45 lines
1.0 KiB
Plaintext
45 lines
1.0 KiB
Plaintext
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#!/usr/bin/perl -w
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sub register {
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my $self = shift;
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$self->register_hook('data_post', 'check_for_hi_virus');
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}
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sub check_for_hi_virus {
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my ($self, $transaction) = @_;
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# make sure we read from the beginning;
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$transaction->body_resetpos;
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my $line_number = 0;
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my $seen_file = 0;
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my $ct_filename = '';
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my $cd_filename = '';
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while ($_ = $transaction->body_getline) {
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last if $line_number++ > 40;
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if (/^Content-Type: (.*)/) {
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my $val = $1;
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if ($val =~ /name="(.*)"/) {
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$seen_file = 1;
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$ct_filename = $1;
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}
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}
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if (/^Content-Disposition: (.*)/) {
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my $val = $1;
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if ($val =~ /filename="(.*)"/) {
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$seen_file = 1;
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$cd_filename = $1;
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}
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}
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}
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if ($seen_file and $ct_filename and $cd_filename) {
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if ($ct_filename ne $cd_filename) {
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return (DENY, "Probably the 'Hi' virus");
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}
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}
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return DECLINED;
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}
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