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Sweden-Number/dlls/msi/record.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2002-2004 Mike McCormack for CodeWeavers
*
* 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
*/
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/debug.h"
#include "msi.h"
#include "msiquery.h"
#include "msipriv.h"
#include "objidl.h"
#include "winnls.h"
#include "ole2.h"
#include "winreg.h"
#include "shlwapi.h"
#include "query.h"
WINE_DEFAULT_DEBUG_CHANNEL(msidb);
#define MSIFIELD_NULL 0
#define MSIFIELD_INT 1
#define MSIFIELD_STR 2
#define MSIFIELD_WSTR 3
#define MSIFIELD_STREAM 4
static void MSI_FreeField( MSIFIELD *field )
{
switch( field->type )
{
case MSIFIELD_NULL:
case MSIFIELD_INT:
break;
case MSIFIELD_WSTR:
msi_free( field->u.szwVal);
break;
case MSIFIELD_STREAM:
IStream_Release( field->u.stream );
break;
default:
ERR("Invalid field type %d\n", field->type);
}
}
static void MSI_CloseRecord( MSIOBJECTHDR *arg )
{
MSIRECORD *rec = (MSIRECORD *) arg;
UINT i;
for( i=0; i<=rec->count; i++ )
MSI_FreeField( &rec->fields[i] );
}
MSIRECORD *MSI_CreateRecord( unsigned int cParams )
{
MSIRECORD *rec;
UINT len;
TRACE("%d\n", cParams);
if( cParams>65535 )
return NULL;
len = sizeof (MSIRECORD) + sizeof (MSIFIELD)*cParams;
rec = alloc_msiobject( MSIHANDLETYPE_RECORD, len, MSI_CloseRecord );
if( rec )
rec->count = cParams;
return rec;
}
MSIHANDLE WINAPI MsiCreateRecord( unsigned int cParams )
{
MSIRECORD *rec;
MSIHANDLE ret = 0;
TRACE("%d\n", cParams);
rec = MSI_CreateRecord( cParams );
if( rec )
{
ret = alloc_msihandle( &rec->hdr );
msiobj_release( &rec->hdr );
}
return ret;
}
unsigned int MSI_RecordGetFieldCount( MSIRECORD *rec )
{
return rec->count;
}
unsigned int WINAPI MsiRecordGetFieldCount( MSIHANDLE handle )
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld\n", handle );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return -1;
msiobj_lock( &rec->hdr );
ret = MSI_RecordGetFieldCount( rec );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
static BOOL string2intW( LPCWSTR str, int *out )
{
int x = 0;
LPCWSTR p = str;
if( *p == '-' ) /* skip the minus sign */
p++;
while ( *p )
{
if( (*p < '0') || (*p > '9') )
return FALSE;
x *= 10;
x += (*p - '0');
p++;
}
if( str[0] == '-' ) /* check if it's negative */
x = -x;
*out = x;
return TRUE;
}
int MSI_RecordGetInteger( MSIRECORD *rec, unsigned int iField)
{
int ret = 0;
TRACE("%p %d\n", rec, iField );
if( iField > rec->count )
return MSI_NULL_INTEGER;
switch( rec->fields[iField].type )
{
case MSIFIELD_INT:
return rec->fields[iField].u.iVal;
case MSIFIELD_WSTR:
if( string2intW( rec->fields[iField].u.szwVal, &ret ) )
return ret;
return MSI_NULL_INTEGER;
default:
break;
}
return MSI_NULL_INTEGER;
}
int WINAPI MsiRecordGetInteger( MSIHANDLE handle, unsigned int iField)
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d\n", handle, iField );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return MSI_NULL_INTEGER;
msiobj_lock( &rec->hdr );
ret = MSI_RecordGetInteger( rec, iField );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
UINT WINAPI MsiRecordClearData( MSIHANDLE handle )
{
MSIRECORD *rec;
UINT i;
