Dont audit writes to leaked file descriptors or redirected output for nacl

[people/stevee/selinux-policy.git] / policy / modules / apps / chrome.te

policy_module(chrome,1.0.0)

########################################
#
# Declarations
#

type chrome_sandbox_t;
type chrome_sandbox_exec_t;
application_domain(chrome_sandbox_t, chrome_sandbox_exec_t)
role system_r types chrome_sandbox_t;

type chrome_sandbox_tmp_t;
files_tmp_file(chrome_sandbox_tmp_t)

type chrome_sandbox_tmpfs_t;
files_tmpfs_file(chrome_sandbox_tmpfs_t)
ubac_constrained(chrome_sandbox_tmpfs_t)

type chrome_sandbox_nacl_t;
type chrome_sandbox_nacl_exec_t;
application_domain(chrome_sandbox_nacl_t, chrome_sandbox_nacl_exec_t)
role system_r types chrome_sandbox_nacl_t;

########################################
#
# chrome_sandbox local policy
#
allow chrome_sandbox_t self:capability { chown dac_override fsetid setgid setuid sys_admin sys_chroot };
tunable_policy(`deny_ptrace',`',`
	allow chrome_sandbox_t self:capability sys_ptrace;
')

allow chrome_sandbox_t self:process { signal_perms setrlimit execmem execstack };
allow chrome_sandbox_t self:process setsched;
allow chrome_sandbox_t self:fifo_file manage_file_perms;
allow chrome_sandbox_t self:unix_stream_socket create_stream_socket_perms;
allow chrome_sandbox_t self:unix_dgram_socket { create_socket_perms sendto };
allow chrome_sandbox_t self:shm create_shm_perms;
allow chrome_sandbox_t self:netlink_route_socket r_netlink_socket_perms;
dontaudit chrome_sandbox_t self:memprotect mmap_zero;

manage_dirs_pattern(chrome_sandbox_t, chrome_sandbox_tmp_t, chrome_sandbox_tmp_t)
manage_files_pattern(chrome_sandbox_t, chrome_sandbox_tmp_t, chrome_sandbox_tmp_t)
files_tmp_filetrans(chrome_sandbox_t, chrome_sandbox_tmp_t, { dir file })

manage_files_pattern(chrome_sandbox_t, chrome_sandbox_tmpfs_t, chrome_sandbox_tmpfs_t)
fs_tmpfs_filetrans(chrome_sandbox_t, chrome_sandbox_tmpfs_t, file)

kernel_read_system_state(chrome_sandbox_t)
kernel_read_kernel_sysctls(chrome_sandbox_t)

fs_manage_cgroup_dirs(chrome_sandbox_t)
fs_manage_cgroup_files(chrome_sandbox_t)

corecmd_exec_bin(chrome_sandbox_t)

corenet_all_recvfrom_unlabeled(chrome_sandbox_t)
corenet_all_recvfrom_netlabel(chrome_sandbox_t)
corenet_tcp_connect_flash_port(chrome_sandbox_t)
corenet_tcp_connect_streaming_port(chrome_sandbox_t)
corenet_tcp_connect_pulseaudio_port(chrome_sandbox_t)
corenet_tcp_connect_http_port(chrome_sandbox_t)
corenet_tcp_connect_http_cache_port(chrome_sandbox_t)
corenet_tcp_connect_squid_port(chrome_sandbox_t)
corenet_tcp_sendrecv_generic_if(chrome_sandbox_t)
corenet_tcp_sendrecv_generic_node(chrome_sandbox_t)
corenet_tcp_connect_ipp_port(chrome_sandbox_t)
corenet_tcp_connect_speech_port(chrome_sandbox_t)

domain_dontaudit_read_all_domains_state(chrome_sandbox_t)

dev_read_urand(chrome_sandbox_t)
dev_read_sysfs(chrome_sandbox_t)
dev_rwx_zero(chrome_sandbox_t)

files_read_etc_files(chrome_sandbox_t)
files_read_usr_files(chrome_sandbox_t)

fs_dontaudit_getattr_all_fs(chrome_sandbox_t)

userdom_rw_inherited_user_tmpfs_files(chrome_sandbox_t)
userdom_execute_user_tmpfs_files(chrome_sandbox_t)

userdom_use_user_ptys(chrome_sandbox_t)
userdom_write_inherited_user_tmp_files(chrome_sandbox_t)
userdom_read_inherited_user_home_content_files(chrome_sandbox_t)
userdom_dontaudit_use_user_terminals(chrome_sandbox_t)
userdom_search_user_home_content(chrome_sandbox_t)
# This one we should figure a way to make it more secure
userdom_manage_home_certs(chrome_sandbox_t)

