This file is indexed.

/usr/share/perl5/HTTP/DAV/Utils.pm is in libhttp-dav-perl 0.48-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
package HTTP::DAV::Utils;

use strict;
use vars qw($VERSION);

$VERSION = '0.11';

###########################################################################
# Borrowed from Lincoln Stein's CGI.pm
# Smart rearrangement of parameters to allow named parameter
# calling.  We do the rearangement if:
# 1. The first parameter begins with a -
# 2. The use_named_parameters() method returns true
sub rearrange {
    my($order,@param) = @_;
    return () unless @param;

    # IF the user has passed a hashref instead of a hash then flatten it out.
    if (ref($param[0]) eq 'HASH') {
        @param = %{$param[0]};
    } else {
        # If the user has specified that they will be explicitly 
        # using named_parameters (by setting &use_named_parameters(1))
        # or the first parameter starts with a -, then continue.
        # Otherwise just return the parameters as they were given to us.
        return @param
            unless (defined($param[0]) && substr($param[0],0,1) eq '-')
                || &use_named_parameters();
    }

    # map parameters into positional indices
    my ($i,%pos);
    $i = 0;
    foreach (@$order) {
        foreach (ref($_) eq 'ARRAY' ? @$_ : $_) { $pos{$_} = $i; }
        $i++;
    }

    my (@result,%leftover);
    $#result = $#$order;  # preextend
    while (@param) {
        my $key = uc(shift(@param));
        $key =~ s/^\-//;
        if (exists $pos{$key}) {
            $result[$pos{$key}] = shift(@param);
        } else {
            $leftover{$key} = shift(@param);
        }
    }

    push (@result,&make_attributes(\%leftover)) if %leftover;
    @result;
}

#### Method: use_named_parameters
# Borrowed from Lincoln Stein's CGI.pm
# Force DAV.pm to use named parameter-style method calls
# rather than positional parameters.  The same effect
# will happen automatically if the first parameter
# begins with a -.
my $named=0;
sub use_named_parameters {
    my($use_named) = shift;
    return $named unless defined ($use_named);

    # stupidity to avoid annoying warnings
    return $named = $use_named;
}

# Borrowed from Lincoln Stein's CGI.pm
sub make_attributes {
    my($attr) = @_;
    return () unless $attr && ref($attr) && ref($attr) eq 'HASH';
    my(@att);
    foreach (keys %{$attr}) {
        my($key) = $_;
        $key=~s/^\-//;     # get rid of initial - if present
        $key=~tr/a-z_/A-Z-/; # parameters are upper case, use dashes
        push(@att,defined($attr->{$_}) ? qq/$key="$attr->{$_}"/ : qq/$key/);
    }
    return @att;
}

###########################################################################
sub bad {
   my($str) = @_;
   print STDERR "Error: $str\n";
   exit;
}

sub bad_node {
   my($node,$str) = @_;
   print STDERR "XML error in " . $node->getNodeName . ": $str";
   print STDERR "\n";
   print STDERR "DUMP:\n";
   print STDERR $node->toString if $node;
   exit;
}

###########################################################################
# This method searches for any text-based data in the children of 
# the node supplied. It will croak if the node has anything other 
# than text values (such as Elements or Comments).
sub get_only_cdata {
   my($node) = @_;
   my $return_cdata = "";
   my $nodes = $node->getChildNodes();
   my $n = $nodes->getLength;
   for (my $i = 0; $i < $n; $i++) {
      my $node = $nodes->item($i);   
      if ( $node->getNodeTypeName eq "TEXT_NODE" ) {
         $return_cdata .= $node->getNodeValue;
      } else {
         #bad_node($node, "node has non TEXT children");
      }
   }

   return $return_cdata;
}


# This is a sibling to the XML::DOM's getElementsByTagName().
# The main difference here is that it ignores the namespace 
# component of the element. This was done because it 
# Takes a node and returns a list of nodes.
# Note that the real getElementsByTagName allows you to 
# specify recurse or not. This routine doesn't allow recurse.
sub get_elements_by_tag_name {
   my ($node, $elemname ) = @_;

   return unless $node;

   my @return_nodes;

   # This is gruesome. Because we don't yet support namespaces, it 
   # just lops off the first half of the Element name
   $elemname =~ s/.*?:(.*)$/$1/g;

   my $nodelist = $node->getChildNodes();
   my $length = $nodelist->getLength();
   for ( my $i=0; $i < $length; $i++ ) {
      my $node = $nodelist->item($i);
      # Debian change?
      if ( $node->getNodeName() =~ /(?:^|:)$elemname$/ ) {
         push(@return_nodes,$node);
      }
   }

   return @return_nodes;
}

sub get_only_element {
   my($node,$elemname) = @_;

   return unless $node;

