+++ /dev/null
-package PVE::Cluster::CertCache;
-
-use strict;
-use warnings;
-
-use Net::SSLeay;
-
-use PVE::Cluster;
-use PVE::SafeSyslog;
-
-# X509 Certificate cache helper
-
-my $cert_cache_nodes = {};
-my $cert_cache_timestamp = time();
-my $cert_cache_fingerprints = {};
-
-sub update_cert_cache {
- my ($update_node, $clear) = @_;
-
- syslog('info', "Clearing outdated entries from certificate cache")
- if $clear;
-
- $cert_cache_timestamp = time() if !defined($update_node);
-
- my $node_list = defined($update_node) ?
- [ $update_node ] : [ keys %$cert_cache_nodes ];
-
- foreach my $node (@$node_list) {
- my $clear_old = sub {
- if (my $old_fp = $cert_cache_nodes->{$node}) {
- # distrust old fingerprint
- delete $cert_cache_fingerprints->{$old_fp};
- # ensure reload on next proxied request
- delete $cert_cache_nodes->{$node};
- }
- };
-
- my $fp = eval { PVE::Cluster::get_node_fingerprint($node) };
- if (my $err = $@) {
- warn "$err\n";
- &$clear_old() if $clear;
- next;
- }
-
- my $old_fp = $cert_cache_nodes->{$node};
- $cert_cache_fingerprints->{$fp} = 1;
- $cert_cache_nodes->{$node} = $fp;
-
- if (defined($old_fp) && $fp ne $old_fp) {
- delete $cert_cache_fingerprints->{$old_fp};
- }
- }
-}
-
-# load and cache cert fingerprint once
-sub initialize_cert_cache {
- my ($node) = @_;
-
- update_cert_cache($node)
- if defined($node) && !defined($cert_cache_nodes->{$node});
-}
-
-sub check_cert_fingerprint {
- my ($cert) = @_;
-
- # clear cache every 30 minutes at least
- update_cert_cache(undef, 1) if time() - $cert_cache_timestamp >= 60*30;
-
- # get fingerprint of server certificate
- my $fp = Net::SSLeay::X509_get_fingerprint($cert, 'sha256');
- return 0 if !defined($fp) || $fp eq ''; # error
-
- my $check = sub {
- for my $expected (keys %$cert_cache_fingerprints) {
- return 1 if $fp eq $expected;
- }
- return 0;
- };
-
- return 1 if &$check();
-
- # clear cache and retry at most once every minute
- if (time() - $cert_cache_timestamp >= 60) {
- syslog ('info', "Could not verify remote node certificate '$fp' with list of pinned certificates, refreshing cache");
- update_cert_cache();
- return &$check();
- }
-
- return 0;
-}
-
-1;