source: vendor/3.5.11/source3/winbindd/wb_queryuser.c

/*
   Unix SMB/CIFS implementation.
   async queryuser
   Copyright (C) Volker Lendecke 2009

   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 3 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, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "winbindd.h"
#include "librpc/gen_ndr/cli_wbint.h"

struct wb_queryuser_state {
        struct dom_sid sid;
        struct wbint_userinfo *info;
};

static void wb_queryuser_done(struct tevent_req *subreq);

struct tevent_req *wb_queryuser_send(TALLOC_CTX *mem_ctx,
                                     struct tevent_context *ev,
                                     const struct dom_sid *user_sid)
{
        struct tevent_req *req, *subreq;
        struct wb_queryuser_state *state;
        struct winbindd_domain *domain;

        req = tevent_req_create(mem_ctx, &state, struct wb_queryuser_state);
        if (req == NULL) {
                return NULL;
        }
        sid_copy(&state->sid, user_sid);

        domain = find_domain_from_sid_noinit(user_sid);
        if (domain == NULL) {
                tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
                return tevent_req_post(req, ev);
        }

        state->info = talloc(state, struct wbint_userinfo);
        if (tevent_req_nomem(state->info, req)) {
                return tevent_req_post(req, ev);
        }

        subreq = rpccli_wbint_QueryUser_send(state, ev, domain->child.rpccli,
                                             &state->sid, state->info);
        if (tevent_req_nomem(subreq, req)) {
                return tevent_req_post(req, ev);
        }
        tevent_req_set_callback(subreq, wb_queryuser_done, req);
        return req;
}

static void wb_queryuser_done(struct tevent_req *subreq)
{
        struct tevent_req *req = tevent_req_callback_data(
                subreq, struct tevent_req);
        struct wb_queryuser_state *state = tevent_req_data(
                req, struct wb_queryuser_state);
        NTSTATUS status, result;

        status = rpccli_wbint_QueryUser_recv(subreq, state->info, &result);
        TALLOC_FREE(subreq);
        if (!NT_STATUS_IS_OK(status)) {
                tevent_req_nterror(req, status);
                return;
        }
        if (!NT_STATUS_IS_OK(result)) {
                tevent_req_nterror(req, result);
                return;
        }
        tevent_req_done(req);
}

NTSTATUS wb_queryuser_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
                           struct wbint_userinfo **pinfo)
{
        struct wb_queryuser_state *state = tevent_req_data(
                req, struct wb_queryuser_state);
        NTSTATUS status;

        if (tevent_req_is_nterror(req, &status)) {
                return status;
        }
        *pinfo = talloc_move(mem_ctx, &state->info);
        return NT_STATUS_OK;
}