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wgkey: new package

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This is a replacement for the key-related parts
of the wireguard-go wgcfg package.

This is almost a straight copy/paste from the wgcfg package.
I have slightly changed some of the exported functions and types
to avoid stutter, added and tweaked some comments,
and removed some now-unused code.

To avoid having wireguard-go depend on this new package,
wgcfg will keep its key types.

We translate into and out of those types at the last minute.
These few remaining uses will be eliminated alongside
the rest of the wgcfg package.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder
2020-12-29 17:22:56 -08:00
committed by Josh Bleecher Snyder
parent 13b554fed9
commit 56a7652dc9
19 changed files with 455 additions and 67 deletions
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11
wgengine/magicsock/magicsock_test.go
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@@ -42,6 +42,7 @@ import (
"tailscale.com/types/key"
"tailscale.com/types/logger"
"tailscale.com/types/nettype"
"tailscale.com/types/wgkey"
"tailscale.com/wgengine/filter"
"tailscale.com/wgengine/tstun"
)
@@ -119,7 +120,7 @@ func runDERPAndStun(t *testing.T, logf logger.Logf, l nettype.PacketListener, st
// necessary to send and receive packets to test e2e wireguard
// happiness.
type magicStack struct {
privateKey wgcfg.PrivateKey
privateKey wgkey.Private
epCh chan []string // endpoint updates produced by this peer
conn *Conn // the magicsock itself
tun *tuntest.ChannelTUN // TUN device to send/receive packets
@@ -133,7 +134,7 @@ type magicStack struct {
func newMagicStack(t testing.TB, logf logger.Logf, l nettype.PacketListener, derpMap *tailcfg.DERPMap) *magicStack {
t.Helper()
privateKey, err := wgcfg.NewPrivateKey()
privateKey, err := wgkey.NewPrivate()
if err != nil {
t.Fatalf("generating private key: %v", err)
}
@@ -347,7 +348,7 @@ func TestNewConn(t *testing.T) {
}
defer conn.Close()
conn.SetDERPMap(stuntest.DERPMapOf(stunAddr.String()))
conn.SetPrivateKey(wgcfg.PrivateKey(key.NewPrivate()))
conn.SetPrivateKey(wgkey.Private(key.NewPrivate()))
conn.Start()
go func() {
@@ -457,11 +458,11 @@ func makeConfigs(t *testing.T, addrs []netaddr.IPPort) []wgcfg.Config {
var addresses [][]netaddr.IPPrefix
for i := range addrs {
privKey, err := wgcfg.NewPrivateKey()
privKey, err := wgkey.NewPrivate()
if err != nil {
t.Fatal(err)
}
privKeys = append(privKeys, privKey)
privKeys = append(privKeys, wgcfg.PrivateKey(privKey))
addresses = append(addresses, []netaddr.IPPrefix{
parseCIDR(t, fmt.Sprintf("1.0.0.%d/32", i+1)),