##
## Policy for kernel threads, proc filesystem,
## and unlabeled processes and objects.
##
##
## This module has initial SIDs.
##
########################################
##
## Allows to start userland processes
## by transitioning to the specified domain.
##
##
##
## The process type entered by kernel.
##
##
##
##
## The executable type for the entrypoint.
##
##
#
interface(`kernel_domtrans_to',`
gen_require(`
type kernel_t;
')
domain_auto_trans(kernel_t, $2, $1)
allow kernel_t $1:fd use;
allow $1 kernel_t:fd use;
allow $1 kernel_t:fifo_file rw_file_perms;
allow $1 kernel_t:process sigchld;
')
########################################
##
## Allows to start userland processes
## by transitioning to the specified domain,
## with a range transition.
##
##
##
## The process type entered by kernel.
##
##
##
##
## The executable type for the entrypoint.
##
##
##
##
## Range for the domain.
##
##
#
interface(`kernel_ranged_domtrans_to',`
gen_require(`
type kernel_t;
')
kernel_domtrans_to($1,$2)
ifdef(`enable_mcs',`
range_transition kernel_t $2:process $3;
')
ifdef(`enable_mls',`
range_transition kernel_t $2:process $3;
')
')
########################################
##
## Allows the kernel to mount filesystems on
## the specified directory type.
##
##
##
## The type of the directory to use as a mountpoint.
##
##
#
interface(`kernel_rootfs_mountpoint',`
gen_require(`
type kernel_t;
')
allow kernel_t $1:dir mounton;
')
########################################
##
## Set the process group of kernel threads.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_setpgid',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:process setpgid;
')
########################################
##
## Send a SIGCHLD signal to kernel threads.
##
##
##
## The type of the process sending the signal.
##
##
#
interface(`kernel_sigchld',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:process sigchld;
')
########################################
##
## Send a generic signal to kernel threads.
##
##
##
## The type of the process sending the signal.
##
##
#
interface(`kernel_signal',`
gen_require(`
type kernel_t;
')
allow kernel_t $1:process signal;
')
########################################
##
## Allows the kernel to share state information with
## the caller.
##
##
##
## The type of the process with which to share state information.
##
##
#
interface(`kernel_share_state',`
gen_require(`
type kernel_t;
')
allow kernel_t $1:process share;
')
########################################
##
## Permits caller to use kernel file descriptors.
##
##
##
## The type of the process using the descriptors.
##
##
#
interface(`kernel_use_fds',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:fd use;
')
########################################
##
## Do not audit attempts to use
## kernel file descriptors.
##
##
##
## The type of process not to audit.
##
##
#
interface(`kernel_dontaudit_use_fds',`
gen_require(`
type kernel_t;
')
dontaudit $1 kernel_t:fd use;
')
########################################
##
## Read and write kernel unnamed pipes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_rw_pipes',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:fifo_file { read write };
')
########################################
##
## Read and write kernel unix datagram sockets.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_rw_unix_dgram_sockets',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:unix_dgram_socket { read write ioctl };
')
########################################
##
## Send messages to kernel unix datagram sockets.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_dgram_send',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:unix_dgram_socket sendto;
')
########################################
##
## Receive messages from kernel TCP sockets. (Deprecated)
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_tcp_recvfrom',`
refpolicywarn(`$0($*) has been deprecated.')
')
########################################
##
## Send UDP network traffic to the kernel. (Deprecated)
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_udp_send',`
refpolicywarn(`$0($*) has been deprecated.')
')
########################################
##
## Receive messages from kernel UDP sockets. (Deprecated)
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_udp_recvfrom',`
refpolicywarn(`$0($*) has been deprecated.')
