diff options
Diffstat (limited to 'contrib/tcpdump/print-ppi.c')
-rw-r--r-- | contrib/tcpdump/print-ppi.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/contrib/tcpdump/print-ppi.c b/contrib/tcpdump/print-ppi.c new file mode 100644 index 0000000..38873c8 --- /dev/null +++ b/contrib/tcpdump/print-ppi.c @@ -0,0 +1,104 @@ +/* + * Oracle + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <tcpdump-stdinc.h> + +#include <stdio.h> +#include <pcap.h> + +#include "netdissect.h" +#include "interface.h" +#include "extract.h" +#include "ppi.h" + +#ifdef DLT_PPI + +static inline void +ppi_header_print(struct netdissect_options *ndo, const u_char *bp, u_int length) +{ + const ppi_header_t *hdr; + u_int32_t dlt; + u_int16_t len; + + hdr = (const ppi_header_t *)bp; + + len = EXTRACT_16BITS(&hdr->ppi_len); + dlt = EXTRACT_32BITS(&hdr->ppi_dlt); + + if (!ndo->ndo_qflag) { + ND_PRINT((ndo,", V.%d DLT %s (%d) len %d", hdr->ppi_ver, + pcap_datalink_val_to_name(dlt), dlt, + len)); + } else { + ND_PRINT((ndo,", %s", pcap_datalink_val_to_name(dlt))); + } + + ND_PRINT((ndo, ", length %u: ", length)); +} + +static void +ppi_print(struct netdissect_options *ndo, + const struct pcap_pkthdr *h, const u_char *p) +{ + if_ndo_printer ndo_printer; + if_printer printer; + ppi_header_t *hdr; + u_int caplen = h->caplen; + u_int length = h->len; + u_int32_t dlt; + + if (caplen < sizeof(ppi_header_t)) { + ND_PRINT((ndo, "[|ppi]")); + return; + } + hdr = (ppi_header_t *)p; + dlt = EXTRACT_32BITS(&hdr->ppi_dlt); + + if (ndo->ndo_eflag) + ppi_header_print(ndo, p, length); + + length -= sizeof(ppi_header_t); + caplen -= sizeof(ppi_header_t); + p += sizeof(ppi_header_t); + + if ((printer = lookup_printer(dlt)) != NULL) { + printer(h, p); + } else if ((ndo_printer = lookup_ndo_printer(dlt)) != NULL) { + ndo_printer(ndo, h, p); + } else { + if (!ndo->ndo_eflag) + ppi_header_print(ndo, (u_char *)hdr, + length + sizeof(ppi_header_t)); + + if (!ndo->ndo_suppress_default_print) + ndo->ndo_default_print(ndo, p, caplen); + } +} + +/* + * This is the top level routine of the printer. 'p' points + * to the ether header of the packet, 'h->ts' is the timestamp, + * 'h->len' is the length of the packet off the wire, and 'h->caplen' + * is the number of bytes actually captured. + */ +u_int +ppi_if_print(struct netdissect_options *ndo, + const struct pcap_pkthdr *h, const u_char *p) +{ + ppi_print(ndo, h, p); + + return (sizeof(ppi_header_t)); +} + +/* + * Local Variables: + * c-style: whitesmith + * c-basic-offset: 8 + * End: + */ + +#endif /* DLT_PPI */ |