Description of problem: When changing apache from 80 to a user specified port, setroubleshoot pops up with the avc denial. However the example commands are wrong. Version-Release number of selected component (if applicable): [pgraner@zorak ~]$ rpm -q setroubleshoot setroubleshoot-1.9.4-2.fc7 How reproducible: 100% Steps to Reproduce: 1. edit httpd.conf and change the line: Listen 80 to Listen 2112 (or any other port) 2. restart the apache service. service httpd restart 3. Watch setroubleshoot pop up. 4. Read the text. The two example commands are wrong: semanage port -L should be semanage port -l and semanage port -a -t PORT_TYPE 2112 should be semanage port -a -t PORT_TYPE -p <tcp|upd> 2112 in fact it could be a bit smarter rather than giving PORT_TYPE, it would be nice if the troubleshooter could dertermine what service was trying to access the port and in this case give the example of: semanage port -a -t http_port_t -p tcp 2112
Thanks for the report. Fixing the the -l is easy. I think we can probably map the port types, I'll look into it...
I have fixed the message to at least specify -p PROTOCOL in the upstream code. Figuring out the port type is a little more difficult, By convention there is a usually a match between types, httpd_t and httpd_port_t. So we could truncate httpd_t to httpd and check if there is a httpd_port_t, if not we go with the original message. One other problem though is that setroubleshoot currently can not run semanage or read the policy info to get this data, SELinux is preventing it.
import sys import seobject ports = seobject.portRecords().get_all() def get_port_type(setype): if setype[-2:] == "_t": setype = setype[:-2] test = "%s_port_t" % setype # Attempt to truncate "d" and see if you get match test1 = "%s_port_t" % setype[:-1] for i in ports: if ports[i][0] == test: return test if ports[i][0] == test1: return test1 return "" Will attempt to match a port type.
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