init.rc revision 982e0693ce69021636e779c759ff6c596038dd1f 
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.${ro.hardware}.rc
10import /init.usb.configfs.rc
11import /init.${ro.zygote}.rc
12
13on early-init
14    # Set init and its forked children's oom_adj.
15    write /proc/1/oom_score_adj -1000
16
17    # Disable sysrq from keyboard
18    write /proc/sys/kernel/sysrq 0
19
20    # Set the security context of /adb_keys if present.
21    restorecon /adb_keys
22
23    # Shouldn't be necessary, but sdcard won't start without it. http://b/22568628.
24    mkdir /mnt 0775 root system
25
26    # Set the security context of /postinstall if present.
27    restorecon /postinstall
28
29    start ueventd
30
31on init
32    sysclktz 0
33
34    # Mix device-specific information into the entropy pool
35    copy /proc/cmdline /dev/urandom
36    copy /default.prop /dev/urandom
37
38    # Backward compatibility.
39    symlink /system/etc /etc
40    symlink /sys/kernel/debug /d
41
42    # Link /vendor to /system/vendor for devices without a vendor partition.
43    symlink /system/vendor /vendor
44
45    # Mount cgroup mount point for cpu accounting
46    mount cgroup none /acct cpuacct
47    mkdir /acct/uid
48
49    # Create energy-aware scheduler tuning nodes
50    mkdir /dev/stune
51    mount cgroup none /dev/stune schedtune
52    mkdir /dev/stune/foreground
53    mkdir /dev/stune/background
54    mkdir /dev/stune/top-app
55    chown system system /dev/stune
56    chown system system /dev/stune/foreground
57    chown system system /dev/stune/background
58    chown system system /dev/stune/top-app
59    chown system system /dev/stune/tasks
60    chown system system /dev/stune/foreground/tasks
61    chown system system /dev/stune/background/tasks
62    chown system system /dev/stune/top-app/tasks
63    chmod 0664 /dev/stune/tasks
64    chmod 0664 /dev/stune/foreground/tasks
65    chmod 0664 /dev/stune/background/tasks
66    chmod 0664 /dev/stune/top-app/tasks
67
68    # Mount staging areas for devices managed by vold
69    # See storage config details at http://source.android.com/tech/storage/
70    mount tmpfs tmpfs /mnt mode=0755,uid=0,gid=1000
71    restorecon_recursive /mnt
72
73    mount configfs none /config
74    chmod 0775 /config/sdcardfs
75    chown system package_info /config/sdcardfs
76
77    mkdir /mnt/secure 0700 root root
78    mkdir /mnt/secure/asec 0700 root root
79    mkdir /mnt/asec 0755 root system
80    mkdir /mnt/obb 0755 root system
81    mkdir /mnt/media_rw 0750 root media_rw
82    mkdir /mnt/user 0755 root root
83    mkdir /mnt/user/0 0755 root root
84    mkdir /mnt/expand 0771 system system
85    mkdir /mnt/appfuse 0711 root root
86
87    # Storage views to support runtime permissions
88    mkdir /mnt/runtime 0700 root root
89    mkdir /mnt/runtime/default 0755 root root
90    mkdir /mnt/runtime/default/self 0755 root root
91    mkdir /mnt/runtime/read 0755 root root
92    mkdir /mnt/runtime/read/self 0755 root root
93    mkdir /mnt/runtime/write 0755 root root
94    mkdir /mnt/runtime/write/self 0755 root root
95
96    # Symlink to keep legacy apps working in multi-user world
97    symlink /storage/self/primary /sdcard
98    symlink /storage/self/primary /mnt/sdcard
99    symlink /mnt/user/0/primary /mnt/runtime/default/self/primary
100
101    # root memory control cgroup, used by lmkd
102    mkdir /dev/memcg 0700 root system
103    mount cgroup none /dev/memcg memory
104    # app mem cgroups, used by activity manager, lmkd and zygote
105    mkdir /dev/memcg/apps/ 0755 system system
106
107    write /proc/sys/kernel/panic_on_oops 1
108    write /proc/sys/kernel/hung_task_timeout_secs 0
109    write /proc/cpu/alignment 4
110
111    # scheduler tunables
112    # Disable auto-scaling of scheduler tunables with hotplug. The tunables
113    # will vary across devices in unpredictable ways if allowed to scale with
114    # cpu cores.
