diff options
| -rw-r--r-- | db845c/device.mk | 5 | ||||
| -rw-r--r-- | db845c/eth_mac_addr.rc | 9 | ||||
| -rw-r--r-- | db845c/eth_mac_addr.sh | 15 | ||||
| -rw-r--r-- | sepolicy/eth_mac_addr.te | 12 | ||||
| -rw-r--r-- | sepolicy/file_contexts | 2 |
5 files changed, 43 insertions, 0 deletions
diff --git a/db845c/device.mk b/db845c/device.mk index cc5b973..b37e06f 100644 --- a/db845c/device.mk +++ b/db845c/device.mk @@ -43,5 +43,10 @@ PRODUCT_PACKAGES += \ PRODUCT_COPY_FILES += \ device/linaro/dragonboard/qcom/init.qcom.rc:$(TARGET_COPY_OUT_VENDOR)/etc/init/init.qcom.rc +# Install scripts to set Ethernet MAC address +PRODUCT_COPY_FILES += \ + $(LOCAL_PATH)/eth_mac_addr.rc:/system/etc/init/eth_mac_addr.rc \ + $(LOCAL_PATH)/eth_mac_addr.sh:/system/bin/eth_mac_addr.sh + # Copy firmware files $(call inherit-product-if-exists, $(LOCAL_PATH)/firmware/device.mk) diff --git a/db845c/eth_mac_addr.rc b/db845c/eth_mac_addr.rc new file mode 100644 index 0000000..e710c19 --- /dev/null +++ b/db845c/eth_mac_addr.rc @@ -0,0 +1,9 @@ +service eth_mac_addr /system/bin/eth_mac_addr.sh + class core + user root + group system + disabled + oneshot + +on post-fs-data + start eth_mac_addr diff --git a/db845c/eth_mac_addr.sh b/db845c/eth_mac_addr.sh new file mode 100644 index 0000000..bdc1ba7 --- /dev/null +++ b/db845c/eth_mac_addr.sh @@ -0,0 +1,15 @@ +#! /system/bin/sh +# Set eth0 mac address. +# +# Get the unique board serial number from /proc/cmdline, +# prepend '0's to the serial number to fill 5 LSBs of the +# MAC address and prepend "02" as MSB to prepare a 6 byte +# locally administered unicast MAC address. +# Format the output in xx:xx:xx:xx:xx:xx format for the +# "ip" set address command to work. + +SERIALNO=`cat /proc/cmdline | grep -o serialno.* | cut -f2 -d'=' | awk '{printf("02%010s\n", $1)}' | sed 's/\(..\)/\1:/g' | sed '$s/:$//'` + +/system/bin/ip link set dev eth0 down +/system/bin/ip link set dev eth0 address "${SERIALNO}" +/system/bin/ip link set dev eth0 up diff --git a/sepolicy/eth_mac_addr.te b/sepolicy/eth_mac_addr.te new file mode 100644 index 0000000..d2e4e1a --- /dev/null +++ b/sepolicy/eth_mac_addr.te @@ -0,0 +1,12 @@ +type eth_mac_addr, domain, coredomain; +type eth_mac_addr_exec, exec_type, system_file_type, file_type; +init_daemon_domain(eth_mac_addr); + +allow eth_mac_addr proc_cmdline:file { open read }; +allow eth_mac_addr rootfs:dir { open read }; +allow eth_mac_addr self:capability net_admin; +allow eth_mac_addr self:netlink_route_socket { bind create getattr nlmsg_readpriv nlmsg_write read setopt write }; +allow eth_mac_addr self:udp_socket { create ioctl }; +allow eth_mac_addr shell_exec:file { execute getattr map read }; +allow eth_mac_addr system_file:file execute_no_trans; +allow eth_mac_addr toolbox_exec:file { execute execute_no_trans getattr map open read }; diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts index 165f3b3..247e1ab 100644 --- a/sepolicy/file_contexts +++ b/sepolicy/file_contexts @@ -29,6 +29,8 @@ /data/vendor/readwrite(/.*)? u:object_r:tqftpserv_vendor_data_file:s0 /data/vendor/readonly(/.*)? u:object_r:tqftpserv_vendor_data_file:s0 +/system/bin/eth_mac_addr\.sh u:object_r:eth_mac_addr_exec:s0 + /vendor/bin/hw/android\.hardware\.gatekeeper@1\.0-service\.software u:object_r:hal_gatekeeper_default_exec:s0 /vendor/bin/pd-mapper u:object_r:pd_mapper_exec:s0 /vendor/bin/qrtr-cfg u:object_r:qrtr_exec:s0 |