-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Mainly add the attribute initscripts to allow labeling of initscripts. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAkh+DGMACgkQrlYvE4MpobPuZACgpOLtkKKcQiWOMySqShD1sMF/ lXEAn3OqzgEQa3I5+rkdkvsFJS027Mc6 =pLfR -----END PGP SIGNATURE-----
Subject: [PATCH] refpolicy: system_init changes
--text follows this line--
--- nsaserefpolicy/policy/modules/system/init.fc 2008-06-12 23:25:07.000000000 -0400
+++ serefpolicy-3.5.1/policy/modules/system/init.fc 2008-07-16 10:33:11.000000000 -0400
@@ -4,8 +4,7 @@
/etc/init\.d/.* -- gen_context(system_u:object_r:initrc_exec_t,s0)
/etc/rc\.d/rc -- gen_context(system_u:object_r:initrc_exec_t,s0)
-/etc/rc\.d/rc\.sysinit -- gen_context(system_u:object_r:initrc_exec_t,s0)
-/etc/rc\.d/rc\.local -- gen_context(system_u:object_r:initrc_exec_t,s0)
+/etc/rc\.d/rc\.[^/]+ -- gen_context(system_u:object_r:initrc_exec_t,s0)
/etc/rc\.d/init\.d/.* -- gen_context(system_u:object_r:initrc_exec_t,s0)
--- nsaserefpolicy/policy/modules/system/init.if 2008-07-16 10:26:25.000000000 -0400
+++ serefpolicy-3.5.1/policy/modules/system/init.if 2008-07-16 10:43:43.000000000 -0400
@@ -211,6 +211,19 @@
kernel_dontaudit_use_fds($1)
')
')
+
+ sysadm_dontaudit_search_home_dirs($1)
+
+ tunable_policy(`allow_daemons_use_tty',`
+ term_use_all_user_ttys($1)
+ term_use_all_user_ptys($1)
+ ', `
+ term_dontaudit_use_all_user_ttys($1)
+ term_dontaudit_use_all_user_ptys($1)
+ ')
+
+ # these apps are often redirect output to random log files
+ logging_rw_all_logs($1)
')
########################################
@@ -550,18 +563,19 @@
#
interface(`init_spec_domtrans_script',`
gen_require(`
- type initrc_t, initrc_exec_t;
+ type initrc_t;
+ attribute initscript;
')
files_list_etc($1)
- spec_domtrans_pattern($1,initrc_exec_t,initrc_t)
+ spec_domtrans_pattern($1,initscript,initrc_t)
ifdef(`enable_mcs',`
- range_transition $1 initrc_exec_t:process s0;
+ range_transition $1 initscript:process s0;
')
ifdef(`enable_mls',`
- range_transition $1 initrc_exec_t:process s0 - mls_systemhigh;
+ range_transition $1 initscript:process s0 - mls_systemhigh;
')
')
@@ -577,19 +591,66 @@
#
interface(`init_domtrans_script',`
gen_require(`
- type initrc_t, initrc_exec_t;
+ type initrc_t;
+ attribute initscript;
+ ')
+
+ files_list_etc($1)
+ domtrans_pattern($1,initscript,initrc_t)
+
+ ifdef(`enable_mcs',`
+ range_transition $1 initscript:process s0;
+ ')
+
+ ifdef(`enable_mls',`
+ range_transition $1 initscript:process s0 - mls_systemhigh;
+ ')
+')
+
+########################################
+## <summary>
+## Execute init a specific script with an automatic domain transition.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`init_script_domtrans_spec',`
+ gen_require(`
+ type initrc_t;
')
files_list_etc($1)
- domtrans_pattern($1,initrc_exec_t,initrc_t)
+ domtrans_pattern($1,$2,initrc_t)
ifdef(`enable_mcs',`
- range_transition $1 initrc_exec_t:process s0;
+ range_transition $1 $2:process s0;
')
ifdef(`enable_mls',`
- range_transition $1 initrc_exec_t:process s0 - mls_systemhigh;
+ range_transition $1 $2:process s0 - mls_systemhigh;
+ ')
+')
+
+########################################
+## <summary>
+## Execute a file in a bin directory
+## in the initrc_t domain
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`init_bin_domtrans_spec',`
+ gen_require(`
+ type initrc_t;
')
+
+ corecmd_bin_domtrans($1, initrc_t)
')
########################################
