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);
49 my $limit_max_headers = 64;
50 my $limit_max_header_size = 8*1024;
51 my $limit_max_post = 64*1024;
60 my $split_abs_uri = sub {
61 my ($abs_uri, $base_uri) = @_;
63 my ($format, $rel_uri) = $abs_uri =~ m/^\Q$base_uri\E\/+([a-z
][a-z0-9
]+)(\
/.*)?$/;
64 $rel_uri = '/' if !$rel_uri;
66 return wantarray ?
($rel_uri, $format) : $rel_uri;
70 my ($self, $message) = @_;
72 return if !$self->{debug
};
74 my ($pkg, $pkgfile, $line, $sub) = caller(1);
75 $sub =~ s/^(?:.+::)+//;
76 print "worker[$$]: $pkg +$line: $sub: $message\n";
80 my ($self, $reqstate) = @_;
82 my $loginfo = $reqstate->{log};
84 # like apache2 common log format
85 # LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\""
87 return if $loginfo->{written
}; # avoid duplicate logs
88 $loginfo->{written
} = 1;
90 my $peerip = $reqstate->{peer_host
} || '-';
91 my $userid = $loginfo->{userid
} || '-';
92 my $content_length = defined($loginfo->{content_length
}) ?
$loginfo->{content_length
} : '-';
93 my $code = $loginfo->{code
} || 500;
94 my $requestline = $loginfo->{requestline
} || '-';
95 my $timestr = strftime
("%d/%m/%Y:%H:%M:%S %z", localtime());
97 my $msg = "$peerip - $userid [$timestr] \"$requestline\" $code $content_length\n";
99 $self->write_log($msg);
102 sub log_aborted_request {
103 my ($self, $reqstate, $error) = @_;
105 my $r = $reqstate->{request};
106 return if !$r; # no active request
109 syslog("err
", "problem with client
$reqstate->{peer_host
}; $error");
112 $self->log_request($reqstate);
115 sub cleanup_reqstate {
118 delete $reqstate->{log};
119 delete $reqstate->{request};
120 delete $reqstate->{proto};
121 delete $reqstate->{accept_gzip};
122 delete $reqstate->{starttime};
124 if ($reqstate->{tmpfilename}) {
125 unlink $reqstate->{tmpfilename};
126 delete $reqstate->{tmpfilename};
130 sub client_do_disconnect {
131 my ($self, $reqstate) = @_;
133 cleanup_reqstate($reqstate);
135 my $shutdown_hdl = sub {
138 shutdown($hdl->{fh}, 1);
140 $hdl->on_drain(undef);
141 $hdl->on_read(undef);
145 if (my $proxyhdl = delete $reqstate->{proxyhdl}) {
146 &$shutdown_hdl($proxyhdl);
149 my $hdl = delete $reqstate->{hdl};
152 syslog('err', "detected empty handle
");
156 $self->dprint("close connection
$hdl");
158 &$shutdown_hdl($hdl);
160 warn "connection count
<= 0!\n" if $self->{conn_count} <= 0;
162 $self->{conn_count}--;
164 $self->dprint("CLOSE FH
" . $hdl->{fh}->fileno() . " CONN
$self->{conn_count
}");
167 sub finish_response {
168 my ($self, $reqstate) = @_;
170 cleanup_reqstate($reqstate);
172 my $hdl = $reqstate->{hdl};
173 return if !$hdl; # already disconnected
175 if (!$self->{end_loop} && $reqstate->{keep_alive} > 0) {
176 # print "KEEPALIVE
$reqstate->{keep_alive
}\n" if $self->{debug};
178 eval { $self->push_request_header($reqstate); };
182 $hdl->on_drain (sub {
184 $self->client_do_disconnect($reqstate);
191 sub response_stream {
192 my ($self, $reqstate, $stream_fh) = @_;
194 # disable timeout, we don't know how big the data is
195 $reqstate->{hdl}->timeout(0);
197 my $buf_size = 4*1024*1024;
202 my $reqhdl = $reqstate->{hdl};
205 my $wbuf_len = length($reqhdl->{wbuf});
206 my $rbuf_len = length($hdl->{rbuf});
207 # TODO: Take into account $reqhdl->{wbuf_max} ? Right now
208 # that's unbounded, so just assume $buf_size
209 my $to_read = $buf_size - $wbuf_len;
210 $to_read = $rbuf_len if $rbuf_len < $to_read;
212 my $data = substr($hdl->{rbuf}, 0, $to_read, '');
213 $reqhdl->push_write($data);
214 $rbuf_len -= $to_read;
215 } elsif ($hdl->{_eof}) {
216 # workaround: AnyEvent gives us a fake EPIPE if we don't consume
217 # any data when called at EOF, so unregister ourselves - data is
218 # flushed by on_eof anyway
219 # see: https://sources.debian.org/src/libanyevent-perl/7.170-2/lib/AnyEvent/Handle.pm/#L1329
224 # apply backpressure so we don't accept any more data into
225 # buffer if the client isn't downloading fast enough
226 # note: read_size can double upon read, and we also need to
227 # account for one more read after start_read, so *4
228 if ($rbuf_len + $hdl->{read_size}*4 > $buf_size) {
229 # stop reading until write buffer is empty
231 my $prev_on_drain = $reqhdl->{on_drain};
232 $reqhdl->on_drain(sub {
234 # on_drain called because write buffer is empty, continue reading
235 $hdl->on_read($on_read);
236 if ($prev_on_drain) {
237 $wrhdl->on_drain($prev_on_drain);
238 $prev_on_drain->($wrhdl);
244 $reqstate->{proxyhdl} = AnyEvent::Handle->new(
246 rbuf_max => $buf_size,
252 if (my $reqhdl = $reqstate->{hdl}) {
253 $self->log_aborted_request($reqstate);
254 # write out any remaining data
255 $reqhdl->push_write($hdl->{rbuf}) if length($hdl->{rbuf}) > 0;
257 $reqhdl->push_shutdown();
258 $self->finish_response($reqstate);
261 if (my $err = $@) { syslog('err', "$err"); }
265 my ($hdl, $fatal, $message) = @_;
267 $self->log_aborted_request($reqstate, $message);
268 $self->client_do_disconnect($reqstate);
270 if (my $err = $@) { syslog('err', "$err"); }
277 my ($self, $reqstate, $resp, $mtime, $nocomp, $delay, $stream_fh) = @_;
279 #print "$$: send response
: " . Dumper($resp);
282 $reqstate->{hdl}->timeout_reset();
283 $reqstate->{hdl}->timeout($self->{timeout});
285 $nocomp = 1 if !$self->{compression};
286 $nocomp = 1 if !$reqstate->{accept_gzip};
288 my $code = $resp->code;
289 my $msg = $resp->message || HTTP::Status::status_message($code);
290 ($msg) = $msg =~m/^(.*)$/m;
291 my $content = $resp->content;
293 if ($code =~ /^(1\d\d|[23]04)$/) {
294 # make sure content we have no content
298 $reqstate->{keep_alive} = 0 if ($code >= 400) || $self->{end_loop};
300 $reqstate->{log}->{code} = $code;
302 my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0';
303 my $res = "$proto $code $msg\015\012";
306 my $date = HTTP::Date::time2str($ctime);
307 $resp->header('Date' => $date);
309 $resp->header('Last-Modified' => HTTP::Date::time2str($mtime));
311 $resp->header('Expires' => $date);
312 $resp->header('Cache-Control' => "max-age
=0");
313 $resp->header("Pragma
", "no-cache
");
316 $resp->header('Server' => "pve-api-daemon
/3.0");
319 if ($content && !$stream_fh) {
321 $content_length = length($content);
323 if (!$nocomp && ($content_length > 1024)) {
324 my $comp = Compress::Zlib::memGzip($content);
325 $resp->header('Content-Encoding', 'gzip');
327 $content_length = length($content);
329 $resp->header("Content-Length
" => $content_length);
330 $reqstate->{log}->{content_length} = $content_length;
333 $resp->remove_header("Content-Length
");
336 if ($reqstate->{keep_alive} > 0) {
337 $resp->push_header('Connection' => 'Keep-Alive');
339 $resp->header('Connection' => 'close');
342 $res .= $resp->headers_as_string("\015\012");
343 #print "SEND
(without content
) $res\n" if $self->{debug};
346 $res .= $content if $content && !$stream_fh;
348 $self->log_request($reqstate, $reqstate->{request});
351 # write headers and preamble...
