## <summary>Kernel crash dumping mechanism</summary>

######################################
## <summary>
##	Execute kdump in the kdump domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`kdump_domtrans',`
	gen_require(`
		type kdump_t, kdump_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, kdump_exec_t, kdump_t)
')

######################################
## <summary>
##	Execute kdumpctl in the kdumpctl domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`kdumpctl_domtrans',`
	gen_require(`
		type kdumpctl_t, kdumpctl_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, kdumpctl_exec_t, kdumpctl_t)
')


#######################################
## <summary>
##	Execute kdump in the kdump domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`kdump_initrc_domtrans',`
	gen_require(`
		type kdump_initrc_exec_t;
	')

	init_labeled_script_domtrans($1, kdump_initrc_exec_t)
')

########################################
## <summary>
##	Execute kdump server in the kdump domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`kdump_systemctl',`
	gen_require(`
		type kdump_unit_file_t;
		type kdump_t;
	')

	systemd_exec_systemctl($1)
	systemd_search_unit_dirs($1)
	allow $1 kdump_unit_file_t:file read_file_perms;
	allow $1 kdump_unit_file_t:service all_service_perms;

	ps_process_pattern($1, kdump_t)
')

#####################################
## <summary>
##	Read kdump configuration file.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`kdump_read_config',`
	gen_require(`
		type kdump_etc_t;
	')

	files_search_etc($1)
	allow $1 kdump_etc_t:file read_file_perms;
')

#####################################
## <summary>
##	Dontaudit read kdump configuration file.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`kdump_dontaudit_read_config',`
	gen_require(`
		type kdump_etc_t;
	')

	dontaudit $1 kdump_etc_t:file read_inherited_file_perms;
')

####################################
## <summary>
##	Manage kdump configuration file.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`kdump_manage_config',`
	gen_require(`
		type kdump_etc_t;
	')

	files_search_etc($1)
	allow $1 kdump_etc_t:file manage_file_perms;
')

###################################
## <summary>
##      Manage kdump /var/tmp files.
## </summary>
## <param name="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
interface(`kdump_manage_kdumpctl_tmp_files',`
        gen_require(`
                type kdumpctl_tmp_t;
        ')

        files_search_tmp($1)
        manage_files_pattern($1, kdumpctl_tmp_t, kdumpctl_tmp_t)
	manage_dirs_pattern($1, kdumpctl_tmp_t, kdumpctl_tmp_t)
	manage_lnk_files_pattern($1, kdumpctl_tmp_t, kdumpctl_tmp_t)
')

######################################
## <summary>
##	All of the rules required to administrate 
##	an kdump environment
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to be allowed to manage the kdump domain.
##	</summary>
## </param>
## <rolecap/>
#
interface(`kdump_admin',`
	gen_require(`
		type kdump_t, kdump_etc_t;
		type kdump_initrc_exec_t;
		type kdump_unit_file_t;
	')

	allow $1 kdump_t:process signal_perms;
	ps_process_pattern($1, kdump_t)
	tunable_policy(`deny_ptrace',`',`
		allow $1 kdump_t:process ptrace;
	')

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

	files_search_etc($1)
	admin_pattern($1, kdump_etc_t)

	kdump_systemctl($1)
	admin_pattern($1, kdump_unit_file_t)
	allow $1 kdump_unit_file_t:service all_service_perms;
')