Files
crossdesk/src/common/platform.cpp

101 lines
2.5 KiB
C++

#include "platform.h"
#include "log.h"
#ifdef _WIN32
#include <Winsock2.h>
#include <iphlpapi.h>
#elif __APPLE__
#include <ifaddrs.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <sys/socket.h>
#include <sys/types.h>
#elif __linux__
#include <fcntl.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <unistd.h>
#endif
std::string GetMac() {
char mac_addr[16];
int len = 0;
#ifdef _WIN32
IP_ADAPTER_INFO adapterInfo[16];
DWORD bufferSize = sizeof(adapterInfo);
DWORD result = GetAdaptersInfo(adapterInfo, &bufferSize);
if (result == ERROR_SUCCESS) {
PIP_ADAPTER_INFO adapter = adapterInfo;
while (adapter) {
for (UINT i = 0; i < adapter->AddressLength; i++) {
len += sprintf(mac_addr + len, "%.2X", adapter->Address[i]);
}
break;
}
}
#elif __APPLE__
std::string if_name = "en0";
struct ifaddrs *addrs;
struct ifaddrs *cursor;
const struct sockaddr_dl *dlAddr;
if (!getifaddrs(&addrs)) {
cursor = addrs;
while (cursor != 0) {
const struct sockaddr_dl *socAddr =
(const struct sockaddr_dl *)cursor->ifa_addr;
if ((cursor->ifa_addr->sa_family == AF_LINK) &&
(socAddr->sdl_type == IFT_ETHER) &&
strcmp(if_name.c_str(), cursor->ifa_name) == 0) {
dlAddr = (const struct sockaddr_dl *)cursor->ifa_addr;
const unsigned char *base =
(const unsigned char *)&dlAddr->sdl_data[dlAddr->sdl_nlen];
for (int i = 0; i < dlAddr->sdl_alen; i++) {
len += sprintf(mac_addr + len, "%.2X", base[i]);
}
}
cursor = cursor->ifa_next;
}
freeifaddrs(addrs);
}
#elif __linux__
int sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock < 0) {
return "";
}
struct ifreq ifr;
struct ifconf ifc;
char buf[1024];
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = buf;
if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) {
close(sock);
return "";
}
struct ifreq *it = ifc.ifc_req;
const struct ifreq *const end = it + (ifc.ifc_len / sizeof(struct ifreq));
for (; it != end; ++it) {
std::strcpy(ifr.ifr_name, it->ifr_name);
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
continue;
}
if (ifr.ifr_flags & IFF_LOOPBACK) {
continue;
}
if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) {
continue;
}
std::string mac_address;
for (int i = 0; i < 6; ++i) {
len += sprintf(mac_addr + len, "%.2X", ifr.ifr_hwaddr.sa_data[i] & 0xff);
}
break;
}
close(sock);
#endif
return mac_addr;
}