352 $reqstate->{hdl}->push_write($res);
353 # ...then stream data via an AnyEvent::Handle
354 $self->response_stream($reqstate, $stream_fh);
355 } elsif ($delay && $delay > 0) {
356 my $w; $w = AnyEvent->timer(after => $delay, cb => sub {
357 undef $w; # delete reference
358 $reqstate->{hdl}->push_write($res);
359 $self->finish_response($reqstate);
362 $reqstate->{hdl}->push_write($res);
363 $self->finish_response($reqstate);
368 my ($self, $reqstate, $code, $msg, $hdr, $content) = @_;
371 my $resp = HTTP::Response->new($code, $msg, $hdr, $content);
372 $self->response($reqstate, $resp);
377 my $file_extension_info = {
378 css => { ct => 'text/css' },
379 html => { ct => 'text/html' },
380 js => { ct => 'application/javascript' },
381 json => { ct => 'application/json' },
382 map => { ct => 'application/json' },
383 png => { ct => 'image/png' , nocomp => 1 },
384 ico => { ct => 'image/x-icon', nocomp => 1},
385 gif => { ct => 'image/gif', nocomp => 1},
386 svg => { ct => 'image/svg+xml' },
387 jar => { ct => 'application/java-archive', nocomp => 1},
388 woff => { ct => 'application/font-woff', nocomp => 1},
389 woff2 => { ct => 'application/font-woff2', nocomp => 1},
390 ttf => { ct => 'application/font-snft', nocomp => 1},
391 pdf => { ct => 'application/pdf', nocomp => 1},
392 epub => { ct => 'application/epub+zip', nocomp => 1},
393 mp3 => { ct => 'audio/mpeg', nocomp => 1},
394 oga => { ct => 'audio/ogg', nocomp => 1},
395 tgz => { ct => 'application/x-compressed-tar', nocomp => 1},
398 sub send_file_start {
399 my ($self, $reqstate, $download) = @_;
402 # print "SEND FILE
$filename\n";
403 # Note: aio_load() this is not really async unless we use IO::AIO!
406 my $r = $reqstate->{request};
412 if (ref($download) eq 'HASH') {
413 $fh = $download->{fh};
414 $mime = $download->{'content-type'};
416 if ($download->{stream}) {
417 my $header = HTTP::Headers->new(Content_Type => $mime);
418 my $resp = HTTP::Response->new(200, "OK
", $header);
419 $self->response($reqstate, $resp, undef, 1, 0, $fh);
423 my $filename = $download;
424 $fh = IO::File->new($filename, '<') ||
425 die "unable to
open file
'$filename' - $!\n";
427 my ($ext) = $filename =~ m/\.([^.]*)$/;
428 my $ext_info = $file_extension_info->{$ext};
430 die "unable to detect content type
" if !$ext_info;
431 $mime = $ext_info->{ct};
432 $nocomp = $ext_info->{nocomp};
435 my $stat = File::stat::stat($fh) ||
438 my $mtime = $stat->mtime;
440 if (my $ifmod = $r->header('if-modified-since')) {
441 my $iftime = HTTP::Date::str2time($ifmod);
442 if ($mtime <= $iftime) {
443 my $resp = HTTP::Response->new(304, "NOT MODIFIED
");
444 $self->response($reqstate, $resp, $mtime);
450 my $len = sysread($fh, $data, $stat->size);
451 die "got short file
\n" if !defined($len) || $len != $stat->size;
453 my $header = HTTP::Headers->new(Content_Type => $mime);
454 my $resp = HTTP::Response->new(200, "OK
", $header, $data);
455 $self->response($reqstate, $resp, $mtime, $nocomp);
458 $self->error($reqstate, 501, $err);
465 sub websocket_proxy {
466 my ($self, $reqstate, $wsaccept, $wsproto, $param) = @_;
472 my $max_payload_size = 128*1024;
475 if ($wsproto eq 'binary') {
477 } elsif ($wsproto eq 'base64') {
480 die "websocket_proxy
: unsupported protocol
'$wsproto'\n";
483 if ($param->{port}) {
484 $remhost = 'localhost';
485 $remport = $param->{port};
486 } elsif ($param->{socket}) {
488 $remport = $param->{socket};
490 die "websocket_proxy
: missing port
or socket\n";
494 my ($data, $opcode) = @_;
499 $string = $opcode ? $opcode : "\x82"; # binary frame
502 $string = $opcode ? $opcode : "\x81"; # text frame
503 $payload = encode_base64($$data, '');
506 my $payload_len = length($payload);
507 if ($payload_len <= 125) {
508 $string .= pack 'C', $payload_len;
509 } elsif ($payload_len <= 0xffff) {
510 $string .= pack 'C', 126;
511 $string .= pack 'n', $payload_len;
513 $string .= pack 'C', 127;
514 $string .= pack 'Q>', $payload_len;
520 tcp_connect $remhost, $remport, sub {
522 or die "connect to
'$remhost:$remport' failed
: $!";
524 $self->dprint("CONNECTed to
'$remhost:$remport'");
526 $reqstate->{proxyhdl} = AnyEvent::Handle->new(
528 rbuf_max => $max_payload_size,
529 wbuf_max => $max_payload_size*5,
534 $self->log_aborted_request($reqstate);
535 $self->client_do_disconnect($reqstate);
537 if (my $err = $@) { syslog('err', $err); }
540 my ($hdl, $fatal, $message) = @_;
542 $self->log_aborted_request($reqstate, $message);
543 $self->client_do_disconnect($reqstate);
545 if (my $err = $@) { syslog('err', "$err"); }
548 my $proxyhdlreader = sub {
551 my $len = length($hdl->{rbuf});
552 my $data = substr($hdl->{rbuf}, 0, $len > $max_payload_size ? $max_payload_size : $len, '');
554 my $string = $encode->(\$data);
556 $reqstate->{hdl}->push_write($string) if $reqstate->{hdl};
559 my $hdlreader = sub {
562 while (my $len = length($hdl->{rbuf})) {
565 my $hdr = unpack('C', substr($hdl->{rbuf}, 0, 1));
566 my $opcode = $hdr & 0b00001111;
567 my $fin = $hdr & 0b10000000;
569 die "received fragmented websocket frame
\n" if !$fin;
571 my $rsv = $hdr & 0b01110000;
572 die "received websocket frame with RSV flags
\n" if $rsv;
574 my $payload_len = unpack 'C', substr($hdl->{rbuf}, 1, 1);
576 my $masked = $payload_len & 0b10000000;
577 die "received unmasked websocket frame from client
\n" if !$masked;
580 $payload_len = $payload_len & 0b01111111;
581 if ($payload_len == 126) {
583 $payload_len = unpack('n', substr($hdl->{rbuf}, $offset, 2));
585 } elsif ($payload_len == 127) {
587 $payload_len = unpack('Q>', substr($hdl->{rbuf}, $offset, 8));
591 die "received too large websocket frame
(len
= $payload_len)\n"
