Sweden-Number/dlls/msi/storages.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2008 James Hawkins
*
* 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 "ole2.h"
#include "msi.h"
#include "msiquery.h"
#include "objbase.h"
#include "msipriv.h"
#include "query.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msidb);
#define NUM_STORAGES_COLS 2
#define MAX_STORAGES_NAME_LEN 62
typedef struct tabSTORAGE
{
UINT str_index;
IStorage *storage;
} STORAGE;
typedef struct tagMSISTORAGESVIEW
{
MSIVIEW view;
MSIDATABASE *db;
STORAGE *storages;
UINT max_storages;
UINT num_rows;
UINT row_size;
} MSISTORAGESVIEW;
static BOOL storages_set_table_size(MSISTORAGESVIEW *sv, UINT size)
{
if (size >= sv->max_storages)
{
sv->max_storages *= 2;
sv->storages = msi_realloc(sv->storages, sv->max_storages * sizeof(*sv->storages));
if (!sv->storages)
return FALSE;
}
return TRUE;
}
static UINT STORAGES_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
if (col != 1)
return ERROR_INVALID_PARAMETER;
if (row >= sv->num_rows)
return ERROR_NO_MORE_ITEMS;
*val = sv->storages[row].str_index;
return ERROR_SUCCESS;
}
static UINT STORAGES_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
if (row >= sv->num_rows)
return ERROR_FUNCTION_FAILED;
return ERROR_INVALID_DATA;
}
static UINT STORAGES_set_string( struct tagMSIVIEW *view, UINT row, UINT col, const WCHAR *val, int len )
{
ERR("Cannot modify primary key.\n");
return ERROR_FUNCTION_FAILED;
}
static HRESULT stream_to_storage(IStream *stm, IStorage **stg)
{
ILockBytes *lockbytes = NULL;
STATSTG stat;
LPVOID data;
HRESULT hr;
DWORD size, read;
ULARGE_INTEGER offset;
hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
if (FAILED(hr))
return hr;
if (stat.cbSize.QuadPart >> 32)
{
ERR("Storage is too large\n");
return E_FAIL;
}
size = stat.cbSize.QuadPart;
data = msi_alloc(size);
if (!data)
return E_OUTOFMEMORY;
hr = IStream_Read(stm, data, size, &read);
if (FAILED(hr) || read != size)
goto done;
hr = CreateILockBytesOnHGlobal(NULL, TRUE, &lockbytes);
if (FAILED(hr))
goto done;
ZeroMemory(&offset, sizeof(ULARGE_INTEGER));
hr = ILockBytes_WriteAt(lockbytes, offset, data, size, &read);
if (FAILED(hr) || read != size)
goto done;
hr = StgOpenStorageOnILockBytes(lockbytes, NULL,
STGM_READWRITE | STGM_SHARE_DENY_NONE,
NULL, 0, stg);
if (FAILED(hr))
goto done;
done:
msi_free(data);
if (lockbytes) ILockBytes_Release(lockbytes);
return hr;
}
static UINT STORAGES_set_stream( MSIVIEW *view, UINT row, UINT col, IStream *stream )
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
IStorage *stg, *substg, *prev;
const WCHAR *name;
HRESULT hr;
UINT r;
TRACE("view %p, row %u, col %u, stream %p.\n", view, row, col, stream);
if ((r = stream_to_storage(stream, &stg)))
return r;
name = msi_string_lookup(sv->db->strings, sv->storages[row].str_index, NULL);
hr = IStorage_CreateStorage(sv->db->storage, name,
STGM_WRITE | STGM_SHARE_EXCLUSIVE,
0, 0, &substg);
if (FAILED(hr))
{
IStorage_Release(stg);
return ERROR_FUNCTION_FAILED;
}
hr = IStorage_CopyTo(stg, 0, NULL, NULL, substg);
if (FAILED(hr))
{
IStorage_Release(substg);
IStorage_Release(stg);
return ERROR_FUNCTION_FAILED;
}
IStorage_Release(substg);
prev = sv->storages[row].storage;
sv->storages[row].storage = stg;
