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Config File

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This commit is contained in:
Michel Roegl-Brunner 2025-05-20 09:32:54 +02:00
parent 09273f00dd
commit ece6c7c07b
1 changed files with 39 additions and 5 deletions
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44
misc/config-file.func
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@ -265,6 +265,7 @@ config_file() {
local ip_cidr_regex='^([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/([0-9]{1,2})$'
local ip_regex='^([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$'
ip_range_regex="^([0-9]{1,3}\.){3}[0-9]{1,3}/[0-9]{1,2}-([0-9]{1,3}\.){3}[0-9]{1,3}/[0-9]{1,2}$"
if [[ -n ${NET-} ]]; then
if [ "$NET" == "dhcp" ]; then
@ -279,13 +280,46 @@ config_file() {
else
msg_error "Invalid IP Address format for Gateway. Needs to be 0.0.0.0, was ${GATE}"
exit
fi
else
msg_error "Gateway IP Address cannot be empty"
exit
fi
elif [[ "$NET" =~ $ip_range_regex ]]; then
base="${BASH_REMATCH[1]}"
start="${BASH_REMATCH[2]}"
end="${BASH_REMATCH[4]}"
cidr="${BASH_REMATCH[3]}"
msg_info "Checking IPs from $base.$start/$cidr to $base.$end/$cidr"
for ((i=start; i<=end; i++)); do
ip="$base.$i"
if ! ping -c 1 -W 1 "$ip" > /dev/null 2>&1; then
NET="$ip/$cidr"
msg_ok "Selected unused IP: $NET"
break
fi
done
if [[ ! "$NET" =~ / ]]; then
msg_error "No free IP found in range"
exit 1
fi
if [ -n "$GATE" ]; then
if [[ "$GATE" =~ $ip_regex ]]; then
echo -e "${GATEWAY}${BOLD}${DGN}Gateway IP Address: ${BGN}$GATE${CL}"
GATE=",gw=$GATE"
else
msg_error "Invalid IP Address format for Gateway. Needs to be 0.0.0.0, was ${GATE}"
exit
fi
else
msg_error "Gateway IP Address cannot be empty"
exit
fi
else
msg_error "Gateway IP Address cannot be empty"
exit
fi
else
msg_error "Invalid IP Address format. Needs to be 0.0.0.0/0, was ${NET}"
msg_error "Invalid IP Address format. Needs to be 0.0.0.0/0 or a range like 10.0.0.1/24-10.0.0.10/24, was ${NET}"
exit
fi
else