| # Copyright (C) 2012 The Android Open Source Project | |
| # | |
| # IMPORTANT: Do not create world writable files or directories. | |
| # This is a common source of Android security bugs. | |
| # | |
| import /init.environ.rc | |
| import /system/etc/init/hw/init.usb.rc | |
| import /init.${ro.hardware}.rc | |
| import /vendor/etc/init/hw/init.${ro.hardware}.rc | |
| import /system/etc/init/hw/init.usb.configfs.rc | |
| import /system/etc/init/hw/init.${ro.zygote}.rc | |
| # Cgroups are mounted right before early-init using list from /etc/cgroups.json | |
| on early-init | |
| # Disable sysrq from keyboard | |
| write /proc/sys/kernel/sysrq 0 | |
| # Android doesn't need kernel module autoloading, and it causes SELinux | |
| # denials. So disable it by setting modprobe to the empty string. Note: to | |
| # explicitly set a sysctl to an empty string, a trailing newline is needed. | |
| write /proc/sys/kernel/modprobe \n | |
| # Set the security context of /adb_keys if present. | |
| restorecon /adb_keys | |
| # Set the security context of /postinstall if present. | |
| restorecon /postinstall | |
| # memory.pressure_level used by lmkd | |
| chown root system /dev/memcg/memory.pressure_level | |
| chmod 0040 /dev/memcg/memory.pressure_level | |
| # app mem cgroups, used by activity manager, lmkd and zygote | |
| mkdir /dev/memcg/apps/ 0755 system system | |
| # cgroup for system_server and surfaceflinger | |
| mkdir /dev/memcg/system 0550 system system | |
| # symlink the Android specific /dev/tun to Linux expected /dev/net/tun | |
| mkdir /dev/net 0755 root root | |
| symlink ../tun /dev/net/tun | |
| # set RLIMIT_NICE to allow priorities from 19 to -20 | |
| setrlimit nice 40 40 | |
| # Allow up to 32K FDs per process | |
| setrlimit nofile 32768 32768 | |
| # set RLIMIT_MEMLOCK to 64KB | |
| setrlimit memlock 65536 65536 | |
| # Set up linker config subdirectories based on mount namespaces | |
| mkdir /linkerconfig/bootstrap 0755 | |
| mkdir /linkerconfig/default 0755 | |
| # Greatly extend dm-verity's Merkle tree cache timeout. The default timeout | |
| # is much too short and is unnecessary, given that there is also a shrinker. | |
| write /sys/module/dm_bufio/parameters/max_age_seconds 86400 | |
| # Disable dm-verity hash prefetching, since it doesn't help performance | |
| # Read more in b/136247322 | |
| write /sys/module/dm_verity/parameters/prefetch_cluster 0 | |
| # Generate empty ld.config.txt for early executed processes which rely on | |
| # /system/lib libraries. | |
| write /linkerconfig/bootstrap/ld.config.txt \# | |
| write /linkerconfig/default/ld.config.txt \# | |
| chmod 644 /linkerconfig/bootstrap/ld.config.txt | |
| chmod 644 /linkerconfig/default/ld.config.txt | |
| # Mount bootstrap linker configuration as current | |
| mount none /linkerconfig/bootstrap /linkerconfig bind rec | |
| start ueventd | |
| # Mount tracefs (with GID=AID_READTRACEFS) | |
| mount tracefs tracefs /sys/kernel/tracing gid=3012 | |
| # Run apexd-bootstrap so that APEXes that provide critical libraries | |
| # become available. Note that this is executed as exec_start to ensure that | |
| # the libraries are available to the processes started after this statement. | |
| exec_start apexd-bootstrap | |
| perform_apex_config --bootstrap | |
| # These must already exist by the time boringssl_self_test32 / boringssl_self_test64 run. | |
| mkdir /dev/boringssl 0755 root root | |
| mkdir /dev/boringssl/selftest 0755 root root | |
| # create sys dirctory | |
| mkdir /dev/sys 0755 system system | |
| mkdir /dev/sys/fs 0755 system system | |
| mkdir /dev/sys/block 0755 system system | |
| # Create location for fs_mgr to store abbreviated output from filesystem | |
| # checker programs. | |
| mkdir /dev/fscklogs 0770 root system | |
| # Create tmpfs for use by the shell user. | |
| mount tmpfs tmpfs /tmp | |
| restorecon /tmp | |
| chown shell shell /tmp | |
| chmod 0771 /tmp | |
| on init | |
| sysclktz 0 | |
| # Mix device-specific information into the entropy pool | |
| copy /proc/cmdline /dev/urandom | |
| copy /proc/bootconfig /dev/urandom | |
| symlink /proc/self/fd/0 /dev/stdin | |
| symlink /proc/self/fd/1 /dev/stdout | |
| symlink /proc/self/fd/2 /dev/stderr | |
| # Create socket dir for ot-daemon | |
| mkdir /dev/socket/ot-daemon 0770 thread_network thread_network | |
| # cpuctl hierarchy for devices using utilclamp | |
| mkdir /dev/cpuctl/foreground | |
| mkdir /dev/cpuctl/foreground_window | |
| mkdir /dev/cpuctl/background | |
| mkdir /dev/cpuctl/top-app | |
| mkdir /dev/cpuctl/rt | |
| mkdir /dev/cpuctl/system | |
| mkdir /dev/cpuctl/system-background | |
| mkdir /dev/cpuctl/dex2oat | |
| chown system system /dev/cpuctl | |
| chown system system /dev/cpuctl/foreground | |
| chown system system /dev/cpuctl/foreground_window | |
| chown system system /dev/cpuctl/background | |
| chown system system /dev/cpuctl/top-app | |
| chown system system /dev/cpuctl/rt | |
| chown system system /dev/cpuctl/system | |
| chown system system /dev/cpuctl/system-background | |
| chown system system /dev/cpuctl/dex2oat | |
| chown system system /dev/cpuctl/tasks | |
| chown system system /dev/cpuctl/foreground/tasks | |
| chown system system /dev/cpuctl/foreground_window/tasks | |
| chown system system /dev/cpuctl/background/tasks | |
| chown system system /dev/cpuctl/top-app/tasks | |
| chown system system /dev/cpuctl/rt/tasks | |
| chown system system /dev/cpuctl/system/tasks | |
| chown system system /dev/cpuctl/system-background/tasks | |
| chown system system /dev/cpuctl/dex2oat/tasks | |
| chown system system /dev/cpuctl/cgroup.procs | |
| chown system system /dev/cpuctl/foreground/cgroup.procs | |
| chown system system /dev/cpuctl/foreground_window/cgroup.procs | |
| chown system system /dev/cpuctl/background/cgroup.procs | |
| chown system system /dev/cpuctl/top-app/cgroup.procs | |
| chown system system /dev/cpuctl/rt/cgroup.procs | |
| chown system system /dev/cpuctl/system/cgroup.procs | |
| chown system system /dev/cpuctl/system-background/cgroup.procs | |
| chown system system /dev/cpuctl/dex2oat/cgroup.procs | |
| chmod 0664 /dev/cpuctl/tasks | |
| chmod 0664 /dev/cpuctl/foreground/tasks | |
| chmod 0664 /dev/cpuctl/foreground_window/tasks | |
| chmod 0664 /dev/cpuctl/background/tasks | |
| chmod 0664 /dev/cpuctl/top-app/tasks | |
| chmod 0664 /dev/cpuctl/rt/tasks | |
| chmod 0664 /dev/cpuctl/system/tasks | |
| chmod 0664 /dev/cpuctl/system-background/tasks | |
| chmod 0664 /dev/cpuctl/dex2oat/tasks | |
| chmod 0664 /dev/cpuctl/cgroup.procs | |
| chmod 0664 /dev/cpuctl/foreground/cgroup.procs | |
| chmod 0664 /dev/cpuctl/foreground_window/cgroup.procs | |
| chmod 0664 /dev/cpuctl/background/cgroup.procs | |
| chmod 0664 /dev/cpuctl/top-app/cgroup.procs | |
| chmod 0664 /dev/cpuctl/rt/cgroup.procs | |
| chmod 0664 /dev/cpuctl/system/cgroup.procs | |
| chmod 0664 /dev/cpuctl/system-background/cgroup.procs | |
| chmod 0664 /dev/cpuctl/dex2oat/cgroup.procs | |
| # Create a cpu group for NNAPI HAL processes | |
| mkdir /dev/cpuctl/nnapi-hal | |
| chown system system /dev/cpuctl/nnapi-hal | |
| chown system system /dev/cpuctl/nnapi-hal/tasks | |
| chown system system /dev/cpuctl/nnapi-hal/cgroup.procs | |
| chmod 0664 /dev/cpuctl/nnapi-hal/tasks | |
| chmod 0664 /dev/cpuctl/nnapi-hal/cgroup.procs | |
| write /dev/cpuctl/nnapi-hal/cpu.uclamp.min 1 | |
| write /dev/cpuctl/nnapi-hal/cpu.uclamp.latency_sensitive 1 | |
