158 lines
4.9 KiB
C++
158 lines
4.9 KiB
C++
/*
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**
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** Copyright 2008, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef UTILS_H_
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#define UTILS_H_
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#include <string>
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#include <vector>
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#include <dirent.h>
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#include <inttypes.h>
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#include <unistd.h>
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#include <utime.h>
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#include <cutils/multiuser.h>
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#include <installd_constants.h>
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namespace android {
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namespace installd {
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struct dir_rec_t;
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typedef struct cache_dir_struct {
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struct cache_dir_struct* parent;
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int32_t childCount;
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int32_t hiddenCount;
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int32_t deleted;
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char name[];
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} cache_dir_t;
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typedef struct {
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cache_dir_t* dir;
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time_t modTime;
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char name[];
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} cache_file_t;
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typedef struct {
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size_t numDirs;
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size_t availDirs;
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cache_dir_t** dirs;
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size_t numFiles;
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size_t availFiles;
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cache_file_t** files;
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size_t numCollected;
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void* memBlocks;
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int8_t* curMemBlockAvail;
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int8_t* curMemBlockEnd;
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} cache_t;
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constexpr const char* kXattrInodeCache = "user.inode_cache";
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constexpr const char* kXattrInodeCodeCache = "user.inode_code_cache";
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int create_pkg_path(char path[PKG_PATH_MAX],
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const char *pkgname,
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const char *postfix,
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userid_t userid);
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std::string create_data_path(const char* volume_uuid);
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std::string create_data_app_path(const char* volume_uuid);
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std::string create_data_app_package_path(const char* volume_uuid, const char* package_name);
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std::string create_data_user_ce_path(const char* volume_uuid, userid_t userid);
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std::string create_data_user_de_path(const char* volume_uuid, userid_t userid);
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std::string create_data_user_ce_package_path(const char* volume_uuid,
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userid_t user, const char* package_name);
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std::string create_data_user_ce_package_path(const char* volume_uuid,
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userid_t user, const char* package_name, ino_t ce_data_inode);
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std::string create_data_user_de_package_path(const char* volume_uuid,
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userid_t user, const char* package_name);
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std::string create_data_media_path(const char* volume_uuid, userid_t userid);
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std::string create_data_misc_legacy_path(userid_t userid);
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std::string create_data_user_profiles_path(userid_t userid);
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std::string create_data_user_profile_package_path(userid_t user, const char* package_name);
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std::string create_data_ref_profile_package_path(const char* package_name);
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std::vector<userid_t> get_known_users(const char* volume_uuid);
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int create_user_config_path(char path[PKG_PATH_MAX], userid_t userid);
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int create_move_path(char path[PKG_PATH_MAX],
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const char* pkgname,
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const char* leaf,
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userid_t userid);
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int is_valid_package_name(const char* pkgname);
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int delete_dir_contents(const std::string& pathname, bool ignore_if_missing = false);
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int delete_dir_contents_and_dir(const std::string& pathname, bool ignore_if_missing = false);
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int delete_dir_contents(const char *pathname,
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int also_delete_dir,
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int (*exclusion_predicate)(const char *name, const int is_dir),
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bool ignore_if_missing = false);
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int delete_dir_contents_fd(int dfd, const char *name);
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int copy_dir_files(const char *srcname, const char *dstname, uid_t owner, gid_t group);
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int64_t data_disk_free(const std::string& data_path);
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cache_t* start_cache_collection();
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int get_path_inode(const std::string& path, ino_t *inode);
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int write_path_inode(const std::string& parent, const char* name, const char* inode_xattr);
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std::string read_path_inode(const std::string& parent, const char* name, const char* inode_xattr);
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void add_cache_files(cache_t* cache, const std::string& data_path);
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void clear_cache_files(const std::string& data_path, cache_t* cache, int64_t free_size);
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void finish_cache_collection(cache_t* cache);
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int validate_system_app_path(const char* path);
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int get_path_from_env(dir_rec_t* rec, const char* var);
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int get_path_from_string(dir_rec_t* rec, const char* path);
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int copy_and_append(dir_rec_t* dst, const dir_rec_t* src, const char* suffix);
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int validate_apk_path(const char *path);
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int validate_apk_path_subdirs(const char *path);
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int append_and_increment(char** dst, const char* src, size_t* dst_size);
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char *build_string2(const char *s1, const char *s2);
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char *build_string3(const char *s1, const char *s2, const char *s3);
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int ensure_config_user_dirs(userid_t userid);
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int wait_child(pid_t pid);
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} // namespace installd
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} // namespace android
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#endif // UTILS_H_
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