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/*
Authors:
Jakub Hrozek <jhrozek@redhat.com>
Copyright (C) 2012 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 <tevent.h>
#include <dbus/dbus.h>
#include "sbus/sssd_dbus.h"
#include "util/util.h"
#include "sbus/sbus_client.h"
#include "providers/data_provider.h"
#include "responder/common/responder.h"
#include "responder/ssh/sshsrv_private.h"
struct sss_dp_get_ssh_host_info {
struct sss_domain_info *dom;
bool fast_reply;
const char *name;
const char *alias;
};
static DBusMessage *
sss_dp_get_ssh_host_msg(void *pvt);
struct tevent_req *
sss_dp_get_ssh_host_send(TALLOC_CTX *mem_ctx,
struct resp_ctx *rctx,
struct sss_domain_info *dom,
bool fast_reply,
const char *name,
const char *alias)
{
errno_t ret;
struct tevent_req *req;
struct sss_dp_get_ssh_host_info *info;
struct sss_dp_req_state *state;
char *key;
req = tevent_req_create(mem_ctx, &state, struct sss_dp_req_state);
if (!req) {
ret = ENOMEM;
goto error;
}
if (!dom) {
ret = EINVAL;
goto error;
}
info = talloc_zero(state, struct sss_dp_get_ssh_host_info);
info->fast_reply = fast_reply;
info->name = name;
info->alias = alias;
info->dom = dom;
if (alias) {
key = talloc_asprintf(state, "%s:%s@%s", name, alias, dom->name);
} else {
key = talloc_asprintf(state, "%s@%s", name, dom->name);
}
if (!key) {
ret = ENOMEM;
goto error;
}
ret = sss_dp_issue_request(state, rctx, key, dom, sss_dp_get_ssh_host_msg,
info, req);
talloc_free(key);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE,
("Could not issue DP request [%d]: %s\n",
ret, strerror(ret)));
goto error;
}
return req;
error:
tevent_req_error(req, ret);
tevent_req_post(req, rctx->ev);
return req;
}
static DBusMessage *
sss_dp_get_ssh_host_msg(void *pvt)
{
DBusMessage *msg;
dbus_bool_t dbret;
struct sss_dp_get_ssh_host_info *info;
uint32_t be_type = 0;
char *filter;
info = talloc_get_type(pvt, struct sss_dp_get_ssh_host_info);
if (info->fast_reply) {
be_type |= BE_REQ_FAST;
}
if (info->alias) {
filter = talloc_asprintf(info, "name=%s:%s", info->name, info->alias);
} else {
filter = talloc_asprintf(info, "name=%s", info->name);
}
if (!filter) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Out of memory?!\n"));
return NULL;
}
msg = dbus_message_new_method_call(NULL,
DP_PATH,
DP_INTERFACE,
DP_METHOD_HOSTHANDLER);
if (msg == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Out of memory?!\n"));
talloc_free(filter);
return NULL;
}
/* create the message */
DEBUG(SSSDBG_TRACE_FUNC,
("Creating SSH host request for [%s][%u][%s]\n",
info->dom->name, be_type, filter));
dbret = dbus_message_append_args(msg,
DBUS_TYPE_UINT32, &be_type,
DBUS_TYPE_STRING, &filter,
DBUS_TYPE_INVALID);
talloc_free(filter);
if (!dbret) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to build message\n"));
dbus_message_unref(msg);
return NULL;
}
return msg;
}
errno_t
sss_dp_get_ssh_host_recv(TALLOC_CTX *mem_ctx,
struct tevent_req *req,
dbus_uint16_t *dp_err,
dbus_uint32_t *dp_ret,
char **err_msg)
{
return sss_dp_req_recv(mem_ctx, req, dp_err, dp_ret, err_msg);
}
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