| # Create a cpu group for camera daemon processes | |
| mkdir /dev/cpuctl/camera-daemon | |
| chown system system /dev/cpuctl/camera-daemon | |
| chown system system /dev/cpuctl/camera-daemon/tasks | |
| chown system system /dev/cpuctl/camera-daemon/cgroup.procs | |
| chmod 0664 /dev/cpuctl/camera-daemon/tasks | |
| chmod 0664 /dev/cpuctl/camera-daemon/cgroup.procs | |
| # Create blkio group and apply initial settings. | |
| # This feature needs kernel to support it, and the | |
| # device's init.rc must actually set the correct values. | |
| mkdir /dev/blkio/background | |
| chown system system /dev/blkio | |
| chown system system /dev/blkio/background | |
| chown system system /dev/blkio/tasks | |
| chown system system /dev/blkio/background/tasks | |
| chown system system /dev/blkio/cgroup.procs | |
| chown system system /dev/blkio/background/cgroup.procs | |
| chmod 0664 /dev/blkio/tasks | |
| chmod 0664 /dev/blkio/background/tasks | |
| chmod 0664 /dev/blkio/cgroup.procs | |
| chmod 0664 /dev/blkio/background/cgroup.procs | |
| write /dev/blkio/blkio.weight 1000 | |
| write /dev/blkio/background/blkio.weight 200 | |
| write /dev/blkio/background/blkio.bfq.weight 10 | |
| write /dev/blkio/blkio.group_idle 0 | |
| write /dev/blkio/background/blkio.group_idle 0 | |
| write /dev/blkio/background/blkio.prio.class restrict-to-be | |
| restorecon_recursive /mnt | |
| mount configfs none /config nodev noexec nosuid | |
| chmod 0770 /config/sdcardfs | |
| chown system package_info /config/sdcardfs | |
| # Mount binderfs | |
| mkdir /dev/binderfs | |
| mount binder binder /dev/binderfs stats=global | |
| chmod 0755 /dev/binderfs | |
| # Mount fusectl | |
| mount fusectl none /sys/fs/fuse/connections | |
| symlink /dev/binderfs/binder /dev/binder | |
| symlink /dev/binderfs/hwbinder /dev/hwbinder | |
| symlink /dev/binderfs/vndbinder /dev/vndbinder | |
| chmod 0666 /dev/binderfs/hwbinder | |
| chmod 0666 /dev/binderfs/binder | |
| chmod 0666 /dev/binderfs/vndbinder | |
| mkdir /mnt/secure 0700 root root | |
| mkdir /mnt/secure/asec 0700 root root | |
| mkdir /mnt/asec 0755 root system | |
| mkdir /mnt/obb 0755 root system | |
| mkdir /mnt/media_rw 0750 root external_storage | |
| mkdir /mnt/user 0755 root root | |
| mkdir /mnt/user/0 0755 root root | |
| mkdir /mnt/user/0/self 0755 root root | |
| mkdir /mnt/user/0/emulated 0755 root root | |
| mkdir /mnt/user/0/emulated/0 0755 root root | |
| # Prepare directories for pass through processes | |
| mkdir /mnt/pass_through 0700 root root | |
| mkdir /mnt/pass_through/0 0710 root media_rw | |
| mkdir /mnt/pass_through/0/self 0710 root media_rw | |
| mkdir /mnt/pass_through/0/emulated 0710 root media_rw | |
| mkdir /mnt/pass_through/0/emulated/0 0710 root media_rw | |
| mkdir /mnt/expand 0771 system system | |
| mkdir /mnt/appfuse 0711 root root | |
| # Storage views to support runtime permissions | |
| mkdir /mnt/runtime 0700 root root | |
| mkdir /mnt/runtime/default 0755 root root | |
| mkdir /mnt/runtime/default/self 0755 root root | |
| mkdir /mnt/runtime/read 0755 root root | |
| mkdir /mnt/runtime/read/self 0755 root root | |
| mkdir /mnt/runtime/write 0755 root root | |
| mkdir /mnt/runtime/write/self 0755 root root | |
| mkdir /mnt/runtime/full 0755 root root | |
| mkdir /mnt/runtime/full/self 0755 root root | |
| # For Pre-reboot Dexopt | |
| mkdir /mnt/pre_reboot_dexopt 0755 artd artd | |
| # Symlink to keep legacy apps working in multi-user world | |
| symlink /storage/self/primary /mnt/sdcard | |
| symlink /mnt/user/0/primary /mnt/runtime/default/self/primary | |
| write /proc/sys/kernel/panic_on_oops 1 | |
| write /proc/sys/kernel/hung_task_timeout_secs 0 | |
| write /proc/cpu/alignment 4 | |
| # scheduler tunables | |
| # Disable auto-scaling of scheduler tunables with hotplug. The tunables | |
| # will vary across devices in unpredictable ways if allowed to scale with | |
| # cpu cores. | |
| write /proc/sys/kernel/sched_tunable_scaling 0 | |
| write /proc/sys/kernel/sched_latency_ns 10000000 | |
| write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000 | |
| write /proc/sys/kernel/sched_child_runs_first 0 | |
| write /proc/sys/kernel/randomize_va_space 2 | |
| write /proc/sys/vm/mmap_min_addr 32768 | |
| write /proc/sys/net/ipv4/ping_group_range "0 2147483647" | |
| write /proc/sys/net/unix/max_dgram_qlen 2400 | |
| # Assign reasonable ceiling values for socket rcv/snd buffers. | |
| # These should almost always be overridden by the target per the | |
| # the corresponding technology maximums. | |
| write /proc/sys/net/core/rmem_max 262144 | |
| write /proc/sys/net/core/wmem_max 262144 | |
| # reflect fwmark from incoming packets onto generated replies | |
| write /proc/sys/net/ipv4/fwmark_reflect 1 | |
| write /proc/sys/net/ipv6/fwmark_reflect 1 | |
| # set fwmark on accepted sockets | |
| write /proc/sys/net/ipv4/tcp_fwmark_accept 1 | |
| # disable icmp redirects | |
| write /proc/sys/net/ipv4/conf/all/accept_redirects 0 | |
| write /proc/sys/net/ipv6/conf/all/accept_redirects 0 | |
| # /proc/net/fib_trie leaks interface IP addresses | |
| chmod 0400 /proc/net/fib_trie | |
| # sets up initial cpusets for ActivityManager | |
| # this ensures that the cpusets are present and usable, but the device's | |
| # init.rc must actually set the correct cpus | |
| mkdir /dev/cpuset/foreground | |
| copy /dev/cpuset/cpus /dev/cpuset/foreground/cpus | |
| copy /dev/cpuset/mems /dev/cpuset/foreground/mems | |
| mkdir /dev/cpuset/foreground_window | |
| copy /dev/cpuset/cpus /dev/cpuset/foreground_window/cpus | |
| copy /dev/cpuset/mems /dev/cpuset/foreground_window/mems | |
| mkdir /dev/cpuset/background | |
| copy /dev/cpuset/cpus /dev/cpuset/background/cpus | |
| copy /dev/cpuset/mems /dev/cpuset/background/mems | |
| # system-background is for system tasks that should only run on | |
| # little cores, not on bigs | |
| mkdir /dev/cpuset/system-background | |
| copy /dev/cpuset/cpus /dev/cpuset/system-background/cpus | |
| copy /dev/cpuset/mems /dev/cpuset/system-background/mems | |
| # restricted is for system tasks that are being throttled | |
| # due to screen off. | |
| mkdir /dev/cpuset/restricted | |
| copy /dev/cpuset/cpus /dev/cpuset/restricted/cpus | |
| copy /dev/cpuset/mems /dev/cpuset/restricted/mems | |
| mkdir /dev/cpuset/top-app | |
| copy /dev/cpuset/cpus /dev/cpuset/top-app/cpus | |
| copy /dev/cpuset/mems /dev/cpuset/top-app/mems | |
| # create a cpuset for camera daemon processes | |
| mkdir /dev/cpuset/camera-daemon | |
| copy /dev/cpuset/cpus /dev/cpuset/camera-daemon/cpus | |
| copy /dev/cpuset/mems /dev/cpuset/camera-daemon/mems | |
| # change permissions for all cpusets we'll touch at runtime | |
| chown system system /dev/cpuset | |
| chown system system /dev/cpuset/foreground | |
| chown system system /dev/cpuset/foreground_window | |
| chown system system /dev/cpuset/background | |
| chown system system /dev/cpuset/system-background | |
| chown system system /dev/cpuset/top-app | |
| chown system system /dev/cpuset/restricted | |
| chown system system /dev/cpuset/camera-daemon | |
| chown system system /dev/cpuset/tasks | |
| chown system system /dev/cpuset/foreground/tasks | |
| chown system system /dev/cpuset/foreground_window/tasks | |
| chown system system /dev/cpuset/background/tasks | |
| chown system system /dev/cpuset/system-background/tasks | |
| chown system system /dev/cpuset/top-app/tasks | |
