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📄 Makefile(18.78 KB)
📄 addicmp.c(446 B)
📄 addipopt.c(1.14 KB)
📄 alist_free.c(334 B)
📄 alist_new.c(1.59 KB)
📄 allocmbt.c(383 B)
📄 assigndefined.c(452 B)
📄 bcopywrap.c(274 B)
📄 binprint.c(411 B)
📄 buildopts.c(823 B)
📄 checkrev.c(803 B)
📄 connecttcp.c(911 B)
📄 count4bits.c(621 B)
📄 count6bits.c(376 B)
📄 debug.c(556 B)
📄 dupmbt.c(482 B)
📄 facpri.c(2.62 KB)
📄 facpri.h(629 B)
📄 familyname.c(184 B)
📄 fill6bits.c(744 B)
📄 findword.c(413 B)
📄 flags.c(414 B)
📄 freembt.c(233 B)
📄 ftov.c(204 B)
📄 gethost.c(1.42 KB)
📄 geticmptype.c(452 B)
📄 getifname.c(957 B)
📄 getnattype.c(1.15 KB)
📄 getport.c(1.75 KB)
📄 getportproto.c(621 B)
📄 getproto.c(462 B)
📄 getsumd.c(344 B)
📄 hostname.c(1.2 KB)
📄 icmpcode.c(493 B)
📄 icmptypename.c(494 B)
📄 icmptypes.c(3.34 KB)
📄 inet_addr.c(6.1 KB)
📄 initparse.c(300 B)
📄 interror.c(26.29 KB)
📄 ionames.c(1.57 KB)
📄 ipf_dotuning.c(1.61 KB)
📄 ipf_perror.c(698 B)
📄 ipft_hx.c(3.13 KB)
📄 ipft_pc.c(4.41 KB)
📄 ipft_tx.c(10.09 KB)
📄 ipoptsec.c(1.15 KB)
📄 kmem.c(1.85 KB)
📄 kmem.h(504 B)
📄 kmemcpywrap.c(314 B)
📄 kvatoname.c(672 B)
📄 load_dstlist.c(1.65 KB)
📄 load_dstlistnode.c(1.47 KB)
📄 load_file.c(1.56 KB)
📄 load_hash.c(2.29 KB)
📄 load_hashnode.c(1.35 KB)
📄 load_http.c(4.02 KB)
📄 load_pool.c(1.59 KB)
📄 load_poolnode.c(1.4 KB)
📄 load_url.c(542 B)
📄 mb_hexdump.c(541 B)
📄 msgdsize.c(333 B)
📄 mutex_emul.c(2.66 KB)
📄 nametokva.c(645 B)
📄 nat_setgroupmap.c(756 B)
📄 ntomask.c(635 B)
📄 optname.c(1.13 KB)
📄 optprint.c(1.73 KB)
📄 optprintv6.c(894 B)
📄 optvalue.c(520 B)
📄 parsefields.c(984 B)
📄 parseipfexpr.c(6.19 KB)
📄 parsewhoisline.c(2.72 KB)
📄 poolio.c(704 B)
📄 portname.c(902 B)
📄 prependmbt.c(307 B)
📄 print_toif.c(882 B)
📄 printactiveaddr.c(643 B)
📄 printactivenat.c(4.18 KB)
📄 printaddr.c(1.16 KB)
📄 printaps.c(3.53 KB)
📄 printbuf.c(414 B)
📄 printdstl_live.c(1.72 KB)
📄 printdstlist.c(1.04 KB)
📄 printdstlistdata.c(974 B)
📄 printdstlistnode.c(1.73 KB)
📄 printdstlistpolicy.c(454 B)
📄 printfieldhdr.c(972 B)
📄 printfr.c(10.73 KB)
📄 printfraginfo.c(801 B)
📄 printhash.c(1.04 KB)
📄 printhash_live.c(1.4 KB)
📄 printhashdata.c(1.93 KB)
📄 printhashnode.c(2.32 KB)
📄 printhost.c(553 B)
📄 printhostmap.c(626 B)
📄 printhostmask.c(612 B)
📄 printifname.c(339 B)
📄 printip.c(690 B)
📄 printipfexpr.c(3.58 KB)
📄 printiphdr.c(462 B)
📄 printlog.c(650 B)
📄 printlookup.c(700 B)
📄 printmask.c(450 B)
📄 printnat.c(8.69 KB)
📄 printnataddr.c(992 B)
📄 printnatfield.c(3.2 KB)
📄 printnatside.c(2.51 KB)
📄 printpacket.c(2.06 KB)
📄 printpacket6.c(1.29 KB)
📄 printpool.c(1.2 KB)
📄 printpool_live.c(1.39 KB)
📄 printpooldata.c(1.08 KB)
📄 printpoolfield.c(3.42 KB)
📄 printpoolnode.c(1.66 KB)
📄 printportcmp.c(632 B)
📄 printproto.c(750 B)
📄 printsbuf.c(542 B)
📄 printstate.c(5.74 KB)
📄 printstatefields.c(5.24 KB)
📄 printtcpflags.c(451 B)
📄 printtqtable.c(430 B)
📄 printtunable.c(649 B)
📄 printunit.c(652 B)
📄 remove_hash.c(1 KB)
📄 remove_hashnode.c(1.11 KB)
📄 remove_pool.c(947 B)
📄 remove_poolnode.c(1.08 KB)
📄 resetlexer.c(331 B)
📄 rwlock_emul.c(3.47 KB)
📄 save_execute.c(1.14 KB)
📄 save_file.c(1.88 KB)
📄 save_nothing.c(821 B)
📄 save_syslog.c(2.2 KB)
📄 save_v1trap.c(7.93 KB)
📄 save_v2trap.c(7.98 KB)
📄 tcp_flags.c(770 B)
📄 tcpflags.c(594 B)
📄 tcpoptnames.c(513 B)
📄 v6ionames.c(636 B)
📄 v6optvalue.c(577 B)
📄 var.c(2.92 KB)
📄 verbose.c(511 B)
📄 vtof.c(204 B)

