SERR("Failed to change owner and group name");
+			if (chmod(toPath.c_str(), info.st_mode) == -1)
+				_SERR("Failed to change mode");
+		}
+	}
+}
 
-  return absPath;
+static bool setOwnership(const bf::path& path, uid_t uid, gid_t gid)
+{
+	int fd = open(path.c_str(), O_RDONLY);
+	if (fd < 0) {
+		_ERR("Can't open directory: %s", path.c_str());
+		return false;
+	}
+	int ret = fchown(fd, uid, gid);
+	close(fd);
+	if (ret != 0) {
+		_ERR("Failed to change owner of: %s", path.c_str());
+		return false;
+	}
+	return true;
+}
+
+static bool setDirPermissions(const bf::path& path, bf::perms permissions)
+{
+	bs::error_code error;
+	bf::permissions(path, permissions, error);
+	if (error) {
+		_ERR("Failed to set permissions for directory: %s, %s", path.c_str(), error.message().c_str());
+		return false;
+	}
+	return true;
 }
 
-std::string Basename(const std::string& path)
+static bool setDirOwnershipAndPermissions(const bf::path& path, bf::perms permissions, uid_t uid, gid_t gid)
 {
-  auto pos = path.find_last_of(PATH_SEPARATOR);
-  if (pos != std::string::npos)
-  {
-    return path.substr(0, pos);
-  }
-  else
-  {
-    return std::string(".");
-  }
-  return path;
+	if (!setOwnership(path, uid, gid)) {
+		_ERR("Failed to change owner: %s, (uid: %d, gid: %d)", path.c_str(), uid, gid);
+		return false;
+	}
+	if (!setDirPermissions(path, permissions)) {
+		_ERR("Failed to change permission: %s, (%d)", path.c_str(), permissions);
+		return false;
+	}
+	return true;
 }
 
-bool EndWithIgnoreCase(const std::string& str1, const std::string& str2, std::string& filename)
+static bool copyOwnershipAndPermissions(const bf::path& path, const bf::path& path2)
 {
-  std::string::size_type len1 = str1.length();
-  std::string::size_type len2 = str2.length();
-  if (len2 > len1) return false;
+	if (!exist(path)) {
+		_ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
+		return false;
+	}
+	bs::error_code error;
+	bf::perms permissions = bf::status(path, error).permissions();
+	if (error) {
+		_ERR("Failed to copy ownership and permissions : %s", error.message().c_str());
+		return false;
+	}
+	struct stat stats;
+	if (stat(path.c_str(), &stats) != 0) {
+		return false;
+	}
+	if (!setDirOwnershipAndPermissions(path2, permissions, stats.st_uid, stats.st_gid)) {
+		_ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
+		return false;
+	}
+	return true;
+}
 
-  int i = 0;
-  bool result = std::all_of(str1.cend() - len2, str1.end(),
-        [&i, &str2] (char x) {
-          return std::tolower(x) == std::tolower(str2[i++]);
-        });
-  if (result)
-  {
-    filename = str1.substr(0, len1 - len2);
-  }
-  return result;
+bool exist(const bf::path& path)
+{
+	bs::error_code error;
+	int ret = bf::exists(path, error);
+	if (error) {
+		if ((error.value() != bs::errc::success) && (error.value() != bs::errc::no_such_file_or_directory)) {
+			_ERR("Failed to check %s exists : %s", path.c_str(), error.message().c_str());
+		}
+	}
+	return ret;
 }
 
-bool FileNotExist(const std::string& path)
+bool createDir(const bf::path& path)
 {
-  struct stat sb;
-  return stat(path.c_str(), &sb) != 0;
+	if (exist(path)) {
+		return true;
+	}
+	bs::error_code error;
+	bf::create_directories(path, error);
+	if (error) {
+		_ERR("Failed to create directory: %s", error.message().c_str());
+		return false;
+	}
+	return true;
+}
+
+bool copyDir(const bf::path& path1, const bf::path& path2, FSFlag flags)
+{
+	try {
+		// Check whether the function call is valid
+		if (!exist(path1) || !bf::is_directory(path1)) {
+			_ERR("Source directory %s does not exist or is not a directory", path1.c_str());
