nuttx-apps/netutils/netlib/netlib_setipv6addr.c
Xiang Xiao 0426c8c09f Fix error: 'strncpy' specified bound 16 equals destination size
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-02-15 12:38:03 +01:00

93 lines
2.8 KiB
C

/****************************************************************************
* apps/netutils/netlib/netlib_setipv6addr.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_NET_IPv6
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <netinet/in.h>
#include <net/if.h>
#include "netutils/netlib.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: netlib_set_ipv6addr
*
* Description:
* Set the network driver IPv6 address
*
* Parameters:
* ifname The name of the interface to use
* ipaddr The address to set
*
* Return:
* 0 on success; -1 on failure
*
****************************************************************************/
int netlib_set_ipv6addr(FAR const char *ifname,
FAR const struct in6_addr *addr)
{
int ret = ERROR;
if (ifname && addr)
{
int sockfd = socket(NET_SOCK_FAMILY, NET_SOCK_TYPE, NET_SOCK_PROTOCOL);
if (sockfd >= 0)
{
FAR struct sockaddr_in6 *inaddr;
struct lifreq req;
/* Add the device name to the request */
strlcpy(req.lifr_name, ifname, IFNAMSIZ);
/* Add the INET address to the request */
inaddr = (FAR struct sockaddr_in6 *)&req.lifr_addr;
inaddr->sin6_family = AF_INET6;
inaddr->sin6_port = 0;
memcpy(&inaddr->sin6_addr, addr, sizeof(struct in6_addr));
ret = ioctl(sockfd, SIOCSLIFADDR,
((unsigned long)(uintptr_t)&req));
close(sockfd);
}
}
return ret;
}
#endif /* CONFIG_NET_IPv6 */