diff options
Diffstat (limited to '3rdparty/winpcap/Examples-remote/misc/basic_dump_ex.c')
-rw-r--r-- | 3rdparty/winpcap/Examples-remote/misc/basic_dump_ex.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/3rdparty/winpcap/Examples-remote/misc/basic_dump_ex.c b/3rdparty/winpcap/Examples-remote/misc/basic_dump_ex.c new file mode 100644 index 00000000000..ec047b3b28b --- /dev/null +++ b/3rdparty/winpcap/Examples-remote/misc/basic_dump_ex.c @@ -0,0 +1,99 @@ +#include "pcap.h" + + +int main() +{ +pcap_if_t *alldevs; +pcap_if_t *d; +int inum; +int i=0; +pcap_t *adhandle; +int res; +char errbuf[PCAP_ERRBUF_SIZE]; +struct tm ltime; +char timestr[16]; +struct pcap_pkthdr *header; +const u_char *pkt_data; +time_t local_tv_sec; + + + /* Retrieve the device list on the local machine */ + if (pcap_findalldevs_ex(PCAP_SRC_IF_STRING, NULL, &alldevs, errbuf) == -1) + { + fprintf(stderr,"Error in pcap_findalldevs: %s\n", errbuf); + exit(1); + } + + /* Print the list */ + for(d=alldevs; d; d=d->next) + { + printf("%d. %s", ++i, d->name); + if (d->description) + printf(" (%s)\n", d->description); + else + printf(" (No description available)\n"); + } + + if(i==0) + { + printf("\nNo interfaces found! Make sure WinPcap is installed.\n"); + return -1; + } + + printf("Enter the interface number (1-%d):",i); + scanf_s("%d", &inum); + + if(inum < 1 || inum > i) + { + printf("\nInterface number out of range.\n"); + /* Free the device list */ + pcap_freealldevs(alldevs); + return -1; + } + + /* Jump to the selected adapter */ + for(d=alldevs, i=0; i< inum-1 ;d=d->next, i++); + + /* Open the device */ + if ( (adhandle= pcap_open(d->name, // name of the device + 65536, // portion of the packet to capture. + // 65536 guarantees that the whole packet will be captured on all the link layers + PCAP_OPENFLAG_PROMISCUOUS, // promiscuous mode + 1000, // read timeout + NULL, // authentication on the remote machine + errbuf // error buffer + ) ) == NULL) + { + fprintf(stderr,"\nUnable to open the adapter. %s is not supported by WinPcap\n", d->name); + /* Free the device list */ + pcap_freealldevs(alldevs); + return -1; + } + + printf("\nlistening on %s...\n", d->description); + + /* At this point, we don't need any more the device list. Free it */ + pcap_freealldevs(alldevs); + + /* Retrieve the packets */ + while((res = pcap_next_ex( adhandle, &header, &pkt_data)) >= 0){ + + if(res == 0) + /* Timeout elapsed */ + continue; + + /* convert the timestamp to readable format */ + local_tv_sec = header->ts.tv_sec; + localtime_s(<ime, &local_tv_sec); + strftime( timestr, sizeof timestr, "%H:%M:%S", <ime); + + printf("%s,%.6d len:%d\n", timestr, header->ts.tv_usec, header->len); + } + + if(res == -1){ + printf("Error reading the packets: %s\n", pcap_geterr(adhandle)); + return -1; + } + + return 0; +}
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