From a47c3cb16f1c16bc9be555fd7f6bcd34e843f001 Mon Sep 17 00:00:00 2001
From: Joseph Henry <joseph.henry@zerotier.com>
Date: Wed, 1 Jun 2022 14:24:28 -0700
Subject: [PATCH] Exclude temporary IPv6 check from SDK builds

---
 osdep/Binder.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/osdep/Binder.hpp b/osdep/Binder.hpp
index 82568373..49a30cef 100644
--- a/osdep/Binder.hpp
+++ b/osdep/Binder.hpp
@@ -40,7 +40,7 @@
 #endif
 #endif
 
-#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__)
+#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__) && !defined(ZT_SDK)
 #include <net/if.h>
 #include <netinet6/in6_var.h>
 #include <sys/ioctl.h>
@@ -311,7 +311,7 @@ class Binder {
 			if (! gotViaProc) {
 				struct ifaddrs* ifatbl = (struct ifaddrs*)0;
 				struct ifaddrs* ifa;
-#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__)
+#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__) && !defined(ZT_SDK)
 				// set up an IPv6 socket so we can check the state of interfaces via SIOCGIFAFLAG_IN6
 				int infoSock = socket(AF_INET6, SOCK_DGRAM, 0);
 #endif
@@ -320,7 +320,7 @@ class Binder {
 					while (ifa) {
 						if ((ifa->ifa_name) && (ifa->ifa_addr)) {
 							InetAddress ip = *(ifa->ifa_addr);
-#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__)
+#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__) && !defined(ZT_SDK)
 							// Check if the address is an IPv6 Temporary Address, macOS/BSD version
 							if (ifa->ifa_addr->sa_family == AF_INET6) {
 								struct sockaddr_in6* sa6 = (struct sockaddr_in6*)ifa->ifa_addr;
@@ -368,7 +368,7 @@ class Binder {
 				else {
 					interfacesEnumerated = false;
 				}
-#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__)
+#if (defined(__unix__) || defined(__APPLE__)) && !defined(__LINUX__) && !defined(ZT_SDK)
 				close(infoSock);
 #endif
 			}