static os_result
addressToIndexAndMask(struct sockaddr *addr, unsigned int *ifIndex, struct sockaddr *mask )
{
os_result result = os_resultSuccess;
os_boolean found = OS_FALSE;
PMIB_IPADDRTABLE pIPAddrTable = NULL;
DWORD dwSize = 0;
DWORD i;
char* errorMessage;
int errNo;
if (GetIpAddrTable(pIPAddrTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) {
pIPAddrTable = (MIB_IPADDRTABLE *) os_malloc(dwSize);
if (pIPAddrTable != NULL) {
if (GetIpAddrTable(pIPAddrTable, &dwSize, 0) != NO_ERROR) {
errNo = os_sockError();
errorMessage = os_reportErrnoToString(errNo);
os_report(OS_ERROR, "addressToIndexAndMask", __FILE__, __LINE__, 0,
"GetIpAddrTable failed: %d %s", errNo, errorMessage);
os_free(errorMessage);
result = os_resultFail;
}
} else {
os_report(OS_ERROR, "addressToIndexAndMask", __FILE__, __LINE__, 0,
"Failed to allocate %d bytes for IP address table", dwSize);
result = os_resultFail;
}
} else {
errNo = os_sockError();
errorMessage = os_reportErrnoToString(errNo);
os_report(OS_ERROR, "addressToIndexAndMask", __FILE__, __LINE__, 0,
"GetIpAddrTable failed: %d %s", errNo, errorMessage);
os_free(errorMessage);
result = os_resultFail;
}
if (result == os_resultSuccess) {
for (i = 0; !found && i < pIPAddrTable->dwNumEntries; i++ ) {
if (((struct sockaddr_in* ) addr )->sin_addr.s_addr == pIPAddrTable->table[i].dwAddr) {
*ifIndex = pIPAddrTable->table[i].dwIndex;
((struct sockaddr_in*) mask)->sin_addr.s_addr= pIPAddrTable->table[i].dwMask;
found = OS_TRUE;
}
}
}
if (pIPAddrTable) {
os_free(pIPAddrTable);
}
if (!found) {
result = os_resultFail;
}
return result;
}
static os_result
os_sockGetInterfaceStatus (
const char *ifName,
os_boolean *status)
{
os_boolean result = os_resultSuccess;
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;
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, 0, 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));
for (pCurrAddress = pAddresses; pCurrAddress; pCurrAddress = pCurrAddress->Next) {
char buffer[OS_IFNAMESIZE];
snprintf(buffer, sizeof(buffer), "%wS", pCurrAddress->FriendlyName);
if (strcmp(ifName, buffer) == 0) {
if (pCurrAddress->OperStatus == IfOperStatusUp) {
*status = OS_TRUE;
break;
}
}
}
if (pAddresses) {
os_free(pAddresses);
}
return result;
}
void *
os_sockQueryInterfaceStatusInit(
const char *ifName)
{
os_sockQueryInterfaceStatusInfo *info = NULL;
HANDLE hand = NULL;
DWORD ret;
info = (os_sockQueryInterfaceStatusInfo *) os_malloc(sizeof(os_sockQueryInterfaceStatusInfo));
if (info) {
memset(info, 0, sizeof(os_sockQueryInterfaceStatusInfo));
info->ifName = os_strdup(ifName);
if (!info->ifName) {
os_free(info);
info = NULL;
os_report(OS_ERROR, "os_sockQueryInterfaceStatusInit", __FILE__, __LINE__, 0,
"Failed to allocate os_sockQueryInterfaceStatusInfo");
}
}
if (info) {
info->overlap.hEvent = WSACreateEvent();
ret = NotifyAddrChange(&hand, &info->overlap);
if (ret != NO_ERROR) {
if (WSAGetLastError() != WSA_IO_PENDING) {
os_free(info->ifName);
os_free(info);
info = NULL;