TRACE("%ld\n", handle );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
for( i=0; i<=rec->count; i++)
{
MSI_FreeField( &rec->fields[i] );
rec->fields[i].type = MSIFIELD_NULL;
rec->fields[i].u.iVal = 0;
}
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ERROR_SUCCESS;
}
UINT MSI_RecordSetInteger( MSIRECORD *rec, unsigned int iField, int iVal )
{
TRACE("%p %u %d\n", rec, iField, iVal);
if( iField > rec->count )
return ERROR_INVALID_PARAMETER;
MSI_FreeField( &rec->fields[iField] );
rec->fields[iField].type = MSIFIELD_INT;
rec->fields[iField].u.iVal = iVal;
return ERROR_SUCCESS;
}
UINT WINAPI MsiRecordSetInteger( MSIHANDLE handle, unsigned int iField, int iVal )
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %u %d\n", handle, iField, iVal);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
ret = MSI_RecordSetInteger( rec, iField, iVal );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
BOOL MSI_RecordIsNull( MSIRECORD *rec, unsigned int iField )
{
BOOL r = TRUE;
TRACE("%p %d\n", rec, iField );
r = ( iField > rec->count ) ||
( rec->fields[iField].type == MSIFIELD_NULL );
return r;
}
BOOL WINAPI MsiRecordIsNull( MSIHANDLE handle, unsigned int iField )
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d\n", handle, iField );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return 0;
msiobj_lock( &rec->hdr );
ret = MSI_RecordIsNull( rec, iField );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
UINT MSI_RecordGetStringA(MSIRECORD *rec, unsigned int iField,
LPSTR szValue, DWORD *pcchValue)
{
UINT len=0, ret;
CHAR buffer[16];
TRACE("%p %d %p %p\n", rec, iField, szValue, pcchValue);
if( iField > rec->count )
return ERROR_INVALID_PARAMETER;
ret = ERROR_SUCCESS;
switch( rec->fields[iField].type )
{
case MSIFIELD_INT:
wsprintfA(buffer, "%d", rec->fields[iField].u.iVal);
len = lstrlenA( buffer );
lstrcpynA(szValue, buffer, *pcchValue);
break;
case MSIFIELD_WSTR:
len = WideCharToMultiByte( CP_ACP, 0, rec->fields[iField].u.szwVal, -1,
NULL, 0 , NULL, NULL);
WideCharToMultiByte( CP_ACP, 0, rec->fields[iField].u.szwVal, -1,
szValue, *pcchValue, NULL, NULL);
if( *pcchValue && len>*pcchValue )
szValue[*pcchValue-1] = 0;
if( len )
len--;
break;
case MSIFIELD_NULL:
if( *pcchValue > 0 )
szValue[0] = 0;
break;
default:
ret = ERROR_INVALID_PARAMETER;
break;
}
if( *pcchValue <= len )
ret = ERROR_MORE_DATA;
*pcchValue = len;
return ret;
}
UINT WINAPI MsiRecordGetStringA(MSIHANDLE handle, unsigned int iField,
LPSTR szValue, DWORD *pcchValue)
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d %p %p\n", handle, iField, szValue, pcchValue);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
ret = MSI_RecordGetStringA( rec, iField, szValue, pcchValue);
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
const WCHAR *MSI_RecordGetString( MSIRECORD *rec, unsigned int iField )
{
if( iField > rec->count )
return NULL;
if( rec->fields[iField].type != MSIFIELD_WSTR )
return NULL;
return rec->fields[iField].u.szwVal;
}
UINT MSI_RecordGetStringW(MSIRECORD *rec, unsigned int iField,
LPWSTR szValue, DWORD *pcchValue)
{
UINT len=0, ret;
WCHAR buffer[16];
static const WCHAR szFormat[] = { '%','d',0 };
