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Diffstat (limited to 'vendor/github.com/miekg/dns/msg.go')
| -rw-r--r-- | vendor/github.com/miekg/dns/msg.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/msg.go b/vendor/github.com/miekg/dns/msg.go index 60a2e8c3d..89ebb64ab 100644 --- a/vendor/github.com/miekg/dns/msg.go +++ b/vendor/github.com/miekg/dns/msg.go @@ -265,6 +265,11 @@ loop: wasDot = false case '.': + if i == 0 && len(s) > 1 { + // leading dots are not legal except for the root zone + return len(msg), ErrRdata + } + if wasDot { // two dots back to back is not legal return len(msg), ErrRdata |