Zebediah Figura : compobj.dll16: Implement CoGetClassObject16().

[Alexandre Julliard]

Module: wine
Branch: oldstable
Commit: 412d7c8699f7cdb168b3397a209e58c9ded47d27
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=412d7c8699f7cdb168b3397a209e58c9ded47d27

Author: Zebediah Figura <z.figura12 at gmail.com>
Date:   Fri Feb 17 16:32:12 2017 -0600

compobj.dll16: Implement CoGetClassObject16().

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
(cherry picked from commit 6c2a5ee9172511ed26e5512bd3104771f46a0672)
Signed-off-by: Michael Stefaniuc <mstefani at winehq.org>

---

 dlls/compobj.dll16/compobj.c          | 69 ++++++++++++++++++++++++++++++++---
 dlls/compobj.dll16/compobj.dll16.spec |  2 +-
 2 files changed, 65 insertions(+), 6 deletions(-)

diff --git a/dlls/compobj.dll16/compobj.c b/dlls/compobj.dll16/compobj.c
index b934a06..af69bf8 100644
--- a/dlls/compobj.dll16/compobj.c
+++ b/dlls/compobj.dll16/compobj.c
@@ -714,15 +714,74 @@ HRESULT WINAPI CoFileTimeNow16( FILETIME *lpFileTime )
  *
  */
 HRESULT WINAPI CoGetClassObject16(
-    REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
-    REFIID iid, LPVOID *ppv)
+    SEGPTR rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
+    SEGPTR riid, SEGPTR ppv)
 {
-    FIXME(", stub!\n\tCLSID:\t%s,\n\tIID:\t%s\n", debugstr_guid(rclsid), debugstr_guid(iid));
+    LPVOID *ppvl = MapSL(ppv);
+
+    TRACE("CLSID: %s, IID: %s\n", debugstr_guid(MapSL(rclsid)), debugstr_guid(MapSL(riid)));
+
+    *ppvl = NULL;
 
     if (pServerInfo) {
-	FIXME("\tpServerInfo: name=%s\n",debugstr_w(pServerInfo->pwszName));
-	FIXME("\t\tpAuthInfo=%p\n",pServerInfo->pAuthInfo);
+        FIXME("pServerInfo->name=%s pAuthInfo=%p\n",
+              debugstr_w(pServerInfo->pwszName), pServerInfo->pAuthInfo);
+    }
+
+    if (CLSCTX_INPROC_SERVER & dwClsContext)
+    {
+        char idstr[CHARS_IN_GUID];
+        char buf_key[CHARS_IN_GUID+19], dllpath[MAX_PATH+1];
+        LONG dllpath_len = sizeof(dllpath);
+
+        HMODULE16 dll;
+        FARPROC16 DllGetClassObject;
+
+        WORD args[6];
+        DWORD dwRet;
+
+        StringFromGUID216(MapSL(rclsid), idstr, CHARS_IN_GUID);
+        sprintf(buf_key, "CLSID\\%s\\InprocServer", idstr);
+        if (RegQueryValueA(HKEY_CLASSES_ROOT, buf_key, dllpath, &dllpath_len))
+        {
+            ERR("class %s not registered\n", debugstr_guid(MapSL(rclsid)));
+            return REGDB_E_CLASSNOTREG;
+        }
+
+        dll = LoadLibrary16(dllpath);
+        if (!dll)
+        {
+            ERR("couldn't load in-process dll %s\n", debugstr_a(dllpath));
+            return E_ACCESSDENIED; /* FIXME: or should this be CO_E_DLLNOTFOUND? */
+        }
+
+        DllGetClassObject = GetProcAddress16(dll, "DllGetClassObject");
+        if (!DllGetClassObject)
+        {
+            ERR("couldn't find function DllGetClassObject in %s\n", debugstr_a(dllpath));
+            FreeLibrary16(dll);
+            return CO_E_DLLNOTFOUND;
+        }
+
+        TRACE("calling DllGetClassObject %p\n", DllGetClassObject);
+        args[5] = SELECTOROF(rclsid);
+        args[4] = OFFSETOF(rclsid);
+        args[3] = SELECTOROF(riid);
+        args[2] = OFFSETOF(riid);
+        args[1] = SELECTOROF(ppv);
+        args[0] = OFFSETOF(ppv);
+        WOWCallback16Ex((DWORD) DllGetClassObject, WCB16_PASCAL, sizeof(args), args, &dwRet);
+        if (dwRet != S_OK)
+        {
+            ERR("DllGetClassObject returned error 0x%08x\n", dwRet);
+            FreeLibrary16(dll);
+            return dwRet;
+        }
+
+        return S_OK;
     }
+
+    FIXME("semi-stub\n");
     return E_NOTIMPL;
 }
 
diff --git a/dlls/compobj.dll16/compobj.dll16.spec b/dlls/compobj.dll16/compobj.dll16.spec
index 85dfc42..71dba80 100644
--- a/dlls/compobj.dll16/compobj.dll16.spec
+++ b/dlls/compobj.dll16/compobj.dll16.spec
@@ -4,7 +4,7 @@
 4 pascal CoGetMalloc(long ptr) CoGetMalloc16
 5 pascal CoRegisterClassObject(ptr ptr long long ptr) CoRegisterClassObject16
 6 pascal CoRevokeClassObject(long) CoRevokeClassObject16
-7 pascal CoGetClassObject(ptr long ptr ptr ptr) CoGetClassObject16
+7 pascal CoGetClassObject(segptr long ptr segptr segptr) CoGetClassObject16
 8 stub COMARSHALINTERFACE
 9 stub COUNMARSHALINTERFACE
 10 stub COLOADLIBRARY