diff --git a/refpolicy/Changelog b/refpolicy/Changelog index 08b3f25..17f994a 100644 --- a/refpolicy/Changelog +++ b/refpolicy/Changelog @@ -58,6 +58,7 @@ mplayer nagios nessus + nsd ntop openvpn (Petre Rodan) perdition diff --git a/refpolicy/policy/modules/services/bind.if b/refpolicy/policy/modules/services/bind.if index b551711..6797a13 100644 --- a/refpolicy/policy/modules/services/bind.if +++ b/refpolicy/policy/modules/services/bind.if @@ -271,4 +271,3 @@ interface(`bind_udp_chat_named',` allow $1 named_t:udp_socket sendto; allow named_t $1:udp_socket recvfrom; ') - diff --git a/refpolicy/policy/modules/services/bind.te b/refpolicy/policy/modules/services/bind.te index 3993d4c..3543172 100644 --- a/refpolicy/policy/modules/services/bind.te +++ b/refpolicy/policy/modules/services/bind.te @@ -1,5 +1,5 @@ -policy_module(bind,1.1.1) +policy_module(bind,1.1.2) ######################################## # @@ -199,6 +199,11 @@ optional_policy(` ') optional_policy(` + nsd_tcp_connect(named_t) + nsd_udp_chat(named_t) +') + +optional_policy(` seutil_sigchld_newrole(named_t) ') diff --git a/refpolicy/policy/modules/services/nsd.fc b/refpolicy/policy/modules/services/nsd.fc new file mode 100644 index 0000000..e18eae8 --- /dev/null +++ b/refpolicy/policy/modules/services/nsd.fc @@ -0,0 +1,14 @@ + +/etc/nsd(/.*)? gen_context(system_u:object_r:nsd_conf_t,s0) +/etc/nsd/nsd\.db -- gen_context(system_u:object_r:nsd_db_t,s0) +/etc/nsd/primary(/.*)? gen_context(system_u:object_r:nsd_zone_t,s0) +/etc/nsd/secondary(/.*)? gen_context(system_u:object_r:nsd_zone_t,s0) + +/usr/sbin/nsd -- gen_context(system_u:object_r:nsd_exec_t,s0) +/usr/sbin/nsdc -- gen_context(system_u:object_r:nsd_exec_t,s0) +/usr/sbin/nsd-notify -- gen_context(system_u:object_r:nsd_exec_t,s0) +/usr/sbin/zonec -- gen_context(system_u:object_r:nsd_exec_t,s0) + +/var/lib/nsd(/.*)? gen_context(system_u:object_r:nsd_zone_t,s0) +/var/lib/nsd/nsd\.db -- gen_context(system_u:object_r:nsd_db_t,s0) +/var/run/nsd\.pid -- gen_context(system_u:object_r:nsd_var_run_t,s0) diff --git a/refpolicy/policy/modules/services/nsd.if b/refpolicy/policy/modules/services/nsd.if new file mode 100644 index 0000000..3004b55 --- /dev/null +++ b/refpolicy/policy/modules/services/nsd.if @@ -0,0 +1,39 @@ +## Authoritative only name server + +######################################## +## +## Send and receive datagrams from NSD. +## +## +## +## Domain allowed access. +## +## +# +interface(`nsd_udp_chat',` + gen_require(` + type nsd_t; + ') + allow $1 nsd_t:udp_socket sendto; + allow nsd_t $1:udp_socket recvfrom; +') + +######################################## +## +## Connect to NSD over a TCP socket +## +## +## +## Domain allowed access. +## +## +# +interface(`nsd_tcp_connect',` + gen_require(` + type nsd_t; + ') + + allow $1 nsd_t:tcp_socket { connectto recvfrom }; + allow