| #permissive cnd; |
| type cnd, domain, mlstrustedsubject; |
| type cnd_exec, exec_type, file_type; |
| file_type_auto_trans(cnd, socket_device, cnd_socket); |
| |
| # cnd is started by init, type transit from init domain to cnd domain |
| init_daemon_domain(cnd) |
| |
| # associate netdomain as an attribute of cnd domain |
| net_domain(cnd) |
| |
| allow cnd smem_log_device:chr_file rw_file_perms; |
| |
| # allow cnd the following capability |
| allow cnd self:capability { |
| setuid |
| setgid |
| dac_override |
| net_raw |
| chown |
| fsetid |
| net_admin |
| sys_module |
| }; |
| |
| allow cnd self:capability2 block_suspend; |
| |
| # socket used to communicate with kernel via the netlink syscall |
| allow cnd self:{ |
| netlink_tcpdiag_socket |
| netlink_route_socket |
| netlink_socket |
| # allow cnd to perform socket operation on itself |
| socket |
| } create_socket_perms; |
| |
| # allow cnd to read tcp diagnostics through netlink |
| allow cnd self:netlink_tcpdiag_socket nlmsg_read; |
| |
| # allow cnd to set system property |
| allow cnd system_prop:property_service set; |
| unix_socket_connect(cnd, property, init) |
| |
| # allow cnd to access cnd_data_file |
| allow cnd cnd_data_file:file create_file_perms; |
| allow cnd cnd_data_file:sock_file { unlink create setattr }; |
| allow cnd cnd_data_file:dir rw_dir_perms; |
| |
| # allow cnd to access qmux_radio_socket |
| qmux_socket(cnd) |
| |
| # allow cnd to access wpa_socket |
| unix_socket_send(cnd, wpa, wpa) |
| allow cnd wpa_socket:dir rw_dir_perms; |
| allow cnd wpa_socket:sock_file { create unlink setattr }; |
| allow cnd wifi_data_file:dir r_dir_perms; |
| |
| # allow cnd to obtain wakelock |
| wakelock_use(cnd) |
| |
| # allow cnd to get appname and use inet socket |
| cnd_nims_socket_perm(appdomain) |
| cnd_nims_socket_perm(system_server) |
| cnd_nims_socket_perm(mediaserver) |
| cnd_nims_socket_perm(mtp) |
| cnd_nims_socket_perm(wfdservice) |
| cnd_nims_socket_perm(drmserver) |
| |
| # allow cnd to access ipa_dev |
| allow cnd ipa_dev:chr_file rw_file_perms; |
| |
| # allow access to nims |
| allow cnd socket_device:dir remove_name; |
| |
| allow cnd ipacm_data_file:dir r_dir_perms; |
| allow cnd ipacm_data_file:file r_file_perms; |
| |
| # explicitly allow udp socket permissions for appdomain |
| allow cnd appdomain:udp_socket rw_socket_perms; |
| |
| #allow cnd daemon to invoke hostapd_cli |
| allow cnd shell_exec:file rx_file_perms; |
| domain_auto_trans(cnd, hostapd_exec, hostapd) |
| |
| # only allow getopt for appdomain |
| allow appdomain zygote:unix_dgram_socket getopt; |
| dontaudit { domain -appdomain } zygote:unix_dgram_socket getopt; |