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Commit | Line | Data |
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57f93db1 DM |
1 | package PVE::HTTPServer; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
d06a1c62 | 5 | use Time::HiRes qw(usleep ualarm gettimeofday tv_interval); |
57f93db1 DM |
6 | use Socket qw(IPPROTO_TCP TCP_NODELAY SOMAXCONN); |
7 | use POSIX qw(strftime EINTR EAGAIN); | |
8 | use Fcntl; | |
d06a1c62 | 9 | use IO::File; |
57f93db1 | 10 | use File::stat qw(); |
e60b9647 | 11 | use MIME::Base64; |
d06a1c62 | 12 | use Digest::MD5; |
e60b9647 | 13 | use Digest::SHA; |
15903af6 | 14 | # use AnyEvent::Strict; # only use this for debugging |
57f93db1 | 15 | use AnyEvent::Util qw(guard fh_nonblocking WSAEWOULDBLOCK WSAEINPROGRESS); |
33afb29b | 16 | use AnyEvent::Socket; |
57f93db1 | 17 | use AnyEvent::Handle; |
943776b0 | 18 | use Net::SSLeay; |
57f93db1 DM |
19 | use AnyEvent::TLS; |
20 | use AnyEvent::IO; | |
21 | use AnyEvent::HTTP; | |
22 | use Fcntl (); | |
23 | use Compress::Zlib; | |
24 | use PVE::SafeSyslog; | |
25 | use PVE::INotify; | |
26 | use PVE::RPCEnvironment; | |
27 | use PVE::REST; | |
a9474985 | 28 | use PVE::Cluster; |
57f93db1 | 29 | |
a908636e | 30 | use Net::IP; |
57f93db1 | 31 | use URI; |
9195c8f9 | 32 | use URI::Escape; |
57f93db1 DM |
33 | use HTTP::Status qw(:constants); |
34 | use HTTP::Headers; | |
35 | use HTTP::Response; | |
f6c357cf | 36 | use Data::Dumper; |
57f93db1 | 37 | |
209b203e DM |
38 | my $limit_max_headers = 30; |
39 | my $limit_max_header_size = 8*1024; | |
40 | my $limit_max_post = 16*1024; | |
57f93db1 | 41 | |
57f93db1 DM |
42 | |
43 | my $known_methods = { | |
44 | GET => 1, | |
45 | POST => 1, | |
46 | PUT => 1, | |
47 | DELETE => 1, | |
48 | }; | |
49 | ||
d06a1c62 DM |
50 | my $baseuri = "/api2"; |
51 | ||
52 | sub split_abs_uri { | |
53 | my ($abs_uri) = @_; | |
54 | ||
3ed61033 | 55 | my ($format, $rel_uri) = $abs_uri =~ m/^\Q$baseuri\E\/+([a-z][a-z0-9]+)(\/.*)?$/; |
d06a1c62 DM |
56 | $rel_uri = '/' if !$rel_uri; |
57 | ||
58 | return wantarray ? ($rel_uri, $format) : $rel_uri; | |
59 | } | |
60 | ||
6fcbe87a | 61 | # generic formatter support |
1370ec61 | 62 | |
6fcbe87a | 63 | my $formatter_hash = {}; |
1370ec61 | 64 | |
6fcbe87a | 65 | sub register_formatter { |
1370ec61 DM |
66 | my ($format, $func) = @_; |
67 | ||
6fcbe87a | 68 | die "formatter '$format' already defined" if $formatter_hash->{$format}; |
1370ec61 | 69 | |
6fcbe87a | 70 | $formatter_hash->{$format} = { |
1370ec61 DM |
71 | func => $func, |
72 | }; | |
73 | } | |
74 | ||
6fcbe87a | 75 | sub get_formatter { |
1370ec61 DM |
76 | my ($format) = @_; |
77 | ||
78 | return undef if !$format; | |
79 | ||
6fcbe87a | 80 | my $info = $formatter_hash->{$format}; |
1370ec61 DM |
81 | return undef if !$info; |
82 | ||
83 | return $info->{func}; | |
84 | } | |
85 | ||
6fcbe87a | 86 | my $login_formatter_hash = {}; |
1370ec61 | 87 | |
6fcbe87a | 88 | sub register_login_formatter { |
1370ec61 DM |
89 | my ($format, $func) = @_; |
90 | ||
6fcbe87a | 91 | die "login formatter '$format' already defined" if $login_formatter_hash->{$format}; |
1370ec61 | 92 | |
6fcbe87a | 93 | $login_formatter_hash->{$format} = { |
1370ec61 DM |
94 | func => $func, |
95 | }; | |
96 | } | |
97 | ||
6fcbe87a | 98 | sub get_login_formatter { |
1370ec61 DM |
99 | my ($format) = @_; |
100 | ||
101 | return undef if !$format; | |
102 | ||
6fcbe87a | 103 | my $info = $login_formatter_hash->{$format}; |
1370ec61 DM |
104 | return undef if !$info; |
105 | ||
106 | return $info->{func}; | |
107 | } | |
108 | ||
8c9e7c11 | 109 | |
1370ec61 DM |
110 | # server implementation |
111 | ||
57f93db1 DM |
112 | sub log_request { |
113 | my ($self, $reqstate) = @_; | |
114 | ||
57f93db1 DM |
115 | my $loginfo = $reqstate->{log}; |
116 | ||
117 | # like apache2 common log format | |
118 | # LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" | |
119 | ||
8d5310c1 DM |
120 | return if $loginfo->{written}; # avoid duplicate logs |
121 | $loginfo->{written} = 1; | |
122 | ||
57f93db1 DM |
123 | my $peerip = $reqstate->{peer_host} || '-'; |
124 | my $userid = $loginfo->{userid} || '-'; | |
125 | my $content_length = defined($loginfo->{content_length}) ? $loginfo->{content_length} : '-'; | |
126 | my $code = $loginfo->{code} || 500; | |
127 | my $requestline = $loginfo->{requestline} || '-'; | |
128 | my $timestr = strftime("%d/%b/%Y:%H:%M:%S %z", localtime()); | |
129 | ||
130 | my $msg = "$peerip - $userid [$timestr] \"$requestline\" $code $content_length\n"; | |
131 | ||
c2e9823c | 132 | $self->write_log($msg); |
57f93db1 DM |
133 | } |
134 | ||
135 | sub log_aborted_request { | |
136 | my ($self, $reqstate, $error) = @_; | |
137 | ||
138 | my $r = $reqstate->{request}; | |
139 | return if !$r; # no active request | |
140 | ||
141 | if ($error) { | |
142 | syslog("err", "problem with client $reqstate->{peer_host}; $error"); | |
143 | } | |
f91072d5 | 144 | |
57f93db1 DM |
145 | $self->log_request($reqstate); |
146 | } | |
147 | ||
25de0db1 DM |
148 | sub extract_auth_cookie { |
149 | my ($cookie, $cookie_name) = @_; | |
150 | ||
151 | return undef if !$cookie; | |
152 | ||
153 | my $ticket = ($cookie =~ /(?:^|\s)\Q$cookie_name\E=([^;]*)/)[0]; | |
154 | ||
155 | if ($ticket && $ticket =~ m/^PVE%3A/) { | |
156 | $ticket = uri_unescape($ticket); | |
157 | } | |
158 | ||
159 | return $ticket; | |
160 | } | |
161 | ||
162 | sub create_auth_cookie { | |
163 | my ($ticket, $cookie_name) = @_; | |
164 | ||
165 | my $encticket = uri_escape($ticket); | |
166 | ||
167 | return "${cookie_name}=$encticket; path=/; secure;"; | |
168 | } | |
169 | ||
23699d1e DM |
170 | sub cleanup_reqstate { |
171 | my ($reqstate) = @_; | |
172 | ||
173 | delete $reqstate->{log}; | |
174 | delete $reqstate->{request}; | |
175 | delete $reqstate->{proto}; | |
176 | delete $reqstate->{accept_gzip}; | |
8dc1715b | 177 | delete $reqstate->{starttime}; |
57f93db1 | 178 | |
d06a1c62 DM |
179 | if ($reqstate->{tmpfilename}) { |
180 | unlink $reqstate->{tmpfilename}; | |
181 | delete $reqstate->{tmpfilename}; | |
182 | } | |
23699d1e DM |
183 | } |
184 | ||
185 | sub client_do_disconnect { | |
186 | my ($self, $reqstate) = @_; | |
187 | ||
188 | cleanup_reqstate($reqstate); | |
d06a1c62 | 189 | |
89634434 DM |
190 | my $shutdown_hdl = sub { |
191 | my $hdl = shift; | |
192 | ||
193 | shutdown($hdl->{fh}, 1); | |
194 | # clear all handlers | |
195 | $hdl->on_drain(undef); | |
196 | $hdl->on_read(undef); | |
197 | $hdl->on_eof(undef); | |
198 | }; | |
199 | ||
200 | if (my $proxyhdl = delete $reqstate->{proxyhdl}) { | |
201 | &$shutdown_hdl($proxyhdl); | |
202 | } | |
203 | ||
57f93db1 DM |
204 | my $hdl = delete $reqstate->{hdl}; |
205 | ||
206 | if (!$hdl) { | |
207 | syslog('err', "detected empty handle"); | |
208 | return; | |
209 | } | |
210 | ||
89634434 DM |
211 | print "close connection $hdl\n" if $self->{debug}; |
212 | ||
213 | &$shutdown_hdl($hdl); | |
57f93db1 | 214 | |
57f93db1 DM |
215 | $self->{conn_count}--; |
216 | ||
f91072d5 | 217 | print "$$: CLOSE FH" . $hdl->{fh}->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; |
57f93db1 DM |
218 | } |
219 | ||
220 | sub finish_response { | |
221 | my ($self, $reqstate) = @_; | |
222 | ||
223 | my $hdl = $reqstate->{hdl}; | |
224 | ||
23699d1e | 225 | cleanup_reqstate($reqstate); |
d06a1c62 | 226 | |
57f93db1 | 227 | if (!$self->{end_loop} && $reqstate->{keep_alive} > 0) { |
d06a1c62 | 228 | # print "KEEPALIVE $reqstate->{keep_alive}\n" if $self->{debug}; |
f91072d5 | 229 | $hdl->on_read(sub { |
57f93db1 DM |
230 | eval { $self->push_request_header($reqstate); }; |
231 | warn $@ if $@; | |
232 | }); | |
233 | } else { | |
234 | $hdl->on_drain (sub { | |
f91072d5 DM |
235 | eval { |
236 | $self->client_do_disconnect($reqstate); | |
237 | }; | |
57f93db1 DM |
238 | warn $@ if $@; |
239 | }); | |
240 | } | |
241 | } | |
242 | ||
243 | sub response { | |