if (prev) IStorage_Release(prev);
return ERROR_SUCCESS;
}
static UINT STORAGES_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
IStorage *stg, *substg = NULL, *prev;
IStream *stm;
LPWSTR name = NULL;
HRESULT hr;
UINT r = ERROR_FUNCTION_FAILED;
TRACE("(%p, %p)\n", view, rec);
if (row >= sv->num_rows)
return ERROR_FUNCTION_FAILED;
r = MSI_RecordGetIStream(rec, 2, &stm);
if (r != ERROR_SUCCESS)
return r;
r = stream_to_storage(stm, &stg);
if (r != ERROR_SUCCESS)
{
IStream_Release(stm);
return r;
}
name = strdupW(MSI_RecordGetString(rec, 1));
if (!name)
{
r = ERROR_OUTOFMEMORY;
goto done;
}
hr = IStorage_CreateStorage(sv->db->storage, name,
STGM_WRITE | STGM_SHARE_EXCLUSIVE,
0, 0, &substg);
if (FAILED(hr))
{
r = ERROR_FUNCTION_FAILED;
goto done;
}
hr = IStorage_CopyTo(stg, 0, NULL, NULL, substg);
if (FAILED(hr))
{
r = ERROR_FUNCTION_FAILED;
goto done;
}
prev = sv->storages[row].storage;
sv->storages[row].str_index = msi_add_string(sv->db->strings, name, -1, FALSE);
IStorage_AddRef(stg);
sv->storages[row].storage = stg;
if (prev) IStorage_Release(prev);
done:
msi_free(name);
if (substg) IStorage_Release(substg);
IStorage_Release(stg);
IStream_Release(stm);
return r;
}
static UINT STORAGES_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
if (!storages_set_table_size(sv, ++sv->num_rows))
return ERROR_FUNCTION_FAILED;
if (row == -1)
row = sv->num_rows - 1;
memset(&sv->storages[row], 0, sizeof(sv->storages[row]));
/* FIXME have to readjust rows */
return STORAGES_set_row(view, row, rec, 0);
}
static UINT STORAGES_delete_row(struct tagMSIVIEW *view, UINT row)
{
FIXME("(%p %d): stub!\n", view, row);
return ERROR_SUCCESS;
}
static UINT STORAGES_execute(struct tagMSIVIEW *view, MSIRECORD *record)
{
TRACE("(%p, %p)\n", view, record);
return ERROR_SUCCESS;
}
static UINT STORAGES_close(struct tagMSIVIEW *view)
{
TRACE("(%p)\n", view);
return ERROR_SUCCESS;
}
static UINT STORAGES_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
TRACE("(%p, %p, %p)\n", view, rows, cols);
if (cols) *cols = NUM_STORAGES_COLS;
if (rows) *rows = sv->num_rows;
return ERROR_SUCCESS;
}
static UINT STORAGES_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
UINT *type, BOOL *temporary, LPCWSTR *table_name )
{
TRACE("(%p, %d, %p, %p, %p, %p)\n", view, n, name, type, temporary,
table_name);
if (n == 0 || n > NUM_STORAGES_COLS)
return ERROR_INVALID_PARAMETER;
switch (n)
{
case 1:
if (name) *name = L"Name";
if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MAX_STORAGES_NAME_LEN;
break;
case 2:
if (name) *name = L"Data";
if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
break;
}
if (table_name) *table_name = L"_Storages";
if (temporary) *temporary = FALSE;
return ERROR_SUCCESS;
}
static UINT storages_find_row(MSISTORAGESVIEW *sv, MSIRECORD *rec, UINT *row)
{
LPCWSTR str;
UINT r, i, id, data;
str = MSI_RecordGetString(rec, 1);
r = msi_string2id(sv->db->strings, str, -1, &id);
if (r != ERROR_SUCCESS)
return r;
for (i = 0; i < sv->num_rows; i++)
{
STORAGES_fetch_int(&sv->view, i, 1, &data);
if (data == id)
{
*row = i;
return ERROR_SUCCESS;
}
}
return ERROR_FUNCTION_FAILED;
}
static UINT storages_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
UINT r, row;
r = storages_find_row(sv, rec, &row);
if (r != ERROR_SUCCESS)
