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/cvs/cvsroot/Coro/myhttpd/httpd.pl
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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.16 by root, Tue Aug 14 19:38:25 2001 UTC vs.
Revision 1.30 by root, Sun Aug 26 14:55:46 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}
… …
74use Convert::Scalar 'weaken'; 83use Convert::Scalar 'weaken';
75use Linux::AIO; 84use Linux::AIO;
76 85
77Linux::AIO::min_parallel $::AIO_PARALLEL; 86Linux::AIO::min_parallel $::AIO_PARALLEL;
78 87
88my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4;
89
79Event->io(fd => Linux::AIO::poll_fileno, 90Event->io(fd => Linux::AIO::poll_fileno,
80 poll => 'r', 91 poll => 'r', async => 1,
81 async => 1,
82 cb => \&Linux::AIO::poll_cb ); 92 cb => \&Linux::AIO::poll_cb);
83 93
84Event->add_hooks(prepare => sub {
85 &Coro::cede while &Coro::nready;
86 1e6;
87});
88
89our %conn; # $conn{ip}{fh} => connobj 94our %conn; # $conn{ip}{self} => connobj
95our %uri; # $uri{ip}{uri}{self}
90our %blocked; 96our %blocked;
91our %mimetype; 97our %mimetype;
92 98
93sub read_mimetypes { 99sub read_mimetypes {
94 local *M; 100 local *M;
… …
127sub DESTROY { 133sub DESTROY {
128 my $self = shift; 134 my $self = shift;
129 135
130 $::conns--; 136 $::conns--;
131 137
138 $self->eoconn;
132 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;
133 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; 145 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
134} 146}
135 147
136sub slog { 148sub slog {
137 my $self = shift; 149 my $self = shift;
138 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 150 main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]");
139} 151}
140 152
141sub response { 153sub response {
142 my ($self, $code, $msg, $hdr, $content) = @_; 154 my ($self, $code, $msg, $hdr, $content) = @_;
143 my $res = "HTTP/1.0 $code $msg\015\012"; 155 my $res = "HTTP/1.1 $code $msg\015\012";
144 156
145 $res .= "Connection: close\015\012"; 157 $self->{h}{connection} ||= $hdr->{Connection};
158
146 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 159 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
147 160
148 while (my ($h, $v) = each %$hdr) { 161 while (my ($h, $v) = each %$hdr) {
149 $res .= "$h: $v\015\012" 162 $res .= "$h: $v\015\012"
150 } 163 }
151 $res .= "\015\012"; 164 $res .= "\015\012";
152 165
153 $res .= $content if defined $content and $self->{method} ne "HEAD"; 166 $res .= $content if defined $content and $self->{method} ne "HEAD";
154 167
155 print STDERR "$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;
156 172
157 $self->{written} += 173 $self->{written} +=
158 print {$self->{fh}} $res; 174 print {$self->{fh}} $res;
159} 175}
160 176
… …
165 unless (defined $content) { 181 unless (defined $content) {
166 $content = "$code $msg"; 182 $content = "$code $msg";
167 $hdr->{"Content-Type"} = "text/plain"; 183 $hdr->{"Content-Type"} = "text/plain";
168 $hdr->{"Content-Length"} = length $content; 184 $hdr->{"Content-Length"} = length $content;
169 } 185 }
186 $hdr->{"Connection"} = "close";
170 187
171 $self->response($code, $msg, $hdr, $content); 188 $self->response($code, $msg, $hdr, $content);
172 189
173 die bless {}, err::; 190 die bless {}, err::;
174} 191}
175 192
176sub err_blocked {
177 my $self = shift;
178 my $ip = $self->{remote_addr};
179 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
180
181 Coro::Event::do_timer(after => 15);
182
183 $self->err(401, "too many connections",
184 {
185 "Content-Type" => "text/html",
186 "Retry-After" => $::BLOCKTIME
187 },
188 <<EOF);
189<html><p>
190You have been blocked because you opened too many connections. You
191may retry at</p>
192
193 <p><blockquote>$time.</blockquote></p>
194
195<p>Until then, each new access will renew the block. You might want to have a
196look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
197</html>
198EOF
199}
200
201sub handle { 193sub handle {
202 my $self = shift; 194 my $self = shift;
203 my $fh = $self->{fh}; 195 my $fh = $self->{fh};
204 196
197 my $host;
198
199 $fh->timeout($::REQ_TIMEOUT);
205 #while() { 200 while() {
201 $self->{reqs}++;
202
203 # read request and parse first line
204 my $req = $fh->readline("\015\012\015\012");
205
206 unless (defined $req) {
207 if (exists $self->{version}) {
208 last;
209 } else {
210 $self->err(408, "request timeout");
211 }
212 }
213
206 $self->{h} = {}; 214 $self->{h} = {};
