2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
23 #include <pkgmgr_installer_info.h>
24 #include <sys/smack.h>
25 #include <sys/prctl.h>
26 #include <openssl/sha.h>
31 #include <unordered_map>
41 #include "path_manager.h"
43 static bool iCompare(const std::string& a, int aOffset, const std::string& b, int bOffset, int length)
45 return static_cast<int>(a.length()) - length >= aOffset &&
46 static_cast<int>(b.length()) - length >= bOffset &&
47 std::equal(b.begin() + bOffset, b.begin() + bOffset + length, a.begin() + aOffset,
48 [](unsigned char a, unsigned char b)
49 { return std::tolower(a) == std::tolower(b); });
52 bool isManagedAssembly(const std::string& fileName)
54 return (iCompare(fileName, fileName.size()-4, ".dll", 0, 4) ||
55 iCompare(fileName, fileName.size()-4, ".exe", 0, 4)) &&
56 !isNativeImage(fileName);
59 bool isNativeImage(const std::string& fileName)
61 return iCompare(fileName, fileName.size()-7, ".ni", 0, 3);
64 std::string concatPath(const std::string& path1, const std::string& path2)
66 std::string path(path1);
67 if (path.back() == PATH_SEPARATOR) {
70 path += PATH_SEPARATOR;
77 void splitPath(const std::string& path, std::vector<std::string>& out)
79 std::istringstream ss(path);
82 while (std::getline(ss, token, ':')) {
87 std::string getAbsolutePath(const std::string& path)
90 char *realPath = realpath(path.c_str(), NULL);
92 absPath.assign(realPath);
99 std::string getRootPath(const std::string& pkgId)
103 std::string rootPath;
105 pkgmgrinfo_pkginfo_h pkg_handle;
106 ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
111 ret = pkgmgrinfo_pkginfo_get_root_path(pkg_handle, &path);
112 if (ret != PMINFO_R_OK) {
113 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
117 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
122 std::string getExecName(const std::string& pkgId)
126 std::string execName;
128 pkgmgrinfo_pkginfo_h pkg_handle;
129 int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
134 ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
135 if (ret != PMINFO_R_OK) {
136 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
140 pkgmgrinfo_appinfo_h app_handle;
141 ret = pkgmgrGetAppInfo(appId, &app_handle);
143 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
147 ret = pkgmgrinfo_appinfo_get_exec(app_handle, &exec);
148 if (ret != PMINFO_R_OK) {
149 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
150 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
153 execName = std::string(exec).substr(std::string(exec).rfind('/') + 1);
155 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
156 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
161 std::string getAppType(const std::string& pkgId)
167 pkgmgrinfo_pkginfo_h pkg_handle;
168 int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
173 ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
174 if (ret != PMINFO_R_OK) {
175 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
179 pkgmgrinfo_appinfo_h app_handle;
180 ret = pkgmgrGetAppInfo(appId, &app_handle);
182 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
186 ret = pkgmgrinfo_appinfo_get_apptype(app_handle, &type);
187 if (ret != PMINFO_R_OK) {
188 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
189 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
194 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
195 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
200 std::string getMetadataValue(const std::string& pkgId, const std::string& key)
204 std::string metadataValue;
206 pkgmgrinfo_pkginfo_h pkg_handle;
207 int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
209 return metadataValue;
212 ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
213 if (ret != PMINFO_R_OK) {
214 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
215 return metadataValue;
218 pkgmgrinfo_appinfo_h app_handle;
219 ret = pkgmgrGetAppInfo(appId, &app_handle);
221 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
222 return metadataValue;
225 ret = pkgmgrinfo_appinfo_get_metadata_value(app_handle, key.c_str(), &value);
226 if (ret != PMINFO_R_OK) {
227 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
228 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
229 return metadataValue;
231 metadataValue = std::string(value);
