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fix cidr multi-zone check (#4682)

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Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver
2021-06-10 04:50:20 -04:00
committed by GitHub
parent 79d6795333
commit 09b63df9c1
1 changed files with 3 additions and 2 deletions
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5
plugin/forward/setup.go
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@@ -93,9 +93,10 @@ func parseStanza(c *caddy.Controller) (*Forward, error) {
return f, c.ArgErr()
}
origFrom := f.from
f.from = plugin.Host(f.from).NormalizeExact()[0] // there can only be one here, won't work with non-octet reverse
zones := plugin.Host(f.from).NormalizeExact()
f.from = zones[0] // there can only be one here, won't work with non-octet reverse
if len(f.from) > 1 {
if len(zones) > 1 {
log.Warningf("Unsupported CIDR notation: '%s' expands to multiple zones. Using only '%s'.", origFrom, f.from)
}