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>
32 #include <unordered_map>
42 #include "path_manager.h"
44 static bool iCompare(const std::string& a, int aOffset, const std::string& b, int bOffset, int length)
46 return static_cast<int>(a.length()) - length >= aOffset &&
47 static_cast<int>(b.length()) - length >= bOffset &&
48 std::equal(b.begin() + bOffset, b.begin() + bOffset + length, a.begin() + aOffset,
49 [](unsigned char a, unsigned char b)
50 { return std::tolower(a) == std::tolower(b); });
53 bool isManagedAssembly(const std::string& fileName)
55 return (iCompare(fileName, fileName.size()-4, ".dll", 0, 4) ||
56 iCompare(fileName, fileName.size()-4, ".exe", 0, 4)) &&
57 !isNativeImage(fileName);
60 bool isNativeImage(const std::string& fileName)
62 return iCompare(fileName, fileName.size()-7, ".ni", 0, 3);
65 std::string concatPath(const std::string& path1, const std::string& path2)
67 std::string path(path1);
68 if (path.back() == PATH_SEPARATOR) {
71 path += PATH_SEPARATOR;
78 void splitPath(const std::string& path, std::vector<std::string>& out)
80 std::istringstream ss(path);
83 while (std::getline(ss, token, ':')) {
88 std::string getAbsolutePath(const std::string& path)
91 char *realPath = realpath(path.c_str(), NULL);
93 absPath.assign(realPath);
100 std::string getRootPath(const std::string& pkgId)
104 std::string rootPath;
106 pkgmgrinfo_pkginfo_h pkg_handle;
107 ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
112 ret = pkgmgrinfo_pkginfo_get_root_path(pkg_handle, &path);
113 if (ret != PMINFO_R_OK) {
114 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
118 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
123 std::string getExecName(const std::string& pkgId)
127 std::string execName;
129 pkgmgrinfo_pkginfo_h pkg_handle;
130 int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
135 ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
136 if (ret != PMINFO_R_OK) {
137 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
141 pkgmgrinfo_appinfo_h app_handle;
142 ret = pkgmgrGetAppInfo(appId, &app_handle);
144 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
148 ret = pkgmgrinfo_appinfo_get_exec(app_handle, &exec);
149 if (ret != PMINFO_R_OK) {
150 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
151 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
154 execName = std::string(exec).substr(std::string(exec).rfind('/') + 1);
156 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
157 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
162 std::string getAppType(const std::string& pkgId)
168 pkgmgrinfo_pkginfo_h pkg_handle;
169 int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
174 ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
175 if (ret != PMINFO_R_OK) {
176 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
180 pkgmgrinfo_appinfo_h app_handle;
181 ret = pkgmgrGetAppInfo(appId, &app_handle);
183 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
187 ret = pkgmgrinfo_appinfo_get_apptype(app_handle, &type);
188 if (ret != PMINFO_R_OK) {
189 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
190 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
195 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
196 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
201 std::string getMetadataValue(const std::string& pkgId, const std::string& key)
205 std::string metadataValue;
207 pkgmgrinfo_pkginfo_h pkg_handle;
208 int ret = pkgmgrGetPkgInfo(pkgId, &pkg_handle);
210 return metadataValue;
213 ret = pkgmgrinfo_pkginfo_get_mainappid(pkg_handle, &appId);
214 if (ret != PMINFO_R_OK) {
215 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
216 return metadataValue;
219 pkgmgrinfo_appinfo_h app_handle;
220 ret = pkgmgrGetAppInfo(appId, &app_handle);
222 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
223 return metadataValue;
226 ret = pkgmgrinfo_appinfo_get_metadata_value(app_handle, key.c_str(), &value);
227 if (ret != PMINFO_R_OK) {
228 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
229 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
230 return metadataValue;
232 metadataValue = std::string(value);
234 pkgmgrinfo_appinfo_destroy_appinfo(app_handle);
235 pkgmgrinfo_pkginfo_destroy_pkginfo(pkg_handle);
237 return metadataValue;
240 bool isReadOnlyArea(const std::string& path)
243 struct mntent *m = NULL;
245 // "/opt/usr" is mounted to "RW" only
246 if (path.find("/opt/usr") != std::string::npos) {
250 // check whether "/" is mounted to RO or not
251 f = setmntent("/proc/mounts", "r");
253 // return true for fail case to generate NI files under RW area.
