## <summary>SELinux policy module</summary>
## <desc>
##	<p>
##		SELinux policy module for XChat
##		XChat scripting engines not fully supported
##	</p>
## </desc>

#######################################
## <summary>
##      The per role template for the XChat module.
## </summary>
## <desc>
##      <p>
##      This template creates derived domains which are used
##      for XChat.
##      </p>
##      <p>
##      This template is invoked automatically for each user, and
##      generally does not need to be invoked directly
##      by policy writers.
##      </p>
## </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(`xchat_per_role_template',`
        gen_require(`
                type xchat_exec_t,mozilla_exec_t,unconfined_execmem_exec_t;
        ')

        ########################################
        #
        # Declarations
        #
        type $1_xchat_t;
        application_domain($1_xchat_t,xchat_exec_t)
        role $3 types $1_xchat_t;
        
        type $1_xchat_home_t alias $1_xchat_rw_t;
        files_poly_member($1_xchat_home_t)
        userdom_user_home_content($1,$1_xchat_home_t)

        type $1_xchat_tmpfs_t;
        files_tmpfs_file($1_xchat_tmpfs_t)

        ########################################
        #
        # Local Policy
        #
        allow $1_xchat_t self:process { signal getsched setsched sigkill };
        allow $1_xchat_t self:fifo_file rw_fifo_file_perms;
        allow $1_xchat_t self:sem create_sem_perms;
        allow $1_xchat_t self:netlink_route_socket r_netlink_socket_perms;
        allow $1_xchat_t self:tcp_socket { create_socket_perms accept listen };
        allow $1_xchat_t self:udp_socket create_socket_perms;

        allow $1_xchat_t $2:fd use;
        allow $1_xchat_t $2:process sigchld;
		
		# XChat(GConfd-2) wants to stream connect to /tmp/orbit-*
		allow $1_xchat_t $2:unix_stream_socket connectto;
		allow $2 $1_xchat_t:unix_stream_socket connectto;

        allow $2 $1_xchat_t:fd use;
        allow $2 $1_xchat_t:shm { associate getattr unix_read unix_write };
		allow $2 $1_xchat_t:process ptrace;             

        manage_dirs_pattern($1_xchat_t,$1_xchat_home_t,$1_xchat_home_t)
        manage_files_pattern($1_xchat_t,$1_xchat_home_t,$1_xchat_home_t)
        manage_sock_files_pattern($1_xchat_t,$1_xchat_home_t,$1_xchat_home_t)

        userdom_user_home_dir_filetrans($1,$1_xchat_t,$1_xchat_home_t,{ dir sock_file file })
		userdom_search_user_home_dirs($1,$1_xchat_t)

		xchat_userdom_list_user_home_content_dirs($1,$1_xchat_t)
		xchat_userdom_dbus_sendrecv_all_users($1_xchat_t)

		# Interact with untrusted content
		userdom_read_user_home_content_files($1,$1_xchat_t)
		userdom_read_user_home_content_symlinks($1,$1_xchat_t)
		userdom_read_user_tmp_files($1,$1_xchat_t)
		userdom_list_user_files($1,$1_xchat_t)
		userdom_manage_user_tmp_dirs($1,$1_xchat_t)
		userdom_manage_user_tmp_files($1,$1_xchat_t)
		userdom_manage_user_tmp_sockets($1,$1_xchat_t)
		userdom_tmp_filetrans_user_tmp($1,$1_xchat_t, { file dir sock_file })

		# XChat wants to start the external browser when you click a URL
		# We use DBUS else dontaudit for now.
		dontaudit $1_xchat_t mozilla_exec_t:file execute;	

		# XChat wants getattr to Beagle sock_file in home
		dontaudit $1_xchat_t $1_home_t:sock_file getattr;

		# XChat wants unlink and write to .recently-used.xbel file in home
		allow $1_xchat_t $1_home_t:file unlink;
		# only if write_untrusted_content enabled.
		dontaudit $1_xchat_t $1_home_t:file write;

