1 package PVE
::APIServer
::AnyEvent
;
3 # Note 1: interactions with Crypt::OpenSSL::RSA
5 # Some handlers (auth_handler) use Crypt::OpenSSL::RSA, which seems to
6 # set the openssl error variable. We need to clear that here, else
7 # AnyEvent::TLS aborts the connection.
8 # Net::SSLeay::ERR_clear_error();
12 use Time
::HiRes
qw(usleep ualarm gettimeofday tv_interval);
13 use Socket
qw(IPPROTO_TCP TCP_NODELAY SOMAXCONN);
14 use POSIX
qw(strftime EINTR EAGAIN);
22 # use AnyEvent::Strict; # only use this for debugging
23 use AnyEvent
::Util
qw(guard fh_nonblocking WSAEWOULDBLOCK WSAEINPROGRESS);
36 use PVE
::APIServer
::Formatter
;
41 use HTTP
::Status
qw(:constants);
48 my $limit_max_headers = 30;
49 my $limit_max_header_size = 8*1024;
50 my $limit_max_post = 64*1024;
59 my $split_abs_uri = sub {
60 my ($abs_uri, $base_uri) = @_;
62 my ($format, $rel_uri) = $abs_uri =~ m/^\Q$base_uri\E\/+([a-z
][a-z0-9
]+)(\
/.*)?$/;
63 $rel_uri = '/' if !$rel_uri;
65 return wantarray ?
($rel_uri, $format) : $rel_uri;
69 my ($self, $reqstate) = @_;
71 my $loginfo = $reqstate->{log};
73 # like apache2 common log format
74 # LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\""
76 return if $loginfo->{written
}; # avoid duplicate logs
77 $loginfo->{written
} = 1;
79 my $peerip = $reqstate->{peer_host
} || '-';
80 my $userid = $loginfo->{userid
} || '-';
81 my $content_length = defined($loginfo->{content_length
}) ?
$loginfo->{content_length
} : '-';
82 my $code = $loginfo->{code
} || 500;
83 my $requestline = $loginfo->{requestline
} || '-';
84 my $timestr = strftime
("%d/%m/%Y:%H:%M:%S %z", localtime());
86 my $msg = "$peerip - $userid [$timestr] \"$requestline\" $code $content_length\n";
88 $self->write_log($msg);
91 sub log_aborted_request {
92 my ($self, $reqstate, $error) = @_;
94 my $r = $reqstate->{request};
95 return if !$r; # no active request
98 syslog("err
", "problem with client
$reqstate->{peer_host
}; $error");
101 $self->log_request($reqstate);
104 sub cleanup_reqstate {
107 delete $reqstate->{log};
108 delete $reqstate->{request};
109 delete $reqstate->{proto};
110 delete $reqstate->{accept_gzip};
111 delete $reqstate->{starttime};
113 if ($reqstate->{tmpfilename}) {
114 unlink $reqstate->{tmpfilename};
115 delete $reqstate->{tmpfilename};
119 sub client_do_disconnect {
120 my ($self, $reqstate) = @_;
122 cleanup_reqstate($reqstate);
124 my $shutdown_hdl = sub {
127 shutdown($hdl->{fh}, 1);
129 $hdl->on_drain(undef);
130 $hdl->on_read(undef);
134 if (my $proxyhdl = delete $reqstate->{proxyhdl}) {
135 &$shutdown_hdl($proxyhdl);
138 my $hdl = delete $reqstate->{hdl};
141 syslog('err', "detected empty handle
");
145 print "close connection
$hdl\n" if $self->{debug};
147 &$shutdown_hdl($hdl);
149 $self->{conn_count}--;
151 print "$$: CLOSE FH
" . $hdl->{fh}->fileno() . " CONN
$self->{conn_count
}\n" if $self->{debug};
154 sub finish_response {
155 my ($self, $reqstate) = @_;
157 cleanup_reqstate($reqstate);
159 my $hdl = $reqstate->{hdl};
160 return if !$hdl; # already disconnected
162 if (!$self->{end_loop} && $reqstate->{keep_alive} > 0) {
163 # print "KEEPALIVE
$reqstate->{keep_alive
}\n" if $self->{debug};
165 eval { $self->push_request_header($reqstate); };
169 $hdl->on_drain (sub {
171 $self->client_do_disconnect($reqstate);
179 my ($self, $reqstate, $resp, $mtime, $nocomp, $delay) = @_;
181 #print "$$: send response
: " . Dumper($resp);
184 $reqstate->{hdl}->timeout_reset();
185 $reqstate->{hdl}->timeout($self->{timeout});
187 $nocomp = 1 if !$self->{compression};
188 $nocomp = 1 if !$reqstate->{accept_gzip};
190 my $code = $resp->code;
191 my $msg = $resp->message || HTTP::Status::status_message($code);
192 ($msg) = $msg =~m/^(.*)$/m;
193 my $content = $resp->content;
195 if ($code =~ /^(1\d\d|[23]04)$/) {
196 # make sure content we have no content
200 $reqstate->{keep_alive} = 0 if ($code >= 400) || $self->{end_loop};
202 $reqstate->{log}->{code} = $code;
204 my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0';
205 my $res = "$proto $code $msg\015\012";
208 my $date = HTTP::Date::time2str($ctime);
209 $resp->header('Date' => $date);
211 $resp->header('Last-Modified' => HTTP::Date::time2str($mtime));
213 $resp->header('Expires' => $date);
214 $resp->header('Cache-Control' => "max-age
=0");
215 $resp->header("Pragma
", "no-cache
");
218 $resp->header('Server' => "pve-api-daemon
/3.0");
223 $content_length = length($content);
225 if (!$nocomp && ($content_length > 1024)) {
226 my $comp = Compress::Zlib::memGzip($content);
227 $resp->header('Content-Encoding', 'gzip');
229 $content_length = length($content);
231 $resp->header("Content-Length
" => $content_length);
232 $reqstate->{log}->{content_length} = $content_length;
235 $resp->remove_header("Content-Length
");
238 if ($reqstate->{keep_alive} > 0) {
239 $resp->push_header('Connection' => 'Keep-Alive');
241 $resp->header('Connection' => 'close');
244 $res .= $resp->headers_as_string("\015\012");
245 #print "SEND
(without content
) $res\n" if $self->{debug};
248 $res .= $content if $content;
250 $self->log_request($reqstate, $reqstate->{request});
252 if ($delay && $delay > 0) {
253 my $w; $w = AnyEvent->timer(after => $delay, cb => sub {
254 undef $w; # delete reference
255 $reqstate->{hdl}->push_write($res);
256 $self->finish_response($reqstate);
259 $reqstate->{hdl}->push_write($res);
260 $self->finish_response($reqstate);
265 my ($self, $reqstate, $code, $msg, $hdr, $content) = @_;
268 my $resp = HTTP::Response->new($code, $msg, $hdr, $content);
269 $self->response($reqstate, $resp);
274 my $file_extension_info = {
275 css => { ct => 'text/css' },
276 html => { ct => 'text/html' },
277 js => { ct => 'application/javascript' },
278 json => { ct => 'application/json' },
279 map => { ct => 'application/json' },
280 png => { ct => 'image/png' , nocomp => 1 },
281 ico => { ct => 'image/x-icon', nocomp => 1},
282 gif => { ct => 'image/gif', nocomp => 1},
283 svg => { ct => 'image/svg+xml' },
284 jar => { ct => 'application/java-archive', nocomp => 1},
285 woff => { ct => 'application/font-woff', nocomp => 1},
286 woff2 => { ct => 'application/font-woff2', nocomp => 1},
287 ttf => { ct => 'application/font-snft', nocomp => 1},
288 pdf => { ct => 'application/pdf', nocomp => 1},
289 epub => { ct => 'application/epub+zip', nocomp => 1},
290 mp3 => { ct => 'audio/mpeg', nocomp => 1},
291 oga => { ct => 'audio/ogg', nocomp => 1},
292 tgz => { ct => 'application/x-compressed-tar', nocomp => 1},
295 sub send_file_start {
296 my ($self, $reqstate, $download) = @_;
299 # print "SEND FILE
$filename\n";
300 # Note: aio_load() this is not really async unless we use IO::AIO!
