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 #define ND_LONGJMP_FROM_TCHECK 10 #include "netdissect.h" 11 #include "extract.h" 12 13 14 typedef struct ipnet_hdr { 15 nd_uint8_t iph_version; 16 nd_uint8_t iph_family; 17 nd_uint16_t iph_htype; 18 nd_uint32_t iph_pktlen; 19 nd_uint32_t iph_ifindex; 20 nd_uint32_t iph_grifindex; 21 nd_uint32_t iph_zsrc; 22 nd_uint32_t iph_zdst; 23 } ipnet_hdr_t; 24 25 #define IPH_AF_INET 2 /* Matches Solaris's AF_INET */ 26 #define IPH_AF_INET6 26 /* Matches Solaris's AF_INET6 */ 27 28 #ifdef DLT_IPNET 29 30 static const struct tok ipnet_values[] = { 31 { IPH_AF_INET, "IPv4" }, 32 { IPH_AF_INET6, "IPv6" }, 33 { 0, NULL } 34 }; 35 36 static void 37 ipnet_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length) 38 { 39 const ipnet_hdr_t *hdr; 40 hdr = (const ipnet_hdr_t *)bp; 41 42 ND_PRINT("%u > %u", GET_BE_U_4(hdr->iph_zsrc), 43 GET_BE_U_4(hdr->iph_zdst)); 44 45 if (!ndo->ndo_qflag) { 46 ND_PRINT(", family %s (%u)", 47 tok2str(ipnet_values, "Unknown", 48 GET_U_1(hdr->iph_family)), 49 GET_U_1(hdr->iph_family)); 50 } else { 51 ND_PRINT(", %s", 52 tok2str(ipnet_values, 53 "Unknown Ethertype (0x%04x)", 54 GET_U_1(hdr->iph_family))); 55 } 56 57 ND_PRINT(", length %u: ", length); 58 } 59 60 static void 61 ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen) 62 { 63 const ipnet_hdr_t *hdr; 64 65 ND_TCHECK_LEN(p, sizeof(ipnet_hdr_t)); 66 ndo->ndo_ll_hdr_len += sizeof(ipnet_hdr_t); 67 68 if (ndo->ndo_eflag) 69 ipnet_hdr_print(ndo, p, length); 70 71 length -= sizeof(ipnet_hdr_t); 72 caplen -= sizeof(ipnet_hdr_t); 73 hdr = (const ipnet_hdr_t *)p; 74 p += sizeof(ipnet_hdr_t); 75 76 switch (GET_U_1(hdr->iph_family)) { 77 78 case IPH_AF_INET: 79 ip_print(ndo, p, length); 80 break; 81 82 case IPH_AF_INET6: 83 ip6_print(ndo, p, length); 84 break; 85 86 default: 87 if (!ndo->ndo_eflag) 88 ipnet_hdr_print(ndo, (const u_char *)hdr, 89 length + sizeof(ipnet_hdr_t)); 90 91 if (!ndo->ndo_suppress_default_print) 92 ND_DEFAULTPRINT(p, caplen); 93 break; 94 } 95 } 96 97 /* 98 * This is the top level routine of the printer. 'p' points 99 * to the ether header of the packet, 'h->ts' is the timestamp, 100 * 'h->len' is the length of the packet off the wire, and 'h->caplen' 101 * is the number of bytes actually captured. 102 */ 103 void 104 ipnet_if_print(netdissect_options *ndo, 105 const struct pcap_pkthdr *h, const u_char *p) 106 { 107 ndo->ndo_protocol = "ipnet"; 108 ipnet_print(ndo, p, h->len, h->caplen); 109 } 110 #endif /* DLT_IPNET */ 111