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5473a277e3
Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Thu Aug 17 00:53:48 CEST 2017 on sn-devel-144
452 lines
15 KiB
C
452 lines
15 KiB
C
/*
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WMI Implementation
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Copyright (C) 2006 Andrzej Hajda <andrzej.hajda@wp.pl>
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Copyright (C) 2008 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 <talloc.h>
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#include "librpc/gen_ndr/dcom.h"
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#include "librpc/gen_ndr/com_dcom.h"
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#include "librpc/ndr/libndr.h"
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#include "librpc/ndr/libndr_proto.h"
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#include "lib/com/com.h"
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#include "lib/com/dcom/dcom.h"
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#include "lib/util/dlinklist.h"
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#include "librpc/ndr/libndr.h"
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#include "librpc/gen_ndr/ndr_dcom.h"
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#include "librpc/rpc/dcerpc.h"
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#include "librpc/gen_ndr/ndr_misc.h"
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#include "libcli/composite/composite.h"
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#include "lib/wmi/wmi.h"
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#include "librpc/gen_ndr/ndr_wmi.h"
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enum {
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DATATYPE_CLASSOBJECT = 2,
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DATATYPE_OBJECT = 3,
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COFLAG_IS_CLASS = 4,
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};
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static enum ndr_err_code marshal(TALLOC_CTX *mem_ctx, struct IUnknown *pv, struct OBJREF *o)
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{
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struct ndr_push *ndr;
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struct IWbemClassObject *wco;
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struct MInterfacePointer *mp;
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mp = (struct MInterfacePointer *)((char *)o - offsetof(struct MInterfacePointer, obj)); /* FIXME:high remove this Mumbo Jumbo */
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wco = pv->object_data;
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ndr = talloc_zero(mem_ctx, struct ndr_push);
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ndr->flags = 0;
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ndr->alloc_size = 1024;
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ndr->data = talloc_array(mp, uint8_t, ndr->alloc_size);
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if (wco) {
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uint32_t ofs;
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NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0x12345678));
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NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
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NDR_CHECK(ndr_push_IWbemClassObject(ndr, NDR_SCALARS | NDR_BUFFERS, wco));
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ofs = ndr->offset;
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ndr->offset = 4;
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NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ofs - 8));
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ndr->offset = ofs;
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} else {
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NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
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}
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o->u_objref.u_custom.pData = talloc_realloc(mp, ndr->data, uint8_t, ndr->offset);
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o->u_objref.u_custom.size = ndr->offset;
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mp->size = sizeof(struct OBJREF) - sizeof(union OBJREF_Types) + sizeof(struct u_custom) + o->u_objref.u_custom.size - 4;
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if (DEBUGLVL(9)) {
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NDR_PRINT_DEBUG(IWbemClassObject, wco);
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}
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return NDR_ERR_SUCCESS;
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}
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static enum ndr_err_code unmarshal(TALLOC_CTX *mem_ctx, struct OBJREF *o, struct IUnknown **pv)
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{
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struct ndr_pull *ndr;
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struct IWbemClassObject *wco;
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enum ndr_err_code ndr_err;
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uint32_t u;
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mem_ctx = talloc_new(0);
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ndr = talloc_zero(mem_ctx, struct ndr_pull);
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ndr->current_mem_ctx = mem_ctx;
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ndr->data = o->u_objref.u_custom.pData;
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ndr->data_size = o->u_objref.u_custom.size;
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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if (!u) {
