init.rc revision 3ec9aa4a91e4d04c324f89e8327d0a4b2bf1482c 
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 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 memory
37    # app mem cgroups, used by activity manager, lmkd and zygote
38    mkdir /dev/memcg/apps/ 0755 system system
39
40    start ueventd
41
42on init
43    sysclktz 0
44
45    # Mix device-specific information into the entropy pool
46    copy /proc/cmdline /dev/urandom
47    copy /default.prop /dev/urandom
48
49    # Backward compatibility.
50    symlink /system/etc /etc
51    symlink /sys/kernel/debug /d
52
53    # Link /vendor to /system/vendor for devices without a vendor partition.
54    symlink /system/vendor /vendor
55
56    # Create energy-aware scheduler tuning nodes
57    mkdir /dev/stune
58    mount cgroup none /dev/stune schedtune
59    mkdir /dev/stune/foreground
60    mkdir /dev/stune/background
61    mkdir /dev/stune/top-app
62    mkdir /dev/stune/rt
63    chown system system /dev/stune
64    chown system system /dev/stune/foreground
65    chown system system /dev/stune/background
66    chown system system /dev/stune/top-app
67    chown system system /dev/stune/rt
68    chown system system /dev/stune/tasks
69    chown system system /dev/stune/foreground/tasks
70    chown system system /dev/stune/background/tasks
71    chown system system /dev/stune/top-app/tasks
72    chown system system /dev/stune/rt/tasks
73    chmod 0664 /dev/stune/tasks
74    chmod 0664 /dev/stune/foreground/tasks
75    chmod 0664 /dev/stune/background/tasks
76    chmod 0664 /dev/stune/top-app/tasks
77    chmod 0664 /dev/stune/rt/tasks
78
79    # Mount staging areas for devices managed by vold
80    # See storage config details at http://source.android.com/tech/storage/
81    mount tmpfs tmpfs /mnt mode=0755,uid=0,gid=1000
82    restorecon_recursive /mnt
83
84    mount configfs none /config
85    chmod 0775 /config/sdcardfs
86    chown system package_info /config/sdcardfs
87
88    mkdir /mnt/secure 0700 root root
89    mkdir /mnt/secure/asec 0700 root root
90    mkdir /mnt/asec 0755 root system
91    mkdir /mnt/obb 0755 root system
92    mkdir /mnt/media_rw 0750 root media_rw
93    mkdir /mnt/user 0755 root root
94    mkdir /mnt/user/0 0755 root root
95    mkdir /mnt/expand 0771 system system
96    mkdir /mnt/appfuse 0711 root root
97
98    # Storage views to support runtime permissions
99    mkdir /mnt/runtime 0700 root root
100    mkdir /mnt/runtime/default 0755 root root
101    mkdir /mnt/runtime/default/self 0755 root root
102    mkdir /mnt/runtime/read 0755 root root
103    mkdir /mnt/runtime/read/self 0755 root root
104    mkdir /mnt/runtime/write 0755 root root
105    mkdir /mnt/runtime/write/self 0755 root root
106
107    # Symlink to keep legacy apps working in multi-user world
108    symlink /storage/self/primary /sdcard
109    symlink /storage/self/primary /mnt/sdcard
110    symlink /mnt/user/0/primary /mnt/runtime/default/self/primary
111
112    write /proc/sys/kernel/panic_on_oops 1
113    write /proc/sys/kernel/hung_task_timeout_secs 0
114    write /proc/cpu/alignment 4
115
116    # scheduler tunables
117    # Disable auto-scaling of scheduler tunables with hotplug. The tunables
118    # will vary across devices in unpredictable ways if allowed to scale with
119    # cpu cores.
120    write /proc/sys/kernel/sched_tunable_scaling 0
121    write /proc/sys/kernel/sched_latency_ns 10000000
122    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
123    write /proc/sys/kernel/sched_child_runs_first 0
124
125    write /proc/sys/kernel/randomize_va_space 2
126    write /proc/sys/vm/mmap_min_addr 32768
127    write /proc/sys/net/ipv4/ping_group_range "0 2147483647"
128    write /proc/sys/net/unix/max_dgram_qlen 600
129    write /proc/sys/kernel/sched_rt_runtime_us 950000
130    write /proc/sys/kernel/sched_rt_period_us 1000000
131
132    # Assign reasonable ceiling values for socket rcv/snd buffers.
