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Disable tun panic on IPv4 packets and add a link to a Vyatta router config

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Arceliar 2018-01-03 15:27:13 -06:00
parent 82fd435211
commit e5d526881d
2 changed files with 3 additions and 1 deletions
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2
README.md
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@ -50,6 +50,8 @@ In practice, you probably want to run this instead:
This keeps a persistent set of keys (and by extension, IP address) and gives you the option of editing the configuration file. This keeps a persistent set of keys (and by extension, IP address) and gives you the option of editing the configuration file.
If you want to use it as an overlay network on top of e.g. the internet, then you can do so by adding the remote devices domain/address and port (as a string, e.g. `"1.2.3.4:5678"`) to the list of `Peers` in the configuration file. If you want to use it as an overlay network on top of e.g. the internet, then you can do so by adding the remote devices domain/address and port (as a string, e.g. `"1.2.3.4:5678"`) to the list of `Peers` in the configuration file.
A [Vyatta-based](https://github.com/neilalexander/vyatta-yggdrasil) router configuration is also available.
## Optional: advertise a prefix locally ## Optional: advertise a prefix locally
Suppose a node has generated the address: `fd00:1111:2222:3333:4444:5555:6666:7777` Suppose a node has generated the address: `fd00:1111:2222:3333:4444:5555:6666:7777`

2
src/yggdrasil/tun.go
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@ -42,7 +42,7 @@ func (tun *tunDevice) read() error {
if buf[0] & 0xf0 != 0x60 || if buf[0] & 0xf0 != 0x60 ||
n != 256*int(buf[4]) + int(buf[5]) + IPv6_HEADER_LENGTH { n != 256*int(buf[4]) + int(buf[5]) + IPv6_HEADER_LENGTH {
// Either not an IPv6 packet or not the complete packet for some reason // Either not an IPv6 packet or not the complete packet for some reason
panic("Should not happen in testing") //panic("Should not happen in testing")
continue continue
} }
packet := append(util_getBytes(), buf[:n]...) packet := append(util_getBytes(), buf[:n]...)