#!/usr/bin/env bash # runs as root inside the netns + a private mount ns; drops privs, execs cmd. set -euo pipefail # /etc/resolv.conf is a symlink to the systemd stub (127.0.0.53, unreachable # in the netns). Replace with a real file (private mount ns) so bwrap # children see the fix too: bwrap's --ro-bind /etc is non-recursive and # cannot bind over a dangling symlink. rm -f /etc/resolv.conf cp "$NETVM_RESOLV" /etc/resolv.conf exec setpriv --reuid="$NETVM_UID" --regid="$NETVM_GID" --clear-groups \ env HOME="$NETVM_HOME" "$@"