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mod_client_certs/README.md @ 6302:06fbbd45ba75

mod_cloud_notify: Readme: fix links and labels that were removed in the last commit diff --git a/mod_cloud_notify/README.md b/mod_cloud_notify/README.md --- a/mod_cloud_notify/README.md +++ b/mod_cloud_notify/README.md @@ -1,3 +1,9 @@ +---- +-labels: +-- 'Stage-Beta' +-summary: 'XEP-0357: Cloud push notifications' +---- + # Introduction This module enables support for sending "push notifications" to clients @@ -32,15 +38,15 @@ notification to your device. When your d it will display it or wake up the app so it can connect to XMPP and receive any pending messages. -This protocol is described for developers in \[XEP-0357: Push -Notifications\]. +This protocol is described for developers in [XEP-0357: Push +Notifications]. -For this module to work reliably, you must have \[mod_smacks\], -\[mod_mam\] and \[mod_carbons\] also enabled on your server. +For this module to work reliably, you must have [mod_smacks], +[mod_mam] and [mod_carbons] also enabled on your server. Some clients, notably Siskin and Snikket iOS need some additional extensions that are not currently defined in a standard XEP. To support -these clients, see \[mod_cloud_notify_extensions\]. +these clients, see [mod_cloud_notify_extensions]. # Configuration @@ -58,18 +64,18 @@ these clients, see \[mod_cloud_notify_ex # Internal design notes App servers are notified about offline messages, messages stored by -\[mod_mam\] or messages waiting in the smacks queue. The business rules +[mod_mam] or messages waiting in the smacks queue. The business rules outlined [here](//mail.jabber.org/pipermail/standards/2016-February/030925.html) are all honored[^2]. -To cooperate with \[mod_smacks\] this module consumes some events: +To cooperate with [mod_smacks] this module consumes some events: `smacks-ack-delayed`, `smacks-hibernation-start` and `smacks-hibernation-end`. These events allow this module to send out notifications for messages received while the session is hibernated by -\[mod_smacks\] or even when smacks acknowledgements for messages are +[mod_smacks] or even when smacks acknowledgements for messages are delayed by a certain amount of seconds configurable with the -\[mod_smacks\] setting `smacks_max_ack_delay`. +[mod_smacks] setting `smacks_max_ack_delay`. The `smacks_max_ack_delay` setting allows to send out notifications to clients which aren't already in smacks hibernation state (because the
author Menel <menel@snikket.de>
date Fri, 13 Jun 2025 10:44:37 +0200
parent 6003:fe081789f7b5
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1 ---
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2 labels:
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3 - 'Stage-Alpha'
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4 summary: 'Client-side certificate management for Prosody'
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5 ...
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7 Introduction
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8 ============
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9
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10 [XEP-0257](http://xmpp.org/extensions/xep-0257.html) specifies a
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11 protocol for clients to store and manage client side certificates. When
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12 a client presents a stored client side certificate during the TLS
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13 handshake, it can log in without supplying a password (using SASL
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14 EXTERNAL). This makes it possible to have multiple devices accessing an
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15 account, without any of them needing to know the password, and makes it
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16 easier to revoke access for a single device.
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18 Details
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19 =======
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20
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21 Each user can add their own certificates. These do not need to be signed
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22 by a trusted CA, yet they do need to be valid at the time of logging in
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23 and they should include an subjectAltName with otherName
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24 "id-on-xmppAddr" with the JID of the user.
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25
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26 Generating your certificate
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27 ---------------------------
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29 1. To generate your own certificate with a "id-on-xmppAddr" attribute
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30 using the command line `openssl` tool, first create a file called
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31 `client.cnf` with contents:
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33 [req] prompt = no
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34 x509_extensions = v3_extensions
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35 req_extensions = v3_extensions
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36 distinguished_name = distinguished_name
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38 [v3_extensions]
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39 extendedKeyUsage = clientAuth
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40 keyUsage = digitalSignature,keyEncipherment
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41 basicConstraints = CA:FALSE
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42 subjectAltName = @subject_alternative_name
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44 [subject_alternative_name]
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45 otherName.0 =
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46 1.3.6.1.5.5.7.8.5;FORMAT:UTF8,UTF8:hamlet@shakespeare.lit
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47
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48 [distinguished_name]
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49 commonName = Your Name
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50 emailAddress = hamlet@shakespeare.lit
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52 2. Replace the values for `otherName.0` and `commonName` and
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53 `emailAddress` with your own values. The JID in `otherName.0` can
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54 either be a full JID or a bare JID, in the former case, the client
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55 can only use the resource specified in the resource. There are many
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56 other fields you can add, however, for SASL EXTERNAL, they will have
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57 no meaning. You can add more JIDs as `otherName.1`, `otherName.2`,
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58 etc.
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59 3. Create a private key (as an example, a 4096 bits RSA key):
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60
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61 openssl genrsa -out client.key 4096
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62
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63 4. Create the certificate request:
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65 openssl req -key client.key -new -out client.req -config client.cnf -extensions v3_extensions
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67 5. Sign it yourself:
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69 openssl x509 -req -days 365 -in client.req -signkey client.key -out client.crt -extfile client.cnf -extensions v3_extensions
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70
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71 The 365 means the certificate will be valid for a year starting now.
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72
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73 The `client.key` **must** be kept secret, and is only needed by clients
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74 connecting using this certificate. The `client.crt` file contains the
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75 certificate that should be sent to the server using XEP-0257, and is
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76 also needed by clients connecting to the server. The `client.req` file
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77 is not needed anymore.
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78
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79 Configuration
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80 =============
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81
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82 (None yet)
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84 Compatibility
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85 =============
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86
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87 ----- -----------------------------
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88 0.9 Works
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89 0.8 Untested. Probably doesn't.
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90 ----- -----------------------------
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91
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92 Clients
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93 =======
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94
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95 (None?)
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97 TODO
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98 ====
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99
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100 Possible options to add to the configuration:
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101
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102 - Require certificates to be signed by a trusted CA.
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103 - Do not require a id-on-xmppAddr
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104 - Remove expired certs after a certain time
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105 - Limit the number of certificates per user