59 lines
1.7 KiB
Bash
59 lines
1.7 KiB
Bash
|
#!/bin/bash
|
||
|
|
#
|
||
|
|
# Downloads Russian IP ranges and adds them to the nftables 'direct' set
|
||
|
|
# These IPs will be routed directly instead of through the DE proxy
|
||
|
|
#
|
||
|
|
# Run this script:
|
||
|
|
# - Once during initial setup
|
||
|
|
# - Periodically via cron (weekly) to keep ranges updated
|
||
|
|
#
|
||
|
|
# Data source: RIPE NCC delegated statistics
|
||
|
|
#
|
||
|
|
|
||
|
|
set -e
|
||
|
|
|
||
|
|
RIPE_URL="https://ftp.ripe.net/pub/stats/ripencc/delegated-ripencc-extended-latest"
|
||
|
|
TEMP_FILE="/tmp/ripe-delegated.txt"
|
||
|
|
NFT_TABLE="ip vpn-routing"
|
||
|
|
NFT_SET="direct"
|
||
|
|
|
||
|
|
echo "Downloading RIPE delegation data..."
|
||
|
|
curl -s "$RIPE_URL" -o "$TEMP_FILE"
|
||
|
|
|
||
|
|
echo "Parsing Russian IP allocations..."
|
||
|
|
|
||
|
|
# Extract Russian IPv4 allocations and convert to CIDR notation
|
||
|
|
# Format: ripencc|RU|ipv4|start_ip|count|date|status
|
||
|
|
RU_RANGES=$(grep '|RU|ipv4|' "$TEMP_FILE" | while IFS='|' read -r registry cc type start count date status rest; do
|
||
|
|
# Convert count to CIDR prefix length
|
||
|
|
# count is number of IPs, prefix = 32 - log2(count)
|
||
|
|
if [[ "$count" =~ ^[0-9]+$ ]]; then
|
||
|
|
prefix=$(echo "32 - l($count)/l(2)" | bc -l | cut -d. -f1)
|
||
|
|
echo "$start/$prefix"
|
||
|
|
fi
|
||
|
|
done)
|
||
|
|
|
||
|
|
# Count ranges
|
||
|
|
RANGE_COUNT=$(echo "$RU_RANGES" | wc -l)
|
||
|
|
echo "Found $RANGE_COUNT Russian IP ranges"
|
||
|
|
|
||
|
|
echo "Flushing existing 'direct' set..."
|
||
|
|
nft flush set $NFT_TABLE $NFT_SET 2>/dev/null || true
|
||
|
|
|
||
|
|
echo "Adding ranges to nftables set..."
|
||
|
|
# Add in batches for efficiency
|
||
|
|
echo "$RU_RANGES" | while read -r cidr; do
|
||
|
|
if [[ -n "$cidr" ]]; then
|
||
|
|
nft add element $NFT_TABLE $NFT_SET { "$cidr" } 2>/dev/null || true
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
|
||
|
|
# Cleanup
|
||
|
|
rm -f "$TEMP_FILE"
|
||
|
|
|
||
|
|
# Show stats
|
||
|
|
FINAL_COUNT=$(nft list set $NFT_TABLE $NFT_SET 2>/dev/null | grep -c "elements" || echo "0")
|
||
|
|
echo "Done. Set '$NFT_SET' populated with Russian IP ranges."
|
||
|
|
echo ""
|
||
|
|
echo "To verify: nft list set $NFT_TABLE $NFT_SET"
|