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111 lines
4.1 KiB
111 lines
4.1 KiB
/**
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* (C) 2007-22 - ntop.org and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not see see <http://www.gnu.org/licenses/>
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*
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*/
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#ifdef WIN32
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#include "edge_utils_win32.h"
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/* ************************************** */
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static DWORD* tunReadThread (LPVOID lpArg) {
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struct tunread_arg *arg = (struct tunread_arg*)lpArg;
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while(*arg->eee->keep_running) {
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edge_read_from_tap(arg->eee);
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}
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return((DWORD*)NULL);
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}
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/* ************************************** */
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/** Start a second thread in Windows because TUNTAP interfaces do not expose
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* file descriptors. */
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HANDLE startTunReadThread (struct tunread_arg *arg) {
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DWORD dwThreadId;
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return(CreateThread(NULL, /* security attributes */
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0, /* use default stack size */
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(LPTHREAD_START_ROUTINE)tunReadThread, /* thread function */
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(void*)arg, /* argument to thread function */
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0, /* thread creation flags */
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&dwThreadId)); /* thread id out */
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}
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int get_best_interface_ip (n2n_edge_t * eee, dec_ip_str_t ip_addr){
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DWORD interface_index = -1;
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DWORD dwRetVal = 0;
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PIP_ADAPTER_INFO pAdapterInfo = NULL, pAdapter = NULL;
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macstr_t mac_buf;
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ULONG ulOutBufLen = sizeof(IP_ADAPTER_INFO);
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dwRetVal = GetBestInterface(*(IPAddr*)(&eee->curr_sn->sock.addr.v4), &interface_index);
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if(dwRetVal != NO_ERROR) return -1;
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pAdapterInfo = (PIP_ADAPTER_INFO)malloc(ulOutBufLen);
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if(pAdapterInfo == NULL) {
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traceEvent(TRACE_INFO, "Error allocating memory needed to call GetAdaptersInfo\n");
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return -1;
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}
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dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen);
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if(dwRetVal == ERROR_BUFFER_OVERFLOW) {
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pAdapterInfo = (PIP_ADAPTER_INFO)realloc(pAdapterInfo, ulOutBufLen);
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if(pAdapterInfo == NULL) {
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traceEvent(TRACE_INFO, "Error allocating memory needed to call GetAdaptersInfo\n");
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return -1;
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}
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}
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dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen);
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// hexdump((uint8_t*)pAdapterInfo, ulOutBufLen);
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if(dwRetVal == NO_ERROR) {
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for(pAdapter = pAdapterInfo; pAdapter != NULL; pAdapter = pAdapter->Next) {
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if(pAdapter->Index != interface_index) continue;
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traceEvent(TRACE_DEBUG, "Adapter Index: %ld\n", pAdapter->Index);
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traceEvent(TRACE_DEBUG, "Combo Index: %ld\n", pAdapter->ComboIndex);
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traceEvent(TRACE_DEBUG, "Adapter Name: %s\n", pAdapter->AdapterName);
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traceEvent(TRACE_DEBUG, "Adapter Desc: %s\n", pAdapter->Description);
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traceEvent(TRACE_DEBUG, "Adapter Type: %u\n", pAdapter->Type);
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macaddr_str(mac_buf, pAdapter->Address);
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traceEvent(TRACE_DEBUG, "Adapter Addr: %s\n", mac_buf);
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traceEvent(TRACE_DEBUG, "DHCP Enabled: %u\n", pAdapter->DhcpEnabled);
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traceEvent(TRACE_DEBUG, "DHCP Server: %s\n", pAdapter->DhcpServer.IpAddress.String);
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traceEvent(TRACE_DEBUG, "IP Address: %s\n", pAdapter->IpAddressList.IpAddress.String);
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traceEvent(TRACE_DEBUG, "IP Mask: %s\n", pAdapter->IpAddressList.IpMask.String);
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traceEvent(TRACE_DEBUG, "Gateway: %s\n", pAdapter->GatewayList.IpAddress.String);
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strncpy(ip_addr, pAdapter->IpAddressList.IpAddress.String, sizeof(dec_ip_str_t)-1);
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}
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} else {
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traceEvent(TRACE_WARNING, "GetAdaptersInfo failed with error: %d\n", dwRetVal);
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}
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if(pAdapterInfo != NULL) {
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free(pAdapterInfo);
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pAdapterInfo = NULL;
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}
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return 0;
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}
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#endif
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