init.rc revision 465c8f307f4506afca18cfb0d88cce433117e613
1# Copyright (C) 2012 The Android Open Source Project 2# 3# IMPORTANT: Do not create world writable files or directories. 4# This is a common source of Android security bugs. 5# 6 7import /init.environ.rc 8import /init.usb.rc 9import /init.${ro.hardware}.rc 10import /vendor/etc/init/hw/init.${ro.hardware}.rc 11import /init.usb.configfs.rc 12import /init.${ro.zygote}.rc 13 14on early-init 15 # Set init and its forked children's oom_adj. 16 write /proc/1/oom_score_adj -1000 17 18 # Disable sysrq from keyboard 19 write /proc/sys/kernel/sysrq 0 20 21 # Set the security context of /adb_keys if present. 22 restorecon /adb_keys 23 24 # Shouldn't be necessary, but sdcard won't start without it. http://b/22568628. 25 mkdir /mnt 0775 root system 26 27 # Set the security context of /postinstall if present. 28 restorecon /postinstall 29 30 # Mount cgroup mount point for cpu accounting 31 mount cgroup none /acct nodev noexec nosuid cpuacct 32 mkdir /acct/uid 33 34 # root memory control cgroup, used by lmkd 35 mkdir /dev/memcg 0700 root system 36 mount cgroup none /dev/memcg nodev noexec nosuid memory 37 # app mem cgroups, used by activity manager, lmkd and zygote 38 mkdir /dev/memcg/apps/ 0755 system system 39 # cgroup for system_server and surfaceflinger 40 mkdir /dev/memcg/system 0550 system system 41 42 start ueventd 43 44on init 45 sysclktz 0 46 47 # Mix device-specific information into the entropy pool 48 copy /proc/cmdline /dev/urandom 49 copy /default.prop /dev/urandom 50 51 symlink /system/bin /bin 52 symlink /system/etc /etc 53 54 # Backward compatibility. 55 symlink /sys/kernel/debug /d 56 57 # Link /vendor to /system/vendor for devices without a vendor partition. 58 symlink /system/vendor /vendor 59 60 # Create energy-aware scheduler tuning nodes 61 mkdir /dev/stune 62 mount cgroup none /dev/stune nodev noexec nosuid schedtune 63 mkdir /dev/stune/foreground 64 mkdir /dev/stune/background 65 mkdir /dev/stune/top-app 66 mkdir /dev/stune/rt 67 chown system system /dev/stune 68 chown system system /dev/stune/foreground 69 chown system system /dev/stune/background 70 chown system system /dev/stune/top-app 71 chown system system /dev/stune/rt 72 chown system system /dev/stune/tasks 73 chown system system /dev/stune/foreground/tasks 74 chown system system /dev/stune/background/tasks 75 chown system system /dev/stune/top-app/tasks 76 chown system system /dev/stune/rt/tasks 77 chmod 0664 /dev/stune/tasks 78 chmod 0664 /dev/stune/foreground/tasks 79 chmod 0664 /dev/stune/background/tasks 80 chmod 0664 /dev/stune/top-app/tasks 81 chmod 0664 /dev/stune/rt/tasks 82 83 # Mount staging areas for devices managed by vold 84 # See storage config details at http://source.android.com/tech/storage/ 85 mount tmpfs tmpfs /mnt mode=0755,uid=0,gid=1000 86 restorecon_recursive /mnt 87 88 mount configfs none /config nodev noexec nosuid 89 chmod 0770 /config/sdcardfs 90 chown system package_info /config/sdcardfs 91 92 mkdir /mnt/secure 0700 root root 93 mkdir /mnt/secure/asec 0700 root root 94 mkdir /mnt/asec 0755 root system 95 mkdir /mnt/obb 0755 root system 96 mkdir /mnt/media_rw 0750 root media_rw 97 mkdir /mnt/user 0755 root root 98 mkdir /mnt/user/0 0755 root root 99 mkdir /mnt/expand 0771 system system 100 mkdir /mnt/appfuse 0711 root root 101 102 # Storage views to support runtime permissions 103 mkdir /mnt/runtime 0700 root root 104 mkdir /mnt/runtime/default 0755 root root 105 mkdir /mnt/runtime/default/self 0755 root root 106 mkdir /mnt/runtime/read 0755 root root 107 mkdir /mnt/runtime/read/self 0755 root root 108 mkdir /mnt/runtime/write 0755 root root 109 mkdir /mnt/runtime/write/self 