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This commit is contained in:
yaling888
2022-03-15 02:55:06 +08:00
parent 5abd03e241
commit 20b66d9550
20 changed files with 110 additions and 109 deletions
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14
dns/client.go
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@ -31,14 +31,14 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
ip net.IP
err error
)
if c.r == nil {
// a default ip dns
if ip = net.ParseIP(c.host); ip == nil {
if ip = net.ParseIP(c.host); ip == nil {
if c.r == nil {
return nil, fmt.Errorf("dns %s not a valid ip", c.host)
}
} else {
if ip, err = resolver.ResolveIPWithResolver(c.host, c.r); err != nil {
return nil, fmt.Errorf("use default dns resolve failed: %w", err)
} else {
if ip, err = resolver.ResolveIPWithResolver(c.host, c.r); err != nil {
return nil, fmt.Errorf("use default dns resolve failed: %w", err)
}
c.host = ip.String()
}
}