## <summary>APT advanced package toll.</summary>

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

## <summary>

##	Execute apt programs in the apt domain.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`apt_domtrans',`

	gen_require(`

		type apt_t, apt_exec_t;

	')

	files_search_usr($1)

	corecmd_search_bin($1)

	domain_auto_trans($1,apt_exec_t,apt_t)

	# allow basic communication

	allow $1 apt_t:fd use;

	allow apt_t $1:fd use;

	allow apt_t $1:fifo_file rw_file_perms;

	allow apt_t $1:process sigchld;

')

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

## <summary>

##	Execute apt programs in the apt domain.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to allow the apt domain.

##	</summary>

## </param>

## <param name="terminal">

##	<summary>

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

##	</summary>

## </param>

#

interface(`apt_run',`

	gen_require(`

		type apt_t;

	')

	apt_domtrans($1)

	role $2 types apt_t;

	allow apt_t $3:chr_file rw_term_perms;

	# TODO: likely have to add dpkg_run here.

')

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

## <summary>

##	Inherit and use file descriptors from apt.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`apt_use_fds',`

	gen_require(`

		type apt_t;

	')

	allow $1 apt_t:fd use;

	# TODO: enforce dpkg_use_fd?

')

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

## <summary>

##	Read from an unnamed apt pipe.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`apt_read_pipes',`

	gen_require(`

		type apt_t;

	')

	allow $1 apt_t:fifo_file r_file_perms;

	# TODO: enforce dpkg_read_pipes?

')

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

## <summary>

##	Read and write an unnamed apt pipe.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`apt_rw_pipes',`

	gen_require(`

		type apt_t;

	')

	allow $1 apt_t:fifo_file rw_file_perms;

	# TODO: enforce dpkg_rw_pipes?

')

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

## <summary>

##	Read the apt package database.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`apt_read_db',`

	gen_require(`

		type apt_var_lib_t;

	')

	files_search_var_lib($1)

	allow $1 apt_var_lib_t:dir r_dir_perms;

	allow $1 apt_var_lib_t:file { getattr read };

	allow $1 apt_var_lib_t:lnk_file r_file_perms;

')

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

## <summary>

##	Create, read, write, and delete the apt package database.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`apt_manage_db',`

	gen_require(`

		type apt_var_lib_t;

	')

	files_search_var_lib($1)

	allow $1 apt_var_lib_t:dir rw_dir_perms;

	allow $1 apt_var_lib_t:file { getattr create read write append unlink };

	allow $1 apt_var_lib_t:lnk_file { getattr read write unlink };

')

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

## <summary>

##	Do not audit attempts to create, read, 

##	write, and delete the apt package database.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`apt_dontaudit_manage_db',`

	gen_require(`

		type apt_var_lib_t;

	')

	dontaudit $1 apt_var_lib_t:dir rw_dir_perms;

	dontaudit $1 apt_var_lib_t:file create_file_perms;

	dontaudit $1 apt_var_lib_t:lnk_file create_lnk_perms;

')