Sweden-Number/programs/wmic/main.c

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C
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/*
* Copyright 2010 Louis Lenders
* Copyright 2012 Hans Leidekker for CodeWeavers
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*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include <stdio.h>
#include "windows.h"
#include "ocidl.h"
#include "initguid.h"
#include "objidl.h"
#include "wbemcli.h"
#include "wmic.h"
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#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wmic);
static const WCHAR biosW[] =
{'b','i','o','s',0};
static const WCHAR computersystemW[] =
{'c','o','m','p','u','t','e','r','s','y','s','t','e','m',0};
static const WCHAR cpuW[] =
{'c','p','u',0};
static const WCHAR logicaldiskW[] =
{'L','o','g','i','c','a','l','D','i','s','k',0};
static const WCHAR nicW[] =
{'n','i','c',0};
static const WCHAR osW[] =
{'o','s',0};
static const WCHAR processW[] =
{'p','r','o','c','e','s','s',0};
static const WCHAR win32_biosW[] =
{'W','i','n','3','2','_','B','I','O','S',0};
static const WCHAR win32_computersystemW[] =
{'W','i','n','3','2','_','C','o','m','p','u','t','e','r','S','y','s','t','e','m',0};
static const WCHAR win32_logicaldiskW[] =
{'W','i','n','3','2','_','L','o','g','i','c','a','l','D','i','s','k',0};
static const WCHAR win32_networkadapterW[] =
{'W','i','n','3','2','_','N','e','t','w','o','r','k','A','d','a','p','t','e','r',0};
static const WCHAR win32_operatingsystemW[] =
{'W','i','n','3','2','_','O','p','e','r','a','t','i','n','g','S','y','s','t','e','m',0};
static const WCHAR win32_processW[] =
{'W','i','n','3','2','_','P','r','o','c','e','s','s',0};
static const WCHAR win32_processorW[] =
{'W','i','n','3','2','_','P','r','o','c','e','s','s','o','r',0};
static const struct
{
const WCHAR *alias;
const WCHAR *class;
}
alias_map[] =
{
{ biosW, win32_biosW },
{ computersystemW, win32_computersystemW },
{ cpuW, win32_processorW },
{ logicaldiskW, win32_logicaldiskW },
{ nicW, win32_networkadapterW },
{ osW, win32_operatingsystemW },
{ processW, win32_processW }
};
static const WCHAR *find_class( const WCHAR *alias )
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{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(alias_map); i++)
{
if (!wcsicmp( alias, alias_map[i].alias )) return alias_map[i].class;
}
return NULL;
}
static inline WCHAR *strdupW( const WCHAR *src )
{
WCHAR *dst;
if (!src) return NULL;
if (!(dst = HeapAlloc( GetProcessHeap(), 0, (lstrlenW( src ) + 1) * sizeof(WCHAR) ))) return NULL;
lstrcpyW( dst, src );
return dst;
}
static WCHAR *find_prop( IWbemClassObject *class, const WCHAR *prop )
{
SAFEARRAY *sa;
WCHAR *ret = NULL;
LONG i, last_index = 0;
BSTR str;
if (IWbemClassObject_GetNames( class, NULL, WBEM_FLAG_ALWAYS, NULL, &sa ) != S_OK) return NULL;
SafeArrayGetUBound( sa, 1, &last_index );
for (i = 0; i <= last_index; i++)
{
SafeArrayGetElement( sa, &i, &str );
if (!wcsicmp( str, prop ))
{
ret = strdupW( str );
break;
}
}
SafeArrayDestroy( sa );
return ret;
}
static int WINAPIV output_string( HANDLE handle, const WCHAR *msg, ... )
{
__ms_va_list va_args;
int len;
DWORD count;
WCHAR buffer[8192];
__ms_va_start( va_args, msg );
len = vswprintf( buffer, ARRAY_SIZE(buffer), msg, va_args );
__ms_va_end( va_args );
if (!WriteConsoleW( handle, buffer, len, &count, NULL ))
WriteFile( handle, buffer, len * sizeof(WCHAR), &count, FALSE );
return count;
}
static int output_error( int msg )
{
static const WCHAR fmtW[] = {'%','s',0};
WCHAR buffer[8192];
LoadStringW( GetModuleHandleW(NULL), msg, buffer, ARRAY_SIZE(buffer));
return output_string( GetStdHandle(STD_ERROR_HANDLE), fmtW, buffer );
}
static int output_header( const WCHAR *prop, ULONG column_width )
{
static const WCHAR bomW[] = {0xfeff}, fmtW[] = {'%','-','*','s','\r','\n',0};
int len;
DWORD count;
WCHAR buffer[8192];
len = swprintf( buffer, ARRAY_SIZE(buffer), fmtW, column_width, prop );
if (!WriteConsoleW( GetStdHandle(STD_OUTPUT_HANDLE), buffer, len, &count, NULL )) /* redirected */
{
WriteFile( GetStdHandle(STD_OUTPUT_HANDLE), bomW, sizeof(bomW), &count, FALSE );
WriteFile( GetStdHandle(STD_OUTPUT_HANDLE), buffer, len * sizeof(WCHAR), &count, FALSE );
count += sizeof(bomW);
