Sweden-Number/dlls/oledb32/datainit.c

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/*
* Copyright (C) 2012 Alistair Leslie-Hughes
*
* 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
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "ole2.h"
#include "msdasc.h"
#include "oledberr.h"
#include "initguid.h"
#include "oledb_private.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(oledb);
DEFINE_GUID(DBPROPSET_DBINIT, 0xc8b522bc, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);
typedef struct datainit
{
IDataInitialize IDataInitialize_iface;
LONG ref;
} datainit;
static inline datainit *impl_from_IDataInitialize(IDataInitialize *iface)
{
return CONTAINING_RECORD(iface, datainit, IDataInitialize_iface);
}
typedef struct
{
IDBInitialize IDBInitialize_iface;
IDBProperties IDBProperties_iface;
LONG ref;
} dbinit;
static inline dbinit *impl_from_IDBInitialize(IDBInitialize *iface)
{
return CONTAINING_RECORD(iface, dbinit, IDBInitialize_iface);
}
static inline dbinit *impl_from_IDBProperties(IDBProperties *iface)
{
return CONTAINING_RECORD(iface, dbinit, IDBProperties_iface);
}
static HRESULT WINAPI dbprops_QueryInterface(IDBProperties *iface, REFIID riid, void **ppvObject)
{
dbinit *This = impl_from_IDBProperties(iface);
return IDBInitialize_QueryInterface(&This->IDBInitialize_iface, riid, ppvObject);
}
static ULONG WINAPI dbprops_AddRef(IDBProperties *iface)
{
dbinit *This = impl_from_IDBProperties(iface);
return IDBInitialize_AddRef(&This->IDBInitialize_iface);
}
static ULONG WINAPI dbprops_Release(IDBProperties *iface)
{
dbinit *This = impl_from_IDBProperties(iface);
return IDBInitialize_Release(&This->IDBInitialize_iface);
}
static HRESULT WINAPI dbprops_GetProperties(IDBProperties *iface, ULONG cPropertyIDSets,
const DBPROPIDSET rgPropertyIDSets[], ULONG *pcPropertySets, DBPROPSET **prgPropertySets)
{
dbinit *This = impl_from_IDBProperties(iface);
FIXME("(%p)->(%d %p %p %p)\n", This, cPropertyIDSets, rgPropertyIDSets, pcPropertySets, prgPropertySets);
return E_NOTIMPL;
}
static HRESULT WINAPI dbprops_GetPropertyInfo(IDBProperties *iface, ULONG cPropertyIDSets,
const DBPROPIDSET rgPropertyIDSets[], ULONG *pcPropertyInfoSets,
DBPROPINFOSET **prgPropertyInfoSets, OLECHAR **ppDescBuffer)
{
dbinit *This = impl_from_IDBProperties(iface);
FIXME("(%p)->(%d %p %p %p %p)\n", This, cPropertyIDSets, rgPropertyIDSets, pcPropertyInfoSets,
prgPropertyInfoSets, ppDescBuffer);
return E_NOTIMPL;
}
static HRESULT WINAPI dbprops_SetProperties(IDBProperties *iface, ULONG cPropertySets,
DBPROPSET rgPropertySets[])
{
dbinit *This = impl_from_IDBProperties(iface);
FIXME("(%p)->(%d %p)\n", This, cPropertySets, rgPropertySets);
return E_NOTIMPL;
}
static const struct IDBPropertiesVtbl dbprops_vtbl =
{
dbprops_QueryInterface,
dbprops_AddRef,
dbprops_Release,
dbprops_GetProperties,
dbprops_GetPropertyInfo,
dbprops_SetProperties
};
static HRESULT WINAPI dbinit_QueryInterface(IDBInitialize *iface, REFIID riid, void **obj)
{
dbinit *This = impl_from_IDBInitialize(iface);
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
*obj = NULL;
if(IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDBInitialize))
{
*obj = iface;
}
else if(IsEqualIID(riid, &IID_IDBProperties))
{
*obj = &This->IDBProperties_iface;
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IDBInitialize_AddRef(iface);
return S_OK;
}
static ULONG WINAPI dbinit_AddRef(IDBInitialize *iface)
{
dbinit *This = impl_from_IDBInitialize(iface);
TRACE("(%p)\n", This);
