sepolicy/policy/chromeos/net/cros_shill.te

# SELinux policy for Shill component of Chrome OS.

type cros_shill, chromeos_domain, domain, mlstrustedobject;

permissive cros_shill;

domain_auto_trans({ cros_init_shill minijail }, cros_shill_exec, cros_shill);
allow cros_shill { cros_init_shill minijail }:fd use;
allow cros_shill { cros_init_shill minijail }:fifo_file rw_file_perms;

r_dir_file(cros_shill, cros_passwd_file);
r_dir_file(cros_shill, cros_var_lib_whitelist);

allow cros_shill { cros_run_shill cros_var_lib_shill cros_var_cache_shill }:file create_file_perms;
allow cros_shill { cros_run_shill cros_var_lib_shill cros_var_cache_shill }:dir create_dir_perms;

r_dir_file(cros_shill, sysfs);
allow cros_shill sysfs_net:dir search;
allow cros_shill sysfs_net:lnk_file read;

# read proc
allow cros_shill chromeos_domain:dir search;
allow cros_shill chromeos_domain:file { open getattr read };
allow cros_shill chromeos_domain:lnk_file read;

allow cros_shill self:capability { net_admin net_raw setgid setpcap setuid kill };
allow cros_shill self:netlink_generic_socket { bind create read setopt write };
allow cros_shill self:netlink_route_socket { bind create nlmsg_read nlmsg_write read setopt write };
allow cros_shill self:packet_socket { bind create };
allow cros_shill self:tcp_socket { connect create getattr getopt read setopt write };
allow cros_shill self:udp_socket { connect create ioctl read setopt write };

allow cros_shill port:tcp_socket name_connect;
allow cros_shill proc_net:file rw_file_perms;
allow cros_shill proc_uptime:file r_file_perms;

allow cros_shill kernel:system module_request;

allow cros_shill device:blk_file getattr;

# dhcpcd-specific
allow cros_shill cros_dhcpcd_exec:file rx_file_perms;
allow cros_shill port:udp_socket name_bind;
allow cros_shill node:udp_socket node_bind;
allow cros_shill self:capability net_bind_service;
allow cros_shill self:packet_socket { setopt write read };
allow cros_shill self:udp_socket bind;
allow cros_shill self:netlink_route_socket getattr;
allowxperm cros_shill self:udp_socket ioctl { SIOCETHTOOL SIOCGIWESSID };

tmp_file(cros_shill, file);

log_writer(cros_shill);
uma_writer(cros_shill);
cros_dbus_client(cros_shill);