diff options
| -rw-r--r-- | src/cmd/go/internal/web/http.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/cmd/go/internal/web/http.go b/src/cmd/go/internal/web/http.go index f177278eba..81f841d2c6 100644 --- a/src/cmd/go/internal/web/http.go +++ b/src/cmd/go/internal/web/http.go @@ -17,6 +17,7 @@ import ( "errors" "fmt" "mime" + "net" "net/http" urlpkg "net/url" "os" @@ -84,8 +85,15 @@ func get(security SecurityMode, url *urlpkg.URL) (*Response, error) { if url.Host == "localhost.localdev" { return nil, fmt.Errorf("no such host localhost.localdev") } - if os.Getenv("TESTGONETWORK") == "panic" && !strings.HasPrefix(url.Host, "127.0.0.1") && !strings.HasPrefix(url.Host, "0.0.0.0") { - panic("use of network: " + url.String()) + if os.Getenv("TESTGONETWORK") == "panic" { + host := url.Host + if h, _, err := net.SplitHostPort(url.Host); err == nil && h != "" { + host = h + } + addr := net.ParseIP(host) + if addr == nil || (!addr.IsLoopback() && !addr.IsUnspecified()) { + panic("use of network: " + url.String()) + } } fetch := func(url *urlpkg.URL) (*urlpkg.URL, *http.Response, error) { |