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/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Jakub Hrozek <jhrozek@redhat.com>
Copyright (C) 2011 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_req.h"
#include "providers/data_provider/dp_responder_iface.h"
#include "responder/common/responder.h"
#include "responder/sudo/sudosrv_private.h"
#include "db/sysdb.h"
struct sss_dp_get_sudoers_info {
struct sss_domain_info *dom;
bool fast_reply;
enum sss_dp_sudo_type type;
const char *name;
uint32_t num_rules;
struct sysdb_attrs **rules;
};
static DBusMessage *
sss_dp_get_sudoers_msg(void *pvt);
struct tevent_req *
sss_dp_get_sudoers_send(TALLOC_CTX *mem_ctx,
struct resp_ctx *rctx,
struct sss_domain_info *dom,
bool fast_reply,
enum sss_dp_sudo_type type,
const char *name,
uint32_t num_rules,
struct sysdb_attrs **rules)
{
struct tevent_req *req;
struct sss_dp_req_state *state;
struct sss_dp_get_sudoers_info *info;
errno_t ret;
char *key = NULL;
req = tevent_req_create(mem_ctx, &state, struct sss_dp_req_state);
if (!req) {
return NULL;
}
if (!dom) {
ret = EINVAL;
goto error;
}
info = talloc_zero(state, struct sss_dp_get_sudoers_info);
info->fast_reply = fast_reply;
info->type = type;
info->name = name;
info->dom = dom;
info->num_rules = num_rules;
info->rules = rules;
switch (info->type) {
case SSS_DP_SUDO_REFRESH_RULES:
key = talloc_asprintf(state, "%d:%u:%s@%s", type,
num_rules, name, dom->name);
break;
case SSS_DP_SUDO_FULL_REFRESH:
key = talloc_asprintf(state, "%d:%s", type, dom->name);
break;
}
if (!key) {
ret = ENOMEM;
goto error;
}
ret = sss_dp_issue_request(state, rctx, key, dom, sss_dp_get_sudoers_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_sudoers_msg(void *pvt)
{
DBusMessage *msg;
DBusMessageIter iter;
DBusMessageIter array_iter;
dbus_bool_t dbret;
errno_t ret;
struct sss_dp_get_sudoers_info *info;
uint32_t be_type = 0;
uint32_t dp_flags = 0;
const char *rule_name = NULL;
uint32_t i;
info = talloc_get_type(pvt, struct sss_dp_get_sudoers_info);
switch (info->type) {
case SSS_DP_SUDO_REFRESH_RULES:
be_type = BE_REQ_SUDO_RULES;
break;
case SSS_DP_SUDO_FULL_REFRESH:
be_type = BE_REQ_SUDO_FULL;
break;
}
if (info->fast_reply) {
dp_flags |= DP_FAST_REPLY;
}
msg = dbus_message_new_method_call(NULL,
DP_PATH,
IFACE_DP,
IFACE_DP_SUDOHANDLER);
if (msg == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Out of memory?!\n");
return NULL;
}
/* create the message */
DEBUG(SSSDBG_TRACE_FUNC,
"Creating SUDOers request for [%s][%u][%s][%u]\n",
info->dom->name, be_type, info->name, info->num_rules);
dbus_message_iter_init_append(msg, &iter);
dbret = dbus_message_iter_append_basic(&iter, DBUS_TYPE_UINT32, &dp_flags);
if (dbret == FALSE) {
goto fail;
}
/* BE TYPE */
dbret = dbus_message_iter_append_basic(&iter, DBUS_TYPE_UINT32, &be_type);
if (dbret == FALSE) {
goto fail;
}
/* BE TYPE SPECIFIC */
if (be_type & BE_REQ_SUDO_RULES) {
dbret = dbus_message_iter_append_basic(&iter, DBUS_TYPE_UINT32,
&info->num_rules);
if (dbret == FALSE) {
goto fail;
}
dbret = dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_STRING_AS_STRING,
&array_iter);
if (dbret == FALSE) {
goto fail;
}
for (i = 0; i < info->num_rules; i++) {
ret = sysdb_attrs_get_string(info->rules[i], SYSDB_NAME, &rule_name);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "Could not get rule name [%d]: %s\n",
ret, strerror(ret));
goto fail;
}
dbret = dbus_message_iter_append_basic(&array_iter,
DBUS_TYPE_STRING,
&rule_name);
if (dbret == FALSE) {
goto fail;
}
}
dbret = dbus_message_iter_close_container(&iter, &array_iter);
if (dbret == FALSE) {
goto fail;
}
}
return msg;
fail:
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to build message\n");
dbus_message_unref(msg);
return NULL;
}
errno_t
sss_dp_get_sudoers_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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