		# XChat wants to execute rhythmbox
		dontaudit $1_xchat_t unconfined_execmem_exec_t:file execute;

        manage_dirs_pattern($2,$1_xchat_home_t,$1_xchat_home_t)
        manage_files_pattern($2,$1_xchat_home_t,$1_xchat_home_t)
        manage_sock_files_pattern($2,$1_xchat_home_t,$1_xchat_home_t)

        relabel_dirs_pattern($2,$1_xchat_home_t,$1_xchat_home_t)
        relabel_files_pattern($2,$1_xchat_home_t,$1_xchat_home_t)
        relabel_sock_files_pattern($2,$1_xchat_home_t,$1_xchat_home_t)

        manage_files_pattern($1_xchat_t,$1_xchat_tmpfs_t,$1_xchat_tmpfs_t)
        manage_lnk_files_pattern($1_xchat_t,$1_xchat_tmpfs_t,$1_xchat_tmpfs_t)
        manage_fifo_files_pattern($1_xchat_t,$1_xchat_tmpfs_t,$1_xchat_tmpfs_t)
        manage_sock_files_pattern($1_xchat_t,$1_xchat_tmpfs_t,$1_xchat_tmpfs_t)
        fs_tmpfs_filetrans($1_xchat_t,$1_xchat_tmpfs_t,{ file lnk_file sock_file fifo_file })
        fs_rw_tmpfs_files($1_xchat_t)
       
		# If a port(range) is reserved and labeled for XChat than
		# XChat can bind a tcp_socket to it (DCC feature)
		allow $1_xchat_t xchat_port_t:tcp_socket name_bind;

       	corenet_all_recvfrom_netlabel($1_xchat_t)
        corenet_tcp_sendrecv_all_ports($1_xchat_t)
        corenet_tcp_connect_all_ports($1_xchat_t)
		corenet_tcp_connect_generic_port($1_xchat_t)
        corenet_all_recvfrom_unlabeled($1_xchat_t)
        corenet_tcp_sendrecv_all_if($1_xchat_t)
        corenet_tcp_sendrecv_all_nodes($1_xchat_t)
        corenet_tcp_bind_all_nodes($1_xchat_t)
		corenet_raw_sendrecv_generic_if($1_xchat_t)
		corenet_raw_sendrecv_all_nodes($1_xchat_t)
        corenet_sendrecv_generic_client_packets($1_xchat_t)

        corenet_dontaudit_tcp_sendrecv_generic_port($1_xchat_t)
        corenet_dontaudit_tcp_bind_generic_port($1_xchat_t)

        kernel_read_system_state($1_xchat_t)
        sysnet_read_config($1_xchat_t)  
        
        files_read_etc_files($1_xchat_t)
        files_read_etc_symlinks($1_xchat_t)
        files_read_etc_runtime_files($1_xchat_t)
        
        files_read_usr_files($1_xchat_t)
        files_read_usr_symlinks($1_xchat_t)

        kernel_dontaudit_list_unlabeled($1_xchat_t)
        kernel_dontaudit_getattr_unlabeled_files($1_xchat_t)
        kernel_dontaudit_read_unlabeled_files($1_xchat_t)
        
        files_dontaudit_list_non_security($1_xchat_t)
        files_dontaudit_getattr_non_security_files($1_xchat_t)
        fs_dontaudit_getattr_all_fs($1_xchat_t)

        dev_getattr_sysfs_dirs($1_xchat_t)
        fs_search_auto_mountpoints($1_xchat_t)
        fs_list_inotifyfs($1_xchat_t)
        
        term_dontaudit_getattr_pty_dirs($1_xchat_t)

		selinux_dontaudit_getattr_fs($1_xchat_t)

		dev_dontaudit_getattr_all_blk_files($1_xchat_t)
		dev_dontaudit_getattr_all_chr_files($1_xchat_t)

        domain_auto_trans($2, xchat_exec_t, $1_xchat_t)
        allow $2 $1_xchat_t:process { noatsecure siginh rlimitinh };

        ps_process_pattern($2,$1_xchat_t)
        allow $2 $1_xchat_t:process signal_perms;