133    # These should almost always be overridden by the target per the
134    # the corresponding technology maximums.
135    write /proc/sys/net/core/rmem_max  262144
136    write /proc/sys/net/core/wmem_max  262144
137
138    # reflect fwmark from incoming packets onto generated replies
139    write /proc/sys/net/ipv4/fwmark_reflect 1
140    write /proc/sys/net/ipv6/fwmark_reflect 1
141
142    # set fwmark on accepted sockets
143    write /proc/sys/net/ipv4/tcp_fwmark_accept 1
144
145    # disable icmp redirects
146    write /proc/sys/net/ipv4/conf/all/accept_redirects 0
147    write /proc/sys/net/ipv6/conf/all/accept_redirects 0
148
149    # Create cgroup mount points for process groups
150    mkdir /dev/cpuctl
151    mount cgroup none /dev/cpuctl cpu
152    chown system system /dev/cpuctl
153    chown system system /dev/cpuctl/tasks
154    chmod 0666 /dev/cpuctl/tasks
155    write /dev/cpuctl/cpu.rt_period_us 1000000
156    write /dev/cpuctl/cpu.rt_runtime_us 950000
157
158    # sets up initial cpusets for ActivityManager
159    mkdir /dev/cpuset
160    mount cpuset none /dev/cpuset
161
162    # this ensures that the cpusets are present and usable, but the device's
163    # init.rc must actually set the correct cpus
164    mkdir /dev/cpuset/foreground
165    copy /dev/cpuset/cpus /dev/cpuset/foreground/cpus
166    copy /dev/cpuset/mems /dev/cpuset/foreground/mems
167    mkdir /dev/cpuset/foreground/boost
168    copy /dev/cpuset/cpus /dev/cpuset/foreground/boost/cpus
169    copy /dev/cpuset/mems /dev/cpuset/foreground/boost/mems
170    mkdir /dev/cpuset/background
171    copy /dev/cpuset/cpus /dev/cpuset/background/cpus
172    copy /dev/cpuset/mems /dev/cpuset/background/mems
173
174    # system-background is for system tasks that should only run on
175    # little cores, not on bigs
176    # to be used only by init, so don't change system-bg permissions
177    mkdir /dev/cpuset/system-background
178    copy /dev/cpuset/cpus /dev/cpuset/system-background/cpus
179    copy /dev/cpuset/mems /dev/cpuset/system-background/mems
180
181    mkdir /dev/cpuset/top-app
182    copy /dev/cpuset/cpus /dev/cpuset/top-app/cpus
183    copy /dev/cpuset/mems /dev/cpuset/top-app/mems
184
185    # change permissions for all cpusets we'll touch at runtime
186    chown system system /dev/cpuset
187    chown system system /dev/cpuset/foreground
188    chown system system /dev/cpuset/foreground/boost
189    chown system system /dev/cpuset/background
190    chown system system /dev/cpuset/system-background
191    chown system system /dev/cpuset/top-app
192    chown system system /dev/cpuset/tasks
193    chown system system /dev/cpuset/foreground/tasks
194    chown system system /dev/cpuset/foreground/boost/tasks
195    chown system system /dev/cpuset/background/tasks
196    chown system system /dev/cpuset/system-background/tasks
197    chown system system /dev/cpuset/top-app/tasks
198
199    # set system-background to 0775 so SurfaceFlinger can touch it
200    chmod 0775 /dev/cpuset/system-background
201
202    chmod 0664 /dev/cpuset/foreground/tasks
203    chmod 0664 /dev/cpuset/foreground/boost/tasks
204    chmod 0664 /dev/cpuset/background/tasks
205    chmod 0664 /dev/cpuset/system-background/tasks
206    chmod 0664 /dev/cpuset/top-app/tasks
207    chmod 0664 /dev/cpuset/tasks
208
209
210    # qtaguid will limit access to specific data based on group memberships.
