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This commit is contained in:
Michel Roegl-Brunner 2025-05-20 09:34:59 +02:00
parent d7c78f3269
commit 27da0b98fe
1 changed files with 11 additions and 4 deletions
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15
misc/config-file.func
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@ -285,18 +285,25 @@ config_file() {
msg_error "Gateway IP Address cannot be empty"
exit
fi
elif [[ "$NET" =~ $ip_range_regex ]]; then
elif [[ "$NET" =~ ^([0-9]+\.[0-9]+\.[0-9]+)\.([0-9]+)/([0-9]+)-([0-9]+)/([0-9]+)$ ]]; then
base="${BASH_REMATCH[1]}"
start="${BASH_REMATCH[2]}"
end="${BASH_REMATCH[4]}"
cidr="${BASH_REMATCH[3]}"
cidr_start="${BASH_REMATCH[3]}"
cidr_end="${BASH_REMATCH[5]}"
msg_info "Checking IPs from $base.$start/$cidr to $base.$end/$cidr"
# Optional check: CIDR must match (can be customized)
if [[ "$cidr_start" != "$cidr_end" ]]; then
msg_error "Mismatched CIDR: /$cidr_start and /$cidr_end"
exit 1
fi
msg_info "Checking IPs from $base.$start/$cidr_start to $base.$end/$cidr_start"
for ((i=start; i<=end; i++)); do
ip="$base.$i"
if ! ping -c 1 -W 1 "$ip" > /dev/null 2>&1; then
NET="$ip/$cidr"
NET="$ip/$cidr_start"
msg_ok "Selected unused IP: $NET"
break
fi