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450 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
Adam Ierymenko
ebc1ed4015 Hide warning about readdir_r for now. 2022-12-01 11:07:20 -05:00
Brenton Bostick
3ddaa60de9
prevent: warning: unused variable 'gotViaProc' (#1797) 2022-11-29 17:55:33 +01:00
Grant Limberg
9568a4f2b4 netinet6/in6_var.h not available in iOS 2022-11-10 11:35:34 -08:00
Grant Limberg
b41e0910b0
Fun times in ~~cleveland~~ NDK-land 2022-11-09 11:11:10 -08:00
Joseph Henry
bc521504ca
Improved multipath link monitoring 2022-09-20 14:27:34 -07:00
Joseph Henry
a47c3cb16f
Exclude temporary IPv6 check from SDK builds 2022-06-01 14:24:28 -07:00
Grant Limberg
b65c1ed3a0
Add inja 
Requries update to C++17 standard
 2022-05-13 09:34:15 -07:00
Joseph Henry
6c85f8c7a7
Safely handle disappearing bonded interfaces (See issue #1587) 2022-05-06 14:59:34 -07:00
Adam Ierymenko
56357c077b
Merge pull request #1110 from neheb/patch-1 
LinuxNetLink: Add cerrno header for (str)errno
 2022-03-07 13:53:14 -05:00
Grant Limberg
31c12aebb5
more fun with linux ethernet taps 
older kernels: must set MTU before IFF_UP.
newer kernels: must set MTU *after* IFF_UP
 2022-02-17 09:26:53 -08:00
Adam Ierymenko
bb2b109707
Merge pull request #1559 from zerotier/oldlinux 
potential fix for 2.6.x kernels
 2022-02-11 17:59:53 -05:00
Joseph Henry
c5008031b9
Increase ifname size to accomodate Windows (issue #1560) 2022-02-11 10:08:56 -08:00
Grant Limberg
5d63ed6739
fix function call 2022-02-07 17:14:43 -08:00
Grant Limberg
fdf4ebd43c
potential fix for 2.6.x kernels 
detect if the kernel is super old.  if so, do not execute the post IF_UP commands on the interface
 2022-02-07 17:10:54 -08:00
Sean OMeara
0da00bf546
Merge pull request #1535 from zerotier/linux-route-metric 
Set a high metric on linux routes that have a via.
 2022-01-12 18:41:54 +01:00
Travis LaDuke
692a0e7ac2 Set a high metric on linux routes that have a via. 
See issue #750.

zerotier doesn't currently set a metric on routes. Linux
takes this to mean "0", the highest priority.

Every comment in the issue is about routing between zerotier
and lan and how they conflict.

This quick change could fix this problem for most people.

The subnet route for the zerotier network, the one with no
via, is still 0 in this patch. Just the "via" routes get
higher metrics.
If for some reason, you needed your via routes to have
higher priority, you could use a prefix work-around:

192.168.1.0/25 via 10.147.17.1
192.168.1.128/25 via 10.147.17.1
 2022-01-07 13:10:36 -08:00
Travis LaDuke
fa25b45198 Keep interface name on via routes on linux 
See issue #1498
 2022-01-07 11:58:42 -08:00
Grant Limberg
cc6c48fca8
Merge pull request #1525 from StephenCWills/lowercase-windows-headers 
Use lowercase when including Windows headers
 2022-01-04 17:11:51 -08:00
Grant Limberg
e556a2ee23
Merge pull request #1528 from StephenCWills/android-miniupnpc 
[Android] Fix include for miniupnpc
 2022-01-04 16:56:05 -08:00
staphen
f83eed9ef9
[Android] Fix include for miniupnpc 2022-01-03 12:15:21 -05:00
staphen
1c956494a4
Use lowercase when including Windows headers 2021-12-29 16:29:08 -05:00
Travis LaDuke
afdc91f21f Convince macOS to do ipv6 dns lookups 
Puts a value into System Config, similar to how DNS push works.

closes #1466

https://apple.stackexchange.com/questions/309430/ipv6-dns-resolution-on-macos-high-sierra
 2021-12-13 12:34:41 -08:00
Adam Ierymenko
fabfb10b97
Remove managed routes in destructor (regression fix). 2021-11-15 19:48:07 -05:00
Adam Ierymenko
65549cb0da
Fix the FD leak fix, and release notes. 2021-11-15 18:27:14 -05:00
Adam Ierymenko
0e798222a7
Fix FD leak on MacOS. 2021-11-15 17:17:05 -05:00
Adam Ierymenko
c890f1762a
This code is obsolete but remove vfork anyway. 2021-11-15 14:09:52 -05:00
Adam Ierymenko
c16b03c8b8
Set MAC address twice, once before and once after bringing interface up, since different kernels behave differently (Linux). 2021-11-09 13:28:15 -05:00
Adam Ierymenko
357e1aca54
Likely MAC fix for Linux. 2021-11-09 13:24:03 -05:00
Travis LaDuke
37f26beb50 Fix multicast flag on linux interfaces. 
When we re-ordered the way the interfaces come up, this flag
stopped getting set automatically.

see 9374e45449
and github issue #1477
 2021-11-02 11:28:13 -07:00
Grant Limberg
993e58773a
needed in 2 more spots 2021-10-27 14:58:17 -07:00
Grant Limberg
8f4c038e23
fix ifdef 
wasn't running IPv6 temporary address detection for binding
 2021-10-27 14:48:07 -07:00
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
1a1d7d9ada
Merge branch 'dev' of github.com:zerotier/ZeroTierOne into dev 2021-09-02 15:23:38 -04:00
Adam Ierymenko
d1c88971ae
Possible Mac route borking fix. 2021-09-02 15:23:26 -04:00
Joseph Henry
e1af003e4f
Consolidation of multipath logic. Better system separation 2021-09-01 21:37:49 -07:00
Joseph Henry
b6680b18e7
Merge pull request #1304 from skunkwerks/dev 
BSD: add debug fprintf for all external commands
 2021-08-30 10:11:53 -07:00
Adam Ierymenko
126669b718
MTU fix 2021-08-13 15:12:07 -04:00
Adam Ierymenko
63a44c9268
Fix feth max MTU sysctl. 2021-07-30 18:44:23 -04:00
Travis LaDuke
8866fbd618 Merge branch 'bind' of https://github.com/thoradia/ZeroTierOne into thoradia-bind 2021-06-29 11:22:46 -07:00
Adam Ierymenko
8885149cd3
Revert "Revert "Revert a change to LinuxEthernetTap threading to eliminate out of order packet issues on some systems."" 
This reverts commit 89ddf2991b.
 2021-06-28 19:29:53 -04:00
Adam Ierymenko
89ddf2991b
Revert "Revert a change to LinuxEthernetTap threading to eliminate out of order packet issues on some systems." 
This reverts commit 0461b24db3.
 2021-06-28 17:59:28 -04:00
Adam Ierymenko
0461b24db3
Revert a change to LinuxEthernetTap threading to eliminate out of order packet issues on some systems. 2021-06-28 17:15:34 -04:00
Grant Limberg
1859365f9d same IPv6 temp address detection code for macOS works on FreeBSD. 
update ifdefs & go
 2021-05-27 16:43:12 -04:00
Grant Limberg
ab87b8f881 Don't bind to temporary IPv6 addresses (linux) 2021-05-26 15:50:14 -07:00