Mercurial > prosody-modules

annotate mod_auth_pam/mod_auth_pam.lua @ 5186:fa3059e653fa

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mod_http_oauth2: Implement the Implicit flow Everyone says this is insecure and bad, but it's also the only thing that makes sense for e.g. pure JavaScript clients, but hey implement this even more complicated thing instead!
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:06:50 +0100
parents 57bb2497fadc
children
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b8762c9fb270 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";