android_system_sepolicy/vendor/hal_can_socketcan.te
Chris Weir 1bcbc0b667 Add permissions to allow iface up/down
I need SIOCGIFFLAGS and SIOCSIFFLAGS in order to bring up/down
interfaces with AIDL CAN HAL.

Bug: 260592449
Test: CAN HAL can bring up interfaces
Change-Id: I67edaa857cffdf3c3fc9f3b17aad5879e09c6385
2022-12-12 14:30:15 -08:00

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type hal_can_socketcan, domain;
hal_server_domain(hal_can_socketcan, hal_can_controller)
hal_server_domain(hal_can_socketcan, hal_can_bus)
type hal_can_socketcan_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(hal_can_socketcan)
# Managing SocketCAN interfaces
allow hal_can_socketcan self:capability net_admin;
allow hal_can_socketcan self:netlink_route_socket { create bind write nlmsg_write read };
# See man page for netdevice(7) for more info on ioctls
allow hal_can_socketcan self:udp_socket { create ioctl };
allowxperm hal_can_socketcan self:udp_socket ioctl {
SIOCGIFINDEX
SIOCGIFFLAGS
SIOCSIFFLAGS
};
# Communicating with SocketCAN interfaces and bringing them up/down
allow hal_can_socketcan self:can_socket { bind create read write ioctl setopt };
allowxperm hal_can_socketcan self:can_socket ioctl {
SIOCGIFFLAGS
SIOCSIFFLAGS
};
# Un-publishing ICanBus interfaces
allow hal_can_socketcan hidl_manager_hwservice:hwservice_manager find;
allow hal_can_socketcan sysfs:dir r_dir_perms;
allow hal_can_socketcan usb_serial_device:chr_file { ioctl read write open };
allowxperm hal_can_socketcan usb_serial_device:chr_file ioctl {
TCGETS
TCSETSW
TIOCGSERIAL
TIOCSSERIAL
TIOCSETD
SIOCGIFNAME
};