8dc1715b | 244 | my ($self, $reqstate, $resp, $mtime, $nocomp, $delay) = @_; |
57f93db1 DM |
245 | |
246 | #print "$$: send response: " . Dumper($resp); | |
247 | ||
23699d1e DM |
248 | # activate timeout |
249 | $reqstate->{hdl}->timeout_reset(); | |
250 | $reqstate->{hdl}->timeout($self->{timeout}); | |
251 | ||
5c495833 DM |
252 | $nocomp = 1 if !$reqstate->{accept_gzip}; |
253 | ||
57f93db1 DM |
254 | my $code = $resp->code; |
255 | my $msg = $resp->message || HTTP::Status::status_message($code); | |
256 | ($msg) = $msg =~m/^(.*)$/m; | |
257 | my $content = $resp->content; | |
258 | ||
259 | if ($code =~ /^(1\d\d|[23]04)$/) { | |
260 | # make sure content we have no content | |
261 | $content = ""; | |
262 | } | |
263 | ||
88ad4103 | 264 | $reqstate->{keep_alive} = 0 if ($code >= 400) || $self->{end_loop}; |
57f93db1 DM |
265 | |
266 | $reqstate->{log}->{code} = $code; | |
267 | ||
1319da81 DM |
268 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; |
269 | my $res = "$proto $code $msg\015\012"; | |
f91072d5 | 270 | |
57f93db1 DM |
271 | my $ctime = time(); |
272 | my $date = HTTP::Date::time2str($ctime); | |
273 | $resp->header('Date' => $date); | |
274 | if ($mtime) { | |
275 | $resp->header('Last-Modified' => HTTP::Date::time2str($mtime)); | |
276 | } else { | |
277 | $resp->header('Expires' => $date); | |
278 | $resp->header('Cache-Control' => "max-age=0"); | |
279 | $resp->header("Pragma", "no-cache"); | |
280 | } | |
281 | ||
282 | $resp->header('Server' => "pve-api-daemon/3.0"); | |
283 | ||
284 | my $content_length; | |
f91072d5 | 285 | if ($content) { |
57f93db1 DM |
286 | |
287 | $content_length = length($content); | |
288 | ||
289 | if (!$nocomp && ($content_length > 1024)) { | |
290 | my $comp = Compress::Zlib::memGzip($content); | |
291 | $resp->header('Content-Encoding', 'gzip'); | |
292 | $content = $comp; | |
293 | $content_length = length($content); | |
294 | } | |
295 | $resp->header("Content-Length" => $content_length); | |
296 | $reqstate->{log}->{content_length} = $content_length; | |
f91072d5 | 297 | |
57f93db1 DM |
298 | } else { |
299 | $resp->remove_header("Content-Length"); | |
300 | } | |
f91072d5 | 301 | |
57f93db1 DM |
302 | if ($reqstate->{keep_alive} > 0) { |
303 | $resp->push_header('Connection' => 'Keep-Alive'); | |
304 | } else { | |
305 | $resp->header('Connection' => 'close'); | |
306 | } | |
307 | ||
308 | $res .= $resp->headers_as_string("\015\012"); | |
f91072d5 | 309 | #print "SEND(without content) $res\n" if $self->{debug}; |
57f93db1 DM |
310 | |
311 | $res .= "\015\012"; | |
33afb29b | 312 | $res .= $content if $content; |
57f93db1 DM |
313 | |
314 | $self->log_request($reqstate, $reqstate->{request}); | |
8dc1715b DM |
315 | |
316 | if ($delay && $delay > 0) { | |
317 | my $w; $w = AnyEvent->timer(after => $delay, cb => sub { | |
318 | undef $w; # delete reference | |
319 | $reqstate->{hdl}->push_write($res); | |
320 | $self->finish_response($reqstate); | |
321 | }); | |
322 | } else { | |
323 | $reqstate->{hdl}->push_write($res); | |
324 | $self->finish_response($reqstate); | |
325 | } | |
57f93db1 DM |
326 | } |
327 | ||
328 | sub error { | |
329 | my ($self, $reqstate, $code, $msg, $hdr, $content) = @_; | |
330 | ||
331 | eval { | |
f91072d5 | 332 | my $resp = HTTP::Response->new($code, $msg, $hdr, $content); |
57f93db1 DM |
333 | $self->response($reqstate, $resp); |
334 | }; | |
335 | warn $@ if $@; | |
336 | } | |
337 | ||
ccccbf3f DM |
338 | my $file_extension_info = { |
339 | css => { ct => 'text/css' }, | |
340 | html => { ct => 'text/html' }, | |
341 | js => { ct => 'application/javascript' }, | |
342 | png => { ct => 'image/png' , nocomp => 1 }, | |
343 | ico => { ct => 'image/x-icon', nocomp => 1}, | |
344 | gif => { ct => 'image/gif', nocomp => 1}, | |
345 | jar => { ct => 'application/java-archive', nocomp => 1}, | |
346 | woff => { ct => 'application/font-woff', nocomp => 1}, | |
347 | woff2 => { ct => 'application/font-woff2', nocomp => 1}, | |
348 | ttf => { ct => 'application/font-snft', nocomp => 1}, | |
349 | pdf => { ct => 'application/pdf', nocomp => 1}, | |
350 | epub => { ct => 'application/epub+zip', nocomp => 1}, | |
351 | }; | |
352 | ||
57f93db1 DM |
353 | sub send_file_start { |
354 | my ($self, $reqstate, $filename) = @_; | |
355 | ||
356 | eval { | |
357 | # print "SEND FILE $filename\n"; | |
f91072d5 | 358 | # Note: aio_load() this is not really async unless we use IO::AIO! |
57f93db1 DM |
359 | eval { |
360 | ||
88ad4103 DM |
361 | my $r = $reqstate->{request}; |
362 | ||
57f93db1 DM |
363 | my $fh = IO::File->new($filename, '<') || |
364 | die "$!\n"; | |
365 | my $stat = File::stat::stat($fh) || | |
366 | die "$!\n"; | |
88ad4103 DM |
367 | |
368 | my $mtime = $stat->mtime; | |
369 | ||
370 | if (my $ifmod = $r->header('if-modified-since')) { | |
371 | my $iftime = HTTP::Date::str2time($ifmod); | |
372 | if ($mtime <= $iftime) { | |
373 | my $resp = HTTP::Response->new(304, "NOT MODIFIED"); | |
374 | $self->response($reqstate, $resp, $mtime); | |
375 | return; | |
376 | } | |
377 | } | |
f91072d5 | 378 | |
57f93db1 DM |
379 | my $data; |
380 | my $len = sysread($fh, $data, $stat->size); | |
381 | die "got short file\n" if !defined($len) || $len != $stat->size; | |
382 | ||
ccccbf3f DM |
383 | my ($ext) = $filename =~ m/\.([^.]*)$/; |
384 | my $ext_info = $file_extension_info->{$ext}; | |
385 | ||
386 | die "unable to detect content type" if !$ext_info; | |
57f93db1 | 387 | |
ccccbf3f | 388 | my $header = HTTP::Headers->new(Content_Type => $ext_info->{ct}); |
f91072d5 | 389 | my $resp = HTTP::Response->new(200, "OK", $header, $data); |
ccccbf3f | 390 | $self->response($reqstate, $resp, $mtime, $ext_info->{nocomp}); |
57f93db1 DM |
391 | }; |
392 | if (my $err = $@) { | |
393 | $self->error($reqstate, 501, $err); | |
394 | } | |
395 | }; | |
f91072d5 | 396 | |
57f93db1 DM |
397 | warn $@ if $@; |
398 | } | |
399 | ||
e60b9647 DM |
400 | sub websocket_proxy { |
401 | my ($self, $reqstate, $wsaccept, $wsproto, $param) = @_; | |
402 | ||
403 | eval { | |
404 | my $remhost; | |
405 | my $remport; | |
406 | ||
407 | my $max_payload_size = 65536; | |
408 | ||
409 | my $binary; | |
410 | if ($wsproto eq 'binary') { | |
411 | $binary = 1; | |
412 | } elsif ($wsproto eq 'base64') { | |
413 | $binary = 0; | |
414 | } else { | |
415 | die "websocket_proxy: unsupported protocol '$wsproto'\n"; | |
416 | } | |
417 | ||
418 | if ($param->{port}) { | |
0e007a5d | 419 | $remhost = 'localhost'; |
e60b9647 DM |
420 | $remport = $param->{port}; |
421 | } elsif ($param->{socket}) { | |
422 | $remhost = 'unix/'; | |
423 | $remport = $param->{socket}; | |
424 | } else { | |
425 | die "websocket_proxy: missing port or socket\n"; | |
426 | } | |
427 | ||
428 | tcp_connect $remhost, $remport, sub { | |
429 | my ($fh) = @_ | |
430 | or die "connect to '$remhost:$remport' failed: $!"; | |
431 | ||
432 | print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug}; | |
433 | ||
434 | $reqstate->{proxyhdl} = AnyEvent::Handle->new( | |
435 | fh => $fh, | |
436 | rbuf_max => 64*1024, | |
437 | wbuf_max => 64*10*1024, | |
438 | timeout => 5, | |
439 | on_eof => sub { | |
440 | my ($hdl) = @_; | |
441 | eval { | |
442 | $self->log_aborted_request($reqstate); | |
443 | $self->client_do_disconnect($reqstate); | |
444 | }; | |
445 | if (my $err = $@) { syslog('err', $err); } | |
446 | }, | |
447 | on_error => sub { | |
448 | my ($hdl, $fatal, $message) = @_; | |
449 | eval { | |
450 | $self->log_aborted_request($reqstate, $message); | |
451 | $self->client_do_disconnect($reqstate); | |
452 | }; | |
453 | if (my $err = $@) { syslog('err', "$err"); } | |
454 | }); | |
455 | ||
456 | my $proxyhdlreader = sub { | |
457 | my ($hdl) = @_; | |
458 | ||
459 | my $len = length($hdl->{rbuf}); | |
460 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
461 | ||
462 | my $string; | |
463 | my $payload; | |
464 | ||
465 | if ($binary) { | |
466 | $string = "\x82"; # binary frame | |
