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Denton Gentry 1896bf99d9 netns_linux: No namespace for localhost. ... Connections to a control server or log server on localhost, used in a number of tests, are working right now because the calls to SO_MARK in netns fail for non-root but then we ignore the failure when running in tests. Unfortunately that failure in SO_MARK also affects container environments without CAP_NET_ADMIN, breaking Tailscale connectivity. We're about to fix netns to recognize when SO_MARK doesn't work and use SO_BINDTODEVICE instead. Doing so makes tests fail, as their sockets now BINDTODEVICE of the default route and cannot connect to localhost. Add support to skip namespacing for localhost connections, which Darwin and Windows already do. This is not conditional on running within a test, if you tell tailscaled to connect to localhost it will automatically use a non-namespaced socket to do so. Signed-off-by: Denton Gentry <dgentry@tailscale.com>		3 years ago
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netns.go	netns_linux: No namespace for localhost.	3 years ago
netns_android.go	net/netns: add Android implementation, allowing registration of JNI hook	3 years ago
netns_darwin_tailscaled.go	net/{interfaces,netns}: change which build tag means mac/ios Network/System Extension	3 years ago
netns_default.go	net/{interfaces,netns}: change which build tag means mac/ios Network/System Extension	3 years ago
netns_linux.go	netns_linux: No namespace for localhost.	3 years ago
netns_linux_test.go	net/netns, net/interfaces: move defaultRouteInterface, add Android fallback	4 years ago
netns_macios.go	net/dns{,/resolver}: refactor DNS forwarder, send out of right link on macOS/iOS	3 years ago
netns_test.go	netns_linux: No namespace for localhost.	3 years ago
netns_windows.go	net/netns: remove use of unsafe on Windows	4 years ago
socks.go	net/netns: move SOCKS dialing to netns for now	4 years ago