')
########################################
##
## Allows caller to load kernel modules
##
##
##
## The process type to allow to load kernel modules.
##
##
#
interface(`kernel_load_module',`
gen_require(`
attribute can_load_kernmodule;
')
allow $1 self:capability sys_module;
typeattribute $1 can_load_kernmodule;
')
########################################
##
## Allow search the kernel key ring.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_search_key',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:key search;
')
########################################
##
## Allow link to the kernel key ring.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_link_key',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:key link;
')
########################################
##
## Allows caller to read the ring buffer.
##
##
##
## The process type allowed to read the ring buffer.
##
##
##
#
interface(`kernel_read_ring_buffer',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:system syslog_read;
')
########################################
##
## Do not audit attempts to read the ring buffer.
##
##
##
## The domain to not audit.
##
##
#
interface(`kernel_dontaudit_read_ring_buffer',`
gen_require(`
type kernel_t;
')
dontaudit $1 kernel_t:system syslog_read;
')
########################################
##
## Change the level of kernel messages logged to the console.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_change_ring_buffer_level',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:system syslog_console;
')
########################################
##
## Allows the caller to clear the ring buffer.
##
##
##
## The process type clearing the buffer.
##
##
##
#
interface(`kernel_clear_ring_buffer',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:system syslog_mod;
')
########################################
##
## Get information on all System V IPC objects.
##
##
##
##
##
##
#
interface(`kernel_get_sysvipc_info',`
gen_require(`
type kernel_t;
')
allow $1 kernel_t:system ipc_info;
')
########################################
##
## Get the attributes of a kernel debugging filesystem.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_getattr_debugfs',`
gen_require(`
type debugfs_t;
')
allow $1 debugfs_t:filesystem getattr;
')
########################################
##
## Mount a kernel debugging filesystem.
##
##
##
## The type of the domain mounting the filesystem.
##
##
#
interface(`kernel_mount_debugfs',`
gen_require(`
type debugfs_t;
')
allow $1 debugfs_t:filesystem mount;
')
########################################
##
## Unmount a kernel debugging filesystem.
##
##
##
## The type of the domain unmounting the filesystem.
##
##
#
interface(`kernel_unmount_debugfs',`
gen_require(`
type debugfs_t;
')
allow $1 debugfs_t:filesystem unmount;
')
########################################
##
## Remount a kernel debugging filesystem.
##
##
##
## The type of the domain remounting the filesystem.
##
##
#
interface(`kernel_remount_debugfs',`
gen_require(`
type debugfs_t;
')
allow $1 debugfs_t:filesystem remount;
')
########################################
##
## Search the contents of a kernel debugging filesystem.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_search_debugfs',`
gen_require(`
type debugfs_t;
')
allow $1 debugfs_t:dir search;
')
########################################
##
## Read information from the debugging filesystem.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_read_debugfs',`
gen_require(`
type debugfs_t;
')
allow $1 debugfs_t:dir r_dir_perms;
allow $1 debugfs_t:file r_file_perms;
allow $1 debugfs_t:lnk_file { getattr read };
')
########################################
##
## Unmount the proc filesystem.
##
##
##
## The type of the domain unmounting the filesystem.
##
##
#
interface(`kernel_unmount_proc',`
gen_require(`
type proc_t;
')
allow $1 proc_t:filesystem unmount;
')
########################################
##
## Get the attributes of the proc filesystem.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_getattr_proc',`
gen_require(`
type proc_t;
')
allow $1 proc_t:filesystem getattr;
')
########################################
##
## Search directories in /proc.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_search_proc',`
gen_require(`
type proc_t;
')
allow $1 proc_t:dir search;
')
########################################
##
## List the contents of directories in /proc.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_list_proc',`
gen_require(`
type proc_t;
')
allow $1 proc_t:dir r_dir_perms;
')
########################################
##
## Do not audit attempts to list the
## contents of directories in /proc.
##
##
##
## Domain to not audit.
##
##
#
interface(`kernel_dontaudit_list_proc',`
gen_require(`
type proc_t;
')
dontaudit $1 proc_t:dir list_dir_perms;
')
########################################
##
## Get the attributes of files in /proc.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_getattr_proc_files',`
gen_require(`
type proc_t;
')
allow $1 proc_t:dir search;
allow $1 proc_t:file getattr;
')
########################################
##
## Read symbolic links in /proc.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_read_proc_symlinks',`
gen_require(`
type proc_t;
')
allow $1 proc_t:dir search;
allow $1 proc_t:lnk_file { getattr read };
')