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talloc_free(*pv);
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*pv = NULL;
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return NDR_ERR_SUCCESS;
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}
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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if (u + 8 > ndr->data_size) {
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DEBUG(1, ("unmarshall_IWbemClassObject: Incorrect data_size"));
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return NDR_ERR_BUFSIZE;
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}
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wco = talloc_zero(*pv, struct IWbemClassObject);
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ndr->current_mem_ctx = wco;
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ndr_err = ndr_pull_IWbemClassObject(ndr, NDR_SCALARS | NDR_BUFFERS, wco);
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if (NDR_ERR_CODE_IS_SUCCESS(ndr_err) && (DEBUGLVL(9))) {
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NDR_PRINT_DEBUG(IWbemClassObject, wco);
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}
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if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
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(*pv)->object_data = wco;
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} else {
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talloc_free(wco);
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}
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return NDR_ERR_SUCCESS;
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}
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WERROR dcom_IWbemClassObject_from_WbemClassObject(struct com_context *ctx, struct IWbemClassObject **_p, struct IWbemClassObject *wco)
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{
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struct IWbemClassObject *p;
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p = talloc_zero(ctx, struct IWbemClassObject);
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p->ctx = ctx;
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p->obj.signature = 0x574f454d;
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p->obj.flags = OBJREF_CUSTOM;
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GUID_from_string("dc12a681-737f-11cf-884d-00aa004b2e24", &p->obj.iid);
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GUID_from_string("4590f812-1d3a-11d0-891f-00aa004b2e24", &p->obj.u_objref.u_custom.clsid);
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p->object_data = (void *)wco;
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talloc_steal(p, p->object_data);
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*_p = p;
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return WERR_OK;
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}
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WERROR IWbemClassObject_GetMethod(struct IWbemClassObject *d, TALLOC_CTX *mem_ctx, const char *name, uint32_t flags, struct IWbemClassObject **in, struct IWbemClassObject **out)
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{
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uint32_t i;
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struct IWbemClassObject *wco;
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wco = (struct IWbemClassObject *)d->object_data;
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for (i = 0; i < wco->obj_methods->count; ++i)
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if (!strcmp(wco->obj_methods->method[i].name, name)) {
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if (in) dcom_IWbemClassObject_from_WbemClassObject(d->ctx, in, wco->obj_methods->method[i].in);
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if (out) dcom_IWbemClassObject_from_WbemClassObject(d->ctx, out, wco->obj_methods->method[i].out);
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return WERR_OK;
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}
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return WERR_NOT_FOUND;
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}
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void IWbemClassObject_CreateInstance(struct IWbemClassObject *wco)
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{
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uint32_t i;
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wco->instance = talloc_zero(wco, struct WbemInstance);
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wco->instance->default_flags = talloc_array(wco->instance, uint8_t, wco->obj_class->__PROPERTY_COUNT);
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wco->instance->data = talloc_array(wco->instance, union CIMVAR, wco->obj_class->__PROPERTY_COUNT);
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memset(wco->instance->data, 0, sizeof(union CIMVAR) * wco->obj_class->__PROPERTY_COUNT);
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for (i = 0; i < wco->obj_class->__PROPERTY_COUNT; ++i) {
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wco->instance->default_flags[i] = 1; /* FIXME:high resolve this magic */
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}
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wco->instance->__CLASS = wco->obj_class->__CLASS;
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wco->instance->u2_4 = 4;
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wco->instance->u3_1 = 1;
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}
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WERROR IWbemClassObject_Clone(struct IWbemClassObject *d, TALLOC_CTX *mem_ctx, struct IWbemClassObject **copy)
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{
