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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.14 by root, Sun Aug 12 14:09:03 2001 UTC vs.
Revision 1.29 by root, Sat Aug 25 15:14:03 2001 UTC

9# at least on my machine, this thingy serves files 9# at least on my machine, this thingy serves files
10# quite a bit faster than apache, ;) 10# quite a bit faster than apache, ;)
11# and quite a bit slower than thttpd :( 11# and quite a bit slower than thttpd :(
12 12
13$SIG{PIPE} = 'IGNORE'; 13$SIG{PIPE} = 'IGNORE';
14 14
15our $accesslog;
16
17if ($ACCESS_LOG) {
18 use IO::Handle;
19 open $accesslog, ">>$ACCESS_LOG"
20 or die "$ACCESS_LOG: $!";
21 $accesslog->autoflush(1);
22}
23
15sub slog { 24sub slog {
16 my $level = shift; 25 my $level = shift;
17 my $format = shift; 26 my $format = shift;
18 printf "---: $format\n", @_; 27 printf "---: $format\n", @_;
19} 28}
70package conn; 79package conn;
71 80
72use Socket; 81use Socket;
73use HTTP::Date; 82use HTTP::Date;
74use Convert::Scalar 'weaken'; 83use Convert::Scalar 'weaken';
84use Linux::AIO;
75 85
86Linux::AIO::min_parallel $::AIO_PARALLEL;
87
88my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4;
89
90Event->io(fd => Linux::AIO::poll_fileno,
91 poll => 'r', async => 1,
92 cb => \&Linux::AIO::poll_cb);
93
76our %conn; # $conn{ip}{fh} => connobj 94our %conn; # $conn{ip}{self} => connobj
95our %uri; # $uri{ip}{uri}{self}
77our %blocked; 96our %blocked;
78our %mimetype; 97our %mimetype;
79 98
80sub read_mimetypes { 99sub read_mimetypes {
81 local *M; 100 local *M;
114sub DESTROY { 133sub DESTROY {
115 my $self = shift; 134 my $self = shift;
116 135
117 $::conns--; 136 $::conns--;
118 137
138 $self->eoconn;
119 delete $conn{$self->{remote_addr}}{$self*1}; 139 delete $conn{$self->{remote_addr}}{$self*1};
140}
141
142# end of connection
143sub eoconn {
144 my $self = shift;
120 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; 145 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
121} 146}
122 147
123sub slog { 148sub slog {
124 my $self = shift; 149 my $self = shift;
125 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 150 main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]");
126} 151}
127 152
128sub response { 153sub response {
129 my ($self, $code, $msg, $hdr, $content) = @_; 154 my ($self, $code, $msg, $hdr, $content) = @_;
130 my $res = "HTTP/1.0 $code $msg\015\012"; 155 my $res = "HTTP/1.1 $code $msg\015\012";
131 156
132 $res .= "Connection: close\015\012"; 157 $self->{h}{connection} ||= $hdr->{Connection};
158
133 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 159 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
134 160
135 while (my ($h, $v) = each %$hdr) { 161 while (my ($h, $v) = each %$hdr) {
136 $res .= "$h: $v\015\012" 162 $res .= "$h: $v\015\012"
137 } 163 }
138 $res .= "\015\012"; 164 $res .= "\015\012";
139 165
140 $res .= $content if defined $content and $self->{method} ne "HEAD"; 166 $res .= $content if defined $content and $self->{method} ne "HEAD";
141 167
142 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 168 my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";
169
170 print $accesslog $log if $accesslog;
171 print STDERR $log;
143 172
144 $self->{written} += 173 $self->{written} +=
145 print {$self->{fh}} $res; 174 print {$self->{fh}} $res;
146} 175}
147 176
152 unless (defined $content) { 181 unless (defined $content) {
153 $content = "$code $msg"; 182 $content = "$code $msg";
154 $hdr->{"Content-Type"} = "text/plain"; 183 $hdr->{"Content-Type"} = "text/plain";
155 $hdr->{"Content-Length"} = length $content; 184 $hdr->{"Content-Length"} = length $content;
156 } 185 }
186 $hdr->{"Connection"} = "close";
157 187
158 $self->response($code, $msg, $hdr, $content); 188 $self->response($code, $msg, $hdr, $content);
159 189
160 die bless {}, err::; 190 die bless {}, err::;
161} 191}
163sub err_blocked { 193sub err_blocked {
164 my $self = shift; 194 my $self = shift;
