installd.h revision 5b1ada2562c17921adf6a62ea62bcb445160983c
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2008, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "installd" 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdio.h> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdlib.h> 223e319a9962434e1fae86b2180ad210170f02c152Kenny Root#include <stdint.h> 233e319a9962434e1fae86b2180ad210170f02c152Kenny Root#include <inttypes.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/stat.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <unistd.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ctype.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <errno.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utime.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/socket.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/wait.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/sockets.h> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/log.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/properties.h> 385b1ada2562c17921adf6a62ea62bcb445160983cJeff Sharkey#include <cutils/multiuser.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <private/android_filesystem_config.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if INCLUDE_SYS_MOUNT_FOR_STATFS 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/mount.h> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/statfs.h> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define SOCKET_PATH "installd" 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* elements combined with a valid package name to form paths */ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5386c9584559439504fc57ece2ccd9b6cbd568430cKenny Root#define PRIMARY_USER_PREFIX "data/" 5486c9584559439504fc57ece2ccd9b6cbd568430cKenny Root#define SECONDARY_USER_PREFIX "user/" 5586c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define PKG_DIR_POSTFIX "" 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define PKG_LIB_POSTFIX "/lib" 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define CACHE_DIR_POSTFIX "/cache" 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6286c9584559439504fc57ece2ccd9b6cbd568430cKenny Root#define APP_SUBDIR "app/" // sub-directory under ANDROID_DATA 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn#define MEDIA_SUBDIR "media/" // sub-directory under ANDROID_DATA 65197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* other handy constants */ 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6886c9584559439504fc57ece2ccd9b6cbd568430cKenny Root#define PRIVATE_APP_SUBDIR "app-private/" // sub-directory under ANDROID_DATA 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7086c9584559439504fc57ece2ccd9b6cbd568430cKenny Root#define DALVIK_CACHE_PREFIX "/data/dalvik-cache/" 7186c9584559439504fc57ece2ccd9b6cbd568430cKenny Root#define DALVIK_CACHE_POSTFIX "/classes.dex" 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 73b858dfda5012a1040927ed62c3bb856c3294d882Dianne Hackborn#define UPDATE_COMMANDS_DIR_PREFIX "/system/etc/updatecmds/" 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define PKG_NAME_MAX 128 /* largest allowed package name */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define PKG_PATH_MAX 256 /* max size of any path we use */ 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78742a67127366c376fdf188ff99ba30b27d3bf90cAmith Yamasani#define PER_USER_RANGE ((uid_t)100000) /* range of uids per user 79742a67127366c376fdf188ff99ba30b27d3bf90cAmith Yamasani uid = persona * PER_USER_RANGE + appid */ 80742a67127366c376fdf188ff99ba30b27d3bf90cAmith Yamasani 8186c9584559439504fc57ece2ccd9b6cbd568430cKenny Root/* data structures */ 8286c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 8386c9584559439504fc57ece2ccd9b6cbd568430cKenny Roottypedef struct { 8486c9584559439504fc57ece2ccd9b6cbd568430cKenny Root char* path; 8586c9584559439504fc57ece2ccd9b6cbd568430cKenny Root size_t len; 8686c9584559439504fc57ece2ccd9b6cbd568430cKenny Root} dir_rec_t; 8786c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 8886c9584559439504fc57ece2ccd9b6cbd568430cKenny Roottypedef struct { 8986c9584559439504fc57ece2ccd9b6cbd568430cKenny Root size_t count; 9086c9584559439504fc57ece2ccd9b6cbd568430cKenny Root dir_rec_t* dirs; 9186c9584559439504fc57ece2ccd9b6cbd568430cKenny Root} dir_rec_array_t; 9286c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 9386c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootextern dir_rec_t android_app_dir; 9486c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootextern dir_rec_t android_app_private_dir; 9586c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootextern dir_rec_t android_data_dir; 9686c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootextern dir_rec_t android_asec_dir; 97197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackbornextern dir_rec_t android_media_dir; 9886c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootextern dir_rec_array_t android_system_dirs; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 100197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborntypedef struct cache_dir_struct { 101197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn struct cache_dir_struct* parent; 102197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn int32_t childCount; 103197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn int32_t hiddenCount; 104197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn int32_t deleted; 105197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn char name[]; 106197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn} cache_dir_t; 107197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 108197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborntypedef struct { 109197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn cache_dir_t* dir; 110197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn time_t modTime; 111197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn char name[]; 112197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn} cache_file_t; 113197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 114197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborntypedef struct { 115197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn size_t numDirs; 116197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn size_t availDirs; 117197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn cache_dir_t** dirs; 118197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn size_t numFiles; 119197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn size_t availFiles; 120197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn cache_file_t** files; 121197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn size_t numCollected; 122197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn void* memBlocks; 123197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn int8_t* curMemBlockAvail; 124197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn int8_t* curMemBlockEnd; 