592 if ($payload_len > $max_payload_size) || ($payload_len < 0);
594 return if $len < ($offset + 4 + $payload_len);
596 my $data = substr($hdl->{rbuf}, 0, $offset + 4 + $payload_len, ''); # now consume data
598 my $mask = substr($data, $offset, 4);
601 my $payload = substr($data, $offset, $payload_len);
603 # NULL-mask might be used over TLS, skip to increase performance
604 if ($mask ne pack('N', 0)) {
605 # repeat 4 byte mask to payload length + up to 4 byte
606 $mask = $mask x (int($payload_len / 4) + 1);
607 # truncate mask to payload length
608 substr($mask, $payload_len) = "";
613 $payload = decode_base64($payload) if !$binary;
615 if ($opcode == 1 || $opcode == 2) {
616 $reqstate->{proxyhdl}->push_write($payload) if $reqstate->{proxyhdl};
617 } elsif ($opcode == 8) {
618 my $statuscode = unpack ("n
", $payload);
619 $self->dprint("websocket received
close. status code
: '$statuscode'");
620 if ($reqstate->{proxyhdl}) {
621 $reqstate->{proxyhdl}->push_shutdown();
623 $hdl->push_shutdown();
624 } elsif ($opcode == 9) {
625 # ping received, schedule pong
626 $reqstate->{hdl}->push_write($encode->(\$payload, "\x8A")) if $reqstate->{hdl};
627 } elsif ($opcode == 0xA) {
628 # pong received, continue
630 die "received unhandled websocket opcode
$opcode\n";
635 my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.1';
637 $reqstate->{proxyhdl}->timeout(0);
638 $reqstate->{proxyhdl}->on_read($proxyhdlreader);
639 $reqstate->{hdl}->on_read($hdlreader);
641 # todo: use stop_read/start_read if write buffer grows to much
643 my $res = "$proto 101 Switching Protocols
\015\012" .
644 "Upgrade
: websocket
\015\012" .
645 "Connection
: upgrade
\015\012" .
646 "Sec-WebSocket-Accept
: $wsaccept\015\012" .
647 "Sec-WebSocket-Protocol
: $wsproto\015\012" .
652 $reqstate->{hdl}->push_write($res);
655 $reqstate->{log}->{code} = 101;
656 $self->log_request($reqstate);
662 $self->log_aborted_request($reqstate, $err);
663 $self->client_do_disconnect($reqstate);
668 my ($self, $reqstate, $clientip, $host, $node, $method, $uri, $auth, $params) = @_;
673 if ($host eq 'localhost') {
674 $target = "http
://$host:85$uri";
675 # keep alive for localhost is not worth (connection setup is about 0.2ms)
677 } elsif (Net::IP::ip_is_ipv6($host)) {
678 $target = "https
://[$host]:8006$uri";
680 $target = "https
://$host:8006$uri";
684 PVEDisableProxy => 'true',
685 PVEClientIP => $clientip,
688 $headers->{'cookie'} = PVE::APIServer::Formatter::create_auth_cookie($auth->{ticket}, $self->{cookie_name})
690 $headers->{'Authorization'} = PVE::APIServer::Formatter::create_auth_header($auth->{api_token}, $self->{apitoken_name})
691 if $auth->{api_token};
692 $headers->{'CSRFPreventionToken'} = $auth->{token}
694 $headers->{'Accept-Encoding'} = 'gzip' if ($reqstate->{accept_gzip} && $self->{compression});
696 if (defined(my $host = $reqstate->{request}->header('Host'))) {
697 $headers->{Host} = $host;
702 if ($method eq 'POST' || $method eq 'PUT') {
703 $headers->{'Content-Type'} = 'application/x-www-form-urlencoded';
704 # use URI object to format application/x-www-form-urlencoded content.
705 my $url = URI->new('http:');
706 $url->query_form(%$params);
707 $content = $url->query;
708 if (defined($content)) {
709 $headers->{'Content-Length'} = length($content);
714 # TLS 1.x only, with certificate pinning
720 my (undef, undef, undef, $depth, undef, undef, $cert) = @_;
721 # we don't care about intermediate or root certificates
722 return 1 if $depth != 0;
723 # check server certificate against cache of pinned FPs
724 return $self->check_cert_fingerprint($cert);
728 # load and cache cert fingerprint if first time we proxy to this node
729 $self->initialize_cert_cache($node);
731 my $w; $w = http_request(
736 proxy => undef, # avoid use of $ENV{HTTP_PROXY}
737 keepalive => $keep_alive,
739 tls_ctx => AnyEvent::TLS->new(%{$tls}),
741 my ($body, $hdr) = @_;
745 if (!$reqstate->{hdl}) {
746 warn "proxy detected vanished client connection
\n";
751 my $code = delete $hdr->{Status};
752 my $msg = delete $hdr->{Reason};
754 delete $hdr->{HTTPVersion};
755 my $header = HTTP::Headers->new(%$hdr);
756 if (my $location = $header->header('Location')) {
757 $location =~ s|^http://localhost:85||;
758 $header->header(Location => $location);
760 my $resp = HTTP::Response->new($code, $msg, $header, $body);
761 # Note: disable compression, because body is already compressed
762 $self->response($reqstate, $resp, undef, 1);
770 # return arrays as \0 separated strings (like CGI.pm)
771 # assume data is UTF8 encoded
772 sub decode_urlencoded {
777 return $res if !$data;
779 foreach my $kv (split(/[\&\;]/, $data)) {
780 my ($k, $v) = split(/=/, $kv);
782 $k =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg;
786 $v =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg;
788 $v = Encode::decode('utf8', $v);
790 if (defined(my $old = $res->{$k})) {
801 my ($r, $method) = @_;
805 if ($method eq 'PUT' || $method eq 'POST') {
807 if (my $ctype = $r->header('Content-Type')) {
808 $ct = parse_content_type($ctype);
810 if (defined($ct) && $ct eq 'application/json') {
811 $params = decode_json($r->content);
813 $params = decode_urlencoded($r->content);
817 my $query_params = decode_urlencoded($r->url->query());
819 foreach my $k (keys %{$query_params}) {
820 $params->{$k} = $query_params->{$k};
826 sub handle_api2_request {
827 my ($self, $reqstate, $auth, $method, $path, $upload_state) = @_;
830 my $r = $reqstate->{request};
832 my ($rel_uri, $format) = &$split_abs_uri($path, $self->{base_uri});
834 my $formatter = PVE::APIServer::Formatter::get_formatter($format, $method, $rel_uri);
