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derp/derphttp: don't return all nil from dialRegion when STUNOnly nodes

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This commit is contained in:
Brad Fitzpatrick 2020-07-27 10:10:10 -07:00
parent 990e2f1ae9
commit 69f3ceeb7c
1 changed files with 3 additions and 0 deletions
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3
derp/derphttp/derphttp_client.go
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@ -338,6 +338,9 @@ func (c *Client) dialRegion(ctx context.Context, reg *tailcfg.DERPRegion) (net.C
var firstErr error
for _, n := range reg.Nodes {
if n.STUNOnly {
if firstErr == nil {
firstErr = fmt.Errorf("no non-STUNOnly nodes for %s", c.targetString(reg))
}
continue
}
c, err := c.dialNode(ctx, n)