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mod_auth_dovecot/README.markdown

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mod_auth_dovecot/README.markdown @ 5285:8e1f1eb00b58

mod_sasl2_fast: Fix harmless off-by-one error (invalidates existing tokens!) Problem: This was causing the key to become "<token>--cur" instead of the expected "<token>-cur". As the same key was used by the code to both set and get, it still worked. Rationale for change: Although it worked, it's unintended, inconsistent and messy. It increases the chances of future bugs due to the unexpected format. Side-effects of change: Existing '--cur' entries will not be checked after this change, and therefore existing FAST clients will fail to authenticate until they attempt password auth and obtain a new FAST token. Existing '--cur' entries in storage will not be cleaned up by this commit, but this is considered a minor issue, and okay for the relatively few FAST deployments.
author Matthew Wild <mwild1@gmail.com>
date Wed, 29 Mar 2023 16:12:15 +0100
parent 5121:dd2c45d05f73
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1 ---
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2 labels:
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3 - 'Stage-Alpha'
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4 - 'Type-Auth'
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5 summary: Dovecot authentication module
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6 rockspec:
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7 build:
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8 modules:
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9 mod_auth_dovecot: auth_dovecot/mod_auth_dovecot.lua
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10 mod_auth_dovecot.sasl_dovecot: auth_dovecot/sasl_dovecot.lib.lua
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11 ...
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13 Introduction
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14 ============
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16 This is a Prosody authentication plugin which uses Dovecot as the
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17 backend.
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19 Configuration
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20 =============
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22 As with all auth modules, there is no need to add this to
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23 modules\_enabled. Simply add in the global section, or for the relevant
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24 hosts:
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26 authentication = "dovecot"
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27
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28 These options are used by mod\_auth\_dovecot:
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30 Name Description Default value
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31 ----------------------- ----------------------------------------- -------------------------------
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32 dovecot\_auth\_socket Path to the Dovecot auth socket "/var/run/dovecot/auth-login"
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33 auth\_append\_host If true, sends the bare JID as authzid. false
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35 The Dovecot user and group must have access to connect to this socket.
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36 You can create a new dedicated socket for Prosody too. Add the below to
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37 the *socket listen* section of /etc/dovecot/dovecot.conf, and match the
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38 socket path in Prosody's dovecot\_auth\_socket setting.
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40 service auth {
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41 unix_listener /var/spool/prosody/private/auth-client {
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42 mode = 0660
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43 user = prosody
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44 group = prosody
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45 }
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46 }
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48 Make sure the socket directories exist and are owned by the Prosody
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49 user.
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50
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51 Note: Dovecot uses UNIX sockets by default. luasocket is compiled with
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52 UNIX socket on debian/ubuntu by default, but is not on many other
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53 platforms. If you run into this issue, you would need to either
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54 recompile luasocket with UNIX socket support, or use Dovecot 2.x's TCP
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55 socket support.
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57 TCP socket support for Dovecot 2.x
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58 ----------------------------------
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60 Dovecot 2.x includes TCP socket support. These are the relevant
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61 mod\_auth\_dovecot options:
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63 Name Description Default value
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64 --------------------- ------------------------- ----------------------------
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65 dovecot\_auth\_host Hostname to connect to. "127.0.0.1"
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66 dovecot\_auth\_port Port to connect to. *(this value is required)*
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68 Compatibility
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69 =============
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70
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71 ------- -------
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72 trunk Works
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73 0.8 Works
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74 ------- -------