115    write /proc/sys/kernel/sched_tunable_scaling 0
116    write /proc/sys/kernel/sched_latency_ns 10000000
117    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
118    write /proc/sys/kernel/sched_child_runs_first 0
119
120    write /proc/sys/kernel/randomize_va_space 2
121    write /proc/sys/vm/mmap_min_addr 32768
122    write /proc/sys/net/ipv4/ping_group_range "0 2147483647"
123    write /proc/sys/net/unix/max_dgram_qlen 600
124    write /proc/sys/kernel/sched_rt_runtime_us 950000
125    write /proc/sys/kernel/sched_rt_period_us 1000000
126
127    # Assign reasonable ceiling values for socket rcv/snd buffers.
128    # These should almost always be overridden by the target per the
129    # the corresponding technology maximums.
130    write /proc/sys/net/core/rmem_max  262144
131    write /proc/sys/net/core/wmem_max  262144
132
133    # reflect fwmark from incoming packets onto generated replies
134    write /proc/sys/net/ipv4/fwmark_reflect 1
135    write /proc/sys/net/ipv6/fwmark_reflect 1
136
137    # set fwmark on accepted sockets
138    write /proc/sys/net/ipv4/tcp_fwmark_accept 1
139
140    # disable icmp redirects
141    write /proc/sys/net/ipv4/conf/all/accept_redirects 0
142    write /proc/sys/net/ipv6/conf/all/accept_redirects 0
143
144    # Create cgroup mount points for process groups
145    mkdir /dev/cpuctl
146    mount cgroup none /dev/cpuctl cpu
147    chown system system /dev/cpuctl
148    chown system system /dev/cpuctl/tasks
149    chmod 0666 /dev/cpuctl/tasks
150    write /dev/cpuctl/cpu.rt_period_us 1000000
151    write /dev/cpuctl/cpu.rt_runtime_us 950000
152
153    # sets up initial cpusets for ActivityManager
154    mkdir /dev/cpuset
155    mount cpuset none /dev/cpuset
156
157    # this ensures that the cpusets are present and usable, but the device's
158    # init.rc must actually set the correct cpus
159    mkdir /dev/cpuset/foreground
160    copy /dev/cpuset/cpus /dev/cpuset/foreground/cpus
161    copy /dev/cpuset/mems /dev/cpuset/foreground/mems
162    mkdir /dev/cpuset/foreground/boost
163    copy /dev/cpuset/cpus /dev/cpuset/foreground/boost/cpus
164    copy /dev/cpuset/mems /dev/cpuset/foreground/boost/mems
165    mkdir /dev/cpuset/background
166    copy /dev/cpuset/cpus /dev/cpuset/background/cpus
167    copy /dev/cpuset/mems /dev/cpuset/background/mems
168
169    # system-background is for system tasks that should only run on
170    # little cores, not on bigs
171    # to be used only by init, so don't change system-bg permissions
172    mkdir /dev/cpuset/system-background
173    copy /dev/cpuset/cpus /dev/cpuset/system-background/cpus
174    copy /dev/cpuset/mems /dev/cpuset/system-background/mems
175
176    mkdir /dev/cpuset/top-app
177    copy /dev/cpuset/cpus /dev/cpuset/top-app/cpus
178    copy /dev/cpuset/mems /dev/cpuset/top-app/mems
179
180    # change permissions for all cpusets we'll touch at runtime
181    chown system system /dev/cpuset
182    chown system system /dev/cpuset/foreground
183    chown system system /dev/cpuset/foreground/boost
184    chown system system /dev/cpuset/background
185    chown system system /dev/cpuset/system-background
186    chown system system /dev/cpuset/top-app
187    chown system system /dev/cpuset/tasks
188    chown system system /dev/cpuset/foreground/tasks
189    chown system system /dev/cpuset/foreground/boost/tasks
190    chown system system /dev/cpuset/background/tasks
191    chown system system /dev/cpuset/system-background/tasks
192    chown system system /dev/cpuset/top-app/tasks
193
194    # set system-background to 0775 so SurfaceFlinger can touch it
195    chmod 0775 /dev/cpuset/system-background
196
197    chmod 0664 /dev/cpuset/foreground/tasks
198    chmod 0664 /dev/cpuset/foreground/boost/tasks
199    chmod 0664 /dev/cpuset/background/tasks
200    chmod 0664 /dev/cpuset/system-background/tasks
201    chmod 0664 /dev/cpuset/top-app/tasks
202    chmod 0664 /dev/cpuset/tasks
203
204
205    # qtaguid will limit access to specific data based on group memberships.
