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/*
Authors:
Pavel Březina <pbrezina@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 <stdlib.h>
#include <string.h>
#include <errno.h>
#include "sss_client/sss_cli.h"
#include "sss_client/sudo/sss_sudo.h"
#include "sss_client/sudo/sss_sudo_private.h"
static int sss_sudo_create_query(const char *username,
char **_query,
int *_query_len);
static void sss_sudo_free_rules(unsigned int num_rules,
struct sss_rule *rules);
static void sss_sudo_free_attrs(unsigned int num_attrs,
struct sss_attr *attrs);
int sss_sudo_send_recv(const char *username,
uint32_t *_error,
struct sss_result **_result)
{
struct sss_result *result = NULL;
struct sss_cli_req_data request;
char *query = NULL;
int query_len = 0;
uint8_t *reply_buf = NULL;
size_t reply_len = 0;
uint32_t responder_error = 0;
int errnop = 0;
int ret = 0;
/* create query */
ret = sss_sudo_create_query(username, &query, &query_len);
if (ret != EOK) {
goto done;
}
request.len = query_len;
request.data = (const void*)query;
/* send query and recieve response */
errnop = 0;
ret = sss_sudo_make_request(SSS_SUDO_GET_SUDORULES, &request,
&reply_buf, &reply_len, &errnop);
if (errnop != EOK) {
ret = errnop;
goto done;
}
/* parse and print structure */
ret = sss_sudo_parse_response((const char*)reply_buf, reply_len,
&result, &responder_error);
if (ret != EOK) {
goto done;
}
*_error = responder_error;
*_result = result;
ret = EOK;
done:
free(query);
return ret;
}
int sss_sudo_create_query(const char *username, char **_query, int *_query_len)
{
char *data = NULL;
int data_len = strlen(username) + 1;
if (data_len <= 1) {
return EINVAL;
}
data = (char*)malloc(data_len * sizeof(char));
if (data == NULL) {
return ENOMEM;
}
memcpy(data, username, data_len);
*_query = data;
*_query_len = data_len;
return EOK;
}
int sss_sudo_get_values(struct sss_rule *e,
const char *attrname, char ***_values)
{
struct sss_attr *attr = NULL;
char **values = NULL;
int i, j;
for (i = 0; i < e->num_attrs; i++) {
attr = e->attrs + i;
if (strcasecmp(attr->name, attrname) == 0) {
values = calloc(attr->num_values + 1, sizeof(char*));
if (values == NULL) {
return ENOMEM;
}
for (j = 0; j < attr->num_values; j++) {
values[j] = strdup(attr->values[j]);
if (values[j] == NULL) {
return ENOMEM;
}
}
values[attr->num_values] = NULL;
}
}
if (values == 0) {
return ENOENT;
}
*_values = values;
return EOK;
}
void sss_sudo_free_values(char **values)
{
char **value = NULL;
if (values == NULL) {
return;
}
for (value = values; *value != NULL; value++) {
free(*value);
}
free(values);
}
void sss_sudo_free_result(struct sss_result *result)
{
if (result == NULL) {
return;
}
sss_sudo_free_rules(result->num_rules, result->rules);
free(result);
}
void sss_sudo_free_rules(unsigned int num_rules, struct sss_rule *rules)
{
struct sss_rule *rule = NULL;
int i;
if (rules == NULL) {
return;
}
for (i = 0; i < num_rules; i++) {
rule = rules + i;
if (rule == NULL) {
continue;
}
sss_sudo_free_attrs(rule->num_attrs, rule->attrs);
rule->attrs = NULL;
}
free(rules);
}
void sss_sudo_free_attrs(unsigned int num_attrs, struct sss_attr *attrs)
{
struct sss_attr *attr = NULL;;
int i, j;
if (attrs == NULL) {
return;
}
for (i = 0; i < num_attrs; i++) {
attr = attrs + i;
if (attr == NULL) {
continue;
}
free(attr->name);
attr->name = NULL;
for (j = 0; j < attr->num_values; j++) {
free(attr->values[j]);
attr->values[j] = NULL;
}
free(attr->values);
}
free(attrs);
}
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