836 if (!defined($formatter)) {
837 $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no formatter
for uri
$rel_uri, $format");
841 #print Dumper($upload_state) if $upload_state;
846 $params = $upload_state->{params};
848 $params = extract_params($r, $method);
851 delete $params->{_dc}; # remove disable cache parameter
853 my $clientip = $reqstate->{peer_host};
855 my $res = $self->rest_handler($clientip, $method, $rel_uri, $auth, $params, $format);
858 Net::SSLeay::ERR_clear_error();
860 AnyEvent->now_update(); # in case somebody called sleep()
862 my $upgrade = $r->header('upgrade');
863 $upgrade = lc($upgrade) if $upgrade;
865 if (my $host = $res->{proxy}) {
867 if ($self->{trusted_env}) {
868 $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy
not allowed
");
872 if ($host ne 'localhost' && $r->header('PVEDisableProxy')) {
873 $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy
loop detected
");
877 $res->{proxy_params}->{tmpfilename} = $reqstate->{tmpfilename} if $upload_state;
879 $self->proxy_request($reqstate, $clientip, $host, $res->{proxynode}, $method,
880 $r->uri, $auth, $res->{proxy_params});
883 } elsif ($upgrade && ($method eq 'GET') && ($path =~ m|websocket$|)) {
884 die "unable to upgrade to protocol
'$upgrade'\n" if !$upgrade || ($upgrade ne 'websocket');
885 my $wsver = $r->header('sec-websocket-version');
886 die "unsupported websocket-version
'$wsver'\n" if !$wsver || ($wsver ne '13');
887 my $wsproto_str = $r->header('sec-websocket-protocol');
888 die "missing websocket-protocol header
" if !$wsproto_str;
890 foreach my $p (PVE::Tools::split_list($wsproto_str)) {
891 $wsproto = $p if !$wsproto && $p eq 'base64';
892 $wsproto = $p if $p eq 'binary';
894 die "unsupported websocket-protocol protocol
'$wsproto_str'\n" if !$wsproto;
895 my $wskey = $r->header('sec-websocket-key');
896 die "missing websocket-key
\n" if !$wskey;
897 # Note: Digest::SHA::sha1_base64 has wrong padding
898 my $wsaccept = Digest::SHA::sha1_base64("${wskey
}258EAFA5-E914-47DA-95CA-C5AB0DC85B11
") . "=";
899 if ($res->{status} == HTTP_OK) {
900 $self->websocket_proxy($reqstate, $wsaccept, $wsproto, $res->{data});
906 if ($res->{status} == HTTP_UNAUTHORIZED) {
907 # always delay unauthorized calls by 3 seconds
908 $delay = 3 - tv_interval($reqstate->{starttime});
909 $delay = 0 if $delay < 0;
912 my $download = $res->{download};
913 $download //= $res->{data}->{download}
914 if defined($res->{data}) && ref($res->{data}) eq 'HASH';
915 if (defined($download)) {
916 send_file_start($self, $reqstate, $download);
920 my ($raw, $ct, $nocomp) = $formatter->($res, $res->{data}, $params, $path,
921 $auth, $self->{formatter_config});
924 if (ref($raw) && (ref($raw) eq 'HTTP::Response')) {
927 $resp = HTTP::Response->new($res->{status}, $res->{message});
928 $resp->header("Content-Type
" => $ct);
929 $resp->content($raw);
931 $self->response($reqstate, $resp, undef, $nocomp, $delay);
934 $self->error($reqstate, 501, $err);
938 sub handle_spice_proxy_request {
939 my ($self, $reqstate, $connect_str, $vmid, $node, $spiceport) = @_;
943 my ($minport, $maxport) = PVE::Tools::spice_port_range();
944 if ($spiceport < $minport || $spiceport > $maxport) {
945 die "SPICE Port
$spiceport is not in allowed range
($minport, $maxport)\n";
948 my $clientip = $reqstate->{peer_host};
949 my $r = $reqstate->{request};
953 if ($node ne 'localhost' && PVE::INotify::nodename() !~ m/^$node$/i) {
954 $remip = $self->remote_node_ip($node);
955 $self->dprint("REMOTE CONNECT
$vmid, $remip, $connect_str");
957 $self->dprint("CONNECT
$vmid, $node, $spiceport");
960 if ($remip && $r->header('PVEDisableProxy')) {
961 $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy
loop detected
");
965 $reqstate->{hdl}->timeout(0);
966 $reqstate->{hdl}->wbuf_max(64*10*1024);
968 my $remhost = $remip ? $remip : "localhost
";
969 my $remport = $remip ? 3128 : $spiceport;
971 tcp_connect $remhost, $remport, sub {
973 or die "connect to
'$remhost:$remport' failed
: $!";
975 $self->dprint("CONNECTed to
'$remhost:$remport'");
976 $reqstate->{proxyhdl} = AnyEvent::Handle->new(
979 wbuf_max => 64*10*1024,
984 $self->log_aborted_request($reqstate);
985 $self->client_do_disconnect($reqstate);
987 if (my $err = $@) { syslog('err', $err); }
990 my ($hdl, $fatal, $message) = @_;
992 $self->log_aborted_request($reqstate, $message);
993 $self->client_do_disconnect($reqstate);
995 if (my $err = $@) { syslog('err', "$err"); }
999 my $proxyhdlreader = sub {
1002 my $len = length($hdl->{rbuf});
1003 my $data = substr($hdl->{rbuf}, 0, $len, '');
1005 #print "READ1
$len\n";
1006 $reqstate->{hdl}->push_write($data) if $reqstate->{hdl};
1009 my $hdlreader = sub {
1012 my $len = length($hdl->{rbuf});
1013 my $data = substr($hdl->{rbuf}, 0, $len, '');
1015 #print "READ0
$len\n";
1016 $reqstate->{proxyhdl}->push_write($data) if $reqstate->{proxyhdl};
1019 my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0';
1021 my $startproxy = sub {
1022 $reqstate->{proxyhdl}->timeout(0);
1023 $reqstate->{proxyhdl}->on_read($proxyhdlreader);
1024 $reqstate->{hdl}->on_read($hdlreader);
1026 # todo: use stop_read/start_read if write buffer grows to much
1028 # a response must be followed by an empty line
1029 my $res = "$proto 200 OK
\015\012\015\012";
1030 $reqstate->{hdl}->push_write($res);
1033 $reqstate->{log}->{code} = 200;
1034 $self->log_request($reqstate);
1038 my $header = "CONNECT
${connect_str
} $proto\015\012" .
1039 "Host
: ${connect_str
}\015\012" .
1040 "Proxy-Connection
: keep-alive
\015\012" .
1041 "User-Agent
: spiceproxy
\015\012" .
1042 "PVEDisableProxy
: true
\015\012" .
1043 "PVEClientIP
: $clientip\015\012" .
