diff options
Diffstat (limited to 'tests/plugin_net_config.c')
-rw-r--r-- | tests/plugin_net_config.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/tests/plugin_net_config.c b/tests/plugin_net_config.c new file mode 100644 index 0000000..f11fa10 --- /dev/null +++ b/tests/plugin_net_config.c @@ -0,0 +1,85 @@ +/* + * Copyright 2018 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include <arpa/inet.h> +#include <linux/if_tun.h> +#include <sys/ioctl.h> + +#include <errno.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#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 features: %s\n", + 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; +} |