0755 root root 110 111 # Symlink to keep legacy apps working in multi-user world 112 symlink /storage/self/primary /sdcard 113 symlink /storage/self/primary /mnt/sdcard 114 symlink /mnt/user/0/primary /mnt/runtime/default/self/primary 115 116 write /proc/sys/kernel/panic_on_oops 1 117 write /proc/sys/kernel/hung_task_timeout_secs 0 118 write /proc/cpu/alignment 4 119 120 # scheduler tunables 121 # Disable auto-scaling of scheduler tunables with hotplug. The tunables 122 # will vary across devices in unpredictable ways if allowed to scale with 123 # cpu cores. 124 write /proc/sys/kernel/sched_tunable_scaling 0 125 write /proc/sys/kernel/sched_latency_ns 10000000 126 write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000 127 write /proc/sys/kernel/sched_child_runs_first 0 128 129 write /proc/sys/kernel/randomize_va_space 2 130 write /proc/sys/vm/mmap_min_addr 32768 131 write /proc/sys/net/ipv4/ping_group_range "0 2147483647" 132 write /proc/sys/net/unix/max_dgram_qlen 600 133 write /proc/sys/kernel/sched_rt_runtime_us 950000 134 write /proc/sys/kernel/sched_rt_period_us 1000000 135 136 # Assign reasonable ceiling values for socket rcv/snd buffers. 137 # These should almost always be overridden by the target per the 138 # the corresponding technology maximums. 139 write /proc/sys/net/core/rmem_max 262144 140 write /proc/sys/net/core/wmem_max 262144 141 142 # reflect fwmark from incoming packets onto generated replies 143 write /proc/sys/net/ipv4/fwmark_reflect 1 144 write /proc/sys/net/ipv6/fwmark_reflect 1 145 146 # set fwmark on accepted sockets 147 write /proc/sys/net/ipv4/tcp_fwmark_accept 1 148 149 # disable icmp redirects 150 write /proc/sys/net/ipv4/conf/all/accept_redirects 0 151 write /proc/sys/net/ipv6/conf/all/accept_redirects 0 152 153 # /proc/net/fib_trie leaks interface IP addresses 154 chmod 0400 /proc/net/fib_trie 155 156 # Create cgroup mount points for process groups 157 mkdir /dev/cpuctl 158 mount cgroup none /dev/cpuctl nodev noexec nosuid cpu 159 chown system system /dev/cpuctl 160 chown system system /dev/cpuctl/tasks 161 chmod 0666 /dev/cpuctl/tasks 162 write /dev/cpuctl/cpu.rt_period_us 1000000 163 write /dev/cpuctl/cpu.rt_runtime_us 950000 164 165 # sets up initial cpusets for ActivityManager 166 mkdir /dev/cpuset 167 mount cpuset none /dev/cpuset nodev noexec nosuid 168 169 # this ensures that the cpusets are present and usable, but the device's 170 # init.rc must actually set the correct cpus 171 mkdir /dev/cpuset/foreground 172 copy /dev/cpuset/cpus /dev/cpuset/foreground/cpus 173 copy /dev/cpuset/mems /dev/cpuset/foreground/mems 174 mkdir /dev/cpuset/background 175 copy /dev/cpuset/cpus /dev/cpuset/background/cpus 176 copy /dev/cpuset/mems /dev/cpuset/background/mems 177 178 # system-background is for system tasks that should only run on 179 # little cores, not on bigs 180 # to be used only by init, so don't change system-bg permissions 181 mkdir /dev/cpuset/system-background 182 copy /dev/cpuset/cpus /dev/cpuset/system-background/cpus 183 copy /dev/cpuset/mems /dev/cpuset/system-background/mems 184 185 mkdir /dev/cpuset/top-app 186 copy /dev/cpuset/cpus /dev/cpuset/top-app/cpus 187 copy /dev/cpuset/mems /dev/cpuset/top-app/mems 188 189 # change permissions for all cpusets we'll touch at runtime 190 chown system system /dev/cpuset 191 chown system system /dev/cpuset/foreground 192 chown system system /dev/cpuset/background 193 chown system system /dev/cpuset/system-background 194 chown system system /dev/cpuset/top-app 195 chown system system /dev/cpuset/tasks 196 chown system system /dev/cpuset/foreground/tasks 197 chown system system /dev/cpuset/background/tasks 198 chown system system /dev/cpuset/system-background/tasks 199 chown system system /dev/cpuset/top-app/tasks 200 201 # set system-background to 0775 so SurfaceFlinger can touch it 202 chmod 0775 /dev/cpuset/system-background 203 204 chmod 0664 /dev/cpuset/foreground/tasks 205 chmod 0664 /dev/cpuset/background/tasks 206 chmod 0664 /dev/cpuset/system-background/tasks 207 chmod 0664 /dev/cpuset/top-app/tasks 208 chmod 0664 /dev/cpuset/tasks 209 210 211 # qtaguid will limit access to specific data based on group memberships. 