3 # fexsrv : web server for F*EX service
5 # Author: Ulli Horlacher <framstag@rus.uni-stuttgart.de>
11 use Fcntl qw':flock :seek';
16 $SIG{CHLD} = "DEFAULT";
18 unshift @INC,(getpwuid($<))[7].'/perl';
20 $SIG{__DIE__} = $SIG{__WARN__} = sub {
22 my $url = $ENV{REQUEST_URL}||'';
23 my @d = localtime time;
24 my $time = sprintf('%d-%02d-%02d %02d:%02d:%02d',
25 $d[5]+1900,$d[4]+1,$d[3],$d[2],$d[1],$d[0]);
27 my $mailto = "mailto:$admin?subject=fex%20bug";
28 $info = "<h3>send this error to <a href=\"$mailto\">$admin</a></h3>";
36 "<h1>INTERNAL ERROR in $0</h1>",
37 "<pre>\n$_\n</pre>\n<p>",
44 unless ($HTTP_HEADER) {
45 print "HTTP/1.0 200 ERROR\r\n";
46 print "Content-Type: text/html\r\n";
47 print "Content-Length: $length\r\n";
58 # setrlimit(RLIMIT_CPU,999,999) or die "$0: $!\n";
60 # SSL remote address provided by stunnel
61 if (@ARGV and $ARGV[0] eq 'stunnel' and $ENV{REMOTE_HOST} =~ /(.+)/) {
65 # KEEP_ALIVE <== callback from CGI
66 if ($ENV{KEEP_ALIVE}) {
67 $keep_alive = $ENV{KEEP_ALIVE};
69 %ENV = ( PERLINIT => $ENV{PERLINIT} ); # clean environment
72 $ENV{HOME} = (getpwuid($<))[7] or die "no HOME";
74 # fexsrv MUST be run with full path!
75 if ($0 =~ m:^(/.+)/bin/fexsrv:) {
79 $ENV{FEXHOME} = $FEXHOME;
85 '/usr/local/share/fex',
88 $ENV{FEXLIB} = $FEXLIB = $lib and last if -f "$lib/fex.pp";
89 $ENV{FEXLIB} = $FEXLIB = "$lib/lib" and last if -f "$lib/lib/fex.pp";
93 our ($hostname,$debug,$timeout,$max_error,$max_error_handler);
94 our ($spooldir,@logdir,$docdir,$xkeydir,$lockdir);
95 our ($force_https,$default_locale,$bs,$MB,$adlm);
98 # load common code (local config: $FEXHOME/lib/fex.ph)
99 require "$FEXLIB/fex.pp" or die "cannot load $FEXLIB/fex.pp - $!\n";
101 chdir $spooldir or http_die("$0: $spooldir - $!\n");
103 our $log = 'fexsrv.log';
104 our $error = 'F*EX ERROR';
106 our $hid = ''; # header ID
111 $ENV{GATEWAY_INTERFACE} = 'CGI/1.1f';
112 $ENV{SERVER_NAME} = $hostname;
113 $ENV{REQUEST_METHOD} = '';
114 $ENV{QUERY_STRING} = '';
115 $ENV{HTTP_COOKIE} = '';
116 $ENV{PATH_INFO} = '';
117 $ENV{RANDOM} = randstring(8);
118 $ENV{FEATURES} = join(',',qw(
119 SID CHECKRECIPIENT GROUPS QUOTA FILEID MULTIPOST XKEY FILEQUERY FILESTREAM
120 JUP NOSTORE AXEL FEXMAIL FILELINK
127 if ($ENV{HTTP_HOST} =~ /(.+):(.+)/) {
131 $hostname = $ENV{HTTP_HOST};
132 if ($ENV{PROTO} eq 'https') { $port = 443 }
135 $ra = $ENV{REMOTE_ADDR};
136 $rh = $ENV{REMOTE_HOST};
145 $ENV{PROTO} = 'https';
146 $ENV{REMOTE_ADDR} = $ra = $ssl_ra;
147 if ($ssl_ra =~ /\w:\w/) {
148 # ($rh) = `host $ssl_ra 2>/dev/null` =~ /name pointer (.+)\.$/;