467 | $payload = $data; | |
468 | } else { | |
469 | $string = "\x81"; # text frame | |
470 | $payload = encode_base64($data, ''); | |
471 | } | |
472 | ||
473 | my $payload_len = length($payload); | |
474 | if ($payload_len <= 125) { | |
475 | $string .= pack 'C', $payload_len; | |
476 | } elsif ($payload_len <= 0xffff) { | |
477 | $string .= pack 'C', 126; | |
478 | $string .= pack 'n', $payload_len; | |
479 | } else { | |
480 | $string .= pack 'C', 127; | |
481 | $string .= pack 'Q>', $payload_len; | |
482 | } | |
483 | $string .= $payload; | |
484 | ||
485 | $reqstate->{hdl}->push_write($string) if $reqstate->{hdl}; | |
486 | }; | |
487 | ||
488 | my $hdlreader = sub { | |
489 | my ($hdl) = @_; | |
490 | ||
491 | my $len = length($hdl->{rbuf}); | |
492 | return if $len < 2; | |
493 | ||
494 | my $hdr = unpack('C', substr($hdl->{rbuf}, 0, 1)); | |
495 | my $opcode = $hdr & 0b00001111; | |
496 | my $fin = $hdr & 0b10000000; | |
497 | ||
498 | die "received fragmented websocket frame\n" if !$fin; | |
499 | ||
500 | my $rsv = $hdr & 0b01110000; | |
501 | die "received websocket frame with RSV flags\n" if $rsv; | |
502 | ||
503 | my $payload_len = unpack 'C', substr($hdl->{rbuf}, 1, 1); | |
504 | ||
505 | my $masked = $payload_len & 0b10000000; | |
506 | die "received unmasked websocket frame from client\n" if !$masked; | |
507 | ||
508 | my $offset = 2; | |
509 | $payload_len = $payload_len & 0b01111111; | |
510 | if ($payload_len == 126) { | |
511 | return if $len < 4; | |
512 | $payload_len = unpack('n', substr($hdl->{rbuf}, $offset, 2)); | |
513 | $offset += 2; | |
514 | } elsif ($payload_len == 127) { | |
515 | return if $len < 10; | |
516 | $payload_len = unpack('Q>', substr($hdl->{rbuf}, $offset, 8)); | |
517 | $offset += 8; | |
518 | } | |
519 | ||
520 | die "received too large websocket frame (len = $payload_len)\n" | |
521 | if ($payload_len > $max_payload_size) || ($payload_len < 0); | |
522 | ||
523 | return if $len < ($offset + 4 + $payload_len); | |
524 | ||
525 | my $data = substr($hdl->{rbuf}, 0, $len, ''); # now consume data | |
526 | ||
527 | my @mask = (unpack('C', substr($data, $offset+0, 1)), | |
528 | unpack('C', substr($data, $offset+1, 1)), | |
529 | unpack('C', substr($data, $offset+2, 1)), | |
530 | unpack('C', substr($data, $offset+3, 1))); | |
531 | ||
532 | $offset += 4; | |
533 | ||
534 | my $payload = substr($data, $offset, $payload_len); | |
535 | ||
536 | for (my $i = 0; $i < $payload_len; $i++) { | |
537 | my $d = unpack('C', substr($payload, $i, 1)); | |
538 | my $n = $d ^ $mask[$i % 4]; | |
539 | substr($payload, $i, 1, pack('C', $n)); | |
540 | } | |
541 | ||
542 | $payload = decode_base64($payload) if !$binary; | |
543 | ||
544 | if ($opcode == 1 || $opcode == 2) { | |
545 | $reqstate->{proxyhdl}->push_write($payload) if $reqstate->{proxyhdl}; | |
546 | } elsif ($opcode == 8) { | |
e60b9647 | 547 | print "websocket received close\n" if $self->{debug}; |
9da32f12 DM |
548 | if ($reqstate->{proxyhdl}) { |
549 | $reqstate->{proxyhdl}->push_write($payload); | |
550 | $reqstate->{proxyhdl}->push_shutdown(); | |
551 | } | |
552 | $hdl->push_shutdown(); | |
e60b9647 DM |
553 | } else { |
554 | die "received unhandled websocket opcode $opcode\n"; | |
555 | } | |
556 | }; | |
557 | ||
558 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.1'; | |
559 | ||
560 | $reqstate->{proxyhdl}->timeout(0); | |
561 | $reqstate->{proxyhdl}->on_read($proxyhdlreader); | |
562 | $reqstate->{hdl}->on_read($hdlreader); | |
563 | ||
564 | # todo: use stop_read/start_read if write buffer grows to much | |
565 | ||
566 | my $res = "$proto 101 Switching Protocols\015\012" . | |
567 | "Upgrade: websocket\015\012" . | |
568 | "Connection: upgrade\015\012" . | |
569 | "Sec-WebSocket-Accept: $wsaccept\015\012" . | |
570 | "Sec-WebSocket-Protocol: $wsproto\015\012" . | |
571 | "\015\012"; | |
572 | ||
573 | print $res if $self->{debug}; | |
574 | ||
575 | $reqstate->{hdl}->push_write($res); | |
576 | ||
577 | # log early | |
578 | $reqstate->{log}->{code} = 101; | |
579 | $self->log_request($reqstate); | |
580 | }; | |
581 | ||
582 | }; | |
583 | if (my $err = $@) { | |
584 | warn $err; | |
585 | $self->log_aborted_request($reqstate, $err); | |
586 | $self->client_do_disconnect($reqstate); | |
587 | } | |
588 | } | |
589 | ||
57f93db1 | 590 | sub proxy_request { |
b51c9f45 | 591 | my ($self, $reqstate, $clientip, $host, $node, $method, $uri, $ticket, $token, $params) = @_; |
57f93db1 DM |
592 | |
593 | eval { | |
594 | my $target; | |
5a68b2b2 | 595 | my $keep_alive = 1; |
57f93db1 | 596 | if ($host eq 'localhost') { |
d06a1c62 | 597 | $target = "http://$host:85$uri"; |
5a68b2b2 DM |
598 | # keep alive for localhost is not worth (connection setup is about 0.2ms) |
599 | $keep_alive = 0; | |
232ce267 WB |
600 | } elsif (Net::IP::ip_is_ipv6($host)) { |
601 | $target = "https://[$host]:8006$uri"; | |
57f93db1 | 602 | } else { |
d06a1c62 | 603 | $target = "https://$host:8006$uri"; |
57f93db1 DM |
604 | } |
605 | ||
606 | my $headers = { | |
607 | PVEDisableProxy => 'true', | |
608 | PVEClientIP => $clientip, | |
609 | }; | |
610 | ||
25de0db1 | 611 | $headers->{'cookie'} = create_auth_cookie($ticket, $self->{cookie_name}) if $ticket; |
57f93db1 | 612 | $headers->{'CSRFPreventionToken'} = $token if $token; |
5c495833 | 613 | $headers->{'Accept-Encoding'} = 'gzip' if $reqstate->{accept_gzip}; |
57f93db1 DM |
614 | |
615 | my $content; | |
616 | ||
617 | if ($method eq 'POST' || $method eq 'PUT') { | |
618 | $headers->{'Content-Type'} = 'application/x-www-form-urlencoded'; | |
d06a1c62 | 619 | # use URI object to format application/x-www-form-urlencoded content. |
57f93db1 DM |
620 | my $url = URI->new('http:'); |
621 | $url->query_form(%$params); | |
622 | $content = $url->query; | |
623 | if (defined($content)) { | |
624 | $headers->{'Content-Length'} = length($content); | |
625 | } | |
626 | } | |
627 | ||
8c9e7c11 FG |
628 | my $tls = { |
629 | # TLS 1.x only, with certificate pinning | |
630 | method => 'any', | |
631 | sslv2 => 0, | |
632 | sslv3 => 0, | |
633 | verify => 1, | |
634 | verify_cb => sub { | |
635 | my (undef, undef, undef, $depth, undef, undef, $cert) = @_; | |
636 | # we don't care about intermediate or root certificates | |
e099be45 | 637 | return 1 if $depth != 0; |
8c9e7c11 | 638 | # check server certificate against cache of pinned FPs |
a9474985 | 639 | return PVE::Cluster::check_cert_fingerprint($cert); |
8c9e7c11 FG |
640 | }, |
641 | }; | |
642 | ||
643 | # load and cache cert fingerprint if first time we proxy to this node | |
a9474985 | 644 | PVE::Cluster::initialize_cert_cache($node); |
8c9e7c11 | 645 | |
57f93db1 | 646 | my $w; $w = http_request( |
f91072d5 DM |
647 | $method => $target, |
648 | headers => $headers, | |
649 | timeout => 30, | |
353fef24 | 650 | recurse => 0, |
139cb2da | 651 | proxy => undef, # avoid use of $ENV{HTTP_PROXY} |
5a68b2b2 | 652 | keepalive => $keep_alive, |
f91072d5 | 653 | body => $content, |
8c9e7c11 | 654 | tls_ctx => AnyEvent::TLS->new(%{$tls}), |
57f93db1 DM |
655 | sub { |
656 | my ($body, $hdr) = @_; | |
657 | ||
658 | undef $w; | |
f91072d5 | 659 | |
17c8ec64 DM |
660 | if (!$reqstate->{hdl}) { |
661 | warn "proxy detected vanished client connection\n"; | |
662 | return; | |
663 | } | |
664 | ||
57f93db1 DM |
665 | eval { |
666 | my $code = delete $hdr->{Status}; | |
667 | my $msg = delete $hdr->{Reason}; | |
668 | delete $hdr->{URL}; | |
669 | delete $hdr->{HTTPVersion}; | |
670 | my $header = HTTP::Headers->new(%$hdr); | |
7e73c93e DM |
671 | if (my $location = $header->header('Location')) { |
672 | $location =~ s|^http://localhost:85||; | |
673 | $header->header(Location => $location); | |
674 | } | |
57f93db1 | 675 | my $resp = HTTP::Response->new($code, $msg, $header, $body); |
5c495833 | 676 | # Note: disable compression, because body is already compressed |
57f93db1 DM |
677 | $self->response($reqstate, $resp, undef, 1); |
678 | }; | |
