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/*
SSSD
ldap_access.c
Authors:
Simo Sorce <ssorce@redhat.com>
Copyright (C) 2013 Red Hat
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 <security/pam_modules.h>
#include "src/util/util.h"
#include "src/providers/data_provider.h"
#include "src/providers/backend.h"
#include "src/providers/ldap/sdap_access.h"
#include "providers/ldap/ldap_common.h"
struct sdap_pam_access_handler_state {
struct pam_data *pd;
};
static void sdap_pam_access_handler_done(struct tevent_req *subreq);
struct tevent_req *
sdap_pam_access_handler_send(TALLOC_CTX *mem_ctx,
struct sdap_access_ctx *access_ctx,
struct pam_data *pd,
struct dp_req_params *params)
{
struct sdap_pam_access_handler_state *state;
struct tevent_req *subreq;
struct tevent_req *req;
req = tevent_req_create(mem_ctx, &state,
struct sdap_pam_access_handler_state);
if (req == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create() failed\n");
return NULL;
}
state->pd = pd;
subreq = sdap_access_send(state, params->ev, params->be_ctx,
params->domain, access_ctx,
access_ctx->id_ctx->conn, pd);
if (subreq == NULL) {
pd->pam_status = PAM_SYSTEM_ERR;
goto immediately;
}
tevent_req_set_callback(subreq, sdap_pam_access_handler_done, req);
return req;
immediately:
/* TODO For backward compatibility we always return EOK to DP now. */
tevent_req_done(req);
tevent_req_post(req, params->ev);
return req;
}
static void sdap_pam_access_handler_done(struct tevent_req *subreq)
{
struct sdap_pam_access_handler_state *state;
struct tevent_req *req;
errno_t ret;
req = tevent_req_callback_data(subreq, struct tevent_req);
state = tevent_req_data(req, struct sdap_pam_access_handler_state);
ret = sdap_access_recv(subreq);
talloc_free(subreq);
switch (ret) {
case EOK:
case ERR_PASSWORD_EXPIRED_WARN:
state->pd->pam_status = PAM_SUCCESS;
break;
case ERR_ACCOUNT_EXPIRED:
state->pd->pam_status = PAM_ACCT_EXPIRED;
break;
case ERR_ACCESS_DENIED:
case ERR_PASSWORD_EXPIRED:
case ERR_PASSWORD_EXPIRED_REJECT:
state->pd->pam_status = PAM_PERM_DENIED;
break;
case ERR_PASSWORD_EXPIRED_RENEW:
state->pd->pam_status = PAM_NEW_AUTHTOK_REQD;
break;
default:
DEBUG(SSSDBG_CRIT_FAILURE, "Error retrieving access check result.\n");
state->pd->pam_status = PAM_SYSTEM_ERR;
break;
}
/* TODO For backward compatibility we always return EOK to DP now. */
tevent_req_done(req);
}
errno_t
sdap_pam_access_handler_recv(TALLOC_CTX *mem_ctx,
struct tevent_req *req,
struct pam_data **_data)
{
struct sdap_pam_access_handler_state *state = NULL;
state = tevent_req_data(req, struct sdap_pam_access_handler_state);
TEVENT_REQ_RETURN_ON_ERROR(req);
*_data = talloc_steal(mem_ctx, state->pd);
return EOK;
}
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