Mercurial > hg > vboxdotnet

annotate VBoxFrontend/ProgramLoader.cs @ 4:64226294e26b

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Added some information on using the interop interface generator
author Ivo Smits
date Wed, 04 May 2011 21:15:22 +0200
parents b0033e69105a
children
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1 ???using System;
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2 using System.Reflection;
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3 using System.Runtime.InteropServices;
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4
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5 namespace ConsoleApplication1 {
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6 class ProgramLoader {
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7 [DllImport("/usr/lib/virtualbox/VBoxXPCOMC.so")]
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8 private static extern Int32 RTR3InitAndSUPLib();
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9
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10 static unsafe int Main(string[] args) {
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11 if (Environment.OSVersion.Platform == PlatformID.Unix) {
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12 Console.WriteLine("UNIX based OS detected, doing some magic...");
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13 int init = RTR3InitAndSUPLib();
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14 if (init != 0) throw new COMException("Failed to initialize VirtualBox driver", init);
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15 Unix_setuid();
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16 Assembly.LoadFile("Interop.VirtualBox.XPCOM.dll");
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17 }
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18 return Main2(args);
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19 }
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20
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21 static int Main2(String[] args) {
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22 ProgramRun p = new ProgramRun();
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23 return p.Run(args);
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24 }
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25
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26 private static void Unix_setuid() {
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27 uint uid = Mono.Unix.Native.Syscall.getuid();
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28 uint euid = Mono.Unix.Native.Syscall.geteuid();
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b0033e69105a Set group ID during initialization, added a patch to mono to fix a double free 'bug'
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29 uint gid = Mono.Unix.Native.Syscall.getgid();
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30 uint egid = Mono.Unix.Native.Syscall.getegid();
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31 Console.WriteLine("Running as user {0} effective {1} group {2} effective {3}", uid, euid, gid, egid);
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32 if (gid != egid) {
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33 Console.WriteLine("Set group ID: {0}", gid);
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34 Mono.Unix.Native.Syscall.setregid(gid, gid);
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35 }
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36 if (uid != euid) {
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37 Console.WriteLine("Set user ID: {0}", uid);
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38 Mono.Unix.Native.Syscall.setreuid(uid, uid);
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39 }
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40 }
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41 }
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42 }