init

2024-11-30 19:03:49 +08:00
commit 1e6763c160
3806 changed files with 737676 additions and 0 deletions
--- a/java/org/apache/catalina/ssi/SSIExec.java
+++ b/java/org/apache/catalina/ssi/SSIExec.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.catalina.ssi;
+
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+
+import org.apache.catalina.util.IOTools;
+/**
+ * Implements the Server-side #exec command
+ *
+ * @author Bip Thelin
+ * @author Amy Roh
+ * @author Paul Speed
+ * @author Dan Sandberg
+ * @author David Becker
+ */
+public class SSIExec implements SSICommand {
+    protected final SSIInclude ssiInclude = new SSIInclude();
+    protected static final int BUFFER_SIZE = 1024;
+
+
+    /**
+     * @see SSICommand
+     */
+    @Override
+    public long process(SSIMediator ssiMediator, String commandName,
+            String[] paramNames, String[] paramValues, PrintWriter writer) {
+        long lastModified = 0;
+        String configErrMsg = ssiMediator.getConfigErrMsg();
+        String paramName = paramNames[0];
+        String paramValue = paramValues[0];
+        String substitutedValue = ssiMediator.substituteVariables(paramValue);
+        if (paramName.equalsIgnoreCase("cgi")) {
+            lastModified = ssiInclude.process(ssiMediator, "include",
+                    new String[]{"virtual"}, new String[]{substitutedValue},
+                    writer);
+        } else if (paramName.equalsIgnoreCase("cmd")) {
+            boolean foundProgram = false;
+            try {
+                Runtime rt = Runtime.getRuntime();
+                Process proc = rt.exec(substitutedValue);
+                foundProgram = true;
+                BufferedReader stdOutReader = new BufferedReader(
+                        new InputStreamReader(proc.getInputStream()));
+                BufferedReader stdErrReader = new BufferedReader(
+                        new InputStreamReader(proc.getErrorStream()));
+                char[] buf = new char[BUFFER_SIZE];
+                IOTools.flow(stdErrReader, writer, buf);
+                IOTools.flow(stdOutReader, writer, buf);
+                proc.waitFor();
+                lastModified = System.currentTimeMillis();
+            } catch (InterruptedException e) {
+                ssiMediator.log("Couldn't exec file: " + substitutedValue, e);
+                writer.write(configErrMsg);
+            } catch (IOException e) {
+                if (!foundProgram) {
+                    //apache doesn't output an error message if it can't find
+                    // a program
+                }
+                ssiMediator.log("Couldn't exec file: " + substitutedValue, e);
+            }
+        }
+        return lastModified;
+    }
+}