patch from dan Tue, 14 Feb 2006 09:01:16 -0500

refpolicy/policy/mcs

@@ -137,15 +137,24 @@ level s0:c0.c255;
 # Only files are constrained by MCS at this stage.
 #
 mlsconstrain file { write setattr append unlink link rename
-		    create ioctl lock execute } (h1 dom h2);
+		    ioctl lock execute relabelfrom } (h1 dom h2);
+
+mlsconstrain file { create relabelto } ((h1 dom h2) and (l2 eq h2));
 
 mlsconstrain file { read } ((h1 dom h2) or 
 			    ( t1 == mlsfileread ));
 
 
 # new file labels must be dominated by the relabeling subject clearance
-mlsconstrain { dir file lnk_file chr_file blk_file sock_file fifo_file } { relabelfrom relabelto }
+mlsconstrain { dir lnk_file chr_file blk_file sock_file fifo_file } { relabelfrom }
 	( h1 dom h2 );
+mlsconstrain { dir lnk_file chr_file blk_file sock_file fifo_file } { create relabelto }
+	(( h1 dom h2 ) and ( l2 eq h2 ));
+
+mlsconstrain process { ptrace } ( h1 dom h2 );
+
+mlsconstrain process { sigkill sigstop } ( h1 dom h2 ) or
+		( t1 == mcskillall );
 
 define(`nogetattr_file_perms', `{ create ioctl read lock write setattr append 
 link unlink rename relabelfrom relabelto }')

refpolicy/policy/modules/admin/prelink.te

@@ -1,5 +1,5 @@
 
-policy_module(prelink,1.0.2)
+policy_module(prelink,1.0.3)
 
 ########################################
 #
@@ -74,6 +74,7 @@ libs_relabel_shared_libs(prelink_t)
 libs_use_lib_files(prelink_t)
 libs_manage_lib_files(prelink_t)
 libs_relabel_lib_files(prelink_t)
+libs_delete_lib_symlinks(prelink_t)
 
 miscfiles_read_localization(prelink_t)
 

refpolicy/policy/modules/kernel/devices.if

@@ -2311,6 +2311,25 @@ interface(`dev_write_urand',`
 	allow $1 urandom_device_t:chr_file { getattr write ioctl };
 ')
 
+########################################
+## <summary>
+##	Read and write generic the USB devices.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`dev_rw_generic_usb_dev',`
+	gen_require(`
+		type usb_device_t;
+	')
+
+	allow $1 device_t:dir r_dir_perms;
+	allow $1 usb_device_t:chr_file { read write };
+')
+
 ########################################
 ## <summary>
 ##	Mount a usbfs filesystem.

refpolicy/policy/modules/kernel/devices.te

@@ -1,5 +1,5 @@
 
-policy_module(devices,1.0.1)
+policy_module(devices,1.0.2)
 
 ########################################
 #

refpolicy/policy/modules/kernel/mcs.fc

@@ -0,0 +1 @@
+# no MCS file contexts

refpolicy/policy/modules/kernel/mcs.if

@@ -0,0 +1,23 @@
+## <summary>Multicategory security policy</summary>
+## <required val="true">
+##	Contains attributes used in MCS policy.
+## </required>
+
+########################################
+## <summary>
+##	This domain is allowed to sigkill and sigstop 
+##	all domains regardless of their MCS level.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain target for user exemption.
+##	</summary>
+## </param>
+#
+interface(`mcs_killall',`
+	gen_require(`
+		attribute mcskillall;
+	')
+
+	typeattribute $1 mcskillall;
+')