Editing: printnat.c

/*	$FreeBSD$	*/

/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * Added redirect stuff and a variety of bug fixes. (mcn@EnGarde.com)
 */

#include "ipf.h"
#include "kmem.h"

#if !defined(lint)
static const char rcsid[] = "@(#)$Id$";
#endif

/*
 * Print out a NAT rule
 */
void
printnat(np, opts)
	ipnat_t *np;
	int opts;
{
	struct protoent *pr;
	char *base;
	int family;
	int proto;

if (np->in_v[0] == 4)
		family = AF_INET;
#ifdef USE_INET6
	else if (np->in_v[0] == 6)
		family = AF_INET6;
#endif
	else
		family = AF_UNSPEC;

if (np->in_flags & IPN_NO)
		PRINTF("no ");

switch (np->in_redir)
	{
	case NAT_REDIRECT|NAT_ENCAP :
		PRINTF("encap in on");
		proto = np->in_pr[0];
		break;
	case NAT_MAP|NAT_ENCAP :
		PRINTF("encap out on");
		proto = np->in_pr[1];
		break;
	case NAT_REDIRECT|NAT_DIVERTUDP :
		PRINTF("divert in on");
		proto = np->in_pr[0];
		break;
	case NAT_MAP|NAT_DIVERTUDP :
		PRINTF("divert out on");
		proto = np->in_pr[1];
		break;
	case NAT_REDIRECT|NAT_REWRITE :
		PRINTF("rewrite in on");
		proto = np->in_pr[0];
		break;
	case NAT_MAP|NAT_REWRITE :
		PRINTF("rewrite out on");
		proto = np->in_pr[1];
		break;
	case NAT_REDIRECT :
		PRINTF("rdr");
		proto = np->in_pr[0];
		break;
	case NAT_MAP :
		PRINTF("map");
		proto = np->in_pr[1];
		break;
	case NAT_MAPBLK :
		PRINTF("map-block");
		proto = np->in_pr[1];
		break;
	case NAT_BIMAP :
		PRINTF("bimap");
		proto = np->in_pr[0];
		break;
	default :
		FPRINTF(stderr, "unknown value for in_redir: %#x\n",
			np->in_redir);
		proto = np->in_pr[0];
		break;
	}

pr = getprotobynumber(proto);

base = np->in_names;
	if (!strcmp(base + np->in_ifnames[0], "-"))
		PRINTF(" \"%s\"", base + np->in_ifnames[0]);
	else
		PRINTF(" %s", base + np->in_ifnames[0]);
	if ((np->in_ifnames[1] != -1) &&
	    (strcmp(base + np->in_ifnames[0], base + np->in_ifnames[1]) != 0)) {
		if (!strcmp(base + np->in_ifnames[1], "-"))
			PRINTF(",\"%s\"", base + np->in_ifnames[1]);
		else
			PRINTF(",%s", base + np->in_ifnames[1]);
	}
	putchar(' ');

if (family == AF_INET6)
		PRINTF("inet6 ");

if (np->in_redir & (NAT_REWRITE|NAT_ENCAP|NAT_DIVERTUDP)) {
		if ((proto != 0) || (np->in_flags & IPN_TCPUDP)) {
			PRINTF("proto ");
			printproto(pr, proto, np);
			putchar(' ');
		}
	}

if (np->in_flags & IPN_FILTER) {
		if (np->in_flags & IPN_NOTSRC)
			PRINTF("! ");
		PRINTF("from ");
		printnataddr(np->in_v[0], np->in_names, &np->in_osrc,
			     np->in_ifnames[0]);
		if (np->in_scmp)
			printportcmp(proto, &np->in_tuc.ftu_src);

