1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* This file is used to define the properties of the filesystem 18 ** images generated by build tools (mkbootfs and mkyaffs2image) and 19 ** by the device side of adb. 20 */ 21 22 #ifndef _ANDROID_FILESYSTEM_CONFIG_H_ 23 #define _ANDROID_FILESYSTEM_CONFIG_H_ 24 25 #include <sys/cdefs.h> 26 #include <sys/types.h> 27 #include <stdint.h> 28 29 #ifdef HAVE_ANDROID_OS 30 #include <linux/capability.h> 31 #else 32 #include "android_filesystem_capability.h" 33 #endif 34 35 /* This is the master Users and Groups config for the platform. 36 * DO NOT EVER RENUMBER 37 */ 38 39 #define AID_ROOT 0 /* traditional unix root user */ 40 41 #define AID_SYSTEM 1000 /* system server */ 42 43 #define AID_RADIO 1001 /* telephony subsystem, RIL */ 44 #define AID_BLUETOOTH 1002 /* bluetooth subsystem */ 45 #define AID_GRAPHICS 1003 /* graphics devices */ 46 #define AID_INPUT 1004 /* input devices */ 47 #define AID_AUDIO 1005 /* audio devices */ 48 #define AID_CAMERA 1006 /* camera devices */ 49 #define AID_LOG 1007 /* log devices */ 50 #define AID_COMPASS 1008 /* compass device */ 51 #define AID_MOUNT 1009 /* mountd socket */ 52 #define AID_WIFI 1010 /* wifi subsystem */ 53 #define AID_ADB 1011 /* android debug bridge (adbd) */ 54 #define AID_INSTALL 1012 /* group for installing packages */ 55 #define AID_MEDIA 1013 /* mediaserver process */ 56 #define AID_DHCP 1014 /* dhcp client */ 57 #define AID_SDCARD_RW 1015 /* external storage write access */ 58 #define AID_VPN 1016 /* vpn system */ 59 #define AID_KEYSTORE 1017 /* keystore subsystem */ 60 #define AID_USB 1018 /* USB devices */ 61 #define AID_DRM 1019 /* DRM server */ 62 #define AID_MDNSR 1020 /* MulticastDNSResponder (service discovery) */ 63 #define AID_GPS 1021 /* GPS daemon */ 64 #define AID_UNUSED1 1022 /* deprecated, DO NOT USE */ 65 #define AID_MEDIA_RW 1023 /* internal media storage write access */ 66 #define AID_MTP 1024 /* MTP USB driver access */ 67 #define AID_UNUSED2 1025 /* deprecated, DO NOT USE */ 68 #define AID_DRMRPC 1026 /* group for drm rpc */ 69 #define AID_NFC 1027 /* nfc subsystem */ 70 #define AID_SDCARD_R 1028 /* external storage read access */ 71 #define AID_CLAT 1029 /* clat part of nat464 */ 72 #define AID_LOOP_RADIO 1030 /* loop radio devices */ 73 #define AID_MEDIA_DRM 1031 /* MediaDrm plugins */ 74 #define AID_PACKAGE_INFO 1032 /* access to installed package details */ 75 #define AID_SDCARD_PICS 1033 /* external storage photos access */ 76 #define AID_SDCARD_AV 1034 /* external storage audio/video access */ 77 #define AID_SDCARD_ALL 1035 /* access all users external storage */ 78 #define AID_LOGD 1036 /* log daemon */ 79 #define AID_SHARED_RELRO 1037 /* creator of shared GNU RELRO files */ 80 81 #define AID_SHELL 2000 /* adb and debug shell user */ 82 #define AID_CACHE 2001 /* cache access */ 83 #define AID_DIAG 2002 /* access to diagnostic resources */ 84 85 /* The range 2900-2999 is reserved for OEM, and must never be 86 * used here */ 87 #define AID_OEM_RESERVED_START 2900 88 #define AID_OEM_RESERVED_END 2999 89 90 /* The 3000 series are intended for use as supplemental group id's only. 91 * They indicate special Android capabilities that the kernel is aware of. */ 92 #define AID_NET_BT_ADMIN 3001 /* bluetooth: create any socket */ 93 #define AID_NET_BT 3002 /* bluetooth: create sco, rfcomm or l2cap sockets */ 94 #define AID_INET 3003 /* can create AF_INET and AF_INET6 sockets */ 95 #define AID_NET_RAW 3004 /* can create raw INET sockets */ 96 #define AID_NET_ADMIN 3005 /* can configure interfaces and routing tables. */ 97 #define AID_NET_BW_STATS 3006 /* read bandwidth statistics */ 98 #define AID_NET_BW_ACCT 3007 /* change bandwidth statistics accounting */ 99 #define AID_NET_BT_STACK 3008 /* bluetooth: