policy_module(dpkg, 1.7.0)

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

#

# Declarations

#

type dpkg_t;

type dpkg_exec_t;

# dpkg can start/stop services

init_system_domain(dpkg_t, dpkg_exec_t)

# dpkg can change file labels, roles, IO

domain_obj_id_change_exemption(dpkg_t)

domain_role_change_exemption(dpkg_t)

domain_system_change_exemption(dpkg_t)

domain_interactive_fd(dpkg_t)

role system_r types dpkg_t;

# lockfile

type dpkg_lock_t;

files_type(dpkg_lock_t)

type dpkg_tmp_t;

files_tmp_file(dpkg_tmp_t)

type dpkg_tmpfs_t;

files_tmpfs_file(dpkg_tmpfs_t)

# status files

type dpkg_var_lib_t alias var_lib_dpkg_t;

files_type(dpkg_var_lib_t)

# package scripts

type dpkg_script_t;

domain_type(dpkg_script_t)

domain_entry_file(dpkg_t, dpkg_var_lib_t)

corecmd_shell_entry_type(dpkg_script_t)

domain_obj_id_change_exemption(dpkg_script_t)

domain_system_change_exemption(dpkg_script_t)

domain_interactive_fd(dpkg_script_t)

role system_r types dpkg_script_t;

type dpkg_script_tmp_t;

files_tmp_file(dpkg_script_tmp_t)

type dpkg_script_tmpfs_t;

files_tmpfs_file(dpkg_script_tmpfs_t)

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

#

# dpkg Local policy

#

allow dpkg_t self:capability { chown dac_override fowner fsetid setgid setuid kill sys_tty_config sys_nice sys_resource mknod linux_immutable };

allow dpkg_t self:process { setpgid fork getsched setfscreate };

allow dpkg_t self:fd use;

allow dpkg_t self:fifo_file rw_fifo_file_perms;

allow dpkg_t self:unix_dgram_socket create_socket_perms;

allow dpkg_t self:unix_stream_socket rw_stream_socket_perms;

allow dpkg_t self:unix_dgram_socket sendto;

allow dpkg_t self:unix_stream_socket connectto;

allow dpkg_t self:udp_socket { connect create_socket_perms };

allow dpkg_t self:tcp_socket create_stream_socket_perms;

allow dpkg_t self:shm create_shm_perms;

allow dpkg_t self:sem create_sem_perms;

allow dpkg_t self:msgq create_msgq_perms;

allow dpkg_t self:msg { send receive };

allow dpkg_t dpkg_lock_t:file manage_file_perms;

manage_dirs_pattern(dpkg_t, dpkg_tmp_t, dpkg_tmp_t)

manage_files_pattern(dpkg_t, dpkg_tmp_t, dpkg_tmp_t)

files_tmp_filetrans(dpkg_t, dpkg_tmp_t, { file dir })

manage_dirs_pattern(dpkg_t, dpkg_tmpfs_t, dpkg_tmpfs_t)

manage_files_pattern(dpkg_t, dpkg_tmpfs_t, dpkg_tmpfs_t)

manage_lnk_files_pattern(dpkg_t, dpkg_tmpfs_t, dpkg_tmpfs_t)

manage_sock_files_pattern(dpkg_t, dpkg_tmpfs_t, dpkg_tmpfs_t)

manage_fifo_files_pattern(dpkg_t, dpkg_tmpfs_t, dpkg_tmpfs_t)

fs_tmpfs_filetrans(dpkg_t, dpkg_tmpfs_t, { dir file lnk_file sock_file fifo_file })

# Access /var/lib/dpkg files

manage_files_pattern(dpkg_t, dpkg_var_lib_t, dpkg_var_lib_t)

files_var_lib_filetrans(dpkg_t, dpkg_var_lib_t, dir)

kernel_read_system_state(dpkg_t)

kernel_read_kernel_sysctls(dpkg_t)

corecmd_exec_all_executables(dpkg_t)

# TODO: do we really need all networking?

corenet_all_recvfrom_unlabeled(dpkg_t)

corenet_all_recvfrom_netlabel(dpkg_t)

corenet_tcp_sendrecv_generic_if(dpkg_t)

corenet_raw_sendrecv_generic_if(dpkg_t)

corenet_udp_sendrecv_generic_if(dpkg_t)

corenet_tcp_sendrecv_generic_node(dpkg_t)

corenet_raw_sendrecv_generic_node(dpkg_t)

corenet_udp_sendrecv_generic_node(dpkg_t)

corenet_tcp_sendrecv_all_ports(dpkg_t)

corenet_udp_sendrecv_all_ports(dpkg_t)

corenet_tcp_connect_all_ports(dpkg_t)

corenet_sendrecv_all_client_packets(dpkg_t)

dev_list_sysfs(dpkg_t)

dev_list_usbfs(dpkg_t)

dev_read_urand(dpkg_t)

