/* Unix SMB/CIFS implementation. Main COM functionality Copyright (C) 2004 Jelmer Vernooij <jelmer@samba.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "includes.h" #include "../lib/util/dlinklist.h" #include "lib/com/com.h" #include "lib/events/events.h" #include "librpc/gen_ndr/com_dcom.h" WERROR com_init_ctx(struct com_context **ctx, struct tevent_context *event_ctx) { *ctx = talloc(NULL, struct com_context); if (event_ctx == NULL) { event_ctx = event_context_init(*ctx); } (*ctx)->event_ctx = event_ctx; return WERR_OK; } WERROR com_create_object(struct com_context *ctx, struct GUID *clsid, int num_ifaces, struct GUID *iid, struct IUnknown **ip, WERROR *results) { struct IUnknown *iunk = NULL; struct IClassFactory *factory; WERROR error; int i; struct GUID classfact_iid; GUID_from_string(NDR_ICLASSFACTORY_UUID, &classfact_iid); /* Obtain class object */ error = com_get_class_object(ctx, clsid, &classfact_iid, (struct IUnknown **)&factory); if (!W_ERROR_IS_OK(error)) { DEBUG(3, ("Unable to obtain class object for %s\n", GUID_string(NULL, clsid))); return error; } /* Run IClassFactory::CreateInstance() */ error = IClassFactory_CreateInstance(factory, ctx, NULL, &classfact_iid, &iunk); if (!W_ERROR_IS_OK(error)) { DEBUG(3, ("Error while calling IClassFactory::CreateInstance : %s\n", win_errstr(error))); return error; } if (!iunk) { DEBUG(0, ("IClassFactory_CreateInstance returned success but result pointer is still NULL!\n")); return WERR_GENERAL_FAILURE; } /* Release class object */ IUnknown_Release(factory, ctx); error = WERR_OK; /* Do one or more QueryInterface calls */ for (i = 0; i < num_ifaces; i++) { results[i] = IUnknown_QueryInterface(iunk, ctx, &iid[i], &ip[i]); if (!W_ERROR_IS_OK(results[i])) error = results[i]; } return error; } WERROR com_get_class_object(struct com_context *ctx, struct GUID *clsid, struct GUID *iid, struct IUnknown **ip) { struct IUnknown *iu; iu = com_class_by_clsid(ctx, clsid); if (!iu) { return WERR_CLASS_NOT_REGISTERED; } return IUnknown_QueryInterface(iu, ctx, iid, ip); }