Mercurial > prosody-modules
annotate mod_auth_pam/mod_auth_pam.lua @ 5608:1893ae742f66
mod_http_oauth2: Show errors on device flow user code entry page
If the user enters the code incorrectly, having to click back to try
again is no fun. Instead, show the error and the code entry form again.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 19 Jul 2023 13:05:47 +0200 |
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"; |