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authorAshlee Young <ashlee@onosfw.com>2015-09-09 22:21:41 -0700
committerAshlee Young <ashlee@onosfw.com>2015-09-09 22:21:41 -0700
commit8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch)
treec7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/util-cidr.c
parent13d05bc8458758ee39cb829098241e89616717ee (diff)
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/util-cidr.c')
-rw-r--r--framework/src/suricata/src/util-cidr.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/framework/src/suricata/src/util-cidr.c b/framework/src/suricata/src/util-cidr.c
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+++ b/framework/src/suricata/src/util-cidr.c
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+/* Copyright (C) 2007-2010 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ *
+ * CIDR utility functions
+ */
+
+#include "suricata-common.h"
+
+static uint32_t cidrs[33];
+
+void CIDRInit(void)
+{
+ int i = 0;
+
+ /* skip 0 as it will result in 0xffffffff */
+ cidrs[0] = 0;
+ for (i = 1; i < 33; i++) {
+ cidrs[i] = htonl(0xFFFFFFFF << (32 - i));
+ //printf("CIDRInit: cidrs[%02d] = 0x%08X\n", i, cidrs[i]);
+ }
+}
+
+uint32_t CIDRGet(int cidr)
+{
+ if (cidr < 0 || cidr > 32)
+ return 0;
+ return cidrs[cidr];
+}
+