207 215
208 # read request and parse first line
209 $fh->timeout($::REQ_TIMEOUT);
210 my $req = $fh->readline("\015\012\015\012");
211 $fh->timeout($::RES_TIMEOUT); 216 $fh->timeout($::RES_TIMEOUT);
212
213 defined $req or
214 $self->err(408, "request timeout");
215
216 my $ip = $self->{remote_addr}; 217 my $ip = $self->{remote_addr};
217 218
218 if ($blocked{$ip}) { 219 if ($blocked{$ip}) {
219 $self->err_blocked($blocked{$ip}) 220 $self->err_blocked($blocked{$ip})
220 if $blocked{$ip} > $::NOW; 221 if $blocked{$ip} > $::NOW;
… …
232 ([^\040]+) \040+ 233 ([^\040]+) \040+
233 HTTP\/([0-9]+\.[0-9]+) 234 HTTP\/([0-9]+\.[0-9]+)
234 \015\012/gx 235 \015\012/gx
235 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); 236 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
236 237
237 $2 ne "1.0"
238 or $self->err(506, "http protocol version not supported");
239
240 $self->{method} = $1; 238 $self->{method} = $1;
241 $self->{uri} = $2; 239 $self->{uri} = $2;
240 $self->{version} = $3;
241
242 $3 =~ /^1\./
243 or $self->err(506, "http protocol version $3 not supported");
242 244
243 # parse headers 245 # parse headers
244 { 246 {
245 my (%hdr, $h, $v); 247 my (%hdr, $h, $v);
246 248
… …
257 259
258 $self->{h}{$h} = substr $v, 1 260 $self->{h}{$h} = substr $v, 1
259 while ($h, $v) = each %hdr; 261 while ($h, $v) = each %hdr;
260 } 262 }
261 263
264 # find out server name and port
265 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
266 $host = $1;
267 } else {
268 $host = $self->{h}{host};
269 }
270
271 if (defined $host) {
262 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 272 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
273 } else {
274 ($self->{server_port}, $host)
275 = unpack_sockaddr_in $self->{fh}->getsockname
276 or $self->err(500, "unable to get socket name");
277 $host = inet_ntoa $host;
278 }
279
280 $self->{server_name} = $host;
281
282 # remote id should be unique per user
283 $self->{remote_id} = $self->{remote_addr};
284
285 if (exists $self->{h}{"client-ip"}) {
286 $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]";
287 } elsif (exists $self->{h}{"x-forwarded-for"}) {
288 $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]";
289 }
263 290
264 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); 291 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
265 292
293 eval {
266 $self->map_uri; 294 $self->map_uri;
267 $self->respond; 295 $self->respond;
296 };
297
298 $self->eoconn;
299
300 die if $@ && !ref $@;
301
302 last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1;
303
304 $fh->timeout($::PER_TIMEOUT);
268 #} 305 }
269} 306}
270 307
271# uri => path mapping 308# uri => path mapping
272sub map_uri { 309sub map_uri {
273 my $self = shift; 310 my $self = shift;
274 my $host = $self->{h}{host} || "default"; 311 my $host = $self->{server_name};
275 my $uri = $self->{uri}; 312 my $uri = $self->{uri};
276 313
277 # some massaging, also makes it more secure 314 # some massaging, also makes it more secure
278 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 315 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
279 $uri =~ s%//+%/%g; 316 $uri =~ s%//+%/%g;
… …
289 $self->{path} = "$::DOCROOT/$host$uri"; 326 $self->{path} = "$::DOCROOT/$host$uri";
290 327
291 $self->access_check; 328 $self->access_check;
292} 329}
293 330
294sub server_address {
295 my $self = shift;
296 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
297 or $self->err(500, "unable to get socket name");
298 ((inet_ntoa $iaddr), $port);
299}
300
301sub server_host {
302 my $self = shift;
303 if (exists $self->{h}{host}) {
304 return $self->{h}{host};
305 } else {
306 return (($self->server_address)[0]);
307 }
308}
309
310sub server_hostport {
311 my $self = shift;
312 my ($host, $port);
313 if (exists $self->{h}{host}) {
314 ($host, $port) = ($self->{h}{host}, $self->{server_port});
315 } else {
316 ($host, $port) = $self->server_address;
317 }
318 $port = $port == 80 ? "" : ":$port";
319 $host.$port;
320}
321
322sub _cgi { 331sub _cgi {
323 my $self = shift; 332 my $self = shift;
324 my $path = shift; 333 my $path = shift;
325 my $fh; 334 my $fh;
326 335
327 # no two-way xxx supported 336 # no two-way xxx supported
328 if (0 == fork) { 337 if (0 == fork) {
329 open STDOUT, ">&".fileno($self->{fh}); 338 open STDOUT, ">&".fileno($self->{fh});
330 if (chdir $::DOCROOT) { 339 if (chdir $::DOCROOT) {
