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/* Copyright 2020-2021 IGEL Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "socket-path.h"
#include "config.h"
#include "log.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define RUNTIME_PATH DLM_DEFAULT_RUNTIME_PATH
bool sockaddr_set_lease_server_path(struct sockaddr_un *sa,
const char *lease_name)
{
int maxlen = sizeof(sa->sun_path);
char *socket_dir = getenv("DLM_RUNTIME_PATH") ?: RUNTIME_PATH;
int len =
snprintf(sa->sun_path, maxlen, "%s/%s", socket_dir, lease_name);
if (len < 0) {
DEBUG_LOG("Socket path creation failed: %s\n", strerror(errno));
return false;
}
if (len >= maxlen) {
errno = ENAMETOOLONG;
DEBUG_LOG("Socket directoy path too long. "
"Full path to socket must be less than %d bytes\n",
maxlen);
return false;
}
return true;
}
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