wine/programs/wmic/main.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 struct
{
const WCHAR *alias;
const WCHAR *class;
}
alias_map[] =
{
{ L"bios", L"Win32_BIOS" },
{ L"computersystem", L"Win32_ComputerSystem" },
{ L"cpu", L"Win32_Processor" },
{ L"LogicalDisk", L"Win32_LogicalDisk" },
{ L"nic", L"Win32_NetworkAdapter" },
{ L"os", L"Win32_OperatingSystem" },
{ L"process", L"Win32_Process" },
{ L"baseboard", L"Win32_BaseBoard" },
{ L"diskdrive", L"Win32_DiskDrive" },
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{ L"memorychip", L"Win32_PhysicalMemory" },
{ L"nicconfig", L"Win32_NetworkAdapterConfiguration" },
};
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 int WINAPIV output_string( HANDLE handle, const WCHAR *msg, ... )
{
BOOL output = GetStdHandle(STD_OUTPUT_HANDLE) == handle;
static const WCHAR bomW[] = {0xfeff};
static BOOL bom;
va_list va_args;
int len;
DWORD count, bom_count = 0;
WCHAR buffer[8192];
va_start( va_args, msg );
len = vswprintf( buffer, ARRAY_SIZE(buffer), msg, va_args );
va_end( va_args );
if (!WriteConsoleW( handle, buffer, len, &count, NULL ))
{
if (output && !bom)
{
WriteFile( handle, bomW, sizeof(bomW), &bom_count, FALSE );
bom = TRUE;
}
WriteFile( handle, buffer, len * sizeof(WCHAR), &count, FALSE );
}
return count + bom_count;
}
static int output_error( int msg )
{
WCHAR buffer[8192];
LoadStringW( GetModuleHandleW(NULL), msg, buffer, ARRAY_SIZE(buffer));
return output_string( GetStdHandle(STD_ERROR_HANDLE), L"%s", buffer );
}
static int output_text( const WCHAR *str, ULONG column_width )
{
return output_string( GetStdHandle(STD_OUTPUT_HANDLE), L"%-*s", column_width, str );
}
static int output_newline( void )
{
return output_string( GetStdHandle(STD_OUTPUT_HANDLE), L"\r\n" );
}
static WCHAR * strip_spaces(WCHAR *start)
{
WCHAR *str = start, *end;
while (*str == ' ')
str++;
end = start + lstrlenW(start) - 1;
while (end >= start && *end == ' ')
{
*end = '\0';
end--;
}
return str;
}
static HRESULT process_property_list( IWbemClassObject *obj, const WCHAR *proplist, WCHAR **ret )
{
WCHAR *p, *ctx, *ptr, *stripped;
HRESULT hr = S_OK;
if (!(p = wcsdup( proplist ))) return E_OUTOFMEMORY;
if (!(stripped = malloc( (wcslen( proplist ) + 1) * sizeof(**ret) )))
{
free( p );
return E_OUTOFMEMORY;
}
*stripped = 0;
/* Validate that every requested property is supported. */
ptr = wcstok_s( p, L",", &ctx );
while (ptr)
{
ptr = strip_spaces( ptr );
if (FAILED(IWbemClassObject_Get( obj, ptr, 0, NULL, NULL, NULL )))
{
hr = E_FAIL;
break;
}
if (*stripped) wcscat( stripped, L"," );
wcscat( stripped, ptr );
ptr = wcstok_s( NULL, L",", &ctx );
}
free( p );
if (SUCCEEDED(hr))
*ret = stripped;
else
{
free( stripped );
*ret = NULL;
}
return hr;
}
static void convert_to_bstr( VARIANT *v )
{
BSTR out = NULL;
VARTYPE vt;
if (SUCCEEDED(VariantChangeType( v, v, 0, VT_BSTR ))) return;
vt = V_VT(v);
if (vt == (VT_ARRAY | VT_BSTR))
{
unsigned int i, count, len;
BSTR *strings;
WCHAR *ptr;
if (FAILED(SafeArrayAccessData( V_ARRAY(v), (void **)&strings )))
{
WINE_ERR( "Could not access array.\n" );
goto done;
}
count = V_ARRAY(v)->rgsabound->cElements;
len = 0;
for (i = 0; i < count; ++i)
len += wcslen( strings[i] );
len += count * 2 + 2;
if (count) len += 2 * (count - 1);
out = SysAllocStringLen( NULL, len );
ptr = out;
*ptr++ = '{';
for (i = 0; i < count; ++i)
{
if (i)
{
memcpy( ptr, L", ", 2 * sizeof(*ptr) );
ptr += 2;
}
*ptr++ = '\"';
len = wcslen( strings[i] );