return ERROR_FUNCTION_FAILED;
return STORAGES_set_row(view, row, rec, 0);
}
static UINT storages_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
UINT r, row;
r = storages_find_row(sv, rec, &row);
if (r == ERROR_SUCCESS)
return storages_modify_update(view, rec);
return STORAGES_insert_row(view, rec, -1, FALSE);
}
static UINT STORAGES_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
{
UINT r;
TRACE("%p %d %p\n", view, eModifyMode, rec);
switch (eModifyMode)
{
case MSIMODIFY_ASSIGN:
r = storages_modify_assign(view, rec);
break;
case MSIMODIFY_INSERT:
r = STORAGES_insert_row(view, rec, -1, FALSE);
break;
case MSIMODIFY_UPDATE:
r = storages_modify_update(view, rec);
break;
case MSIMODIFY_VALIDATE_NEW:
case MSIMODIFY_INSERT_TEMPORARY:
case MSIMODIFY_REFRESH:
case MSIMODIFY_REPLACE:
case MSIMODIFY_MERGE:
case MSIMODIFY_DELETE:
case MSIMODIFY_VALIDATE:
case MSIMODIFY_VALIDATE_FIELD:
case MSIMODIFY_VALIDATE_DELETE:
FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
r = ERROR_CALL_NOT_IMPLEMENTED;
break;
default:
r = ERROR_INVALID_DATA;
}
return r;
}
static UINT STORAGES_delete(struct tagMSIVIEW *view)
{
MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
UINT i;
TRACE("(%p)\n", view);
for (i = 0; i < sv->num_rows; i++)
{
if (sv->storages[i].storage)
IStorage_Release(sv->storages[i].storage);
}
msi_free(sv->storages);
sv->storages = NULL;
msi_free(sv);
return ERROR_SUCCESS;
}
static const MSIVIEWOPS storages_ops =
{
STORAGES_fetch_int,
STORAGES_fetch_stream,
NULL,
STORAGES_set_string,
STORAGES_set_stream,
STORAGES_set_row,
STORAGES_insert_row,
STORAGES_delete_row,
STORAGES_execute,
STORAGES_close,
STORAGES_get_dimensions,
STORAGES_get_column_info,
STORAGES_modify,
STORAGES_delete,
NULL,
NULL,
NULL,
NULL,
NULL,
};
static INT add_storages_to_table(MSISTORAGESVIEW *sv)
{
IEnumSTATSTG *stgenum = NULL;
STATSTG stat;
HRESULT hr;
UINT count = 0, size;
hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
if (FAILED(hr))
return -1;
sv->max_storages = 1;
sv->storages = msi_alloc(sizeof(*sv->storages));
if (!sv->storages)
return -1;
while (TRUE)
{
size = 0;
hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
if (FAILED(hr) || !size)
break;
if (stat.type != STGTY_STORAGE)
{
CoTaskMemFree(stat.pwcsName);
continue;
}
TRACE("enumerated storage %s\n", debugstr_w(stat.pwcsName));
if (!storages_set_table_size(sv, ++count))
{
count = -1;
break;
}
sv->storages[count - 1].str_index = msi_add_string(sv->db->strings, stat.pwcsName, -1, FALSE);
sv->storages[count - 1].storage = NULL;
IStorage_OpenStorage(sv->db->storage, stat.pwcsName, NULL,
STGM_READ | STGM_SHARE_EXCLUSIVE, NULL, 0,
&sv->storages[count - 1].storage);
CoTaskMemFree(stat.pwcsName);
}
IEnumSTATSTG_Release(stgenum);
return count;
}
UINT STORAGES_CreateView(MSIDATABASE *db, MSIVIEW **view)
{
MSISTORAGESVIEW *sv;
INT rows;
TRACE("(%p, %p)\n", db, view);
sv = msi_alloc_zero( sizeof(MSISTORAGESVIEW) );
if (!sv)
return ERROR_FUNCTION_FAILED;
sv->view.ops = &storages_ops;
sv->db = db;
rows = add_storages_to_table(sv);
if (rows < 0)
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{
msi_free( sv );
return ERROR_FUNCTION_FAILED;
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}
sv->num_rows = rows;
*view = (MSIVIEW *)sv;
return ERROR_SUCCESS;
}