On 08/22/2014 07:04 AM, Cian Mc Govern wrote:
>
> To the professionals who work with Review Board
>
> I'm eager to get started with Review Board, but it's not working out
> of the box. I have Fedora 20 installed, with RB 1.7.26 with httpd
> 2.4.10.
>
> I can only work ReviewBoard if I turn off selinux, i.e. "setenforce
> off." We cannot do this on production.
>
> Here are the audit logs associated with accessing review board. Note
> there's more than just httpd in this mix, but also memcached. What
> access rights am I missing?
>
> type=AVC msg=audit(1408653306.680:2131): avc: denied {
> name_connect } for pid=17402 comm="httpd" dest=11211
> scontext=system_u:system_r:httpd_t:s0
> tcontext=system_u:object_r:memcache_port_t:s0 tclass=tcp_socket
> type=SYSCALL msg=audit(1408653306.680:2131): arch=c000003e
> syscall=42 success=no exit=-13 a0=e a1=7fffbe2e0db0 a2=10
> a3=7f80d17c79c8 items=0 ppid=17356 pid=17402 auid=4294967295
> uid=1152 gid=100 euid=1152 suid=1152 fsuid=1152 egid=100 sgid=100
> fsgid=100 tty=(none) ses=4294967295 comm="httpd"
> exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
> type=PROCTITLE msg=audit(1408653306.680:2131):
> proctitle=2F7573722F7362696E2F6874747064002D44464F524547524F554E44
> type=AVC msg=audit(1408653306.803:2132): avc: denied { write }
> for pid=17402 comm="httpd" name="data" dev="dm-8" ino=260102
> scontext=system_u:system_r:httpd_t:s0
> tcontext=unconfined_u:object_r:httpd_sys_content_t:s0 tclass=dir
> type=SYSCALL msg=audit(1408653306.803:2132): arch=c000003e
> syscall=21 success=no exit=-13 a0=7f80d63eb990 a1=2 a2=7f80c6223f88
> a3=0 items=0 ppid=17356 pid=17402 auid=4294967295 uid=1152 gid=100
> euid=1152 suid=1152 fsuid=1152 egid=100 sgid=100 fsgid=100
> tty=(none) ses=4294967295 comm="httpd" exe="/usr/sbin/httpd"
> subj=system_u:system_r:httpd_t:s0 key=(null)
> type=PROCTITLE msg=audit(1408653306.803:2132):
> proctitle=2F7573722F7362696E2F6874747064002D44464F524547524F554E44
> type=AVC msg=audit(1408653306.803:2133): avc: denied { write }
> for pid=17402 comm="httpd" name="data" dev="dm-8" ino=260102
> scontext=system_u:system_r:httpd_t:s0
> tcontext=unconfined_u:object_r:httpd_sys_content_t:s0 tclass=dir
> type=SYSCALL msg=audit(1408653306.803:2133): arch=c000003e
> syscall=21 success=no exit=-13 a0=7f80d65442c0 a1=2 a2=7f80c6223f88
> a3=0 items=0 ppid=17356 pid=17402 auid=4294967295 uid=1152 gid=100
> euid=1152 suid=1152 fsuid=1152 egid=100 sgid=100 fsgid=100
> tty=(none) ses=4294967295 comm="httpd" exe="/usr/sbin/httpd"
> subj=system_u:system_r:httpd_t:s0 key=(null)
> type=PROCTITLE msg=audit(1408653306.803:2133):
> proctitle=2F7573722F7362696E2F6874747064002D44464F524547524F554E44
> type=AVC msg=audit(1408653306.803:2134): avc: denied { write }
> for pid=17402 comm="httpd" name="ext" dev="dm-8" ino=260116
> scontext=system_u:system_r:httpd_t:s0
> tcontext=unconfined_u:object_r:httpd_sys_content_t:s0 tclass=dir
> type=SYSCALL msg=audit(1408653306.803:2134): arch=c000003e
> syscall=21 success=no exit=-13 a0=7f80d5c39120 a1=2 a2=7f80c6223f88
> a3=0 items=0 ppid=17356 pid=17402 auid=4294967295 uid=1152 gid=100
> euid=1152 suid=1152 fsuid=1152 egid=100 sgid=100 fsgid=100
> tty=(none) ses=4294967295 comm="httpd" exe="/usr/sbin/httpd"
> subj=system_u:system_r:httpd_t:s0 key=(null)
> type=PROCTITLE msg=audit(1408653306.803:2134):
> proctitle=2F7573722F7362696E2F6874747064002D44464F524547524F554E44
> type=AVC msg=audit(1408653306.803:2135): avc: denied { write }
> for pid=17402 comm="httpd" name="ext" dev="dm-8" ino=260116
> scontext=system_u:system_r:httpd_t:s0
> tcontext=unconfined_u:object_r:httpd_sys_content_t:s0 tclass=dir
> type=SYSCALL msg=audit(1408653306.803:2135): arch=c000003e
> syscall=21 success=no exit=-13 a0=7f80d5c39120 a1=2 a2=7f80c6223f88
> a3=0 items=0 ppid=17356 pid=17402 auid=4294967295 uid=1152 gid=100
> euid=1152 suid=1152 fsuid=1152 egid=100 sgid=100 fsgid=100
> tty=(none) ses=4294967295 comm="httpd" exe="/usr/sbin/httpd"
> subj=system_u:system_r:httpd_t:s0 key=(null)
> type=PROCTITLE msg=audit(1408653306.803:2135):
> proctitle=2F7573722F7362696E2F6874747064002D44464F524547524F554E44
>
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>
> Here's a couple of selinux changes I had to make to run ReviewBoard on a
> Fedora system with selinux enabled:
>
> "setsebool -P httpd_can_network_connect 1" -> This will fix the denial
> "name_connect" in your audit logs which is preventing httpd from
> communicating with memcached.
>
> I had to allow httpd to write to certain ReviewBoard directories so I
> needed to change the selinux context for those directories:
>
> "chcon -t httpd_sys_rw_content_t /var/www/reviewboard/data/"
> "chcon -t httpd_sys_rw_content_t /var/www/reviewboard/htdocs/media/ext"
> "chcon -t httpd_sys_rw_content_t /var/www/reviewboard/htdocs/static/ext"
>
> Also, for email notification to work, I needed to run the following to
> allow httpd to send emails:
>
> "setsebool -P httpd_can_sendmail on"
>
Just the context for those directories, or the recursive set?
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