## <summary>IRC client policy</summary>

#######################################

## <summary>

##	The per user domain template for the irc module.

## </summary>

## <desc>

##	

##	This template creates a derived domains which are used

##	for an irc client sessions.

##	

##	

##	This template is invoked automatically for each user, and

##	generally does not need to be invoked directly

##	by policy writers.

##	

## </desc>

## <param name="userdomain_prefix">

##	<summary>

##	The prefix of the user domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="user_domain">

##	<summary>

##	The type of the user domain.

##	</summary>

## </param>

## <param name="user_role">

##	<summary>

##	The role associated with the user domain.

##	</summary>

## </param>

#

template(`irc_per_userdomain_template',`

	gen_require(`

		type irc_exec_t;

	')

	########################################

	#

	# Declarations

	#

	type $1_irc_t;

	domain_type($1_irc_t)

	domain_entry_file($1_irc_t,irc_exec_t)

	role $3 types $1_irc_t;

	type $1_irc_exec_t;

	userdom_user_home_content($1,$1_irc_exec_t)

	domain_entry_file($1_irc_t,$1_irc_exec_t)

	type $1_irc_home_t;

	userdom_user_home_content($1,$1_irc_home_t)

	type $1_irc_tmp_t;

	userdom_user_home_content($1,$1_irc_tmp_t)

	########################################

	#

	# Local policy

	#

	allow $1_irc_t self:dir search;

	allow $1_irc_t self:lnk_file read;

	allow $1_irc_t self:unix_stream_socket create_stream_socket_perms;

	allow $1_irc_t self:tcp_socket create_socket_perms;

	allow $1_irc_t self:udp_socket create_socket_perms;

	allow $1_irc_t $1_irc_home_t:dir create_dir_perms;

	allow $1_irc_t $1_irc_home_t:file create_file_perms;

	allow $1_irc_t $1_irc_home_t:lnk_file create_lnk_perms;

	userdom_user_home_dir_filetrans($1,$1_irc_t,$1_irc_home_t,{ dir file lnk_file })

	# access files under /tmp

	allow $1_irc_t $1_irc_tmp_t:dir create_dir_perms;

	allow $1_irc_t $1_irc_tmp_t:file create_file_perms;

	allow $1_irc_t $1_irc_tmp_t:lnk_file create_lnk_perms;

	allow $1_irc_t $1_irc_tmp_t:sock_file create_file_perms;

	allow $1_irc_t $1_irc_tmp_t:fifo_file create_file_perms;

	files_tmp_filetrans($1_irc_t,$1_irc_tmp_t,{ file dir lnk_file sock_file fifo_file })

	# Transition from the user domain to the derived domain.

	domain_auto_trans($2,irc_exec_t,$1_irc_t)

	allow $2 $1_irc_t:fd use;

	allow $1_irc_t $2:fd use;

	allow $1_irc_t $2:fifo_file rw_file_perms;

	allow $1_irc_t $2:process sigchld;

	allow $2 $1_irc_t:process signal;

	allow $2 $1_irc_exec_t:file { relabelfrom relabelto create_file_perms };

	# allow ps to show irc

	allow $2 $1_irc_t:dir { search getattr read };

	allow $2 $1_irc_t:{ file lnk_file } { read getattr };

	allow $2 $1_irc_t:process getattr;

	# We need to suppress this denial because procps tries to access

	# /proc/pid/environ and this now triggers a ptrace check in recent kernels

	# (2.4 and 2.6).  Might want to change procps to not do this, or only if

	# running in a privileged domain.

	dontaudit $2 $1_irc_t:process ptrace;

	kernel_read_proc_symlinks($1_irc_t)

	corenet_non_ipsec_sendrecv($1_irc_t)

	corenet_tcp_sendrecv_generic_if($1_irc_t)

	corenet_udp_sendrecv_generic_if($1_irc_t)

	corenet_tcp_sendrecv_all_nodes($1_irc_t)

	corenet_udp_sendrecv_all_nodes($1_irc_t)

	corenet_tcp_sendrecv_all_ports($1_irc_t)

	corenet_udp_sendrecv_all_ports($1_irc_t)

	corenet_sendrecv_ircd_client_packets($1_irc_t)

	# cjp: this seems excessive:

	corenet_tcp_connect_all_ports($1_irc_t)

	corenet_sendrecv_all_client_packets($1_irc_t)

	domain_use_interactive_fds($1_irc_t)

	files_dontaudit_search_pids($1_irc_t)

	files_search_var($1_irc_t)

	files_read_etc_files($1_irc_t)

	files_read_usr_files($1_irc_t)

	fs_getattr_xattr_fs($1_irc_t)

	fs_search_auto_mountpoints($1_irc_t)

	term_use_controlling_term($1_irc_t)

	term_list_ptys($1_irc_t)

	# allow utmp access

	init_read_utmp($1_irc_t)

	init_dontaudit_lock_utmp($1_irc_t)

	libs_use_ld_so($1_irc_t)

	libs_use_shared_libs($1_irc_t)

	miscfiles_read_localization($1_irc_t)

	# Inherit and use descriptors from newrole.

	seutil_use_newrole_fds($1_irc_t)

	sysnet_read_config($1_irc_t)

	# Write to the user domain tty.

	userdom_use_user_terminals($1,$1_irc_t)

	tunable_policy(`use_nfs_home_dirs',`

		fs_manage_nfs_dirs($1_irc_t)

		fs_manage_nfs_files($1_irc_t)

		fs_manage_nfs_symlinks($1_irc_t)

	')

	tunable_policy(`use_samba_home_dirs',`

		fs_manage_cifs_dirs($1_irc_t)

		fs_manage_cifs_files($1_irc_t)

		fs_manage_cifs_symlinks($1_irc_t)

	')

	optional_policy(`

		nis_use_ypbind($1_irc_t)

	')

	ifdef(`TODO',`

		optional_policy(`

			allow $1_irc_t ircd_t:tcp_socket { connectto recvfrom };

			allow ircd_t $1_irc_t:tcp_socket { acceptfrom recvfrom };

			kernel_tcp_recvfrom($1_irc_t)

			kernel_tcp_recvfrom(ircd_t)

		')

	')

')