## <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>

##	Allow the specified domain to write to psad's log files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`psad_write_log',`

	gen_require(`

		type psad_var_log_t;

	')

	logging_search_logs($1)

	write_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, psad_etc_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)

')