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feat: peer wireguard #2445

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Merged
merged 11 commits into from
Jun 24, 2022
Merged

feat: peer wireguard #2445

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2361e15
feat: peer wireguard
coadler Jun 10, 2022
ccd4217
disable wireguard on agent tests
coadler Jun 22, 2022
b1805a2
fixup! disable wireguard on agent tests
coadler Jun 22, 2022
2d53eaa
fixup! disable wireguard on agent tests
coadler Jun 22, 2022
c85a6e9
some stuff
coadler Jun 22, 2022
05abed3
Add comments and minor renames to peerwg (#2609)
kylecarbs Jun 23, 2022
14665de
change handshake separator
coadler Jun 23, 2022
2591ffc
cleanup
coadler Jun 23, 2022
f7a827d
fixup! cleanup
coadler Jun 23, 2022
f22156e
Merge branch 'main' into colin/wireguard-peer
coadler Jun 23, 2022
faad97f
fix down migration
coadler Jun 23, 2022
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change handshake separator
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@coadler
coadler committed Jun 23, 2022
commit 14665deba195fe306ae6a3e085fbecfd579b8bac
11 changes: 9 additions & 2 deletions peer/peerwg/derp.go
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Original file line number Diff line number Diff line change
@@ -1,6 +1,11 @@
package peerwg

import "tailscale.com/tailcfg"
import (
"net"

"tailscale.com/tailcfg"
"tailscale.com/wgengine/magicsock"
)

// This is currently set to use Tailscale's DERP server in DFW while we build in
// our own support for DERP servers.
Expand Down Expand Up @@ -57,4 +62,6 @@ var DerpMap = &tailcfg.DERPMap{
OmitDefaultRegions: true,
}

const DefaultDerpHome = "127.3.3.40:9"
// DefaultDerpHome is the ipv4 representation of a DERP server. The port is the
// DERP id. We only support using DERP 9 for now.
var DefaultDerpHome = net.JoinHostPort(magicsock.DerpMagicIP, "9")
4 changes: 2 additions & 2 deletions peer/peerwg/peermessage.go → peer/peerwg/handshake.go
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Expand Up @@ -10,7 +10,7 @@ import (
"tailscale.com/types/key"
)

const handshakeSeparator byte = '\n'
const handshakeSeparator byte = '|'

// Handshake is a message received from a wireguard peer, indicating
// it would like to connect.
Expand Down Expand Up @@ -88,7 +88,7 @@ func (h Handshake) MarshalText() ([]byte, error) {

// Ensure we're always allocating exactly enough.
if buf.Len() != expectedLen {
panic("buffer length mismatch: want 221, got " + strconv.Itoa(buf.Len()))
panic("buffer length mismatch: want 223, got " + strconv.Itoa(buf.Len()))
}
return buf.Bytes(), nil
}