This is the code ive just managed to get working - it allows a client to upload a file to the . directory on the server
In order to get this to work, I had to chmod the current working directory to 777. This isnt wise is it?. Is there a way of temporarily changing the permissions of a directory for the purpose of allowing a file to upload?, or something of that nature. In otherwords what improvements can I make to the code below in order to make it more secure. 
#!/usr/local/bin/perl
use strict;
use CGI;

my $query = new CGI;

my $dir = $query->param('dir');
my $file = $query->param('file');

$file =~m/^.*(\\|\/)(.*)/;
my $name = $2;
my $error;

#open(LOCAL,">$dir/$name") or $error = $!;

open(UP_FILE,">$name") or $error = $!;

while(<$file>)
{
  print UP_FILE $_;
}

print $query->header();
print $query->start_html("File Upload");

# DEBUG TO SCREEN

print $query->br,$error,$query->br,$file,$query->br,$name;

print $query->end_html;

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In reply to File upload and directory permissions by Baz

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