## <summary>
## Policy for kernel security interface, in particular, selinuxfs.
## </summary>
## <required val="true">
## Contains the policy for the kernel SELinux security interface.
## </required>
########################################
## <summary>
## Make the specified type used for labeling SELinux Booleans.
## This interface is only usable in the base module.
## </summary>
## <desc>
## <p>
## Make the specified type used for labeling SELinux Booleans.
## </p>
## <p>
## This makes use of genfscon statements, which are only
## available in the base module. Thus any module which calls this
## interface must be included in the base module.
## </p>
## </desc>
## <param name="type">
## <summary>
## Type used for labeling a Boolean.
## </summary>
## </param>
## <param name="boolean">
## <summary>
## Name of the Boolean.
## </summary>
## </param>
#
interface(`selinux_labeled_boolean',`
gen_require(`
attribute boolean_type;
')
typeattribute $1 boolean_type;
# because of this statement, any module which
# calls this interface must be in the base module:
# genfscon selinuxfs /booleans/$2 gen_context(system_u:object_r:$1,s0)
')
########################################
## <summary>
## Get the mountpoint of the selinuxfs filesystem.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_get_fs_mount',`
gen_require(`
type security_t;
')
# starting in libselinux 2.0.5, init_selinuxmnt() will
# attempt to short circuit by checking if SELINUXMNT
# (/selinux) is already a selinuxfs
allow $1 security_t:filesystem getattr;
# read /proc/filesystems to see if selinuxfs is supported
# then read /proc/self/mount to see where selinuxfs is mounted
kernel_read_system_state($1)
')
########################################
## <summary>
## Do not audit attempts to get the mountpoint
## of the selinuxfs filesystem.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`selinux_dontaudit_get_fs_mount',`
gen_require(`
type security_t;
')
# starting in libselinux 2.0.5, init_selinuxmnt() will
# attempt to short circuit by checking if SELINUXMNT
# (/selinux) is already a selinuxfs
dontaudit $1 security_t:filesystem getattr;
# read /proc/filesystems to see if selinuxfs is supported
# then read /proc/self/mount to see where selinuxfs is mounted
kernel_dontaudit_read_system_state($1)
')
########################################
## <summary>
## Get the attributes of the selinuxfs filesystem
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_getattr_fs',`
gen_require(`
type security_t;
')
allow $1 security_t:filesystem getattr;
')
########################################
## <summary>
## Do not audit attempts to get the
## attributes of the selinuxfs filesystem
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`selinux_dontaudit_getattr_fs',`
gen_require(`
type security_t;
')
dontaudit $1 security_t:filesystem getattr;
')
########################################
## <summary>
## Do not audit attempts to get the
## attributes of the selinuxfs directory.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`selinux_dontaudit_getattr_dir',`
gen_require(`
type security_t;
')
dontaudit $1 security_t:dir getattr;
')
########################################
## <summary>
## Search selinuxfs.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_search_fs',`
gen_require(`
type security_t;
')
allow $1 security_t:dir search_dir_perms;
')
########################################
## <summary>
## Do not audit attempts to search selinuxfs.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`selinux_dontaudit_search_fs',`
gen_require(`
type security_t;
')
dontaudit $1 security_t:dir search_dir_perms;
')
########################################
## <summary>
## Do not audit attempts to read
## generic selinuxfs entries
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`selinux_dontaudit_read_fs',`
gen_require(`
type security_t;
')
selinux_dontaudit_getattr_fs($1)
dontaudit $1 security_t:dir search_dir_perms;
dontaudit $1 security_t:file read_file_perms;
')
########################################
## <summary>
## Allows the caller to get the mode of policy enforcement
## (enforcing or permissive mode).
## </summary>
## <param name="domain">
## <summary>
## The process type to allow to get the enforcing mode.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_get_enforce_mode',`
gen_require(`
type security_t;
')
selinux_get_fs_mount($1)
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file read_file_perms;
')
########################################
## <summary>
## Allow caller to set the mode of policy enforcement
## (enforcing or permissive mode).
## </summary>
## <desc>
## <p>
## Allow caller to set the mode of policy enforcement
## (enforcing or permissive mode).
## </p>
## <p>
## Since this is a security event, this action is
## always audited.
## </p>
## </desc>
## <param name="domain">
## <summary>
## The process type to allow to set the enforcement mode.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_set_enforce_mode',`
gen_require(`
type security_t;
attribute can_setenforce;
bool secure_mode_policyload;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
typeattribute $1 can_setenforce;
if(!secure_mode_policyload) {
allow $1 security_t:security setenforce;
ifdef(`distro_rhel4',`
# needed for systems without audit support
auditallow $1 security_t:security setenforce;
')
}
')
########################################
## <summary>
## Allow caller to load the policy into the kernel.
## </summary>
## <param name="domain">
## <summary>
## The process type that will load the policy.
## </summary>
## </param>
#
interface(`selinux_load_policy',`
gen_require(`
type security_t;
attribute can_load_policy;
bool secure_mode_policyload;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
typeattribute $1 can_load_policy;
if(!secure_mode_policyload) {
allow $1 security_t:security load_policy;
ifdef(`distro_rhel4',`
# needed for systems without audit support
auditallow $1 security_t:security load_policy;
')
}
')
#######################################
## <summary>
## Allow caller to read the policy from the kernel.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_read_policy',`
gen_require(`
type security_t;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file read_file_perms;
allow $1 security_t:security read_policy;
')
########################################
## <summary>
## Allow caller to set the state of Booleans to
## enable or disable conditional portions of the policy. (Deprecated)
## </summary>
## <desc>
## <p>
## Allow caller to set the state of Booleans to
## enable or disable conditional portions of the policy.
## </p>
## <p>
## Since this is a security event, this action is
## always audited.
## </p>
## <p>
## This interface has been deprecated. Please use
## selinux_set_generic_booleans() or selinux_set_all_booleans()
## instead.
## </p>
## </desc>
## <param name="domain">
## <summary>
## The process type allowed to set the Boolean.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_set_boolean',`
refpolicywarn(`$0($*) has been deprecated, use selinux_set_generic_booleans() instead.')
