Config: Restrict permissions of OTP config file

This commit is contained in:
Haelwenn (lanodan) Monnier 2023-06-22 00:46:52 +02:00
parent 18a0c923d0
commit 4befb3b1d0

View file

@ -20,6 +20,20 @@ defmodule Pleroma.Config.ReleaseRuntimeProvider do
with_runtime_config =
if File.exists?(config_path) do
# <https://git.pleroma.social/pleroma/pleroma/-/issues/3135>
%File.Stat{mode: mode} = File.lstat!(config_path)
if Bitwise.band(mode, 0o007) > 0 do
raise "Configuration at #{config_path} has world-permissions, execute the following: chmod o= #{config_path}"
end
if Bitwise.band(mode, 0o020) > 0 do
raise "Configuration at #{config_path} has group-wise write permissions, execute the following: chmod g-w #{config_path}"
end
# Note: Elixir doesn't provides a getuid(2)
# so cannot forbid group-read only when config is owned by us
runtime_config = Config.Reader.read!(config_path)
with_defaults