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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; | |
28 | ||
a908636e | 29 | use Net::IP; |
57f93db1 | 30 | use URI; |
9195c8f9 | 31 | use URI::Escape; |
57f93db1 DM |
32 | use HTTP::Status qw(:constants); |
33 | use HTTP::Headers; | |
34 | use HTTP::Response; | |
f6c357cf | 35 | use Data::Dumper; |
57f93db1 | 36 | |
209b203e DM |
37 | my $limit_max_headers = 30; |
38 | my $limit_max_header_size = 8*1024; | |
39 | my $limit_max_post = 16*1024; | |
57f93db1 | 40 | |
57f93db1 DM |
41 | |
42 | my $known_methods = { | |
43 | GET => 1, | |
44 | POST => 1, | |
45 | PUT => 1, | |
46 | DELETE => 1, | |
47 | }; | |
48 | ||
d06a1c62 DM |
49 | my $baseuri = "/api2"; |
50 | ||
51 | sub split_abs_uri { | |
52 | my ($abs_uri) = @_; | |
53 | ||
3ed61033 | 54 | my ($format, $rel_uri) = $abs_uri =~ m/^\Q$baseuri\E\/+([a-z][a-z0-9]+)(\/.*)?$/; |
d06a1c62 DM |
55 | $rel_uri = '/' if !$rel_uri; |
56 | ||
57 | return wantarray ? ($rel_uri, $format) : $rel_uri; | |
58 | } | |
59 | ||
6fcbe87a | 60 | # generic formatter support |
1370ec61 | 61 | |
6fcbe87a | 62 | my $formatter_hash = {}; |
1370ec61 | 63 | |
6fcbe87a | 64 | sub register_formatter { |
1370ec61 DM |
65 | my ($format, $func) = @_; |
66 | ||
6fcbe87a | 67 | die "formatter '$format' already defined" if $formatter_hash->{$format}; |
1370ec61 | 68 | |
6fcbe87a | 69 | $formatter_hash->{$format} = { |
1370ec61 DM |
70 | func => $func, |
71 | }; | |
72 | } | |
73 | ||
6fcbe87a | 74 | sub get_formatter { |
1370ec61 DM |
75 | my ($format) = @_; |
76 | ||
77 | return undef if !$format; | |
78 | ||
6fcbe87a | 79 | my $info = $formatter_hash->{$format}; |
1370ec61 DM |
80 | return undef if !$info; |
81 | ||
82 | return $info->{func}; | |
83 | } | |
84 | ||
6fcbe87a | 85 | my $login_formatter_hash = {}; |
1370ec61 | 86 | |
6fcbe87a | 87 | sub register_login_formatter { |
1370ec61 DM |
88 | my ($format, $func) = @_; |
89 | ||
6fcbe87a | 90 | die "login formatter '$format' already defined" if $login_formatter_hash->{$format}; |
1370ec61 | 91 | |
6fcbe87a | 92 | $login_formatter_hash->{$format} = { |
1370ec61 DM |
93 | func => $func, |
94 | }; | |
95 | } | |
96 | ||
6fcbe87a | 97 | sub get_login_formatter { |
1370ec61 DM |
98 | my ($format) = @_; |
99 | ||
100 | return undef if !$format; | |
101 | ||
6fcbe87a | 102 | my $info = $login_formatter_hash->{$format}; |
1370ec61 DM |
103 | return undef if !$info; |
104 | ||
105 | return $info->{func}; | |
106 | } | |
107 | ||
108 | # server implementation | |
109 | ||
57f93db1 DM |
110 | sub log_request { |
111 | my ($self, $reqstate) = @_; | |
112 | ||
57f93db1 DM |
113 | my $loginfo = $reqstate->{log}; |
114 | ||
115 | # like apache2 common log format | |
116 | # LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" | |
117 | ||
8d5310c1 DM |
118 | return if $loginfo->{written}; # avoid duplicate logs |
119 | $loginfo->{written} = 1; | |
120 | ||
57f93db1 DM |
121 | my $peerip = $reqstate->{peer_host} || '-'; |
122 | my $userid = $loginfo->{userid} || '-'; | |
123 | my $content_length = defined($loginfo->{content_length}) ? $loginfo->{content_length} : '-'; | |
124 | my $code = $loginfo->{code} || 500; | |
125 | my $requestline = $loginfo->{requestline} || '-'; | |
126 | my $timestr = strftime("%d/%b/%Y:%H:%M:%S %z", localtime()); | |
127 | ||
128 | my $msg = "$peerip - $userid [$timestr] \"$requestline\" $code $content_length\n"; | |
129 | ||
c2e9823c | 130 | $self->write_log($msg); |
57f93db1 DM |
131 | } |
132 | ||
133 | sub log_aborted_request { | |
134 | my ($self, $reqstate, $error) = @_; | |
135 | ||
136 | my $r = $reqstate->{request}; | |
137 | return if !$r; # no active request | |
138 | ||
139 | if ($error) { | |
140 | syslog("err", "problem with client $reqstate->{peer_host}; $error"); | |
141 | } | |
f91072d5 | 142 | |
57f93db1 DM |
143 | $self->log_request($reqstate); |
144 | } | |
145 | ||
23699d1e DM |
146 | sub cleanup_reqstate { |
147 | my ($reqstate) = @_; | |
148 | ||
149 | delete $reqstate->{log}; | |
150 | delete $reqstate->{request}; | |
151 | delete $reqstate->{proto}; | |
152 | delete $reqstate->{accept_gzip}; | |
8dc1715b | 153 | delete $reqstate->{starttime}; |
57f93db1 | 154 | |
d06a1c62 DM |
155 | if ($reqstate->{tmpfilename}) { |
156 | unlink $reqstate->{tmpfilename}; | |
157 | delete $reqstate->{tmpfilename}; | |
158 | } | |
23699d1e DM |
159 | } |
160 | ||
161 | sub client_do_disconnect { | |
162 | my ($self, $reqstate) = @_; | |
163 | ||
164 | cleanup_reqstate($reqstate); | |
d06a1c62 | 165 | |
89634434 DM |
166 | my $shutdown_hdl = sub { |
167 | my $hdl = shift; | |
168 | ||
169 | shutdown($hdl->{fh}, 1); | |
170 | # clear all handlers | |
171 | $hdl->on_drain(undef); | |
172 | $hdl->on_read(undef); | |
173 | $hdl->on_eof(undef); | |
174 | }; | |
175 | ||
176 | if (my $proxyhdl = delete $reqstate->{proxyhdl}) { | |
177 | &$shutdown_hdl($proxyhdl); | |
178 | } | |
179 | ||
57f93db1 DM |
180 | my $hdl = delete $reqstate->{hdl}; |
181 | ||
182 | if (!$hdl) { | |
183 | syslog('err', "detected empty handle"); | |
184 | return; | |
185 | } | |
186 | ||
89634434 DM |
187 | print "close connection $hdl\n" if $self->{debug}; |
188 | ||
189 | &$shutdown_hdl($hdl); | |
57f93db1 | 190 | |
57f93db1 DM |
191 | $self->{conn_count}--; |
192 | ||
f91072d5 | 193 | print "$$: CLOSE FH" . $hdl->{fh}->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; |
57f93db1 DM |
194 | } |
195 | ||
196 | sub finish_response { | |
197 | my ($self, $reqstate) = @_; | |
198 | ||
199 | my $hdl = $reqstate->{hdl}; | |
200 | ||
23699d1e | 201 | cleanup_reqstate($reqstate); |
d06a1c62 | 202 | |
57f93db1 | 203 | if (!$self->{end_loop} && $reqstate->{keep_alive} > 0) { |
d06a1c62 | 204 | # print "KEEPALIVE $reqstate->{keep_alive}\n" if $self->{debug}; |
f91072d5 | 205 | $hdl->on_read(sub { |
57f93db1 DM |
206 | eval { $self->push_request_header($reqstate); }; |
207 | warn $@ if $@; | |
208 | }); | |
209 | } else { | |
210 | $hdl->on_drain (sub { | |
f91072d5 DM |
211 | eval { |
212 | $self->client_do_disconnect($reqstate); | |
213 | }; | |
57f93db1 DM |
214 | warn $@ if $@; |
215 | }); | |
216 | } | |
217 | } | |
218 | ||
219 | sub response { | |
8dc1715b | 220 | my ($self, $reqstate, $resp, $mtime, $nocomp, $delay) = @_; |
57f93db1 DM |
221 | |
222 | #print "$$: send response: " . Dumper($resp); | |
223 | ||
23699d1e DM |
224 | # activate timeout |
225 | $reqstate->{hdl}->timeout_reset(); | |
226 | $reqstate->{hdl}->timeout($self->{timeout}); | |
227 | ||
5c495833 DM |
228 | $nocomp = 1 if !$reqstate->{accept_gzip}; |
229 | ||
57f93db1 DM |
230 | my $code = $resp->code; |
231 | my $msg = $resp->message || HTTP::Status::status_message($code); | |
232 | ($msg) = $msg =~m/^(.*)$/m; | |
233 | my $content = $resp->content; | |
234 | ||
235 | if ($code =~ /^(1\d\d|[23]04)$/) { | |
236 | # make sure content we have no content | |
237 | $content = ""; | |
238 | } | |
239 | ||
88ad4103 | 240 | $reqstate->{keep_alive} = 0 if ($code >= 400) || $self->{end_loop}; |
57f93db1 DM |
241 | |
242 | $reqstate->{log}->{code} = $code; | |
243 | ||
1319da81 DM |
244 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; |
245 | my $res = "$proto $code $msg\015\012"; | |
f91072d5 | 246 | |
57f93db1 DM |
247 | my $ctime = time(); |
248 | my $date = HTTP::Date::time2str($ctime); | |
249 | $resp->header('Date' => $date); | |
250 | if ($mtime) { | |
251 | $resp->header('Last-Modified' => HTTP::Date::time2str($mtime)); | |
252 | } else { | |
253 | $resp->header('Expires' => $date); | |