| chown system system /dev/cpuset/restricted/tasks | |
| chown system system /dev/cpuset/camera-daemon/tasks | |
| chown system system /dev/cpuset/cgroup.procs | |
| chown system system /dev/cpuset/foreground/cgroup.procs | |
| chown system system /dev/cpuset/foreground_window/cgroup.procs | |
| chown system system /dev/cpuset/background/cgroup.procs | |
| chown system system /dev/cpuset/system-background/cgroup.procs | |
| chown system system /dev/cpuset/top-app/cgroup.procs | |
| chown system system /dev/cpuset/restricted/cgroup.procs | |
| chown system system /dev/cpuset/camera-daemon/cgroup.procs | |
| # set system-background to 0775 so SurfaceFlinger can touch it | |
| chmod 0775 /dev/cpuset/system-background | |
| chmod 0664 /dev/cpuset/foreground/tasks | |
| chmod 0664 /dev/cpuset/foreground_window/tasks | |
| chmod 0664 /dev/cpuset/background/tasks | |
| chmod 0664 /dev/cpuset/system-background/tasks | |
| chmod 0664 /dev/cpuset/top-app/tasks | |
| chmod 0664 /dev/cpuset/restricted/tasks | |
| chmod 0664 /dev/cpuset/tasks | |
| chmod 0664 /dev/cpuset/camera-daemon/tasks | |
| chmod 0664 /dev/cpuset/foreground/cgroup.procs | |
| chmod 0664 /dev/cpuset/foreground_window/cgroup.procs | |
| chmod 0664 /dev/cpuset/background/cgroup.procs | |
| chmod 0664 /dev/cpuset/system-background/cgroup.procs | |
| chmod 0664 /dev/cpuset/top-app/cgroup.procs | |
| chmod 0664 /dev/cpuset/restricted/cgroup.procs | |
| chmod 0664 /dev/cpuset/cgroup.procs | |
| chmod 0664 /dev/cpuset/camera-daemon/cgroup.procs | |
| # make the PSI monitor accessible to others | |
| chown system system /proc/pressure/memory | |
| chmod 0664 /proc/pressure/memory | |
| mount bpf bpf /sys/fs/bpf nodev noexec nosuid | |
| # pstore/ramoops previous console log | |
| mount pstore pstore /sys/fs/pstore nodev noexec nosuid | |
| chown system log /sys/fs/pstore | |
| chmod 0550 /sys/fs/pstore | |
| chown system log /sys/fs/pstore/console-ramoops | |
| chmod 0440 /sys/fs/pstore/console-ramoops | |
| chown system log /sys/fs/pstore/console-ramoops-0 | |
| chmod 0440 /sys/fs/pstore/console-ramoops-0 | |
| chown system log /sys/fs/pstore/pmsg-ramoops-0 | |
| chmod 0440 /sys/fs/pstore/pmsg-ramoops-0 | |
| # enable armv8_deprecated instruction hooks | |
| write /proc/sys/abi/swp 1 | |
| # Linux's execveat() syscall may construct paths containing /dev/fd | |
| # expecting it to point to /proc/self/fd | |
| symlink /proc/self/fd /dev/fd | |
| export DOWNLOAD_CACHE /data/cache | |
| # This allows the ledtrig-transient properties to be created here so | |
| # that they can be chown'd to system:system later on boot | |
| write /sys/class/leds/vibrator/trigger "transient" | |
| # This is used by Bionic to select optimized routines. | |
| write /dev/cpu_variant:${ro.bionic.arch} ${ro.bionic.cpu_variant} | |
| chmod 0444 /dev/cpu_variant:${ro.bionic.arch} | |
| write /dev/cpu_variant:${ro.bionic.2nd_arch} ${ro.bionic.2nd_cpu_variant} | |
| chmod 0444 /dev/cpu_variant:${ro.bionic.2nd_arch} | |
| # Allow system processes to read / write power state. | |
| chown system system /sys/power/state | |
| chown system system /sys/power/wakeup_count | |
| chmod 0660 /sys/power/state | |
| chown radio wakelock /sys/power/wake_lock | |
| chown radio wakelock /sys/power/wake_unlock | |
| chmod 0660 /sys/power/wake_lock | |
| chmod 0660 /sys/power/wake_unlock | |
| # Start logd before any other services run to ensure we capture all of their logs. | |
| start logd | |
| # Start lmkd before any other services run so that it can register them | |
| write /proc/sys/vm/watermark_boost_factor 0 | |
| chown root system /sys/module/lowmemorykiller/parameters/adj | |
| chmod 0664 /sys/module/lowmemorykiller/parameters/adj | |
| chown root system /sys/module/lowmemorykiller/parameters/minfree | |
| chmod 0664 /sys/module/lowmemorykiller/parameters/minfree | |
| start lmkd | |
| # Start essential services. | |
| start servicemanager | |
| start hwservicemanager | |
| start vndservicemanager | |
| # Mount /mnt/vm ASAP to allow early VMs to run. | |
| mkdir /mnt/vm 0755 root root | |
| mount tmpfs tmpfs /mnt/vm nosuid nodev noexec rw | |
| restorecon /mnt/vm | |
| chown system system /mnt/vm | |
| chmod 0770 /mnt/vm | |
| mkdir /mnt/vm/early 0770 system system | |
| # Run boringssl self test for each ABI. Any failures trigger reboot to firmware. | |
| import /system/etc/init/hw/init.boringssl.${ro.zygote}.rc | |
| service boringssl_self_test32 /system/bin/boringssl_self_test32 | |
| reboot_on_failure reboot,boringssl-self-check-failed | |
| stdio_to_kmsg | |
| # Explicitly specify that boringssl_self_test32 doesn't require any capabilities | |
| capabilities | |
| user nobody | |
| service boringssl_self_test64 /system/bin/boringssl_self_test64 | |
| reboot_on_failure reboot,boringssl-self-check-failed | |
| stdio_to_kmsg | |
| # Explicitly specify that boringssl_self_test64 doesn't require any capabilities | |
| capabilities | |
| user nobody | |
| service boringssl_self_test_apex32 /apex/com.android.conscrypt/bin/boringssl_self_test32 | |
| reboot_on_failure reboot,boringssl-self-check-failed | |
| stdio_to_kmsg | |
| # Explicitly specify that boringssl_self_test_apex32 doesn't require any capabilities | |
| capabilities | |
| user nobody | |
| service boringssl_self_test_apex64 /apex/com.android.conscrypt/bin/boringssl_self_test64 | |
| reboot_on_failure reboot,boringssl-self-check-failed | |
| stdio_to_kmsg | |
| # Explicitly specify that boringssl_self_test_apex64 doesn't require any capabilities | |
| capabilities | |
| user nobody | |
| # Healthd can trigger a full boot from charger mode by signaling this | |
| # property when the power button is held. | |
| on property:sys.boot_from_charger_mode=1 | |
| class_stop charger | |
| trigger late-init | |
| # Indicate to fw loaders that the relevant mounts are up. | |
| on firmware_mounts_complete | |
| rm /dev/.booting | |
| # Mount filesystems and start core system services. | |
| on late-init | |
| trigger early-fs | |
| # Mount fstab in init.{$device}.rc by mount_all command. Optional parameter | |
| # '--early' can be specified to skip entries with 'latemount'. | |
| # /system and /vendor must be mounted by the end of the fs stage, | |
| # while /data is optional. | |
| trigger fs | |
| trigger post-fs | |
| # Mount fstab in init.{$device}.rc by mount_all with '--late' parameter | |
| # to only mount entries with 'latemount'. This is needed if '--early' is | |
| # specified in the previous mount_all command on the fs stage. | |
| # With /system mounted and properties form /system + /factory available, | |
| # some services can be started. | |
| trigger late-fs | |
| # Now we can mount /data. File encryption requires keymaster to decrypt | |
| # /data, which in turn can only be loaded when system properties are present. | |
| trigger post-fs-data | |
| # Should be before netd, but after apex, properties and logging is available. | |
| trigger load-bpf-programs | |
| trigger bpf-progs-loaded | |
| # Now we can start zygote. | |
| trigger zygote-start | |
| # Remove a file to wake up anything waiting for firmware. | |
| trigger firmware_mounts_complete | |
| trigger early-boot | |
| trigger boot | |
| on early-fs | |
| # Once metadata has been mounted, we'll need vold to deal with userdata checkpointing | |
| start vold | |
| on post-fs | |
| exec - system system -- /system/bin/vdc checkpoint markBootAttempt | |
