static Boolean getInterfaceInfo(char* ifaceName, InterfaceInfo* ifaceInfo)
{
int res;
res = interfaceExists(ifaceName);
if (res == -1) {
return FALSE;
} else if (res == 0) {
ERROR("Interface %s does not exist.\n", ifaceName);
return FALSE;
}
res = getInterfaceAddress(ifaceName, ifaceInfo->addressFamily, &ifaceInfo->afAddress);
if (res == -1) {
return FALSE;
}
ifaceInfo->hasAfAddress = res;
res = getHwAddress(ifaceName, (unsigned char*)ifaceInfo->hwAddress, 6);
if (res == -1) {
return FALSE;
}
ifaceInfo->hasHwAddress = res;
res = getInterfaceFlags(ifaceName, &ifaceInfo->flags);
if (res == -1) {
return FALSE;
}
return TRUE;
}
os_result
os_sockQueryIPv6Interfaces (
os_ifAttributes *ifList,
unsigned int listSize,
unsigned int *validElements)
{
os_result result = os_resultSuccess;
ULONG filter;
PIP_ADAPTER_ADDRESSES pAddresses = NULL;
PIP_ADAPTER_ADDRESSES pCurrAddress = NULL;
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
ULONG outBufLen = WORKING_BUFFER_SIZE;
ULONG retVal;
int iterations = 0;
int listIndex = 0;
filter = GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER;
do {
pAddresses = (IP_ADAPTER_ADDRESSES *) os_malloc(outBufLen);
if (!pAddresses) {
os_report(OS_ERROR, "os_sockQueryIPv6Interfaces", __FILE__, __LINE__, 0,
"Failed to allocate %d bytes for Adapter addresses", outBufLen);
return os_resultFail;
}
retVal = GetAdaptersAddresses(AF_INET6, filter, NULL, pAddresses, &outBufLen);
if (retVal == ERROR_BUFFER_OVERFLOW) {
os_free(pAddresses);
pAddresses = NULL;
outBufLen <<= 1; /* double the buffer just to be save.*/
} else {
break;
}
iterations++;
} while ((retVal == ERROR_BUFFER_OVERFLOW) && (iterations < MAX_TRIES));
if (retVal != ERROR_SUCCESS) {
if (pAddresses) {
os_free(pAddresses);
pAddresses = NULL;
}
os_report(OS_ERROR, "os_sockQueryIPv6Interfaces", __FILE__, __LINE__, 0,
"Failed to GetAdaptersAddresses");
return os_resultFail;
}
for (pCurrAddress = pAddresses; pCurrAddress; pCurrAddress = pCurrAddress->Next) {
DWORD ipv6IfIndex = 0;
IP_ADAPTER_PREFIX *firstPrefix = NULL;
if (pCurrAddress->Length >= sizeof(IP_ADAPTER_ADDRESSES)) {
ipv6IfIndex = pCurrAddress->Ipv6IfIndex;
firstPrefix = pCurrAddress->FirstPrefix;
}
if (((ipv6IfIndex == 1) && (pCurrAddress->IfType != IF_TYPE_SOFTWARE_LOOPBACK)) || (pCurrAddress->IfType == IF_TYPE_TUNNEL)) {
continue;
}
if (pCurrAddress->OperStatus != IfOperStatusUp) {
continue;
}
for (pUnicast = pCurrAddress->FirstUnicastAddress; pUnicast; pUnicast = pUnicast->Next) {
IP_ADAPTER_PREFIX *prefix;
IN6_ADDR mask;
struct sockaddr_in6 *sa6;
struct sockaddr_in6 ipv6Netmask;
if (pUnicast->Address.lpSockaddr->sa_family != AF_INET6) {
continue;
}
snprintf(ifList[listIndex].name, OS_IFNAMESIZE, "%wS", pCurrAddress->FriendlyName);
// Get interface flags.