254 | $resp->header('Cache-Control' => "max-age=0"); | |
255 | $resp->header("Pragma", "no-cache"); | |
256 | } | |
257 | ||
258 | $resp->header('Server' => "pve-api-daemon/3.0"); | |
259 | ||
260 | my $content_length; | |
f91072d5 | 261 | if ($content) { |
57f93db1 DM |
262 | |
263 | $content_length = length($content); | |
264 | ||
265 | if (!$nocomp && ($content_length > 1024)) { | |
266 | my $comp = Compress::Zlib::memGzip($content); | |
267 | $resp->header('Content-Encoding', 'gzip'); | |
268 | $content = $comp; | |
269 | $content_length = length($content); | |
270 | } | |
271 | $resp->header("Content-Length" => $content_length); | |
272 | $reqstate->{log}->{content_length} = $content_length; | |
f91072d5 | 273 | |
57f93db1 DM |
274 | } else { |
275 | $resp->remove_header("Content-Length"); | |
276 | } | |
f91072d5 | 277 | |
57f93db1 DM |
278 | if ($reqstate->{keep_alive} > 0) { |
279 | $resp->push_header('Connection' => 'Keep-Alive'); | |
280 | } else { | |
281 | $resp->header('Connection' => 'close'); | |
282 | } | |
283 | ||
284 | $res .= $resp->headers_as_string("\015\012"); | |
f91072d5 | 285 | #print "SEND(without content) $res\n" if $self->{debug}; |
57f93db1 DM |
286 | |
287 | $res .= "\015\012"; | |
33afb29b | 288 | $res .= $content if $content; |
57f93db1 DM |
289 | |
290 | $self->log_request($reqstate, $reqstate->{request}); | |
8dc1715b DM |
291 | |
292 | if ($delay && $delay > 0) { | |
293 | my $w; $w = AnyEvent->timer(after => $delay, cb => sub { | |
294 | undef $w; # delete reference | |
295 | $reqstate->{hdl}->push_write($res); | |
296 | $self->finish_response($reqstate); | |
297 | }); | |
298 | } else { | |
299 | $reqstate->{hdl}->push_write($res); | |
300 | $self->finish_response($reqstate); | |
301 | } | |
57f93db1 DM |
302 | } |
303 | ||
304 | sub error { | |
305 | my ($self, $reqstate, $code, $msg, $hdr, $content) = @_; | |
306 | ||
307 | eval { | |
f91072d5 | 308 | my $resp = HTTP::Response->new($code, $msg, $hdr, $content); |
57f93db1 DM |
309 | $self->response($reqstate, $resp); |
310 | }; | |
311 | warn $@ if $@; | |
312 | } | |
313 | ||
314 | sub send_file_start { | |
315 | my ($self, $reqstate, $filename) = @_; | |
316 | ||
317 | eval { | |
318 | # print "SEND FILE $filename\n"; | |
f91072d5 | 319 | # Note: aio_load() this is not really async unless we use IO::AIO! |
57f93db1 DM |
320 | eval { |
321 | ||
88ad4103 DM |
322 | my $r = $reqstate->{request}; |
323 | ||
57f93db1 DM |
324 | my $fh = IO::File->new($filename, '<') || |
325 | die "$!\n"; | |
326 | my $stat = File::stat::stat($fh) || | |
327 | die "$!\n"; | |
88ad4103 DM |
328 | |
329 | my $mtime = $stat->mtime; | |
330 | ||
331 | if (my $ifmod = $r->header('if-modified-since')) { | |
332 | my $iftime = HTTP::Date::str2time($ifmod); | |
333 | if ($mtime <= $iftime) { | |
334 | my $resp = HTTP::Response->new(304, "NOT MODIFIED"); | |
335 | $self->response($reqstate, $resp, $mtime); | |
336 | return; | |
337 | } | |
338 | } | |
f91072d5 | 339 | |
57f93db1 DM |
340 | my $data; |
341 | my $len = sysread($fh, $data, $stat->size); | |
342 | die "got short file\n" if !defined($len) || $len != $stat->size; | |
343 | ||
344 | my $ct; | |
0ebf2fa8 | 345 | my $nocomp; |
57f93db1 DM |
346 | if ($filename =~ m/\.css$/) { |
347 | $ct = 'text/css'; | |
657b2c27 DM |
348 | } elsif ($filename =~ m/\.html$/) { |
349 | $ct = 'text/html'; | |
f91072d5 | 350 | } elsif ($filename =~ m/\.js$/) { |
57f93db1 | 351 | $ct = 'application/javascript'; |
f91072d5 | 352 | } elsif ($filename =~ m/\.png$/) { |
57f93db1 | 353 | $ct = 'image/png'; |
0ebf2fa8 | 354 | $nocomp = 1; |
e88a5cde DM |
355 | } elsif ($filename =~ m/\.ico$/) { |
356 | $ct = 'image/x-icon'; | |
357 | $nocomp = 1; | |
f91072d5 | 358 | } elsif ($filename =~ m/\.gif$/) { |
57f93db1 | 359 | $ct = 'image/gif'; |
0ebf2fa8 | 360 | $nocomp = 1; |
f91072d5 | 361 | } elsif ($filename =~ m/\.jar$/) { |
57f93db1 | 362 | $ct = 'application/java-archive'; |
a49706cb | 363 | $nocomp = 1; |
a9acb2ba DM |
364 | } elsif ($filename =~ m/\.woff$/) { |
365 | $ct = 'application/font-woff'; | |
366 | $nocomp = 1; | |
367 | } elsif ($filename =~ m/\.ttf$/) { | |
368 | $ct = 'application/x-font-ttf'; | |
369 | $nocomp = 1; | |
57f93db1 DM |
370 | } else { |
371 | die "unable to detect content type"; | |
372 | } | |
373 | ||
374 | my $header = HTTP::Headers->new(Content_Type => $ct); | |
f91072d5 | 375 | my $resp = HTTP::Response->new(200, "OK", $header, $data); |
0ebf2fa8 | 376 | $self->response($reqstate, $resp, $mtime, $nocomp); |
57f93db1 DM |
377 | }; |
378 | if (my $err = $@) { | |
379 | $self->error($reqstate, 501, $err); | |
380 | } | |
381 | }; | |
f91072d5 | 382 | |
57f93db1 DM |
383 | warn $@ if $@; |
384 | } | |
385 | ||
e60b9647 DM |
386 | sub websocket_proxy { |
387 | my ($self, $reqstate, $wsaccept, $wsproto, $param) = @_; | |
388 | ||
389 | eval { | |
390 | my $remhost; | |
391 | my $remport; | |
392 | ||
393 | my $max_payload_size = 65536; | |
394 | ||
395 | my $binary; | |
396 | if ($wsproto eq 'binary') { | |
397 | $binary = 1; | |
398 | } elsif ($wsproto eq 'base64') { | |
399 | $binary = 0; | |
400 | } else { | |
401 | die "websocket_proxy: unsupported protocol '$wsproto'\n"; | |
402 | } | |
403 | ||
404 | if ($param->{port}) { | |
0e007a5d | 405 | $remhost = 'localhost'; |
e60b9647 DM |
406 | $remport = $param->{port}; |
407 | } elsif ($param->{socket}) { | |
408 | $remhost = 'unix/'; | |
409 | $remport = $param->{socket}; | |
410 | } else { | |
411 | die "websocket_proxy: missing port or socket\n"; | |
412 | } | |
413 | ||
414 | tcp_connect $remhost, $remport, sub { | |
415 | my ($fh) = @_ | |
416 | or die "connect to '$remhost:$remport' failed: $!"; | |
417 | ||
418 | print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug}; | |
419 | ||
420 | $reqstate->{proxyhdl} = AnyEvent::Handle->new( | |
421 | fh => $fh, | |
422 | rbuf_max => 64*1024, | |
423 | wbuf_max => 64*10*1024, | |
424 | timeout => 5, | |
425 | on_eof => sub { | |
426 | my ($hdl) = @_; | |
427 | eval { | |
428 | $self->log_aborted_request($reqstate); | |
429 | $self->client_do_disconnect($reqstate); | |
430 | }; | |
431 | if (my $err = $@) { syslog('err', $err); } | |
432 | }, | |
433 | on_error => sub { | |
434 | my ($hdl, $fatal, $message) = @_; | |
435 | eval { | |
436 | $self->log_aborted_request($reqstate, $message); | |
437 | $self->client_do_disconnect($reqstate); | |
438 | }; | |
439 | if (my $err = $@) { syslog('err', "$err"); } | |
440 | }); | |
441 | ||
442 | my $proxyhdlreader = sub { | |
443 | my ($hdl) = @_; | |
444 | ||
445 | my $len = length($hdl->{rbuf}); | |
446 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
447 | ||
448 | my $string; | |
449 | my $payload; | |
450 | ||
451 | if ($binary) { | |
452 | $string = "\x82"; # binary frame | |
453 | $payload = $data; | |
454 | } else { | |
455 | $string = "\x81"; # text frame | |
456 | $payload = encode_base64($data, ''); | |
457 | } | |
458 | ||
459 | my $payload_len = length($payload); | |
460 | if ($payload_len <= 125) { | |
461 | $string .= pack 'C', $payload_len; | |
462 | } elsif ($payload_len <= 0xffff) { | |
463 | $string .= pack 'C', 126; | |
464 | $string .= pack 'n', $payload_len; | |
465 | } else { | |
466 | $string .= pack 'C', 127; | |
467 | $string .= pack 'Q>', $payload_len; | |
468 | } | |
469 | $string .= $payload; | |
470 | ||
471 | $reqstate->{hdl}->push_write($string) if $reqstate->{hdl}; | |
472 | }; | |
473 | ||
474 | my $hdlreader = sub { | |
475 | my ($hdl) = @_; | |
476 | ||
477 | my $len = length($hdl->{rbuf}); | |
