source: vendor/current/source3/winbindd/winbindd_lookupsids.c

/*
   Unix SMB/CIFS implementation.
   async implementation of WINBINDD_LOOKUPSIDS
   Copyright (C) Volker Lendecke 2011

   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 "../libcli/security/security.h"

struct winbindd_lookupsids_state {
        struct dom_sid *sids;
        uint32_t num_sids;
        struct lsa_RefDomainList *domains;
        struct lsa_TransNameArray *names;
};

static void winbindd_lookupsids_done(struct tevent_req *subreq);

struct tevent_req *winbindd_lookupsids_send(TALLOC_CTX *mem_ctx,
                                            struct tevent_context *ev,
                                           struct winbindd_cli_state *cli,
                                           struct winbindd_request *request)
{
        struct tevent_req *req, *subreq;
        struct winbindd_lookupsids_state *state;

        req = tevent_req_create(mem_ctx, &state,
                                struct winbindd_lookupsids_state);
        if (req == NULL) {
                return NULL;
        }

        DEBUG(3, ("lookupsids\n"));

        if (request->extra_len == 0) {
                tevent_req_done(req);
                return tevent_req_post(req, ev);
        }
        if (request->extra_data.data[request->extra_len-1] != '\0') {
                DEBUG(10, ("Got invalid sids list\n"));
                tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
                return tevent_req_post(req, ev);
        }
        if (!parse_sidlist(state, request->extra_data.data,
                           &state->sids, &state->num_sids)) {
                DEBUG(10, ("parse_sidlist failed\n"));
                tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
                return tevent_req_post(req, ev);
        }
        subreq = wb_lookupsids_send(state, ev, state->sids, state->num_sids);
        if (tevent_req_nomem(subreq, req)) {
                return tevent_req_post(req, ev);
        }
        tevent_req_set_callback(subreq, winbindd_lookupsids_done, req);
        return req;
}

static void winbindd_lookupsids_done(struct tevent_req *subreq)
{
        struct tevent_req *req = tevent_req_callback_data(
                subreq, struct tevent_req);
        struct winbindd_lookupsids_state *state = tevent_req_data(
                req, struct winbindd_lookupsids_state);
        NTSTATUS status;

        status = wb_lookupsids_recv(subreq, state, &state->domains,
                                    &state->names);
        TALLOC_FREE(subreq);
        if (tevent_req_nterror(req, status)) {
                return;
        }
        tevent_req_done(req);
}

NTSTATUS winbindd_lookupsids_recv(struct tevent_req *req,
                                  struct winbindd_response *response)
{
        struct winbindd_lookupsids_state *state = tevent_req_data(
                req, struct winbindd_lookupsids_state);
        NTSTATUS status;
        char *result;
        uint32_t i;

        if (tevent_req_is_nterror(req, &status)) {
                DEBUG(5, ("wb_lookupsids failed: %s\n", nt_errstr(status)));
                return status;
        }

        result = talloc_asprintf(response, "%d\n", (int)state->domains->count);
        if (result == NULL) {
                return NT_STATUS_NO_MEMORY;
        }

        for (i=0; i<state->domains->count; i++) {
                fstring sid_str;

                result = talloc_asprintf_append_buffer(
                        result, "%s %s\n",
                        sid_to_fstring(sid_str,
                                       state->domains->domains[i].sid),
                        state->domains->domains[i].name.string);
                if (result == NULL) {
                        return NT_STATUS_NO_MEMORY;
                }
        }

        result = talloc_asprintf_append_buffer(
                result, "%d\n", (int)state->names->count);
        if (result == NULL) {
                return NT_STATUS_NO_MEMORY;
        }

        for (i=0; i<state->names->count; i++) {
                struct lsa_TranslatedName *name;

                name = &state->names->names[i];

                result = talloc_asprintf_append_buffer(
                        result, "%d %d %s\n",
                        (int)name->sid_index, (int)name->sid_type,
                        name->name.string);
                if (result == NULL) {
                        return NT_STATUS_NO_MEMORY;
                }
        }

        response->extra_data.data = result;
        response->length += talloc_get_size(result);
        return NT_STATUS_OK;
}