selinux-policy/policy/modules/services/asterisk.te

policy_module(asterisk,1.3.2)

########################################
#
# Declarations
#

type asterisk_t;
type asterisk_exec_t;
init_daemon_domain(asterisk_t,asterisk_exec_t)

type asterisk_etc_t;
files_config_file(asterisk_etc_t)

type asterisk_log_t;
logging_log_file(asterisk_log_t)

type asterisk_spool_t;
files_type(asterisk_spool_t)

type asterisk_tmp_t;
files_tmp_file(asterisk_tmp_t)

type asterisk_tmpfs_t;
files_tmpfs_file(asterisk_tmpfs_t)

type asterisk_var_lib_t;
files_type(asterisk_var_lib_t)

type asterisk_var_run_t;
files_pid_file(asterisk_var_run_t)

########################################
#
# Local policy
#

# dac_override for /var/run/asterisk
allow asterisk_t self:capability { dac_override setgid setuid sys_nice };
dontaudit asterisk_t self:capability sys_tty_config;
allow asterisk_t self:process { setsched signal_perms };
allow asterisk_t self:fifo_file rw_fifo_file_perms;
allow asterisk_t self:sem create_sem_perms;
allow asterisk_t self:shm create_shm_perms;
allow asterisk_t self:tcp_socket create_stream_socket_perms;
allow asterisk_t self:udp_socket create_socket_perms;

allow asterisk_t asterisk_etc_t:dir list_dir_perms;
read_files_pattern(asterisk_t,asterisk_etc_t,asterisk_etc_t)
read_lnk_files_pattern(asterisk_t,asterisk_etc_t,asterisk_etc_t)
files_search_etc(asterisk_t)

manage_files_pattern(asterisk_t,asterisk_log_t,asterisk_log_t)
logging_log_filetrans(asterisk_t,asterisk_log_t,{ file dir })

manage_dirs_pattern(asterisk_t,asterisk_spool_t,asterisk_spool_t)
manage_files_pattern(asterisk_t,asterisk_spool_t,asterisk_spool_t)
manage_lnk_files_pattern(asterisk_t,asterisk_spool_t,asterisk_spool_t)

manage_dirs_pattern(asterisk_t,asterisk_tmp_t,asterisk_tmp_t)
manage_files_pattern(asterisk_t,asterisk_tmp_t,asterisk_tmp_t)
files_tmp_filetrans(asterisk_t, asterisk_tmp_t, { file dir })

manage_files_pattern(asterisk_t,asterisk_tmpfs_t,asterisk_tmpfs_t)
manage_lnk_files_pattern(asterisk_t,asterisk_tmpfs_t,asterisk_tmpfs_t)
manage_fifo_files_pattern(asterisk_t,asterisk_tmpfs_t,asterisk_tmpfs_t)
manage_sock_files_pattern(asterisk_t,asterisk_tmpfs_t,asterisk_tmpfs_t)
fs_tmpfs_filetrans(asterisk_t,asterisk_tmpfs_t,{ dir file lnk_file sock_file fifo_file })

manage_files_pattern(asterisk_t,asterisk_var_lib_t,asterisk_var_lib_t)
files_var_lib_filetrans(asterisk_t,asterisk_var_lib_t,file)

manage_files_pattern(asterisk_t,asterisk_var_run_t,asterisk_var_run_t)
manage_fifo_files_pattern(asterisk_t,asterisk_var_run_t,asterisk_var_run_t)
manage_sock_files_pattern(asterisk_t,asterisk_var_run_t,asterisk_var_run_t)
files_pid_filetrans(asterisk_t,asterisk_var_run_t,file)

kernel_read_system_state(asterisk_t)
kernel_read_kernel_sysctls(asterisk_t)

corecmd_exec_bin(asterisk_t)
corecmd_search_bin(asterisk_t)

corenet_all_recvfrom_unlabeled(asterisk_t)
corenet_all_recvfrom_netlabel(asterisk_t)
corenet_tcp_sendrecv_generic_if(asterisk_t)
corenet_udp_sendrecv_generic_if(asterisk_t)
corenet_tcp_sendrecv_all_nodes(asterisk_t)
corenet_udp_sendrecv_all_nodes(asterisk_t)
corenet_tcp_sendrecv_all_ports(asterisk_t)
corenet_udp_sendrecv_all_ports(asterisk_t)
corenet_tcp_bind_all_nodes(asterisk_t)
corenet_udp_bind_all_nodes(asterisk_t)
corenet_tcp_bind_asterisk_port(asterisk_t)
corenet_udp_bind_asterisk_port(asterisk_t)
corenet_sendrecv_asterisk_server_packets(asterisk_t)
# for VOIP voice channels.
corenet_tcp_bind_generic_port(asterisk_t)
corenet_udp_bind_generic_port(asterisk_t)
corenet_dontaudit_udp_bind_all_ports(asterisk_t)
corenet_sendrecv_generic_server_packets(asterisk_t)

dev_read_sysfs(asterisk_t)
dev_read_sound(asterisk_t)
dev_write_sound(asterisk_t)

domain_use_interactive_fds(asterisk_t)

files_read_etc_files(asterisk_t)
files_search_spool(asterisk_t)
# demo files installed in /usr/share/asterisk/sounds/demo-instruct.gsm
# are labeled usr_t
files_read_usr_files(asterisk_t)

fs_getattr_all_fs(asterisk_t)
fs_search_auto_mountpoints(asterisk_t)

libs_use_ld_so(asterisk_t)
libs_use_shared_libs(asterisk_t)

logging_send_syslog_msg(asterisk_t)

miscfiles_read_localization(asterisk_t)

sysnet_read_config(asterisk_t)

userdom_dontaudit_use_unpriv_user_fds(asterisk_t)
userdom_dontaudit_search_sysadm_home_dirs(asterisk_t)

optional_policy(`
	nis_use_ypbind(asterisk_t)
')

optional_policy(`
	seutil_sigchld_newrole(asterisk_t)
')

optional_policy(`
	udev_read_db(asterisk_t)
')

ifdef(`TODO',`
allow initrc_t asterisk_var_run_t:fifo_file unlink;
allow sysadm_t asterisk_t:unix_stream_socket { connectto rw_stream_socket_perms };
')