478 | return if $len < 2; | |
479 | ||
480 | my $hdr = unpack('C', substr($hdl->{rbuf}, 0, 1)); | |
481 | my $opcode = $hdr & 0b00001111; | |
482 | my $fin = $hdr & 0b10000000; | |
483 | ||
484 | die "received fragmented websocket frame\n" if !$fin; | |
485 | ||
486 | my $rsv = $hdr & 0b01110000; | |
487 | die "received websocket frame with RSV flags\n" if $rsv; | |
488 | ||
489 | my $payload_len = unpack 'C', substr($hdl->{rbuf}, 1, 1); | |
490 | ||
491 | my $masked = $payload_len & 0b10000000; | |
492 | die "received unmasked websocket frame from client\n" if !$masked; | |
493 | ||
494 | my $offset = 2; | |
495 | $payload_len = $payload_len & 0b01111111; | |
496 | if ($payload_len == 126) { | |
497 | return if $len < 4; | |
498 | $payload_len = unpack('n', substr($hdl->{rbuf}, $offset, 2)); | |
499 | $offset += 2; | |
500 | } elsif ($payload_len == 127) { | |
501 | return if $len < 10; | |
502 | $payload_len = unpack('Q>', substr($hdl->{rbuf}, $offset, 8)); | |
503 | $offset += 8; | |
504 | } | |
505 | ||
506 | die "received too large websocket frame (len = $payload_len)\n" | |
507 | if ($payload_len > $max_payload_size) || ($payload_len < 0); | |
508 | ||
509 | return if $len < ($offset + 4 + $payload_len); | |
510 | ||
511 | my $data = substr($hdl->{rbuf}, 0, $len, ''); # now consume data | |
512 | ||
513 | my @mask = (unpack('C', substr($data, $offset+0, 1)), | |
514 | unpack('C', substr($data, $offset+1, 1)), | |
515 | unpack('C', substr($data, $offset+2, 1)), | |
516 | unpack('C', substr($data, $offset+3, 1))); | |
517 | ||
518 | $offset += 4; | |
519 | ||
520 | my $payload = substr($data, $offset, $payload_len); | |
521 | ||
522 | for (my $i = 0; $i < $payload_len; $i++) { | |
523 | my $d = unpack('C', substr($payload, $i, 1)); | |
524 | my $n = $d ^ $mask[$i % 4]; | |
525 | substr($payload, $i, 1, pack('C', $n)); | |
526 | } | |
527 | ||
528 | $payload = decode_base64($payload) if !$binary; | |
529 | ||
530 | if ($opcode == 1 || $opcode == 2) { | |
531 | $reqstate->{proxyhdl}->push_write($payload) if $reqstate->{proxyhdl}; | |
532 | } elsif ($opcode == 8) { | |
e60b9647 | 533 | print "websocket received close\n" if $self->{debug}; |
9da32f12 DM |
534 | if ($reqstate->{proxyhdl}) { |
535 | $reqstate->{proxyhdl}->push_write($payload); | |
536 | $reqstate->{proxyhdl}->push_shutdown(); | |
537 | } | |
538 | $hdl->push_shutdown(); | |
e60b9647 DM |
539 | } else { |
540 | die "received unhandled websocket opcode $opcode\n"; | |
541 | } | |
542 | }; | |
543 | ||
544 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.1'; | |
545 | ||
546 | $reqstate->{proxyhdl}->timeout(0); | |
547 | $reqstate->{proxyhdl}->on_read($proxyhdlreader); | |
548 | $reqstate->{hdl}->on_read($hdlreader); | |
549 | ||
550 | # todo: use stop_read/start_read if write buffer grows to much | |
551 | ||
552 | my $res = "$proto 101 Switching Protocols\015\012" . | |
553 | "Upgrade: websocket\015\012" . | |
554 | "Connection: upgrade\015\012" . | |
555 | "Sec-WebSocket-Accept: $wsaccept\015\012" . | |
556 | "Sec-WebSocket-Protocol: $wsproto\015\012" . | |
557 | "\015\012"; | |
558 | ||
559 | print $res if $self->{debug}; | |
560 | ||
561 | $reqstate->{hdl}->push_write($res); | |
562 | ||
563 | # log early | |
564 | $reqstate->{log}->{code} = 101; | |
565 | $self->log_request($reqstate); | |
566 | }; | |
567 | ||
568 | }; | |
569 | if (my $err = $@) { | |
570 | warn $err; | |
571 | $self->log_aborted_request($reqstate, $err); | |
572 | $self->client_do_disconnect($reqstate); | |
573 | } | |
574 | } | |
575 | ||
57f93db1 | 576 | sub proxy_request { |
d06a1c62 | 577 | my ($self, $reqstate, $clientip, $host, $method, $uri, $ticket, $token, $params) = @_; |
57f93db1 DM |
578 | |
579 | eval { | |
580 | my $target; | |
5a68b2b2 | 581 | my $keep_alive = 1; |
57f93db1 | 582 | if ($host eq 'localhost') { |
d06a1c62 | 583 | $target = "http://$host:85$uri"; |
5a68b2b2 DM |
584 | # keep alive for localhost is not worth (connection setup is about 0.2ms) |
585 | $keep_alive = 0; | |
232ce267 WB |
586 | } elsif (Net::IP::ip_is_ipv6($host)) { |
587 | $target = "https://[$host]:8006$uri"; | |
57f93db1 | 588 | } else { |
d06a1c62 | 589 | $target = "https://$host:8006$uri"; |
57f93db1 DM |
590 | } |
591 | ||
592 | my $headers = { | |
593 | PVEDisableProxy => 'true', | |
594 | PVEClientIP => $clientip, | |
595 | }; | |
596 | ||
57f93db1 DM |
597 | $headers->{'cookie'} = PVE::REST::create_auth_cookie($ticket) if $ticket; |
598 | $headers->{'CSRFPreventionToken'} = $token if $token; | |
5c495833 | 599 | $headers->{'Accept-Encoding'} = 'gzip' if $reqstate->{accept_gzip}; |
57f93db1 DM |
600 | |
601 | my $content; | |
602 | ||
603 | if ($method eq 'POST' || $method eq 'PUT') { | |
604 | $headers->{'Content-Type'} = 'application/x-www-form-urlencoded'; | |
d06a1c62 | 605 | # use URI object to format application/x-www-form-urlencoded content. |
57f93db1 DM |
606 | my $url = URI->new('http:'); |
607 | $url->query_form(%$params); | |
608 | $content = $url->query; | |
609 | if (defined($content)) { | |
610 | $headers->{'Content-Length'} = length($content); | |
611 | } | |
612 | } | |
613 | ||
57f93db1 | 614 | my $w; $w = http_request( |
f91072d5 DM |
615 | $method => $target, |
616 | headers => $headers, | |
617 | timeout => 30, | |
353fef24 | 618 | recurse => 0, |
139cb2da | 619 | proxy => undef, # avoid use of $ENV{HTTP_PROXY} |
5a68b2b2 | 620 | keepalive => $keep_alive, |
f91072d5 | 621 | body => $content, |
353fef24 | 622 | tls_ctx => $self->{tls_ctx}, |
57f93db1 DM |
623 | sub { |
624 | my ($body, $hdr) = @_; | |
625 | ||
626 | undef $w; | |
f91072d5 | 627 | |
17c8ec64 DM |
628 | if (!$reqstate->{hdl}) { |
629 | warn "proxy detected vanished client connection\n"; | |
630 | return; | |
631 | } | |
632 | ||
57f93db1 DM |
633 | eval { |
634 | my $code = delete $hdr->{Status}; | |
635 | my $msg = delete $hdr->{Reason}; | |
636 | delete $hdr->{URL}; | |
637 | delete $hdr->{HTTPVersion}; | |
638 | my $header = HTTP::Headers->new(%$hdr); | |
7e73c93e DM |
639 | if (my $location = $header->header('Location')) { |
640 | $location =~ s|^http://localhost:85||; | |
641 | $header->header(Location => $location); | |
642 | } | |
57f93db1 | 643 | my $resp = HTTP::Response->new($code, $msg, $header, $body); |
5c495833 | 644 | # Note: disable compression, because body is already compressed |
57f93db1 DM |
645 | $self->response($reqstate, $resp, undef, 1); |
646 | }; | |
647 | warn $@ if $@; | |
648 | }); | |
649 | }; | |
650 | warn $@ if $@; | |
651 | } | |
652 | ||
d06a1c62 DM |
653 | # return arrays as \0 separated strings (like CGI.pm) |
654 | sub decode_urlencoded { | |
655 | my ($data) = @_; | |
656 | ||
657 | my $res = {}; | |
658 | ||
659 | return $res if !$data; | |
660 | ||
661 | foreach my $kv (split(/[\&\;]/, $data)) { | |
662 | my ($k, $v) = split(/=/, $kv); | |
663 | $k =~s/\+/ /g; | |
664 | $k =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
665 | $v =~s/\+/ /g; | |
666 | $v =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
667 | ||
668 | if (defined(my $old = $res->{$k})) { | |
669 | $res->{$k} = "$old\0$v"; | |
670 | } else { | |
671 | $res->{$k} = $v; | |
672 | } | |
673 | } | |
674 | return $res; | |
675 | } | |
676 | ||
f6c357cf | 677 | sub extract_params { |
57f93db1 DM |
678 | my ($r, $method) = @_; |
679 | ||
d06a1c62 | 680 | my $params = {}; |
57f93db1 DM |
681 | |
682 | if ($method eq 'PUT' || $method eq 'POST') { | |
d06a1c62 | 683 | $params = decode_urlencoded($r->content); |
57f93db1 DM |
684 | } |
685 | ||
