summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/winpcap/Examples-pcap/UDPdump/udpdump.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/winpcap/Examples-pcap/UDPdump/udpdump.c')
-rw-r--r--3rdparty/winpcap/Examples-pcap/UDPdump/udpdump.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/3rdparty/winpcap/Examples-pcap/UDPdump/udpdump.c b/3rdparty/winpcap/Examples-pcap/UDPdump/udpdump.c
deleted file mode 100644
index e627addd041..00000000000
--- a/3rdparty/winpcap/Examples-pcap/UDPdump/udpdump.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * Copyright (c) 1999 - 2005 NetGroup, Politecnico di Torino (Italy)
- * Copyright (c) 2005 - 2006 CACE Technologies, Davis (California)
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the Politecnico di Torino, CACE Technologies
- * nor the names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifdef _MSC_VER
-/*
- * we do not want the warnings about the old deprecated and unsecure CRT functions
- * since these examples can be compiled under *nix as well
- */
-#define _CRT_SECURE_NO_WARNINGS
-#endif
-
-#include "pcap.h"
-
-/* 4 bytes IP address */
-typedef struct ip_address
-{
- u_char byte1;
- u_char byte2;
- u_char byte3;
- u_char byte4;
-}ip_address;
-
-/* IPv4 header */
-typedef struct ip_header
-{
- u_char ver_ihl; // Version (4 bits) + Internet header length (4 bits)
- u_char tos; // Type of service
- u_short tlen; // Total length
- u_short identification; // Identification
- u_short flags_fo; // Flags (3 bits) + Fragment offset (13 bits)
- u_char ttl; // Time to live
- u_char proto; // Protocol
- u_short crc; // Header checksum
- ip_address saddr; // Source address
- ip_address daddr; // Destination address
- u_int op_pad; // Option + Padding
-}ip_header;
-
-/* UDP header*/
-typedef struct udp_header
-{
- u_short sport; // Source port
- u_short dport; // Destination port
- u_short len; // Datagram length
- u_short crc; // Checksum
-}udp_header;
-
-/* prototype of the packet handler */
-void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data);
-
-
-int main()
-{
- pcap_if_t *alldevs;
- pcap_if_t *d;
- int inum;
- int i=0;
- pcap_t *adhandle;
- char errbuf[PCAP_ERRBUF_SIZE];
- u_int netmask;
- char packet_filter[] = "ip and udp";
- struct bpf_program fcode;
-
- /* Retrieve the device list */
- if(pcap_findalldevs(&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("%d", &inum);
-
- /* Check if the user specified a valid adapter */
- if(inum < 1 || inum > i)
- {
- printf("\nAdapter 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 adapter */
- if ((adhandle= pcap_open_live(d->name, // name of the device
- 65536, // portion of the packet to capture.
- // 65536 grants that the whole packet will be captured on all the MACs.
- 1, // promiscuous mode (nonzero means promiscuous)
- 1000, // read timeout
- errbuf // error buffer
- )) == NULL)
- {
- fprintf(stderr,"\nUnable to open the adapter. %s is not supported by WinPcap\n");
- /* Free the device list */
- pcap_freealldevs(alldevs);
- return -1;
- }
-
- /* Check the link layer. We support only Ethernet for simplicity. */
- if(pcap_datalink(adhandle) != DLT_EN10MB)
- {
- fprintf(stderr,"\nThis program works only on Ethernet networks.\n");
- /* Free the device list */
- pcap_freealldevs(alldevs);
- return -1;
- }
-
- if(d->addresses != NULL)
- /* Retrieve the mask of the first address of the interface */
- netmask=((struct sockaddr_in *)(d->addresses->netmask))->sin_addr.S_un.S_addr;
- else
- /* If the interface is without addresses we suppose to be in a C class network */
- netmask=0xffffff;
-
-
- //compile the filter
- if (pcap_compile(adhandle, &fcode, packet_filter, 1, netmask) <0 )
- {
- fprintf(stderr,"\nUnable to compile the packet filter. Check the syntax.\n");
- /* Free the device list */
- pcap_freealldevs(alldevs);
- return -1;
- }
-
- //set the filter
- if (pcap_setfilter(adhandle, &fcode)<0)
- {
- fprintf(stderr,"\nError setting the filter.\n");
- /* 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);
-
- /* start the capture */
- pcap_loop(adhandle, 0, packet_handler, NULL);
-
- return 0;
-}
-
-/* Callback function invoked by libpcap for every incoming packet */
-void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data)
-{
- struct tm *ltime;
- char timestr[16];
- ip_header *ih;
- udp_header *uh;
- u_int ip_len;
- u_short sport,dport;
- time_t local_tv_sec;
-
- /*
- * unused parameter
- */
- (VOID)(param);
-
- /* convert the timestamp to readable format */
- local_tv_sec = header->ts.tv_sec;
- ltime=localtime(&local_tv_sec);
- strftime( timestr, sizeof timestr, "%H:%M:%S", ltime);
-
- /* print timestamp and length of the packet */
- printf("%s.%.6d len:%d ", timestr, header->ts.tv_usec, header->len);
-
- /* retireve the position of the ip header */
- ih = (ip_header *) (pkt_data +
- 14); //length of ethernet header
-
- /* retireve the position of the udp header */
- ip_len = (ih->ver_ihl & 0xf) * 4;
- uh = (udp_header *) ((u_char*)ih + ip_len);
-
- /* convert from network byte order to host byte order */
- sport = ntohs( uh->sport );
- dport = ntohs( uh->dport );
-
- /* print ip addresses and udp ports */
- printf("%d.%d.%d.%d.%d -> %d.%d.%d.%d.%d\n",
- ih->saddr.byte1,
- ih->saddr.byte2,
- ih->saddr.byte3,
- ih->saddr.byte4,
- sport,
- ih->daddr.byte1,
- ih->daddr.byte2,
- ih->daddr.byte3,
- ih->daddr.byte4,
- dport);
-}