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fix(oohelperd): reduce differences with legacy helper (#504)

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Part of https://github.com/ooni/probe/issues/1707
This commit is contained in:
Simone Basso 2021-09-27 08:13:30 +02:00 committed by GitHub
parent 3cb782f0a2
commit 985c1ba761
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 3 deletions
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3
internal/cmd/oohelperd/internal/webconnectivity/dns.go
View File

@ -28,5 +28,8 @@ type DNSConfig struct {
func DNSDo(ctx context.Context, config *DNSConfig) {
defer config.Wg.Done()
addrs, err := config.Resolver.LookupHost(ctx, config.Domain)
if addrs == nil {
addrs = []string{} // fix: the old test helper did that
}
config.Out <- CtrlDNSResult{Failure: newfailure(err), Addrs: addrs}
}

12
internal/cmd/oohelperd/internal/webconnectivity/http.go
View File

@ -30,7 +30,11 @@ func HTTPDo(ctx context.Context, config *HTTPConfig) {
defer config.Wg.Done()
req, err := http.NewRequestWithContext(ctx, "GET", config.URL, nil)
if err != nil {
config.Out <- CtrlHTTPResponse{Failure: newfailure(err)}
config.Out <- CtrlHTTPResponse{ // fix: emit -1 like the old test helper does
BodyLength: -1,
Failure: newfailure(err),
StatusCode: -1,
}
return
}
// The original test helper failed with extra headers while here
@ -45,7 +49,11 @@ func HTTPDo(ctx context.Context, config *HTTPConfig) {
}
resp, err := config.Client.Do(req)
if err != nil {
config.Out <- CtrlHTTPResponse{Failure: newfailure(err)}
config.Out <- CtrlHTTPResponse{ // fix: emit -1 like old test helper does
BodyLength: -1,
Failure: newfailure(err),
StatusCode: -1,
}
return
}
defer resp.Body.Close()

6
internal/cmd/oohelperd/oohelperd.go
View File

@ -12,6 +12,7 @@ import (
"github.com/ooni/probe-cli/v3/internal/cmd/oohelperd/internal/webconnectivity"
"github.com/ooni/probe-cli/v3/internal/cmd/oohelperd/internal/websteps"
"github.com/ooni/probe-cli/v3/internal/engine/netx"
"github.com/ooni/probe-cli/v3/internal/runtimex"
)
const maxAcceptableBody = 1 << 24
@ -31,7 +32,10 @@ func init() {
dialer = netx.NewDialer(netx.Config{Logger: log.Log})
txp := netx.NewHTTPTransport(netx.Config{Logger: log.Log})
httpx = &http.Client{Transport: txp}
resolver = netx.NewResolver(netx.Config{Logger: log.Log})
// fix: use 8.8.8.8:53/udp so we pin to a specific resolver.
var err error
resolver, err = netx.NewDNSClient(netx.Config{Logger: log.Log}, "udp://8.8.8.8:53")
runtimex.PanicOnError(err, "NewDNSClient failed")
}
func shutdown(srv *http.Server) {