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author | Tianjie Xu <xunchang@google.com> | 2017-05-31 23:54:18 +0200 |
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committer | android-build-merger <android-build-merger@google.com> | 2017-05-31 23:54:18 +0200 |
commit | 49f9c969eb9efe48ae8e5770767dc3a817e1bb8d (patch) | |
tree | 90e9a4b87ce3ecec7f05fb1bd0a5d75d39ab2674 /otautil/ZipUtil.cpp | |
parent | Merge "Implement a custom deflate sink function for bspatch" (diff) | |
parent | Merge "kill package_extract_dir" (diff) | |
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Diffstat (limited to 'otautil/ZipUtil.cpp')
-rw-r--r-- | otautil/ZipUtil.cpp | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/otautil/ZipUtil.cpp b/otautil/ZipUtil.cpp deleted file mode 100644 index 9cc97e499..000000000 --- a/otautil/ZipUtil.cpp +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (C) 2016 The Android Open Source Project - * - * 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 "ZipUtil.h" - -#include <errno.h> -#include <fcntl.h> -#include <utime.h> - -#include <string> - -#include <android-base/logging.h> -#include <android-base/unique_fd.h> -#include <selinux/label.h> -#include <selinux/selinux.h> -#include <ziparchive/zip_archive.h> - -#include "DirUtil.h" - -static constexpr mode_t UNZIP_DIRMODE = 0755; -static constexpr mode_t UNZIP_FILEMODE = 0644; - -bool ExtractPackageRecursive(ZipArchiveHandle zip, const std::string& zip_path, - const std::string& dest_path, const struct utimbuf* timestamp, - struct selabel_handle* sehnd) { - if (!zip_path.empty() && zip_path[0] == '/') { - LOG(ERROR) << "ExtractPackageRecursive(): zip_path must be a relative path " << zip_path; - return false; - } - if (dest_path.empty() || dest_path[0] != '/') { - LOG(ERROR) << "ExtractPackageRecursive(): dest_path must be an absolute path " << dest_path; - return false; - } - - void* cookie; - std::string target_dir(dest_path); - if (dest_path.back() != '/') { - target_dir += '/'; - } - std::string prefix_path(zip_path); - if (!zip_path.empty() && zip_path.back() != '/') { - prefix_path += '/'; - } - const ZipString zip_prefix(prefix_path.c_str()); - - int ret = StartIteration(zip, &cookie, &zip_prefix, nullptr); - if (ret != 0) { - LOG(ERROR) << "failed to start iterating zip entries."; - return false; - } - - std::unique_ptr<void, decltype(&EndIteration)> guard(cookie, EndIteration); - ZipEntry entry; - ZipString name; - int extractCount = 0; - while (Next(cookie, &entry, &name) == 0) { - std::string entry_name(name.name, name.name + name.name_length); - CHECK_LE(prefix_path.size(), entry_name.size()); - std::string path = target_dir + entry_name.substr(prefix_path.size()); - // Skip dir. - if (path.back() == '/') { - continue; - } - - if (dirCreateHierarchy(path.c_str(), UNZIP_DIRMODE, timestamp, true, sehnd) != 0) { - LOG(ERROR) << "failed to create dir for " << path; - return false; - } - - char *secontext = NULL; - if (sehnd) { - selabel_lookup(sehnd, &secontext, path.c_str(), UNZIP_FILEMODE); - setfscreatecon(secontext); - } - android::base::unique_fd fd(open(path.c_str(), O_CREAT|O_WRONLY|O_TRUNC, UNZIP_FILEMODE)); - if (fd == -1) { - PLOG(ERROR) << "Can't create target file \"" << path << "\""; - return false; - } - if (secontext) { - freecon(secontext); - setfscreatecon(NULL); - } - - int err = ExtractEntryToFile(zip, &entry, fd); - if (err != 0) { - LOG(ERROR) << "Error extracting \"" << path << "\" : " << ErrorCodeString(err); - return false; - } - - if (fsync(fd) != 0) { - PLOG(ERROR) << "Error syncing file descriptor when extracting \"" << path << "\""; - return false; - } - - if (timestamp != nullptr && utime(path.c_str(), timestamp)) { - PLOG(ERROR) << "Error touching \"" << path << "\""; - return false; - } - - LOG(INFO) << "Extracted file \"" << path << "\""; - ++extractCount; - } - - LOG(INFO) << "Extracted " << extractCount << " file(s)"; - return true; -} |