prosody
7c87af1c9a68
core/certmanager.lua

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core/certmanager.lua @ 3370:7c87af1c9a68

certmanager: Fix to handle the case of no SSL configuration at all
author Matthew Wild <mwild1@gmail.com>
date Wed, 14 Jul 2010 16:24:15 +0100
parent 3369:9a96969d4670
child 3372:395f692b3182
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local configmanager = require "core.configmanager";
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10 local log = require "util.logger".init("certmanager");
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11 local ssl = ssl;
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12 local ssl_newcontext = ssl and ssl.newcontext;
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13
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14 local setmetatable, tostring = setmetatable, tostring;
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15
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16 local prosody = prosody;
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17 local resolve_path = prosody.resolve_relative_path;
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18
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19 module "certmanager"
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21 -- Global SSL options if not overridden per-host
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22 local default_ssl_config = configmanager.get("*", "core", "ssl") or {};
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23 local default_capath = "/etc/ssl/certs";
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24
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25 function create_context(host, mode, config)
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26 local user_ssl_config = config and config.core.ssl or default_ssl_config;
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27
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28 if not(ssl and user_ssl_config) then return nil; end
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29
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30 local ssl_config = {
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31 mode = mode;
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32 protocol = user_ssl_config.protocol or "sslv23";
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33 key = resolve_path(user_ssl_config.key);
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34 password = user_ssl_config.password;
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35 certificate = resolve_path(user_ssl_config.certificate);
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36 capath = resolve_path(user_ssl_config.capath or default_capath);
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37 cafile = resolve_path(user_ssl_config.cafile);
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38 verify = user_ssl_config.verify or "none";
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39 options = user_ssl_config.options or "no_sslv2";
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40 ciphers = user_ssl_config.ciphers;
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41 depth = user_ssl_config.depth;
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42 };
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43
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44 local ctx, err = ssl_newcontext(ssl_config);
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45 if not ctx then
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46 err = err or "invalid ssl config"
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47 local file = err:match("^error loading (.-) %(");
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48 if file then
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49 if file == "private key" then
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50 file = ssl_config.key or "your private key";
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51 elseif file == "certificate" then
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52 file = ssl_config.certificate or "your certificate file";
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53 end
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54 local reason = err:match("%((.+)%)$") or "some reason";
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55 if reason == "Permission denied" then
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56 reason = "Check that the permissions allow Prosody to read this file.";
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57 elseif reason == "No such file or directory" then
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58 reason = "Check that the path is correct, and the file exists.";
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59 elseif reason == "system lib" then
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60 reason = "Previous error (see logs), or other system error.";
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61 elseif reason == "(null)" or not reason then
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62 reason = "Check that the file exists and the permissions are correct";
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63 else
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64 reason = "Reason: "..tostring(reason):lower();
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65 end
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66 log("error", "SSL/TLS: Failed to load %s: %s", file, reason);
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67 else
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68 log("error", "SSL/TLS: Error initialising for host %s: %s", host, err );
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69 end
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70 ssl = false
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71 end
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72 return ctx, err;
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73 end
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74
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75 function reload_ssl_config()
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76 default_ssl_config = configmanager.get("*", "core", "ssl");
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77 end
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78
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79 prosody.events.add_handler("config-reloaded", reload_ssl_config);
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80
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81 return _M;