1046 $reqstate->{proxyhdl}->push_write($header);
1047 $reqstate->{proxyhdl}->push_read(line => sub {
1048 my ($hdl, $line) = @_;
1050 if ($line =~ m!^$proto 200 OK$!) {
1051 # read the empty line after the 200 OK
1052 $reqstate->{proxyhdl}->unshift_read(line => sub{
1056 $reqstate->{hdl}->push_write($line);
1057 $self->client_do_disconnect($reqstate);
1068 $self->log_aborted_request($reqstate, $err);
1069 $self->client_do_disconnect($reqstate);
1073 sub handle_request {
1074 my ($self, $reqstate, $auth, $method, $path) = @_;
1076 my $base_uri = $self->{base_uri};
1079 my $r = $reqstate->{request};
1081 # disable timeout on handle (we already have all data we need)
1082 # we re-enable timeout in response()
1083 $reqstate->{hdl}->timeout(0);
1085 if ($path =~ m/^\Q$base_uri\E/) {
1086 $self->handle_api2_request($reqstate, $auth, $method, $path);
1090 if ($self->{pages} && ($method eq 'GET') && (my $handler = $self->{pages}->{$path})) {
1091 if (ref($handler) eq 'CODE') {
1092 my $params = decode_urlencoded($r->url->query());
1093 my ($resp, $userid) = &$handler($self, $reqstate->{request}, $params);
1095 Net::SSLeay::ERR_clear_error();
1096 $self->response($reqstate, $resp);
1097 } elsif (ref($handler) eq 'HASH') {
1098 if (my $filename = $handler->{file}) {
1099 my $fh = IO::File->new($filename) ||
1100 die "unable to
open file
'$filename' - $!\n";
1101 send_file_start($self, $reqstate, $filename);
1103 die "internal error
- no handler
";
1106 die "internal error
- no handler
";
1111 if ($self->{dirs} && ($method eq 'GET')) {
1112 # we only allow simple names
1113 if ($path =~ m!^(/\S+/)([a-zA-Z0-9\-\_\.]+)$!) {
1114 my ($subdir, $file) = ($1, $2);
1115 if (my $dir = $self->{dirs}->{$subdir}) {
1116 my $filename = "$dir$file";
1117 my $fh = IO::File->new($filename) ||
1118 die "unable to
open file
'$filename' - $!\n";
1119 send_file_start($self, $reqstate, $filename);
1125 die "no such file
'$path'\n";
1128 $self->error($reqstate, 501, $err);
1132 sub file_upload_multipart {
1133 my ($self, $reqstate, $auth, $method, $path, $rstate) = @_;
1136 my $boundary = $rstate->{boundary};
1137 my $hdl = $reqstate->{hdl};
1139 my $startlen = length($hdl->{rbuf});
1141 if ($rstate->{phase} == 0) { # skip everything until start
1142 if ($hdl->{rbuf} =~ s/^.*?--\Q$boundary\E \015?\012
1143 ((?:[^\015]+\015\012)* ) \015?\012//xs) {
1145 my ($ct, $disp, $name, $filename);
1146 foreach my $line (split(/\015?\012/, $header)) {
1147 # assume we have single line headers
1148 if ($line =~ m/^Content-Type\s*:\s*(.*)/i) {
1149 $ct = parse_content_type($1);
1150 } elsif ($line =~ m/^Content-Disposition\s*:\s*(.*)/i) {
1151 ($disp, $name, $filename) = parse_content_disposition($1);
1155 if (!($disp && $disp eq 'form-data' && $name)) {
1156 syslog('err', "wrong content disposition
in multipart
- abort upload
");
1157 $rstate->{phase} = -1;
1160 $rstate->{fieldname} = $name;
1163 if ($name eq 'filename') {
1164 # found file upload data
1165 $rstate->{phase} = 1;
1166 $rstate->{filename} = $filename;
1168 syslog('err', "wrong field name
for file upload
- abort upload
");
1169 $rstate->{phase} = -1;
1172 # found form data for field $name
1173 $rstate->{phase} = 2;
1177 my $len = length($hdl->{rbuf});
1178 substr($hdl->{rbuf}, 0, $len - $rstate->{maxheader}, '')
1179 if $len > $rstate->{maxheader}; # skip garbage
1181 } elsif ($rstate->{phase} == 1) { # inside file - dump until end marker
1182 if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) {
1183 my ($rest, $eof) = ($1, $3);
1184 my $len = length($rest);
1185 die "write to temporary file failed
- $!"
1186 if syswrite($rstate->{outfh}, $rest) != $len;
1187 $rstate->{ctx}->add($rest);
1188 $rstate->{params}->{filename} = $rstate->{filename};
1189 $rstate->{md5sum} = $rstate->{ctx}->hexdigest;
1190 $rstate->{bytes} += $len;
1191 $rstate->{phase} = $eof ? 100 : 0;
1193 my $len = length($hdl->{rbuf});
1194 my $wlen = $len - $rstate->{boundlen};
1196 my $data = substr($hdl->{rbuf}, 0, $wlen, '');
1197 die "write to temporary file failed
- $!"
1198 if syswrite($rstate->{outfh}, $data) != $wlen;
1199 $rstate->{bytes} += $wlen;
1200 $rstate->{ctx}->add($data);
1203 } elsif ($rstate->{phase} == 2) { # inside normal field
1205 if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) {
1206 my ($rest, $eof) = ($1, $3);
1207 my $len = length($rest);
1208 $rstate->{post_size} += $len;
1209 if ($rstate->{post_size} < $limit_max_post) {
1210 $rstate->{params}->{$rstate->{fieldname}} = $rest;
1211 $rstate->{phase} = $eof ? 100 : 0;
1213 syslog('err', "form data to large
- abort upload
");
1214 $rstate->{phase} = -1; # skip
1218 my $len = length($hdl->{rbuf});
1219 substr($hdl->{rbuf}, 0, $len, ''); # empty rbuf
1222 $rstate->{read} += ($startlen - length($hdl->{rbuf}));
1224 if (!$rstate->{done} && ($rstate->{read} + length($hdl->{rbuf})) >= $rstate->{size}) {
1225 $rstate->{done} = 1; # make sure we dont get called twice
1226 if ($rstate->{phase} < 0 || !$rstate->{md5sum}) {
1227 die "upload failed
\n";
1229 my $elapsed = tv_interval($rstate->{starttime});
1231 my $rate = int($rstate->{bytes}/($elapsed*1024*1024));
1232 syslog('info', "multipart upload complete
" .