if (np->in_flags & IPN_NOTDST)
			PRINTF(" !");
		PRINTF(" to ");
		printnataddr(np->in_v[0], np->in_names, &np->in_odst,
			     np->in_ifnames[0]);
		if (np->in_dcmp)
			printportcmp(proto, &np->in_tuc.ftu_dst);
	}

if (np->in_redir & (NAT_ENCAP|NAT_DIVERTUDP)) {
		PRINTF(" -> src ");
		printnataddr(np->in_v[1], np->in_names, &np->in_nsrc,
			     np->in_ifnames[0]);
		if ((np->in_redir & NAT_DIVERTUDP) != 0)
			PRINTF(",%u", np->in_spmin);
		PRINTF(" dst ");
		printnataddr(np->in_v[1], np->in_names, &np->in_ndst,
			     np->in_ifnames[0]);
		if ((np->in_redir & NAT_DIVERTUDP) != 0)
			PRINTF(",%u udp", np->in_dpmin);
		if ((np->in_flags & IPN_PURGE) != 0)
			PRINTF(" purge");
		PRINTF(";\n");

} else if (np->in_redir & NAT_REWRITE) {
		PRINTF(" -> src ");
		if (np->in_nsrc.na_atype == FRI_LOOKUP &&
		    np->in_nsrc.na_type == IPLT_DSTLIST) {
			PRINTF("dstlist/");
			if (np->in_nsrc.na_subtype == 0)
				PRINTF("%d", np->in_nsrc.na_num);
			else
				PRINTF("%s", base + np->in_nsrc.na_num);
		} else {
			printnataddr(np->in_v[1], np->in_names, &np->in_nsrc,
				     np->in_ifnames[0]);
		}
		if ((((np->in_flags & IPN_TCPUDP) != 0)) &&
		    (np->in_spmin != 0)) {
			if ((np->in_flags & IPN_FIXEDSPORT) != 0) {
				PRINTF(",port = %u", np->in_spmin);
			} else {
				PRINTF(",%u", np->in_spmin);
				if (np->in_spmax != np->in_spmin)
					PRINTF("-%u", np->in_spmax);
			}
		}
		PRINTF(" dst ");
		if (np->in_ndst.na_atype == FRI_LOOKUP &&
		    np->in_ndst.na_type == IPLT_DSTLIST) {
			PRINTF("dstlist/");
			if (np->in_ndst.na_subtype == 0)
				PRINTF("%d", np->in_nsrc.na_num);
			else
				PRINTF("%s", base + np->in_ndst.na_num);
		} else {
			printnataddr(np->in_v[1], np->in_names, &np->in_ndst,
				     np->in_ifnames[0]);
		}
		if ((((np->in_flags & IPN_TCPUDP) != 0)) &&
		    (np->in_dpmin != 0)) {
			if ((np->in_flags & IPN_FIXEDDPORT) != 0) {
				PRINTF(",port = %u", np->in_dpmin);
			} else {
				PRINTF(",%u", np->in_dpmin);
				if (np->in_dpmax != np->in_dpmin)
					PRINTF("-%u", np->in_dpmax);
			}
		}
		if ((np->in_flags & IPN_PURGE) != 0)
			PRINTF(" purge");
		PRINTF(";\n");

} else if (np->in_redir == NAT_REDIRECT) {
		if (!(np->in_flags & IPN_FILTER)) {
			printnataddr(np->in_v[0], np->in_names, &np->in_odst,
				     np->in_ifnames[0]);
			if (np->in_flags & IPN_TCPUDP) {
				PRINTF(" port %d", np->in_odport);
				if (np->in_odport != np->in_dtop)
					PRINTF("-%d", np->in_dtop);
			}
		}
		if (np->in_flags & IPN_NO) {
			putchar(' ');
			printproto(pr, proto, np);
			PRINTF(";\n");
			return;
		}
		PRINTF(" -> ");
		printnataddr(np->in_v[1], np->in_names, &np->in_ndst,
			     np->in_ifnames[0]);
		if (np->in_flags & IPN_TCPUDP) {
			if ((np->in_flags & IPN_FIXEDDPORT) != 0)
				PRINTF(" port = %d", np->in_dpmin);
			else {
				PRINTF(" port %d", np->in_dpmin);
				if (np->in_dpmin != np->in_dpmax)
					PRINTF("-%d", np->in_dpmax);
			}
		}
		putchar(' ');
		printproto(pr, proto, np);
		if (np->in_flags & IPN_ROUNDR)
			PRINTF(" round-robin");
		if (np->in_flags & IPN_FRAG)
			PRINTF(" frag");
		if (np->in_age[0] != 0 || np->in_age[1] != 0) {
			PRINTF(" age %d/%d", np->in_age[0], np->in_age[1]);
		}
		if (np->in_flags & IPN_STICKY)
			PRINTF(" sticky");
		if (np->in_mssclamp != 0)
			PRINTF(" mssclamp %d", np->in_mssclamp);
		if (np->in_plabel != -1)
			PRINTF(" proxy %s", np->in_names + np->in_plabel);
		if (np->in_tag.ipt_tag[0] != '\0')
			PRINTF(" tag %-.*s", IPFTAG_LEN, np->in_tag.ipt_tag);
		if ((np->in_flags & IPN_PURGE) != 0)
			PRINTF(" purge");
		PRINTF("\n");
		if (opts & OPT_DEBUG)
			PRINTF("\tpmax %u\n", np->in_dpmax);

