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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(); |
d06a1c62 | 11 | use Digest::MD5; |
15903af6 | 12 | # use AnyEvent::Strict; # only use this for debugging |
57f93db1 | 13 | use AnyEvent::Util qw(guard fh_nonblocking WSAEWOULDBLOCK WSAEINPROGRESS); |
33afb29b | 14 | use AnyEvent::Socket; |
57f93db1 | 15 | use AnyEvent::Handle; |
943776b0 | 16 | use Net::SSLeay; |
57f93db1 DM |
17 | use AnyEvent::TLS; |
18 | use AnyEvent::IO; | |
19 | use AnyEvent::HTTP; | |
20 | use Fcntl (); | |
21 | use Compress::Zlib; | |
22 | use PVE::SafeSyslog; | |
23 | use PVE::INotify; | |
24 | use PVE::RPCEnvironment; | |
25 | use PVE::REST; | |
26 | ||
a908636e | 27 | use Net::IP; |
57f93db1 | 28 | use URI; |
9195c8f9 | 29 | use URI::Escape; |
57f93db1 DM |
30 | use HTTP::Status qw(:constants); |
31 | use HTTP::Headers; | |
32 | use HTTP::Response; | |
f6c357cf | 33 | use Data::Dumper; |
57f93db1 | 34 | |
209b203e DM |
35 | my $limit_max_headers = 30; |
36 | my $limit_max_header_size = 8*1024; | |
37 | my $limit_max_post = 16*1024; | |
57f93db1 | 38 | |
57f93db1 DM |
39 | |
40 | my $known_methods = { | |
41 | GET => 1, | |
42 | POST => 1, | |
43 | PUT => 1, | |
44 | DELETE => 1, | |
45 | }; | |
46 | ||
d06a1c62 DM |
47 | my $baseuri = "/api2"; |
48 | ||
49 | sub split_abs_uri { | |
50 | my ($abs_uri) = @_; | |
51 | ||
3ed61033 | 52 | my ($format, $rel_uri) = $abs_uri =~ m/^\Q$baseuri\E\/+([a-z][a-z0-9]+)(\/.*)?$/; |
d06a1c62 DM |
53 | $rel_uri = '/' if !$rel_uri; |
54 | ||
55 | return wantarray ? ($rel_uri, $format) : $rel_uri; | |
56 | } | |
57 | ||
57f93db1 DM |
58 | sub log_request { |
59 | my ($self, $reqstate) = @_; | |
60 | ||
57f93db1 DM |
61 | my $loginfo = $reqstate->{log}; |
62 | ||
63 | # like apache2 common log format | |
64 | # LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" | |
65 | ||
8d5310c1 DM |
66 | return if $loginfo->{written}; # avoid duplicate logs |
67 | $loginfo->{written} = 1; | |
68 | ||
57f93db1 DM |
69 | my $peerip = $reqstate->{peer_host} || '-'; |
70 | my $userid = $loginfo->{userid} || '-'; | |
71 | my $content_length = defined($loginfo->{content_length}) ? $loginfo->{content_length} : '-'; | |
72 | my $code = $loginfo->{code} || 500; | |
73 | my $requestline = $loginfo->{requestline} || '-'; | |
74 | my $timestr = strftime("%d/%b/%Y:%H:%M:%S %z", localtime()); | |
75 | ||
76 | my $msg = "$peerip - $userid [$timestr] \"$requestline\" $code $content_length\n"; | |
77 | ||
c2e9823c | 78 | $self->write_log($msg); |
57f93db1 DM |
79 | } |
80 | ||
81 | sub log_aborted_request { | |
82 | my ($self, $reqstate, $error) = @_; | |
83 | ||
84 | my $r = $reqstate->{request}; | |
85 | return if !$r; # no active request | |
86 | ||
87 | if ($error) { | |
88 | syslog("err", "problem with client $reqstate->{peer_host}; $error"); | |
89 | } | |
f91072d5 | 90 | |
57f93db1 DM |
91 | $self->log_request($reqstate); |
92 | } | |
93 | ||
23699d1e DM |
94 | sub cleanup_reqstate { |
95 | my ($reqstate) = @_; | |
96 | ||
97 | delete $reqstate->{log}; | |
98 | delete $reqstate->{request}; | |
99 | delete $reqstate->{proto}; | |
100 | delete $reqstate->{accept_gzip}; | |
8dc1715b | 101 | delete $reqstate->{starttime}; |
57f93db1 | 102 | |
d06a1c62 DM |
103 | if ($reqstate->{tmpfilename}) { |
104 | unlink $reqstate->{tmpfilename}; | |
105 | delete $reqstate->{tmpfilename}; | |
106 | } | |
23699d1e DM |
107 | } |
108 | ||
109 | sub client_do_disconnect { | |
110 | my ($self, $reqstate) = @_; | |
111 | ||
112 | cleanup_reqstate($reqstate); | |
d06a1c62 | 113 | |
89634434 DM |
114 | my $shutdown_hdl = sub { |
115 | my $hdl = shift; | |
116 | ||
117 | shutdown($hdl->{fh}, 1); | |
118 | # clear all handlers | |
119 | $hdl->on_drain(undef); | |
120 | $hdl->on_read(undef); | |
121 | $hdl->on_eof(undef); | |
122 | }; | |
123 | ||
124 | if (my $proxyhdl = delete $reqstate->{proxyhdl}) { | |
125 | &$shutdown_hdl($proxyhdl); | |
126 | } | |
127 | ||
57f93db1 DM |
128 | my $hdl = delete $reqstate->{hdl}; |
129 | ||
130 | if (!$hdl) { | |
131 | syslog('err', "detected empty handle"); | |
132 | return; | |
133 | } | |
134 | ||
89634434 DM |
135 | print "close connection $hdl\n" if $self->{debug}; |
136 | ||
137 | &$shutdown_hdl($hdl); | |
57f93db1 | 138 | |
57f93db1 DM |
139 | $self->{conn_count}--; |
140 | ||
f91072d5 | 141 | print "$$: CLOSE FH" . $hdl->{fh}->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; |
57f93db1 DM |
142 | } |
143 | ||
144 | sub finish_response { | |
145 | my ($self, $reqstate) = @_; | |
146 | ||
147 | my $hdl = $reqstate->{hdl}; | |
148 | ||
23699d1e | 149 | cleanup_reqstate($reqstate); |
d06a1c62 | 150 | |
57f93db1 | 151 | if (!$self->{end_loop} && $reqstate->{keep_alive} > 0) { |
d06a1c62 | 152 | # print "KEEPALIVE $reqstate->{keep_alive}\n" if $self->{debug}; |
f91072d5 | 153 | $hdl->on_read(sub { |
57f93db1 DM |
154 | eval { $self->push_request_header($reqstate); }; |
155 | warn $@ if $@; | |
156 | }); | |
157 | } else { | |
158 | $hdl->on_drain (sub { | |
f91072d5 DM |
159 | eval { |
160 | $self->client_do_disconnect($reqstate); | |
161 | }; | |
57f93db1 DM |
162 | warn $@ if $@; |
163 | }); | |
164 | } | |
165 | } | |
166 | ||
167 | sub response { | |
8dc1715b | 168 | my ($self, $reqstate, $resp, $mtime, $nocomp, $delay) = @_; |
57f93db1 DM |
169 | |
170 | #print "$$: send response: " . Dumper($resp); | |
171 | ||
23699d1e DM |
172 | # activate timeout |
173 | $reqstate->{hdl}->timeout_reset(); | |
174 | $reqstate->{hdl}->timeout($self->{timeout}); | |
175 | ||
5c495833 DM |
176 | $nocomp = 1 if !$reqstate->{accept_gzip}; |
177 | ||
57f93db1 DM |
178 | my $code = $resp->code; |
179 | my $msg = $resp->message || HTTP::Status::status_message($code); | |
180 | ($msg) = $msg =~m/^(.*)$/m; | |
181 | my $content = $resp->content; | |
182 | ||
183 | if ($code =~ /^(1\d\d|[23]04)$/) { | |
184 | # make sure content we have no content | |
185 | $content = ""; | |
186 | } | |
187 | ||
88ad4103 | 188 | $reqstate->{keep_alive} = 0 if ($code >= 400) || $self->{end_loop}; |
57f93db1 DM |
189 | |
190 | $reqstate->{log}->{code} = $code; | |
191 | ||
1319da81 DM |
192 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; |
193 | my $res = "$proto $code $msg\015\012"; | |
f91072d5 | 194 | |
57f93db1 DM |
195 | my $ctime = time(); |