os_report(OS_ERROR, "os_sockQueryInterfaceStatusInit", __FILE__, __LINE__, 0,
"Failed to administer for network interface address changes");
}
}
}
return info;
}
static void
os_sockQueryInterfaceStatusReset(
os_sockQueryInterfaceStatusInfo *info)
{
HANDLE hand = NULL;
DWORD ret;
(void)WSAResetEvent(info->overlap.hEvent);
(void)CancelIPChangeNotify(&info->overlap);
ret = NotifyAddrChange(&hand, &info->overlap);
if (ret != NO_ERROR) {
if (WSAGetLastError() != WSA_IO_PENDING) {
os_report(OS_ERROR, "os_sockQueryInterfaceStatusReset", __FILE__, __LINE__, 0,
"Failed to reset notifications for network interface address changes");
}
}
}
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;
}
os_result
os_sockQueryIPv6Interfaces(
os_ifAttributes *ifList,
os_uint32 listSize,
os_uint32 *validElements)
{
os_result result = os_resultSuccess;
os_result addressInfoResult =0;
unsigned long returnedBytes;
unsigned int listIndex;
os_socket ifcs;
int retVal, done;
char* errorMessage;
os_sockErrno errNo;
PIP_ADAPTER_ADDRESSES pAddresses = NULL;
PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL;
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
unsigned long outBufLen = 0;
/* Set the flags to pass to GetAdaptersAddresses*/
unsigned long flags = GAA_FLAG_INCLUDE_PREFIX;
int i = 0;
/* IPv6 addition */
SOCKET_ADDRESS_LIST* ipv6InterfaceList;
*validElements = 0;
listIndex = 0;
outBufLen = sizeof (IP_ADAPTER_ADDRESSES);
pAddresses = (IP_ADAPTER_ADDRESSES *) os_malloc(outBufLen);
if (GetAdaptersAddresses(AF_INET6, flags, NULL, pAddresses, &outBufLen)
== ERROR_BUFFER_OVERFLOW) {
os_free(pAddresses);
pAddresses = (IP_ADAPTER_ADDRESSES *) os_malloc(outBufLen);
}
addressInfoResult = GetAdaptersAddresses(AF_INET6, flags, NULL, pAddresses, &outBufLen);
/* Now do the IPv6 interfaces */
ifcs = os_sockNew (AF_INET6, SOCK_DGRAM);
if (ifcs != INVALID_SOCKET)
{
/* List returned from this control code query will need to be sized as 1 * SOCKET_ADDRESS_LIST + n * SOCKET_ADDRESS */
ipv6InterfaceList = os_malloc(sizeof(SOCKET_ADDRESS_LIST) + ((MAX_INTERFACES - 1) * sizeof(SOCKET_ADDRESS)));
memset(ipv6InterfaceList, 0, sizeof(SOCKET_ADDRESS_LIST) + ((MAX_INTERFACES - 1) * sizeof(SOCKET_ADDRESS)));
retVal = WSAIoctl(ifcs, SIO_ADDRESS_LIST_QUERY, NULL, 0, ipv6InterfaceList,
sizeof(SOCKET_ADDRESS_LIST) + ((MAX_INTERFACES - 1) * sizeof(SOCKET_ADDRESS)),
&returnedBytes, 0, 0);
if (retVal == SOCKET_ERROR && WSAGetLastError() == WSAEFAULT)
{
/* The buffer wasn't big enough. returnedBytes will now contain the required size
so we can reallocate & try again */
os_free(ipv6InterfaceList);
ipv6InterfaceList = os_malloc(returnedBytes);
memset(ipv6InterfaceList, 0, returnedBytes);
retVal = WSAIoctl(ifcs, SIO_ADDRESS_LIST_QUERY, NULL, 0, ipv6InterfaceList,
returnedBytes, &returnedBytes, 0, 0);
}
if (retVal == SOCKET_ERROR)
{
errNo = os_sockError();
errorMessage = os_sockErrnoToString(errNo);
os_report(OS_ERROR, "os_sockQueryInterfaces", __FILE__, __LINE__, 0,