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI dbinit_Release(IDBInitialize *iface)
{
dbinit *This = impl_from_IDBInitialize(iface);
LONG ref;
TRACE("(%p)\n", This);
ref = InterlockedDecrement(&This->ref);
if(ref == 0)
{
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI dbinit_Initialize(IDBInitialize *iface)
{
dbinit *This = impl_from_IDBInitialize(iface);
FIXME("(%p) stub\n", This);
return S_OK;
}
static HRESULT WINAPI dbinit_Uninitialize(IDBInitialize *iface)
{
dbinit *This = impl_from_IDBInitialize(iface);
FIXME("(%p) stub\n", This);
return S_OK;
}
static const IDBInitializeVtbl dbinit_vtbl =
{
dbinit_QueryInterface,
dbinit_AddRef,
dbinit_Release,
dbinit_Initialize,
dbinit_Uninitialize
};
static HRESULT create_db_init(void **obj)
{
dbinit *This;
TRACE("()\n");
*obj = NULL;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if(!This) return E_OUTOFMEMORY;
This->IDBInitialize_iface.lpVtbl = &dbinit_vtbl;
This->IDBProperties_iface.lpVtbl = &dbprops_vtbl;
This->ref = 1;
*obj = &This->IDBInitialize_iface;
return S_OK;
}
static HRESULT WINAPI datainit_QueryInterface(IDataInitialize *iface, REFIID riid, void **obj)
{
datainit *This = impl_from_IDataInitialize(iface);
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
*obj = NULL;
if(IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDataInitialize))
{
*obj = &This->IDataInitialize_iface;
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IDataInitialize_AddRef(iface);
return S_OK;
}
static ULONG WINAPI datainit_AddRef(IDataInitialize *iface)
{
datainit *This = impl_from_IDataInitialize(iface);
TRACE("(%p)\n", This);
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI datainit_Release(IDataInitialize *iface)
{
datainit *This = impl_from_IDataInitialize(iface);
LONG ref;
TRACE("(%p)\n", This);
ref = InterlockedDecrement(&This->ref);
if(ref == 0)
{
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static void free_dbpropset(ULONG count, DBPROPSET *propset)
{
ULONG i;
for (i = 0; i < count; i++)
{
ULONG p;
for (p = 0; p < propset[i].cProperties; p++)
VariantClear(&propset[i].rgProperties[p].vValue);
CoTaskMemFree(propset[i].rgProperties);
}
CoTaskMemFree(propset);
}
struct dbproperty {
const WCHAR *name;
DBPROPID id;
DBPROPOPTIONS options;
VARTYPE type;
};
static const WCHAR datasourceW[] = {'D','a','t','a',' ','S','o','u','r','c','e',0};
static const WCHAR persistsiW[] = {'P','e','r','s','i','s','t',' ','S','e','c','u','r','i','t','y',' ','I','n','f','o',0};
static const struct dbproperty dbproperties[] = {
{ datasourceW, DBPROP_INIT_DATASOURCE, DBPROPOPTIONS_REQUIRED, VT_BSTR },
{ persistsiW, DBPROP_AUTH_PERSIST_SENSITIVE_AUTHINFO, DBPROPOPTIONS_OPTIONAL, VT_BOOL }
};
static HRESULT set_dbpropset(BSTR name, BSTR value, DBPROPSET **propset)
{
VARIANT src, dest;
int min, max, n;
HRESULT hr;
min = 0;
max = sizeof(dbproperties)/sizeof(struct dbproperty) - 1;
while (min <= max)
{
int r;
n = (min+max)/2;
r = strcmpW(dbproperties[n].name, name);
if (!r)
break;
if (r < 0)
min = n+1;
else
max = n-1;
}
if (min > max)
{
*propset = NULL;
FIXME("unsupported property %s\n", debugstr_w(name));
return E_FAIL;
}
VariantInit(&dest);
V_VT(&src) = VT_BSTR;
V_BSTR(&src) = value;
hr = VariantChangeType(&dest, &src, 0, dbproperties[n].type);
if (FAILED(hr))
{
ERR("failed to init property %s value as type %d\n", debugstr_w(name), dbproperties[n].type);
return hr;
}
*propset = CoTaskMemAlloc(sizeof(DBPROPSET));
if (!*propset)
{
VariantClear(&dest);
return E_OUTOFMEMORY;
}
