subsys/csrss/csrss.c

   1 /* $Id$
   2  *
   3  * csrss.c - Client/Server Runtime subsystem
   4  *
   5  * ReactOS Operating System
   6  *
   7  * --------------------------------------------------------------------
   8  *
   9  * This software is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * This software is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Library General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this software; see the file COPYING.LIB. If not, write
  21  * to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
  22  * MA 02139, USA.
  23  *
  24  * --------------------------------------------------------------------
  25  *
  26  *      19990417 (Emanuele Aliberti)
  27  *              Do nothing native application skeleton
  28  *      19990528 (Emanuele Aliberti)
  29  *              Compiled successfully with egcs 1.1.2
  30  *      19990605 (Emanuele Aliberti)
  31  *              First standalone run under ReactOS (it
  32  *              actually does nothing but running).
  33  */
  34 #include <ddk/ntddk.h>
  35 #include <ntdll/rtl.h>
  36 #include <csrss/csrss.h>
  37
  38 #include "api.h"
  39
  40 /* Native process' entry point */
  41
  42 VOID STDCALL NtProcessStartup(PPEB Peb)
  43 {
  44    PRTL_USER_PROCESS_PARAMETERS ProcParams;
  45    PWSTR ArgBuffer;
  46    PWSTR *argv;
  47    ULONG argc = 0;
  48    int i = 0;
  49    int afterlastspace = 0;
  50    OBJECT_ATTRIBUTES ObjectAttributes;
  51    HANDLE CsrssInitEvent;
  52    UNICODE_STRING UnicodeString;
  53    NTSTATUS Status;
  54
  55    ProcParams = RtlNormalizeProcessParams (Peb->ProcessParameters);
  56
  57    argv = (PWSTR *)RtlAllocateHeap (Peb->ProcessHeap,
  58                                     0, 512 * sizeof(PWSTR));
  59    ArgBuffer = (PWSTR)RtlAllocateHeap (Peb->ProcessHeap,
  60                                        0,
  61                                        ProcParams->CommandLine.Length + sizeof(WCHAR));
  62    memcpy (ArgBuffer,
  63            ProcParams->CommandLine.Buffer,
  64            ProcParams->CommandLine.Length + sizeof(WCHAR));
  65
  66    while (ArgBuffer[i])
  67      {
  68         if (ArgBuffer[i] == L' ')
  69           {
  70              argc++;
  71              ArgBuffer[i] = L'\0';
  72              argv[argc-1] = &(ArgBuffer[afterlastspace]);
  73              i++;
  74              while (ArgBuffer[i] == L' ')
  75                 i++;
  76              afterlastspace = i;
  77           }
  78         else
  79           {
  80              i++;
  81           }
  82      }
  83
  84    if (ArgBuffer[afterlastspace] != L'\0')
  85      {
  86         argc++;
  87         ArgBuffer[i] = L'\0';
  88         argv[argc-1] = &(ArgBuffer[afterlastspace]);
  89      }
  90
  91    RtlInitUnicodeStringFromLiteral(&UnicodeString,
  92                         L"\\CsrssInitDone");
  93    InitializeObjectAttributes(&ObjectAttributes,
  94                               &UnicodeString,
  95                               EVENT_ALL_ACCESS,
  96                               0,
  97                               NULL);
  98    Status = NtOpenEvent(&CsrssInitEvent,
  99                         EVENT_ALL_ACCESS,
 100                         &ObjectAttributes);
 101    if (!NT_SUCCESS(Status))
 102      {
 103         DbgPrint("CSR: Failed to open csrss notification event\n");
 104      }
 105    if (CsrServerInitialization (argc, argv) == TRUE)
 106      {
 107
 108         NtSetEvent(CsrssInitEvent,
 109                    NULL);
 110
 111         RtlFreeHeap (Peb->ProcessHeap,
 112                      0, argv);
 113         RtlFreeHeap (Peb->ProcessHeap,
 114                      0,
 115                      ArgBuffer);
 116
 117         /* terminate the current thread only */
 118         NtTerminateThread( NtCurrentThread(), 0 );
 119      }
 120    else
 121      {
 122         DisplayString( L"CSR: Subsystem initialization failed.\n" );
 123
 124         RtlFreeHeap (Peb->ProcessHeap,
 125                      0, argv);
 126         RtlFreeHeap (Peb->ProcessHeap,
 127                      0,
 128                      ArgBuffer);
 129
 130         /*
 131          * Tell SM we failed.
 132          */
 133         NtTerminateProcess( NtCurrentProcess(), 0 );
 134      }
 135 }
 136
 137 /* EOF */