## <summary>
##	Portage Package Management System. The primary package management and
##	distribution system for Gentoo.
## </summary>

########################################
## <summary>
##	Execute emerge in the portage domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`portage_domtrans',`
	gen_require(`
		type portage_t, portage_t.merge, portage_exec_t;
	')

	files_search_usr($1)
	corecmd_search_bin($1)

	# constraining domain
	domain_trans($1,portage_exec_t,portage_t)
	allow portage_t $1:fd use;
	allow portage_t $1:fifo_file rw_fifo_file_perms;
	allow portage_t $1:process sigchld;

	# transition to portage
	domtrans_pattern($1,portage_exec_t,portage_t.merge)
')

########################################
## <summary>
##	Execute emerge in the portage domain, and
##	allow the specified role the portage domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to allow the portage domain.
##	</summary>
## </param>
## <param name="terminal">
##	<summary>
##	The type of the terminal allow for portage to use.
##	</summary>
## </param>
## <rolecap/>
#
interface(`portage_run',`
	gen_require(`
		type portage_t;
		type portage_t.merge, portage_t.fetch, portage_t.sandbox;
	')

	portage_domtrans($1)

	# constraining access
	role $2 types portage_t;
	allow portage_t $3:chr_file rw_term_perms;

	# specific access
	role $2 types { portage_t.merge portage_t.fetch portage_t.sandbox };
	allow portage_t.merge $3:chr_file rw_term_perms;
	allow portage_t.fetch $3:chr_file rw_term_perms;
	allow portage_t.sandbox $3:chr_file rw_term_perms;
')

########################################
## <summary>
##	Template for portage sandbox.
## </summary>
## <desc>
##	<p>
##	Template for portage sandbox.  Portage
##	does all compiling in the sandbox.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain Allowed Access
##	</summary>
## </param>
#
interface(`portage_compile_domain',`

	gen_require(`
		class dbus send_msg;
	')

	allow $1 self:capability { fowner fsetid mknod setgid setuid chown dac_override net_raw };
	dontaudit $1 self:capability sys_chroot;
	allow $1 self:process { setpgid setsched setrlimit signal_perms execmem };
	allow $1 self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
	allow $1 self:fd use;
	allow $1 self:fifo_file rw_fifo_file_perms;
	allow $1 self:shm create_shm_perms;
	allow $1 self:sem create_sem_perms;
	allow $1 self:msgq create_msgq_perms;
	allow $1 self:msg { send receive };
	allow $1 self:unix_dgram_socket create_socket_perms;
	allow $1 self:unix_stream_socket create_stream_socket_perms;
	allow $1 self:unix_dgram_socket sendto;
	allow $1 self:unix_stream_socket connectto;
	# really shouldnt need this
	allow $1 self:tcp_socket create_stream_socket_perms;
	allow $1 self:udp_socket create_socket_perms;
	# misc networking stuff (esp needed for compiling perl):
	allow $1 self:rawip_socket { create ioctl };
	# needed for merging dbus:
	allow $1 self:netlink_selinux_socket { bind create read };
	allow $1 self:dbus send_msg;

	allow $1 portage_devpts_t:chr_file { rw_chr_file_perms setattr };
	term_create_pty($1,portage_devpts_t)

	# write compile logs
	allow $1 portage_log_t:dir setattr;
	allow $1 portage_log_t:file { append write setattr };

	# run scripts out of the build directory
	can_exec(portage_sandbox_t,portage_tmp_t)

	manage_dirs_pattern($1,portage_tmp_t,portage_tmp_t)
	manage_files_pattern($1,portage_tmp_t,portage_tmp_t)
	manage_lnk_files_pattern($1,portage_tmp_t,portage_tmp_t)
	manage_fifo_files_pattern($1,portage_tmp_t,portage_tmp_t)
	manage_sock_files_pattern($1,portage_tmp_t,portage_tmp_t)
	files_tmp_filetrans($1,portage_tmp_t,{ dir file lnk_file sock_file fifo_file })