} else {
		int protoprinted = 0;

if (!(np->in_flags & IPN_FILTER)) {
			printnataddr(np->in_v[0], np->in_names, &np->in_osrc,
				     np->in_ifnames[0]);
		}
		if (np->in_flags & IPN_NO) {
			putchar(' ');
			printproto(pr, proto, np);
			PRINTF(";\n");
			return;
		}
		PRINTF(" -> ");
		if (np->in_flags & IPN_SIPRANGE) {
			PRINTF("range ");
			printnataddr(np->in_v[1], np->in_names, &np->in_nsrc,
				     np->in_ifnames[0]);
		} else {
			printnataddr(np->in_v[1], np->in_names, &np->in_nsrc,
				     np->in_ifnames[0]);
		}
		if (np->in_plabel != -1) {
			PRINTF(" proxy port ");
			if (np->in_odport != 0) {
				char *s;

s = portname(proto, np->in_odport);
				if (s != NULL)
					fputs(s, stdout);
				else
					fputs("???", stdout);
			}
			PRINTF(" %s/", np->in_names + np->in_plabel);
			printproto(pr, proto, NULL);
			protoprinted = 1;
		} else if (np->in_redir == NAT_MAPBLK) {
			if ((np->in_spmin == 0) &&
			    (np->in_flags & IPN_AUTOPORTMAP))
				PRINTF(" ports auto");
			else
				PRINTF(" ports %d", np->in_spmin);
			if (opts & OPT_DEBUG)
				PRINTF("\n\tip modulous %d", np->in_spmax);

} else if (np->in_spmin || np->in_spmax) {
			if (np->in_flags & IPN_ICMPQUERY) {
				PRINTF(" icmpidmap ");
			} else {
				PRINTF(" portmap ");
			}
			printproto(pr, proto, np);
			protoprinted = 1;
			if (np->in_flags & IPN_AUTOPORTMAP) {
				PRINTF(" auto");
				if (opts & OPT_DEBUG)
					PRINTF(" [%d:%d %d %d]",
					       np->in_spmin, np->in_spmax,
					       np->in_ippip, np->in_ppip);
			} else {
				PRINTF(" %d:%d", np->in_spmin, np->in_spmax);
			}
			if (np->in_flags & IPN_SEQUENTIAL)
				PRINTF(" sequential");
		}

if (np->in_flags & IPN_FRAG)
			PRINTF(" frag");
		if (np->in_age[0] != 0 || np->in_age[1] != 0) {
			PRINTF(" age %d/%d", np->in_age[0], np->in_age[1]);
		}
		if (np->in_mssclamp != 0)
			PRINTF(" mssclamp %d", np->in_mssclamp);
		if (np->in_tag.ipt_tag[0] != '\0')
			PRINTF(" tag %s", np->in_tag.ipt_tag);
		if (!protoprinted && (np->in_flags & IPN_TCPUDP || proto)) {
			putchar(' ');
			printproto(pr, proto, np);
		}
		if ((np->in_flags & IPN_PURGE) != 0)
			PRINTF(" purge");
		PRINTF("\n");
		if (opts & OPT_DEBUG) {
			PRINTF("\tnextip ");
			printip(family, &np->in_snip);
			PRINTF(" pnext %d\n", np->in_spnext);
		}
	}

if (opts & OPT_DEBUG) {
		PRINTF("\tspace %lu use %u hits %lu flags %#x proto %d/%d",
			np->in_space, np->in_use, np->in_hits,
			np->in_flags, np->in_pr[0], np->in_pr[1]);
		PRINTF(" hv %u/%u\n", np->in_hv[0], np->in_hv[1]);
		PRINTF("\tifp[0] %p ifp[1] %p apr %p\n",
			np->in_ifps[0], np->in_ifps[1], np->in_apr);
		PRINTF("\ttqehead %p/%p comment %p\n",
			np->in_tqehead[0], np->in_tqehead[1], np->in_comment);
	}
}

003 File Manager

Editing: printnat.c

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