257 while((m = getmntent(f))) {
258 if (m->mnt_dir != NULL && strcmp(m->mnt_dir, "/") == 0 &&
259 m->mnt_opts != NULL && strstr(m->mnt_opts, "ro,") != NULL) {
269 std::string getBaseName(const std::string& path)
271 auto pos = path.find_last_of(PATH_SEPARATOR);
272 if (pos != std::string::npos)
273 return path.substr(0, pos);
275 return std::string(".");
279 std::string replaceAll(const std::string& str, const std::string& pattern, const std::string& replace)
281 std::string result = str;
282 std::string::size_type pos = 0;
283 std::string::size_type offset = 0;
285 while ((pos = result.find(pattern, offset)) != std::string::npos) {
286 result.replace(result.begin() + pos, result.begin() + pos + pattern.size(), replace);
287 offset = pos + replace.size();
293 std::string changeExtension(const std::string& path, const std::string& from, const std::string& to)
295 return path.substr(0, path.rfind(from)) + to;
298 bool isFile(const std::string& path)
301 return lstat(path.c_str(), &sb) == 0;
304 bool isDirectory(const std::string& path)
307 if (stat(path.c_str(), &sb) != 0) {
310 if (sb.st_mode & S_IFDIR) {
317 std::string getAssemblyNameFromPath(const std::string& path)
319 std::string ret(getFileName(path));
321 if (ret.find_last_of(".") == std::string::npos)
323 ret.erase(ret.find_last_of("."));
325 if (ret.size() > 3 && std::equal(ret.begin() + ret.size() - 3, ret.end(), ".ni"))
326 ret.erase(ret.size() - 3);
331 void addAssembliesFromDirectories(const std::vector<std::string>& directories, std::string& list)
333 std::vector<std::string> assems;
334 std::unordered_map<std::string, std::string> assemPaths;
336 auto reader = [&assems, &assemPaths](const std::string& path, const std::string& filename) {
337 if (isManagedAssembly(filename) || isNativeImage(filename)) {
338 std::string assem = getAssemblyNameFromPath(filename);
340 if (assemPaths.count(assem) == 0) {
341 assems.push_back(assem);
342 assemPaths[assem] = path;
343 } else if (isManagedAssembly(assemPaths[assem]) && isNativeImage(filename)) {
344 // Update only if a native image is found in the same directory.
345 // For example, if we have two directories = { X, Y } where X contains A.dll and
346 // Y contains both A.dll and A.ni.dll, always A.dll in X will be used.
347 if (getBaseName(assemPaths[assem]).compare(getBaseName(path)) == 0)
348 assemPaths[assem] = path;
352 for (auto& directory : directories)
353 scanFilesInDirectory(directory, reader, 0);
355 if (!list.empty() && list.back() != ':')
358 for (auto& assem : assems)
359 list += assemPaths[assem] + ":";
361 if (list.back() == ':')
365 void scanFilesInDirectory(const std::string& directory, FileReader reader, unsigned int depth)
368 struct dirent* entry;
371 dir = opendir(directory.c_str());
376 std::vector<std::string> innerDirectories;
378 while ((entry = readdir(dir)) != nullptr) {
380 std::string path = concatPath(directory, entry->d_name);
381 switch (entry->d_type) {
386 // symlink is added to the list even if there is no original file.
387 // It used to remove broken symlinks related to TAC
396 reader(path, entry->d_name);
397 else if (depth > 0 && strcmp(entry->d_name, ".") && strcmp(entry->d_name, ".."))
398 innerDirectories.push_back(path);
402 for (auto& d : innerDirectories)
403 scanFilesInDirectory(d, reader, depth - 1);
408 void copySmackAndOwnership(const std::string& fromPath, const std::string& toPath, bool isSymlink)
414 // change smack label for symbolic link.
