30 lines
637 B
Bash
Executable File
30 lines
637 B
Bash
Executable File
#!/bin/bash
|
|
|
|
ipset_exists() {
|
|
ipset -L "$1" >/dev/null 2>/dev/null
|
|
}
|
|
|
|
die() {
|
|
echo "error: $@"
|
|
exit 1
|
|
}
|
|
|
|
IPSET_NAME="$1"
|
|
[ -z "$IPSET_NAME" ] && {
|
|
echo "usage: $0 IPSET_NAME"
|
|
exit
|
|
}
|
|
|
|
if ! ipset_exists "$IPSET_NAME"; then
|
|
echo "warn: set $IPSET_NAME doesn't exists, creating it for you..."
|
|
ipset create $IPSET_NAME hash:net || die "failed to create ipset"
|
|
fi
|
|
|
|
list=$(curl -s "https://www.cloudflare.com/ips-v4")
|
|
[ -z "$list" ] && die "failed to fetch cf networks"
|
|
|
|
ipset flush $IPSET_NAME || die "failed to flush $IPSET_NAME"
|
|
for net in $list; do
|
|
ipset add $IPSET_NAME $net || echo "error: failed to add $net to $IPSET_NAME"
|
|
done
|