## <summary>Update firewall filtering to ban IP addresses with too many password failures.</summary>

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

## <summary>

##	Execute a domain transition to run fail2ban.

## </summary>

## <param name="domain">

## <summary>

##	Domain allowed to transition.

## </summary>

## </param>

#

interface(`fail2ban_domtrans',`

	gen_require(`

		type fail2ban_t, fail2ban_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, fail2ban_exec_t, fail2ban_t)

')

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

## <summary>

##  Execute the fail2ban client in

##  the fail2ban client domain.

## </summary>

## <param name="domain">

##  <summary>

##  Domain allowed to transition.

##  </summary>

## </param>

#

interface(`fail2ban_domtrans_client',`

    gen_require(`

        type fail2ban_client_t, fail2ban_client_exec_t;

    ')

    corecmd_search_bin($1)

    domtrans_pattern($1, fail2ban_client_exec_t, fail2ban_client_t)

')

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

## <summary>

##  Execute fail2ban client in the

##  fail2ban client domain, and allow

##  the specified role the fail2ban

##  client domain.

## </summary>

## <param name="domain">

##  <summary>

##  Domain allowed to transition.

##  </summary>

## </param>

## <param name="role">

##  <summary>

##  Role allowed access.

##  </summary>

## </param>

#

interface(`fail2ban_run_client',`

    gen_require(`

        attribute_role fail2ban_client_roles;

    ')

    fail2ban_domtrans_client($1)

    roleattribute $2 fail2ban_client_roles;

')

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

## <summary>

##	Connect to fail2ban over a unix domain

##	stream socket.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`fail2ban_stream_connect',`

	gen_require(`

		type fail2ban_t, fail2ban_var_run_t;

	')

	files_search_pids($1)

	stream_connect_pattern($1, fail2ban_var_run_t, fail2ban_var_run_t, fail2ban_t)

')

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

## <summary>

##	Read and write inherited temporary files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`fail2ban_rw_inherited_tmp_files',`

	gen_require(`

		type fail2ban_tmp_t;

	')

	files_search_tmp($1)

	allow $1 fail2ban_tmp_t:file rw_inherited_file_perms;

')

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

## <summary>

##	Read and write to an fail2ba unix stream socket.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`fail2ban_rw_stream_sockets',`

	gen_require(`

		type fail2ban_t;

	')

	allow $1 fail2ban_t:unix_stream_socket rw_stream_socket_perms;

')

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

## <summary>

##	Read fail2ban lib files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`fail2ban_read_lib_files',`

	gen_require(`

		type fail2ban_var_lib_t;

	')

	files_search_var_lib($1)

	read_files_pattern($1, fail2ban_var_lib_t, fail2ban_var_lib_t)

')

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

## <summary>

##	Allow the specified domain to read fail2ban's log files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`fail2ban_read_log',`

	gen_require(`

		type fail2ban_log_t;

	')

	logging_search_logs($1)

	allow $1 fail2ban_log_t:dir list_dir_perms;

	allow $1 fail2ban_log_t:file read_file_perms;

')

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

## <summary>

##	Allow the specified domain to append

##	fail2ban log files.

## </summary>

## <param name="domain">

## 	<summary>

##	Domain allowed access.

## 	</summary>

## </param>

#

interface(`fail2ban_append_log',`

	gen_require(`

		type fail2ban_log_t;

	')

	logging_search_logs($1)

	allow $1 fail2ban_log_t:dir list_dir_perms;

	allow $1 fail2ban_log_t:file append_file_perms;

')

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

## <summary>

##	Read fail2ban PID files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`fail2ban_read_pid_files',`

	gen_require(`

		type fail2ban_var_run_t;

	')

	files_search_pids($1)

	allow $1 fail2ban_var_run_t:file read_file_perms;

')

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

## <summary>

##	dontaudit read and write an leaked file descriptors

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`fail2ban_dontaudit_leaks',`

	gen_require(`

		type fail2ban_t;

	')

 	dontaudit $1 fail2ban_t:tcp_socket { read write };

	dontaudit $1 fail2ban_t:unix_dgram_socket { read write };

	dontaudit $1 fail2ban_t:unix_stream_socket { read write };

')

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

## <summary>

##	All of the rules required to administrate 

##	an fail2ban environment

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to be allowed to manage the fail2ban domain.

##	</summary>

## </param>

## <rolecap/>

#

interface(`fail2ban_admin',`

	gen_require(`

		type fail2ban_t, fail2ban_log_t, fail2ban_initrc_exec_t;

		type fail2ban_var_run_t, fail2ban_var_lib_t, fail2ban_tmp_t;

		type fail2ban_client_t;

	')

	allow $1 { fail2ban_t fail2ban_client_t }:process signal_perms;

	ps_process_pattern($1, { fail2ban_t fail2ban_client_t })

	tunable_policy(`deny_ptrace',`',`

		allow $1 { fail2ban_t fail2ban_client_t }:process ptrace;

	')

	init_labeled_script_domtrans($1, fail2ban_initrc_exec_t)

	domain_system_change_exemption($1)

	role_transition $2 fail2ban_initrc_exec_t system_r;

	allow $2 system_r;

	logging_list_logs($1)

	admin_pattern($1, fail2ban_log_t)

	files_list_pids($1)

	admin_pattern($1, fail2ban_var_run_t)

	files_list_var_lib($1)

	admin_pattern($1, fail2ban_var_lib_t)

	files_list_tmp($1)

	admin_pattern($1, fail2ban_tmp_t)

	fail2ban_run_client($1, $2)

')