Mercurial > prosody-modules

annotate mod_client_certs/mod_client_certs.lua @ 1761:6f34e51a23f0

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mod_compact_resource: Enforces short random resources
author Kim Alvefur <zash@zash.se>
date Wed, 27 May 2015 13:27:56 +0200
parents 7dbde05b48a9
children bdf1de953fd9
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1 -- XEP-0257: Client Certificates Management implementation for Prosody
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2 -- Copyright (C) 2012 Thijs Alkemade
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3 --
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4 -- This file is MIT/X11 licensed.
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5
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6 local st = require "util.stanza";
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7 local jid_bare = require "util.jid".bare;
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8 local jid_split = require "util.jid".split;
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9 local xmlns_saslcert = "urn:xmpp:saslcert:1";
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10 local dm_load = require "util.datamanager".load;
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11 local dm_store = require "util.datamanager".store;
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12 local dm_table = "client_certs";
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13 local x509 = require "ssl.x509";
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14 local id_on_xmppAddr = "1.3.6.1.5.5.7.8.5";
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15 local id_ce_subjectAltName = "2.5.29.17";
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16 local digest_algo = "sha1";
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17 local base64 = require "util.encodings".base64;
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18
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19 local function get_id_on_xmpp_addrs(cert)
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20 local id_on_xmppAddrs = {};
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21 for k,ext in pairs(cert:extensions()) do
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22 if k == id_ce_subjectAltName then
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23 for e,extv in pairs(ext) do
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24 if e == id_on_xmppAddr then
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25 for i,v in ipairs(extv) do
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26 id_on_xmppAddrs[#id_on_xmppAddrs+1] = v;
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27 end
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28 end
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29 end
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30 end
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31 end
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32 module:log("debug", "Found JIDs: (%d) %s", #id_on_xmppAddrs, table.concat(id_on_xmppAddrs, ", "));
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33 return id_on_xmppAddrs;
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34 end
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35
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36 local function enable_cert(username, cert, info)
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37 -- Check the certificate. Is it not expired? Does it include id-on-xmppAddr?
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38
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39 --[[ the method expired doesn't exist in luasec .. yet?
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40 if cert:expired() then
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41 module:log("debug", "This certificate is already expired.");
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42 return nil, "This certificate is expired.";
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43 end
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44 --]]
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45
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46 if not cert:validat(os.time()) then
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47 module:log("debug", "This certificate is not valid at this moment.");
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48 end
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49
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50 local valid_id_on_xmppAddrs;
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51 local require_id_on_xmppAddr = true;
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52 if require_id_on_xmppAddr then
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53 valid_id_on_xmppAddrs = get_id_on_xmpp_addrs(cert);
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54
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55 local found = false;
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56 for i,k in pairs(valid_id_on_xmppAddrs) do
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57 if jid_bare(k) == (username .. "@" .. module.host) then
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58 found = true;
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59 break;
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60 end
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61 end
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62
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63 if not found then
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64 return nil, "This certificate has no valid id-on-xmppAddr field.";
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65 end
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66 end
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67
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68 local certs = dm_load(username, module.host, dm_table) or {};
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69
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70 info.pem = cert:pem();
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71 local digest = cert:digest(digest_algo);
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72 info.digest = digest;
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73 certs[info.name] = info;
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74
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75 dm_store(username, module.host, dm_table, certs);
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76 return true
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77 end
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78
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79 local function disable_cert(username, name, disconnect)
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80 local certs = dm_load(username, module.host, dm_table) or {};
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81
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82 local info = certs[name];
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83
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84 if not info then
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85 return nil, "item-not-found"
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86 end
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87
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88 certs[name] = nil;
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89
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90 if disconnect then
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91 module:log("debug", "%s revoked a certificate! Disconnecting all clients that used it", username);
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92 local sessions = hosts[module.host].sessions[username].sessions;
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93 local disabled_cert_pem = info.pem;
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94
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95 for _, session in pairs(sessions) do
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96 if session and session.conn then
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97 local cert = session.conn:socket():getpeercertificate();
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98
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99 if cert and cert:pem() == disabled_cert_pem then
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100 module:log("debug", "Found a session that should be closed: %s", tostring(session));