########################################
##
## Allows caller to read system state information in proc.
##
##
##
## The process type reading the system state information.
##
##
##
#
interface(`kernel_read_system_state',`
gen_require(`
type proc_t;
')
allow $1 proc_t:dir r_dir_perms;
allow $1 proc_t:lnk_file { getattr read };
allow $1 proc_t:file r_file_perms;
')
########################################
##
## Write to generic proc entries.
##
##
##
## Domain allowed access.
##
##
##
#
# cjp: this should probably go away. any
# file thats writable in proc should really
# have its own label.
#
interface(`kernel_write_proc_files',`
gen_require(`
type proc_t;
')
allow $1 proc_t:dir search;
allow $1 proc_t:file { append write };
')
########################################
##
## Do not audit attempts by caller to
## read system state information in proc.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_read_system_state',`
gen_require(`
type proc_t;
')
dontaudit $1 proc_t:file { getattr read };
')
########################################
##
## Do not audit attempts by caller to
## read system state information in proc.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_read_proc_symlinks',`
gen_require(`
type proc_t;
')
dontaudit $1 proc_t:lnk_file read;
')
#######################################
##
## Allow caller to read the state information for software raid.
##
##
##
## The process type reading software raid state.
##
##
##
#
interface(`kernel_read_software_raid_state',`
gen_require(`
type proc_t, proc_mdstat_t;
')
allow $1 proc_t:dir r_dir_perms;
allow $1 proc_mdstat_t:file r_file_perms;
')
#######################################
##
## Allow caller to read and set the state information for software raid.
##
##
##
## The process type reading software raid state.
##
##
#
interface(`kernel_rw_software_raid_state',`
gen_require(`
type proc_t, proc_mdstat_t;
')
allow $1 proc_t:dir r_dir_perms;
allow $1 proc_mdstat_t:file rw_file_perms;
')
########################################
##
## Allows caller to get attribues of core kernel interface.
##
##
##
## The process type getting the attibutes.
##
##
#
interface(`kernel_getattr_core_if',`
gen_require(`
type proc_t, proc_kcore_t;
')
allow $1 proc_t:dir r_dir_perms;
allow $1 proc_kcore_t:file getattr;
')
########################################
##
## Do not audit attempts to get the attributes of
## core kernel interfaces.
##
##
##
## The process type to not audit.
##
##
#
interface(`kernel_dontaudit_getattr_core_if',`
gen_require(`
type proc_kcore_t;
')
dontaudit $1 proc_kcore_t:file getattr;
')
########################################
##
## Allow caller to read kernel messages
## using the /proc/kmsg interface.
##
##
##
## The process type reading the messages.
##
##
#
interface(`kernel_read_messages',`
gen_require(`
attribute can_receive_kernel_messages;
type proc_kmsg_t, proc_t;
')
allow $1 proc_t:dir search;
allow $1 proc_kmsg_t:file r_file_perms;
typeattribute $1 can_receive_kernel_messages;
')
########################################
##
## Allow caller to get the attributes of kernel message
## interface (/proc/kmsg).
##
##
##
## The process type getting the attributes.
##
##
#
interface(`kernel_getattr_message_if',`
gen_require(`
type proc_kmsg_t, proc_t;
')
allow $1 proc_t:dir search;
allow $1 proc_kmsg_t:file getattr;
')
########################################
##
## Do not audit attempts by caller to get the attributes of kernel
## message interfaces.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_getattr_message_if',`
gen_require(`
type proc_kmsg_t, proc_t;
')
dontaudit $1 proc_kmsg_t:file getattr;
')
########################################
##
## Do not audit attempts to search the network
## state directory.
##
##
##
## The process type reading the state.
##
##
##
#
interface(`kernel_dontaudit_search_network_state',`
gen_require(`
type proc_net_t;
')
dontaudit $1 proc_net_t:dir search;
')
