installd.h revision f62d2851a83f6976e22932e09c35013a6bb0c3f3
15fd6d3161cc7407718c7e230f94db421543273b8Kenny Root/* 25fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** 35fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** Copyright 2008, The Android Open Source Project 45fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** 55fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** Licensed under the Apache License, Version 2.0 (the "License"); 65fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** you may not use this file except in compliance with the License. 75fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** You may obtain a copy of the License at 85fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** 95fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** http://www.apache.org/licenses/LICENSE-2.0 105fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** 115fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** Unless required by applicable law or agreed to in writing, software 125fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** distributed under the License is distributed on an "AS IS" BASIS, 135fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** See the License for the specific language governing permissions and 155fd6d3161cc7407718c7e230f94db421543273b8Kenny Root** limitations under the License. 165fd6d3161cc7407718c7e230f94db421543273b8Kenny Root*/ 175fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 185fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define LOG_TAG "installd" 195fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 205fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <stdio.h> 215fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <stdlib.h> 225fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <stdint.h> 235fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <inttypes.h> 245fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <sys/stat.h> 255fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <dirent.h> 265fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <unistd.h> 275fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <ctype.h> 285fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <fcntl.h> 295fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <errno.h> 305fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <utime.h> 315fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <sys/socket.h> 325fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <sys/types.h> 335fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <sys/wait.h> 345fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 355fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <cutils/fs.h> 365fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <cutils/sockets.h> 375fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <cutils/log.h> 385fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <cutils/properties.h> 395fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <cutils/multiuser.h> 40e470637963d50a324984bd11da04a60fc6980c12Kenny Root 41e470637963d50a324984bd11da04a60fc6980c12Kenny Root#include <private/android_filesystem_config.h> 42e470637963d50a324984bd11da04a60fc6980c12Kenny Root 435fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#if INCLUDE_SYS_MOUNT_FOR_STATFS 44e470637963d50a324984bd11da04a60fc6980c12Kenny Root#include <sys/mount.h> 455fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#else 465fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#include <sys/statfs.h> 475fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#endif 485fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 495fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define SOCKET_PATH "installd" 505fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 515fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 525fd6d3161cc7407718c7e230f94db421543273b8Kenny Root/* elements combined with a valid package name to form paths */ 535fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 545fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define PRIMARY_USER_PREFIX "data/" 555fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define SECONDARY_USER_PREFIX "user/" 565fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 575fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define PKG_DIR_POSTFIX "" 585fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 595fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define PKG_LIB_POSTFIX "/lib" 605fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 615fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define CACHE_DIR_POSTFIX "/cache" 625fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 635fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define APP_SUBDIR "app/" // sub-directory under ANDROID_DATA 645fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 655fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define APP_LIB_SUBDIR "app-lib/" // sub-directory under ANDROID_DATA 665fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 675fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define MEDIA_SUBDIR "media/" // sub-directory under ANDROID_DATA 685fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 695fd6d3161cc7407718c7e230f94db421543273b8Kenny Root/* other handy constants */ 705fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 715fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define PRIVATE_APP_SUBDIR "app-private/" // sub-directory under ANDROID_DATA 725fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 735fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define DALVIK_CACHE_PREFIX "/data/dalvik-cache/" 745fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define DALVIK_CACHE_POSTFIX "/classes.dex" 755fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 765fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define UPDATE_COMMANDS_DIR_PREFIX "/system/etc/updatecmds/" 775fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 785fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define PKG_NAME_MAX 128 /* largest allowed package name */ 795fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define PKG_PATH_MAX 256 /* max size of any path we use */ 805fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 815fd6d3161cc7407718c7e230f94db421543273b8Kenny Root#define PER_USER_RANGE ((uid_t)100000) /* range of uids per user 825fd6d3161cc7407718c7e230f94db421543273b8Kenny Root uid = persona * PER_USER_RANGE + appid */ 835fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 845fd6d3161cc7407718c7e230f94db421543273b8Kenny Root/* data structures */ 855fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 865fd6d3161cc7407718c7e230f94db421543273b8Kenny Roottypedef struct { 875fd6d3161cc7407718c7e230f94db421543273b8Kenny Root char* path; 885fd6d3161cc7407718c7e230f94db421543273b8Kenny Root size_t len; 895fd6d3161cc7407718c7e230f94db421543273b8Kenny Root} dir_rec_t; 905fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 915fd6d3161cc7407718c7e230f94db421543273b8Kenny Roottypedef struct { 925fd6d3161cc7407718c7e230f94db421543273b8Kenny Root size_t count; 935fd6d3161cc7407718c7e230f94db421543273b8Kenny Root dir_rec_t* dirs; 945fd6d3161cc7407718c7e230f94db421543273b8Kenny Root} dir_rec_array_t; 955fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 965fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootextern dir_rec_t android_app_dir; 975fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootextern dir_rec_t android_app_private_dir; 985fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootextern dir_rec_t android_app_lib_dir; 995fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootextern dir_rec_t android_data_dir; 1005fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootextern dir_rec_t android_asec_dir; 1015fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootextern dir_rec_t android_media_dir; 1025fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootextern dir_rec_array_t android_system_dirs; 1035fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1045fd6d3161cc7407718c7e230f94db421543273b8Kenny Roottypedef struct cache_dir_struct { 1055fd6d3161cc7407718c7e230f94db421543273b8Kenny Root struct cache_dir_struct* parent; 1065fd6d3161cc7407718c7e230f94db421543273b8Kenny Root int32_t childCount; 1075fd6d3161cc7407718c7e230f94db421543273b8Kenny Root int32_t hiddenCount; 1085fd6d3161cc7407718c7e230f94db421543273b8Kenny Root int32_t deleted; 1095fd6d3161cc7407718c7e230f94db421543273b8Kenny Root char name[]; 1105fd6d3161cc7407718c7e230f94db421543273b8Kenny Root} cache_dir_t; 1115fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1125fd6d3161cc7407718c7e230f94db421543273b8Kenny Roottypedef struct { 1135fd6d3161cc7407718c7e230f94db421543273b8Kenny Root cache_dir_t* dir; 1145fd6d3161cc7407718c7e230f94db421543273b8Kenny Root time_t modTime; 1155fd6d3161cc7407718c7e230f94db421543273b8Kenny Root char name[]; 1165fd6d3161cc7407718c7e230f94db421543273b8Kenny Root} cache_file_t; 1175fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1185fd6d3161cc7407718c7e230f94db421543273b8Kenny Roottypedef struct { 1195fd6d3161cc7407718c7e230f94db421543273b8Kenny Root size_t numDirs; 1205fd6d3161cc7407718c7e230f94db421543273b8Kenny Root size_t availDirs; 1215fd6d3161cc7407718c7e230f94db421543273b8Kenny Root cache_dir_t** dirs; 1225fd6d3161cc7407718c7e230f94db421543273b8Kenny Root size_t numFiles; 1235fd6d3161cc7407718c7e230f94db421543273b8Kenny Root size_t availFiles; 1245fd6d3161cc7407718c7e230f94db421543273b8Kenny Root cache_file_t** files; 1255fd6d3161cc7407718c7e230f94db421543273b8Kenny Root size_t numCollected; 1265fd6d3161cc7407718c7e230f94db421543273b8Kenny Root void* memBlocks; 1275fd6d3161cc7407718c7e230f94db421543273b8Kenny Root int8_t* curMemBlockAvail; 1285fd6d3161cc7407718c7e230f94db421543273b8Kenny Root int8_t* curMemBlockEnd; 1295fd6d3161cc7407718c7e230f94db421543273b8Kenny Root} cache_t; 1305fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1315fd6d3161cc7407718c7e230f94db421543273b8Kenny Root/* util.c */ 1325fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1335fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint create_pkg_path_in_dir(char path[PKG_PATH_MAX], 1345fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const dir_rec_t* dir, 1355fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char* pkgname, 1365fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char* postfix); 1375fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1385fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint create_pkg_path(char path[PKG_PATH_MAX], 1395fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char *pkgname, 1405fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char *postfix, 1415fd6d3161cc7407718c7e230f94db421543273b8Kenny Root uid_t persona); 1425fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1435fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint create_persona_path(char path[PKG_PATH_MAX], 1445fd6d3161cc7407718c7e230f94db421543273b8Kenny Root uid_t persona); 1455fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1465fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint create_persona_media_path(char path[PKG_PATH_MAX], userid_t userid); 1475fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1485fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint create_move_path(char path[PKG_PATH_MAX], 1495fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char* pkgname, 