Bug 741754

Summary: SELinux is preventing /opt/Samsung/mfp/bin/netdiscovery from 'name_connect' accesses on the tcp_socket port 427.
Product: [Fedora] Fedora Reporter: doctore
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED INSUFFICIENT_DATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: unspecified    
Version: rawhideCC: doctore, dominick.grift, dwalsh, mgrepl, szymon
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard: setroubleshoot_trace_hash:e9c14c50a821c5975bc79e6416e73ed72cc195aa13612bebcabfa7247e22473a
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-11-21 16:50:28 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description doctore 2011-09-27 20:02:32 UTC
SELinux is preventing /opt/Samsung/mfp/bin/netdiscovery from 'name_connect' accesses on the tcp_socket port 427.

*****  Plugin connect_ports (99.5 confidence) suggests  **********************

If you want to allow /opt/Samsung/mfp/bin/netdiscovery to connect to network port 427
Then you need to modify the port type.
Do
    # semanage port -a -t TYP_PORTU -p tcp 427,
    gdzie TYP_PORTU jest jednym z: ipp_port_t, dns_port_t.

*****  Plugin catchall (1.49 confidence) suggests  ***************************

If aby netdiscovery powinno mieć domyślnie name_connect dostęp do port 427 tcp_socket.
Then proszę to zgłosić jako błąd.
Można utworzyć lokalny moduł polityki, aby umożliwić ten dostęp.
Do
można tymczasowo zezwolić na ten dostęp wykonując polecenia:
# grep netdiscovery /var/log/audit/audit.log | audit2allow -M moja_polityka
# semodule -i moja_polityka.pp

Additional Information:
Source Context                system_u:system_r:colord_t:s0-s0:c0.c1023
Target Context                system_u:object_r:reserved_port_t:s0
Target Objects                port 427 [ tcp_socket ]
Source                        netdiscovery
Source Path                   /opt/Samsung/mfp/bin/netdiscovery
Port                          427
Host                          (removed)
Source RPM Packages           
Target RPM Packages           
Policy RPM                    selinux-policy-3.9.16-38.fc15
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 2.6.40.4-5.fc15.x86_64 #1 SMP
                              Tue Aug 30 14:38:32 UTC 2011 x86_64 x86_64
Alert Count                   12
First Seen                    wto, 30 sie 2011, 18:23:47
Last Seen                     wto, 27 wrz 2011, 21:56:32
Local ID                      66984452-4495-4fb3-bc13-a2fd00568dd1

Raw Audit Messages
type=AVC msg=audit(1317153392.544:36): avc:  denied  { name_connect } for  pid=1194 comm="netdiscovery" dest=427 scontext=system_u:system_r:colord_t:s0-s0:c0.c1023 tcontext=system_u:object_r:reserved_port_t:s0 tclass=tcp_socket


type=SYSCALL msg=audit(1317153392.544:36): arch=i386 syscall=getuid per=400000 success=no exit=ECONNREFUSED a0=3 a1=fff08280 a2=fff082f0 a3=3 items=0 ppid=1192 pid=1194 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=netdiscovery exe=/opt/Samsung/mfp/bin/netdiscovery subj=system_u:system_r:colord_t:s0-s0:c0.c1023 key=(null)

Hash: netdiscovery,colord_t,reserved_port_t,tcp_socket,name_connect

audit2allow

#============= colord_t ==============
allow colord_t reserved_port_t:tcp_socket name_connect;

audit2allow -R

#============= colord_t ==============
allow colord_t reserved_port_t:tcp_socket name_connect;

Comment 1 Daniel Walsh 2011-09-28 14:47:02 UTC
What is going on here?  Why is colord connecting to the nework?  What is /opt/Sambsubg/mfp/bin/netdiscovery doing?