Tuesday, March 29, 2016

I need help with the init.rc

So after hours and hours trying to unpack my boot.img I managed to do so. I've been trying to had Init.d support to the kernel and so far it is unsuccessful.

Here's my init.rc:
Code:

# 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 /init.usb.rc
import /init.${ro.hardware}.rc
import /init.${ro.zygote}.rc
import /init.trace.rc
import /init.rilcommon.rc
import /init.container.rc

on early-init
    # Set init and its forked children's oom_adj.
    write /proc/1/oom_score_adj -1000

    # Apply strict SELinux checking of PROT_EXEC on mmap/mprotect calls.
    write /sys/fs/selinux/checkreqprot 0

    # Set the security context for the init process.
    # This should occur before anything else (e.g. ueventd) is started.
    setcon u:r:init:s0

    # Set the security context of /adb_keys if present.
    restorecon /adb_keys

    start ueventd

    # create mountpoints
    mkdir /mnt 0775 root system

on init
    sysclktz 0

    loglevel 3

    # SEC_SELINUX
    # for audit message
    chown system system /proc/avc_msg
    chmod 0660 /proc/avc_msg

    # Backward compatibility
    symlink /system/etc /etc
    symlink /sys/kernel/debug /d

    # Right now vendor lives on the same filesystem as system,
    # but someday that may change.
    symlink /system/vendor /vendor

    # Create cgroup mount point for cpu accounting
    mkdir /acct
    mount cgroup none /acct cpuacct
    mkdir /acct/uid

    # Create cgroup mount point for memory
    mount tmpfs none /sys/fs/cgroup mode=0750,uid=0,gid=1000
    mkdir /sys/fs/cgroup/memory 0750 root system
    mount cgroup none /sys/fs/cgroup/memory memory
    write /sys/fs/cgroup/memory/memory.move_charge_at_immigrate 1
    chown root system /sys/fs/cgroup/memory/tasks
    chmod 0660 /sys/fs/cgroup/memory/tasks
    mkdir /sys/fs/cgroup/memory/sw 0750 root system
    write /sys/fs/cgroup/memory/sw/memory.swappiness 100
    write /sys/fs/cgroup/memory/sw/memory.move_charge_at_immigrate 1
    chown root system /sys/fs/cgroup/memory/sw/tasks
    chmod 0660 /sys/fs/cgroup/memory/sw/tasks

    mkdir /system
    mkdir /data 0771 system system
    mkdir /cache 0770 system cache
    mkdir /config 0500 root root

    # See storage config details at http://ift.tt/1JpFfTK
    mkdir /mnt/shell 0750 shell shell
    mkdir /mnt/media_rw 0700 media_rw media_rw
    mkdir /storage 0751 root sdcard_r

    # Directory for putting things only root should see.
    mkdir /mnt/secure 0700 root root

## Samsung ODE >>>
    # Create private mountpoint so we can MS_MOVE from staging
    mount tmpfs tmpfs /mnt/secure mode=0700,uid=0,gid=0
## Samsung ODE <<<

    # Directory for staging bindmounts
    mkdir /mnt/secure/staging 0700 root root
    restorecon_recursive /mnt/secure/staging

    # Directory-target for where the secure container
    # imagefile directory will be bind-mounted
    mkdir /mnt/secure/asec  0700 root root
    restorecon_recursive /mnt/secure/asec

    # Secure container public mount points.
    mkdir /mnt/asec  0700 root system
    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
    restorecon_recursive /mnt/asec

    # Filesystem image public mount points.
    mkdir /mnt/obb 0700 root system
    mount tmpfs tmpfs /mnt/obb mode=0755,gid=1000
    restorecon_recursive /mnt/obb

    # memory control cgroup
    mkdir /dev/memcg 0700 root system
    mount cgroup none /dev/memcg memory

    write /proc/sys/kernel/panic_on_oops 1
    write /proc/sys/kernel/hung_task_timeout_secs 0
    write /proc/cpu/alignment 4
    write /proc/sys/kernel/sched_latency_ns 10000000
    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
    write /proc/sys/kernel/sched_compat_yield 1
    write /proc/sys/kernel/sched_child_runs_first 0
    write /proc/sys/kernel/randomize_va_space 2
    write /proc/sys/kernel/kptr_restrict 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 300
    write /proc/sys/kernel/sched_rt_runtime_us 950000
    write /proc/sys/kernel/sched_rt_period_us 1000000

