/**
* This method is used to determine if the named interface is included in the passed package
* definition. If the interface belongs to the package then a value of true is returned. If the
* interface does not belong to the package a false value is returned.
*
* <p><strong>Note: </strong>Evaluation of the interface against a package filter will only work
* if the IP is already in the database.
*
* @param iface The interface to test against the package.
* @param pkg The package to check for the inclusion of the interface.
* @return True if the interface is included in the package, false otherwise.
*/
public synchronized boolean interfaceInPackage(String iface, Package pkg) {
final InetAddress ifaceAddr = addr(iface);
ThreadCategory log = log();
boolean filterPassed = false;
// get list of IPs in this package
List<InetAddress> ipList = m_pkgIpMap.get(pkg);
if (ipList != null && ipList.size() > 0) {
filterPassed = ipList.contains(ifaceAddr);
}
if (log.isDebugEnabled())
log.debug(
"interfaceInPackage: Interface "
+ iface
+ " passed filter for package "
+ pkg.getName()
+ "?: "
+ filterPassed);
if (!filterPassed) return false;
//
// Ensure that the interface is in the specific list or
// that it is in the include range and is not excluded
//
boolean has_specific = false;
boolean has_range_include = false;
boolean has_range_exclude = false;
// if there are NO include ranges then treat act as if the user include
// the range 0.0.0.0 - 255.255.255.255
has_range_include = pkg.getIncludeRangeCount() == 0 && pkg.getSpecificCount() == 0;
for (IncludeRange rng : pkg.getIncludeRangeCollection()) {
if (isInetAddressInRange(iface, rng.getBegin(), rng.getEnd())) {
has_range_include = true;
break;
}
}
byte[] addr = toIpAddrBytes(iface);
for (String spec : pkg.getSpecificCollection()) {
byte[] speca = toIpAddrBytes(spec);
if (new ByteArrayComparator().compare(speca, addr) == 0) {
has_specific = true;
break;
}
}
Enumeration<String> eurl = pkg.enumerateIncludeUrl();
while (!has_specific && eurl.hasMoreElements()) {
has_specific = interfaceInUrl(iface, eurl.nextElement());
}
for (ExcludeRange rng : pkg.getExcludeRangeCollection()) {
if (isInetAddressInRange(iface, rng.getBegin(), rng.getEnd())) {
has_range_exclude = true;
break;
}
}
return has_specific || (has_range_include && !has_range_exclude);
}
