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307 lines
8.9 KiB
C
307 lines
8.9 KiB
C
#if defined(__MINGW32__) && !defined(_WIN64)
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/*
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* Contains routines missing from WS2_32.DLL until 2006, if yer using
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* Microsoft C/C++, then this code is irrelevant, as the official
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* Platform SDK already links against these routines in the correct
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* libraries.
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*
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* -despair86 30/07/18
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*/
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// these need to be in a specific order
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#include <assert.h>
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#include <stdbool.h>
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#include <net/net.h>
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#include <windows.h>
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#include <iphlpapi.h>
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#if WINNT_CROSS_COMPILE && !NTSTATUS
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typedef LONG NTSTATUS;
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#endif
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#include "win32_intrnl.h"
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const char*
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inet_ntop(int af, const void* src, char* dst, size_t size)
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{
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int address_length;
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DWORD string_length = size;
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struct sockaddr_storage sa;
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struct sockaddr_in* sin = (struct sockaddr_in*)&sa;
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struct sockaddr_in6* sin6 = (struct sockaddr_in6*)&sa;
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memset(&sa, 0, sizeof(sa));
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switch (af)
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{
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case AF_INET:
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address_length = sizeof(struct sockaddr_in);
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sin->sin_family = af;
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memcpy(&sin->sin_addr, src, sizeof(struct in_addr));
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break;
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case AF_INET6:
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address_length = sizeof(struct sockaddr_in6);
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sin6->sin6_family = af;
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memcpy(&sin6->sin6_addr, src, sizeof(struct in6_addr));
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break;
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default:
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return NULL;
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}
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if (WSAAddressToString((LPSOCKADDR)&sa, address_length, NULL, dst, &string_length) == 0)
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{
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return dst;
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}
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return NULL;
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}
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int
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inet_pton(int af, const char* src, void* dst)
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{
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int address_length;
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struct sockaddr_storage sa;
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struct sockaddr_in* sin = (struct sockaddr_in*)&sa;
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struct sockaddr_in6* sin6 = (struct sockaddr_in6*)&sa;
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switch (af)
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{
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case AF_INET:
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address_length = sizeof(struct sockaddr_in);
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break;
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case AF_INET6:
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address_length = sizeof(struct sockaddr_in6);
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break;
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default:
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return -1;
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}
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if (WSAStringToAddress((LPTSTR)src, af, NULL, (LPSOCKADDR)&sa, &address_length) == 0)
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{
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switch (af)
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{
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case AF_INET:
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memcpy(dst, &sin->sin_addr, sizeof(struct in_addr));
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break;
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case AF_INET6:
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memcpy(dst, &sin6->sin6_addr, sizeof(struct in6_addr));
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break;
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}
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return 1;
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}
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return 0;
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}
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typedef struct _InterfaceIndexTable
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{
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DWORD numIndexes;
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IF_INDEX indexes[1];
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} InterfaceIndexTable;
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// windows 2000
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// todo(despair86): implement IPv6 detection using
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// the ipv6 preview stack/adv net pack from 1999/2001
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DWORD FAR PASCAL
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_GetAdaptersAddresses(
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ULONG Family,
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ULONG Flags,
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PVOID Reserved,
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PIP_ADAPTER_ADDRESSES pAdapterAddresses,
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PULONG pOutBufLen)
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{
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InterfaceIndexTable* indexTable;
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IFInfo ifInfo;
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int i;
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ULONG ret, requiredSize = 0;
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PIP_ADAPTER_ADDRESSES currentAddress;
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PUCHAR currentLocation;
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HANDLE tcpFile;
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(void)(Family);
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if (!pOutBufLen)
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return ERROR_INVALID_PARAMETER;
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if (Reserved)
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return ERROR_INVALID_PARAMETER;
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indexTable = getInterfaceIndexTable();
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if (!indexTable)
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return ERROR_NOT_ENOUGH_MEMORY;
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ret = openTcpFile(&tcpFile, FILE_READ_DATA);
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if (!NT_SUCCESS(ret))
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return ERROR_NO_DATA;
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for (i = indexTable->numIndexes; i >= 0; i--)
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{
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if (NT_SUCCESS(getIPAddrEntryForIf(tcpFile, NULL, indexTable->indexes[i], &ifInfo)))
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{
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/* The whole struct */
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requiredSize += sizeof(IP_ADAPTER_ADDRESSES);
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/* Friendly name */
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if (!(Flags & GAA_FLAG_SKIP_FRIENDLY_NAME))
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requiredSize += strlen((char*)ifInfo.if_info.ent.if_descr) + 1; // FIXME
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/* Adapter name */
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requiredSize += strlen((char*)ifInfo.if_info.ent.if_descr) + 1;
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/* Unicast address */
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if (!(Flags & GAA_FLAG_SKIP_UNICAST))
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requiredSize += sizeof(IP_ADAPTER_UNICAST_ADDRESS);
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/* FIXME: Implement multicast, anycast, and dns server stuff */
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/* FIXME: Implement dns suffix and description */
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requiredSize += 2 * sizeof(WCHAR);
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/* We're only going to implement what's required for XP SP0 */
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}
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}