########################################
##
## Allow searching of network state directory.
##
##
##
## The process type reading the state.
##
##
##
#
interface(`kernel_search_network_state',`
gen_require(`
type proc_net_t;
')
allow $1 proc_net_t:dir search;
')
########################################
##
## Allow caller to read the network state information.
##
##
##
## The process type reading the state.
##
##
##
#
interface(`kernel_read_network_state',`
gen_require(`
type proc_t, proc_net_t;
')
allow $1 proc_t:dir search;
allow $1 proc_net_t:dir r_dir_perms;
allow $1 proc_net_t:file r_file_perms;
allow $1 proc_net_t:lnk_file { getattr read };
')
########################################
##
## Allow caller to read the network state symbolic links.
##
##
##
## The process type reading the state.
##
##
#
interface(`kernel_read_network_state_symlinks',`
gen_require(`
type proc_t, proc_net_t;
')
allow $1 proc_t:dir search;
allow $1 proc_net_t:dir r_dir_perms;
allow $1 proc_net_t:lnk_file r_file_perms;
')
########################################
##
## Allow searching of xen state directory.
##
##
##
## The process type reading the state.
##
##
##
#
interface(`kernel_search_xen_state',`
gen_require(`
type proc_t, proc_xen_t;
')
allow $1 proc_t:dir search_dir_perms;
allow $1 proc_xen_t:dir search_dir_perms;
')
########################################
##
## Do not audit attempts to search the xen
## state directory.
##
##
##
## The process type reading the state.
##
##
##
#
interface(`kernel_dontaudit_search_xen_state',`
gen_require(`
type proc_xen_t;
')
dontaudit $1 proc_xen_t:dir search;
')
########################################
##
## Allow caller to read the xen state information.
##
##
##
## The process type reading the state.
##
##
##
#
interface(`kernel_read_xen_state',`
gen_require(`
type proc_t, proc_xen_t;
')
allow $1 proc_t:dir search_dir_perms;
allow $1 proc_xen_t:dir r_dir_perms;
allow $1 proc_xen_t:file r_file_perms;
allow $1 proc_xen_t:lnk_file { getattr read };
')
########################################
##
## Allow caller to read the xen state symbolic links.
##
##
##
## The process type reading the state.
##
##
##
#
interface(`kernel_read_xen_state_symlinks',`
gen_require(`
type proc_t, proc_xen_t;
')
allow $1 proc_t:dir search;
allow $1 proc_xen_t:dir r_dir_perms;
allow $1 proc_xen_t:lnk_file r_file_perms;
')
########################################
##
## Allow caller to write xen state information.
##
##
##
## The process type writing the state.
##
##
##
#
interface(`kernel_write_xen_state',`
gen_require(`
type proc_t, proc_xen_t;
')
allow $1 proc_t:dir search;
allow $1 proc_xen_t:dir r_dir_perms;
allow $1 proc_xen_t:file write;
')
########################################
##
## Do not audit attempts to list all proc directories.
##
##
##
## Domain to not audit.
##
##
#
interface(`kernel_dontaudit_list_all_proc',`
gen_require(`
attribute proc_type;
')
dontaudit $1 proc_type:dir list_dir_perms;
')
########################################
##
## Do not audit attempts by caller to search
## the base directory of sysctls.
##
##
##
## The process type not to audit.
##
##
##
#
interface(`kernel_dontaudit_search_sysctl',`
gen_require(`
type sysctl_t;
')
dontaudit $1 sysctl_t:dir search;
')
########################################
##
## Allow access to read sysctl directories.
##
##
##
## The process type to allow to read sysctl directories.
##
##
##
#
interface(`kernel_read_sysctl',`
gen_require(`
type sysctl_t;
')
allow $1 sysctl_t:dir r_dir_perms;
')
