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-rw-r--r--manifests/firewall/rule.pp19
1 files changed, 18 insertions, 1 deletions
diff --git a/manifests/firewall/rule.pp b/manifests/firewall/rule.pp
index 6801dc4..816e6fe 100644
--- a/manifests/firewall/rule.pp
+++ b/manifests/firewall/rule.pp
@@ -77,8 +77,16 @@ define tripleo::firewall::rule (
$extras = {},
) {
+ if $port == 'all' {
+ warning("All ${proto} traffic will be open on this host.")
+ # undef so the IPtables rule won't have any port specified.
+ $port_real = undef
+ } else {
+ $port_real = $port
+ }
+
$basic = {
- 'port' => $port,
+ 'port' => $port_real,
'dport' => $dport,
'sport' => $sport,
'proto' => $proto,
@@ -100,6 +108,15 @@ define tripleo::firewall::rule (
$rule = merge($basic, $state_rule, $extras)
validate_hash($rule)
+ # This conditional will ensure that TCP and UDP firewall rules have
+ # a port specified in the configuration when using INPUT or OUTPUT chains.
+ # If not, the Puppet catalog will fail.
+ # If we don't do this sanity check, a user could create some TCP/UDP
+ # rules without port, and the result would be an iptables rule that allow any
+ # traffic on the host.
+ if ($proto in ['tcp', 'udp']) and (! ($port or $dport or $sport) and ($chain != 'FORWARD')) {
+ fail("${title} firewall rule cannot be created. TCP or UDP rules for INPUT or OUTPUT need port or sport or dport.")
+ }
create_resources('firewall', { "${title}" => $rule })
}