331 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 340 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
332 $ENV{HTTP_HOST} = $self->server_host; 341 $ENV{HTTP_HOST} = $self->{server_name};
333 $ENV{HTTP_PORT} = $self->{server_host}; 342 $ENV{HTTP_PORT} = $self->{server_port};
334 $ENV{SCRIPT_NAME} = $self->{name}; 343 $ENV{SCRIPT_NAME} = $self->{name};
335 exec $path; 344 exec $path;
336 } 345 }
337 Coro::State::_exit(0); 346 Coro::State::_exit(0);
338 } else { 347 } else {
348 die;
339 } 349 }
350}
351
352sub server_hostport {
353 $_[0]{server_port} == 80
354 ? $_[0]{server_name}
355 : "$_[0]{server_name}:$_[0]{server_port}";
340} 356}
341 357
342sub respond { 358sub respond {
343 my $self = shift; 359 my $self = shift;
344 my $path = $self->{path}; 360 my $path = $self->{path};
… …
354 370
355 if (-d _ && -r _) { 371 if (-d _ && -r _) {
356 # directory 372 # directory
357 if ($path !~ /\/$/) { 373 if ($path !~ /\/$/) {
358 # create a redirect to get the trailing "/" 374 # create a redirect to get the trailing "/"
359 my $host = $self->server_hostport; 375 # we don't try to avoid the :80
360 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 376 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
361 } else { 377 } else {
362 $ims < $self->{stat}[9] 378 $ims < $self->{stat}[9]
363 or $self->err(304, "not modified"); 379 or $self->err(304, "not modified");
364 380
365 if ($self->{method} eq "GET") {
366 if (-r "$path/index.html") { 381 if (-r "$path/index.html") {
367 $self->{path} .= "/index.html"; 382 $self->{path} .= "/index.html";
368 $self->handle_file; 383 $self->handle_file;
369 } else { 384 } else {
370 $self->handle_dir; 385 $self->handle_dir;
371 }
372 } 386 }
373 } 387 }
374 } elsif (-f _ && -r _) { 388 } elsif (-f _ && -r _) {
375 -x _ and $self->err(403, "forbidden"); 389 -x _ and $self->err(403, "forbidden");
376 $self->handle_file; 390 $self->handle_file;
… …
409 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 423 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
410 } else { 424 } else {
411 ($l, $h) = (0, $length - 1); 425 ($l, $h) = (0, $length - 1);
412 goto ignore; 426 goto ignore;
413 } 427 }
414 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 428 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
415 } 429 }
416 $hdr->{"Content-Range"} = "bytes */$length"; 430 $hdr->{"Content-Range"} = "bytes */$length";
431 $hdr->{"Content-Length"} = $length;
432 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")");
417 $self->err(416, "not satisfiable", $hdr); 433 $self->err(416, "not satisfiable", $hdr, "");
418 434
419satisfiable: 435satisfiable:
420 # check for segmented downloads 436 # check for segmented downloads
421 if ($l && $::NO_SEGMENTED) { 437 if ($l && $::NO_SEGMENTED) {
438 my $delay = 180;
422 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { 439 while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
440 if ($delay <= 0) {
441 $self->err_segmented_download;
442 } else {
423 Coro::Event::do_timer(after => 15); 443 Coro::Event::do_timer(after => 3); $delay -= 3;
424 444 }
425 $self->err(400, "segmented downloads are not allowed");
426 } 445 }
427 } 446 }
428 447
429 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 448 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
430 @code = (206, "partial content"); 449 @code = (206, "partial content");
… …
447 open $fh, "<", $self->{path} 466 open $fh, "<", $self->{path}
448 or die "$self->{path}: late open failure ($!)"; 467 or die "$self->{path}: late open failure ($!)";
449 468
450 $h -= $l - 1; 469 $h -= $l - 1;
451 470
471 if (0) {
472 if ($l) {
473 sysseek $fh, $l, 0;
474 }
475 }
476
452 while ($h > 0) { 477 while ($h > 0) {
478 if (0) {
479 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
480 or last;
481 } else {
482 undef $buf;
483 $aio_requests->down;
453 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), 484 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
454 $buf, 0, sub { 485 $buf, 0, sub {
455 $r = $_[0]; 486 $r = $_[0];
456 $current->ready; 487 $current->ready;
457 }); 488 });
458 &Coro::schedule; 489 &Coro::schedule;
490 $aio_requests->up;
459 last unless $r; 491 last unless $r;
492 }
460 my $w = $self->{fh}->syswrite($buf) 493 my $w = $self->{fh}->syswrite($buf)
461 or last; 494 or last;
462 $::written += $w; 495 $::written += $w;
463 $self->{written} += $w; 496 $self->{written} += $w;
464 $l += $r; 497 $l += $r;

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