Mercurial > prosody-modules
annotate mod_auth_pam/mod_auth_pam.lua @ 3503:882180b459a0
mod_pubsub_post: Restructure authentication and authorization (BC)
This deprecates the default "superuser" actor model and makes the
default equivalent to the previous "request.id".
A single actor and secret per node is supported because HTTP and
WebHooks don't normally include any authorization identity.
Allowing authentication bypass when no secret is given should be
relatively safe when the actor is unprivileged, as will be unless
explicitly configured otherwise.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 30 Mar 2019 21:16:13 +0100 |
parents | 57bb2497fadc |
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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"; |