sbin/ipf/libipf/printproto.c

   1 /*
   2  * Copyright (C) 2012 by Darren Reed.
   3  *
   4  * See the IPFILTER.LICENCE file for details on licencing.
   5  */
   6
   7 #include "ipf.h"
   8
   9
  10 #if !defined(lint)
  11 static const char rcsid[] = "@(#)$Id$";
  12 #endif
  13
  14
  15 void
  16 printproto(struct protoent *pr, int p, ipnat_t *np)
  17 {
  18         if (np != NULL) {
  19                 if ((np->in_flags & IPN_TCPUDP) == IPN_TCPUDP)
  20                         PRINTF("tcp/udp");
  21                 else if (np->in_flags & IPN_TCP)
  22                         PRINTF("tcp");
  23                 else if (np->in_flags & IPN_UDP)
  24                         PRINTF("udp");
  25                 else if (np->in_flags & IPN_ICMPQUERY)
  26                         PRINTF("icmp");
  27                 else if (np->in_pr[0] == 0)
  28                         PRINTF("ip");
  29                 else if (pr != NULL)
  30                         PRINTF("%s", pr->p_name);
  31                 else
  32                         PRINTF("%d", np->in_pr[0]);
  33         } else {
  34                 if (pr != NULL)
  35                         PRINTF("%s", pr->p_name);
  36                 else
  37                         PRINTF("%d", p);
  38         }
  39 }