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Fix parsing of packets when --with-pcap is enabled #254

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Fix parsing of packets when --with-pcap is enabled #254

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31 changes: 17 additions & 14 deletions input/parser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -682,26 +682,29 @@ void parse_packet(parser_opt_t *opt, ParserStats& stats, struct timeval ts, cons

uint32_t l3_hdr_offset = 0;
uint32_t l4_hdr_offset = 0;
try {
#ifdef WITH_PCAP
try
{
#ifdef WITH_PCAP
if (opt->datalink == DLT_EN10MB) {
data_offset = parse_eth_hdr(data, caplen, pkt);
} else if (opt->datalink == DLT_LINUX_SLL) {
data_offset = parse_sll(data, caplen, pkt);
# ifdef DLT_LINUX_SLL2
data_offset = parse_sll(data, caplen, pkt);
# ifdef DLT_LINUX_SLL2
} else if (opt->datalink == DLT_LINUX_SLL2) {
data_offset = parse_sll2(data, caplen, pkt);
# endif /* DLT_LINUX_SLL2 */
data_offset = parse_sll2(data, caplen, pkt);
# endif /* DLT_LINUX_SLL2 */
} else if (opt->datalink == DLT_RAW) {
if ((data[0] & 0xF0) == 0x40) {
pkt->ethertype = ETH_P_IP;
} else if ((data[0] & 0xF0) == 0x60) {
pkt->ethertype = ETH_P_IPV6;
}
if ((data[0] & 0xF0) == 0x40) {
pkt->ethertype = ETH_P_IP;
} else if ((data[0] & 0xF0) == 0x60) {
pkt->ethertype = ETH_P_IPV6;
}
} else {
#endif /* WITH_PCAP */
data_offset = parse_eth_hdr(data, caplen, pkt);
#ifdef WITH_PCAP
}
#else
data_offset = parse_eth_hdr(data, caplen, pkt);
#endif /* WITH_PCAP */
#endif /* WITH_PCAP */

if (pkt->ethertype == ETH_P_TRILL) {
data_offset += parse_trill(data + data_offset, caplen - data_offset, pkt);
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