#devices_manage_all_device_types(dpkg_t)

domain_read_all_domains_state(dpkg_t)

domain_getattr_all_domains(dpkg_t)

domain_dontaudit_ptrace_all_domains(dpkg_t)

domain_use_interactive_fds(dpkg_t)

domain_dontaudit_getattr_all_pipes(dpkg_t)

domain_dontaudit_getattr_all_tcp_sockets(dpkg_t)

domain_dontaudit_getattr_all_udp_sockets(dpkg_t)

domain_dontaudit_getattr_all_packet_sockets(dpkg_t)

domain_dontaudit_getattr_all_raw_sockets(dpkg_t)

domain_dontaudit_getattr_all_stream_sockets(dpkg_t)

domain_dontaudit_getattr_all_dgram_sockets(dpkg_t)

fs_manage_nfs_dirs(dpkg_t)

fs_manage_nfs_files(dpkg_t)

fs_manage_nfs_symlinks(dpkg_t)

fs_getattr_all_fs(dpkg_t)

fs_search_auto_mountpoints(dpkg_t)

mls_file_read_all_levels(dpkg_t)

mls_file_write_all_levels(dpkg_t)

mls_file_upgrade(dpkg_t)

selinux_get_fs_mount(dpkg_t)

selinux_validate_context(dpkg_t)

selinux_compute_access_vector(dpkg_t)

selinux_compute_create_context(dpkg_t)

selinux_compute_relabel_context(dpkg_t)

selinux_compute_user_contexts(dpkg_t)

storage_raw_write_fixed_disk(dpkg_t)

# for installing kernel packages

storage_raw_read_fixed_disk(dpkg_t)

auth_relabel_all_files_except_shadow(dpkg_t)

auth_manage_all_files_except_shadow(dpkg_t)

auth_dontaudit_read_shadow(dpkg_t)

files_exec_etc_files(dpkg_t)

init_domtrans_script(dpkg_t)

init_use_script_ptys(dpkg_t)

libs_exec_ld_so(dpkg_t)

libs_exec_lib_files(dpkg_t)

libs_domtrans_ldconfig(dpkg_t)

logging_send_syslog_msg(dpkg_t)

# allow compiling and loading new policy

seutil_manage_src_policy(dpkg_t)

seutil_manage_bin_policy(dpkg_t)

sysnet_read_config(dpkg_t)

userdom_use_user_terminals(dpkg_t)

userdom_use_unpriv_users_fds(dpkg_t)

# transition to dpkg script:

dpkg_domtrans_script(dpkg_t)

# since the scripts aren't labeled correctly yet...

allow dpkg_t dpkg_var_lib_t:file mmap_file_perms;

optional_policy(`

	apt_use_ptys(dpkg_t)

')

# TODO: allow?

#optional_policy(`

#	cron_system_entry(dpkg_t,dpkg_exec_t)

#')

optional_policy(`

	nis_use_ypbind(dpkg_t)

')

optional_policy(`

	unconfined_domain(dpkg_t)

')

# TODO: the following was copied from dpkg_script_t, and could probably

# be removed again when dpkg_script_t is actually used...

domain_signal_all_domains(dpkg_t)

domain_signull_all_domains(dpkg_t)

files_read_etc_runtime_files(dpkg_t)

files_exec_usr_files(dpkg_t)

miscfiles_read_localization(dpkg_t)

modutils_domtrans_depmod(dpkg_t)

modutils_domtrans_insmod(dpkg_t)

seutil_domtrans_loadpolicy(dpkg_t)

seutil_domtrans_setfiles(dpkg_t)

userdom_use_all_users_fds(dpkg_t)

optional_policy(`

	mta_send_mail(dpkg_t)

')

optional_policy(`

	usermanage_domtrans_groupadd(dpkg_t)

	usermanage_domtrans_useradd(dpkg_t)

')