196 | my $date = HTTP::Date::time2str($ctime); | |
197 | $resp->header('Date' => $date); | |
198 | if ($mtime) { | |
199 | $resp->header('Last-Modified' => HTTP::Date::time2str($mtime)); | |
200 | } else { | |
201 | $resp->header('Expires' => $date); | |
202 | $resp->header('Cache-Control' => "max-age=0"); | |
203 | $resp->header("Pragma", "no-cache"); | |
204 | } | |
205 | ||
206 | $resp->header('Server' => "pve-api-daemon/3.0"); | |
207 | ||
208 | my $content_length; | |
f91072d5 | 209 | if ($content) { |
57f93db1 DM |
210 | |
211 | $content_length = length($content); | |
212 | ||
213 | if (!$nocomp && ($content_length > 1024)) { | |
214 | my $comp = Compress::Zlib::memGzip($content); | |
215 | $resp->header('Content-Encoding', 'gzip'); | |
216 | $content = $comp; | |
217 | $content_length = length($content); | |
218 | } | |
219 | $resp->header("Content-Length" => $content_length); | |
220 | $reqstate->{log}->{content_length} = $content_length; | |
f91072d5 | 221 | |
57f93db1 DM |
222 | } else { |
223 | $resp->remove_header("Content-Length"); | |
224 | } | |
f91072d5 | 225 | |
57f93db1 DM |
226 | if ($reqstate->{keep_alive} > 0) { |
227 | $resp->push_header('Connection' => 'Keep-Alive'); | |
228 | } else { | |
229 | $resp->header('Connection' => 'close'); | |
230 | } | |
231 | ||
232 | $res .= $resp->headers_as_string("\015\012"); | |
f91072d5 | 233 | #print "SEND(without content) $res\n" if $self->{debug}; |
57f93db1 DM |
234 | |
235 | $res .= "\015\012"; | |
33afb29b | 236 | $res .= $content if $content; |
57f93db1 DM |
237 | |
238 | $self->log_request($reqstate, $reqstate->{request}); | |
8dc1715b DM |
239 | |
240 | if ($delay && $delay > 0) { | |
241 | my $w; $w = AnyEvent->timer(after => $delay, cb => sub { | |
242 | undef $w; # delete reference | |
243 | $reqstate->{hdl}->push_write($res); | |
244 | $self->finish_response($reqstate); | |
245 | }); | |
246 | } else { | |
247 | $reqstate->{hdl}->push_write($res); | |
248 | $self->finish_response($reqstate); | |
249 | } | |
57f93db1 DM |
250 | } |
251 | ||
252 | sub error { | |
253 | my ($self, $reqstate, $code, $msg, $hdr, $content) = @_; | |
254 | ||
255 | eval { | |
f91072d5 | 256 | my $resp = HTTP::Response->new($code, $msg, $hdr, $content); |
57f93db1 DM |
257 | $self->response($reqstate, $resp); |
258 | }; | |
259 | warn $@ if $@; | |
260 | } | |
261 | ||
262 | sub send_file_start { | |
263 | my ($self, $reqstate, $filename) = @_; | |
264 | ||
265 | eval { | |
266 | # print "SEND FILE $filename\n"; | |
f91072d5 | 267 | # Note: aio_load() this is not really async unless we use IO::AIO! |
57f93db1 DM |
268 | eval { |
269 | ||
88ad4103 DM |
270 | my $r = $reqstate->{request}; |
271 | ||
57f93db1 DM |
272 | my $fh = IO::File->new($filename, '<') || |
273 | die "$!\n"; | |
274 | my $stat = File::stat::stat($fh) || | |
275 | die "$!\n"; | |
88ad4103 DM |
276 | |
277 | my $mtime = $stat->mtime; | |
278 | ||
279 | if (my $ifmod = $r->header('if-modified-since')) { | |
280 | my $iftime = HTTP::Date::str2time($ifmod); | |
281 | if ($mtime <= $iftime) { | |
282 | my $resp = HTTP::Response->new(304, "NOT MODIFIED"); | |
283 | $self->response($reqstate, $resp, $mtime); | |
284 | return; | |
285 | } | |
286 | } | |
f91072d5 | 287 | |
57f93db1 DM |
288 | my $data; |
289 | my $len = sysread($fh, $data, $stat->size); | |
290 | die "got short file\n" if !defined($len) || $len != $stat->size; | |
291 | ||
292 | my $ct; | |
0ebf2fa8 | 293 | my $nocomp; |
57f93db1 DM |
294 | if ($filename =~ m/\.css$/) { |
295 | $ct = 'text/css'; | |
f91072d5 | 296 | } elsif ($filename =~ m/\.js$/) { |
57f93db1 | 297 | $ct = 'application/javascript'; |
f91072d5 | 298 | } elsif ($filename =~ m/\.png$/) { |
57f93db1 | 299 | $ct = 'image/png'; |
0ebf2fa8 | 300 | $nocomp = 1; |
e88a5cde DM |
301 | } elsif ($filename =~ m/\.ico$/) { |
302 | $ct = 'image/x-icon'; | |
303 | $nocomp = 1; | |
f91072d5 | 304 | } elsif ($filename =~ m/\.gif$/) { |
57f93db1 | 305 | $ct = 'image/gif'; |
0ebf2fa8 | 306 | $nocomp = 1; |
f91072d5 | 307 | } elsif ($filename =~ m/\.jar$/) { |
57f93db1 | 308 | $ct = 'application/java-archive'; |
a49706cb | 309 | $nocomp = 1; |
57f93db1 DM |
310 | } else { |
311 | die "unable to detect content type"; | |
312 | } | |
313 | ||
314 | my $header = HTTP::Headers->new(Content_Type => $ct); | |
f91072d5 | 315 | my $resp = HTTP::Response->new(200, "OK", $header, $data); |
0ebf2fa8 | 316 | $self->response($reqstate, $resp, $mtime, $nocomp); |
57f93db1 DM |
317 | }; |
318 | if (my $err = $@) { | |
319 | $self->error($reqstate, 501, $err); | |
320 | } | |
321 | }; | |
f91072d5 | 322 | |
57f93db1 DM |
323 | warn $@ if $@; |
324 | } | |
325 | ||
326 | sub proxy_request { | |
d06a1c62 | 327 | my ($self, $reqstate, $clientip, $host, $method, $uri, $ticket, $token, $params) = @_; |
57f93db1 DM |
328 | |
329 | eval { | |
330 | my $target; | |
5a68b2b2 | 331 | my $keep_alive = 1; |
57f93db1 | 332 | if ($host eq 'localhost') { |
d06a1c62 | 333 | $target = "http://$host:85$uri"; |
5a68b2b2 DM |
334 | # keep alive for localhost is not worth (connection setup is about 0.2ms) |
335 | $keep_alive = 0; | |
57f93db1 | 336 | } else { |
d06a1c62 | 337 | $target = "https://$host:8006$uri"; |
57f93db1 DM |
338 | } |
339 | ||
340 | my $headers = { | |
341 | PVEDisableProxy => 'true', | |
342 | PVEClientIP => $clientip, | |
343 | }; | |
344 | ||
57f93db1 DM |
345 | $headers->{'cookie'} = PVE::REST::create_auth_cookie($ticket) if $ticket; |
346 | $headers->{'CSRFPreventionToken'} = $token if $token; | |
5c495833 | 347 | $headers->{'Accept-Encoding'} = 'gzip' if $reqstate->{accept_gzip}; |
57f93db1 DM |
348 | |
349 | my $content; | |
350 | ||
351 | if ($method eq 'POST' || $method eq 'PUT') { | |
352 | $headers->{'Content-Type'} = 'application/x-www-form-urlencoded'; | |
d06a1c62 | 353 | # use URI object to format application/x-www-form-urlencoded content. |
57f93db1 DM |
354 | my $url = URI->new('http:'); |
355 | $url->query_form(%$params); | |
356 | $content = $url->query; | |
357 | if (defined($content)) { | |
358 | $headers->{'Content-Length'} = length($content); | |
359 | } | |
360 | } | |
361 | ||
57f93db1 | 362 | my $w; $w = http_request( |
f91072d5 DM |
363 | $method => $target, |
364 | headers => $headers, | |
365 | timeout => 30, | |
353fef24 | 366 | recurse => 0, |