ifList[listIndex].flags = getInterfaceFlags(pCurrAddress);
ifList[listIndex].interfaceIndexNo = (os_uint) pCurrAddress->Ipv6IfIndex;
memcpy(&ifList[listIndex].address, pUnicast->Address.lpSockaddr, pUnicast->Address.iSockaddrLength);
memcpy(&ifList[listIndex].broadcast_address, pUnicast->Address.lpSockaddr, pUnicast->Address.iSockaddrLength);
memcpy(&ifList[listIndex].network_mask, pUnicast->Address.lpSockaddr, pUnicast->Address.iSockaddrLength);
sa6 = (struct sockaddr_in6 *)&ifList[listIndex].network_mask;
memset(&sa6->sin6_addr.s6_addr, 0xFF, sizeof(sa6->sin6_addr.s6_addr));
for (prefix = firstPrefix; prefix; prefix = prefix->Next) {
unsigned int l, i;
if ((prefix->PrefixLength == 0) || (prefix->PrefixLength > 128) ||
(pUnicast->Address.iSockaddrLength != prefix->Address.iSockaddrLength) ||
(memcmp(pUnicast->Address.lpSockaddr, prefix->Address.lpSockaddr, pUnicast->Address.iSockaddrLength) == 0)){
continue;
}
memset(&ipv6Netmask, 0, sizeof(ipv6Netmask));
ipv6Netmask.sin6_family = AF_INET6;
l = prefix->PrefixLength;
for (i = 0; l > 0; l -= 8, i++) {
ipv6Netmask.sin6_addr.s6_addr[i] = (l >= 8) ? 0xFF : ((0xFF << (8-l)) & 0xFF);
}
for (i = 0; i < 16; i++) {
mask.s6_addr[i] =
((struct sockaddr_in6 *)pUnicast->Address.lpSockaddr)->sin6_addr.s6_addr[i] & ipv6Netmask.sin6_addr.s6_addr[i];
}
if (memcmp(((struct sockaddr_in6 *)prefix->Address.lpSockaddr)->sin6_addr.s6_addr,
mask.s6_addr, sizeof(ipv6Netmask.sin6_addr)) == 0) {
memcpy(&sa6->sin6_addr.s6_addr, &ipv6Netmask.sin6_addr.s6_addr, sizeof(sa6->sin6_addr.s6_addr));
}
}
listIndex++;
}
}
for (pCurrAddress = pAddresses; pCurrAddress; pCurrAddress = pCurrAddress->Next) {
if (pCurrAddress->OperStatus != IfOperStatusUp) {
snprintf(ifList[listIndex].name, OS_IFNAMESIZE, "%wS", pCurrAddress->FriendlyName);
// Get interface flags.
ifList[listIndex].flags = getInterfaceFlags(pCurrAddress);
ifList[listIndex].interfaceIndexNo = 0;
memset (&ifList[listIndex].address, 0, sizeof(ifList[listIndex].address));
memset (&ifList[listIndex].broadcast_address, 0, sizeof (ifList[listIndex].broadcast_address));
memset (&ifList[listIndex].network_mask, 0, sizeof (ifList[listIndex].network_mask));
listIndex++;
}
}
if (pAddresses) {
os_free(pAddresses);
}
*validElements = listIndex;
return result;
}
os_result
os_sockQueryInterfaces(
os_ifAttributes *ifList,
unsigned int listSize,
unsigned int *validElements)
{
os_result result = os_resultSuccess;
DWORD filter;
PIP_ADAPTER_ADDRESSES pAddresses = NULL;
PIP_ADAPTER_ADDRESSES pCurrAddress = NULL;
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
unsigned long outBufLen = WORKING_BUFFER_SIZE;
int retVal;
int iterations = 0;
int listIndex = 0;
filter = GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER;
do {
pAddresses = (IP_ADAPTER_ADDRESSES *) os_malloc(outBufLen);
if (!pAddresses) {
os_report(OS_ERROR, "os_sockQueryInterfaces", __FILE__, __LINE__, 0,
