Neil Alexander
a92e6c2588
Merge pull request #29 from Arceliar/netlink
...
Linux: use netlink instead of ip
2018-03-04 10:47:34 +00:00
Arceliar
5ec6265a70
use netlink instead of ip commands to set address/mtu and bring up the tuntap device on linux
2018-03-03 16:41:36 -06:00
Arceliar
0460fdd301
panic if tun.write or tun.read returns an error and was launched from debug.go, since there's no way to recover in these scenarios
2018-03-03 13:56:26 -06:00
Arceliar
a367f2ca17
gofmt
2018-03-03 11:49:24 -06:00
Arceliar
0578a9f273
manual merge
2018-03-03 11:07:08 -06:00
Neil Alexander
4e5627f933
Update default interface MTU to use per-platform instead of global value
2018-03-03 12:43:39 +00:00
Neil Alexander
4917ea3dd2
Per-platform TUN defaults
2018-03-03 12:30:54 +00:00
Neil Alexander
bec898a326
Don't allow exceeding maximum MTU for a given platform
2018-03-03 11:47:14 +00:00
Neil Alexander
7c0102e43d
Be a little bit less verbose on OpenBSD
2018-03-01 15:31:49 +00:00
Neil Alexander
6640b33334
Fix using 'auto' as device name on OpenBSD - default to /dev/tap0
2018-03-01 15:19:20 +00:00
Neil Alexander
24be3f1d67
Turns out FreeBSD is a bit different so restrict this to OpenBSD for now
2018-03-01 15:11:12 +00:00
Neil Alexander
90393ae03b
Set interface flags properly on OpenBSD
2018-03-01 15:02:53 +00:00
Neil Alexander
9e4d169208
Set interface IP and MTU on BSD
2018-03-01 13:37:05 +00:00
Neil Alexander
f8dda26dba
Add BSD support (openbsd, freebsd, solaris)
2018-03-01 11:49:49 +00:00
Neil Alexander
ebc4eacee4
Allow sane defaults on setTunTap
2018-02-28 15:27:58 +00:00
Neil Alexander
fdd32b9571
Add setTunTap
2018-02-28 15:15:57 +00:00
Neil Alexander
2b48fd1fce
Add addPeer to admin socket
2018-02-28 13:43:06 +00:00
Arceliar
ddc4773b19
don't drop send/recv traffic going through the crypto workers, just block until they're free (TODO run further tests to make sure this doesn't cycle/deadlock)
2018-02-26 18:12:28 -06:00
Arceliar
63b55cda62
Mostly working PMTU discovery when going over UDP links
2018-02-25 20:24:36 -06:00
Arceliar
0470f6f1c1
cleanup
2018-02-23 13:04:52 -06:00
Arceliar
bb3ae8b39b
temporarily limit PMTU to 2048, as a workaround to some pathelogical behavior where a TCP stream carried over a UDP peer can throttle down to 0 in the presence of significant packet loss
2018-02-23 12:46:22 -06:00
Arceliar
d3dc7765f2
trying to debug UDP+large MTU issues
2018-02-20 17:31:12 -06:00
Arceliar
a81c361484
tcp reconnect bufix, test with bufio, and switch back to tcp auto-peering by default to continue testing
2018-02-19 23:22:36 -06:00
Arceliar
a21a039b57
remove unused field from peer
2018-02-19 19:47:11 -06:00
Arceliar
4045597516
Use larger UDP chunks for link-local IP and let the OS fragment it. Switch to UDP for link-local peers. Minor code cleanup for TCP.
