policy_module(irc, 2.2.3)

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

## <desc>
##	<p>
##	Determine whether irc clients can
##	listen on and connect to any
##	unreserved TCP ports.
##	</p>
## </desc>
gen_tunable(irc_use_any_tcp_ports, false)

attribute_role irc_roles;

type irc_t;
type irc_exec_t;
typealias irc_t alias { user_irc_t staff_irc_t sysadm_irc_t };
typealias irc_t alias { auditadm_irc_t secadm_irc_t };
userdom_user_application_domain(irc_t, irc_exec_t)
role irc_roles types irc_t;

type irc_conf_t;
files_config_file(irc_conf_t)

type irc_home_t;
typealias irc_home_t alias { user_irc_home_t staff_irc_home_t sysadm_irc_home_t };
typealias irc_home_t alias { auditadm_irc_home_t secadm_irc_home_t };
userdom_user_home_content(irc_home_t)

type irc_log_home_t;
userdom_user_home_content(irc_log_home_t)

type irc_tmp_t;
typealias irc_tmp_t alias { user_irc_tmp_t staff_irc_tmp_t sysadm_irc_tmp_t };
typealias irc_tmp_t alias { auditadm_irc_tmp_t secadm_irc_tmp_t };
userdom_user_tmp_file(irc_tmp_t)

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

allow irc_t self:process { signal sigkill };
allow irc_t self:fifo_file rw_fifo_file_perms;
allow irc_t self:unix_stream_socket { accept listen };

allow irc_t irc_conf_t:file read_file_perms;

manage_dirs_pattern(irc_t, irc_home_t, irc_home_t)
manage_files_pattern(irc_t, irc_home_t, irc_home_t)
manage_lnk_files_pattern(irc_t, irc_home_t, irc_home_t)
userdom_user_home_dir_filetrans(irc_t, irc_home_t, dir, ".irssi")
userdom_user_home_dir_filetrans(irc_t, irc_home_t, file, ".ircmotd")

manage_dirs_pattern(irc_t, irc_log_home_t, irc_log_home_t)
create_files_pattern(irc_t, irc_log_home_t, irc_log_home_t)
append_files_pattern(irc_t, irc_log_home_t, irc_log_home_t)
userdom_user_home_dir_filetrans(irc_t, irc_log_home_t, dir, "irclogs")

manage_dirs_pattern(irc_t, irc_tmp_t, irc_tmp_t)
manage_files_pattern(irc_t, irc_tmp_t, irc_tmp_t)
manage_lnk_files_pattern(irc_t, irc_tmp_t, irc_tmp_t)
manage_fifo_files_pattern(irc_t, irc_tmp_t, irc_tmp_t)
manage_sock_files_pattern(irc_t, irc_tmp_t, irc_tmp_t)
files_tmp_filetrans(irc_t, irc_tmp_t, { file dir lnk_file sock_file fifo_file })

kernel_read_system_state(irc_t)

corenet_all_recvfrom_unlabeled(irc_t)
corenet_all_recvfrom_netlabel(irc_t)
corenet_tcp_sendrecv_generic_if(irc_t)
corenet_tcp_sendrecv_generic_node(irc_t)
corenet_tcp_sendrecv_all_ports(irc_t)

corenet_sendrecv_gatekeeper_client_packets(irc_t)
corenet_tcp_sendrecv_gatekeeper_port(irc_t)
corenet_tcp_connect_gatekeeper_port(irc_t)

corenet_sendrecv_http_cache_client_packets(irc_t)
corenet_tcp_connect_http_cache_port(irc_t)
corenet_tcp_sendrecv_http_cache_port(irc_t)

corenet_sendrecv_ircd_client_packets(irc_t)
corenet_tcp_connect_ircd_port(irc_t)
corenet_tcp_sendrecv_ircd_port(irc_t)

dev_read_urand(irc_t)
dev_read_rand(irc_t)

domain_use_interactive_fds(irc_t)

files_read_usr_files(irc_t)

fs_getattr_all_fs(irc_t)
fs_search_auto_mountpoints(irc_t)

term_use_controlling_term(irc_t)
term_list_ptys(irc_t)

auth_use_nsswitch(irc_t)

init_read_utmp(irc_t)
init_dontaudit_lock_utmp(irc_t)

miscfiles_read_localization(irc_t)

userdom_use_user_terminals(irc_t)

userdom_manage_user_home_content_dirs(irc_t)
userdom_manage_user_home_content_files(irc_t)
userdom_user_home_dir_filetrans_user_home_content(irc_t, { dir file })

tunable_policy(`irc_use_any_tcp_ports',`
	corenet_sendrecv_all_server_packets(irc_t)
	corenet_tcp_bind_all_unreserved_ports(irc_t)
	corenet_sendrecv_all_client_packets(irc_t)
	corenet_tcp_connect_all_unreserved_ports(irc_t)
	corenet_tcp_sendrecv_all_ports(irc_t)
')

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(irc_t)
	fs_manage_nfs_files(irc_t)
	fs_manage_nfs_symlinks(irc_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(irc_t)
	fs_manage_cifs_files(irc_t)
	fs_manage_cifs_symlinks(irc_t)
')

optional_policy(`
	seutil_use_newrole_fds(irc_t)
')