version 1.81, 2001/05/30 15:27:13
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version 1.82, 2001/05/30 17:42:15
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Line 172 sub xmlparse {
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Line 172 sub xmlparse {
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my $safeeval = new Safe; |
my $safeeval = new Safe; |
my $safehole = new Safe::Hole; |
my $safehole = new Safe::Hole; |
$safeeval->permit("entereval"); |
&init_safespace($target,$safeeval,$safehole,$safeinit); |
$safeeval->permit(":base_math"); |
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$safeeval->permit("sort"); |
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$safeeval->deny(":base_io"); |
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$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
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$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin'); |
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$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos'); |
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$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan'); |
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$safehole->wrap(\&Math::Cephes::sinh,$safeeval,'&sinh'); |
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$safehole->wrap(\&Math::Cephes::cosh,$safeeval,'&cosh'); |
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$safehole->wrap(\&Math::Cephes::tanh,$safeeval,'&tanh'); |
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$safehole->wrap(\&Math::Cephes::asinh,$safeeval,'&asinh'); |
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$safehole->wrap(\&Math::Cephes::acosh,$safeeval,'&acosh'); |
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$safehole->wrap(\&Math::Cephes::atanh,$safeeval,'&atanh'); |
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$safehole->wrap(\&Math::Cephes::erf,$safeeval,'&erf'); |
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$safehole->wrap(\&Math::Cephes::erfc,$safeeval,'&erfc'); |
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$safehole->wrap(\&Math::Cephes::j0,$safeeval,'&j0'); |
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$safehole->wrap(\&Math::Cephes::j1,$safeeval,'&j1'); |
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$safehole->wrap(\&Math::Cephes::jn,$safeeval,'&jn'); |
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$safehole->wrap(\&Math::Cephes::jv,$safeeval,'&jv'); |
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$safehole->wrap(\&Math::Cephes::y0,$safeeval,'&y0'); |
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$safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1'); |
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$safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn'); |
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$safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv'); |
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#need to inspect this class of ops |
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# $safeeval->deny(":base_orig"); |
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$safeinit .= ';$external::target='.$target.';'; |
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$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
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&Apache::run::run($safeinit,$safeeval); |
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#-------------------- Redefinition of the target in the case of compound target |
#-------------------- Redefinition of the target in the case of compound target |
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($target, my @tenta) = split('&&',$target); |
($target, my @tenta) = split('&&',$target); |
Line 418 sub callsub {
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Line 388 sub callsub {
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return $currentstring; |
return $currentstring; |
} |
} |
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sub init_safespace { |
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my ($target,$safeeval,$safehole,$safeinit) = @_; |
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$safeeval->permit("entereval"); |
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$safeeval->permit(":base_math"); |
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$safeeval->permit("sort"); |
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$safeeval->deny(":base_io"); |
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$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
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$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin'); |
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$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos'); |
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$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan'); |
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$safehole->wrap(\&Math::Cephes::sinh,$safeeval,'&sinh'); |
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$safehole->wrap(\&Math::Cephes::cosh,$safeeval,'&cosh'); |
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$safehole->wrap(\&Math::Cephes::tanh,$safeeval,'&tanh'); |
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$safehole->wrap(\&Math::Cephes::asinh,$safeeval,'&asinh'); |
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$safehole->wrap(\&Math::Cephes::acosh,$safeeval,'&acosh'); |
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$safehole->wrap(\&Math::Cephes::atanh,$safeeval,'&atanh'); |
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$safehole->wrap(\&Math::Cephes::erf,$safeeval,'&erf'); |
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$safehole->wrap(\&Math::Cephes::erfc,$safeeval,'&erfc'); |
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$safehole->wrap(\&Math::Cephes::j0,$safeeval,'&j0'); |
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$safehole->wrap(\&Math::Cephes::j1,$safeeval,'&j1'); |
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$safehole->wrap(\&Math::Cephes::jn,$safeeval,'&jn'); |
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$safehole->wrap(\&Math::Cephes::jv,$safeeval,'&jv'); |
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$safehole->wrap(\&Math::Cephes::y0,$safeeval,'&y0'); |
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$safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1'); |
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$safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn'); |
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$safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv'); |
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#need to inspect this class of ops |
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# $safeeval->deny(":base_orig"); |
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$safeinit .= ';$external::target='.$target.';'; |
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$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
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&Apache::run::run($safeinit,$safeeval); |
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} |
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sub startredirection { |
sub startredirection { |
$Apache::lonxml::redirection++; |
$Apache::lonxml::redirection++; |
push (@Apache::lonxml::outputstack, ''); |
push (@Apache::lonxml::outputstack, ''); |