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policy: Allow same source and destination egress #1347

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7 changes: 5 additions & 2 deletions cilium/l7policy.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -209,8 +209,11 @@ Http::FilterHeadersStatus AccessFilter::decodeHeaders(Http::RequestHeaderMap& he
callbacks_->streamInfo(), headers);
}

allowed_ = policy_fs->enforceHTTPPolicy(conn.ref(), !config_->is_upstream_, destination_identity,
destination_port, headers, *log_entry_);
allowed_ =
dip->addressAsString() == policy_fs->pod_ip_
? true
: policy_fs->enforceHTTPPolicy(conn.ref(), !config_->is_upstream_, destination_identity,
destination_port, headers, *log_entry_);

ENVOY_CONN_LOG(
debug, "cilium.l7policy: {} ({}->{}) {} policy lookup for endpoint {} for port {}: {}",
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13 changes: 9 additions & 4 deletions cilium/network_filter.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -198,10 +198,15 @@ Network::FilterStatus Instance::onNewConnection() {
destination_identity, dst_address, &config_->time_source_);

bool use_proxy_lib;
if (!policy_fs->enforceNetworkPolicy(conn, destination_identity, destination_port_, sni,
use_proxy_lib, l7proto_, log_entry_)) {
ENVOY_CONN_LOG(debug, "cilium.network: policy DENY on id: {} port: {} sni: \"{}\"", conn,
remote_id_, destination_port_, sni);
const bool allowed =
dip->addressAsString() == policy_fs->pod_ip_
? true
: policy_fs->enforceNetworkPolicy(conn, destination_identity, destination_port_, sni,
use_proxy_lib, l7proto_, log_entry_);
if (!allowed) {
ENVOY_CONN_LOG(debug, "cilium.network: policy DENY {}->{} on id: {} port: {} sni: \"{}\"",
conn, dip->addressAsString(), policy_fs->pod_ip_, remote_id_,
destination_port_, sni);
config_->log(log_entry_, ::cilium::EntryType::Denied);
return false;
}
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