/* * Copyright 2018 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include #include #include #include #include #include #include #include #include #include "crosvm.h" /* * These must match the network arguments supplied to the plugin in plugins.rs. * IPv4 addresses here are in host-native byte order. */ const uint32_t expected_ip = 0x64735c05; // 100.115.92.5 const uint32_t expected_netmask = 0xfffffffc; // 255.255.255.252 const uint8_t expected_mac[] = {0xde, 0x21, 0xe8, 0x47, 0x6b, 0x6a}; int main(int argc, char** argv) { struct crosvm *crosvm; struct crosvm_net_config net_config; int ret = crosvm_connect(&crosvm); if (ret) { fprintf(stderr, "failed to connect to crosvm: %d\n", ret); return 1; } ret = crosvm_net_get_config(crosvm, &net_config); if (ret) { fprintf(stderr, "failed to get crosvm net config: %d\n", ret); return 1; } if (net_config.tap_fd < 0) { fprintf(stderr, "fd %d is < 0\n", net_config.tap_fd); return 1; } unsigned int features; if (ioctl(net_config.tap_fd, TUNGETFEATURES, &features) < 0) { fprintf(stderr, "failed to read tap(fd: %d) features: %s\n", net_config.tap_fd, strerror(errno)); return 1; } if (net_config.host_ip != htonl(expected_ip)) { char ip_addr[INET_ADDRSTRLEN]; inet_ntop(AF_INET, &net_config.host_ip, ip_addr, sizeof(ip_addr)); fprintf(stderr, "ip %s != 100.115.92.5\n", ip_addr); return 1; } if (net_config.netmask != htonl(expected_netmask)) { char netmask[INET_ADDRSTRLEN]; inet_ntop(AF_INET, &net_config.netmask, netmask, sizeof(netmask)); fprintf(stderr, "netmask %s != 255.255.255.252\n", netmask); return 1; } if (memcmp(net_config.host_mac_address, expected_mac, sizeof(expected_mac)) != 0) { fprintf(stderr, "mac %02X:%02X:%02X:%02X:%02X:%02X != de:21:e8:47:6b:6a\n", net_config.host_mac_address[0], net_config.host_mac_address[1], net_config.host_mac_address[2], net_config.host_mac_address[3], net_config.host_mac_address[4], net_config.host_mac_address[5]); return 1; } return 0; }