Doing some debugging on an issue with the routes not working from gat…

…eway hosted IPs

ndppd.conf-dist

@@ -91,6 +91,13 @@ proxy eth0 {
 
       auto
 
+      # autovia <yes|no|true|false>
+      # Any addresses updated using NDP advertisments will use a gateway to
+      # route traffic on this particular interface (only works wiith the iface
+      # rule type). Default is no
+
+      autovia no
+
       # Note that before version 0.2.2 of 'ndppd', if you didn't choose a
       # method, it defaulted to 'static'. For compatibility reasons we choose
       # to keep this behavior - for now (it may be removed in a future version).

src/address.cc

@@ -132,6 +132,21 @@ bool address::operator!=(const address& addr) const
               ((_addr.s6_addr32[3] ^ addr._addr.s6_addr32[3]) & _mask.s6_addr32[3]));
 }
 
+bool address::is_empty() const
+{
+    if (_addr.s6_addr32[0] == 0 &&
+        _addr.s6_addr32[1] == 0 &&
+        _addr.s6_addr32[2] == 0 &&
+        _addr.s6_addr32[3] == 0 &&
+        _mask.s6_addr32[0] == 0xffffffff &&
+        _mask.s6_addr32[1] == 0xffffffff &&
+        _mask.s6_addr32[2] == 0xffffffff &&
+        _mask.s6_addr32[3] == 0xffffffff)
+        return true;
+
+    return false;
+}
+
 void address::reset()
 {
     _addr.s6_addr32[0] = 0;
@@ -321,6 +336,10 @@ bool address::is_multicast() const
 
 bool address::is_unicast() const
 {
+    if (_addr.s6_addr32[2] == 0 &&
+        _addr.s6_addr32[3] == 0)
+        return false;
+
     return _addr.s6_addr[0] != 0xff;
 }
 
@@ -360,7 +379,8 @@ void address::load(const std::string& path)
             ifs.getline(buf, sizeof(buf));
 
             if (ifs.gcount() < 53) {
-                logger::debug() << "skipping entry (size=" << ifs.gcount() << ")";
+                if (ifs.gcount() > 0)
+                    logger::debug() << "skipping entry (size=" << ifs.gcount() << ")";
                 continue;
             }
 

src/address.h

@@ -56,6 +56,8 @@ class address {
     bool operator!=(const address& addr) const;
 
     void reset();
+
+    bool is_empty() const;
 
     const std::string to_string() const;