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p2p/discover: filter bootnodes by netrestrict (#27701)

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This prevents an issue where the node would attempt to contact the bootstrap
nodes even if they weren't contained in the netrestrict list.
This commit is contained in:
Felix Lange 2023-07-12 12:01:38 +02:00 committed by GitHub
parent 0b1f97e151
commit a426999fc9
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1 changed files with 7 additions and 1 deletions
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8
p2p/discover/table.go
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@ -203,12 +203,18 @@ func (tab *Table) close() {
// are used to connect to the network if the table is empty and there
// are no known nodes in the database.
func (tab *Table) setFallbackNodes(nodes []*enode.Node) error {
nursery := make([]*node, 0, len(nodes))
for _, n := range nodes {
if err := n.ValidateComplete(); err != nil {
return fmt.Errorf("bad bootstrap node %q: %v", n, err)
}
if tab.cfg.NetRestrict != nil && !tab.cfg.NetRestrict.Contains(n.IP()) {
tab.log.Error("Bootstrap node filtered by netrestrict", "id", n.ID(), "ip", n.IP())
continue
}
nursery = append(nursery, wrapNode(n))
}
tab.nursery = wrapNodes(nodes)
tab.nursery = nursery
return nil
}