init.rc revision 06787f4089093fed8a01ec3a3d2092e10919b77e 
1on early-init
2    start ueventd
3
4# create mountpoints
5    mkdir /mnt 0775 root system
6
7on init
8
9sysclktz 0
10
11loglevel 3
12
13# setup the global environment
14    export PATH /sbin:/vendor/bin:/system/sbin:/system/bin:/system/xbin
15    export LD_LIBRARY_PATH /vendor/lib:/system/lib
16    export ANDROID_BOOTLOGO 1
17    export ANDROID_ROOT /system
18    export ANDROID_ASSETS /system/app
19    export ANDROID_DATA /data
20    export ASEC_MOUNTPOINT /mnt/asec
21    export LOOP_MOUNTPOINT /mnt/obb
22    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/core-junit.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/apache-xml.jar:/system/framework/filterfw.jar
23
24# Backward compatibility
25    symlink /system/etc /etc
26    symlink /sys/kernel/debug /d
27
28# Right now vendor lives on the same filesystem as system,
29# but someday that may change.
30    symlink /system/vendor /vendor
31
32# Create cgroup mount point for cpu accounting
33    mkdir /acct
34    mount cgroup none /acct cpuacct
35    mkdir /acct/uid
36
37    mkdir /system
38    mkdir /data 0771 system system
39    mkdir /cache 0770 system cache
40    mkdir /config 0500 root root
41
42    # Directory for putting things only root should see.
43    mkdir /mnt/secure 0700 root root
44
45    # Directory for staging bindmounts
46    mkdir /mnt/secure/staging 0700 root root
47
48    # Directory-target for where the secure container
49    # imagefile directory will be bind-mounted
50    mkdir /mnt/secure/asec  0700 root root
51
52    # Secure container public mount points.
53    mkdir /mnt/asec  0700 root system
54    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
55
56    # Filesystem image public mount points.
57    mkdir /mnt/obb 0700 root system
58    mount tmpfs tmpfs /mnt/obb mode=0755,gid=1000
59
60    write /proc/sys/kernel/panic_on_oops 1
61    write /proc/sys/kernel/hung_task_timeout_secs 0
62    write /proc/cpu/alignment 4
63    write /proc/sys/kernel/sched_latency_ns 10000000
64    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
65    write /proc/sys/kernel/sched_compat_yield 1
66    write /proc/sys/kernel/sched_child_runs_first 0
67
68# Create cgroup mount points for process groups
69    mkdir /dev/cpuctl
70    mount cgroup none /dev/cpuctl cpu
71    chown system system /dev/cpuctl
72    chown system system /dev/cpuctl/tasks
73    chmod 0777 /dev/cpuctl/tasks
74    write /dev/cpuctl/cpu.shares 1024
75
76    mkdir /dev/cpuctl/fg_boost
77    chown system system /dev/cpuctl/fg_boost/tasks
78    chmod 0777 /dev/cpuctl/fg_boost/tasks
79    write /dev/cpuctl/fg_boost/cpu.shares 1024
80
81    mkdir /dev/cpuctl/bg_non_interactive
82    chown system system /dev/cpuctl/bg_non_interactive/tasks
83    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
84    # 5.0 %
85    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
86
87on fs
88# mount mtd partitions
89    # Mount /system rw first to give the filesystem a chance to save a checkpoint
90    mount yaffs2 mtd@system /system
91    mount yaffs2 mtd@system /system ro remount
92    mount yaffs2 mtd@userdata /data nosuid nodev
93    mount yaffs2 mtd@cache /cache nosuid nodev
94
95on post-fs
96    # once everything is setup, no need to modify /
97    mount rootfs rootfs / ro remount
98
99    # We chown/chmod /cache again so because mount is run as root + defaults
100    chown system cache /cache
101    chmod 0770 /cache
102
103    # This may have been created by the recovery system with odd permissions
104    chown system cache /cache/recovery
105    chmod 0770 /cache/recovery
106
107    #change permissions on vmallocinfo so we can grab it from bugreports
108    chown root log /proc/vmallocinfo
109    chmod 0440 /proc/vmallocinfo
110
111    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
112    chown root system /proc/kmsg
113    chmod 0440 /proc/kmsg
114    chown root system /proc/sysrq-trigger
115    chmod 0220 /proc/sysrq-trigger
116
117    # create the lost+found directories, so as to enforce our permissions
118    mkdir /cache/lost+found 0770 root root
119
120on post-fs-data
121    # We chown/chmod /data again so because mount is run as root + defaults
122    chown system system /data
123    chmod 0771 /data
124
125    # Create dump dir and collect dumps.