206    #   net_bw_acct grants impersonation of socket owners.
207    #   net_bw_stats grants access to other apps' detailed tagged-socket stats.
208    chown root net_bw_acct /proc/net/xt_qtaguid/ctrl
209    chown root net_bw_stats /proc/net/xt_qtaguid/stats
210
211    # Allow everybody to read the xt_qtaguid resource tracking misc dev.
212    # This is needed by any process that uses socket tagging.
213    chmod 0644 /dev/xt_qtaguid
214
215    # Create location for fs_mgr to store abbreviated output from filesystem
216    # checker programs.
217    mkdir /dev/fscklogs 0770 root system
218
219    # pstore/ramoops previous console log
220    mount pstore pstore /sys/fs/pstore
221    chown system log /sys/fs/pstore/console-ramoops
222    chmod 0440 /sys/fs/pstore/console-ramoops
223    chown system log /sys/fs/pstore/pmsg-ramoops-0
224    chmod 0440 /sys/fs/pstore/pmsg-ramoops-0
225
226    # enable armv8_deprecated instruction hooks
227    write /proc/sys/abi/swp 1
228
229    # Linux's execveat() syscall may construct paths containing /dev/fd
230    # expecting it to point to /proc/self/fd
231    symlink /proc/self/fd /dev/fd
232
233    export DOWNLOAD_CACHE /data/cache
234
235    # set RLIMIT_NICE to allow priorities from 19 to -20
236    setrlimit 13 40 40
237
238    # This allows the ledtrig-transient properties to be created here so
239    # that they can be chown'd to system:system later on boot
240    write /sys/class/leds/vibrator/trigger "transient"
241
242# Healthd can trigger a full boot from charger mode by signaling this
243# property when the power button is held.
244on property:sys.boot_from_charger_mode=1
245    class_stop charger
246    trigger late-init
247
248on load_persist_props_action
249    load_persist_props
250    start logd
251    start logd-reinit
252
253# Indicate to fw loaders that the relevant mounts are up.
254on firmware_mounts_complete
255    rm /dev/.booting
256
257# Mount filesystems and start core system services.
258on late-init
259    trigger early-fs
260
261    # Mount fstab in init.{$device}.rc by mount_all command. Optional parameter
262    # '--early' can be specified to skip entries with 'latemount'.
263    # /system and /vendor must be mounted by the end of the fs stage,
264    # while /data is optional.
265    trigger fs
266    trigger post-fs
267
268    # Mount fstab in init.{$device}.rc by mount_all with '--late' parameter
269    # to only mount entries with 'latemount'. This is needed if '--early' is
270    # specified in the previous mount_all command on the fs stage.
271    # With /system mounted and properties form /system + /factory available,
272    # some services can be started.
273    trigger late-fs
274
275    # Now we can mount /data. File encryption requires keymaster to decrypt
276    # /data, which in turn can only be loaded when system properties are present.
277    trigger post-fs-data
278
279    # Now we can start zygote for devices with file based encryption
280    trigger zygote-start
281
282    # Load persist properties and override properties (if enabled) from /data.
283    trigger load_persist_props_action
284
285    # Remove a file to wake up anything waiting for firmware.