TRACE("%p %d %p %p\n", rec, iField, szValue, pcchValue);
if( iField > rec->count )
return ERROR_INVALID_PARAMETER;
ret = ERROR_SUCCESS;
switch( rec->fields[iField].type )
{
case MSIFIELD_INT:
wsprintfW(buffer, szFormat, rec->fields[iField].u.iVal);
len = lstrlenW( buffer );
lstrcpynW(szValue, buffer, *pcchValue);
break;
case MSIFIELD_WSTR:
len = lstrlenW( rec->fields[iField].u.szwVal );
lstrcpynW(szValue, rec->fields[iField].u.szwVal, *pcchValue);
break;
case MSIFIELD_NULL:
len = 1;
if( *pcchValue > 0 )
szValue[0] = 0;
default:
break;
}
if( *pcchValue <= len )
ret = ERROR_MORE_DATA;
*pcchValue = len;
return ret;
}
UINT WINAPI MsiRecordGetStringW(MSIHANDLE handle, unsigned int iField,
LPWSTR szValue, DWORD *pcchValue)
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d %p %p\n", handle, iField, szValue, pcchValue);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
ret = MSI_RecordGetStringW( rec, iField, szValue, pcchValue );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
static UINT msi_get_stream_size( IStream *stm )
{
STATSTG stat;
HRESULT r;
r = IStream_Stat( stm, &stat, STATFLAG_NONAME );
if( FAILED(r) )
return 0;
return stat.cbSize.QuadPart;
}
UINT MSI_RecordDataSize(MSIRECORD *rec, unsigned int iField)
{
TRACE("%p %d\n", rec, iField);
if( iField > rec->count )
return 0;
switch( rec->fields[iField].type )
{
case MSIFIELD_INT:
return sizeof (INT);
case MSIFIELD_WSTR:
return lstrlenW( rec->fields[iField].u.szwVal );
case MSIFIELD_NULL:
break;
case MSIFIELD_STREAM:
return msi_get_stream_size( rec->fields[iField].u.stream );
}
return 0;
}
UINT WINAPI MsiRecordDataSize(MSIHANDLE handle, unsigned int iField)
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d\n", handle, iField);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return 0;
msiobj_lock( &rec->hdr );
ret = MSI_RecordDataSize( rec, iField);
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
UINT MSI_RecordSetStringA( MSIRECORD *rec, unsigned int iField, LPCSTR szValue )
{
LPWSTR str;
TRACE("%p %d %s\n", rec, iField, debugstr_a(szValue));
if( iField > rec->count )
return ERROR_INVALID_FIELD;
MSI_FreeField( &rec->fields[iField] );
if( szValue && szValue[0] )
{
str = strdupAtoW( szValue );
rec->fields[iField].type = MSIFIELD_WSTR;
rec->fields[iField].u.szwVal = str;
}
else
{
rec->fields[iField].type = MSIFIELD_NULL;
rec->fields[iField].u.szwVal = NULL;
}
return 0;
}
UINT WINAPI MsiRecordSetStringA( MSIHANDLE handle, unsigned int iField, LPCSTR szValue )
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d %s\n", handle, iField, debugstr_a(szValue));
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
ret = MSI_RecordSetStringA( rec, iField, szValue );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
UINT MSI_RecordSetStringW( MSIRECORD *rec, unsigned int iField, LPCWSTR szValue )
{
LPWSTR str;
TRACE("%p %d %s\n", rec, iField, debugstr_w(szValue));
if( iField > rec->count )
return ERROR_INVALID_FIELD;
MSI_FreeField( &rec->fields[iField] );
if( szValue && szValue[0] )
{
str = strdupW( szValue );
rec->fields[iField].type = MSIFIELD_WSTR;
rec->fields[iField].u.szwVal = str;
}
else
{
rec->fields[iField].type = MSIFIELD_NULL;
rec->fields[iField].u.szwVal = NULL;
