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/*
This file is part of Kismet
Kismet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Kismet is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Kismet; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "wtapdump.h"
#include <errno.h>
#if (defined(HAVE_LIBWIRETAP) && !defined(USE_LOCAL_DUMP))
int WtapDumpFile::OpenDump(const char *file) {
snprintf(type, 64, "wiretap (ethereal libwiretap) dump");
snprintf(filename, 1024, "%s", file);
num_dumped = 0;
beacon_log = 1;
dump_file = wtap_dump_open(file, WTAP_FILE_PCAP, WTAP_ENCAP_IEEE_802_11,
2344, &wtap_error);
if (!dump_file) {
snprintf(errstr, 1024, "Unable to open wtap dump file: %s (%s)", filename,
strerror(errno));
return -1;
}
return 1;
}
int WtapDumpFile::CloseDump() {
wtap_dump_close(dump_file, &wtap_error);
return num_dumped;
}
int WtapDumpFile::DumpPacket(const packet_info *in_info, const kis_packet *packet) {
if ((in_info->type == packet_management && in_info->subtype == packet_sub_beacon) && beacon_log == 0) {
map<mac_addr, string>::iterator blm = beacon_logged_map.find(in_info->bssid_mac);
if (blm == beacon_logged_map.end()) {
beacon_logged_map[in_info->bssid_mac] = in_info->ssid;
} else if (blm->second == in_info->ssid) {
return 0;
}
}
if (in_info->type == packet_phy && phy_log == 0)
return 0;
kis_packet *dump_packet;
// Mangle decrypted and fuzzy packets into legit packets
if (MangleDeCryptPacket(packet, in_info, &mangle_packet,
mangle_data, mangle_moddata) > 0)
dump_packet = &mangle_packet;
else if (MangleFuzzyCryptPacket(packet, in_info, &mangle_packet,
mangle_data, mangle_moddata) > 0)
dump_packet = &mangle_packet;
else
dump_packet = (kis_packet *) packet;
Common2Wtap(dump_packet);
wtap_dump(dump_file, &packet_header, NULL, packet_data, &wtap_error);
num_dumped++;
return 1;
}
int WtapDumpFile::Common2Wtap(const kis_packet *packet) {
memset(&packet_header, 0, sizeof(wtap_pkthdr));
memset(packet_data, 0, MAX_PACKET_LEN);
packet_header.len = packet->caplen;
packet_header.caplen = packet->caplen;
packet_header.ts = packet->ts;
packet_header.pkt_encap = WTAP_ENCAP_IEEE_802_11;
memcpy(packet_data, packet->data, packet->caplen);
return(packet->caplen);
}
#endif
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