c/ooni-probe-cli
Watch
1
0
Fork
You've already forked ooni-probe-cli
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

feat(netxlite): implement LookupHTTPS (#514)

Browse source 
This new API call performs DNS lookups for HTTPS records.

Part of https://github.com/ooni/probe/issues/1733 and diff has been
extracted from https://github.com/ooni/probe-cli/pull/506.
This commit is contained in:
Simone Basso 2021-09-27 23:09:41 +02:00 • committed by GitHub
commit 8b9fe1a160
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 621 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

15
internal/netxlite/dnsx/serial.go
View file

@ -61,6 +61,21 @@ func (r *SerialResolver) LookupHost(ctx context.Context, hostname string) ([]str
return addrs, nil
}
// LookupHTTPS issues an HTTPS query without retrying on failure.
func (r *SerialResolver) LookupHTTPS(
ctx context.Context, hostname string) (*HTTPSSvc, error) {
querydata, err := r.Encoder.Encode(
hostname, dns.TypeHTTPS, r.Txp.RequiresPadding())
if err != nil {
return nil, err
}
replydata, err := r.Txp.RoundTrip(ctx, querydata)
if err != nil {
return nil, err
}
return r.Decoder.DecodeHTTPS(replydata)
}
func (r *SerialResolver) lookupHostWithRetry(
ctx context.Context, hostname string, qtype uint16) ([]string, error) {
var errorslist []error