153f17a9db278d33517d9888dd77848f554522a38JP Abgrall#ifdef HAVE_CONFIG_H 253f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include "config.h" 353f17a9db278d33517d9888dd77848f554522a38JP Abgrall#endif 453f17a9db278d33517d9888dd77848f554522a38JP Abgrall 553f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include <tcpdump-stdinc.h> 653f17a9db278d33517d9888dd77848f554522a38JP Abgrall 753f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include <stdio.h> 853f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include <pcap.h> 953f17a9db278d33517d9888dd77848f554522a38JP Abgrall 1053f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include "netdissect.h" 1153f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include "interface.h" 1253f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include "addrtoname.h" 1353f17a9db278d33517d9888dd77848f554522a38JP Abgrall#include "ipnet.h" 1453f17a9db278d33517d9888dd77848f554522a38JP Abgrall 1553f17a9db278d33517d9888dd77848f554522a38JP Abgrall#ifdef DLT_IPNET 1653f17a9db278d33517d9888dd77848f554522a38JP Abgrall 1753f17a9db278d33517d9888dd77848f554522a38JP Abgrallstatic const struct tok ipnet_values[] = { 1853f17a9db278d33517d9888dd77848f554522a38JP Abgrall { IPH_AF_INET, "IPv4" }, 1953f17a9db278d33517d9888dd77848f554522a38JP Abgrall { IPH_AF_INET6, "IPv6" }, 2053f17a9db278d33517d9888dd77848f554522a38JP Abgrall { 0, NULL } 2153f17a9db278d33517d9888dd77848f554522a38JP Abgrall}; 2253f17a9db278d33517d9888dd77848f554522a38JP Abgrall 2353f17a9db278d33517d9888dd77848f554522a38JP Abgrallstatic inline void 2453f17a9db278d33517d9888dd77848f554522a38JP Abgrallipnet_hdr_print(struct netdissect_options *ndo, const u_char *bp, u_int length) 2553f17a9db278d33517d9888dd77848f554522a38JP Abgrall{ 2653f17a9db278d33517d9888dd77848f554522a38JP Abgrall const ipnet_hdr_t *hdr; 2753f17a9db278d33517d9888dd77848f554522a38JP Abgrall hdr = (const ipnet_hdr_t *)bp; 2853f17a9db278d33517d9888dd77848f554522a38JP Abgrall 2953f17a9db278d33517d9888dd77848f554522a38JP Abgrall ND_PRINT((ndo, "%d > %d", hdr->iph_zsrc, hdr->iph_zdst)); 3053f17a9db278d33517d9888dd77848f554522a38JP Abgrall 3153f17a9db278d33517d9888dd77848f554522a38JP Abgrall if (!ndo->ndo_qflag) { 3253f17a9db278d33517d9888dd77848f554522a38JP Abgrall ND_PRINT((ndo,", family %s (%d)", 3353f17a9db278d33517d9888dd77848f554522a38JP Abgrall tok2str(ipnet_values, "Unknown", 3453f17a9db278d33517d9888dd77848f554522a38JP Abgrall hdr->iph_family), 3553f17a9db278d33517d9888dd77848f554522a38JP Abgrall hdr->iph_family)); 3653f17a9db278d33517d9888dd77848f554522a38JP Abgrall } else { 3753f17a9db278d33517d9888dd77848f554522a38JP Abgrall ND_PRINT((ndo,", %s", 3853f17a9db278d33517d9888dd77848f554522a38JP Abgrall tok2str(ipnet_values, 3953f17a9db278d33517d9888dd77848f554522a38JP Abgrall "Unknown Ethertype (0x%04x)", 4053f17a9db278d33517d9888dd77848f554522a38JP Abgrall hdr->iph_family))); 4153f17a9db278d33517d9888dd77848f554522a38JP Abgrall } 4253f17a9db278d33517d9888dd77848f554522a38JP Abgrall 4353f17a9db278d33517d9888dd77848f554522a38JP Abgrall ND_PRINT((ndo, ", length %u: ", length)); 4453f17a9db278d33517d9888dd77848f554522a38JP Abgrall} 4553f17a9db278d33517d9888dd77848f554522a38JP Abgrall 4653f17a9db278d33517d9888dd77848f554522a38JP Abgrallstatic void 4753f17a9db278d33517d9888dd77848f554522a38JP Abgrallipnet_print(struct netdissect_options *ndo, const u_char *p, u_int length, u_int caplen) 4853f17a9db278d33517d9888dd77848f554522a38JP Abgrall{ 4953f17a9db278d33517d9888dd77848f554522a38JP Abgrall ipnet_hdr_t *hdr; 5053f17a9db278d33517d9888dd77848f554522a38JP Abgrall 5153f17a9db278d33517d9888dd77848f554522a38JP Abgrall if (caplen < sizeof(ipnet_hdr_t)) { 5253f17a9db278d33517d9888dd77848f554522a38JP Abgrall ND_PRINT((ndo, "[|ipnet]")); 5353f17a9db278d33517d9888dd77848f554522a38JP Abgrall return; 5453f17a9db278d33517d9888dd77848f554522a38JP Abgrall } 5553f17a9db278d33517d9888dd77848f554522a38JP