[Sony Ericsson XPERIA X10 Mini] Contrarian:
Sorry about the long post but us x10 mini/pro owners need to use more bandwidth on this site anyhow. This is from init.rc if anyone can see an attack point.

on pre-init

# /sbin/fotainit is part of fota. If the system is running a fota upgrade, then fota will

# reboot the system when finished.

exec /sbin/fotainit

on init

sysclktz 0

loglevel 3

# start master reset

exec /sbin/mr

# Check if flash was aborted.

exec /sbin/checkabortedflash

# setup the global environment

export PATH /sbin:/system/sbin:/system/bin:/system/xbin

export LD_LIBRARY_PATH /system/lib

export ANDROID_BOOTLOGO 1

export ANDROID_ROOT /system

export ANDROID_ASSETS /system/app

export ANDROID_DATA /data

export EXTERNAL_STORAGE /sdcard

export BOOTCLASSPATH /system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar

# Backward compatibility

symlink /system/etc /etc

symlink /sys/kernel/debug /d

# create mountpoints and mount tmpfs on sqlite_stmt_journals

mkdir /sdcard 0000 system system

mkdir /system

mkdir /data 0771 system system

mkdir /cache 0770 system cache

mkdir /config 0500 root root

mkdir /sqlite_stmt_journals 01777 root root

mount tmpfs tmpfs /sqlite_stmt_journals size=4m

mount rootfs rootfs / ro remount

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

# Create cgroup mount points for process groups

mkdir /dev/cpuctl

mount cgroup none /dev/cpuctl cpu

chown sytem system /dev/cpuctl

chown system system /dev/cpuctl/tasks

chmod 0777 /dev/cpuctl/tasks

write /dev/cpuctl/cpu.shares 1024

mkdir /dev/cpuctl/fg_boost

chown system system /dev/cpuctl/fg_boost/tasks

chmod 0777 /dev/cpuctl/fg_boost/tasks

write /dev/cpuctl/fg_boost/cpu.shares 1024

mkdir /dev/cpuctl/bg_non_interactive

chown system system /dev/cpuctl/bg_non_interactive/tasks

chmod 0777 /dev/cpuctl/bg_non_interactive/tasks

# 5.0 %

write /dev/cpuctl/bg_non_interactive/cpu.shares 52

# mount mtd partitions

# Mount /system rw first to give the filesystem a chance to save a checkpoint

mount yaffs2 mtd@system /system

mount yaffs2 mtd@system /system ro remount

# We chown/chmod /data again so because mount is run as root + defaults

mount yaffs2 mtd@userdata /data nosuid nodev

chown system system /data

chmod 0771 /data

# Divert into charge-only mode if started by the charger.

# Chargemon will simply exit if the system was started normally.

exec /system/bin/chargemon

# 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

chown root log /data/dontpanic

chmod 0750 /data/dontpanic

# 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

# Same reason as /data above

mount yaffs2 mtd@cache /cache nosuid nodev

chown system cache /cache

chmod 0770 /cache

# This may have been created by the recovery system with odd permissions

chown system system /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

# create basic filesystem structure

mkdir /data/misc 01771 system misc

mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth

mkdir /data/misc/keystore 0700 keystore keystore

mkdir /data/misc/vpn 0770 system system

mkdir /data/misc/vpn/profiles 0770 system system

# give system access to wpa_supplicant.conf for backup and restore

mkdir /data/misc/wifi 0770 wifi wifi

chmod 0770 /data/misc/wifi

chmod 0660 /data/misc/wifi/wpa_supplicant.conf

mkdir /data/local 0771 shell shell

mkdir /data/local/tmp 0771 shell shell

mkdir /data/data 0771 system system

mkdir /data/app-private 0771 system system

mkdir /data/app 0771 system system

mkdir /data/property 0700 root root

# create dalvik-cache and double-check the perms

mkdir /data/dalvik-cache 0771 system system

chown system system /data/dalvik-cache

chmod 0771 /data/dalvik-cache

# create the lost+found directories, so as to enforce our permissions

mkdir /data/lost+found 0770

mkdir /cache/lost+found 0770

# double check the perms, in case lost+found already exists, and set owner

chown root root /data/lost+found

chmod 0770 /data/lost+found

chown root root /cache/lost+found

chmod 0770 /cache/lost+found

# SEMC: Discretix DRM change start

mkdir /data/DxDrm 0777

mkdir /data/DxDrm/fuse

# SEMC: Discretix DRM change end

on boot

exec /system/bin/verify_odex

# basic network init

ifup lo

hostname localhost

domainname localdomain

# set RLIMIT_NICE to allow priorities from 19 to -20

setrlimit 13 40 40

# Define the oom_adj values for the classes of processes that can be

# killed by the kernel. These are used in ActivityManagerService.

setprop ro.FOREGROUND_APP_ADJ 0

setprop ro.VISIBLE_APP_ADJ 1

setprop ro.SECONDARY_SERVER_ADJ 2

setprop ro.BACKUP_APP_ADJ 2

setprop ro.HOME_APP_ADJ 4

setprop ro.HIDDEN_APP_MIN_ADJ 7

setprop ro.CONTENT_PROVIDER_ADJ 14

setprop ro.EMPTY_APP_ADJ 15

# Define the memory thresholds at which the above process classes will

# be killed. These numbers are in pages (4k).

setprop ro.FOREGROUND_APP_MEM 1536

setprop ro.VISIBLE_APP_MEM 2048

