diff options
Diffstat (limited to 'babeld/babel_filter.c')
| -rw-r--r-- | babeld/babel_filter.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/babeld/babel_filter.c b/babeld/babel_filter.c deleted file mode 100644 index 191a9f77ea..0000000000 --- a/babeld/babel_filter.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * 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: - * - -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. -*/ - -#include "babel_filter.h" -#include "vty.h" -#include "filter.h" -#include "log.h" -#include "plist.h" -#include "distribute.h" -#include "util.h" - -int -babel_filter(int output, const unsigned char *prefix, unsigned short plen, - unsigned int ifindex) -{ - struct interface *ifp = if_lookup_by_index(ifindex); - babel_interface_nfo *babel_ifp = ifp ? babel_get_if_nfo(ifp) : NULL; - struct prefix p; - struct distribute *dist; - struct access_list *alist; - struct prefix_list *plist; - int filter = output ? BABEL_FILTER_OUT : BABEL_FILTER_IN; - int distribute = output ? DISTRIBUTE_OUT : DISTRIBUTE_IN; - - p.family = v4mapped(prefix) ? AF_INET : AF_INET6; - p.prefixlen = v4mapped(prefix) ? plen - 96 : plen; - if (p.family == AF_INET) - uchar_to_inaddr(&p.u.prefix4, prefix); - else - uchar_to_in6addr(&p.u.prefix6, prefix); - - if (babel_ifp != NULL && babel_ifp->list[filter]) { - if (access_list_apply (babel_ifp->list[filter], &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); - return INFINITY; - } - } - if (babel_ifp != NULL && babel_ifp->prefix[filter]) { - if (prefix_list_apply (babel_ifp->prefix[filter], &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); - return INFINITY; - } - } - - /* All interface filter check. */ - dist = distribute_lookup (NULL); - if (dist) { - if (dist->list[distribute]) { - alist = access_list_lookup (AFI_IP6, 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); - return INFINITY; - } - } - } - if (dist->prefix[distribute]) { - plist = prefix_list_lookup (AFI_IP6, 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); - return INFINITY; - } - } - } - } - return 0; -} |