prosody
81d0ed5787f6
core/certmanager.lua

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core/certmanager.lua @ 4027:81d0ed5787f6

s2smanager: Handle DNS lookup error in response handler
author Matthew Wild <mwild1@gmail.com>
date Fri, 24 Dec 2010 04:57:17 +0000
parent 3609:954b1159f2f3
child 3670:d6ba317cbc97
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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 = configmanager.resolve_relative_path;
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18 local config_path = prosody.paths.config;
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20 module "certmanager"
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21
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22 -- Global SSL options if not overridden per-host
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23 local default_ssl_config = configmanager.get("*", "core", "ssl");
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24 local default_capath = "/etc/ssl/certs";
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25
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26 function create_context(host, mode, user_ssl_config)
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27 user_ssl_config = user_ssl_config or default_ssl_config;
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29 if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
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30 if not user_ssl_config then return nil, "No SSL/TLS configuration present for "..host; end
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32 local ssl_config = {
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33 mode = mode;
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34 protocol = user_ssl_config.protocol or "sslv23";
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35 key = resolve_path(config_path, user_ssl_config.key);
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36 password = user_ssl_config.password;
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37 certificate = resolve_path(config_path, user_ssl_config.certificate);
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38 capath = resolve_path(config_path, user_ssl_config.capath or default_capath);
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39 cafile = resolve_path(config_path, user_ssl_config.cafile);
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40 verify = user_ssl_config.verify or "none";
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41 options = user_ssl_config.options or "no_sslv2";
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42 ciphers = user_ssl_config.ciphers;
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43 depth = user_ssl_config.depth;
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44 };
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46 local ctx, err = ssl_newcontext(ssl_config);
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47 if not ctx then
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48 err = err or "invalid ssl config"
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49 local file = err:match("^error loading (.-) %(");
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50 if file then
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51 if file == "private key" then
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52 file = ssl_config.key or "your private key";
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53 elseif file == "certificate" then
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54 file = ssl_config.certificate or "your certificate file";
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55 end
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56 local reason = err:match("%((.+)%)$") or "some reason";
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57 if reason == "Permission denied" then
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58 reason = "Check that the permissions allow Prosody to read this file.";
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59 elseif reason == "No such file or directory" then
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60 reason = "Check that the path is correct, and the file exists.";
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61 elseif reason == "system lib" then
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62 reason = "Previous error (see logs), or other system error.";
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63 elseif reason == "(null)" or not reason then
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64 reason = "Check that the file exists and the permissions are correct";
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65 else
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66 reason = "Reason: "..tostring(reason):lower();
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67 end
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68 log("error", "SSL/TLS: Failed to load %s: %s", file, reason);
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69 else
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70 log("error", "SSL/TLS: Error initialising for host %s: %s", host, err );
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71 end
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72 end
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73 return ctx, err;
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74 end
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75
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76 function reload_ssl_config()
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77 default_ssl_config = configmanager.get("*", "core", "ssl");
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78 end
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79
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80 prosody.events.add_handler("config-reloaded", reload_ssl_config);
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81
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82 return _M;