Software / code / prosody
Annotate
tools/dnsregistry.lua @ 12994:5625da6ae6b6
moduleapi: may: Fail early if a local session has no role assigned
We expect every session to explicitly have a role assigned. Falling back to
any kind of "default" role (even the user's default role) in the absence of
an explicit role could open up the possibility of accidental privilege
escalation.
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Sat, 25 Mar 2023 19:38:41 +0000 |
| parent | 12855:3306807c0619 |
| child | 13142:879a6a33c21b |
| rev | line source |
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tools.dnsregistry: For converting IANA DNS registry data to Lua table
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1 -- Generate util/dnsregistry.lua from IANA HTTP status code registry |
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2 local xml = require "util.xml"; |
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3 local registries = xml.parse(io.read("*a"), { allow_processing_instructions = true }); |
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4 |
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5 print("-- Source: https://www.iana.org/assignments/dns-parameters/dns-parameters.xml"); |
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6 print(os.date("-- Generated on %Y-%m-%d")) |
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7 |
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8 local registry_mapping = { |
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9 ["dns-parameters-2"] = "classes"; |
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10 ["dns-parameters-4"] = "types"; |
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11 ["dns-parameters-6"] = "errors"; |
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12 }; |
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13 |
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14 print("return {"); |
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15 for registry in registries:childtags("registry") do |
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16 local registry_name = registry_mapping[registry.attr.id]; |
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17 if registry_name then |
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18 print("\t" .. registry_name .. " = {"); |
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19 for record in registry:childtags("record") do |
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20 local record_name = record:get_child_text("name"); |
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21 local record_type = record:get_child_text("type"); |
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22 local record_desc = record:get_child_text("description"); |
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23 local record_code = tonumber(record:get_child_text("value")); |
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24 |
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25 if tostring(record):lower():match("reserved") or tostring(record):lower():match("unassigned") then |
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26 record_code = nil; |
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27 end |
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28 |
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29 if registry_name == "classes" and record_code then |
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30 record_type = record_desc and record_desc:match("%((%w+)%)$") |
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31 if record_type then |
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32 print(("\t\t[%q] = %d; [%d] = %q;"):format(record_type, record_code, record_code, record_type)) |
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33 end |
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34 elseif registry_name == "types" and record_type and record_code then |
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35 print(("\t\t[%q] = %d; [%d] = %q;"):format(record_type, record_code, record_code, record_type)) |
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36 elseif registry_name == "errors" and record_code and record_name then |
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37 print(("\t\t[%d] = %q; [%q] = %q;"):format(record_code, record_name, record_name, record_desc or record_name)); |
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38 end |
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39 end |
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40 print("\t};"); |
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41 end |
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42 end |
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43 print("};"); |
