159 lines
4.5 KiB
Plaintext
159 lines
4.5 KiB
Plaintext
# Copyright (C) 2005 Tresys Technology, LLC
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########################################
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# kernel_t is the domain of kernel threads.
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# It is also the target type when checking permissions in the system class.
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#
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type kernel_t, can_load_kernmodule;
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role system_r types kernel_t;
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domain_make_base_domain(kernel_t)
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terminal_use_console(kernel_t)
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domain_signal_all_domains(kernel_t)
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# Use capabilities. need to investigate which capabilities are actually used
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allow kernel_t self:capability *;
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# Mount root file system. Used when loading a policy
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# from initrd, then mounting the root filesystem
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filesystem_mount_all_filesystems(kernel_t)
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# Other possible mount points for the root fs are in sysfiles
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allow kernel_t unlabeled_t:dir mounton;
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# /proc/sys/kernel/modprobe is set to /bin/true if not using modules.
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#can_exec(kernel_t, bin_t.sys)
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# Kernel-generated traffic, e.g. ICMP replies.
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corenetwork_send_raw_on_all_interfaces(kernel_t)
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corenetwork_receive_raw_on_all_interfaces(kernel_t)
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# Kernel-generated traffic, e.g. TCP resets.
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corenetwork_send_tcp_on_all_interfaces(kernel_t)
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corenetwork_receive_tcp_on_all_interfaces(kernel_t)
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########################################
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#
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# unlabeled_t is the type of unlabeled objects.
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# Objects that have no known labeling information or that
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# have labels that are no longer valid are treated as having this type.
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#
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type unlabeled_t;
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############################################
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#
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# security_t is the target type when checking
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# the permissions in the security class. It is also
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# applied to selinuxfs inodes.
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#
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type security_t;
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genfscon selinuxfs / system_u:object_r:security_t
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attribute can_load_policy;
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attribute can_setenforce;
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attribute can_setsecparam;
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neverallow ~can_load_policy security_t:security load_policy;
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neverallow ~can_setenforce security_t:security setenforce;
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neverallow ~can_setsecparam security_t:security setsecparam;
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# enabling dyntransition breaks process tranquility. If you dont
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# know what this means or dont understand the implications of a
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# dynamic transition, you shouldnt be using it!!!
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neverallow * *:process { setcurrent dyntransition };
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attribute can_load_kernmodule;
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neverallow ~can_load_kernmodule *:capability sys_module;
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########################################
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#
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# sysfs_t is the type for /sys
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#
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type sysfs_t;
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filesystem_make_filesystem(sysfs_t)
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genfscon sysfs / system_u:object_r:sysfs_t
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########################################
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#
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# usbfs_t is the type for /proc/bus/usb
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#
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type usbfs_t alias usbdevfs_t;
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filesystem_make_filesystem(usbfs_t)
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genfscon usbfs / system_u:object_r:usbfs_t
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genfscon usbdevfs / system_u:object_r:usbfs_t
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############################################
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#
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# Procfs types
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#
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type proc_t;
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genfscon proc / system_u:object_r:proc_t
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genfscon proc /sysvipc system_u:object_r:proc_t
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# kernel message interface
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type proc_kmsg_t;
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genfscon proc /kmsg system_u:object_r:proc_kmsg_t
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attribute can_receive_kernel_messages;
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neverallow ~can_receive_kernel_messages proc_kmsg_t:file ~getattr;
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# /proc kcore: inaccessible
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type proc_kcore_t;
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neverallow * proc_kcore_t:file ~getattr;
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genfscon proc /kcore system_u:object_r:proc_kcore_t
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type proc_mdstat_t;
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genfscon proc /mdstat system_u:object_r:proc_mdstat_t
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type proc_net_t;
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genfscon proc /net system_u:object_r:proc_net_t
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############################################
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#
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# Sysctl types
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#
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# /proc/irq directory and files
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type sysctl_irq_t;
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genfscon proc /irq system_u:object_r:sysctl_irq_t
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# /proc/net/rpc directory and files
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type sysctl_rpc_t;
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genfscon proc /net/rpc system_u:object_r:sysctl_rpc_t
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# /proc/sys directory, base directory of sysctls
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type sysctl_t;
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genfscon proc /sys system_u:object_r:sysctl_t
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# /proc/sys/fs directory and files
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type sysctl_fs_t;
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genfscon proc /sys/fs system_u:object_r:sysctl_fs_t
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# /proc/sys/kernel directory and files
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type sysctl_kernel_t;
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genfscon proc /sys/kernel system_u:object_r:sysctl_kernel_t
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# /proc/sys/kernel/modprobe file
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type sysctl_modprobe_t;
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genfscon proc /sys/kernel/modprobe system_u:object_r:sysctl_modprobe_t
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# /proc/sys/kernel/hotplug file
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type sysctl_hotplug_t;
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genfscon proc /sys/kernel/hotplug system_u:object_r:sysctl_hotplug_t
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# /proc/sys/net directory and files
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type sysctl_net_t;
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genfscon proc /sys/net system_u:object_r:sysctl_net_t
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# /proc/sys/net/unix directory and files
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type sysctl_net_unix_t;
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genfscon proc /sys/net/unix system_u:object_r:sysctl_net_unix_t
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# /proc/sys/vm directory and files
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type sysctl_vm_t;
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genfscon proc /sys/vm system_u:object_r:sysctl_vm_t
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# /proc/sys/dev directory and files
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type sysctl_dev_t;
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genfscon proc /sys/dev system_u:object_r:sysctl_dev_t
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