149 $^W = 0; eval 'use Socket6'; $^W = 1;
150 http_error(503) if $@;
151 $iaddr = inet_pton(AF_INET6,$ssl_ra) and
152 $rh = gethostbyaddr($iaddr,AF_INET6);
154 $rh = gethostbyaddr(inet_aton($ra),AF_INET);
158 # print {$log} "X-SSL-Remote-Host: $ssl_ra\n";
163 $ENV{PROTO} = 'http';
164 my $sa = getpeername(STDIN) or die "no network stream on STDIN\n";
165 if (sockaddr_family($sa) == AF_INET) {
166 ($ENV{REMOTE_PORT},$iaddr) = sockaddr_in($sa);
167 $ENV{REMOTE_ADDR} = $ra = inet_ntoa($iaddr);
168 $rh = gethostbyaddr($iaddr,AF_INET);
169 ($port) = sockaddr_in(getsockname(STDIN));
170 } elsif (sockaddr_family($sa) == AF_INET6) {
171 $^W = 0; eval 'use Socket6'; $^W = 1;
172 http_error(503) if $@;
173 ($ENV{REMOTE_PORT},$iaddr) = unpack_sockaddr_in6($sa);
174 $ENV{REMOTE_ADDR} = $ra = inet_ntop(AF_INET6,$iaddr);
175 $rh = gethostbyaddr($iaddr,AF_INET6);
176 ($port) = unpack_sockaddr_in6(getsockname(STDIN));
178 die "unknown IP version\n";
180 $port = 80 unless $port;
183 $ENV{REMOTE_HOST} = $rh || '';
185 $ENV{HTTP_HOST} = ($port == 80 or $port == 443)
186 ? $hostname : "$hostname:$port";
191 if ($reverse_proxy_ip and $reverse_proxy_ip eq $ra) {
192 $ENV{FEATURES} =~ s/SID,//;
195 if (@anonymous_upload and ipin($ra,@anonymous_upload)) {
196 $ENV{FEATURES} .= ',ANONYMOUS';
201 $SIG{CHLD} = "DEFAULT"; # stunnel workaround
204 # printf {$log} "\nTIMEOUT %s %s\n",isodate(time),$connect;
206 debuglog('TIMEOUT',isodate(time));
207 fexlog($connect,@log,"TIMEOUT");
212 REQUEST: while (*STDIN) {
214 if (defined $ENV{REQUESTCOUNT}) { $ENV{REQUESTCOUNT}++ }
215 else { $ENV{REQUESTCOUNT} = 0 }
217 $connect = sprintf "%s:%s %s %s %s [%s_%s]",
218 $keep_alive ? 'CONTINUE' : 'CONNECT',
223 $$,$ENV{REQUESTCOUNT};
224 $hid = sprintf("%s %s\n",$rh||'-',$ra);
229 # read complete HTTP header
230 while (defined ($_ = &getaline)) {
235 # URL-encode non-printable chars
236 s/([\x00-\x08\x0E-\x1F\x7F-\x9F])/sprintf "%%%02X",ord($1)/ge;
238 if (@header and s/^\s+/ /) {
242 $header{$1} = $2 if /(.+)\s*:\s*(.+)/;
246 fexlog($connect,@log,"OVERRUN");
250 if (/^(GET \/|X-Forwarded-For|User-Agent)/i) {
255 if ($reverse_proxy_ip and $reverse_proxy_ip eq $ra and
256 /^X-Forwarded-For: ([\d.]+)/
258 $ENV{REMOTE_ADDR} = $ra = $1;
259 $ENV{REMOTE_HOST} = $rh = gethostbyaddr(inet_aton($ra),AF_INET) || '';
260 $ENV{HTTP_HOST} = $hostname;
261 if ($ENV{PROTO} eq 'https') { $port = 443 }
267 exit if $header =~ /^\s*$/;
269 $ENV{HTTP_HEADER} = $header;
271 # http_die("<pre>$header</pre>");
273 $ENV{'HTTP_HEADER_LENGTH'} = $hl;
274 $ENV{REQUEST_URI} = $uri = '';
277 # is it a HTTP-request at all?