}
return 0;
}
UINT WINAPI MsiRecordSetStringW( MSIHANDLE handle, unsigned int iField, LPCWSTR szValue )
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d %s\n", handle, iField, debugstr_w(szValue));
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
ret = MSI_RecordSetStringW( rec, iField, szValue );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
/* read the data in a file into an IStream */
static UINT RECORD_StreamFromFile(LPCWSTR szFile, IStream **pstm)
{
DWORD sz, szHighWord = 0, read;
HANDLE handle;
HGLOBAL hGlob = 0;
HRESULT hr;
ULARGE_INTEGER ulSize;
TRACE("reading %s\n", debugstr_w(szFile));
/* read the file into memory */
handle = CreateFileW(szFile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
if( handle == INVALID_HANDLE_VALUE )
return GetLastError();
sz = GetFileSize(handle, &szHighWord);
if( sz != INVALID_FILE_SIZE && szHighWord == 0 )
{
hGlob = GlobalAlloc(GMEM_FIXED, sz);
if( hGlob )
{
BOOL r = ReadFile(handle, hGlob, sz, &read, NULL);
if( !r )
{
GlobalFree(hGlob);
hGlob = 0;
}
}
}
CloseHandle(handle);
if( !hGlob )
return ERROR_FUNCTION_FAILED;
/* make a stream out of it, and set the correct file size */
hr = CreateStreamOnHGlobal(hGlob, TRUE, pstm);
if( FAILED( hr ) )
{
GlobalFree(hGlob);
return ERROR_FUNCTION_FAILED;
}
/* set the correct size - CreateStreamOnHGlobal screws it up */
ulSize.QuadPart = sz;
IStream_SetSize(*pstm, ulSize);
TRACE("read %s, %ld bytes into IStream %p\n", debugstr_w(szFile), sz, *pstm);
return ERROR_SUCCESS;
}
UINT MSI_RecordSetStreamW(MSIRECORD *rec, unsigned int iField, LPCWSTR szFilename)
{
IStream *stm = NULL;
HRESULT r;
if( (iField == 0) || (iField > rec->count) )
return ERROR_INVALID_PARAMETER;
/* no filename means we should seek back to the start of the stream */
if( !szFilename )
{
LARGE_INTEGER ofs;
ULARGE_INTEGER cur;
if( rec->fields[iField].type != MSIFIELD_STREAM )
return ERROR_INVALID_FIELD;
stm = rec->fields[iField].u.stream;
if( !stm )
return ERROR_INVALID_FIELD;
ofs.QuadPart = 0;
r = IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur );
if( FAILED( r ) )
return ERROR_FUNCTION_FAILED;
}
else
{
/* read the file into a stream and save the stream in the record */
r = RECORD_StreamFromFile(szFilename, &stm);
if( r != ERROR_SUCCESS )
return r;
/* if all's good, store it in the record */
MSI_FreeField( &rec->fields[iField] );
rec->fields[iField].type = MSIFIELD_STREAM;
rec->fields[iField].u.stream = stm;
}
return ERROR_SUCCESS;
}
UINT WINAPI MsiRecordSetStreamA(MSIHANDLE hRecord, unsigned int iField, LPCSTR szFilename)
{
LPWSTR wstr = NULL;
UINT ret;
TRACE("%ld %d %s\n", hRecord, iField, debugstr_a(szFilename));
if( szFilename )
{
wstr = strdupAtoW( szFilename );
if( !wstr )
return ERROR_OUTOFMEMORY;
}
ret = MsiRecordSetStreamW(hRecord, iField, wstr);
msi_free(wstr);
return ret;
}
UINT WINAPI MsiRecordSetStreamW(MSIHANDLE handle, unsigned int iField, LPCWSTR szFilename)
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d %s\n", handle, iField, debugstr_w(szFilename));
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
ret = MSI_RecordSetStreamW( rec, iField, szFilename );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