miscfiles_read_localization(chrome_sandbox_t)
miscfiles_read_fonts(chrome_sandbox_t)

sysnet_dns_name_resolve(chrome_sandbox_t)

optional_policy(`
	gnome_rw_inherited_config(chrome_sandbox_t)
	gnome_read_home_config(chrome_sandbox_t)
')

optional_policy(`
	xserver_use_user_fonts(chrome_sandbox_t)
	xserver_user_x_domain_template(chrome_sandbox, chrome_sandbox_t, chrome_sandbox_tmpfs_t)
')

tunable_policy(`use_nfs_home_dirs',`
	fs_search_nfs(chrome_sandbox_t)
	fs_exec_nfs_files(chrome_sandbox_t)
	fs_read_nfs_files(chrome_sandbox_t)
	fs_rw_inherited_nfs_files(chrome_sandbox_t)
	fs_read_nfs_symlinks(chrome_sandbox_t)
	fs_dontaudit_append_nfs_files(chrome_sandbox_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_search_cifs(chrome_sandbox_t)
	fs_exec_cifs_files(chrome_sandbox_t)
	fs_rw_inherited_cifs_files(chrome_sandbox_t)
	fs_read_cifs_files(chrome_sandbox_t)
	fs_read_cifs_symlinks(chrome_sandbox_t)
	fs_dontaudit_append_cifs_files(chrome_sandbox_t)
')

tunable_policy(`use_fusefs_home_dirs',`
    fs_search_fusefs(chrome_sandbox_t)
    fs_read_fusefs_files(chrome_sandbox_t)
    fs_exec_fusefs_files(chrome_sandbox_t)
	fs_read_fusefs_symlinks(chrome_sandbox_t)
')

optional_policy(`
	sandbox_use_ptys(chrome_sandbox_t)
')


########################################
#
# chrome_sandbox_nacl local policy
#

allow chrome_sandbox_nacl_t self:process execmem;
allow chrome_sandbox_nacl_t self:fifo_file manage_fifo_file_perms;
allow chrome_sandbox_nacl_t self:unix_stream_socket create_stream_socket_perms;
allow chrome_sandbox_nacl_t self:shm create_shm_perms;
allow chrome_sandbox_nacl_t self:unix_dgram_socket { create_socket_perms sendto };
allow chrome_sandbox_nacl_t chrome_sandbox_t:unix_stream_socket { getattr write read };
allow chrome_sandbox_t chrome_sandbox_nacl_t:unix_stream_socket { getattr write read };

allow chrome_sandbox_nacl_t chrome_sandbox_t:shm rw_shm_perms;
allow chrome_sandbox_nacl_t chrome_sandbox_tmpfs_t:file rw_inherited_file_perms;
allow chrome_sandbox_t chrome_sandbox_nacl_t:process share;

manage_files_pattern(chrome_sandbox_nacl_t, chrome_sandbox_tmpfs_t, chrome_sandbox_tmpfs_t)
fs_tmpfs_filetrans(chrome_sandbox_nacl_t, chrome_sandbox_tmpfs_t, file)

domain_use_interactive_fds(chrome_sandbox_nacl_t)

dontaudit chrome_sandbox_nacl_t self:memprotect mmap_zero;

domtrans_pattern(chrome_sandbox_t, chrome_sandbox_nacl_exec_t, chrome_sandbox_nacl_t)
ps_process_pattern(chrome_sandbox_t, chrome_sandbox_nacl_t)

kernel_read_system_state(chrome_sandbox_nacl_t)

dev_read_urand(chrome_sandbox_nacl_t)
dev_read_sysfs(chrome_sandbox_nacl_t)

files_read_etc_files(chrome_sandbox_nacl_t)

miscfiles_read_localization(chrome_sandbox_nacl_t)

corecmd_sbin_entry_type(chrome_sandbox_nacl_t)

userdom_use_inherited_user_ptys(chrome_sandbox_nacl_t)
userdom_rw_inherited_user_tmpfs_files(chrome_sandbox_nacl_t)
userdom_execute_user_tmpfs_files(chrome_sandbox_nacl_t)
userdom_read_inherited_user_tmp_files(chrome_sandbox_nacl_t)

optional_policy(`
	gnome_dontaudit_write_config_files(chrome_sandbox_nacl_t)
')