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Fixed crash when NetInfo is nil

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This commit is contained in:
Juan Font Alonso 2021-02-24 23:45:27 +01:00
parent d0e54bd59e
commit 562e996996
1 changed files with 8 additions and 1 deletions
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9
machine.go
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@ -95,6 +95,13 @@ func (m Machine) toNode() (*tailcfg.Node, error) {
} }
} }
var derp string
if hostinfo.NetInfo != nil {
derp = fmt.Sprintf("127.3.3.40:%d", hostinfo.NetInfo.PreferredDERP)
} else {
derp = "127.3.3.40:0" // Zero means disconnected or unknown.
}
n := tailcfg.Node{ n := tailcfg.Node{
ID: tailcfg.NodeID(m.ID), // this is the actual ID ID: tailcfg.NodeID(m.ID), // this is the actual ID
StableID: tailcfg.StableNodeID(strconv.FormatUint(m.ID, 10)), // in headscale, unlike tailcontrol server, IDs are permantent StableID: tailcfg.StableNodeID(strconv.FormatUint(m.ID, 10)), // in headscale, unlike tailcontrol server, IDs are permantent
@ -107,7 +114,7 @@ func (m Machine) toNode() (*tailcfg.Node, error) {
Addresses: addrs, Addresses: addrs,
AllowedIPs: allowedIPs, AllowedIPs: allowedIPs,
Endpoints: endpoints, Endpoints: endpoints,
DERP: fmt.Sprintf("127.3.3.40:%d", hostinfo.NetInfo.PreferredDERP), DERP: derp,
Hostinfo: hostinfo, Hostinfo: hostinfo,
Created: m.CreatedAt, Created: m.CreatedAt,