157 lines
4.5 KiB
Plaintext
157 lines
4.5 KiB
Plaintext
########################################
|
|
# kernel_t is the domain of kernel threads.
|
|
# It is also the target type when checking permissions in the system class.
|
|
#
|
|
type kernel_t, can_load_kernmodule;
|
|
role system_r types kernel_t;
|
|
|
|
domain_make_base_domain(kernel_t)
|
|
|
|
terminal_use_console(kernel_t)
|
|
domain_signal_all_domains(kernel_t)
|
|
|
|
# Use capabilities. need to investigate which capabilities are actually used
|
|
allow kernel_t self:capability *;
|
|
|
|
# Mount root file system. Used when loading a policy
|
|
# from initrd, then mounting the root filesystem
|
|
filesystem_mount_all_filesystems(kernel_t)
|
|
|
|
# Other possible mount points for the root fs are in sysfiles
|
|
allow kernel_t unlabeled_t:dir mounton;
|
|
|
|
# /proc/sys/kernel/modprobe is set to /bin/true if not using modules.
|
|
#can_exec(kernel_t, bin_t.sys)
|
|
|
|
# Kernel-generated traffic, e.g. ICMP replies.
|
|
corenetwork_send_raw_on_all_interfaces(kernel_t)
|
|
corenetwork_receive_raw_on_all_interfaces(kernel_t)
|
|
|
|
# Kernel-generated traffic, e.g. TCP resets.
|
|
corenetwork_send_tcp_on_all_interfaces(kernel_t)
|
|
corenetwork_receive_tcp_on_all_interfaces(kernel_t)
|
|
|
|
########################################
|
|
#
|
|
# unlabeled_t is the type of unlabeled objects.
|
|
# Objects that have no known labeling information or that
|
|
# have labels that are no longer valid are treated as having this type.
|
|
#
|
|
type unlabeled_t;
|
|
|
|
############################################
|
|
#
|
|
# security_t is the target type when checking
|
|
# the permissions in the security class. It is also
|
|
# applied to selinuxfs inodes.
|
|
#
|
|
type security_t;
|
|
genfscon selinuxfs / system_u:object_r:security_t
|
|
|
|
attribute can_load_policy;
|
|
attribute can_setenforce;
|
|
attribute can_setsecparam;
|
|
neverallow ~can_load_policy security_t:security load_policy;
|
|
neverallow ~can_setenforce security_t:security setenforce;
|
|
neverallow ~can_setsecparam security_t:security setsecparam;
|
|
|
|
# enabling dyntransition breaks process tranquility. If you dont
|
|
# know what this means or dont understand the implications of a
|
|
# dynamic transition, you shouldnt be using it!!!
|
|
neverallow * *:process { setcurrent dyntransition };
|
|
|
|
attribute can_load_kernmodule;
|
|
neverallow ~can_load_kernmodule *:capability sys_module;
|
|
|
|
########################################
|
|
#
|
|
# sysfs_t is the type for /sys
|
|
#
|
|
type sysfs_t;
|
|
filesystem_make_filesystem(sysfs_t)
|
|
genfscon sysfs / system_u:object_r:sysfs_t
|
|
|
|
########################################
|
|
#
|
|
# usbfs_t is the type for /proc/bus/usb
|
|
#
|
|
type usbfs_t alias usbdevfs_t;
|
|
filesystem_make_filesystem(usbfs_t)
|
|
genfscon usbfs / system_u:object_r:usbfs_t
|
|
genfscon usbdevfs / system_u:object_r:usbfs_t
|
|
|
|
############################################
|
|
#
|
|
# Procfs types
|
|
#
|
|
|
|
type proc_t;
|
|
genfscon proc / system_u:object_r:proc_t
|
|
genfscon proc /sysvipc system_u:object_r:proc_t
|
|
|
|
# kernel message interface
|
|
type proc_kmsg_t;
|
|
genfscon proc /kmsg system_u:object_r:proc_kmsg_t
|
|
attribute can_receive_kernel_messages;
|
|
neverallow ~can_receive_kernel_messages proc_kmsg_t:file ~getattr;
|
|
|
|
# /proc kcore: inaccessible
|
|
type proc_kcore_t;
|
|
neverallow * proc_kcore_t:file ~getattr;
|
|
genfscon proc /kcore system_u:object_r:proc_kcore_t
|
|
|
|
type proc_mdstat_t;
|
|
genfscon proc /mdstat system_u:object_r:proc_mdstat_t
|
|
|
|
type proc_net_t;
|
|
genfscon proc /net system_u:object_r:proc_net_t
|
|
|
|
############################################
|
|
#
|
|
# Sysctl types
|
|
#
|
|
|
|
# /proc/irq directory and files
|
|
type sysctl_irq_t;
|
|
genfscon proc /irq system_u:object_r:sysctl_irq_t
|
|
|
|
# /proc/net/rpc directory and files
|
|
type sysctl_rpc_t;
|
|
genfscon proc /net/rpc system_u:object_r:sysctl_rpc_t
|
|
|
|
# /proc/sys directory, base directory of sysctls
|
|
type sysctl_t;
|
|
genfscon proc /sys system_u:object_r:sysctl_t
|
|
|
|
# /proc/sys/fs directory and files
|
|
type sysctl_fs_t;
|
|
genfscon proc /sys/fs system_u:object_r:sysctl_fs_t
|
|
|
|
# /proc/sys/kernel directory and files
|
|
type sysctl_kernel_t;
|
|
genfscon proc /sys/kernel system_u:object_r:sysctl_kernel_t
|
|
|
|
# /proc/sys/kernel/modprobe file
|
|
type sysctl_modprobe_t;
|
|
genfscon proc /sys/kernel/modprobe system_u:object_r:sysctl_modprobe_t
|
|
|
|
# /proc/sys/kernel/hotplug file
|
|
type sysctl_hotplug_t;
|
|
genfscon proc /sys/kernel/hotplug system_u:object_r:sysctl_hotplug_t
|
|
|
|
# /proc/sys/net directory and files
|
|
type sysctl_net_t;
|
|
genfscon proc /sys/net system_u:object_r:sysctl_net_t
|
|
|
|
# /proc/sys/net/unix directory and files
|
|
type sysctl_net_unix_t;
|
|
genfscon proc /sys/net/unix system_u:object_r:sysctl_net_unix_t
|
|
|
|
# /proc/sys/vm directory and files
|
|
type sysctl_vm_t;
|
|
genfscon proc /sys/vm system_u:object_r:sysctl_vm_t
|
|
|
|
# /proc/sys/dev directory and files
|
|
type sysctl_dev_t;
|
|
genfscon proc /sys/dev system_u:object_r:sysctl_dev_t
|