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#!/usr/bin/perl |
#!/usr/bin/perl |
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use strict; |
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## NOTE: This script must not be called other than from mod_rewrite |
## NOTE: This script must not be called other than from mod_rewrite |
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use strict; |
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my $path = $ENV{QUERY_STRING}; |
my $path = $ENV{QUERY_STRING}; |
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$path =~ s#^uri=##; |
$path =~ s#^uri=##; |
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$path =~ s#,[^,]+$##; |
$path =~ s#,[^,]+$##; |
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$path =~ s/\#.*\z//s; |
$path =~ s/\#.*\z//s; |
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$path =~ s/\?.*\z//s; |
$path =~ s/\?.*\z//s; |
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$path = '/' . $path; |
$path = decode_path (canon_path ($path)); |
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$path =~ s#//+#/#g; |
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$path ||= '/'; |
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if ($path =~ /%2F/) { |
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print "Status: 404 Not Found\n"; |
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print "\n"; |
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print "Not found"; |
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exit; |
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} |
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$path =~ s/%([0-9A-Fa-f][0-9A-Fa-f])/chr hex $1/ge; |
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if ($path =~ m#/\.\.?/# or $path =~ m#/\.\.?$# or $path =~ /[^\x21-\x7E]/) { |
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## BUG: Status 404 |
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print "Location: /error/404\n"; |
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print "\n"; |
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exit; |
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} |
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my $file; |
my $file; |
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my $root = '/home/httpd/html/'; |
if ($path =~ s#^/~(hero|wakaba|fuyu)/##) { |
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if ($path =~ s#^/~(hero|wakaba)/##) { |
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$file = qq'/home/$1/public_html/' . $path; |
$file = qq'/home/$1/public_html/' . $path; |
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} else { |
} else { |
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$file = '/home/httpd/html' . $path; |
$file = '/home/httpd/html' . $path; |
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} |
} |
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} |
} |
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unless ($cvsuri) { |
err_not_found () unless $cvsuri; |
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## Bug: Status 404 |
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print "Location: /error/404\n"; |
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print "\n"; |
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exit; |
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} |
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print "Status: 301 Found\n"; |
print "Status: 301 Found\n"; |
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print "Location: http://suika.fam.cx$cvsuri\n"; |
print "Location: http://suika.fam.cx$cvsuri\n"; |
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print "\n"; |
print "\n"; |
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exit; |
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sub err_not_found { |
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print "Status: 404 Not Found\n"; |
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print "Content-Type: text/plain; charset=us-ascii\n"; |
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print "\n"; |
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print "Not found."; |
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exit; |
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} |
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sub decode_path ($) { |
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my $path = shift; |
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if ($path =~ /%2F/) { |
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err_not_found; |
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} |
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$path =~ s/%([0-9A-Fa-f][0-9A-Fa-f])/chr hex $1/ge; |
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if ($path =~ /[^\x21-\x7E]/) { |
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err_not_found; |
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} |
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$path; |
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} |
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sub canon_path ($) { |
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my $path = '/' . remove_dot_segments (shift or ''); |
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$path =~ s#//+#/#g; |
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$path; |
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} |
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sub remove_dot_segments ($) { |
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my $input = shift; |
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my @output; |
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while (length $input) { |
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if ($input =~ s#^\.\.?/##g or $input =~ s#^/\.(?:/|(?![^/]))#/#g) { |
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# |
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} elsif ($input =~ s#^/\.\.(?:/|(?![^/]))#/#) { |
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pop @output; |
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} elsif ($input eq '.' or $input eq '..') { |
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last; |
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} elsif ($input =~ s#^(/?[^/]*)##) { |
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push @output, $1; |
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} else { |
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die; |
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} |
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} |
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join '', @output; |
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} |
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