1 | # Copyright (c) 1998 Graham Barr <[email protected]>. All rights reserved.
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2 | # This program is free software; you can redistribute it and/or
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3 | # modify it under the same terms as Perl itself.
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4 |
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5 | package URI::_ldap;
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6 |
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7 | use strict;
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8 |
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9 | use vars qw($VERSION);
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10 | $VERSION = "1.12";
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11 |
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12 | use URI::Escape qw(uri_unescape);
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13 |
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14 | sub _ldap_elem {
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15 | my $self = shift;
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16 | my $elem = shift;
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17 | my $query = $self->query;
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18 | my @bits = (split(/\?/,defined($query) ? $query : ""),("")x4);
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19 | my $old = $bits[$elem];
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20 |
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21 | if (@_) {
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22 | my $new = shift;
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23 | $new =~ s/\?/%3F/g;
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24 | $bits[$elem] = $new;
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25 | $query = join("?",@bits);
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26 | $query =~ s/\?+$//;
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27 | $query = undef unless length($query);
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28 | $self->query($query);
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29 | }
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30 |
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31 | $old;
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32 | }
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33 |
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34 | sub dn {
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35 | my $old = shift->path(@_);
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36 | $old =~ s:^/::;
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37 | uri_unescape($old);
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38 | }
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39 |
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40 | sub attributes {
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41 | my $self = shift;
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42 | my $old = _ldap_elem($self,0, @_ ? join(",", map { my $tmp = $_; $tmp =~ s/,/%2C/g; $tmp } @_) : ());
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43 | return $old unless wantarray;
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44 | map { uri_unescape($_) } split(/,/,$old);
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45 | }
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46 |
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47 | sub _scope {
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48 | my $self = shift;
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49 | my $old = _ldap_elem($self,1, @_);
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50 | return unless defined wantarray && defined $old;
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51 | uri_unescape($old);
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52 | }
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53 |
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54 | sub scope {
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55 | my $old = &_scope;
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56 | $old = "base" unless length $old;
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57 | $old;
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58 | }
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59 |
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60 | sub _filter {
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61 | my $self = shift;
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62 | my $old = _ldap_elem($self,2, @_);
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63 | return unless defined wantarray && defined $old;
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64 | uri_unescape($old); # || "(objectClass=*)";
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65 | }
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66 |
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67 | sub filter {
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68 | my $old = &_filter;
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69 | $old = "(objectClass=*)" unless length $old;
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70 | $old;
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71 | }
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72 |
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73 | sub extensions {
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74 | my $self = shift;
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75 | my @ext;
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76 | while (@_) {
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77 | my $key = shift;
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78 | my $value = shift;
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79 | push(@ext, join("=", map { $_="" unless defined; s/,/%2C/g; $_ } $key, $value));
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80 | }
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81 | @ext = join(",", @ext) if @ext;
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82 | my $old = _ldap_elem($self,3, @ext);
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83 | return $old unless wantarray;
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84 | map { uri_unescape($_) } map { /^([^=]+)=(.*)$/ } split(/,/,$old);
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85 | }
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86 |
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87 | sub canonical
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88 | {
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89 | my $self = shift;
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90 | my $other = $self->_nonldap_canonical;
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91 |
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92 | # The stuff below is not as efficient as one might hope...
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93 |
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94 | $other = $other->clone if $other == $self;
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95 |
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96 | $other->dn(_normalize_dn($other->dn));
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97 |
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98 | # Should really know about mixed case "postalAddress", etc...
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99 | $other->attributes(map lc, $other->attributes);
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100 |
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101 | # Lowercase scope, remove default
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102 | my $old_scope = $other->scope;
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103 | my $new_scope = lc($old_scope);
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104 | $new_scope = "" if $new_scope eq "base";
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105 | $other->scope($new_scope) if $new_scope ne $old_scope;
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106 |
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107 | # Remove filter if default
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108 | my $old_filter = $other->filter;
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109 | $other->filter("") if lc($old_filter) eq "(objectclass=*)" ||
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110 | lc($old_filter) eq "objectclass=*";
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111 |
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112 | # Lowercase extensions types and deal with known extension values
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113 | my @ext = $other->extensions;
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114 | for (my $i = 0; $i < @ext; $i += 2) {
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115 | my $etype = $ext[$i] = lc($ext[$i]);
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116 | if ($etype =~ /^!?bindname$/) {
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117 | $ext[$i+1] = _normalize_dn($ext[$i+1]);
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118 | }
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119 | }
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120 | $other->extensions(@ext) if @ext;
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121 |
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122 | $other;
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123 | }
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124 |
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125 | sub _normalize_dn # RFC 2253
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126 | {
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127 | my $dn = shift;
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128 |
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129 | return $dn;
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130 | # The code below will fail if the "+" or "," is embedding in a quoted
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131 | # string or simply escaped...
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132 |
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133 | my @dn = split(/([+,])/, $dn);
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134 | for (@dn) {
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135 | s/^([a-zA-Z]+=)/lc($1)/e;
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136 | }
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137 | join("", @dn);
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138 | }
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139 |
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140 | 1;
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