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#ifdef DEBUG
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fprintf(stderr, "size: %ld, requiredSize: %ld\n", *pOutBufLen, requiredSize);
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#endif
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if (!pAdapterAddresses || *pOutBufLen < requiredSize)
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{
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*pOutBufLen = requiredSize;
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closeTcpFile(tcpFile);
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free(indexTable);
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return ERROR_BUFFER_OVERFLOW;
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}
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RtlZeroMemory(pAdapterAddresses, requiredSize);
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/* Let's set up the pointers */
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currentAddress = pAdapterAddresses;
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for (i = indexTable->numIndexes; i >= 0; i--)
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{
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if (NT_SUCCESS(getIPAddrEntryForIf(tcpFile, NULL, indexTable->indexes[i], &ifInfo)))
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{
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currentLocation = (PUCHAR)currentAddress + (ULONG_PTR)sizeof(IP_ADAPTER_ADDRESSES);
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/* FIXME: Friendly name */
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if (!(Flags & GAA_FLAG_SKIP_FRIENDLY_NAME))
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{
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currentAddress->FriendlyName = (PVOID)currentLocation;
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currentLocation += sizeof(WCHAR);
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}
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/* Adapter name */
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currentAddress->AdapterName = (PVOID)currentLocation;
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currentLocation += strlen((char*)ifInfo.if_info.ent.if_descr) + 1;
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/* Unicast address */
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if (!(Flags & GAA_FLAG_SKIP_UNICAST))
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{
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currentAddress->FirstUnicastAddress = (PVOID)currentLocation;
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currentLocation += sizeof(IP_ADAPTER_UNICAST_ADDRESS);
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currentAddress->FirstUnicastAddress->Address.lpSockaddr = (PVOID)currentLocation;
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currentLocation += sizeof(struct sockaddr);
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}
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/* FIXME: Implement multicast, anycast, and dns server stuff */
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/* FIXME: Implement dns suffix and description */
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currentAddress->DnsSuffix = (PVOID)currentLocation;
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currentLocation += sizeof(WCHAR);
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currentAddress->Description = (PVOID)currentLocation;
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currentLocation += sizeof(WCHAR);
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currentAddress->Next = (PVOID)currentLocation;
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/* Terminate the last address correctly */
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if (i == 0)
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currentAddress->Next = NULL;
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/* We're only going to implement what's required for XP SP0 */
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currentAddress = currentAddress->Next;
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}
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}
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/* Now again, for real this time */
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currentAddress = pAdapterAddresses;
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for (i = indexTable->numIndexes; i >= 0; i--)
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{
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if (NT_SUCCESS(getIPAddrEntryForIf(tcpFile, NULL, indexTable->indexes[i], &ifInfo)))
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{
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/* Make sure we're not looping more than we hoped for */
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assert(currentAddress);
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/* Alignment information */
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currentAddress->Length = sizeof(IP_ADAPTER_ADDRESSES);
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currentAddress->IfIndex = indexTable->indexes[i];
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/* Adapter name */
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strcpy(currentAddress->AdapterName, (char*)ifInfo.if_info.ent.if_descr);
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if (!(Flags & GAA_FLAG_SKIP_UNICAST))
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{
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currentAddress->FirstUnicastAddress->Length = sizeof(IP_ADAPTER_UNICAST_ADDRESS);
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currentAddress->FirstUnicastAddress->Flags = 0; // FIXME
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currentAddress->FirstUnicastAddress->Next =
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NULL; // FIXME: Support more than one address per adapter
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currentAddress->FirstUnicastAddress->Address.lpSockaddr->sa_family = AF_INET;
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memcpy(
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currentAddress->FirstUnicastAddress->Address.lpSockaddr->sa_data,
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&ifInfo.ip_addr.iae_addr,
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sizeof(ifInfo.ip_addr.iae_addr));
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currentAddress->FirstUnicastAddress->Address.iSockaddrLength =
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sizeof(ifInfo.ip_addr.iae_addr) + sizeof(USHORT);
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currentAddress->FirstUnicastAddress->PrefixOrigin = IpPrefixOriginOther; // FIXME
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currentAddress->FirstUnicastAddress->SuffixOrigin = IpSuffixOriginOther; // FIXME
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currentAddress->FirstUnicastAddress->DadState = IpDadStatePreferred; // FIXME
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currentAddress->FirstUnicastAddress->ValidLifetime = 0xFFFFFFFF; // FIXME
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currentAddress->FirstUnicastAddress->PreferredLifetime = 0xFFFFFFFF; // FIXME
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currentAddress->FirstUnicastAddress->LeaseLifetime = 0xFFFFFFFF; // FIXME
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}
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/* FIXME: Implement multicast, anycast, and dns server stuff */
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currentAddress->FirstAnycastAddress = NULL;
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currentAddress->FirstMulticastAddress = NULL;
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currentAddress->FirstDnsServerAddress = NULL;
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/* FIXME: Implement dns suffix, description, and friendly name */
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currentAddress->DnsSuffix[0] = UNICODE_NULL;
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currentAddress->Description[0] = UNICODE_NULL;
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currentAddress->FriendlyName[0] = UNICODE_NULL;
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/* Physical Address */
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memcpy(
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currentAddress->PhysicalAddress,
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ifInfo.if_info.ent.if_physaddr,
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ifInfo.if_info.ent.if_physaddrlen);
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currentAddress->PhysicalAddressLength = ifInfo.if_info.ent.if_physaddrlen;
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/* Flags */
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currentAddress->Flags = 0; // FIXME
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/* MTU */
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currentAddress->Mtu = ifInfo.if_info.ent.if_mtu;
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/* Interface type */
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currentAddress->IfType = ifInfo.if_info.ent.if_type;
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/* Operational status */
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if (ifInfo.if_info.ent.if_operstatus >= IF_OPER_STATUS_CONNECTING)
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currentAddress->OperStatus = IfOperStatusUp;
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else
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currentAddress->OperStatus = IfOperStatusDown;
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/* We're only going to implement what's required for XP SP0 */
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/* Move to the next address */
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currentAddress = currentAddress->Next;
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}
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}
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closeTcpFile(tcpFile);
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free(indexTable);
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return NO_ERROR;
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}
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#endif
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