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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_winbind_c.h"
#include "libcli/security/dom_sid.h"
#include "passdb/machine_sid.h"
struct wb_next_pwent_state {
struct tevent_context *ev;
struct getpwent_state *gstate;
struct dom_sid next_sid;
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);
static void wb_next_pwent_send_do(struct tevent_req *req,
struct wb_next_pwent_state *state)
{
struct tevent_req *subreq;
struct dom_sid_buf buf, buf1;
if (state->gstate->next_user >= state->gstate->rids.num_rids) {
TALLOC_FREE(state->gstate->rids.rids);
state->gstate->rids.num_rids = 0;
state->gstate->domain = wb_next_domain(state->gstate->domain);
if (state->gstate->domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
return;
}
D_DEBUG("Query user RID list for domain %s.\n",
state->gstate->domain->name);
subreq = dcerpc_wbint_QueryUserRidList_send(
state, state->ev,
dom_child_handle(state->gstate->domain),
&state->gstate->rids);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
return;
}
sid_compose(&state->next_sid, &state->gstate->domain->sid,
state->gstate->rids.rids[state->gstate->next_user]);
D_DEBUG("Get pw for SID %s composed from domain SID %s and RID %"PRIu32".\n",
dom_sid_str_buf(&state->next_sid, &buf),
dom_sid_str_buf(&state->gstate->domain->sid, &buf1),
state->gstate->rids.rids[state->gstate->next_user]);
subreq = wb_getpwsid_send(state, state->ev, &state->next_sid,
state->pw);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
}
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;
struct wb_next_pwent_state *state;
req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state);
if (req == NULL) {
return NULL;
}
D_INFO("WB command next_pwent start.\n");
state->ev = ev;
state->gstate = gstate;
state->pw = pw;
wb_next_pwent_send_do(req, state);
if (!tevent_req_is_in_progress(req)) {
return tevent_req_post(req, ev);
}
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, result;
status = dcerpc_wbint_QueryUserRidList_recv(subreq, state->gstate,
&result);
TALLOC_FREE(subreq);
if (any_nt_status_not_ok(status, result, &status)) {
/* Ignore errors here, just log it */
D_DEBUG("query_user_list for domain %s returned %s\n",
state->gstate->domain->name,
nt_errstr(status));
state->gstate->rids.num_rids = 0;
}
state->gstate->next_user = 0;
wb_next_pwent_send_do(req, state);
}
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_getpwsid_recv(subreq);
TALLOC_FREE(subreq);
/*
* When you try to enumerate users with 'getent passwd' and the user
* doesn't have a uid set we should just move on.
*/
if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
state->gstate->next_user += 1;
wb_next_pwent_send_do(req, state);
return;
} else if (tevent_req_nterror(req, status)) {
return;
}
state->gstate->next_user += 1;
tevent_req_done(req);
}
NTSTATUS wb_next_pwent_recv(struct tevent_req *req)
{
D_INFO("WB command next_pwent end.\n");
return tevent_req_simple_recv_ntstatus(req);
}
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