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 std::string getBaseName(const std::string& path)
241 auto pos = path.find_last_of(PATH_SEPARATOR);
242 if (pos != std::string::npos)
243 return path.substr(0, pos);
245 return std::string(".");
249 std::string replaceAll(const std::string& str, const std::string& pattern, const std::string& replace)
251 std::string result = str;
252 std::string::size_type pos = 0;
253 std::string::size_type offset = 0;
255 while ((pos = result.find(pattern, offset)) != std::string::npos) {
256 result.replace(result.begin() + pos, result.begin() + pos + pattern.size(), replace);
257 offset = pos + replace.size();
263 bool isFile(const std::string& path)
266 return lstat(path.c_str(), &sb) == 0;
269 bool isDirectory(const std::string& path)
272 if (stat(path.c_str(), &sb) != 0) {
275 if (sb.st_mode & S_IFDIR) {
282 std::string getAssemblyNameFromPath(const std::string& path)
284 std::string ret(getFileName(path));
286 if (ret.find_last_of(".") == std::string::npos)
288 ret.erase(ret.find_last_of("."));
290 if (ret.size() > 3 && std::equal(ret.begin() + ret.size() - 3, ret.end(), ".ni"))
291 ret.erase(ret.size() - 3);
296 void addAssembliesFromDirectories(const std::vector<std::string>& directories, std::string& list)
298 std::vector<std::string> assems;
299 std::unordered_map<std::string, std::string> assemPaths;
301 auto reader = [&assems, &assemPaths](const std::string& path, const std::string& filename) {
302 if (isManagedAssembly(filename) || isNativeImage(filename)) {
303 std::string assem = getAssemblyNameFromPath(filename);
305 if (assemPaths.count(assem) == 0) {
306 assems.push_back(assem);
307 assemPaths[assem] = path;
308 } else if (isManagedAssembly(assemPaths[assem]) && isNativeImage(filename)) {
309 // Update only if a native image is found in the same directory.
310 // For example, if we have two directories = { X, Y } where X contains A.dll and
311 // Y contains both A.dll and A.ni.dll, always A.dll in X will be used.
312 if (getBaseName(assemPaths[assem]).compare(getBaseName(path)) == 0)
313 assemPaths[assem] = path;
317 for (auto& directory : directories)
318 scanFilesInDirectory(directory, reader, 0);
320 if (!list.empty() && list.back() != ':')
323 for (auto& assem : assems)
324 list += assemPaths[assem] + ":";
326 if (list.back() == ':')
330 void scanFilesInDirectory(const std::string& directory, FileReader reader, unsigned int depth)
333 struct dirent* entry;
336 dir = opendir(directory.c_str());
341 std::vector<std::string> innerDirectories;
343 while ((entry = readdir(dir)) != nullptr) {
345 std::string path = concatPath(directory, entry->d_name);
346 switch (entry->d_type) {
351 // symlink is added to the list even if there is no original file.
352 // It used to remove broken symlinks related to TAC
361 reader(path, entry->d_name);
362 else if (depth > 0 && strcmp(entry->d_name, ".") && strcmp(entry->d_name, ".."))
363 innerDirectories.push_back(path);
367 for (auto& d : innerDirectories)
368 scanFilesInDirectory(d, reader, depth - 1);
373 void copySmackAndOwnership(const std::string& fromPath, const std::string& toPath, bool isSymlink)
379 // change smack label for symbolic link.
380 if (smack_lgetlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
381 if (smack_lsetlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
382 fprintf(stderr, "Fail to set smack label\n");
387 // change owner and groups for symbolic link.
388 if (!lstat(fromPath.c_str(), &info)) {
389 if (lchown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
390 fprintf(stderr, "Failed to change owner and group name\n");
393 // change smack label
394 if (smack_getlabel(fromPath.c_str(), &label, SMACK_LABEL_ACCESS) == 0) {
395 if (smack_setlabel(toPath.c_str(), label, SMACK_LABEL_ACCESS) < 0) {
396 fprintf(stderr, "Fail to set smack label\n");
401 // change owner and groups for generated ni file.
