selinux-policy/policy/modules/services/cobbler.te

policy_module(cobbler, 1.1.0)

########################################
#
# Cobbler personal declarations.
#

## <desc>
## <p>
##     Allow Cobbler to modify public files
##     used for public file transfer services.
## </p>
## </desc>
gen_tunable(cobbler_anon_write, false)
  
## <desc>
## <p>
##     Allow Cobbler to connect to the
##     network using TCP.
## </p>
## </desc>
gen_tunable(cobbler_can_network_connect, false)

## <desc>
## <p>
##     Allow Cobbler to access cifs file systems.
## </p>
## </desc>
gen_tunable(cobbler_use_cifs, false)

## <desc>
## <p>
##     Allow Cobbler to access nfs file systems.
## </p>
## </desc>
gen_tunable(cobbler_use_nfs, false)

type cobblerd_t;
type cobblerd_exec_t;
init_daemon_domain(cobblerd_t, cobblerd_exec_t)

type cobblerd_initrc_exec_t;
init_script_file(cobblerd_initrc_exec_t)

type cobbler_etc_t;
files_config_file(cobbler_etc_t)

type cobbler_content_t;
typealias cobbler_content_t alias cobbler_var_lib_t;
files_type(cobbler_content_t)

type cobbler_var_log_t;
logging_log_file(cobbler_var_log_t)

type cobbler_tmp_t;
files_tmp_file(cobbler_tmp_t)

# Cobbler check is not supported and is silently ignored.

########################################
#
# Cobbler local policy.
#

allow cobblerd_t self:capability { chown dac_override fowner fsetid sys_nice };
dontaudit cobblerd_t self:capability { sys_ptrace sys_tty_config };

allow cobblerd_t self:process { getsched setsched signal };
allow cobblerd_t self:fifo_file rw_fifo_file_perms;
allow cobblerd_t self:netlink_route_socket create_netlink_socket_perms;
allow cobblerd_t self:tcp_socket create_stream_socket_perms;
allow cobblerd_t self:udp_socket create_socket_perms;
allow cobblerd_t self:unix_dgram_socket create_socket_perms;

list_dirs_pattern(cobblerd_t, cobbler_etc_t, cobbler_etc_t)
read_files_pattern(cobblerd_t, cobbler_etc_t, cobbler_etc_t)

# Something that runs in the cobberd_t domain tries to relabelfrom cobbler_content_t dir to httpd_sys_content_t.
dontaudit cobblerd_t cobbler_content_t:dir relabel_dir_perms;

manage_dirs_pattern(cobblerd_t, cobbler_content_t, cobbler_content_t)
manage_files_pattern(cobblerd_t, cobbler_content_t, cobbler_content_t)
manage_lnk_files_pattern(cobblerd_t, cobbler_content_t, cobbler_content_t)
files_var_lib_filetrans(cobblerd_t, cobbler_content_t, { dir file lnk_file })

# Something really needs to write to cobbler.log. Ideally this should not be happening.
allow cobblerd_t cobbler_var_log_t:file write;

append_files_pattern(cobblerd_t, cobbler_var_log_t, cobbler_var_log_t)
create_files_pattern(cobblerd_t, cobbler_var_log_t, cobbler_var_log_t)
read_files_pattern(cobblerd_t, cobbler_var_log_t, cobbler_var_log_t)
setattr_files_pattern(cobblerd_t, cobbler_var_log_t, cobbler_var_log_t)
logging_log_filetrans(cobblerd_t, cobbler_var_log_t, file)

manage_dirs_pattern(cobblerd_t, cobbler_tmp_t, cobbler_tmp_t)
manage_files_pattern(cobblerd_t, cobbler_tmp_t, cobbler_tmp_t)
files_tmp_filetrans(cobblerd_t, cobbler_tmp_t, { dir file })

kernel_read_system_state(cobblerd_t)
kernel_dontaudit_search_network_state(cobblerd_t)

corecmd_exec_bin(cobblerd_t)
corecmd_exec_shell(cobblerd_t)

corenet_all_recvfrom_netlabel(cobblerd_t)
corenet_all_recvfrom_unlabeled(cobblerd_t)
corenet_tcp_bind_generic_node(cobblerd_t)
corenet_tcp_sendrecv_generic_if(cobblerd_t)
corenet_tcp_sendrecv_generic_node(cobblerd_t)
corenet_tcp_sendrecv_generic_port(cobblerd_t)
corenet_tcp_bind_cobbler_port(cobblerd_t)
corenet_tcp_sendrecv_cobbler_port(cobblerd_t)
corenet_sendrecv_cobbler_server_packets(cobblerd_t)
# sync and rsync to ftp and http are permitted by default, for any other media use cobbler_can_network_connect.
corenet_tcp_connect_ftp_port(cobblerd_t)
corenet_tcp_sendrecv_ftp_port(cobblerd_t)
corenet_sendrecv_ftp_client_packets(cobblerd_t)
corenet_tcp_connect_http_port(cobblerd_t)
corenet_tcp_sendrecv_http_port(cobblerd_t)
corenet_sendrecv_http_client_packets(cobblerd_t)

dev_read_urand(cobblerd_t)

domain_dontaudit_exec_all_entry_files(cobblerd_t)
domain_dontaudit_read_all_domains_state(cobblerd_t)

files_read_etc_files(cobblerd_t)
# mtab
files_read_etc_runtime_files(cobblerd_t)
files_read_usr_files(cobblerd_t)
files_list_boot(cobblerd_t)
files_read_boot_files(cobblerd_t)
files_list_tmp(cobblerd_t)

