## <summary>ClamAV Virus Scanner</summary>

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

## <summary>

##	Execute a domain transition to run clamd.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`clamav_domtrans',`

	gen_require(`

		type clamd_t, clamd_exec_t;

	')

	domtrans_pattern($1, clamd_exec_t, clamd_t)

')

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

## <summary>

##	Connect to run clamd.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`clamav_stream_connect',`

	gen_require(`

		type clamd_t, clamd_var_run_t;

	')

	files_search_pids($1)

	stream_connect_pattern($1, clamd_var_run_t, clamd_var_run_t, clamd_t)

')

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

## <summary>

##	Allow the specified domain to append

##	to clamav log files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`clamav_append_log',`

	gen_require(`

		type clamd_var_log_t;

	')

	logging_search_logs($1)

	allow $1 clamd_var_log_t:dir list_dir_perms;

	append_files_pattern($1, clamd_var_log_t, clamd_var_log_t)

')

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

## <summary>

##	Read clamav configuration files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`clamav_read_config',`

	gen_require(`

		type clamd_etc_t;

	')

	files_search_etc($1)

	allow $1 clamd_etc_t:file read_file_perms;

')

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

## <summary>

##	Search clamav libraries directories.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`clamav_search_lib',`

	gen_require(`

		type clamd_var_lib_t;

	')

	files_search_var_lib($1)

	allow $1 clamd_var_lib_t:dir search_dir_perms;

')

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

## <summary>

##	Execute a domain transition to run clamscan.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`clamav_domtrans_clamscan',`

	gen_require(`

		type clamscan_t, clamscan_exec_t;

	')

	domtrans_pattern($1, clamscan_exec_t, clamscan_t)

')

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

## <summary>

##	Execute clamscan without a transition.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`clamav_exec_clamscan',`

	gen_require(`

		type clamscan_exec_t;

	')

	can_exec($1, clamscan_exec_t)

')

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

## <summary>

##	Manage clamd pid content.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`clamav_manage_clamd_pid',`

	gen_require(`

		type clamd_var_run_t;

	')

	manage_dirs_pattern($1, clamd_var_run_t, clamd_var_run_t)

	manage_files_pattern($1, clamd_var_run_t, clamd_var_run_t)

')

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

## <summary>

##      Read clamd state files.

## </summary>

## <param name="domain">

##      <summary>

##      Domain allowed access.

##      </summary>

## </param>

#

interface(`clamav_read_state_clamd',`

        gen_require(`

                type clamd_t;

        ')

        kernel_search_proc($1)

        ps_process_pattern($1, clamd_t)

')

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

## <summary>

##      Execute clamd server in the clamd domain.

## </summary>

## <param name="domain">

##      <summary>

##      Domain allowed to transition.

##      </summary>

## </param>

#

interface(`clamd_systemctl',`

        gen_require(`

                type clamd_t;

                type clamd_unit_file_t;

        ')

        systemd_exec_systemctl($1)

        systemd_read_fifo_file_passwd_run($1)

        allow $1 clamd_unit_file_t:file read_file_perms;

        allow $1 clamd_unit_file_t:service manage_service_perms;

        ps_process_pattern($1, clamd_t)

')

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

## <summary>

##	All of the rules required to administrate

##	an clamav environment

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="role">

##	<summary>

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

##	</summary>

## </param>

## <rolecap/>

#

interface(`clamav_admin',`

	gen_require(`

		type clamd_t, clamd_etc_t, clamd_tmp_t;

		type clamd_var_log_t, clamd_var_lib_t, clamd_var_run_t;

		type clamscan_t, clamscan_tmp_t, clamd_initrc_exec_t;

		type freshclam_t, freshclam_var_log_t;

		type clamd_unit_file_t;

	')

	allow $1 clamd_t:process signal_perms;

	ps_process_pattern($1, clamd_t)

	tunable_policy(`deny_ptrace',`',`

		allow $1 clamd_t:process ptrace;

		allow $1 clamscan_t:process ptrace;

		allow $1 freshclam_t:process ptrace;

	')

	allow $1 clamscan_t:process signal_perms;

	ps_process_pattern($1, clamscan_t)

	allow $1 freshclam_t:process signal_perms;

	ps_process_pattern($1, freshclam_t)

	init_labeled_script_domtrans($1, clamd_initrc_exec_t)

	domain_system_change_exemption($1)

	role_transition $2 clamd_initrc_exec_t system_r;

	allow $2 system_r;

	clamd_systemctl($1)

	admin_pattern($1, clamd_unit_file_t)

	allow $1 clamd_unit_file_t:service all_service_perms;

	files_list_etc($1)

	admin_pattern($1, clamd_etc_t)

	files_list_var_lib($1)

	admin_pattern($1, clamd_var_lib_t)

	logging_list_logs($1)

	admin_pattern($1, clamd_var_log_t)

	files_list_pids($1)

	admin_pattern($1, clamd_var_run_t)

	files_list_tmp($1)

	admin_pattern($1, clamd_tmp_t)

	admin_pattern($1, clamscan_tmp_t)

	admin_pattern($1, freshclam_var_log_t)

	optional_policy(`

		systemd_passwd_agent_exec($1)

		systemd_read_fifo_file_passwd_run($1)

	')

')