165 my $ip = $self->{remote_addr}; 195 my $ip = $self->{remote_addr};
166 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 196 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
167 197
168 Coro::Event::do_timer(after => 15); 198 Coro::Event::do_timer(after => 20*rand);
169 199
170 $self->err(401, "too many connections", 200 $self->err(401, "too many connections",
171 { 201 {
172 "Content-Type" => "text/html", 202 "Content-Type" => "text/html",
173 "Retry-After" => $::BLOCKTIME 203 "Retry-After" => $::BLOCKTIME,
204 "Warning" => "Please do NOT retry, you have been blocked",
205 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
206 "Connection" => "close",
174 }, 207 },
175 <<EOF); 208 <<EOF);
176<html><p> 209<html>
210<head>
211<title>Too many connections</title>
212</head>
213<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
214
177You have been blocked because you opened too many connections. You 215<p>You have been blocked because you opened too many connections. You
178may retry at</p> 216may retry at</p>
179 217
180 <p><blockquote>$time.</blockquote></p> 218 <p><blockquote>$time.</blockquote></p>
181 219
182<p>Until then, each new access will renew the block. You might want to have a 220<p>Until then, each new access will renew the block. You might want to have a
183look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> 221look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p>
184</html> 222
223</body></html>
185EOF 224EOF
186} 225}
187 226
188sub handle { 227sub handle {
189 my $self = shift; 228 my $self = shift;
190 my $fh = $self->{fh}; 229 my $fh = $self->{fh};
191 230
231 my $host;
232
233 $fh->timeout($::REQ_TIMEOUT);
192 #while() { 234 while() {
235 $self->{reqs}++;
236
237 # read request and parse first line
238 my $req = $fh->readline("\015\012\015\012");
239
240 unless (defined $req) {
241 if (exists $self->{version}) {
242 last;
243 } else {
244 $self->err(408, "request timeout");
245 }
246 }
247
193 $self->{h} = {}; 248 $self->{h} = {};
194 249
195 # read request and parse first line
196 $fh->timeout($::REQ_TIMEOUT);
197 my $req = $fh->readline("\015\012\015\012");
198 $fh->timeout($::RES_TIMEOUT); 250 $fh->timeout($::RES_TIMEOUT);
199
200 defined $req or
201 $self->err(408, "request timeout");
202
203 my $ip = $self->{remote_addr}; 251 my $ip = $self->{remote_addr};
204 252
205 $self->err_blocked($blocked{$ip});
206 if ($blocked{$ip}) { 253 if ($blocked{$ip}) {
207 $self->err_blocked($blocked{$ip}) 254 $self->err_blocked($blocked{$ip})
208 if $blocked{$ip} > $::NOW; 255 if $blocked{$ip} > $::NOW;
209 256
210 delete $blocked{$ip}; 257 delete $blocked{$ip};
220 ([^\040]+) \040+ 267 ([^\040]+) \040+
221 HTTP\/([0-9]+\.[0-9]+) 268 HTTP\/([0-9]+\.[0-9]+)
222 \015\012/gx 269 \015\012/gx
223 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); 270 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
224 271
225 $2 ne "1.0"
226 or $self->err(506, "http protocol version not supported");
227
228 $self->{method} = $1; 272 $self->{method} = $1;
229 $self->{uri} = $2; 273 $self->{uri} = $2;
274 $self->{version} = $3;
275
276 $3 =~ /^1\./
277 or $self->err(506, "http protocol version $3 not supported");
230 278
231 # parse headers 279 # parse headers
232 { 280 {
233 my (%hdr, $h, $v); 281 my (%hdr, $h, $v);
234 282
245 293
246 $self->{h}{$h} = substr $v, 1 294 $self->{h}{$h} = substr $v, 1
247 while ($h, $v) = each %hdr; 295 while ($h, $v) = each %hdr;
248 } 296 }
249 297
298 # find out server name and port
299 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
300 $host = $1;
301 } else {
302 $host = $self->{h}{host};
303 }
304
305 if (defined $host) {
250 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 306 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
307 } else {
308 ($self->{server_port}, $host)
309 = unpack_sockaddr_in $self->{fh}->getsockname
310 or $self->err(500, "unable to get socket name");