refpolicy/policy/modules/kernel/mcs.te

@@ -0,0 +1,47 @@
+
+policy_module(mcs,1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+attribute mcskillall;
+
+########################################
+#
+# THIS IS A HACK
+#
+# Only the base module can have range_transitions, so we
+# temporarily have to break encapsulation to work around this.
+#
+
+type auditd_exec_t;
+type crond_exec_t;
+type cupsd_exec_t;
+type getty_t;
+type init_t;
+type init_exec_t;
+type initrc_t;
+type initrc_exec_t;
+type login_exec_t;
+type sshd_exec_t;
+type su_exec_t;
+type udev_exec_t;
+type unconfined_t;
+type xdm_exec_t;
+
+ifdef(`enable_mcs',`
+range_transition getty_t login_exec_t s0 - s0:c0.c255;
+range_transition init_t xdm_exec_t s0 - s0:c0.c255;
+range_transition initrc_t crond_exec_t s0 - s0:c0.c255;
+range_transition initrc_t cupsd_exec_t s0 - s0:c0.c255;
+range_transition initrc_t sshd_exec_t s0 - s0:c0.c255;
+range_transition initrc_t udev_exec_t s0 - s0:c0.c255;
+range_transition initrc_t xdm_exec_t s0 - s0:c0.c255;
+range_transition kernel_t udev_exec_t s0 - s0:c0.c255;
+
+# these might be targeted_policy only
+range_transition unconfined_t su_exec_t s0 - s0:c0.c255;
+range_transition unconfined_t initrc_exec_t s0;
+')

refpolicy/policy/modules/kernel/mls.te

@@ -1,5 +1,5 @@
 
-policy_module(mls,1.2.1)
+policy_module(mls,1.2.2)
 
 ########################################
 #
@@ -53,38 +53,10 @@ attribute mlsrangetrans;
 #
 # Only the base module can have range_transitions, so we
 # temporarily have to break encapsulation to work around this.
+# Other types are declared in the mcs module.
 #
 
-type auditd_exec_t;
-type crond_exec_t;
-type cupsd_exec_t;
-type getty_t;
-type init_t;
-type init_exec_t;
-type initrc_t;
-type initrc_exec_t;
-type login_exec_t;
 type lvm_exec_t;
-type sshd_exec_t;
-type su_exec_t;
-type udev_exec_t;
-type unconfined_t;
-type xdm_exec_t;
-
-ifdef(`enable_mcs',`
-range_transition getty_t login_exec_t s0 - s0:c0.c255;
-range_transition init_t xdm_exec_t s0 - s0:c0.c255;
-range_transition initrc_t crond_exec_t s0 - s0:c0.c255;
-range_transition initrc_t cupsd_exec_t s0 - s0:c0.c255;
-range_transition initrc_t sshd_exec_t s0 - s0:c0.c255;
-range_transition initrc_t udev_exec_t s0 - s0:c0.c255;
-range_transition initrc_t xdm_exec_t s0 - s0:c0.c255;
-range_transition kernel_t udev_exec_t s0 - s0:c0.c255;
-
-# these might be targeted_policy only
-range_transition unconfined_t su_exec_t s0 - s0:c0.c255;
-range_transition unconfined_t initrc_exec_t s0;
-')
 
 ifdef(`enable_mls',`
 range_transition initrc_t auditd_exec_t s15:c0.c255;

refpolicy/policy/modules/services/bluetooth.te

@@ -1,5 +1,5 @@
 
-policy_module(bluetooth,1.1.0)
+policy_module(bluetooth,1.1.1)
 
 ########################################
 #
@@ -101,6 +101,7 @@ corenet_udp_bind_all_nodes(bluetooth_t)
 
 dev_read_sysfs(bluetooth_t)
 dev_rw_usbfs(bluetooth_t)
+dev_rw_generic_usb_dev(bluetooth_t)
 dev_read_urand(bluetooth_t)
 
 fs_getattr_all_fs(bluetooth_t)

refpolicy/policy/modules/services/hal.te

@@ -1,5 +1,5 @@
 
-policy_module(hal,1.2.4)
+policy_module(hal,1.2.5)
 
 ########################################
 #
@@ -128,10 +128,13 @@ libs_exec_ld_so(hald_t)
 libs_exec_lib_files(hald_t)
 
 logging_send_syslog_msg(hald_t)
+logging_search_logs(hald_t)
 
 miscfiles_read_localization(hald_t)
 miscfiles_read_hwdata(hald_t)
 
+modutils_domtrans_insmod(hald_t)
+
 seutil_read_config(hald_t)
 seutil_read_default_contexts(hald_t)
 

refpolicy/policy/modules/services/mta.te

@@ -1,5 +1,5 @@
 
-policy_module(mta,1.2.1)
+policy_module(mta,1.2.2)
 
