annotate mod_auth_external.wiki @ 308:f5d82d6588d4

mod_auth_external: Clarify the protocol a bit more.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 10 Oct 2012 01:28:20 +0500
parents fa73a9b9d907
children 35702f67785f
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1 #summary Authentication via external script/process
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2 #labels Stage-Alpha,Type-Auth
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4 = Introduction =
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5
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6 Allow client authentication to be handled by an external script/process.
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8 = Configuration =
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10 As with all auth modules, there is no need to add this to modules_enabled. Simply add in the global section, or for the relevant hosts:
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12 {{{
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13 authentication = "external"
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14 }}}
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16 These options are specific to mod_auth_external:
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18 ||external_auth_protocol||May be "generic" or "ejabberd" (the latter for compatibility with ejabberd external auth scripts. Default is "generic".||
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19 ||external_auth_command||The command/script to execute.||
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21 = Protocol =
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23 Prosody executes the given command/script, and sends it queries.
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25 Your auth script should simply read a line from standard input, and write the result to standard output.
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26 It must do this in a loop, until there's nothing left to read. Prosody can keep sending more lines to the script,
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27 with a command on each line.
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29 Each command is one line, and the response is expected to be a single line containing "0" for failure or "1" for success.
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30 Your script must respond with "0" for anything it doesn't understand.
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32 There are three commands used at the moment:
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34 == auth ==
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35 Check if a user's password is valid.
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36
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37 Example: {{{auth:username:example.com:abc123}}}
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39 == isuser ==
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40 Check if a user exists.
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42 Example: {{{isuser:username:example.com}}}
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44 == setpass ==
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45 Set a new password for the user. Implementing this is optional.
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47 Example: {{{setpass:username:example.com:abc123}}}
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49 == ejabberd compatibilty ==
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50 ejabberd implements a similar protocol. The main difference is that Prosody's protocol is line-based, while ejabberd's is length-prefixed.
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52 Add this to your config if you need to use an ejabberd auth script:
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53 {{{
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54 external_auth_protocol = "ejabberd"
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55 }}}
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57 = Compatibility =
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58 ||0.8||Works||