2018-02-19 19:34:51 -06:00
Arceliar
71150fcb86
ignore root tstamp updates if we just updated, to throttle the rate at which updates (and new signatures) can propagate
2018-02-17 23:57:24 -06:00
Arceliar
a66a29779a
Slightly nicer way to throttle peer announcements
2018-02-17 23:41:42 -06:00
Arceliar
0fc7401635
check root before adding peers to the switch lookupTable, instead of during each lookup
2018-02-17 23:14:23 -06:00
Arceliar
430d49d8a4
send fewer link announcements, fix a ttl encoding bug, and remove unnecessary key field from the wire format for dht req/res
2018-02-17 21:59:08 -06:00
Arceliar
8ba11b86bb
remove duplicate tcp connections
2018-02-17 20:44:23 -06:00
Arceliar
25f00c1c7a
disable keys in link protocol traffic, since these are already known, *breaks backwards compat*
2018-02-17 20:30:59 -06:00
Arceliar
da44ec282f
Add a rumor mill to throttle dht maintenance traffic
2018-02-17 17:10:08 -06:00
Neil Alexander
02473158d4
Allow setting IfName to 'none' to run without TUN/TAP
2018-02-15 22:29:13 +00:00
Neil Alexander
366d2af1d3
Fix first queued packet on session pcreation
2018-02-15 18:02:08 +00:00
Neil Alexander
1c59338f01
Fix checksums and packet buffers, sends ICMPv6 Packet Too Big messages successfully now
2018-02-15 13:38:54 +00:00
Neil Alexander
37e4492b86
Send ICMPv6 response to packets larger than session MTU (WIP: checksum wrong?)
2018-02-14 22:59:24 +00:00
Arceliar
a3a9696880
Merge pull request #14 from neilalexander/icmpv6
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Replace ndp.go with icmpv6.go
2018-02-14 11:16:24 -06:00
Neil Alexander
844212e95b
Highlight packets that exceed the agreed session MTU
2018-02-14 14:08:40 +00:00
Neil Alexander
34b264067e
Run gofmt -s -w .
2018-02-14 11:46:10 +00:00
Neil Alexander
0bf43b758f
Split create_icmpv6 into create_icmpv6_tun and create_icmpv6_tap
2018-02-14 11:39:55 +00:00
Neil Alexander
d78e0f7067
Improve icmpv6.go
...
- Now doesn't use unsafe
- Much cleaner
- Doesn't run in a goroutine perpetually
- Has a function to create ICMPv6 packets
2018-02-14 11:23:46 +00:00
Neil Alexander
6571a8c300
Don't use channels for ICMPv6 packets
2018-02-12 20:00:55 +00:00
Neil Alexander
fac4bf796e
Add some error handling and other fixes to icmpv6.go
2018-02-12 19:40:13 +00:00
Neil Alexander
be0d6feeba
Remove ndp.go and add icmpv6.go
2018-02-12 18:19:31 +00:00
Neil Alexander
7a0b48ffb3
Clean up session.go
2018-02-12 00:01:15 +00:00
Neil Alexander
11a7c5c458
Exchange MTU on wire
2018-02-11 23:58:30 +00:00
Neil Alexander
536974f20c
Try to exchange MTUs when creating sessions
2018-02-11 23:09:05 +00:00
Neil Alexander
e9bd98d213
Add "IfTAPMode" configuration option to allow selecting TAP mode on supported platforms
2018-02-11 21:45:44 +00:00
Arceliar
d424489329
add tcp support and use it by default
2018-02-09 17:42:55 -06:00
Arceliar
4acce71468
Merge branch 'master' into bigmtu
2018-02-07 17:49:04 -06:00
Arceliar
e9adf327b0
possibly fix deadlock from race in peer linkloop goroutine, add some related debug code to the admin
2018-02-07 17:48:30 -06:00
Arceliar
b704d7b497
change mtu and enable udp chunking
2018-02-04 11:25:20 -06:00
Arceliar
63aadf6e88
use smaller buffer sizes for buffered channels
2018-02-03 18:44:28 -06:00
Arceliar
2dd8152a0c
reorganize and add more to the admin
2018-01-29 18:48:14 -06:00
Arceliar
c18d863a3e
update comments, mostly TODO/FIXME notes
2018-01-26 17:30:51 -06:00
Neil Alexander
e44f64bea0
Fix MTU issues with TAP adapters
2018-01-25 17:44:56 +00:00
Arceliar
d52fab8af6
disable/enable the tap device at startup to clear any old settings, e.g. old addresses
2018-01-24 21:14:26 -06:00
Arceliar
06e3c8c997
if you could go ahead and include your port number in your multicast announcements, that'd be great
2018-01-24 18:45:29 -06:00
Neil Alexander
761e7cdeb0
Remove apparently excessive escaping from netsh in tun_windows.go
2018-01-24 22:37:08 +00:00
Neil Alexander
ff55070458
TAP support added
...