126    # Do this before we mount cache so eventually we can use cache for
127    # storing dumps on platforms which do not have a dedicated dump partition.
128    mkdir /data/dontpanic 0750 root log
129
130    # Collect apanic data, free resources and re-arm trigger
131    copy /proc/apanic_console /data/dontpanic/apanic_console
132    chown root log /data/dontpanic/apanic_console
133    chmod 0640 /data/dontpanic/apanic_console
134
135    copy /proc/apanic_threads /data/dontpanic/apanic_threads
136    chown root log /data/dontpanic/apanic_threads
137    chmod 0640 /data/dontpanic/apanic_threads
138
139    write /proc/apanic_console 1
140
141    # create basic filesystem structure
142    mkdir /data/misc 01771 system misc
143    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
144    mkdir /data/misc/bluetooth 0770 system system
145    mkdir /data/misc/keystore 0700 keystore keystore
146    mkdir /data/misc/keychain 0771 system system
147    mkdir /data/misc/vpn 0770 system vpn
148    mkdir /data/misc/systemkeys 0700 system system
149    # give system access to wpa_supplicant.conf for backup and restore
150    mkdir /data/misc/wifi 0770 wifi wifi
151    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
152    mkdir /data/local 0771 shell shell
153    mkdir /data/local/tmp 0771 shell shell
154    mkdir /data/data 0771 system system
155    mkdir /data/app-private 0771 system system
156    mkdir /data/app 0771 system system
157    mkdir /data/property 0700 root root
158
159    # create dalvik-cache, so as to enforce our permissions
160    mkdir /data/dalvik-cache 0771 system system
161
162    # create resource-cache and double-check the perms
163    mkdir /data/resource-cache 0771 system system
164    chown system system /data/resource-cache
165    chmod 0771 /data/resource-cache
166
167    # create the lost+found directories, so as to enforce our permissions
168    mkdir /data/lost+found 0770 root root
169
170    # create directory for DRM plug-ins
171    mkdir /data/drm 0774 drm drm
172
173    # If there is no fs-post-data action in the init.<device>.rc file, you
174    # must uncomment this line, otherwise encrypted filesystems
175    # won't work.
176    # Set indication (checked by vold) that we have finished this action
177    #setprop vold.post_fs_data_done 1
178
179    chown system system /sys/class/android_usb/android0/f_mass_storage/lun/file
180    chmod 0660 /sys/class/android_usb/android0/f_mass_storage/lun/file
181    chown system system /sys/class/android_usb/android0/f_rndis/ethaddr
182    chmod 0660 /sys/class/android_usb/android0/f_rndis/ethaddr
183
184on boot
185# basic network init
186    ifup lo
187    hostname localhost
188    domainname localdomain
189
190# set RLIMIT_NICE to allow priorities from 19 to -20
191    setrlimit 13 40 40
192
193# Memory management.  Basic kernel parameters, and allow the high
194# level system server to be able to adjust the kernel OOM driver
195# paramters to match how it is managing things.
196    write /proc/sys/vm/overcommit_memory 1
197    write /proc/sys/vm/min_free_order_shift 4
198    chown root system /sys/module/lowmemorykiller/parameters/adj
199    chmod 0664 /sys/module/lowmemorykiller/parameters/adj
200    chown root system /sys/module/lowmemorykiller/parameters/minfree
201    chmod 0664 /sys/module/lowmemorykiller/parameters/minfree
202
203    # Set init and its forked children's oom_adj.
204    write /proc/1/oom_adj -16
205
206    # Tweak background writeout
207    write /proc/sys/vm/dirty_expire_centisecs 200
208    write /proc/sys/vm/dirty_background_ratio  5
209
210    # Permissions for System Server and daemons.