1233 "(size
: %d time: %ds rate
: %.2fMiB
/s md5sum
: $rstate->{md5sum
})",
1234 $rstate->{bytes}, $elapsed, $rate);
1235 $self->handle_api2_request($reqstate, $auth, $method, $path, $rstate);
1240 syslog('err', $err);
1241 $self->error($reqstate, 501, $err);
1245 sub parse_content_type {
1248 my ($ct, @params) = split(/\s*[;,]\s*/o, $ctype);
1250 foreach my $v (@params) {
1251 if ($v =~ m/^\s*boundary\s*=\s*(\S+?)\s*$/o) {
1252 return wantarray ? ($ct, $1) : $ct;
1256 return wantarray ? ($ct) : $ct;
1259 sub parse_content_disposition {
1262 my ($disp, @params) = split(/\s*[;,]\s*/o, $line);
1266 foreach my $v (@params) {
1267 if ($v =~ m/^\s*name\s*=\s*(\S+?)\s*$/o) {
1269 $name =~ s/^"(.*)"$/$1/;
1270 } elsif ($v =~ m/^\s*filename\s*=\s*(.+?)\s*$/o) {
1272 $filename =~ s/^"(.*)"$/$1/;
1276 return wantarray ? ($disp, $name, $filename) : $disp;
1279 my $tmpfile_seq_no = 0;
1281 sub get_upload_filename {
1282 # choose unpredictable tmpfile name
1285 return "/var/tmp
/pveupload-
" . Digest::MD5::md5_hex($tmpfile_seq_no . time() . $$);
1288 sub unshift_read_header {
1289 my ($self, $reqstate, $state) = @_;
1291 $state = { size => 0, count => 0 } if !$state;
1293 $reqstate->{hdl}->unshift_read(line => sub {
1294 my ($hdl, $line) = @_;
1297 # print "$$: got header
: $line\n" if $self->{debug};
1299 die "too many http header lines
(> $limit_max_headers)\n" if ++$state->{count} >= $limit_max_headers;
1300 die "http header too large
\n" if ($state->{size} += length($line)) >= $limit_max_header_size;
1302 my $r = $reqstate->{request};
1305 my $path = uri_unescape($r->uri->path());
1306 my $method = $r->method();
1308 $r->push_header($state->{key}, $state->{val})
1311 if (!$known_methods->{$method}) {
1312 my $resp = HTTP::Response->new(HTTP_NOT_IMPLEMENTED, "method '$method' not available
");
1313 $self->response($reqstate, $resp);
1317 my $conn = $r->header('Connection');
1318 my $accept_enc = $r->header('Accept-Encoding');
1319 $reqstate->{accept_gzip} = ($accept_enc && $accept_enc =~ m/gzip/) ? 1 : 0;
1322 $reqstate->{keep_alive} = 0 if $conn =~ m/close/oi;
1324 if ($reqstate->{proto}->{ver} < 1001) {
1325 $reqstate->{keep_alive} = 0;
1329 my $te = $r->header('Transfer-Encoding');
1330 if ($te && lc($te) eq 'chunked') {
1331 # Handle chunked transfer encoding
1332 $self->error($reqstate, 501, "chunked transfer encoding
not supported
");
1335 $self->error($reqstate, 501, "Unknown transfer encoding
'$te'");
1339 my $pveclientip = $r->header('PVEClientIP');
1340 my $base_uri = $self->{base_uri};
1342 # fixme: how can we make PVEClientIP header trusted?
1343 if ($self->{trusted_env} && $pveclientip) {
1344 $reqstate->{peer_host} = $pveclientip;
1346 $r->header('PVEClientIP', $reqstate->{peer_host});
1349 my $len = $r->header('Content-Length');
1351 my $host_header = $r->header('Host');
1352 if (my $rpcenv = $self->{rpcenv}) {
1353 $rpcenv->set_request_host($host_header);
1356 # header processing complete - authenticate now
1359 if ($self->{spiceproxy}) {
1360 my $connect_str = $host_header;
1361 my ($vmid, $node, $port) = $self->verify_spice_connect_url($connect_str);
1362 if (!(defined($vmid) && $node && $port)) {
1363 $self->error($reqstate, HTTP_UNAUTHORIZED, "invalid ticket
");
1366 $self->handle_spice_proxy_request($reqstate, $connect_str, $vmid, $node, $port);
1368 } elsif ($path =~ m/^\Q$base_uri\E/) {
1369 my $token = $r->header('CSRFPreventionToken');
1370 my $cookie = $r->header('Cookie');
1371 my $auth_header = $r->header('Authorization');
1373 # prefer actual cookie
1374 my $ticket = PVE::APIServer::Formatter::extract_auth_value($cookie, $self->{cookie_name});
1376 # fallback to cookie in 'Authorization' header
1377 $ticket = PVE::APIServer::Formatter::extract_auth_value($auth_header, $self->{cookie_name})
1380 # finally, fallback to API token if no ticket has been provided so far
1382 $api_token = PVE::APIServer::Formatter::extract_auth_value($auth_header, $self->{apitoken_name})
1385 my ($rel_uri, $format) = &$split_abs_uri($path, $self->{base_uri});
1387 $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri
");
1392 $auth = $self->auth_handler($method, $rel_uri, $ticket, $token, $api_token,
1393 $reqstate->{peer_host});
1397 Net::SSLeay::ERR_clear_error();
1398 # always delay unauthorized calls by 3 seconds
1401 if (ref($err) eq "PVE
::Exception
") {
1403 $err->{code} ||= HTTP_INTERNAL_SERVER_ERROR,
1404 my $resp = HTTP::Response->new($err->{code}, $err->{msg});
1405 $self->response($reqstate, $resp, undef, 0, $delay);
1407 } elsif (my $formatter = PVE::APIServer::Formatter::get_login_formatter($format)) {
1408 my ($raw, $ct, $nocomp) =
1409 $formatter->($path, $auth, $self->{formatter_config});
1411 if (ref($raw) && (ref($raw) eq 'HTTP::Response')) {
1414 $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, "Login Required
");
1415 $resp->header("Content-Type
" => $ct);
1416 $resp->content($raw);
1418 $self->response($reqstate, $resp, undef, $nocomp, $delay);
1420 my $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, $err);
1421 $self->response($reqstate, $resp, undef, 0, $delay);
1427 $reqstate->{log}->{userid} = $auth->{userid};
1431 if (!($method eq 'PUT' || $method eq 'POST')) {
1432 $self->error($reqstate, 501, "Unexpected content
for method '$method'");
1436 my $ctype = $r->header('Content-Type');
1437 my ($ct, $boundary);
1438 ($ct, $boundary)= parse_content_type($ctype) if $ctype;
1440 if ($auth->{isUpload} && !$self->{trusted_env}) {
1441 die "upload
'Content-Type '$ctype' not implemented\n"
1442 if !($boundary && $ct && ($ct eq 'multipart
/form-data
'));
1444 die "upload without content length header not supported" if !$len;
1446 die "upload without content length header not supported" if !$len;
1448 $self->dprint("start upload $path $ct $boundary");
1450 my $tmpfilename = get_upload_filename();
1451 my $outfh = IO::File->new($tmpfilename, O_RDWR|O_CREAT|O_EXCL, 0600) ||
1452 die "unable to create temporary upload file '$tmpfilename'";
1454 $reqstate->{keep_alive} = 0;
1456 my $boundlen = length($boundary) + 8; # \015?\012--$boundary--\015?\012
1460 boundary => $boundary,
1461 ctx => Digest::MD5->new,
1462 boundlen => $boundlen,
1463 maxheader => 2048 + $boundlen, # should be large enough
1464 params => decode_urlencoded($r->url->query()),
1468 starttime => [gettimeofday],
1471 $reqstate->{tmpfilename} = $tmpfilename;
1472 $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $method, $path, $state); });
1476 if ($len > $limit_max_post) {
1477 $self->error($reqstate, 501, "for data too large");
1481 if (!$ct || $ct eq 'application
/x-www-form-urlencoded' || $ct eq 'application/json
') {
1482 $reqstate->{hdl}->unshift_read(chunk => $len, sub {
1483 my ($hdl, $data) = @_;
1485 $self->handle_request($reqstate, $auth, $method, $path);
1488 $self->error($reqstate, 506, "upload 'Content-Type
'$ctype' not implemented
");
1491 $self->handle_request($reqstate, $auth, $method, $path);
1493 } elsif ($line =~ /^([^:\s]+)\s*:\s*(.*)/) {
1494 $r->push_header($state->{key}, $state->{val}) if $state->{key};
1495 ($state->{key}, $state->{val}) = ($1, $2);
1496 $self->unshift_read_header($reqstate, $state);
1497 } elsif ($line =~ /^\s+(.*)/) {
1498 $state->{val} .= " $1";
1499 $self->unshift_read_header($reqstate, $state);
1501 $self->error($reqstate, 506, "unable to parse request header
");
1508 sub push_request_header {
1509 my ($self, $reqstate) = @_;
1512 $reqstate->{hdl}->push_read(line => sub {
1513 my ($hdl, $line) = @_;
1516 # print "got request header
: $line\n" if $self->{debug};
1518 $reqstate->{keep_alive}--;
1520 if ($line =~ /(\S+)\040(\S+)\040HTTP\/(\d+)\.(\d+)/o) {
1521 my ($method, $url, $maj, $min) = ($1, $2, $3, $4);
1524 $self->error($reqstate, 506, "http protocol version
$maj.$min not supported
");
1528 $self->{request_count}++; # only count valid request headers
1529 if ($self->{request_count} >= $self->{max_requests}) {
1530 $self->{end_loop} = 1;
1532 $reqstate->{log} = { requestline => $line };
1533 $reqstate->{proto}->{str} = "HTTP
/$maj.$min";
1534 $reqstate->{proto}->{maj} = $maj;
1535 $reqstate->{proto}->{min} = $min;
1536 $reqstate->{proto}->{ver} = $maj*1000+$min;
1537 $reqstate->{request} = HTTP::Request->new($method, $url);
1538 $reqstate->{starttime} = [gettimeofday],
1540 $self->unshift_read_header($reqstate);
1541 } elsif ($line eq '') {
1542 # ignore empty lines before requests (browser bugs?)
