Mercurial > prosody-modules
annotate mod_flash_policy/mod_flash_policy.lua @ 4877:adc6241e5d16
mod_measure_process: Report the enforced limit
The soft limit is what the kernel actually enforces, while the hard
limit is is how far you can change the soft limit without privileges.
Unless the process dynamically adjusts the soft limit, knowing the hard
limit is not as useful as knowing the soft limit.
Reporting the soft limit and the number of in-use FDs allows placing
alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author | Kim Alvefur <zash@zash.se> |
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date | Tue, 18 Jan 2022 18:55:20 +0100 |
parents | 7dbde05b48a9 |
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1 local filters = require "util.filters"; |
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2 local config = {} |
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3 config.file = module:get_option_string("crossdomain_file", ""); |
395 | 4 config.string = module:get_option_string("crossdomain_string", [[<?xml version="1.0"?><!DOCTYPE cross-domain-policy SYSTEM "/xml/dtds/cross-domain-policy.dtd"><cross-domain-policy><site-control permitted-cross-domain-policies="master-only"/><allow-access-from domain="*" /></cross-domain-policy>]]); |
394
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5 local string = '' |
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6 if not config.file ~= '' then |
395 | 7 local f = assert(io.open(config.file)); |
8 string = f:read("*all"); | |
394
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9 else |
395 | 10 string = config.string |
394
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11 end |
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12 |
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13 module:log("debug", "crossdomain string: "..string); |
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14 |
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15 module:set_global(); |
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16 |
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17 function filter_policy(data, session) |
395 | 18 -- Since we only want to check the first block of data, remove the filter |
19 filters.remove_filter(session, "bytes/in", filter_policy); | |
20 if data == "<policy-file-request/>\0" then | |
21 session.send(string.."\0"); | |
22 return nil; -- Drop data to prevent it reaching the XMPP parser | |
23 else | |
24 return data; -- Pass data through, it wasn't a policy request | |
25 end | |
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all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
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26 |
394
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27 end |
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28 |
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29 function filter_session(session) |
395 | 30 if session.type == "c2s_unauthed" then |
31 filters.add_filter(session, "bytes/in", filter_policy, -1); | |
32 end | |
394
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33 end |
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34 |
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35 function module.load() |
395 | 36 filters.add_filter_hook(filter_session); |
394
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37 end |
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38 |
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39 function module.unload() |
395 | 40 filters.remove_filter_hook(filter_session); |
379 | 41 end |