mirror of
https://github.com/openharmony/kernel_common_modules_newip.git
synced 2026-08-26 19:50:43 -04:00
liangbotong
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
// SPDX-License-Identifier: BSD-3-Clause
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/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdint.h>
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#include "nip_uapi.h"
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#include "nip_lib.h"
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/* get ifindex based on the device name
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* struct ifreq ifr;
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* struct nip_ifreq ifrn;
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* ioctl(fd, SIOGIFINDEX, &ifr);
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* ifr.ifr_ifindex; ===> ifindex
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*/
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int nip_add_addr(int ifindex, const unsigned char *addr, unsigned char addr_len)
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{
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int fd, ret;
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struct nip_ifreq ifrn;
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fd = socket(AF_NINET, SOCK_DGRAM, 0);
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if (fd < 0)
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return -1;
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memset(&ifrn, 0, sizeof(ifrn));
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ifrn.ifrn_addr.bitlen = addr_len * 8; // Byte length is converted to bit length
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memcpy(ifrn.ifrn_addr.nip_addr_field8, addr, addr_len);
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ifrn.ifrn_ifindex = ifindex;
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ret = ioctl(fd, SIOCSIFADDR, &ifrn);
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if (ret < 0 && errno != EEXIST) { // ignore File Exists error
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printf("cfg newip addr fail, ifindex=%d, ret=%d\n", ifindex, ret);
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close(fd);
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return -1;
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}
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close(fd);
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return 0;
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}
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/* Before executing the use case, run ifconfig XXX up.
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* XXX indicates the NIC name, for example, eth0 and wlan0
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*/
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int main(int argc, char **argv)
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{
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int ifindex = 0;
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int ret;
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unsigned char client_addr[INDEX_1] = {0x50}; // 1-byte address of the client: 0x50
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unsigned char server_addr[INDEX_2] = {0xDE, 0x00}; // 2-byte address of the server: 0xDE00
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unsigned char *addr;
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unsigned char addr_len;
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if (argc == DEMO_INPUT_1) {
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if (!strcmp(*(argv + 1), "server")) {
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printf("server cfg addr=0x%02x%02x\n",
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server_addr[INDEX_0], server_addr[INDEX_1]);
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addr = server_addr;
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addr_len = sizeof(server_addr);
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} else if (!strcmp(*(argv + 1), "client")) {
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printf("client cfg addr=0x%02x\n", client_addr[INDEX_0]);
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addr = client_addr;
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addr_len = sizeof(client_addr);
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} else {
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printf("invalid addr cfg input\n");
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return -1;
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}
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} else {
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printf("unsupport addr cfg input\n");
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return -1;
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}
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ret = nip_get_ifindex(NIC_NAME, &ifindex);
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if (ret != 0)
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return -1;
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ret = nip_add_addr(ifindex, addr, addr_len);
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if (ret != 0)
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return -1;
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printf("%s %s(ifindex=%d) cfg addr success\n", *argv, NIC_NAME, ifindex);
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return 0;
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}
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