contrib/ipfilter/lib/printproto.c

   1 /*
   2  * Copyright (C) 2005 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: printproto.c,v 1.1.2.2 2006/06/16 17:21:14 darrenr Exp $";
  12 #endif
  13
  14
  15 void printproto(pr, p, np)
  16 struct protoent *pr;
  17 int p;
  18 ipnat_t *np;
  19 {
  20         if (np != NULL) {
  21                 if ((np->in_flags & IPN_TCPUDP) == IPN_TCPUDP)
  22                         printf("tcp/udp");
  23                 else if (np->in_flags & IPN_TCP)
  24                         printf("tcp");
  25                 else if (np->in_flags & IPN_UDP)
  26                         printf("udp");
  27                 else if (np->in_flags & IPN_ICMPQUERY)
  28                         printf("icmp");
  29 #ifdef _AIX51
  30                 /*
  31                  * To make up for "ip = 252" and "hopopt = 0" in /etc/protocols
  32                  */
  33                 else if (np->in_p == 0)
  34                         printf("ip");
  35 #endif
  36                 else if (pr != NULL)
  37                         printf("%s", pr->p_name);
  38                 else
  39                         printf("%d", np->in_p);
  40         } else {
  41 #ifdef _AIX51
  42                 if (p == 0)
  43                         printf("ip");
  44                 else
  45 #endif
  46                 if (pr != NULL)
  47                         printf("%s", pr->p_name);
  48                 else
  49                         printf("%d", p);
  50         }
  51 }