-/*
- * This file is free software: you may copy, redistribute and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 2 of the License, or (at your
- * option) any later version.
- *
- * This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *
-
+// SPDX-License-Identifier: MIT
+/*
Copyright 2011 by Matthieu Boutier and Juliusz Chroboczek
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include "babel_filter.h"
#include "vty.h"
#include "filter.h"
babel_filter(int output, const unsigned char *prefix, unsigned short plen,
unsigned int ifindex)
{
- struct interface *ifp = if_lookup_by_index(ifindex);
+ struct interface *ifp = if_lookup_by_index(ifindex, VRF_DEFAULT);
babel_interface_nfo *babel_ifp = ifp ? babel_get_if_nfo(ifp) : NULL;
struct prefix p;
- struct distribute *dist;
+ struct distribute *dist = NULL;
struct access_list *alist;
struct prefix_list *plist;
- int filter = output ? BABEL_FILTER_OUT : BABEL_FILTER_IN;
- int distribute = output ? DISTRIBUTE_OUT : DISTRIBUTE_IN;
+ int distribute;
+ struct babel *babel;
+ afi_t family;
p.family = v4mapped(prefix) ? AF_INET : AF_INET6;
p.prefixlen = v4mapped(prefix) ? plen - 96 : plen;
- if (p.family == AF_INET)
+ if (p.family == AF_INET) {
uchar_to_inaddr(&p.u.prefix4, prefix);
- else
+ distribute = output ? DISTRIBUTE_V4_OUT : DISTRIBUTE_V4_IN;
+ family = AFI_IP;
+ } else {
uchar_to_in6addr(&p.u.prefix6, prefix);
+ distribute = output ? DISTRIBUTE_V6_OUT : DISTRIBUTE_V6_IN;
+ family = AFI_IP6;
+ }
- if (babel_ifp != NULL && babel_ifp->list[filter]) {
- if (access_list_apply (babel_ifp->list[filter], &p)
+ if (babel_ifp != NULL && babel_ifp->list[distribute]) {
+ if (access_list_apply (babel_ifp->list[distribute], &p)
== FILTER_DENY) {
debugf(BABEL_DEBUG_FILTER,
- "%s/%d filtered by distribute in",
- p.family == AF_INET ?
- inet_ntoa(p.u.prefix4) :
- inet6_ntoa (p.u.prefix6),
- p.prefixlen);
+ "%pFX filtered by distribute %s",
+ &p, output ? "out" : "in");
return INFINITY;
}
}
- if (babel_ifp != NULL && babel_ifp->prefix[filter]) {
- if (prefix_list_apply (babel_ifp->prefix[filter], &p)
+ if (babel_ifp != NULL && babel_ifp->prefix[distribute]) {
+ if (prefix_list_apply (babel_ifp->prefix[distribute], &p)
== PREFIX_DENY) {
- debugf(BABEL_DEBUG_FILTER, "%s/%d filtered by distribute in",
- p.family == AF_INET ?
- inet_ntoa(p.u.prefix4) :
- inet6_ntoa (p.u.prefix6),
- p.prefixlen);
+ debugf(BABEL_DEBUG_FILTER, "%pFX filtered by distribute %s",
+ &p, output ? "out" : "in");
return INFINITY;
}
}
/* All interface filter check. */
- dist = distribute_lookup (NULL);
+ babel = babel_lookup();
+ if (babel)
+ dist = distribute_lookup (babel->distribute_ctx, NULL);
if (dist) {
if (dist->list[distribute]) {
- alist = access_list_lookup (AFI_IP6, dist->list[distribute]);
+ alist = access_list_lookup (family, dist->list[distribute]);
if (alist) {
if (access_list_apply (alist, &p) == FILTER_DENY) {
- debugf(BABEL_DEBUG_FILTER, "%s/%d filtered by distribute in",
- p.family == AF_INET ?
- inet_ntoa(p.u.prefix4) :
- inet6_ntoa (p.u.prefix6),
- p.prefixlen);
+ debugf(BABEL_DEBUG_FILTER,"%pFX filtered by distribute %s",
+ &p, output ? "out" : "in");
return INFINITY;
}
}
}
if (dist->prefix[distribute]) {
- plist = prefix_list_lookup (AFI_IP6, dist->prefix[distribute]);
+ plist = prefix_list_lookup (family, dist->prefix[distribute]);
if (plist) {
if (prefix_list_apply (plist, &p) == PREFIX_DENY) {
- debugf(BABEL_DEBUG_FILTER, "%s/%d filtered by distribute in",
- p.family == AF_INET ?
- inet_ntoa(p.u.prefix4) :
- inet6_ntoa (p.u.prefix6),
- p.prefixlen);
+ debugf(BABEL_DEBUG_FILTER,"%pFX filtered by distribute %s",
+ &p, output ? "out" : "in");
return INFINITY;
}
}
projects / mirror_frr.git / blobdiff