add sh/dx origin and ip and regexes

[spider.git] / perl / Filter.pm

diff --git a/perl/Filter.pm b/perl/Filter.pm
index bcf081e6b860b85c6694af54e2ed3d2e36e605a9..6b5cad94e5b682ed504d1f03e9568a90751c62fb 100644 (file)
--- a/perl/Filter.pm
+++ b/perl/Filter.pm
@@ -373,7 +373,7 @@ sub parse
        my $user;
        
        # check the line for non legal characters
-       return ('ill', $dxchan->msg('e19')) if $line =~ /[^\s\w,_\-\*\/\(\)!]/;
+       return ('ill', $dxchan->msg('e19')) if $line !~ /{.*}/ && $line =~ /[^\s\w,_\-\*\/\(\)!]/;
        
        # add some spaces for ease of parsing
        $line =~ s/([\(\)])/ $1 /g;
@@ -473,18 +473,23 @@ sub parse
                                                        }
                                                        @val = @nval;
                                                }
-                                               if ($fref->[1] eq 'a') {
+                                               if ($fref->[1] eq 'a' || $fref->[1] eq 't') {
                                                        my @t;
                                                        for (@val) {
-                                                               s/\*//g;
-                                                               push @t, "\$r->[$fref->[2]]=~/$_/i";
+                                                               s/\*//g;        # remove any trailing *
+                                                               if (/^\{.*\}$/) { # we have a regex 
+                                                                       s/^\{//;
+                                                                   s/\}$//;
+                                                                       return  ('regex', $dxchan->msg('e38', $_)) unless (qr{$_})
+                                                               }
+                                                               push @t, "\$r->[$fref->[2]]=~m{$_}i";
                                                        }
                                                        $s .= "(" . join(' || ', @t) . ")";
                                                } elsif ($fref->[1] eq 'c') {
                                                        my @t;
                                                        for (@val) {
                                                                s/\*//g;
-                                                               push @t, "\$r->[$fref->[2]]=~/^\U$_/";
+                                                               push @t, "\$r->[$fref->[2]]=~m{^\U$_}";
                                                        }
                                                        $s .= "(" . join(' || ', @t) . ")";
                                                } elsif ($fref->[1] eq 'n') {
@@ -511,13 +516,6 @@ sub parse
                                                                push @t, "(\$r->[$fref->[2]]>=$1 && \$r->[$fref->[2]]<=$2)";
                                                        }
                                                        $s .= "(" . join(' || ', @t) . ")";
-                                               } elsif ($fref->[1] eq 't') {
-                                                       my @t;
-                                                       for (@val) {
-                                                               s/\*//g;
-                                                               push @t, "\$r->[$fref->[2]]=~/$_/i";
-                                                       }
-                                                       $s .= "(" . join(' || ', @t) . ")";
                                                } else {
                                                        confess("invalid filter function $fref->[1]");
                                                }
@@ -597,8 +595,11 @@ use vars qw(@ISA);
 # to 'Filter::it' 
 #
 # The fieldsort is the type of field that we are dealing with which 
-# currently can be 'a', 'n', 'r' or 'd'. 'a' is alphanumeric, 'n' is 
-# numeric, 'r' is ranges of pairs of numeric values and 'd' is default.
+# currently can be 'a', 'n', 'r' or 'd'.
+#    'a' is alphanumeric
+#    'n' is# numeric
+#    'r' is ranges of pairs of numeric values
+#    'd' is default (effectively, don't filter)
 #
 # Filter::it basically goes thru the list of comparisons from top to
 # bottom and when one matches it will return the action and the action data as a list. 
@@ -637,9 +638,9 @@ sub it
                                return ($action, $actiondata)  if $val >= $range[$i] && $val <= $range[$i+1];
                        }
                } elsif ($fieldsort eq 'a') {
-                       return ($action, $actiondata)  if $_[$field] =~ m{$comp};
+                       return ($action, $actiondata)  if $_[$field] =~ m{$comp}i;
                } else {
-                       return ($action, $actiondata);      # the default action
+                       return ($action, $actiondata);      # the default action (just pass through)
                }
        }
 }