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
ipnet_hdr_print(netdissect_options * ndo,const u_char * bp,u_int length)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
ipnet_print(netdissect_options * ndo,const u_char * p,u_int length,u_int caplen)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
ipnet_if_print(netdissect_options * ndo,const struct pcap_pkthdr * h,const u_char * p)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