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101 session:close{ condition = "not-authorized", text = "This client side certificate has been revoked."};
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102 end
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103 end
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104 end
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105 end
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106
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107 dm_store(username, module.host, dm_table, certs);
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108 return info;
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109 end
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110
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111 module:hook("iq/self/"..xmlns_saslcert..":items", function(event)
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112 local origin, stanza = event.origin, event.stanza;
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113 if stanza.attr.type == "get" then
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114 module:log("debug", "%s requested items", origin.full_jid);
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115
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116 local reply = st.reply(stanza):tag("items", { xmlns = xmlns_saslcert });
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117 local certs = dm_load(origin.username, module.host, dm_table) or {};
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118
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119 for digest,info in pairs(certs) do
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120 reply:tag("item")
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121 :tag("name"):text(info.name):up()
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122 :tag("x509cert"):text(info.x509cert)
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123 :up();
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124 end
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125
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126 origin.send(reply);
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127 return true
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128 end
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129 end);
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130
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131 module:hook("iq/self/"..xmlns_saslcert..":append", function(event)
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132 local origin, stanza = event.origin, event.stanza;
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133 if stanza.attr.type == "set" then
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134
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135 local append = stanza:get_child("append", xmlns_saslcert);
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136 local name = append:get_child_text("name", xmlns_saslcert);
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137 local x509cert = append:get_child_text("x509cert", xmlns_saslcert);
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138
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139 if not x509cert or not name then
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140 origin.send(st.error_reply(stanza, "cancel", "bad-request", "Missing fields.")); -- cancel? not modify?
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141 return true
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142 end
1343
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143
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144 local can_manage = append:get_child("no-cert-management", xmlns_saslcert) ~= nil;
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145 x509cert = x509cert:gsub("^%s*(.-)%s*$", "%1");
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146
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147 local cert = x509.load(
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148 "-----BEGIN CERTIFICATE-----\n"
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149 .. x509cert ..
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150 "\n-----END CERTIFICATE-----\n");
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151
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152
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153 if not cert then
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154 origin.send(st.error_reply(stanza, "modify", "not-acceptable", "Could not parse X.509 certificate"));
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155 return true;
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156 end
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157
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158 local ok, err = enable_cert(origin.username, cert, {
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159 name = name,
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160 x509cert = x509cert,
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161 no_cert_management = can_manage,
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162 });
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163
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164 if not ok then
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165 origin.send(st.error_reply(stanza, "cancel", "bad-request", err));
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166 return true -- REJECT?!
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167 end
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168
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169 module:log("debug", "%s added certificate named %s", origin.full_jid, name);
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170
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171 origin.send(st.reply(stanza));
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172
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173 return true
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174 end
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175 end);
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176
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177
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178 local function handle_disable(event)
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179 local origin, stanza = event.origin, event.stanza;
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180 if stanza.attr.type == "set" then
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181 local disable = stanza.tags[1];
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182 module:log("debug", "%s disabled a certificate", origin.full_jid);
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183
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184 local name = disable:get_child_text("name");
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185
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186 if not name then
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187 origin.send(st.error_reply(stanza, "cancel", "bad-request", "No key specified."));
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188 return true
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189 end
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190
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191 disable_cert(origin.username, name, disable.name == "revoke");
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192
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193 origin.send(st.reply(stanza));
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194
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195 return true
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196 end
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197 end
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198
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199 module:hook("iq/self/"..xmlns_saslcert..":disable", handle_disable);
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200 module:hook("iq/self/"..xmlns_saslcert..":revoke", handle_disable);
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201
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202 -- Ad-hoc command
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203 local adhoc_new = module:require "adhoc".new;
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204 local dataforms_new = require "util.dataforms".new;
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205
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206 local function generate_error_message(errors)