memcpy( ptr, strings[i], len * sizeof(*ptr) );
ptr += len;
*ptr++ = '\"';
}
*ptr++ = '}';
*ptr = 0;
SafeArrayUnaccessData( V_ARRAY(v) );
}
done:
VariantClear( v );
V_VT(v) = VT_BSTR;
V_BSTR(v) = out ? out : SysAllocString( L"" );
if (vt != VT_NULL && vt != VT_EMPTY && !out)
WINE_FIXME( "Could not convert variant, vt %u.\n", vt );
}
static int query_prop( const WCHAR *class, const WCHAR *propnames )
{
HRESULT hr;
IWbemLocator *locator = NULL;
IWbemServices *services = NULL;
IEnumWbemClassObject *result = NULL;
LONG flags = WBEM_FLAG_RETURN_IMMEDIATELY;
BSTR path = NULL, wql = NULL, query = NULL, name, str = NULL;
WCHAR *proplist = NULL;
int len, ret = -1;
IWbemClassObject *obj;
ULONG count, width = 0;
VARIANT v;
WINE_TRACE("%s, %s\n", debugstr_w(class), debugstr_w(propnames));
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(L"ROOT\\CIMV2" ))) goto done;
hr = IWbemLocator_ConnectServer( locator, path, NULL, NULL, NULL, 0, NULL, NULL, &services );
if (hr != S_OK) goto done;
if (!(str = SysAllocString( class ))) goto done;
hr = IWbemServices_GetObject( services, str, 0, NULL, &obj, NULL );
SysFreeString( str );
if (hr != S_OK)
{
WARN("Unrecognized class %s.\n", debugstr_w(class));
goto done;
}
/* Check that this class supports all requested properties. */
hr = process_property_list( obj, propnames, &proplist );
IWbemClassObject_Release( obj );
if (FAILED(hr))
{
output_error( STRING_INVALID_QUERY );
goto done;
}
len = lstrlenW( class ) + lstrlenW( proplist ) + ARRAY_SIZE(L"SELECT * FROM ");
if (!(query = SysAllocStringLen( NULL, len ))) goto done;
swprintf( query, len, L"SELECT %s FROM %s", proplist, class );
if (!(wql = SysAllocString(L"WQL" ))) 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;
IWbemClassObject_BeginEnumeration( obj, 0 );
while (IWbemClassObject_Next( obj, 0, &name, &v, NULL, NULL ) == S_OK)
{
convert_to_bstr( &v );
width = max( lstrlenW( V_BSTR( &v ) ), width );
VariantClear( &v );
SysFreeString( name );
}
IWbemClassObject_Release( obj );
}
width += 2;
/* Header */
IEnumWbemClassObject_Reset( result );
IEnumWbemClassObject_Next( result, WBEM_INFINITE, 1, &obj, &count );
if (count)
{
IWbemClassObject_BeginEnumeration( obj, 0 );
while (IWbemClassObject_Next( obj, 0, &name, NULL, NULL, NULL ) == S_OK)
{
output_text( name, width );
SysFreeString( name );
}
output_newline();
IWbemClassObject_Release( obj );
}
/* Values */
IEnumWbemClassObject_Reset( result );
for (;;)
{
IEnumWbemClassObject_Next( result, WBEM_INFINITE, 1, &obj, &count );
if (!count) break;
IWbemClassObject_BeginEnumeration( obj, 0 );
while (IWbemClassObject_Next( obj, 0, NULL, &v, NULL, NULL ) == S_OK)
{
convert_to_bstr( &v );
output_text( V_BSTR( &v ), width );
VariantClear( &v );
}
output_newline();
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 );
free( proplist );
CoUninitialize();
return ret;
}
int __cdecl wmain(int argc, WCHAR *argv[])
{
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], L"quit" ) || !wcsicmp( argv[i], L"exit" ))
{
return 0;
}
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if (!wcsicmp( argv[i], L"class") || !wcsicmp( argv[i], L"context" ))
{
WINE_FIXME( "command %s not supported\n", debugstr_w(argv[i]) );
goto not_supported;
}
if (!wcsicmp( argv[i], L"path" ))
{
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], L"get" ))
{
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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}