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annotate mod_auth_ldap/mod_auth_ldap.lua @ 1062:f853a1a3aa15

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mod_auth_ccert: Initial commit of authentication module for using CA-issued client certificates
author Kim Alvefur <zash@zash.se>
date Thu, 13 Jun 2013 21:25:12 +0200
parents 490cb9161c81
children 8e3420d48508
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1
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2 local new_sasl = require "util.sasl".new;
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3 local log = require "util.logger".init("auth_ldap");
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4
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5 local ldap_server = module:get_option("ldap_server") or "localhost";
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6 local ldap_rootdn = module:get_option("ldap_rootdn") or "";
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7 local ldap_password = module:get_option("ldap_password") or "";
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8 local ldap_tls = module:get_option("ldap_tls");
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9 local ldap_base = assert(module:get_option("ldap_base"), "ldap_base is a required option for ldap");
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11 local lualdap = require "lualdap";
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12 local ld = assert(lualdap.open_simple(ldap_server, ldap_rootdn, ldap_password, ldap_tls));
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13 module.unload = function() ld:close(); end
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14
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15 function do_query(query)
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16 for dn, attribs in ld:search(query) do
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17 return true; -- found a result
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18 end
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19 end
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21 local provider = {};
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23 local function ldap_filter_escape(s) return (s:gsub("[\\*\\(\\)\\\\%z]", function(c) return ("\\%02x"):format(c:byte()) end)); end
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24 function provider.test_password(username, password)
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25 return do_query({
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26 base = ldap_base;
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27 filter = "(&(uid="..ldap_filter_escape(username)..")(userPassword="..ldap_filter_escape(password)..")(accountStatus=active))";
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28 });
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29 end
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30 function provider.user_exists(username)
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31 return do_query({
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32 base = ldap_base;
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33 filter = "(uid="..ldap_filter_escape(username)..")";
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34 });
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35 end
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36
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37 function provider.get_password(username) return nil, "Passwords unavailable for LDAP."; end
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38 function provider.set_password(username, password) return nil, "Passwords unavailable for LDAP."; end
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39 function provider.create_user(username, password) return nil, "Account creation/modification not available with LDAP."; end
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41 function provider.get_sasl_handler()
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42 local testpass_authentication_profile = {
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43 plain_test = function(sasl, username, password, realm)
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44 return provider.test_password(username, password), true;
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45 end
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46 };
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47 return new_sasl(module.host, testpass_authentication_profile);
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48 end
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49
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50 module:provides("auth", provider);