########################################
##
## Allow caller to read the device sysctls.
##
##
##
## The process type to allow to read the device sysctls.
##
##
##
#
interface(`kernel_read_device_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_dev_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_dev_t:dir r_dir_perms;
allow $1 sysctl_dev_t:file r_file_perms;
')
########################################
##
## Read and write device sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_device_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_dev_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_dev_t:file rw_file_perms;
')
########################################
##
## Allow caller to search virtual memory sysctls.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_search_vm_sysctl',`
gen_require(`
type proc_t, sysctl_t, sysctl_vm_t;
')
allow $1 { proc_t sysctl_t sysctl_vm_t }:dir search_dir_perms;
')
########################################
##
## Allow caller to read virtual memory sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_vm_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_vm_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_vm_t:file r_file_perms;
')
########################################
##
## Read and write virtual memory sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_vm_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_vm_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_vm_t:dir list_dir_perms;
allow $1 sysctl_vm_t:file rw_file_perms;
# hal needs this
allow $1 sysctl_vm_t:dir write;
')
########################################
##
## Search network sysctl directories.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_search_network_sysctl',`
gen_require(`
type proc_t, sysctl_t, sysctl_net_t;
')
allow $1 { proc_t sysctl_t sysctl_net_t }:dir search;
')
########################################
##
## Do not audit attempts by caller to search network sysctl directories.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_search_network_sysctl',`
gen_require(`
type sysctl_net_t;
')
dontaudit $1 sysctl_net_t:dir search;
')
########################################
##
## Allow caller to read network sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_net_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_net_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_net_t:dir r_dir_perms;
allow $1 sysctl_net_t:file r_file_perms;
')
########################################
##
## Allow caller to modiry contents of sysctl network files.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_net_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_net_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_net_t:dir r_dir_perms;
allow $1 sysctl_net_t:file rw_file_perms;
')
########################################
##
## Allow caller to read unix domain
## socket sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_unix_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_net_t, sysctl_net_unix_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_net_t:dir r_dir_perms;
allow $1 sysctl_net_unix_t:file r_file_perms;
')
########################################
##
## Read and write unix domain
## socket sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_unix_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_net_t, sysctl_net_unix_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_net_t:dir r_dir_perms;
allow $1 sysctl_net_unix_t:file rw_file_perms;
')
########################################
##
## Read the hotplug sysctl.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_hotplug_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_kernel_t, sysctl_hotplug_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:dir r_dir_perms;
allow $1 sysctl_hotplug_t:file r_file_perms;
')
########################################
##
## Read and write the hotplug sysctl.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_hotplug_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_kernel_t, sysctl_hotplug_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:dir r_dir_perms;
allow $1 sysctl_hotplug_t:file rw_file_perms;
')
########################################
##
## Read the modprobe sysctl.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_modprobe_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_kernel_t, sysctl_modprobe_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:dir r_dir_perms;
allow $1 sysctl_modprobe_t:file r_file_perms;
')
########################################
##
## Read and write the modprobe sysctl.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_modprobe_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_kernel_t, sysctl_modprobe_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:dir r_dir_perms;
allow $1 sysctl_modprobe_t:file rw_file_perms;
')
########################################
##
## Do not audit attempts to search generic kernel sysctls.
##
##
##
## Domain to not audit.
##
##
#
interface(`kernel_dontaudit_search_kernel_sysctl',`
gen_require(`
type sysctl_kernel_t;
')
dontaudit $1 sysctl_kernel_t:dir search;
')
########################################
##
## Read generic kernel sysctls.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_read_kernel_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_kernel_t;
')
allow $1 proc_t:dir search_dir_perms;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:file r_file_perms;
')
