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Update hangup_rx.lua 

Prevent an error if the value of x is nil.
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FusionPBX 2024-10-17 02:29:23 -06:00 committed by GitHub
parent 5459bca44b
commit 581c6177cf
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app/switch/resources/scripts/app/fax/resources/scripts/hangup_rx.lua
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@ -63,6 +63,7 @@
--escape shell arguments to prevent command injection --escape shell arguments to prevent command injection
local function shell_esc(x) local function shell_esc(x)
if (x == nil) then return '' end
return (x:gsub('\\', '\\\\') return (x:gsub('\\', '\\\\')
:gsub('\'', '\\\'')) :gsub('\'', '\\\''))
end end