init

internal/faketls/tlsapp.go

@@ -0,0 +1,25 @@
+package faketls
+
+import (
+	"io"
+)
+
+// WriteTLSApplicationData wraps payload in TLS 1.2 application records (type 0x17).
+func WriteTLSApplicationData(w io.Writer, p []byte) error {
+	const maxChunk = 16384
+	for off := 0; off < len(p); off += maxChunk {
+		end := off + maxChunk
+		if end > len(p) {
+			end = len(p)
+		}
+		chunk := p[off:end]
+		hdr := []byte{0x17, 0x03, 0x03, byte(len(chunk) >> 8), byte(len(chunk))}
+		if _, err := w.Write(hdr); err != nil {
+			return err
+		}
+		if _, err := w.Write(chunk); err != nil {
+			return err
+		}
+	}
+	return nil
+}