        libs_exec_lib_files($1_xchat_t)
        libs_use_ld_so($1_xchat_t)

        miscfiles_read_localization($1_xchat_t)

		logging_send_syslog_msg($1_xchat_t)
        
		corecmd_exec_bin($1_xchat_t)
        corecmd_bin_entry_type($1_xchat_t)
        corecmd_read_bin_symlinks($1_xchat_t)
        corecmd_shell_entry_type($1_xchat_t)
        
        dev_read_urand($1_xchat_t)      
        dev_read_rand($1_xchat_t)

        dev_read_sound($1_xchat_t)
        dev_write_sound($1_xchat_t)

        alsa_read_rw_config($1_xchat_t) 

        userdom_use_user_terminals($1,$1_xchat_t)       
        
        xserver_user_client_template($1,$1_xchat_t,$1_xchat_tmpfs_t)

        xserver_dontaudit_read_xdm_tmp_files($1_xchat_t)
        xserver_dontaudit_getattr_xdm_tmp_sockets($1_xchat_t)

		xserver_xdm_sigchld($1_xchat_t)		

		ifdef(`enable_mls',`',`
			fs_search_removable($1_xchat_t)
			fs_read_removable_files($1_xchat_t)
			fs_read_removable_symlinks($1_xchat_t)
		')

		tunable_policy(`write_untrusted_content',`
			userdom_manage_user_home_content_dirs($1,$1_xchat_t)
			userdom_manage_user_home_content_files($1,$1_xchat_t)
			userdom_manage_user_home_content_sockets($1,$1_xchat_t)
			userdom_read_user_home_content_symlinks($1,$1_xchat_t)
			', `
			# helper apps will try to create .files
			userdom_dontaudit_create_user_home_content_files($1,$1_xchat_t)
		')

        tunable_policy(`use_nfs_home_dirs',`
                fs_manage_nfs_dirs($1_xchat_t)
                fs_manage_nfs_files($1_xchat_t)
                fs_manage_nfs_symlinks($1_xchat_t)
        ')

        tunable_policy(`use_samba_home_dirs',`
                fs_manage_cifs_dirs($1_xchat_t)
                fs_manage_cifs_files($1_xchat_t)
                fs_manage_cifs_symlinks($1_xchat_t)
        ')

		optional_policy(`
				xchat_dbus_user_bus_client_template($1,$1_xchat,$1_xchat_t)
				dbus_system_bus_client_template($1_xchat,$1_xchat_t)
				dbus_send_system_bus($1_xchat_t)
        ')

		optional_policy(`
				gnome_exec_gconf($1_xchat_t)
				gnome_manage_user_gnome_config($1,$1_xchat_t)
		')

		optional_policy(`
				gnome_domtrans_user_gconf($1,$1_xchat_t)
				gnome_stream_connect_gconf_template($1,$1_xchat_t)
		')

		optional_policy(`
				mozilla_read_user_home_files($1,$1_xchat_t)
				mozilla_domtrans_user_mozilla($1,$1_xchat_t)
				mozilla_dbus_chat($1,$1_xchat_t)
		')
')

########################################
## <summary>
##      Read XChat per user homedir
## </summary>
## <desc>
##      <p>
##      Read XChat per user homedir
##      </p>
##      <p>
##      This is a templated interface, and should only
##      be called from a per-userdomain template.
##      </p>
## </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="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
template(`xchat_read_user_home_files',`
        gen_require(`
                type $1_xchat_home_t;
        ')

        allow $2 $1_xchat_home_t:dir list_dir_perms;
        allow $2 $1_xchat_home_t:file read_file_perms;
')

########################################
## <summary>
##      Write XChat per user homedir
## </summary>
## <desc>
##      <p>
##      Write XChat per user homedir
##      </p>
##      <p>
##      This is a templated interface, and should only
##      be called from a per-userdomain template.
##      </p>
## </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="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
template(`xchat_write_user_home_files',`
        gen_require(`
                type $1_xchat_home_t;
        ')

        allow $2 $1_xchat_home_t:dir list_dir_perms;
        allow $2 $1_xchat_home_t:file write;
')