| # Once everything is setup, no need to modify /. | |
| # The bind+remount combination allows this to work in containers. | |
| mount rootfs rootfs / remount bind ro nodev | |
| # Mount default storage into root namespace | |
| mount none /mnt/user/0 /storage bind rec | |
| mount none none /storage slave rec | |
| # Make sure /sys/kernel/debug (if present) is labeled properly | |
| # Note that tracefs may be mounted under debug, so we need to cross filesystems | |
| restorecon --recursive --cross-filesystems /sys/kernel/debug | |
| # We chown/chmod /cache again so because mount is run as root + defaults | |
| chown system cache /cache | |
| chmod 0770 /cache | |
| # We restorecon /cache in case the cache partition has been reset. | |
| restorecon_recursive /cache | |
| # Create /cache/recovery in case it's not there. It'll also fix the odd | |
| # permissions if created by the recovery system. | |
| mkdir /cache/recovery 0770 system cache | |
| # Backup/restore mechanism uses the cache partition | |
| mkdir /cache/backup_stage 0700 system system | |
| mkdir /cache/backup 0700 system system | |
| #change permissions on vmallocinfo so we can grab it from bugreports | |
| chown root log /proc/vmallocinfo | |
| chmod 0440 /proc/vmallocinfo | |
| chown root log /proc/allocinfo | |
| chmod 0440 /proc/allocinfo | |
| chown root log /proc/slabinfo | |
| chmod 0440 /proc/slabinfo | |
| chown root log /proc/pagetypeinfo | |
| chmod 0440 /proc/pagetypeinfo | |
| #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks | |
| chown root system /proc/kmsg | |
| chmod 0440 /proc/kmsg | |
| chown root system /proc/sysrq-trigger | |
| chmod 0220 /proc/sysrq-trigger | |
| chown system log /proc/last_kmsg | |
| chmod 0440 /proc/last_kmsg | |
| # make the selinux kernel policy world-readable | |
| chmod 0444 /sys/fs/selinux/policy | |
| # create the lost+found directories, so as to enforce our permissions | |
| mkdir /cache/lost+found 0770 root root | |
| restorecon_recursive /metadata | |
| mkdir /metadata/vold | |
| chmod 0700 /metadata/vold | |
| mkdir /metadata/password_slots 0771 root system | |
| mkdir /metadata/bootstat 0750 system log | |
| mkdir /metadata/ota 0750 root system | |
| mkdir /metadata/ota/snapshots 0750 root system | |
| mkdir /metadata/watchdog 0770 root system | |
| mkdir /metadata/tradeinmode 0770 root system | |
| mkdir /metadata/prefetch 0770 root system | |
| mkdir /metadata/apex 0700 root system | |
| mkdir /metadata/apex/sessions 0700 root system | |
| # On some devices we see a weird behaviour in which /metadata/apex doesn't | |
| # have a correct label. To workaround this bug, explicitly call restorecon | |
| # on /metadata/apex. For most of the boot sequences /metadata/apex will | |
| # already have a correct selinux label, meaning that this call will be a | |
| # no-op. | |
| restorecon_recursive /metadata/apex | |
| mkdir /metadata/staged-install 0770 root system | |
| on late-fs | |
| # Ensure that tracefs has the correct permissions. | |
| # This does not work correctly if it is called in post-fs. | |
| chmod 0755 /sys/kernel/tracing | |
| chmod 0755 /sys/kernel/debug/tracing | |
| # HALs required before storage encryption can get unlocked (FBE) | |
| class_start early_hal | |
| # Only enable the bootreceiver tracing instance for kernels 5.10 and above. | |
| on late-fs && property:ro.kernel.version=4.19 | |
| setprop bootreceiver.enable 0 | |
| on late-fs && property:ro.kernel.version=5.4 | |
| setprop bootreceiver.enable 0 | |
| on late-fs | |
| # Bootreceiver tracing instance is enabled by default. | |
| setprop bootreceiver.enable ${bootreceiver.enable:-1} | |
| on property:ro.product.cpu.abilist64=* && property:bootreceiver.enable=1 | |
| # Set up a tracing instance for system_server to monitor error_report_end events. | |
| # These are sent by kernel tools like KASAN and KFENCE when a memory corruption | |
| # is detected. This is only needed for 64-bit systems. | |
| mkdir /sys/kernel/tracing/instances/bootreceiver 0700 system system | |
| restorecon_recursive /sys/kernel/tracing/instances/bootreceiver | |
| write /sys/kernel/tracing/instances/bootreceiver/buffer_size_kb 1 | |
| write /sys/kernel/tracing/instances/bootreceiver/trace_options disable_on_free | |
| write /sys/kernel/tracing/instances/bootreceiver/events/error_report/error_report_end/enable 1 | |
| on post-fs-data | |
| # Start checkpoint before we touch data | |
| exec - system system -- /system/bin/vdc checkpoint prepareCheckpoint | |
| # We chown/chmod /data again so because mount is run as root + defaults | |
| chown system system /data | |
| chmod 0771 /data | |
| # We restorecon /data in case the userdata partition has been reset. | |
| restorecon /data | |
| # Make sure we have the device encryption key. | |
| installkey /data | |
| # Start bootcharting as soon as possible after the data partition is | |
| # mounted to collect more data. | |
| mkdir /data/bootchart 0755 shell shell encryption=Require | |
| bootchart start | |
| # Avoid predictable entropy pool. Carry over entropy from previous boot. | |
| copy /data/system/entropy.dat /dev/urandom | |
| mkdir /data/vendor 0771 root root encryption=Require | |
| mkdir /data/vendor/hardware 0771 root root | |
| # Start tombstoned early to be able to store tombstones. | |
| mkdir /data/anr 0775 system system encryption=Require | |
| mkdir /data/tombstones 0775 system system encryption=Require | |
| mkdir /data/vendor/tombstones 0771 root root | |
| mkdir /data/vendor/tombstones/wifi 0771 wifi wifi | |
| start tombstoned | |
| # Make sure that apexd is started in the default namespace | |
| enter_default_mount_ns | |
| # set up keystore directory structure first so that we can end early boot | |
| # and start apexd | |
| mkdir /data/misc 01771 system misc encryption=Require | |
| mkdir /data/misc/keystore 0700 keystore keystore | |
| # work around b/183668221 | |
| restorecon /data/misc /data/misc/keystore | |
| # Boot level 30 | |
| # odsign signing keys have MAX_BOOT_LEVEL=30 | |
| # This is currently the earliest boot level, but we start at 30 | |
| # to leave room for earlier levels. | |
| setprop keystore.boot_level 30 | |
| # Now that /data is mounted and we have created /data/misc/keystore, | |
| # we can tell keystore to stop allowing use of early-boot keys, | |
| # and access its database for the first time to support creation and | |
| # use of MAX_BOOT_LEVEL keys. | |
| exec - system system -- /system/bin/vdc keymaster earlyBootEnded | |
| # Multi-installed APEXes are selected using persist props. | |
| # Load persist properties and override properties (if enabled) from /data, | |
| # before starting apexd. | |
| # /data/property should be created before `load_persist_props` | |
| mkdir /data/property 0700 root root encryption=Require | |
| load_persist_props | |
| start logd | |
| start logd-reinit | |
| # Some existing vendor rc files use 'on load_persist_props_action' to know | |
| # when persist props are ready. These are difficult to change due to GRF, | |
| # so continue triggering this action here even though props are already loaded | |
| # by the 'load_persist_props' call above. | |
| trigger load_persist_props_action | |
| # /data/apex is now available. Start apexd to scan and activate APEXes. | |
| # | |
| # To handle userspace reboots, make sure that apexd is started cleanly here | |
| # (set apexd.status="") and that it is restarted if it's already running. | |
