version 1.1, 2006/03/11 16:28:03
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version 1.5, 2006/06/13 14:57:54
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Line 31 package Apache::lonmaxima;
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Line 31 package Apache::lonmaxima;
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use strict; |
use strict; |
use IO::Socket; |
use IO::Socket; |
use Apache::lonnet; |
use Apache::lonnet; |
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use LONCAPA; |
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sub connect { |
sub connect { |
return IO::Socket::UNIX->new(Peer => $Apache::lonnet::perlvar{'lonSockDir'}.'/maximasock', |
return IO::Socket::UNIX->new(Peer => $Apache::lonnet::perlvar{'lonSockDir'}.'/maximasock', |
Line 46 sub disconnect {
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Line 47 sub disconnect {
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sub maximareply { |
sub maximareply { |
my ($socket,$cmd)=@_; |
my ($socket,$cmd)=@_; |
if ($socket) { |
if ($socket) { |
print $socket &Apache::lonnet::escape($cmd)."\n"; |
print $socket &escape($cmd)."\n"; |
my $reply=<$socket>; |
my $reply=<$socket>; |
chomp($reply); |
chomp($reply); |
if ($reply=~/^Incorrect/) { $reply='Error: '.$reply; } |
if ($reply=~/^Incorrect/) { $reply='Error: '.$reply; } |
return &Apache::lonnet::unescape($reply); |
return &unescape($reply); |
} else { |
} else { |
return 'Error: no connection.'; |
return 'Error: no connection.'; |
} |
} |
Line 59 sub maximareply {
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Line 60 sub maximareply {
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sub blacklisted { |
sub blacklisted { |
my ($cmd)=@_; |
my ($cmd)=@_; |
foreach my $forbidden ('save','load','plot','lisp','includ','compil','file','batch','stringout','translat','stout','stin','block','system') { |
foreach my $forbidden ('save','load','plot','lisp','includ','compil','file','batch','stringout','translat','stout','stin','block','system') { |
if ($cmd=~/$forbidden/) { return 1; } |
if ($cmd=~/$forbidden/s) { return 1; } |
} |
} |
return 0; |
return 0; |
} |
} |
Line 73 sub compareterms {
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Line 74 sub compareterms {
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if ($reply=~/^Error\:/) { return $reply; } |
if ($reply=~/^Error\:/) { return $reply; } |
return 'false'; |
return 'false'; |
} |
} |
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sub maxima_check { |
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my ($response,$answer,$reterror) = @_; |
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my $socket=&connect(); |
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my $reply=&compareterms($socket,$response,$answer); |
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&disconnect($socket); |
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if ($reply eq 'true') { return 1; } |
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return 7; |
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} |
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1; |
1; |
__END__; |
__END__; |