diff options
Diffstat (limited to '3rdparty/winpcap/Examples-remote/UDPdump/udpdump.c')
-rw-r--r-- | 3rdparty/winpcap/Examples-remote/UDPdump/udpdump.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/3rdparty/winpcap/Examples-remote/UDPdump/udpdump.c b/3rdparty/winpcap/Examples-remote/UDPdump/udpdump.c deleted file mode 100644 index f6479ead891..00000000000 --- a/3rdparty/winpcap/Examples-remote/UDPdump/udpdump.c +++ /dev/null @@ -1,230 +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. - * - */ - -#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_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 adapter */ - if ( (adhandle= pcap_open(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. - PCAP_OPENFLAG_PROMISCUOUS, // promiscuous mode - 1000, // read timeout - NULL, // remote authentication - 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 variable - */ - (VOID)(param); - - /* 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); - - /* 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); -}
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