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207 local errmsg = {};
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208 for name, err in pairs(errors) do
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209 errmsg[#errmsg + 1] = name .. ": " .. err;
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210 end
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211 return table.concat(errmsg, "\n");
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212 end
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213
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214 local choose_subcmd_layout = dataforms_new {
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215 title = "Certificate management";
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216 instructions = "What action do you want to perform?";
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217
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218 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/certs#subcmd" };
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219 { name = "subcmd", type = "list-single", label = "Actions", required = true,
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220 value = { {label = "Add certificate", value = "add"},
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221 {label = "List certificates", value = "list"},
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222 {label = "Disable certificate", value = "disable"},
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223 {label = "Revoke certificate", value = "revoke"},
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224 };
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225 };
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226 };
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227
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228 local add_layout = dataforms_new {
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diff changeset
229 title = "Adding a certificate";
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diff changeset
230 instructions = "Enter the certificate in PEM format";
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diff changeset
231
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diff changeset
232 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/certs#add" };
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diff changeset
233 { name = "name", type = "text-single", label = "Name", required = true };
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diff changeset
234 { name = "cert", type = "text-multi", label = "PEM certificate", required = true };
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diff changeset
235 { name = "manage", type = "boolean", label = "Can manage certificates", value = true };
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diff changeset
236 };
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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diff changeset
237
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diff changeset
238
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diff changeset
239 local disable_layout_stub = dataforms_new { { name = "cert", type = "list-single", label = "Certificate", required = true } };
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diff changeset
240
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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diff changeset
241
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diff changeset
242 local function adhoc_handler(self, data, state)
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diff changeset
243 if data.action == "cancel" then return { status = "canceled" }; end
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diff changeset
244
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Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
245 if not state or data.action == "prev" then
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diff changeset
246 return { status = "executing", form = choose_subcmd_layout, actions = { "next" } }, {};
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diff changeset
247 end
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diff changeset
248
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Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
249 if not state.subcmd then
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parents: 712
diff changeset
250 local fields, errors = choose_subcmd_layout:data(data.form);
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diff changeset
251 if errors then
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diff changeset
252 return { status = "completed", error = { message = generate_error_message(errors) } };
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diff changeset
253 end
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diff changeset
254 local subcmd = fields.subcmd
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255
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diff changeset
256 if subcmd == "add" then
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diff changeset
257 return { status = "executing", form = add_layout, actions = { "prev", "next", "complete" } }, { subcmd = "add" };
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diff changeset
258 elseif subcmd == "list" then
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parents: 712
diff changeset
259 local list_layout = dataforms_new {
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diff changeset
260 title = "List of certificates";
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diff changeset
261 };
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diff changeset
262
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diff changeset
263 local certs = dm_load(jid_split(data.from), module.host, dm_table) or {};
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diff changeset
264
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parents: 712
diff changeset
265 for digest, info in pairs(certs) do
990
17ba2c59d661 mod_client_certs: Updated to match the specification in urn:xmpp:saslcert:1.
Thijs Alkemade <me@thijsalkema.de>
parents: 713
diff changeset
266 list_layout[#list_layout + 1] = { name = info.name, type = "text-multi", label = info.name, value = info.x509cert };
713
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diff changeset
267 end
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diff changeset
268
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diff changeset
269 return { status = "completed", result = list_layout };
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diff changeset
270 else
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diff changeset
271 local layout = dataforms_new {
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diff changeset
272 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/certs#" .. subcmd };
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273 { name = "cert", type = "list-single", label = "Certificate", required = true };
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diff changeset
274 };
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diff changeset
275
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diff changeset
276 if subcmd == "disable" then
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diff changeset
277 layout.title = "Disabling a certificate";
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parents: 712
diff changeset
278 layout.instructions = "Select the certificate to disable";
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diff changeset
279 elseif subcmd == "revoke" then
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Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
280 layout.title = "Revoking a certificate";
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diff changeset
281 layout.instructions = "Select the certificate to revoke";
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diff changeset
282 end
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diff changeset
283
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diff changeset
284 local certs = dm_load(jid_split(data.from), module.host, dm_table) or {};
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diff changeset
285
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diff changeset
286 local values = {};
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diff changeset
287 for digest, info in pairs(certs) do
990
17ba2c59d661 mod_client_certs: Updated to match the specification in urn:xmpp:saslcert:1.