139cb2da | 367 | proxy => undef, # avoid use of $ENV{HTTP_PROXY} |
5a68b2b2 | 368 | keepalive => $keep_alive, |
f91072d5 | 369 | body => $content, |
353fef24 | 370 | tls_ctx => $self->{tls_ctx}, |
57f93db1 DM |
371 | sub { |
372 | my ($body, $hdr) = @_; | |
373 | ||
374 | undef $w; | |
f91072d5 | 375 | |
17c8ec64 DM |
376 | if (!$reqstate->{hdl}) { |
377 | warn "proxy detected vanished client connection\n"; | |
378 | return; | |
379 | } | |
380 | ||
57f93db1 DM |
381 | eval { |
382 | my $code = delete $hdr->{Status}; | |
383 | my $msg = delete $hdr->{Reason}; | |
384 | delete $hdr->{URL}; | |
385 | delete $hdr->{HTTPVersion}; | |
386 | my $header = HTTP::Headers->new(%$hdr); | |
387 | my $resp = HTTP::Response->new($code, $msg, $header, $body); | |
5c495833 | 388 | # Note: disable compression, because body is already compressed |
57f93db1 DM |
389 | $self->response($reqstate, $resp, undef, 1); |
390 | }; | |
391 | warn $@ if $@; | |
392 | }); | |
393 | }; | |
394 | warn $@ if $@; | |
395 | } | |
396 | ||
d06a1c62 DM |
397 | # return arrays as \0 separated strings (like CGI.pm) |
398 | sub decode_urlencoded { | |
399 | my ($data) = @_; | |
400 | ||
401 | my $res = {}; | |
402 | ||
403 | return $res if !$data; | |
404 | ||
405 | foreach my $kv (split(/[\&\;]/, $data)) { | |
406 | my ($k, $v) = split(/=/, $kv); | |
407 | $k =~s/\+/ /g; | |
408 | $k =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
409 | $v =~s/\+/ /g; | |
410 | $v =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
411 | ||
412 | if (defined(my $old = $res->{$k})) { | |
413 | $res->{$k} = "$old\0$v"; | |
414 | } else { | |
415 | $res->{$k} = $v; | |
416 | } | |
417 | } | |
418 | return $res; | |
419 | } | |
420 | ||
f6c357cf | 421 | sub extract_params { |
57f93db1 DM |
422 | my ($r, $method) = @_; |
423 | ||
d06a1c62 | 424 | my $params = {}; |
57f93db1 DM |
425 | |
426 | if ($method eq 'PUT' || $method eq 'POST') { | |
d06a1c62 | 427 | $params = decode_urlencoded($r->content); |
57f93db1 DM |
428 | } |
429 | ||
d06a1c62 | 430 | my $query_params = decode_urlencoded($r->url->query()); |
57f93db1 DM |
431 | |
432 | foreach my $k (keys %{$query_params}) { | |
433 | $params->{$k} = $query_params->{$k}; | |
434 | } | |
435 | ||
436 | return PVE::Tools::decode_utf8_parameters($params); | |
f6c357cf | 437 | } |
57f93db1 DM |
438 | |
439 | sub handle_api2_request { | |
d06a1c62 | 440 | my ($self, $reqstate, $auth, $upload_state) = @_; |
57f93db1 DM |
441 | |
442 | eval { | |
443 | my $r = $reqstate->{request}; | |
444 | my $method = $r->method(); | |
445 | my $path = $r->uri->path(); | |
446 | ||
d06a1c62 | 447 | my ($rel_uri, $format) = split_abs_uri($path); |
3ed61033 DM |
448 | |
449 | my $formater = PVE::REST::get_formater($format); | |
450 | ||
451 | if (!defined($formater)) { | |
452 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri $rel_uri, $format"); | |
57f93db1 DM |
453 | return; |
454 | } | |
455 | ||
d0547f7f | 456 | #print Dumper($upload_state) if $upload_state; |
57f93db1 | 457 | |
d06a1c62 | 458 | my $rpcenv = $self->{rpcenv}; |
57f93db1 | 459 | |
d06a1c62 | 460 | my $params; |
57f93db1 | 461 | |
d06a1c62 DM |
462 | if ($upload_state) { |
463 | $params = $upload_state->{params}; | |
464 | } else { | |
f6c357cf | 465 | $params = extract_params($r, $method); |
d06a1c62 | 466 | } |
57f93db1 | 467 | |
d06a1c62 | 468 | delete $params->{_dc}; # remove disable cache parameter |
57f93db1 | 469 | |
d06a1c62 | 470 | my $clientip = $reqstate->{peer_host}; |
57f93db1 | 471 | |
d06a1c62 | 472 | $rpcenv->init_request(); |
57f93db1 | 473 | |
d06a1c62 | 474 | my $res = PVE::REST::rest_handler($rpcenv, $clientip, $method, $rel_uri, $auth, $params); |
57f93db1 | 475 | |
23699d1e DM |
476 | AnyEvent->now_update(); # in case somebody called sleep() |
477 | ||
57f93db1 DM |
478 | $rpcenv->set_user(undef); # clear after request |
479 | ||
40ca6e9c | 480 | if (my $host = $res->{proxy}) { |
57f93db1 DM |
481 | |
482 | if ($self->{trusted_env}) { | |
483 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy not allowed"); | |
484 | return; | |
f91072d5 | 485 | } |
57f93db1 | 486 | |
40ca6e9c | 487 | if ($host ne 'localhost' && $r->header('PVEDisableProxy')) { |
f2c8b269 DM |
488 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); |
489 | return; | |
490 | } | |
491 | ||
d06a1c62 DM |
492 | $res->{proxy_params}->{tmpfilename} = $reqstate->{tmpfilename} if $upload_state; |
493 | ||
40ca6e9c | 494 | $self->proxy_request($reqstate, $clientip, $host, $method, |
d06a1c62 | 495 | $r->uri, $auth->{ticket}, $auth->{token}, $res->{proxy_params}); |
57f93db1 DM |
496 | return; |
497 | ||
498 | } | |
499 | ||
8dc1715b DM |
500 | my $delay = 0; |
501 | if ($res->{status} == HTTP_UNAUTHORIZED) { | |
502 | # always delay unauthorized calls by 3 seconds | |
503 | $delay = 3 - tv_interval($reqstate->{starttime}); | |
504 | $delay = 0 if $delay < 0; | |
505 | } | |
506 | ||
3ed61033 DM |
507 | if ($res->{info} && $res->{info}->{formater}) { |
508 | if (defined(my $func = $res->{info}->{formater}->{$format})) { | |
509 | $formater = $func; | |
510 | } | |
511 | } | |
512 | ||
513 | my ($raw, $ct, $nocomp) = &$formater($res, $res->{data}, $path, $auth); | |
514 | ||
c9c0cd34 DM |
515 | my $resp; |
516 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
517 | $resp = $raw; | |
518 | } else { | |
519 | $resp = HTTP::Response->new($res->{status}, $res->{message}); | |
520 | $resp->header("Content-Type" => $ct); | |
521 | $resp->content($raw); | |
522 | } | |
8dc1715b | 523 | $self->response($reqstate, $resp, undef, $nocomp, $delay); |
57f93db1 | 524 | }; |
d06a1c62 DM |
525 | if (my $err = $@) { |
526 | $self->error($reqstate, 501, $err); | |
527 | } | |
57f93db1 DM |
528 | } |
529 | ||
33afb29b | 530 | sub handle_spice_proxy_request { |
89634434 | 531 | my ($self, $reqstate, $connect_str, $vmid, $node, $spiceport) = @_; |
33afb29b DM |
532 | |
533 | eval { | |
534 | ||
f60bd577 AD |
535 | die "Port $spiceport is not allowed" if ($spiceport < 61000 || $spiceport > 61099); |
536 | ||
c3b83ed1 DM |
537 | my $rpcenv = $self->{rpcenv}; |
538 | $rpcenv->init_request(); | |
539 | ||
f2c8b269 DM |
540 | my $clientip = $reqstate->{peer_host}; |
541 | my $r = $reqstate->{request}; | |
542 | ||
33afb29b DM |
543 | my $remip; |
544 | ||
