## <summary>Intrusion Detection and Log Analysis with iptables</summary>

########################################
## <summary>
##	Execute a domain transition to run psad.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`psad_domtrans',`
	gen_require(`
		type psad_t, psad_exec_t;
	')

	domtrans_pattern($1, psad_exec_t, psad_t)
')

########################################
## <summary>
##	Send a generic signal to psad
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_signal',`
	gen_require(`
		type psad_t;
	')

	allow $1 psad_t:process signal;
')

#######################################
## <summary>
##	Send a null signal to psad.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_signull',`
	gen_require(`
		type psad_t;
	')

	allow $1 psad_t:process signull;
')

########################################
## <summary>
##	Read psad etc configuration files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_read_config',`
	gen_require(`
		type psad_etc_t;
	')

	files_search_etc($1)
	read_files_pattern($1, psad_etc_t, psad_etc_t)
')

########################################
## <summary>
##	Manage psad etc configuration files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_manage_config',`
	gen_require(`
		type psad_etc_t;
	')

	files_search_etc($1)
	manage_dirs_pattern($1, psad_etc_t, psad_etc_t)
	manage_files_pattern($1, psad_etc_t, psad_etc_t)

')

########################################
## <summary>
##	Read psad PID files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_read_pid_files',`
	gen_require(`
		type psad_var_run_t;
	')

	files_search_pids($1)
	read_files_pattern($1, psad_var_run_t, psad_var_run_t)
')

########################################
## <summary>
##	Read psad PID files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_rw_pid_files',`
	gen_require(`
		type psad_var_run_t;
	')

	files_search_pids($1)
	rw_files_pattern($1, psad_var_run_t, psad_var_run_t)
')

########################################
## <summary>
##	Allow the specified domain to read psad's log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`psad_read_log',`
	gen_require(`
		type psad_var_log_t;
	')

	logging_search_logs($1)
	list_dirs_pattern($1, psad_var_log_t, psad_var_log_t)
	read_files_pattern($1, psad_var_log_t, psad_var_log_t)
')

########################################
## <summary>
##	Allow the specified domain to append to psad's log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`psad_append_log',`
	gen_require(`
		type psad_var_log_t;
	')

	logging_search_logs($1)
	list_dirs_pattern($1, psad_var_log_t, psad_var_log_t)
	append_files_pattern($1, psad_var_log_t, psad_var_log_t)
')

########################################
## <summary>
##	Read and write psad fifo files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_rw_fifo_file',`
	gen_require(`
		type psad_t;
	')

	files_search_var_lib($1)
	search_dirs_pattern($1, psad_var_lib_t, psad_var_lib_t)
	rw_fifo_files_pattern($1, psad_var_lib_t, psad_var_lib_t)
')

#######################################
## <summary>
##	Read and write psad tmp files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`psad_rw_tmp_files',`
	gen_require(`
		type psad_tmp_t;
	')

	files_search_tmp($1)
	rw_files_pattern($1, psad_tmp_t, psad_tmp_t)
')

########################################
## <summary>
##	All of the rules required to administrate 
##	an psad environment
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to be allowed to manage the syslog domain.
##	</summary>
## </param>
## <rolecap/>
#
interface(`psad_admin',`
	gen_require(`
		type psad_t, psad_var_run_t, psad_var_log_t;
		type psad_initrc_exec_t, psad_var_lib_t;
		type psad_tmp_t;
	')

	allow $1 psad_t:process { ptrace signal_perms };
	ps_process_pattern($1, psad_t)

	init_labeled_script_domtrans($1, psad_initrc_exec_t)
	domain_system_change_exemption($1)
	role_transition $2 psad_initrc_exec_t system_r;
	allow $2 system_r;

	files_search_etc($1)
	admin_pattern($1, psad_etc_t)

	files_search_pids($1)
	admin_pattern($1, psad_var_run_t)

	logging_search_logs($1)
	admin_pattern($1, psad_var_log_t)

	files_search_var_lib($1)
	admin_pattern($1, psad_var_lib_t)

	files_search_tmp($1)
	admin_pattern($1, psad_tmp_t)
')