303 my $r = $reqstate->{request};
309 if (ref($download) eq 'HASH') {
310 $fh = $download->{fh};
311 $mime = $download->{'content-type'};
313 my $filename = $download;
314 $fh = IO::File->new($filename, '<') ||
315 die "unable to
open file
'$filename' - $!\n";
317 my ($ext) = $filename =~ m/\.([^.]*)$/;
318 my $ext_info = $file_extension_info->{$ext};
320 die "unable to detect content type
" if !$ext_info;
321 $mime = $ext_info->{ct};
322 $nocomp = $ext_info->{nocomp};
325 my $stat = File::stat::stat($fh) ||
328 my $mtime = $stat->mtime;
330 if (my $ifmod = $r->header('if-modified-since')) {
331 my $iftime = HTTP::Date::str2time($ifmod);
332 if ($mtime <= $iftime) {
333 my $resp = HTTP::Response->new(304, "NOT MODIFIED
");
334 $self->response($reqstate, $resp, $mtime);
340 my $len = sysread($fh, $data, $stat->size);
341 die "got short file
\n" if !defined($len) || $len != $stat->size;
343 my $header = HTTP::Headers->new(Content_Type => $mime);
344 my $resp = HTTP::Response->new(200, "OK
", $header, $data);
345 $self->response($reqstate, $resp, $mtime, $nocomp);
348 $self->error($reqstate, 501, $err);
355 sub websocket_proxy {
356 my ($self, $reqstate, $wsaccept, $wsproto, $param) = @_;
362 my $max_payload_size = 128*1024;
365 if ($wsproto eq 'binary') {
367 } elsif ($wsproto eq 'base64') {
370 die "websocket_proxy
: unsupported protocol
'$wsproto'\n";
373 if ($param->{port}) {
374 $remhost = 'localhost';
375 $remport = $param->{port};
376 } elsif ($param->{socket}) {
378 $remport = $param->{socket};
380 die "websocket_proxy
: missing port
or socket\n";
383 tcp_connect $remhost, $remport, sub {
385 or die "connect to
'$remhost:$remport' failed
: $!";
387 print "$$: CONNECTed to
'$remhost:$remport'\n" if $self->{debug};
389 $reqstate->{proxyhdl} = AnyEvent::Handle->new(
391 rbuf_max => $max_payload_size,
392 wbuf_max => $max_payload_size*5,
397 $self->log_aborted_request($reqstate);
398 $self->client_do_disconnect($reqstate);
400 if (my $err = $@) { syslog('err', $err); }
403 my ($hdl, $fatal, $message) = @_;
405 $self->log_aborted_request($reqstate, $message);
406 $self->client_do_disconnect($reqstate);
408 if (my $err = $@) { syslog('err', "$err"); }
411 my $proxyhdlreader = sub {
414 my $len = length($hdl->{rbuf});
415 my $data = substr($hdl->{rbuf}, 0, $len > $max_payload_size ? $max_payload_size : $len, '');
421 $string = "\x82"; # binary frame
424 $string = "\x81"; # text frame
425 $payload = encode_base64($data, '');
428 my $payload_len = length($payload);
429 if ($payload_len <= 125) {
430 $string .= pack 'C', $payload_len;
431 } elsif ($payload_len <= 0xffff) {
432 $string .= pack 'C', 126;
433 $string .= pack 'n', $payload_len;
435 $string .= pack 'C', 127;
436 $string .= pack 'Q>', $payload_len;
440 $reqstate->{hdl}->push_write($string) if $reqstate->{hdl};
443 my $hdlreader = sub {
446 while (my $len = length($hdl->{rbuf})) {
449 my $hdr = unpack('C', substr($hdl->{rbuf}, 0, 1));
450 my $opcode = $hdr & 0b00001111;
451 my $fin = $hdr & 0b10000000;
453 die "received fragmented websocket frame
\n" if !$fin;
455 my $rsv = $hdr & 0b01110000;
456 die "received websocket frame with RSV flags
\n" if $rsv;
458 my $payload_len = unpack 'C', substr($hdl->{rbuf}, 1, 1);
460 my $masked = $payload_len & 0b10000000;
461 die "received unmasked websocket frame from client
\n" if !$masked;
464 $payload_len = $payload_len & 0b01111111;
465 if ($payload_len == 126) {
467 $payload_len = unpack('n', substr($hdl->{rbuf}, $offset, 2));
469 } elsif ($payload_len == 127) {
471 $payload_len = unpack('Q>', substr($hdl->{rbuf}, $offset, 8));
475 die "received too large websocket frame
(len
= $payload_len)\n"
476 if ($payload_len > $max_payload_size) || ($payload_len < 0);
478 return if $len < ($offset + 4 + $payload_len);
480 my $data = substr($hdl->{rbuf}, 0, $offset + 4 + $payload_len, ''); # now consume data
482 my @mask = (unpack('C', substr($data, $offset+0, 1)),
483 unpack('C', substr($data, $offset+1, 1)),
484 unpack('C', substr($data, $offset+2, 1)),
485 unpack('C', substr($data, $offset+3, 1)));
489 my $payload = substr($data, $offset, $payload_len);
491 for (my $i = 0; $i < $payload_len; $i++) {
492 my $d = unpack('C', substr($payload, $i, 1));
493 my $n = $d ^ $mask[$i % 4];
494 substr($payload, $i, 1, pack('C', $n));
497 $payload = decode_base64($payload) if !$binary;
499 if ($opcode == 1 || $opcode == 2) {
500 $reqstate->{proxyhdl}->push_write($payload) if $reqstate->{proxyhdl};
501 } elsif ($opcode == 8) {
502 my $statuscode = unpack ("n
", $payload);
503 print "websocket received
close. status code
: '$statuscode'\n" if $self->{debug};
504 if ($reqstate->{proxyhdl}) {
505 $reqstate->{proxyhdl}->push_shutdown();
507 $hdl->push_shutdown();
509 die "received unhandled websocket opcode
$opcode\n";
514 my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.1';
516 $reqstate->{proxyhdl}->timeout(0);
517 $reqstate->{proxyhdl}->on_read($proxyhdlreader);
518 $reqstate->{hdl}->on_read($hdlreader);
520 # todo: use stop_read/start_read if write buffer grows to much
522 my $res = "$proto 101 Switching Protocols
\015\012" .