(*propset)->rgProperties = CoTaskMemAlloc(sizeof(DBPROP));
if (!(*propset)->rgProperties)
{
VariantClear(&dest);
CoTaskMemFree(*propset);
return E_OUTOFMEMORY;
}
(*propset)->cProperties = 1;
(*propset)->guidPropertySet = DBPROPSET_DBINIT;
(*propset)->rgProperties[0].dwPropertyID = dbproperties[n].id;
(*propset)->rgProperties[0].dwOptions = dbproperties[n].options;
(*propset)->rgProperties[0].dwStatus = 0;
memset(&(*propset)->rgProperties[0].colid, 0, sizeof(DBID));
(*propset)->rgProperties[0].vValue = dest;
return S_OK;
}
/*** IDataInitialize methods ***/
static HRESULT WINAPI datainit_GetDataSource(IDataInitialize *iface, IUnknown *outer, DWORD clsctx,
LPWSTR initstring, REFIID riid, IUnknown **datasource)
{
static const WCHAR providerW[] = {'P','r','o','v','i','d','e','r','=',0};
static const WCHAR msdasqlW[] = {'M','S','D','A','S','Q','L',0};
datainit *This = impl_from_IDataInitialize(iface);
IDBProperties *dbprops;
DBPROPSET *propset;
WCHAR *prov = NULL;
CLSID provclsid;
HRESULT hr;
TRACE("(%p)->(%p 0x%x %s %s %p)\n", This, outer, clsctx, debugstr_w(initstring), debugstr_guid(riid), datasource);
/* first get provider name */
provclsid = IID_NULL;
if (initstring && (prov = strstrW(initstring, providerW)))
{
WCHAR *start, *progid;
int len;
prov += sizeof(providerW)/sizeof(WCHAR)-1;
start = prov;
while (*prov && *prov != ';')
++prov;
TRACE("got provider %s\n", debugstr_wn(start, prov-start));
len = prov - start;
progid = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
if (!progid) return E_OUTOFMEMORY;
memcpy(progid, start, len*sizeof(WCHAR));
progid[len] = 0;
hr = CLSIDFromProgID(progid, &provclsid);
CoTaskMemFree(progid);
if (FAILED(hr))
{
ERR("provider %s not registered\n", debugstr_wn(start, prov-start));
return hr;
}
}
else
{
hr = CLSIDFromProgID(msdasqlW, &provclsid);
if (FAILED(hr))
ERR("ODBC provider for OLE DB not registered\n");
}
/* check for provider mismatch if it was specified in init string */
if (*datasource && prov)
{
DBPROPIDSET propidset;
enum DBPROPENUM prop;
CLSID initprov;
ULONG count;
hr = IUnknown_QueryInterface(*datasource, &IID_IDBProperties, (void**)&dbprops);
if (FAILED(hr))
{
WARN("provider doesn't support IDBProperties\n");
return hr;
}
prop = DBPROP_INIT_DATASOURCE;
propidset.rgPropertyIDs = &prop;
propidset.cPropertyIDs = 1;
propidset.guidPropertySet = DBPROPSET_DBINIT;
count = 0;
propset = NULL;
hr = IDBProperties_GetProperties(dbprops, 1, &propidset, &count, &propset);
IDBProperties_Release(dbprops);
if (FAILED(hr))
{
WARN("GetProperties failed for datasource, 0x%08x\n", hr);
return hr;
}
TRACE("initial data source provider %s\n", debugstr_w(V_BSTR(&propset->rgProperties[0].vValue)));
initprov = IID_NULL;
CLSIDFromProgID(V_BSTR(&propset->rgProperties[0].vValue), &initprov);
free_dbpropset(count, propset);
if (!IsEqualIID(&provclsid, &initprov)) return DB_E_MISMATCHEDPROVIDER;
}
if (!*datasource)
{
if (!IsEqualIID(&provclsid, &IID_NULL))
hr = CoCreateInstance(&provclsid, outer, clsctx, riid, (void**)datasource);
if (FAILED(hr) && IsEqualIID(riid, &IID_IDBInitialize))
hr = create_db_init((void**)datasource);
}
/* now set properties */
if (initstring)
{
WCHAR *eq, *start;
hr = IUnknown_QueryInterface(*datasource, &IID_IDBProperties, (void**)&dbprops);
if (FAILED(hr))
{
WARN("provider doesn't support IDBProperties\n");
return hr;
}
start = initstring;
while (start && (eq = strchrW(start, '=')))
{
static const WCHAR providerW[] = {'P','r','o','v','i','d','e','r',0};
WCHAR *scol = strchrW(eq+1, ';');
BSTR value, name;
