5 /* \summary: Oracle DLT_PPI printer */
11 #include <netdissect-stdinc.h>
13 #include "netdissect.h"
16 typedef struct ppi_header {
28 ppi_header_print(netdissect_options *ndo, const u_char *bp, u_int length)
30 const ppi_header_t *hdr;
35 hdr = (const ppi_header_t *)bp;
37 len = EXTRACT_LE_16BITS(&hdr->ppi_len);
38 dlt = EXTRACT_LE_32BITS(&hdr->ppi_dlt);
39 dltname = pcap_datalink_val_to_name(dlt);
41 if (!ndo->ndo_qflag) {
42 ND_PRINT((ndo, "V.%d DLT %s (%d) len %d", hdr->ppi_ver,
43 (dltname != NULL ? dltname : "UNKNOWN"), dlt,
46 ND_PRINT((ndo, "%s", (dltname != NULL ? dltname : "UNKNOWN")));
49 ND_PRINT((ndo, ", length %u: ", length));
53 ppi_print(netdissect_options *ndo,
54 const struct pcap_pkthdr *h, const u_char *p)
57 const ppi_header_t *hdr;
58 u_int caplen = h->caplen;
59 u_int length = h->len;
63 struct pcap_pkthdr nhdr;
65 if (caplen < sizeof(ppi_header_t)) {
66 ND_PRINT((ndo, "[|ppi]"));
70 hdr = (const ppi_header_t *)p;
71 ND_TCHECK_16BITS(&hdr->ppi_len);
72 len = EXTRACT_LE_16BITS(&hdr->ppi_len);
75 * If we don't have the entire PPI header, don't
78 ND_PRINT((ndo, "[|ppi]"));
81 if (len < sizeof(ppi_header_t)) {
82 ND_PRINT((ndo, "[|ppi]"));
85 ND_TCHECK_32BITS(&hdr->ppi_dlt);
86 dlt = EXTRACT_LE_32BITS(&hdr->ppi_dlt);
89 ppi_header_print(ndo, p, length);
95 if ((printer = lookup_printer(dlt)) != NULL) {
99 hdrlen = printer(ndo, &nhdr, p);
102 ppi_header_print(ndo, (const u_char *)hdr, length + len);
104 if (!ndo->ndo_suppress_default_print)
105 ND_DEFAULTPRINT(p, caplen);
108 return (len + hdrlen);
114 * This is the top level routine of the printer. 'p' points
115 * to the ether header of the packet, 'h->ts' is the timestamp,
116 * 'h->len' is the length of the packet off the wire, and 'h->caplen'
117 * is the number of bytes actually captured.
120 ppi_if_print(netdissect_options *ndo,
121 const struct pcap_pkthdr *h, const u_char *p)
123 return (ppi_print(ndo, h, p));
128 * c-style: whitesmith