1 /*
2 * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "lnn_ip_utils_adapter.h"
17
18 #include "comm_log.h"
19 #include "lwip/netif.h"
20
GetNetworkIpByIfName(const char * ifName,char * ip,char * netmask,uint32_t len)21 int32_t GetNetworkIpByIfName(const char *ifName, char *ip, char *netmask, uint32_t len)
22 {
23 if (ifName == NULL || ip == NULL) {
24 COMM_LOGE(COMM_ADAPTER, "ifName or ip buffer is NULL!");
25 return SOFTBUS_INVALID_PARAM;
26 }
27
28 struct netif *netif = NULL;
29 char *ipStr = NULL;
30 char *netMaskStr = NULL;
31 ip4_addr_t *ipAddr = NULL;
32 ip4_addr_t *netMask = NULL;
33
34 netif = netif_find(ifName);
35 if (netif == NULL) {
36 COMM_LOGE(COMM_ADAPTER, "netif is NULL!");
37 return SOFTBUS_ERR;
38 }
39 #ifdef HISPARK_PEGASUS_USE_NETIF_GET_ADDR
40 netifapi_netif_get_addr(netif, ipAddr, netMask, NULL);
41 #else
42 ipAddr = (ip4_addr_t *)netif_ip4_addr(netif);
43 netMask = (ip4_addr_t *)netif_ip4_netmask(netif);
44 #endif
45 ipStr = ip4addr_ntoa(ipAddr);
46 if (strncpy_s(ip, len, ipStr, strlen(ipStr)) != EOK) {
47 COMM_LOGE(COMM_ADAPTER, "copy ip failed!");
48 return SOFTBUS_ERR;
49 }
50 if (netmask != NULL) {
51 netMaskStr = ip4addr_ntoa(netMask);
52 if (strncpy_s(netmask, len, netMaskStr, strlen(netMaskStr)) != EOK) {
53 COMM_LOGE(COMM_ADAPTER, "copy netmask failed!");
54 return SOFTBUS_ERR;
55 }
56 }
57 return SOFTBUS_OK;
58 }
59