diff options
Diffstat (limited to 'source4/lib/com/main.c')
-rw-r--r-- | source4/lib/com/main.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/source4/lib/com/main.c b/source4/lib/com/main.c new file mode 100644 index 0000000000..378c3738b9 --- /dev/null +++ b/source4/lib/com/main.c @@ -0,0 +1,85 @@ +/* + 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 "dlinklist.h" +#include "lib/com/com.h" +#include "librpc/gen_ndr/com_dcom.h" + +WERROR com_init(struct com_context **ctx) +{ + *ctx = talloc(NULL, struct com_context); + 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(DCERPC_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); +} |