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Здравствуйте, ув. форумчане!  Пытаюсь подружить С++ Билдер с Wpcap'ом. Не получается. Выдает ошибки при компиляции. Конвертировал wpcap.lib и packet.lib, с помощью coff2omf.exe, закинул в Include\. Вот исходник: Код | #include "pcap/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);
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("%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;
/* 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); }
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Результат компиляции: Код | [C++ Error] pcap-bpf.h(68): E2257 , expected [C++ Error] pcap-bpf.h(106): E2139 Declaration missing ; [C++ Error] pcap-bpf.h(107): E2238 Multiple declaration for 'u_short' [C++ Error] pcap-bpf.h(106): E2344 Earlier declaration of 'u_short' [C++ Error] pcap-bpf.h(107): E2139 Declaration missing ; [C++ Error] pcap-bpf.h(707): E2139 Declaration missing ; [C++ Error] pcap-bpf.h(708): E2139 Declaration missing ; [C++ Error] pcap-bpf.h(709): E2238 Multiple declaration for 'u_char' [C++ Error] pcap-bpf.h(708): E2344 Earlier declaration of 'u_char' [C++ Error] pcap-bpf.h(709): E2139 Declaration missing ; [C++ Error] pcap.h(123): E2139 Declaration missing ; [C++ Error] pcap.h(124): E2139 Declaration missing ; [C++ Error] pcap.h(125): E2238 Multiple declaration for 'u_short' [C++ Error] pcap.h(124): E2344 Earlier declaration of 'u_short' [C++ Error] pcap.h(125): E2139 Declaration missing ; [C++ Error] pcap.h(127): E2238 Multiple declaration for 'bpf_u_int32' [C++ Error] pcap.h(123): E2344 Earlier declaration of 'bpf_u_int32' [C++ Error] pcap.h(127): E2139 Declaration missing ; [C++ Error] pcap.h(128): E2238 Multiple declaration for 'bpf_u_int32' [C++ Error] pcap.h(123): E2344 Earlier declaration of 'bpf_u_int32' [C++ Error] pcap.h(128): E2139 Declaration missing ; [C++ Error] pcap.h(129): E2238 Multiple declaration for 'bpf_u_int32' [C++ Error] pcap.h(123): E2344 Earlier declaration of 'bpf_u_int32' [C++ Error] pcap.h(129): E2139 Declaration missing ; [C++ Error] pcap.h(151): E2450 Undefined structure 'timeval' [C++ Error] pcap.h(151): E2228 Too many error or warning messages
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Подскажите, пожалуйста, в чем проблема?
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