On Thu, 10 Jan 2008 10:40:18 -0500
Steve Grubb wrote:
> On Thursday 10 January 2008 10:32:37 Alexander Viro wrote:
> > On Thu, Jan 10, 2008 at 10:19:50AM -0500, Steve Grubb wrote:
> > > I was under the impression that Al Viro has already sent a patch allowing
> > > for PATH in all AVC messages. Al?
> >
> > In the mainline for quite a while...
>
> That's what I thought.
>
> Yuichi, what kernel are you testing against that is having the problem? Is
> there a simple test case that shows the problem so we can check the kernel to
> make sure its working properly?
I am using 2.6.22.1 and 2.6.24.rc1, and enabling syscall audit.
One example of AVC message in 2.6.24.rc1 is below.
#Type is broken for testing, do not warry about that :)
audit(946684824.060:5): avc: denied { read } for pid=796 comm="httpd" name="index.html" dev=sda1 ino=61906
scontext=system_u:system_r:httpd_t tcontext=system_u:object_r:etc_shadow_t tclass=file
audit(946684824.060:5): arch=2a syscall=5 per=800000 success=yes exit=5 a0=48d490 a1=0 a2=1b6 a3=1b6 items=1
ppid=795 pid=796 auid=4294967295 uid=99 gid=99 euid=99 suid=99 fsuid=99 egid=99 sgid=99 fsgid=99 tty=(none) comm="httpd"
exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t key=(null)
File name appears as name="index.html".
By applying my patch or registering some audit rule,
following will appear.
audit(946684824.060:5): cwd="/"
audit(946684824.060:5): item=0 name="/var/www/htdocs/index.html" inode=61906 dev=08:01 mode=0100644
ouid=0 ogid=0 rdev=00:00 obj=system_u:object_r:etc_shadow_t
Here, fullpath "/var/www/htdocs/index.html" is reported.
Regards,
--
Yuichi Nakamura
Hitachi Software Engineering Co., Ltd.
Japan SELinux Users Group(JSELUG): http://www.selinux.gr.jp/
SELinux Policy Editor: http://seedit.sourceforge.net/
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