p2p: store network address directly in blocked host list

rather than their string representation

src/p2p/net_node.h

@@ -248,7 +248,7 @@ namespace nodetool
     void change_max_in_public_peers(size_t count);
     virtual bool block_host(const epee::net_utils::network_address &adress, time_t seconds = P2P_IP_BLOCKTIME);
     virtual bool unblock_host(const epee::net_utils::network_address &address);
-    virtual std::map<std::string, time_t> get_blocked_hosts() { CRITICAL_REGION_LOCAL(m_blocked_hosts_lock); return m_blocked_hosts; }
+    virtual std::map<epee::net_utils::network_address, time_t> get_blocked_hosts() { CRITICAL_REGION_LOCAL(m_blocked_hosts_lock); return m_blocked_hosts; }
 
     virtual void add_used_stripe_peer(const typename t_payload_net_handler::connection_context &context);
     virtual void remove_used_stripe_peer(const typename t_payload_net_handler::connection_context &context);
@@ -462,7 +462,7 @@ namespace nodetool
     epee::critical_section m_conn_fails_cache_lock;
 
     epee::critical_section m_blocked_hosts_lock;
-    std::map<std::string, time_t> m_blocked_hosts;
+    std::map<epee::net_utils::network_address, time_t> m_blocked_hosts;
 
     epee::critical_section m_host_fails_score_lock;
     std::map<std::string, uint64_t> m_host_fails_score;

src/p2p/net_node.inl

@@ -158,7 +158,7 @@ namespace nodetool
   bool node_server<t_payload_net_handler>::is_remote_host_allowed(const epee::net_utils::network_address &address)
   {
     CRITICAL_REGION_LOCAL(m_blocked_hosts_lock);
-    auto it = m_blocked_hosts.find(address.host_str());
+    auto it = m_blocked_hosts.find(address);
     if(it == m_blocked_hosts.end())
       return true;
     if(time(nullptr) >= it->second)
@@ -184,7 +184,7 @@ namespace nodetool
       limit = std::numeric_limits<time_t>::max();
     else
       limit = now + seconds;
-    m_blocked_hosts[addr.host_str()] = limit;
+    m_blocked_hosts[addr] = limit;
 
     // drop any connection to that address. This should only have to look into
     // the zone related to the connection, but really make sure everything is
@@ -214,7 +214,7 @@ namespace nodetool
   bool node_server<t_payload_net_handler>::unblock_host(const epee::net_utils::network_address &address)
   {
     CRITICAL_REGION_LOCAL(m_blocked_hosts_lock);
-    auto i = m_blocked_hosts.find(address.host_str());
+    auto i = m_blocked_hosts.find(address);
     if (i == m_blocked_hosts.end())
       return false;
     m_blocked_hosts.erase(i);

src/p2p/net_node_common.h

@@ -56,7 +56,7 @@ namespace nodetool
     virtual bool for_connection(const boost::uuids::uuid&, std::function<bool(t_connection_context&, peerid_type, uint32_t)> f)=0;
     virtual bool block_host(const epee::net_utils::network_address &address, time_t seconds = 0)=0;
     virtual bool unblock_host(const epee::net_utils::network_address &address)=0;
-    virtual std::map<std::string, time_t> get_blocked_hosts()=0;
+    virtual std::map<epee::net_utils::network_address, time_t> get_blocked_hosts()=0;
     virtual bool add_host_fail(const epee::net_utils::network_address &address)=0;
     virtual void add_used_stripe_peer(const t_connection_context &context)=0;
     virtual void remove_used_stripe_peer(const t_connection_context &context)=0;
@@ -112,9 +112,9 @@ namespace nodetool
     {
       return true;
     }
-    virtual std::map<std::string, time_t> get_blocked_hosts()
+    virtual std::map<epee::net_utils::network_address, time_t> get_blocked_hosts()
     {
-      return std::map<std::string, time_t>();
+      return std::map<epee::net_utils::network_address, time_t>();
     }
     virtual bool add_host_fail(const epee::net_utils::network_address &address)
     {

src/rpc/core_rpc_server.cpp

@@ -1772,15 +1772,15 @@ namespace cryptonote
     PERF_TIMER(on_get_bans);
 
     auto now = time(nullptr);
-    std::map<std::string, time_t> blocked_hosts = m_p2p.get_blocked_hosts();
+    std::map<epee::net_utils::network_address, time_t> blocked_hosts = m_p2p.get_blocked_hosts();
-    for (std::map<std::string, time_t>::const_iterator i = blocked_hosts.begin(); i != blocked_hosts.end(); ++i)
+    for (std::map<epee::net_utils::network_address, time_t>::const_iterator i = blocked_hosts.begin(); i != blocked_hosts.end(); ++i)
     {
       if (i->second > now) {
         COMMAND_RPC_GETBANS::ban b;
-        b.host = i->first;
+        b.host = i->first.host_str();
         b.ip = 0;
         uint32_t ip;
-        if (epee::string_tools::get_ip_int32_from_string(ip, i->first))
+        if (epee::string_tools::get_ip_int32_from_string(ip, b.host))
           b.ip = ip;
         b.seconds = i->second - now;
         res.bans.push_back(b);