d06a1c62 | 686 | my $query_params = decode_urlencoded($r->url->query()); |
57f93db1 DM |
687 | |
688 | foreach my $k (keys %{$query_params}) { | |
689 | $params->{$k} = $query_params->{$k}; | |
690 | } | |
691 | ||
692 | return PVE::Tools::decode_utf8_parameters($params); | |
f6c357cf | 693 | } |
57f93db1 DM |
694 | |
695 | sub handle_api2_request { | |
1d7f84a1 | 696 | my ($self, $reqstate, $auth, $method, $path, $upload_state) = @_; |
57f93db1 DM |
697 | |
698 | eval { | |
699 | my $r = $reqstate->{request}; | |
57f93db1 | 700 | |
d06a1c62 | 701 | my ($rel_uri, $format) = split_abs_uri($path); |
3ed61033 | 702 | |
6fcbe87a | 703 | my $formatter = get_formatter($format); |
3ed61033 | 704 | |
6fcbe87a | 705 | if (!defined($formatter)) { |
3ed61033 | 706 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri $rel_uri, $format"); |
57f93db1 DM |
707 | return; |
708 | } | |
709 | ||
d0547f7f | 710 | #print Dumper($upload_state) if $upload_state; |
57f93db1 | 711 | |
d06a1c62 | 712 | my $rpcenv = $self->{rpcenv}; |
57f93db1 | 713 | |
d06a1c62 | 714 | my $params; |
57f93db1 | 715 | |
d06a1c62 DM |
716 | if ($upload_state) { |
717 | $params = $upload_state->{params}; | |
718 | } else { | |
f6c357cf | 719 | $params = extract_params($r, $method); |
d06a1c62 | 720 | } |
57f93db1 | 721 | |
d06a1c62 | 722 | delete $params->{_dc}; # remove disable cache parameter |
57f93db1 | 723 | |
d06a1c62 | 724 | my $clientip = $reqstate->{peer_host}; |
57f93db1 | 725 | |
d06a1c62 | 726 | $rpcenv->init_request(); |
57f93db1 | 727 | |
d06a1c62 | 728 | my $res = PVE::REST::rest_handler($rpcenv, $clientip, $method, $rel_uri, $auth, $params); |
57f93db1 | 729 | |
23699d1e DM |
730 | AnyEvent->now_update(); # in case somebody called sleep() |
731 | ||
57f93db1 DM |
732 | $rpcenv->set_user(undef); # clear after request |
733 | ||
e60b9647 | 734 | my $upgrade = $r->header('upgrade'); |
a47df3e4 | 735 | $upgrade = lc($upgrade) if $upgrade; |
e60b9647 | 736 | |
40ca6e9c | 737 | if (my $host = $res->{proxy}) { |
57f93db1 DM |
738 | |
739 | if ($self->{trusted_env}) { | |
740 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy not allowed"); | |
741 | return; | |
f91072d5 | 742 | } |
57f93db1 | 743 | |
40ca6e9c | 744 | if ($host ne 'localhost' && $r->header('PVEDisableProxy')) { |
f2c8b269 DM |
745 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); |
746 | return; | |
747 | } | |
748 | ||
d06a1c62 DM |
749 | $res->{proxy_params}->{tmpfilename} = $reqstate->{tmpfilename} if $upload_state; |
750 | ||
40ca6e9c | 751 | $self->proxy_request($reqstate, $clientip, $host, $method, |
d06a1c62 | 752 | $r->uri, $auth->{ticket}, $auth->{token}, $res->{proxy_params}); |
57f93db1 DM |
753 | return; |
754 | ||
e60b9647 | 755 | } elsif ($upgrade && ($method eq 'GET') && ($path =~ m|websocket$|)) { |
a47df3e4 | 756 | die "unable to upgrade to protocol '$upgrade'\n" if !$upgrade || ($upgrade ne 'websocket'); |
e60b9647 DM |
757 | my $wsver = $r->header('sec-websocket-version'); |
758 | die "unsupported websocket-version '$wsver'\n" if !$wsver || ($wsver ne '13'); | |
759 | my $wsproto_str = $r->header('sec-websocket-protocol'); | |
760 | die "missing websocket-protocol header" if !$wsproto_str; | |
761 | my $wsproto; | |
762 | foreach my $p (PVE::Tools::split_list($wsproto_str)) { | |
763 | $wsproto = $p if !$wsproto && $p eq 'base64'; | |
764 | $wsproto = $p if $p eq 'binary'; | |
765 | } | |
766 | die "unsupported websocket-protocol protocol '$wsproto_str'\n" if !$wsproto; | |
767 | my $wskey = $r->header('sec-websocket-key'); | |
768 | die "missing websocket-key\n" if !$wskey; | |
769 | # Note: Digest::SHA::sha1_base64 has wrong padding | |
770 | my $wsaccept = Digest::SHA::sha1_base64("${wskey}258EAFA5-E914-47DA-95CA-C5AB0DC85B11") . "="; | |
771 | if ($res->{status} == HTTP_OK) { | |
772 | $self->websocket_proxy($reqstate, $wsaccept, $wsproto, $res->{data}); | |
773 | return; | |
774 | } | |
57f93db1 DM |
775 | } |
776 | ||
8dc1715b DM |
777 | my $delay = 0; |
778 | if ($res->{status} == HTTP_UNAUTHORIZED) { | |
779 | # always delay unauthorized calls by 3 seconds | |
780 | $delay = 3 - tv_interval($reqstate->{starttime}); | |
781 | $delay = 0 if $delay < 0; | |
782 | } | |
783 | ||
6fcbe87a DM |
784 | if ($res->{info} && $res->{info}->{formatter}) { |
785 | if (defined(my $func = $res->{info}->{formatter}->{$format})) { | |
786 | $formatter = $func; | |
3ed61033 DM |
787 | } |
788 | } | |
789 | ||
7e73c93e | 790 | my ($raw, $ct, $nocomp) = &$formatter($res, $res->{data}, $params, $path, $auth); |
3ed61033 | 791 | |
c9c0cd34 DM |
792 | my $resp; |
793 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
794 | $resp = $raw; | |
795 | } else { | |
796 | $resp = HTTP::Response->new($res->{status}, $res->{message}); | |
797 | $resp->header("Content-Type" => $ct); | |
798 | $resp->content($raw); | |
799 | } | |
8dc1715b | 800 | $self->response($reqstate, $resp, undef, $nocomp, $delay); |
57f93db1 | 801 | }; |
d06a1c62 DM |
802 | if (my $err = $@) { |
803 | $self->error($reqstate, 501, $err); | |
804 | } | |
57f93db1 DM |
805 | } |
806 | ||
33afb29b | 807 | sub handle_spice_proxy_request { |
89634434 | 808 | my ($self, $reqstate, $connect_str, $vmid, $node, $spiceport) = @_; |
33afb29b DM |
809 | |
810 | eval { | |
811 | ||
f60bd577 AD |
812 | die "Port $spiceport is not allowed" if ($spiceport < 61000 || $spiceport > 61099); |
813 | ||
c3b83ed1 DM |
814 | my $rpcenv = $self->{rpcenv}; |
815 | $rpcenv->init_request(); | |
816 | ||
f2c8b269 DM |
817 | my $clientip = $reqstate->{peer_host}; |
818 | my $r = $reqstate->{request}; | |
819 | ||
33afb29b DM |
820 | my $remip; |
821 | ||
ce429a15 | 822 | if ($node ne 'localhost' && PVE::INotify::nodename() !~ m/^$node$/i) { |
33afb29b | 823 | $remip = PVE::Cluster::remote_node_ip($node); |
89634434 DM |
824 | die "unable to get remote IP address for node '$node'\n" if !$remip; |
825 | print "REMOTE CONNECT $vmid, $remip, $connect_str\n" if $self->{debug}; | |
826 | } else { | |
827 | print "$$: CONNECT $vmid, $node, $spiceport\n" if $self->{debug}; | |
828 | } | |
33afb29b | 829 | |
64363f40 | 830 | if ($remip && $r->header('PVEDisableProxy')) { |
f2c8b269 DM |
831 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); |
832 | return; | |
833 | } | |
834 | ||
33afb29b | 835 | $reqstate->{hdl}->timeout(0); |
89634434 | 836 | $reqstate->{hdl}->wbuf_max(64*10*1024); |
33afb29b | 837 | |
0e007a5d | 838 | my $remhost = $remip ? $remip : "localhost"; |
89634434 | 839 | my $remport = $remip ? 3128 : $spiceport; |
33afb29b | 840 | |
89634434 | 841 | tcp_connect $remhost, $remport, sub { |
33afb29b | 842 | my ($fh) = @_ |
89634434 | 843 | or die "connect to '$remhost:$remport' failed: $!"; |
33afb29b | 844 | |
89634434 | 845 | print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug}; |
33afb29b DM |
846 | $reqstate->{proxyhdl} = AnyEvent::Handle->new( |
847 | fh => $fh, | |
848 | rbuf_max => 64*1024, | |
849 | wbuf_max => 64*10*1024, | |
89634434 | 850 | timeout => 5, |
33afb29b DM |
851 | on_eof => sub { |
852 | my ($hdl) = @_; | |
853 | eval { | |
854 | $self->log_aborted_request($reqstate); | |
855 | $self->client_do_disconnect($reqstate); | |
856 | }; | |
857 | if (my $err = $@) { syslog('err', $err); } | |
858 | }, | |
859 | on_error => sub { | |
860 | my ($hdl, $fatal, $message) = @_; | |
861 | eval { | |
862 | $self->log_aborted_request($reqstate, $message); | |
863 | $self->client_do_disconnect($reqstate); | |
864 | }; | |
865 | if (my $err = $@) { syslog('err', "$err"); } | |
cffad904 | 866 | }); |
33afb29b | 867 | |
