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GUACAMOLE-1020: Relocate HostName conversion and clean up formatting.

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Virtually Nick
2024-10-03 14:15:37 -04:00
parent 02138fb208
commit 06786ff565
1 changed files with 14 additions and 9 deletions
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23
extensions/guacamole-auth-restrict/src/main/java/org/apache/guacamole/auth/restrict/RestrictionVerificationService.java
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@@ -135,9 +135,6 @@ public class RestrictionVerificationService {
public static RestrictionType allowedByHostRestrictions(String allowedHostsString,
String deniedHostsString, String remoteAddress) {
// Convert the string to a HostName
HostName remoteHostName = new HostName(remoteAddress);
// If attributes do not exist or are empty then the action is allowed.
if ((allowedHostsString == null || allowedHostsString.isEmpty())
&& (deniedHostsString == null || deniedHostsString.isEmpty()))
@@ -152,20 +149,28 @@ public class RestrictionVerificationService {
return RestrictionType.IMPLICIT_DENY;
}
// Convert the string to a HostName
HostName remoteHostName = new HostName(remoteAddress);
// Split denied hosts attribute and process each entry, checking them
// against the current remote address, and returning false if a match is
// found.
// against the current remote address, and returning a deny restriction
// if a match is found, or if an error occurs in processing a host in
// the list.
List<HostName> deniedHosts = HostRestrictionParser.parseHostList(deniedHostsString);
for (HostName hostName : deniedHosts) {
try {
if (hostName.isAddress() && hostName.toAddress().contains(remoteHostName.asAddress()))
return RestrictionType.EXPLICIT_DENY;
else
try {
if (hostName.isAddress()
&& hostName.toAddress().contains(remoteHostName.asAddress())) {
return RestrictionType.EXPLICIT_DENY;
}
else {
for (IPAddress currAddr : hostName.toAllAddresses())
if (currAddr.matches(remoteHostName.asAddressString()))
return RestrictionType.EXPLICIT_DENY;
}
}
catch (UnknownHostException | HostNameException e) {
LOGGER.warn("Unknown or invalid host in denied hosts list: \"{}\"", hostName);
LOGGER.debug("Exception while trying to resolve host: \"{}\"", hostName, e);