prosody
352cd61e2682
util/rfc3484.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util/rfc3484.lua @ 4638:352cd61e2682

modulemanager: Allow loading a module onto "*" (part-fixes #228)
author Matthew Wild <mwild1@gmail.com>
date Sat, 21 Apr 2012 20:00:30 +0100
parent 4423:ded726418b16
child 4830:ea907059a90e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4420
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
1 -- Prosody IM
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
2 -- Copyright (C) 2008-2011 Florian Zeitz
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
3 --
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
4 -- This project is MIT/X11 licensed. Please see the
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
5 -- COPYING file in the source package for more information.
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
6 --
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
7
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
8 local commonPrefixLength = require"util.ip".commonPrefixLength
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
9 local new_ip = require"util.ip".new_ip;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
10
4423
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
11 local function t_sort(t, comp)
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
12 for i = 1, (#t - 1) do
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
13 for j = (i + 1), #t do
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
14 local a, b = t[i], t[j];
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
15 if not comp(a,b) then
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
16 t[i], t[j] = b, a;
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
17 end
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
18 end
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
19 end
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
20 end
ded726418b16 util.rfc3484: Use a stable sorting algorithm
Florian Zeitz <florob@babelmonkeys.de>
parents: 4420
diff changeset
21
4420
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
22 function source(dest, candidates)
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
23 local function comp(ipA, ipB)
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
24 -- Rule 1: Prefer same address
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
25 if dest == ipA then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
26 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
27 elseif dest == ipB then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
28 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
29 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
30
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
31 -- Rule 2: Prefer appropriate scope
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
32 if ipA.scope < ipB.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
33 if ipA.scope < dest.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
34 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
35 else
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
36 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
37 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
38 elseif ipA.scope > ipB.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
39 if ipB.scope < dest.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
40 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
41 else
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
42 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
43 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
44 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
45
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
46 -- Rule 3: Avoid deprecated addresses
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
47 -- XXX: No way to determine this
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
48 -- Rule 4: Prefer home addresses
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
49 -- XXX: Mobility Address related, no way to determine this
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
50 -- Rule 5: Prefer outgoing interface
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
51 -- XXX: Interface to address relation. No way to determine this
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
52 -- Rule 6: Prefer matching label
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
53 if ipA.label == dest.label and ipB.label ~= dest.label then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
54 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
55 elseif ipB.label == dest.label and ipA.label ~= dest.label then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
56 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
57 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
58
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
59 -- Rule 7: Prefer public addresses (over temporary ones)
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
60 -- XXX: No way to determine this
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
61 -- Rule 8: Use longest matching prefix
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
62 if commonPrefixLength(ipA, dest) > commonPrefixLength(ipB, dest) then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
63 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
64 else
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
65 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
66 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
67 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
68
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
69 t_sort(candidates, comp);
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
70 return candidates[1];
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
71 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
72
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
73 function destination(candidates, sources)
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
74 local sourceAddrs = {};
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
75 local function comp(ipA, ipB)
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
76 local ipAsource = sourceAddrs[ipA];
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
77 local ipBsource = sourceAddrs[ipB];
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
78 -- Rule 1: Avoid unusable destinations
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
79 -- XXX: No such information
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
80 -- Rule 2: Prefer matching scope
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
81 if ipA.scope == ipAsource.scope and ipB.scope ~= ipBsource.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
82 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
83 elseif ipA.scope ~= ipAsource.scope and ipB.scope == ipBsource.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
84 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
85 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
86
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
87 -- Rule 3: Avoid deprecated addresses
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
88 -- XXX: No way to determine this
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
89 -- Rule 4: Prefer home addresses
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
90 -- XXX: Mobility Address related, no way to determine this
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
91 -- Rule 5: Prefer matching label
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
92 if ipAsource.label == ipA.label and ipBsource.label ~= ipB.label then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
93 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
94 elseif ipBsource.label == ipB.label and ipAsource.label ~= ipA.label then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
95 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
96 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
97
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
98 -- Rule 6: Prefer higher precedence
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
99 if ipA.precedence > ipB.precedence then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
100 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
101 elseif ipA.precedence < ipB.precedence then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
102 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
103 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
104
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
105 -- Rule 7: Prefer native transport
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
106 -- XXX: No way to determine this
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
107 -- Rule 8: Prefer smaller scope
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
108 if ipA.scope < ipB.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
109 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
110 elseif ipA.scope > ipB.scope then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
111 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
112 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
113
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
114 -- Rule 9: Use longest matching prefix
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
115 if commonPrefixLength(ipA, ipAsource) > commonPrefixLength(ipB, ipBsource) then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
116 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
117 elseif commonPrefixLength(ipA, ipAsource) < commonPrefixLength(ipB, ipBsource) then
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
118 return false;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
119 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
120
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
121 -- Rule 10: Otherwise, leave order unchanged
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
122 return true;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
123 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
124 for _, ip in ipairs(candidates) do
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
125 sourceAddrs[ip] = source(ip, sources);
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
126 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
127
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
128 t_sort(candidates, comp);
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
129 return candidates;
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
130 end
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
131
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
132 return {source = source,
4314eeeed394 util.rfc3484: New util implementing RFC3484 sorting
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
133 destination = destination};