278 $request = shift @header;
279 if ($request !~ /^(GET|HEAD|POST|OPTIONS).*HTTP\/\d\.\d$/i) {
280 fexlog($connect,$request,"DISCONNECT: no HTTP request");
281 badlog("no HTTP request: $request");
285 if ($force_https and $port != 443
286 and $request =~ /^(GET|HEAD|POST)\s+(.+)\s+(HTTP\/[\d\.]+$)/i) {
289 "HTTP/1.1 301 Moved Permanently",
290 "Location: https://$hostname$request",
294 fexlog($connect,@log);
298 $request =~ s{^(GET|HEAD|POST) https?://$hostname(:\d+)?}{$1 }i;
300 if ($request =~ m"^(GET|HEAD) /fop/\w+/") {
301 # no header inquisition on regular fop request
304 &$header_hook($connect,$request,$ra) if $header_hook;
307 unless ($keep_alive) {
308 if ($request =~ m:(HTTP/1.(\d)): and $2) {
309 $ENV{KEEP_ALIVE} = $keep_alive = $ra
311 $ENV{KEEP_ALIVE} = $keep_alive = '';
315 if ($request =~ /^OPTIONS FEX HTTP\/[\d\.]+$/i) {
316 fexlog($connect,@log);
319 "X-Features: $ENV{FEATURES}",
320 "X-Timeout: $timeout",
323 next REQUEST if $keep_alive;
327 if ($request =~ m:^GET /?SID HTTP/[\d\.]+$:i) {
328 if ($ENV{FEATURES} !~ /\bSID\b/) {
329 fexlog($connect,@log);
331 "HTTP/1.1 501 Not Available",
333 "X-Features: ".$ENV{FEATURES},
334 "X-Timeout: ".$timeout,
339 $ENV{SID} = randstring(8);
340 fexlog($connect,@log);
342 "HTTP/1.1 201 ".$ENV{SID},
344 "X-Features: ".$ENV{FEATURES},
346 "X-Timeout: ".$timeout,
351 next REQUEST if $keep_alive;
355 if ($request =~ /^(GET|HEAD|POST)\s+(.+)\s+(HTTP\/[\d\.]+$)/i) {
357 $ENV{REQUEST_METHOD} = uc($1);
358 $ENV{REQUEST_URI} = $uri = $cgi = $2;
359 $ENV{HTTP_VERSION} = $protocol = $3;
360 $ENV{QUERY_STRING} = $1 if $cgi =~ s/\?(.*)//;
361 $ENV{PATH_INFO} = $1 if $cgi =~ m:/.+?(/.+?)(\?|$):;
362 $ENV{KEEP_ALIVE} = $keep_alive = '' if $protocol =~ /1\.0/;
363 $ENV{REQUEST_URL} = "$ENV{PROTO}://$ENV{HTTP_HOST}$ENV{REQUEST_URI}";
364 if ($uri =~ /<|%3c/i) { badchar("<") }
365 if ($uri =~ />|%3e/i) { badchar(">") }
366 if ($uri =~ /\||%7c/i) { badchar("|") }
367 if ($uri =~ /\\|%5c/i) { badchar("\\") }
370 while ($_ = shift @header) {
372 # header inquisition!
