1 files changed, 0 insertions, 412 deletions
diff --git a/contrib/fwd/src/fwd_xtables.c b/contrib/fwd/src/fwd_xtables.c
deleted file mode 100644
index 895715d92..000000000
--- a/contrib/fwd/src/fwd_xtables.c
+++ /dev/null
@@ -1,412 +0,0 @@
-/*
- * fwd - OpenWrt firewall daemon - libiptc/libxtables interface
- *
- *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
- *
- * The fwd program is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * The fwd program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with the fwd program. If not, see http://www.gnu.org/licenses/.
- */
-
-
-#include "fwd.h"
-#include "fwd_xtables.h"
-#include "fwd_utils.h"
-
-
-/* Required by certain extensions like SNAT and DNAT */
-int kernel_version;
-
-extern void
-get_kernel_version(void) {
-	static struct utsname uts;
-	int x = 0, y = 0, z = 0;
-
-	if (uname(&uts) == -1) {
-		fprintf(stderr, "Unable to retrieve kernel version.\n");
-		xtables_free_opts(1);
-		exit(1);
-	}
-
-	sscanf(uts.release, "%d.%d.%d", &x, &y, &z);
-	kernel_version = LINUX_VERSION(x, y, z);
-}
-
-
-static void xt_exit_error(enum xtables_exittype status, const char *msg, ...)
-{
-	va_list ap;
-	va_start(ap, msg);
-	vprintf(msg, ap);
-	va_end(ap);	
-	exit(1);
-}
-
-void fwd_xt_init(void)
-{
-	struct xtables_globals xt_globals = {
-		.option_offset = 0,
-		.program_version = IPTABLES_VERSION,
-		.opts = 0,
-		.orig_opts = 0,
-		.exit_err = (void *)&xt_exit_error,
-	};
-
-	xtables_init();
-	xtables_set_nfproto(NFPROTO_IPV4);
-	xtables_set_params(&xt_globals);
-}
-
-
-struct fwd_xt_rule * fwd_xt_init_rule(struct iptc_handle *h)
-{
-	struct fwd_xt_rule *r;
-
-	if( (r = fwd_alloc_ptr(struct fwd_xt_rule)) != NULL )
-	{
-		if( (r->entry = fwd_alloc_ptr(struct ipt_entry)) != NULL )
-		{
-			r->iptc = h;
-			return r;
-		}
-	}
-
-	fwd_free_ptr(r);
-	return NULL;
-}
-
-void fwd_xt_parse_frag(
-	struct fwd_xt_rule *r, int frag, int inv
-) {
-	if( frag )
-	{
-		r->entry->ip.flags |= IPT_F_FRAG;
-
-		if( inv )
-			r->entry->ip.invflags |= IPT_INV_FRAG;
-	}
-}
-
-void fwd_xt_parse_proto(
-	struct fwd_xt_rule *r, struct fwd_proto *p, int inv
-) {
-	if( p != NULL )
-	{
-		switch(p->type)
-		{
-			case FWD_PR_TCP:
-				r->entry->ip.proto = 6;
-				break;
-
-			case FWD_PR_UDP:
-				r->entry->ip.proto = 17;
-				break;
-
-			case FWD_PR_ICMP:
-				r->entry->ip.proto = 1;
-				break;
-
-			case FWD_PR_CUSTOM:
-				r->entry->ip.proto = p->proto;
-				break;
-
-			case FWD_PR_ALL:
-			case FWD_PR_TCPUDP:
-				r->entry->ip.proto = 0;
-				break;
-		}
-
-		if( inv )
-			r->entry->ip.invflags |= IPT_INV_PROTO;
-	}
-}
-
-void fwd_xt_parse_in(
-	struct fwd_xt_rule *r, struct fwd_network *n, int inv
-) {
-	if( n != NULL )
-	{
-		strncpy(r->entry->ip.iniface, n->ifname, IFNAMSIZ);
-
-		if( inv )