679 | warn $@ if $@; | |
680 | }); | |
681 | }; | |
682 | warn $@ if $@; | |
683 | } | |
684 | ||
d06a1c62 DM |
685 | # return arrays as \0 separated strings (like CGI.pm) |
686 | sub decode_urlencoded { | |
687 | my ($data) = @_; | |
688 | ||
689 | my $res = {}; | |
690 | ||
691 | return $res if !$data; | |
692 | ||
693 | foreach my $kv (split(/[\&\;]/, $data)) { | |
694 | my ($k, $v) = split(/=/, $kv); | |
695 | $k =~s/\+/ /g; | |
696 | $k =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
697 | $v =~s/\+/ /g; | |
698 | $v =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
699 | ||
700 | if (defined(my $old = $res->{$k})) { | |
701 | $res->{$k} = "$old\0$v"; | |
702 | } else { | |
703 | $res->{$k} = $v; | |
704 | } | |
705 | } | |
706 | return $res; | |
707 | } | |
708 | ||
f6c357cf | 709 | sub extract_params { |
57f93db1 DM |
710 | my ($r, $method) = @_; |
711 | ||
d06a1c62 | 712 | my $params = {}; |
57f93db1 DM |
713 | |
714 | if ($method eq 'PUT' || $method eq 'POST') { | |
d06a1c62 | 715 | $params = decode_urlencoded($r->content); |
57f93db1 DM |
716 | } |
717 | ||
d06a1c62 | 718 | my $query_params = decode_urlencoded($r->url->query()); |
57f93db1 DM |
719 | |
720 | foreach my $k (keys %{$query_params}) { | |
721 | $params->{$k} = $query_params->{$k}; | |
722 | } | |
723 | ||
724 | return PVE::Tools::decode_utf8_parameters($params); | |
f6c357cf | 725 | } |
57f93db1 DM |
726 | |
727 | sub handle_api2_request { | |
1d7f84a1 | 728 | my ($self, $reqstate, $auth, $method, $path, $upload_state) = @_; |
57f93db1 DM |
729 | |
730 | eval { | |
731 | my $r = $reqstate->{request}; | |
57f93db1 | 732 | |
d06a1c62 | 733 | my ($rel_uri, $format) = split_abs_uri($path); |
3ed61033 | 734 | |
6fcbe87a | 735 | my $formatter = get_formatter($format); |
3ed61033 | 736 | |
6fcbe87a | 737 | if (!defined($formatter)) { |
3ed61033 | 738 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri $rel_uri, $format"); |
57f93db1 DM |
739 | return; |
740 | } | |
741 | ||
d0547f7f | 742 | #print Dumper($upload_state) if $upload_state; |
57f93db1 | 743 | |
d06a1c62 | 744 | my $rpcenv = $self->{rpcenv}; |
57f93db1 | 745 | |
d06a1c62 | 746 | my $params; |
57f93db1 | 747 | |
d06a1c62 DM |
748 | if ($upload_state) { |
749 | $params = $upload_state->{params}; | |
750 | } else { | |
f6c357cf | 751 | $params = extract_params($r, $method); |
d06a1c62 | 752 | } |
57f93db1 | 753 | |
d06a1c62 | 754 | delete $params->{_dc}; # remove disable cache parameter |
57f93db1 | 755 | |
d06a1c62 | 756 | my $clientip = $reqstate->{peer_host}; |
57f93db1 | 757 | |
d06a1c62 | 758 | $rpcenv->init_request(); |
57f93db1 | 759 | |
d06a1c62 | 760 | my $res = PVE::REST::rest_handler($rpcenv, $clientip, $method, $rel_uri, $auth, $params); |
57f93db1 | 761 | |
23699d1e DM |
762 | AnyEvent->now_update(); # in case somebody called sleep() |
763 | ||
57f93db1 DM |
764 | $rpcenv->set_user(undef); # clear after request |
765 | ||
e60b9647 | 766 | my $upgrade = $r->header('upgrade'); |
a47df3e4 | 767 | $upgrade = lc($upgrade) if $upgrade; |
e60b9647 | 768 | |
40ca6e9c | 769 | if (my $host = $res->{proxy}) { |
57f93db1 DM |
770 | |
771 | if ($self->{trusted_env}) { | |
772 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy not allowed"); | |
773 | return; | |
f91072d5 | 774 | } |
57f93db1 | 775 | |
40ca6e9c | 776 | if ($host ne 'localhost' && $r->header('PVEDisableProxy')) { |
f2c8b269 DM |
777 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); |
778 | return; | |
779 | } | |
780 | ||
d06a1c62 DM |
781 | $res->{proxy_params}->{tmpfilename} = $reqstate->{tmpfilename} if $upload_state; |
782 | ||
b51c9f45 FG |
783 | $self->proxy_request($reqstate, $clientip, $host, $res->{proxynode}, $method, |
784 | $r->uri, $auth->{ticket}, $auth->{token}, $res->{proxy_params}, $res->{proxynode}); | |
57f93db1 DM |
785 | return; |
786 | ||
e60b9647 | 787 | } elsif ($upgrade && ($method eq 'GET') && ($path =~ m|websocket$|)) { |
a47df3e4 | 788 | die "unable to upgrade to protocol '$upgrade'\n" if !$upgrade || ($upgrade ne 'websocket'); |
e60b9647 DM |
789 | my $wsver = $r->header('sec-websocket-version'); |
790 | die "unsupported websocket-version '$wsver'\n" if !$wsver || ($wsver ne '13'); | |
791 | my $wsproto_str = $r->header('sec-websocket-protocol'); | |
792 | die "missing websocket-protocol header" if !$wsproto_str; | |
793 | my $wsproto; | |
794 | foreach my $p (PVE::Tools::split_list($wsproto_str)) { | |
795 | $wsproto = $p if !$wsproto && $p eq 'base64'; | |
796 | $wsproto = $p if $p eq 'binary'; | |
797 | } | |
798 | die "unsupported websocket-protocol protocol '$wsproto_str'\n" if !$wsproto; | |
799 | my $wskey = $r->header('sec-websocket-key'); | |
800 | die "missing websocket-key\n" if !$wskey; | |
801 | # Note: Digest::SHA::sha1_base64 has wrong padding | |
802 | my $wsaccept = Digest::SHA::sha1_base64("${wskey}258EAFA5-E914-47DA-95CA-C5AB0DC85B11") . "="; | |
803 | if ($res->{status} == HTTP_OK) { | |
804 | $self->websocket_proxy($reqstate, $wsaccept, $wsproto, $res->{data}); | |
805 | return; | |
806 | } | |
57f93db1 DM |
807 | } |
808 | ||
8dc1715b DM |
809 | my $delay = 0; |
810 | if ($res->{status} == HTTP_UNAUTHORIZED) { | |
811 | # always delay unauthorized calls by 3 seconds | |
812 | $delay = 3 - tv_interval($reqstate->{starttime}); | |
813 | $delay = 0 if $delay < 0; | |
814 | } | |
815 | ||
6fcbe87a DM |
816 | if ($res->{info} && $res->{info}->{formatter}) { |
817 | if (defined(my $func = $res->{info}->{formatter}->{$format})) { | |
818 | $formatter = $func; | |
3ed61033 DM |
819 | } |
820 | } | |
821 | ||
7e73c93e | 822 | my ($raw, $ct, $nocomp) = &$formatter($res, $res->{data}, $params, $path, $auth); |
3ed61033 | 823 | |
c9c0cd34 DM |
824 | my $resp; |
825 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
826 | $resp = $raw; | |
827 | } else { | |
828 | $resp = HTTP::Response->new($res->{status}, $res->{message}); | |
829 | $resp->header("Content-Type" => $ct); | |
830 | $resp->content($raw); | |
831 | } | |
8dc1715b | 832 | $self->response($reqstate, $resp, undef, $nocomp, $delay); |
57f93db1 | 833 | }; |
d06a1c62 DM |
834 | if (my $err = $@) { |
835 | $self->error($reqstate, 501, $err); | |
836 | } | |
57f93db1 DM |
837 | } |
838 | ||
33afb29b | 839 | sub handle_spice_proxy_request { |
89634434 | 840 | my ($self, $reqstate, $connect_str, $vmid, $node, $spiceport) = @_; |
33afb29b DM |
841 | |
842 | eval { | |
843 | ||
f60bd577 AD |
844 | die "Port $spiceport is not allowed" if ($spiceport < 61000 || $spiceport > 61099); |
845 | ||
c3b83ed1 DM |
846 | my $rpcenv = $self->{rpcenv}; |
847 | $rpcenv->init_request(); | |
848 | ||
f2c8b269 DM |
849 | my $clientip = $reqstate->{peer_host}; |
850 | my $r = $reqstate->{request}; | |
851 | ||
33afb29b DM |
852 | my $remip; |
853 | ||
ce429a15 | 854 | if ($node ne 'localhost' && PVE::INotify::nodename() !~ m/^$node$/i) { |
33afb29b | 855 | $remip = PVE::Cluster::remote_node_ip($node); |
89634434 DM |
856 | die "unable to get remote IP address for node '$node'\n" if !$remip; |
857 | print "REMOTE CONNECT $vmid, $remip, $connect_str\n" if $self->{debug}; | |
858 | } else { | |
859 | print "$$: CONNECT $vmid, $node, $spiceport\n" if $self->{debug}; | |
860 | } | |
33afb29b | 861 | |
64363f40 | 862 | if ($remip && $r->header('PVEDisableProxy')) { |
f2c8b269 DM |
863 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); |
864 | return; | |
865 | } | |
866 | ||
33afb29b | 867 | $reqstate->{hdl}->timeout(0); |
89634434 | 868 | $reqstate->{hdl}->wbuf_max(64*10*1024); |
33afb29b | 869 | |
0e007a5d | 870 | my $remhost = $remip ? $remip : "localhost"; |
89634434 | 871 | my $remport = $remip ? 3128 : $spiceport; |
33afb29b | 872 | |
89634434 | 873 | tcp_connect $remhost, $remport, sub { |
33afb29b | 874 | my ($fh) = @_ |
89634434 | 875 | or die "connect to '$remhost:$remport' failed: $!"; |
33afb29b | 876 | |
89634434 | 877 | print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug}; |
33afb29b DM |
