On 2/2/21 10:31 PM, Russell Coker wrote:
Lots of littls changes related to systemd.
Signed-off-by: Russell Coker <russell@xxxxxxxxxxxx>
@@ -296,6 +298,24 @@ interface(`systemd_write_logind_runtime_
######################################
## <summary>
+## Watch systemd-logind runtime dirs
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`systemd_watch_logind_runtime_dir',`
systemd_watch_logind_runtime_dirs (plural)
+ gen_require(`
+ type systemd_logind_runtime_t;
+ ')
+
+ allow $1 systemd_logind_runtime_t:dir watch;
+')
+
+######################################
+## <summary>
## Use inherited systemd
## logind file descriptors.
## </summary>
@@ -356,6 +376,24 @@ interface(`systemd_write_inherited_login
######################################
## <summary>
+## Watch logind sessions dirs.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`systemd_watch_logind_sessions_dir',`
systemd_watch_logind_sessions_dirs (plural)
+ gen_require(`
+ type systemd_sessions_runtime_t;
+ ')
+
+ allow $1 systemd_sessions_runtime_t:dir watch;
+')
+
+######################################
+## <summary>
## Write inherited logind inhibit pipes.
## </summary>
## <param name="domain">
@@ -528,6 +566,24 @@ interface(`systemd_connect_machined',`
########################################
## <summary>
+## Allow watching /run/systemd/machines
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain that can watch the machines files
+## </summary>
+## </param>
+#
+interface(`systemd_watch_machines_dir',`
systemd_watch_machines_dirs (plural)
+ gen_require(`
+ type systemd_machined_runtime_t;
+ ')
+
+ allow $1 systemd_machined_runtime_t:dir watch;
+')
+
+########################################
+## <summary>
## Send and receive messages from
## systemd hostnamed over dbus.
## </summary>
@@ -585,7 +641,7 @@ interface(`systemd_run_passwd_agent',`
type systemd_passwd_agent_t, systemd_passwd_agent_exec_t;
')
- domtrans_pattern($1, systemd_passwd_agent_exec_t, systemd_passwd_agent_t)
+ domain_auto_transition_pattern($1, systemd_passwd_agent_exec_t, systemd_passwd_agent_t)
domtrans_pattern() is the standard pattern. This change has no effect.
Index: refpolicy-2.20210203/policy/modules/system/systemd.te
===================================================================
--- refpolicy-2.20210203.orig/policy/modules/system/systemd.te
+++ refpolicy-2.20210203/policy/modules/system/systemd.te
@@ -129,6 +129,7 @@ type systemd_logind_t;
type systemd_logind_exec_t;
init_daemon_domain(systemd_logind_t, systemd_logind_exec_t)
init_named_socket_activation(systemd_logind_t, systemd_logind_runtime_t)
+init_stream_connect(systemd_logind_t)
type systemd_logind_inhibit_runtime_t alias systemd_logind_inhibit_var_run_t;
files_runtime_file(systemd_logind_inhibit_runtime_t)
@@ -295,6 +296,8 @@ allow systemd_backlight_t systemd_backli
init_var_lib_filetrans(systemd_backlight_t, systemd_backlight_var_lib_t, dir)
manage_files_pattern(systemd_backlight_t, systemd_backlight_var_lib_t, systemd_backlight_var_lib_t)
+kernel_read_kernel_sysctls(systemd_backlight_t)
+
systemd_log_parse_environment(systemd_backlight_t)
# Allow systemd-backlight to write to /sys/class/backlight/*/brightness
@@ -358,13 +361,15 @@ ifdef(`enable_mls',`
#
allow systemd_coredump_t self:unix_dgram_socket { create write connect getopt setopt };
-allow systemd_coredump_t self:capability { dac_override dac_read_search setgid setuid setpcap sys_ptrace };
+allow systemd_coredump_t self:unix_stream_socket connectto;
+allow systemd_coredump_t self:capability { dac_override dac_read_search setgid setuid setpcap net_admin sys_ptrace };
net_admin? That doesn't seem necessary for core dumping.
[...]
@@ -393,6 +403,32 @@ logging_send_syslog_msg(systemd_coredump
seutil_search_default_contexts(systemd_coredump_t)
+allow systemd_generator_t self:fifo_file rw_file_perms;
+allow systemd_generator_t self:process setfscreate;
+
+allow systemd_generator_t self:capability dac_override;
+allow systemd_generator_t self:tcp_socket create;
+allow systemd_generator_t self:netlink_route_socket { create read bind getattr write nlmsg_read };
+
+corecmd_exec_bin(systemd_generator_t)
+corecmd_exec_shell(systemd_generator_t)
+files_exec_etc_files(systemd_generator_t)
+fs_getattr_cgroup(systemd_generator_t)
+fs_getattr_tmpfs(systemd_generator_t)
+fs_rw_tmpfs_files(systemd_generator_t)
+miscfiles_read_localization(systemd_generator_t)
+
+optional_policy(`
+ # for /lib/systemd/system-generators/openvpn-generator
+ openvpn_read_config(systemd_generator_t)
+')
+
+optional_policy(`
+ # it runs postconf
+ # maybe /lib/systemd/system-generators/postfix-instance-generator
+ postfix_read_config(systemd_generator_t)
+')
The systemd_generator_t rules need to move to proper places.