89634434 | 868 | |
cffad904 DM |
869 | my $proxyhdlreader = sub { |
870 | my ($hdl) = @_; | |
33afb29b | 871 | |
cffad904 DM |
872 | my $len = length($hdl->{rbuf}); |
873 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
874 | ||
875 | #print "READ1 $len\n"; | |
876 | $reqstate->{hdl}->push_write($data) if $reqstate->{hdl}; | |
877 | }; | |
878 | ||
879 | my $hdlreader = sub { | |
33afb29b DM |
880 | my ($hdl) = @_; |
881 | ||
882 | my $len = length($hdl->{rbuf}); | |
883 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
884 | ||
885 | #print "READ0 $len\n"; | |
886 | $reqstate->{proxyhdl}->push_write($data) if $reqstate->{proxyhdl}; | |
cffad904 DM |
887 | }; |
888 | ||
89634434 | 889 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; |
33afb29b | 890 | |
89634434 DM |
891 | my $startproxy = sub { |
892 | $reqstate->{proxyhdl}->timeout(0); | |
893 | $reqstate->{proxyhdl}->on_read($proxyhdlreader); | |
894 | $reqstate->{hdl}->on_read($hdlreader); | |
33afb29b | 895 | |
89634434 | 896 | # todo: use stop_read/start_read if write buffer grows to much |
33afb29b | 897 | |
89634434 DM |
898 | my $res = "$proto 200 OK\015\012"; # hope this is the right answer? |
899 | $reqstate->{hdl}->push_write($res); | |
900 | ||
901 | # log early | |
902 | $reqstate->{log}->{code} = 200; | |
903 | $self->log_request($reqstate); | |
904 | }; | |
905 | ||
906 | if ($remip) { | |
907 | my $header = "CONNECT ${connect_str} $proto\015\012" . | |
908 | "Host: ${connect_str}\015\012" . | |
909 | "Proxy-Connection: keep-alive\015\012" . | |
910 | "User-Agent: spiceproxy\015\012" . | |
f2c8b269 DM |
911 | "PVEDisableProxy: true\015\012" . |
912 | "PVEClientIP: $clientip\015\012" . | |
89634434 | 913 | "\015\012"; |
f2c8b269 | 914 | |
89634434 DM |
915 | $reqstate->{proxyhdl}->push_write($header); |
916 | $reqstate->{proxyhdl}->push_read(line => sub { | |
917 | my ($hdl, $line) = @_; | |
918 | ||
919 | if ($line =~ m!^$proto 200 OK$!) { | |
920 | &$startproxy(); | |
921 | } else { | |
922 | $reqstate->{hdl}->push_write($line); | |
923 | $self->client_do_disconnect($reqstate); | |
924 | } | |
925 | }); | |
926 | } else { | |
927 | &$startproxy(); | |
928 | } | |
8d5310c1 | 929 | |
33afb29b DM |
930 | }; |
931 | }; | |
932 | if (my $err = $@) { | |
94c803f4 | 933 | warn $err; |
33afb29b DM |
934 | $self->log_aborted_request($reqstate, $err); |
935 | $self->client_do_disconnect($reqstate); | |
936 | } | |
937 | } | |
938 | ||
57f93db1 | 939 | sub handle_request { |
1d7f84a1 | 940 | my ($self, $reqstate, $auth, $method, $path) = @_; |
57f93db1 DM |
941 | |
942 | eval { | |
943 | my $r = $reqstate->{request}; | |
23699d1e DM |
944 | |
945 | # disable timeout on handle (we already have all data we need) | |
946 | # we re-enable timeout in response() | |
947 | $reqstate->{hdl}->timeout(0); | |
57f93db1 | 948 | |
d06a1c62 | 949 | if ($path =~ m!$baseuri!) { |
1d7f84a1 | 950 | $self->handle_api2_request($reqstate, $auth, $method, $path); |
57f93db1 DM |
951 | return; |
952 | } | |
953 | ||
954 | if ($self->{pages} && ($method eq 'GET') && (my $handler = $self->{pages}->{$path})) { | |
955 | if (ref($handler) eq 'CODE') { | |
d06a1c62 DM |
956 | my $params = decode_urlencoded($r->url->query()); |
957 | my ($resp, $userid) = &$handler($self, $reqstate->{request}, $params); | |
57f93db1 DM |
958 | $self->response($reqstate, $resp); |
959 | } elsif (ref($handler) eq 'HASH') { | |
960 | if (my $filename = $handler->{file}) { | |
961 | my $fh = IO::File->new($filename) || | |
962 | die "unable to open file '$filename' - $!\n"; | |
963 | send_file_start($self, $reqstate, $filename); | |
964 | } else { | |
965 | die "internal error - no handler"; | |
966 | } | |
967 | } else { | |
968 | die "internal error - no handler"; | |
969 | } | |
970 | return; | |
f91072d5 | 971 | } |
57f93db1 DM |
972 | |
973 | if ($self->{dirs} && ($method eq 'GET')) { | |
974 | # we only allow simple names | |
975 | if ($path =~ m!^(/\S+/)([a-zA-Z0-9\-\_\.]+)$!) { | |
976 | my ($subdir, $file) = ($1, $2); | |
977 | if (my $dir = $self->{dirs}->{$subdir}) { | |
978 | my $filename = "$dir$file"; | |
979 | my $fh = IO::File->new($filename) || | |
980 | die "unable to open file '$filename' - $!\n"; | |
981 | send_file_start($self, $reqstate, $filename); | |
982 | return; | |
983 | } | |
984 | } | |
985 | } | |
986 | ||
987 | die "no such file '$path'"; | |
988 | }; | |
989 | if (my $err = $@) { | |
990 | $self->error($reqstate, 501, $err); | |
991 | } | |
992 | } | |
993 | ||
d06a1c62 | 994 | sub file_upload_multipart { |
1d7f84a1 | 995 | my ($self, $reqstate, $auth, $method, $path, $rstate) = @_; |
d06a1c62 DM |
996 | |
997 | eval { | |
998 | my $boundary = $rstate->{boundary}; | |
999 | my $hdl = $reqstate->{hdl}; | |
1000 | ||
1001 | my $startlen = length($hdl->{rbuf}); | |
1002 | ||
1003 | if ($rstate->{phase} == 0) { # skip everything until start | |
1004 | if ($hdl->{rbuf} =~ s/^.*?--\Q$boundary\E \015?\012 | |
1005 | ((?:[^\015]+\015\012)* ) \015?\012//xs) { | |
1006 | my $header = $1; | |
1007 | my ($ct, $disp, $name, $filename); | |
1008 | foreach my $line (split(/\015?\012/, $header)) { | |
1009 | # assume we have single line headers | |
1010 | if ($line =~ m/^Content-Type\s*:\s*(.*)/i) { | |
1011 | $ct = parse_content_type($1); | |
1012 | } elsif ($line =~ m/^Content-Disposition\s*:\s*(.*)/i) { | |
1013 | ($disp, $name, $filename) = parse_content_disposition($1); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | if (!($disp && $disp eq 'form-data' && $name)) { | |
a81182b0 | 1018 | syslog('err', "wrong content disposition in multipart - abort upload"); |
d06a1c62 DM |
1019 | $rstate->{phase} = -1; |
1020 | } else { | |
1021 | ||
1022 | $rstate->{fieldname} = $name; | |
1023 | ||
a81182b0 DM |
1024 | if ($filename) { |
1025 | if ($name eq 'filename') { | |
1026 | # found file upload data | |
1027 | $rstate->{phase} = 1; | |
1028 | $rstate->{filename} = $filename; | |
1029 | } else { | |
1030 | syslog('err', "wrong field name for file upload - abort upload"); | |
1031 | $rstate->{phase} = -1; | |
1032 | } | |
1033 | } else { | |
d06a1c62 DM |
1034 | # found form data for field $name |
1035 | $rstate->{phase} = 2; | |
d06a1c62 DM |
1036 | } |
1037 | } | |
1038 | } else { | |
1039 | my $len = length($hdl->{rbuf}); | |
1040 | substr($hdl->{rbuf}, 0, $len - $rstate->{maxheader}, '') | |
1041 | if $len > $rstate->{maxheader}; # skip garbage | |
1042 | } | |
1043 | } elsif ($rstate->{phase} == 1) { # inside file - dump until end marker | |
1044 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
1045 | my ($rest, $eof) = ($1, $3); | |
1046 | my $len = length($rest); | |
1047 | die "write to temporary file failed - $!" | |
1048 | if syswrite($rstate->{outfh}, $rest) != $len; | |
1049 | $rstate->{ctx}->add($rest); | |
1050 | $rstate->{params}->{filename} = $rstate->{filename}; | |
1051 | $rstate->{md5sum} = $rstate->{ctx}->hexdigest; | |
1052 | $rstate->{bytes} += $len; | |
1053 | $rstate->{phase} = $eof ? 100 : 0; | |
1054 | } else { | |
1055 | my $len = length($hdl->{rbuf}); | |
1056 | my $wlen = $len - $rstate->{boundlen}; | |
1057 | if ($wlen > 0) { | |
2c32df36 | 1058 | my $data = substr($hdl->{rbuf}, 0, $wlen, ''); |
d06a1c62 DM |
1059 | die "write to temporary file failed - $!" |
1060 | if syswrite($rstate->{outfh}, $data) != $wlen; | |
1061 | $rstate->{bytes} += $wlen; | |
1062 | $rstate->{ctx}->add($data); | |
1063 | } | |
1064 | } | |
1065 | } elsif ($rstate->{phase} == 2) { # inside normal field | |
1066 | ||