211    #   net_bw_acct grants impersonation of socket owners.
212    #   net_bw_stats grants access to other apps' detailed tagged-socket stats.
213    chown root net_bw_acct /proc/net/xt_qtaguid/ctrl
214    chown root net_bw_stats /proc/net/xt_qtaguid/stats
215
216    # Allow everybody to read the xt_qtaguid resource tracking misc dev.
217    # This is needed by any process that uses socket tagging.
218    chmod 0644 /dev/xt_qtaguid
219
220    # Create location for fs_mgr to store abbreviated output from filesystem
221    # checker programs.
222    mkdir /dev/fscklogs 0770 root system
223
224    # pstore/ramoops previous console log
225    mount pstore pstore /sys/fs/pstore
226    chown system log /sys/fs/pstore/console-ramoops
227    chmod 0440 /sys/fs/pstore/console-ramoops
228    chown system log /sys/fs/pstore/pmsg-ramoops-0
229    chmod 0440 /sys/fs/pstore/pmsg-ramoops-0
230
231    # enable armv8_deprecated instruction hooks
232    write /proc/sys/abi/swp 1
233
234    # Linux's execveat() syscall may construct paths containing /dev/fd
235    # expecting it to point to /proc/self/fd
236    symlink /proc/self/fd /dev/fd
237
238    export DOWNLOAD_CACHE /data/cache
239
240    # set RLIMIT_NICE to allow priorities from 19 to -20
241    setrlimit 13 40 40
242
243    # This allows the ledtrig-transient properties to be created here so
244    # that they can be chown'd to system:system later on boot
245    write /sys/class/leds/vibrator/trigger "transient"
246
247# Healthd can trigger a full boot from charger mode by signaling this
248# property when the power button is held.
249on property:sys.boot_from_charger_mode=1
250    class_stop charger
251    trigger late-init
252
253on load_persist_props_action
254    load_persist_props
255    start logd
256    start logd-reinit
257
258# Indicate to fw loaders that the relevant mounts are up.
259on firmware_mounts_complete
260    rm /dev/.booting
261
262# Mount filesystems and start core system services.
263on late-init
264    trigger early-fs
265
266    # Mount fstab in init.{$device}.rc by mount_all command. Optional parameter
267    # '--early' can be specified to skip entries with 'latemount'.
268    # /system and /vendor must be mounted by the end of the fs stage,
269    # while /data is optional.
270    trigger fs
271    trigger post-fs
272
273    # Mount fstab in init.{$device}.rc by mount_all with '--late' parameter
274    # to only mount entries with 'latemount'. This is needed if '--early' is
275    # specified in the previous mount_all command on the fs stage.
276    # With /system mounted and properties form /system + /factory available,
277    # some services can be started.
278    trigger late-fs
279
280    # Now we can mount /data. File encryption requires keymaster to decrypt
281    # /data, which in turn can only be loaded when system properties are present.
282    trigger post-fs-data
283
284    # Now we can start zygote for devices with file based encryption
285    trigger zygote-start
286
287    # Load persist properties and override properties (if enabled) from /data.
288    trigger load_persist_props_action
289
290    # Remove a file to wake up anything waiting for firmware.
291    trigger firmware_mounts_complete
292
293    trigger early-boot
294    trigger boot
295
296on post-fs
297    # Load properties from
298    #     /system/build.prop,
299    #     /odm/build.prop,
300    #     /vendor/build.prop and
301    #     /factory/factory.prop
302    load_system_props
303    # start essential services
304    start logd
305    start servicemanager
306    start hwservicemanager
307    start vndservicemanager
308
309    # once everything is setup, no need to modify /
310    mount rootfs rootfs / ro remount
311    # Mount shared so changes propagate into child namespaces
312    mount rootfs rootfs / shared rec
313    # Mount default storage into root namespace
314    mount none /mnt/runtime/default /storage bind rec
315    mount none none /storage slave rec
316
317    # Make sure /sys/kernel/debug (if present) is labeled properly
318    # Note that tracefs may be mounted under debug, so we need to cross filesystems
319    restorecon --recursive --cross-filesystems /sys/kernel/debug
320    chmod 0755 /sys/kernel/debug/tracing
321
322    # We chown/chmod /cache again so because mount is run as root + defaults
323    chown system cache /cache
324    chmod 0770 /cache
325    # We restorecon /cache in case the cache partition has been reset.