########################################
##
## Do not audit attempts to write generic kernel sysctls.
##
##
##
## Domain to not audit.
##
##
#
interface(`kernel_dontaudit_write_kernel_sysctl',`
gen_require(`
type sysctl_kernel_t;
')
dontaudit $1 sysctl_kernel_t:file write;
')
########################################
##
## Read and write generic kernel sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_kernel_sysctl',`
gen_require(`
type proc_t, sysctl_t, sysctl_kernel_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:dir r_dir_perms;
allow $1 sysctl_kernel_t:file rw_file_perms;
')
########################################
##
## Read filesystem sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_fs_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_fs_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_fs_t:dir r_dir_perms;
allow $1 sysctl_fs_t:file r_file_perms;
')
########################################
##
## Read and write fileystem sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_fs_sysctls',`
gen_require(`
type proc_t, sysctl_t, sysctl_fs_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_t:dir r_dir_perms;
allow $1 sysctl_fs_t:dir r_dir_perms;
allow $1 sysctl_fs_t:file rw_file_perms;
')
########################################
##
## Read IRQ sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_irq_sysctls',`
gen_require(`
type proc_t, sysctl_irq_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_irq_t:dir r_dir_perms;
allow $1 sysctl_irq_t:file r_file_perms;
')
########################################
##
## Read and write IRQ sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_irq_sysctls',`
gen_require(`
type proc_t, sysctl_irq_t;
')
allow $1 proc_t:dir search;
allow $1 sysctl_irq_t:dir r_dir_perms;
allow $1 sysctl_irq_t:file rw_file_perms;
')
########################################
##
## Read RPC sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_rpc_sysctls',`
gen_require(`
type proc_t, proc_net_t, sysctl_rpc_t;
')
allow $1 proc_t:dir search;
allow $1 proc_net_t:dir search;
allow $1 sysctl_rpc_t:dir r_dir_perms;
allow $1 sysctl_rpc_t:file r_file_perms;
')
########################################
##
## Read and write RPC sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_rpc_sysctls',`
gen_require(`
type proc_t, proc_net_t, sysctl_rpc_t;
')
allow $1 proc_t:dir search;
allow $1 proc_net_t:dir search;
allow $1 sysctl_rpc_t:dir r_dir_perms;
allow $1 sysctl_rpc_t:file rw_file_perms;
')
########################################
##
## Do not audit attempts to list all sysctl directories.
##
##
##
## Domain to not audit.
##
##
#
interface(`kernel_dontaudit_list_all_sysctls',`
gen_require(`
attribute sysctl_type;
')
dontaudit $1 sysctl_type:dir list_dir_perms;
')
########################################
##
## Allow caller to read all sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_read_all_sysctls',`
gen_require(`
attribute sysctl_type;
type proc_t, proc_net_t;
')
# proc_net_t for /proc/net/rpc sysctls
allow $1 { proc_t proc_net_t }:dir search;
allow $1 sysctl_type:dir r_dir_perms;
allow $1 sysctl_type:file r_file_perms;
')
########################################
##
## Read and write all sysctls.
##
##
##
## Domain allowed access.
##
##
##
#
interface(`kernel_rw_all_sysctls',`
gen_require(`
attribute sysctl_type;
type proc_t, proc_net_t;
')
# proc_net_t for /proc/net/rpc sysctls
allow $1 { proc_t proc_net_t }:dir search;
allow $1 sysctl_type:dir r_dir_perms;
allow $1 sysctl_type:file { rw_file_perms setattr };
')
########################################
##
## Send a kill signal to unlabeled processes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_kill_unlabeled',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:process sigkill;
')
########################################
##
## Send general signals to unlabeled processes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_signal_unlabeled',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:process signal;
')
########################################
##
## Send a null signal to unlabeled processes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_signull_unlabeled',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:process signull;
')
########################################
##
## Send a stop signal to unlabeled processes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_sigstop_unlabeled',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:process sigstop;
')
########################################
##
## Send a child terminated signal to unlabeled processes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_sigchld_unlabeled',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:process sigchld;
')
########################################
##
## List unlabeled directories.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_list_unlabeled',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:dir r_dir_perms;
')
########################################
##
## Do not audit attempts to list unlabeled directories.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_dontaudit_list_unlabeled',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:dir list_dir_perms;
')
########################################
##
## Read and write unlabeled directories.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_rw_unlabeled_dirs',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:dir rw_dir_perms;
')
########################################
##
## Do not audit attempts by caller to get the
## attributes of an unlabeled file.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_getattr_unlabeled_files',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:file getattr;
')