+			return false;
+		}
+		if (!exist(path2)) {
+			// Create the destination directory
+			if (!createDir(path2)) {
+				_ERR("Unable to create destination directory %s", path2.c_str());
+				return false;
+			}
+			if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
+				copyOwnershipAndPermissions(path1, path2);
+			}
+		} else {
+			if (!(flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE))) {
+				_ERR("Destination directory %s already exists", path2.c_str());
+				return false;
+			}
+			if (flags & (FS_MERGE_OVERWRITE | FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS)) {
+				copyOwnershipAndPermissions(path1, path2);
+			}
+		}
+	} catch (const bf::filesystem_error& error) {
+		_ERR("Failed to copy directory: %s", error.what());
+		return false;
+	}
+
+	// Iterate through the source directory
+	try {
+		for (bf::directory_iterator file(path1); file != bf::directory_iterator(); ++file) {
+			bf::path current(file->path());
+			bf::path target = path2 / current.filename();
+			if (bf::is_symlink(bf::symlink_status(current))) {
+				if ((flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE)) && exist(target)) {
+					continue;
+				}
+				bs::error_code error;
+				bf::copy_symlink(current, target, error);
+				if (error) {
+					_ERR("Failed to copy symlink: %s, %s", current.c_str(), error.message().c_str());
+					return false;
+				}
+			} else if (bf::is_directory(current)) {
+				// Found directory: Recursion
+				if (!copyDir(current, target, flags)) {
+					return false;
+				}
+			} else {
+				if ((flags & FS_MERGE_SKIP) && exist(target)) {
+					continue;
+				}
+				bf::path destination = target;
+				if (flags & FS_COMMIT_COPY_FILE) {
+					destination = bf::unique_path(target.parent_path() / "%%%%-%%%%-%%%%-%%%%");
+				}
+				if (flags & FS_MERGE_OVERWRITE) {
+					bf::copy_file(current, destination, bf::copy_option::overwrite_if_exists);
+				} else {
+					bf::copy_file(current, destination);
+				}
+				if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
+					copyOwnershipAndPermissions(current, destination);
+				}
+				if (flags & FS_COMMIT_COPY_FILE) {
+					if (flags & FS_MERGE_OVERWRITE) {
+						bf::remove(target);
+					}
+					bf::rename(destination, target);
+				}
+			}
+		}
+	} catch (const bf::filesystem_error& error) {
+		_ERR("Failed to copy directory: %s", error.what());
+		return false;
+	}
+
+	return true;
+}
+
+bool copyFile(const bf::path& path1, const bf::path& path2)
+{
+	bs::error_code error;
+	if (!exist(path1)) {
+		return false;
+	}
+	bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
+	if (error) {
+		_ERR("copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
+		return false;
+	}
+	return true;
+}
+
+bool moveFile(const bf::path& path1, const bf::path& path2)
+{
+	if (!exist(path1) || exist(path2)) {
+		return false;
+	}
+	bs::error_code error;
+	bf::rename(path1, path2, error);
+	if (error) {
+		_ERR("Cannot move file: %s. Will copy/remove... with error [%s]", path1.c_str(), error.message().c_str());
+		bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
+		if (error) {
+			_ERR("Cannot copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
+			return false;
+		}
+		bf::remove_all(path1, error);
+		if (error) {
+			_ERR("Cannot remove old file when coping: %s with error [%s]", path1.c_str(), error.message().c_str());
+			return false;
+		}
+	}
+	return true;
+}
+
+bool removeFile(const bf::path& path)
+{
+	if (!exist(path)) {
+		return true;
+	}
+	bs::error_code error;
+	bf::remove(path, error);
+	if (error) {
+		_ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