523 "Upgrade
: websocket
\015\012" .
524 "Connection
: upgrade
\015\012" .
525 "Sec-WebSocket-Accept
: $wsaccept\015\012" .
526 "Sec-WebSocket-Protocol
: $wsproto\015\012" .
529 print $res if $self->{debug};
531 $reqstate->{hdl}->push_write($res);
534 $reqstate->{log}->{code} = 101;
535 $self->log_request($reqstate);
541 $self->log_aborted_request($reqstate, $err);
542 $self->client_do_disconnect($reqstate);
547 my ($self, $reqstate, $clientip, $host, $node, $method, $uri, $auth, $params) = @_;
552 if ($host eq 'localhost') {
553 $target = "http
://$host:85$uri";
554 # keep alive for localhost is not worth (connection setup is about 0.2ms)
556 } elsif (Net::IP::ip_is_ipv6($host)) {
557 $target = "https
://[$host]:8006$uri";
559 $target = "https
://$host:8006$uri";
563 PVEDisableProxy => 'true',
564 PVEClientIP => $clientip,
567 $headers->{'cookie'} = PVE::APIServer::Formatter::create_auth_cookie($auth->{ticket}, $self->{cookie_name})
569 $headers->{'Authorization'} = PVE::APIServer::Formatter::create_auth_header($auth->{api_token}, $self->{apitoken_name})
570 if $auth->{api_token};
571 $headers->{'CSRFPreventionToken'} = $auth->{token}
573 $headers->{'Accept-Encoding'} = 'gzip' if ($reqstate->{accept_gzip} && $self->{compression});
575 if (defined(my $host = $reqstate->{request}->header('Host'))) {
576 $headers->{Host} = $host;
581 if ($method eq 'POST' || $method eq 'PUT') {
582 $headers->{'Content-Type'} = 'application/x-www-form-urlencoded';
583 # use URI object to format application/x-www-form-urlencoded content.
584 my $url = URI->new('http:');
585 $url->query_form(%$params);
586 $content = $url->query;
587 if (defined($content)) {
588 $headers->{'Content-Length'} = length($content);
593 # TLS 1.x only, with certificate pinning
599 my (undef, undef, undef, $depth, undef, undef, $cert) = @_;
600 # we don't care about intermediate or root certificates
601 return 1 if $depth != 0;
602 # check server certificate against cache of pinned FPs
603 return $self->check_cert_fingerprint($cert);
607 # load and cache cert fingerprint if first time we proxy to this node
608 $self->initialize_cert_cache($node);
610 my $w; $w = http_request(
615 proxy => undef, # avoid use of $ENV{HTTP_PROXY}
616 keepalive => $keep_alive,
618 tls_ctx => AnyEvent::TLS->new(%{$tls}),
620 my ($body, $hdr) = @_;
624 if (!$reqstate->{hdl}) {
625 warn "proxy detected vanished client connection
\n";
630 my $code = delete $hdr->{Status};
631 my $msg = delete $hdr->{Reason};
633 delete $hdr->{HTTPVersion};
634 my $header = HTTP::Headers->new(%$hdr);
635 if (my $location = $header->header('Location')) {
636 $location =~ s|^http://localhost:85||;
637 $header->header(Location => $location);
639 my $resp = HTTP::Response->new($code, $msg, $header, $body);
640 # Note: disable compression, because body is already compressed
641 $self->response($reqstate, $resp, undef, 1);
649 # return arrays as \0 separated strings (like CGI.pm)
650 # assume data is UTF8 encoded
651 sub decode_urlencoded {
656 return $res if !$data;
658 foreach my $kv (split(/[\&\;]/, $data)) {
659 my ($k, $v) = split(/=/, $kv);
661 $k =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg;
665 $v =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg;
667 $v = Encode::decode('utf8', $v);
669 if (defined(my $old = $res->{$k})) {
680 my ($r, $method) = @_;
684 if ($method eq 'PUT' || $method eq 'POST') {
685 $params = decode_urlencoded($r->content);
688 my $query_params = decode_urlencoded($r->url->query());
690 foreach my $k (keys %{$query_params}) {
691 $params->{$k} = $query_params->{$k};
697 sub handle_api2_request {
698 my ($self, $reqstate, $auth, $method, $path, $upload_state) = @_;
701 my $r = $reqstate->{request};
703 my ($rel_uri, $format) = &$split_abs_uri($path, $self->{base_uri});
705 my $formatter = PVE::APIServer::Formatter::get_formatter($format, $method, $rel_uri);
707 if (!defined($formatter)) {
708 $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no formatter
for uri
$rel_uri, $format");
712 #print Dumper($upload_state) if $upload_state;
717 $params = $upload_state->{params};
719 $params = extract_params($r, $method);
722 delete $params->{_dc}; # remove disable cache parameter
724 my $clientip = $reqstate->{peer_host};
726 my $res = $self->rest_handler($clientip, $method, $rel_uri, $auth, $params, $format);
729 Net::SSLeay::ERR_clear_error();
731 AnyEvent->now_update(); # in case somebody called sleep()
733 my $upgrade = $r->header('upgrade');
734 $upgrade = lc($upgrade) if $upgrade;
736 if (my $host = $res->{proxy}) {
738 if ($self->{trusted_env}) {
739 $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy
not allowed
");
