prosody-modules
db5128d1a16c
mod_auth_pam/mod_auth_pam.lua

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mod_auth_pam/mod_auth_pam.lua @ 5939:db5128d1a16c

mod_report_forward: Fix traceback when reporting a specific message (thanks singpolyma)
author Matthew Wild <mwild1@gmail.com>
date Thu, 30 May 2024 17:55:07 +0100
parent 1538:57bb2497fadc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1165
b8762c9fb270 mod_auth_pam: Initial commit of simple PAM authentication module
Kim Alvefur <zash@zash.se>
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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
b8762c9fb270 mod_auth_pam: Initial commit of simple PAM authentication module
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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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57bb2497fadc mod_auth_pam: Update for removal of PAM_ prefixes to constant names
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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";