setprop ro.SECONDARY_SERVER_MEM 4096

setprop ro.BACKUP_APP_MEM 4096

setprop ro.HOME_APP_MEM 4096

setprop ro.HIDDEN_APP_MEM 5120

setprop ro.CONTENT_PROVIDER_MEM 5632

setprop ro.EMPTY_APP_MEM 15360

# Write value must be consistent with the above properties.

# Note that the driver only supports 6 slots, so we have HOME_APP at the

# same memory level as services.

write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15

write /proc/sys/vm/overcommit_memory 1

write /proc/sys/vm/min_free_order_shift 4

write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,15360

# Set init its forked children's oom_adj.

write /proc/1/oom_adj -16

# Tweak background writeout

write /proc/sys/vm/dirty_expire_centisecs 200

write /proc/sys/vm/dirty_background_ratio 5

# 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 radio system /sys/power/state

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

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/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

# Define TCP buffer sizes for various networks

# ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,

setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208

setprop net.tcp.buffersize.wifi 4095,87380,110208,4096,16384,110208

setprop net.tcp.buffersize.umts 4094,87380,110208,4096,16384,110208

setprop net.tcp.buffersize.edge 4093,26280,35040,4096,16384,35040

setprop net.tcp.buffersize.gprs 4092,8760,11680,4096,8760,11680

class_start default

## Daemon processes to be run by init.

##

service console /system/bin/sh

console

# adbd is controlled by the persist.service.adb.enable system property

service adbd /sbin/adbd

disabled

# adbd on at boot in emulator

on property:ro.kernel.qemu=1

start adbd

on property:persist.service.adb.enable=1

start adbd

on property:persist.service.adb.enable=0

stop adbd

service servicemanager /system/bin/servicemanager

user system

critical

onrestart restart zygote

onrestart restart media

service vold /system/bin/vold

socket vold stream 0660 root mount

service nexus /system/bin/nexus

socket nexus stream 0660 root system

disabled

#service mountd /system/bin/mountd

# socket mountd stream 0660 root mount

service debuggerd /system/bin/debuggerd

service ril-daemon /system/bin/rild

socket rild stream 660 root radio

socket rild-debug stream 660 radio system

user root

group radio cache inet misc audio system

service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server

socket zygote stream 666

onrestart write /sys/android_power/request_state wake

onrestart write /sys/power/state on

onrestart restart media

service media /system/bin/mediaserver

user root

group system audio camera graphics inet net_bt net_bt_admin

service bootsound /system/bin/playmp3

user media

group audio

oneshot

service bootanim /system/bin/bootanimation

user graphics

group graphics

disabled

oneshot

service dbus /system/bin/dbus-daemon --system --nofork

socket dbus stream 660 bluetooth bluetooth

user bluetooth

group bluetooth net_bt_admin

service bluetoothd /system/bin/bluetoothd -n

socket bluetooth stream 660 bluetooth bluetooth

socket dbus_bluetooth stream 660 bluetooth bluetooth

# init.rc does not yet support applying capabilities, so run as root and

# let bluetoothd drop uid to bluetooth with the right linux capabilities

group bluetooth net_bt_admin misc

disabled

service hfag /system/bin/sdptool add --channel=10 HFAG

user bluetooth

group bluetooth net_bt_admin

disabled

oneshot

service hsag /system/bin/sdptool add --channel=11 HSAG

user bluetooth

group bluetooth net_bt_admin

disabled

oneshot

service opush /system/bin/sdptool add --channel=12 OPUSH

user bluetooth

group bluetooth net_bt_admin

disabled

oneshot

service pbap /system/bin/sdptool add --channel=19 PBAP

user bluetooth

group bluetooth net_bt_admin

disabled

oneshot

service installd /system/bin/installd

socket installd stream 600 system system

service flash_recovery /system/etc/install-recovery.sh

oneshot

# SEMC: Discretix DRM change start

service dx_drm_server /system/bin/DxDrmServerIpc -f -o allow_other /data/DxDrm/fuse

service drmbackup /system/bin/drmdbbackup

user system

oneshot

# SEMC: Discretix DRM change end

service racoon /system/bin/racoon

socket racoon stream 600 system system

# racoon will setuid to vpn after getting necessary resources.

group net_admin

disabled

oneshot

service mtpd /system/bin/mtpd

socket mtpd stream 600 system system

user vpn

group vpn net_admin net_raw

disabled

oneshot

service keystore /system/bin/keystore /data/misc/keystore

user keystore

group keystore

socket keystore stream 666

service dumpstate /system/bin/dumpstate -s

socket dumpstate stream 0660 shell log

disabled

oneshot

# Set the startup flag to boot complete, run on property change

service setssflagbc /system/bin/startupflag bootcomplete

user root

oneshot

disabled

on property:dev.bootcomplete=1

start setssflagbc