326    restorecon_recursive /cache
327
328    # Create /cache/recovery in case it's not there. It'll also fix the odd
329    # permissions if created by the recovery system.
330    mkdir /cache/recovery 0770 system cache
331
332    # Backup/restore mechanism uses the cache partition
333    mkdir /cache/backup_stage 0700 system system
334    mkdir /cache/backup 0700 system system
335
336    #change permissions on vmallocinfo so we can grab it from bugreports
337    chown root log /proc/vmallocinfo
338    chmod 0440 /proc/vmallocinfo
339
340    chown root log /proc/slabinfo
341    chmod 0440 /proc/slabinfo
342
343    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
344    chown root system /proc/kmsg
345    chmod 0440 /proc/kmsg
346    chown root system /proc/sysrq-trigger
347    chmod 0220 /proc/sysrq-trigger
348    chown system log /proc/last_kmsg
349    chmod 0440 /proc/last_kmsg
350
351    # make the selinux kernel policy world-readable
352    chmod 0444 /sys/fs/selinux/policy
353
354    # create the lost+found directories, so as to enforce our permissions
355    mkdir /cache/lost+found 0770 root root
356
357on late-fs
358    # HALs required before storage encryption can get unlocked (FBE/FDE)
359    class_start early_hal
360
361on post-fs-data
362    # We chown/chmod /data again so because mount is run as root + defaults
363    chown system system /data
364    chmod 0771 /data
365    # We restorecon /data in case the userdata partition has been reset.
366    restorecon /data
367
368    # Make sure we have the device encryption key.
369    start vold
370    installkey /data
371
372    # Start bootcharting as soon as possible after the data partition is
373    # mounted to collect more data.
374    mkdir /data/bootchart 0755 shell shell
375    bootchart start
376
377    # Avoid predictable entropy pool. Carry over entropy from previous boot.
378    copy /data/system/entropy.dat /dev/urandom
379
380    # create basic filesystem structure
381    mkdir /data/misc 01771 system misc
382    mkdir /data/misc/recovery 0770 system log
383    copy /data/misc/recovery/default.prop /data/misc/recovery/default.prop.1
384    chmod 0440 /data/misc/recovery/default.prop.1
385    chown system log /data/misc/recovery/default.prop.1
386    copy /default.prop /data/misc/recovery/default.prop
387    chmod 0440 /data/misc/recovery/default.prop
388    chown system log /data/misc/recovery/default.prop
389    mkdir /data/misc/recovery/proc 0770 system log
390    copy /data/misc/recovery/proc/version /data/misc/recovery/proc/version.1
391    chmod 0440 /data/misc/recovery/proc/version.1
392    chown system log /data/misc/recovery/proc/version.1
393    copy /proc/version /data/misc/recovery/proc/version
394    chmod 0440 /data/misc/recovery/proc/version
395    chown system log /data/misc/recovery/proc/version
396    mkdir /data/misc/bluedroid 02770 bluetooth bluetooth
397    # Fix the access permissions and group ownership for 'bt_config.conf'
398    chmod 0660 /data/misc/bluedroid/bt_config.conf
399    chown bluetooth bluetooth /data/misc/bluedroid/bt_config.conf
400    mkdir /data/misc/bluetooth 0770 bluetooth bluetooth
401    mkdir /data/misc/bluetooth/logs 0770 bluetooth bluetooth
402    mkdir /data/misc/keystore 0700 keystore keystore
403    mkdir /data/misc/gatekeeper 0700 system system
404    mkdir /data/misc/keychain 0771 system system
405    mkdir /data/misc/net 0750 root shell
406    mkdir /data/misc/radio 0770 system radio
407    mkdir /data/misc/sms 0770 system radio
408    mkdir /data/misc/zoneinfo 0775 system system
409    mkdir /data/misc/textclassifier 0771 system system
410    mkdir /data/misc/vpn 0770 system vpn
411    mkdir /data/misc/shared_relro 0771 shared_relro shared_relro
412    mkdir /data/misc/systemkeys 0700 system system
413    mkdir /data/misc/wifi 0770 wifi wifi
414    mkdir /data/misc/wifi/sockets 0770 wifi wifi
415    mkdir /data/misc/wifi/wpa_supplicant 0770 wifi wifi