    # 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

    # Create cgroup mount points for process groups
    mkdir /dev/cpuctl
    mount cgroup none /dev/cpuctl cpu
    chown system system /dev/cpuctl
    chown system system /dev/cpuctl/tasks
    chmod 0666 /dev/cpuctl/tasks
    write /dev/cpuctl/cpu.shares 1024
    write /dev/cpuctl/cpu.rt_runtime_us 800000
    write /dev/cpuctl/cpu.rt_period_us 1000000

    mkdir /dev/cpuctl/bg_non_interactive
    chown system system /dev/cpuctl/bg_non_interactive/tasks
    chmod 0666 /dev/cpuctl/bg_non_interactive/tasks
    # 5.0 %
    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
    write /dev/cpuctl/bg_non_interactive/cpu.rt_runtime_us 700000
    write /dev/cpuctl/bg_non_interactive/cpu.rt_period_us 1000000

    # qtaguid will limit access to specific data based on group memberships.
    #  net_bw_acct grants impersonation of socket owners.
    #  net_bw_stats grants access to other apps' detailed tagged-socket stats.
    chown root net_bw_acct /proc/net/xt_qtaguid/ctrl
    chown root net_bw_stats /proc/net/xt_qtaguid/stats

    # Allow everybody to read the xt_qtaguid resource tracking misc dev.
    # This is needed by any process that uses socket tagging.
    chmod 0644 /dev/xt_qtaguid

    # Create location for fs_mgr to store abbreviated output from filesystem
    # checker programs.
    mkdir /dev/fscklogs 0770 root system

    # pstore/ramoops previous console log
    mount pstore pstore /sys/fs/pstore
    chown system log /sys/fs/pstore/console-ramoops
    chmod 0440 /sys/fs/pstore/console-ramoops

    setprop installd.sdcard_manipulate_done 0

# 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

# Load properties from /system/ + /factory after fs mount.
on load_all_props_action
    load_all_props

# 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
    trigger fs
    trigger post-fs
    trigger post-fs-data

    # Load properties from /system/ + /factory after fs mount. Place
    # this in another action so that the load will be scheduled after the prior
    # issued fs triggers have completed.
    trigger load_all_props_action

    # Remove a file to wake up anything waiting for firmware.
    trigger firmware_mounts_complete

    trigger early-boot
    trigger boot


on post-fs
    # once everything is setup, no need to modify /
    mount rootfs rootfs / ro remount
    # mount shared so changes propagate into child namespaces
    mount rootfs rootfs / shared rec
## Samsung ODE >>>
    mount tmpfs tmpfs /mnt/secure private rec
    mount tmpfs tmpfs /mnt/secure/asec shared rec
## Samsung ODE <<<

    # 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

    # This may have been created by the recovery system with odd permissions
    chown system cache /cache/recovery
    chmod 0770 /cache/recovery

    #change permissions on vmallocinfo so we can grab it from bugreports
    chown root log /proc/vmallocinfo
    chmod 0440 /proc/vmallocinfo

    chown root log /proc/slabinfo
    chmod 0440 /proc/slabinfo

    #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 /cache/lost+found

on post-fs-data
    # Latin SSMS feature
    mkdir /efs/SMS 0775 radio system

    # Reload SE Android Policy
    setprop selinux.reload_policy 1

    # SEC_SELINUX sec_efs_file
    mkdir /efs/sec_efs 0775 radio system

    # 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
    restorecon_recursive /data/system/container
    restorecon_recursive /data/media

    # Avoid predictable entropy pool. Carry over entropy from previous boot.
    copy /data/system/entropy.dat /dev/urandom

    # Create dump dir and collect dumps.
    # Do this before we mount cache so eventually we can use cache for
    # storing dumps on platforms which do not have a dedicated dump partition.
    mkdir /data/dontpanic 0750 root log

    # Collect apanic data, free resources and re-arm trigger
    copy /proc/apanic_console /data/dontpanic/apanic_console
    chown root log /data/dontpanic/apanic_console
    chmod 0640 /data/dontpanic/apanic_console

    copy /proc/apanic_threads /data/dontpanic/apanic_threads
    chown root log /data/dontpanic/apanic_threads
    chmod 0640 /data/dontpanic/apanic_threads

    write /proc/apanic_console 1

    # create basic filesystem structure
    mkdir /data/misc 01771 system misc
    mkdir /data/misc/adb 02750 system shell
    # SEC_SELINUX
    mkdir /data/misc/audit 02775 audit system
    mkdir /data/misc/bluedroid 0770 bluetooth net_bt_stack
    mkdir /data/misc/bluetooth 0770 system system
    mkdir /data/misc/keystore 0700 keystore keystore
    mkdir /data/misc/keychain 0771 system system
    mkdir /data/misc/net 0750 root shell
    mkdir /data/misc/radio 0775 system radio
    mkdir /data/misc/radio/hatp 0755 radio system
    mkdir /data/misc/sms 0770 system radio
    mkdir /data/misc/zoneinfo 0775 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_share_profile 0771 wifi system
    mkdir /data/misc/wifi_hostapd 0771 wifi system
    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
    mkdir /data/misc/wifi 0770 wifi wifi
    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
    mkdir /data/local 0751 root root
    mkdir /data/misc/media 0700 media media