373 &$header_hook($connect,$_,$ra) if $header_hook;
375 # mega stupid "Download Manager" FlashGet
376 if ($uri =~ m{^/fop/} and m{^Referer: https?://.*\Q$uri$}) {
377 fexlog($connect,@log,"NULL: FlashGet");
378 debuglog("NULL: FlashGet");
379 exec qw'cat /dev/zero' or sleep 30;
383 if ($header =~ /\nRange:/ and /^User-Agent: (FDM)/) {
384 disconnect($1,"499 Download Manager $1 Not Supported",30);
387 if (/^User-Agent: (Java\/[\d\.]+)/) {
388 disconnect($1,"499 User-Agent $1 Not Supported",30);
392 disconnect("Range a,b","416 Requested Range Not Satisfiable",30);
394 if (/^Range:.*(\d+)-(\d+)/) {
396 disconnect("Range a>b","416 Requested Range Not Satisfiable",0);
398 if (($header{'User-Agent'}||'') !~ /$adlm/ ) {
399 disconnect("Range a-b","416 Requested Range Not Satisfiable",30);
403 if (/^Range:.*\d+-$/ and $hid) {
404 my $lock = untaint($lockdir.'/'.md5_hex($hid));
405 if (open $lock,'+>>',$lock) {
406 if (flock($lock,LOCK_EX|LOCK_NB)) {
412 "multiple Range request",
413 "400 Multiple Requests Not Allowed",
420 # client signed int bug
421 if (/^Range:.*-\d+-/) {
422 disconnect("Range -a-","416 Requested Range Not Satisfiable",0);
425 # if (/^Range:/ and $protocol =~ /1\.0/) {
426 # &$header_hook($connect,$_,$ra) while ($header_hook and $_ = shift @header);
427 # fexlog($connect,@log,"DISCONNECT: Range + HTTP/1.0");
428 # debuglog("DISCONNECT: Range + HTTP/1.0");
433 if (/^Connection:\s*close/i) {
434 $ENV{KEEP_ALIVE} = $keep_alive = '';
437 # HTTP header ==> environment variables
438 if (/^([\w\-]+):\s*(.+)/s) {
441 $http_var =~ s/-/_/g;
442 $http_var = uc($http_var);
443 $http_val =~ s/^\s+//;
444 $http_val =~ s/\s+$//;
445 if ($http_var =~ /^X_(FEX_\w+|CONTENT_LENGTH)$/) {
448 $http_val =~ s/\s+/ /g;
449 if ($http_var =~ /^HTTP_(HOST|VERSION)$/) {
450 $http_var = 'X-'.$http_var;
451 } elsif ($http_var !~ /^CONTENT_/) {
452 $http_var = 'HTTP_'.$http_var;
455 $ENV{$http_var} = $http_val;
459 # multiline header inquisition
460 &$header_hook($connect,$header,$ra) if $header_hook;
464 # extra download request? (request http://fexserver//xkey)
465 if ($cgi =~ m{^//([^/]+)$}) {
468 if ($xkey =~ /^afex_\d/) {
469 $dkey = readlink "$xkeydir/$xkey" and $dkey =~ s/^\.\.\///;
471 $dkey = readlink "$xkeydir/$xkey/dkey" and $dkey .= "/$xkey";
474 # xkey downloads are only one time possible - besides afex
475 if ($xkey !~ /^afex_\d/) {
476 unlink "$xkeydir/$xkey/xkey";
477 unlink "$xkeydir/$xkey";
480 "HTTP/1.1 301 Moved Permanently",
481 "Location: $ENV{PROTO}://$ENV{HTTP_HOST}/fop/$dkey",
485 fexlog($connect,@log);
488 fexlog($connect,@log);
494 if (($ENV{QUERY_STRING} =~ /.*locale=([\w-]+)/ or
495 $ENV{HTTP_COOKIE} =~ /.*locale=([\w-]+)/)
496 and -d "$FEXHOME/locale/$1") {
497 $ENV{LOCALE} = $locale = $1;
499 $ENV{LOCALE} = $locale = $default_locale;
502 # check for name based virtual host
503 $vhost = vhost($ENV{'HTTP_HOST'});
507 foreach $var (sort keys %ENV) {
508 if (defined($ENV{$var})) {
509 debuglog(sprintf " %s = >%s<\n",$var,$ENV{$var});
515 # locale definitions in fex.ph?
