## <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;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, psad_exec_t, psad_t)

')

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

## <summary>

##	Send generic signals 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 null signals 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 configuration content.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`psad_read_config',`

	gen_require(`

		type psad_etc_t;

	')

	files_search_etc($1)

	allow $1 psad_etc_t:dir list_dir_perms;

	allow $1 psad_etc_t:file read_file_perms;

	allow $1 psad_etc_t:lnk_file read_lnk_file_perms;

')

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

## <summary>

##	Create, read, write, and delete

##	psad configuration content.

## </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 and write 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>

##	Read psad log content.

## </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)

	allow $1 psad_var_log_t:dir list_dir_perms;

	allow $1 psad_var_log_t:file read_file_perms;

')

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

## <summary>

##	Append psad 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)

	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>

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

## </summary>

## <param name="domain">

##  <summary>

##  Domain allowed access.

##  </summary>

## </param>

#

interface(`psad_setattr_log',`

    gen_require(`

        type psad_var_log_t;

    ')

    logging_search_logs($1)

    setattr_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_var_lib_t;

	')

	files_search_var_lib($1)

	rw_fifo_files_pattern($1, psad_var_lib_t, psad_var_lib_t)

')

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

## <summary>

##  Allow setattr to psad fifo files.

## </summary>

## <param name="domain">

##  <summary>

##  Domain allowed access.

##  </summary>

## </param>

#

interface(`psad_setattr_fifo_file',`

    gen_require(`

        type psad_t, psad_var_lib_t;

    ')

    files_search_var_lib($1)

	allow $1 psad_var_lib_t:fifo_file setattr;

    search_dirs_pattern($1, psad_var_lib_t, psad_var_lib_t)

')

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

## <summary>

##	Read and write psad temporary 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>

##	Role allowed access.

##	</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, psad_etc_t;

		type psad_tmp_t;

	')

	allow $1 psad_t:process signal_perms;

	ps_process_pattern($1, psad_t)

	tunable_policy(`deny_ptrace',`',`

		allow $1 psad_t:process ptrace;

	')

	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_list_etc($1)

	admin_pattern($1, psad_etc_t)

	files_list_pids($1)

	admin_pattern($1, psad_var_run_t)

	logging_list_logs($1)

	admin_pattern($1, psad_var_log_t)

	files_list_var_lib($1)

	admin_pattern($1, psad_var_lib_t)

	files_list_tmp($1)

	admin_pattern($1, psad_tmp_t)

')