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return WERR_NOT_SUPPORTED;
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}
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WERROR IWbemClassObject_SpawnInstance(struct IWbemClassObject *d, TALLOC_CTX *mem_ctx, uint32_t flags, struct IWbemClassObject **instance)
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{
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struct IWbemClassObject *wco, *nwco;
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wco = (struct IWbemClassObject *)d->object_data;
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nwco = talloc_zero(mem_ctx, struct IWbemClassObject);
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nwco->flags = WCF_INSTANCE;
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nwco->obj_class = wco->obj_class;
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IWbemClassObject_CreateInstance(nwco);
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dcom_IWbemClassObject_from_WbemClassObject(d->ctx, instance, nwco);
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return WERR_OK;
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}
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WERROR IWbemClassObject_Get(struct IWbemClassObject *d, TALLOC_CTX *mem_ctx, const char *name, uint32_t flags, union CIMVAR *val, enum CIMTYPE_ENUMERATION *cimtype, uint32_t *flavor)
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{
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uint32_t i;
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for (i = 0; i < d->obj_class->__PROPERTY_COUNT; ++i) {
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if (!strcmp(d->obj_class->properties[i].property.name, name)) {
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duplicate_CIMVAR(mem_ctx, &d->instance->data[i], val, d->obj_class->properties[i].property.desc->cimtype);
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if (cimtype != NULL)
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*cimtype = d->obj_class->properties[i].property.desc->cimtype;
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if (flavor != NULL)
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*flavor = 0; /* FIXME:avg implement flavor */
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return WERR_OK;
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}
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}
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return WERR_NOT_FOUND;
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}
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WERROR IWbemClassObject_Put(struct IWbemClassObject *d, TALLOC_CTX *mem_ctx, const char *name, uint32_t flags, union CIMVAR *val, enum CIMTYPE_ENUMERATION cimtype)
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{
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struct IWbemClassObject *wco;
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uint32_t i;
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wco = (struct IWbemClassObject *)d->object_data;
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for (i = 0; i < wco->obj_class->__PROPERTY_COUNT; ++i) {
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if (!strcmp(wco->obj_class->properties[i].property.name, name)) {
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if (cimtype && cimtype != wco->obj_class->properties[i].property.desc->cimtype) return WERR_INVALID_PARAMETER;
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wco->instance->default_flags[i] = 0;
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duplicate_CIMVAR(wco->instance, val, &wco->instance->data[i], wco->obj_class->properties[i].property.desc->cimtype);
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return WERR_OK;
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}
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}
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return WERR_NOT_FOUND;
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}
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#define WERR_CHECK(msg) if (!W_ERROR_IS_OK(result)) { \
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DEBUG(1, ("ERROR: %s - %s\n", msg, wmi_errstr(result))); \
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return result; \
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} else { \
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DEBUG(1, ("OK : %s\n", msg)); \
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}
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struct pair_guid_ptr {
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struct GUID guid;
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void *ptr;
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struct pair_guid_ptr *next, *prev;
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};
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static void *get_ptr_by_guid(struct pair_guid_ptr *list, struct GUID *uuid)
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{
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for (; list; list = list->next) {
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if (GUID_equal(&list->guid, uuid))
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return list->ptr;
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}
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return NULL;
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}
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static void add_pair_guid_ptr(TALLOC_CTX *mem_ctx, struct pair_guid_ptr **list, struct GUID *uuid, void *ptr)
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{
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struct pair_guid_ptr *e;
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e = talloc(mem_ctx, struct pair_guid_ptr);