| # | |
| # /data/apex uses encryption=None because direct I/O support is needed on | |
| # APEX files, but some devices don't support direct I/O on encrypted files. | |
| # Also, APEXes are public information, similar to the system image. | |
| # /data/apex/decompressed and /data/apex/ota_reserved override this setting; | |
| # they are encrypted so that files in them can be hard-linked into | |
| # /data/rollback which is encrypted. | |
| mkdir /data/apex 0755 root system encryption=None | |
| mkdir /data/apex/active 0755 root system | |
| mkdir /data/apex/backup 0700 root system | |
| mkdir /data/apex/decompressed 0755 root system encryption=Require | |
| mkdir /data/app-staging 0751 system system encryption=DeleteIfNecessary | |
| mkdir /data/apex/ota_reserved 0700 root system encryption=Require | |
| setprop apexd.status "" | |
| restart apexd | |
| # create rest of basic filesystem structure | |
| mkdir /data/misc/recovery 0770 system log | |
| copy /data/misc/recovery/ro.build.fingerprint /data/misc/recovery/ro.build.fingerprint.1 | |
| chmod 0440 /data/misc/recovery/ro.build.fingerprint.1 | |
| chown system log /data/misc/recovery/ro.build.fingerprint.1 | |
| write /data/misc/recovery/ro.build.fingerprint ${ro.build.fingerprint} | |
| chmod 0440 /data/misc/recovery/ro.build.fingerprint | |
| chown system log /data/misc/recovery/ro.build.fingerprint | |
| mkdir /data/misc/recovery/proc 0770 system log | |
| copy /data/misc/recovery/proc/version /data/misc/recovery/proc/version.1 | |
| chmod 0440 /data/misc/recovery/proc/version.1 | |
| chown system log /data/misc/recovery/proc/version.1 | |
| copy /proc/version /data/misc/recovery/proc/version | |
| chmod 0440 /data/misc/recovery/proc/version | |
| chown system log /data/misc/recovery/proc/version | |
| mkdir /data/misc/bluedroid 02770 bluetooth bluetooth | |
| # Fix the access permissions and group ownership for 'bt_config.conf' | |
| chmod 0660 /data/misc/bluedroid/bt_config.conf | |
| chown bluetooth bluetooth /data/misc/bluedroid/bt_config.conf | |
| mkdir /data/misc/bluetooth 0770 bluetooth bluetooth | |
| mkdir /data/misc/bluetooth/logs 0770 bluetooth bluetooth | |
| mkdir /data/misc/nfc 0770 nfc nfc | |
| mkdir /data/misc/nfc/logs 0770 nfc nfc | |
| mkdir /data/misc/credstore 0700 credstore credstore | |
| mkdir /data/misc/gatekeeper 0700 system system | |
| mkdir /data/misc/keychain 0771 system system | |
| mkdir /data/misc/net 0750 root shell | |
| mkdir /data/misc/radio 0770 system radio | |
| mkdir /data/misc/sms 0770 system radio | |
| mkdir /data/misc/carrierid 0770 system radio | |
| mkdir /data/misc/apns 0770 system radio | |
| mkdir /data/misc/emergencynumberdb 0770 system radio | |
| mkdir /data/misc/network_watchlist 0774 system system | |
| mkdir /data/misc/telephonyconfig 0770 system radio | |
| mkdir /data/misc/textclassifier 0771 system system | |
| mkdir /data/misc/vpn 0770 system vpn | |
| mkdir /data/misc/shared_relro 0771 shared_relro shared_relro | |
| mkdir /data/misc/systemkeys 0700 system system | |
| mkdir /data/misc/wifi 0770 wifi wifi | |
| mkdir /data/misc/wifi/mainline_supplicant 0770 wifi wifi | |
| mkdir /data/misc/wifi/mainline_supplicant/sockets 0770 wifi wifi | |
| mkdir /data/misc/wifi/sockets 0770 wifi wifi | |
| mkdir /data/misc/wifi/wpa_supplicant 0770 wifi wifi | |
| mkdir /data/misc/ethernet 0770 system system | |
| mkdir /data/misc/dhcp 0770 dhcp dhcp | |
| mkdir /data/misc/user 0771 root root | |
| # give system access to wpa_supplicant.conf for backup and restore | |
| chmod 0660 /data/misc/wifi/wpa_supplicant.conf | |
| mkdir /data/local 0751 root root encryption=Require | |
| mkdir /data/misc/media 0700 media media | |
| mkdir /data/misc/audioserver 0700 audioserver audioserver | |
| mkdir /data/misc/cameraserver 0700 cameraserver cameraserver | |
| mkdir /data/misc/vold 0700 root root | |
| mkdir /data/misc/boottrace 0771 system shell | |
| mkdir /data/misc/update_engine 0700 root root | |
| mkdir /data/misc/update_engine_log 02750 root update_engine_log | |
| chown root update_engine_log /data/misc/update_engine_log | |
| mkdir /data/misc/trace 0700 root root | |
| # create location to store surface and window trace files | |
| mkdir /data/misc/wmtrace 0700 system system | |
| # create location to store accessibility trace files | |
| mkdir /data/misc/a11ytrace 0700 system system | |
| # profile file layout | |
| mkdir /data/misc/profiles 0771 system system | |
| mkdir /data/misc/profiles/cur 0771 system system | |
| mkdir /data/misc/profiles/ref 0771 system system | |
| mkdir /data/misc/profman 0770 system shell | |
| mkdir /data/misc/gcov 0770 root root | |
| mkdir /data/misc/installd 0700 root root | |
| mkdir /data/misc/apexdata 0711 root root | |
| mkdir /data/misc/apexrollback 0700 root root | |
| mkdir /data/misc/appcompat/ 0700 system system | |
| mkdir /data/misc/uprobestats-configs/ 0777 uprobestats uprobestats | |
| mkdir /data/misc/snapshotctl_log 0755 root root | |
| # create location to store pre-reboot information | |
| mkdir /data/misc/prereboot 0700 system system | |
| # directory used for on-device refresh metrics file. | |
| mkdir /data/misc/odrefresh 0777 system system | |
| # directory used for on-device signing key blob | |
| mkdir /data/misc/odsign 0710 root system | |
| # directory used for odsign metrics | |
| mkdir /data/misc/odsign/metrics 0770 root system | |
| # directory used for connectivity blob store. | |
| mkdir /data/misc/connectivityblobdb 0770 system system | |
| # Directory for VirtualizationService temporary image files. | |
| # Delete any stale files owned by the old virtualizationservice uid (b/230056726). | |
| chmod 0770 /data/misc/virtualizationservice | |
| exec - virtualizationservice system -- /bin/rm -rf /data/misc/virtualizationservice | |
| mkdir /data/misc/virtualizationservice 0771 system system | |
| # /data/preloads uses encryption=None because it only contains preloaded | |
| # files that are public information, similar to the system image. | |
| mkdir /data/preloads 0775 system system encryption=None | |
| # For security reasons, /data/local/tmp should always be empty. | |
| # Do not place files or directories in /data/local/tmp | |
| mkdir /data/local/tmp 0771 shell shell | |
| mkdir /data/local/traces 0777 shell shell | |
| mkdir /data/app-private 0771 system system encryption=Require | |
| mkdir /data/app-ephemeral 0771 system system encryption=Require | |
| mkdir /data/app-asec 0700 root root encryption=Require | |
| mkdir /data/app-lib 0771 system system encryption=Require | |
| mkdir /data/app 0771 system system encryption=Require | |
| # Create directory for app metadata files | |
| mkdir /data/app-metadata 0700 system system encryption=Require | |
| # create directory for updated font files. | |
| mkdir /data/fonts/ 0771 root root encryption=Require | |
| mkdir /data/fonts/files 0771 system system | |
| mkdir /data/fonts/config 0770 system system | |
| # Create directories to push tests to for each linker namespace. | |
| # Create the subdirectories in case the first test is run as root | |
| # so it doesn't end up owned by root. | |
| # Set directories to be executable by any process so that debuggerd, | |
| # aka crash_dump, can read any executables/shared libraries. | |
| mkdir /data/local/tests 0701 shell shell | |
| mkdir /data/local/tests/product 0701 shell shell | |