878 | $reqstate->{proxyhdl} = AnyEvent::Handle->new( |
879 | fh => $fh, | |
880 | rbuf_max => 64*1024, | |
881 | wbuf_max => 64*10*1024, | |
89634434 | 882 | timeout => 5, |
33afb29b DM |
883 | on_eof => sub { |
884 | my ($hdl) = @_; | |
885 | eval { | |
886 | $self->log_aborted_request($reqstate); | |
887 | $self->client_do_disconnect($reqstate); | |
888 | }; | |
889 | if (my $err = $@) { syslog('err', $err); } | |
890 | }, | |
891 | on_error => sub { | |
892 | my ($hdl, $fatal, $message) = @_; | |
893 | eval { | |
894 | $self->log_aborted_request($reqstate, $message); | |
895 | $self->client_do_disconnect($reqstate); | |
896 | }; | |
897 | if (my $err = $@) { syslog('err', "$err"); } | |
cffad904 | 898 | }); |
33afb29b | 899 | |
89634434 | 900 | |
cffad904 DM |
901 | my $proxyhdlreader = sub { |
902 | my ($hdl) = @_; | |
33afb29b | 903 | |
cffad904 DM |
904 | my $len = length($hdl->{rbuf}); |
905 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
906 | ||
907 | #print "READ1 $len\n"; | |
908 | $reqstate->{hdl}->push_write($data) if $reqstate->{hdl}; | |
909 | }; | |
910 | ||
911 | my $hdlreader = sub { | |
33afb29b DM |
912 | my ($hdl) = @_; |
913 | ||
914 | my $len = length($hdl->{rbuf}); | |
915 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
916 | ||
917 | #print "READ0 $len\n"; | |
918 | $reqstate->{proxyhdl}->push_write($data) if $reqstate->{proxyhdl}; | |
cffad904 DM |
919 | }; |
920 | ||
89634434 | 921 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; |
33afb29b | 922 | |
89634434 DM |
923 | my $startproxy = sub { |
924 | $reqstate->{proxyhdl}->timeout(0); | |
925 | $reqstate->{proxyhdl}->on_read($proxyhdlreader); | |
926 | $reqstate->{hdl}->on_read($hdlreader); | |
33afb29b | 927 | |
89634434 | 928 | # todo: use stop_read/start_read if write buffer grows to much |
33afb29b | 929 | |
89634434 DM |
930 | my $res = "$proto 200 OK\015\012"; # hope this is the right answer? |
931 | $reqstate->{hdl}->push_write($res); | |
932 | ||
933 | # log early | |
934 | $reqstate->{log}->{code} = 200; | |
935 | $self->log_request($reqstate); | |
936 | }; | |
937 | ||
938 | if ($remip) { | |
939 | my $header = "CONNECT ${connect_str} $proto\015\012" . | |
940 | "Host: ${connect_str}\015\012" . | |
941 | "Proxy-Connection: keep-alive\015\012" . | |
942 | "User-Agent: spiceproxy\015\012" . | |
f2c8b269 DM |
943 | "PVEDisableProxy: true\015\012" . |
944 | "PVEClientIP: $clientip\015\012" . | |
89634434 | 945 | "\015\012"; |
f2c8b269 | 946 | |
89634434 DM |
947 | $reqstate->{proxyhdl}->push_write($header); |
948 | $reqstate->{proxyhdl}->push_read(line => sub { | |
949 | my ($hdl, $line) = @_; | |
950 | ||
951 | if ($line =~ m!^$proto 200 OK$!) { | |
952 | &$startproxy(); | |
953 | } else { | |
954 | $reqstate->{hdl}->push_write($line); | |
955 | $self->client_do_disconnect($reqstate); | |
956 | } | |
957 | }); | |
958 | } else { | |
959 | &$startproxy(); | |
960 | } | |
8d5310c1 | 961 | |
33afb29b DM |
962 | }; |
963 | }; | |
964 | if (my $err = $@) { | |
94c803f4 | 965 | warn $err; |
33afb29b DM |
966 | $self->log_aborted_request($reqstate, $err); |
967 | $self->client_do_disconnect($reqstate); | |
968 | } | |
969 | } | |
970 | ||
57f93db1 | 971 | sub handle_request { |
1d7f84a1 | 972 | my ($self, $reqstate, $auth, $method, $path) = @_; |
57f93db1 DM |
973 | |
974 | eval { | |
975 | my $r = $reqstate->{request}; | |
23699d1e DM |
976 | |
977 | # disable timeout on handle (we already have all data we need) | |
978 | # we re-enable timeout in response() | |
979 | $reqstate->{hdl}->timeout(0); | |
57f93db1 | 980 | |
d06a1c62 | 981 | if ($path =~ m!$baseuri!) { |
1d7f84a1 | 982 | $self->handle_api2_request($reqstate, $auth, $method, $path); |
57f93db1 DM |
983 | return; |
984 | } | |
985 | ||
986 | if ($self->{pages} && ($method eq 'GET') && (my $handler = $self->{pages}->{$path})) { | |
987 | if (ref($handler) eq 'CODE') { | |
d06a1c62 DM |
988 | my $params = decode_urlencoded($r->url->query()); |
989 | my ($resp, $userid) = &$handler($self, $reqstate->{request}, $params); | |
57f93db1 DM |
990 | $self->response($reqstate, $resp); |
991 | } elsif (ref($handler) eq 'HASH') { | |
992 | if (my $filename = $handler->{file}) { | |
993 | my $fh = IO::File->new($filename) || | |
994 | die "unable to open file '$filename' - $!\n"; | |
995 | send_file_start($self, $reqstate, $filename); | |
996 | } else { | |
997 | die "internal error - no handler"; | |
998 | } | |
999 | } else { | |
1000 | die "internal error - no handler"; | |
1001 | } | |
1002 | return; | |
f91072d5 | 1003 | } |
57f93db1 DM |
1004 | |
1005 | if ($self->{dirs} && ($method eq 'GET')) { | |
1006 | # we only allow simple names | |
1007 | if ($path =~ m!^(/\S+/)([a-zA-Z0-9\-\_\.]+)$!) { | |
1008 | my ($subdir, $file) = ($1, $2); | |
1009 | if (my $dir = $self->{dirs}->{$subdir}) { | |
1010 | my $filename = "$dir$file"; | |
1011 | my $fh = IO::File->new($filename) || | |
1012 | die "unable to open file '$filename' - $!\n"; | |
1013 | send_file_start($self, $reqstate, $filename); | |
1014 | return; | |
1015 | } | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | die "no such file '$path'"; | |
1020 | }; | |
1021 | if (my $err = $@) { | |
1022 | $self->error($reqstate, 501, $err); | |
1023 | } | |
1024 | } | |
1025 | ||
d06a1c62 | 1026 | sub file_upload_multipart { |
1d7f84a1 | 1027 | my ($self, $reqstate, $auth, $method, $path, $rstate) = @_; |
d06a1c62 DM |
1028 | |
1029 | eval { | |
1030 | my $boundary = $rstate->{boundary}; | |
1031 | my $hdl = $reqstate->{hdl}; | |
1032 | ||
1033 | my $startlen = length($hdl->{rbuf}); | |
1034 | ||
1035 | if ($rstate->{phase} == 0) { # skip everything until start | |
1036 | if ($hdl->{rbuf} =~ s/^.*?--\Q$boundary\E \015?\012 | |
1037 | ((?:[^\015]+\015\012)* ) \015?\012//xs) { | |
1038 | my $header = $1; | |
1039 | my ($ct, $disp, $name, $filename); | |
1040 | foreach my $line (split(/\015?\012/, $header)) { | |
1041 | # assume we have single line headers | |
1042 | if ($line =~ m/^Content-Type\s*:\s*(.*)/i) { | |
1043 | $ct = parse_content_type($1); | |
1044 | } elsif ($line =~ m/^Content-Disposition\s*:\s*(.*)/i) { | |
1045 | ($disp, $name, $filename) = parse_content_disposition($1); | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | if (!($disp && $disp eq 'form-data' && $name)) { | |
a81182b0 | 1050 | syslog('err', "wrong content disposition in multipart - abort upload"); |
d06a1c62 DM |
1051 | $rstate->{phase} = -1; |
1052 | } else { | |
1053 | ||
1054 | $rstate->{fieldname} = $name; | |
1055 | ||
a81182b0 DM |
1056 | if ($filename) { |
1057 | if ($name eq 'filename') { | |
1058 | # found file upload data | |
1059 | $rstate->{phase} = 1; | |
1060 | $rstate->{filename} = $filename; | |
1061 | } else { | |
1062 | syslog('err', "wrong field name for file upload - abort upload"); | |
1063 | $rstate->{phase} = -1; | |
1064 | } | |
1065 | } else { | |
d06a1c62 DM |
1066 | # found form data for field $name |
1067 | $rstate->{phase} = 2; | |
d06a1c62 DM |
1068 | } |
1069 | } | |
1070 | } else { | |
1071 | my $len = length($hdl->{rbuf}); | |
1072 | substr($hdl->{rbuf}, 0, $len - $rstate->{maxheader}, '') | |
1073 | if $len > $rstate->{maxheader}; # skip garbage | |
1074 | } | |
1075 | } elsif ($rstate->{phase} == 1) { # inside file - dump until end marker | |
1076 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
1077 | my ($rest, $eof) = ($1, $3); | |
1078 | my $len = length($rest); | |
1079 | die "write to temporary file failed - $!" | |
1080 | if syswrite($rstate->{outfh}, $rest) != $len; | |
1081 | $rstate->{ctx}->add($rest); | |
1082 | $rstate->{params}->{filename} = $rstate->{filename}; | |
1083 | $rstate->{md5sum} = $rstate->{ctx}->hexdigest; | |
1084 | $rstate->{bytes} += $len; | |
1085 | $rstate->{phase} = $eof ? 100 : 0; | |
1086 | } else { | |
1087 | my $len = length($hdl->{rbuf}); | |
1088 | my $wlen = $len - $rstate->{boundlen}; | |
1089 | if ($wlen > 0) { | |