name = SysAllocStringLen(start, eq - start);
/* skip equal sign to get value */
eq++;
value = SysAllocStringLen(eq, scol ? scol - eq : -1);
/* skip semicolon if present */
if (scol) scol++;
start = scol;
if (!strcmpW(name, providerW))
{
SysFreeString(name);
SysFreeString(value);
continue;
}
TRACE("property (name=%s, value=%s)\n", debugstr_w(name), debugstr_w(value));
hr = set_dbpropset(name, value, &propset);
SysFreeString(name);
SysFreeString(value);
if (FAILED(hr)) return hr;
hr = IDBProperties_SetProperties(dbprops, 1, propset);
free_dbpropset(1, propset);
TRACE("provider ret 0x%08x\n", hr);
}
IDBProperties_Release(dbprops);
}
return hr;
}
/* returns character length of string representation */
static int get_propvalue_length(DBPROP *prop)
{
VARIANT str;
HRESULT hr;
if (V_VT(&prop->vValue) == VT_BSTR) return SysStringLen(V_BSTR(&prop->vValue));
VariantInit(&str);
hr = VariantChangeType(&str, &prop->vValue, 0, VT_BSTR);
if (hr == S_OK)
{
int len = SysStringLen(V_BSTR(&str));
VariantClear(&str);
return len;
}
return 0;
}
static void write_propvalue_str(WCHAR *str, DBPROP *prop)
{
VARIANT *v = &prop->vValue;
VARIANT vstr;
HRESULT hr;
if (V_VT(v) == VT_BSTR)
{
strcatW(str, V_BSTR(v));
return;
}
VariantInit(&vstr);
hr = VariantChangeType(&vstr, v, VARIANT_ALPHABOOL, VT_BSTR);
if (hr == S_OK)
{
strcatW(str, V_BSTR(&vstr));
VariantClear(&vstr);
}
}
static WCHAR *get_propinfo_descr(DBPROP *prop, DBPROPINFOSET *propinfoset)
{
ULONG i;
for (i = 0; i < propinfoset->cPropertyInfos; i++)
if (propinfoset->rgPropertyInfos[i].dwPropertyID == prop->dwPropertyID)
return propinfoset->rgPropertyInfos[i].pwszDescription;
return NULL;
}
static void free_dbpropinfoset(ULONG count, DBPROPINFOSET *propinfoset)
{
ULONG i;
for (i = 0; i < count; i++)
{
ULONG p;
for (p = 0; p < propinfoset[i].cPropertyInfos; p++)
VariantClear(&propinfoset[i].rgPropertyInfos[p].vValues);
CoTaskMemFree(propinfoset[i].rgPropertyInfos);
}
CoTaskMemFree(propinfoset);
}
static HRESULT WINAPI datainit_GetInitializationString(IDataInitialize *iface, IUnknown *datasource,
boolean include_pass, LPWSTR *init_string)
{
static const WCHAR provW[] = {'P','r','o','v','i','d','e','r','=',0};
static const WCHAR colW[] = {';',0};
datainit *This = impl_from_IDataInitialize(iface);
DBPROPINFOSET *propinfoset;
IDBProperties *props;
DBPROPIDSET propidset;
ULONG count, infocount;
WCHAR *progid, *desc;
DBPROPSET *propset;
IPersist *persist;
HRESULT hr;
CLSID clsid;
ULONG i, len;
TRACE("(%p)->(%p %d %p)\n", This, datasource, include_pass, init_string);
/* IPersist support is mandatory for data sources */
hr = IUnknown_QueryInterface(datasource, &IID_IPersist, (void**)&persist);
if (FAILED(hr)) return hr;
memset(&clsid, 0, sizeof(clsid));
hr = IPersist_GetClassID(persist, &clsid);
IPersist_Release(persist);
if (FAILED(hr)) return hr;
progid = NULL;
ProgIDFromCLSID(&clsid, &progid);
TRACE("clsid=%s, progid=%s\n", debugstr_guid(&clsid), debugstr_w(progid));
/* now get initialization properties */
hr = IUnknown_QueryInterface(datasource, &IID_IDBProperties, (void**)&props);
if (FAILED(hr))
{
WARN("IDBProperties not supported\n");
CoTaskMemFree(progid);
return hr;
}
propidset.rgPropertyIDs = NULL;
propidset.cPropertyIDs = 0;
propidset.guidPropertySet = DBPROPSET_DBINIT;
propset = NULL;
count = 0;
hr = IDBProperties_GetProperties(props, 1, &propidset, &count, &propset);
if (FAILED(hr))
{
WARN("failed to get data source properties, 0x%08x\n", hr);
CoTaskMemFree(progid);
return hr;
}
infocount = 0;