    # 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/data 0771 system system
    mkdir /data/app-private 0771 system system
    mkdir /data/app-asec 0700 root root
    mkdir /data/app-lib 0771 system system
    mkdir /data/app 0771 system system
    mkdir /data/property 0700 root root

    # SA, System SW, SAMSUNG create log directory
    mkdir /data/log 0775 system log
    chown system log /data/log
    mkdir /data/anr 0775 system system
    chown system system /data/anr
    chmod 0775 /data/log
    chmod 0775 /data/anr
    restorecon /data/log
    restorecon /data/anr

    # h2k permission
    mkdir /efs/cpk 0771 radio system
    chmod 0644 /efs/redata.bin
    chmod 0644 /efs/cpk/redata.bin
    chown radio radio /efs/h2k.dat
    chown radio radio /efs/cpk/h2k.dat
    chmod 0644 /efs/h2k.dat
    chmod 0644 /efs/cpk/h2k.dat
    chown system system /efs/drm/h2k
    chmod 0777 /system/etc/install-recovery.sh
    chmod 0777 /install-recovery.sh

    # create dalvik-cache, so as to enforce our permissions
    mkdir /data/dalvik-cache 0771 root root
    mkdir /data/dalvik-cache/profiles 0711 system system

    # create resource-cache and double-check the perms
    mkdir /data/resource-cache 0771 system system
    chown system system /data/resource-cache
    chmod 0771 /data/resource-cache

    # create the lost+found directories, so as to enforce our permissions
    mkdir /data/lost+found 0770 root root
    restorecon /data/lost+found

    # create directory for DRM plug-ins - give drm the read/write access to
    # the following directory.
    mkdir /data/drm 0770 drm drm

    # create directory for MediaDrm plug-ins - give drm the read/write access to
    # the following directory.
    mkdir /data/mediadrm 0770 mediadrm mediadrm

    mkdir /data/adb 0700 root root
# [ SEC_MM_DRM
    # Added drm folder to copy drm plugins
    mkdir /system/lib/drm 0775
    chown root root /system/lib/drm
    chmod 0775 /system/lib/drm
# ]

    restorecon -R /efs
    restorecon -R /carrier
    restorecon_recursive /data/misc/keystore
    restorecon_recursive /data/property
    restorecon_recursive /data/security
    restorecon_recursive /NVM
   
# DRK permission
    mkdir /efs/prov 0770 radio system
    chown radio system /efs/prov/libdevkm.lock
    chmod 0660 /efs/prov/libdevkm.lock

# CS socket
    mkdir /dev/socket/cs_socket 0770 system system

    # symlink to bugreport storage location
    symlink /data/data/com.android.shell/files/bugreports /data/bugreports

    # Separate location for storing security policy files on data
    mkdir /data/security 0711 system system

    # Reload policy from /data/security if present.
 #SEC_SELINUX  remove: setprop selinux.reload_policy 1

    # Set SELinux security contexts on upgrade or policy update.
#SEC_SELINUX    restorecon_recursive /data

    # If there is no fs-post-data action in the init.<device>.rc file, you
    # must uncomment this line, otherwise encrypted filesystems
    # won't work.
    # Set indication (checked by vold) that we have finished this action
    #setprop vold.post_fs_data_done 1

    # Currently, some system procs would access the sysfs nodes under debugfs
    # Grant 0755 permission to /sys/kernel/debug
    chmod 0755 /sys/kernel/debug


on boot
    # basic network init
    ifup lo
    hostname localhost
    domainname localdomain

    # set RLIMIT_NICE to allow priorities from 19 to -20
    setrlimit 13 40 40

    # 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
    chown root system /sys/module/lowmemorykiller/parameters/adj
    chmod 0220 /sys/module/lowmemorykiller/parameters/adj
    chown root system /sys/module/lowmemorykiller/parameters/minfree
    chmod 0220 /sys/module/lowmemorykiller/parameters/minfree

    # Tweak background writeout
    write /proc/sys/vm/dirty_expire_centisecs 200
    # write /proc/sys/vm/dirty_background_ratio  5
    write /proc/sys/vm/dirty_background_bytes  15728640
    write /proc/sys/vm/dirty_bytes 31457280

