Mercurial > prosody-modules
annotate mod_c2s_limit_sessions/mod_c2s_limit_sessions.lua @ 4651:8231774f5bfd
mod_cloud_notify_encrypted: Ensure body substring remains valid UTF-8
The `body:sub()` call risks splitting the string in the middle of a
multi-byte UTF-8 sequence. This should have been caught by util.stanza
validation, but that would have caused some havoc, at the very least causing
the notification to not be sent.
There have been no reports of this happening. Likely because this module
isn't widely deployed among users with languages that use many longer UTF-8
sequences.
The util.encodings.utf8.valid() function is O(n) where only the last
sequence really needs to be checked, but it's in C and expected to be fast.
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 22 Aug 2021 13:22:59 +0200 |
parents | f581210093a7 |
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1365
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
parents:
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1 -- mod_c2s_limit_sessions |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
parents:
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2 |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
parents:
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3 local next, count = next, require "util.iterators".count; |
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Kim Alvefur <zash@zash.se>
parents:
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4 |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
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5 local max_resources = module:get_option_number("max_resources", 10); |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
parents:
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6 |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
parents:
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7 local sessions = hosts[module.host].sessions; |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
parents:
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8 module:hook("resource-bind", function(event) |
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Kim Alvefur <zash@zash.se>
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9 local session = event.session; |
f581210093a7
mod_c2s_limit_sessions: Fix global access
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10 if count(next, sessions[session.username].sessions) > max_resources then |
1365
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Kim Alvefur <zash@zash.se>
parents:
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11 session:close{ condition = "policy-violation", text = "Too many resources" }; |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
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12 return false |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
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parents:
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13 end |
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mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
parents:
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14 end, -1); |