installd.h revision 292f8bc9d1b790ab975a87a842c7fabc908b97e0
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 PRIMARY_USER_PREFIX "data/" 53#define SECONDARY_USER_PREFIX "user/" 54 55#define PKG_DIR_POSTFIX "" 56 57#define PKG_LIB_POSTFIX "/lib" 58 59#define CACHE_DIR_POSTFIX "/cache" 60 61#define APP_SUBDIR "app/" // sub-directory under ANDROID_DATA 62 63/* other handy constants */ 64 65#define PRIVATE_APP_SUBDIR "app-private/" // sub-directory under ANDROID_DATA 66 67#define DALVIK_CACHE_PREFIX "/data/dalvik-cache/" 68#define DALVIK_CACHE_POSTFIX "/classes.dex" 69 70#define UPDATE_COMMANDS_DIR_PREFIX "/system/etc/updatecmds/" 71 72#define PKG_NAME_MAX 128 /* largest allowed package name */ 73#define PKG_PATH_MAX 256 /* max size of any path we use */ 74 75/* data structures */ 76 77typedef struct { 78 char* path; 79 size_t len; 80} dir_rec_t; 81 82typedef struct { 83 size_t count; 84 dir_rec_t* dirs; 85} dir_rec_array_t; 86 87extern dir_rec_t android_app_dir; 88extern dir_rec_t android_app_private_dir; 89extern dir_rec_t android_data_dir; 90extern dir_rec_t android_asec_dir; 91extern dir_rec_array_t android_system_dirs; 92 93/* util.c */ 94 95int create_pkg_path_in_dir(char path[PKG_PATH_MAX], 96 const dir_rec_t* dir, 97 const char* pkgname, 98 const char* postfix); 99 100int create_pkg_path(char path[PKG_PATH_MAX], 101 const char *pkgname, 102 const char *postfix, 103 uid_t persona); 104 105int create_persona_path(char path[PKG_PATH_MAX], 106 uid_t persona); 107 108int is_valid_package_name(const char* pkgname); 109 110int create_cache_path(char path[PKG_PATH_MAX], const char *src); 111 112int delete_dir_contents(const char *pathname, 113 int also_delete_dir, 114 const char *ignore); 115 116int delete_dir_contents_fd(int dfd, const char *name); 117 118int validate_system_app_path(const char* path); 119 120int get_path_from_env(dir_rec_t* rec, const char* var); 121 122int get_path_from_string(dir_rec_t* rec, const char* path); 123 124int copy_and_append(dir_rec_t* dst, const dir_rec_t* src, const char* suffix); 125 126int validate_apk_path(const char *path); 127 128int append_and_increment(char** dst, const char* src, size_t* dst_size); 129 130char *build_string2(char *s1, char *s2); 131char *build_string3(char *s1, char *s2, char *s3); 132 133/* commands.c */ 134 135int install(const char *pkgname, uid_t uid, gid_t gid); 136int uninstall(const char *pkgname, uid_t persona); 137int renamepkg(const char *oldpkgname, const char *newpkgname); 138int delete_user_data(const char *pkgname, uid_t persona); 139int make_user_data(const char *pkgname, uid_t uid, uid_t persona); 140int delete_persona(uid_t persona); 141int delete_cache(const char *pkgname); 142int move_dex(const char *src, const char *dst); 143int rm_dex(const char *path); 144int protect(char *pkgname, gid_t gid); 145int get_size(const char *pkgname, const char *apkpath, const char *fwdlock_apkpath, 146 const char *asecpath, int64_t *codesize, int64_t *datasize, int64_t *cachesize, 147 int64_t *asecsize); 148int free_cache(int64_t free_size); 149int dexopt(const char *apk_path, uid_t uid, int is_public); 150int movefiles(); 151int linklib(const char* target, const char* source); 152int unlinklib(const char* libPath); 153