415 if (smack_lgetlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
416 if (smack_lsetlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
417 _SERR("Fail to set smack label");
422 // change owner and groups for symbolic link.
423 if (!lstat(fromPath.c_str(), &info)) {
424 if (lchown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
425 _SERR("Failed to change owner and group name");
428 // change smack label
429 if (smack_getlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
430 if (smack_setlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
431 _SERR("Fail to set smack label");
436 // change owner and groups for generated ni file.
437 if (!stat(fromPath.c_str(), &info)) {
438 if (chown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
439 _SERR("Failed to change owner and group name");
444 static bool setOwnership(const bf::path& path, uid_t uid, gid_t gid)
446 int fd = open(path.c_str(), O_RDONLY);
448 _ERR("Can't open directory: %s", path.c_str());
451 int ret = fchown(fd, uid, gid);
454 _ERR("Failed to change owner of: %s", path.c_str());
460 static bool setDirPermissions(const bf::path& path, bf::perms permissions)
462 bs::error_code error;
463 bf::permissions(path, permissions, error);
465 _ERR("Failed to set permissions for directory: %s, %s", path.c_str(), error.message().c_str());
471 static bool setDirOwnershipAndPermissions(const bf::path& path, bf::perms permissions, uid_t uid, gid_t gid)
473 if (!setOwnership(path, uid, gid)) {
474 _ERR("Failed to change owner: %s, (uid: %d, gid: %d)", path.c_str(), uid, gid);
477 if (!setDirPermissions(path, permissions)) {
478 _ERR("Failed to change permission: %s, (%d)", path.c_str(), permissions);
484 static bool copyOwnershipAndPermissions(const bf::path& path, const bf::path& path2)
487 _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
490 bf::perms permissions = bf::status(path).permissions();
492 if (stat(path.c_str(), &stats) != 0) {
495 if (!setDirOwnershipAndPermissions(path2, permissions, stats.st_uid, stats.st_gid)) {
496 _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
502 bool exist(const bf::path& path)
504 bs::error_code error;
505 int ret = bf::exists(path, error);
507 if ((error.value() != bs::errc::success) && (error.value() != bs::errc::no_such_file_or_directory)) {
508 _ERR("Failed to check %s exists : %s", path.c_str(), error.message().c_str());
514 bool createDir(const bf::path& path)
519 bs::error_code error;
520 bf::create_directories(path, error);
522 _ERR("Failed to create directory: %s", error.message().c_str());
528 bool copyDir(const bf::path& path1, const bf::path& path2, FSFlag flags)
531 // Check whether the function call is valid
532 if (!exist(path1) || !bf::is_directory(path1)) {
533 _ERR("Source directory %s does not exist or is not a directory", path1.c_str());
537 // Create the destination directory
538 if (!createDir(path2)) {
539 _ERR("Unable to create destination directory %s", path2.c_str());
542 if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
543 copyOwnershipAndPermissions(path1, path2);
546 if (!(flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE))) {
547 _ERR("Destination directory %s already exists", path2.c_str());
550 if (flags & (FS_MERGE_OVERWRITE | FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS)) {
551 copyOwnershipAndPermissions(path1, path2);
554 } catch (const bf::filesystem_error& error) {
555 _ERR("Failed to copy directory: %s", error.what());
559 // Iterate through the source directory
560 for (bf::directory_iterator file(path1); file != bf::directory_iterator(); ++file) {
562 bf::path current(file->path());
563 bf::path target = path2 / current.filename();
564 if (bf::is_symlink(symlink_status(current))) {
565 if ((flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE)) && exist(target)) {
568 bs::error_code error;
569 bf::copy_symlink(current, target, error);
571 _ERR("Failed to copy symlink: %s, %s", current.c_str(), error.message().c_str());