+		return false;
+	}
+	return true;
+}
+
+bool removeAll(const bf::path& path)
+{
+	if (!exist(path)) {
+		return true;
+	}
+	bs::error_code error;
+	bf::remove_all(path, error);
+	if (error) {
+		_ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
+		return false;
+	}
+	return true;
+}
+
+void setCmdName(const std::string& name)
+{
+	#define PRC_NAME_LENGTH		16
+
+	char processName[PRC_NAME_LENGTH] = {0, };
+
+	if (name.empty())
+		return;
+
+	memset(processName, '\0', PRC_NAME_LENGTH);
+	snprintf(processName, PRC_NAME_LENGTH, "%s", name.c_str());
+	prctl(PR_SET_NAME, processName);
+}
+
+std::string getFileName(const std::string& path)
+{
+	std::string ret(path);
+	size_t index = ret.find_last_of(PATH_SEPARATOR);
+	return index == std::string::npos ? ret : ret.substr(index + 1);
+}
+
+std::string SHA256(const std::string& path)
+{
+	int bytesRead = 0;
+	const int bufSize = 32768;
+
+	unsigned int digest_len = 0;
+	unsigned char* digest = NULL;
+
+	std::stringstream ss;
+	EVP_MD_CTX *mdctx = NULL;
+	std::string output = "";
+
+	FILE *file = fopen(path.c_str(), "rb");
+	if (!file) {
+		return output;
+	}
+
+	char *buffer = (char*)malloc(bufSize);
+	if (!buffer) {
+		goto cleanup4;
+	}
+
+	mdctx = EVP_MD_CTX_new();
+	if (mdctx == NULL) {
+		_ERR("Message Digest Context creation NULL");
+		goto cleanup3;
+	}
+
+	digest = (unsigned char*)OPENSSL_malloc(EVP_MD_size(EVP_sha256()));
+	if (!digest) {
+		_ERR("Memory Allocation for SHA256 failed");
+		goto cleanup2;
+	}
+
+	if (!EVP_DigestInit_ex(mdctx, EVP_sha256(), NULL)) {
+		_ERR("Message Digest init failed");
+		goto cleanup1;
+	}
+
+	while ((bytesRead = fread(buffer, 1, bufSize, file))) {
+		if (!EVP_DigestUpdate(mdctx, buffer, bytesRead)) {
+			_ERR("Message Digest update failed");
+			goto cleanup1;
+		}
+	}
+
+	if (!EVP_DigestFinal_ex(mdctx, digest, &digest_len)) {
+		_ERR("Message Digest Finalization falied");
+		goto cleanup1;
+	}
+
+	for (unsigned int i = 0; i < digest_len; i++) {
+		ss << std::hex << std::setw(2) << std::setfill('0') << (int)digest[i];
+	}
+	output = ss.str();
+
+cleanup1:
+	EVP_MD_CTX_free(mdctx);
+cleanup2:
+	OPENSSL_free(digest);
+cleanup3:
+	free(buffer);
+cleanup4:
+	fclose(file);
+
+	return output;
+}
+
+int pkgmgrGetPkgInfo(const std::string& pkgId, pkgmgrinfo_pkginfo_h* handle)
+{
+	uid_t uid = 0;
+	int ret = 0;
+
+	if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
+		_ERR("Failed to get UID");
+		return -1;
+	}
+
+	ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(pkgId.c_str(), uid, handle);
+	if (ret != PMINFO_R_OK) {
+		_ERR("Failed to get pkginfo (%d)", ret);
+		return -1;
+	}
+
+	return 0;
+}
+
+int pkgmgrGetAppInfo(const std::string& appId, pkgmgrinfo_appinfo_h* handle)
+{
+	uid_t uid = 0;
+	int ret = 0;
+
+	if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
+		_ERR("Failed to get UID");
+		return -1;
+	}
+
+	ret = pkgmgrinfo_appinfo_get_usr_appinfo(appId.c_str(), uid, handle);
+	if (ret != PMINFO_R_OK) {
+		_ERR("Failed to get appinfo (%d)", ret);
+		return -1;
+	}
+
+	return 0;
+}
+
+int pkgmgrMDFilterForeach(pkgmgrinfo_appinfo_metadata_filter_h handle,
+							pkgmgrinfo_app_list_cb app_cb,
+							void *user_data)
+{
+	uid_t uid = 0;
+	int ret = 0;
+
+	if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
+		_ERR("Failed to get UID");
+		return -1;
+	}
+
+
+	ret = pkgmgrinfo_appinfo_usr_metadata_filter_foreach(handle, app_cb, user_data, uid);
+	if (ret != PMINFO_R_OK) {
+		_ERR("Failed to execute the metadata filter query (%d)", ret);
+		return -1;
+	}
+
+	return 0;
+}
+
+void printHWClockLog(const char* format, ...)