518 $locale = $locales[0];
519 } elsif (not grep /^$locale$/,@locales) {
520 $locale = $default_locale;
524 # prepare document file name
525 if ($ENV{REQUEST_METHOD} =~ /^GET|HEAD$/) {
527 foreach my $r (keys %redirect) {
528 if ($uri =~ /^\Q$r/) {
534 $doc = untaint($uri);
535 $doc =~ s/%([\dA-F]{2})/unpack("a",pack("H2",$1))/ge;
536 $doc =~ m:/\.\./: and http_error(403);
539 if ($locale and $locale ne 'english' and -e "$docdir/locale/$locale/$doc") {
540 $doc = "$docdir/locale/$locale/$doc";
542 $doc = "$docdir/$doc";
546 # CGI or document request?
547 if ($cgi =~ s:^/+::) {
550 my $login = "$FEXHOME/cgi-bin/login";
552 $cgi = untaint(readlink($login) || $login);
557 $ENV{SCRIPT_NAME} = $cgi;
559 # locale CGIs? (vhost comes already with own FEXLIB)
560 if ($locale and $locale ne 'english'
561 and -f "$FEXHOME/locale/$locale/cgi-bin/$cgi") {
562 $ENV{SCRIPT_FILENAME} = $cgi = "$FEXHOME/locale/$locale/cgi-bin/$cgi";
563 $ENV{FEXLIB} = $FEXLIB = "$FEXHOME/locale/$locale/lib" unless $vhost;
565 $ENV{SCRIPT_FILENAME} = $cgi = "$FEXHOME/cgi-bin/$cgi";
566 $ENV{FEXLIB} = $FEXLIB = "$FEXHOME/lib" unless $vhost;
570 if (-x $cgi and -f $cgi) {
571 if (@forbidden_hosts and ipin($ra,@forbidden_hosts)) {
572 fexlog($connect,@log,"FORBIDDEN");
575 unlink "$spooldir/.error/$ra";
576 # push @log,"DEBUG: locale=$locale locales=(@locales)";
577 fexlog($connect,@log,"EXEC $cgi");
578 eval { local $^W = 0; exec $cgi };
579 $status = "$! or bad interpreter";
580 fexlog($connect,@log,"FAILED to exec $cgi : $status");
583 if (-f "$doc/.htindex") {
584 require "$FEXLIB/dop";
585 fexlog($connect,@log);
589 next REQUEST if $keep_alive;
592 if (-f "$doc/index.html") {
593 # force redirect if trailing / is missing
594 # this is mandatory for processing further HTTP request!
597 "HTTP/1.1 301 Moved Permanently",
598 "Location: $ENV{REQUEST_URL}/",
602 fexlog($connect,@log);
603 next REQUEST if $keep_alive;
606 $doc .= '/index.html';
609 $doc =~ s/#.*//; # ignore HTML anchors (stupid msnbot)
611 # special request for F*EX UNIX clients
612 if ($ENV{SCRIPT_NAME} eq 'xx.tar') {
613 bintar(qw'fexget fexsend xx zz ezz');
615 if ($ENV{SCRIPT_NAME} eq 'sex.tar') {
616 bintar(qw'sexsend sexget sexxx');
618 if ($ENV{SCRIPT_NAME} eq 'afex.tar') {
619 bintar(qw'afex asex fexget fexsend sexsend sexget');
621 if ($ENV{SCRIPT_NAME} eq 'afs.tar') {
622 bintar(qw'afex asex fexget fexsend xx sexsend sexget sexxx zz ezz');
624 # URL ends with ".html!" or ".html?!"
625 if ($doc =~ s/(\.html)!$/$1/ or
626 $doc =~ /\.html$/ and $ENV{'QUERY_STRING'} eq '!')