########################################
##
## Do not audit attempts by caller to
## read an unlabeled file.
##
##
##
## Domain to not audit.
##
##
#
interface(`kernel_dontaudit_read_unlabeled_files',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:file { getattr read };
')
########################################
##
## Do not audit attempts by caller to get the
## attributes of unlabeled symbolic links.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_getattr_unlabeled_symlinks',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:lnk_file getattr;
')
########################################
##
## Do not audit attempts by caller to get the
## attributes of unlabeled named pipes.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_getattr_unlabeled_pipes',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:fifo_file getattr;
')
########################################
##
## Do not audit attempts by caller to get the
## attributes of unlabeled named sockets.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_getattr_unlabeled_sockets',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:sock_file getattr;
')
########################################
##
## Do not audit attempts by caller to get attributes for
## unlabeled block devices.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_getattr_unlabeled_blk_files',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:blk_file getattr;
')
########################################
##
## Read and write unlabeled block device nodes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_rw_unlabeled_blk_files',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:blk_file getattr;
')
########################################
##
## Do not audit attempts by caller to get attributes for
## unlabeled character devices.
##
##
##
## The process type not to audit.
##
##
#
interface(`kernel_dontaudit_getattr_unlabeled_chr_files',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:chr_file getattr;
')
########################################
##
## Allow caller to relabel unlabeled directories.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_relabelfrom_unlabeled_dirs',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:dir { getattr search read relabelfrom };
')
########################################
##
## Allow caller to relabel unlabeled files.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_relabelfrom_unlabeled_files',`
gen_require(`
type unlabeled_t;
')
kernel_list_unlabeled($1)
allow $1 unlabeled_t:file { getattr relabelfrom };
')
########################################
##
## Allow caller to relabel unlabeled symbolic links.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_relabelfrom_unlabeled_symlinks',`
gen_require(`
type unlabeled_t;
')
kernel_list_unlabeled($1)
allow $1 unlabeled_t:lnk_file { getattr relabelfrom };
')
########################################
##
## Allow caller to relabel unlabeled named pipes.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_relabelfrom_unlabeled_pipes',`
gen_require(`
type unlabeled_t;
')
kernel_list_unlabeled($1)
allow $1 unlabeled_t:fifo_file { getattr relabelfrom };
')
########################################
##
## Allow caller to relabel unlabeled named sockets.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_relabelfrom_unlabeled_sockets',`
gen_require(`
type unlabeled_t;
')
kernel_list_unlabeled($1)
allow $1 unlabeled_t:sock_file { getattr relabelfrom };
')
########################################
##
## Send and receive messages from an
## unlabeled IPSEC association.
##
##
##
## Send and receive messages from an
## unlabeled IPSEC association. Network
## connections that are not protected
## by IPSEC have use an unlabeled
## assocation.
##
##
## The corenetwork interface
## corenet_non_ipsec_sendrecv() should
## be used instead of this one.
##
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_sendrecv_unlabeled_association',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:association { sendto recvfrom };
# temporary hack until labeling on packets is supported
allow $1 unlabeled_t:packet { send recv };
')
########################################
##
## Do not audit attempts to send and receive messages
## from an unlabeled IPSEC association.
##
##
##
## Do not audit attempts to send and receive messages
## from an unlabeled IPSEC association. Network
## connections that are not protected
## by IPSEC have use an unlabeled
## assocation.
##
##
## The corenetwork interface
## corenet_dontaudit_non_ipsec_sendrecv() should
## be used instead of this one.
##
##
##
##
## Domain to not audit.
##
##
#
interface(`kernel_dontaudit_sendrecv_unlabeled_association',`
gen_require(`
type unlabeled_t;
')
dontaudit $1 unlabeled_t:association { sendto recvfrom };
')
########################################
##
## Send and receive unlabeled packets.
##
##
##
## Send and receive unlabeled packets.
## These packets do not match any netfilter
## SECMARK rules.
##
##
## The corenetwork interface
## corenet_sendrecv_unlabeled_packets() should
## be used instead of this one.
##
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_sendrecv_unlabeled_packets',`
gen_require(`
type unlabeled_t;
')
allow $1 unlabeled_t:packet { send recv };
')
########################################
##
## Unconfined access to kernel module resources.
##
##
##
## Domain allowed access.
##
##
#
interface(`kernel_unconfined',`
gen_require(`
attribute kern_unconfined;
')
typeattribute $1 kern_unconfined;
')