743 if ($host ne 'localhost' && $r->header('PVEDisableProxy')) {
744 $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy
loop detected
");
748 $res->{proxy_params}->{tmpfilename} = $reqstate->{tmpfilename} if $upload_state;
750 $self->proxy_request($reqstate, $clientip, $host, $res->{proxynode}, $method,
751 $r->uri, $auth, $res->{proxy_params});
754 } elsif ($upgrade && ($method eq 'GET') && ($path =~ m|websocket$|)) {
755 die "unable to upgrade to protocol
'$upgrade'\n" if !$upgrade || ($upgrade ne 'websocket');
756 my $wsver = $r->header('sec-websocket-version');
757 die "unsupported websocket-version
'$wsver'\n" if !$wsver || ($wsver ne '13');
758 my $wsproto_str = $r->header('sec-websocket-protocol');
759 die "missing websocket-protocol header
" if !$wsproto_str;
761 foreach my $p (PVE::Tools::split_list($wsproto_str)) {
762 $wsproto = $p if !$wsproto && $p eq 'base64';
763 $wsproto = $p if $p eq 'binary';
765 die "unsupported websocket-protocol protocol
'$wsproto_str'\n" if !$wsproto;
766 my $wskey = $r->header('sec-websocket-key');
767 die "missing websocket-key
\n" if !$wskey;
768 # Note: Digest::SHA::sha1_base64 has wrong padding
769 my $wsaccept = Digest::SHA::sha1_base64("${wskey
}258EAFA5-E914-47DA-95CA-C5AB0DC85B11
") . "=";
770 if ($res->{status} == HTTP_OK) {
771 $self->websocket_proxy($reqstate, $wsaccept, $wsproto, $res->{data});
777 if ($res->{status} == HTTP_UNAUTHORIZED) {
778 # always delay unauthorized calls by 3 seconds
779 $delay = 3 - tv_interval($reqstate->{starttime});
780 $delay = 0 if $delay < 0;
783 if (defined(my $download = $res->{download})) {
784 send_file_start($self, $reqstate, $download);
788 my ($raw, $ct, $nocomp) = $formatter->($res, $res->{data}, $params, $path,
789 $auth, $self->{formatter_config});
792 if (ref($raw) && (ref($raw) eq 'HTTP::Response')) {
795 $resp = HTTP::Response->new($res->{status}, $res->{message});
796 $resp->header("Content-Type
" => $ct);
797 $resp->content($raw);
799 $self->response($reqstate, $resp, undef, $nocomp, $delay);
802 $self->error($reqstate, 501, $err);
806 sub handle_spice_proxy_request {
807 my ($self, $reqstate, $connect_str, $vmid, $node, $spiceport) = @_;
811 die "Port
$spiceport is not allowed
" if ($spiceport < 61000 || $spiceport > 61099);
813 my $clientip = $reqstate->{peer_host};
814 my $r = $reqstate->{request};
818 if ($node ne 'localhost' && PVE::INotify::nodename() !~ m/^$node$/i) {
819 $remip = $self->remote_node_ip($node);
820 print "REMOTE CONNECT
$vmid, $remip, $connect_str\n" if $self->{debug};
822 print "$$: CONNECT
$vmid, $node, $spiceport\n" if $self->{debug};
825 if ($remip && $r->header('PVEDisableProxy')) {
826 $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy
loop detected
");
830 $reqstate->{hdl}->timeout(0);
831 $reqstate->{hdl}->wbuf_max(64*10*1024);
833 my $remhost = $remip ? $remip : "localhost
";
834 my $remport = $remip ? 3128 : $spiceport;
836 tcp_connect $remhost, $remport, sub {
838 or die "connect to
'$remhost:$remport' failed
: $!";
840 print "$$: CONNECTed to
'$remhost:$remport'\n" if $self->{debug};
841 $reqstate->{proxyhdl} = AnyEvent::Handle->new(
844 wbuf_max => 64*10*1024,
849 $self->log_aborted_request($reqstate);
850 $self->client_do_disconnect($reqstate);
852 if (my $err = $@) { syslog('err', $err); }
855 my ($hdl, $fatal, $message) = @_;
857 $self->log_aborted_request($reqstate, $message);
858 $self->client_do_disconnect($reqstate);
860 if (my $err = $@) { syslog('err', "$err"); }
864 my $proxyhdlreader = sub {
867 my $len = length($hdl->{rbuf});
868 my $data = substr($hdl->{rbuf}, 0, $len, '');
870 #print "READ1
$len\n";
871 $reqstate->{hdl}->push_write($data) if $reqstate->{hdl};
874 my $hdlreader = sub {
877 my $len = length($hdl->{rbuf});
878 my $data = substr($hdl->{rbuf}, 0, $len, '');
880 #print "READ0
$len\n";
881 $reqstate->{proxyhdl}->push_write($data) if $reqstate->{proxyhdl};
884 my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0';
886 my $startproxy = sub {
887 $reqstate->{proxyhdl}->timeout(0);
888 $reqstate->{proxyhdl}->on_read($proxyhdlreader);
889 $reqstate->{hdl}->on_read($hdlreader);
891 # todo: use stop_read/start_read if write buffer grows to much
893 # a response must be followed by an empty line
894 my $res = "$proto 200 OK
\015\012\015\012";
895 $reqstate->{hdl}->push_write($res);
898 $reqstate->{log}->{code} = 200;
899 $self->log_request($reqstate);
903 my $header = "CONNECT
${connect_str
} $proto\015\012" .
904 "Host
: ${connect_str
}\015\012" .
905 "Proxy-Connection
: keep-alive
\015\012" .
906 "User-Agent
: spiceproxy
\015\012" .
907 "PVEDisableProxy
: true
\015\012" .
908 "PVEClientIP
: $clientip\015\012" .
