1/* 2 * Oracle 3 */ 4#ifdef HAVE_CONFIG_H 5#include "config.h" 6#endif 7 8#include <tcpdump-stdinc.h> 9 10#include <stdio.h> 11#include <pcap.h> 12 13#include "netdissect.h" 14#include "interface.h" 15#include "extract.h" 16#include "ppi.h" 17 18#ifdef DLT_PPI 19 20static inline void 21ppi_header_print(struct netdissect_options *ndo, const u_char *bp, u_int length) 22{ 23 const ppi_header_t *hdr; 24 u_int32_t dlt; 25 u_int16_t len; 26 27 hdr = (const ppi_header_t *)bp; 28 29 len = EXTRACT_16BITS(&hdr->ppi_len); 30 dlt = EXTRACT_32BITS(&hdr->ppi_dlt); 31 32 if (!ndo->ndo_qflag) { 33 ND_PRINT((ndo,", V.%d DLT %s (%d) len %d", hdr->ppi_ver, 34 pcap_datalink_val_to_name(dlt), dlt, 35 len)); 36 } else { 37 ND_PRINT((ndo,", %s", pcap_datalink_val_to_name(dlt))); 38 } 39 40 ND_PRINT((ndo, ", length %u: ", length)); 41} 42 43static void 44ppi_print(struct netdissect_options *ndo, 45 const struct pcap_pkthdr *h, const u_char *p) 46{ 47 if_ndo_printer ndo_printer; 48 if_printer printer; 49 ppi_header_t *hdr; 50 u_int caplen = h->caplen; 51 u_int length = h->len; 52 u_int32_t dlt; 53 54 if (caplen < sizeof(ppi_header_t)) { 55 ND_PRINT((ndo, "[|ppi]")); 56 return; 57 } 58 hdr = (ppi_header_t *)p; 59 dlt = EXTRACT_32BITS(&hdr->ppi_dlt); 60 61 if (ndo->ndo_eflag) 62 ppi_header_print(ndo, p, length); 63 64 length -= sizeof(ppi_header_t); 65 caplen -= sizeof(ppi_header_t); 66 p += sizeof(ppi_header_t); 67 68 if ((printer = lookup_printer(dlt)) != NULL) { 69 printer(h, p); 70 } else if ((ndo_printer = lookup_ndo_printer(dlt)) != NULL) { 71 ndo_printer(ndo, h, p); 72 } else { 73 if (!ndo->ndo_eflag) 74 ppi_header_print(ndo, (u_char *)hdr, 75 length + sizeof(ppi_header_t)); 76 77 if (!ndo->ndo_suppress_default_print) 78 ndo->ndo_default_print(ndo, p, caplen); 79 } 80} 81 82/* 83 * This is the top level routine of the printer. 'p' points 84 * to the ether header of the packet, 'h->ts' is the timestamp, 85 * 'h->len' is the length of the packet off the wire, and 'h->caplen' 86 * is the number of bytes actually captured. 87 */ 88u_int 89ppi_if_print(struct netdissect_options *ndo, 90 const struct pcap_pkthdr *h, const u_char *p) 91{ 92 ppi_print(ndo, h, p); 93 94 return (sizeof(ppi_header_t)); 95} 96 97/* 98 * Local Variables: 99 * c-style: whitesmith 100 * c-basic-offset: 8 101 * End: 102 */ 103 104#endif /* DLT_PPI */ 105