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/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Copyright (C) 2016 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 <talloc.h>
#include "config.h"
#include "providers/data_provider/dp.h"
#include "providers/data_provider/dp_private.h"
#include "providers/backend.h"
#include "util/util.h"
static errno_t dp_init_dbus_server(struct data_provider *provider)
{
const char *domain;
char *sbus_address;
errno_t ret;
domain = provider->be_ctx->domain->name;
ret = dp_get_sbus_address(NULL, &sbus_address, domain);
if (ret != EOK) {
DEBUG(SSSDBG_FATAL_FAILURE, "Could not get sbus backend address.\n");
return ret;
}
ret = sbus_new_server(provider, provider->ev, sbus_address,
provider->uid, provider->gid, true,
&provider->srv_conn,
dp_client_init, provider, NULL);
talloc_free(sbus_address);
if (ret != EOK) {
DEBUG(SSSDBG_FATAL_FAILURE, "Could not set up sbus server.\n");
return ret;
}
return EOK;
}
static int dp_destructor(struct data_provider *provider)
{
enum dp_clients client;
provider->terminating = true;
dp_terminate_active_requests(provider);
for (client = 0; client != DP_CLIENT_SENTINEL; client++) {
talloc_zfree(provider->clients[client]);
}
return 0;
}
errno_t dp_init(struct tevent_context *ev,
struct be_ctx *be_ctx,
uid_t uid,
gid_t gid)
{
struct data_provider *provider;
errno_t ret;
provider = talloc_zero(be_ctx, struct data_provider);
if (provider == NULL) {
return ENOMEM;
}
provider->ev = ev;
provider->uid = uid;
provider->gid = gid;
provider->be_ctx = be_ctx;
/* Initialize request table. */
ret = dp_req_table_init(provider, &provider->requests.reply_table);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unable to initialize request table "
"[%d]: %s\n", ret, sss_strerror(ret));
goto done;
}
/* Initialize data provider bus. Data provider can receive client
* registration and other D-Bus methods. However no data provider
* request will be executed as long as the modules and targets
* are not initialized.
*/
talloc_set_destructor(provider, dp_destructor);
ret = dp_init_dbus_server(provider);
if (ret != EOK) {
DEBUG(SSSDBG_FATAL_FAILURE, "Unable to setup service bus [%d]: %s\n",
ret, sss_strerror(ret));
goto done;
}
be_ctx->provider = provider;
ret = dp_init_modules(provider, &provider->modules);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unable to initialize DP modules "
"[%d]: %s\n", ret, sss_strerror(ret));
goto done;
}
ret = dp_init_targets(provider, be_ctx, provider, provider->modules);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unable to initialize DP targets "
"[%d]: %s\n", ret, sss_strerror(ret));
goto done;
}
ret = EOK;
done:
if (ret != EOK) {
talloc_free(provider);
}
return ret;
}
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