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44f0aba715
This allows Samba libraries to be used by other projects (and parts of Samba to be built as shared libraries).
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Main COM functionality
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Copyright (C) 2004 Jelmer Vernooij <jelmer@samba.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "dlinklist.h"
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#include "lib/com/com.h"
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#include "lib/events/events.h"
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#include "librpc/gen_ndr/com_dcom.h"
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#include "smb_build.h"
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WERROR com_init_ctx(struct com_context **ctx, struct event_context *event_ctx)
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{
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*ctx = talloc(NULL, struct com_context);
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if (event_ctx == NULL) {
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event_ctx = event_context_init(*ctx);
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}
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(*ctx)->event_ctx = event_ctx;
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return WERR_OK;
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}
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WERROR com_create_object(struct com_context *ctx, struct GUID *clsid, int num_ifaces, struct GUID *iid, struct IUnknown **ip, WERROR *results)
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{
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struct IUnknown *iunk = NULL;
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struct IClassFactory *factory;
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WERROR error;
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int i;
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struct GUID classfact_iid;
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GUID_from_string(DCERPC_ICLASSFACTORY_UUID, &classfact_iid);
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/* Obtain class object */
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error = com_get_class_object(ctx, clsid, &classfact_iid, (struct IUnknown **)&factory);
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if (!W_ERROR_IS_OK(error)) {
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DEBUG(3, ("Unable to obtain class object for %s\n", GUID_string(NULL, clsid)));
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return error;
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}
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/* Run IClassFactory::CreateInstance() */
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error = IClassFactory_CreateInstance(factory, ctx, NULL, &classfact_iid, &iunk);
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if (!W_ERROR_IS_OK(error)) {
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DEBUG(3, ("Error while calling IClassFactory::CreateInstance : %s\n", win_errstr(error)));
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return error;
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}
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if (!iunk) {
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DEBUG(0, ("IClassFactory_CreateInstance returned success but result pointer is still NULL!\n"));
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return WERR_GENERAL_FAILURE;
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}
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/* Release class object */
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IUnknown_Release(factory, ctx);
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error = WERR_OK;
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/* Do one or more QueryInterface calls */
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for (i = 0; i < num_ifaces; i++) {
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results[i] = IUnknown_QueryInterface(iunk, ctx, &iid[i], &ip[i]);
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if (!W_ERROR_IS_OK(results[i])) error = results[i];
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}
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return error;
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}
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WERROR com_get_class_object(struct com_context *ctx, struct GUID *clsid, struct GUID *iid, struct IUnknown **ip)
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{
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struct IUnknown *iu;
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iu = com_class_by_clsid(ctx, clsid);
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if (!iu) {
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return WERR_CLASS_NOT_REGISTERED;
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}
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return IUnknown_QueryInterface(iu, ctx, iid, ip);
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}
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NTSTATUS com_init(void)
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{
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static BOOL initialized = False;
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init_module_fn static_init[] = STATIC_COM_MODULES;
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init_module_fn *shared_init;
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if (initialized) return NT_STATUS_OK;
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initialized = True;
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shared_init = load_samba_modules(NULL, "com");
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run_init_functions(static_init);
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run_init_functions(shared_init);
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talloc_free(shared_init);
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return NT_STATUS_OK;
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}
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