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mod_version: Handle access denied from uname()

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Discovered while experimenting with a stricter SystemCallFilter setting
See man:systemd.exec(5)
This commit is contained in:
Kim Alvefur 2024-04-06 14:31:28 +02:00
parent 5550be6381
commit 0987a0113d
1 changed files with 6 additions and 1 deletions
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7
plugins/mod_version.lua
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@ -22,7 +22,12 @@ if not module:get_option_boolean("hide_os_type") then
local os_version_command = module:get_option_string("os_version_command");
local ok, pposix = pcall(require, "prosody.util.pposix");
if not os_version_command and (ok and pposix and pposix.uname) then
platform = pposix.uname().sysname;
local ok, uname = pposix.uname();
if not ok then
module:log("debug", "Could not retrieve OS name: %s", uname);
else
platform = uname.sysname;
end
end
if not platform then
local uname = io.popen(os_version_command or "uname");