########################################
## <summary>
##      Run XChat in user XChat domain.
## </summary>
## <desc>
##      <p>
##      Run XChat in user XChat domain.
##      </p>
##      <p>
##      This is a templated interface, and should only
##      be called from a per-userdomain template.
##      </p>
## </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="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
template(`xchat_domtrans_user_xchat',`
        gen_require(`
                type $1_xchat_t, xchat_exec_t;
        ')

        domtrans_pattern($2, xchat_exec_t,$1_xchat_t)
')

########################################
## <summary>
##      Read/write XChat per user tcp_socket
## </summary>
## <desc>
##      <p>
##      Read/write XChat per user tcp_socket
##      </p>
##      <p>
##      This is a templated interface, and should only
##      be called from a per-userdomain template.
##      </p>
## </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="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
template(`xchat_rw_user_tcp_sockets',`
        gen_require(`
                type $1_xchat_t;
        ')

        allow $2 $1_xchat_t:tcp_socket rw_socket_perms;
')

########################################
## <summary>
##	XChat connection template.
## </summary>
## <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>
#
template(`xchat_stream_connect_template',`
	gen_require(`
		type $1_xchat_t;
	')

	allow $2 $1_xchat_t:unix_stream_socket connectto;
')

########################################
## <summary>
##	Send and receive messages from
##	XChat over dbus.
## </summary>
## <desc>
##	<p>
##	Send and receive messages from
##	XChat over dbus.
##	</p>
##	<p>
##	This is a templated interface, and should only
##	be called from a per-userdomain template.
##	</p>
## </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="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
template(`xchat_dbus_chat',`
	gen_require(`
		type $1_xchat_t;
		class dbus send_msg;
	')

	allow $2 $1_xchat_t:dbus send_msg;
	allow $1_xchat_t $2:dbus send_msg;
')

#######################################
## <summary>
##	Template for creating XChat connections to
##	a user DBUS.
##  Connect, send message and acquire service.
## </summary>
## <param name="user_prefix">
##	<summary>
##	The prefix of the domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
## <param name="domain_prefix">
##	<summary>
##	The prefix of the domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
## <param name="domain">
##	<summary>
##	The type of the domain.
##	</summary>
## </param>
#
template(`xchat_dbus_user_bus_client_template',`
	gen_require(`
		type $1_dbusd_t;
		class dbus send_msg;
		# XChat specifics
		class dbus acquire_svc;
	')

	type $2_dbusd_$1_t;
	type_change $3 $1_dbusd_t:dbus $2_dbusd_$1_t;

	# SE-DBus specific permissions
	allow $2_dbusd_$1_t { $1_dbusd_t self }:dbus send_msg;

	# For connecting to the bus
	allow $3 $1_dbusd_t:unix_stream_socket connectto;

	# XChat specifics
	allow $3 $1_dbusd_t:dbus send_msg;	
	allow $3 $1_dbusd_t:dbus acquire_svc;
')

########################################
## <summary>
##	XChat send and receive a dbus message to
##	and from all user domains.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`xchat_userdom_dbus_sendrecv_all_users',`
	gen_require(`
		attribute userdomain;
		class dbus send_msg;
	')

	allow $1 userdomain:dbus send_msg;
	# XChat specifics 
	allow userdomain $1:dbus send_msg;
')

########################################
## <summary>
##	XChat list directories
##	in a user home subdirectory.
## </summary>
## <desc>
##	<p>
##	XChat list directories
##	in a user home subdirectory.
##	</p>
##	<p>
##	This is a templated interface, and should only
##	be called from a per-userdomain template.
##	</p>
## </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="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
template(`xchat_userdom_list_user_home_content_dirs',`
	gen_require(`
		type $1_home_dir_t, $1_home_t;
		attribute user_home_type;
	')

	files_search_home($2)
	# XChat specifics
	list_dirs_pattern($2,{ $1_home_dir_t user_home_type },$1_home_t)
')