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annotate mod_audit_auth/mod_audit_auth.lua @ 6092:bd3ff802d883

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mod_anti_spam: Fix another traceback for origin sessions without an IP This is likely to be the case for stanzas originating from local hosts, for example (so not true s2s). It should be safe to bypass the IP check for those.
author Matthew Wild <mwild1@gmail.com>
date Sat, 28 Dec 2024 21:02:08 +0000
parents cc30c4b5f006
children
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1 local cache = require "util.cache";
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2 local jid = require "util.jid";
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3 local st = require "util.stanza";
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4
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5 module:depends("audit");
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6 -- luacheck: read globals module.audit
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7
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8 local only_passwords = module:get_option_boolean("audit_auth_passwords_only", true);
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9 local cache_size = module:get_option_number("audit_auth_cache_size", 128);
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10 local repeat_failure_timeout = module:get_option_number("audit_auth_repeat_failure_timeout");
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11 local repeat_success_timeout = module:get_option_number("audit_auth_repeat_success_timeout");
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12
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13 local failure_cache = cache.new(cache_size);
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14 module:hook("authentication-failure", function(event)
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15 local session = event.session;
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17 local username = session.sasl_handler.username;
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18 if repeat_failure_timeout then
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19 local cache_key = ("%s\0%s"):format(username, session.ip);
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20 local last_failure = failure_cache:get(cache_key);
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21 local now = os.time();
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22 if last_failure and (now - last_failure) > repeat_failure_timeout then
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23 return;
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24 end
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25 failure_cache:set(cache_key, now);
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26 end
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28 module:audit(jid.join(username, module.host), "authentication-failure", {
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29 session = session;
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30 });
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31 end)
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32
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33 local success_cache = cache.new(cache_size);
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34 module:hook("authentication-success", function(event)
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35 local session = event.session;
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36 if only_passwords and session.sasl_handler.fast then
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37 return;
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38 end
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40 local username = session.sasl_handler.username;
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41 if repeat_success_timeout then
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42 local cache_key = ("%s\0%s"):format(username, session.ip);
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43 local last_success = success_cache:get(cache_key);
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44 local now = os.time();
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45 if last_success and (now - last_success) > repeat_success_timeout then
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46 return;
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47 end
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48 success_cache:set(cache_key, now);
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49 end
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50
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51 module:audit(jid.join(username, module.host), "authentication-success", {
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52 session = session;
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53 });
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54 end)
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55
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56 module:hook("client_management/new-client", function (event)
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57 local session, client = event.session, event.client;
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58
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59 local client_info = st.stanza("client", { id = client.id });
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60
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61 if client.user_agent then
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62 local user_agent = st.stanza("user-agent", { xmlns = "urn:xmpp:sasl:2" })
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63 if client.user_agent.software then
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64 user_agent:text_tag("software", client.user_agent.software, { id = client.user_agent.software_id; version = client.user_agent.software_version });
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65 end
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66 if client.user_agent.device then
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67 user_agent:text_tag("device", client.user_agent.device);
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68 end
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69 if client.user_agent.uri then
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70 user_agent:text_tag("uri", client.user_agent.uri);
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71 end
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72 client_info:add_child(user_agent);
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73 end
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74
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75 if client.legacy then
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76 client_info:text_tag("legacy");
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77 end
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78
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79 module:audit(jid.join(session.username, module.host), "new-client", {
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80 session = session;
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81 custom = {
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82 };
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83 });
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84 end);