mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-05-14 02:49:45 +08:00
8440506ee8
- Update the file builder generator to handle generator specific cflags and includes. The tcpdump and libpcap have localised headers and need specific headers paths to see them. There are also module specific flags and these need to be passed to the lex and yacc generators. - Add the tcpdump support.
107 lines
2.2 KiB
C
107 lines
2.2 KiB
C
#include <machine/rtems-bsd-user-space.h>
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/*
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* Oracle
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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#include <stdio.h>
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#include <pcap.h>
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#include "netdissect.h"
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#include "interface.h"
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#include "extract.h"
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#include "ppi.h"
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#ifdef DLT_PPI
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static inline void
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ppi_header_print(struct netdissect_options *ndo, const u_char *bp, u_int length)
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{
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const ppi_header_t *hdr;
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u_int32_t dlt;
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u_int16_t len;
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hdr = (const ppi_header_t *)bp;
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len = EXTRACT_16BITS(&hdr->ppi_len);
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dlt = EXTRACT_32BITS(&hdr->ppi_dlt);
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if (!ndo->ndo_qflag) {
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ND_PRINT((ndo,", V.%d DLT %s (%d) len %d", hdr->ppi_ver,
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pcap_datalink_val_to_name(dlt), dlt,
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len));
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} else {
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ND_PRINT((ndo,", %s", pcap_datalink_val_to_name(dlt)));
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}
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ND_PRINT((ndo, ", length %u: ", length));
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}
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static void
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ppi_print(struct netdissect_options *ndo,
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const struct pcap_pkthdr *h, const u_char *p)
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{
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if_ndo_printer ndo_printer;
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if_printer printer;
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ppi_header_t *hdr;
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u_int caplen = h->caplen;
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u_int length = h->len;
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u_int32_t dlt;
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if (caplen < sizeof(ppi_header_t)) {
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ND_PRINT((ndo, "[|ppi]"));
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return;
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}
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hdr = (ppi_header_t *)p;
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dlt = EXTRACT_32BITS(&hdr->ppi_dlt);
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if (ndo->ndo_eflag)
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ppi_header_print(ndo, p, length);
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length -= sizeof(ppi_header_t);
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caplen -= sizeof(ppi_header_t);
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p += sizeof(ppi_header_t);
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if ((printer = lookup_printer(dlt)) != NULL) {
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printer(h, p);
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} else if ((ndo_printer = lookup_ndo_printer(dlt)) != NULL) {
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ndo_printer(ndo, h, p);
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} else {
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if (!ndo->ndo_eflag)
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ppi_header_print(ndo, (u_char *)hdr,
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length + sizeof(ppi_header_t));
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if (!ndo->ndo_suppress_default_print)
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ndo->ndo_default_print(ndo, p, caplen);
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}
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}
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/*
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* This is the top level routine of the printer. 'p' points
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* to the ether header of the packet, 'h->ts' is the timestamp,
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* 'h->len' is the length of the packet off the wire, and 'h->caplen'
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* is the number of bytes actually captured.
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*/
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u_int
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ppi_if_print(struct netdissect_options *ndo,
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const struct pcap_pkthdr *h, const u_char *p)
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{
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ppi_print(ndo, h, p);
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return (sizeof(ppi_header_t));
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}
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/*
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* Local Variables:
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* c-style: whitesmith
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* c-basic-offset: 8
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* End:
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*/
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#endif /* DLT_PPI */
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