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 <stdint.h> 23 #include <inttypes.h> 24 #include <sys/stat.h> 25 #include <dirent.h> 26 #include <unistd.h> 27 #include <ctype.h> 28 #include <fcntl.h> 29 #include <errno.h> 30 #include <utime.h> 31 #include <sys/socket.h> 32 #include <sys/types.h> 33 #include <sys/wait.h> 34 35 #include <cutils/sockets.h> 36 #include <cutils/log.h> 37 #include <cutils/properties.h> 38 39 #include <private/android_filesystem_config.h> 40 41 #if INCLUDE_SYS_MOUNT_FOR_STATFS 42 #include <sys/mount.h> 43 #else 44 #include <sys/statfs.h> 45 #endif 46 47 #define SOCKET_PATH "installd" 48 49 50 /* elements combined with a valid package name to form paths */ 51 52 #define PKG_DIR_PREFIX "/data/data/" 53 #define PKG_SEC_DIR_PREFIX "/data/secure/data/" 54 #define PKG_DIR_POSTFIX "" 55 56 #define PKG_LIB_PREFIX "/data/data/" 57 #define PKG_SEC_LIB_PREFIX "/data/secure/data/" 58 #define PKG_LIB_POSTFIX "/lib" 59 60 #define CACHE_DIR_PREFIX "/data/data/" 61 #define CACHE_SEC_DIR_PREFIX "/data/secure/data/" 62 #define CACHE_DIR_POSTFIX "/cache" 63 64 #define APK_DIR_PREFIX "/data/app/" 65 66 /* Encrypted File SYstems constants */ 67 #define USE_ENCRYPTED_FS 1 68 #define USE_UNENCRYPTED_FS 0 69 70 /* other handy constants */ 71 72 #define PROTECTED_DIR_PREFIX "/data/app-private/" 73 #define SDCARD_DIR_PREFIX getenv("ASEC_MOUNTPOINT") 74 75 #define DALVIK_CACHE_PREFIX "/data/dalvik-cache/" 76 #define DALVIK_CACHE_POSTFIX "/classes.dex" 77 78 #define UPDATE_COMMANDS_DIR_PREFIX "/system/etc/updatecmds/" 79 80 #define PKG_NAME_MAX 128 /* largest allowed package name */ 81 #define PKG_PATH_MAX 256 /* max size of any path we use */ 82 83 84 /* util.c */ 85 86 int create_pkg_path(char path[PKG_PATH_MAX], 87 const char *prefix, 88 const char *pkgname, 89 const char *postfix); 90 91 int create_cache_path(char path[PKG_PATH_MAX], const char *src); 92 93 int delete_dir_contents(const char *pathname, 94 int also_delete_dir, 95 const char *ignore); 96 97 int delete_dir_contents_fd(int dfd, const char *name); 98 99 /* commands.c */ 100 101 int install(const char *pkgname, int encrypted_fs_flag, uid_t uid, gid_t gid); 102 int uninstall(const char *pkgname, int encrypted_fs_flag); 103 int renamepkg(const char *oldpkgname, const char *newpkgname, int encrypted_fs_flag); 104 int delete_user_data(const char *pkgname, int encrypted_fs_flag); 105 int delete_cache(const char *pkgname, int encrypted_fs_flag); 106 int move_dex(const char *src, const char *dst); 107 int rm_dex(const char *path); 108 int protect(char *pkgname, gid_t gid); 109 int get_size(const char *pkgname, const char *apkpath, const char *fwdlock_apkpath, 110 int64_t *codesize, int64_t *datasize, int64_t *cachesize, int encrypted_fs_flag); 111 int free_cache(int64_t free_size); 112 int dexopt(const char *apk_path, uid_t uid, int is_public); 113 int movefiles(); 114 int linklib(const char* target, const char* source); 115 int unlinklib(const char* libPath); 116
