mirror of
https://github.com/ntop/ntopng.git
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64 lines
2 KiB
C++
64 lines
2 KiB
C++
/*
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*
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* (C) 2013-26 - ntop.org
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*
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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, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _NETWORK_DISCOVERY_H_
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#define _NETWORK_DISCOVERY_H_
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#include "ntop_includes.h"
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/* ******************************* */
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class NetworkDiscovery {
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private:
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int udp_sock;
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NetworkInterface* iface;
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pcap_t* pd;
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lua_State* mdns_vm;
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Mutex m;
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struct bpf_program fcode;
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bool debug_mode;
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u_int32_t wrapsum(u_int32_t sum);
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u_int16_t in_cksum(u_int8_t* buf, u_int16_t buf_len, u_int32_t sum);
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u_int16_t buildMDNSDiscoveryDatagram(const char* query, u_int32_t sender_ip,
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u_int8_t* sender_mac, char* datagram,
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u_int datagram_len);
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void dissectMDNS(u_char* buf, u_int buf_len, char* out, u_int out_len);
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inline void setMDNSvm(lua_State* vm) {
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m.lock(__FILE__, __LINE__);
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mdns_vm = vm;
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m.unlock(__FILE__, __LINE__);
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}
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void discoverDHCP(u_char* mac);
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public:
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NetworkDiscovery(NetworkInterface* _iface);
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~NetworkDiscovery();
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void discover(lua_State* vm, u_int timeout);
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void arpScan(lua_State* vm);
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void queueMDNSResponse(u_int32_t src_ip_nw_byte_order, u_char* buf,
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u_int buf_len);
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void sendArpNetwork(void* data, u_int32_t netp, u_int32_t maskp,
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u_int32_t sender_ip);
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};
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#endif /* _NETWORK_DISCOVERY_H_ */
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