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Add limit to ioutil.ReadAll for request body (#5224)

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This PR adds limit to ioutil.ReadAll for DoH request body
so that it will not be subject to large requests.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
This commit is contained in:
Yong Tang
2022-03-04 12:18:05 -08:00
committed by GitHub
parent 967814161a
commit ad41112a92
1 changed files with 1 additions and 1 deletions
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2
plugin/pkg/doh/doh.go
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@@ -92,7 +92,7 @@ func requestToMsgGet(req *http.Request) (*dns.Msg, error) {
} }
func toMsg(r io.ReadCloser) (*dns.Msg, error) { func toMsg(r io.ReadCloser) (*dns.Msg, error) {
buf, err := io.ReadAll(r) buf, err := io.ReadAll(io.LimitReader(r, 65536))
if err != nil { if err != nil {
return nil, err return nil, err
} }