nsd_t $1:tcp_socket { acceptfrom recvfrom }; + kernel_tcp_recvfrom($1) +') diff --git a/refpolicy/policy/modules/services/nsd.te b/refpolicy/policy/modules/services/nsd.te new file mode 100644 index 0000000..1b833bb --- /dev/null +++ b/refpolicy/policy/modules/services/nsd.te @@ -0,0 +1,207 @@ + +policy_module(nsd,1.0.0) + +######################################## +# +# Declarations +# + +type nsd_t; +type nsd_exec_t; +init_daemon_domain(nsd_t,nsd_exec_t) + +# A type for configuration files of nsd +type nsd_conf_t; +files_type(nsd_conf_t) + +type nsd_crond_t; +domain_type(nsd_crond_t) +domain_entry_file(nsd_crond_t,nsd_exec_t) +role system_r types nsd_crond_t; + +# a type for nsd.db +type nsd_db_t; +files_type(nsd_db_t) + +type nsd_var_run_t; +files_pid_file(nsd_var_run_t) + +# A type for zone files +type nsd_zone_t; +files_type(nsd_zone_t) + +######################################## +# +# NSD Local policy +# + +allow nsd_t self:capability { dac_override chown setuid setgid }; +dontaudit nsd_t self:capability sys_tty_config; +allow nsd_t self:process signal_perms; +allow nsd_t self:tcp_socket create_stream_socket_perms; +allow nsd_t self:udp_socket create_socket_perms; + +allow nsd_t nsd_conf_t:dir r_dir_perms; +allow nsd_t nsd_conf_t:file r_file_perms; +allow nsd_t nsd_conf_t:lnk_file { getattr read }; + +allow nsd_t nsd_db_t:file manage_file_perms; +type_transition nsd_t nsd_zone_t:file nsd_db_t; +allow nsd_t nsd_zone_t:dir rw_dir_perms; + +allow nsd_t nsd_var_run_t:file create_file_perms; +allow nsd_t nsd_var_run_t:dir rw_dir_perms; +files_pid_filetrans(nsd_t,nsd_var_run_t,file) + +allow nsd_t nsd_zone_t:dir r_dir_perms; +allow nsd_t nsd_zone_t:file r_file_perms; +allow nsd_t nsd_zone_t:lnk_file { getattr read }; + +can_exec(nsd_t,nsd_exec_t) + +kernel_read_system_state(nsd_t) +kernel_read_kernel_sysctls(nsd_t) + +corecmd_exec_bin(nsd_t) + +corenet_tcp_sendrecv_generic_if(nsd_t) +corenet_udp_sendrecv_generic_if(nsd_t) +corenet_raw_sendrecv_generic_if(nsd_t) +corenet_tcp_sendrecv_all_nodes(nsd_t) +corenet_udp_sendrecv_all_nodes(nsd_t) +corenet_raw_sendrecv_all_nodes(nsd_t) +corenet_tcp_sendrecv_all_ports(nsd_t) +corenet_udp_sendrecv_all_ports(nsd_t) +corenet_non_ipsec_sendrecv(nsd_t) +corenet_tcp_bind_all_nodes(nsd_t) +corenet_udp_bind_all_nodes(nsd_t) +corenet_tcp_bind_dns_port(nsd_t) +corenet_udp_bind_dns_port(nsd_t) + +dev_read_sysfs(nsd_t) + +domain_use_interactive_fds(nsd_t) + +files_read_etc_files(nsd_t) +files_read_etc_runtime_files(nsd_t) + +fs_getattr_all_fs(nsd_t) +fs_search_auto_mountpoints(nsd_t) + +term_dontaudit_use_console(nsd_t) + +init_use_fds(nsd_t) +init_use_script_ptys(nsd_t) + +libs_use_ld_so(nsd_t) +libs_use_shared_libs(nsd_t) + +logging_send_syslog_msg(nsd_t) + +miscfiles_read_localization(nsd_t) + +sysnet_read_config(nsd_t) + +userdom_dontaudit_use_unpriv_user_fds(nsd_t) +userdom_dontaudit_search_sysadm_home_dirs(nsd_t) + +ifdef(`targeted_policy',` + term_dontaudit_use_unallocated_ttys(nsd_t) + term_dontaudit_use_generic_ptys(nsd_t) + files_dontaudit_read_root_files(nsd_t) +') + +optional_policy(` + nis_use_ypbind(nsd_t) +') + +optional_policy(` + seutil_sigchld_newrole(nsd_t) +') + +optional_policy(` + udev_read_db(nsd_t) +') + +######################################## +# +# Zone