implement cgi api improvements

scm-core/src/main/java/sonia/scm/web/cgi/AbstractCGIExecutor.java

@@ -199,13 +199,13 @@ public abstract class AbstractCGIExecutor implements CGIExecutor
   protected EnvList environment;
 
   /** Field description */
-  protected boolean ignoreExitCode;
+  protected boolean ignoreExitCode = false;
 
   /** Field description */
   protected String interpreter;
 
   /** Field description */
-  protected boolean passShellEnvironment;
+  protected boolean passShellEnvironment = false;
 
   /** Field description */
   protected File workDirectory;

scm-webapp/src/main/java/sonia/scm/web/cgi/DefaultCGIExecutor.java

@@ -42,6 +42,7 @@ import sonia.scm.SCMContext;
 import sonia.scm.config.ScmConfiguration;
 import sonia.scm.util.HttpUtil;
 import sonia.scm.util.IOUtil;
+import sonia.scm.util.SystemUtil;
 import sonia.scm.util.Util;
 
 //~--- JDK imports ------------------------------------------------------------
@@ -54,6 +55,7 @@ import java.io.InputStreamReader;
 import java.io.OutputStream;
 
 import java.util.Enumeration;
+import java.util.Map;
 
 import javax.servlet.ServletContext;
 import javax.servlet.ServletInputStream;
@@ -74,6 +76,9 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
   /** Field description */
   public static final int DEFAULT_BUFFER_SIZE = 16264;
 
+  /** Field description */
+  public static final String SYSTEM_ROOT_WINDOWS = "C:\\WINDOWS";
+
   /** Field description */
   private static final String SERVER_SOFTWARE_PREFIX = "scm-manager/";
 
@@ -167,7 +172,6 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
     {
       p = Runtime.getRuntime().exec(execCmd, environment.getEnvArray(),
                                     workDirectory);
-
       execute(p);
     }
     finally
@@ -179,6 +183,25 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
     }
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param env
+   */
+  private void apendOsEnvironment(EnvList env)
+  {
+    Map<String, String> osEnv = System.getenv();
+
+    if (Util.isNotEmpty(osEnv))
+    {
+      for (Map.Entry<String, String> e : osEnv.entrySet())
+      {
+        env.set(e.getKey(), e.getValue());
+      }
+    }
+  }
+
   /**
    * Method description
    *
@@ -194,8 +217,13 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
     String scriptPath = context.getRealPath(scriptName);
     String pathTranslated = request.getPathTranslated();
     int len = request.getContentLength();
-
     EnvList env = new EnvList();
+
+    if (passShellEnvironment)
+    {
+      apendOsEnvironment(env);
+    }
+
     env.set(ENV_AUTH_TYPE, request.getAuthType());
 
     /**
@@ -204,8 +232,7 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
      * Servlet API spec.
      *
      * see org.apache.catalina.servlets.CGIServlet
-     **/
-    
+     */
     if (len <= 0)
     {
       env.set(ENV_CONTENT_LENGTH, "");
@@ -255,6 +282,11 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
                         ? ENV_HTTPS_VALUE_ON
                         : ENV_HTTPS_VALUE_OFF));
 
+    if (SystemUtil.isWindows())
+    {
+      env.set(ENV_SYSTEM_ROOT, SYSTEM_ROOT_WINDOWS);
+    }
+
     return env;
   }
 
@@ -287,20 +319,6 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
     }
   }
 
-  private void processErrorStreamAsync( final InputStream errorStream )
-  {
-    new Thread(new Runnable() {
-      @Override
-      public void run() {
-        try {
-            processErrorStream(errorStream);
-        } catch (IOException ex) {
-          logger.error( "could not read errorstream", ex );
-        }
-      }
-    }).start();
-  }
-
   /**
    * Method description
    *
@@ -413,6 +431,31 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
     }
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param errorStream
+   */
+  private void processErrorStreamAsync(final InputStream errorStream)
+  {
+    new Thread(new Runnable()
+    {
+      @Override
+      public void run()
+      {
+        try
+        {
+          processErrorStream(errorStream);
+        }
+        catch (IOException ex)
+        {
+          logger.error("could not read errorstream", ex);
+        }
+      }
+    }).start();
+  }
+
   /**
    * Method description
    *
@@ -481,7 +524,7 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
     {
       int exitCode = process.waitFor();
 
-      if (exitCode != 0)
+      if ((exitCode != 0) &&!ignoreExitCode)
       {
         logger.warn("process ends with exit code {}", exitCode);
       }