311 $host = inet_ntoa $host;
312 }
313
314 $self->{server_name} = $host;
315
316 # remote id should be unique per user
317 $self->{remote_id} = $self->{remote_addr};
318
319 if (exists $self->{h}{"client-ip"}) {
320 $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]";
321 } elsif (exists $self->{h}{"x-forwarded-for"}) {
322 $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]";
323 }
251 324
252 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); 325 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
253 326
327 eval {
254 $self->map_uri; 328 $self->map_uri;
255 $self->respond; 329 $self->respond;
330 };
331
332 $self->eoconn;
333
334 die if $@ && !ref $@;
335
336 last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1;
337
338 $fh->timeout($::PER_TIMEOUT);
256 #} 339 }
257} 340}
258 341
259# uri => path mapping 342# uri => path mapping
260sub map_uri { 343sub map_uri {
261 my $self = shift; 344 my $self = shift;
262 my $host = $self->{h}{host} || "default"; 345 my $host = $self->{server_name};
263 my $uri = $self->{uri}; 346 my $uri = $self->{uri};
264 347
265 # some massaging, also makes it more secure 348 # some massaging, also makes it more secure
266 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 349 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
267 $uri =~ s%//+%/%g; 350 $uri =~ s%//+%/%g;
277 $self->{path} = "$::DOCROOT/$host$uri"; 360 $self->{path} = "$::DOCROOT/$host$uri";
278 361
279 $self->access_check; 362 $self->access_check;
280} 363}
281 364
282sub server_address {
283 my $self = shift;
284 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
285 or $self->err(500, "unable to get socket name");
286 ((inet_ntoa $iaddr), $port);
287}
288
289sub server_host {
290 my $self = shift;
291 if (exists $self->{h}{host}) {
292 return $self->{h}{host};
293 } else {
294 return (($self->server_address)[0]);
295 }
296}
297
298sub server_hostport {
299 my $self = shift;
300 my ($host, $port);
301 if (exists $self->{h}{host}) {
302 ($host, $port) = ($self->{h}{host}, $self->{server_port});
303 } else {
304 ($host, $port) = $self->server_address;
305 }
306 $port = $port == 80 ? "" : ":$port";
307 $host.$port;
308}
309
310sub _cgi { 365sub _cgi {
311 my $self = shift; 366 my $self = shift;
312 my $path = shift; 367 my $path = shift;
313 my $fh; 368 my $fh;
314 369
315 # no two-way xxx supported 370 # no two-way xxx supported
316 if (0 == fork) { 371 if (0 == fork) {
317 open STDOUT, ">&".fileno($self->{fh}); 372 open STDOUT, ">&".fileno($self->{fh});
318 if (chdir $::DOCROOT) { 373 if (chdir $::DOCROOT) {
319 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 374 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
320 $ENV{HTTP_HOST} = $self->server_host; 375 $ENV{HTTP_HOST} = $self->{server_name};
321 $ENV{HTTP_PORT} = $self->{server_host}; 376 $ENV{HTTP_PORT} = $self->{server_port};
322 $ENV{SCRIPT_NAME} = $self->{name}; 377 $ENV{SCRIPT_NAME} = $self->{name};
323 exec $path; 378 exec $path;
324 } 379 }
325 Coro::State::_exit(0); 380 Coro::State::_exit(0);
326 } else { 381 } else {
382 die;
327 } 383 }
384}
385
386sub server_hostport {
387 $_[0]{server_port} == 80
388 ? $_[0]{server_name}
389 : "$_[0]{server_name}:$_[0]{server_port}";
328} 390}
329 391
330sub respond { 392sub respond {
331 my $self = shift; 393 my $self = shift;
332 my $path = $self->{path}; 394 my $path = $self->{path};
342 404
343 if (-d _ && -r _) { 405 if (-d _ && -r _) {
344 # directory 406 # directory
345 if ($path !~ /\/$/) { 407 if ($path !~ /\/$/) {
346 # create a redirect to get the trailing "/" 408 # create a redirect to get the trailing "/"
347 my $host = $self->server_hostport; 409 # we don't try to avoid the :80
348 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 410 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
349 } else { 411 } else {
350 $ims < $self->{stat}[9] 412 $ims < $self->{stat}[9]
351 or $self->err(304, "not modified"); 413 or $self->err(304, "not modified");
