Mercurial > prosody-modules

annotate mod_auth_ldap/mod_auth_ldap.lua @ 2494:d300ae5dba87

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mod_smacks: Fix some bugs with smacks-ack-delayed event triggering. The old code had several flaws which are addressed here. First of all this fixes the if statement guarding the event generation There where some timing glitches addressed by this commit as well.
author tmolitor <thilo@eightysoft.de>
date Sun, 12 Feb 2017 21:23:22 +0100
parents e16593e7d482
children 41565a743cad
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- mod_auth_ldap
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2
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3 local jid_split = require "util.jid".split;
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4 local new_sasl = require "util.sasl".new;
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5 local lualdap = require "lualdap";
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6 local function ldap_filter_escape(s) return (s:gsub("[*()\\%z]", function(c) return ("\\%02x"):format(c:byte()) end)); end
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7
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8 -- Config options
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9 local ldap_server = module:get_option_string("ldap_server", "localhost");
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10 local ldap_rootdn = module:get_option_string("ldap_rootdn", "");
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11 local ldap_password = module:get_option_string("ldap_password", "");
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12 local ldap_tls = module:get_option_boolean("ldap_tls");
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13 local ldap_scope = module:get_option_string("ldap_scope", "subtree");
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14 local ldap_filter = module:get_option_string("ldap_filter", "(uid=$user)"):gsub("%%s", "$user", 1);
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15 local ldap_base = assert(module:get_option_string("ldap_base"), "ldap_base is a required option for ldap");
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16 local ldap_mode = module:get_option_string("ldap_mode", "bind");
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17 local ldap_admins = module:get_option_string("ldap_admin_filter");
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18 local host = ldap_filter_escape(module:get_option_string("realm", module.host));
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20 -- Initiate connection
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21 local ld = nil;
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22 module.unload = function() if ld then pcall(ld, ld.close); end end
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24 function ldap_do_once(method, ...)
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25 if ld == nil then
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26 local err;
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27 ld, err = lualdap.open_simple(ldap_server, ldap_rootdn, ldap_password, ldap_tls);
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28 if not ld then return nil, err, "reconnect"; end
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29 end
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31 local success, iterator, invariant, initial = pcall(ld[method], ld, ...);
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32 if not success then ld = nil; return nil, iterator, "search"; end
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34 local success, dn, attr = pcall(iterator, invariant, initial);
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35 if not success then ld = nil; return success, dn, "iter"; end
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37 return dn, attr, "return";
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38 end
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39
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40 function ldap_do(method, retry_count, ...)
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41 local dn, attr, where;
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42 for i=1,1+retry_count do
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43 dn, attr, where = ldap_do_once(method, ...);
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44 if dn or not(attr) then break; end -- nothing or something found
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45 module:log("warn", "LDAP: %s %s (in %s)", tostring(dn), tostring(attr), where);
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46 -- otherwise retry
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47 end
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48 if not dn and attr then
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49 module:log("error", "LDAP: %s", tostring(attr));
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50 end
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51 return dn, attr;
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52 end
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54 local function get_user(username)
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55 module:log("debug", "get_user(%q)", username);
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56 return ldap_do("search", 2, {
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57 base = ldap_base;
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58 scope = ldap_scope;
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59 sizelimit = 1;
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60 filter = ldap_filter:gsub("%$(%a+)", {
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61 user = ldap_filter_escape(username);
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62 host = host;
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63 });
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64 });
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65 end
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66
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67 local provider = {};
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68
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69 function provider.create_user(username, password)
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70 return nil, "Account creation not available with LDAP.";
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71 end
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72
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73 function provider.user_exists(username)
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74 return not not get_user(username);
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75 end
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76
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77 function provider.set_password(username, password)
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78 local dn, attr = get_user(username);
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79 if not dn then return nil, attr end
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80 if attr.userPassword == password then return true end
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81 return ldap_do("modify", 2, dn, { '=', userPassword = password });
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82 end
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83
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84 if ldap_mode == "getpasswd" then
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85 function provider.get_password(username)
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86 local dn, attr = get_user(username);
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87 if dn and attr then
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88 return attr.userPassword;
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89 end
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90 end
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91
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92 function provider.test_password(username, password)
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93 return provider.get_password(username) == password;
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94 end
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95
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96 function provider.get_sasl_handler()
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97 return new_sasl(module.host, {
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98 plain = function(sasl, username)
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99 local password = provider.get_password(username);
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100 if not password then return "", nil; end
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101 return password, true;
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102 end
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103 });
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104 end
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105 elseif ldap_mode == "bind" then
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106 local function test_password(userdn, password)
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107 return not not lualdap.open_simple(ldap_server, userdn, password, ldap_tls);
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108 end
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109
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110 function provider.test_password(username, password)
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111 local dn = get_user(username);
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112 if not dn then return end
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113 return test_password(dn, password)
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114 end
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115
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116 function provider.get_sasl_handler()
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117 return new_sasl(module.host, {
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118 plain_test = function(sasl, username, password)
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Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
119 return provider.test_password(username, password), true;
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Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
120 end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
121 });
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
122 end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
123 else
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Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
124 module:log("error", "Unsupported ldap_mode %s", tostring(ldap_mode));
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
125 end
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
126
2056
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
127 if ldap_admins then
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
128 function provider.is_admin(jid)
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
129 local username = jid_split(jid);
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
130 return ldap_do("search", 2, {
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
131 base = ldap_base;
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Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
132 scope = ldap_scope;
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Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
133 sizelimit = 1;
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
134 filter = ldap_admins:gsub("%$(%a+)", {
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
135 user = ldap_filter_escape(username);
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
136 host = host;
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
137 });
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
138 });
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
139 end
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
140 end
e16593e7d482 mod_auth_ldap: Add support for having admin status indicated in LDAP
Kim Alvefur <zash@zash.se>
parents: 1987
diff changeset
141
814
881ec9919144 mod_auth_*: Use module:provides(), and don't explicitly specify provider.name.
Waqas Hussain <waqas20@gmail.com>
parents: 342
diff changeset
142 module:provides("auth", provider);