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_NETWORK_NETIF_NOT_FOUND;
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 if (ipAddr == NULL || netMask == NULL) {
46 COMM_LOGE(COMM_ADAPTER, "ipAddr or netMask is NULL!");
47 return SOFTBUS_NETWORK_NETIF_IP4_INFO_NULL;
48 }
49 ipStr = ip4addr_ntoa(ipAddr);
50 if (strncpy_s(ip, len, ipStr, strlen(ipStr)) != EOK) {
51 COMM_LOGE(COMM_ADAPTER, "copy ip failed!");
52 return SOFTBUS_STRCPY_ERR;
53 }
54 if (netmask != NULL) {
55 netMaskStr = ip4addr_ntoa(netMask);
56 if (strncpy_s(netmask, len, netMaskStr, strlen(netMaskStr)) != EOK) {
57 COMM_LOGE(COMM_ADAPTER, "copy netmask failed!");
58 return SOFTBUS_STRCPY_ERR;
59 }
60 }
61 return SOFTBUS_OK;
62 }
63