selinux_set_generic_booleans($1)
')
########################################
## <summary>
## Allow caller to set the state of generic Booleans to
## enable or disable conditional portions of the policy.
## </summary>
## <desc>
## <p>
## Allow caller to set the state of generic Booleans to
## enable or disable conditional portions of the policy.
## </p>
## <p>
## Since this is a security event, this action is
## always audited.
## </p>
## </desc>
## <param name="domain">
## <summary>
## The process type allowed to set the Boolean.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_set_generic_booleans',`
gen_require(`
type security_t;
bool secure_mode_policyload;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
if(!secure_mode_policyload) {
allow $1 security_t:security setbool;
ifdef(`distro_rhel4',`
# needed for systems without audit support
auditallow $1 security_t:security setbool;
')
}
')
########################################
## <summary>
## Allow caller to set the state of all Booleans to
## enable or disable conditional portions of the policy.
## </summary>
## <desc>
## <p>
## Allow caller to set the state of all Booleans to
## enable or disable conditional portions of the policy.
## </p>
## <p>
## Since this is a security event, this action is
## always audited.
## </p>
## </desc>
## <param name="domain">
## <summary>
## The process type allowed to set the Boolean.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_set_all_booleans',`
gen_require(`
type security_t;
attribute boolean_type;
bool secure_mode_policyload;
')
allow $1 security_t:dir list_dir_perms;
allow $1 boolean_type:dir list_dir_perms;
allow $1 boolean_type:file rw_file_perms;
if(!secure_mode_policyload) {
allow $1 security_t:security setbool;
ifdef(`distro_rhel4',`
# needed for systems without audit support
auditallow $1 security_t:security setbool;
')
}
')
########################################
## <summary>
## Allow caller to set SELinux access vector cache parameters.
## </summary>
## <desc>
## <p>
## Allow caller to set SELinux access vector cache parameters.
## The allows the domain to set performance related parameters
## of the AVC, such as cache threshold.
## </p>
## <p>
## Since this is a security event, this action is
## always audited.
## </p>
## </desc>
## <param name="domain">
## <summary>
## The process type to allow to set security parameters.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_set_parameters',`
gen_require(`
type security_t;
attribute can_setsecparam;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
allow $1 security_t:security setsecparam;
auditallow $1 security_t:security setsecparam;
typeattribute $1 can_setsecparam;
')
########################################
## <summary>
## Allows caller to validate security contexts.
## </summary>
## <param name="domain">
## <summary>
## The process type permitted to validate contexts.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_validate_context',`
gen_require(`
type security_t;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
allow $1 security_t:security check_context;
')
########################################
## <summary>
## Do not audit attempts to validate security contexts.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_dontaudit_validate_context',`
gen_require(`
type security_t;
')
dontaudit $1 security_t:dir list_dir_perms;
dontaudit $1 security_t:file rw_file_perms;
dontaudit $1 security_t:security check_context;
')
########################################
## <summary>
## Allows caller to compute an access vector.
## </summary>
## <param name="domain">
## <summary>
## The process type allowed to compute an access vector.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_compute_access_vector',`
gen_require(`
type security_t;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
allow $1 security_t:security compute_av;
')
########################################
## <summary>
## Calculate the default type for object creation.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`selinux_compute_create_context',`
gen_require(`
type security_t;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
allow $1 security_t:security compute_create;
')
########################################
## <summary>
## Allows caller to compute polyinstatntiated
## directory members.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_compute_member',`
gen_require(`
type security_t;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
allow $1 security_t:security compute_member;
')
########################################
## <summary>
## Calculate the context for relabeling objects.
## </summary>
## <desc>
## <p>
## Calculate the context for relabeling objects.
## This is determined by using the type_change
## rules in the policy, and is generally used
## for determining the context for relabeling
## a terminal when a user logs in.
## </p>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_compute_relabel_context',`
gen_require(`
type security_t;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
allow $1 security_t:security compute_relabel;
')
########################################
## <summary>
## Allows caller to compute possible contexts for a user.
## </summary>
## <param name="domain">
## <summary>
## The process type allowed to compute user contexts.
## </summary>
## </param>
#
interface(`selinux_compute_user_contexts',`
gen_require(`
type security_t;
')
allow $1 security_t:dir list_dir_perms;
allow $1 security_t:file rw_file_perms;
allow $1 security_t:security compute_user;
')
########################################
## <summary>
## Unconfined access to the SELinux kernel security server.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_unconfined',`
gen_require(`
attribute selinux_unconfined_type;
')
typeattribute $1 selinux_unconfined_type;
')
########################################
## <summary>
## Generate a file context for a boolean type
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`selinux_genbool',`
gen_require(`
attribute boolean_type;
')
type $1, boolean_type;
fs_type($1)
mls_trusted_object($1)
')
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