Commit 92013d7b authored by Nikolay Sivov's avatar Nikolay Sivov Committed by Alexandre Julliard

oledb32: Implement IDataInitialize::GetInitializationString.

parent d587a1f1
......@@ -27,13 +27,15 @@
#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
{
......@@ -288,14 +290,201 @@ static HRESULT WINAPI datainit_GetDataSource(IDataInitialize *iface, IUnknown *p
return E_NOTIMPL;
}
static HRESULT WINAPI datainit_GetInitializationString(IDataInitialize *iface, IUnknown *pDataSource,
boolean fIncludePassword, LPWSTR *ppwszInitString)
/* 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)
{
int 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_dbpropset(ULONG count, DBPROPSET *propset)
{
int i;
for (i = 0; i < count; i++)
{
int p;
for (p = 0; p < propset[i].cProperties; p++)
{
VariantClear(&propset[i].rgProperties[p].vValue);
CoTaskMemFree(&propset[i].rgProperties[p]);
}
CoTaskMemFree(&propset[i]);
}
}
static void free_dbpropinfoset(ULONG count, DBPROPINFOSET *propinfoset)
{
int i;
for (i = 0; i < count; i++)
{
int p;
for (p = 0; p < propinfoset[i].cPropertyInfos; p++)
{
VariantClear(&propinfoset[i].rgPropertyInfos[p].vValues);
CoTaskMemFree(&propinfoset[i].rgPropertyInfos[p]);
}
CoTaskMemFree(&propinfoset[i]);
}
}
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;
int 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;
}
FIXME("(%p)->(%p %d %p)\n", This, pDataSource, fIncludePassword, ppwszInitString);
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;
}
return E_NOTIMPL;
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,
......
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