212 # net_bw_acct grants impersonation of socket owners. 213 # net_bw_stats grants access to other apps' detailed tagged-socket stats. 214 chown root net_bw_acct /proc/net/xt_qtaguid/ctrl 215 chown root net_bw_stats /proc/net/xt_qtaguid/stats 216 217 # Allow everybody to read the xt_qtaguid resource tracking misc dev. 218 # This is needed by any process that uses socket tagging. 219 chmod 0644 /dev/xt_qtaguid 220 221 mkdir /dev/cg2_bpf 222 mount cgroup2 cg2_bpf /dev/cg2_bpf nodev noexec nosuid 223 chown root root /dev/cg2_bpf 224 chmod 0600 /dev/cg2_bpf 225 mount bpf bpf /sys/fs/bpf nodev noexec nosuid 226 227 # Create location for fs_mgr to store abbreviated output from filesystem 228 # checker programs. 229 mkdir /dev/fscklogs 0770 root system 230 231 # pstore/ramoops previous console log 232 mount pstore pstore /sys/fs/pstore nodev noexec nosuid 233 chown system log /sys/fs/pstore/console-ramoops 234 chmod 0440 /sys/fs/pstore/console-ramoops 235 chown system log /sys/fs/pstore/console-ramoops-0 236 chmod 0440 /sys/fs/pstore/console-ramoops-0 237 chown system log /sys/fs/pstore/pmsg-ramoops-0 238 chmod 0440 /sys/fs/pstore/pmsg-ramoops-0 239 240 # enable armv8_deprecated instruction hooks 241 write /proc/sys/abi/swp 1 242 243 # Linux's execveat() syscall may construct paths containing /dev/fd 244 # expecting it to point to /proc/self/fd 245 symlink /proc/self/fd /dev/fd 246 247 export DOWNLOAD_CACHE /data/cache 248 249 # set RLIMIT_NICE to allow priorities from 19 to -20 250 setrlimit nice 40 40 251 252 # Allow up to 32K FDs per process 253 setrlimit nofile 32768 32768 254 255 # This allows the ledtrig-transient properties to be created here so 256 # that they can be chown'd to system:system later on boot 257 write /sys/class/leds/vibrator/trigger "transient" 258 259# Healthd can trigger a full boot from charger mode by signaling this 260# property when the power button is held. 261on property:sys.boot_from_charger_mode=1 262 class_stop charger 263 trigger late-init 264 265on load_persist_props_action 266 load_persist_props 267 start logd 268 start logd-reinit 269 270# Indicate to fw loaders that the relevant mounts are up. 271on firmware_mounts_complete 272 rm /dev/.booting 273 274# Mount filesystems and start core system services. 275on late-init 276 trigger early-fs 277 278 # Mount fstab in init.{$device}.rc by mount_all command. Optional parameter 279 # '--early' can be specified to skip entries with 'latemount'. 280 # /system and /vendor must be mounted by the end of the fs stage, 281 # while /data is optional. 282 trigger fs 283 trigger post-fs 284 285 # Mount fstab in init.{$device}.rc by mount_all with '--late' parameter 286 # to only mount entries with 'latemount'. This is needed if '--early' is 287 # specified in the previous mount_all command on the fs stage. 288 # With /system mounted and properties form /system + /factory available, 289 # some services can be started. 290 trigger late-fs 291 292 # Now we can mount /data. File encryption requires keymaster to decrypt 293 # /data, which in turn can only be loaded when system properties are present. 