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plugin/forward: Document and warn for unsupported FROM CIDR notations (#4639)

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* trap unsupported FROM cidr notations

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>

* make is a warning

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver 2021-05-20 03:24:36 -04:00 • committed by GitHub
parent 5d80a6e21e
commit 0348b019be
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 9 additions and 2 deletions
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3
plugin/forward/setup_test.go
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@ -32,6 +32,7 @@ func TestSetup(t *testing.T) {
{"forward . [::1]:53", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . [2003::1]:53", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1 \n", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward 10.9.3.0/18 127.0.0.1", false, "0.9.10.in-addr.arpa.", nil, 2, options{hcRecursionDesired: true}, ""},
// negative
{"forward . a27.0.0.1", true, "", nil, 0, options{hcRecursionDesired: true}, "not an IP"},
{"forward . 127.0.0.1 {\nblaatl\n}\n", true, "", nil, 0, options{hcRecursionDesired: true}, "unknown property"},
@ -50,7 +51,7 @@ func TestSetup(t *testing.T) {
if err != nil {
if !test.shouldErr {
t.Errorf("Test %d: expected no error but found one for input %s, got: %v", i, test.input, err)
t.Fatalf("Test %d: expected no error but found one for input %s, got: %v", i, test.input, err)
}
if !strings.Contains(err.Error(), test.expectedErr) {