2c32df36 | 1090 | my $data = substr($hdl->{rbuf}, 0, $wlen, ''); |
d06a1c62 DM |
1091 | die "write to temporary file failed - $!" |
1092 | if syswrite($rstate->{outfh}, $data) != $wlen; | |
1093 | $rstate->{bytes} += $wlen; | |
1094 | $rstate->{ctx}->add($data); | |
1095 | } | |
1096 | } | |
1097 | } elsif ($rstate->{phase} == 2) { # inside normal field | |
1098 | ||
1099 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
1100 | my ($rest, $eof) = ($1, $3); | |
1101 | my $len = length($rest); | |
209b203e DM |
1102 | $rstate->{post_size} += $len; |
1103 | if ($rstate->{post_size} < $limit_max_post) { | |
d06a1c62 DM |
1104 | $rstate->{params}->{$rstate->{fieldname}} = $rest; |
1105 | $rstate->{phase} = $eof ? 100 : 0; | |
1106 | } else { | |
209b203e | 1107 | syslog('err', "form data to large - abort upload"); |
d06a1c62 DM |
1108 | $rstate->{phase} = -1; # skip |
1109 | } | |
1110 | } | |
1111 | } else { # skip | |
1112 | my $len = length($hdl->{rbuf}); | |
1113 | substr($hdl->{rbuf}, 0, $len, ''); # empty rbuf | |
1114 | } | |
1115 | ||
1116 | $rstate->{read} += ($startlen - length($hdl->{rbuf})); | |
1117 | ||
1118 | if (!$rstate->{done} && ($rstate->{read} + length($hdl->{rbuf})) >= $rstate->{size}) { | |
1119 | $rstate->{done} = 1; # make sure we dont get called twice | |
1120 | if ($rstate->{phase} < 0 || !$rstate->{md5sum}) { | |
f6c357cf | 1121 | die "upload failed\n"; |
d06a1c62 DM |
1122 | } else { |
1123 | my $elapsed = tv_interval($rstate->{starttime}); | |
1124 | ||
1125 | my $rate = int($rstate->{bytes}/($elapsed*1024*1024)); | |
1126 | syslog('info', "multipart upload complete " . | |
2c32df36 DM |
1127 | "(size: %d time: %ds rate: %.2fMiB/s md5sum: $rstate->{md5sum})", |
1128 | $rstate->{bytes}, $elapsed, $rate); | |
1d7f84a1 | 1129 | $self->handle_api2_request($reqstate, $auth, $method, $path, $rstate); |
d06a1c62 DM |
1130 | } |
1131 | } | |
1132 | }; | |
1133 | if (my $err = $@) { | |
2c32df36 | 1134 | syslog('err', $err); |
d06a1c62 DM |
1135 | $self->error($reqstate, 501, $err); |
1136 | } | |
1137 | } | |
1138 | ||
1139 | sub parse_content_type { | |
1140 | my ($ctype) = @_; | |
1141 | ||
1142 | my ($ct, @params) = split(/\s*[;,]\s*/o, $ctype); | |
1143 | ||
1144 | foreach my $v (@params) { | |
1145 | if ($v =~ m/^\s*boundary\s*=\s*(\S+?)\s*$/o) { | |
1146 | return wantarray ? ($ct, $1) : $ct; | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | return wantarray ? ($ct) : $ct; | |
1151 | } | |
1152 | ||
1153 | sub parse_content_disposition { | |
1154 | my ($line) = @_; | |
1155 | ||
1156 | my ($disp, @params) = split(/\s*[;,]\s*/o, $line); | |
1157 | my $name; | |
1158 | my $filename; | |
1159 | ||
1160 | foreach my $v (@params) { | |
1161 | if ($v =~ m/^\s*name\s*=\s*(\S+?)\s*$/o) { | |
1162 | $name = $1; | |
1163 | $name =~ s/^"(.*)"$/$1/; | |
e3110298 | 1164 | } elsif ($v =~ m/^\s*filename\s*=\s*(.+?)\s*$/o) { |
d06a1c62 DM |
1165 | $filename = $1; |
1166 | $filename =~ s/^"(.*)"$/$1/; | |
1167 | } | |
1168 | } | |
1169 | ||
1170 | return wantarray ? ($disp, $name, $filename) : $disp; | |
1171 | } | |
1172 | ||
1173 | my $tmpfile_seq_no = 0; | |
1174 | ||
1175 | sub get_upload_filename { | |
1176 | # choose unpredictable tmpfile name | |
1177 | ||
1178 | $tmpfile_seq_no++; | |
1179 | return "/var/tmp/pveupload-" . Digest::MD5::md5_hex($tmpfile_seq_no . time() . $$); | |
1180 | } | |
1181 | ||
57f93db1 DM |
1182 | sub unshift_read_header { |
1183 | my ($self, $reqstate, $state) = @_; | |
1184 | ||
209b203e | 1185 | $state = { size => 0, count => 0 } if !$state; |
57f93db1 DM |
1186 | |
1187 | $reqstate->{hdl}->unshift_read(line => sub { | |
1188 | my ($hdl, $line) = @_; | |
1189 | ||
1190 | eval { | |
209b203e DM |
1191 | # print "$$: got header: $line\n" if $self->{debug}; |
1192 | ||
1193 | die "to many http header lines\n" if ++$state->{count} >= $limit_max_headers; | |
1194 | die "http header too large\n" if ($state->{size} += length($line)) >= $limit_max_header_size; | |
57f93db1 DM |
1195 | |
1196 | my $r = $reqstate->{request}; | |
1197 | if ($line eq '') { | |
1198 | ||
1d7f84a1 | 1199 | my $path = uri_unescape($r->uri->path()); |
d06a1c62 DM |
1200 | my $method = $r->method(); |
1201 | ||
57f93db1 DM |
1202 | $r->push_header($state->{key}, $state->{val}) |
1203 | if $state->{key}; | |
1204 | ||
d06a1c62 DM |
1205 | if (!$known_methods->{$method}) { |
1206 | my $resp = HTTP::Response->new(HTTP_NOT_IMPLEMENTED, "method '$method' not available"); | |
1207 | $self->response($reqstate, $resp); | |
1208 | return; | |
1209 | } | |
1210 | ||
57f93db1 | 1211 | my $conn = $r->header('Connection'); |
5c495833 DM |
1212 | my $accept_enc = $r->header('Accept-Encoding'); |
1213 | $reqstate->{accept_gzip} = ($accept_enc && $accept_enc =~ m/gzip/) ? 1 : 0; | |
57f93db1 DM |
1214 | |
1215 | if ($conn) { | |
1216 | $reqstate->{keep_alive} = 0 if $conn =~ m/close/oi; | |
1217 | } else { | |
1218 | if ($reqstate->{proto}->{ver} < 1001) { | |
1219 | $reqstate->{keep_alive} = 0; | |
1220 | } | |
1221 | } | |
1222 | ||
57f93db1 | 1223 | my $te = $r->header('Transfer-Encoding'); |
d06a1c62 DM |
1224 | if ($te && lc($te) eq 'chunked') { |
1225 | # Handle chunked transfer encoding | |
1226 | $self->error($reqstate, 501, "chunked transfer encoding not supported"); | |
1227 | return; | |
1228 | } elsif ($te) { | |
1229 | $self->error($reqstate, 501, "Unknown transfer encoding '$te'"); | |
1230 | return; | |
1231 | } | |
1232 | ||
57f93db1 DM |
1233 | my $pveclientip = $r->header('PVEClientIP'); |
1234 | ||
f91072d5 | 1235 | # fixme: how can we make PVEClientIP header trusted? |
57f93db1 DM |
1236 | if ($self->{trusted_env} && $pveclientip) { |
1237 | $reqstate->{peer_host} = $pveclientip; | |
1238 | } else { | |
1239 | $r->header('PVEClientIP', $reqstate->{peer_host}); | |
1240 | } | |
1241 | ||
d06a1c62 DM |
1242 | my $len = $r->header('Content-Length'); |
1243 | ||
1244 | # header processing complete - authenticate now | |
1245 | ||
1246 | my $auth = {}; | |
33afb29b DM |
1247 | if ($self->{spiceproxy}) { |
1248 | my $connect_str = $r->header('Host'); | |
8a223d4f | 1249 | my ($vmid, $node, $port) = PVE::AccessControl::verify_spice_connect_url($connect_str); |
e1bae24c | 1250 | if (!(defined($vmid) && $node && $port)) { |
33afb29b DM |
1251 | $self->error($reqstate, HTTP_UNAUTHORIZED, "invalid ticket"); |
1252 | return; | |
1253 | } | |
89634434 | 1254 | $self->handle_spice_proxy_request($reqstate, $connect_str, $vmid, $node, $port); |
33afb29b DM |
1255 | return; |
1256 | } elsif ($path =~ m!$baseuri!) { | |
d06a1c62 DM |
1257 | my $token = $r->header('CSRFPreventionToken'); |
1258 | my $cookie = $r->header('Cookie'); | |
25de0db1 | 1259 | my $ticket = extract_auth_cookie($cookie, $self->{cookie_name}); |
d06a1c62 DM |
1260 | |
1261 | my ($rel_uri, $format) = split_abs_uri($path); | |
1262 | if (!$format) { | |
1263 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri"); | |
1264 | return; | |
1265 | } | |
1266 | ||
1267 | eval { | |
1268 | $auth = PVE::REST::auth_handler($self->{rpcenv}, $reqstate->{peer_host}, $method, | |
1269 | $rel_uri, $ticket, $token); | |
1270 | }; | |
1271 | if (my $err = $@) { | |
3ed61033 DM |
1272 | # always delay unauthorized calls by 3 seconds |
1273 | my $delay = 3; | |
6fcbe87a DM |
1274 | if (my $formatter = get_login_formatter($format)) { |
1275 | my ($raw, $ct, $nocomp) = &$formatter($path, $auth); | |
3ed61033 DM |
1276 | my $resp; |
1277 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
1278 | $resp = $raw; | |
1279 | } else { | |
1280 | $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, "Login Required"); | |
1281 | $resp->header("Content-Type" => $ct); | |
1282 | $resp->content($raw); | |
1283 | } | |
1284 | $self->response($reqstate, $resp, undef, $nocomp, 3); | |
1285 | } else { | |
1286 | my $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, $err); | |
1287 | $self->response($reqstate, $resp, undef, 0, $delay); | |
1288 | } | |
d06a1c62 DM |
1289 | return; |