402 if (!stat(fromPath.c_str(), &info)) {
403 if (chown(toPath.c_str(), info.st_uid, info.st_gid) == -1)
404 fprintf(stderr, "Failed to change owner and group name\n");
409 static bool setOwnership(const bf::path& path, uid_t uid, gid_t gid)
411 int fd = open(path.c_str(), O_RDONLY);
413 _ERR("Can't open directory: %s", path.c_str());
416 int ret = fchown(fd, uid, gid);
419 _ERR("Failed to change owner of: %s", path.c_str());
425 static bool setDirPermissions(const bf::path& path, bf::perms permissions)
427 bs::error_code error;
428 bf::permissions(path, permissions, error);
430 _ERR("Failed to set permissions for directory: %s, %s", path.c_str(), error.message().c_str());
436 static bool setDirOwnershipAndPermissions(const bf::path& path, bf::perms permissions, uid_t uid, gid_t gid)
438 if (!setOwnership(path, uid, gid)) {
439 _ERR("Failed to change owner: %s, (uid: %d, gid: %d)", path.c_str(), uid, gid);
442 if (!setDirPermissions(path, permissions)) {
443 _ERR("Failed to change permission: %s, (%d)", path.c_str(), permissions);
449 static bool copyOwnershipAndPermissions(const bf::path& path, const bf::path& path2)
452 _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
455 bf::perms permissions = bf::status(path).permissions();
457 if (stat(path.c_str(), &stats) != 0) {
460 if (!setDirOwnershipAndPermissions(path2, permissions, stats.st_uid, stats.st_gid)) {
461 _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
467 bool exist(const bf::path& path)
469 bs::error_code error;
470 int ret = bf::exists(path, error);
472 if ((error.value() != bs::errc::success) && (error.value() != bs::errc::no_such_file_or_directory)) {
473 _ERR("Failed to check %s exists : %s", path.c_str(), error.message().c_str());
479 bool createDir(const bf::path& path)
484 bs::error_code error;
485 bf::create_directories(path, error);
487 _ERR("Failed to create directory: %s", error.message().c_str());
493 bool copyDir(const bf::path& path1, const bf::path& path2, FSFlag flags)
496 // Check whether the function call is valid
497 if (!exist(path1) || !bf::is_directory(path1)) {
498 _ERR("Source directory %s does not exist or is not a directory", path1.c_str());
502 // Create the destination directory
503 if (!createDir(path2)) {
504 _ERR("Unable to create destination directory %s", path2.c_str());
507 if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
508 copyOwnershipAndPermissions(path1, path2);
511 if (!(flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE))) {
512 _ERR("Destination directory %s already exists", path2.c_str());
515 if (flags & (FS_MERGE_OVERWRITE | FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS)) {
516 copyOwnershipAndPermissions(path1, path2);
519 } catch (const bf::filesystem_error& error) {
520 _ERR("Failed to copy directory: %s", error.what());
524 // Iterate through the source directory
525 for (bf::directory_iterator file(path1); file != bf::directory_iterator(); ++file) {
527 bf::path current(file->path());
528 bf::path target = path2 / current.filename();
529 if (bf::is_symlink(symlink_status(current))) {
530 if ((flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE)) && exist(target)) {
533 bs::error_code error;
534 bf::copy_symlink(current, target, error);
536 _ERR("Failed to copy symlink: %s, %s", current.c_str(), error.message().c_str());
539 } else if (bf::is_directory(current)) {
540 // Found directory: Recursion
541 if (!copyDir(current, target, flags)) {
545 if ((flags & FS_MERGE_SKIP) && exist(target)) {
548 bf::path destination = target;
549 if (flags & FS_COMMIT_COPY_FILE) {
550 destination = bf::unique_path(target.parent_path() / "%%%%-%%%%-%%%%-%%%%");