| mkdir /data/local/tests/system 0701 shell shell | |
| mkdir /data/local/tests/unrestricted 0701 shell shell | |
| mkdir /data/local/tests/vendor 0701 shell shell | |
| # create dalvik-cache, so as to enforce our permissions | |
| mkdir /data/dalvik-cache 0771 root root encryption=Require | |
| # create the A/B OTA directory, so as to enforce our permissions | |
| mkdir /data/ota 0771 root root encryption=Require | |
| # create the OTA package directory. It will be accessed by GmsCore (cache | |
| # group), update_engine and update_verifier. | |
| mkdir /data/ota_package 0770 system cache encryption=Require | |
| # create resource-cache and double-check the perms | |
| mkdir /data/resource-cache 0771 system system encryption=Require | |
| chown system system /data/resource-cache | |
| chmod 0771 /data/resource-cache | |
| # Ensure that lost+found exists and has the correct permissions. Linux | |
| # filesystems expect this directory to exist; it's where the fsck tool puts | |
| # any recovered files that weren't present in any directory. It must be | |
| # unencrypted, as fsck must be able to write to it. | |
| mkdir /data/lost+found 0770 root root encryption=None | |
| # create directory for DRM plug-ins - give drm the read/write access to | |
| # the following directory. | |
| mkdir /data/drm 0770 drm drm encryption=Require | |
| # create directory for MediaDrm plug-ins - give drm the read/write access to | |
| # the following directory. | |
| mkdir /data/mediadrm 0770 mediadrm mediadrm encryption=Require | |
| # NFC: create data/nfc for nv storage | |
| mkdir /data/nfc 0770 nfc nfc encryption=Require | |
| mkdir /data/nfc/param 0770 nfc nfc | |
| # Create all remaining /data root dirs so that they are made through init | |
| # and get proper encryption policy installed | |
| mkdir /data/backup 0700 system system encryption=Require | |
| mkdir /data/ss 0700 system system encryption=Require | |
| mkdir /data/system 0775 system system encryption=Require | |
| mkdir /data/system/environ 0700 system system | |
| # b/183861600 attempt to fix selinux label before running derive_classpath service | |
| restorecon /data/system/environ | |
| mkdir /data/system/dropbox 0700 system system | |
| mkdir /data/system/heapdump 0700 system system | |
| mkdir /data/system/users 0775 system system | |
| # Mkdir and set SELinux security contexts for shutdown-checkpoints. | |
| # TODO(b/270286197): remove these after couple releases. | |
| mkdir /data/system/shutdown-checkpoints 0755 system system | |
| restorecon_recursive /data/system/shutdown-checkpoints | |
| # Create the parent directories of the user CE and DE storage directories. | |
| # These parent directories must use encryption=None, since each of their | |
| # subdirectories uses a different encryption policy (a per-user one), and | |
| # encryption policies apply recursively. These directories should never | |
| # contain any subdirectories other than the per-user ones. /data/media/obb | |
| # is an exception that exists for legacy reasons. | |
| # | |
| # Don't use any write mode bits (0222) for any of these directories, since | |
| # the only process that should write to them directly is vold (since it | |
| # needs to set up file-based encryption on the subdirectories), which runs | |
| # as root with CAP_DAC_OVERRIDE. This is also fully enforced via the | |
| # SELinux policy. But we also set the DAC file modes accordingly, to try to | |
| # minimize differences in behavior if SELinux is set to permissive mode. | |
| mkdir /data/media 0550 media_rw media_rw encryption=None | |
| mkdir /data/misc_ce 0551 system misc encryption=None | |
| mkdir /data/misc_de 0551 system misc encryption=None | |
| mkdir /data/system_ce 0550 system system encryption=None | |
| mkdir /data/system_de 0550 system system encryption=None | |
| mkdir /data/user 0511 system system encryption=None | |
| mkdir /data/user_de 0511 system system encryption=None | |
| mkdir /data/vendor_ce 0551 root root encryption=None | |
| mkdir /data/vendor_de 0551 root root encryption=None | |
| # Similar to the top-level CE and DE directories, /data/storage_area must | |
| # itself be unencrypted, since it contains encrypted directories. | |
| mkdir /data/storage_area 0551 root root encryption=None | |
| # Set the casefold flag on /data/media. For upgrades, a restorecon can be | |
| # needed first to relabel the directory from media_rw_data_file. | |
| restorecon /data/media | |
| exec - media_rw media_rw -- /system/bin/chattr +F /data/media | |
| # A tmpfs directory, which will contain all apps and sdk sandbox CE and DE | |
| # data directory that bind mount from the original source. | |
| mount tmpfs tmpfs /data_mirror nodev noexec nosuid mode=0700,uid=0,gid=1000 | |
| restorecon /data_mirror | |
| mkdir /data_mirror/data_ce 0700 root root | |
| mkdir /data_mirror/data_de 0700 root root | |
| mkdir /data_mirror/misc_ce 0700 root root | |
| mkdir /data_mirror/misc_de 0700 root root | |
| mkdir /data_mirror/storage_area 0700 root root | |
| # Create CE and DE data directory for default volume | |
| # Not needed for storage_area directory, since this is | |
| # not supported for non-default volumes and the path | |
| # does not include the volume ID | |
| mkdir /data_mirror/data_ce/null 0700 root root | |
| mkdir /data_mirror/data_de/null 0700 root root | |
| mkdir /data_mirror/misc_ce/null 0700 root root | |
| mkdir /data_mirror/misc_de/null 0700 root root | |
| # Bind mount CE and DE data directory to mirror's default volume directory. | |
| # Note that because the /data mount has the "shared" propagation type, the | |
| # later bind mount of /data/data onto /data/user/0 will automatically | |
| # propagate to /data_mirror/data_ce/null/0 as well. | |
| mount none /data/user /data_mirror/data_ce/null bind rec | |
| mount none /data/user_de /data_mirror/data_de/null bind rec | |
| mount none /data/misc_ce /data_mirror/misc_ce/null bind rec | |
| mount none /data/misc_de /data_mirror/misc_de/null bind rec | |
| # Also bind mount for the storage area directory (minus the volume ID) | |
| mount none /data/storage_area /data_mirror/storage_area bind rec | |
| # Create mirror directory for jit profiles | |
| mkdir /data_mirror/cur_profiles 0700 root root | |
| mount none /data/misc/profiles/cur /data_mirror/cur_profiles bind rec | |
| mkdir /data_mirror/ref_profiles 0700 root root | |
| mount none /data/misc/profiles/ref /data_mirror/ref_profiles bind rec | |
| mkdir /data/cache 0770 system cache encryption=Require | |
| mkdir /data/cache/recovery 0770 system cache | |
| mkdir /data/cache/backup_stage 0700 system system | |
| mkdir /data/cache/backup 0700 system system | |
| # Delete these if need be, per b/139193659 | |
| mkdir /data/rollback 0700 system system encryption=DeleteIfNecessary | |
| mkdir /data/rollback-observer 0700 system system encryption=DeleteIfNecessary | |
| mkdir /data/rollback-history 0700 system system encryption=DeleteIfNecessary | |
| # Create root dir for Incremental Service | |
| mkdir /data/incremental 0771 system system encryption=Require | |
| # Create directories for statsd | |
| mkdir /data/misc/stats-active-metric/ 0770 statsd system | |
| mkdir /data/misc/stats-data/ 0770 statsd system | |
| mkdir /data/misc/stats-data/restricted-data 0770 statsd system | |
| mkdir /data/misc/stats-metadata/ 0770 statsd system | |
| mkdir /data/misc/stats-service/ 0770 statsd system | |