294 trigger post-fs-data 295 296 # Now we can start zygote for devices with file based encryption 297 trigger zygote-start 298 299 # Load persist properties and override properties (if enabled) from /data. 300 trigger load_persist_props_action 301 302 # Remove a file to wake up anything waiting for firmware. 303 trigger firmware_mounts_complete 304 305 trigger early-boot 306 trigger boot 307 308on post-fs 309 # Load properties from 310 # /system/build.prop, 311 # /odm/build.prop, 312 # /vendor/build.prop and 313 # /factory/factory.prop 314 load_system_props 315 # start essential services 316 start logd 317 start servicemanager 318 start hwservicemanager 319 start vndservicemanager 320 321 # once everything is setup, no need to modify / 322 mount rootfs rootfs / ro remount 323 # Mount shared so changes propagate into child namespaces 324 mount rootfs rootfs / shared rec 325 # Mount default storage into root namespace 326 mount none /mnt/runtime/default /storage bind rec 327 mount none none /storage slave rec 328 329 # Make sure /sys/kernel/debug (if present) is labeled properly 330 # Note that tracefs may be mounted under debug, so we need to cross filesystems 331 restorecon --recursive --cross-filesystems /sys/kernel/debug 332 333 # We chown/chmod /cache again so because mount is run as root + defaults 334 chown system cache /cache 335 chmod 0770 /cache 336 # We restorecon /cache in case the cache partition has been reset. 337 restorecon_recursive /cache 338 339 # Create /cache/recovery in case it's not there. It'll also fix the odd 340 # permissions if created by the recovery system. 341 mkdir /cache/recovery 0770 system cache 342 343 # Backup/restore mechanism uses the cache partition 344 mkdir /cache/backup_stage 0700 system system 345 mkdir /cache/backup 0700 system system 346 347 #change permissions on vmallocinfo so we can grab it from bugreports 348 chown root log /proc/vmallocinfo 349 chmod 0440 /proc/vmallocinfo 350 351 chown root log /proc/slabinfo 352 chmod 0440 /proc/slabinfo 353 354 #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks 355 chown root system /proc/kmsg 356 chmod 0440 /proc/kmsg 357 chown root system /proc/sysrq-trigger 358 chmod 0220 /proc/sysrq-trigger 359 chown system log /proc/last_kmsg 360 chmod 0440 /proc/last_kmsg 361 362 # make the selinux kernel policy world-readable 363 chmod 0444 /sys/fs/selinux/policy 364 365 # create the lost+found directories, so as to enforce our permissions 366 mkdir /cache/lost+found 0770 root root 367 368on late-fs 369 # Ensure that tracefs has the correct permissions. 370 # This does not work correctly if it is called in post-fs. 371 chmod 0755 /sys/kernel/debug/tracing 372 373 # HALs required before storage encryption can get unlocked (FBE/FDE) 374 class_start early_hal 375 376on post-fs-data 377 # We chown/chmod /data again so because mount is run as root + defaults 378 chown system system /data 379 chmod 0771 /data 380 # We restorecon /data in case the userdata partition has been reset. 381 restorecon /data 382 383 # Make sure we have the device encryption key. 384 start vold 385 installkey /data 386 387 # Start bootcharting as soon as possible after the data partition is 388 # mounted to collect more data. 389 mkdir /data/bootchart 0755 shell shell 390 bootchart start 391 392 # Avoid predictable entropy pool. Carry over entropy from previous boot. 393 copy /data/system/entropy.dat /dev/urandom 394 395 # create basic filesystem structure 396 mkdir /data/misc 01771 system misc 397 mkdir /data/misc/recovery 0770 system log 398 copy /data/misc/recovery/ro.build.fingerprint /data/misc/recovery/ro.build.fingerprint.1 399 chmod 0440 /data/misc/recovery/ro.build.fingerprint.1 400 chown system log /data/misc/recovery/ro.build.fingerprint.1 