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Re: SELinux denying Brother printer to CUPS



Simon Slater wrote:
G'day again,
	I am setting up a Brother MFC665CW in F7.  As far as I know I have
followed the Brother instructions and FAQ.  It prints fine via USB.
When sending a CUPS test page these avc denials are given:
1/
avc: denied { write } for comm="brprintconf_mfc" dev=dm-0 egid=7 euid=4
exe="/usr/bin/brprintconf_mfc665cw" exit=-13 fsgid=7 fsuid=4 gid=7
items=0
name="inf" pid=3089 scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023
sgid=7
subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 suid=4 tclass=dir
tcontext=root:object_r:usr_t:s0 tty=(none) uid=4
2/
avc: denied { append } for comm="sh" dev=dm-0 egid=7 euid=4
exe="/bin/bash"
exit=-13 fsgid=7 fsuid=4 gid=7 items=0 name="txreport.log" pid=5852
scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 sgid=7
subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 suid=4 tclass=file
tcontext=root:object_r:usr_t:s0 tty=(none) uid=4
3/
avc: denied { write } for comm="sh" dev=dm-0 egid=7 euid=4
exe="/bin/bash"
exit=-13 fsgid=7 fsuid=4 gid=7 items=0 name="txreport.log" pid=5852
scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 sgid=7
subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 suid=4 tclass=file
tcontext=root:object_r:usr_t:s0 tty=(none) uid=4
4/
avc: denied { execute } for comm="brlpdwrappermfc" dev=dm-0 egid=7
euid=4
exe="/bin/bash" exit=-13 fsgid=7 fsuid=4 gid=7 items=0
name="filtermfc665cw"
pid=3541 scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 sgid=7
subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 suid=4 tclass=file
tcontext=system_u:object_r:usr_t:s0 tty=(none) uid=4
5/
avc: denied { execute } for comm="brlpdwrappermfc" dev=dm-0 egid=7
euid=4
exe="/bin/bash" exit=-13 fsgid=7 fsuid=4 gid=7 items=0
name="brcupsconfpt1"
pid=3539 scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 sgid=7
subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 suid=4 tclass=file
tcontext=system_u:object_r:usr_t:s0 tty=(none) uid=4
6/
avc: denied { execute_no_trans } for comm="cupsd" dev=dm-0 egid=7 euid=4
exe="/usr/sbin/cupsd" exit=-13 fsgid=7 fsuid=4 gid=7 items=0
name="brlpdwrappermfc665cw"
path="/usr/lib/cups/filter/brlpdwrappermfc665cw"
pid=3257 scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 sgid=7
subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 suid=4 tclass=file
tcontext=root:object_r:lib_t:s0 tty=(none) uid=4

	I have followed the advice of setroubleshoot and have:
touch /.autorelabel; reboot
but still no change.

	There seems to be many files involved.  What is the source of the
problem?  SEtroubleshoot suggests local policy rules (reading up on that
now in FC5 selinux FAQ) but how many will be needed? One for each type
of denial.

	Any help greatly appreciated. I've been fiddling with this for over a
week now :(


I had similar problems with setting up a Brother MCF5640cn on an F8 machine. Have you tried the steps listed at the following URL?

http://solutions.brother.com/linux/sol/printer/linux/linux_faq-2.html#30

-Will


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