911 $reqstate->{proxyhdl}->push_write($header);
912 $reqstate->{proxyhdl}->push_read(line => sub {
913 my ($hdl, $line) = @_;
915 if ($line =~ m!^$proto 200 OK$!) {
916 # read the empty line after the 200 OK
917 $reqstate->{proxyhdl}->unshift_read(line => sub{
921 $reqstate->{hdl}->push_write($line);
922 $self->client_do_disconnect($reqstate);
933 $self->log_aborted_request($reqstate, $err);
934 $self->client_do_disconnect($reqstate);
939 my ($self, $reqstate, $auth, $method, $path) = @_;
941 my $base_uri = $self->{base_uri};
944 my $r = $reqstate->{request};
946 # disable timeout on handle (we already have all data we need)
947 # we re-enable timeout in response()
948 $reqstate->{hdl}->timeout(0);
950 if ($path =~ m/^\Q$base_uri\E/) {
951 $self->handle_api2_request($reqstate, $auth, $method, $path);
955 if ($self->{pages} && ($method eq 'GET') && (my $handler = $self->{pages}->{$path})) {
956 if (ref($handler) eq 'CODE') {
957 my $params = decode_urlencoded($r->url->query());
958 my ($resp, $userid) = &$handler($self, $reqstate->{request}, $params);
960 Net::SSLeay::ERR_clear_error();
961 $self->response($reqstate, $resp);
962 } elsif (ref($handler) eq 'HASH') {
963 if (my $filename = $handler->{file}) {
964 my $fh = IO::File->new($filename) ||
965 die "unable to
open file
'$filename' - $!\n";
966 send_file_start($self, $reqstate, $filename);
968 die "internal error
- no handler
";
971 die "internal error
- no handler
";
976 if ($self->{dirs} && ($method eq 'GET')) {
977 # we only allow simple names
978 if ($path =~ m!^(/\S+/)([a-zA-Z0-9\-\_\.]+)$!) {
979 my ($subdir, $file) = ($1, $2);
980 if (my $dir = $self->{dirs}->{$subdir}) {
981 my $filename = "$dir$file";
982 my $fh = IO::File->new($filename) ||
983 die "unable to
open file
'$filename' - $!\n";
984 send_file_start($self, $reqstate, $filename);
990 die "no such file
'$path'\n";
993 $self->error($reqstate, 501, $err);
997 sub file_upload_multipart {
998 my ($self, $reqstate, $auth, $method, $path, $rstate) = @_;
1001 my $boundary = $rstate->{boundary};
1002 my $hdl = $reqstate->{hdl};
1004 my $startlen = length($hdl->{rbuf});
1006 if ($rstate->{phase} == 0) { # skip everything until start
1007 if ($hdl->{rbuf} =~ s/^.*?--\Q$boundary\E \015?\012
1008 ((?:[^\015]+\015\012)* ) \015?\012//xs) {
1010 my ($ct, $disp, $name, $filename);
1011 foreach my $line (split(/\015?\012/, $header)) {
1012 # assume we have single line headers
1013 if ($line =~ m/^Content-Type\s*:\s*(.*)/i) {
1014 $ct = parse_content_type($1);
1015 } elsif ($line =~ m/^Content-Disposition\s*:\s*(.*)/i) {
1016 ($disp, $name, $filename) = parse_content_disposition($1);
1020 if (!($disp && $disp eq 'form-data' && $name)) {
1021 syslog('err', "wrong content disposition
in multipart
- abort upload
");
1022 $rstate->{phase} = -1;
1025 $rstate->{fieldname} = $name;
1028 if ($name eq 'filename') {
1029 # found file upload data
1030 $rstate->{phase} = 1;
1031 $rstate->{filename} = $filename;
1033 syslog('err', "wrong field name
for file upload
- abort upload
");
1034 $rstate->{phase} = -1;
1037 # found form data for field $name
1038 $rstate->{phase} = 2;
1042 my $len = length($hdl->{rbuf});
1043 substr($hdl->{rbuf}, 0, $len - $rstate->{maxheader}, '')
1044 if $len > $rstate->{maxheader}; # skip garbage
1046 } elsif ($rstate->{phase} == 1) { # inside file - dump until end marker
1047 if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) {
1048 my ($rest, $eof) = ($1, $3);
1049 my $len = length($rest);
1050 die "write to temporary file failed
- $!"
1051 if syswrite($rstate->{outfh}, $rest) != $len;
1052 $rstate->{ctx}->add($rest);
1053 $rstate->{params}->{filename} = $rstate->{filename};
1054 $rstate->{md5sum} = $rstate->{ctx}->hexdigest;
1055 $rstate->{bytes} += $len;
1056 $rstate->{phase} = $eof ? 100 : 0;
1058 my $len = length($hdl->{rbuf});
1059 my $wlen = $len - $rstate->{boundlen};
1061 my $data = substr($hdl->{rbuf}, 0, $wlen, '');
1062 die "write to temporary file failed
- $!"
1063 if syswrite($rstate->{outfh}, $data) != $wlen;
1064 $rstate->{bytes} += $wlen;
1065 $rstate->{ctx}->add($data);
1068 } elsif ($rstate->{phase} == 2) { # inside normal field
1070 if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) {
1071 my ($rest, $eof) = ($1, $3);
1072 my $len = length($rest);
1073 $rstate->{post_size} += $len;
1074 if ($rstate->{post_size} < $limit_max_post) {
1075 $rstate->{params}->{$rstate->{fieldname}} = $rest;
1076 $rstate->{phase} = $eof ? 100 : 0;
1078 syslog('err', "form data to large
- abort upload
");
1079 $rstate->{phase} = -1; # skip
1083 my $len = length($hdl->{rbuf});
1084 substr($hdl->{rbuf}, 0, $len, ''); # empty rbuf
1087 $rstate->{read} += ($startlen - length($hdl->{rbuf}));
1089 if (!$rstate->{done} && ($rstate->{read} + length($hdl->{rbuf})) >= $rstate->{size}) {
1090 $rstate->{done} = 1; # make sure we dont get called twice
1091 if ($rstate->{phase} < 0 || !$rstate->{md5sum}) {
1092 die "upload failed
\n";
1094 my $elapsed = tv_interval($rstate->{starttime});
1096 my $rate = int($rstate->{bytes}/($elapsed*1024*1024));
1097 syslog('info', "multipart upload complete
" .
1098 "(size
: %d time: %ds rate
: %.2fMiB
/s md5sum
: $rstate->{md5sum
})",
1099 $rstate->{bytes}, $elapsed, $rate);
1100 $self->handle_api2_request($reqstate, $auth, $method, $path, $rstate);
1105 syslog('err', $err);
1106 $self->error($reqstate, 501, $err);
1110 sub parse_content_type {
1113 my ($ct, @params) = split(/\s*[;,]\s*/o, $ctype);
1115 foreach my $v (@params) {
1116 if ($v =~ m/^\s*boundary\s*=\s*(\S+?)\s*$/o) {
1117 return wantarray ? ($ct, $1) : $ct;
1121 return wantarray ? ($ct) : $ct;
1124 sub parse_content_disposition {
1127 my ($disp, @params) = split(/\s*[;,]\s*/o, $line);
1131 foreach my $v (@params) {
1132 if ($v =~ m/^\s*name\s*=\s*(\S+?)\s*$/o) {
1134 $name =~ s/^"(.*)"$/$1/;
1135 } elsif ($v =~ m/^\s*filename\s*=\s*(.+?)\s*$/o) {
1137 $filename =~ s/^"(.*)"$/$1/;
1141 return wantarray ? ($disp, $name, $filename) : $disp;
1144 my $tmpfile_seq_no = 0;
1146 sub get_upload_filename {
1147 # choose unpredictable tmpfile name
1150 return "/var/tmp
/pveupload-
" . Digest::MD5::md5_hex($tmpfile_seq_no . time() . $$);
1153 sub unshift_read_header {
1154 my ($self, $reqstate, $state) = @_;
1156 $state = { size => 0, count => 0 } if !$state;
1158 $reqstate->{hdl}->unshift_read(line => sub {
1159 my ($hdl, $line) = @_;
1162 # print "$$: got header
: $line\n" if $self->{debug};
1164 die "to many http header lines
\n" if ++$state->{count} >= $limit_max_headers;
1165 die "http header too large
\n" if ($state->{size} += length($line)) >= $limit_max_header_size;
1167 my $r = $reqstate->{request};
1170 my $path = uri_unescape($r->uri->path());
1171 my $method = $r->method();
1173 $r->push_header($state->{key}, $state->{val})
1176 if (!$known_methods->{$method}) {
1177 my $resp = HTTP::Response->new(HTTP_NOT_IMPLEMENTED, "method '$method' not available
");
1178 $self->response($reqstate, $resp);
1182 my $conn = $r->header('Connection');
1183 my $accept_enc = $r->header('Accept-Encoding');
1184 $reqstate->{accept_gzip} = ($accept_enc && $accept_enc =~ m/gzip/) ? 1 : 0;
1187 $reqstate->{keep_alive} = 0 if $conn =~ m/close/oi;
1189 if ($reqstate->{proto}->{ver} < 1001) {
1190 $reqstate->{keep_alive} = 0;
1194 my $te = $r->header('Transfer-Encoding');
1195 if ($te && lc($te) eq 'chunked') {
1196 # Handle chunked transfer encoding
1197 $self->error($reqstate, 501, "chunked transfer encoding
not supported
");
1200 $self->error($reqstate, 501, "Unknown transfer encoding
'$te'");
1204 my $pveclientip = $r->header('PVEClientIP');
1205 my $base_uri = $self->{base_uri};
1207 # fixme: how can we make PVEClientIP header trusted?
