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Append the interface to the gateway address if it is a link-local address

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Signed-off-by: DL6ER <dl6er@dl6er.de>
This commit is contained in:
DL6ER 2023-12-25 22:00:49 +01:00
parent 6e8029f69f
commit 0c6363572b
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GPG key ID: 00135ACBD90B28DD
1 changed files with 12 additions and 5 deletions
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17
advanced/Scripts/piholeDebug.sh
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@ -547,17 +547,24 @@ ping_gateway() {
ping_ipv4_or_ipv6 "${protocol}"
# Check if we are using IPv4 or IPv6
# Find the default gateways using IPv4 or IPv6
local gateway
local gateway gateway_addr gateway_iface
log_write "${INFO} Default IPv${protocol} gateway(s):"
while IFS= read -r gateway; do
log_write " ${gateway}"
done < <(ip -"${protocol}" route | grep default | cut -d ' ' -f 3)
log_write " $(cut -d ' ' -f 3 <<< "${gateway}")%$(cut -d ' ' -f 5 <<< "${gateway}")"
done < <(ip -"${protocol}" route | grep default)
gateway=$(ip -"${protocol}" route | grep default | cut -d ' ' -f 3 | head -n 1)
gateway_addr=$(ip -"${protocol}" route | grep default | cut -d ' ' -f 3 | head -n 1)
gateway_iface=$(ip -"${protocol}" route | grep default | cut -d ' ' -f 5 | head -n 1)
# If there was at least one gateway
if [ -n "${gateway}" ]; then
if [ -n "${gateway_addr}" ]; then
# Append the interface to the gateway address if it is a link-local address
if [[ "${gateway_addr}" =~ ^fe80 ]]; then
gateway="${gateway_addr}%${gateway_iface}"
else
gateway="${gateway_addr}"
fi
# Let the user know we will ping the gateway for a response
log_write " * Pinging first gateway ${gateway}..."
# Try to quietly ping the gateway 3 times, with a timeout of 3 seconds, using numeric output only,