# read from mounted images (install media)
fs_read_iso9660_files(cobblerd_t)

init_dontaudit_read_all_script_files(cobblerd_t)

term_use_console(cobblerd_t)

miscfiles_read_localization(cobblerd_t)
miscfiles_read_public_files(cobblerd_t)

selinux_dontaudit_read_fs(cobblerd_t)

sysnet_read_config(cobblerd_t)
sysnet_rw_dhcp_config(cobblerd_t)
sysnet_write_config(cobblerd_t)

userdom_dontaudit_use_user_terminals(cobblerd_t)
userdom_dontaudit_search_user_home_dirs(cobblerd_t)
userdom_dontaudit_search_admin_dir(cobblerd_t)

tunable_policy(`cobbler_anon_write',`
	miscfiles_manage_public_files(cobblerd_t)
')

tunable_policy(`cobbler_can_network_connect',`
	corenet_tcp_connect_all_ports(cobblerd_t)
	corenet_tcp_sendrecv_all_ports(cobblerd_t)
	corenet_sendrecv_all_client_packets(cobblerd_t)
')

tunable_policy(`cobbler_use_cifs',`
	fs_manage_cifs_dirs(cobblerd_t)
	fs_manage_cifs_files(cobblerd_t)
	fs_manage_cifs_symlinks(cobblerd_t)
')

tunable_policy(`cobbler_use_nfs',`
	fs_manage_nfs_dirs(cobblerd_t)
	fs_manage_nfs_files(cobblerd_t)
	fs_manage_nfs_symlinks(cobblerd_t)
')

optional_policy(`
	# Cobbler traverses /var/www to get to /var/www/cobbler/*
	apache_search_sys_content(cobblerd_t)
')

optional_policy(`
	bind_read_config(cobblerd_t)
	bind_write_config(cobblerd_t)
	bind_domtrans_ndc(cobblerd_t)
	bind_domtrans(cobblerd_t)
	bind_initrc_domtrans(cobblerd_t)
	bind_manage_zone(cobblerd_t)
')

optional_policy(`
	certmaster_exec(cobblerd_t)
')

optional_policy(`
	dhcpd_domtrans(cobblerd_t)
	dhcpd_initrc_domtrans(cobblerd_t)
')

optional_policy(`
	dnsmasq_domtrans(cobblerd_t)
	dnsmasq_initrc_domtrans(cobblerd_t)
	dnsmasq_write_config(cobblerd_t)
')

optional_policy(`
	gnome_dontaudit_search_config(cobblerd_t)
')

optional_policy(`
	rpm_exec(cobblerd_t)
')

optional_policy(`
	rsync_exec(cobblerd_t)
	rsync_manage_config(cobblerd_t)
	# cobbler creates /etc/rsync.conf if its not there.
	rsync_filetrans_config(cobblerd_t, file)
')

optional_policy(`
	# Cobbler puts objects in both /var/lib/tftpdir as well as /var/lib/tftpdir/images.
	# tftp_manage_rw_content(cobblerd_t) can be used instead if:
	# 1. cobbler package installs /var/lib/tftpdir/images.
	# 2. no FILES in /var/lib/TFTPDIR are hard linked.
	# Cobbler also creates other directories in /var/lib/tftpdir (etc, s390x, ppc, pxelinux.cfg)
	# are any of those hard linked?
	tftp_filetrans_tftpdir(cobblerd_t, cobbler_content_t, { dir file })
')

########################################
#
# Cobbler web local policy.
#

# This should be removable when cobbler package installs /var/www/cobbler/rendered.
optional_policy(`
	gen_require(`
		attribute httpdcontent;
	')

	apache_content_template(cobbler)
	# To filetrans the /var/www/cobbler/rendered directory to cobbler_content_t.
	# I added "file" to it for now because fenris02 reported that cobbler buildiso tried to create a file with type
	# httpd_cobbler_content_t and i do not know where exaclty. Google reports it should be /var/www/cobbler/pub but
	# that directory should have been labeled cobbler_content_t. 
	filetrans_pattern(cobblerd_t, httpd_cobbler_content_t, cobbler_content_t, { dir file })
	# Something that runs in the cobberd_t domain tries to relabelfrom cobbler_content_t dir to httpd_sys_content_t.
	dontaudit cobblerd_t httpdcontent:dir relabel_dir_perms;
')