125197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn} cache_t; 126197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* util.c */ 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12986c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint create_pkg_path_in_dir(char path[PKG_PATH_MAX], 13086c9584559439504fc57ece2ccd9b6cbd568430cKenny Root const dir_rec_t* dir, 13186c9584559439504fc57ece2ccd9b6cbd568430cKenny Root const char* pkgname, 13286c9584559439504fc57ece2ccd9b6cbd568430cKenny Root const char* postfix); 13386c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint create_pkg_path(char path[PKG_PATH_MAX], 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *pkgname, 13686c9584559439504fc57ece2ccd9b6cbd568430cKenny Root const char *postfix, 13786c9584559439504fc57ece2ccd9b6cbd568430cKenny Root uid_t persona); 13886c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 1390b285499db739ba50f2f839d633e763c70e67f96Amith Yamasaniint create_persona_path(char path[PKG_PATH_MAX], 1400b285499db739ba50f2f839d633e763c70e67f96Amith Yamasani uid_t persona); 1410b285499db739ba50f2f839d633e763c70e67f96Amith Yamasani 1425b1ada2562c17921adf6a62ea62bcb445160983cJeff Sharkeyint create_persona_media_path(char path[PKG_PATH_MAX], userid_t userid); 1435b1ada2562c17921adf6a62ea62bcb445160983cJeff Sharkey 144ad757e9b36d6bc6b8e39be00612d0e60863aaafcKenny Rootint create_move_path(char path[PKG_PATH_MAX], 145ad757e9b36d6bc6b8e39be00612d0e60863aaafcKenny Root const char* pkgname, 146ad757e9b36d6bc6b8e39be00612d0e60863aaafcKenny Root const char* leaf, 147ad757e9b36d6bc6b8e39be00612d0e60863aaafcKenny Root uid_t persona); 148ad757e9b36d6bc6b8e39be00612d0e60863aaafcKenny Root 14986c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint is_valid_package_name(const char* pkgname); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint create_cache_path(char path[PKG_PATH_MAX], const char *src); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint delete_dir_contents(const char *pathname, 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int also_delete_dir, 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *ignore); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint delete_dir_contents_fd(int dfd, const char *name); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 159197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackbornint lookup_media_dir(char basepath[PATH_MAX], const char *dir); 160197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 161197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackbornint64_t data_disk_free(); 162197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 163197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborncache_t* start_cache_collection(); 164197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 165197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackbornvoid add_cache_files(cache_t* cache, const char *basepath, const char *cachedir); 166197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 167197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackbornvoid clear_cache_files(cache_t* cache, int64_t free_size); 168197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 169197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackbornvoid finish_cache_collection(cache_t* cache); 170197a0c82a1fbf337ec0a85d36b6b89c3d6e8a0acDianne Hackborn 17186c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint validate_system_app_path(const char* path); 17286c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 17386c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint get_path_from_env(dir_rec_t* rec, const char* var); 17486c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 17586c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint get_path_from_string(dir_rec_t* rec, const char* path); 17686c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 17786c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint copy_and_append(dir_rec_t* dst, const dir_rec_t* src, const char* suffix); 17886c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 17986c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint validate_apk_path(const char *path); 18086c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 18186c9584559439504fc57ece2ccd9b6cbd568430cKenny Rootint append_and_increment(char** dst, const char* src, size_t* dst_size); 18286c9584559439504fc57ece2ccd9b6cbd568430cKenny Root 1830b285499db739ba50f2f839d633e763c70e67f96Amith Yamasanichar *build_string2(char *s1, char *s2); 1840b285499db739ba50f2f839d633e763c70e67f96Amith Yamasanichar *build_string3(char *s1, char *s2, char *s3); 1850b285499db739ba50f2f839d633e763c70e67f96Amith Yamasani 1865b1ada2562c17921adf6a62ea62bcb445160983cJeff Sharkeyint ensure_dir(const char* path, mode_t mode, uid_t uid, gid_t gid); 1875b1ada2562c17921adf6a62ea62bcb445160983cJeff Sharkey 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* commands.c */ 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19035ab3ad61fcc349380d7e7f2fcf9a0dfbf76ae11Kenny Rootint install(const char *pkgname, uid_t uid, gid_t gid); 1910b285499db739ba50f2f839d633e763c70e67f96Amith Yamasaniint uninstall(const char *pkgname, uid_t persona); 19235ab3ad61fcc349380d7e7f2fcf9a0dfbf76ae11Kenny Rootint renamepkg(const char *oldpkgname, const char *newpkgname); 193d0c5f515c05d05c9d24971695337daf9d6ce409cDianne Hackbornint fix_uid(const char *pkgname, uid_t uid, gid_t gid); 1940b285499db739ba50f2f839d633e763c70e67f96Amith Yamasaniint delete_user_data(const char *pkgname, uid_t persona); 1950b285499db739ba50f2f839d633e763c70e67f96Amith Yamasaniint make_user_data(const char *pkgname, uid_t uid, uid_t persona); 1960b285499db739ba50f2f839d633e763c70e67f96Amith Yamasaniint delete_persona(uid_t persona); 197742a67127366c376fdf188ff99ba30b27d3bf90cAmith Yamasaniint clone_persona_data(uid_t src_persona, uid_t target_persona, int copy); 19835ab3ad61fcc349380d7e7f2fcf9a0dfbf76ae11Kenny Rootint delete_cache(const char *pkgname); 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint move_dex(const char *src, const char *dst); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint rm_dex(const char *path); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint protect(char *pkgname, gid_t gid); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint get_size(const char *pkgname, const char *apkpath, const char *fwdlock_apkpath, 203292f8bc9d1b790ab975a87a842c7fabc908b97e0Dianne Hackborn const char *asecpath, int64_t *codesize, int64_t *datasize, int64_t *cachesize, 204292f8bc9d1b790ab975a87a842c7fabc908b97e0Dianne Hackborn int64_t *asecsize); 2053e319a9962434e1fae86b2180ad210170f02c152Kenny Rootint free_cache(int64_t free_size); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint dexopt(const char *apk_path, uid_t uid, int is_public); 207b858dfda5012a1040927ed62c3bb856c3294d882Dianne Hackbornint movefiles(); 2086a6b007c77e5cab7ee435506a4f65824f52028b6Kenny Rootint linklib(const char* target, const char* source); 2096a6b007c77e5cab7ee435506a4f65824f52028b6Kenny Rootint unlinklib(const char* libPath); 210