@@ -619,11 +680,11 @@
# cjp: added for gentoo integrated run_init
interface(`init_script_file_domtrans',`
gen_require(`
- type initrc_exec_t;
+ attribute initscript;
')
files_list_etc($1)
- domain_auto_trans($1,initrc_exec_t,$2)
+ domain_auto_trans($1,initscript,$2)
')
########################################
@@ -694,11 +755,11 @@
#
interface(`init_getattr_script_files',`
gen_require(`
- type initrc_exec_t;
+ attribute initscript;
')
files_list_etc($1)
- allow $1 initrc_exec_t:file getattr;
+ allow $1 initscript:file getattr;
')
########################################
@@ -713,11 +774,11 @@
#
interface(`init_exec_script_files',`
gen_require(`
- type initrc_exec_t;
+ attribute initscript;
')
files_list_etc($1)
- can_exec($1,initrc_exec_t)
+ can_exec($1,initscript)
')
########################################
@@ -941,6 +1002,7 @@
dontaudit $1 initrc_t:unix_stream_socket connectto;
')
+
########################################
## <summary>
## Send messages to init scripts over dbus.
@@ -1040,11 +1102,11 @@
#
interface(`init_read_script_files',`
gen_require(`
- type initrc_exec_t;
+ attribute initscript;
')
files_search_etc($1)
- allow $1 initrc_exec_t:file read_file_perms;
+ allow $1 initscript:file read_file_perms;
')
########################################
@@ -1107,6 +1169,25 @@
########################################
## <summary>
+## Read init script temporary data.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`init_read_script_tmp_files',`
+ gen_require(`
+ type initrc_tmp_t;
+ ')
+
+ files_search_tmp($1)
+ read_files_pattern($1,initrc_tmp_t,initrc_tmp_t)
+')
+
+########################################
+## <summary>
## Create files in a init script
## temporary data directory.
## </summary>
@@ -1262,7 +1343,7 @@
type initrc_var_run_t;
')
- dontaudit $1 initrc_var_run_t:file { getattr read write append };
+ dontaudit $1 initrc_var_run_t:file rw_file_perms;
')
########################################
@@ -1283,3 +1364,113 @@
files_search_pids($1)
allow $1 initrc_var_run_t:file manage_file_perms;
')
+
+########################################
+## <summary>
+## Read the process state (/proc/pid) of init.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`init_read_init_state',`
+ gen_require(`
+ attribute init_t;
+ ')
+
+ allow $1 init_t:dir search_dir_perms;
+ allow $1 init_t:file read_file_perms;
+ allow $1 init_t:lnk_file read_file_perms;
+')
+
+########################################
+## <summary>
+## Ptrace init
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+## <rolecap/>
+#
+interface(`init_ptrace_init_domain',`
+ gen_require(`
+ attribute init_t;
+ ')
+
+ allow $1 init_t:process ptrace;
+')
+
+########################################
+## <summary>
+## Make the specified type usable for initscripts
+## in a filesystem.
+## </summary>
+## <param name="type">
+## <summary>
+## Type to be used for files.
+## </summary>
+## </param>
+#
+interface(`init_script_type',`
+ gen_require(`
+ type initrc_t;
+ attribute initscript;
+ ')
+
+ typeattribute $1 initscript;
+ domain_entry_file(initrc_t,$1)
+
+')
+
+########################################
+## <summary>
+## Transition to system_r when execute an init script
+## </summary>
+## <desc>
+## <p>
+## Execute a init script in a specified role
+## </p>
+## <p>
+## No interprocess communication (signals, pipes,
+## etc.) is provided by this interface since
+## the domains are not owned by this module.
