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On 12/01/2010 01:15 PM, Paul Howarth wrote:
> On Wed, 01 Dec 2010 16:45:21 +0000
> Paul Howarth <paul@xxxxxxxxxxxx> wrote:
>
>> I've just been trying out proftpd on a Rawhide box with /var/run on
>> tmpfs, and got this AVC:
>>
>> time->Wed Dec 1 16:33:16 2010
>> type=SYSCALL msg=audit(1291221196.017:128): arch=40000003 syscall=5
>> success=no exit=-13 a0=1c3f6c a1=a0142 a2=180 a3=9665f78 items=0
>> ppid=1213 pid=1336 auid=500 uid=0 gid=500 euid=500 suid=500 fsuid=500
>> egid=500 sgid=500 fsgid=500 tty=(none) ses=8 comm="proftpd"
>> exe="/usr/sbin/proftpd" subj=system_u:system_r:ftpd_t:s0-s0:c0.c1023
>> key=(null)
>> type=AVC msg=audit(1291221196.017:128): avc: denied { search } for
>> pid=1336 comm="proftpd" name="user" dev=tmpfs ino=12173
>> scontext=system_u:system_r:ftpd_t:s0-s0:c0.c1023
>> tcontext=system_u:object_r:var_auth_t:s0 tclass=dir
>>
>> It's trying to look in /var/run/user I think.
>>
>> I don't know why it was trying to do this (maybe related to
>> pam_systemd?) but it didn't seem to stop it working.
>
> Here's another related one, with related logging:
>
> ==> /var/log/audit/audit.log <==
> type=USER_AUTH msg=audit(1291222006.187:44): user pid=1173 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:ftpd_t:s0-s0:c0.c1023 msg='op=PAM:authentication acct="paul" exe="/usr/sbin/proftpd" hostname=::ffff:10.9.2.1 addr=::ffff:10.9.2.1 terminal=/dev/ftpd1173 res=success'
> type=USER_ACCT msg=audit(1291222006.196:45): user pid=1173 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:ftpd_t:s0-s0:c0.c1023 msg='op=PAM:accounting acct="paul" exe="/usr/sbin/proftpd" hostname=::ffff:10.9.2.1 addr=::ffff:10.9.2.1 terminal=/dev/ftpd1173 res=success'
> type=LOGIN msg=audit(1291222006.197:46): login pid=1173 uid=0 old auid=4294967295 new auid=500 old ses=4294967295 new ses=2
> type=AVC msg=audit(1291222006.198:47): avc: denied { getattr } for pid=1173 comm="proftpd" path="/var/run/user" dev=tmpfs ino=12078 scontext=system_u:system_r:ftpd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:var_auth_t:s0 tclass=dir
> type=SYSCALL msg=audit(1291222006.198:47): arch=40000003 syscall=196 success=no exit=-13 a0=360d64 a1=bfbb36ac a2=60fff4 a3=3 items=0 ppid=1065 pid=1173 auid=500 uid=0 gid=99 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=2 comm="proftpd" exe="/usr/sbin/proftpd" subj=system_u:system_r:ftpd_t:s0-s0:c0.c1023 key=(null)
>
> ==> /var/log/secure <==
> Dec 1 16:46:46 k9 proftpd: pam_systemd(proftpd:session): Failed to create runtime directory: Permission denied
> Dec 1 16:46:46 k9 proftpd: pam_unix(proftpd:session): session opened for user paul by (uid=0)
>
> Paul.
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>
>
Looks like we need to add
auth_manage_var_auth(ftpd_t)
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