 ########################################
 #
@@ -44,6 +44,9 @@ role system_r types system_mail_t;
 # System mail local policy
 #
 
+# newalias required this, not sure if it is needed in 'if' file
+allow system_mail_t self:capability { dac_override };
+
 allow system_mail_t etc_mail_t:dir { getattr search };
 allow system_mail_t etc_mail_t:file r_file_perms;
 

refpolicy/policy/modules/services/networkmanager.te

@@ -1,5 +1,5 @@
 
-policy_module(networkmanager,1.2.2)
+policy_module(networkmanager,1.2.3)
 
 ########################################
 #
@@ -22,7 +22,7 @@ allow NetworkManager_t self:capability { kill setgid setuid sys_nice dac_overrid
 dontaudit NetworkManager_t self:capability sys_tty_config;
 allow NetworkManager_t self:process { setcap getsched signal_perms };
 allow NetworkManager_t self:fifo_file rw_file_perms;
-allow NetworkManager_t self:unix_dgram_socket create_socket_perms;
+allow NetworkManager_t self:unix_dgram_socket { sendto create_socket_perms };
 allow NetworkManager_t self:unix_stream_socket create_stream_socket_perms;
 allow NetworkManager_t self:netlink_route_socket create_netlink_socket_perms;
 allow NetworkManager_t self:tcp_socket create_stream_socket_perms;

refpolicy/policy/modules/services/postfix.te

@@ -1,5 +1,5 @@
 
-policy_module(postfix,1.1.1)
+policy_module(postfix,1.1.2)
 
 ########################################
 #
@@ -273,6 +273,8 @@ allow postfix_local_t postfix_spool_t:file rw_file_perms;
 corecmd_exec_shell(postfix_local_t)
 corecmd_exec_bin(postfix_local_t)
 
+files_read_etc_files(postfix_local_t)
+
 mta_read_aliases(postfix_local_t)
 mta_delete_spool(postfix_local_t)
 # For reading spamassasin
@@ -395,6 +397,8 @@ allow postfix_pipe_t self:fifo_file { read write };
 allow postfix_pipe_t postfix_private_t:dir search;
 allow postfix_pipe_t postfix_private_t:sock_file write;
 
+allow postfix_pipe_t postfix_public_t:fifo_file { getattr write };
+
 allow postfix_pipe_t postfix_spool_t:dir search;
 allow postfix_pipe_t postfix_spool_t:file rw_file_perms;
 

refpolicy/policy/modules/system/init.fc

@@ -22,7 +22,8 @@ ifdef(`targeted_policy', `', `
 #
 # /sbin
 #
-/sbin/init		--	gen_context(system_u:object_r:init_exec_t,s0)
+/sbin/init(ng)?		--	gen_context(system_u:object_r:init_exec_t,s0)
+
 
 ifdef(`distro_gentoo', `
 /sbin/rc			--	gen_context(system_u:object_r:initrc_exec_t,s0)

refpolicy/policy/modules/system/init.te

@@ -1,5 +1,5 @@
 
-policy_module(init,1.2.2)
+policy_module(init,1.2.3)
 
 gen_require(`
 	class passwd rootok;
@@ -155,6 +155,8 @@ libs_rw_ld_so_cache(init_t)
 logging_send_syslog_msg(init_t)
 logging_rw_generic_logs(init_t)
 
+mcs_killall(init_t)
+
 mls_file_read_up(init_t)
 mls_file_write_down(init_t)
 mls_rangetrans_target(init_t)
@@ -360,6 +362,8 @@ miscfiles_read_localization(initrc_t)
 # slapd needs to read cert files from its initscript
 miscfiles_read_certs(initrc_t)
 
+mcs_killall(initrc_t)
+
 mls_file_read_up(initrc_t)
 mls_file_write_down(initrc_t)
 mls_process_read_up(initrc_t)

refpolicy/policy/modules/system/libraries.if

@@ -281,7 +281,7 @@ interface(`libs_manage_lib_files',`
 		type lib_t;
 	')
 
-	allow $1 lib_t:dir search_dir_perms;
+	allow $1 lib_t:dir rw_dir_perms;
 	allow $1 lib_t:file manage_file_perms;
 ')
 