update cron job local policy +# + +# kill capability for root cron job and non-root daemon +allow nsd_crond_t self:capability { dac_override kill }; +dontaudit nsd_crond_t self:capability sys_nice; +allow nsd_crond_t self:process { setsched signal_perms }; +allow nsd_crond_t self:fifo_file rw_file_perms; +allow nsd_crond_t self:tcp_socket create_socket_perms; +allow nsd_crond_t self:udp_socket create_socket_perms; + +allow nsd_crond_t nsd_conf_t:file { getattr read ioctl }; + +allow nsd_crond_t nsd_db_t:file manage_file_perms; +type_transition nsd_crond_t nsd_zone_t:file nsd_db_t; +allow nsd_crond_t nsd_zone_t:dir rw_dir_perms; +files_search_var_lib(nsd_crond_t) + +allow nsd_crond_t nsd_t:process signal; +allow nsd_crond_t nsd_t:dir { search getattr read }; +allow nsd_crond_t nsd_t:{ file lnk_file } { read getattr }; +allow nsd_crond_t nsd_t:process getattr; + +allow nsd_crond_t nsd_zone_t:file manage_file_perms; +allow nsd_crond_t nsd_zone_t:dir rw_dir_perms; +type_transition nsd_crond_t nsd_conf_t:file nsd_zone_t; +allow nsd_crond_t nsd_conf_t:dir rw_dir_perms; + +can_exec(nsd_crond_t,nsd_exec_t) + +kernel_read_system_state(nsd_crond_t) + +corecmd_exec_bin(nsd_crond_t) +corecmd_exec_sbin(nsd_crond_t) +corecmd_exec_shell(nsd_crond_t) + +corenet_non_ipsec_sendrecv(nsd_crond_t) +corenet_tcp_sendrecv_generic_if(nsd_crond_t) +corenet_udp_sendrecv_generic_if(nsd_crond_t) +corenet_raw_sendrecv_generic_if(nsd_crond_t) +corenet_tcp_sendrecv_all_nodes(nsd_crond_t) +corenet_udp_sendrecv_all_nodes(nsd_crond_t) +corenet_raw_sendrecv_all_nodes(nsd_crond_t) +corenet_tcp_sendrecv_all_ports(nsd_crond_t) +corenet_udp_sendrecv_all_ports(nsd_crond_t) +corenet_tcp_bind_all_nodes(nsd_crond_t) +corenet_udp_bind_all_nodes(nsd_crond_t) +corenet_tcp_connect_all_ports(nsd_crond_t) + +# for SSP +dev_read_urand(nsd_crond_t) + +domain_dontaudit_read_all_domains_state(nsd_crond_t) + +files_read_etc_files(nsd_crond_t) +files_read_etc_runtime_files(nsd_crond_t) +files_search_var_lib(nsd_t) + +libs_use_ld_so(nsd_crond_t) +libs_use_shared_libs(nsd_crond_t) + +logging_send_syslog_msg(nsd_crond_t) + +miscfiles_read_localization(nsd_crond_t) + +sysnet_read_config(nsd_crond_t) + +userdom_dontaudit_search_sysadm_home_dirs(nsd_crond_t) + +optional_policy(` + cron_system_entry(nsd_crond_t,nsd_exec_t) +') + +optional_policy(` + nis_use_ypbind(nsd_crond_t) +') + +optional_policy(` + nscd_read_pid(nsd_crond_t) +')