diff options
Diffstat (limited to 'orkaudio/audiocaptureplugins/voip/VoIp.cpp')
| -rw-r--r-- | orkaudio/audiocaptureplugins/voip/VoIp.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/orkaudio/audiocaptureplugins/voip/VoIp.cpp b/orkaudio/audiocaptureplugins/voip/VoIp.cpp index 55a5443..2ee0b95 100644 --- a/orkaudio/audiocaptureplugins/voip/VoIp.cpp +++ b/orkaudio/audiocaptureplugins/voip/VoIp.cpp @@ -3046,7 +3046,17 @@ void HandlePacket(u_char *param, const struct pcap_pkthdr *header, const u_char } EthernetHeaderStruct* ethernetHeader = (EthernetHeaderStruct *)pkt_data; - IpHeaderStruct* ipHeader = (IpHeaderStruct*)((char*)ethernetHeader + sizeof(EthernetHeaderStruct)); + IpHeaderStruct* ipHeader = NULL; + + if(ntohs(ethernetHeader->type) == 0x8100) + { + ipHeader = (IpHeaderStruct*)((char*)ethernetHeader + sizeof(EthernetHeaderStruct) + 4); + } + else + { + ipHeader = (IpHeaderStruct*)((char*)ethernetHeader + sizeof(EthernetHeaderStruct)); + } + if(ipHeader->ip_v != 4) // sanity check, is it an IP packet v4 { // If not, the IP packet might have been captured from multiple interfaces using the tcpdump -i switch |