574 } else if (bf::is_directory(current)) {
575 // Found directory: Recursion
576 if (!copyDir(current, target, flags)) {
580 if ((flags & FS_MERGE_SKIP) && exist(target)) {
583 bf::path destination = target;
584 if (flags & FS_COMMIT_COPY_FILE) {
585 destination = bf::unique_path(target.parent_path() / "%%%%-%%%%-%%%%-%%%%");
587 if (flags & FS_MERGE_OVERWRITE) {
588 bf::copy_file(current, destination, bf::copy_option::overwrite_if_exists);
590 bf::copy_file(current, destination);
592 if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
593 copyOwnershipAndPermissions(current, destination);
595 if (flags & FS_COMMIT_COPY_FILE) {
596 if (flags & FS_MERGE_OVERWRITE) {
599 bf::rename(destination, target);
602 } catch (const bf::filesystem_error& error) {
603 _ERR("Failed to copy directory: %s", error.what());
610 bool copyFile(const bf::path& path1, const bf::path& path2)
612 bs::error_code error;
616 bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
618 _ERR("copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
624 bool moveFile(const bf::path& path1, const bf::path& path2)
626 if (!exist(path1) || exist(path2)) {
629 bs::error_code error;
630 bf::rename(path1, path2, error);
632 _ERR("Cannot move file: %s. Will copy/remove... with error [%s]", path1.c_str(), error.message().c_str());
633 bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
635 _ERR("Cannot copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
638 bf::remove_all(path1, error);
640 _ERR("Cannot remove old file when coping: %s with error [%s]", path1.c_str(), error.message().c_str());
647 bool removeFile(const bf::path& path)
652 bs::error_code error;
653 bf::remove(path, error);
655 _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
661 bool removeAll(const bf::path& path)
666 bs::error_code error;
667 bf::remove_all(path, error);
669 _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
675 void setCmdName(const std::string& name)
677 #define PRC_NAME_LENGTH 16
679 char processName[PRC_NAME_LENGTH] = {0, };
684 memset(processName, '\0', PRC_NAME_LENGTH);
685 snprintf(processName, PRC_NAME_LENGTH, "%s", name.c_str());
686 prctl(PR_SET_NAME, processName);
689 std::string getFileName(const std::string& path)
691 std::string ret(path);
692 size_t index = ret.find_last_of(PATH_SEPARATOR);
693 return index == std::string::npos ? ret : ret.substr(index + 1);
696 std::string SHA256(const std::string& path)
698 std::string output = "";
699 FILE *file = fopen(path.c_str(), "rb");
704 unsigned char hash[SHA256_DIGEST_LENGTH];
706 SHA256_Init(&sha256);
708 const int bufSize = 32768;
709 char *buffer = (char*)malloc(bufSize);
715 while ((bytesRead = fread(buffer, 1, bufSize, file))) {
716 SHA256_Update(&sha256, buffer, bytesRead);
718 SHA256_Final(hash, &sha256);
720 std::stringstream ss;
721 for (int i = 0; i < SHA256_DIGEST_LENGTH; i++) {
722 ss << std::hex << std::setw(2) << std::setfill('0') << (int)hash[i];
732 int pkgmgrGetPkgInfo(const std::string& pkgId, pkgmgrinfo_pkginfo_h* handle)
737 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
738 _ERR("Failed to get UID");
742 ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(pkgId.c_str(), uid, handle);
743 if (ret != PMINFO_R_OK) {
744 _ERR("Failed to get pkginfo (%d)", ret);
751 int pkgmgrGetAppInfo(const std::string& appId, pkgmgrinfo_appinfo_h* handle)
756 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
757 _ERR("Failed to get UID");
761 ret = pkgmgrinfo_appinfo_get_usr_appinfo(appId.c_str(), uid, handle);
762 if (ret != PMINFO_R_OK) {
763 _ERR("Failed to get appinfo (%d)", ret);
770 int pkgmgrMDFilterForeach(pkgmgrinfo_appinfo_metadata_filter_h handle,
771 pkgmgrinfo_app_list_cb app_cb,
777 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
778 _ERR("Failed to get UID");
783 ret = pkgmgrinfo_appinfo_usr_metadata_filter_foreach(handle, app_cb, user_data, uid);
784 if (ret != PMINFO_R_OK) {
785 _ERR("Failed to execute the metadata filter query (%d)", ret);