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/*
Unix SMB/CIFS implementation.
async next_pwent
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/ndr_wbint_c.h"
struct wb_next_pwent_state {
struct tevent_context *ev;
struct getpwent_state *gstate;
struct winbindd_pw *pw;
};
static void wb_next_pwent_fetch_done(struct tevent_req *subreq);
static void wb_next_pwent_fill_done(struct tevent_req *subreq);
struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct getpwent_state *gstate,
struct winbindd_pw *pw)
{
struct tevent_req *req, *subreq;
struct wb_next_pwent_state *state;
req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->gstate = gstate;
state->pw = pw;
if (state->gstate->next_user >= state->gstate->num_users) {
TALLOC_FREE(state->gstate->users);
if (state->gstate->domain == NULL) {
state->gstate->domain = domain_list();
} else {
state->gstate->domain = state->gstate->domain->next;
}
if ((state->gstate->domain != NULL)
&& sid_check_is_domain(&state->gstate->domain->sid)) {
state->gstate->domain = state->gstate->domain->next;
}
if (state->gstate->domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
return tevent_req_post(req, ev);
}
subreq = wb_query_user_list_send(state, state->ev,
state->gstate->domain);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
return req;
}
subreq = wb_fill_pwent_send(
state, state->ev,
&state->gstate->users[state->gstate->next_user],
state->pw);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
return req;
}
static void wb_next_pwent_fetch_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_next_pwent_state *state = tevent_req_data(
req, struct wb_next_pwent_state);
NTSTATUS status;
status = wb_query_user_list_recv(subreq, state->gstate,
&state->gstate->num_users,
&state->gstate->users);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
/* Ignore errors here, just log it */
DEBUG(10, ("query_user_list for domain %s returned %s\n",
state->gstate->domain->name,
nt_errstr(status)));
state->gstate->num_users = 0;
}
if (state->gstate->num_users == 0) {
state->gstate->domain = state->gstate->domain->next;
if ((state->gstate->domain != NULL)
&& sid_check_is_domain(&state->gstate->domain->sid)) {
state->gstate->domain = state->gstate->domain->next;
}
if (state->gstate->domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
return;
}
subreq = wb_query_user_list_send(state, state->ev,
state->gstate->domain);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
return;
}
state->gstate->next_user = 0;
subreq = wb_fill_pwent_send(
state, state->ev,
&state->gstate->users[state->gstate->next_user],
state->pw);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
}
static void wb_next_pwent_fill_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_next_pwent_state *state = tevent_req_data(
req, struct wb_next_pwent_state);
NTSTATUS status;
status = wb_fill_pwent_recv(subreq);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
state->gstate->next_user += 1;
tevent_req_done(req);
}
NTSTATUS wb_next_pwent_recv(struct tevent_req *req)
{
return tevent_req_simple_recv_ntstatus(req);
}
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