-			r->entry->ip.invflags |= IPT_INV_VIA_IN;
-	}
-}
-
-void fwd_xt_parse_out(
-	struct fwd_xt_rule *r, struct fwd_network *n, int inv
-) {
-	if( n != NULL )
-	{
-		strncpy(r->entry->ip.outiface, n->ifname, IFNAMSIZ);
-
-		if( inv )
-			r->entry->ip.invflags |= IPT_INV_VIA_OUT;
-	}
-}
-
-void fwd_xt_parse_src(
-	struct fwd_xt_rule *r, struct fwd_cidr *c, int inv
-) {
-	if( c != NULL )
-	{
-		r->entry->ip.src.s_addr  = c->addr.s_addr;
-		r->entry->ip.smsk.s_addr = htonl(~((1 << (32 - c->prefix)) - 1));
-
-		if( inv )
-			r->entry->ip.invflags |= IPT_INV_SRCIP;
-	}
-}
-
-void fwd_xt_parse_dest(
-	struct fwd_xt_rule *r, struct fwd_cidr *c, int inv
-) {
-	if( c != NULL )
-	{
-		r->entry->ip.dst.s_addr  = c->addr.s_addr;
-		r->entry->ip.dmsk.s_addr = htonl(~((1 << (32 - c->prefix)) - 1));
-
-		if( inv )
-			r->entry->ip.invflags |= IPT_INV_DSTIP;
-	}
-}
-
-
-struct xtables_match * fwd_xt_get_match(
-	struct fwd_xt_rule *r, const char *name
-) {
-	struct xtables_match *m = xtables_find_match(name, XTF_TRY_LOAD, &r->matches);
-	size_t s;
-
-	if( m != NULL )
-	{
-		s = IPT_ALIGN(sizeof(struct ipt_entry_match)) + m->size;
-
-		if(	(m->m = malloc(s)) != NULL )
-		{
-			memset(m->m, 0, s);
-			strcpy(m->m->u.user.name, m->name);
-			m->m->u.match_size = s;
-
-			if( m->init )
-				m->init(m->m);
-
-			return m;
-		}
-	}
-
-	return NULL;
-}
-
-void __fwd_xt_parse_match(
-	struct fwd_xt_rule *r, struct xtables_match *m, ...
-) {
-	char optc;
-	char *s, **opts;
-	size_t len = 1;
-	int inv = 0;
-
-	va_list ap;
-	va_start(ap, m);
-
-	opts = malloc(len * sizeof(*opts));
-	opts[0] = "x";
-
-	while( (s = (char *)va_arg(ap, char *)) != NULL )
-	{
-		opts = realloc(opts, ++len * sizeof(*opts));
-		opts[len-1] = s;
-	}
-
-	va_end(ap);
-
-	if( len > 1 )
-	{
-		optind = 0;
-
-		while( (optc = getopt_long(len, opts, "", m->extra_opts, NULL)) > -1 )
-		{
-			if( (optc == '?') && (optarg[0] == '!') && (optarg[1] == '\0') )
-			{
-				inv = 1;
-				continue;
-			}
-
-			m->parse(optc, opts, inv, &m->mflags, r->entry, &m->m);
-			inv = 0;
-		}
-	}
-
-	free(opts);
-}
-
-
-struct xtables_target * fwd_xt_get_target(
-	struct fwd_xt_rule *r, const char *name
-) {
-	struct xtables_target *t = xtables_find_target(name, XTF_TRY_LOAD);
-	size_t s;
-
-	if( !t )
-		t = xtables_find_target(IPT_STANDARD_TARGET, XTF_LOAD_MUST_SUCCEED);
-
-	if( t != NULL )
-	{
-		s = IPT_ALIGN(sizeof(struct ipt_entry_target)) + t->size;
-
-		if(	(t->t = malloc(s)) != NULL )
-		{
-			memset(t->t, 0, s);
-			strcpy(t->t->u.user.name, name);
-			t->t->u.target_size = s;
-			xtables_set_revision(t->t->u.user.name, t->revision);
-
-			if( t->init )
-				t->init(t->t);
-
-			r->target = t;
-
-			return t;
-		}
-	}
-
-	return NULL;
-}
-
-void __fwd_xt_parse_target(
-	struct fwd_xt_rule *r, struct xtables_target *t, ...