+{
+	char buf[1024] = {0,};
+	va_list ap;
+
+	va_start(ap, format);
+	vsnprintf(buf, sizeof(buf), format, ap);
+	va_end(ap);
+
+	prctl(PR_TASK_PERF_USER_TRACE, buf, strlen(buf));
 }
 
-static bool ExtCheckAndGetFileNameIfExist(const std::string&  dir, const std::string& ext, struct dirent* entry, std::string& filename)
+const char* getNCDBStartupHook()
 {
-  std::string fname(entry->d_name);
-  if (fname.length() < ext.length() ||
-      fname.compare(fname.length() - ext.length(), ext.length(), ext) != 0)
-  {
-    return false;
-  }
-  std::string fullname = ConcatPath(dir, entry->d_name);
-  switch (entry->d_type)
-  {
-    case DT_REG: break;
-    case DT_LNK:
-    case DT_UNKNOWN:
-      if (FileNotExist(fullname))
-      {
-        return false;
-      }
-    default:
-      return false;
-  }
-
-  filename = fullname;
-
-  return true;
-}
-
-std::string StripNIDLL(const std::string& path)
-{
-  std::string npath(path);
-  if (path.size() < 5) return npath;
-  if (strncasecmp(path.c_str() + path.size() - 4, ".dll", 4))
-  {
-    npath = path.substr(0, path.size()-4);
-  }else if (strncasecmp(path.c_str() + path.size() - 4, ".exe", 4))
-  {
-    npath = path.substr(0, path.size()-4);
-  }
-  if (strncasecmp(npath.c_str() + npath.size() - 3, ".ni", 3))
-  {
-    return npath.substr(0, npath.size()-3);
-  }
-  return npath;
+	return "/home/owner/share/tmp/sdk_tools/netcoredbg/ncdbhook.dll";
 }
 
-std::string JoinStrings(const std::vector<std::string>& strings, const char* const delimeter)
+bool isNCDBStartupHookProvided()
 {
-  switch (strings.size())
-  {
-    case 0:
-      return "";
-    case 1:
-      return strings[0];
-    default:
-      std::ostringstream os; 
-      std::copy(strings.begin(), strings.end()-1, std::ostream_iterator<std::string>(os, delimeter));
-      os << *strings.rbegin();
-      return os.str();
-  }
-}
-
-struct AssemblyFile
-{
-  std::string noext;
-  std::string ext;
-};
-
-bool operator == (const AssemblyFile& lhs, const AssemblyFile& rhs)
-{
-  return lhs.noext == rhs.noext && lhs.ext == rhs.ext;
-}
-
-namespace std
-{
-  template<>
-  struct hash<AssemblyFile>
-  {
-    std::size_t operator () (const AssemblyFile& f) const
-    {
-      const std::size_t h1 = std::hash<std::string>{}(f.noext);
-      const std::size_t h2 = std::hash<std::string>{}(f.ext);
-
-      return h1 ^ (h2 << 1);
-    }
-  };
-}
-
-void AssembliesInDirectory(const std::vector<std::string>& directories, std::string& tpaList)
-{
-  std::unordered_map<AssemblyFile, bool> addedAssemblies;
-
-  auto reader = [&addedAssemblies] (const char* path)
-  {
-    std::string _path(path);
-
