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/*
Unix SMB/CIFS implementation.
async next_grent
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_winbind_c.h"
#include "passdb/machine_sid.h"
struct wb_next_grent_state {
struct tevent_context *ev;
int max_nesting;
struct getgrent_state *gstate;
struct winbindd_gr *gr;
struct db_context *members;
};
static void wb_next_grent_fetch_done(struct tevent_req *subreq);
static void wb_next_grent_getgrsid_done(struct tevent_req *subreq);
static void wb_next_grent_send_do(struct tevent_req *req,
struct wb_next_grent_state *state)
{
struct tevent_req *subreq;
if (state->gstate->next_group >= state->gstate->num_groups) {
TALLOC_FREE(state->gstate->groups);
state->gstate->domain = wb_next_domain(state->gstate->domain);
if (state->gstate->domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
return;
}
subreq = wb_query_group_list_send(state, state->ev,
state->gstate->domain);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_grent_fetch_done, req);
return;
}
subreq = wb_getgrsid_send(
state, state->ev,
&state->gstate->groups[state->gstate->next_group].sid,
state->max_nesting);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_grent_getgrsid_done, req);
}
struct tevent_req *wb_next_grent_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
int max_nesting,
struct getgrent_state *gstate,
struct winbindd_gr *gr)
{
struct tevent_req *req;
struct wb_next_grent_state *state;
req = tevent_req_create(mem_ctx, &state, struct wb_next_grent_state);
if (req == NULL) {
return NULL;
}
D_INFO("WB command next_grent start.\n");
state->ev = ev;
state->gstate = gstate;
state->gr = gr;
state->max_nesting = max_nesting;
wb_next_grent_send_do(req, state);
if (!tevent_req_is_in_progress(req)) {
return tevent_req_post(req, ev);
}
return req;
}
static void wb_next_grent_fetch_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_next_grent_state *state = tevent_req_data(
req, struct wb_next_grent_state);
NTSTATUS status;
status = wb_query_group_list_recv(subreq, state->gstate,
&state->gstate->num_groups,
&state->gstate->groups);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
/* Ignore errors here, just log it */
D_DEBUG("query_group_list for domain %s returned %s\n",
state->gstate->domain->name, nt_errstr(status));
state->gstate->num_groups = 0;
}
state->gstate->next_group = 0;
wb_next_grent_send_do(req, state);
}
static void wb_next_grent_getgrsid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_next_grent_state *state = tevent_req_data(
req, struct wb_next_grent_state);
const char *domname, *name;
NTSTATUS status;
status = wb_getgrsid_recv(subreq, talloc_tos(), &domname, &name,
&state->gr->gr_gid, &state->members);
TALLOC_FREE(subreq);
if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
state->gstate->next_group += 1;
wb_next_grent_send_do(req, state);
return;
} else if (tevent_req_nterror(req, status)) {
return;
}
if (!fill_grent(talloc_tos(), state->gr, domname, name,
state->gr->gr_gid)) {
D_WARNING("fill_grent failed\n");
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
state->gstate->next_group += 1;
tevent_req_done(req);
}
NTSTATUS wb_next_grent_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct db_context **members)
{
struct wb_next_grent_state *state = tevent_req_data(
req, struct wb_next_grent_state);
NTSTATUS status;
D_INFO("WB command next_grent end.\n");
if (tevent_req_is_nterror(req, &status)) {
D_WARNING("Failed with %s.\n", nt_errstr(status));
return status;
}
*members = talloc_move(mem_ctx, &state->members);
return NT_STATUS_OK;
}
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