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e->guid = *uuid;
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e->ptr = ptr;
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talloc_steal(e, ptr);
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DLIST_ADD(*list, e);
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}
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struct IEnumWbemClassObject_data {
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struct GUID guid;
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struct IWbemFetchSmartEnum *pFSE;
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struct IWbemWCOSmartEnum *pSE;
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struct pair_guid_ptr *cache;
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};
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#define NDR_CHECK_EXPR(expr) do { if (!(expr)) {\
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DEBUG(0, ("%s(%d): WBEMDATA_ERR(0x%08X): Error parsing(%s)\n", __FILE__, __LINE__, ndr->offset, #expr)); \
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return NDR_ERR_VALIDATE; \
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} \
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} while(0)
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#define NDR_CHECK_CONST(val, exp) NDR_CHECK_EXPR((val) == (exp))
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static enum ndr_err_code WBEMDATA_Parse(TALLOC_CTX *mem_ctx, uint8_t *data, uint32_t size, struct IEnumWbemClassObject *d, uint32_t uCount, struct IWbemClassObject **apObjects)
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{
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struct ndr_pull *ndr;
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uint32_t u, i, ofs_next;
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uint8_t u8, datatype;
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struct GUID guid;
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struct IEnumWbemClassObject_data *ecod;
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if (!uCount)
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return NDR_ERR_BAD_SWITCH;
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ecod = d->object_data;
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ndr = talloc_zero(mem_ctx, struct ndr_pull);
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ndr->current_mem_ctx = d->ctx;
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ndr->data = data;
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ndr->data_size = size;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_NOALIGN);
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, 0x0);
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, *(const uint32_t *)"WBEM");
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, *(const uint32_t *)"DATA");
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, 0x1A); /* Length of header */
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_PULL_NEED_BYTES(ndr, u + 6);
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, 0x0);
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NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &u8));
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NDR_CHECK_CONST(u8, 0x01); /* Major Version */
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NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &u8));
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NDR_CHECK_EXPR(u8 <= 1); /* Minor Version 0 - Win2000, 1 - XP/2003 */
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, 0x8); /* Length of header */
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_PULL_NEED_BYTES(ndr, u);
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, 0xC); /* Length of header */
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_PULL_NEED_BYTES(ndr, u + 4);
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, uCount);
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for (i = 0; i < uCount; ++i) {
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, 0x9); /* Length of header */
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_PULL_NEED_BYTES(ndr, u + 1);
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NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &datatype));
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ofs_next = ndr->offset + u;
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_CHECK_CONST(u, 0x18); /* Length of header */
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &u));
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NDR_PULL_NEED_BYTES(ndr, u + 16);
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NDR_CHECK(ndr_pull_GUID(ndr, NDR_SCALARS, &guid));
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switch (datatype) {
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case DATATYPE_CLASSOBJECT:
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apObjects[i] = talloc_zero(d->ctx, struct IWbemClassObject);
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ndr->current_mem_ctx = apObjects[i];
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NDR_CHECK(ndr_pull_WbemClassObject(ndr, NDR_SCALARS|NDR_BUFFERS, apObjects[i]));
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ndr->current_mem_ctx = d->ctx;
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add_pair_guid_ptr(ecod, &ecod->cache, &guid, apObjects[i]->obj_class);
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break;
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case DATATYPE_OBJECT:
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apObjects[i] = talloc_zero(d->ctx, struct IWbemClassObject);
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apObjects[i]->obj_class = get_ptr_by_guid(ecod->cache, &guid);
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(void)talloc_reference(apObjects[i], apObjects[i]->obj_class);