1208 if ($self->{trusted_env} && $pveclientip) {
1209 $reqstate->{peer_host} = $pveclientip;
1211 $r->header('PVEClientIP', $reqstate->{peer_host});
1214 my $len = $r->header('Content-Length');
1216 my $host_header = $r->header('Host');
1217 if (my $rpcenv = $self->{rpcenv}) {
1218 $rpcenv->set_request_host($host_header);
1221 # header processing complete - authenticate now
1224 if ($self->{spiceproxy}) {
1225 my $connect_str = $host_header;
1226 my ($vmid, $node, $port) = $self->verify_spice_connect_url($connect_str);
1227 if (!(defined($vmid) && $node && $port)) {
1228 $self->error($reqstate, HTTP_UNAUTHORIZED, "invalid ticket
");
1231 $self->handle_spice_proxy_request($reqstate, $connect_str, $vmid, $node, $port);
1233 } elsif ($path =~ m/^\Q$base_uri\E/) {
1234 my $token = $r->header('CSRFPreventionToken');
1235 my $cookie = $r->header('Cookie');
1236 my $auth_header = $r->header('Authorization');
1238 # prefer actual cookie
1239 my $ticket = PVE::APIServer::Formatter::extract_auth_value($cookie, $self->{cookie_name});
1241 # fallback to cookie in 'Authorization' header
1242 $ticket = PVE::APIServer::Formatter::extract_auth_value($auth_header, $self->{cookie_name})
1245 # finally, fallback to API token if no ticket has been provided so far
1247 $api_token = PVE::APIServer::Formatter::extract_auth_value($auth_header, $self->{apitoken_name})
1250 my ($rel_uri, $format) = &$split_abs_uri($path, $self->{base_uri});
1252 $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri
");
1257 $auth = $self->auth_handler($method, $rel_uri, $ticket, $token, $api_token,
1258 $reqstate->{peer_host});
1262 Net::SSLeay::ERR_clear_error();
1263 # always delay unauthorized calls by 3 seconds
1266 if (ref($err) eq "PVE
::Exception
") {
1268 $err->{code} ||= HTTP_INTERNAL_SERVER_ERROR,
1269 my $resp = HTTP::Response->new($err->{code}, $err->{msg});
1270 $self->response($reqstate, $resp, undef, 0, $delay);
1272 } elsif (my $formatter = PVE::APIServer::Formatter::get_login_formatter($format)) {
1273 my ($raw, $ct, $nocomp) =
1274 $formatter->($path, $auth, $self->{formatter_config});
1276 if (ref($raw) && (ref($raw) eq 'HTTP::Response')) {
1279 $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, "Login Required
");
1280 $resp->header("Content-Type
" => $ct);
1281 $resp->content($raw);
1283 $self->response($reqstate, $resp, undef, $nocomp, $delay);
1285 my $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, $err);
1286 $self->response($reqstate, $resp, undef, 0, $delay);
1292 $reqstate->{log}->{userid} = $auth->{userid};
1296 if (!($method eq 'PUT' || $method eq 'POST')) {
1297 $self->error($reqstate, 501, "Unexpected content
for method '$method'");
1301 my $ctype = $r->header('Content-Type');
1302 my ($ct, $boundary) = parse_content_type($ctype) if $ctype;
1304 if ($auth->{isUpload} && !$self->{trusted_env}) {
1305 die "upload
'Content-Type '$ctype' not implemented\n"
1306 if !($boundary && $ct && ($ct eq 'multipart
/form-data
'));
1308 die "upload without content length header not supported" if !$len;
1310 die "upload without content length header not supported" if !$len;
1312 print "start upload $path $ct $boundary\n" if $self->{debug};
1314 my $tmpfilename = get_upload_filename();
1315 my $outfh = IO::File->new($tmpfilename, O_RDWR|O_CREAT|O_EXCL, 0600) ||
1316 die "unable to create temporary upload file '$tmpfilename'";
1318 $reqstate->{keep_alive} = 0;
1320 my $boundlen = length($boundary) + 8; # \015?\012--$boundary--\015?\012
1324 boundary => $boundary,
1325 ctx => Digest::MD5->new,
1326 boundlen => $boundlen,
1327 maxheader => 2048 + $boundlen, # should be large enough
1328 params => decode_urlencoded($r->url->query()),
1332 starttime => [gettimeofday],
1335 $reqstate->{tmpfilename} = $tmpfilename;
1336 $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $method, $path, $state); });
1340 if ($len > $limit_max_post) {
1341 $self->error($reqstate, 501, "for data too large");
1345 if (!$ct || $ct eq 'application
/x-www-form-urlencoded
') {
1346 $reqstate->{hdl}->unshift_read(chunk => $len, sub {
1347 my ($hdl, $data) = @_;
1349 $self->handle_request($reqstate, $auth, $method, $path);
1352 $self->error($reqstate, 506, "upload 'Content-Type
'$ctype' not implemented
");
1355 $self->handle_request($reqstate, $auth, $method, $path);
1357 } elsif ($line =~ /^([^:\s]+)\s*:\s*(.*)/) {
1358 $r->push_header($state->{key}, $state->{val}) if $state->{key};
1359 ($state->{key}, $state->{val}) = ($1, $2);
1360 $self->unshift_read_header($reqstate, $state);
1361 } elsif ($line =~ /^\s+(.*)/) {
1362 $state->{val} .= " $1";
1363 $self->unshift_read_header($reqstate, $state);
1365 $self->error($reqstate, 506, "unable to parse request header
");
1372 sub push_request_header {
1373 my ($self, $reqstate) = @_;
1376 $reqstate->{hdl}->push_read(line => sub {
1377 my ($hdl, $line) = @_;
1380 # print "got request header
: $line\n" if $self->{debug};
1382 $reqstate->{keep_alive}--;
1384 if ($line =~ /(\S+)\040(\S+)\040HTTP\/(\d+)\.(\d+)/o) {
1385 my ($method, $url, $maj, $min) = ($1, $2, $3, $4);
1388 $self->error($reqstate, 506, "http protocol version
$maj.$min not supported
");
1392 $self->{request_count}++; # only count valid request headers
1393 if ($self->{request_count} >= $self->{max_requests}) {
1394 $self->{end_loop} = 1;
1396 $reqstate->{log} = { requestline => $line };
1397 $reqstate->{proto}->{str} = "HTTP
/$maj.$min";
1398 $reqstate->{proto}->{maj} = $maj;
1399 $reqstate->{proto}->{min} = $min;
1400 $reqstate->{proto}->{ver} = $maj*1000+$min;
1401 $reqstate->{request} = HTTP::Request->new($method, $url);
1402 $reqstate->{starttime} = [gettimeofday],
1404 $self->unshift_read_header($reqstate);
1405 } elsif ($line eq '') {
1406 # ignore empty lines before requests (browser bugs?)