1543 $self->push_request_header($reqstate);
1545 $self->error($reqstate, 400, 'bad request');
1559 return if $self->{end_loop};
1561 # we need to m make sure that only one process calls accept
1562 while (!flock($self->{lockfh}, Fcntl::LOCK_EX())) {
1563 next if $! == EINTR;
1564 die "could
not get
lock on file
'$self->{lockfile}' - $!\n";
1570 while (!$self->{end_loop} &&
1571 !defined($clientfh = $self->{socket}->accept()) &&
1574 if ($self->{end_loop}) {
1577 $again = ($! == EAGAIN || $! == WSAEWOULDBLOCK);
1578 if (!defined($clientfh)) {
1579 $errmsg = "failed to
accept connection
: $!\n";
1585 flock($self->{lockfh}, Fcntl::LOCK_UN());
1587 if (!defined($clientfh)) {
1589 die $errmsg if $errmsg;
1592 fh_nonblocking $clientfh, 1;
1600 $self->{end_loop} = 1;
1602 undef $self->{socket_watch};
1604 $0 = "$0 (shutdown)" if $0 !~ m/\(shutdown\)$/;
1606 if ($self->{conn_count} <= 0) {
1607 $self->{end_cond}->send(1);
1611 # fork and exit, so that parent starts a new worker
1616 # else we need to wait until all open connections gets closed
1617 my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub {
1619 # todo: test for active connections instead (we can abort idle connections)
1620 if ($self->{conn_count} <= 0) {
1622 $self->{end_cond}->send(1);
1630 sub check_host_access {
1631 my ($self, $clientip) = @_;
1633 my $cip = Net::IP->new($clientip);
1636 $self->dprint("client IP
not parsable
: $@");
1640 my $match_allow = 0;
1643 if ($self->{allow_from}) {
1644 foreach my $t (@{$self->{allow_from}}) {
1645 if ($t->overlaps($cip)) {
1647 $self->dprint("client IP allowed
: ". $t->prefix());
1653 if ($self->{deny_from}) {
1654 foreach my $t (@{$self->{deny_from}}) {
1655 if ($t->overlaps($cip)) {
1656 $self->dprint("client IP denied
: ". $t->prefix());
1663 if ($match_allow == $match_deny) {
1664 # match both allow and deny, or no match
1665 return $self->{policy} && $self->{policy} eq 'allow' ? 1 : 0;
1668 return $match_allow;
1671 sub accept_connections {
1674 my ($clientfh, $handle_creation);
1677 while ($clientfh = $self->accept()) {
1679 my $reqstate = { keep_alive => $self->{keep_alive} };
1681 # stop keep-alive when there are many open connections
1682 if ($self->{conn_count} + 1 >= $self->{max_conn_soft_limit}) {
1683 $reqstate->{keep_alive} = 0;
1686 if (my $sin = getpeername($clientfh)) {
1687 my ($pfamily, $pport, $phost) = PVE::Tools::unpack_sockaddr_in46($sin);
1688 ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntop($pfamily, $phost));
1690 $self->dprint("getpeername failed
: $!");
1695 if (!$self->{trusted_env} && !$self->check_host_access($reqstate->{peer_host})) {
1696 $self->dprint("ABORT request from
$reqstate->{peer_host
} - access denied
");
1697 $reqstate->{log}->{code} = 403;
1698 $self->log_request($reqstate);
1703 # Increment conn_count before creating new handle, since creation
1704 # triggers callbacks, which can potentialy decrement (e.g.
1705 # on_error) conn_count before AnyEvent::Handle->new() returns.
1706 $handle_creation = 1;
1707 $self->{conn_count}++;
1708 $reqstate->{hdl} = AnyEvent::Handle->new(
1710 rbuf_max => 64*1024,
1711 timeout => $self->{timeout},
1712 linger => 0, # avoid problems with ssh - really needed ?
1716 $self->log_aborted_request($reqstate);
1717 $self->client_do_disconnect($reqstate);
1719 if (my $err = $@) { syslog('err', $err); }
1722 my ($hdl, $fatal, $message) = @_;
1724 $self->log_aborted_request($reqstate, $message);
1725 $self->client_do_disconnect($reqstate);
1727 if (my $err = $@) { syslog('err', "$err"); }
1729 ($self->{tls_ctx} ? (tls => "accept", tls_ctx => $self->{tls_ctx}) : ()));
1730 $handle_creation = 0;
1732 $self->dprint("ACCEPT FH
" . $clientfh->fileno() . " CONN
$self->{conn_count
}");
1734 $self->push_request_header($reqstate);
1739 syslog('err', $err);
1740 $self->dprint("connection
accept error
: $err");
1742 if ($handle_creation) {
1743 if ($self->{conn_count} <= 0) {
1744 warn "connection count
<= 0 not decrementing
!\n";
1746 $self->{conn_count}--;
1749 $self->{end_loop} = 1;
1752 $self->wait_end_loop() if $self->{end_loop};
1755 # Note: We can't open log file in non-blocking mode and use AnyEvent::Handle,
1756 # because we write from multiple processes, and that would arbitrarily mix output
1758 sub open_access_log {
1759 my ($self, $filename) = @_;
1761 my $old_mask = umask(0137);;
1762 my $logfh = IO::File->new($filename, ">>") ||
1763 die "unable to
open log file
'$filename' - $!\n";
1766 $logfh->autoflush(1);
1768 $self->{logfh} = $logfh;
1772 my ($self, $data) = @_;
1774 return if !defined($self->{logfh}) || !$data;
1776 my $res = $self->{logfh}->print($data);
1779 delete $self->{logfh};
1780 syslog('err', "error writing access
log");
1781 $self->{end_loop} = 1; # terminate asap
1785 sub atfork_handler {
1789 # something else do to ?