627 { $htmlsource = $doc } else { $htmlsource = '' }
630 or $doc =~ /(.+)\.(tar|tgz|zip)$/ and lstat("$1.stream")
631 or $doc =~ /(.+)\.tgz$/ and -f "$1.tar"
632 or $doc =~ /(.+)\.gz$/ and -f $1)
634 unlink "$spooldir/.error/$ra";
635 delete $ENV{SCRIPT_FILENAME};
636 $ENV{DOCUMENT_FILENAME} = $doc;
637 require "$FEXLIB/dop";
638 fexlog($connect,@log);
641 next REQUEST if $keep_alive;
643 } elsif ($uri eq '/bunny') {
644 fexlog($connect,@log);
648 "Content-Type: text/plain",
653 } elsif ($uri eq '/camel') {
654 fexlog($connect,@log);
658 "Content-Type: text/plain",
662 print unpack('u',<DATA>);
665 $status = 'not executable';
672 # neither document nor CGI ==> error
675 fexlog($connect,@log,"FAILED to exec $cgi : $status");
678 fexlog($connect,@log,"UNKNOWN URL");
686 # read one text line unbuffered from STDIN
694 # must use sysread to avoid perl line buffering
695 # (later exec would destroy line buffer)
696 while (sysread STDIN,$c,1) {
701 fexlog($connect,@log,$line,"OVERRUN");
715 foreach my $logdir (@logdir) {
716 if (open $log,'>>',"$logdir/$log") {
718 seek $log,0,SEEK_END;
719 print {$log} "\n",join("\n",@log),"\n";
722 http_die("$0: cannot write to $logdir/$log - $!\n");
731 fexlog($connect,@log,"DISCONNECT: bad characters in URL");
732 debuglog("DISCONNECT: bad characters in URL $uri");
734 http_die("\"$bc\" is not allowed in URL");
739 my $tmpdir = "$FEXHOME/tmp";
740 my $fs = "$ENV{PROTO}://$ENV{HTTP_HOST}";
742 if (chdir "$FEXHOME/bin") {
743 fexlog($connect,@log);
744 chdir $fstb if $fstb;
747 copy($f,"$tmpdir/$f","s#fexserver = ''#fexserver = '$fs'#");
748 chmod 0755,"$tmpdir/$f";
750 chdir $tmpdir or http_die("internal error: $tmpdir - $!");
751 my $tar = `tar cf - @_ 2>/dev/null`;
756 "Content-Length: ".length($tar),
757 "Content-Type: application/x-tar",
768 my $URL = $ENV{REQUEST_URL}||'';
769 my $URI = $ENV{REQUEST_URI}||'';
772 http_error_header("400 Bad Request");
773 nvt_print("Your request $URL is not acceptable.");
774 } elsif ($error eq 403) {
775 http_error_header("403 Forbidden");
776 nvt_print("You have no permission to request $URL");
777 } elsif ($error eq 404) {
778 http_error_header("404 Not Found");
779 nvt_print("The requested URI $URI was not found on this server.");
780 } elsif ($error eq 413) {
781 http_error_header("413 Payload Too Large");
782 nvt_print("Your HTTP header is too large.");
783 } elsif ($error eq 416) {
784 http_error_header("416 Requested Range Not Satisfiable");
785 } elsif ($error eq 503) {
786 http_error_header("503 Service Unavailable");
787 # nvt_print("No Perl ipv6 support on this server.");
789 http_error_header("555 Unknown Error");
790 nvt_print("The requested URL $URL produced an internal error.");
794 "<address>fexsrv at <a href=\"/index.html\">$hostname:$port</a></address>",
806 # &$header_hook($connect,$_,$ra) while ($header_hook and $_ = shift @header);
807 fexlog($connect,@log,"DISCONNECT: $info");
808 debuglog("DISCONNECT: $info");
809 errorlog("$ENV{REQUEST_URI} ==> $error");
810 badlog("$ENV{REQUEST_URI} ==> $error ($info)");
813 nvt_print("HTTP/1.0 $error");
818 sub http_error_header {
820 my $uri = $ENV{REQUEST_URI};
822 errorlog("$uri ==> $error") if $uri;
826 "Content-Type: text/html; charset=iso-8859-1",
828 '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">',
830 "<head><title>$error</title></head>",
840 my $rr = $redirect{$r};
848 "HTTP/1.1 301 Moved Permanently",
854 if ($rr =~ /^http/) {
857 $newurl = "$ENV{PROTO}://$ENV{HTTP_HOST}$rr$uri";
860 http_header("200 OK");
861 print html_header("$hostname page has moved");
863 '<h3>Please use new URL: <a href="$newurl">$newurl</a></h3>'
867 if ($rr =~ /^http/) {
878 my $ed = "$spooldir/.error";
882 foreach (@ignore_error) {
883 return if $request =~ /$_/;
887 if ($ra and $max_error and $max_error_handler) {
888 mkdir($ed) unless -d $ed;
890 if (open $ra,"+>>$ed/$ra") {
894 printf {$ra} "%s %s\n",isodate(time),$request;
896 &$max_error_handler($ra,@n) if scalar(@n) > $max_error;