552 if (flags & FS_MERGE_OVERWRITE) {
553 bf::copy_file(current, destination, bf::copy_option::overwrite_if_exists);
555 bf::copy_file(current, destination);
557 if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
558 copyOwnershipAndPermissions(current, destination);
560 if (flags & FS_COMMIT_COPY_FILE) {
561 if (flags & FS_MERGE_OVERWRITE) {
564 bf::rename(destination, target);
567 } catch (const bf::filesystem_error& error) {
568 _ERR("Failed to copy directory: %s", error.what());
575 bool copyFile(const bf::path& path1, const bf::path& path2)
577 bs::error_code error;
581 bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
583 _ERR("copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
589 bool moveFile(const bf::path& path1, const bf::path& path2)
591 if (!exist(path1) || exist(path2)) {
594 bs::error_code error;
595 bf::rename(path1, path2, error);
597 _ERR("Cannot move file: %s. Will copy/remove... with error [%s]", path1.c_str(), error.message().c_str());
598 bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
600 _ERR("Cannot copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
603 bf::remove_all(path1, error);
605 _ERR("Cannot remove old file when coping: %s with error [%s]", path1.c_str(), error.message().c_str());
612 bool removeFile(const bf::path& path)
617 bs::error_code error;
618 bf::remove(path, error);
620 _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
626 bool removeAll(const bf::path& path)
631 bs::error_code error;
632 bf::remove_all(path, error);
634 _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
640 void setCmdName(const std::string& name)
642 #define PRC_NAME_LENGTH 16
644 char processName[PRC_NAME_LENGTH] = {0, };
649 memset(processName, '\0', PRC_NAME_LENGTH);
650 snprintf(processName, PRC_NAME_LENGTH, "%s", name.c_str());
651 prctl(PR_SET_NAME, processName);
654 std::string getFileName(const std::string& path)
656 std::string ret(path);
657 size_t index = ret.find_last_of(PATH_SEPARATOR);
658 return index == std::string::npos ? ret : ret.substr(index + 1);
661 std::string SHA256(const std::string& path)
663 std::string output = "";
664 FILE *file = fopen(path.c_str(), "rb");
669 unsigned char hash[SHA256_DIGEST_LENGTH];
671 SHA256_Init(&sha256);
673 const int bufSize = 32768;
674 char *buffer = (char*)malloc(bufSize);
680 while ((bytesRead = fread(buffer, 1, bufSize, file))) {
681 SHA256_Update(&sha256, buffer, bytesRead);
683 SHA256_Final(hash, &sha256);
685 std::stringstream ss;
686 for (int i = 0; i < SHA256_DIGEST_LENGTH; i++) {
687 ss << std::hex << std::setw(2) << std::setfill('0') << (int)hash[i];
697 int pkgmgrGetPkgInfo(const std::string& pkgId, pkgmgrinfo_pkginfo_h* handle)
702 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
703 _ERR("Failed to get UID");
707 ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(pkgId.c_str(), uid, handle);
708 if (ret != PMINFO_R_OK) {
709 _ERR("Failed to get pkginfo (%d)", ret);
716 int pkgmgrGetAppInfo(const std::string& appId, pkgmgrinfo_appinfo_h* handle)
721 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
722 _ERR("Failed to get UID");
726 ret = pkgmgrinfo_appinfo_get_usr_appinfo(appId.c_str(), uid, handle);
727 if (ret != PMINFO_R_OK) {
728 _ERR("Failed to get appinfo (%d)", ret);
735 int pkgmgrMDFilterForeach(pkgmgrinfo_appinfo_metadata_filter_h handle,
736 pkgmgrinfo_app_list_cb app_cb,
742 if (pkgmgr_installer_info_get_target_uid(&uid) < 0) {
743 _ERR("Failed to get UID");
748 ret = pkgmgrinfo_appinfo_usr_metadata_filter_foreach(handle, app_cb, user_data, uid);
749 if (ret != PMINFO_R_OK) {
750 _ERR("Failed to execute the metadata filter query (%d)", ret);