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