ce429a15 | 545 | if ($node ne 'localhost' && PVE::INotify::nodename() !~ m/^$node$/i) { |
33afb29b | 546 | $remip = PVE::Cluster::remote_node_ip($node); |
89634434 DM |
547 | die "unable to get remote IP address for node '$node'\n" if !$remip; |
548 | print "REMOTE CONNECT $vmid, $remip, $connect_str\n" if $self->{debug}; | |
549 | } else { | |
550 | print "$$: CONNECT $vmid, $node, $spiceport\n" if $self->{debug}; | |
551 | } | |
33afb29b | 552 | |
64363f40 | 553 | if ($remip && $r->header('PVEDisableProxy')) { |
f2c8b269 DM |
554 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); |
555 | return; | |
556 | } | |
557 | ||
33afb29b | 558 | $reqstate->{hdl}->timeout(0); |
89634434 | 559 | $reqstate->{hdl}->wbuf_max(64*10*1024); |
33afb29b | 560 | |
89634434 DM |
561 | my $remhost = $remip ? $remip : "127.0.0.1"; |
562 | my $remport = $remip ? 3128 : $spiceport; | |
33afb29b | 563 | |
89634434 | 564 | tcp_connect $remhost, $remport, sub { |
33afb29b | 565 | my ($fh) = @_ |
89634434 | 566 | or die "connect to '$remhost:$remport' failed: $!"; |
33afb29b | 567 | |
89634434 | 568 | print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug}; |
33afb29b DM |
569 | $reqstate->{proxyhdl} = AnyEvent::Handle->new( |
570 | fh => $fh, | |
571 | rbuf_max => 64*1024, | |
572 | wbuf_max => 64*10*1024, | |
89634434 | 573 | timeout => 5, |
33afb29b DM |
574 | on_eof => sub { |
575 | my ($hdl) = @_; | |
576 | eval { | |
577 | $self->log_aborted_request($reqstate); | |
578 | $self->client_do_disconnect($reqstate); | |
579 | }; | |
580 | if (my $err = $@) { syslog('err', $err); } | |
581 | }, | |
582 | on_error => sub { | |
583 | my ($hdl, $fatal, $message) = @_; | |
584 | eval { | |
585 | $self->log_aborted_request($reqstate, $message); | |
586 | $self->client_do_disconnect($reqstate); | |
587 | }; | |
588 | if (my $err = $@) { syslog('err', "$err"); } | |
cffad904 | 589 | }); |
33afb29b | 590 | |
89634434 | 591 | |
cffad904 DM |
592 | my $proxyhdlreader = sub { |
593 | my ($hdl) = @_; | |
33afb29b | 594 | |
cffad904 DM |
595 | my $len = length($hdl->{rbuf}); |
596 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
597 | ||
598 | #print "READ1 $len\n"; | |
599 | $reqstate->{hdl}->push_write($data) if $reqstate->{hdl}; | |
600 | }; | |
601 | ||
602 | my $hdlreader = sub { | |
33afb29b DM |
603 | my ($hdl) = @_; |
604 | ||
605 | my $len = length($hdl->{rbuf}); | |
606 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
607 | ||
608 | #print "READ0 $len\n"; | |
609 | $reqstate->{proxyhdl}->push_write($data) if $reqstate->{proxyhdl}; | |
cffad904 DM |
610 | }; |
611 | ||
89634434 | 612 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; |
33afb29b | 613 | |
89634434 DM |
614 | my $startproxy = sub { |
615 | $reqstate->{proxyhdl}->timeout(0); | |
616 | $reqstate->{proxyhdl}->on_read($proxyhdlreader); | |
617 | $reqstate->{hdl}->on_read($hdlreader); | |
33afb29b | 618 | |
89634434 | 619 | # todo: use stop_read/start_read if write buffer grows to much |
33afb29b | 620 | |
89634434 DM |
621 | my $res = "$proto 200 OK\015\012"; # hope this is the right answer? |
622 | $reqstate->{hdl}->push_write($res); | |
623 | ||
624 | # log early | |
625 | $reqstate->{log}->{code} = 200; | |
626 | $self->log_request($reqstate); | |
627 | }; | |
628 | ||
629 | if ($remip) { | |
630 | my $header = "CONNECT ${connect_str} $proto\015\012" . | |
631 | "Host: ${connect_str}\015\012" . | |
632 | "Proxy-Connection: keep-alive\015\012" . | |
633 | "User-Agent: spiceproxy\015\012" . | |
f2c8b269 DM |
634 | "PVEDisableProxy: true\015\012" . |
635 | "PVEClientIP: $clientip\015\012" . | |
89634434 | 636 | "\015\012"; |
f2c8b269 | 637 | |
89634434 DM |
638 | $reqstate->{proxyhdl}->push_write($header); |
639 | $reqstate->{proxyhdl}->push_read(line => sub { | |
640 | my ($hdl, $line) = @_; | |
641 | ||
642 | if ($line =~ m!^$proto 200 OK$!) { | |
643 | &$startproxy(); | |
644 | } else { | |
645 | $reqstate->{hdl}->push_write($line); | |
646 | $self->client_do_disconnect($reqstate); | |
647 | } | |
648 | }); | |
649 | } else { | |
650 | &$startproxy(); | |
651 | } | |
8d5310c1 | 652 | |
33afb29b DM |
653 | }; |
654 | }; | |
655 | if (my $err = $@) { | |
94c803f4 | 656 | warn $err; |
33afb29b DM |
657 | $self->log_aborted_request($reqstate, $err); |
658 | $self->client_do_disconnect($reqstate); | |
659 | } | |
660 | } | |
661 | ||
57f93db1 | 662 | sub handle_request { |
d06a1c62 | 663 | my ($self, $reqstate, $auth) = @_; |
57f93db1 DM |
664 | |
665 | eval { | |
666 | my $r = $reqstate->{request}; | |
667 | my $method = $r->method(); | |
668 | my $path = $r->uri->path(); | |
23699d1e DM |
669 | |
670 | # disable timeout on handle (we already have all data we need) | |
671 | # we re-enable timeout in response() | |
672 | $reqstate->{hdl}->timeout(0); | |
57f93db1 | 673 | |
d06a1c62 DM |
674 | if ($path =~ m!$baseuri!) { |
675 | $self->handle_api2_request($reqstate, $auth); | |
57f93db1 DM |
676 | return; |
677 | } | |
678 | ||
679 | if ($self->{pages} && ($method eq 'GET') && (my $handler = $self->{pages}->{$path})) { | |
680 | if (ref($handler) eq 'CODE') { | |
d06a1c62 DM |
681 | my $params = decode_urlencoded($r->url->query()); |
682 | my ($resp, $userid) = &$handler($self, $reqstate->{request}, $params); | |
57f93db1 DM |
683 | $self->response($reqstate, $resp); |
684 | } elsif (ref($handler) eq 'HASH') { | |
685 | if (my $filename = $handler->{file}) { | |
686 | my $fh = IO::File->new($filename) || | |
687 | die "unable to open file '$filename' - $!\n"; | |
688 | send_file_start($self, $reqstate, $filename); | |
689 | } else { | |
690 | die "internal error - no handler"; | |
691 | } | |
692 | } else { | |
693 | die "internal error - no handler"; | |
694 | } | |
695 | return; | |
f91072d5 | 696 | } |
57f93db1 DM |
697 | |
698 | if ($self->{dirs} && ($method eq 'GET')) { | |
699 | # we only allow simple names | |
700 | if ($path =~ m!^(/\S+/)([a-zA-Z0-9\-\_\.]+)$!) { | |
701 | my ($subdir, $file) = ($1, $2); | |
702 | if (my $dir = $self->{dirs}->{$subdir}) { | |
703 | my $filename = "$dir$file"; | |
704 | my $fh = IO::File->new($filename) || | |
705 | die "unable to open file '$filename' - $!\n"; | |
706 | send_file_start($self, $reqstate, $filename); | |
707 | return; | |
708 | } | |
709 | } | |
710 | } | |
711 | ||
712 | die "no such file '$path'"; | |