401 write /data/misc/recovery/ro.build.fingerprint ${ro.build.fingerprint} 402 chmod 0440 /data/misc/recovery/ro.build.fingerprint 403 chown system log /data/misc/recovery/ro.build.fingerprint 404 mkdir /data/misc/recovery/proc 0770 system log 405 copy /data/misc/recovery/proc/version /data/misc/recovery/proc/version.1 406 chmod 0440 /data/misc/recovery/proc/version.1 407 chown system log /data/misc/recovery/proc/version.1 408 copy /proc/version /data/misc/recovery/proc/version 409 chmod 0440 /data/misc/recovery/proc/version 410 chown system log /data/misc/recovery/proc/version 411 mkdir /data/misc/bluedroid 02770 bluetooth bluetooth 412 # Fix the access permissions and group ownership for 'bt_config.conf' 413 chmod 0660 /data/misc/bluedroid/bt_config.conf 414 chown bluetooth bluetooth /data/misc/bluedroid/bt_config.conf 415 mkdir /data/misc/bluetooth 0770 bluetooth bluetooth 416 mkdir /data/misc/bluetooth/logs 0770 bluetooth bluetooth 417 mkdir /data/misc/keystore 0700 keystore keystore 418 mkdir /data/misc/gatekeeper 0700 system system 419 mkdir /data/misc/keychain 0771 system system 420 mkdir /data/misc/net 0750 root shell 421 mkdir /data/misc/radio 0770 system radio 422 mkdir /data/misc/sms 0770 system radio 423 mkdir /data/misc/carrierid 0770 system radio 424 mkdir /data/misc/zoneinfo 0775 system system 425 mkdir /data/misc/network_watchlist 0774 system system 426 mkdir /data/misc/textclassifier 0771 system system 427 mkdir /data/misc/vpn 0770 system vpn 428 mkdir /data/misc/shared_relro 0771 shared_relro shared_relro 429 mkdir /data/misc/systemkeys 0700 system system 430 mkdir /data/misc/wifi 0770 wifi wifi 431 mkdir /data/misc/wifi/sockets 0770 wifi wifi 432 mkdir /data/misc/wifi/wpa_supplicant 0770 wifi wifi 433 mkdir /data/misc/ethernet 0770 system system 434 mkdir /data/misc/dhcp 0770 dhcp dhcp 435 mkdir /data/misc/user 0771 root root 436 mkdir /data/misc/perfprofd 0775 root root 437 # give system access to wpa_supplicant.conf for backup and restore 438 chmod 0660 /data/misc/wifi/wpa_supplicant.conf 439 mkdir /data/local 0751 root root 440 mkdir /data/misc/media 0700 media media 441 mkdir /data/misc/audioserver 0700 audioserver audioserver 442 mkdir /data/misc/cameraserver 0700 cameraserver cameraserver 443 mkdir /data/misc/vold 0700 root root 444 mkdir /data/misc/boottrace 0771 system shell 445 mkdir /data/misc/update_engine 0700 root root 446 mkdir /data/misc/update_engine_log 02750 root log 447 mkdir /data/misc/trace 0700 root root 448 # create location to store surface and window trace files 449 mkdir /data/misc/wmtrace 0700 system system 450 # profile file layout 451 mkdir /data/misc/profiles 0771 system system 452 mkdir /data/misc/profiles/cur 0771 system system 453 mkdir /data/misc/profiles/ref 0771 system system 454 mkdir /data/misc/profman 0770 system shell 455 mkdir /data/misc/gcov 0770 root root 456 457 mkdir /data/vendor 0771 root root 458 mkdir /data/vendor_ce 0771 root root 459 mkdir /data/vendor_de 0771 root root 460 mkdir /data/vendor/hardware 0771 root root 461 462 # For security reasons, /data/local/tmp should always be empty. 463 # Do not place files or directories in /data/local/tmp 464 mkdir /data/local/tmp 0771 shell shell 465 mkdir /data/local/traces 0777 shell shell 466 mkdir /data/data 0771 system system 467 mkdir /data/app-private 0771 system system 468 mkdir /data/app-ephemeral 0771 system system 469 mkdir /data/app-asec 0700 root root 470 mkdir /data/app-lib 0771 system system 471 mkdir /data/app 0771 system system 472 mkdir /data/property 0700 root root 473 mkdir /data/tombstones 0771 system system 474 mkdir /data/vendor/tombstones 0771 root root 475 mkdir /data/vendor/tombstones/wifi 0771 wifi wifi 476 477 # create dalvik-cache, so as to enforce our permissions 478 mkdir /data/dalvik-cache 0771 root root 479 # create the A/B OTA directory, so as to enforce our permissions 480 mkdir /data/ota 0771 root root 481 482 # create the OTA package directory. It will be accessed by GmsCore (cache 483 # group), update_engine and update_verifier. 