	manage_files_pattern($1,portage_tmpfs_t,portage_tmpfs_t)
	manage_lnk_files_pattern($1,portage_tmpfs_t,portage_tmpfs_t)
	manage_fifo_files_pattern($1,portage_tmpfs_t,portage_tmpfs_t)
	manage_sock_files_pattern($1,portage_tmpfs_t,portage_tmpfs_t)
	fs_tmpfs_filetrans($1,portage_tmpfs_t,{ dir file lnk_file sock_file fifo_file })

	kernel_read_system_state($1)
	kernel_read_network_state($1)
	kernel_read_software_raid_state($1)
	kernel_getattr_core_if($1)
	kernel_getattr_message_if($1)
	kernel_read_kernel_sysctls($1)

	corecmd_exec_all_executables($1)

	# really shouldnt need this but some packages test
	# network access, such as during configure
	# also distcc--need to reinvestigate confining distcc client
	corenet_all_recvfrom_unlabeled($1)
	corenet_all_recvfrom_netlabel($1)
	corenet_tcp_sendrecv_generic_if($1)
	corenet_udp_sendrecv_generic_if($1)
	corenet_raw_sendrecv_generic_if($1)
	corenet_tcp_sendrecv_all_nodes($1)
	corenet_udp_sendrecv_all_nodes($1)
	corenet_raw_sendrecv_all_nodes($1)
	corenet_tcp_sendrecv_all_ports($1)
	corenet_udp_sendrecv_all_ports($1)
	corenet_tcp_connect_all_reserved_ports($1)
	corenet_tcp_connect_distccd_port($1)

	dev_read_sysfs($1)
	dev_read_rand($1)
	dev_read_urand($1)

	domain_use_interactive_fds($1)
	domain_dontaudit_read_all_domains_state($1)

	files_exec_etc_files($1)
	files_exec_usr_src_files($1)

	fs_getattr_xattr_fs($1)
	fs_list_noxattr_fs($1)
	fs_read_noxattr_fs_files($1)
	fs_read_noxattr_fs_symlinks($1)
	fs_search_auto_mountpoints($1)

	# needed for merging dbus:
	selinux_compute_access_vector($1)

	auth_read_all_dirs_except_shadow($1)
	auth_read_all_files_except_shadow($1)
	auth_read_all_symlinks_except_shadow($1)

	libs_use_ld_so($1)
	libs_use_shared_libs($1)
	libs_exec_lib_files($1)
	# some config scripts use ldd
	libs_exec_ld_so($1)
	# this violates the idea of sandbox, but
	# regular sandbox allows it
	libs_domtrans_ldconfig($1)

	logging_send_syslog_msg($1)

	ifdef(`TODO',`
	# some gui ebuilds want to interact with X server, like xawtv
	optional_policy(`
		allow $1 xdm_xserver_tmp_t:dir { add_name remove_name write };
		allow $1 xdm_xserver_tmp_t:sock_file { create getattr unlink write };
	')
	') dnl end TODO
')

########################################
## <summary>
##	Template for portage fetch.
## </summary>
## <param name="domain">
##	<summary>
##	Domain Allowed Access
##	</summary>
## </param>
#
interface(`portage_fetch_domain',`

	allow $1 self:capability { dac_override fowner fsetid };
	allow $1 self:process signal;
	allow $1 self:unix_stream_socket create_socket_perms;
	allow $1 self:tcp_socket create_stream_socket_perms;

	allow $1 portage_conf_t:dir list_dir_perms;
	read_files_pattern($1,portage_conf_t,portage_conf_t)

	manage_dirs_pattern($1,portage_ebuild_t,portage_ebuild_t)
	manage_files_pattern($1,portage_ebuild_t,portage_ebuild_t)

	manage_dirs_pattern($1,portage_fetch_tmp_t,portage_fetch_tmp_t)
	manage_files_pattern($1,portage_fetch_tmp_t,portage_fetch_tmp_t)

