Fixup "netcat does not support -U option"

Some nc implementations print help to stdout, others to stderr. ymnk#31 ymnk#32
tristanlins · Mar 9, 2020 · 84952aa · 84952aa
1 parent 86bdeca
commit 84952aa
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/...t-proxy-usocket-nc/src/main/java/com/jcraft/jsch/agentproxy/usocket/NCUSocketFactory.java b/...t-proxy-usocket-nc/src/main/java/com/jcraft/jsch/agentproxy/usocket/NCUSocketFactory.java
@@ -42,8 +42,11 @@ public NCUSocketFactory() throws AgentProxyException {
     Process p = null;
     StringBuilder sb = new StringBuilder();
     try {
-      p = Runtime.getRuntime().exec("nc -h");
-      InputStream is = p.getErrorStream();
+      p = new ProcessBuilder()
+              .command("nc", "-h")
+              .redirectErrorStream(true)
+              .start();
+      InputStream is = p.getInputStream();
       byte[] buf = new byte[1024];
       int i = 0;
       while((i = is.read(buf, 0, buf.length))>0){