1407 $self->push_request_header($reqstate);
1409 $self->error($reqstate, 400, 'bad request');
1423 return if $self->{end_loop};
1425 # we need to m make sure that only one process calls accept
1426 while (!flock($self->{lockfh}, Fcntl::LOCK_EX())) {
1427 next if $! == EINTR;
1428 die "could
not get
lock on file
'$self->{lockfile}' - $!\n";
1434 while (!$self->{end_loop} &&
1435 !defined($clientfh = $self->{socket}->accept()) &&
1438 if ($self->{end_loop}) {
1441 $again = ($! == EAGAIN || $! == WSAEWOULDBLOCK);
1442 if (!defined($clientfh)) {
1443 $errmsg = "failed to
accept connection
: $!\n";
1449 flock($self->{lockfh}, Fcntl::LOCK_UN());
1451 if (!defined($clientfh)) {
1453 die $errmsg if $errmsg;
1456 fh_nonblocking $clientfh, 1;
1458 $self->{conn_count}++;
1466 $self->{end_loop} = 1;
1468 undef $self->{socket_watch};
1470 $0 = "$0 (shutdown)" if $0 !~ m/\(shutdown\)$/;
1472 if ($self->{conn_count} <= 0) {
1473 $self->{end_cond}->send(1);
1477 # fork and exit, so that parent starts a new worker
1482 # else we need to wait until all open connections gets closed
1483 my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub {
1485 # todo: test for active connections instead (we can abort idle connections)
1486 if ($self->{conn_count} <= 0) {
1488 $self->{end_cond}->send(1);
1496 sub check_host_access {
1497 my ($self, $clientip) = @_;
1499 my $cip = Net::IP->new($clientip);
1501 my $match_allow = 0;
1504 if ($self->{allow_from}) {
1505 foreach my $t (@{$self->{allow_from}}) {
1506 if ($t->overlaps($cip)) {
1513 if ($self->{deny_from}) {
1514 foreach my $t (@{$self->{deny_from}}) {
1515 if ($t->overlaps($cip)) {
1522 if ($match_allow == $match_deny) {
1523 # match both allow and deny, or no match
1524 return $self->{policy} && $self->{policy} eq 'allow' ? 1 : 0;
1527 return $match_allow;
1530 sub accept_connections {
1535 while (my $clientfh = $self->accept()) {
1537 my $reqstate = { keep_alive => $self->{keep_alive} };
1539 # stop keep-alive when there are many open connections
1540 if ($self->{conn_count} >= $self->{max_conn_soft_limit}) {
1541 $reqstate->{keep_alive} = 0;
1544 if (my $sin = getpeername($clientfh)) {
1545 my ($pfamily, $pport, $phost) = PVE::Tools::unpack_sockaddr_in46($sin);
1546 ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntop($pfamily, $phost));
1549 if (!$self->{trusted_env} && !$self->check_host_access($reqstate->{peer_host})) {
1550 print "$$: ABORT request from
$reqstate->{peer_host
} - access denied
\n" if $self->{debug};
1551 $reqstate->{log}->{code} = 403;
1552 $self->log_request($reqstate);
1556 $reqstate->{hdl} = AnyEvent::Handle->new(
1558 rbuf_max => 64*1024,
1559 timeout => $self->{timeout},
1560 linger => 0, # avoid problems with ssh - really needed ?
1564 $self->log_aborted_request($reqstate);
1565 $self->client_do_disconnect($reqstate);
1567 if (my $err = $@) { syslog('err', $err); }
1570 my ($hdl, $fatal, $message) = @_;
1572 $self->log_aborted_request($reqstate, $message);
1573 $self->client_do_disconnect($reqstate);
1575 if (my $err = $@) { syslog('err', "$err"); }
1577 ($self->{tls_ctx} ? (tls => "accept", tls_ctx => $self->{tls_ctx}) : ()));
1579 print "$$: ACCEPT FH
" . $clientfh->fileno() . " CONN
$self->{conn_count
}\n" if $self->{debug};
1581 $self->push_request_header($reqstate);
1586 syslog('err', $err);
1587 $self->{end_loop} = 1;
1590 $self->wait_end_loop() if $self->{end_loop};
1593 # Note: We can't open log file in non-blocking mode and use AnyEvent::Handle,
1594 # because we write from multiple processes, and that would arbitrarily mix output
1596 sub open_access_log {
1597 my ($self, $filename) = @_;
1599 my $old_mask = umask(0137);;
1600 my $logfh = IO::File->new($filename, ">>") ||
1601 die "unable to
open log file
'$filename' - $!\n";
1604 $logfh->autoflush(1);
1606 $self->{logfh} = $logfh;
1610 my ($self, $data) = @_;
1612 return if !defined($self->{logfh}) || !$data;
1614 my $res = $self->{logfh}->print($data);
1617 delete $self->{logfh};
1618 syslog('err', "error writing access
log");
1619 $self->{end_loop} = 1; # terminate asap
1623 sub atfork_handler {
1627 # something else do to ?
