From e35bbb1e88e52f123c3e2f1d2bdbe2f704d0abe9 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Tue, 22 Dec 2020 02:11:52 +0000
Subject: ban lists may now include subnets

---
 src/p2p/net_node.inl | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'src/p2p')

diff --git a/src/p2p/net_node.inl b/src/p2p/net_node.inl
index 128d17155..0bd971f92 100644
--- a/src/p2p/net_node.inl
+++ b/src/p2p/net_node.inl
@@ -481,13 +481,19 @@ namespace nodetool
       std::istringstream iss(banned_ips);
       for (std::string line; std::getline(iss, line); )
       {
+        auto subnet = net::get_ipv4_subnet_address(line);
+        if (subnet)
+        {
+          block_subnet(*subnet, std::numeric_limits<time_t>::max());
+          continue;
+        }
         const expect<epee::net_utils::network_address> parsed_addr = net::get_network_address(line, 0);
-        if (!parsed_addr)
+        if (parsed_addr)
         {
-          MERROR("Invalid IP address: " << line << " - " << parsed_addr.error());
+          block_host(*parsed_addr, std::numeric_limits<time_t>::max());
           continue;
         }
-        block_host(*parsed_addr, std::numeric_limits<time_t>::max());
+        MERROR("Invalid IP address or IPv4 subnet: " << line);
       }
     }
 
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