diff --git a/refpolicy/Changelog b/refpolicy/Changelog index 3b9500b..6e75449 100644 --- a/refpolicy/Changelog +++ b/refpolicy/Changelog @@ -1,3 +1,4 @@ +- Add yppasswd to nis module. - Change optional_policy() to refer to the module name rather than modulename.te. - Fix labeling targets to use installed file_contexts rather diff --git a/refpolicy/policy/modules/kernel/kernel.if b/refpolicy/policy/modules/kernel/kernel.if index 5933549..886a4ec 100644 --- a/refpolicy/policy/modules/kernel/kernel.if +++ b/refpolicy/policy/modules/kernel/kernel.if @@ -511,6 +511,23 @@ interface(`kernel_dontaudit_list_proc',` ######################################## ## +## Get the attributes of files in /proc. +## +## +## Domain allowed access. +## +# +interface(`kernel_getattr_proc_files',` + gen_require(` + type proc_t; + ') + + allow $1 proc_t:dir search; + allow $1 proc_t:file getattr; +') + +######################################## +## ## Read symbolic links in /proc. ## ## diff --git a/refpolicy/policy/modules/services/nis.fc b/refpolicy/policy/modules/services/nis.fc index b65ff3f..a2e760d 100644 --- a/refpolicy/policy/modules/services/nis.fc +++ b/refpolicy/policy/modules/services/nis.fc @@ -3,6 +3,7 @@ /sbin/ypbind -- gen_context(system_u:object_r:ypbind_exec_t,s0) +/usr/sbin/rpc.yppasswdd -- gen_context(system_u:object_r:yppasswdd_exec_t,s0) /usr/sbin/ypserv -- gen_context(system_u:object_r:ypserv_exec_t,s0) /var/yp(/.*)? gen_context(system_u:object_r:var_yp_t,s0) diff --git a/refpolicy/policy/modules/services/nis.if b/refpolicy/policy/modules/services/nis.if index 1709209..559a2e6 100644 --- a/refpolicy/policy/modules/services/nis.if +++ b/refpolicy/policy/modules/services/nis.if @@ -249,9 +249,9 @@ interface(`nis_delete_ypbind_pid',` # interface(`nis_read_ypserv_config',` gen_require(` - type ypserv_t; + type ypserv_conf_t; ') files_search_etc($1) - allow $1 ypserv_t:file { getattr read }; + allow $1 ypserv_conf_t:file { getattr read }; ') diff --git a/refpolicy/policy/modules/services/nis.te b/refpolicy/policy/modules/services/nis.te index 93da74e..c730053 100644 --- a/refpolicy/policy/modules/services/nis.te +++ b/refpolicy/policy/modules/services/nis.te @@ -1,5 +1,5 @@ -policy_module(nis,1.0.1) +policy_module(nis,1.0.2) ######################################## # @@ -19,6 +19,14 @@ files_tmp_file(ypbind_tmp_t) type ypbind_var_run_t; files_pid_file(ypbind_var_run_t) +type yppasswdd_t; +type yppasswdd_exec_t; +init_daemon_domain(yppasswdd_t,yppasswdd_exec_t) +domain_obj_id_change_exempt(yppasswdd_t) + +type yppasswdd_var_run_t; +files_pid_file(yppasswdd_var_run_t) + type ypserv_t; type ypserv_exec_t; init_daemon_domain(ypserv_t,ypserv_exec_t) @@ -106,6 +114,8 @@ sysnet_read_config(ypbind_t) userdom_dontaudit_use_unpriv_user_fd(ypbind_t) userdom_dontaudit_search_sysadm_home_dir(ypbind_t) +portmap_udp_sendto(ypbind_t) + ifdef(`targeted_policy', ` term_dontaudit_use_unallocated_tty(ypbind_t) term_dontaudit_use_generic_pty(ypbind_t) @@ -116,10 +126,6 @@ optional_policy(`mount',` mount_send_nfs_client_request(ypbind_t) ') -optional_policy(`portmap',` - portmap_udp_sendto(ypbind_t) -') - optional_policy(`selinuxutil',` seutil_sigchld_newrole(ypbind_t) ') @@ -130,6 +136,106 @@ optional_policy(`udev',` ######################################## # +# yppasswdd local policy +# + +dontaudit yppasswdd_t self:capability sys_tty_config; +allow yppasswdd_t self:fifo_file rw_file_perms; +allow yppasswdd_t self:process { setfscreate signal_perms }; +allow yppasswdd_t self:unix_dgram_socket