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Bug 298941 - pam_namespace not wanting to work with live images
pam_namespace not wanting to work with live images
Product: Fedora
Classification: Fedora
Component: pam (Show other bugs)
All Linux
low Severity low
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Assigned To: Tomas Mraz
Fedora Extras Quality Assurance
Depends On:
Blocks: F8Target
  Show dependency treegraph
Reported: 2007-09-20 15:01 EDT by Jeremy Katz
Modified: 2007-11-30 17:12 EST (History)
2 users (show)

See Also:
Fixed In Version: pam-
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2007-09-24 03:16:29 EDT
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Regression: ---
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Verified Versions:
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RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Jeremy Katz 2007-09-20 15:01:44 EDT
Following Dan's instructions for setting up pam_namespace with an xguest user, I
can't login as xguest.

avc errors are about xdm_t creating files labeled etc_t when trying to copy the
/etc/skel bits, but it shouldn't be trying to create them as etc_t anyway I
don't think.
Comment 1 Tomas Mraz 2007-09-20 15:40:09 EDT
Can you try to modify /etc/security/namespace.init so it contains 
cp -aT --no-preserve=context .....
instead of
cp -aT .....

Does it help?
Comment 2 Tomas Mraz 2007-09-20 15:40:42 EDT
If not, what are all the AVCs?
Comment 3 Jeremy Katz 2007-09-20 15:53:30 EDT
That helps somewhat...
time->Thu Sep 20 19:46:23 2007
type=SYSCALL msg=audit(1190331983.113:27): arch=40000003 syscall=117 success=no
exit=-13 a0=15 a1=8000 a2=0 a3=bfb5aec8 items=0 ppid=1820 pid=1824
auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=tty7
comm="X" exe="/usr/bin/Xorg" subj=system_u:system_r:xdm_xserver_t:s0-s0:c0.c1023
type=AVC msg=audit(1190331983.113:27): avc:  denied  { read write } for 
pid=1824 comm="X" path=2F535953563030303030303030202864656C6574656429 dev=tmpfs
ino=32768 scontext=system_u:system_r:xdm_xserver_t:s0-s0:c0.c1023
tcontext=system_u:object_r:unconfined_tmpfs_t:s0 tclass=file

and similar for all of the files.  According to audit2allow
  allow xdm_xserver_t unconfined_tmpfs_t:file { read write };
Comment 4 Tomas Mraz 2007-09-20 16:25:02 EDT
I'll add the --no-preserve=context to the next pam build however the rest has to
be fixed in the policy.
Comment 5 Daniel Walsh 2007-09-21 10:48:15 EDT
Tomas the patch I sent you this morning fixes these.

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