Thijs Alkemade <me@thijsalkema.de>
parents: 713
diff changeset
288 values[#values + 1] = { label = info.name, value = info.name };
713
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diff changeset
289 end
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diff changeset
290
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diff changeset
291 return { status = "executing", form = { layout = layout, values = { cert = values } }, actions = { "prev", "next", "complete" } },
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diff changeset
292 { subcmd = subcmd };
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diff changeset
293 end
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diff changeset
294 end
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diff changeset
295
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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diff changeset
296 if state.subcmd == "add" then
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parents: 712
diff changeset
297 local fields, errors = add_layout:data(data.form);
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diff changeset
298 if errors then
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diff changeset
299 return { status = "completed", error = { message = generate_error_message(errors) } };
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diff changeset
300 end
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
301
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
302 local name = fields.name;
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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diff changeset
303 local x509cert = fields.cert:gsub("^%s*(.-)%s*$", "%1");
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parents: 712
diff changeset
304
1096
1abb8f2a5761 mod_client_certs: Update for x509 API in LuaSec 0.5
Kim Alvefur <zash@zash.se>
parents: 990
diff changeset
305 local cert = x509.load(
713
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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diff changeset
306 "-----BEGIN CERTIFICATE-----\n"
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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diff changeset
307 .. x509cert ..
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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diff changeset
308 "\n-----END CERTIFICATE-----\n");
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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parents: 712
diff changeset
309
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
310 if not cert then
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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parents: 712
diff changeset
311 return { status = "completed", error = { message = "Could not parse X.509 certificate" } };
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
312 end
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
313
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
314 local ok, err = enable_cert(jid_split(data.from), cert, {
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
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parents: 712
diff changeset
315 name = name,
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
316 x509cert = x509cert,
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
317 no_cert_management = not fields.manage
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
318 });
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
319
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
320 if not ok then
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
321 return { status = "completed", error = { message = err } };
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
322 end
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
323
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
324 module:log("debug", "%s added certificate named %s", data.from, name);
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
325
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
326 return { status = "completed", info = "Successfully added certificate " .. name .. "." };
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
327 else
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
328 local fields, errors = disable_layout_stub:data(data.form);
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
329 if errors then
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
330 return { status = "completed", error = { message = generate_error_message(errors) } };
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
331 end
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
332
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
333 local info = disable_cert(jid_split(data.from), fields.cert, state.subcmd == "revoke" );
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
334
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
335 if state.subcmd == "revoke" then
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
336 return { status = "completed", info = "Revoked certificate " .. info.name .. "." };
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
337 else
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
338 return { status = "completed", info = "Disabled certificate " .. info.name .. "." };
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
339 end
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
340 end
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
341 end
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
342
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
343 local cmd_desc = adhoc_new("Manage certificates", "http://prosody.im/protocol/certs", adhoc_handler, "user");
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
344 module:provides("adhoc", cmd_desc);
88ef66a65b13 mod_client_certs: Add Ad-Hoc commands for certificate management
Florian Zeitz <florob@babelmonkeys.de>
parents: 712
diff changeset
345
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
346 -- Here comes the SASL EXTERNAL stuff
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
347
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
348 local now = os.time;
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
349 module:hook("stream-features", function(event)
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
350 local session, features = event.origin, event.features;
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
351 if session.secure and session.type == "c2s_unauthed" then
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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352 local cert = session.conn:socket():getpeercertificate();
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
353 if not cert then
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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354 module:log("error", "No Client Certificate");
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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355 return
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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356 end
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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357 module:log("info", "Client Certificate: %s", cert:digest(digest_algo));
1096
1abb8f2a5761 mod_client_certs: Update for x509 API in LuaSec 0.5
Kim Alvefur <zash@zash.se>