@@ -583,6 +642,8 @@ allow systemd_logind_t systemd_sessions_
kernel_read_kernel_sysctls(systemd_logind_t)
+auth_read_shadow(systemd_logind_t)
If this is necessary, it seems Debian specific.
[...]
@@ -925,14 +1001,26 @@ allow systemd_nspawn_t systemd_nspawn_tm
# for /run/systemd/nspawn/incoming in chroot
allow systemd_nspawn_t systemd_nspawn_runtime_t:dir mounton;
+kernel_getattr_core_if(systemd_nspawn_t)
+kernel_getattr_proc(systemd_nspawn_t)
+kernel_getattr_unlabeled_dirs(systemd_nspawn_t)
+
kernel_mount_proc(systemd_nspawn_t)
kernel_mounton_sysctl_dirs(systemd_nspawn_t)
kernel_mounton_kernel_sysctl_files(systemd_nspawn_t)
kernel_mounton_message_if(systemd_nspawn_t)
kernel_mounton_proc(systemd_nspawn_t)
+kernel_mounton_sysctl_files(systemd_nspawn_t)
+kernel_mounton_unlabeled_dirs(systemd_nspawn_t)
With all of the mounting, perhaps we should consider coalescing on allowing it
to mount an all init_mountpoint_types.
[..]
@@ -972,6 +1067,7 @@ term_mount_devpts(systemd_nspawn_t)
term_search_ptys(systemd_nspawn_t)
term_setattr_generic_ptys(systemd_nspawn_t)
term_use_ptmx(systemd_nspawn_t)
+term_use_generic_ptys(systemd_nspawn_t)
Perhaps this should have a pty type?
@@ -1519,11 +1627,15 @@ seutil_libselinux_linked(systemd_user_se
# systemd-user-runtime-dir local policy
#
-allow systemd_user_runtime_dir_t self:capability { fowner chown sys_admin dac_read_search dac_override };
+allow systemd_user_runtime_dir_t self:capability { chown dac_override dac_read_search dac_override fowner sys_admin mknod };
sys_admin and mknod? What is sys_admin used for; also, I don't see any rules
for creating devices.
allow systemd_user_runtime_dir_t self:process setfscreate;
domain_obj_id_change_exemption(systemd_user_runtime_dir_t)
+allow systemd_user_runtime_dir_t systemd_user_runtime_t:dir manage_dir_perms;
+allow systemd_user_runtime_dir_t systemd_user_runtime_t:sock_file unlink;
+allow systemd_user_runtime_dir_t systemd_user_runtime_notify_t:sock_file unlink;
+
files_read_etc_files(systemd_user_runtime_dir_t)
fs_mount_tmpfs(systemd_user_runtime_dir_t)
@@ -1543,7 +1655,10 @@ seutil_read_file_contexts(systemd_user_r
seutil_libselinux_linked(systemd_user_runtime_dir_t)
userdom_delete_user_tmp_dirs(systemd_user_runtime_dir_t)
+userdom_delete_user_tmp_files(systemd_user_runtime_dir_t)
userdom_delete_user_tmp_named_pipes(systemd_user_runtime_dir_t)
+userdom_delete_user_tmp_named_sockets(systemd_user_runtime_dir_t)
+userdom_list_user_tmp(systemd_user_runtime_dir_t)
userdom_search_user_runtime_root(systemd_user_runtime_dir_t)
userdom_user_runtime_root_filetrans_user_runtime(systemd_user_runtime_dir_t, dir)
userdom_manage_user_runtime_dirs(systemd_user_runtime_dir_t)
Index: refpolicy-2.20210203/policy/modules/admin/dpkg.if
===================================================================
--- refpolicy-2.20210203.orig/policy/modules/admin/dpkg.if
+++ refpolicy-2.20210203/policy/modules/admin/dpkg.if
@@ -356,3 +356,40 @@ interface(`dpkg_read_script_tmp_symlinks
allow $1 dpkg_script_tmp_t:lnk_file read_lnk_file_perms;
')
+
+########################################
+## <summary>
+## send dbus messages to dpkg_t
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`dpkg_dbus_chat',`
+ gen_require(`
+ type dpkg_t;
+ ')
+
+ allow $1 dpkg_t:dbus send_msg;
+')
I'd prefer that the dbus chat interfaces are provided by the server process' domain.
--
Chris PeBenito