1790 close($self->{socket});
1798 $self->{end_cond}->recv;
1802 my ($this, %args) = @_;
1804 my $class = ref($this) || $this;
1806 foreach my $req (qw(socket lockfh lockfile)) {
1807 die "misssing required argument '$req'" if !defined($args{$req});
1810 my $self = bless { %args }, $class;
1812 $self->{cookie_name
} //= 'PVEAuthCookie';
1813 $self->{apitoken_name
} //= 'PVEAPIToken';
1814 $self->{base_uri
} //= "/api2";
1815 $self->{dirs
} //= {};
1816 $self->{title
} //= 'API Inspector';
1817 $self->{compression
} //= 1;
1819 # formatter_config: we pass some configuration values to the Formatter
1820 $self->{formatter_config
} = {};
1821 foreach my $p (qw(apitoken_name cookie_name base_uri title)) {
1822 $self->{formatter_config
}->{$p} = $self->{$p};
1824 $self->{formatter_config
}->{csrfgen_func
} =
1825 $self->can('generate_csrf_prevention_token');
1827 # add default dirs which includes jquery and bootstrap
1828 my $jsbase = '/usr/share/javascript';
1829 add_dirs
($self->{dirs
}, '/js/' => "$jsbase/");
1830 # libjs-bootstrap uses symlinks for this, which we do not want to allow..
1831 my $glyphicons = '/usr/share/fonts/truetype/glyphicons/';
1832 add_dirs
($self->{dirs
}, '/js/bootstrap/fonts/' => "$glyphicons");
1835 PVE
::INotify
::inotify_init
();
1837 fh_nonblocking
($self->{socket}, 1);
1839 $self->{end_loop
} = 0;
1840 $self->{conn_count
} = 0;
1841 $self->{request_count
} = 0;
1842 $self->{timeout
} = 5 if !$self->{timeout
};
1843 $self->{keep_alive
} = 0 if !defined($self->{keep_alive
});
1844 $self->{max_conn
} = 800 if !$self->{max_conn
};
1845 $self->{max_requests
} = 8000 if !$self->{max_requests
};
1847 $self->{policy
} = 'allow' if !$self->{policy
};
1849 $self->{end_cond
} = AnyEvent-
>condvar;
1852 my $ssl_defaults = {
1853 # Note: older versions are considered insecure, for example
1854 # search for "Poodle"-Attack
1858 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',
1859 honor_cipher_order
=> 1,
1862 foreach my $k (keys %$ssl_defaults) {
1863 $self->{ssl
}->{$k} //= $ssl_defaults->{$k};
1866 if (!defined($self->{ssl
}->{dh_file
})) {
1867 $self->{ssl
}->{dh
} = 'skip2048';
1870 my $tls_ctx_flags = &Net
::SSLeay
::OP_NO_COMPRESSION
| &Net
::SSLeay
::OP_SINGLE_ECDH_USE
| &Net
::SSLeay
::OP_SINGLE_DH_USE
;
1871 if ( delete $self->{ssl
}->{honor_cipher_order
} ) {
1872 $tls_ctx_flags |= &Net
::SSLeay
::OP_CIPHER_SERVER_PREFERENCE
;
1875 $self->{tls_ctx
} = AnyEvent
::TLS-
>new(%{$self->{ssl
}});
1876 Net
::SSLeay
::CTX_set_options
($self->{tls_ctx
}->{ctx
}, $tls_ctx_flags);
1879 if ($self->{spiceproxy
}) {
1880 $known_methods = { CONNECT
=> 1 };
1883 $self->open_access_log($self->{logfile
}) if $self->{logfile
};
1885 $self->{max_conn_soft_limit
} = $self->{max_conn
} > 100 ?
$self->{max_conn
} - 20 : $self->{max_conn
};
1887 $self->{socket_watch
} = AnyEvent-
>io(fh
=> $self->{socket}, poll
=> 'r', cb
=> sub {
1889 if ($self->{conn_count
} >= $self->{max_conn
}) {
1890 my $w; $w = AnyEvent-
>timer (after
=> 1, interval
=> 1, cb
=> sub {
1891 if ($self->{conn_count
} < $self->{max_conn
}) {
1893 $self->accept_connections();
1897 $self->accept_connections();
1903 $self->{term_watch
} = AnyEvent-
>signal(signal
=> "TERM", cb
=> sub {
1904 undef $self->{term_watch
};
1905 $self->wait_end_loop();
1908 $self->{quit_watch
} = AnyEvent-
>signal(signal
=> "QUIT", cb
=> sub {
1909 undef $self->{quit_watch
};
1910 $self->wait_end_loop();
1913 $self->{inotify_poll
} = AnyEvent-
>timer(after
=> 5, interval
=> 5, cb
=> sub {
1914 PVE
::INotify
::poll
(); # read inotify events
1920 # static helper to add directory including all subdirs
1921 # This can be used to setup $self->{dirs}
1923 my ($result_hash, $alias, $subdir) = @_;
1925 $result_hash->{$alias} = $subdir;
1928 my $dir = $File::Find
::dir
;
1929 if ($dir =~m!^$subdir(.*)$!) {
1930 my $name = "$alias$1/";
1931 $result_hash->{$name} = "$dir/";
1935 find
({wanted
=> $wanted, follow
=> 0, no_chdir
=> 1}, $subdir);
1938 # abstract functions - subclass should overwrite/implement them
1940 sub verify_spice_connect_url
{
1941 my ($self, $connect_str) = @_;
1945 #return ($vmid, $node, $port);
1948 # formatters can call this when the generate a new page
1949 sub generate_csrf_prevention_token
{
1950 my ($username) = @_;
1952 return undef; # do nothing by default
1956 my ($self, $method, $rel_uri, $ticket, $token, $api_token, $peer_host) = @_;
1961 # ticket => $ticket,
1963 # userid => $username,
1965 # isUpload => $isUpload,
1966 # api_token => $api_token,
1971 my ($self, $clientip, $method, $rel_uri, $auth, $params, $format) = @_;
1973 # please do not raise exceptions here (always return a result).
1976 status
=> HTTP_NOT_IMPLEMENTED
,
1977 message
=> "Method '$method $rel_uri' not implemented",
1980 # this should return the following properties, which
1981 # are then passed to the Formatter
1983 # status: HTTP status code
1984 # message: Error message
1985 # errors: more detailed error hash (per parameter)
1986 # info: reference to JSON schema definition - useful to format output
1989 # total: additional info passed to output
1990 # changes: additional info passed to output
1992 # if you want to proxy the request to another node return this
1993 # { proxy => $remip, proxynode => $node, proxy_params => $params };
1995 # to pass the request to the local priviledged daemon use:
1996 # { proxy => 'localhost' , proxy_params => $params };
1998 # to download aspecific file use:
1999 # { download => "/path/to/file" };
2002 sub check_cert_fingerprint
{
2003 my ($self, $cert) = @_;
2008 sub initialize_cert_cache
{
2009 my ($self, $node) = @_;
2014 sub remote_node_ip
{
2015 my ($self, $node) = @_;