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It seems like openvpn fills the environment for the updown script only with specific variables, but empties the path. This sets the PATH for all subprocess calls.
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Fixes #2
It seems like OpenVPN fills the environment for the updown script only with specific variables, but leaves the
PATHempty.Maybe this is dependent on OpenVPN version or system configuration, but for me the
ipandiptablesexecutables were not found by the subprocess.This fix justs sets the
PATHmanually for the subprocess calls.