484 mkdir /data/ota_package 0770 system cache 485 486 # create resource-cache and double-check the perms 487 mkdir /data/resource-cache 0771 system system 488 chown system system /data/resource-cache 489 chmod 0771 /data/resource-cache 490 491 # create the lost+found directories, so as to enforce our permissions 492 mkdir /data/lost+found 0770 root root 493 494 # create directory for DRM plug-ins - give drm the read/write access to 495 # the following directory. 496 mkdir /data/drm 0770 drm drm 497 498 # create directory for MediaDrm plug-ins - give drm the read/write access to 499 # the following directory. 500 mkdir /data/mediadrm 0770 mediadrm mediadrm 501 502 mkdir /data/anr 0775 system system 503 504 # NFC: create data/nfc for nv storage 505 mkdir /data/nfc 0770 nfc nfc 506 mkdir /data/nfc/param 0770 nfc nfc 507 508 # Create all remaining /data root dirs so that they are made through init 509 # and get proper encryption policy installed 510 mkdir /data/backup 0700 system system 511 mkdir /data/ss 0700 system system 512 513 mkdir /data/system 0775 system system 514 mkdir /data/system/heapdump 0700 system system 515 mkdir /data/system/users 0775 system system 516 517 mkdir /data/system_de 0770 system system 518 mkdir /data/system_ce 0770 system system 519 520 mkdir /data/misc_de 01771 system misc 521 mkdir /data/misc_ce 01771 system misc 522 523 mkdir /data/user 0711 system system 524 mkdir /data/user_de 0711 system system 525 symlink /data/data /data/user/0 526 527 mkdir /data/media 0770 media_rw media_rw 528 mkdir /data/media/obb 0770 media_rw media_rw 529 530 mkdir /data/cache 0770 system cache 531 mkdir /data/cache/recovery 0770 system cache 532 mkdir /data/cache/backup_stage 0700 system system 533 mkdir /data/cache/backup 0700 system system 534 535 init_user0 536 537 # Set SELinux security contexts on upgrade or policy update. 538 restorecon --recursive --skip-ce /data 539 540 # Check any timezone data in /data is newer than the copy in /system, delete if not. 541 exec - system system -- /system/bin/tzdatacheck /system/usr/share/zoneinfo /data/misc/zoneinfo 542 543 # If there is no post-fs-data action in the init.<device>.rc file, you 544 # must uncomment this line, otherwise encrypted filesystems 545 # won't work. 546 # Set indication (checked by vold) that we have finished this action 547 #setprop vold.post_fs_data_done 1 548 549# It is recommended to put unnecessary data/ initialization from post-fs-data 550# to start-zygote in device's init.rc to unblock zygote start. 551on zygote-start && property:ro.crypto.state=unencrypted 552 # A/B update verifier that marks a successful boot. 553 exec_start update_verifier_nonencrypted 554 start netd 555 start zygote 556 start zygote_secondary 557 558on zygote-start && property:ro.crypto.state=unsupported 559 # A/B update verifier that marks a successful boot. 560 exec_start update_verifier_nonencrypted 561 start netd 562 start zygote 563 start zygote_secondary 564 565on zygote-start && property:ro.crypto.state=encrypted && property:ro.crypto.type=file 566 # A/B update verifier that marks a successful boot. 567 exec_start update_verifier_nonencrypted 568 start netd 569 start zygote 570 start zygote_secondary 571 572on boot 573 # basic network init 574 ifup lo 575 hostname localhost 576 domainname localdomain 577 578 # Memory management. Basic kernel parameters, and allow the high 579 # level system server to be able to adjust the kernel OOM driver 580 # parameters to match how it is managing things. 