	# portage makes home dir the portage tmp dir, so
	# wget looks for .wgetrc there
	dontaudit $1 portage_tmp_t:dir search_dir_perms;

	kernel_read_system_state($1)
	kernel_read_kernel_sysctls($1)

	corecmd_exec_bin($1)

	corenet_all_recvfrom_unlabeled($1)
	corenet_all_recvfrom_netlabel($1)
	corenet_tcp_sendrecv_generic_if($1)
	corenet_tcp_sendrecv_all_nodes($1)
	corenet_tcp_sendrecv_all_ports($1)
	# would rather not connect to unspecified ports, but
	# it occasionally comes up
	corenet_tcp_connect_all_reserved_ports($1)
	corenet_tcp_connect_generic_port($1)

	dev_dontaudit_read_rand($1)

	domain_use_interactive_fds($1)

	files_read_etc_files($1)
	files_read_etc_runtime_files($1)
	files_search_var($1)
	files_dontaudit_search_pids($1)

	term_search_ptys($1)

	libs_use_ld_so($1)
	libs_use_shared_libs($1)

	miscfiles_read_localization($1)

	sysnet_read_config($1)
	sysnet_dns_name_resolve($1)

	sysadm_dontaudit_read_home_content_files($1)

	ifdef(`hide_broken_symptoms',`
		dontaudit $1 portage_cache_t:file read;
	')
')

########################################
## <summary>
##	Template for portage main.
## </summary>
## <param name="domain">
##	<summary>
##	Domain Allowed Access
##	</summary>
## </param>
#
interface(`portage_main_domain',`

	# - setfscreate for merging to live fs
	# - setexec to run portage fetch
	allow $1 self:process { setfscreate setexec };

	# if sesandbox is disabled, compiles are
	# performed in the main domain
	portage_compile_domain($1)

	allow $1 portage_log_t:file manage_file_perms;
	logging_log_filetrans($1,portage_log_t,file)

	# run scripts out of the build directory
	can_exec($1,portage_tmp_t)

	# merging baselayout will need this:
	kernel_write_proc_files($1)

	domain_dontaudit_read_all_domains_state($1)

	# modify any files in the system
	files_manage_all_files($1)

	selinux_get_fs_mount($1)

	auth_manage_shadow($1)

	# merging baselayout will need this:
	init_exec($1)

	# run setfiles -r
	seutil_domtrans_setfiles($1)
	# run semodule
	seutil_domtrans_semanage($1)

	portage_domtrans_gcc_config($1)

	optional_policy(`
		bootloader_domtrans($1)
	')

	optional_policy(`
		modutils_domtrans_depmod($1)
		modutils_domtrans_update_mods($1)
		#dontaudit update_modules_t portage_tmp_t:dir search_dir_perms;
	')

	optional_policy(`
		usermanage_domtrans_groupadd($1)
		usermanage_domtrans_useradd($1)
	')

	ifdef(`TODO',`
	# seems to work ok without these
	dontaudit portage_t device_t:{ blk_file chr_file } getattr;
	dontaudit portage_t proc_t:dir setattr;
	dontaudit portage_t device_type:chr_file read_chr_file_perms;
	dontaudit portage_t device_type:blk_file read_blk_file_perms;
	')
')

########################################
## <summary>
##	Execute gcc-config in the gcc_config domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`portage_domtrans_gcc_config',`
	gen_require(`
		type gcc_config_t, gcc_config_exec_t;
	')

	files_search_usr($1)
	corecmd_search_bin($1)

	domtrans_pattern($1,gcc_config_exec_t,gcc_config_t)
')

########################################
## <summary>
##	Execute gcc-config in the gcc_config domain, and
##	allow the specified role the gcc_config domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to allow the gcc_config domain.
##	</summary>
## </param>
## <param name="terminal">
##	<summary>
##	The type of the terminal allow for gcc_config to use.
##	</summary>
## </param>
## <rolecap/>
#
interface(`portage_run_gcc_config',`
	gen_require(`
		type gcc_config_t;
	')

	portage_domtrans_gcc_config($1)

	# constraining access
	role $2 types gcc_config_t;
	allow gcc_config_t $3:chr_file rw_term_perms;
')