286    trigger firmware_mounts_complete
287
288    trigger early-boot
289    trigger boot
290
291on post-fs
292    # Load properties from
293    #     /system/build.prop,
294    #     /odm/build.prop,
295    #     /vendor/build.prop and
296    #     /factory/factory.prop
297    load_system_props
298    # start essential services
299    start logd
300    start hwservicemanager
301
302    # once everything is setup, no need to modify /
303    mount rootfs rootfs / ro remount
304    # Mount shared so changes propagate into child namespaces
305    mount rootfs rootfs / shared rec
306    # Mount default storage into root namespace
307    mount none /mnt/runtime/default /storage slave bind rec
308
309    # Make sure /sys/kernel/debug (if present) is labeled properly
310    # Note that tracefs may be mounted under debug, so we need to cross filesystems
311    restorecon --recursive --cross-filesystems /sys/kernel/debug
312    chmod 0755 /sys/kernel/debug/tracing
313
314    # We chown/chmod /cache again so because mount is run as root + defaults
315    chown system cache /cache
316    chmod 0770 /cache
317    # We restorecon /cache in case the cache partition has been reset.
318    restorecon_recursive /cache
319
320    # Create /cache/recovery in case it's not there. It'll also fix the odd
321    # permissions if created by the recovery system.
322    mkdir /cache/recovery 0770 system cache
323
324    # Backup/restore mechanism uses the cache partition
325    mkdir /cache/backup_stage 0700 system system
326    mkdir /cache/backup 0700 system system
327
328    #change permissions on vmallocinfo so we can grab it from bugreports
329    chown root log /proc/vmallocinfo
330    chmod 0440 /proc/vmallocinfo
331
332    chown root log /proc/slabinfo
333    chmod 0440 /proc/slabinfo
334
335    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
336    chown root system /proc/kmsg
337    chmod 0440 /proc/kmsg
338    chown root system /proc/sysrq-trigger
339    chmod 0220 /proc/sysrq-trigger
340    chown system log /proc/last_kmsg
341    chmod 0440 /proc/last_kmsg
342
343    # make the selinux kernel policy world-readable
344    chmod 0444 /sys/fs/selinux/policy
345
346    # create the lost+found directories, so as to enforce our permissions
347    mkdir /cache/lost+found 0770 root root
348
349on late-fs
350    # HALs required before storage encryption can get unlocked (FBE/FDE)
351    class_start early_hal
352
353on post-fs-data
354    # We chown/chmod /data again so because mount is run as root + defaults
355    chown system system /data
356    chmod 0771 /data
357    # We restorecon /data in case the userdata partition has been reset.
358    restorecon /data
359
360    # Make sure we have the device encryption key.
361    start vold
362    installkey /data
363
364    # Start bootcharting as soon as possible after the data partition is
365    # mounted to collect more data.
366    mkdir /data/bootchart 0755 shell shell
367    bootchart start
368
369    # Avoid predictable entropy pool. Carry over entropy from previous boot.
370    copy /data/system/entropy.dat /dev/urandom
371
372    # create basic filesystem structure
373    mkdir /data/misc 01771 system misc
374    mkdir /data/misc/bluedroid 02770 bluetooth bluetooth
375    # Fix the access permissions and group ownership for 'bt_config.conf'
376    chmod 0660 /data/misc/bluedroid/bt_config.conf
377    chown bluetooth bluetooth /data/misc/bluedroid/bt_config.conf
378    mkdir /data/misc/bluetooth 0770 bluetooth bluetooth
379    mkdir /data/misc/bluetooth/logs 0770 bluetooth bluetooth
380    mkdir /data/misc/keystore 0700 keystore keystore
381    mkdir /data/misc/gatekeeper 0700 system system
382    mkdir /data/misc/keychain 0771 system system
383    mkdir /data/misc/net 0750 root shell
384    mkdir /data/misc/radio 0770 system radio
385    mkdir /data/misc/sms 0770 system radio
386    mkdir /data/misc/zoneinfo 0775 system system
387    mkdir /data/misc/textclassifier 0771 system system
388    mkdir /data/misc/vpn 0770 system vpn
389    mkdir /data/misc/shared_relro 0771 shared_relro shared_relro