713 | }; | |
714 | if (my $err = $@) { | |
715 | $self->error($reqstate, 501, $err); | |
716 | } | |
717 | } | |
718 | ||
d06a1c62 DM |
719 | sub file_upload_multipart { |
720 | my ($self, $reqstate, $auth, $rstate) = @_; | |
721 | ||
722 | eval { | |
723 | my $boundary = $rstate->{boundary}; | |
724 | my $hdl = $reqstate->{hdl}; | |
725 | ||
726 | my $startlen = length($hdl->{rbuf}); | |
727 | ||
728 | if ($rstate->{phase} == 0) { # skip everything until start | |
729 | if ($hdl->{rbuf} =~ s/^.*?--\Q$boundary\E \015?\012 | |
730 | ((?:[^\015]+\015\012)* ) \015?\012//xs) { | |
731 | my $header = $1; | |
732 | my ($ct, $disp, $name, $filename); | |
733 | foreach my $line (split(/\015?\012/, $header)) { | |
734 | # assume we have single line headers | |
735 | if ($line =~ m/^Content-Type\s*:\s*(.*)/i) { | |
736 | $ct = parse_content_type($1); | |
737 | } elsif ($line =~ m/^Content-Disposition\s*:\s*(.*)/i) { | |
738 | ($disp, $name, $filename) = parse_content_disposition($1); | |
739 | } | |
740 | } | |
741 | ||
742 | if (!($disp && $disp eq 'form-data' && $name)) { | |
a81182b0 | 743 | syslog('err', "wrong content disposition in multipart - abort upload"); |
d06a1c62 DM |
744 | $rstate->{phase} = -1; |
745 | } else { | |
746 | ||
747 | $rstate->{fieldname} = $name; | |
748 | ||
a81182b0 DM |
749 | if ($filename) { |
750 | if ($name eq 'filename') { | |
751 | # found file upload data | |
752 | $rstate->{phase} = 1; | |
753 | $rstate->{filename} = $filename; | |
754 | } else { | |
755 | syslog('err', "wrong field name for file upload - abort upload"); | |
756 | $rstate->{phase} = -1; | |
757 | } | |
758 | } else { | |
d06a1c62 DM |
759 | # found form data for field $name |
760 | $rstate->{phase} = 2; | |
d06a1c62 DM |
761 | } |
762 | } | |
763 | } else { | |
764 | my $len = length($hdl->{rbuf}); | |
765 | substr($hdl->{rbuf}, 0, $len - $rstate->{maxheader}, '') | |
766 | if $len > $rstate->{maxheader}; # skip garbage | |
767 | } | |
768 | } elsif ($rstate->{phase} == 1) { # inside file - dump until end marker | |
769 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
770 | my ($rest, $eof) = ($1, $3); | |
771 | my $len = length($rest); | |
772 | die "write to temporary file failed - $!" | |
773 | if syswrite($rstate->{outfh}, $rest) != $len; | |
774 | $rstate->{ctx}->add($rest); | |
775 | $rstate->{params}->{filename} = $rstate->{filename}; | |
776 | $rstate->{md5sum} = $rstate->{ctx}->hexdigest; | |
777 | $rstate->{bytes} += $len; | |
778 | $rstate->{phase} = $eof ? 100 : 0; | |
779 | } else { | |
780 | my $len = length($hdl->{rbuf}); | |
781 | my $wlen = $len - $rstate->{boundlen}; | |
782 | if ($wlen > 0) { | |
2c32df36 | 783 | my $data = substr($hdl->{rbuf}, 0, $wlen, ''); |
d06a1c62 DM |
784 | die "write to temporary file failed - $!" |
785 | if syswrite($rstate->{outfh}, $data) != $wlen; | |
786 | $rstate->{bytes} += $wlen; | |
787 | $rstate->{ctx}->add($data); | |
788 | } | |
789 | } | |
790 | } elsif ($rstate->{phase} == 2) { # inside normal field | |
791 | ||
792 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
793 | my ($rest, $eof) = ($1, $3); | |
794 | my $len = length($rest); | |
209b203e DM |
795 | $rstate->{post_size} += $len; |
796 | if ($rstate->{post_size} < $limit_max_post) { | |
d06a1c62 DM |
797 | $rstate->{params}->{$rstate->{fieldname}} = $rest; |
798 | $rstate->{phase} = $eof ? 100 : 0; | |
799 | } else { | |
209b203e | 800 | syslog('err', "form data to large - abort upload"); |
d06a1c62 DM |
801 | $rstate->{phase} = -1; # skip |
802 | } | |
803 | } | |
804 | } else { # skip | |
805 | my $len = length($hdl->{rbuf}); | |
806 | substr($hdl->{rbuf}, 0, $len, ''); # empty rbuf | |
807 | } | |
808 | ||
809 | $rstate->{read} += ($startlen - length($hdl->{rbuf})); | |
810 | ||
811 | if (!$rstate->{done} && ($rstate->{read} + length($hdl->{rbuf})) >= $rstate->{size}) { | |
812 | $rstate->{done} = 1; # make sure we dont get called twice | |
813 | if ($rstate->{phase} < 0 || !$rstate->{md5sum}) { | |
f6c357cf | 814 | die "upload failed\n"; |
d06a1c62 DM |
815 | } else { |
816 | my $elapsed = tv_interval($rstate->{starttime}); | |
817 | ||
818 | my $rate = int($rstate->{bytes}/($elapsed*1024*1024)); | |
819 | syslog('info', "multipart upload complete " . | |
2c32df36 DM |
820 | "(size: %d time: %ds rate: %.2fMiB/s md5sum: $rstate->{md5sum})", |
821 | $rstate->{bytes}, $elapsed, $rate); | |
d06a1c62 DM |
822 | $self->handle_api2_request($reqstate, $auth, $rstate); |
823 | } | |
824 | } | |
825 | }; | |
826 | if (my $err = $@) { | |
2c32df36 | 827 | syslog('err', $err); |
d06a1c62 DM |
828 | $self->error($reqstate, 501, $err); |
829 | } | |
830 | } | |
831 | ||
832 | sub parse_content_type { | |
833 | my ($ctype) = @_; | |
834 | ||
835 | my ($ct, @params) = split(/\s*[;,]\s*/o, $ctype); | |
836 | ||
837 | foreach my $v (@params) { | |
838 | if ($v =~ m/^\s*boundary\s*=\s*(\S+?)\s*$/o) { | |
839 | return wantarray ? ($ct, $1) : $ct; | |
840 | } | |
841 | } | |
842 | ||
843 | return wantarray ? ($ct) : $ct; | |
844 | } | |
845 | ||
846 | sub parse_content_disposition { | |
847 | my ($line) = @_; | |
848 | ||
849 | my ($disp, @params) = split(/\s*[;,]\s*/o, $line); | |
850 | my $name; | |
851 | my $filename; | |
852 | ||
853 | foreach my $v (@params) { | |
854 | if ($v =~ m/^\s*name\s*=\s*(\S+?)\s*$/o) { | |
855 | $name = $1; | |
856 | $name =~ s/^"(.*)"$/$1/; | |
e3110298 | 857 | } elsif ($v =~ m/^\s*filename\s*=\s*(.+?)\s*$/o) { |
d06a1c62 DM |
858 | $filename = $1; |
859 | $filename =~ s/^"(.*)"$/$1/; | |
860 | } | |
861 | } | |
862 | ||
863 | return wantarray ? ($disp, $name, $filename) : $disp; | |
864 | } | |
865 | ||
866 | my $tmpfile_seq_no = 0; | |
867 | ||
868 | sub get_upload_filename { | |
869 | # choose unpredictable tmpfile name | |
870 | ||
871 | $tmpfile_seq_no++; | |
872 | return "/var/tmp/pveupload-" . Digest::MD5::md5_hex($tmpfile_seq_no . time() . $$); | |
873 | } | |
874 | ||
57f93db1 DM |
875 | sub unshift_read_header { |
876 | my ($self, $reqstate, $state) = @_; | |
877 | ||
209b203e | 878 | $state = { size => 0, count => 0 } if !$state; |
57f93db1 DM |
879 | |
880 | $reqstate->{hdl}->unshift_read(line => sub { | |
881 | my ($hdl, $line) = @_; | |
882 | ||
883 | eval { | |
209b203e DM |
884 | # print "$$: got header: $line\n" if $self->{debug}; |
