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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /source4/lib/com/main.c
parentInitial commit. (diff)
downloadsamba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz
samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'source4/lib/com/main.c')
-rw-r--r--source4/lib/com/main.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/source4/lib/com/main.c b/source4/lib/com/main.c
new file mode 100644
index 0000000..647f323
--- /dev/null
+++ b/source4/lib/com/main.c
@@ -0,0 +1,90 @@
+/*
+ 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 = samba_tevent_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, (struct MInterfacePointer **)&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_GEN_FAILURE;
+ }
+
+ /* Release class object */
+ IUnknown_Release((struct IUnknown *)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 W_ERROR(HRES_ERROR_V(HRES_REGDB_E_CLASSNOTREG));
+ }
+
+ return IUnknown_QueryInterface(iu, ctx, iid, ip);
+}