parents: 990
diff changeset
358 if not cert:validat(now()) then
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
359 module:log("debug", "Client has an expired certificate", cert:digest(digest_algo));
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
360 return
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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361 end
709
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
362 module:log("debug", "Stream features:\n%s", tostring(features));
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
363 local mechs = features:get_child("mechanisms", "urn:ietf:params:xml:ns:xmpp-sasl");
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
364 if mechs then
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
365 mechs:tag("mechanism"):text("EXTERNAL");
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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366 end
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
367 end
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
368 end, -1);
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
369
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
370 local sm_make_authenticated = require "core.sessionmanager".make_authenticated;
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
371
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
372 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:auth", function(event)
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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373 local session, stanza = event.origin, event.stanza;
709
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
374 if session.type == "c2s_unauthed" and stanza.attr.mechanism == "EXTERNAL" then
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
375 if session.secure then
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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376 local cert = session.conn:socket():getpeercertificate();
709
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
377 local username_data = stanza:get_text();
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
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378 local username = nil;
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
379
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
380 if username_data == "=" then
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
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381 -- Check for either an id_on_xmppAddr
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
382 local jids = get_id_on_xmpp_addrs(cert);
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
383
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
384 if not (#jids == 1) then
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
385 module:log("debug", "Client tried to authenticate as =, but certificate has multiple JIDs.");
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
386 module:fire_event("authentication-failure", { session = session, condition = "not-authorized" });
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
387 session.send(st.stanza("failure", { xmlns="urn:ietf:params:xml:ns:xmpp-sasl"}):tag"not-authorized");
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
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388 return true;
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
389 end
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Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
390
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
391 username = jids[1];
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
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392 else
709
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
393 -- Check the base64 encoded username
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
394 username = base64.decode(username_data);
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
395 end
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
396
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
397 local user, host, resource = jid_split(username);
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
398
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
399 module:log("debug", "Inferred username: %s", user or "nil");
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
400
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
401 if (not username) or (not host == module.host) then
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
402 module:log("debug", "No valid username found for %s", tostring(session));
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
403 module:fire_event("authentication-failure", { session = session, condition = "not-authorized" });
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
404 session.send(st.stanza("failure", { xmlns="urn:ietf:params:xml:ns:xmpp-sasl"}):tag"not-authorized");
709
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
405 return true;
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
406 end
709
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
407
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
408 local certs = dm_load(user, module.host, dm_table) or {};
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
409 local digest = cert:digest(digest_algo);
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
410 local pem = cert:pem();
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
411
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
412 for name,info in pairs(certs) do
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
413 if info.digest == digest and info.pem == pem then
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
414 sm_make_authenticated(session, user);
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
415 module:fire_event("authentication-success", { session = session });
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
416 session.send(st.stanza("success", { xmlns="urn:ietf:params:xml:ns:xmpp-sasl"}));
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
417 session:reset_stream();
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
418 return true;
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
419 end
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
420 end
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
421 module:fire_event("authentication-failure", { session = session, condition = "not-authorized" });
151743149f07 mod_client_certs: Follow the rules in XEP-0178 about the inclusion of the username when using EXTERNAL, instead of mapping one certificate to one user.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 698
diff changeset
422 session.send(st.stanza("failure", { xmlns="urn:ietf:params:xml:ns:xmpp-sasl"}):tag"not-authorized");
695
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
423 else
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
424 session.send(st.stanza("failure", { xmlns="urn:ietf:params:xml:ns:xmpp-sasl"}):tag"encryption-required");
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
425 end
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
426 return true;
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
427 end
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
428 end, 1);
f6be46f15b74 mod_client_certs: Checking in the latest version I have with Zash's changes.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
diff changeset
429