885 | ||
886 | die "to many http header lines\n" if ++$state->{count} >= $limit_max_headers; | |
887 | die "http header too large\n" if ($state->{size} += length($line)) >= $limit_max_header_size; | |
57f93db1 DM |
888 | |
889 | my $r = $reqstate->{request}; | |
890 | if ($line eq '') { | |
891 | ||
d06a1c62 DM |
892 | my $path = $r->uri->path(); |
893 | my $method = $r->method(); | |
894 | ||
57f93db1 DM |
895 | $r->push_header($state->{key}, $state->{val}) |
896 | if $state->{key}; | |
897 | ||
d06a1c62 DM |
898 | if (!$known_methods->{$method}) { |
899 | my $resp = HTTP::Response->new(HTTP_NOT_IMPLEMENTED, "method '$method' not available"); | |
900 | $self->response($reqstate, $resp); | |
901 | return; | |
902 | } | |
903 | ||
57f93db1 | 904 | my $conn = $r->header('Connection'); |
5c495833 DM |
905 | my $accept_enc = $r->header('Accept-Encoding'); |
906 | $reqstate->{accept_gzip} = ($accept_enc && $accept_enc =~ m/gzip/) ? 1 : 0; | |
57f93db1 DM |
907 | |
908 | if ($conn) { | |
909 | $reqstate->{keep_alive} = 0 if $conn =~ m/close/oi; | |
910 | } else { | |
911 | if ($reqstate->{proto}->{ver} < 1001) { | |
912 | $reqstate->{keep_alive} = 0; | |
913 | } | |
914 | } | |
915 | ||
57f93db1 | 916 | my $te = $r->header('Transfer-Encoding'); |
d06a1c62 DM |
917 | if ($te && lc($te) eq 'chunked') { |
918 | # Handle chunked transfer encoding | |
919 | $self->error($reqstate, 501, "chunked transfer encoding not supported"); | |
920 | return; | |
921 | } elsif ($te) { | |
922 | $self->error($reqstate, 501, "Unknown transfer encoding '$te'"); | |
923 | return; | |
924 | } | |
925 | ||
57f93db1 DM |
926 | my $pveclientip = $r->header('PVEClientIP'); |
927 | ||
f91072d5 | 928 | # fixme: how can we make PVEClientIP header trusted? |
57f93db1 DM |
929 | if ($self->{trusted_env} && $pveclientip) { |
930 | $reqstate->{peer_host} = $pveclientip; | |
931 | } else { | |
932 | $r->header('PVEClientIP', $reqstate->{peer_host}); | |
933 | } | |
934 | ||
d06a1c62 DM |
935 | my $len = $r->header('Content-Length'); |
936 | ||
937 | # header processing complete - authenticate now | |
938 | ||
939 | my $auth = {}; | |
33afb29b DM |
940 | if ($self->{spiceproxy}) { |
941 | my $connect_str = $r->header('Host'); | |
8a223d4f | 942 | my ($vmid, $node, $port) = PVE::AccessControl::verify_spice_connect_url($connect_str); |
e1bae24c | 943 | if (!(defined($vmid) && $node && $port)) { |
33afb29b DM |
944 | $self->error($reqstate, HTTP_UNAUTHORIZED, "invalid ticket"); |
945 | return; | |
946 | } | |
89634434 | 947 | $self->handle_spice_proxy_request($reqstate, $connect_str, $vmid, $node, $port); |
33afb29b DM |
948 | return; |
949 | } elsif ($path =~ m!$baseuri!) { | |
d06a1c62 DM |
950 | my $token = $r->header('CSRFPreventionToken'); |
951 | my $cookie = $r->header('Cookie'); | |
952 | my $ticket = PVE::REST::extract_auth_cookie($cookie); | |
953 | ||
954 | my ($rel_uri, $format) = split_abs_uri($path); | |
955 | if (!$format) { | |
956 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri"); | |
957 | return; | |
958 | } | |
959 | ||
960 | eval { | |
961 | $auth = PVE::REST::auth_handler($self->{rpcenv}, $reqstate->{peer_host}, $method, | |
962 | $rel_uri, $ticket, $token); | |
963 | }; | |
964 | if (my $err = $@) { | |
3ed61033 DM |
965 | # always delay unauthorized calls by 3 seconds |
966 | my $delay = 3; | |
967 | if (my $formater = PVE::REST::get_login_formater($format)) { | |
968 | my ($raw, $ct, $nocomp) = &$formater($path, $auth); | |
969 | my $resp; | |
970 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
971 | $resp = $raw; | |
972 | } else { | |
973 | $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, "Login Required"); | |
974 | $resp->header("Content-Type" => $ct); | |
975 | $resp->content($raw); | |
976 | } | |
977 | $self->response($reqstate, $resp, undef, $nocomp, 3); | |
978 | } else { | |
979 | my $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, $err); | |
980 | $self->response($reqstate, $resp, undef, 0, $delay); | |
981 | } | |
d06a1c62 DM |
982 | return; |
983 | } | |
984 | } | |
985 | ||
986 | $reqstate->{log}->{userid} = $auth->{userid}; | |
987 | ||
e66d68a9 | 988 | if ($len) { |
d06a1c62 DM |
989 | |
990 | if (!($method eq 'PUT' || $method eq 'POST')) { | |
991 | $self->error($reqstate, 501, "Unexpected content for method '$method'"); | |
992 | return; | |
993 | } | |
994 | ||
995 | my $ctype = $r->header('Content-Type'); | |
d0547f7f | 996 | my ($ct, $boundary) = parse_content_type($ctype) if $ctype; |
d06a1c62 DM |
997 | |
998 | if ($auth->{isUpload} && !$self->{trusted_env}) { | |
999 | die "upload 'Content-Type '$ctype' not implemented\n" | |
d0547f7f | 1000 | if !($boundary && $ct && ($ct eq 'multipart/form-data')); |
d06a1c62 DM |
1001 | |
1002 | die "upload without content length header not supported" if !$len; | |
1003 | ||
1004 | die "upload without content length header not supported" if !$len; | |
1005 | ||
1006 | print "start upload $path $ct $boundary\n" if $self->{debug}; | |
1007 | ||
1008 | my $tmpfilename = get_upload_filename(); | |
1009 | my $outfh = IO::File->new($tmpfilename, O_RDWR|O_CREAT|O_EXCL, 0600) || | |
1010 | die "unable to create temporary upload file '$tmpfilename'"; | |
1011 | ||
1012 | $reqstate->{keep_alive} = 0; | |
1013 | ||
1014 | my $boundlen = length($boundary) + 8; # \015?\012--$boundary--\015?\012 | |
1015 | ||
1016 | my $state = { | |
1017 | size => $len, | |
1018 | boundary => $boundary, | |
1019 | ctx => Digest::MD5->new, | |
1020 | boundlen => $boundlen, | |
1021 | maxheader => 2048 + $boundlen, # should be large enough | |
1022 | params => decode_urlencoded($r->url->query()), | |
1023 | phase => 0, | |
1024 | read => 0, | |
209b203e | 1025 | post_size => 0, |
d06a1c62 DM |
1026 | starttime => [gettimeofday], |
1027 | outfh => $outfh, | |
1028 | }; | |
1029 | $reqstate->{tmpfilename} = $tmpfilename; | |
1030 | $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $state); }); | |
1031 | return; | |
1032 | } | |
1033 | ||
209b203e DM |
1034 | if ($len > $limit_max_post) { |
1035 | $self->error($reqstate, 501, "for data too large"); | |
1036 | return; | |
1037 | } | |
1038 | ||
d06a1c62 DM |
1039 | if (!$ct || $ct eq 'application/x-www-form-urlencoded') { |
1040 | $reqstate->{hdl}->unshift_read(chunk => $len, sub { | |