IDBProperties_GetPropertyInfo(props, 1, &propidset, &infocount, &propinfoset, &desc);
IDBProperties_Release(props);
/* check if we need to skip password */
len = strlenW(progid) + strlenW(provW) + 1; /* including ';' */
for (i = 0; i < count; i++)
{
WCHAR *descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
if (descr)
{
/* include '=' and ';' */
len += strlenW(descr) + 2;
len += get_propvalue_length(&propset->rgProperties[i]);
}
if ((propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PERSIST_SENSITIVE_AUTHINFO) &&
(V_BOOL(&propset->rgProperties[i].vValue) == VARIANT_FALSE))
include_pass = FALSE;
}
len *= sizeof(WCHAR);
*init_string = CoTaskMemAlloc(len);
*init_string[0] = 0;
/* provider name */
strcatW(*init_string, provW);
strcatW(*init_string, progid);
strcatW(*init_string, colW);
CoTaskMemFree(progid);
for (i = 0; i < count; i++)
{
WCHAR *descr;
if (!include_pass && propset->rgProperties[i].dwPropertyID == DBPROP_AUTH_PASSWORD) continue;
descr = get_propinfo_descr(&propset->rgProperties[i], propinfoset);
if (descr)
{
static const WCHAR eqW[] = {'=',0};
strcatW(*init_string, descr);
strcatW(*init_string, eqW);
write_propvalue_str(*init_string, &propset->rgProperties[i]);
strcatW(*init_string, colW);
}
}
free_dbpropset(count, propset);
free_dbpropinfoset(infocount, propinfoset);
CoTaskMemFree(desc);
if (!include_pass)
TRACE("%s\n", debugstr_w(*init_string));
return S_OK;
}
static HRESULT WINAPI datainit_CreateDBInstance(IDataInitialize *iface, REFCLSID provider,
IUnknown *outer, DWORD clsctx, LPWSTR reserved, REFIID riid,
IUnknown **datasource)
{
datainit *This = impl_from_IDataInitialize(iface);
TRACE("(%p)->(%s %p 0x%08x %s %s %p)\n", This, debugstr_guid(provider), outer, clsctx, debugstr_w(reserved),
debugstr_guid(riid), datasource);
return CoCreateInstance(provider, outer, clsctx, riid, (void**)datasource);
}
static HRESULT WINAPI datainit_RemoteCreateDBInstanceEx(IDataInitialize *iface, REFCLSID clsidProvider,
IUnknown *pUnkOuter, DWORD dwClsCtx, LPWSTR pwszReserved, COSERVERINFO *pServerInfo,
DWORD cmq, GUID **rgpIID, IUnknown **rgpItf, HRESULT *rghr)
{
datainit *This = impl_from_IDataInitialize(iface);
FIXME("(%p)->()\n", This);
return E_NOTIMPL;
}
static HRESULT WINAPI datainit_LoadStringFromStorage(IDataInitialize *iface, LPWSTR pwszFileName,
LPWSTR *ppwszInitializationString)
{
datainit *This = impl_from_IDataInitialize(iface);
FIXME("(%p)->(%s %p)\n", This, debugstr_w(pwszFileName), ppwszInitializationString);
return E_NOTIMPL;
}
static HRESULT WINAPI datainit_WriteStringToStorage(IDataInitialize *iface, LPWSTR pwszFileName,
LPWSTR pwszInitializationString, DWORD dwCreationDisposition)
{
datainit *This = impl_from_IDataInitialize(iface);
FIXME("(%p)->(%s %s %d)\n", This, debugstr_w(pwszFileName), debugstr_w(pwszInitializationString), dwCreationDisposition);
return E_NOTIMPL;
}
static const struct IDataInitializeVtbl datainit_vtbl =
{
datainit_QueryInterface,
datainit_AddRef,
datainit_Release,
datainit_GetDataSource,
datainit_GetInitializationString,
datainit_CreateDBInstance,
datainit_RemoteCreateDBInstanceEx,
datainit_LoadStringFromStorage,
datainit_WriteStringToStorage
};
HRESULT create_data_init(IUnknown *outer, void **obj)
{
datainit *This;
TRACE("(%p)\n", obj);
if(outer) return CLASS_E_NOAGGREGATION;
*obj = NULL;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if(!This) return E_OUTOFMEMORY;
This->IDataInitialize_iface.lpVtbl = &datainit_vtbl;
This->ref = 1;
*obj = &This->IDataInitialize_iface;
return S_OK;
}