352 414
353 if ($self->{method} eq "GET") {
354 if (-r "$path/index.html") { 415 if (-r "$path/index.html") {
355 $self->{path} .= "/index.html"; 416 $self->{path} .= "/index.html";
356 $self->handle_file; 417 $self->handle_file;
357 } else { 418 } else {
358 $self->handle_dir; 419 $self->handle_dir;
359 }
360 } 420 }
361 } 421 }
362 } elsif (-f _ && -r _) { 422 } elsif (-f _ && -r _) {
363 -x _ and $self->err(403, "forbidden"); 423 -x _ and $self->err(403, "forbidden");
364 $self->handle_file; 424 $self->handle_file;
397 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 457 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
398 } else { 458 } else {
399 ($l, $h) = (0, $length - 1); 459 ($l, $h) = (0, $length - 1);
400 goto ignore; 460 goto ignore;
401 } 461 }
402 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 462 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
403 } 463 }
404 $hdr->{"Content-Range"} = "bytes */$length"; 464 $hdr->{"Content-Range"} = "bytes */$length";
465 $hdr->{"Content-Length"} = $length;
466 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")");
405 $self->err(416, "not satisfiable", $hdr); 467 $self->err(416, "not satisfiable", $hdr, "");
406 468
407satisfiable: 469satisfiable:
408 # check for segmented downloads 470 # check for segmented downloads
409 if ($l && $::NO_SEGMENTED) { 471 if ($l && $::NO_SEGMENTED) {
472 my $delay = 60;
410 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { 473 while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
411 Coro::Event::do_timer(after => 15); 474 if ($delay <= 0) {
412
413 $self->err(400, "segmented downloads are not allowed"); 475 $self->err(400, "segmented downloads are not allowed",
476 { "Content-Type" => "text/html", Connection => "close" }, <<EOF);
477<html>
478<head>
479<title>Segmented downloads are not allowed</title>
480</head>
481<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
482
483<p>Segmented downloads are not allowed on this server. Please refer to the
484<a href="http://www.goof.com/pcg/marc/animefaq.html#segmented_downloads">FAQ</a>.</p>
485
486</body></html>
487EOF
488 } else {
489 Coro::Event::do_timer(after => 3); $delay -= 3;
490 }
414 } 491 }
415 } 492 }
416 493
417 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 494 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
418 @code = (206, "partial content"); 495 @code = (206, "partial content");
428 $hdr->{"Content-Length"} = $length; 505 $hdr->{"Content-Length"} = $length;
429 506
430 $self->response(@code, $hdr, ""); 507 $self->response(@code, $hdr, "");
431 508
432 if ($self->{method} eq "GET") { 509 if ($self->{method} eq "GET") {
433 my ($fh, $buf); 510 my ($fh, $buf, $r);
511 my $current = $Coro::current;
434 open $fh, "<", $self->{path} 512 open $fh, "<", $self->{path}
435 or die "$self->{path}: late open failure ($!)"; 513 or die "$self->{path}: late open failure ($!)";
436 514
437 if ($l) {
438 sysseek $fh, $l, 0
439 or die "$self->{path}: cannot seek to $l ($!)";
440 }
441
442 $h -= $l - 1; 515 $h -= $l - 1;
443 516
517 if (0) {
518 if ($l) {
519 sysseek $fh, $l, 0;
520 }
521 }
522
444 while ($h > 0) { 523 while ($h > 0) {
524 if (0) {
445 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; 525 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
526 or last;
527 } else {
528 undef $buf;
529 $aio_requests->down;
530 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
531 $buf, 0, sub {
532 $r = $_[0];
533 $current->ready;
534 });
535 &Coro::schedule;
536 $aio_requests->up;
537 last unless $r;
538 }
446 my $w = $self->{fh}->syswrite($buf) 539 my $w = $self->{fh}->syswrite($buf)
447 or last; 540 or last;
448 $::written += $w; 541 $::written += $w;
449 $self->{written} += $w; 542 $self->{written} += $w;
543 $l += $r;
450 } 544 }
451 } 545 }
452 546
453 close $fh; 547 close $fh;
454} 548}

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