-    std::string::size_type dotp = _path.rfind('.');
-    std::string ext = dotp != std::string::npos ? _path.substr(dotp) : "";
-    std::string noext;
-    bool ni = false;
-
-    if (IsManagedAssembly(_path))
-    {
-      if (IsNativeImage(_path))
-      {
-        noext = _path.substr(0, _path.size()-7);
-        ni = true;
-      }
-      else
-      {
-        noext = _path.substr(0, _path.size()-4);
-      }
-
-      AssemblyFile f = {noext, ext};
-      addedAssemblies[f] = ni;
-    }
-  };
-
-  for (auto directory : directories)
-  {
-    ScanFilesInDir(directory.c_str(), reader, 1);
-  }
-
-  for (auto kv : addedAssemblies)
-  {
-    tpaList += kv.first.noext + (kv.second ? ".ni" : "") +  kv.first.ext + ':';
-  }
-
-  if (tpaList.back() == ':')
-    tpaList.pop_back();
-}
-
-void ScanFilesInDir(const char* directory, FileReader reader, unsigned int depth)
-{
-  DIR *dir;
-  struct dirent* entry;
-  bool isDir;
-
-  dir = opendir(directory);
-
-  if (dir == nullptr)
-  {
-    //_ERR("Can not open directory : %s", directory);
-    return;
-  }
-
-  std::vector<std::string> innerDirectories;
-
-  while ((entry = readdir(dir)) != nullptr)
-  {
-    isDir = false;
-    std::string path = ConcatPath(directory, entry->d_name);
-    switch (entry->d_type)
-    {
-      case DT_REG: break;
-      case DT_DIR:
-        isDir = true;
-        break;
-      case DT_LNK:
-      case DT_UNKNOWN:
-        struct stat sb;
-        if (stat(path.c_str(), &sb) == -1)
-        {
-          continue;
-        }
-
-        if (S_ISREG(sb.st_mode) || S_ISDIR(sb.st_mode))
-        {
-          break;
-        }
-      default:
-        continue;
-    }
-    if (!isDir)
-    {
-      reader(path.c_str()); 
-    }
-    else if (depth > 1 && strcmp(entry->d_name, ".") && strcmp(entry->d_name, ".."))
-    {
-      innerDirectories.push_back(path);
-    }
-  }
-
-  if (depth != 0)
-  {
-    for (auto& d : innerDirectories)
-    {
-      ScanFilesInDir(d.c_str(), reader, depth-1);
-    }
-  }
-
-  closedir(dir);
+	char *env = nullptr;
+	env = getenv("DOTNET_STARTUP_HOOKS");
+	if (env == nullptr)
+		return false;
+
+	// Note, `DOTNET_STARTUP_HOOKS` env could provide list of dlls with ':' delimiter,
+	// for example: "/path1/name1.dll:/path2/name2.dll"
+	while (*env != '\0')
+	{
+		const char *ncdbCur = getNCDBStartupHook();
+		while (*ncdbCur != '\0' && *env != '\0' && *env != ':')
+		{
+			if (*ncdbCur != *env)
+				break;
+
+			ncdbCur++;
+			env++;
+
+			if (*ncdbCur == '\0' && (*env == '\0' || *env == ':'))
+				return true;
+		}
+		while (*env != '\0' && *env != ':')
+		{
+			env++;
+		}
+		if (*env == ':')
+			env++;
+	}
+
+	return false;
 }