Mercurial > prosody-modules
annotate mod_auth_pam/mod_auth_pam.lua @ 2559:99b32f77f00d
mod_firewall: Document PASS, RETURN and DEFAULT
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 24 Feb 2017 09:48:16 +0000 (2017-02-24) |
parents | 57bb2497fadc |
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mod_auth_pam: Initial commit of simple PAM authentication module
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1 -- PAM authentication for Prosody |
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2 -- Copyright (C) 2013 Kim Alvefur |
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3 -- |
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4 -- Requires https://github.com/devurandom/lua-pam |
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5 -- and LuaPosix |
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6 |
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7 local posix = require "posix"; |
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8 local pam = require "pam"; |
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9 local new_sasl = require "util.sasl".new; |
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10 |
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11 function user_exists(username) |
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12 return not not posix.getpasswd(username); |
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13 end |
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14 |
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15 function test_password(username, password) |
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16 local h, err = pam.start("xmpp", username, { |
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17 function (t) |
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18 if #t == 1 and t[1][1] == pam.PROMPT_ECHO_OFF then |
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19 return { { password, 0} }; |
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20 end |
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21 end |
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22 }); |
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23 if h and h:authenticate() and h:endx(pam.SUCCESS) then |
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24 return user_exists(username), true; |
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25 end |
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26 return nil, true; |
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27 end |
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28 |
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29 function get_sasl_handler() |
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30 return new_sasl(module.host, { |
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31 plain_test = function(sasl, ...) |
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32 return test_password(...) |
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33 end |
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34 }); |
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35 end |
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36 |
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37 module:provides"auth"; |