1067 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
1068 | my ($rest, $eof) = ($1, $3); | |
1069 | my $len = length($rest); | |
209b203e DM |
1070 | $rstate->{post_size} += $len; |
1071 | if ($rstate->{post_size} < $limit_max_post) { | |
d06a1c62 DM |
1072 | $rstate->{params}->{$rstate->{fieldname}} = $rest; |
1073 | $rstate->{phase} = $eof ? 100 : 0; | |
1074 | } else { | |
209b203e | 1075 | syslog('err', "form data to large - abort upload"); |
d06a1c62 DM |
1076 | $rstate->{phase} = -1; # skip |
1077 | } | |
1078 | } | |
1079 | } else { # skip | |
1080 | my $len = length($hdl->{rbuf}); | |
1081 | substr($hdl->{rbuf}, 0, $len, ''); # empty rbuf | |
1082 | } | |
1083 | ||
1084 | $rstate->{read} += ($startlen - length($hdl->{rbuf})); | |
1085 | ||
1086 | if (!$rstate->{done} && ($rstate->{read} + length($hdl->{rbuf})) >= $rstate->{size}) { | |
1087 | $rstate->{done} = 1; # make sure we dont get called twice | |
1088 | if ($rstate->{phase} < 0 || !$rstate->{md5sum}) { | |
f6c357cf | 1089 | die "upload failed\n"; |
d06a1c62 DM |
1090 | } else { |
1091 | my $elapsed = tv_interval($rstate->{starttime}); | |
1092 | ||
1093 | my $rate = int($rstate->{bytes}/($elapsed*1024*1024)); | |
1094 | syslog('info', "multipart upload complete " . | |
2c32df36 DM |
1095 | "(size: %d time: %ds rate: %.2fMiB/s md5sum: $rstate->{md5sum})", |
1096 | $rstate->{bytes}, $elapsed, $rate); | |
1d7f84a1 | 1097 | $self->handle_api2_request($reqstate, $auth, $method, $path, $rstate); |
d06a1c62 DM |
1098 | } |
1099 | } | |
1100 | }; | |
1101 | if (my $err = $@) { | |
2c32df36 | 1102 | syslog('err', $err); |
d06a1c62 DM |
1103 | $self->error($reqstate, 501, $err); |
1104 | } | |
1105 | } | |
1106 | ||
1107 | sub parse_content_type { | |
1108 | my ($ctype) = @_; | |
1109 | ||
1110 | my ($ct, @params) = split(/\s*[;,]\s*/o, $ctype); | |
1111 | ||
1112 | foreach my $v (@params) { | |
1113 | if ($v =~ m/^\s*boundary\s*=\s*(\S+?)\s*$/o) { | |
1114 | return wantarray ? ($ct, $1) : $ct; | |
1115 | } | |
1116 | } | |
1117 | ||
1118 | return wantarray ? ($ct) : $ct; | |
1119 | } | |
1120 | ||
1121 | sub parse_content_disposition { | |
1122 | my ($line) = @_; | |
1123 | ||
1124 | my ($disp, @params) = split(/\s*[;,]\s*/o, $line); | |
1125 | my $name; | |
1126 | my $filename; | |
1127 | ||
1128 | foreach my $v (@params) { | |
1129 | if ($v =~ m/^\s*name\s*=\s*(\S+?)\s*$/o) { | |
1130 | $name = $1; | |
1131 | $name =~ s/^"(.*)"$/$1/; | |
e3110298 | 1132 | } elsif ($v =~ m/^\s*filename\s*=\s*(.+?)\s*$/o) { |
d06a1c62 DM |
1133 | $filename = $1; |
1134 | $filename =~ s/^"(.*)"$/$1/; | |
1135 | } | |
1136 | } | |
1137 | ||
1138 | return wantarray ? ($disp, $name, $filename) : $disp; | |
1139 | } | |
1140 | ||
1141 | my $tmpfile_seq_no = 0; | |
1142 | ||
1143 | sub get_upload_filename { | |
1144 | # choose unpredictable tmpfile name | |
1145 | ||
1146 | $tmpfile_seq_no++; | |
1147 | return "/var/tmp/pveupload-" . Digest::MD5::md5_hex($tmpfile_seq_no . time() . $$); | |
1148 | } | |
1149 | ||
57f93db1 DM |
1150 | sub unshift_read_header { |
1151 | my ($self, $reqstate, $state) = @_; | |
1152 | ||
209b203e | 1153 | $state = { size => 0, count => 0 } if !$state; |
57f93db1 DM |
1154 | |
1155 | $reqstate->{hdl}->unshift_read(line => sub { | |
1156 | my ($hdl, $line) = @_; | |
1157 | ||
1158 | eval { | |
209b203e DM |
1159 | # print "$$: got header: $line\n" if $self->{debug}; |
1160 | ||
1161 | die "to many http header lines\n" if ++$state->{count} >= $limit_max_headers; | |
1162 | die "http header too large\n" if ($state->{size} += length($line)) >= $limit_max_header_size; | |
57f93db1 DM |
1163 | |
1164 | my $r = $reqstate->{request}; | |
1165 | if ($line eq '') { | |
1166 | ||
1d7f84a1 | 1167 | my $path = uri_unescape($r->uri->path()); |
d06a1c62 DM |
1168 | my $method = $r->method(); |
1169 | ||
57f93db1 DM |
1170 | $r->push_header($state->{key}, $state->{val}) |
1171 | if $state->{key}; | |
1172 | ||
d06a1c62 DM |
1173 | if (!$known_methods->{$method}) { |
1174 | my $resp = HTTP::Response->new(HTTP_NOT_IMPLEMENTED, "method '$method' not available"); | |
1175 | $self->response($reqstate, $resp); | |
1176 | return; | |
1177 | } | |
1178 | ||
57f93db1 | 1179 | my $conn = $r->header('Connection'); |
5c495833 DM |
1180 | my $accept_enc = $r->header('Accept-Encoding'); |
1181 | $reqstate->{accept_gzip} = ($accept_enc && $accept_enc =~ m/gzip/) ? 1 : 0; | |
57f93db1 DM |
1182 | |
1183 | if ($conn) { | |
1184 | $reqstate->{keep_alive} = 0 if $conn =~ m/close/oi; | |
1185 | } else { | |
1186 | if ($reqstate->{proto}->{ver} < 1001) { | |
1187 | $reqstate->{keep_alive} = 0; | |
1188 | } | |
1189 | } | |
1190 | ||
57f93db1 | 1191 | my $te = $r->header('Transfer-Encoding'); |
d06a1c62 DM |
1192 | if ($te && lc($te) eq 'chunked') { |
1193 | # Handle chunked transfer encoding | |
1194 | $self->error($reqstate, 501, "chunked transfer encoding not supported"); | |
1195 | return; | |
1196 | } elsif ($te) { | |
1197 | $self->error($reqstate, 501, "Unknown transfer encoding '$te'"); | |
1198 | return; | |
1199 | } | |
1200 | ||
57f93db1 DM |
1201 | my $pveclientip = $r->header('PVEClientIP'); |
1202 | ||
f91072d5 | 1203 | # fixme: how can we make PVEClientIP header trusted? |
57f93db1 DM |
1204 | if ($self->{trusted_env} && $pveclientip) { |
1205 | $reqstate->{peer_host} = $pveclientip; | |
1206 | } else { | |
1207 | $r->header('PVEClientIP', $reqstate->{peer_host}); | |
1208 | } | |
1209 | ||
d06a1c62 DM |
1210 | my $len = $r->header('Content-Length'); |
1211 | ||
1212 | # header processing complete - authenticate now | |
1213 | ||
1214 | my $auth = {}; | |
33afb29b DM |
1215 | if ($self->{spiceproxy}) { |
1216 | my $connect_str = $r->header('Host'); | |
8a223d4f | 1217 | my ($vmid, $node, $port) = PVE::AccessControl::verify_spice_connect_url($connect_str); |
e1bae24c | 1218 | if (!(defined($vmid) && $node && $port)) { |
33afb29b DM |
1219 | $self->error($reqstate, HTTP_UNAUTHORIZED, "invalid ticket"); |
1220 | return; | |
1221 | } | |
89634434 | 1222 | $self->handle_spice_proxy_request($reqstate, $connect_str, $vmid, $node, $port); |
33afb29b DM |
1223 | return; |
1224 | } elsif ($path =~ m!$baseuri!) { | |
d06a1c62 DM |
1225 | my $token = $r->header('CSRFPreventionToken'); |
1226 | my $cookie = $r->header('Cookie'); | |
1227 | my $ticket = PVE::REST::extract_auth_cookie($cookie); | |
1228 | ||
1229 | my ($rel_uri, $format) = split_abs_uri($path); | |
1230 | if (!$format) { | |
1231 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri"); | |
1232 | return; | |
1233 | } | |
1234 | ||
1235 | eval { | |
1236 | $auth = PVE::REST::auth_handler($self->{rpcenv}, $reqstate->{peer_host}, $method, | |
1237 | $rel_uri, $ticket, $token); | |
1238 | }; | |
1239 | if (my $err = $@) { | |
3ed61033 DM |
1240 | # always delay unauthorized calls by 3 seconds |
1241 | my $delay = 3; | |
6fcbe87a DM |
1242 | if (my $formatter = get_login_formatter($format)) { |
1243 | my ($raw, $ct, $nocomp) = &$formatter($path, $auth); | |
3ed61033 DM |
1244 | my $resp; |
1245 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
1246 | $resp = $raw; | |
1247 | } else { | |
1248 | $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, "Login Required"); | |
1249 | $resp->header("Content-Type" => $ct); | |
1250 | $resp->content($raw); | |
1251 | } | |
1252 | $self->response($reqstate, $resp, undef, $nocomp, 3); | |
1253 | } else { | |
1254 | my $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, $err); | |
1255 | $self->response($reqstate, $resp, undef, 0, $delay); | |
1256 | } | |
d06a1c62 DM |
1257 | return; |