    # MTP permission
    chmod 0660 /dev/usb_mtp_gadget
    chown system mtp /dev/usb_mtp_gadget
    mkdir /dev/socket/mtp 0770 system mtp

    # Permissions for System Server and daemons.
    chown radio system /sys/android_power/state
    chown radio system /sys/android_power/request_state
    chown radio system /sys/android_power/acquire_full_wake_lock
    chown radio system /sys/android_power/acquire_partial_wake_lock
    chown radio system /sys/android_power/release_wake_lock
    chown system system /sys/power/autosleep
    chown system system /sys/power/state
    chown system system /sys/power/wakeup_count
    chown radio system /sys/power/wake_lock
    chown radio system /sys/power/wake_unlock
    chmod 0660 /sys/power/state
    chmod 0660 /sys/power/wake_lock
    chmod 0660 /sys/power/wake_unlock

    # SEC DVFS sysfs node
    chown radio system /sys/power/cpufreq_max_forced
    chown radio system /sys/power/cpufreq_max_limit
    chown radio system /sys/power/cpufreq_min_limit
    chown radio system /sys/power/cpufreq_table
    chmod 664 /sys/power/cpufreq_max_forced
    chmod 664 /sys/power/cpufreq_max_limit
    chmod 664 /sys/power/cpufreq_min_limit
    chmod 664 /sys/power/cpufreq_table

    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/class/timed_output/vibrator/enable
    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 root radio /proc/cmdline

    # SEC MUIC sysfs cnode
    chown system radio /sys/devices/virtual/sec/switch/adc
    chown system radio /sys/devices/virtual/sec/switch/usb_sel
    chown system radio /sys/devices/virtual/sec/switch/usb_state
    chown system radio /sys/devices/virtual/sec/switch/syssleep
    chown system radio /sys/devices/virtual/sec/switch/attached_dev
    chown system radio /sys/devices/virtual/sec/switch/uart_en

    # Define default initial receive window size in segments.
    setprop net.tcp.default_init_rwnd 60

    # To prevent out of order acknowledgements from making
    # connection tracking to treat them as not belonging to
    # the connection they belong to.
    # Otherwise, a weird issue happens in which some long
    # connections on high-throughput links get dropped when
    # an ack packet comes out of order
    write /proc/sys/net/netfilter/nf_conntrack_tcp_be_liberal 1

    write /sys/block/mmcblk0/queue/scheduler noop

    class_start core

on nonencrypted
    class_start main
    class_start late_start

on property:vold.decrypt=trigger_default_encryption
    start defaultcrypto

on property:vold.decrypt=trigger_encryption
    start surfaceflinger
    start encrypt

on property:sys.init_log_level=*
    loglevel ${sys.init_log_level}

on charger
    class_start charger

on property:vold.decrypt=trigger_reset_main
    class_reset main

on property:vold.decrypt=trigger_load_persist_props
    load_persist_props

on property:vold.decrypt=trigger_post_fs_data
    trigger post-fs-data

on property:vold.decrypt=trigger_restart_min_framework
    class_start main

on property:vold.decrypt=trigger_restart_framework
    class_start main
    class_start late_start
    exec /system/bin/cp_reset

on property:vold.decrypt=trigger_shutdown_framework
    class_reset late_start
    class_reset main

on property:sys.powerctl=*
    powerctl ${sys.powerctl}

# 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=*
    write /proc/sys/vm/extra_free_kbytes ${sys.sysctl.extra_free_kbytes}

# "tcp_default_init_rwnd" Is too long!
on property:sys.sysctl.tcp_def_init_rwnd=*
    write /proc/sys/net/ipv4/tcp_default_init_rwnd ${sys.sysctl.tcp_def_init_rwnd}

# Daemon processes to be run by init.
service sysmon /system/bin/sysmon
    class core
    user root
    oneshot

service ueventd /sbin/ueventd
    class core
    critical
    seclabel u:r:ueventd:s0

service logd /system/bin/logd
    class core
    socket logd stream 0666 logd logd
    socket logdr seqpacket 0666 logd logd
    socket logdw dgram 0222 logd logd
    seclabel u:r:logd:s0

service healthd /sbin/healthd
    class core
    critical
    seclabel u:r:healthd:s0


#start SEC_PRODUCT_FEATURE_COMMON_SUPPORT_SE_FOR_ANDROID
# Reload SE Android Policy for MDM
on property:persist.security.mdm.policy=1
    setprop selinux.reload_policy 1

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