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55fd77f724
After discussing in the maintainers meeting, we concluded that Slowloris attacks
are not a real risk other than potentially having some additional goroutines
lingering around, so setting a long timeout to satisfy the linter, and to at
least have "some" timeout.
libnetwork/diagnostic/server.go:96:10: G112: Potential Slowloris Attack because ReadHeaderTimeout is not configured in the http.Server (gosec)
srv := &http.Server{
Addr: net.JoinHostPort(ip, strconv.Itoa(port)),
Handler: s,
}
api/server/server.go:60:10: G112: Potential Slowloris Attack because ReadHeaderTimeout is not configured in the http.Server (gosec)
srv: &http.Server{
Addr: addr,
},
daemon/metrics_unix.go:34:13: G114: Use of net/http serve function that has no support for setting timeouts (gosec)
if err := http.Serve(l, mux); err != nil && !strings.Contains(err.Error(), "use of closed network connection") {
^
cmd/dockerd/metrics.go:27:13: G114: Use of net/http serve function that has no support for setting timeouts (gosec)
if err := http.Serve(l, mux); err != nil && !strings.Contains(err.Error(), "use of closed network connection") {
^
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
37 lines
877 B
Go
37 lines
877 B
Go
package main
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import (
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"net"
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"net/http"
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"strings"
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"time"
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metrics "github.com/docker/go-metrics"
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"github.com/sirupsen/logrus"
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)
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func startMetricsServer(addr string) error {
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if addr == "" {
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return nil
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}
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if err := allocateDaemonPort(addr); err != nil {
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return err
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}
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l, err := net.Listen("tcp", addr)
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if err != nil {
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return err
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}
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mux := http.NewServeMux()
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mux.Handle("/metrics", metrics.Handler())
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go func() {
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logrus.Infof("metrics API listening on %s", l.Addr())
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srv := &http.Server{
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Handler: mux,
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ReadHeaderTimeout: 5 * time.Minute, // "G112: Potential Slowloris Attack (gosec)"; not a real concern for our use, so setting a long timeout.
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}
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if err := srv.Serve(l); err != nil && !strings.Contains(err.Error(), "use of closed network connection") {
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logrus.WithError(err).Error("error serving metrics API")
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}
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}()
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return nil
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}
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