416    mkdir /data/misc/ethernet 0770 system system
417    mkdir /data/misc/dhcp 0770 dhcp dhcp
418    mkdir /data/misc/user 0771 root root
419    mkdir /data/misc/perfprofd 0775 root root
420    # give system access to wpa_supplicant.conf for backup and restore
421    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
422    mkdir /data/local 0751 root root
423    mkdir /data/misc/media 0700 media media
424    mkdir /data/misc/audioserver 0700 audioserver audioserver
425    mkdir /data/misc/cameraserver 0700 cameraserver cameraserver
426    mkdir /data/misc/vold 0700 root root
427    mkdir /data/misc/boottrace 0771 system shell
428    mkdir /data/misc/update_engine 0700 root root
429    mkdir /data/misc/trace 0700 root root
430    mkdir /data/misc/reboot 0700 system system
431    # profile file layout
432    mkdir /data/misc/profiles 0771 system system
433    mkdir /data/misc/profiles/cur 0771 system system
434    mkdir /data/misc/profiles/ref 0771 system system
435    mkdir /data/misc/profman 0770 system shell
436    mkdir /data/misc/gcov 0770 root root
437
438    mkdir /data/vendor 0771 root root
439    mkdir /data/vendor/hardware 0771 root root
440
441    # For security reasons, /data/local/tmp should always be empty.
442    # Do not place files or directories in /data/local/tmp
443    mkdir /data/local/tmp 0771 shell shell
444    mkdir /data/data 0771 system system
445    mkdir /data/app-private 0771 system system
446    mkdir /data/app-ephemeral 0771 system system
447    mkdir /data/app-asec 0700 root root
448    mkdir /data/app-lib 0771 system system
449    mkdir /data/app 0771 system system
450    mkdir /data/property 0700 root root
451    mkdir /data/tombstones 0771 system system
452
453    # create dalvik-cache, so as to enforce our permissions
454    mkdir /data/dalvik-cache 0771 root root
455    # create the A/B OTA directory, so as to enforce our permissions
456    mkdir /data/ota 0771 root root
457
458    # create the OTA package directory. It will be accessed by GmsCore (cache
459    # group), update_engine and update_verifier.
460    mkdir /data/ota_package 0770 system cache
461
462    # create resource-cache and double-check the perms
463    mkdir /data/resource-cache 0771 system system
464    chown system system /data/resource-cache
465    chmod 0771 /data/resource-cache
466
467    # create the lost+found directories, so as to enforce our permissions
468    mkdir /data/lost+found 0770 root root
469
470    # create directory for DRM plug-ins - give drm the read/write access to
471    # the following directory.
472    mkdir /data/drm 0770 drm drm
473
474    # create directory for MediaDrm plug-ins - give drm the read/write access to
475    # the following directory.
476    mkdir /data/mediadrm 0770 mediadrm mediadrm
477
478    mkdir /data/anr 0775 system system
479
480    # Create all remaining /data root dirs so that they are made through init
481    # and get proper encryption policy installed
482    mkdir /data/backup 0700 system system
483    mkdir /data/ss 0700 system system
484
485    mkdir /data/system 0775 system system
486    mkdir /data/system/heapdump 0700 system system
487    mkdir /data/system/users 0775 system system
488
489    mkdir /data/system_de 0770 system system
490    mkdir /data/system_ce 0770 system system
491
492    mkdir /data/misc_de 01771 system misc
493    mkdir /data/misc_ce 01771 system misc
494
495    mkdir /data/user 0711 system system
496    mkdir /data/user_de 0711 system system
497    symlink /data/data /data/user/0
498
499    mkdir /data/media 0770 media_rw media_rw
500    mkdir /data/media/obb 0770 media_rw media_rw
501
502    mkdir /data/cache 0770 system cache
503    mkdir /data/cache/recovery 0770 system cache
504    mkdir /data/cache/backup_stage 0700 system system
505    mkdir /data/cache/backup 0700 system system
506
507    init_user0
508
509    # Set SELinux security contexts on upgrade or policy update.