"Socket error calling WSAIoctl for IPv6 interfaces: %d %s", errNo, errorMessage);
os_free(errorMessage);
/* @todo Is it right to return a fail here ? Need to check on box w/ no IPv6 interfaces */
result = os_resultFail;
}
else
{
for (i = 0; i < ipv6InterfaceList->iAddressCount; ++i)
{
if (ipv6InterfaceList->Address[i].lpSockaddr->sa_family == AF_INET6
&& ! (IN6_IS_ADDR_UNSPECIFIED(&((os_sockaddr_in6 *)&ipv6InterfaceList->Address[i].lpSockaddr)->sin6_addr)))
{
done = 0;
if (addressInfoResult == NO_ERROR) {
pCurrAddresses = pAddresses;
while (pCurrAddresses && !done) {
/* adapter needs to be enabled*/
if (pCurrAddresses->OperStatus == IfOperStatusUp) {
pUnicast = pCurrAddresses->FirstUnicastAddress;
while (pUnicast && !done) {
/* check if interface ip matches adapter ip */
if (os_sockaddrIPAddressEqual((os_sockaddr*) ipv6InterfaceList->Address[i].lpSockaddr,
(os_sockaddr*) pUnicast->Address.lpSockaddr))
{
snprintf(ifList[listIndex].name,
OS_IFNAMESIZE, "%wS",
pCurrAddresses->FriendlyName);
ifList[listIndex].interfaceIndexNo =
(os_uint) pCurrAddresses->Ipv6IfIndex;
done = 1;
}
pUnicast = pUnicast->Next;
}
}
pCurrAddresses = pCurrAddresses->Next;
}
}
/* if no name was found set this interface name to string
representation of the IPv6 address */
if (!done) {
os_sockaddrAddressToString((os_sockaddr*) ipv6InterfaceList->Address[i].lpSockaddr,
ifList[listIndex].name,
OS_IFNAMESIZE);
os_report(OS_WARNING,
"os_sockQueryInterfaces", __FILE__, __LINE__, 0,
"Unable to determine IPv6 adapter name. Setting instead to adapter address %s",
ifList[listIndex].name);
}
ifList[listIndex].flags = 0;
ifList[listIndex].address = *((os_sockaddr_storage*) ipv6InterfaceList->Address[i].lpSockaddr);
listIndex++;
++(*validElements);
}
}
}
os_sockFree (ifcs);
}
if (addressInfoResult == NO_ERROR) {
os_free(pAddresses);
}
return result;
}
os_result
os_sockQueryInterfaces(
os_ifAttributes *ifList,
os_uint listSize,
os_uint *validElements)
{
os_result result = os_resultSuccess;
os_result addressInfoResult =0;
INTERFACE_INFO *allInterfacesBuf;
INTERFACE_INFO *intf;
unsigned long returnedBytes;
unsigned int listIndex;
os_socket ifcs;
int retVal, done;
char* errorMessage;
os_sockErrno errNo;
PIP_ADAPTER_ADDRESSES pAddresses = NULL;
PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL;
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
unsigned long outBufLen = 0;
/* Set the flags to pass to GetAdaptersAddresses*/
unsigned long flags = GAA_FLAG_INCLUDE_PREFIX;
/* Doesn't matter what value of family you use. WSAIoctl w/ SIO_GET_INTERFACE_LIST
only returns IPv4 addresses */
unsigned long family = AF_UNSPEC;
int i = 0;
*validElements = 0;
listIndex = 0;
outBufLen = sizeof (IP_ADAPTER_ADDRESSES);
pAddresses = (IP_ADAPTER_ADDRESSES *) os_malloc(outBufLen);
if (GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen)
== ERROR_BUFFER_OVERFLOW) {
os_free(pAddresses);
pAddresses = (IP_ADAPTER_ADDRESSES *) os_malloc(outBufLen);
}
addressInfoResult = GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen);
