[PATCH v4 0/1] MR5817: oledb32: Support Multiple values when parsing the property Mode.

[Alistair Leslie-Hughes (＠alesliehughes)]

The "Mode" can be a mix of any of the flags.

--
  v4: oledb32: Support Multiple values when parsing the property Mode.

https://gitlab.winehq.org/wine/wine/-/merge_requests/5817

[PATCH v4 1/1] oledb32: Support Multiple values when parsing the property Mode.

[Alistair Leslie-Hughes]

From: Alistair Leslie-Hughes

The "Mode" can be a mix of any of the flags.
---
 dlls/oledb32/datainit.c       | 40 +++++++++++++++++++++++++++++------
 dlls/oledb32/tests/database.c | 14 ++++++++++++
 2 files changed, 48 insertions(+), 6 deletions(-)

diff --git a/dlls/oledb32/datainit.c b/dlls/oledb32/datainit.c
index 38ed5ce0e53..1c0a531ab26 100644
--- a/dlls/oledb32/datainit.c
+++ b/dlls/oledb32/datainit.c
@@ -335,16 +335,44 @@ static HRESULT convert_dbproperty_mode(const WCHAR *src, VARIANT *dest)
         { L"Write", DB_MODE_WRITE },
     };
     struct mode_propval *prop;
+    WCHAR mode[64];
+    WCHAR *pos = NULL;
+    const WCHAR *lastpos = src;

-    if ((prop = bsearch(src, mode_propvals, ARRAY_SIZE(mode_propvals),
-                        sizeof(struct mode_propval), dbmodeprop_compare)))
+    V_VT(dest) = VT_I4;
+    V_I4(dest) = 0;
+
+    pos = wcsstr(src, L"|");
+    while (pos != NULL)
     {
-        V_VT(dest) = VT_I4;
-        V_I4(dest) = prop->value;
-        TRACE("%s = %#lx\n", debugstr_w(src), prop->value);
-        return S_OK;
+        lstrcpynW(mode, lastpos, pos - lastpos + 1);
+
+        if (!(prop = bsearch(mode, mode_propvals, ARRAY_SIZE(mode_propvals),
+                            sizeof(struct mode_propval), dbmodeprop_compare)))
+            goto done;
+
+        V_I4(dest) |= prop->value;
+
+        lastpos = pos + 1;
+        pos = wcsstr(lastpos, L"|");
     }

+    if (lastpos)
+    {
+        lstrcpyW(mode, lastpos);
+        if (!(prop = bsearch(mode, mode_propvals, ARRAY_SIZE(mode_propvals),
+                            sizeof(struct mode_propval), dbmodeprop_compare)))
+            goto done;
+
+        V_I4(dest) |= prop->value;
+    }
+
+    TRACE("%s = %#lx\n", debugstr_w(src), V_I4(dest));
+    return S_OK;
+
+done:
+    FIXME("Failed to parse Mode (%s)\n", debugstr_w(src));
+
     return E_FAIL;
 }

diff --git a/dlls/oledb32/tests/database.c b/dlls/oledb32/tests/database.c
index 6296ecfe1ef..bcee13017a7 100644
--- a/dlls/oledb32/tests/database.c
+++ b/dlls/oledb32/tests/database.c
@@ -557,6 +557,8 @@ static void test_initializationstring(void)
     static const WCHAR *initstring_mode = L"Provider=MSDASQL.1;Data Source=dummy;Mode=invalid";
     static const WCHAR *initstring_mode2 = L"Provider=MSDASQL.1;Data Source=dummy;Mode=WriteRead";
     static const WCHAR *initstring_mode3 = L"Provider=MSDASQL.1;Data Source=dummy;Mode=ReadWRITE";
+    static const WCHAR *initstring_mode4 = L"Provider=MSDASQL.1;Data Source=dummy;Mode=ReadWrite|Share Deny None";
+    static const WCHAR *initstring_mode5 = L"Provider=MSDASQL.1;Data Source=dummy;Mode=ReadWrite|Share Deny None|Share Exclusive";
     static const WCHAR *initstring_quote_semicolon = L"Provider=MSDASQL.1;"
                                                      "Data Source=dummy;"
                                                      "Extended Properties="ConnectTo=11.0;Cell Error Mode=TextValue;Optimize Response=3;"";
@@ -625,6 +627,18 @@ static void test_initializationstring(void)
                 &IID_IDBInitialize, (IUnknown **)&dbinit);
             ok(hr == S_OK, "got 0x%08lx\n", hr);
             IDBInitialize_Release(dbinit);
+
+            dbinit = NULL;
+            hr = IDataInitialize_GetDataSource(datainit, NULL, CLSCTX_INPROC_SERVER, (WCHAR *)initstring_mode4,
+                &IID_IDBInitialize, (IUnknown **)&dbinit);
+            ok(hr == S_OK, "got 0x%08lx\n", hr);
+            IDBInitialize_Release(dbinit);
+
+            dbinit = NULL;
+            hr = IDataInitialize_GetDataSource(datainit, NULL, CLSCTX_INPROC_SERVER, (WCHAR *)initstring_mode5,
+                &IID_IDBInitialize, (IUnknown **)&dbinit);
+            ok(hr == S_OK, "got 0x%08lx\n", hr);
+            IDBInitialize_Release(dbinit);
         }
         else
             ok(dbinit == NULL, "got %p\n", dbinit);