1628 close($self->{socket});
1636 $self->{end_cond}->recv;
1640 my ($this, %args) = @_;
1642 my $class = ref($this) || $this;
1644 foreach my $req (qw(socket lockfh lockfile)) {
1645 die "misssing required argument '$req'" if !defined($args{$req});
1648 my $self = bless { %args }, $class;
1650 $self->{cookie_name
} //= 'PVEAuthCookie';
1651 $self->{apitoken_name
} //= 'PVEAPIToken';
1652 $self->{base_uri
} //= "/api2";
1653 $self->{dirs
} //= {};
1654 $self->{title
} //= 'API Inspector';
1655 $self->{compression
} //= 1;
1657 # formatter_config: we pass some configuration values to the Formatter
1658 $self->{formatter_config
} = {};
1659 foreach my $p (qw(apitoken_name cookie_name base_uri title)) {
1660 $self->{formatter_config
}->{$p} = $self->{$p};
1662 $self->{formatter_config
}->{csrfgen_func
} =
1663 $self->can('generate_csrf_prevention_token');
1665 # add default dirs which includes jquery and bootstrap
1666 my $jsbase = '/usr/share/javascript';
1667 add_dirs
($self->{dirs
}, '/js/' => "$jsbase/");
1668 # libjs-bootstrap uses symlinks for this, which we do not want to allow..
1669 my $glyphicons = '/usr/share/fonts/truetype/glyphicons/';
1670 add_dirs
($self->{dirs
}, '/js/bootstrap/fonts/' => "$glyphicons");
1673 PVE
::INotify
::inotify_init
();
1675 fh_nonblocking
($self->{socket}, 1);
1677 $self->{end_loop
} = 0;
1678 $self->{conn_count
} = 0;
1679 $self->{request_count
} = 0;
1680 $self->{timeout
} = 5 if !$self->{timeout
};
1681 $self->{keep_alive
} = 0 if !defined($self->{keep_alive
});
1682 $self->{max_conn
} = 800 if !$self->{max_conn
};
1683 $self->{max_requests
} = 8000 if !$self->{max_requests
};
1685 $self->{policy
} = 'allow' if !$self->{policy
};
1687 $self->{end_cond
} = AnyEvent-
>condvar;
1690 my $ssl_defaults = {
1691 # Note: older versions are considered insecure, for example
1692 # search for "Poodle"-Attack
1696 cipher_list
=> 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256',
1697 honor_cipher_order
=> 1,
1700 foreach my $k (keys %$ssl_defaults) {
1701 $self->{ssl
}->{$k} //= $ssl_defaults->{$k};
1704 if (!defined($self->{ssl
}->{dh_file
})) {
1705 $self->{ssl
}->{dh
} = 'skip2048';
1708 my $tls_ctx_flags = &Net
::SSLeay
::OP_NO_COMPRESSION
| &Net
::SSLeay
::OP_SINGLE_ECDH_USE
| &Net
::SSLeay
::OP_SINGLE_DH_USE
;
1709 if ( delete $self->{ssl
}->{honor_cipher_order
} ) {
1710 $tls_ctx_flags |= &Net
::SSLeay
::OP_CIPHER_SERVER_PREFERENCE
;
1713 $self->{tls_ctx
} = AnyEvent
::TLS-
>new(%{$self->{ssl
}});
1714 Net
::SSLeay
::CTX_set_options
($self->{tls_ctx
}->{ctx
}, $tls_ctx_flags);
1717 if ($self->{spiceproxy
}) {
1718 $known_methods = { CONNECT
=> 1 };
1721 $self->open_access_log($self->{logfile
}) if $self->{logfile
};
1723 $self->{max_conn_soft_limit
} = $self->{max_conn
} > 100 ?
$self->{max_conn
} - 20 : $self->{max_conn
};
1725 $self->{socket_watch
} = AnyEvent-
>io(fh
=> $self->{socket}, poll
=> 'r', cb
=> sub {
1727 if ($self->{conn_count
} >= $self->{max_conn
}) {
1728 my $w; $w = AnyEvent-
>timer (after
=> 1, interval
=> 1, cb
=> sub {
1729 if ($self->{conn_count
} < $self->{max_conn
}) {
1731 $self->accept_connections();
1735 $self->accept_connections();
1741 $self->{term_watch
} = AnyEvent-
>signal(signal
=> "TERM", cb
=> sub {
1742 undef $self->{term_watch
};
1743 $self->wait_end_loop();
1746 $self->{quit_watch
} = AnyEvent-
>signal(signal
=> "QUIT", cb
=> sub {
1747 undef $self->{quit_watch
};
1748 $self->wait_end_loop();
1751 $self->{inotify_poll
} = AnyEvent-
>timer(after
=> 5, interval
=> 5, cb
=> sub {
1752 PVE
::INotify
::poll
(); # read inotify events
1758 # static helper to add directory including all subdirs
1759 # This can be used to setup $self->{dirs}
1761 my ($result_hash, $alias, $subdir) = @_;
1763 $result_hash->{$alias} = $subdir;
1766 my $dir = $File::Find
::dir
;
1767 if ($dir =~m!^$subdir(.*)$!) {
1768 my $name = "$alias$1/";
1769 $result_hash->{$name} = "$dir/";
1773 find
({wanted
=> $wanted, follow
=> 0, no_chdir
=> 1}, $subdir);
1776 # abstract functions - subclass should overwrite/implement them
1778 sub verify_spice_connect_url
{
1779 my ($self, $connect_str) = @_;
1783 #return ($vmid, $node, $port);
1786 # formatters can call this when the generate a new page
1787 sub generate_csrf_prevention_token
{
1788 my ($username) = @_;
1790 return undef; # do nothing by default
1794 my ($self, $method, $rel_uri, $ticket, $token, $api_token, $peer_host) = @_;
1799 # ticket => $ticket,
1801 # userid => $username,
1803 # isUpload => $isUpload,
1804 # api_token => $api_token,
1809 my ($self, $clientip, $method, $rel_uri, $auth, $params, $format) = @_;
1811 # please do not raise exceptions here (always return a result).
1814 status
=> HTTP_NOT_IMPLEMENTED
,
1815 message
=> "Method '$method $rel_uri' not implemented",
1818 # this should return the following properties, which
1819 # are then passed to the Formatter
1821 # status: HTTP status code
1822 # message: Error message
1823 # errors: more detailed error hash (per parameter)
1824 # info: reference to JSON schema definition - useful to format output
1827 # total: additional info passed to output
1828 # changes: additional info passed to output
1830 # if you want to proxy the request to another node return this
1831 # { proxy => $remip, proxynode => $node, proxy_params => $params };
1833 # to pass the request to the local priviledged daemon use:
1834 # { proxy => 'localhost' , proxy_params => $params };
1836 # to download aspecific file use:
1837 # { download => "/path/to/file" };
1840 sub check_cert_fingerprint
{
1841 my ($self, $cert) = @_;
1846 sub initialize_cert_cache
{
1847 my ($self, $node) = @_;
1852 sub remote_node_ip
{
1853 my ($self, $node) = @_;