390    mkdir /data/misc/systemkeys 0700 system system
391    mkdir /data/misc/wifi 0770 wifi wifi
392    mkdir /data/misc/wifi/sockets 0770 wifi wifi
393    mkdir /data/misc/wifi/wpa_supplicant 0770 wifi wifi
394    mkdir /data/misc/ethernet 0770 system system
395    mkdir /data/misc/dhcp 0770 dhcp dhcp
396    mkdir /data/misc/user 0771 root root
397    mkdir /data/misc/perfprofd 0775 root root
398    # give system access to wpa_supplicant.conf for backup and restore
399    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
400    mkdir /data/local 0751 root root
401    mkdir /data/misc/media 0700 media media
402    mkdir /data/misc/audioserver 0700 audioserver audioserver
403    mkdir /data/misc/cameraserver 0700 cameraserver cameraserver
404    mkdir /data/misc/vold 0700 root root
405    mkdir /data/misc/boottrace 0771 system shell
406    mkdir /data/misc/update_engine 0700 root root
407    mkdir /data/misc/trace 0700 root root
408    mkdir /data/misc/reboot 0700 system system
409    # profile file layout
410    mkdir /data/misc/profiles 0771 system system
411    mkdir /data/misc/profiles/cur 0771 system system
412    mkdir /data/misc/profiles/ref 0771 system system
413    mkdir /data/misc/profman 0770 system shell
414    mkdir /data/misc/gcov 0770 root root
415
416    mkdir /data/vendor 0771 root root
417    mkdir /data/vendor/hardware 0771 root root
418
419    # For security reasons, /data/local/tmp should always be empty.
420    # Do not place files or directories in /data/local/tmp
421    mkdir /data/local/tmp 0771 shell shell
422    mkdir /data/data 0771 system system
423    mkdir /data/app-private 0771 system system
424    mkdir /data/app-ephemeral 0771 system system
425    mkdir /data/app-asec 0700 root root
426    mkdir /data/app-lib 0771 system system
427    mkdir /data/app 0771 system system
428    mkdir /data/property 0700 root root
429    mkdir /data/tombstones 0771 system system
430
431    # create dalvik-cache, so as to enforce our permissions
432    mkdir /data/dalvik-cache 0771 root root
433    # create the A/B OTA directory, so as to enforce our permissions
434    mkdir /data/ota 0771 root root
435
436    # create the OTA package directory. It will be accessed by GmsCore (cache
437    # group), update_engine and update_verifier.
438    mkdir /data/ota_package 0770 system cache
439
440    # create resource-cache and double-check the perms
441    mkdir /data/resource-cache 0771 system system
442    chown system system /data/resource-cache
443    chmod 0771 /data/resource-cache
444
445    # create the lost+found directories, so as to enforce our permissions
446    mkdir /data/lost+found 0770 root root
447
448    # create directory for DRM plug-ins - give drm the read/write access to
449    # the following directory.
450    mkdir /data/drm 0770 drm drm
451
452    # create directory for MediaDrm plug-ins - give drm the read/write access to
453    # the following directory.
454    mkdir /data/mediadrm 0770 mediadrm mediadrm
455
456    mkdir /data/anr 0775 system system
457
458    # Create all remaining /data root dirs so that they are made through init
459    # and get proper encryption policy installed
460    mkdir /data/backup 0700 system system
461    mkdir /data/ss 0700 system system
462
463    mkdir /data/system 0775 system system
464    mkdir /data/system/heapdump 0700 system system
465    mkdir /data/system/users 0775 system system
466
467    mkdir /data/system_de 0770 system system
468    mkdir /data/system_ce 0770 system system
469
470    mkdir /data/misc_de 01771 system misc
471    mkdir /data/misc_ce 01771 system misc
472
473    mkdir /data/user 0711 system system
474    mkdir /data/user_de 0711 system system
475    symlink /data/data /data/user/0
476
477    mkdir /data/media 0770 media_rw media_rw
478    mkdir /data/media/obb 0770 media_rw media_rw
479
480    mkdir /data/cache 0770 system cache
481    mkdir /data/cache/recovery 0770 system cache
482    mkdir /data/cache/backup_stage 0700 system system
483    mkdir /data/cache/backup 0700 system system
484
485    init_user0
486
487    # Set SELinux security contexts on upgrade or policy update.
