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Diffstat (limited to '3rdparty/winpcap/Examples-remote/misc/savedump.c')
-rw-r--r--3rdparty/winpcap/Examples-remote/misc/savedump.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/3rdparty/winpcap/Examples-remote/misc/savedump.c b/3rdparty/winpcap/Examples-remote/misc/savedump.c
new file mode 100644
index 00000000000..6316939bd63
--- /dev/null
+++ b/3rdparty/winpcap/Examples-remote/misc/savedump.c
@@ -0,0 +1,104 @@
+#include "pcap.h"
+
+/* prototype of the packet handler */
+void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data);
+
+int main(int argc, char **argv)
+{
+pcap_if_t *alldevs;
+pcap_if_t *d;
+int inum;
+int i=0;
+pcap_t *adhandle;
+char errbuf[PCAP_ERRBUF_SIZE];
+pcap_dumper_t *dumpfile;
+
+
+
+ /* Check command line */
+ if(argc != 2)
+ {
+ printf("usage: %s filename", argv[0]);
+ return -1;
+ }
+
+ /* 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;
+ }
+
+ /* Open the dump file */
+ dumpfile = pcap_dump_open(adhandle, argv[1]);
+
+ if(dumpfile==NULL)
+ {
+ fprintf(stderr,"\nError opening output file\n");
+ return -1;
+ }
+
+ printf("\nlistening on %s... Press Ctrl+C to stop...\n", d->description);
+
+ /* At this point, we no longer need the device list. Free it */
+ pcap_freealldevs(alldevs);
+
+ /* start the capture */
+ pcap_loop(adhandle, 0, packet_handler, (unsigned char *)dumpfile);
+
+ return 0;
+}
+
+/* Callback function invoked by libpcap for every incoming packet */
+void packet_handler(u_char *dumpfile, const struct pcap_pkthdr *header, const u_char *pkt_data)
+{
+ /* save the packet on the dump file */
+ pcap_dump(dumpfile, header, pkt_data);
+}