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ndr->current_mem_ctx = apObjects[i];
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NDR_CHECK(ndr_pull_WbemClassObject_Object(ndr, NDR_SCALARS|NDR_BUFFERS, apObjects[i]));
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ndr->current_mem_ctx = d->ctx;
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break;
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default:
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DEBUG(0, ("WBEMDATA_Parse: Data type %d not supported\n", datatype));
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return NDR_ERR_BAD_SWITCH;
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}
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ndr->offset = ofs_next;
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if (DEBUGLVL(9)) {
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NDR_PRINT_DEBUG(IWbemClassObject, apObjects[i]);
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}
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}
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return NDR_ERR_SUCCESS;
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}
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WERROR IEnumWbemClassObject_SmartNext(struct IEnumWbemClassObject *d, TALLOC_CTX *mem_ctx, int32_t lTimeout, uint32_t uCount, struct IWbemClassObject **apObjects, uint32_t *puReturned)
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{
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WERROR result;
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NTSTATUS status;
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struct IEnumWbemClassObject_data *ecod;
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TALLOC_CTX *loc_ctx;
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uint32_t size;
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uint8_t *data;
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loc_ctx = talloc_new(0);
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ecod = d->object_data;
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if (!ecod) {
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struct GUID iid;
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WERROR coresult;
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d->object_data = ecod = talloc_zero(d, struct IEnumWbemClassObject_data);
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GUID_from_string(COM_IWBEMFETCHSMARTENUM_UUID, &iid);
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result = dcom_query_interface((struct IUnknown *)d, 5, 1, &iid, (struct IUnknown **)&ecod->pFSE, &coresult);
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WERR_CHECK("dcom_query_interface.");
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result = coresult;
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WERR_CHECK("Retrieve enumerator of result(IWbemFetchSmartEnum).");
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result = IWbemFetchSmartEnum_Fetch(ecod->pFSE, mem_ctx, &ecod->pSE);
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WERR_CHECK("Retrieve enumerator of result(IWbemWCOSmartEnum).");
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ecod->guid = GUID_random();
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d->vtable->Release_send = dcom_proxy_IEnumWbemClassObject_Release_send;
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}
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result = IWbemWCOSmartEnum_Next(ecod->pSE, loc_ctx, &ecod->guid, lTimeout, uCount, puReturned, &size, &data);
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if (!W_ERROR_EQUAL(result, WERR_INVALID_FUNCTION)) {
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WERR_CHECK("IWbemWCOSmartEnum_Next.");
|
|
}
|
|
|
|
if (data) {
|
|
NDR_CHECK(WBEMDATA_Parse(mem_ctx, data, size, d, *puReturned, apObjects));
|
|
}
|
|
if (!W_ERROR_IS_OK(result)) {
|
|
status = werror_to_ntstatus(result);
|
|
DEBUG(9, ("dcom_proxy_IEnumWbemClassObject_Next: %s - %s\n", nt_errstr(status), get_friendly_nt_error_msg(status)));
|
|
}
|
|
talloc_free(loc_ctx);
|
|
return result;
|
|
}
|
|
|
|
struct composite_context *dcom_proxy_IEnumWbemClassObject_Release_send(struct IUnknown *d, TALLOC_CTX *mem_ctx)
|
|
{
|
|
struct composite_context *c, *cr;
|
|
struct REMINTERFACEREF iref[3];
|
|
struct dcom_object_exporter *ox;
|
|
struct IEnumWbemClassObject_data *ecod;
|
|
int n;
|
|
|
|
c = composite_create(d->ctx, d->ctx->event_ctx);
|
|
if (c == NULL) return NULL;
|
|
c->private_data = d;
|
|
|
|
ox = object_exporter_by_ip(d->ctx, d);
|
|
iref[0].ipid = IUnknown_ipid(d);
|
|
iref[0].cPublicRefs = 5;
|
|
iref[0].cPrivateRefs = 0;
|
|
n = 1;
|
|
|
|
ecod = d->object_data;
|
|
if (ecod) {
|
|
if (ecod->pFSE) {
|
|
talloc_steal(d, ecod->pFSE);
|
|
iref[n].ipid = IUnknown_ipid(ecod->pFSE);
|
|
iref[n].cPublicRefs = 5;
|
|
iref[n].cPrivateRefs = 0;
|
|
++n;
|
|
}
|
|
if (ecod->pSE) {
|
|
talloc_steal(d, ecod->pSE);
|
|
iref[n].ipid = IUnknown_ipid(ecod->pSE);
|
|
iref[n].cPublicRefs = 5;
|
|
iref[n].cPrivateRefs = 0;
|
|
++n;
|
|
}
|
|
}
|
|
cr = IRemUnknown_RemRelease_send(ox->rem_unknown, mem_ctx, n, iref);
|
|
|
|
composite_continue(c, cr, dcom_release_continue, c);
|
|
return c;
|
|
}
|
|
|
|
NTSTATUS dcom_proxy_IWbemClassObject_init(TALLOC_CTX *ctx)
|
|
{
|
|
struct GUID clsid;
|
|
GUID_from_string("4590f812-1d3a-11d0-891f-00aa004b2e24", &clsid);
|
|
dcom_register_marshal(ctx, &clsid, marshal, unmarshal);
|
|
|
|
#if 0
|
|
struct IEnumWbemClassObject_vtable *proxy_vtable;
|
|
proxy_vtable = (struct IEnumWbemClassObject_vtable *)dcom_proxy_vtable_by_iid((struct GUID *)&dcerpc_table_IEnumWbemClassObject.syntax_id.uuid);
|
|
if (proxy_vtable)
|
|
proxy_vtable->Release_send = dcom_proxy_IEnumWbemClassObject_Release_send;
|
|
else
|
|
DEBUG(0, ("WARNING: IEnumWbemClassObject should be initialized before IWbemClassObject."));
|
|
#endif
|
|
|
|
return NT_STATUS_OK;
|
|
}
|