510    restorecon --recursive --skip-ce /data
511
512    # Check any timezone data in /data is newer than the copy in /system, delete if not.
513    exec - system system -- /system/bin/tzdatacheck /system/usr/share/zoneinfo /data/misc/zoneinfo
514
515    # If there is no post-fs-data action in the init.<device>.rc file, you
516    # must uncomment this line, otherwise encrypted filesystems
517    # won't work.
518    # Set indication (checked by vold) that we have finished this action
519    #setprop vold.post_fs_data_done 1
520
521# It is recommended to put unnecessary data/ initialization from post-fs-data
522# to start-zygote in device's init.rc to unblock zygote start.
523on zygote-start && property:ro.crypto.state=unencrypted
524    # A/B update verifier that marks a successful boot.
525    exec_start update_verifier_nonencrypted
526    start netd
527    start zygote
528    start zygote_secondary
529
530on zygote-start && property:ro.crypto.state=unsupported
531    # A/B update verifier that marks a successful boot.
532    exec_start update_verifier_nonencrypted
533    start netd
534    start zygote
535    start zygote_secondary
536
537on zygote-start && property:ro.crypto.state=encrypted && property:ro.crypto.type=file
538    # A/B update verifier that marks a successful boot.
539    exec_start update_verifier_nonencrypted
540    start netd
541    start zygote
542    start zygote_secondary
543
544on boot
545    # basic network init
546    ifup lo
547    hostname localhost
548    domainname localdomain
549
550    # Memory management.  Basic kernel parameters, and allow the high
551    # level system server to be able to adjust the kernel OOM driver
552    # parameters to match how it is managing things.
553    write /proc/sys/vm/overcommit_memory 1
554    write /proc/sys/vm/min_free_order_shift 4
555    chown root system /sys/module/lowmemorykiller/parameters/adj
556    chmod 0664 /sys/module/lowmemorykiller/parameters/adj
557    chown root system /sys/module/lowmemorykiller/parameters/minfree
558    chmod 0664 /sys/module/lowmemorykiller/parameters/minfree
559
560    # Tweak background writeout
561    write /proc/sys/vm/dirty_expire_centisecs 200
562    write /proc/sys/vm/dirty_background_ratio  5
563
564    # Permissions for System Server and daemons.
565    chown radio system /sys/android_power/state
566    chown radio system /sys/android_power/request_state
567    chown radio system /sys/android_power/acquire_full_wake_lock
568    chown radio system /sys/android_power/acquire_partial_wake_lock
569    chown radio system /sys/android_power/release_wake_lock
570    chown system system /sys/power/autosleep
571    chown system system /sys/power/state
572    chown system system /sys/power/wakeup_count
573    chown radio wakelock /sys/power/wake_lock
574    chown radio wakelock /sys/power/wake_unlock
575    chmod 0660 /sys/power/state
576    chmod 0660 /sys/power/wake_lock
577    chmod 0660 /sys/power/wake_unlock
578
579    chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_rate
580    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_rate
581    chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_slack
582    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_slack
583    chown system system /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
584    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
585    chown system system /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
586    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
587    chown system system /sys/devices/system/cpu/cpufreq/interactive/target_loads
588    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/target_loads
589    chown system system /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
590    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
591    chown system system /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
592    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
593    chown system system /sys/devices/system/cpu/cpufreq/interactive/boost
594    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost
595    chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse
596    chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost
597    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost
598    chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
599    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
600    chown system system /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