}
return count;
}
static int output_line( const WCHAR *str, ULONG column_width )
{
static const WCHAR fmtW[] = {'%','-','*','s','\r','\n',0};
return output_string( GetStdHandle(STD_OUTPUT_HANDLE), fmtW, column_width, str );
}
static int query_prop( const WCHAR *class, const WCHAR *propname )
{
static const WCHAR select_allW[] = {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',0};
static const WCHAR cimv2W[] = {'R','O','O','T','\\','C','I','M','V','2',0};
static const WCHAR wqlW[] = {'W','Q','L',0};
HRESULT hr;
IWbemLocator *locator = NULL;
IWbemServices *services = NULL;
IEnumWbemClassObject *result = NULL;
LONG flags = WBEM_FLAG_RETURN_IMMEDIATELY | WBEM_FLAG_FORWARD_ONLY;
BSTR path = NULL, wql = NULL, query = NULL;
WCHAR *prop = NULL;
BOOL first = TRUE;
int len, ret = -1;
IWbemClassObject *obj;
ULONG count, width = 0;
VARIANT v;
WINE_TRACE("%s, %s\n", debugstr_w(class), debugstr_w(propname));
CoInitialize( NULL );
CoInitializeSecurity( NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT,
RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL );
hr = CoCreateInstance( &CLSID_WbemLocator, NULL, CLSCTX_INPROC_SERVER, &IID_IWbemLocator,
(void **)&locator );
if (hr != S_OK) goto done;
if (!(path = SysAllocString( cimv2W ))) goto done;
hr = IWbemLocator_ConnectServer( locator, path, NULL, NULL, NULL, 0, NULL, NULL, &services );
if (hr != S_OK) goto done;
len = lstrlenW( class ) + ARRAY_SIZE(select_allW);
if (!(query = SysAllocStringLen( NULL, len ))) goto done;
lstrcpyW( query, select_allW );
lstrcatW( query, class );
if (!(wql = SysAllocString( wqlW ))) goto done;
hr = IWbemServices_ExecQuery( services, wql, query, flags, NULL, &result );
if (hr != S_OK) goto done;
for (;;) /* get column width */
{
IEnumWbemClassObject_Next( result, WBEM_INFINITE, 1, &obj, &count );
if (!count) break;
if (!prop && !(prop = find_prop( obj, propname )))
{
output_error( STRING_INVALID_QUERY );
goto done;
}
if (IWbemClassObject_Get( obj, prop, 0, &v, NULL, NULL ) == WBEM_S_NO_ERROR)
{
VariantChangeType( &v, &v, 0, VT_BSTR );
width = max( lstrlenW( V_BSTR( &v ) ), width );
VariantClear( &v );
}
IWbemClassObject_Release( obj );
}
width += 2;
IEnumWbemClassObject_Reset( result );
for (;;)
{
IEnumWbemClassObject_Next( result, WBEM_INFINITE, 1, &obj, &count );
if (!count) break;
if (first)
{
output_header( prop, width );
first = FALSE;
}
if (IWbemClassObject_Get( obj, prop, 0, &v, NULL, NULL ) == WBEM_S_NO_ERROR)
{
VariantChangeType( &v, &v, 0, VT_BSTR );
output_line( V_BSTR( &v ), width );
VariantClear( &v );
}
IWbemClassObject_Release( obj );
}
ret = 0;
done:
if (result) IEnumWbemClassObject_Release( result );
if (services) IWbemServices_Release( services );
if (locator) IWbemLocator_Release( locator );
SysFreeString( path );
SysFreeString( query );
SysFreeString( wql );
HeapFree( GetProcessHeap(), 0, prop );
CoUninitialize();
return ret;
}
int __cdecl wmain(int argc, WCHAR *argv[])
{
static const WCHAR getW[] = {'g','e','t',0};
static const WCHAR quitW[] = {'q','u','i','t',0};
static const WCHAR exitW[] = {'e','x','i','t',0};
static const WCHAR pathW[] = {'p','a','t','h',0};
static const WCHAR classW[] = {'c','l','a','s','s',0};
static const WCHAR contextW[] = {'c','o','n','t','e','x','t',0};
const WCHAR *class, *value;
int i;
for (i = 1; i < argc && argv[i][0] == '/'; i++)
WINE_FIXME( "command line switch %s not supported\n", debugstr_w(argv[i]) );
if (i >= argc)
goto not_supported;
if (!wcsicmp( argv[i], quitW ) ||
!wcsicmp( argv[i], exitW ))
{
return 0;
}
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if (!wcsicmp( argv[i], classW) ||
!wcsicmp( argv[i], contextW ))
{
WINE_FIXME( "command %s not supported\n", debugstr_w(argv[i]) );
goto not_supported;
}
if (!wcsicmp( argv[i], pathW ))
{
if (++i >= argc)
{
output_error( STRING_INVALID_PATH );
return 1;
}
class = argv[i];
}
else
{
class = find_class( argv[i] );
if (!class)
{
output_error( STRING_ALIAS_NOT_FOUND );
return 1;
}
}
if (++i >= argc)
goto not_supported;
if (!wcsicmp( argv[i], getW ))
{
if (++i >= argc)
goto not_supported;
value = argv[i];
return query_prop( class, value );
}
not_supported:
output_error( STRING_CMDLINE_NOT_SUPPORTED );
return 1;
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}