903 M("`@("`@("`@("`@("`@("`@("`@("`@("`@("`@("`@("PM)R(G+5P*("`@
904 M("`@("`@("`@("`@("`@("`@("`@("]@8&`M+B`@(&!<("`@("Q=+B`@("`@
905 M("`@("`@("`@("`@("`@("`L+BY?"B`@("`@("`@("`@("`@("`@("`@("`@
906 M+&`@("`@(&`B+B`@72X@("`@(&`N("`@("`@("`@("`@("`@7U]?+BY>(&!?
907 M)V`B(B(*("`@("`@("`@("`@("`@("`@("`@("`I("`@("`@("`G+"TG+2T@
908 M+B`@("!@+B`@("`@(%]?7RPN+2<@("XN("T@("`G("TP("Y?"B`@("`@("`@
909 M("`@+"X@("`@("`@("`@?%]?+"Y?("!?("`N+5\@("!<("`\("Y@(B<G)V`L
910 M7R`@("`@("`@+2!?("TN("`@("`@("<M+BX*("`@("`@("`@('P@(&8M+2TM
911 M+2TM+2<O("`@("!@)RTM+BXL("`@("`M("`@("`@("`@("T@("`@("`@("`@
912 M("`@("`G("XL7U\N7%\N)PH@("`@("`@("`@8"TM)R<G)R<G8"TM7"`@("`@
913 M("`@("`@("!@)RTM+B`@("`@("`@("`@("`@("`@("`@7RPN)RTM)R<*("`@
914 M("`@("`@("`@("`@("`@("`@("\@("`@("`@("`@("`@("`@("!@8#T@+2`@
915 M+2`@("!?+2`@7RXM)PH@("`@("`@("`@("`@("`@("`@("!\("`@("`@("`@
916 M("`@("`@("`@("`@("!?)V`@("`G)U\M+2<*("`@("`@("`@("`@("`@("`@
917 M("`@?"`@("`@("`@("`@("`@("`@("`O("`@?"T]+BXM+2<*("`@("`@("`@
918 M("`@("`@(%\@("`@("<N("`@("`@("`N7R`@(%\N+2=@)R`@(&!?7PH@("`@
919 M("`@("`@("`@("PG("`N("PG("TL3%]?+WP@(%P@8"<G+&\N("`@+5\@("`@
920 M)V`M+2X*("`@("`@("`@("`@("`@+BPG(BT@("`O("`@("`@("`@?"`@8'8@
921 M+R`N("PG8"TM+BXG7R`G+@H@("`@("`@("`@("`@("`@("TN+E\L)R`@("`@
922 M('P@("!\("`@)RTM+E]@("!?+R`@('P@("!\"B`@("`@("`@("`@("`@("`@
923 M("`@("`@("`@("=@8"<@6R`@("`@("`@("=@)R`@("`L+RXN+PH@("`@("`@
924 M("`@("`@("`@("`@("`@("`@('P@("`M+B<@("`@("`@("`@("`@("Y;("`@
925 M+PH@("`@("`@("`@("`@("`@("`@(%]?7U]?7RX@("`L.E]?7U]?7U]?7U]?
926 M7U]?7RQ@("PG"B`@("TM+2TM+2TM+2TM+2TM+2TM+2TM+2TM+2T@+2(M+2TM
927 M+2TM+2TM+2TM+2TM+2T]+0H@+2TM+2TM+2TM+2TM+2TM+2TM+2TM+2TM+2TM
928 6+2TM+2TM+2TM+2TM+2TM+2TM+2TM"@``