UINT MSI_RecordReadStream(MSIRECORD *rec, unsigned int iField, char *buf, DWORD *sz)
{
ULONG count;
HRESULT r;
IStream *stm;
TRACE("%p %d %p %p\n", rec, iField, buf, sz);
if( !sz )
return ERROR_INVALID_PARAMETER;
if( iField > rec->count)
return ERROR_INVALID_PARAMETER;
if( rec->fields[iField].type != MSIFIELD_STREAM )
return ERROR_INVALID_DATATYPE;
stm = rec->fields[iField].u.stream;
if( !stm )
return ERROR_INVALID_PARAMETER;
/* if there's no buffer pointer, calculate the length to the end */
if( !buf )
{
LARGE_INTEGER ofs;
ULARGE_INTEGER end, cur;
ofs.QuadPart = cur.QuadPart = 0;
end.QuadPart = 0;
r = IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur );
IStream_Seek( stm, ofs, STREAM_SEEK_END, &end );
ofs.QuadPart = cur.QuadPart;
IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur );
*sz = end.QuadPart - cur.QuadPart;
return ERROR_SUCCESS;
}
/* read the data */
count = 0;
r = IStream_Read( stm, buf, *sz, &count );
if( FAILED( r ) )
{
*sz = 0;
return ERROR_FUNCTION_FAILED;
}
*sz = count;
return ERROR_SUCCESS;
}
UINT WINAPI MsiRecordReadStream(MSIHANDLE handle, unsigned int iField, char *buf, DWORD *sz)
{
MSIRECORD *rec;
UINT ret;
TRACE("%ld %d %p %p\n", handle, iField, buf, sz);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
msiobj_lock( &rec->hdr );
ret = MSI_RecordReadStream( rec, iField, buf, sz );
msiobj_unlock( &rec->hdr );
msiobj_release( &rec->hdr );
return ret;
}
UINT MSI_RecordSetIStream( MSIRECORD *rec, unsigned int iField, IStream *stm )
{
TRACE("%p %d %p\n", rec, iField, stm);
if( iField > rec->count )
return ERROR_INVALID_FIELD;
MSI_FreeField( &rec->fields[iField] );
rec->fields[iField].type = MSIFIELD_STREAM;
rec->fields[iField].u.stream = stm;
IStream_AddRef( stm );
return ERROR_SUCCESS;
}
UINT MSI_RecordGetIStream( MSIRECORD *rec, unsigned int iField, IStream **pstm)
{
TRACE("%p %d %p\n", rec, iField, pstm);
if( iField > rec->count )
return ERROR_INVALID_FIELD;
if( rec->fields[iField].type != MSIFIELD_STREAM )
return ERROR_INVALID_FIELD;
*pstm = rec->fields[iField].u.stream;
IStream_AddRef( *pstm );
return ERROR_SUCCESS;
}
static UINT msi_dump_stream_to_file( IStream *stm, LPCWSTR name )
{
ULARGE_INTEGER size;
LARGE_INTEGER pos;
IStream *out;
DWORD stgm;
HRESULT r;
stgm = STGM_READWRITE | STGM_SHARE_EXCLUSIVE | STGM_FAILIFTHERE;
r = SHCreateStreamOnFileW( name, stgm, &out );
if( FAILED( r ) )
return ERROR_FUNCTION_FAILED;
pos.QuadPart = 0;
r = IStream_Seek( stm, pos, STREAM_SEEK_END, &size );
if( FAILED( r ) )
goto end;
pos.QuadPart = 0;
r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
if( FAILED( r ) )
goto end;
r = IStream_CopyTo( stm, out, size, NULL, NULL );
end:
IStream_Release( out );
if( FAILED( r ) )
return ERROR_FUNCTION_FAILED;
return ERROR_SUCCESS;
}
UINT MSI_RecordStreamToFile( MSIRECORD *rec, unsigned int iField, LPCWSTR name )
{
IStream *stm = NULL;
UINT r;
TRACE("%p %u %s\n", rec, iField, debugstr_w(name));
msiobj_lock( &rec->hdr );
r = MSI_RecordGetIStream( rec, iField, &stm );
if( r == ERROR_SUCCESS )
{
r = msi_dump_stream_to_file( stm, name );
IStream_Release( stm );
}
msiobj_unlock( &rec->hdr );
return r;
}
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