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Fix for misleading SOA parser warnings (#7774)

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* Improve SOA error handling/reporting.

Signed-off-by: Ross Golder <ross@golder.org>

* Add tests for malformed SOA records

Signed-off-by: Ross Golder <ross@golder.org>

* Address review comments: assert exact parse errors in SOA tests and fix gofmt

Signed-off-by: Ross Golder <ross@golder.org>

---------

Signed-off-by: Ross Golder <ross@golder.org>
This commit is contained in:
Ross Golder
2025-12-21 16:54:59 +07:00
committed by GitHub
parent 0d8cbb1a6b
commit f35e57f301
2 changed files with 52 additions and 6 deletions
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50
plugin/file/file_test.go
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@@ -57,3 +57,53 @@ www IN A 192.168.0.14
mail IN A 192.168.0.15
imap IN CNAME mail
`
func TestParseMalformedSOA(t *testing.T) {
_, err := Parse(strings.NewReader(dbMalformedSOA), "example.org.", "stdin", 0)
if err == nil {
t.Fatalf("Zone %q should have failed to load", "example.org.")
}
if !strings.Contains(err.Error(), "bad SOA zone parameter") {
t.Fatalf("Expected parse error containing 'bad SOA zone parameter', got: %s", err)
}
}
const dbMalformedSOA = `
$TTL 1M
$ORIGIN example.org.
@ IN SOA ns1.example.com. admin.example.com. (
abc ; Serial - invalid
1200 ; Refresh
144 ; Retry
1814400 ; Expire
2h ) ; Minimum
@ IN NS ns1.example.com.
www IN A 192.168.0.14
`
func TestParseSOASerialTooLarge(t *testing.T) {
_, err := Parse(strings.NewReader(dbSOASerialTooLarge), "example.org.", "stdin", 0)
if err == nil {
t.Fatalf("Zone %q should have failed to load", "example.org.")
}
if !strings.Contains(err.Error(), "bad SOA zone parameter") {
t.Fatalf("Expected parse error containing 'bad SOA zone parameter', got: %s", err)
}
}
const dbSOASerialTooLarge = `
$TTL 1M
$ORIGIN example.org.
@ IN SOA ns1.example.com. admin.example.com. (
202512200817 ; Serial - exceeds 32-bit uint
1200 ; Refresh
144 ; Retry
1814400 ; Expire
2h ) ; Minimum
@ IN NS ns1.example.com.
www IN A 192.168.0.14
`