+## </p>
+## </desc>
+## <param name="source_role">
+## <summary>
+## Role to transition from.
+## </summary>
+## </param>
+# cjp: added for gentoo integrated run_init
+interface(`init_script_role_transition',`
+ gen_require(`
+ attribute initscript;
+ ')
+
+ role_transition $1 initscript system_r;
+')
+
+########################################
+## <summary>
+## Send and receive unix_stream_messages with
+## init
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`init_chat',`
+ gen_require(`
+ type init_t;
+ ')
+
+ allow $1 init_t:unix_dgram_socket sendto;
+ allow init_t $1:unix_dgram_socket sendto;
+')
+
--- nsaserefpolicy/policy/modules/system/init.te 2008-07-16 10:33:56.000000000 -0400
+++ serefpolicy-3.5.1/policy/modules/system/init.te 2008-07-16 10:50:21.000000000 -0400
@@ -17,6 +17,20 @@
## </desc>
gen_tunable(init_upstart,false)
+## <desc>
+## <p>
+## Allow all daemons the ability to read/write terminals
+## </p>
+## </desc>
+gen_tunable(allow_daemons_use_tty,false)
+
+## <desc>
+## <p>
+## Allow all daemons to write corefiles to /
+## </p>
+## </desc>
+gen_tunable(allow_daemons_dump_core,false)
+
# used for direct running of init scripts
# by admin domains
attribute direct_run_init;
@@ -26,6 +40,8 @@
# Mark process types as daemons
attribute daemon;
+attribute initscript;
+
#
# init_t is the domain of the init process.
#
@@ -52,7 +68,7 @@
mls_trusted_object(initctl_t)
type initrc_t;
-type initrc_exec_t;
+type initrc_exec_t, initscript;
domain_type(initrc_t)
domain_entry_file(initrc_t,initrc_exec_t)
role system_r types initrc_t;
@@ -84,7 +100,7 @@
#
# Use capabilities. old rule:
-allow init_t self:capability ~sys_module;
+allow init_t self:capability ~{ audit_control audit_write sys_module };
# is ~sys_module really needed? observed:
# sys_boot
# sys_tty_config
@@ -97,7 +113,7 @@
# Re-exec itself
can_exec(init_t,init_exec_t)
-allow init_t initrc_t:unix_stream_socket connectto;
+allow init_t initrc_t:unix_stream_socket { connectto rw_stream_socket_perms };
# For /var/run/shutdown.pid.
allow init_t init_var_run_t:file manage_file_perms;
@@ -113,6 +129,8 @@
kernel_read_system_state(init_t)
kernel_share_state(init_t)
+fs_list_inotifyfs(init_t)
+
corecmd_exec_chroot(init_t)
corecmd_exec_bin(init_t)
@@ -165,6 +183,8 @@
miscfiles_read_localization(init_t)
+allow init_t self:process setsched;
+
ifdef(`distro_gentoo',`
allow init_t self:process { getcap setcap };
')
@@ -187,6 +207,14 @@
')
optional_policy(`
+ # /var/run/dovecot/login/ssl-parameters.dat is a hard link to
+ # /var/lib/dovecot/ssl-parameters.dat and init tries to clean up
+ # the directory. But we do not want to allow this.
+ # The master process of dovecot will manage this file.