1505fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char* leaf, 1515fd6d3161cc7407718c7e230f94db421543273b8Kenny Root uid_t persona); 1525fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1535fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint is_valid_package_name(const char* pkgname); 1545fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1555fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint create_cache_path(char path[PKG_PATH_MAX], const char *src); 1565fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1575fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint delete_dir_contents(const char *pathname, 1585fd6d3161cc7407718c7e230f94db421543273b8Kenny Root int also_delete_dir, 1595fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char *ignore); 1605fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1615fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint delete_dir_contents_fd(int dfd, const char *name); 1625fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1635fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint lookup_media_dir(char basepath[PATH_MAX], const char *dir); 1645fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1655fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint64_t data_disk_free(); 1665fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1675fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootcache_t* start_cache_collection(); 1685fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1695fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootvoid add_cache_files(cache_t* cache, const char *basepath, const char *cachedir); 1705fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1715fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootvoid clear_cache_files(cache_t* cache, int64_t free_size); 1725fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1735fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootvoid finish_cache_collection(cache_t* cache); 1745fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1755fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint validate_system_app_path(const char* path); 1765fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1775fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint get_path_from_env(dir_rec_t* rec, const char* var); 1785fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1795fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint get_path_from_string(dir_rec_t* rec, const char* path); 1805fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1815fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint copy_and_append(dir_rec_t* dst, const dir_rec_t* src, const char* suffix); 1825fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1835fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint validate_apk_path(const char *path); 1845fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1855fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint append_and_increment(char** dst, const char* src, size_t* dst_size); 1865fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1875fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootchar *build_string2(char *s1, char *s2); 1885fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootchar *build_string3(char *s1, char *s2, char *s3); 1895fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1905fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint ensure_dir(const char* path, mode_t mode, uid_t uid, gid_t gid); 1915fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint ensure_media_user_dirs(userid_t userid); 1925fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1935fd6d3161cc7407718c7e230f94db421543273b8Kenny Root/* commands.c */ 1945fd6d3161cc7407718c7e230f94db421543273b8Kenny Root 1955fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint install(const char *pkgname, uid_t uid, gid_t gid); 1965fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint uninstall(const char *pkgname, uid_t persona); 1975fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint renamepkg(const char *oldpkgname, const char *newpkgname); 1985fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint fix_uid(const char *pkgname, uid_t uid, gid_t gid); 1995fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint delete_user_data(const char *pkgname, uid_t persona); 2005fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint make_user_data(const char *pkgname, uid_t uid, uid_t persona); 2015fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint delete_persona(uid_t persona); 2025fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint delete_cache(const char *pkgname, uid_t persona); 2035fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint move_dex(const char *src, const char *dst); 2045fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint rm_dex(const char *path); 2055fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint protect(char *pkgname, gid_t gid); 2065fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint get_size(const char *pkgname, int persona, const char *apkpath, const char *fwdlock_apkpath, 2075fd6d3161cc7407718c7e230f94db421543273b8Kenny Root const char *asecpath, int64_t *codesize, int64_t *datasize, int64_t *cachesize, 2085fd6d3161cc7407718c7e230f94db421543273b8Kenny Root int64_t *asecsize); 2095fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint free_cache(int64_t free_size); 2105fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint dexopt(const char *apk_path, uid_t uid, int is_public); 2115fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint movefiles(); 2125fd6d3161cc7407718c7e230f94db421543273b8Kenny Rootint linklib(const char* target, const char* source, int userId); 2135fd6d3161cc7407718c7e230f94db421543273b8Kenny Root