The Tcpdump Group git mirrors - tcpdump/blob - print-nflog.c

   1 #ifdef HAVE_CONFIG_H
   2 #include "config.h"
   3 #endif
   4
   5 #include <tcpdump-stdinc.h>
   6
   7 #include <stdio.h>
   8 #include <pcap.h>
   9
  10 #include "netdissect.h"
  11 #include "interface.h"
  12
  13 #ifdef DLT_NFLOG
  14
  15 static void
  16 nflog_print(struct netdissect_options *ndo, const u_char *p, u_int length, u_int caplen _U_)
  17 {
  18         ip_print(ndo, p, length);
  19         return;
  20 }
  21
  22 u_int
  23 nflog_if_print(struct netdissect_options *ndo,
  24                const struct pcap_pkthdr *h, const u_char *p)
  25 {
  26         if (h->len < 104 || h->caplen < 104) {
  27                 ND_PRINT((ndo, "[!nflog]"));
  28                 return h->caplen;
  29         }
  30
  31         nflog_print(ndo, p + 104, h->len - 104, h->caplen - 104);
  32
  33         return 104;
  34 }
  35
  36 #endif /* DLT_NFLOG */