installd.h revision 3e319a9962434e1fae86b2180ad210170f02c152 
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
86int create_pkg_path(char path[PKG_PATH_MAX],
87                    const char *prefix,
88                    const char *pkgname,
89                    const char *postfix);
90
91int create_cache_path(char path[PKG_PATH_MAX], const char *src);
92
93int delete_dir_contents(const char *pathname,
94                        int also_delete_dir,
95                        const char *ignore);
96
97int delete_dir_contents_fd(int dfd, const char *name);
98
99/* commands.c */
100
101int install(const char *pkgname, int encrypted_fs_flag, uid_t uid, gid_t gid);
102int uninstall(const char *pkgname, int encrypted_fs_flag);
103int renamepkg(const char *oldpkgname, const char *newpkgname, int encrypted_fs_flag);
104int delete_user_data(const char *pkgname, int encrypted_fs_flag);
105int delete_cache(const char *pkgname, int encrypted_fs_flag);
106int move_dex(const char *src, const char *dst);
107int rm_dex(const char *path);
108int protect(char *pkgname, gid_t gid);
109int 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);
111int free_cache(int64_t free_size);
112int dexopt(const char *apk_path, uid_t uid, int is_public);
113int movefiles();
114