   # Find the one child element of a specific name
   if ( $elemname ) {

      # This is gruesome. Because we don't yet support namespaces, it 
      # just lops off the first half of the Element name.
      $elemname =~ s/.*?:(.*)$/$1/g;

      #my $nodes = $node->getElementsByTagName($elemname,0);
      my $nodelist = $node->getChildNodes();
      my $length = $nodelist->getLength();
      for ( my $i=0; $i < $length; $i++ ) {
         my $node = $nodelist->item($i);
         return $node if $node->getNodeName() =~ /$elemname/;
      }

#      if ( $nodes->getLength > 1 ) {
#         bad_node($node, "Too many \"$elemname\" in node"); 
#      } elsif ( $nodes->getLength < 1 ) {
#         return;
#         #bad_node($node, "No node found matching \"$elemname\" in node");
#      }
#      return $nodes->item(0);

   # Just get the first child element. 
   } else {
      my $nodelist = $node->getChildNodes();
      my $length = $nodelist->getLength();
      for ( my $i=0; $i < $length; $i++ ) {
         my $node = $nodelist->item($i);
         if ($node->getNodeTypeName eq "ELEMENT_NODE" ) {
            return $nodelist->item($i);
         }
      }
   }
}

###########################################################################
sub XML_remove_namespace {
   #print "XML: $_[0] -> ";
   $_[0] =~ s/.*?:(.*)/$1/g;
   #$_[0] =~ s/(.*?)\s.*/$1/g;
   #print "$_[0]\n";
   return $_[0];
}

###########################################################################
sub make_uri {
    my $uri = shift;
    if (ref($uri) =~ /URI/) { 
        $uri = $uri->as_string;
    }
    # Remove double slashes from the url
    $uri = URI->new($uri);
    my $path = $uri->path;
    $path =~ s{//}{/}g;
    #print "make_uri: $uri->$path\n";
    $uri->path($path);
    #print "make_uri: $uri\n";
    return $uri;
}

sub make_trail_slash {
    my ($uri) = @_;
    $uri =~ s{/*$}{}g;
    $uri .= '/';
    return $uri;
}

sub compare_uris {
    my ($uri1,$uri2) = @_;

    for ($uri1, $uri2) {
        $_ = make_uri($_);
        s{/$}{};
        s{(%[0-9a-fA-F][0-9a-fA-F])}{lc $1}eg;
	}

    return $uri1 eq $uri2;
}

# This subroutine takes a URI and gets the last portion 
# of it: the filename.
# e.g. /dir1/dir2/file.txt => file.txt
#      /dir1/dir2/         => dir2
#      /                   => undef
sub get_leafname {
   my($url) = shift;
   my $leaf;
   ($url,$leaf) = &split_leaf($url);
   return $leaf;
}

# This subroutine takes a URI and splits the leaf from the path.
# It returns both.
# of it: the filename.
# e.g. /dir1/dir2/file.txt => file.txt
#      /dir1/dir2/         => dir2
#      /                   => undef
sub split_leaf {
   my($url) = shift;
   $url =~ s#[\/\\]$##; #Remove trailing slashes.
   $url = HTTP::DAV::Utils::make_uri($url);

   # Remove the leaf from the path.
   my $path = $url->path_query();
   my @path = split(/[\/\\]+/,$path);
   my $leaf = pop @path || "";
   $path = join('/',@path);

   #Now put the path back into the URL.
   $url->path_query($path);

   return ($url,$leaf);
}

# Turns a file-oriented glob
# into a regular expression.
# BTW, I recommend you eval any regex command you use on 
# this outputted  regex value.
# If somebody types uses an incorrect glob and you try to /$regex/ it 
# then perl will bomb with a fatal regex error.
# For instance, /file[ab.txt/ would bomb.
sub glob2regex {
   my($f) = @_;
   # Turn the leafname glob into a regex.
   # Substitute \ for \\
   # Substitute . for \.
   # Substitute * for .*
   # Substitute ? for .
   # No need to substitute [...]
   $f =~ s/\\/\\\\/g;
   $f =~ s/\./\\./g;
   $f =~ s/\*/.*/g;
   $f =~ s/\?/./g;
   print "Glob regex becomes $f\n" if $HTTP::DAV::DEBUG>1;
   return $f;
}

1;