## <summary>Policy for kernel module utilities</summary>

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

## <summary>

##	Read the dependencies of kernel modules.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_read_module_deps',`

	gen_require(`

		type modules_dep_t;

	')

	files_list_kernel_modules($1)

	allow $1 modules_dep_t:file read_file_perms;

')

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

## <summary>

##	Read the configuration options used when

##	loading modules.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`modutils_read_module_config',`

	gen_require(`

		type modules_conf_t;

	')

	# This file type can be in /etc or

	# /lib(64)?/modules

	files_search_etc($1)

	files_search_boot($1)

	allow $1 modules_conf_t:file read_file_perms;

	allow $1 modules_conf_t:lnk_file read_lnk_file_perms;

')

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

## <summary>

##	Rename a file with the configuration options used when

##	loading modules.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_rename_module_config',`

	gen_require(`

		type modules_conf_t;

	')

	allow $1 modules_conf_t:file rename_file_perms;

')

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

## <summary>

##	Unlink a file with the configuration options used when

##	loading modules.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_delete_module_config',`

	gen_require(`

		type modules_conf_t;

	')

	allow $1 modules_conf_t:file unlink;

')

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

## <summary>

##	Unconditionally execute insmod in the insmod domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

# cjp: this is added for pppd, due to nested

# conditionals not working.

interface(`modutils_domtrans_insmod_uncond',`

	gen_require(`

		type insmod_t, insmod_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, insmod_exec_t, insmod_t)

')

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

## <summary>

##	Execute insmod in the insmod domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_domtrans_insmod',`

	gen_require(`

		bool secure_mode_insmod;

	')

	if (!secure_mode_insmod) {

		modutils_domtrans_insmod_uncond($1)

	}

')

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

## <summary>

##	Execute insmod in the insmod domain, and

##	allow the specified role the insmod domain,

##	and use the caller's terminal.  Has a sigchld

##	backchannel.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to be allowed the insmod domain.

##	</summary>

## </param>

## <param name="terminal">

##	<summary>

##	The type of the terminal allow the insmod domain to use.

##	</summary>

## </param>

## <rolecap/>

#

interface(`modutils_run_insmod',`

	gen_require(`

		type insmod_t;

	')

	modutils_domtrans_insmod($1)

	role $2 types insmod_t;

	allow insmod_t $3:chr_file rw_term_perms;

')

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

## <summary>

##	Execute insmod in the caller domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_exec_insmod',`

	gen_require(`

		type insmod_exec_t;

	')

	corecmd_search_bin($1)

	can_exec($1, insmod_exec_t)

')

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

## <summary>

##	Execute depmod in the depmod domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_domtrans_depmod',`

	gen_require(`

		type depmod_t, depmod_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, depmod_exec_t, depmod_t)

')

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

## <summary>

##	Execute depmod in the depmod domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to be allowed the depmod domain.

##	</summary>

## </param>

## <param name="terminal">

##	<summary>

##	The type of the terminal allow the depmod domain to use.

##	</summary>

## </param>

## <rolecap/>

#

interface(`modutils_run_depmod',`

	gen_require(`

		type depmod_t, insmod_t;

	')

	modutils_domtrans_depmod($1)

	role $2 types depmod_t;

	allow insmod_t $3:chr_file rw_term_perms;

')

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

## <summary>

##	Execute depmod in the caller domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_exec_depmod',`

	gen_require(`

		type depmod_exec_t;

	')

	corecmd_search_bin($1)

	can_exec($1, depmod_exec_t)

')

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

## <summary>

##	Execute depmod in the depmod domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_domtrans_update_mods',`

	gen_require(`

		type update_modules_t, update_modules_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, update_modules_exec_t, update_modules_t)

')

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

## <summary>

##	Execute update_modules in the update_modules domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to be allowed the update_modules domain.

##	</summary>

## </param>

## <param name="terminal">

##	<summary>

##	The type of the terminal allow the update_modules domain to use.

##	</summary>

## </param>

## <rolecap/>

#

interface(`modutils_run_update_mods',`

	gen_require(`

		type update_modules_t;

	')

	modutils_domtrans_update_mods($1)

	role $2 types update_modules_t;

	allow update_modules_t $3:chr_file rw_term_perms;

	modutils_run_insmod(update_modules_t, $2, $3)

')

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

## <summary>

##	Execute update_modules in the caller domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`modutils_exec_update_mods',`

	gen_require(`

		type update_modules_exec_t;

	')

	corecmd_search_bin($1)

	can_exec($1, update_modules_exec_t)

')