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selinux: drop SECURITY_SELINUX_POLICYDB_VERSION_MAX

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Remove the SECURITY_SELINUX_POLICYDB_VERSION_MAX Kconfig option

Per: https://github.com/SELinuxProject/selinux/wiki/Kernel-Todo

This was only needed on Fedora 3 and 4 and just causes issues now,
so drop it.

The MAX and MIN should just be whatever the kernel can support.

Signed-off-by: William Roberts <william.c.roberts@intel.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
William Roberts 2016-08-15 12:42:12 -07:00 committed by Paul Moore
parent a518b0a5b0
commit 348a0db9e6
2 changed files with 0 additions and 42 deletions
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38
security/selinux/Kconfig
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@ -93,41 +93,3 @@ config SECURITY_SELINUX_CHECKREQPROT_VALUE
via /selinux/checkreqprot if authorized by policy.
If you are unsure how to answer this question, answer 0.
config SECURITY_SELINUX_POLICYDB_VERSION_MAX
bool "NSA SELinux maximum supported policy format version"
depends on SECURITY_SELINUX
default n
help
This option enables the maximum policy format version supported
by SELinux to be set to a particular value. This value is reported
to userspace via /selinux/policyvers and used at policy load time.
It can be adjusted downward to support legacy userland (init) that
does not correctly handle kernels that support newer policy versions.
Examples:
For the Fedora Core 3 or 4 Linux distributions, enable this option
and set the value via the next option. For Fedora Core 5 and later,
do not enable this option.
If you are unsure how to answer this question, answer N.
config SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE
int "NSA SELinux maximum supported policy format version value"
depends on SECURITY_SELINUX_POLICYDB_VERSION_MAX
range 15 23
default 19
help
This option sets the value for the maximum policy format version
supported by SELinux.
Examples:
For Fedora Core 3, use 18.
For Fedora Core 4, use 19.
If you are unsure how to answer this question, look for the
policy format version supported by your policy toolchain, by
running 'checkpolicy -V'. Or look at what policy you have
installed under /etc/selinux/$SELINUXTYPE/policy, where
SELINUXTYPE is defined in your /etc/selinux/config.

4
security/selinux/include/security.h
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@ -39,11 +39,7 @@
/* Range of policy versions we understand*/
#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
#ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX
#define POLICYDB_VERSION_MAX CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE
#else
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_XPERMS_IOCTL
#endif
/* Mask for just the mount related flags */
#define SE_MNTMASK 0x0f