1258 | } | |
1259 | } | |
1260 | ||
1261 | $reqstate->{log}->{userid} = $auth->{userid}; | |
1262 | ||
e66d68a9 | 1263 | if ($len) { |
d06a1c62 DM |
1264 | |
1265 | if (!($method eq 'PUT' || $method eq 'POST')) { | |
1266 | $self->error($reqstate, 501, "Unexpected content for method '$method'"); | |
1267 | return; | |
1268 | } | |
1269 | ||
1270 | my $ctype = $r->header('Content-Type'); | |
d0547f7f | 1271 | my ($ct, $boundary) = parse_content_type($ctype) if $ctype; |
d06a1c62 DM |
1272 | |
1273 | if ($auth->{isUpload} && !$self->{trusted_env}) { | |
1274 | die "upload 'Content-Type '$ctype' not implemented\n" | |
d0547f7f | 1275 | if !($boundary && $ct && ($ct eq 'multipart/form-data')); |
d06a1c62 DM |
1276 | |
1277 | die "upload without content length header not supported" if !$len; | |
1278 | ||
1279 | die "upload without content length header not supported" if !$len; | |
1280 | ||
1281 | print "start upload $path $ct $boundary\n" if $self->{debug}; | |
1282 | ||
1283 | my $tmpfilename = get_upload_filename(); | |
1284 | my $outfh = IO::File->new($tmpfilename, O_RDWR|O_CREAT|O_EXCL, 0600) || | |
1285 | die "unable to create temporary upload file '$tmpfilename'"; | |
1286 | ||
1287 | $reqstate->{keep_alive} = 0; | |
1288 | ||
1289 | my $boundlen = length($boundary) + 8; # \015?\012--$boundary--\015?\012 | |
1290 | ||
1291 | my $state = { | |
1292 | size => $len, | |
1293 | boundary => $boundary, | |
1294 | ctx => Digest::MD5->new, | |
1295 | boundlen => $boundlen, | |
1296 | maxheader => 2048 + $boundlen, # should be large enough | |
1297 | params => decode_urlencoded($r->url->query()), | |
1298 | phase => 0, | |
1299 | read => 0, | |
209b203e | 1300 | post_size => 0, |
d06a1c62 DM |
1301 | starttime => [gettimeofday], |
1302 | outfh => $outfh, | |
1303 | }; | |
1304 | $reqstate->{tmpfilename} = $tmpfilename; | |
1d7f84a1 | 1305 | $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $method, $path, $state); }); |
d06a1c62 DM |
1306 | return; |
1307 | } | |
1308 | ||
209b203e DM |
1309 | if ($len > $limit_max_post) { |
1310 | $self->error($reqstate, 501, "for data too large"); | |
1311 | return; | |
1312 | } | |
1313 | ||
d06a1c62 DM |
1314 | if (!$ct || $ct eq 'application/x-www-form-urlencoded') { |
1315 | $reqstate->{hdl}->unshift_read(chunk => $len, sub { | |
1316 | my ($hdl, $data) = @_; | |
1317 | $r->content($data); | |
1d7f84a1 | 1318 | $self->handle_request($reqstate, $auth, $method, $path); |
d06a1c62 DM |
1319 | }); |
1320 | } else { | |
1321 | $self->error($reqstate, 506, "upload 'Content-Type '$ctype' not implemented"); | |
1322 | } | |
57f93db1 | 1323 | } else { |
1d7f84a1 | 1324 | $self->handle_request($reqstate, $auth, $method, $path); |
57f93db1 DM |
1325 | } |
1326 | } elsif ($line =~ /^([^:\s]+)\s*:\s*(.*)/) { | |
1327 | $r->push_header($state->{key}, $state->{val}) if $state->{key}; | |
1328 | ($state->{key}, $state->{val}) = ($1, $2); | |
1329 | $self->unshift_read_header($reqstate, $state); | |
1330 | } elsif ($line =~ /^\s+(.*)/) { | |
1331 | $state->{val} .= " $1"; | |
1332 | $self->unshift_read_header($reqstate, $state); | |
1333 | } else { | |
1334 | $self->error($reqstate, 506, "unable to parse request header"); | |
1335 | } | |
1336 | }; | |
1337 | warn $@ if $@; | |
1338 | }); | |
1339 | }; | |
1340 | ||
1341 | sub push_request_header { | |
1342 | my ($self, $reqstate) = @_; | |
1343 | ||
1344 | eval { | |
1345 | $reqstate->{hdl}->push_read(line => sub { | |
1346 | my ($hdl, $line) = @_; | |
1347 | ||
1348 | eval { | |
89634434 | 1349 | # print "got request header: $line\n" if $self->{debug}; |
f91072d5 | 1350 | |
57f93db1 DM |
1351 | $reqstate->{keep_alive}--; |
1352 | ||
1353 | if ($line =~ /(\S+)\040(\S+)\040HTTP\/(\d+)\.(\d+)/o) { | |
9195c8f9 | 1354 | my ($method, $url, $maj, $min) = ($1, $2, $3, $4); |
57f93db1 DM |
1355 | |
1356 | if ($maj != 1) { | |
1357 | $self->error($reqstate, 506, "http protocol version $maj.$min not supported"); | |
1358 | return; | |
1359 | } | |
1360 | ||
1361 | $self->{request_count}++; # only count valid request headers | |
1362 | if ($self->{request_count} >= $self->{max_requests}) { | |
f91072d5 | 1363 | $self->{end_loop} = 1; |
57f93db1 DM |
1364 | } |
1365 | $reqstate->{log} = { requestline => $line }; | |
d0547f7f | 1366 | $reqstate->{proto}->{str} = "HTTP/$maj.$min"; |
57f93db1 DM |
1367 | $reqstate->{proto}->{maj} = $maj; |
1368 | $reqstate->{proto}->{min} = $min; | |
1369 | $reqstate->{proto}->{ver} = $maj*1000+$min; | |
1d7f84a1 | 1370 | $reqstate->{request} = HTTP::Request->new($method, $url); |
8dc1715b | 1371 | $reqstate->{starttime} = [gettimeofday], |
57f93db1 DM |
1372 | |
1373 | $self->unshift_read_header($reqstate); | |
1374 | } elsif ($line eq '') { | |
1375 | # ignore empty lines before requests (browser bugs?) | |
1376 | $self->push_request_header($reqstate); | |
1377 | } else { | |
1378 | $self->error($reqstate, 400, 'bad request'); | |
1379 | } | |
1380 | }; | |
1381 | warn $@ if $@; | |
1382 | }); | |
1383 | }; | |
1384 | warn $@ if $@; | |
1385 | } | |
1386 | ||
1387 | sub accept { | |
1388 | my ($self) = @_; | |
1389 | ||
1390 | my $clientfh; | |
1391 | ||
1392 | return if $self->{end_loop}; | |
1393 | ||
1394 | # we need to m make sure that only one process calls accept | |
1395 | while (!flock($self->{lockfh}, Fcntl::LOCK_EX())) { | |
1396 | next if $! == EINTR; | |
1397 | die "could not get lock on file '$self->{lockfile}' - $!\n"; | |
1398 | } | |
1399 | ||
1400 | my $again = 0; | |
1401 | my $errmsg; | |
1402 | eval { | |
1403 | while (!$self->{end_loop} && | |
1404 | !defined($clientfh = $self->{socket}->accept()) && | |
1405 | ($! == EINTR)) {}; | |
1406 | ||
1407 | if ($self->{end_loop}) { | |
1408 | $again = 0; | |
1409 | } else { | |
1410 | $again = ($! == EAGAIN || $! == WSAEWOULDBLOCK); | |
1411 | if (!defined($clientfh)) { | |
1412 | $errmsg = "failed to accept connection: $!\n"; | |
1413 | } | |
1414 | } | |
1415 | }; | |
1416 | warn $@ if $@; | |
1417 | ||
1418 | flock($self->{lockfh}, Fcntl::LOCK_UN()); | |
1419 | ||
1420 | if (!defined($clientfh)) { | |
1421 | return if $again; | |
1422 | die $errmsg if $errmsg; | |
1423 | } | |
1424 | ||
f91072d5 | 1425 | fh_nonblocking $clientfh, 1; |
57f93db1 DM |
1426 | |
1427 | $self->{conn_count}++; | |
1428 | ||
57f93db1 DM |
1429 | return $clientfh; |
1430 | } | |
1431 | ||
1432 | sub wait_end_loop { | |
1433 | my ($self) = @_; | |
1434 | ||
1435 | $self->{end_loop} = 1; | |
1436 | ||
1437 | undef $self->{socket_watch}; | |
f91072d5 | 1438 | |
81733604 DM |
1439 | $0 = "$0 (shutdown)" if $0 !~ m/\(shutdown\)$/; |
1440 | ||
57f93db1 DM |
1441 | if ($self->{conn_count} <= 0) { |
1442 | $self->{end_cond}->send(1); | |
1443 | return; | |
1444 | } | |
1445 | ||
1446 | # else we need to wait until all open connections gets closed | |
1447 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1448 | eval { | |
f91072d5 | 1449 | # todo: test for active connections instead (we can abort idle connections) |
57f93db1 DM |
1450 | if ($self->{conn_count} <= 0) { |
1451 | undef $w; | |
1452 | $self->{end_cond}->send(1); | |
1453 | } | |
1454 | }; | |
1455 | warn $@ if $@; | |
1456 | }); | |
1457 | } | |
f91072d5 | 1458 | |
a908636e DM |
1459 | |
1460 | sub check_host_access { | |
1461 | my ($self, $clientip) = @_; | |
1462 | ||
1463 | my $cip = Net::IP->new($clientip); | |
1464 | ||
1465 | my $match_allow = 0; | |
1466 | my $match_deny = 0; | |
1467 | ||
1468 | if ($self->{allow_from}) { | |
1469 | foreach my $t (@{$self->{allow_from}}) { | |