233 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
234 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
236 return metadataValue;
239 bool isReadOnlyApp(const std::string& pkgId)
241 bool readOnly = false;
245 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
246 _ERR("Failed to get UID");
250 pkgmgrinfo_pkginfo_h handle;
252 ret = pkgmgrinfo_pkginfo_get_pkginfo(pkgId.c_str(), &handle);
254 ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(pkgId.c_str(), uid, &handle);
257 if (ret != PMINFO_R_OK) {
261 ret = pkgmgrinfo_pkginfo_is_readonly(handle, &readOnly);
262 if (ret != PMINFO_R_OK) {
263 pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
267 pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
272 std::string getBaseName(const std::string& path)
274 auto pos = path.find_last_of(PATH_SEPARATOR);
275 if (pos != std::string::npos)
276 return path.substr(0, pos);
278 return std::string(".");
282 std::string replaceAll(const std::string& str, const std::string& pattern, const std::string& replace)
284 std::string result = str;
285 std::string::size_type pos = 0;
286 std::string::size_type offset = 0;
288 while ((pos = result.find(pattern, offset)) != std::string::npos) {
289 result.replace(result.begin() + pos, result.begin() + pos + pattern.size(), replace);
290 offset = pos + replace.size();
296 std::string changeExtension(const std::string& path, const std::string& from, const std::string& to)
298 return path.substr(0, path.rfind(from)) + to;
301 bool isFile(const std::string& path)
304 return lstat(path.c_str(), &sb) == 0;
307 bool isDirectory(const std::string& path)
310 if (stat(path.c_str(), &sb) != 0) {
313 if (sb.st_mode & S_IFDIR) {
320 std::string getAssemblyNameFromPath(const std::string& path)
322 std::string ret(getFileName(path));
324 if (ret.find_last_of(".") == std::string::npos)
326 ret.erase(ret.find_last_of("."));
328 if (ret.size() > 3 && std::equal(ret.begin() + ret.size() - 3, ret.end(), ".ni"))
329 ret.erase(ret.size() - 3);
334 void addAssembliesFromDirectories(const std::vector<std::string>& directories, std::string& list)
336 std::vector<std::string> assems;
337 std::unordered_map<std::string, std::string> assemPaths;
339 auto reader = [&assems, &assemPaths](const std::string& path, const std::string& filename) {
340 if (isManagedAssembly(filename) || isNativeImage(filename)) {
341 std::string assem = getAssemblyNameFromPath(filename);
343 if (assemPaths.count(assem) == 0) {
344 assems.push_back(assem);
345 assemPaths[assem] = path;
346 } else if (isManagedAssembly(assemPaths[assem]) && isNativeImage(filename)) {
347 // Update only if a native image is found in the same directory.
348 // For example, if we have two directories = { X, Y } where X contains A.dll and
349 // Y contains both A.dll and A.ni.dll, always A.dll in X will be used.
350 if (getBaseName(assemPaths[assem]).compare(getBaseName(path)) == 0)
351 assemPaths[assem] = path;
355 for (auto& directory : directories)
356 scanFilesInDirectory(directory, reader, 0);
358 if (!list.empty() && list.back() != ':')
361 for (auto& assem : assems)
362 list += assemPaths[assem] + ":";
364 if (list.back() == ':')
368 void scanFilesInDirectory(const std::string& directory, FileReader reader, unsigned int depth)
371 struct dirent* entry;
374 dir = opendir(directory.c_str());
379 std::vector<std::string> innerDirectories;
381 while ((entry = readdir(dir)) != nullptr) {
383 std::string path = concatPath(directory, entry->d_name);
384 switch (entry->d_type) {
389 // symlink is added to the list even if there is no original file.
390 // It used to remove broken symlinks related to TAC
399 reader(path, entry->d_name);
400 else if (depth > 0 && strcmp(entry->d_name, ".") && strcmp(entry->d_name, ".."))
401 innerDirectories.push_back(path);
405 for (auto& d : innerDirectories)
406 scanFilesInDirectory(d, reader, depth - 1);
411 void copySmackAndOwnership(const std::string& fromPath, const std::string& toPath, bool isSymlink)
417 // change smack label for symbolic link.
418 if (smack_lgetlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
419 if (smack_lsetlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
420 fprintf(stderr, "Fail to set smack label\n");
425 // change owner and groups for symbolic link.