211    chown radio system /sys/android_power/state
212    chown radio system /sys/android_power/request_state
213    chown radio system /sys/android_power/acquire_full_wake_lock
214    chown radio system /sys/android_power/acquire_partial_wake_lock
215    chown radio system /sys/android_power/release_wake_lock
216    chown radio system /sys/power/state
217    chown radio system /sys/power/wake_lock
218    chown radio system /sys/power/wake_unlock
219    chmod 0660 /sys/power/state
220    chmod 0660 /sys/power/wake_lock
221    chmod 0660 /sys/power/wake_unlock
222    chown system system /sys/class/timed_output/vibrator/enable
223    chown system system /sys/class/leds/keyboard-backlight/brightness
224    chown system system /sys/class/leds/lcd-backlight/brightness
225    chown system system /sys/class/leds/button-backlight/brightness
226    chown system system /sys/class/leds/jogball-backlight/brightness
227    chown system system /sys/class/leds/red/brightness
228    chown system system /sys/class/leds/green/brightness
229    chown system system /sys/class/leds/blue/brightness
230    chown system system /sys/class/leds/red/device/grpfreq
231    chown system system /sys/class/leds/red/device/grppwm
232    chown system system /sys/class/leds/red/device/blink
233    chown system system /sys/class/leds/red/brightness
234    chown system system /sys/class/leds/green/brightness
235    chown system system /sys/class/leds/blue/brightness
236    chown system system /sys/class/leds/red/device/grpfreq
237    chown system system /sys/class/leds/red/device/grppwm
238    chown system system /sys/class/leds/red/device/blink
239    chown system system /sys/class/timed_output/vibrator/enable
240    chown system system /sys/module/sco/parameters/disable_esco
241    chown system system /sys/kernel/ipv4/tcp_wmem_min
242    chown system system /sys/kernel/ipv4/tcp_wmem_def
243    chown system system /sys/kernel/ipv4/tcp_wmem_max
244    chown system system /sys/kernel/ipv4/tcp_rmem_min
245    chown system system /sys/kernel/ipv4/tcp_rmem_def
246    chown system system /sys/kernel/ipv4/tcp_rmem_max
247    chown root radio /proc/cmdline
248
249# Define TCP buffer sizes for various networks
250#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
251    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
252    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
253    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
254    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
255    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
256
257# Set this property so surfaceflinger is not started by system_init
258    setprop system_init.startsurfaceflinger 0
259
260    class_start core
261    class_start main
262
263on nonencrypted
264    class_start late_start
265
266on property:vold.decrypt=trigger_reset_main
267    class_reset main
268
269on property:vold.decrypt=trigger_load_persist_props
270    load_persist_props
271
272on property:vold.decrypt=trigger_post_fs_data
273    trigger post-fs-data
274
275on property:vold.decrypt=trigger_restart_min_framework
276    class_start main
277
278on property:vold.decrypt=trigger_restart_framework
279    class_start main
280    class_start late_start
281
282on property:vold.decrypt=trigger_shutdown_framework
283    class_reset late_start
284    class_reset main
285
286# Used to disable USB when switching states
287on property:sys.usb.config=none
288    stop adbd
289    write /sys/class/android_usb/android0/enable 0
290    write /sys/class/android_usb/android0/bDeviceClass 0
291    setprop sys.usb.state $sys.usb.config
292
293# adb only USB configuration
294# This should only be used during device bringup
295# and as a fallback if the USB manager fails to set a standard configuration
296on property:sys.usb.config=adb
297    write /sys/class/android_usb/android0/enable 0
298    write /sys/class/android_usb/android0/idVendor 18d1
299    write /sys/class/android_usb/android0/idProduct D002
300    write /sys/class/android_usb/android0/functions $sys.usb.config
301    write /sys/class/android_usb/android0/enable 1
302    start adbd
303    setprop sys.usb.state $sys.usb.config
304
305# USB accessory configuration
306on property:sys.usb.config=accessory
307    write /sys/class/android_usb/android0/enable 0
308    write /sys/class/android_usb/android0/idVendor 18d1
309    write /sys/class/android_usb/android0/idProduct 2d00
310    write /sys/class/android_usb/android0/functions $sys.usb.config
311    write /sys/class/android_usb/android0/enable 1
312    setprop sys.usb.state $sys.usb.config
313
314# USB accessory configuration, with adb
315on property:sys.usb.config=accessory,adb
316    write /sys/class/android_usb/android0/enable 0
317    write /sys/class/android_usb/android0/idVendor 18d1
318    write /sys/class/android_usb/android0/idProduct 2d01
319    write /sys/class/android_usb/android0/functions $sys.usb.config
320    write /sys/class/android_usb/android0/enable 1
321    start adbd
322    setprop sys.usb.state $sys.usb.config
323
324# Used to set USB configuration at boot and to switch the configuration
325# when changing the default configuration
326on property:persist.sys.usb.config=*
327    setprop sys.usb.config $persist.sys.usb.config
328
329## Daemon processes to be run by init.