1290 | } | |
1291 | } | |
1292 | ||
1293 | $reqstate->{log}->{userid} = $auth->{userid}; | |
1294 | ||
e66d68a9 | 1295 | if ($len) { |
d06a1c62 DM |
1296 | |
1297 | if (!($method eq 'PUT' || $method eq 'POST')) { | |
1298 | $self->error($reqstate, 501, "Unexpected content for method '$method'"); | |
1299 | return; | |
1300 | } | |
1301 | ||
1302 | my $ctype = $r->header('Content-Type'); | |
d0547f7f | 1303 | my ($ct, $boundary) = parse_content_type($ctype) if $ctype; |
d06a1c62 DM |
1304 | |
1305 | if ($auth->{isUpload} && !$self->{trusted_env}) { | |
1306 | die "upload 'Content-Type '$ctype' not implemented\n" | |
d0547f7f | 1307 | if !($boundary && $ct && ($ct eq 'multipart/form-data')); |
d06a1c62 DM |
1308 | |
1309 | die "upload without content length header not supported" if !$len; | |
1310 | ||
1311 | die "upload without content length header not supported" if !$len; | |
1312 | ||
1313 | print "start upload $path $ct $boundary\n" if $self->{debug}; | |
1314 | ||
1315 | my $tmpfilename = get_upload_filename(); | |
1316 | my $outfh = IO::File->new($tmpfilename, O_RDWR|O_CREAT|O_EXCL, 0600) || | |
1317 | die "unable to create temporary upload file '$tmpfilename'"; | |
1318 | ||
1319 | $reqstate->{keep_alive} = 0; | |
1320 | ||
1321 | my $boundlen = length($boundary) + 8; # \015?\012--$boundary--\015?\012 | |
1322 | ||
1323 | my $state = { | |
1324 | size => $len, | |
1325 | boundary => $boundary, | |
1326 | ctx => Digest::MD5->new, | |
1327 | boundlen => $boundlen, | |
1328 | maxheader => 2048 + $boundlen, # should be large enough | |
1329 | params => decode_urlencoded($r->url->query()), | |
1330 | phase => 0, | |
1331 | read => 0, | |
209b203e | 1332 | post_size => 0, |
d06a1c62 DM |
1333 | starttime => [gettimeofday], |
1334 | outfh => $outfh, | |
1335 | }; | |
1336 | $reqstate->{tmpfilename} = $tmpfilename; | |
1d7f84a1 | 1337 | $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $method, $path, $state); }); |
d06a1c62 DM |
1338 | return; |
1339 | } | |
1340 | ||
209b203e DM |
1341 | if ($len > $limit_max_post) { |
1342 | $self->error($reqstate, 501, "for data too large"); | |
1343 | return; | |
1344 | } | |
1345 | ||
d06a1c62 DM |
1346 | if (!$ct || $ct eq 'application/x-www-form-urlencoded') { |
1347 | $reqstate->{hdl}->unshift_read(chunk => $len, sub { | |
1348 | my ($hdl, $data) = @_; | |
1349 | $r->content($data); | |
1d7f84a1 | 1350 | $self->handle_request($reqstate, $auth, $method, $path); |
d06a1c62 DM |
1351 | }); |
1352 | } else { | |
1353 | $self->error($reqstate, 506, "upload 'Content-Type '$ctype' not implemented"); | |
1354 | } | |
57f93db1 | 1355 | } else { |
1d7f84a1 | 1356 | $self->handle_request($reqstate, $auth, $method, $path); |
57f93db1 DM |
1357 | } |
1358 | } elsif ($line =~ /^([^:\s]+)\s*:\s*(.*)/) { | |
1359 | $r->push_header($state->{key}, $state->{val}) if $state->{key}; | |
1360 | ($state->{key}, $state->{val}) = ($1, $2); | |
1361 | $self->unshift_read_header($reqstate, $state); | |
1362 | } elsif ($line =~ /^\s+(.*)/) { | |
1363 | $state->{val} .= " $1"; | |
1364 | $self->unshift_read_header($reqstate, $state); | |
1365 | } else { | |
1366 | $self->error($reqstate, 506, "unable to parse request header"); | |
1367 | } | |
1368 | }; | |
1369 | warn $@ if $@; | |
1370 | }); | |
1371 | }; | |
1372 | ||
1373 | sub push_request_header { | |
1374 | my ($self, $reqstate) = @_; | |
1375 | ||
1376 | eval { | |
1377 | $reqstate->{hdl}->push_read(line => sub { | |
1378 | my ($hdl, $line) = @_; | |
1379 | ||
1380 | eval { | |
89634434 | 1381 | # print "got request header: $line\n" if $self->{debug}; |
f91072d5 | 1382 | |
57f93db1 DM |
1383 | $reqstate->{keep_alive}--; |
1384 | ||
1385 | if ($line =~ /(\S+)\040(\S+)\040HTTP\/(\d+)\.(\d+)/o) { | |
9195c8f9 | 1386 | my ($method, $url, $maj, $min) = ($1, $2, $3, $4); |
57f93db1 DM |
1387 | |
1388 | if ($maj != 1) { | |
1389 | $self->error($reqstate, 506, "http protocol version $maj.$min not supported"); | |
1390 | return; | |
1391 | } | |
1392 | ||
1393 | $self->{request_count}++; # only count valid request headers | |
1394 | if ($self->{request_count} >= $self->{max_requests}) { | |
f91072d5 | 1395 | $self->{end_loop} = 1; |
57f93db1 DM |
1396 | } |
1397 | $reqstate->{log} = { requestline => $line }; | |
d0547f7f | 1398 | $reqstate->{proto}->{str} = "HTTP/$maj.$min"; |
57f93db1 DM |
1399 | $reqstate->{proto}->{maj} = $maj; |
1400 | $reqstate->{proto}->{min} = $min; | |
1401 | $reqstate->{proto}->{ver} = $maj*1000+$min; | |
1d7f84a1 | 1402 | $reqstate->{request} = HTTP::Request->new($method, $url); |
8dc1715b | 1403 | $reqstate->{starttime} = [gettimeofday], |
57f93db1 DM |
1404 | |
1405 | $self->unshift_read_header($reqstate); | |
1406 | } elsif ($line eq '') { | |
1407 | # ignore empty lines before requests (browser bugs?) | |
1408 | $self->push_request_header($reqstate); | |
1409 | } else { | |
1410 | $self->error($reqstate, 400, 'bad request'); | |
1411 | } | |
1412 | }; | |
1413 | warn $@ if $@; | |
1414 | }); | |
1415 | }; | |
1416 | warn $@ if $@; | |
1417 | } | |
1418 | ||
1419 | sub accept { | |
1420 | my ($self) = @_; | |
1421 | ||
1422 | my $clientfh; | |
1423 | ||
1424 | return if $self->{end_loop}; | |
1425 | ||
1426 | # we need to m make sure that only one process calls accept | |
1427 | while (!flock($self->{lockfh}, Fcntl::LOCK_EX())) { | |
1428 | next if $! == EINTR; | |
1429 | die "could not get lock on file '$self->{lockfile}' - $!\n"; | |
1430 | } | |
1431 | ||
1432 | my $again = 0; | |
1433 | my $errmsg; | |
1434 | eval { | |
1435 | while (!$self->{end_loop} && | |
1436 | !defined($clientfh = $self->{socket}->accept()) && | |
1437 | ($! == EINTR)) {}; | |
1438 | ||
1439 | if ($self->{end_loop}) { | |
1440 | $again = 0; | |
1441 | } else { | |
1442 | $again = ($! == EAGAIN || $! == WSAEWOULDBLOCK); | |
1443 | if (!defined($clientfh)) { | |
1444 | $errmsg = "failed to accept connection: $!\n"; | |
1445 | } | |
1446 | } | |
1447 | }; | |
1448 | warn $@ if $@; | |
1449 | ||
1450 | flock($self->{lockfh}, Fcntl::LOCK_UN()); | |
1451 | ||
1452 | if (!defined($clientfh)) { | |
1453 | return if $again; | |
1454 | die $errmsg if $errmsg; | |
1455 | } | |
1456 | ||
f91072d5 | 1457 | fh_nonblocking $clientfh, 1; |
57f93db1 DM |
1458 | |
1459 | $self->{conn_count}++; | |
1460 | ||
57f93db1 DM |
1461 | return $clientfh; |
1462 | } | |
1463 | ||
1464 | sub wait_end_loop { | |
1465 | my ($self) = @_; | |
1466 | ||
1467 | $self->{end_loop} = 1; | |
1468 | ||
1469 | undef $self->{socket_watch}; | |
f91072d5 | 1470 | |
81733604 DM |
1471 | $0 = "$0 (shutdown)" if $0 !~ m/\(shutdown\)$/; |
1472 | ||
57f93db1 DM |
1473 | if ($self->{conn_count} <= 0) { |
1474 | $self->{end_cond}->send(1); | |
1475 | return; | |
1476 | } | |
1477 | ||
9cad08ca DM |
1478 | # fork and exit, so that parent starts a new worker |
1479 | if (fork()) { | |
1480 | exit(0); | |
1481 | } | |
1482 | ||
57f93db1 DM |
1483 | # else we need to wait until all open connections gets closed |
1484 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1485 | eval { | |
f91072d5 | 1486 | # todo: test for active connections instead (we can abort idle connections) |
57f93db1 DM |
1487 | if ($self->{conn_count} <= 0) { |
1488 | undef $w; | |
1489 | $self->{end_cond}->send(1); | |
1490 | } | |
1491 | }; | |
1492 | warn $@ if $@; | |
1493 | }); | |
1494 | } | |
f91072d5 | 1495 | |
a908636e DM |
1496 | |
1497 | sub check_host_access { | |
1498 | my ($self, $clientip) = @_; | |
1499 | ||
1500 | my $cip = Net::IP->new($clientip); | |
1501 | ||
1502 | my $match_allow = 0; | |
1503 | my $match_deny = 0; | |
1504 | ||
1505 | if ($self->{allow_from}) { | |
1506 | foreach my $t (@{$self->{allow_from}}) { | |
1507 | if ($t->overlaps($cip)) { | |
1508 | $match_allow = 1; | |
1509 | last; | |
1510 | } | |
1511 | } | |
1512 | } | |
1513 | ||
1514 | if ($self->{deny_from}) { | |
1515 | foreach my $t (@{$self->{deny_from}}) { | |
1516 | if ($t->overlaps($cip)) { | |
1517 | $match_deny = 1; | |