1041 | my ($hdl, $data) = @_; | |
1042 | $r->content($data); | |
1043 | $self->handle_request($reqstate, $auth); | |
1044 | }); | |
1045 | } else { | |
1046 | $self->error($reqstate, 506, "upload 'Content-Type '$ctype' not implemented"); | |
1047 | } | |
57f93db1 | 1048 | } else { |
d06a1c62 | 1049 | $self->handle_request($reqstate, $auth); |
57f93db1 DM |
1050 | } |
1051 | } elsif ($line =~ /^([^:\s]+)\s*:\s*(.*)/) { | |
1052 | $r->push_header($state->{key}, $state->{val}) if $state->{key}; | |
1053 | ($state->{key}, $state->{val}) = ($1, $2); | |
1054 | $self->unshift_read_header($reqstate, $state); | |
1055 | } elsif ($line =~ /^\s+(.*)/) { | |
1056 | $state->{val} .= " $1"; | |
1057 | $self->unshift_read_header($reqstate, $state); | |
1058 | } else { | |
1059 | $self->error($reqstate, 506, "unable to parse request header"); | |
1060 | } | |
1061 | }; | |
1062 | warn $@ if $@; | |
1063 | }); | |
1064 | }; | |
1065 | ||
1066 | sub push_request_header { | |
1067 | my ($self, $reqstate) = @_; | |
1068 | ||
1069 | eval { | |
1070 | $reqstate->{hdl}->push_read(line => sub { | |
1071 | my ($hdl, $line) = @_; | |
1072 | ||
1073 | eval { | |
89634434 | 1074 | # print "got request header: $line\n" if $self->{debug}; |
f91072d5 | 1075 | |
57f93db1 DM |
1076 | $reqstate->{keep_alive}--; |
1077 | ||
1078 | if ($line =~ /(\S+)\040(\S+)\040HTTP\/(\d+)\.(\d+)/o) { | |
9195c8f9 | 1079 | my ($method, $url, $maj, $min) = ($1, $2, $3, $4); |
57f93db1 DM |
1080 | |
1081 | if ($maj != 1) { | |
1082 | $self->error($reqstate, 506, "http protocol version $maj.$min not supported"); | |
1083 | return; | |
1084 | } | |
1085 | ||
1086 | $self->{request_count}++; # only count valid request headers | |
1087 | if ($self->{request_count} >= $self->{max_requests}) { | |
f91072d5 | 1088 | $self->{end_loop} = 1; |
57f93db1 DM |
1089 | } |
1090 | $reqstate->{log} = { requestline => $line }; | |
d0547f7f | 1091 | $reqstate->{proto}->{str} = "HTTP/$maj.$min"; |
57f93db1 DM |
1092 | $reqstate->{proto}->{maj} = $maj; |
1093 | $reqstate->{proto}->{min} = $min; | |
1094 | $reqstate->{proto}->{ver} = $maj*1000+$min; | |
9195c8f9 | 1095 | $reqstate->{request} = HTTP::Request->new($method, uri_unescape($url)); |
8dc1715b | 1096 | $reqstate->{starttime} = [gettimeofday], |
57f93db1 DM |
1097 | |
1098 | $self->unshift_read_header($reqstate); | |
1099 | } elsif ($line eq '') { | |
1100 | # ignore empty lines before requests (browser bugs?) | |
1101 | $self->push_request_header($reqstate); | |
1102 | } else { | |
1103 | $self->error($reqstate, 400, 'bad request'); | |
1104 | } | |
1105 | }; | |
1106 | warn $@ if $@; | |
1107 | }); | |
1108 | }; | |
1109 | warn $@ if $@; | |
1110 | } | |
1111 | ||
1112 | sub accept { | |
1113 | my ($self) = @_; | |
1114 | ||
1115 | my $clientfh; | |
1116 | ||
1117 | return if $self->{end_loop}; | |
1118 | ||
1119 | # we need to m make sure that only one process calls accept | |
1120 | while (!flock($self->{lockfh}, Fcntl::LOCK_EX())) { | |
1121 | next if $! == EINTR; | |
1122 | die "could not get lock on file '$self->{lockfile}' - $!\n"; | |
1123 | } | |
1124 | ||
1125 | my $again = 0; | |
1126 | my $errmsg; | |
1127 | eval { | |
1128 | while (!$self->{end_loop} && | |
1129 | !defined($clientfh = $self->{socket}->accept()) && | |
1130 | ($! == EINTR)) {}; | |
1131 | ||
1132 | if ($self->{end_loop}) { | |
1133 | $again = 0; | |
1134 | } else { | |
1135 | $again = ($! == EAGAIN || $! == WSAEWOULDBLOCK); | |
1136 | if (!defined($clientfh)) { | |
1137 | $errmsg = "failed to accept connection: $!\n"; | |
1138 | } | |
1139 | } | |
1140 | }; | |
1141 | warn $@ if $@; | |
1142 | ||
1143 | flock($self->{lockfh}, Fcntl::LOCK_UN()); | |
1144 | ||
1145 | if (!defined($clientfh)) { | |
1146 | return if $again; | |
1147 | die $errmsg if $errmsg; | |
1148 | } | |
1149 | ||
f91072d5 | 1150 | fh_nonblocking $clientfh, 1; |
57f93db1 DM |
1151 | |
1152 | $self->{conn_count}++; | |
1153 | ||
57f93db1 DM |
1154 | return $clientfh; |
1155 | } | |
1156 | ||
1157 | sub wait_end_loop { | |
1158 | my ($self) = @_; | |
1159 | ||
1160 | $self->{end_loop} = 1; | |
1161 | ||
1162 | undef $self->{socket_watch}; | |
f91072d5 | 1163 | |
57f93db1 DM |
1164 | if ($self->{conn_count} <= 0) { |
1165 | $self->{end_cond}->send(1); | |
1166 | return; | |
1167 | } | |
1168 | ||
1169 | # else we need to wait until all open connections gets closed | |
1170 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1171 | eval { | |
f91072d5 | 1172 | # todo: test for active connections instead (we can abort idle connections) |
57f93db1 DM |
1173 | if ($self->{conn_count} <= 0) { |
1174 | undef $w; | |
1175 | $self->{end_cond}->send(1); | |
1176 | } | |
1177 | }; | |
1178 | warn $@ if $@; | |
1179 | }); | |
1180 | } | |
f91072d5 | 1181 | |
a908636e DM |
1182 | |
1183 | sub check_host_access { | |
1184 | my ($self, $clientip) = @_; | |
1185 | ||
1186 | my $cip = Net::IP->new($clientip); | |
1187 | ||
1188 | my $match_allow = 0; | |
1189 | my $match_deny = 0; | |
1190 | ||
1191 | if ($self->{allow_from}) { | |
1192 | foreach my $t (@{$self->{allow_from}}) { | |
1193 | if ($t->overlaps($cip)) { | |
1194 | $match_allow = 1; | |
1195 | last; | |
1196 | } | |
1197 | } | |
1198 | } | |
1199 | ||
1200 | if ($self->{deny_from}) { | |
1201 | foreach my $t (@{$self->{deny_from}}) { | |
1202 | if ($t->overlaps($cip)) { | |
1203 | $match_deny = 1; | |
1204 | last; | |
1205 | } | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | if ($match_allow == $match_deny) { | |
1210 | # match both allow and deny, or no match | |
1211 | return $self->{policy} && $self->{policy} eq 'allow' ? 1 : 0; | |
1212 | } | |
1213 | ||
1214 | return $match_allow; | |
1215 | } | |
1216 | ||
57f93db1 DM |
1217 | sub accept_connections { |
1218 | my ($self) = @_; | |
1219 | ||
1220 | eval { | |
1221 | ||
1222 | while (my $clientfh = $self->accept()) { | |
1223 | ||
1224 | my $reqstate = { keep_alive => $self->{keep_alive} }; | |
1225 | ||
02667982 DM |
1226 | # stop keep-alive when there are many open connections |
1227 | if ($self->{conn_count} >= $self->{max_conn_soft_limit}) { | |
1228 | $reqstate->{keep_alive} = 0; | |
1229 | } | |
1230 | ||
57f93db1 DM |
1231 | if (my $sin = getpeername($clientfh)) { |
1232 | my ($pport, $phost) = Socket::unpack_sockaddr_in($sin); | |