create_socket_perms; +allow yppasswdd_t self:unix_stream_socket create_stream_socket_perms; +allow yppasswdd_t self:netlink_route_socket r_netlink_socket_perms; +allow yppasswdd_t self:tcp_socket create_stream_socket_perms; +allow yppasswdd_t self:udp_socket create_socket_perms; + +allow yppasswdd_t yppasswdd_var_run_t:file create_file_perms; +allow yppasswdd_t yppasswdd_var_run_t:dir rw_dir_perms; +files_create_pid(yppasswdd_t,yppasswdd_var_run_t) + +allow yppasswdd_t var_yp_t:dir rw_dir_perms; +allow yppasswdd_t var_yp_t:file create_file_perms; +allow yppasswdd_t var_yp_t:lnk_file create_lnk_perms; + +kernel_list_proc(yppasswdd_t) +kernel_read_proc_symlinks(yppasswdd_t) +kernel_getattr_proc_files(yppasswdd_t) +kernel_read_kernel_sysctl(yppasswdd_t) + +corenet_tcp_sendrecv_generic_if(yppasswdd_t) +corenet_udp_sendrecv_generic_if(yppasswdd_t) +corenet_raw_sendrecv_generic_if(yppasswdd_t) +corenet_tcp_sendrecv_all_nodes(yppasswdd_t) +corenet_udp_sendrecv_all_nodes(yppasswdd_t) +corenet_raw_sendrecv_all_nodes(yppasswdd_t) +corenet_tcp_sendrecv_all_ports(yppasswdd_t) +corenet_udp_sendrecv_all_ports(yppasswdd_t) +corenet_tcp_bind_all_nodes(yppasswdd_t) +corenet_udp_bind_all_nodes(yppasswdd_t) +corenet_tcp_bind_reserved_port(yppasswdd_t) +corenet_udp_bind_reserved_port(yppasswdd_t) +corenet_dontaudit_tcp_bind_all_reserved_ports(yppasswdd_t) +corenet_dontaudit_udp_bind_all_reserved_ports(yppasswdd_t) + +dev_read_sysfs(yppasswdd_t) + +fs_getattr_all_fs(yppasswdd_t) +fs_search_auto_mountpoints(yppasswdd_t) + +selinux_get_fs_mount(yppasswdd_t) + +term_dontaudit_use_console(yppasswdd_t) + +auth_manage_shadow(yppasswdd_t) +auth_relabel_shadow(yppasswdd_t) + +corecmd_exec_bin(yppasswdd_t) +corecmd_exec_shell(yppasswdd_t) +corecmd_search_sbin(yppasswdd_t) + +domain_use_wide_inherit_fd(yppasswdd_t) + +files_read_etc_files(yppasswdd_t) +files_read_etc_runtime_files(yppasswdd_t) +files_relabel_etc_files(yppasswdd_t) + +init_use_fd(yppasswdd_t) +init_use_script_pty(yppasswdd_t) +init_udp_sendto_script(yppasswdd_t) + +libs_use_ld_so(yppasswdd_t) +libs_use_shared_libs(yppasswdd_t) + +logging_send_syslog_msg(yppasswdd_t) + +miscfiles_read_localization(yppasswdd_t) + +sysnet_read_config(yppasswdd_t) + +userdom_dontaudit_use_unpriv_user_fd(yppasswdd_t) +userdom_dontaudit_search_sysadm_home_dir(yppasswdd_t) + +portmap_udp_sendto(yppasswdd_t) + +ifdef(`targeted_policy',` + term_dontaudit_use_unallocated_tty(yppasswdd_t) + term_dontaudit_use_generic_pty(yppasswdd_t) + files_dontaudit_read_root_file(yppasswdd_t) +') + +optional_policy(`hostname',` + hostname_exec(yppasswdd_t) +') + +optional_policy(`selinuxutil',` + seutil_sigchld_newrole(yppasswdd_t) +') + +optional_policy(`udev',` + udev_read_db(yppasswdd_t) +') + +######################################## +# # ypserv local policy # @@ -202,27 +308,18 @@ sysnet_read_config(ypserv_t) userdom_dontaudit_use_unpriv_user_fd(ypserv_t) userdom_dontaudit_search_sysadm_home_dir(ypserv_t) -ifdef(`targeted_policy', ` +portmap_udp_sendto(ypserv_t) + +ifdef(`targeted_policy',` term_dontaudit_use_unallocated_tty(ypserv_t) term_dontaudit_use_generic_pty(ypserv_t) files_dontaudit_read_root_file(ypserv_t) ') -optional_policy(`portmap',` - portmap_udp_sendto(ypserv_t) -') - optional_policy(`selinuxutil',` seutil_sigchld_newrole(ypserv_t) ') -optional_policy(`udev', ` +optional_policy(`udev',` udev_read_db(ypserv_t) ') - -ifdef(`TODO',` -# Read and write /var/yp. -ifdef(`rpcd.te', ` -allow rpcd_t ypserv_conf_t:file { getattr read }; -') -') dnl end TODO