access config files */ 100 101 #define AID_EVERYBODY 9997 /* shared between all apps in the same profile */ 102 #define AID_MISC 9998 /* access to misc storage */ 103 #define AID_NOBODY 9999 104 105 #define AID_APP 10000 /* first app user */ 106 107 #define AID_ISOLATED_START 99000 /* start of uids for fully isolated sandboxed processes */ 108 #define AID_ISOLATED_END 99999 /* end of uids for fully isolated sandboxed processes */ 109 110 #define AID_USER 100000 /* offset for uid ranges for each user */ 111 112 #define AID_SHARED_GID_START 50000 /* start of gids for apps in each user to share */ 113 #define AID_SHARED_GID_END 59999 /* start of gids for apps in each user to share */ 114 115 #if !defined(EXCLUDE_FS_CONFIG_STRUCTURES) 116 /* 117 * Used in: 118 * bionic/libc/bionic/stubs.cpp 119 * external/libselinux/src/android.c 120 * system/core/logd/LogStatistics.cpp 121 * system/core/init/ueventd.cpp 122 * system/core/init/util.cpp 123 */ 124 struct android_id_info { 125 const char *name; 126 unsigned aid; 127 }; 128 129 static const struct android_id_info android_ids[] = { 130 { "root", AID_ROOT, }, 131 132 { "system", AID_SYSTEM, }, 133 134 { "radio", AID_RADIO, }, 135 { "bluetooth", AID_BLUETOOTH, }, 136 { "graphics", AID_GRAPHICS, }, 137 { "input", AID_INPUT, }, 138 { "audio", AID_AUDIO, }, 139 { "camera", AID_CAMERA, }, 140 { "log", AID_LOG, }, 141 { "compass", AID_COMPASS, }, 142 { "mount", AID_MOUNT, }, 143 { "wifi", AID_WIFI, }, 144 { "adb", AID_ADB, }, 145 { "install", AID_INSTALL, }, 146 { "media", AID_MEDIA, }, 147 { "dhcp", AID_DHCP, }, 148 { "sdcard_rw", AID_SDCARD_RW, }, 149 { "vpn", AID_VPN, }, 150 { "keystore", AID_KEYSTORE, }, 151 { "usb", AID_USB, }, 152 { "drm", AID_DRM, }, 153 { "mdnsr", AID_MDNSR, }, 154 { "gps", AID_GPS, }, 155 // AID_UNUSED1 156 { "media_rw", AID_MEDIA_RW, }, 157 { "mtp", AID_MTP, }, 158 // AID_UNUSED2 159 { "drmrpc", AID_DRMRPC, }, 160 { "nfc", AID_NFC, }, 161 { "sdcard_r", AID_SDCARD_R, }, 162 { "clat", AID_CLAT, }, 163 { "loop_radio", AID_LOOP_RADIO, }, 164 { "mediadrm", AID_MEDIA_DRM, }, 165 { "package_info", AID_PACKAGE_INFO, }, 166 { "sdcard_pics", AID_SDCARD_PICS, }, 167 { "sdcard_av", AID_SDCARD_AV, }, 168 { "sdcard_all", AID_SDCARD_ALL, }, 169 { "logd", AID_LOGD, }, 170 { "shared_relro", AID_SHARED_RELRO, }, 171 172 { "shell", AID_SHELL, }, 173 { "cache", AID_CACHE, }, 174 { "diag", AID_DIAG, }, 175 176 { "net_bt_admin", AID_NET_BT_ADMIN, }, 177 { "net_bt", AID_NET_BT, }, 178 { "inet", AID_INET, }, 179 { "net_raw", AID_NET_RAW, }, 180 { "net_admin", AID_NET_ADMIN, }, 181 { "net_bw_stats", AID_NET_BW_STATS, }, 182 { "net_bw_acct", AID_NET_BW_ACCT, }, 183 { "net_bt_stack", AID_NET_BT_STACK, }, 184 185 { "everybody", AID_EVERYBODY, }, 186 { "misc", AID_MISC, }, 187 { "nobody", AID_NOBODY, }, 188 }; 189 190 #define android_id_count \ 191 (sizeof(android_ids) / sizeof(android_ids[0])) 192 193 struct fs_path_config { 194 unsigned mode; 195 unsigned uid; 196 unsigned gid; 197 uint64_t capabilities; 198 const char *prefix; 199 }; 200 201 /* Rules for directories and files has moved to system/code/libcutils/fs_config.c */ 202 203 __BEGIN_DECLS 204 205 /* 206 * Used in: 207 * build/tools/fs_config/fs_config.c 208 * build/tools/fs_get_stats/fs_get_stats.c 209 * system/extras/ext4_utils/make_ext4fs_main.c 210 * external/squashfs-tools/squashfs-tools/android.c 211 * system/core/cpio/mkbootfs.c 212 * system/core/adb/file_sync_service.cpp 213 * system/extras/ext4_utils/canned_fs_config.c 214 */ 215 void fs_config(const char *path, int dir, const char *target_out_path, 216 unsigned *uid, unsigned *gid, unsigned *mode, uint64_t *capabilities); 217 218 ssize_t fs_config_generate(char *buffer, size_t length, const struct fs_path_config *pc); 219 220 __END_DECLS 221 222 #endif 223 #endif 224
