1 /* \summary: Solaris DLT_IPNET printer */ 2 3 #ifdef HAVE_CONFIG_H 4 #include "config.h" 5 #endif 6 7 #include <netdissect-stdinc.h> 8 9 #include "netdissect.h" 10 11 typedef struct ipnet_hdr { 12 uint8_t iph_version; 13 uint8_t iph_family; 14 uint16_t iph_htype; 15 uint32_t iph_pktlen; 16 uint32_t iph_ifindex; 17 uint32_t iph_grifindex; 18 uint32_t iph_zsrc; 19 uint32_t iph_zdst; 20 } ipnet_hdr_t; 21 22 #define IPH_AF_INET 2 /* Matches Solaris's AF_INET */ 23 #define IPH_AF_INET6 26 /* Matches Solaris's AF_INET6 */ 24 25 #ifdef DLT_IPNET 26 27 static const struct tok ipnet_values[] = { 28 { IPH_AF_INET, "IPv4" }, 29 { IPH_AF_INET6, "IPv6" }, 30 { 0, NULL } 31 }; 32 33 static inline void 34 ipnet_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length) 35 { 36 const ipnet_hdr_t *hdr; 37 hdr = (const ipnet_hdr_t *)bp; 38 39 ND_PRINT((ndo, "%d > %d", hdr->iph_zsrc, hdr->iph_zdst)); 40 41 if (!ndo->ndo_qflag) { 42 ND_PRINT((ndo,", family %s (%d)", 43 tok2str(ipnet_values, "Unknown", 44 hdr->iph_family), 45 hdr->iph_family)); 46 } else { 47 ND_PRINT((ndo,", %s", 48 tok2str(ipnet_values, 49 "Unknown Ethertype (0x%04x)", 50 hdr->iph_family))); 51 } 52 53 ND_PRINT((ndo, ", length %u: ", length)); 54 } 55 56 static void 57 ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen) 58 { 59 const ipnet_hdr_t *hdr; 60 61 if (caplen < sizeof(ipnet_hdr_t)) { 62 ND_PRINT((ndo, "[|ipnet]")); 63 return; 64 } 65 66 if (ndo->ndo_eflag) 67 ipnet_hdr_print(ndo, p, length); 68 69 length -= sizeof(ipnet_hdr_t); 70 caplen -= sizeof(ipnet_hdr_t); 71 hdr = (const ipnet_hdr_t *)p; 72 p += sizeof(ipnet_hdr_t); 73 74 switch (hdr->iph_family) { 75 76 case IPH_AF_INET: 77 ip_print(ndo, p, length); 78 break; 79 80 case IPH_AF_INET6: 81 ip6_print(ndo, p, length); 82 break; 83 84 default: 85 if (!ndo->ndo_eflag) 86 ipnet_hdr_print(ndo, (const u_char *)hdr, 87 length + sizeof(ipnet_hdr_t)); 88 89 if (!ndo->ndo_suppress_default_print) 90 ND_DEFAULTPRINT(p, caplen); 91 break; 92 } 93 } 94 95 /* 96 * This is the top level routine of the printer. 'p' points 97 * to the ether header of the packet, 'h->ts' is the timestamp, 98 * 'h->len' is the length of the packet off the wire, and 'h->caplen' 99 * is the number of bytes actually captured. 100 */ 101 u_int 102 ipnet_if_print(netdissect_options *ndo, 103 const struct pcap_pkthdr *h, const u_char *p) 104 { 105 ipnet_print(ndo, p, h->len, h->caplen); 106 107 return (sizeof(ipnet_hdr_t)); 108 } 109 110 /* 111 * Local Variables: 112 * c-style: whitesmith 113 * c-basic-offset: 8 114 * End: 115 */ 116 117 #endif /* DLT_IPNET */ 118