1470 | if ($t->overlaps($cip)) { | |
1471 | $match_allow = 1; | |
1472 | last; | |
1473 | } | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | if ($self->{deny_from}) { | |
1478 | foreach my $t (@{$self->{deny_from}}) { | |
1479 | if ($t->overlaps($cip)) { | |
1480 | $match_deny = 1; | |
1481 | last; | |
1482 | } | |
1483 | } | |
1484 | } | |
1485 | ||
1486 | if ($match_allow == $match_deny) { | |
1487 | # match both allow and deny, or no match | |
1488 | return $self->{policy} && $self->{policy} eq 'allow' ? 1 : 0; | |
1489 | } | |
1490 | ||
1491 | return $match_allow; | |
1492 | } | |
1493 | ||
57f93db1 DM |
1494 | sub accept_connections { |
1495 | my ($self) = @_; | |
1496 | ||
1497 | eval { | |
1498 | ||
1499 | while (my $clientfh = $self->accept()) { | |
1500 | ||
1501 | my $reqstate = { keep_alive => $self->{keep_alive} }; | |
1502 | ||
02667982 DM |
1503 | # stop keep-alive when there are many open connections |
1504 | if ($self->{conn_count} >= $self->{max_conn_soft_limit}) { | |
1505 | $reqstate->{keep_alive} = 0; | |
1506 | } | |
1507 | ||
57f93db1 | 1508 | if (my $sin = getpeername($clientfh)) { |
09316f4c WB |
1509 | my ($pfamily, $pport, $phost) = PVE::Tools::unpack_sockaddr_in46($sin); |
1510 | ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntop($pfamily, $phost)); | |
57f93db1 DM |
1511 | } |
1512 | ||
a908636e DM |
1513 | if (!$self->{trusted_env} && !$self->check_host_access($reqstate->{peer_host})) { |
1514 | print "$$: ABORT request from $reqstate->{peer_host} - access denied\n" if $self->{debug}; | |
1515 | $reqstate->{log}->{code} = 403; | |
1516 | $self->log_request($reqstate); | |
1517 | next; | |
1518 | } | |
1519 | ||
57f93db1 DM |
1520 | $reqstate->{hdl} = AnyEvent::Handle->new( |
1521 | fh => $clientfh, | |
d06a1c62 | 1522 | rbuf_max => 64*1024, |
57f93db1 DM |
1523 | timeout => $self->{timeout}, |
1524 | linger => 0, # avoid problems with ssh - really needed ? | |
1525 | on_eof => sub { | |
1526 | my ($hdl) = @_; | |
1527 | eval { | |
1528 | $self->log_aborted_request($reqstate); | |
1529 | $self->client_do_disconnect($reqstate); | |
1530 | }; | |
1531 | if (my $err = $@) { syslog('err', $err); } | |
1532 | }, | |
f91072d5 | 1533 | on_error => sub { |
57f93db1 DM |
1534 | my ($hdl, $fatal, $message) = @_; |
1535 | eval { | |
1536 | $self->log_aborted_request($reqstate, $message); | |
1537 | $self->client_do_disconnect($reqstate); | |
1538 | }; | |
1539 | if (my $err = $@) { syslog('err', "$err"); } | |
1540 | }, | |
1541 | ($self->{tls_ctx} ? (tls => "accept", tls_ctx => $self->{tls_ctx}) : ())); | |
1542 | ||
f91072d5 | 1543 | print "$$: ACCEPT FH" . $clientfh->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; |
57f93db1 DM |
1544 | |
1545 | $self->push_request_header($reqstate); | |
1546 | } | |
1547 | }; | |
1548 | ||
1549 | if (my $err = $@) { | |
1550 | syslog('err', $err); | |
1551 | $self->{end_loop} = 1; | |
1552 | } | |
1553 | ||
1554 | $self->wait_end_loop() if $self->{end_loop}; | |
1555 | } | |
1556 | ||
c2e9823c DM |
1557 | # Note: We can't open log file in non-blocking mode and use AnyEvent::Handle, |
1558 | # because we write from multiple processes, and that would arbitrarily mix output | |
f91072d5 | 1559 | # of all processes. |
57f93db1 DM |
1560 | sub open_access_log { |
1561 | my ($self, $filename) = @_; | |
1562 | ||
1563 | my $old_mask = umask(0137);; | |
1564 | my $logfh = IO::File->new($filename, ">>") || | |
1565 | die "unable to open log file '$filename' - $!\n"; | |
1566 | umask($old_mask); | |
1567 | ||
c2e9823c DM |
1568 | $logfh->autoflush(1); |
1569 | ||
1570 | $self->{logfh} = $logfh; | |
1571 | } | |
1572 | ||
1573 | sub write_log { | |
1574 | my ($self, $data) = @_; | |
1575 | ||
1576 | return if !defined($self->{logfh}) || !$data; | |
1577 | ||
1578 | my $res = $self->{logfh}->print($data); | |
1579 | ||
1580 | if (!$res) { | |
1581 | delete $self->{logfh}; | |
1582 | syslog('err', "error writing access log"); | |
1583 | $self->{end_loop} = 1; # terminate asap | |
1584 | } | |
57f93db1 DM |
1585 | } |
1586 | ||
353fef24 DM |
1587 | sub atfork_handler { |
1588 | my ($self) = @_; | |
1589 | ||
1590 | eval { | |
1591 | # something else do to ? | |
1592 | close($self->{socket}); | |
1593 | }; | |
1594 | warn $@ if $@; | |
1595 | } | |
1596 | ||
57f93db1 DM |
1597 | sub new { |
1598 | my ($this, %args) = @_; | |
1599 | ||
1600 | my $class = ref($this) || $this; | |
1601 | ||
d804d82f | 1602 | foreach my $req (qw(base_handler_class socket lockfh lockfile)) { |
57f93db1 DM |
1603 | die "misssing required argument '$req'" if !defined($args{$req}); |
1604 | } | |
1605 | ||
1606 | my $self = bless { %args }, $class; | |
1607 | ||
d804d82f DM |
1608 | PVE::REST::set_base_handler_class($self->{base_handler_class}); |
1609 | ||
f91072d5 DM |
1610 | # init inotify |
1611 | PVE::INotify::inotify_init(); | |
1612 | ||
f91072d5 | 1613 | $self->{rpcenv} = PVE::RPCEnvironment->init( |
353fef24 | 1614 | $self->{trusted_env} ? 'priv' : 'pub', atfork => sub { $self-> atfork_handler() }); |
f91072d5 | 1615 | |
57f93db1 DM |
1616 | fh_nonblocking($self->{socket}, 1); |
1617 | ||
1618 | $self->{end_loop} = 0; | |
1619 | $self->{conn_count} = 0; | |
1620 | $self->{request_count} = 0; | |
1621 | $self->{timeout} = 5 if !$self->{timeout}; | |
1622 | $self->{keep_alive} = 0 if !defined($self->{keep_alive}); | |
1623 | $self->{max_conn} = 800 if !$self->{max_conn}; | |
1624 | $self->{max_requests} = 8000 if !$self->{max_requests}; | |
1625 | ||
a908636e DM |
1626 | $self->{policy} = 'allow' if !$self->{policy}; |
1627 | ||
57f93db1 DM |
1628 | $self->{end_cond} = AnyEvent->condvar; |
1629 | ||
1630 | if ($self->{ssl}) { | |
f91072d5 | 1631 | $self->{tls_ctx} = AnyEvent::TLS->new(%{$self->{ssl}}); |
943776b0 | 1632 | Net::SSLeay::CTX_set_options($self->{tls_ctx}->{ctx}, &Net::SSLeay::OP_NO_COMPRESSION); |
57f93db1 DM |
1633 | } |
1634 | ||
33afb29b DM |
1635 | if ($self->{spiceproxy}) { |
1636 | $known_methods = { CONNECT => 1 }; | |
1637 | } | |
1638 | ||
57f93db1 | 1639 | $self->open_access_log($self->{logfile}) if $self->{logfile}; |
f91072d5 | 1640 | |
02667982 DM |
1641 | $self->{max_conn_soft_limit} = $self->{max_conn} > 100 ? $self->{max_conn} - 20 : $self->{max_conn}; |
1642 | ||
57f93db1 DM |
1643 | $self->{socket_watch} = AnyEvent->io(fh => $self->{socket}, poll => 'r', cb => sub { |
1644 | eval { | |
1645 | if ($self->{conn_count} >= $self->{max_conn}) { | |
1646 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1647 | if ($self->{conn_count} < $self->{max_conn}) { | |
1648 | undef $w; | |
1649 | $self->accept_connections(); | |
1650 | } | |
1651 | }); | |
1652 | } else { | |
1653 | $self->accept_connections(); | |
f91072d5 | 1654 | } |
57f93db1 DM |
1655 | }; |
1656 | warn $@ if $@; | |
1657 | }); | |
1658 | ||
1659 | $self->{term_watch} = AnyEvent->signal(signal => "TERM", cb => sub { | |
1660 | undef $self->{term_watch}; | |
1661 | $self->wait_end_loop(); | |
1662 | }); | |
1663 | ||
f91072d5 | 1664 | $self->{quit_watch} = AnyEvent->signal(signal => "QUIT", cb => sub { |
57f93db1 DM |
1665 | undef $self->{quit_watch}; |
1666 | $self->wait_end_loop(); | |
1667 | }); | |
1668 | ||
f91072d5 DM |
1669 | $self->{inotify_poll} = AnyEvent->timer(after => 5, interval => 5, cb => sub { |
1670 | PVE::INotify::poll(); # read inotify events | |
1671 | }); | |
1672 | ||
57f93db1 DM |
1673 | return $self; |
1674 | } | |
1675 | ||
1676 | sub run { | |
1677 | my ($self) = @_; | |
1678 | ||
1679 | $self->{end_cond}->recv; | |
1680 | } | |
1681 | ||
1682 | 1; |