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https://github.com/ep00ch/lwip-contrib-mac.git
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261 lines
7.7 KiB
C
261 lines
7.7 KiB
C
/*
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* Copyright (c) 2001,2002 Florian Schulze.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the authors nor the names of the contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* pktif.c - This file is part of lwIPtest
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*
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****************************************************************************
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*
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* This file is derived from an example in lwIP with the following license:
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*
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* Copyright (c) 2001, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#define WIN32_LEAN_AND_MEAN
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/* get the windows definitions of the following 4 functions out of the way */
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#include <stdlib.h>
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#include <stdio.h>
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#include <windows.h>
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#include <packet32.h>
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#include <ntddndis.h>
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LPADAPTER lpAdapter;
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LPPACKET lpPacket;
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char buffer[256000]; // buffer to hold the data coming from the driver
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unsigned char *cur_packet;
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int cur_length;
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unsigned char ethaddr[6];
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/*-----------------------------------------------------------------------------------*/
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int init_adapter(int adapter_num, char* mac_addr)
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{
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#define Max_Num_Adapter 10
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void *AdapterList[Max_Num_Adapter];
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int i;
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DWORD dwVersion;
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DWORD dwWindowsMajorVersion;
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//unicode strings (winnt)
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char AdapterName[8192]; // string that contains a list of the network adapters
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char *temp,*temp1;
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//ascii strings (win95)
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char AdapterNamea[8192]; // string that contains a list of the network adapters
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char *tempa,*temp1a;
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int AdapterNum=0;
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ULONG AdapterLength;
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PPACKET_OID_DATA ppacket_oid_data;
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// obtain the name of the adapters installed on this machine
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AdapterLength=4096;
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memset(AdapterList,0,sizeof(AdapterList));
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memset(AdapterName,0,sizeof(AdapterName));
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memset(AdapterNamea,0,sizeof(AdapterNamea));
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i=0;
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// the data returned by PacketGetAdapterNames is different in Win95 and in WinNT.
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// We have to check the os on which we are running
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dwVersion=GetVersion();
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dwWindowsMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion)));
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if (!(dwVersion >= 0x80000000 && dwWindowsMajorVersion >= 4))
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{ // Windows NT
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if (PacketGetAdapterNames((char *)AdapterName,&AdapterLength)==FALSE){
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printf("Unable to retrieve the list of the adapters!\n");
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return -1;
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}
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temp=AdapterName;
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temp1=AdapterName;
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while ((*temp!='\0')||(*(temp-1)!='\0'))
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{
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if (*temp=='\0')
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{
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AdapterList[i] = temp1;
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temp1=temp+1;
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i++;
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}
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temp++;
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}
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AdapterNum=i;
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for (i=0; i<AdapterNum; i++)
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printf("%2i: %s\n", i, AdapterList[i]);
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}
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else //windows 95
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{
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if (PacketGetAdapterNames(AdapterNamea,&AdapterLength)==FALSE){
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printf("Unable to retrieve the list of the adapters!\n");
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return -1;
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}
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tempa=AdapterNamea;
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temp1a=AdapterNamea;
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while ((*tempa!='\0')||(*(tempa-1)!='\0'))
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{
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if (*tempa=='\0')
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{
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AdapterList[i] = temp1a;
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temp1a=tempa+1;
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i++;
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}
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tempa++;
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}
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AdapterNum=i;
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AdapterNum=i;
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for (i=0; i<AdapterNum; i++)
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printf("%2i: %s", i, AdapterList[i]);
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}
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if (AdapterNum<=0)
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return -1;
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if (adapter_num < 0)
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return -1;
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if (adapter_num >= AdapterNum)
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return -1;
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ppacket_oid_data=malloc(sizeof(PACKET_OID_DATA)+6);
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lpAdapter=PacketOpenAdapter(AdapterList[adapter_num]);
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if (!lpAdapter || (lpAdapter->hFile == INVALID_HANDLE_VALUE))
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return -1;
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ppacket_oid_data->Oid=OID_802_3_PERMANENT_ADDRESS;
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ppacket_oid_data->Length=6;
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if (!PacketRequest(lpAdapter,FALSE,ppacket_oid_data))
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return -1;
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memcpy(ðaddr,ppacket_oid_data->Data,6);
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free(ppacket_oid_data);
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memcpy(mac_addr, ethaddr, 6);
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printf("MAC: %02X:%02X:%02X:%02X:%02X:%02X\n", ethaddr[0], ethaddr[1], ethaddr[2], ethaddr[3], ethaddr[4], ethaddr[5]);
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PacketSetBuff(lpAdapter,512000);
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PacketSetReadTimeout(lpAdapter,1);
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PacketSetHwFilter(lpAdapter,NDIS_PACKET_TYPE_ALL_LOCAL);
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if ((lpPacket = PacketAllocatePacket())==NULL){
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return (-1);
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}
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PacketInitPacket(lpPacket,(char*)buffer,256000);
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return 0;
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}
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void shutdown_adapter(void)
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{
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PacketFreePacket(lpPacket);
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PacketCloseAdapter(lpAdapter);
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}
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int packet_send(void *buffer, int len)
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{
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LPPACKET lpPacket;
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if ((lpPacket = PacketAllocatePacket())==NULL)
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return -1;
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PacketInitPacket(lpPacket,buffer,len);
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if (!PacketSendPacket(lpAdapter,lpPacket,TRUE))
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return -1;
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PacketFreePacket(lpPacket);
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return 0;
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}
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extern void process_input(void);
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static void ProcessPackets(LPPACKET lpPacket)
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{
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ULONG ulLines, ulBytesReceived;
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char *base;
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char *buf;
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u_int off=0;
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u_int tlen,tlen1;
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struct bpf_hdr *hdr;
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ulBytesReceived = lpPacket->ulBytesReceived;
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buf = lpPacket->Buffer;
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off=0;
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while (off<ulBytesReceived)
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{
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//if (kbhit())return;
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hdr=(struct bpf_hdr *)(buf+off);
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tlen1=hdr->bh_datalen;
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cur_length=tlen1;
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tlen=hdr->bh_caplen;
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off+=hdr->bh_hdrlen;
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ulLines = (tlen + 15) / 16;
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if (ulLines > 5) ulLines=5;
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base =(char*)(buf+off);
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cur_packet=base;
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off=Packet_WORDALIGN(off+tlen);
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process_input();
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}
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}
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void update_adapter(void)
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{
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if (PacketReceivePacket(lpAdapter,lpPacket,TRUE)==TRUE)
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ProcessPackets(lpPacket);
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cur_length=0;
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cur_packet=NULL;
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}
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