1 /* 2 ** 3 ** Copyright 2008, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #define LOG_TAG "installd" 19 20 #include <stdio.h> 21 #include <stdlib.h> 22 #include <sys/stat.h> 23 #include <dirent.h> 24 #include <unistd.h> 25 #include <ctype.h> 26 #include <fcntl.h> 27 #include <errno.h> 28 #include <utime.h> 29 #include <sys/socket.h> 30 #include <sys/types.h> 31 #include <sys/wait.h> 32 33 #include <cutils/sockets.h> 34 #include <cutils/log.h> 35 #include <cutils/properties.h> 36 37 #include <private/android_filesystem_config.h> 38 39 #if INCLUDE_SYS_MOUNT_FOR_STATFS 40 #include <sys/mount.h> 41 #else 42 #include <sys/statfs.h> 43 #endif 44 45 #define SOCKET_PATH "installd" 46 47 48 /* elements combined with a valid package name to form paths */ 49 50 #define PKG_DIR_PREFIX "/data/data/" 51 #define PKG_DIR_POSTFIX "" 52 53 #define PKG_LIB_PREFIX "/data/data/" 54 #define PKG_LIB_POSTFIX "/lib" 55 56 #define CACHE_DIR_PREFIX "/data/data/" 57 #define CACHE_DIR_POSTFIX "/cache" 58 59 #define APK_DIR_PREFIX "/data/app/" 60 61 /* other handy constants */ 62 63 #define PROTECTED_DIR_PREFIX "/data/app-private/" 64 #define SDCARD_DIR_PREFIX getenv("ASEC_MOUNTPOINT") 65 66 #define DALVIK_CACHE_PREFIX "/data/dalvik-cache/" 67 #define DALVIK_CACHE_POSTFIX "/classes.dex" 68 69 #define UPDATE_COMMANDS_DIR_PREFIX "/system/etc/updatecmds/" 70 71 #define PKG_NAME_MAX 128 /* largest allowed package name */ 72 #define PKG_PATH_MAX 256 /* max size of any path we use */ 73 74 75 /* util.c */ 76 77 int create_pkg_path(char path[PKG_PATH_MAX], 78 const char *prefix, 79 const char *pkgname, 80 const char *postfix); 81 82 int create_cache_path(char path[PKG_PATH_MAX], const char *src); 83 84 int delete_dir_contents(const char *pathname, 85 int also_delete_dir, 86 const char *ignore); 87 88 int delete_dir_contents_fd(int dfd, const char *name); 89 90 /* commands.c */ 91 92 int install(const char *pkgname, uid_t uid, gid_t gid); 93 int uninstall(const char *pkgname); 94 int renamepkg(const char *oldpkgname, const char *newpkgname); 95 int delete_user_data(const char *pkgname); 96 int delete_cache(const char *pkgname); 97 int move_dex(const char *src, const char *dst); 98 int rm_dex(const char *path); 99 int protect(char *pkgname, gid_t gid); 100 int get_size(const char *pkgname, const char *apkpath, const char *fwdlock_apkpath, 101 int *codesize, int *datasize, int *cachesize); 102 int free_cache(int free_size); 103 int dexopt(const char *apk_path, uid_t uid, int is_public); 104 int movefiles(); 105