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-rw-r--r--node/SelfAwareness.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/node/SelfAwareness.cpp b/node/SelfAwareness.cpp
index 00015788..716cf7f3 100644
--- a/node/SelfAwareness.cpp
+++ b/node/SelfAwareness.cpp
@@ -147,4 +147,19 @@ void SelfAwareness::clean(uint64_t now)
}
}
+bool SelfAwareness::areGlobalIPv4PortsRandomized() const
+{
+ int port = 0;
+ Mutex::Lock _l(_phy_m);
+ for(std::map< PhySurfaceKey,PhySurfaceEntry >::const_iterator p(_phy.begin());p!=_phy.end();++p) {
+ if ((p->first.scope == InetAddress::IP_SCOPE_GLOBAL)&&(p->second.mySurface.ss_family == AF_INET)) {
+ const int tmp = (int)p->second.mySurface.port();
+ if ((port)&&(tmp != port))
+ return true;
+ else port = tmp;
+ }
+ }
+ return false;
+}
+
} // namespace ZeroTier