## <summary>SELinux policy module</summary>
## <desc>
##	<p>
##		SELinux policy module for XChat.
##	</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,xchat_port_t,mozilla_exec_t,$1_dbusd_t;
		class dbus acquire_svc;
        ')

	########################################
	#
	# 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;
	allow $1_xchat_t $2:unix_stream_socket connectto;

	allow $2 $1_xchat_t:fd use;
	allow $2 $1_xchat_t:unix_stream_socket connectto;
	allow $2 $1_xchat_t:shm { associate getattr };
	allow $2 $1_xchat_t:shm { 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)

	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)

	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)

	# seems that we must bind a tcp-socket to a port for DCC to work; default port tcp 4990
	# you can easely make a bigger range by labeling the ports xchat_port_t, defaults to just one DCC transfer at a time	
	allow $1_xchat_t xchat_port_t:tcp_socket name_bind;
	allow $1_xchat_t $1_dbusd_t:dbus acquire_svc;	

	corenet_all_recvfrom_netlabel($1_xchat_t)
	corenet_tcp_sendrecv_all_ports($1_xchat_t)
   	corenet_tcp_connect_all_ports($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_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)

	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)
	
	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)	

	# if you want to use sounds than XChat wil use /usr/bin/play
	allow $1_xchat_t bin_t:file execute_no_trans;

	# we do not want XChat to execute the web browser
	dontaudit $1_xchat_t mozilla_exec_t:file execute;

	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)

	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(`
		dbus_system_bus_client_template($1_xchat,$1_xchat_t)
		dbus_send_system_bus($1_xchat_t)
		dbus_user_bus_client_template($1,$1_xchat,$1_xchat_t)
		dbus_send_user_bus($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>
##      Read/write XChat per user udp_socket
## </summary>
## <desc>
##      <p>
##      Read/write XChat per user udp_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_udp_sockets',`
        gen_require(`
                type $1_xchat_t;
        ')

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