/* List the IPv4 interfaces */
ifcs = os_sockNew (AF_INET, SOCK_DGRAM);
if (ifcs != INVALID_SOCKET) {
allInterfacesBuf = os_malloc(MAX_INTERFACES * sizeof(INTERFACE_INFO));
memset(allInterfacesBuf, 0, MAX_INTERFACES * sizeof(INTERFACE_INFO));
retVal = WSAIoctl(ifcs, SIO_GET_INTERFACE_LIST, NULL, 0, allInterfacesBuf,
MAX_INTERFACES * sizeof(INTERFACE_INFO), &returnedBytes, 0, 0);
if (retVal == SOCKET_ERROR && WSAGetLastError() == WSAEFAULT)
{
/* The buffer wasn't big enough. returnedBytes will now contain the required size
so we can reallocate & try again */
os_free(allInterfacesBuf);
allInterfacesBuf = os_malloc(returnedBytes);
memset(allInterfacesBuf, 0, returnedBytes);
retVal = WSAIoctl(ifcs, SIO_GET_INTERFACE_LIST, NULL, 0, allInterfacesBuf,
returnedBytes, &returnedBytes, 0, 0);
}
if (retVal == SOCKET_ERROR)
{
errNo = os_sockError();
errorMessage = os_sockErrnoToString(errNo);
os_report(OS_ERROR, "os_sockQueryInterfaces", __FILE__, __LINE__, 0,
"Socket error calling WSAIoctl for IPv4 interfaces: %d %s", errNo, errorMessage);
os_free(errorMessage);
/* @todo Is it right to return a fail here ? Need to check on box w/ no IPv4 interfaces */
result = os_resultFail;
}
else
{
*validElements = returnedBytes/sizeof(INTERFACE_INFO);
}
while ((listIndex < listSize) && (listIndex < *validElements)) {
done = 0;
intf = &allInterfacesBuf[listIndex];
if (addressInfoResult == NO_ERROR) {
pCurrAddresses = pAddresses;
while (pCurrAddresses && !done) {
/* adapter needs to be enabled*/
if (pCurrAddresses->OperStatus == IfOperStatusUp) {
pUnicast = pCurrAddresses->FirstUnicastAddress;
while (pUnicast && !done) {
/* check if interface ip matches adapter ip */
if (os_sockaddrIPAddressEqual((os_sockaddr*) &intf->iiAddress.AddressIn,
(os_sockaddr*) pUnicast->Address.lpSockaddr))
{
snprintf(ifList[listIndex].name,
OS_IFNAMESIZE, "%wS",
pCurrAddresses->FriendlyName);
ifList[listIndex].interfaceIndexNo =
(os_uint) pCurrAddresses->Ipv6IfIndex;
done = 1;
}
pUnicast = pUnicast->Next;
}
}
pCurrAddresses = pCurrAddresses->Next;
}
}
/* if no name is found set this */
if (!done) {
snprintf(ifList[listIndex].name,
OS_IFNAMESIZE, "0x%x",
ntohl(intf->iiAddress.AddressIn.sin_addr.S_un.S_addr));
os_report(OS_WARNING,
"os_sockQueryInterfaces", __FILE__, __LINE__, 0,
"Unable to determine IPv4 adapter name. Setting instead to adapter address %s",
ifList[listIndex].name);
}
ifList[listIndex].flags = intf->iiFlags;
ifList[listIndex].address = *((os_sockaddr_storage*) &intf->iiAddress);
ifList[listIndex].broadcast_address = *((os_sockaddr_storage*) &intf->iiBroadcastAddress);
((os_sockaddr_in *)(&(ifList[listIndex].broadcast_address)))->sin_addr.S_un.S_addr =
((os_sockaddr_in *)(&(ifList[listIndex].address)))->sin_addr.S_un.S_addr |
~(intf->iiNetmask.AddressIn.sin_addr.S_un.S_addr);
ifList[listIndex].network_mask = *((os_sockaddr_storage*) &intf->iiNetmask);
listIndex++;
}
os_sockFree (ifcs);
}
if (addressInfoResult == NO_ERROR) {
os_free(pAddresses);
}
return result;
}