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https://github.com/samba-team/samba.git
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154 lines
4.0 KiB
C
154 lines
4.0 KiB
C
/*
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Unix SMB/CIFS implementation.
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async seqnums, update the seqnums in winbindd_cache.c
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Copyright (C) Volker Lendecke 2009
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "winbindd.h"
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#include "librpc/gen_ndr/cli_wbint.h"
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struct wb_seqnums_state {
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int num_domains;
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int num_received;
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struct tevent_req **subreqs;
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struct winbindd_domain **domains;
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NTSTATUS *stati;
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uint32_t *seqnums;
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};
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static void wb_seqnums_done(struct tevent_req *subreq);
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struct tevent_req *wb_seqnums_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev)
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{
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struct tevent_req *req;
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struct wb_seqnums_state *state;
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struct winbindd_domain *domain;
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int i;
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req = tevent_req_create(mem_ctx, &state, struct wb_seqnums_state);
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if (req == NULL) {
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return NULL;
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}
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state->num_received = 0;
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state->num_domains = 0;
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for (domain = domain_list(); domain != NULL; domain = domain->next) {
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state->num_domains += 1;
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}
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state->subreqs = talloc_array(state, struct tevent_req *,
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state->num_domains);
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state->domains = talloc_array(state, struct winbindd_domain *,
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state->num_domains);
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state->stati = talloc_array(state, NTSTATUS, state->num_domains);
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state->seqnums = talloc_array(state, uint32_t, state->num_domains);
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if ((state->subreqs == NULL) || (state->domains == NULL) ||
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(state->stati == NULL) || (state->seqnums == NULL)) {
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tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
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return tevent_req_post(req, ev);
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}
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i = 0;
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for (domain = domain_list(); domain != NULL; domain = domain->next) {
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state->domains[i] = domain;
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state->subreqs[i] = wb_seqnum_send(state->subreqs, ev, domain);
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if (tevent_req_nomem(state->subreqs[i], req)) {
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/* Don't even start all the other requests */
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TALLOC_FREE(state->subreqs);
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(state->subreqs[i], wb_seqnums_done,
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req);
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i += 1;
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}
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return req;
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}
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static void wb_seqnums_done(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct wb_seqnums_state *state = tevent_req_data(
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req, struct wb_seqnums_state);
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NTSTATUS status;
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uint32_t seqnum;
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int i;
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status = wb_seqnum_recv(subreq, &seqnum);
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for (i=0; i<state->num_domains; i++) {
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if (subreq == state->subreqs[i]) {
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break;
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}
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}
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if (i < state->num_domains) {
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/* found one */
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state->subreqs[i] = NULL;
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state->stati[i] = status;
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if (NT_STATUS_IS_OK(status)) {
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state->seqnums[i] = seqnum;
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/*
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* This first assignment might be removed
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* later
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*/
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state->domains[i]->sequence_number = seqnum;
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if (!wcache_store_seqnum(state->domains[i]->name,
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state->seqnums[i],
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time(NULL))) {
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DEBUG(1, ("wcache_store_seqnum failed for "
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"domain %s\n",
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state->domains[i]->name));
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}
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}
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}
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TALLOC_FREE(subreq);
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state->num_received += 1;
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if (state->num_received >= state->num_domains) {
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tevent_req_done(req);
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}
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}
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NTSTATUS wb_seqnums_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
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int *num_domains, struct winbindd_domain ***domains,
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NTSTATUS **stati, uint32_t **seqnums)
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{
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struct wb_seqnums_state *state = tevent_req_data(
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req, struct wb_seqnums_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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return status;
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}
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*num_domains = state->num_domains;
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*domains = talloc_move(mem_ctx, &state->domains);
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*stati = talloc_move(mem_ctx, &state->stati);
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*seqnums = talloc_move(mem_ctx, &state->seqnums);
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return NT_STATUS_OK;
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}
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