+ dovecot_dontaudit_unlink_lib_files(initrc_t)
+')
+
+optional_policy(`
nscd_socket_use(init_t)
')
@@ -200,7 +228,7 @@
#
allow initrc_t self:process { getpgid setsched setpgid setrlimit getsched };
-allow initrc_t self:capability ~{ sys_admin sys_module };
+allow initrc_t self:capability ~{ audit_control audit_write sys_admin sys_module };
dontaudit initrc_t self:capability sys_module; # sysctl is triggering this
allow initrc_t self:passwd rootok;
@@ -214,10 +242,10 @@
allow initrc_t initrc_devpts_t:chr_file rw_term_perms;
term_create_pty(initrc_t,initrc_devpts_t)
-# Going to single user mode
-init_exec(initrc_t)
+init_telinit(initrc_t)
+init_chat(initrc_t)
-can_exec(initrc_t,initrc_exec_t)
+can_exec(initrc_t,initscript)
manage_dirs_pattern(initrc_t,initrc_state_t,initrc_state_t)
manage_files_pattern(initrc_t,initrc_state_t,initrc_state_t)
@@ -270,7 +298,7 @@
dev_read_sound_mixer(initrc_t)
dev_write_sound_mixer(initrc_t)
dev_setattr_all_chr_files(initrc_t)
-dev_read_lvm_control(initrc_t)
+dev_rw_lvm_control(initrc_t)
dev_delete_lvm_control_dev(initrc_t)
dev_manage_generic_symlinks(initrc_t)
dev_manage_generic_files(initrc_t)
@@ -515,6 +542,31 @@
')
')
+domain_dontaudit_use_interactive_fds(daemon)
+
+sysadm_dontaudit_search_home_dirs(daemon)
+
+tunable_policy(`allow_daemons_use_tty',`
+ term_use_unallocated_ttys(daemon)
+ term_use_generic_ptys(daemon)
+ term_use_all_user_ttys(daemon)
+ term_use_all_user_ptys(daemon)
+', `
+ term_dontaudit_use_unallocated_ttys(daemon)
+ term_dontaudit_use_generic_ptys(daemon)
+ term_dontaudit_use_all_user_ttys(daemon)
+ term_dontaudit_use_all_user_ptys(daemon)
+ ')
+
+# system-config-services causes avc messages that should be dontaudited
+tunable_policy(`allow_daemons_dump_core',`
+ files_dump_core(daemon)
+')
+
+optional_policy(`
+ unconfined_dontaudit_rw_pipes(daemon)
+')
+
optional_policy(`
amavis_search_lib(initrc_t)
amavis_setattr_pid_files(initrc_t)
@@ -573,6 +625,10 @@
dbus_read_config(initrc_t)
optional_policy(`
+ consolekit_dbus_chat(initrc_t)
+ ')
+
+ optional_policy(`
networkmanager_dbus_chat(initrc_t)
')
')
@@ -658,12 +714,6 @@
mta_read_config(initrc_t)
mta_dontaudit_read_spool_symlinks(initrc_t)
')
-# cjp: require doesnt work in the else of optionals :\
-# this also would result in a type transition
-# conflict if sendmail is enabled
-#optional_policy(`',`
-# mta_send_mail(initrc_t)
-#')
optional_policy(`
ifdef(`distro_redhat',`
@@ -724,6 +774,9 @@
# why is this needed:
rpm_manage_db(initrc_t)
+ # Allow SELinux aware applications to request rpm_script_t execution
+ rpm_transition_script(initrc_t)
+
')
optional_policy(`
@@ -736,9 +789,11 @@
squid_manage_logs(initrc_t)
')
-optional_policy(`
- # allow init scripts to su
- su_restricted_domain_template(initrc,initrc_t,system_r)
+ifndef(`targeted_policy',`
+ optional_policy(`
+ # allow init scripts to su
+ su_restricted_domain_template(initrc,initrc_t,system_r)
+ ')
')
optional_policy(`
@@ -757,6 +812,11 @@
uml_setattr_util_sockets(initrc_t)
')
+# Cron jobs used to start and stop services
+optional_policy(`
+ cron_rw_pipes(daemon)
+')
+
optional_policy(`
unconfined_domain(initrc_t)
@@ -771,6 +831,10 @@
')
optional_policy(`
+ rpm_dontaudit_rw_pipes(daemon)
+')
+
+optional_policy(`
vmware_read_system_config(initrc_t)
vmware_append_system_config(initrc_t)
')
@@ -793,3 +857,8 @@
optional_policy(`
zebra_read_config(initrc_t)
')
+
+unprivuser_append_home_content_files(daemon)
+unprivuser_write_tmp_files(daemon)
+logging_append_all_logs(daemon)
+
Attachment:
system_init.patch.sig
Description: Binary data