- Supports Windows using OpenVPN NDIS 6 TAP driver
- Supports NDP Neighbor Solicitation and Advertisements in ndp.go
- Supports TAP encapsulation and decapsulation in tun.go
2018-01-24 10:59:01 +00:00
Arceliar
2b7c6eafcd
In admin dot, reverse direction of peer links, include the switch port for each link, and sort the output by coords
2018-01-21 16:19:39 -06:00
Neil Alexander
36f9cc5041
Highlight own node on dot graph
2018-01-21 21:54:50 +00:00
Arceliar
87a4af7841
update admin dot to better handle missing nodes and to direct links towards parent, based on neilalexander's work
2018-01-21 14:58:54 -06:00
Arceliar
625b97c511
add and use a thread-safe way of reading router internal state, and include active sessions in the admin query
2018-01-21 12:55:45 -06:00
Neil Alexander
8ef852469b
Formatting
2018-01-21 17:53:25 +00:00
Neil Alexander
483d90a728
Draw dot draphs (although maybe not very well)
2018-01-21 17:51:51 +00:00
Neil Alexander
c4ac0a90ac
Add the ability to see switch ports and DHT
2018-01-21 12:57:54 +00:00
Neil Alexander
b754d68068
Add an admin socket
2018-01-21 00:17:15 +00:00
Arceliar
502ab3cfaa
check that the source IP inside a packet matches the address or prefix for the session that transmitted it
2018-01-19 17:33:04 -06:00
Arceliar
f929df1ea9
minor performance adjustments
2018-01-18 18:48:34 -06:00
Neil Alexander
62c45e7cc7
Use MTU from interface definition
2018-01-15 14:39:07 +00:00
Neil Alexander
d7be706413
Move to unix.Syscall etc and tidy up
2018-01-15 14:35:37 +00:00
Neil Alexander
5d2dd061f0
Fix definition of SIOCAIFADDR_IN6
2018-01-15 14:14:18 +00:00
Neil Alexander
8e86c4b853
Merge /Users/neilalexander/Desktop/Projects/yggdrasil-go into macos-interface
2018-01-15 11:22:54 +00:00
Arceliar
75965b6da4
Switch connAddr (udp map key) from string to a struct that allocates less. Reduce some other allocations. Use larger channel buffers to reduce backpressure from runtime jitter.
2018-01-13 07:26:26 -06:00
Arceliar
ef1e0c902f
Add regexp to limit which link-local IPv6 zones allow peering, and check that a peer isn't from within the networks address block (prevents accidental tunneling)
2018-01-09 02:08:54 -06:00
Neil Alexander
d69190715f
Added a darwin tun module. It should work, but it doesn't!
2018-01-06 16:39:30 +00:00
Neil Alexander
c3600d14d6
Implement a tun interface to reduce dependency on Water library
2018-01-05 23:35:59 +00:00
Neil Alexander
b3ebe76b59
Run gofmt -s -w .
2018-01-04 22:37:51 +00:00
Neil Alexander
ae7b07ae6a
Move Linux-specific ifname logic to tun_linux.go and place a generic in tun_other.go
2018-01-04 22:34:17 +00:00
Neil Alexander
1c799b305d
Add support for specifying tun device name
2018-01-04 13:31:48 +00:00
Arceliar
e5d526881d
Disable tun panic on IPv4 packets and add a link to a Vyatta router config
2018-01-03 15:27:13 -06:00
Arceliar
82fd435211
Avoid sending unnecessairy udp key packets, and try config peers less often
2018-01-02 18:45:09 -06:00
Arceliar
d7e6d814a0
first code/readme/license commit
2017-12-28 22:16:20 -06:00