1233 | ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntoa($phost)); | |
1234 | } | |
1235 | ||
a908636e DM |
1236 | if (!$self->{trusted_env} && !$self->check_host_access($reqstate->{peer_host})) { |
1237 | print "$$: ABORT request from $reqstate->{peer_host} - access denied\n" if $self->{debug}; | |
1238 | $reqstate->{log}->{code} = 403; | |
1239 | $self->log_request($reqstate); | |
1240 | next; | |
1241 | } | |
1242 | ||
57f93db1 DM |
1243 | $reqstate->{hdl} = AnyEvent::Handle->new( |
1244 | fh => $clientfh, | |
d06a1c62 | 1245 | rbuf_max => 64*1024, |
57f93db1 DM |
1246 | timeout => $self->{timeout}, |
1247 | linger => 0, # avoid problems with ssh - really needed ? | |
1248 | on_eof => sub { | |
1249 | my ($hdl) = @_; | |
1250 | eval { | |
1251 | $self->log_aborted_request($reqstate); | |
1252 | $self->client_do_disconnect($reqstate); | |
1253 | }; | |
1254 | if (my $err = $@) { syslog('err', $err); } | |
1255 | }, | |
f91072d5 | 1256 | on_error => sub { |
57f93db1 DM |
1257 | my ($hdl, $fatal, $message) = @_; |
1258 | eval { | |
1259 | $self->log_aborted_request($reqstate, $message); | |
1260 | $self->client_do_disconnect($reqstate); | |
1261 | }; | |
1262 | if (my $err = $@) { syslog('err', "$err"); } | |
1263 | }, | |
1264 | ($self->{tls_ctx} ? (tls => "accept", tls_ctx => $self->{tls_ctx}) : ())); | |
1265 | ||
f91072d5 | 1266 | print "$$: ACCEPT FH" . $clientfh->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; |
57f93db1 DM |
1267 | |
1268 | $self->push_request_header($reqstate); | |
1269 | } | |
1270 | }; | |
1271 | ||
1272 | if (my $err = $@) { | |
1273 | syslog('err', $err); | |
1274 | $self->{end_loop} = 1; | |
1275 | } | |
1276 | ||
1277 | $self->wait_end_loop() if $self->{end_loop}; | |
1278 | } | |
1279 | ||
c2e9823c DM |
1280 | # Note: We can't open log file in non-blocking mode and use AnyEvent::Handle, |
1281 | # because we write from multiple processes, and that would arbitrarily mix output | |
f91072d5 | 1282 | # of all processes. |
57f93db1 DM |
1283 | sub open_access_log { |
1284 | my ($self, $filename) = @_; | |
1285 | ||
1286 | my $old_mask = umask(0137);; | |
1287 | my $logfh = IO::File->new($filename, ">>") || | |
1288 | die "unable to open log file '$filename' - $!\n"; | |
1289 | umask($old_mask); | |
1290 | ||
c2e9823c DM |
1291 | $logfh->autoflush(1); |
1292 | ||
1293 | $self->{logfh} = $logfh; | |
1294 | } | |
1295 | ||
1296 | sub write_log { | |
1297 | my ($self, $data) = @_; | |
1298 | ||
1299 | return if !defined($self->{logfh}) || !$data; | |
1300 | ||
1301 | my $res = $self->{logfh}->print($data); | |
1302 | ||
1303 | if (!$res) { | |
1304 | delete $self->{logfh}; | |
1305 | syslog('err', "error writing access log"); | |
1306 | $self->{end_loop} = 1; # terminate asap | |
1307 | } | |
57f93db1 DM |
1308 | } |
1309 | ||
353fef24 DM |
1310 | sub atfork_handler { |
1311 | my ($self) = @_; | |
1312 | ||
1313 | eval { | |
1314 | # something else do to ? | |
1315 | close($self->{socket}); | |
1316 | }; | |
1317 | warn $@ if $@; | |
1318 | } | |
1319 | ||
57f93db1 DM |
1320 | sub new { |
1321 | my ($this, %args) = @_; | |
1322 | ||
1323 | my $class = ref($this) || $this; | |
1324 | ||
d804d82f | 1325 | foreach my $req (qw(base_handler_class socket lockfh lockfile)) { |
57f93db1 DM |
1326 | die "misssing required argument '$req'" if !defined($args{$req}); |
1327 | } | |
1328 | ||
1329 | my $self = bless { %args }, $class; | |
1330 | ||
d804d82f DM |
1331 | PVE::REST::set_base_handler_class($self->{base_handler_class}); |
1332 | ||
f91072d5 DM |
1333 | # init inotify |
1334 | PVE::INotify::inotify_init(); | |
1335 | ||
f91072d5 | 1336 | $self->{rpcenv} = PVE::RPCEnvironment->init( |
353fef24 | 1337 | $self->{trusted_env} ? 'priv' : 'pub', atfork => sub { $self-> atfork_handler() }); |
f91072d5 | 1338 | |
57f93db1 DM |
1339 | fh_nonblocking($self->{socket}, 1); |
1340 | ||
1341 | $self->{end_loop} = 0; | |
1342 | $self->{conn_count} = 0; | |
1343 | $self->{request_count} = 0; | |
1344 | $self->{timeout} = 5 if !$self->{timeout}; | |
1345 | $self->{keep_alive} = 0 if !defined($self->{keep_alive}); | |
1346 | $self->{max_conn} = 800 if !$self->{max_conn}; | |
1347 | $self->{max_requests} = 8000 if !$self->{max_requests}; | |
1348 | ||
a908636e DM |
1349 | $self->{policy} = 'allow' if !$self->{policy}; |
1350 | ||
57f93db1 DM |
1351 | $self->{end_cond} = AnyEvent->condvar; |
1352 | ||
1353 | if ($self->{ssl}) { | |
f91072d5 | 1354 | $self->{tls_ctx} = AnyEvent::TLS->new(%{$self->{ssl}}); |
943776b0 | 1355 | Net::SSLeay::CTX_set_options($self->{tls_ctx}->{ctx}, &Net::SSLeay::OP_NO_COMPRESSION); |
57f93db1 DM |
1356 | } |
1357 | ||
33afb29b DM |
1358 | if ($self->{spiceproxy}) { |
1359 | $known_methods = { CONNECT => 1 }; | |
1360 | } | |
1361 | ||
57f93db1 | 1362 | $self->open_access_log($self->{logfile}) if $self->{logfile}; |
f91072d5 | 1363 | |
02667982 DM |
1364 | $self->{max_conn_soft_limit} = $self->{max_conn} > 100 ? $self->{max_conn} - 20 : $self->{max_conn}; |
1365 | ||
57f93db1 DM |
1366 | $self->{socket_watch} = AnyEvent->io(fh => $self->{socket}, poll => 'r', cb => sub { |
1367 | eval { | |
1368 | if ($self->{conn_count} >= $self->{max_conn}) { | |
1369 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1370 | if ($self->{conn_count} < $self->{max_conn}) { | |
1371 | undef $w; | |
1372 | $self->accept_connections(); | |
1373 | } | |
1374 | }); | |
1375 | } else { | |
1376 | $self->accept_connections(); | |
f91072d5 | 1377 | } |
57f93db1 DM |
1378 | }; |
1379 | warn $@ if $@; | |
1380 | }); | |
1381 | ||
1382 | $self->{term_watch} = AnyEvent->signal(signal => "TERM", cb => sub { | |
1383 | undef $self->{term_watch}; | |
1384 | $self->wait_end_loop(); | |
1385 | }); | |
1386 | ||
f91072d5 | 1387 | $self->{quit_watch} = AnyEvent->signal(signal => "QUIT", cb => sub { |
57f93db1 DM |
1388 | undef $self->{quit_watch}; |
1389 | $self->wait_end_loop(); | |
1390 | }); | |
1391 | ||
f91072d5 DM |
1392 | $self->{inotify_poll} = AnyEvent->timer(after => 5, interval => 5, cb => sub { |
1393 | PVE::INotify::poll(); # read inotify events | |
1394 | }); | |
1395 | ||
57f93db1 DM |
1396 | return $self; |
1397 | } | |
1398 | ||
1399 | sub run { | |
1400 | my ($self) = @_; | |
1401 | ||
1402 | $self->{end_cond}->recv; | |
1403 | } | |
1404 | ||
1405 | 1; |