426 if (!lstat(fromPath.c_str(), &info)) {
427 if (lchown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
428 fprintf(stderr, "Failed to change owner and group name\n");
431 // change smack label
432 if (smack_getlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
433 if (smack_setlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
434 fprintf(stderr, "Fail to set smack label\n");
439 // change owner and groups for generated ni file.
440 if (!stat(fromPath.c_str(), &info)) {
441 if (chown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
442 fprintf(stderr, "Failed to change owner and group name\n");
447 static bool setOwnership(const bf::path& path, uid_t uid, gid_t gid)
449 int fd = open(path.c_str(), O_RDONLY);
451 _ERR("Can't open directory: %s", path.c_str());
454 int ret = fchown(fd, uid, gid);
457 _ERR("Failed to change owner of: %s", path.c_str());
463 static bool setDirPermissions(const bf::path& path, bf::perms permissions)
465 bs::error_code error;
466 bf::permissions(path, permissions, error);
468 _ERR("Failed to set permissions for directory: %s, %s", path.c_str(), error.message().c_str());
474 static bool setDirOwnershipAndPermissions(const bf::path& path, bf::perms permissions, uid_t uid, gid_t gid)
476 if (!setOwnership(path, uid, gid)) {
477 _ERR("Failed to change owner: %s, (uid: %d, gid: %d)", path.c_str(), uid, gid);
480 if (!setDirPermissions(path, permissions)) {
481 _ERR("Failed to change permission: %s, (%d)", path.c_str(), permissions);
487 static bool copyOwnershipAndPermissions(const bf::path& path, const bf::path& path2)
490 _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
493 bf::perms permissions = bf::status(path).permissions();
495 if (stat(path.c_str(), &stats) != 0) {
498 if (!setDirOwnershipAndPermissions(path2, permissions, stats.st_uid, stats.st_gid)) {
499 _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
505 bool exist(const bf::path& path)
507 bs::error_code error;
508 int ret = bf::exists(path, error);
510 if ((error.value() != bs::errc::success) && (error.value() != bs::errc::no_such_file_or_directory)) {
511 _ERR("Failed to check %s exists : %s", path.c_str(), error.message().c_str());
517 bool createDir(const bf::path& path)
522 bs::error_code error;
523 bf::create_directories(path, error);
525 _ERR("Failed to create directory: %s", error.message().c_str());
531 bool copyDir(const bf::path& path1, const bf::path& path2, FSFlag flags)
534 // Check whether the function call is valid
535 if (!exist(path1) || !bf::is_directory(path1)) {
536 _ERR("Source directory %s does not exist or is not a directory", path1.c_str());
540 // Create the destination directory
541 if (!createDir(path2)) {
542 _ERR("Unable to create destination directory %s", path2.c_str());
545 if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
546 copyOwnershipAndPermissions(path1, path2);
549 if (!(flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE))) {
550 _ERR("Destination directory %s already exists", path2.c_str());
553 if (flags & (FS_MERGE_OVERWRITE | FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS)) {
554 copyOwnershipAndPermissions(path1, path2);
557 } catch (const bf::filesystem_error& error) {
558 _ERR("Failed to copy directory: %s", error.what());
562 // Iterate through the source directory
563 for (bf::directory_iterator file(path1); file != bf::directory_iterator(); ++file) {
565 bf::path current(file->path());
566 bf::path target = path2 / current.filename();
567 if (bf::is_symlink(symlink_status(current))) {
568 if ((flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE)) && exist(target)) {
571 bs::error_code error;
572 bf::copy_symlink(current, target, error);
574 _ERR("Failed to copy symlink: %s, %s", current.c_str(), error.message().c_str());
577 } else if (bf::is_directory(current)) {
578 // Found directory: Recursion
