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 printproto(pr,p,np)16printproto(pr, p, np) 17 struct protoent *pr; 18 int p; 19 ipnat_t *np; 20 { 21 if (np != NULL) { 22 if ((np->in_flags & IPN_TCPUDP) == IPN_TCPUDP) 23 PRINTF("tcp/udp"); 24 else if (np->in_flags & IPN_TCP) 25 PRINTF("tcp"); 26 else if (np->in_flags & IPN_UDP) 27 PRINTF("udp"); 28 else if (np->in_flags & IPN_ICMPQUERY) 29 PRINTF("icmp"); 30 #ifdef _AIX51 31 /* 32 * To make up for "ip = 252" and "hopopt = 0" in /etc/protocols 33 * The IANA has doubled up on the definition of 0 - it is now 34 * also used for IPv6 hop-opts, so we can no longer rely on 35 * /etc/protocols providing the correct name->number mapping. 36 */ 37 #endif 38 else if (np->in_pr[0] == 0) 39 PRINTF("ip"); 40 else if (pr != NULL) 41 PRINTF("%s", pr->p_name); 42 else 43 PRINTF("%d", np->in_pr[0]); 44 } else { 45 #ifdef _AIX51 46 if (p == 0) 47 PRINTF("ip"); 48 else 49 #endif 50 if (pr != NULL) 51 PRINTF("%s", pr->p_name); 52 else 53 PRINTF("%d", p); 54 } 55 } 56