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92269be92a
- Modify the DHCP-client data structure to support multiple DNS addresses - Enhance DHCP-option parsing to extract all DNS-server addresses - Set all received DNS-server addresses - fix some test case build error Signed-off-by: nuttxs <zhaoqing.zhang@sony.com>
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_delipv6dnsaddr.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/socket.h>
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#include <string.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <nuttx/net/dns.h>
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#include "netutils/netlib.h"
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#if defined(CONFIG_NET_IPv6) && defined(CONFIG_NETDB_DNSCLIENT)
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_del_ipv6dnsaddr
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*
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* Description:
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* Remove a DNS server IPv6 address from the list by address
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*
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* Parameters:
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* inaddr The IPv6 address to remove
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*
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* Return:
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* Zero (OK) is returned on success; A negated errno value is returned
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* on failure.
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*
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****************************************************************************/
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int netlib_del_ipv6dnsaddr(FAR const struct in6_addr *inaddr)
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{
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struct sockaddr_in6 addr;
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int ret = -EINVAL;
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if (inaddr)
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{
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/* Del the IPv6 DNS server address */
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addr.sin6_family = AF_INET6;
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addr.sin6_port = 0;
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memcpy(&addr.sin6_addr, inaddr, sizeof(struct in6_addr));
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ret = dns_del_nameserver((FAR const struct sockaddr *)&addr,
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sizeof(struct sockaddr_in6));
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}
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return ret;
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}
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/****************************************************************************
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* Name: netlib_del_ipv6dnsaddr_by_index
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*
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* Description:
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* Remove a DNS server IPv6 address from the list by index (0-based)
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*
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* Parameters:
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* index:The index of the DNS server to remove (0=first, 1=second, etc.)
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*
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* Return:
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* Zero (OK) is returned on success; A negated errno value is returned
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* on failure.
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*
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****************************************************************************/
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int netlib_del_ipv6dnsaddr_by_index(int index)
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{
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return dns_del_nameserver_by_index(index);
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}
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#endif /* CONFIG_NET_IPv6 && CONFIG_NETDB_DNSCLIENT */
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