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_list_etc_network_interfaces() {
local file
for file in /etc/network/interfaces /etc/network/interfaces.d/*; do
if ! [ -f "$file" ]; then
continue
fi
case "${file##*/}" in
*[^-a-zA-Z0-9_]*)
continue
;;
esac
echo "$file"
done
}
_add_etc_network_interfaces() {
local file
test -f /etc/network/interfaces || return 0
echo '** Network interface configuration:' >&3
while read file; do
if ! [ -r "$file" ]; then
echo "*** $file: unreadable" >&3
echo >&3
continue
fi
echo "*** $file:" >&3
# Hide passwords/keys
awk '$1 ~ /key|pass|^wpa-(anonymous|identity|phase|pin|private|psk)/ { gsub(".", "*", $2); }
$1 == "ethtool-wol" { gsub(".", "*", $3); }
!/^[[:space:]]*\#/ { print; }
' <"$file" >&3
echo >&3
done < <(_list_etc_network_interfaces)
}
add_network() {
yesno "Include network configuration and status from this computer? " nop
test $REPLY = yep || return 0
_add_etc_network_interfaces
echo '** Network status:' >&3
if command -v ip >/dev/null; then
echo '*** IP interfaces and addresses:' >&3
ip address show >&3
echo >&3
fi
echo '*** Device statistics:' >&3
cat /proc/net/dev >&3
echo >&3
if command -v netstat >/dev/null; then
echo '*** Protocol statistics:' >&3
netstat -s >&3 || true
echo >&3
fi
echo >&3
}
ask_network() {
test $same_system = yep || return 0
test -f /etc/network/interfaces || return 0
yesno "Include network configuration from this computer? " nop
test $REPLY = yep || return 0
_add_etc_network_interfaces
}
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