"Failed to allocate %d bytes for Adapter addresses", outBufLen);
return os_resultFail;
}
retVal = GetAdaptersAddresses(AF_INET, filter, NULL, pAddresses, &outBufLen);
if (retVal == ERROR_BUFFER_OVERFLOW) {
os_free(pAddresses);
pAddresses = NULL;
outBufLen <<= 1; /* double the buffer just to be save.*/
} else {
break;
}
iterations++;
} while ((retVal == ERROR_BUFFER_OVERFLOW) && (iterations < MAX_TRIES));
if (retVal != ERROR_SUCCESS) {
if (pAddresses) {
os_free(pAddresses);
pAddresses = NULL;
}
os_report(OS_ERROR, "os_sockQueryInterfaces", __FILE__, __LINE__, 0,
"Failed to GetAdaptersAddresses");
return os_resultFail;
}
for (pCurrAddress = pAddresses; pCurrAddress; pCurrAddress = pCurrAddress->Next) {
IP_ADAPTER_PREFIX *firstPrefix = NULL;
if (pCurrAddress->Length >= sizeof(IP_ADAPTER_ADDRESSES)) {
firstPrefix = pCurrAddress->FirstPrefix;
}
if (pCurrAddress->OperStatus != IfOperStatusUp) {
continue;
}
for (pUnicast = pCurrAddress->FirstUnicastAddress; pUnicast; pUnicast = pUnicast->Next) {
unsigned int ipv4Index;
struct sockaddr_in ipv4Netmask;
if (pUnicast->Address.lpSockaddr->sa_family != AF_INET) {
continue;
}
ipv4Index = 0;
memset(&ipv4Netmask, 0, sizeof(ipv4Netmask));
if (addressToIndexAndMask((struct sockaddr *) pUnicast->Address.lpSockaddr,
&ipv4Index, (struct sockaddr *) &ipv4Netmask) != os_resultSuccess) {
continue;
}
snprintf(ifList[listIndex].name, OS_IFNAMESIZE, "%wS", pCurrAddress->FriendlyName);
// Get interface flags.
ifList[listIndex].flags = getInterfaceFlags(pCurrAddress);
ifList[listIndex].interfaceIndexNo = ipv4Index;
memcpy(&ifList[listIndex].address, pUnicast->Address.lpSockaddr, pUnicast->Address.iSockaddrLength);
memcpy(&ifList[listIndex].broadcast_address, pUnicast->Address.lpSockaddr, pUnicast->Address.iSockaddrLength);
memcpy(&ifList[listIndex].network_mask, pUnicast->Address.lpSockaddr, pUnicast->Address.iSockaddrLength);
((struct sockaddr_in *)(&(ifList[listIndex].broadcast_address)))->sin_addr.s_addr =
((struct sockaddr_in *)(&(ifList[listIndex].address)))->sin_addr.s_addr | ~(ipv4Netmask.sin_addr.s_addr);
((struct sockaddr_in *)&(ifList[listIndex].network_mask))->sin_addr.s_addr = ipv4Netmask.sin_addr.s_addr;
listIndex++;
}
}
for (pCurrAddress = pAddresses; pCurrAddress; pCurrAddress = pCurrAddress->Next) {
if (pCurrAddress->OperStatus != IfOperStatusUp) {
snprintf(ifList[listIndex].name, OS_IFNAMESIZE, "%wS", pCurrAddress->FriendlyName);
// Get interface flags.
ifList[listIndex].flags = getInterfaceFlags(pCurrAddress);
ifList[listIndex].interfaceIndexNo = 0;
memset (&ifList[listIndex].address, 0, sizeof(ifList[listIndex].address));
memset (&ifList[listIndex].broadcast_address, 0, sizeof (ifList[listIndex].broadcast_address));
memset (&ifList[listIndex].network_mask, 0, sizeof (ifList[listIndex].network_mask));
listIndex++;
}
}
if (pAddresses) {
os_free(pAddresses);
}
*validElements = listIndex;
return result;
}
