JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 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 | |
| 20 | static inline void |
| 21 | ppi_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 | |
| 43 | static void |
| 44 | ppi_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 | */ |
| 88 | u_int |
| 89 | ppi_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 */ |