488    restorecon --recursive --skip-ce /data
489
490    # Check any timezone data in /data is newer than the copy in /system, delete if not.
491    exec - system system -- /system/bin/tzdatacheck /system/usr/share/zoneinfo /data/misc/zoneinfo
492
493    # If there is no post-fs-data action in the init.<device>.rc file, you
494    # must uncomment this line, otherwise encrypted filesystems
495    # won't work.
496    # Set indication (checked by vold) that we have finished this action
497    #setprop vold.post_fs_data_done 1
498
499# It is recommended to put unnecessary data/ initialization from post-fs-data
500# to start-zygote in device's init.rc to unblock zygote start.
501on zygote-start && property:ro.crypto.state=unencrypted
502    # A/B update verifier that marks a successful boot.
503    exec_start update_verifier_nonencrypted
504    start netd
505    start zygote
506    start zygote_secondary
507
508on zygote-start && property:ro.crypto.state=unsupported
509    # A/B update verifier that marks a successful boot.
510    exec_start update_verifier_nonencrypted
511    start netd
512    start zygote
513    start zygote_secondary
514
515on zygote-start && property:ro.crypto.state=encrypted && property:ro.crypto.type=file
516    # A/B update verifier that marks a successful boot.
517    exec_start update_verifier_nonencrypted
518    start netd
519    start zygote
520    start zygote_secondary
521
522on boot
523    # basic network init
524    ifup lo
525    hostname localhost
526    domainname localdomain
527
528    # Memory management.  Basic kernel parameters, and allow the high
529    # level system server to be able to adjust the kernel OOM driver
530    # parameters to match how it is managing things.
531    write /proc/sys/vm/overcommit_memory 1
532    write /proc/sys/vm/min_free_order_shift 4
533    chown root system /sys/module/lowmemorykiller/parameters/adj
534    chmod 0664 /sys/module/lowmemorykiller/parameters/adj
535    chown root system /sys/module/lowmemorykiller/parameters/minfree
536    chmod 0664 /sys/module/lowmemorykiller/parameters/minfree
537
538    # Tweak background writeout
539    write /proc/sys/vm/dirty_expire_centisecs 200
540    write /proc/sys/vm/dirty_background_ratio  5
541
542    # Permissions for System Server and daemons.
543    chown radio system /sys/android_power/state
544    chown radio system /sys/android_power/request_state
545    chown radio system /sys/android_power/acquire_full_wake_lock
546    chown radio system /sys/android_power/acquire_partial_wake_lock
547    chown radio system /sys/android_power/release_wake_lock
548    chown system system /sys/power/autosleep
549    chown system system /sys/power/state
550    chown system system /sys/power/wakeup_count
551    chown radio wakelock /sys/power/wake_lock
552    chown radio wakelock /sys/power/wake_unlock
553    chmod 0660 /sys/power/state
554    chmod 0660 /sys/power/wake_lock
555    chmod 0660 /sys/power/wake_unlock
556
557    chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_rate
558    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_rate
559    chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_slack
560    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_slack
561    chown system system /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
562    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
563    chown system system /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
564    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
565    chown system system /sys/devices/system/cpu/cpufreq/interactive/target_loads
566    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/target_loads
567    chown system system /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
568    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
569    chown system system /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
570    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
571    chown system system /sys/devices/system/cpu/cpufreq/interactive/boost
572    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost
573    chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse
574    chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost
575    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost
576    chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
577    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
578    chown system system /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
579    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
580
581    # Assume SMP uses shared cpufreq policy for all CPUs
582    chown system system /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
583    chmod 0660 /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
584
585    chown system system /sys/class/leds/vibrator/trigger
586    chown system system /sys/class/leds/vibrator/activate
587    chown system system /sys/class/leds/vibrator/brightness
588    chown system system /sys/class/leds/vibrator/duration
589    chown system system /sys/class/leds/vibrator/state
590    chown system system /sys/class/timed_output/vibrator/enable
591    chown system system /sys/class/leds/keyboard-backlight/brightness
592    chown system system /sys/class/leds/lcd-backlight/brightness
593    chown system system /sys/class/leds/button-backlight/brightness
594    chown system system /sys/class/leds/jogball-backlight/brightness
595    chown system system /sys/class/leds/red/brightness
596    chown system system /sys/class/leds/green/brightness
597    chown system system /sys/class/leds/blue/brightness
598    chown system system /sys/class/leds/red/device/grpfreq
599    chown system system /sys/class/leds/red/device/grppwm
600    chown system system /sys/class/leds/red/device/blink
601    chown system system /sys/module/sco/parameters/disable_esco
602    chown system system /sys/kernel/ipv4/tcp_wmem_min
603    chown system system /sys/kernel/ipv4/tcp_wmem_def
604    chown system system /sys/kernel/ipv4/tcp_wmem_max
605    chown system system /sys/kernel/ipv4/tcp_rmem_min
606    chown system system /sys/kernel/ipv4/tcp_rmem_def
607    chown system system /sys/kernel/ipv4/tcp_rmem_max
608    chown root radio /proc/cmdline
609
610    # Define default initial receive window size in segments.
