1 files changed, 58 insertions, 18 deletions

diff --git a/pimd/pim_util.c b/pimd/pim_util.c
index f5b6a8210a..139c0e3fb1 100644
--- a/pimd/pim_util.c
+++ b/pimd/pim_util.c
@@ -1,26 +1,26 @@
 /*
-  PIM for Quagga
-  Copyright (C) 2008  Everton da Silva Marques
-
-  This program is free software; you can redistribute it 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 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 this program; see the file COPYING; if not, write to the
-  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-  MA 02110-1301 USA
-*/
+ * PIM for Quagga
+ * Copyright (C) 2008  Everton da Silva Marques
+ *
+ * This program is free software; you can redistribute it 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 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 this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
 
 #include <zebra.h>
 
 #include "log.h"
+#include "prefix.h"
 
 #include "pim_util.h"
 
@@ -103,3 +103,43 @@ void pim_pkt_dump(const char *label, const uint8_t *buf, int size)
 	     size);
   zlog_hexdump(buf, size);
 }
+
+int
+pim_is_group_224_0_0_0_24 (struct in_addr group_addr)
+{
+  static int first = 1;
+  static struct prefix group_224;
+  struct prefix group;
+
+  if (first)
+    {
+      str2prefix ("224.0.0.0/24", &group_224);
+      first = 0;
+    }
+
+  group.family = AF_INET;
+  group.u.prefix4 = group_addr;
+  group.prefixlen = 32;
+
+  return prefix_match (&group_224, &group);
+}
+
+int
+pim_is_group_224_4 (struct in_addr group_addr)
+{
+  static int first = 1;
+  static struct prefix group_all;
+  struct prefix group;
+
+  if (first)
+    {
+      str2prefix ("224.0.0.0/4", &group_all);
+      first = 0;
+    }
+
+  group.family = AF_INET;
+  group.u.prefix4 = group_addr;
+  group.prefixlen = 32;
+
+  return prefix_match (&group_all, &group);
+}