-) {
-	char optc;
-	char *s, **opts;
-	size_t len = 1;
-	int inv = 0;
-
-	va_list ap;
-	va_start(ap, t);
-
-	opts = malloc(len * sizeof(*opts));
-	opts[0] = "x";
-
-	while( (s = (char *)va_arg(ap, char *)) != NULL )
-	{
-		opts = realloc(opts, ++len * sizeof(*opts));
-		opts[len-1] = s;
-	}
-
-	va_end(ap);
-
-	if( len > 1 )
-	{
-		optind = 0;
-
-		while( (optc = getopt_long(len, opts, "", t->extra_opts, NULL)) > -1 )
-		{
-			if( (optc == '?') && (optarg[0] == '!') && (optarg[1] == '\0') )
-			{
-				inv = 1;
-				continue;
-			}
-
-			t->parse(optc, opts, inv, &t->tflags, r->entry, &t->t);
-			inv = 0;
-		}
-	}
-
-	free(opts);
-}
-
-
-static int fwd_xt_exec_rule(struct fwd_xt_rule *r, const char *chain, int pos)
-{
-	size_t s;
-	struct xtables_rule_match *m, *next;
-	struct xtables_match *em;
-	struct xtables_target *et;
-	struct ipt_entry *e;
-	int rv = 0;
-
-	s = IPT_ALIGN(sizeof(struct ipt_entry));
-
-	for( m = r->matches; m; m = m->next )
-		s += m->match->m->u.match_size;
-
-	if( (e = malloc(s + r->target->t->u.target_size)) != NULL )
-	{
-		memset(e, 0, s + r->target->t->u.target_size);
-		memcpy(e, r->entry, sizeof(struct ipt_entry));
-
-		e->target_offset = s;
-		e->next_offset = s + r->target->t->u.target_size;
-
-		s = 0;
-
-		for( m = r->matches; m; m = m->next )
-		{
-			memcpy(e->elems + s, m->match->m, m->match->m->u.match_size);
-			s += m->match->m->u.match_size;
-		}
-
-		memcpy(e->elems + s, r->target->t, r->target->t->u.target_size);
-
-		rv = (pos > -1)
-			? iptc_insert_entry(chain, e, (unsigned int) pos, r->iptc)
-			: iptc_append_entry(chain, e, r->iptc)
-		;
-	}
-	else
-	{
-		errno = ENOMEM;
-	}
-
-
-	fwd_free_ptr(e);
-	fwd_free_ptr(r->entry);
-	fwd_free_ptr(r->target->t);
-
-	for( m = r->matches; m; )
-	{
-		next = m->next;
-		fwd_free_ptr(m->match->m);
-
-		if( m->match == m->match->next )
-			fwd_free_ptr(m->match);
-
-		fwd_free_ptr(m);
-		m = next;
-	}
-
-	fwd_free_ptr(r);
-
-	/* reset all targets and matches */
-	for (em = xtables_matches; em; em = em->next)
-		em->mflags = 0;
-
-	for (et = xtables_targets; et; et = et->next)
-	{
-		et->tflags = 0;
-		et->used = 0;
-	}
-
-	return rv;
-}
-
-int fwd_xt_insert_rule(
-	struct fwd_xt_rule *r, const char *chain, unsigned int pos
-) {
-	return fwd_xt_exec_rule(r, chain, pos);
-}
-
-int fwd_xt_append_rule(
-	struct fwd_xt_rule *r, const char *chain
-) {
-	return fwd_xt_exec_rule(r, chain, -1);
-}
-