1518 | last; | |
1519 | } | |
1520 | } | |
1521 | } | |
1522 | ||
1523 | if ($match_allow == $match_deny) { | |
1524 | # match both allow and deny, or no match | |
1525 | return $self->{policy} && $self->{policy} eq 'allow' ? 1 : 0; | |
1526 | } | |
1527 | ||
1528 | return $match_allow; | |
1529 | } | |
1530 | ||
57f93db1 DM |
1531 | sub accept_connections { |
1532 | my ($self) = @_; | |
1533 | ||
1534 | eval { | |
1535 | ||
1536 | while (my $clientfh = $self->accept()) { | |
1537 | ||
1538 | my $reqstate = { keep_alive => $self->{keep_alive} }; | |
1539 | ||
02667982 DM |
1540 | # stop keep-alive when there are many open connections |
1541 | if ($self->{conn_count} >= $self->{max_conn_soft_limit}) { | |
1542 | $reqstate->{keep_alive} = 0; | |
1543 | } | |
1544 | ||
57f93db1 | 1545 | if (my $sin = getpeername($clientfh)) { |
09316f4c WB |
1546 | my ($pfamily, $pport, $phost) = PVE::Tools::unpack_sockaddr_in46($sin); |
1547 | ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntop($pfamily, $phost)); | |
57f93db1 DM |
1548 | } |
1549 | ||
a908636e DM |
1550 | if (!$self->{trusted_env} && !$self->check_host_access($reqstate->{peer_host})) { |
1551 | print "$$: ABORT request from $reqstate->{peer_host} - access denied\n" if $self->{debug}; | |
1552 | $reqstate->{log}->{code} = 403; | |
1553 | $self->log_request($reqstate); | |
1554 | next; | |
1555 | } | |
1556 | ||
57f93db1 DM |
1557 | $reqstate->{hdl} = AnyEvent::Handle->new( |
1558 | fh => $clientfh, | |
d06a1c62 | 1559 | rbuf_max => 64*1024, |
57f93db1 DM |
1560 | timeout => $self->{timeout}, |
1561 | linger => 0, # avoid problems with ssh - really needed ? | |
1562 | on_eof => sub { | |
1563 | my ($hdl) = @_; | |
1564 | eval { | |
1565 | $self->log_aborted_request($reqstate); | |
1566 | $self->client_do_disconnect($reqstate); | |
1567 | }; | |
1568 | if (my $err = $@) { syslog('err', $err); } | |
1569 | }, | |
f91072d5 | 1570 | on_error => sub { |
57f93db1 DM |
1571 | my ($hdl, $fatal, $message) = @_; |
1572 | eval { | |
1573 | $self->log_aborted_request($reqstate, $message); | |
1574 | $self->client_do_disconnect($reqstate); | |
1575 | }; | |
1576 | if (my $err = $@) { syslog('err', "$err"); } | |
1577 | }, | |
1578 | ($self->{tls_ctx} ? (tls => "accept", tls_ctx => $self->{tls_ctx}) : ())); | |
1579 | ||
f91072d5 | 1580 | print "$$: ACCEPT FH" . $clientfh->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; |
57f93db1 DM |
1581 | |
1582 | $self->push_request_header($reqstate); | |
1583 | } | |
1584 | }; | |
1585 | ||
1586 | if (my $err = $@) { | |
1587 | syslog('err', $err); | |
1588 | $self->{end_loop} = 1; | |
1589 | } | |
1590 | ||
1591 | $self->wait_end_loop() if $self->{end_loop}; | |
1592 | } | |
1593 | ||
c2e9823c DM |
1594 | # Note: We can't open log file in non-blocking mode and use AnyEvent::Handle, |
1595 | # because we write from multiple processes, and that would arbitrarily mix output | |
f91072d5 | 1596 | # of all processes. |
57f93db1 DM |
1597 | sub open_access_log { |
1598 | my ($self, $filename) = @_; | |
1599 | ||
1600 | my $old_mask = umask(0137);; | |
1601 | my $logfh = IO::File->new($filename, ">>") || | |
1602 | die "unable to open log file '$filename' - $!\n"; | |
1603 | umask($old_mask); | |
1604 | ||
c2e9823c DM |
1605 | $logfh->autoflush(1); |
1606 | ||
1607 | $self->{logfh} = $logfh; | |
1608 | } | |
1609 | ||
1610 | sub write_log { | |
1611 | my ($self, $data) = @_; | |
1612 | ||
1613 | return if !defined($self->{logfh}) || !$data; | |
1614 | ||
1615 | my $res = $self->{logfh}->print($data); | |
1616 | ||
1617 | if (!$res) { | |
1618 | delete $self->{logfh}; | |
1619 | syslog('err', "error writing access log"); | |
1620 | $self->{end_loop} = 1; # terminate asap | |
1621 | } | |
57f93db1 DM |
1622 | } |
1623 | ||
353fef24 DM |
1624 | sub atfork_handler { |
1625 | my ($self) = @_; | |
1626 | ||
1627 | eval { | |
1628 | # something else do to ? | |
1629 | close($self->{socket}); | |
1630 | }; | |
1631 | warn $@ if $@; | |
1632 | } | |
1633 | ||
57f93db1 DM |
1634 | sub new { |
1635 | my ($this, %args) = @_; | |
1636 | ||
1637 | my $class = ref($this) || $this; | |
1638 | ||
d804d82f | 1639 | foreach my $req (qw(base_handler_class socket lockfh lockfile)) { |
57f93db1 DM |
1640 | die "misssing required argument '$req'" if !defined($args{$req}); |
1641 | } | |
1642 | ||
1643 | my $self = bless { %args }, $class; | |
1644 | ||
25de0db1 DM |
1645 | $self->{cookie_name} //= 'PVEAuthCookie'; |
1646 | ||
d804d82f DM |
1647 | PVE::REST::set_base_handler_class($self->{base_handler_class}); |
1648 | ||
f91072d5 DM |
1649 | # init inotify |
1650 | PVE::INotify::inotify_init(); | |
1651 | ||
f91072d5 | 1652 | $self->{rpcenv} = PVE::RPCEnvironment->init( |
353fef24 | 1653 | $self->{trusted_env} ? 'priv' : 'pub', atfork => sub { $self-> atfork_handler() }); |
f91072d5 | 1654 | |
57f93db1 DM |
1655 | fh_nonblocking($self->{socket}, 1); |
1656 | ||
1657 | $self->{end_loop} = 0; | |
1658 | $self->{conn_count} = 0; | |
1659 | $self->{request_count} = 0; | |
1660 | $self->{timeout} = 5 if !$self->{timeout}; | |
1661 | $self->{keep_alive} = 0 if !defined($self->{keep_alive}); | |
1662 | $self->{max_conn} = 800 if !$self->{max_conn}; | |
1663 | $self->{max_requests} = 8000 if !$self->{max_requests}; | |
1664 | ||
a908636e DM |
1665 | $self->{policy} = 'allow' if !$self->{policy}; |
1666 | ||
57f93db1 DM |
1667 | $self->{end_cond} = AnyEvent->condvar; |
1668 | ||
1669 | if ($self->{ssl}) { | |
f91072d5 | 1670 | $self->{tls_ctx} = AnyEvent::TLS->new(%{$self->{ssl}}); |
855689ff JE |
1671 | # TODO : openssl >= 1.0.2 supports SSL_CTX_set_ecdh_auto to select a curve depending on |
1672 | # server and client availability from SSL_CTX_set1_curves. | |
1673 | # that way other curves like 25519 can be used. | |
1674 | # openssl 1.0.1 can only support 1 curve at a time. | |
1675 | my $curve = Net::SSLeay::OBJ_txt2nid('prime256v1'); | |
1676 | my $ecdh = Net::SSLeay::EC_KEY_new_by_curve_name($curve); | |
1677 | Net::SSLeay::CTX_set_options($self->{tls_ctx}->{ctx}, &Net::SSLeay::OP_NO_COMPRESSION | &Net::SSLeay::OP_SINGLE_ECDH_USE | &Net::SSLeay::OP_SINGLE_DH_USE); | |
1678 | Net::SSLeay::CTX_set_tmp_ecdh($self->{tls_ctx}->{ctx}, $ecdh); | |
1679 | Net::SSLeay::EC_KEY_free($ecdh); | |
57f93db1 DM |
1680 | } |
1681 | ||
33afb29b DM |
1682 | if ($self->{spiceproxy}) { |
1683 | $known_methods = { CONNECT => 1 }; | |
1684 | } | |
1685 | ||
57f93db1 | 1686 | $self->open_access_log($self->{logfile}) if $self->{logfile}; |
f91072d5 | 1687 | |
02667982 DM |
1688 | $self->{max_conn_soft_limit} = $self->{max_conn} > 100 ? $self->{max_conn} - 20 : $self->{max_conn}; |
1689 | ||
57f93db1 DM |
1690 | $self->{socket_watch} = AnyEvent->io(fh => $self->{socket}, poll => 'r', cb => sub { |
1691 | eval { | |
1692 | if ($self->{conn_count} >= $self->{max_conn}) { | |
1693 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1694 | if ($self->{conn_count} < $self->{max_conn}) { | |
1695 | undef $w; | |
1696 | $self->accept_connections(); | |
1697 | } | |
1698 | }); | |
1699 | } else { | |
1700 | $self->accept_connections(); | |
f91072d5 | 1701 | } |
57f93db1 DM |
1702 | }; |
1703 | warn $@ if $@; | |
1704 | }); | |
1705 | ||
1706 | $self->{term_watch} = AnyEvent->signal(signal => "TERM", cb => sub { | |
1707 | undef $self->{term_watch}; | |
1708 | $self->wait_end_loop(); | |
1709 | }); | |
1710 | ||
f91072d5 | 1711 | $self->{quit_watch} = AnyEvent->signal(signal => "QUIT", cb => sub { |
57f93db1 DM |
1712 | undef $self->{quit_watch}; |
1713 | $self->wait_end_loop(); | |
1714 | }); | |
1715 | ||
f91072d5 DM |
1716 | $self->{inotify_poll} = AnyEvent->timer(after => 5, interval => 5, cb => sub { |
1717 | PVE::INotify::poll(); # read inotify events | |
1718 | }); | |
1719 | ||
57f93db1 DM |
1720 | return $self; |
1721 | } | |
1722 | ||
1723 | sub run { | |
1724 | my ($self) = @_; | |
1725 | ||
1726 | $self->{end_cond}->recv; | |
1727 | } | |
1728 | ||
1729 | 1; |