selinux-policy/policy/modules/apps/gpg.if

## <summary>Policy for GNU Privacy Guard and related programs.</summary>

############################################################
## <summary>
##	Role access for gpg
## </summary>
## <param name="role">
##	<summary>
##	Role allowed access
##	</summary>
## </param>
## <param name="domain">
##	<summary>
##	User domain for the role
##	</summary>
## </param>
#
interface(`gpg_role',`
	gen_require(`
		type gpg_t, gpg_exec_t;
		type gpg_agent_t, gpg_agent_exec_t;
		type gpg_agent_tmp_t;
		type gpg_helper_t, gpg_pinentry_t;
	')

	role $1 types { gpg_t gpg_agent_t gpg_helper_t gpg_pinentry_t };

	# transition from the userdomain to the derived domain
	domtrans_pattern($2, gpg_exec_t, gpg_t)

	# allow ps to show gpg
	ps_process_pattern($2, gpg_t)
	allow $2 gpg_t:process { signull sigstop signal sigkill };

	# communicate with the user 
	allow gpg_helper_t $2:fd use;
	allow gpg_helper_t $2:fifo_file write;

	# allow ps to show gpg-agent
	ps_process_pattern($2, gpg_agent_t)

	# Allow the user shell to signal the gpg-agent program.
	allow $2 gpg_agent_t:process { signal sigkill };

	manage_dirs_pattern($2, gpg_agent_tmp_t, gpg_agent_tmp_t)
	manage_files_pattern($2, gpg_agent_tmp_t, gpg_agent_tmp_t)
	manage_sock_files_pattern($2, gpg_agent_tmp_t, gpg_agent_tmp_t)
	files_tmp_filetrans(gpg_agent_t, gpg_agent_tmp_t, { file sock_file dir })

	# Transition from the user domain to the agent domain.
	domtrans_pattern($2, gpg_agent_exec_t, gpg_agent_t)

	ifdef(`hide_broken_symptoms',`
		#Leaked File Descriptors
		dontaudit gpg_t $2:fifo_file rw_fifo_file_perms;
		dontaudit gpg_t $2:tcp_socket rw_socket_perms;
		dontaudit gpg_t $2:udp_socket rw_socket_perms;
		dontaudit gpg_t $2:unix_stream_socket rw_socket_perms;
		dontaudit gpg_t $2:unix_dgram_socket rw_socket_perms;
	')
')

########################################
## <summary>
##	Transition to a user gpg domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`gpg_domtrans',`
	gen_require(`
		type gpg_t, gpg_exec_t;
	')

	domtrans_pattern($1, gpg_exec_t, gpg_t)
')

########################################
## <summary>
##	Send generic signals to user gpg processes.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`gpg_signal',`
	gen_require(`
		type gpg_t;
	')

	allow $1 gpg_t:process signal;
')