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Do not shadow our own route twice on Mac if there is no default route. (Fix for issue found during IPv6 default route override testing.)

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This commit is contained in:
Adam Ierymenko 2016-07-12 08:55:57 -07:00
parent 6535730255
commit 3f2b21ce71
2 changed files with 5 additions and 3 deletions
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4
osdep/ManagedRoute.cpp
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@ -57,6 +57,8 @@
#define ZT_LINUX_IP_COMMAND "/sbin/ip"
#define ZT_LINUX_IP_COMMAND_2 "/usr/sbin/ip"
// NOTE: BSD is mostly tested on Apple/Mac but is likely to work on other BSD too
namespace ZeroTier {
namespace {
@ -413,7 +415,7 @@ bool ManagedRoute::sync()
// Shadow system route if it exists, also delete any obsolete shadows
// and replace them with the new state. sync() is called periodically to
// allow us to do that if underlying connectivity changes.
if ((_systemVia != newSystemVia)||(!strcmp(_systemDevice,newSystemDevice))) {
if ( ((_systemVia != newSystemVia)||(!strcmp(_systemDevice,newSystemDevice))) && (strcmp(_device,newSystemDevice)) ) {
if ((_systemVia)&&(_systemDevice[0])) {
_routeCmd("delete",leftt,_systemVia,_systemDevice,(const char *)0);
_routeCmd("delete",rightt,_systemVia,_systemDevice,(const char *)0);