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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/dp_backend.h"
#include "src/providers/ldap/sdap_access.h"
static void sdap_access_reply(struct be_req *be_req, int pam_status)
{
struct pam_data *pd;
pd = talloc_get_type(be_req_get_data(be_req), struct pam_data);
pd->pam_status = pam_status;
if (pam_status == PAM_SUCCESS || pam_status == PAM_PERM_DENIED) {
be_req_terminate(be_req, DP_ERR_OK, pam_status, NULL);
} else {
be_req_terminate(be_req, DP_ERR_FATAL, pam_status, NULL);
}
}
static void sdap_access_done(struct tevent_req *req);
void sdap_pam_access_handler(struct be_req *breq)
{
struct be_ctx *be_ctx = be_req_get_be_ctx(breq);
struct pam_data *pd;
struct tevent_req *req;
struct sdap_access_ctx *access_ctx;
pd = talloc_get_type(be_req_get_data(breq), struct pam_data);
access_ctx =
talloc_get_type(be_ctx->bet_info[BET_ACCESS].pvt_bet_data,
struct sdap_access_ctx);
req = sdap_access_send(breq, be_ctx->ev, be_ctx,
be_ctx->domain, access_ctx, pd);
if (req == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Unable to start sdap_access request\n"));
sdap_access_reply(breq, PAM_SYSTEM_ERR);
return;
}
tevent_req_set_callback(req, sdap_access_done, breq);
}
static void sdap_access_done(struct tevent_req *req)
{
errno_t ret;
int pam_status;
struct be_req *breq =
tevent_req_callback_data(req, struct be_req);
ret = sdap_access_recv(req);
talloc_zfree(req);
switch (ret) {
case EOK:
pam_status = PAM_SUCCESS;
break;
case ERR_ACCESS_DENIED:
pam_status = PAM_PERM_DENIED;
break;
default:
DEBUG(SSSDBG_CRIT_FAILURE, ("Error retrieving access check result.\n"));
pam_status = PAM_SYSTEM_ERR;
break;
}
sdap_access_reply(breq, pam_status);
}
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