prosody
e8fc67b73820
core/certmanager.lua

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core/certmanager.lua @ 2630:e8fc67b73820

certmanager: Bring back the friendly errors when failing to load the key/certificate file
author Matthew Wild <mwild1@gmail.com>
date Sat, 13 Feb 2010 16:12:21 +0000
parent 2564:6b4fe320a6ea
child 2631:77f135c7689a
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1 local configmanager = require "core.configmanager";
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2 local log = require "util.logger".init("certmanager");
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3 local ssl = ssl;
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4 local ssl_newcontext = ssl and ssl.newcontext;
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5
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6 local setmetatable = setmetatable;
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7
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8 local prosody = prosody;
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9
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10 module "certmanager"
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11
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12 -- These are the defaults if not overridden in the config
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13 local default_ssl_ctx = { mode = "client", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none", options = "no_sslv2"; };
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14 local default_ssl_ctx_in = { mode = "server", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none", options = "no_sslv2"; };
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15
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16 local default_ssl_ctx_mt = { __index = default_ssl_ctx };
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17 local default_ssl_ctx_in_mt = { __index = default_ssl_ctx_in };
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19 -- Global SSL options if not overridden per-host
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20 local default_ssl_config = configmanager.get("*", "core", "ssl");
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21
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22 function get_context(host, mode, config)
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23 local ssl_config = config and config.core.ssl or default_ssl_config;
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24 if ssl and ssl_config then
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25 local ctx, err = ssl_newcontext(setmetatable(ssl_config, mode == "client" and default_ssl_ctx_mt or default_ssl_ctx_in_mt));
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26 if not ctx then
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27 err = err or "invalid ssl config"
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28 local file = err:match("^error loading (.-) %(");
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29 if file then
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30 if file == "private key" then
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31 file = ssl_config.key or "your private key";
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32 elseif file == "certificate" then
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33 file = ssl_config.certificate or "your certificate file";
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34 end
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35 local reason = err:match("%((.+)%)$") or "some reason";
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36 if reason == "Permission denied" then
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37 reason = "Check that the permissions allow Prosody to read this file.";
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38 elseif reason == "No such file or directory" then
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39 reason = "Check that the path is correct, and the file exists.";
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40 elseif reason == "system lib" then
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41 reason = "Previous error (see logs), or other system error.";
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42 else
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43 reason = "Reason: "..tostring(reason or "unknown"):lower();
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44 end
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45 log("error", "SSL/TLS: Failed to load %s: %s", file, reason);
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46 else
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47 log("error", "SSL/TLS: Error initialising for host %s: %s", host, err );
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48 end
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49 ssl = false
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50 end
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51 return ctx, err;
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52 end
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53 return nil;
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54 end
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55
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56 function reload_ssl_config()
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57 default_ssl_config = config.get("*", "core", "ssl");
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58 end
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59
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60 prosody.events.add_handler("config-reloaded", reload_ssl_config);
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61
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62 return _M;