init.rc revision ca47cef7491caf6072984d9d64c768717baad09a 
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 charger
267    class_start charger
268
269on property:vold.decrypt=trigger_reset_main
270    class_reset main
271
272on property:vold.decrypt=trigger_load_persist_props
273    load_persist_props
274
275on property:vold.decrypt=trigger_post_fs_data
276    trigger post-fs-data
277
278on property:vold.decrypt=trigger_restart_min_framework
279    class_start main
280
281on property:vold.decrypt=trigger_restart_framework
282    class_start main
283    class_start late_start
284
285on property:vold.decrypt=trigger_shutdown_framework
286    class_reset late_start
287    class_reset main
288
289# Used to disable USB when switching states
290on property:sys.usb.config=none
291    stop adbd
292    write /sys/class/android_usb/android0/enable 0
293    write /sys/class/android_usb/android0/bDeviceClass 0
294    setprop sys.usb.state $sys.usb.config
295
296# adb only USB configuration
297# This should only be used during device bringup
298# and as a fallback if the USB manager fails to set a standard configuration
299on property:sys.usb.config=adb
300    write /sys/class/android_usb/android0/enable 0
301    write /sys/class/android_usb/android0/idVendor 18d1
302    write /sys/class/android_usb/android0/idProduct D002
303    write /sys/class/android_usb/android0/functions $sys.usb.config
304    write /sys/class/android_usb/android0/enable 1
305    start adbd
306    setprop sys.usb.state $sys.usb.config
307
308# USB accessory configuration
309on property:sys.usb.config=accessory
310    write /sys/class/android_usb/android0/enable 0
311    write /sys/class/android_usb/android0/idVendor 18d1
312    write /sys/class/android_usb/android0/idProduct 2d00
313    write /sys/class/android_usb/android0/functions $sys.usb.config
314    write /sys/class/android_usb/android0/enable 1
315    setprop sys.usb.state $sys.usb.config
316
317# USB accessory configuration, with adb
318on property:sys.usb.config=accessory,adb
319    write /sys/class/android_usb/android0/enable 0
320    write /sys/class/android_usb/android0/idVendor 18d1
321    write /sys/class/android_usb/android0/idProduct 2d01
322    write /sys/class/android_usb/android0/functions $sys.usb.config
323    write /sys/class/android_usb/android0/enable 1
324    start adbd
325    setprop sys.usb.state $sys.usb.config
326
327# Used to set USB configuration at boot and to switch the configuration
328# when changing the default configuration
329on property:persist.sys.usb.config=*
330    setprop sys.usb.config $persist.sys.usb.config
331
332## Daemon processes to be run by init.
333##
334service ueventd /sbin/ueventd
335    class core
336    critical
337
338service console /system/bin/sh
339    class core
340    console
341    disabled
342    user shell
343    group log
344
345on property:ro.debuggable=1
346    start console
347
348# adbd is controlled via property triggers in init.<platform>.usb.rc
349service adbd /sbin/adbd
350    class core
351    disabled
352
353# adbd on at boot in emulator
354on property:ro.kernel.qemu=1
355    start adbd
356
357# This property trigger has added to imitiate the previous behavior of "adb root".
358# The adb gadget driver used to reset the USB bus when the adbd daemon exited,
359# and the host side adb relied on this behavior to force it to reconnect with the
360# new adbd instance after init relaunches it. So now we force the USB bus to reset
361# here when adbd sets the service.adb.root property to 1.  We also restart adbd here
362# rather than waiting for init to notice its death and restarting it so the timing
363# of USB resetting and adb restarting more closely matches the previous behavior.
364on property:service.adb.root=1
365    write /sys/class/android_usb/android0/enable 0
366    restart adbd
367    write /sys/class/android_usb/android0/enable 1
368
369service servicemanager /system/bin/servicemanager
370    class core
371    user system
372    group system
373    critical
374    onrestart restart zygote
375    onrestart restart media
376
377service vold /system/bin/vold
378    class core
379    socket vold stream 0660 root mount
380    ioprio be 2
381
382service netd /system/bin/netd
383    class main
384    socket netd stream 0660 root system
385    socket dnsproxyd stream 0660 root inet
386
387service debuggerd /system/bin/debuggerd
388    class main
389
390service ril-daemon /system/bin/rild
391    class main
392    socket rild stream 660 root radio
393    socket rild-debug stream 660 radio system
394    user root
395    group radio cache inet misc audio sdcard_rw
396
397service surfaceflinger /system/bin/surfaceflinger
398    class main
399    user system
400    group graphics
401    onrestart restart zygote
402
403service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
404    class main
405    socket zygote stream 666
406    onrestart write /sys/android_power/request_state wake
407    onrestart write /sys/power/state on
408    onrestart restart media
409    onrestart restart netd
410
411service drm /system/bin/drmserver
412    class main
413    user drm
414    group system inet
415
416service media /system/bin/mediaserver
417    class main
418    user media
419    group audio camera inet net_bt net_bt_admin net_bw_acct
420    ioprio rt 4
421
422service bootanim /system/bin/bootanimation
423    class main
424    user graphics
425    group graphics
426    disabled
427    oneshot
428
429service dbus /system/bin/dbus-daemon --system --nofork
430    class main
431    socket dbus stream 660 bluetooth bluetooth
432    user bluetooth
433    group bluetooth net_bt_admin
434
435service bluetoothd /system/bin/bluetoothd -n
436    class main
437    socket bluetooth stream 660 bluetooth bluetooth
438    socket dbus_bluetooth stream 660 bluetooth bluetooth
439    # init.rc does not yet support applying capabilities, so run as root and
440    # let bluetoothd drop uid to bluetooth with the right linux capabilities
441    group bluetooth net_bt_admin misc
442    disabled
443
444service installd /system/bin/installd
445    class main
446    socket installd stream 600 system system
447
448service flash_recovery /system/etc/install-recovery.sh
449    class main
450    oneshot
451
452service racoon /system/bin/racoon
453    class main
454    socket racoon stream 600 system system
455    # IKE uses UDP port 500. Racoon will setuid to vpn after binding the port.
456    group vpn net_admin inet
457    disabled
458    oneshot
459
460service mtpd /system/bin/mtpd
461    class main
462    socket mtpd stream 600 system system
463    user vpn
464    group vpn net_admin inet net_raw
465    disabled
466    oneshot
467
468service keystore /system/bin/keystore /data/misc/keystore
469    class main
470    user keystore
471    group keystore
472    socket keystore stream 666
473
474service dumpstate /system/bin/dumpstate -s
475    class main
476    socket dumpstate stream 0660 shell log
477    disabled
478    oneshot
479