posix/apps/bootpsx/bootpsx.c

   1 /* $Id$
   2  *
   3  * PROJECT: ReactOS Operating System / POSIX Environment Subsystem
   4  *
   5  * --------------------------------------------------------------------
   6  *
   7  * This software is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This software is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this software; see the file COPYING. If not, write
  19  * to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
  20  * MA 02139, USA.
  21  *
  22  * --------------------------------------------------------------------
  23  */
  24 #include <windows.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27
  28 #define NTOS_MODE_USER
  29 #include <ntos.h>
  30 #include <sm/helper.h>
  31
  32 #define RETRY_COUNT 3
  33
  34 /**********************************************************************
  35  * PsxCheckSubSystem/1
  36  */
  37 NTSTATUS STDCALL
  38 PsxCheckSubSystem (LPCSTR argv0)
  39 {
  40         NTSTATUS          Status = STATUS_SUCCESS;
  41         UNICODE_STRING    DirectoryName = {0, 0, NULL};
  42         OBJECT_ATTRIBUTES DirectoryAttributes = {0};
  43         HANDLE            hDir = (HANDLE) 0;
  44
  45         RtlInitUnicodeString (& DirectoryName, L"\\POSIX");
  46         InitializeObjectAttributes (& DirectoryAttributes,
  47                                     & DirectoryName,
  48                                     0,0,0);
  49         Status = NtOpenDirectoryObject (& hDir,
  50                                         DIRECTORY_TRAVERSE,
  51                                         & DirectoryAttributes);
  52         if(NT_SUCCESS(Status))
  53         {
  54                 NtClose (hDir);
  55         }
  56
  57         return Status;
  58 }
  59
  60 /**********************************************************************
  61  * PsxBootstrap/1
  62  */
  63 NTSTATUS STDCALL
  64 PsxBootstrap (LPCSTR argv0)
  65 {
  66         NTSTATUS       Status = STATUS_SUCCESS;
  67         UNICODE_STRING Program = {0, 0, NULL};
  68         HANDLE         SmApiPort = (HANDLE) 0;
  69
  70
  71         printf("Connecting to the SM: ");
  72         Status = SmConnectApiPort (NULL,
  73                                    (HANDLE) 0,
  74                                    IMAGE_SUBSYSTEM_UNKNOWN,
  75                                    & SmApiPort);
  76         if(!NT_SUCCESS(Status))
  77         {
  78                 fprintf(stderr,"\n%s: SmConnectApiPort failed with 0x%08lx\n",
  79                                 argv0, Status);
  80                 return Status;
  81         }
  82         RtlInitUnicodeString (& Program, L"POSIX");
  83         Status = SmExecuteProgram (SmApiPort, & Program);
  84         if(STATUS_SUCCESS != Status)
  85         {
  86                 fprintf(stderr, "%s: SmExecuteProgram = %08lx\n", argv0, Status);
  87         }
  88         NtClose (SmApiPort);
  89         return Status;
  90 }
  91
  92 /**********************************************************************
  93  *
  94  *      ENTRY POINT                                     PUBLIC
  95  *
  96  *********************************************************************/
  97 int main (int argc, char * argv [])
  98 {
  99         NTSTATUS Status = STATUS_SUCCESS;
 100         INT      RetryCount = RETRY_COUNT;
 101
 102         while(RetryCount > 0)
 103         {
 104                 Status = PsxCheckSubSystem (argv[0]);
 105                 if(STATUS_SUCCESS == Status)
 106                 {
 107                         if (RETRY_COUNT == RetryCount)
 108                         {
 109                                 fprintf(stderr,"POSIX already booted.\n");
 110                         }else{
 111                                 fprintf(stderr,"POSIX booted.\n");
 112                         }
 113                         break;
 114                 }else{
 115                         Status = PsxBootstrap (argv[0]);
 116                 }
 117                 -- RetryCount;
 118         }
 119         return NT_SUCCESS(Status) ? EXIT_SUCCESS : EXIT_FAILURE;
 120 }
 121 /* EOF */