Workaround to support ruby as an interpreter
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@ -191,18 +191,32 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
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$n++;
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die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
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my $interpreter = $ARGV[$n];
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# Überhack to support Perl. Perl examines the shebang and
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# executes it unless it contains the string "perl" or "indir",
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# or (undocumented) argv[0] does not contain "perl". Exploit
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# the latter by doing "exec -a".
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my $execArgs = $interpreter =~ /perl/ ? "-a PERL" : "";
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my $execArgs = "";
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sub shellEscape {
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my $s = $_;
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$s =~ s/'/'\\''/g;
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return "'" . $s . "'";
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}
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# Überhack to support Perl. Perl examines the shebang and
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# executes it unless it contains the string "perl" or "indir",
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# or (undocumented) argv[0] does not contain "perl". Exploit
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# the latter by doing "exec -a".
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if ($interpreter =~ /perl/) {
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$execArgs = "-a PERL";
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}
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if ($interpreter =~ /ruby/) {
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# Hack for Ruby. Ruby also examines the shebang. It tries to
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# read the shebang to understand which packages to read from. Since
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# this is handled via nix-shell -p, we wrap our ruby script execution
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# in ruby -e 'load' which ignores the shebangs.
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$envCommand = "exec $execArgs $interpreter -e 'load(\"$script\")' -- ${\(join ' ', (map shellEscape, @savedArgs))}";
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} else {
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$envCommand = "exec $execArgs $interpreter $script ${\(join ' ', (map shellEscape, @savedArgs))}";
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}
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}
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elsif (substr($arg, 0, 1) eq "-") {
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push @buildArgs, $arg;
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