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annotate mod_audit_auth/mod_audit_auth.lua @ 5937:da942a3f3660

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mod_sasl2: Clarify that this module requires Prosody trunk Closes #1870
author Kim Alvefur <zash@zash.se>
date Tue, 23 Jul 2024 20:32:57 +0200
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);