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

#

# dpkg-script Local policy

#

# TODO: actually use dpkg_script_t

allow dpkg_script_t self:capability { chown dac_override dac_read_search fowner fsetid setgid setuid ipc_lock sys_chroot sys_nice mknod kill };

allow dpkg_script_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };

allow dpkg_script_t self:fd use;

allow dpkg_script_t self:fifo_file rw_fifo_file_perms;

allow dpkg_script_t self:unix_dgram_socket create_socket_perms;

allow dpkg_script_t self:unix_stream_socket rw_stream_socket_perms;

allow dpkg_script_t self:unix_dgram_socket sendto;

allow dpkg_script_t self:unix_stream_socket connectto;

allow dpkg_script_t self:shm create_shm_perms;

allow dpkg_script_t self:sem create_sem_perms;

allow dpkg_script_t self:msgq create_msgq_perms;

allow dpkg_script_t self:msg { send receive };

allow dpkg_script_t dpkg_tmp_t:file read_file_perms;

allow dpkg_script_t dpkg_script_tmp_t:dir { manage_dir_perms mounton };

allow dpkg_script_t dpkg_script_tmp_t:file manage_file_perms;

files_tmp_filetrans(dpkg_script_t, dpkg_script_tmp_t, { file dir })

allow dpkg_script_t dpkg_script_tmpfs_t:dir manage_dir_perms;

allow dpkg_script_t dpkg_script_tmpfs_t:file manage_file_perms;

allow dpkg_script_t dpkg_script_tmpfs_t:lnk_file manage_lnk_file_perms;

allow dpkg_script_t dpkg_script_tmpfs_t:sock_file manage_sock_file_perms;

allow dpkg_script_t dpkg_script_tmpfs_t:fifo_file manage_fifo_file_perms;

fs_tmpfs_filetrans(dpkg_script_t, dpkg_script_tmpfs_t, { dir file lnk_file sock_file fifo_file })

kernel_read_kernel_sysctls(dpkg_script_t)

kernel_read_system_state(dpkg_script_t)

corecmd_exec_all_executables(dpkg_script_t)

dev_list_sysfs(dpkg_script_t)

# ideally we would not need this

dev_manage_generic_blk_files(dpkg_script_t)

dev_manage_generic_chr_files(dpkg_script_t)

dev_manage_all_blk_files(dpkg_script_t)

dev_manage_all_chr_files(dpkg_script_t)

domain_read_all_domains_state(dpkg_script_t)

domain_getattr_all_domains(dpkg_script_t)

domain_dontaudit_ptrace_all_domains(dpkg_script_t)

domain_use_interactive_fds(dpkg_script_t)

domain_signal_all_domains(dpkg_script_t)

domain_signull_all_domains(dpkg_script_t)

files_exec_etc_files(dpkg_script_t)

files_read_etc_runtime_files(dpkg_script_t)

files_exec_usr_files(dpkg_script_t)

fs_manage_nfs_files(dpkg_script_t)

fs_getattr_nfs(dpkg_script_t)

# why is this not using mount?

fs_getattr_xattr_fs(dpkg_script_t)

fs_mount_xattr_fs(dpkg_script_t)

fs_unmount_xattr_fs(dpkg_script_t)

fs_search_auto_mountpoints(dpkg_script_t)

mls_file_read_all_levels(dpkg_script_t)

mls_file_write_all_levels(dpkg_script_t)

selinux_get_fs_mount(dpkg_script_t)

selinux_validate_context(dpkg_script_t)

selinux_compute_access_vector(dpkg_script_t)

selinux_compute_create_context(dpkg_script_t)

selinux_compute_relabel_context(dpkg_script_t)

selinux_compute_user_contexts(dpkg_script_t)

storage_raw_read_fixed_disk(dpkg_script_t)

storage_raw_write_fixed_disk(dpkg_script_t)

term_use_all_terms(dpkg_script_t)

auth_dontaudit_getattr_shadow(dpkg_script_t)

# ideally we would not need this

auth_manage_all_files_except_shadow(dpkg_script_t)

init_domtrans_script(dpkg_script_t)

init_use_script_fds(dpkg_script_t)

libs_exec_ld_so(dpkg_script_t)

libs_exec_lib_files(dpkg_script_t)

libs_domtrans_ldconfig(dpkg_script_t)

logging_send_syslog_msg(dpkg_script_t)

miscfiles_read_localization(dpkg_script_t)

modutils_domtrans_depmod(dpkg_script_t)

modutils_domtrans_insmod(dpkg_script_t)

seutil_domtrans_loadpolicy(dpkg_script_t)

seutil_domtrans_setfiles(dpkg_script_t)

userdom_use_all_users_fds(dpkg_script_t)

tunable_policy(`allow_execmem',`

	allow dpkg_script_t self:process execmem;

')

optional_policy(`

	apt_rw_pipes(dpkg_script_t)

	apt_use_fds(dpkg_script_t)

')

optional_policy(`

	bootloader_domtrans(dpkg_script_t)

')

optional_policy(`

	mta_send_mail(dpkg_script_t)

')

optional_policy(`

	nis_use_ypbind(dpkg_script_t)

')

optional_policy(`

	unconfined_domain(dpkg_script_t)

')

optional_policy(`

	usermanage_domtrans_groupadd(dpkg_script_t)

	usermanage_domtrans_useradd(dpkg_script_t)

')