| mkdir /data/misc/train-info/ 0770 statsd system | |
| # TODO(b/400439023): Remove once attest modules flagging is removed. | |
| wait_for_prop apexd.status activated | |
| # Wait for KeyMints to receive APEX module info before starting code from updateable APEXes. | |
| # This is to prevent APEX modules from interfering in module measurement. | |
| wait_for_prop keystore.module_hash.sent true | |
| perform_apex_config | |
| exec_start system_aconfigd_mainline_init | |
| start system_aconfigd_socket_service | |
| # start mainline aconfigd init, after transition, the above system_aconfigd_mainline_init | |
| # will be deprecated | |
| exec_start mainline_aconfigd_init | |
| start mainline_aconfigd_socket_service | |
| # Create directories for boot animation. | |
| mkdir /data/misc/bootanim 0755 system system | |
| exec_start derive_sdk | |
| init_user0 | |
| # Set SELinux security contexts on upgrade or policy update. | |
| restorecon --recursive --skip-ce /data | |
| # Define and export *CLASSPATH variables | |
| # Must start before 'odsign', as odsign depends on *CLASSPATH variables | |
| exec_start derive_classpath | |
| load_exports /data/system/environ/classpath | |
| # Start ART's oneshot boot service to propagate boot experiment flags to | |
| # dalvik.vm.*. This needs to be done before odsign since odrefresh uses and | |
| # validates those properties against the signed cache-info.xml. | |
| exec_start art_boot | |
| # Start the on-device signing daemon, and wait for it to finish, to ensure | |
| # ART artifacts are generated if needed. | |
| # Must start after 'derive_classpath' to have *CLASSPATH variables set. | |
| start odsign | |
| # Wait for odsign to be done with the key. | |
| wait_for_prop odsign.key.done 1 | |
| # Bump the boot level to 1000000000; this prevents further on-device signing. | |
| # This is a special value that shuts down the thread which listens for | |
| # further updates. | |
| setprop keystore.boot_level 1000000000 | |
| # Allow apexd to snapshot and restore device encrypted apex data in the case | |
| # of a rollback. This should be done immediately after DE_user data keys | |
| # are loaded. APEXes should not access this data until this has been | |
| # completed and apexd.status becomes "ready". | |
| exec_start apexd-snapshotde | |
| # sys.memfd_use set to false by default, which keeps it disabled | |
| # until it is confirmed that apps and vendor processes don't make | |
| # IOCTLs on ashmem fds any more. | |
| setprop sys.use_memfd false | |
| # Set fscklog permission | |
| chown root system /dev/fscklogs/log | |
| chmod 0770 /dev/fscklogs/log | |
| # Enable FUSE by default | |
| setprop persist.sys.fuse true | |
| # Update dm-verity state and set partition.*.verified properties. | |
| verity_update_state | |
| on property:vold.checkpoint_committed=1 | |
| trigger post-fs-data-checkpointed | |
| # It is important that we start bpfloader after: | |
| # - /sys/fs/bpf is already mounted, | |
| # - apex (incl. rollback) is initialized (so that we can load bpf | |
| # programs shipped as part of apex mainline modules) | |
| # - logd is ready for us to log stuff | |
| # | |
| # At the same time we want to be as early as possible to reduce races and thus | |
| # failures (before memory is fragmented, and cpu is busy running tons of other | |
| # stuff) and we absolutely want to be before netd and the system boot slot is | |
| # considered to have booted successfully. | |
| on load-bpf-programs | |
| exec_start bpfloader | |
| on bpf-progs-loaded | |
| start netd | |
| # It is recommended to put unnecessary data/ initialization from post-fs-data | |
| # to start-zygote in device's init.rc to unblock zygote start. | |
| on zygote-start | |
| wait_for_prop odsign.verification.done 1 | |
| # A/B update verifier that marks a successful boot. | |
| exec_start update_verifier | |
| start statsd | |
| start zygote | |
| start zygote_secondary | |
| on boot && property:ro.config.low_ram=true | |
| # Tweak background writeout | |
| write /proc/sys/vm/dirty_expire_centisecs 200 | |
| write /proc/sys/vm/dirty_background_ratio 5 | |
| on boot && property:suspend.disable_sync_on_suspend=true | |
| write /sys/power/sync_on_suspend 0 | |
| on boot | |
| # basic network init | |
| ifup lo | |
| hostname localhost | |
| domainname localdomain | |
| # IPsec SA default expiration length | |
| write /proc/sys/net/core/xfrm_acq_expires 3600 | |
| # Memory management. Basic kernel parameters, and allow the high | |
| # level system server to be able to adjust the kernel OOM driver | |
| # parameters to match how it is managing things. | |
| write /proc/sys/vm/overcommit_memory 1 | |
| write /proc/sys/vm/min_free_order_shift 4 | |
| # System server manages zram writeback | |
| chown root system /sys/block/zram0/idle | |
| chmod 0220 /sys/block/zram0/idle | |
| chown root system /sys/block/zram0/writeback | |
| chmod 0220 /sys/block/zram0/writeback | |
| # to access F2FS sysfs on dm-<num> directly | |
| mkdir /dev/sys/fs/by-name 0755 system system | |
| symlink /sys/fs/f2fs/${dev.mnt.dev.data} /dev/sys/fs/by-name/userdata | |
| # dev.mnt.dev.data=dm-N, dev.mnt.blk.data=sdaN/mmcblk0pN, dev.mnt.rootdisk.data=sda/mmcblk0, or | |
| # dev.mnt.dev.data=sdaN/mmcblk0pN, dev.mnt.blk.data=sdaN/mmcblk0pN, dev.mnt.rootdisk.data=sda/mmcblk0 | |
| mkdir /dev/sys/block/by-name 0755 system system | |
| symlink /sys/class/block/${dev.mnt.dev.data} /dev/sys/block/by-name/userdata | |
| symlink /sys/class/block/${dev.mnt.rootdisk.data} /dev/sys/block/by-name/rootdisk | |
| # F2FS tuning. Set cp_interval larger than dirty_expire_centisecs, 30 secs, | |
| # to avoid power consumption when system becomes mostly idle. Be careful | |
| # to make it too large, since it may bring userdata loss, if they | |
| # are not aware of using fsync()/sync() to prepare sudden power-cut. | |
| write /dev/sys/fs/by-name/userdata/cp_interval 200 | |
| write /dev/sys/fs/by-name/userdata/gc_urgent_sleep_time 50 | |
| write /dev/sys/fs/by-name/userdata/iostat_period_ms 1000 | |
| write /dev/sys/fs/by-name/userdata/iostat_enable 1 | |
| # set readahead multiplier for POSIX_FADV_SEQUENTIAL files | |
| write /dev/sys/fs/by-name/userdata/seq_file_ra_mul 128 | |
| # limit discard size to 128MB in order to avoid long IO latency | |
| # for filesystem tuning first (dm or sda) | |
| # this requires enabling selinux entry for sda/mmcblk0 in vendor side | |
| write /dev/sys/block/by-name/userdata/queue/discard_max_bytes 134217728 | |
| write /dev/sys/block/by-name/rootdisk/queue/discard_max_bytes 134217728 | |
| # Permissions for System Server and daemons. | |
| chown system system /sys/power/autosleep | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_rate | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_rate | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_slack | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_slack | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/min_sample_time | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/min_sample_time | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/target_loads | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/target_loads | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/boost | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration | |
| chown system system /sys/devices/system/cpu/cpufreq/interactive/io_is_busy | |
| chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/io_is_busy | |
| chown system system /sys/class/leds/vibrator/trigger | |
| chown system system /sys/class/leds/vibrator/activate | |
| chown system system /sys/class/leds/vibrator/brightness | |
| chown system system /sys/class/leds/vibrator/duration | |
| chown system system /sys/class/leds/vibrator/state | |
| chown system system /sys/class/timed_output/vibrator/enable | |
| chown system system /sys/class/leds/keyboard-backlight/brightness | |
| chown system system /sys/class/leds/lcd-backlight/brightness | |
| chown system system /sys/class/leds/button-backlight/brightness | |
| chown system system /sys/class/leds/jogball-backlight/brightness | |
| chown system system /sys/class/leds/red/brightness | |
| chown system system /sys/class/leds/green/brightness | |
| chown system system /sys/class/leds/blue/brightness | |
| chown system system /sys/class/leds/red/device/grpfreq | |
| chown system system /sys/class/leds/red/device/grppwm | |
| chown system system /sys/class/leds/red/device/blink | |
| chown system system /sys/module/sco/parameters/disable_esco | |
| chown system system /sys/kernel/ipv4/tcp_wmem_min | |
| chown system system /sys/kernel/ipv4/tcp_wmem_def | |
| chown system system /sys/kernel/ipv4/tcp_wmem_max | |
| chown system system /sys/kernel/ipv4/tcp_rmem_min | |
| chown system system /sys/kernel/ipv4/tcp_rmem_def | |
| chown system system /sys/kernel/ipv4/tcp_rmem_max | |
| chown system system /sys/firmware/acpi/tables | |
| chown system system /sys/firmware/acpi/tables/BERT | |
| chown system system /sys/firmware/acpi/tables/data/BERT | |
| chown root radio /proc/cmdline | |
| chown root system /proc/bootconfig | |
| # Define default initial receive window size in segments. | |
| setprop net.tcp_def_init_rwnd 60 | |
| # Start standard binderized HAL daemons | |
| class_start hal | |
| class_start core | |
| on nonencrypted | |
| class_start main | |
| class_start late_start | |
| on property:sys.init_log_level=* | |
| loglevel ${sys.init_log_level} | |
| on charger | |
| class_start charger | |
| on property:sys.boot_completed=1 | |
| bootchart stop | |
| # Setup per_boot directory so other .rc could start to use it on boot_completed | |
| exec - system system -- /bin/rm -rf /data/per_boot | |
| mkdir /data/per_boot 0700 system system encryption=Require key=per_boot_ref | |
| # system server cannot write to /proc/sys files, | |
| # and chown/chmod does not work for /proc/sys/ entries. | |
| # So proxy writes through init. | |
| on property:sys.sysctl.extra_free_kbytes=* | |
| exec_background -- /system/bin/extra_free_kbytes.sh ${sys.sysctl.extra_free_kbytes} | |
| # Allow users to drop caches | |
| on property:perf.drop_caches=3 | |
| write /proc/sys/vm/drop_caches 3 | |
| setprop perf.drop_caches 0 | |
| # "tcp_default_init_rwnd" Is too long! | |
| on property:net.tcp_def_init_rwnd=* | |
| write /proc/sys/net/ipv4/tcp_default_init_rwnd ${net.tcp_def_init_rwnd} | |
| # perf_event_open syscall security: | |
| # Newer kernels have the ability to control the use of the syscall via SELinux | |
| # hooks. init tests for this, and sets sys_init.perf_lsm_hooks to 1 if the | |
| # kernel has the hooks. In this case, the system-wide perf_event_paranoid | |
| # sysctl is set to -1 (unrestricted use), and the SELinux policy is used for | |
| # controlling access. On older kernels, the paranoid value is the only means of | |
| # controlling access. It is normally 3 (allow only root), but the shell user | |
| # can lower it to 1 (allowing thread-scoped pofiling) via security.perf_harden. | |
| on load-bpf-programs && property:sys.init.perf_lsm_hooks=1 | |
| write /proc/sys/kernel/perf_event_paranoid -1 | |
| on property:security.perf_harden=0 && property:sys.init.perf_lsm_hooks="" | |
| write /proc/sys/kernel/perf_event_paranoid 1 | |
| on property:security.perf_harden=1 && property:sys.init.perf_lsm_hooks="" | |
| write /proc/sys/kernel/perf_event_paranoid 3 | |
| # Additionally, simpleperf profiler uses debug.* and security.perf_harden | |
| # sysprops to be able to indirectly set these sysctls. | |
| on property:security.perf_harden=0 | |
| write /proc/sys/kernel/perf_event_max_sample_rate ${debug.perf_event_max_sample_rate:-100000} | |
| write /proc/sys/kernel/perf_cpu_time_max_percent ${debug.perf_cpu_time_max_percent:-25} | |
| write /proc/sys/kernel/perf_event_mlock_kb ${debug.perf_event_mlock_kb:-516} | |
| # Default values. | |
| on property:security.perf_harden=1 | |
| write /proc/sys/kernel/perf_event_max_sample_rate 100000 | |
| write /proc/sys/kernel/perf_cpu_time_max_percent 25 | |
| write /proc/sys/kernel/perf_event_mlock_kb 516 | |
| # This property can be set only on userdebug/eng. See neverallow rule in | |
| # /system/sepolicy/private/property.te . | |
| on property:security.lower_kptr_restrict=1 | |
| write /proc/sys/kernel/kptr_restrict 0 | |
| on property:security.lower_kptr_restrict=0 | |
| write /proc/sys/kernel/kptr_restrict 2 | |
| # on shutdown | |
| # In device's init.rc, this trigger can be used to do device-specific actions | |
| # before shutdown. e.g disable watchdog and mask error handling | |
| ## Daemon processes to be run by init. | |
| ## | |
| service ueventd /system/bin/ueventd | |
| class core | |
| critical | |
| seclabel u:r:ueventd:s0 | |
| user root | |
| shutdown critical | |
| service console /system/bin/sh | |
| class core | |
| console | |
| disabled | |
| user shell | |
| group shell log readproc | |
| seclabel u:r:shell:s0 | |
| setenv HOSTNAME console | |
| shutdown critical | |
| on property:ro.debuggable=1 | |
| # Give writes to the same group for the trace folder on debug builds, | |
| # it's further protected by selinux policy. | |
| # The folder is used to store method traces. | |
| chmod 0773 /data/misc/trace | |
| # Give writes and reads to anyone for the window trace folder on debug builds, | |
| # it's further protected by selinux policy. | |
| chmod 0777 /data/misc/wmtrace | |
| # Give reads to anyone for the accessibility trace folder on debug builds. | |
| chmod 0775 /data/misc/a11ytrace | |
| on init && property:ro.debuggable=1 | |
| start console | |
| # Multi-Gen LRU Experiment | |
| on property:persist.device_config.mglru_native.lru_gen_config=none | |
| write /sys/kernel/mm/lru_gen/enabled 0 | |
| on property:persist.device_config.mglru_native.lru_gen_config=core | |
| write /sys/kernel/mm/lru_gen/enabled 1 | |
| on property:persist.device_config.mglru_native.lru_gen_config=core_and_mm_walk | |
| write /sys/kernel/mm/lru_gen/enabled 3 | |
| on property:persist.device_config.mglru_native.lru_gen_config=core_and_nonleaf_young | |
| write /sys/kernel/mm/lru_gen/enabled 5 | |
| on property:persist.device_config.mglru_native.lru_gen_config=all | |
| write /sys/kernel/mm/lru_gen/enabled 7 | |
| # Allow other processes to run `snapshotctl` through `init`. This requires | |
| # `set_prop` permission on `snapshotctl_prop`. | |
| on property:sys.snapshotctl.map=requested | |
| # "root" is needed to talk to gsid and pass its check on uid. | |
| # "system" is needed to write to "/dev/socket/snapuserd" to talk to | |
| # snapuserd. | |
| exec - root root system -- /system/bin/snapshotctl map | |
| setprop sys.snapshotctl.map "finished" | |
| on property:sys.snapshotctl.unmap=requested | |
| exec - root root system -- /system/bin/snapshotctl unmap | |
| setprop sys.snapshotctl.unmap "finished" |