Abgrall 5653f17a9db278d33517d9888dd77848f554522a38JP Abgrall if (ndo->ndo_eflag) 5753f17a9db278d33517d9888dd77848f554522a38JP Abgrall ipnet_hdr_print(ndo, p, length); 5853f17a9db278d33517d9888dd77848f554522a38JP Abgrall 5953f17a9db278d33517d9888dd77848f554522a38JP Abgrall length -= sizeof(ipnet_hdr_t); 6053f17a9db278d33517d9888dd77848f554522a38JP Abgrall caplen -= sizeof(ipnet_hdr_t); 6153f17a9db278d33517d9888dd77848f554522a38JP Abgrall hdr = (ipnet_hdr_t *)p; 6253f17a9db278d33517d9888dd77848f554522a38JP Abgrall p += sizeof(ipnet_hdr_t); 6353f17a9db278d33517d9888dd77848f554522a38JP Abgrall 6453f17a9db278d33517d9888dd77848f554522a38JP Abgrall switch (hdr->iph_family) { 6553f17a9db278d33517d9888dd77848f554522a38JP Abgrall 6653f17a9db278d33517d9888dd77848f554522a38JP Abgrall case IPH_AF_INET: 6753f17a9db278d33517d9888dd77848f554522a38JP Abgrall ip_print(ndo, p, length); 6853f17a9db278d33517d9888dd77848f554522a38JP Abgrall break; 6953f17a9db278d33517d9888dd77848f554522a38JP Abgrall 7053f17a9db278d33517d9888dd77848f554522a38JP Abgrall#ifdef INET6 7153f17a9db278d33517d9888dd77848f554522a38JP Abgrall case IPH_AF_INET6: 7253f17a9db278d33517d9888dd77848f554522a38JP Abgrall ip6_print(ndo, p, length); 7353f17a9db278d33517d9888dd77848f554522a38JP Abgrall break; 7453f17a9db278d33517d9888dd77848f554522a38JP Abgrall#endif /*INET6*/ 7553f17a9db278d33517d9888dd77848f554522a38JP Abgrall 7653f17a9db278d33517d9888dd77848f554522a38JP Abgrall default: 7753f17a9db278d33517d9888dd77848f554522a38JP Abgrall if (!ndo->ndo_eflag) 7853f17a9db278d33517d9888dd77848f554522a38JP Abgrall ipnet_hdr_print(ndo, (u_char *)hdr, 7953f17a9db278d33517d9888dd77848f554522a38JP Abgrall length + sizeof(ipnet_hdr_t)); 8053f17a9db278d33517d9888dd77848f554522a38JP Abgrall 8153f17a9db278d33517d9888dd77848f554522a38JP Abgrall if (!ndo->ndo_suppress_default_print) 8253f17a9db278d33517d9888dd77848f554522a38JP Abgrall ndo->ndo_default_print(ndo, p, caplen); 8353f17a9db278d33517d9888dd77848f554522a38JP Abgrall break; 8453f17a9db278d33517d9888dd77848f554522a38JP Abgrall } 8553f17a9db278d33517d9888dd77848f554522a38JP Abgrall} 8653f17a9db278d33517d9888dd77848f554522a38JP Abgrall 8753f17a9db278d33517d9888dd77848f554522a38JP Abgrall/* 8853f17a9db278d33517d9888dd77848f554522a38JP Abgrall * This is the top level routine of the printer. 'p' points 8953f17a9db278d33517d9888dd77848f554522a38JP Abgrall * to the ether header of the packet, 'h->ts' is the timestamp, 9053f17a9db278d33517d9888dd77848f554522a38JP Abgrall * 'h->len' is the length of the packet off the wire, and 'h->caplen' 9153f17a9db278d33517d9888dd77848f554522a38JP Abgrall * is the number of bytes actually captured. 9253f17a9db278d33517d9888dd77848f554522a38JP Abgrall */ 9353f17a9db278d33517d9888dd77848f554522a38JP Abgrallu_int 9453f17a9db278d33517d9888dd77848f554522a38JP Abgrallipnet_if_print(struct netdissect_options *ndo, 9553f17a9db278d33517d9888dd77848f554522a38JP Abgrall const struct pcap_pkthdr *h, const u_char *p) 9653f17a9db278d33517d9888dd77848f554522a38JP Abgrall{ 9753f17a9db278d33517d9888dd77848f554522a38JP Abgrall ipnet_print(ndo, p, h->len, h->caplen); 9853f17a9db278d33517d9888dd77848f554522a38JP Abgrall 9953f17a9db278d33517d9888dd77848f554522a38JP Abgrall return (sizeof(ipnet_hdr_t)); 10053f17a9db278d33517d9888dd77848f554522a38JP Abgrall} 10153f17a9db278d33517d9888dd77848f554522a38JP Abgrall 10253f17a9db278d33517d9888dd77848f554522a38JP Abgrall/* 10353f17a9db278d33517d9888dd77848f554522a38JP Abgrall * Local Variables: 10453f17a9db278d33517d9888dd77848f554522a38JP Abgrall * c-style: whitesmith 10553f17a9db278d33517d9888dd77848f554522a38JP Abgrall * c-basic-offset: 8 10653f17a9db278d33517d9888dd77848f554522a38JP Abgrall * End: 10753f17a9db278d33517d9888dd77848f554522a38JP Abgrall */ 10853f17a9db278d33517d9888dd77848f554522a38JP Abgrall 10953f17a9db278d33517d9888dd77848f554522a38JP Abgrall#endif /* DLT_IPNET */ 110