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* tunnel: blackhole sockets when there's going to be a sure routing loopJason A. Donenfeld2019-10-211-8/+9
| | | | | | | | This prevents against common mishaps when changing from a wifi network that supports v6 to one that doesn't. Reported-by: Jonathan Tooker <jonathan.tooker@netprotect.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* Revert "tunnel: check for endpoint interfaces and media connection state"Jason A. Donenfeld2019-10-091-3/+1
| | | | | | | | This reverts commit cf6f599a4a65e89929ffc12982346c8e9012552c. It broke people's setups. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tunnel: check for endpoint interfaces and media connection stateJason A. Donenfeld2019-10-011-1/+3
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tunnel: smooth bursts from windows network notifiersJason A. Donenfeld2019-10-011-5/+25
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tunnel: windows does not always add/remove routes with up/down interfaceJason A. Donenfeld2019-10-011-5/+17
| | | | | | | | | | | | | | | | On Linux, we're used to routes being added after an interface is up, and routes being removed as a consequence of an interface going down. On Windows, this isn't always the case, at least not from the perspective of the route notifiers. In order to work around this and make a multi-interface model coherent, we search for a new default route not only whenever the routing table changes but also whenever any interface link parameters change, such as up/down. The practical consequence is that now WireGuard connects properly when wifi is disconnected and then reconnected. Reported-by: Nenad Kozul <me@nenadkozul.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tunnel: wait for IP service to attach to wintunJason A. Donenfeld2019-06-181-38/+18
| | | | | | | | This helps fix startup races without needing to poll, as well as reconfiguring interfaces after wintun destroys and re-adds. It also deals gracefully with IPv6 being disabled. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* global: cleanup TODO comment spacingJason A. Donenfeld2019-06-071-1/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tunnel: make tcp/ip waiting explicitJason A. Donenfeld2019-05-311-18/+5
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tunnel: logical simplificationJason A. Donenfeld2019-05-291-1/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tunnel: allow for disabled ipv6Jason A. Donenfeld2019-05-291-14/+12
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* winipcfg: importJason A. Donenfeld2019-05-221-22/+23
| | | | | | | | We'll maintain this as part of the same repo here. Later maybe we'll push it into x/sys/windows. Signed-off-by: Simon Rozman <simon@rozman.si> Signed-off-by: Aleksandar Pesic <peske.nis@gmail.com>
* service: split into tunnel and managerJason A. Donenfeld2019-05-201-0/+150
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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