611    setprop net.tcp.default_init_rwnd 60
612
613    # Start standard binderized HAL daemons
614    class_start hal
615
616    class_start core
617
618on nonencrypted
619    class_start main
620    class_start late_start
621
622on property:sys.init_log_level=*
623    loglevel ${sys.init_log_level}
624
625on charger
626    class_start charger
627
628on property:vold.decrypt=trigger_reset_main
629    class_reset main
630
631on property:vold.decrypt=trigger_load_persist_props
632    load_persist_props
633    start logd
634    start logd-reinit
635
636on property:vold.decrypt=trigger_post_fs_data
637    trigger post-fs-data
638
639on property:vold.decrypt=trigger_restart_min_framework
640    # A/B update verifier that marks a successful boot.
641    exec_start update_verifier
642    class_start main
643
644on property:vold.decrypt=trigger_restart_framework
645    # A/B update verifier that marks a successful boot.
646    exec_start update_verifier
647    class_start main
648    class_start late_start
649
650on property:vold.decrypt=trigger_shutdown_framework
651    class_reset late_start
652    class_reset main
653
654on property:sys.boot_completed=1
655    bootchart stop
656
657on property:sys.boot_completed=1 && property:ro.build.type=user
658    write /proc/sys/kernel/modules_disabled 1
659
660on property:sys.boot_completed=1 && property:ro.build.type=userdebug
661    write /proc/sys/kernel/modules_disabled 1
662
663# system server cannot write to /proc/sys files,
664# and chown/chmod does not work for /proc/sys/ entries.
665# So proxy writes through init.
666on property:sys.sysctl.extra_free_kbytes=*
667    write /proc/sys/vm/extra_free_kbytes ${sys.sysctl.extra_free_kbytes}
668
669# "tcp_default_init_rwnd" Is too long!
670on property:sys.sysctl.tcp_def_init_rwnd=*
671    write /proc/sys/net/ipv4/tcp_default_init_rwnd ${sys.sysctl.tcp_def_init_rwnd}
672
673on property:security.perf_harden=0
674    write /proc/sys/kernel/perf_event_paranoid 1
675
676on property:security.perf_harden=1
677    write /proc/sys/kernel/perf_event_paranoid 3
678
679## Daemon processes to be run by init.
680##
681service ueventd /sbin/ueventd
682    class core
683    critical
684    seclabel u:r:ueventd:s0
685
686service healthd /sbin/healthd
687    class core
688    critical
689    seclabel u:r:healthd:s0
690    group root system wakelock
691
692service console /system/bin/sh
693    class core
694    console
695    disabled
696    user shell
697    group shell log readproc
698    seclabel u:r:shell:s0
699
700on property:ro.debuggable=1
701    # Give writes to anyone for the trace folder on debug builds.
702    # The folder is used to store method traces.
703    chmod 0773 /data/misc/trace
704    start console
705
706service flash_recovery /system/bin/install-recovery.sh
707    class main
708    oneshot
709