Re: Rebuilding Modified Base Policy on RHEL6 (was on-Computing Abstractions & An Issue Thereof)

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On 06/26/2010 04:06 PM, Joshua Kramer wrote:

Is the method for rebuilding policy explained in the following guide,
still effective for RHEL6?
http://danwalsh.livejournal.com/26428.html

Ok, so I followed the instructions on the noted page; specifically, near
the bottom. This line works to rebuild policy on RHEL6:

*make validate UNK_PERMS=allow NAME=strict TYPE=mcs DISTRO=redhat UBAC=n
DIRECT_INITRC=y MONOLITHIC=n POLY=y MLS_CATS=1024 MCS_CATS=1024 base

However, if I do this*, to switch the build from strict to targeted:

cd ~/sources/BUILD/serefpolicy-VERSION
make UNK_PERMS=allow NAME=targeted TYPE=mcs DISTRO=redhat UBAC=n
DIRECT_INITRC=y MONOLITHIC=n POLY=y MLS_CATS=1024 MCS_CATS=1024 bare
make conf
make UNK_PERMS=allow NAME=targeted TYPE=mcs DISTRO=redhat UBAC=n
DIRECT_INITRC=y MONOLITHIC=n POLY=y MLS_CATS=1024 MCS_CATS=1024 conf

...the make breaks with this error:

Creating targeted base module base.conf
cat tmp/pre_te_files.conf tmp/all_attrs_types.conf tmp/global_bools.conf
tmp/only_te_rules.conf tmp/all_post.conf > base.conf
Compiling targeted base module
/usr/bin/checkmodule -M -U allow base.conf -o tmp/base.mod
/usr/bin/checkmodule: loading policy configuration from base.conf
policy/modules/kernel/domain.te":195:ERROR 'type selinux_config_t is not
within scope' at token ';' on line 9468:
#line 195
dontaudit domain selinux_config_t:dir { getattr search open };
/usr/bin/checkmodule: error(s) encountered while parsing configuration
make: *** [tmp/base.mod] Error 1

It breaks even with a non-modified policy (i.e. install src.rpm and run
this make command).

Do I need to do this, even if I only want to build a modified "targeted"
version of the policy? Is it "strict" by default?

Thanks,
-Josh



thats a bug in flex(tried to bisect flex a while back, but found myself in a nightmare doing so). one thing I do when I hit this is downgrade flex to 2.5.4a then build only checkmodule/policy then try the policy again(just remember to put flex back to the latest afterwards)

hope this helps,

Justin P. Mattock

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