330##
331service ueventd /sbin/ueventd
332    class core
333    critical
334
335service console /system/bin/sh
336    class core
337    console
338    disabled
339    user shell
340    group log
341
342on property:ro.debuggable=1
343    start console
344
345# adbd is controlled via property triggers in init.<platform>.usb.rc
346service adbd /sbin/adbd
347    class core
348    disabled
349
350# adbd on at boot in emulator
351on property:ro.kernel.qemu=1
352    start adbd
353
354# This property trigger has added to imitiate the previous behavior of "adb root".
355# The adb gadget driver used to reset the USB bus when the adbd daemon exited,
356# and the host side adb relied on this behavior to force it to reconnect with the
357# new adbd instance after init relaunches it. So now we force the USB bus to reset
358# here when adbd sets the service.adb.root property to 1.  We also restart adbd here
359# rather than waiting for init to notice its death and restarting it so the timing
360# of USB resetting and adb restarting more closely matches the previous behavior.
361on property:service.adb.root=1
362    write /sys/class/android_usb/android0/enable 0
363    restart adbd
364    write /sys/class/android_usb/android0/enable 1
365
366service servicemanager /system/bin/servicemanager
367    class core
368    user system
369    group system
370    critical
371    onrestart restart zygote
372    onrestart restart media
373
374service vold /system/bin/vold
375    class core
376    socket vold stream 0660 root mount
377    ioprio be 2
378
379service netd /system/bin/netd
380    class main
381    socket netd stream 0660 root system
382    socket dnsproxyd stream 0660 root inet
383
384service debuggerd /system/bin/debuggerd
385    class main
386
387service ril-daemon /system/bin/rild
388    class main
389    socket rild stream 660 root radio
390    socket rild-debug stream 660 radio system
391    user root
392    group radio cache inet misc audio sdcard_rw
393
394service surfaceflinger /system/bin/surfaceflinger
395    class main
396    user system
397    group graphics
398    onrestart restart zygote
399
400service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
401    class main
402    socket zygote stream 666
403    onrestart write /sys/android_power/request_state wake
404    onrestart write /sys/power/state on
405    onrestart restart media
406    onrestart restart netd
407
408service drm /system/bin/drmserver
409    class main
410    user drm
411    group system inet
412
413service media /system/bin/mediaserver
414    class main
415    user media
416    group audio camera inet net_bt net_bt_admin
417    ioprio rt 4
418
419service bootanim /system/bin/bootanimation
420    class main
421    user graphics
422    group graphics
423    disabled
424    oneshot
425
426service dbus /system/bin/dbus-daemon --system --nofork
427    class main
428    socket dbus stream 660 bluetooth bluetooth
429    user bluetooth
430    group bluetooth net_bt_admin
431
432service bluetoothd /system/bin/bluetoothd -n
433    class main
434    socket bluetooth stream 660 bluetooth bluetooth
435    socket dbus_bluetooth stream 660 bluetooth bluetooth
436    # init.rc does not yet support applying capabilities, so run as root and
437    # let bluetoothd drop uid to bluetooth with the right linux capabilities
438    group bluetooth net_bt_admin misc
439    disabled
440
441service installd /system/bin/installd
442    class main
443    socket installd stream 600 system system
444
445service flash_recovery /system/etc/install-recovery.sh
446    class main
447    oneshot
448
449service racoon /system/bin/racoon
450    class main
451    socket racoon stream 600 system system
452    # IKE uses UDP port 500. Racoon will setuid to vpn after binding the port.
453    group vpn net_admin
454    disabled
455    oneshot
456
457service mtpd /system/bin/mtpd
458    class main
459    socket mtpd stream 600 system system
460    user vpn
461    group vpn net_admin net_raw
462    disabled
463    oneshot
464
465service keystore /system/bin/keystore /data/misc/keystore
466    class main
467    user keystore
468    group keystore
469    socket keystore stream 666
470
471service dumpstate /system/bin/dumpstate -s
472    class main
473    socket dumpstate stream 0660 shell log
474    disabled
475    oneshot
476