579 if (!copyDir(current, target, flags)) {
583 if ((flags & FS_MERGE_SKIP) && exist(target)) {
586 bf::path destination = target;
587 if (flags & FS_COMMIT_COPY_FILE) {
588 destination = bf::unique_path(target.parent_path() / "%%%%-%%%%-%%%%-%%%%");
590 if (flags & FS_MERGE_OVERWRITE) {
591 bf::copy_file(current, destination, bf::copy_option::overwrite_if_exists);
593 bf::copy_file(current, destination);
595 if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
596 copyOwnershipAndPermissions(current, destination);
598 if (flags & FS_COMMIT_COPY_FILE) {
599 if (flags & FS_MERGE_OVERWRITE) {
602 bf::rename(destination, target);
605 } catch (const bf::filesystem_error& error) {
606 _ERR("Failed to copy directory: %s", error.what());
613 bool copyFile(const bf::path& path1, const bf::path& path2)
615 bs::error_code error;
619 bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
621 _ERR("copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
627 bool moveFile(const bf::path& path1, const bf::path& path2)
629 if (!exist(path1) || exist(path2)) {
632 bs::error_code error;
633 bf::rename(path1, path2, error);
635 _ERR("Cannot move file: %s. Will copy/remove... with error [%s]", path1.c_str(), error.message().c_str());
636 bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
638 _ERR("Cannot copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
641 bf::remove_all(path1, error);
643 _ERR("Cannot remove old file when coping: %s with error [%s]", path1.c_str(), error.message().c_str());
650 bool removeFile(const bf::path& path)
655 bs::error_code error;
656 bf::remove(path, error);
658 _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
664 bool removeAll(const bf::path& path)
669 bs::error_code error;
670 bf::remove_all(path, error);
672 _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
678 void setCmdName(const std::string& name)
680 #define PRC_NAME_LENGTH 16
682 char processName[PRC_NAME_LENGTH] = {0, };
687 memset(processName, '\0', PRC_NAME_LENGTH);
688 snprintf(processName, PRC_NAME_LENGTH, "%s", name.c_str());
689 prctl(PR_SET_NAME, processName);
692 std::string getFileName(const std::string& path)
694 std::string ret(path);
695 size_t index = ret.find_last_of(PATH_SEPARATOR);
696 return index == std::string::npos ? ret : ret.substr(index + 1);
699 std::string SHA256(const std::string& path)
701 std::string output = "";
702 FILE *file = fopen(path.c_str(), "rb");
707 unsigned char hash[SHA256_DIGEST_LENGTH];
709 SHA256_Init(&sha256);
711 const int bufSize = 32768;
712 char *buffer = (char*)malloc(bufSize);
718 while ((bytesRead = fread(buffer, 1, bufSize, file))) {
719 SHA256_Update(&sha256, buffer, bytesRead);
721 SHA256_Final(hash, &sha256);
723 std::stringstream ss;
724 for (int i = 0; i < SHA256_DIGEST_LENGTH; i++) {
725 ss << std::hex << std::setw(2) << std::setfill('0') << (int)hash[i];
735 int pkgmgrGetPkgInfo(const std::string& pkgId, pkgmgrinfo_pkginfo_h* handle)
740 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
741 _ERR("Failed to get UID");
745 ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(pkgId.c_str(), uid, handle);
746 if (ret != PMINFO_R_OK) {
747 _ERR("Failed to get pkginfo (%d)", ret);
754 int pkgmgrGetAppInfo(const std::string& appId, pkgmgrinfo_appinfo_h* handle)
759 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
760 _ERR("Failed to get UID");
764 ret = pkgmgrinfo_appinfo_get_usr_appinfo(appId.c_str(), uid, handle);
765 if (ret != PMINFO_R_OK) {
766 _ERR("Failed to get appinfo (%d)", ret);
773 int pkgmgrMDFilterForeach(pkgmgrinfo_appinfo_metadata_filter_h handle,
774 pkgmgrinfo_app_list_cb app_cb,
780 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
781 _ERR("Failed to get UID");
786 ret = pkgmgrinfo_appinfo_usr_metadata_filter_foreach(handle, app_cb, user_data, uid);
787 if (ret != PMINFO_R_OK) {
788 _ERR("Failed to execute the metadata filter query (%d)", ret);