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msi: Change the property variant if the types don't match.

This commit is contained in:
James Hawkins 2008-02-27 02:39:21 -06:00 committed by Alexandre Julliard
parent 47120f5003
commit 9101665233
1 changed files with 51 additions and 27 deletions
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78
dlls/msi/suminfo.c
View File

@ -34,6 +34,7 @@
#include "msidefs.h"
#include "msipriv.h"
#include "objidl.h"
#include "propvarutil.h"
#include "msiserver.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
@ -78,6 +79,10 @@ typedef struct {
#include "poppack.h"
static HRESULT (WINAPI *pPropVariantChangeType)
(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
PROPVAR_CHANGE_FLAGS flags, VARTYPE vt);
#define SECT_HDR_SIZE (sizeof(PROPERTYSECTIONHEADER))
static const WCHAR szSumInfo[] = { 5 ,'S','u','m','m','a','r','y',
@ -144,6 +149,22 @@ static UINT get_property_count( const PROPVARIANT *property )
return n;
}
static UINT propvar_changetype(PROPVARIANT *changed, PROPVARIANT *property, VARTYPE vt)
{
HRESULT hr;
HMODULE propsys = LoadLibraryA("propsys.dll");
pPropVariantChangeType = (void *)GetProcAddress(propsys, "PropVariantChangeType");
if (!pPropVariantChangeType)
{
ERR("PropVariantChangeType function missing!\n");
return ERROR_FUNCTION_FAILED;
}
hr = pPropVariantChangeType(changed, property, 0, vt);
return (hr == S_OK) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
}
/* FIXME: doesn't deal with endian conversion */
static void read_properties_from_data( PROPVARIANT *prop, LPBYTE data, DWORD sz )
{
@ -151,7 +172,8 @@ static void read_properties_from_data( PROPVARIANT *prop, LPBYTE data, DWORD sz
DWORD i;
int size;
PROPERTY_DATA *propdata;
PROPVARIANT *property;
PROPVARIANT property, *ptr;
PROPVARIANT changed;
PROPERTYIDOFFSET *idofs;
PROPERTYSECTIONHEADER *section_hdr;
@ -161,6 +183,12 @@ static void read_properties_from_data( PROPVARIANT *prop, LPBYTE data, DWORD sz
/* now set all the properties */
for( i = 0; i < section_hdr->cProperties; i++ )
{
if( idofs[i].propid >= MSI_MAX_PROPS )
{
ERR("Unknown property ID %d\n", idofs[i].propid );
break;
}
type = get_type( idofs[i].propid );
if( type == VT_EMPTY )
{
@ -170,45 +198,41 @@ static void read_properties_from_data( PROPVARIANT *prop, LPBYTE data, DWORD sz
propdata = (PROPERTY_DATA*) &data[ idofs[i].dwOffset ];
/* check the type is the same as we expect */
if( type != propdata->type )
{
ERR("wrong type %d != %d\n", type, propdata->type);
break;
}
/* check we don't run off the end of the data */
size = sz - idofs[i].dwOffset - sizeof(DWORD);
if( sizeof(DWORD) > size ||
( type == VT_FILETIME && sizeof(FILETIME) > size ) ||
( type == VT_LPSTR && (propdata->u.str.len + sizeof(DWORD)) > size ) )
( propdata->type == VT_FILETIME && sizeof(FILETIME) > size ) ||
( propdata->type == VT_LPSTR && (propdata->u.str.len + sizeof(DWORD)) > size ) )
{
ERR("not enough data\n");
break;
}
if( idofs[i].propid >= MSI_MAX_PROPS )
{
ERR("Unknown property ID %d\n", idofs[i].propid );
break;
}
property = &prop[ idofs[i].propid ];
property->vt = type;
if( type == VT_LPSTR )
property.vt = propdata->type;
if( propdata->type == VT_LPSTR )
{
LPSTR str = msi_alloc( propdata->u.str.len );
memcpy( str, propdata->u.str.str, propdata->u.str.len );
str[ propdata->u.str.len - 1 ] = 0;
property->u.pszVal = str;
property.u.pszVal = str;
}
else if( type == VT_FILETIME )
property->u.filetime = propdata->u.ft;
else if( type == VT_I2 )
property->u.iVal = propdata->u.i2;
else if( type == VT_I4 )
property->u.lVal = propdata->u.i4;
else if( propdata->type == VT_FILETIME )
property.u.filetime = propdata->u.ft;
else if( propdata->type == VT_I2 )
property.u.iVal = propdata->u.i2;
else if( propdata->type == VT_I4 )
property.u.lVal = propdata->u.i4;
/* check the type is the same as we expect */
if( type != propdata->type )
{
propvar_changetype(&changed, &property, type);
ptr = &changed;
}
else
ptr = &property;
memcpy(&prop[ idofs[i].propid ], ptr, sizeof(PROPVARIANT));
}
}