## <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)
	init_reload_services($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>
##	Read kdump crash files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`kdump_read_crash',`
	gen_require(`
		type kdump_crash_t;
	')

	files_search_var($1)
	read_files_pattern($1, kdump_crash_t, kdump_crash_t)
	list_dirs_pattern($1, kdump_crash_t, kdump_crash_t)
')

#####################################
## <summary>
##	Read kdump crash files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`kdump_manage_crash',`
	gen_require(`
		type kdump_crash_t;
	')

	files_search_var($1)
	manage_files_pattern($1, kdump_crash_t, kdump_crash_t)
	manage_dirs_pattern($1, kdump_crash_t, kdump_crash_t)
')

#####################################
## <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>
##	Read and write kdump lock files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`kdump_rw_lock',`
	gen_require(`
		type kdump_lock_t;
	')

	files_search_locks($1)
    rw_files_pattern($1, kdump_lock_t, kdump_lock_t)
')

###################################
## <summary>
##      Read/write inherited kdump /var/tmp named pipes.
## </summary>
## <param name="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
interface(`kdump_rw_inherited_kdumpctl_tmp_pipes',`
        gen_require(`
                type kdumpctl_tmp_t;
        ')

    files_search_tmp($1)
    allow $1 kdumpctl_tmp_t:fifo_file rw_inherited_fifo_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_fifo_files_pattern($1, kdumpctl_tmp_t, kdumpctl_tmp_t)
	manage_lnk_files_pattern($1, kdumpctl_tmp_t, kdumpctl_tmp_t)
    allow $1 kdumpctl_tmp_t:file map;
')

#######################################
## <summary>
##  Transition content labels to kdump named content
## </summary>
## <param name="domain">
##  <summary>
##      Domain allowed access.
##  </summary>
## </param>
#
interface(`kdump_filetrans_named_content',`
    gen_require(`
        type kdump_lock_t;
    ')

    files_lock_filetrans($1, kdump_lock_t, file, "kdump")
')

######################################
## <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;
		type kdump_crash_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)

	files_search_var($1)
	admin_pattern($1, kdump_crash_t)

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

###################################
## <summary>
##     Dontaudit Read/write inherited kdump /var/tmp named pipes.
## </summary>
## <param name="domain">
##      <summary>
##      Domain to not audit
##      </summary>
## </param>
#
interface(`kdump_dontaudit_inherited_kdumpctl_tmp_pipes',`
        gen_require(`
                type kdumpctl_tmp_t;
        ')

        dontaudit $1 kdumpctl_tmp_t:fifo_file rw_inherited_fifo_file_perms;
')


###################################
## <summary>
##     Manage kdump lib files
## </summary>
## <param name="domain">
##      <summary>
##      Domain to allow access
##      </summary>
## </param>
#
interface(`kdump_manage_lib_files',`
        gen_require(`
                type kdump_var_lib_t;
        ')

	manage_files_pattern($1, kdump_var_lib_t, kdump_var_lib_t)
')

#######################################
## <summary>
##	Send to kdumpctl over a unix dgram socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`kdump_dgram_send_kdumpctl',`
	gen_require(`
		type kdumpctl_t;
	')

	allow $1 kdumpctl_t:unix_dgram_socket sendto;
')