581 write /proc/sys/vm/overcommit_memory 1 582 write /proc/sys/vm/min_free_order_shift 4 583 chown root system /sys/module/lowmemorykiller/parameters/adj 584 chmod 0664 /sys/module/lowmemorykiller/parameters/adj 585 chown root system /sys/module/lowmemorykiller/parameters/minfree 586 chmod 0664 /sys/module/lowmemorykiller/parameters/minfree 587 588 # Tweak background writeout 589 write /proc/sys/vm/dirty_expire_centisecs 200 590 write /proc/sys/vm/dirty_background_ratio 5 591 592 # Permissions for System Server and daemons. 593 chown radio system /sys/android_power/state 594 chown radio system /sys/android_power/request_state 595 chown radio system /sys/android_power/acquire_full_wake_lock 596 chown radio system /sys/android_power/acquire_partial_wake_lock 597 chown radio system /sys/android_power/release_wake_lock 598 chown system system /sys/power/autosleep 599 chown system system /sys/power/state 600 chown system system /sys/power/wakeup_count 601 chown radio wakelock /sys/power/wake_lock 602 chown radio wakelock /sys/power/wake_unlock 603 chmod 0660 /sys/power/state 604 chmod 0660 /sys/power/wake_lock 605 chmod 0660 /sys/power/wake_unlock 606 607 chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_rate 608 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_rate 609 chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_slack 610 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_slack 611 chown system system /sys/devices/system/cpu/cpufreq/interactive/min_sample_time 612 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/min_sample_time 613 chown system system /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq 614 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq 615 chown system system /sys/devices/system/cpu/cpufreq/interactive/target_loads 616 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/target_loads 617 chown system system /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load 618 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load 619 chown system system /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay 620 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay 621 chown system system /sys/devices/system/cpu/cpufreq/interactive/boost 622 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost 623 chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse 624 chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost 625 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost 626 chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration 627 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration 628 chown system system /sys/devices/system/cpu/cpufreq/interactive/io_is_busy 629 chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/io_is_busy 630 631 # Assume SMP uses shared cpufreq policy for all CPUs 632 chown system system /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq 633 chmod 0660 /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq 634 635 chown system system /sys/class/leds/vibrator/trigger 636 chown system system /sys/class/leds/vibrator/activate 637 chown system system /sys/class/leds/vibrator/brightness 638 chown system system /sys/class/leds/vibrator/duration 639 chown system system /sys/class/leds/vibrator/state 640 chown system system /sys/class/timed_output/vibrator/enable 641 chown system system /sys/class/leds/keyboard-backlight/brightness 642 chown system system /sys/class/leds/lcd-backlight/brightness 643 chown system system /sys/class/leds/button-backlight/brightness 644 chown system system /sys/class/leds/jogball-backlight/brightness 645 chown system system /sys/class/leds/red/brightness 646 chown system system /sys/class/leds/green/brightness 647 chown system system /sys/class/leds/blue/brightness 648 chown system system /sys/class/leds/red/device/grpfreq 649 chown system system /sys/class/leds/red/device/grppwm 650 chown system system /sys/class/leds/red/device/blink 651 chown system system /sys/module/sco/parameters/disable_esco 652 chown system system /sys/kernel/ipv4/tcp_wmem_min 653 chown system system /sys/kernel/ipv4/tcp_wmem_def 654 chown system system /sys/kernel/ipv4/tcp_wmem_max 655 chown system system /sys/kernel/ipv4/tcp_rmem_min 656 chown system system /sys/kernel/ipv4/tcp_rmem_def 657 chown system system /sys/kernel/ipv4/tcp_rmem_max 658 chown root radio /proc/cmdline 659 660 # Define default initial receive window size in segments. 661 setprop net.tcp.default_init_rwnd 60 662 663 # Start standard binderized HAL daemons 664 class_start hal 665 666 class_start core 667 668on nonencrypted 669 class_start main 670 class_start late_start 671 672on property:sys.init_log_level=* 673 loglevel ${sys.init_log_level} 674 675on charger 676 class_start charger 677 678on property:vold.decrypt=trigger_reset_main 679 class_reset main 680 681on property:vold.decrypt=trigger_load_persist_props 682 load_persist_props 683 start logd 684 start logd-reinit 685 686on property:vold.decrypt=trigger_post_fs_data 687 trigger post-fs-data 688 689on property:vold.decrypt=trigger_restart_min_framework 690 # A/B update verifier that marks a successful boot. 691 exec_start update_verifier 692 class_start main 693 694on property:vold.decrypt=trigger_restart_framework 695 # A/B update verifier that marks a successful boot. 696 exec_start update_verifier 697 class_start main 698 class_start late_start 699 700on property:vold.decrypt=trigger_shutdown_framework 701 class_reset late_start 702 class_reset main 703 704on property:sys.boot_completed=1 705 bootchart stop 706 707# system server cannot write to /proc/sys files, 708# and chown/chmod does not work for /proc/sys/ entries. 709# So proxy writes through init. 710on property:sys.sysctl.extra_free_kbytes=* 711 write /proc/sys/vm/extra_free_kbytes ${sys.sysctl.extra_free_kbytes} 712 713# "tcp_default_init_rwnd" Is too long! 714on property:sys.sysctl.tcp_def_init_rwnd=* 715 write /proc/sys/net/ipv4/tcp_default_init_rwnd ${sys.sysctl.tcp_def_init_rwnd} 716 717on property:security.perf_harden=0 718 write /proc/sys/kernel/perf_event_paranoid 1 719 720on property:security.perf_harden=1 721 write /proc/sys/kernel/perf_event_paranoid 3 722 723# on shutdown 724# In device's init.rc, this trigger can be used to do device-specific actions 725# before shutdown. e.g disable watchdog and mask error handling 726 727## Daemon processes to be run by init. 728## 729service ueventd /sbin/ueventd 730 class core 731 critical 732 seclabel u:r:ueventd:s0 733 shutdown critical 734 735service healthd /system/bin/healthd 736 class hal 737 critical 738 group root system wakelock 739 740service console /system/bin/sh 741 class core 742 console 743 disabled 744 user shell 745 group shell log readproc 746 seclabel u:r:shell:s0 747 setenv HOSTNAME console 748 749on property:ro.debuggable=1 750 # Give writes to anyone for the trace folder on debug builds. 751 # The folder is used to store method traces. 752 chmod 0773 /data/misc/trace 753 # Give reads to anyone for the window trace folder on debug builds. 754 chmod 0775 /data/misc/wmtrace 755 start console 756 757service flash_recovery /system/bin/install-recovery.sh 758 class main 759 oneshot 760