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  1. JDK
  2. JDK-6410605

(process) Vista: Runtime.exec does not prompt when programs need elevated privileges

    Details

    • Subcomponent:
    • CPU:
      x86
    • OS:
      windows_vista

      Description

      A windows-vista program can advertise that it needs elevated privilege, either by having a manifest files that says so, or being a Windows Installer, or by other means.
      If such an executable (such as the java installer) is launched from a command shell, vista will prompt the user to allow running. (all this assumes a normal user with admin privileges)
      If the same program is executed using Runtime.getRuntime().exec(), the call will fail with an IOException the 740 error which means:
      ERROR_ELEVATION_REQUIRED: The requested operation requires elevation.

      java.io.IOException: CreateProcess: C:\jre59234.dat /s /v"/qn WEBSTARTICON=1 INS
      TALLDIR=\"C:\Program Files\Java\j2re1.4.2_07\\"" error=740
              at java.lang.ProcessImpl.create(Native Method)
              at java.lang.ProcessImpl.<init>(Unknown Source)
              at java.lang.ProcessImpl.start(Unknown Source)
              at java.lang.ProcessBuilder.start(Unknown Source)
              at java.lang.Runtime.exec(Unknown Source)
              at java.lang.Runtime.exec(Unknown Source)
              at java.lang.Runtime.exec(Unknown Source)
              at test.execute(test.java:12)
              at test.main(test.java:6)

      use the following simple java program:
      public class Run {

          public static void main(String[] args) {
              if (args.length < 1) {
                  System.out.println("Usage: Run <filename> <arg1> ...");
              } else try {
                  Runtime.getRuntime().exec(args);
              } catch (Throwable t) {
                 t.printStackTrace();
              }
          }
      }
      Then type
      "java Run jre-6-beta-bin-b59g-windows-i586-06_feb_2006.exe"
      (or using any installer executable you have)

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              • Assignee:
                uta Alexey Utkin (Inactive)
                Reporter:
                herrick Andy Herrick
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                • Created:
                  Updated:
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