Skip to content

fix: guard against nil responses #243

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Nov 19, 2024
Merged

fix: guard against nil responses #243

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions internal/dns/dns.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -297,6 +297,9 @@ func stateRecordToDnsRR(record state.DomainRecord) (dns.RR, error) {
}

func copyResponse(req *dns.Msg, srcResp *dns.Msg, destResp *dns.Msg) {
if srcResp == nil {
return
}
// Copy relevant data from original request and source response into destination response
destResp.SetRcode(req, srcResp.MsgHdr.Rcode)
destResp.RecursionDesired = req.RecursionDesired
Expand Down Expand Up @@ -345,6 +348,9 @@ func doQuery(msg *dns.Msg, address string, recursive bool) (*dns.Msg, error) {
if err != nil {
return nil, err
}
if resp == nil {
return nil, fmt.Errorf("dns response empty")
}
slog.Debug(
fmt.Sprintf(
"response: rcode=%s, authoritative=%v, authority=%s, answer=%s, extra=%s",
Expand Down