601    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
602
603    # Assume SMP uses shared cpufreq policy for all CPUs
604    chown system system /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
605    chmod 0660 /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
606
607    chown system system /sys/class/leds/vibrator/trigger
608    chown system system /sys/class/leds/vibrator/activate
609    chown system system /sys/class/leds/vibrator/brightness
610    chown system system /sys/class/leds/vibrator/duration
611    chown system system /sys/class/leds/vibrator/state
612    chown system system /sys/class/timed_output/vibrator/enable
613    chown system system /sys/class/leds/keyboard-backlight/brightness
614    chown system system /sys/class/leds/lcd-backlight/brightness
615    chown system system /sys/class/leds/button-backlight/brightness
616    chown system system /sys/class/leds/jogball-backlight/brightness
617    chown system system /sys/class/leds/red/brightness
618    chown system system /sys/class/leds/green/brightness
619    chown system system /sys/class/leds/blue/brightness
620    chown system system /sys/class/leds/red/device/grpfreq
621    chown system system /sys/class/leds/red/device/grppwm
622    chown system system /sys/class/leds/red/device/blink
623    chown system system /sys/module/sco/parameters/disable_esco
624    chown system system /sys/kernel/ipv4/tcp_wmem_min
625    chown system system /sys/kernel/ipv4/tcp_wmem_def
626    chown system system /sys/kernel/ipv4/tcp_wmem_max
627    chown system system /sys/kernel/ipv4/tcp_rmem_min
628    chown system system /sys/kernel/ipv4/tcp_rmem_def
629    chown system system /sys/kernel/ipv4/tcp_rmem_max
630    chown root radio /proc/cmdline
631
632    # Define default initial receive window size in segments.
633    setprop net.tcp.default_init_rwnd 60
634
635    # Start standard binderized HAL daemons
636    class_start hal
637
638    class_start core
639
640on nonencrypted
641    class_start main
642    class_start late_start
643
644on property:sys.init_log_level=*
645    loglevel ${sys.init_log_level}
646
647on charger
648    class_start charger
649
650on property:vold.decrypt=trigger_reset_main
651    class_reset main
652
653on property:vold.decrypt=trigger_load_persist_props
654    load_persist_props
655    start logd
656    start logd-reinit
657
658on property:vold.decrypt=trigger_post_fs_data
659    trigger post-fs-data
660
661on property:vold.decrypt=trigger_restart_min_framework
662    # A/B update verifier that marks a successful boot.
663    exec_start update_verifier
664    class_start main
665
666on property:vold.decrypt=trigger_restart_framework
667    # A/B update verifier that marks a successful boot.
668    exec_start update_verifier
669    class_start main
670    class_start late_start
671
672on property:vold.decrypt=trigger_shutdown_framework
673    class_reset late_start
674    class_reset main
675
676on property:sys.boot_completed=1
677    bootchart stop
678
679# system server cannot write to /proc/sys files,
680# and chown/chmod does not work for /proc/sys/ entries.
681# So proxy writes through init.
682on property:sys.sysctl.extra_free_kbytes=*
683    write /proc/sys/vm/extra_free_kbytes ${sys.sysctl.extra_free_kbytes}
684
685# "tcp_default_init_rwnd" Is too long!
686on property:sys.sysctl.tcp_def_init_rwnd=*
687    write /proc/sys/net/ipv4/tcp_default_init_rwnd ${sys.sysctl.tcp_def_init_rwnd}
688
689on property:security.perf_harden=0
690    write /proc/sys/kernel/perf_event_paranoid 1
691
692on property:security.perf_harden=1
693    write /proc/sys/kernel/perf_event_paranoid 3
694
695# on shutdown
696# In device's init.rc, this trigger can be used to do device-specific actions
697# before shutdown. e.g disable watchdog and mask error handling
698
699## Daemon processes to be run by init.
700##
701service ueventd /sbin/ueventd
702    class core
703    critical
704    seclabel u:r:ueventd:s0
705    shutdown critical
706
707service healthd /system/bin/healthd
708    class core
709    critical
710    group root system wakelock
711
712service console /system/bin/sh
713    class core
714    console
715    disabled
716    user shell
717    group shell log readproc
718    seclabel u:r:shell:s0
719
720on property:ro.debuggable=1
721    # Give writes to anyone for the trace folder on debug builds.
722    # The folder is used to store method traces.
723    chmod 0773 /data/misc/trace
724    start console
725
726service flash_recovery /system/bin/install-recovery.sh
727    class main
728    oneshot
729