potter: let oem script set hw properties from utags
This commit is contained in:
Vachounet
@@ -26,6 +26,14 @@ LOCAL_SRC_FILES := etc/init.mmi.touch.sh
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LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)
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include $(BUILD_PREBUILT)
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include $(CLEAR_VARS)
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LOCAL_MODULE := init.oem.hw.sh
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LOCAL_MODULE_TAGS := optional eng
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LOCAL_MODULE_CLASS := ETC
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LOCAL_SRC_FILES := etc/init.oem.hw.sh
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LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)
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include $(BUILD_PREBUILT)
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include $(CLEAR_VARS)
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LOCAL_MODULE := init.qcom.ril.sh
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LOCAL_MODULE_TAGS := optional eng
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130
rootdir/etc/init.oem.hw.sh
Normal file
130
rootdir/etc/init.oem.hw.sh
Normal file
@@ -0,0 +1,130 @@
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#!/system/bin/sh
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PATH=/sbin:/system/sbin:/system/bin:/system/xbin
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export PATH
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while getopts dpfr op;
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do
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case $op in
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d) dbg_on=1;;
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p) populate_only=1;;
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f) dead_touch=1;;
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r) reset_touch=1;;
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esac
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done
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shift $(($OPTIND-1))
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scriptname=${0##*/}
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hw_mp=/proc/hw
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config_mp=/proc/config
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reboot_utag=$hw_mp/.reboot
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touch_status_prop=hw.touch.status
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hw_cfg_file=hw_config.xml
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vhw_file=/system/etc/vhw.xml
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bp_file=/system/build.prop
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oem_file=/oem/oem.prop
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load_error=3
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need_to_reload=2
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reload_in_progress=1
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reload_done=0
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ver_utag=".version"
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version_fs="unknown"
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xml_version="unknown"
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device_params=""
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xml_file=""
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set -A prop_names
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set -A prop_overrides
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prop_names=(ro.product.device ro.product.name)
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debug()
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{
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[ $dbg_on ] && echo "Debug: $*"
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}
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notice()
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{
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echo "$*"
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echo "$scriptname: $*" > /dev/kmsg
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}
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reload_utags()
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{
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local mp=$1
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local value
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echo "1" > $mp/reload
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value=$(cat $mp/reload)
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while [ "$value" == "$reload_in_progress" ]; do
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notice "waiting for loading to complete"
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sleep 1;
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value=$(cat $mp/reload)
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notice "'$mp' current status [$value]"
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done
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}
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procfs_wait_for_device()
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{
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local __result=$1
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local status
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local mpi
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local IFS=' '
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while [ ! -f $hw_mp/reload ] || [ ! -f $config_mp/reload ]; do
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notice "waiting for devices"
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sleep 1;
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done
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for mpi in $hw_mp; do
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status=$(cat $mpi/reload)
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notice "mount point '$mpi' status [$status]"
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if [ "$status" == "$need_to_reload" ]; then
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notice "force $mpi reloading"
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reload_utags $mpi
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fi
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done
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for mpi in $hw_mp; do
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status=$(cat $mpi/reload)
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notice "$mpi reload is [$status]"
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while [ "$status" != "$reload_done" ]; do
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notice "waiting for loading to complete"
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sleep 1;
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status=$(cat $mpi/reload)
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done
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done
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eval $__result=$status
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}
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set_ro_hw_properties()
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{
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local utag_path
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local utag_name
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local prop_prefix
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local utag_value
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local verify
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for hwtag in $(find $hw_mp -name '.system'); do
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debug "path $hwtag has '.system' in its name"
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prop_prefix=$(cat $hwtag/ascii)
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verify=${prefix%.}
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# esure property ends with '.'
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if [ "$prop_prefix" == "$verify" ]; then
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prop_prefix="$prop_prefix."
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debug "added '.' at the end of [$prop_prefix]"
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fi
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utag_path=${hwtag%/*}
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utag_name=${utag_path##*/}
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utag_value=$(cat $utag_path/ascii)
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setprop $prop_prefix$utag_name "$utag_value"
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notice "ro.hw.$utag_name='$utag_value'"
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done
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}
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# Main starts here
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IFS=$'\n'
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notice "initializing procfs"
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procfs_wait_for_device readiness
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set_ro_hw_properties
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return 0
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17
sepolicy/oem-hw-sh.te
Executable file
17
sepolicy/oem-hw-sh.te
Executable file
@@ -0,0 +1,17 @@
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type oem-hw-sh, domain;
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type oem-hw-sh_exec, exec_type, file_type;
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init_daemon_domain(oem-hw-sh)
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allow oem-hw-sh hw_block_device:blk_file { open read write };
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allow oem-hw-sh init:unix_stream_socket connectto;
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allow oem-hw-sh kmsg_device:chr_file { write open };
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allow oem-hw-sh proc:file { write getattr open read };
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allow oem-hw-sh property_socket:sock_file write;
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allow oem-hw-sh rootfs:file {entrypoint read open };
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allow oem-hw-sh self:capability dac_override;
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allow oem-hw-sh shell_exec:file { entrypoint read getattr };
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allow oem-hw-sh system_file:file execute_no_trans;
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allow oem-hw-sh system_prop:property_service set;
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allow oem-hw-sh toolbox_exec:file { execute execute_no_trans getattr open read };
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allow oem-hw-sh touch_prop:file { getattr open read };
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allow oem-hw-sh touch_prop:property_service set;
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