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54 Commits

Author SHA1 Message Date
travis laduke
a6742b7f82 Prevent shadowing VM routes as default route (macOS) 
If you have a VM host like parallels, sometimes you get these link-local
default routes:

```
netstat -nrfinet | grep "default\|\/1"
0/1                10.2.0.12          UGScg        feth4823
default            192.168.82.1       UGScg             en1
0/1                192.168.82.1       UGScIg            en1
default            link#22            UCSIg       bridge101      !
128.0/1            10.2.0.12          UGSc         feth4823
128.0/1            192.168.82.1       UGScI             en1
```

(the link#22 one)

The _getRTEs function inclused these routes in the list it makes as like:

device: bridge101, target: 0.0.0.0/0

If it happens to be first in the list, bridge101 gets
selected as the default route.

Then Full Tunnel Mode doesn't work.

The other routes in the list are like:
device: en1 target: 192.168.1.0/24 via:  metric: 0 ifscope: 0
device: en1 target: 192.168.1.1/32 via:  metric: 0 ifscope: 0

We only need the device name from this, so either one will work.
 2022-12-23 16:18:00 -08:00
Sean OMeara
10170b41c3 Revert "Improve default route on macOS (#1680)" 
This reverts commit 117d7194af.
 2022-12-13 18:32:07 +01:00
Travis LaDuke
117d7194af Improve default route on macOS (#1680) 
re: issue #1088
and probably: https://discuss.zerotier.com/t/default-route-issue-osx-monterey-m1/6974

// current zerotier.
// allow default adds two sets of routes.
```
netstat -rnfinet | grep "/1\|default" | sort
0/1                10.2.0.2           UGScg        feth4823
0/1                192.168.82.1       UGScIg            en7
128.0/1            10.2.0.2           UGSc         feth4823
128.0/1            192.168.82.1       UGScI             en7
default            192.168.82.1       UGScg             en7
```

Then, something chaotic happens eventually, and networking stops working.

// after patch
```
netstat -rnfinet | grep "/1\|default" | sort
0/1                10.2.0.2           UGScg        feth4823
128.0/1            10.2.0.2           UGSc         feth4823
default            192.168.82.1       UGScg             en7
```

After the change, I can still:
- use default route
- route to other subnets

I tested on high sierra through monterey
and on freebsd13.1
 2022-12-13 11:52:21 +01:00
Travis LaDuke
fa25b45198 Keep interface name on via routes on linux 
See issue #1498
 2022-01-07 11:58:42 -08:00
staphen
1c956494a4 Use lowercase when including Windows headers 2021-12-29 16:29:08 -05:00
Adam Ierymenko
fabfb10b97 Remove managed routes in destructor (regression fix). 2021-11-15 19:48:07 -05:00
Adam Ierymenko
594853e251 Remove deprecated vfork call on Mac, and make Mac route application more robust. 2021-10-26 22:15:06 -04:00
Adam Ierymenko
d2c3ea6901 Another route fix on BSD. 2021-09-15 13:31:18 -04:00
Adam Ierymenko
6bb1598fa3 Another fix for routing and interface issues on MacOS 2021-09-15 11:50:54 -04:00
Adam Ierymenko
1b8917a57c Fix for MacOS interface setup and config timing bugs. 2021-09-09 09:30:48 -04:00
Adam Ierymenko
d1c88971ae Possible Mac route borking fix. 2021-09-02 15:23:26 -04:00
Dave Cottlehuber
b37e9de24d BSD: add debug fprintfs for external commands 2021-04-15 06:37:01 +00:00
Adam Ierymenko
250f0ef9db Remove dead code. 2020-11-16 13:51:27 -05:00
Adam Ierymenko
4aab9121d9 Linux build fixes, and new route code seems to work. 2020-11-13 22:25:12 -05:00
Adam Ierymenko
5ea7ef6b65 Rework Linux route setting to actually consult netlink interface. 2020-11-13 22:06:58 -05:00
Adam Ierymenko
e8be28734b Linux netlink and route setting... work in progress. 2020-11-13 19:07:54 -05:00
Adam Ierymenko
6c5a097711 Use LinuxNetLink for routes on Linux... still needs testing/debugging on an actual Linux machine. 2020-11-13 18:16:14 -05:00
Adam Ierymenko
52679d2784 Simplify and fix managed route logic. 2020-11-02 19:02:07 -05:00
Adam Ierymenko
06730c7d1d BSL date bump 2020-08-20 12:51:39 -07:00
Adam Ierymenko
52a166a71f Relicense: GPLv3 -> ZeroTier BSL 1.1 2019-08-23 09:23:39 -07:00
Joseph Henry
0e597191b8 Updated licenses for 2019 2019-01-14 10:25:53 -08:00
Joseph Henry
e01c0adff2 Added ifdef checks to omit some ManagedRoute code in SDK builds 2018-08-01 17:17:04 -07:00
Adam Ierymenko
fa7e7fc6f9 Revert fix for GitHub issue #600 because it causes route objects to build up forever (at least on Mac). Bleh. #600 is a rare issue and will need some other fix after reliable duplication. 2018-07-20 15:53:19 -07:00
Joseph Henry
2e1bc6e500 Cleaned up old code for attempted fix for ticket #600 2018-01-09 09:59:55 -08:00
Adam Ierymenko
65c07afe05 Copyright updates for 2018. 2018-01-08 14:33:28 -08:00