@@ -325,6 +325,26 @@ interface(`libs_relabel_lib_files',`
 	allow $1 lib_t:file { relabelfrom relabelto };
 ')
 
+########################################
+## <summary>
+##	Delete generic symlinks in library directories.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+# cjp: added for prelink
+interface(`libs_delete_lib_symlinks',`
+	gen_require(`
+		type lib_t;
+	')
+
+	allow $1 lib_t:dir { getattr search read write remove_name };
+	allow $1 lib_t:lnk_file unlink;
+')
+
 ########################################
 ## <summary>
 ##	Create, read, write, and delete shared libraries.

refpolicy/policy/modules/system/libraries.te

@@ -1,5 +1,5 @@
 
-policy_module(libraries,1.2.1)
+policy_module(libraries,1.2.2)
 
 ########################################
 #

refpolicy/policy/modules/system/selinuxutil.if

@@ -585,6 +585,28 @@ interface(`seutil_read_file_contexts',`
 	allow $1 file_context_t:lnk_file { getattr read };
 ')
 
+########################################
+## <summary>
+##	Read and write the file_contexts files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`seutil_rw_file_contexts',`
+	gen_require(`
+		type selinux_config_t, file_context_t;
+	')
+
+	files_search_etc($1)
+	allow $1 selinux_config_t:dir search;
+	allow $1 file_context_t:dir r_dir_perms;
+	allow $1 file_context_t:file rw_file_perms;
+	allow $1 file_context_t:lnk_file { getattr read };
+')
+
 ########################################
 #
 # seutil_read_bin_policy(domain)
@@ -683,4 +705,3 @@ interface(`seutil_manage_src_policy',`
 	allow $1 policy_src_t:dir create_dir_perms;
 	allow $1 policy_src_t:file create_file_perms;
 ')
-

refpolicy/policy/modules/system/selinuxutil.te

@@ -1,5 +1,5 @@
 
-policy_module(selinuxutil,1.1.4)
+policy_module(selinuxutil,1.1.5)
 
 gen_require(`
 	bool secure_mode;

refpolicy/policy/modules/system/unconfined.if

@@ -55,10 +55,11 @@ interface(`unconfined_domain_noaudit',`
 	tunable_policy(`allow_execmem && allow_execstack',`
 		# Allow making the stack executable via mprotect.
 		allow $1 self:process execstack;
+		auditallow $1 self:process execstack;
 	', `
 		# These are fairly common but seem to be harmless
 		# caused by using shared libraries built with old tool chains
-		dontaudit $1 self:process execstack;
+		#dontaudit $1 self:process execstack;
 	')
 
 

refpolicy/policy/modules/system/unconfined.te

@@ -1,5 +1,5 @@
 
-policy_module(unconfined,1.2.4)
+policy_module(unconfined,1.2.5)
 
 ########################################
 #

refpolicy/policy/modules/system/userdomain.te

@@ -1,5 +1,5 @@
 
-policy_module(userdomain,1.2.7)
+policy_module(userdomain,1.2.8)
 
 gen_require(`
 	role sysadm_r, staff_r, user_r;
@@ -165,9 +165,13 @@ ifdef(`targeted_policy',`
 	')
 
 	ifdef(`enable_mls',`
+		corecmd_exec_shell(secadm_t)
+		mls_process_read_up(secadm_t)
+		mls_file_write_down(secadm_t)
+		mls_file_upgrade(secadm_t)
+		mls_file_downgrade(secadm_t)
 		logging_read_audit_log(secadm_t)
 		logging_domtrans_auditctl(secadm_t)
-		mls_process_read_up(secadm_t)
 		userdom_dontaudit_append_staff_home_files(secadm_t)
 	', `
 		logging_domtrans_auditctl(sysadm_t)
@@ -354,6 +358,7 @@ ifdef(`targeted_policy',`
 			seutil_run_checkpolicy(secadm_t,secadm_r,admin_terminal)
 			seutil_run_loadpolicy(secadm_t,secadm_r,admin_terminal)
 			seutil_run_setfiles(secadm_t,secadm_r,admin_terminal)
+			seutil_run_restorecon(secadm_t,secadm_r,admin_terminal)
 		', `
 			selinux_set_enforce_mode(sysadm_t)
 			selinux_set_boolean(sysadm_t)