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Paul Howarth wrote:
> On Thu, 17 Jan 2008 12:51:33 -0500
> Daniel J Walsh <dwalsh@xxxxxxxxxx> wrote:
>
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>> Paul Howarth wrote:
>>> Today I've done a bit of a clean-up of the local policy modules
>>> I've had in use over the last couple of Fedora releases, removing
>>> bits that are no longer needed and consolidating the remaining ones
>>> into a single "localmisc" module. The results of this is:
>>>
>>> policy_module(localmisc, 0.1.34)
>>>
>>> require {
>>> attribute mailserver_delivery;
>>> type depmod_t;
>>> type httpd_t;
>>> type load_policy_t;
>>> type procmail_t;
>>> type procmail_tmp_t;
>>> type pptp_t;
>>> type restorecon_t;
>>> type sendmail_t;
>>> type setfiles_t;
>>> type soundd_port_t;
>>> type squid_t;
>>> type useradd_t;
>>> type var_t;
>>> };
>>>
>>> # ========================================
>>> # Things that probably need to go upstream
>>> # ========================================
>>>
>>> # Milter sockets, why did this work before?
>>> #allow sendmail_t initrc_t:unix_stream_socket { read write
>>> connectto }; init_stream_connect_script(mailserver_delivery)
>>> init_rw_script_stream_sockets(mailserver_delivery)
>>>
>> Already added.
>>> # Allow misc command output to be sent to a pipe, needed for rpm
>>> scriptlets # Probably not needed since Fedora 8
>>> #unconfined_rw_pipes(depmod_t)
>>> #unconfined_rw_pipes(load_policy_t)
>>> #unconfined_rw_pipes(setfiles_t)
>>> #unconfined_rw_pipes(useradd_t)
>>>
>>> # Allow pptp to manage its own processes
>>> allow pptp_t self:process signal;
>>>
>> Added.
>>> # Allow sendmail to read procmail tempfiles for forwarding
>>> # (would need a new interface in procmail.if to do this properly)
>>> allow sendmail_t procmail_tmp_t:file { read write getattr ioctl };
>>>
>> Added
>
> Policy now has procmail_read_tmp_files(sendmail_t) but this doesn't
> allow write access by sendmail. Sendmail needs to write into
> procmail_tmp_t when a procmail recipe pipes a message into a filter and
> that filter creates a temp file I believe.
>
> I'm getting the AVCs anyway:
> type=AVC msg=audit(1202162399.034:320138): avc: denied { write } for
> pid=16452 comm="sendmail" path="/tmp/choplist.16383" dev=dm-1 ino=13
> scontext=system_u:system_r:sendmail_t:s0
> tcontext=system_u:object_r:procmail_tmp_t:s0 tclass=file type=SYSCALL
> msg=audit(1202162399.034:320138): arch=40000003 syscall=11 success=yes
> exit=0 a0=bf8febff a1=84ffe44 a2=bf8fe3a4 a3=84ffe44 items=0 ppid=16384
> pid=16452 auid=0 uid=502 gid=502 euid=502 suid=502 fsuid=502 egid=51
> sgid=51 fsgid=51 tty=(none) comm="sendmail"
> exe="/usr/sbin/sendmail.sendmail" subj=system_u:system_r:sendmail_t:s0
> key=(null) type=AVC msg=audit(1202162401.083:320139): avc: denied
> { write } for pid=16453 comm="sendmail"
> path=2F746D702F63686F706C6973742E3136333833202864656C6574656429
> dev=dm-1 ino=13 scontext=system_u:system_r:sendmail_t:s0
> tcontext=system_u:object_r:procmail_tmp_t:s0 tclass=file
>
> Paul.
Fixed in selinux-policy-3.0.8-84.fc8
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