[netfilter-cvslog] r7451 - branches/ulog/ulogd2/filter

[pablo at netfilter.org]

Author: pablo at netfilter.org
Date: 2008-04-09 13:06:50 +0200 (Wed, 09 Apr 2008)
New Revision: 7451

Added:
   branches/ulog/ulogd2/filter/ulogd_filter_MAC2STR.c
Log:
add missing ulogd_filter_MAC2STR


Added: branches/ulog/ulogd2/filter/ulogd_filter_MAC2STR.c
===================================================================
--- branches/ulog/ulogd2/filter/ulogd_filter_MAC2STR.c	                        (rev 0)
+++ branches/ulog/ulogd2/filter/ulogd_filter_MAC2STR.c	2008-04-09 11:06:50 UTC (rev 7451)
@@ -0,0 +1,111 @@
+/* ulogd_filter_MAC2STR.c, Version $Revision: 1500 $
+ *
+ * ulogd interpreter plugin for HWMAC
+ *
+ * (C) 2008 by Eric Leblond <eric at inl.fr>
+ *
+ * Based on ulogd_filter_IFINDEX.c Harald Welte <laforge at gnumonks.org>
+ *
+ *  This 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
+ *
+ *  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; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * $Id: ulogd_filter_IFINDEX.c 1500 2005-10-03 16:54:02Z laforge $
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <ulogd/ulogd.h>
+
+#define IPADDR_LENGTH 128
+
+enum input_keys {
+	KEY_RAW_MAC,
+	KEY_RAW_MACLEN,
+};
+
+enum output_keys {
+	KEY_MAC_SADDR,
+};
+
+static struct ulogd_key mac2str_inp[] = {
+	[KEY_RAW_MAC] = {
+		.type = ULOGD_RET_RAW,
+		.flags = ULOGD_RETF_NONE,
+		.name = "raw.mac",
+	},
+	[KEY_RAW_MACLEN] = { 
+		.type = ULOGD_RET_UINT16, 
+		.flags = ULOGD_RETF_NONE, 
+		.name = "raw.mac_len", 
+	},
+
+};
+
+static struct ulogd_key mac2str_keys[] = {
+	{
+		.type = ULOGD_RET_STRING,
+		.flags = ULOGD_RETF_FREE,
+		.name = "mac.saddr.str",
+	},
+};
+
+static int interp_mac2str(struct ulogd_pluginstance *pi)
+{
+	struct ulogd_key *ret = pi->output.keys;
+	struct ulogd_key *inp = pi->input.keys;
+
+	if (pp_is_valid(inp, KEY_RAW_MAC)) {
+		unsigned char *mac = (unsigned char *) GET_VALUE(inp, KEY_RAW_MAC).ptr;
+		int len = GET_VALUE(inp, KEY_RAW_MACLEN).ui16;
+		char *mac_str = calloc(len/sizeof(char)*3, sizeof(char));
+		char *buf_cur = mac_str;
+		int i;
+		
+		if (mac_str == NULL)
+			return -1;
+
+		for (i = 0; i < len; i++)
+			buf_cur += sprintf(buf_cur, "%02x%c", mac[i],
+					   i == len - 1 ? 0 : ':');
+
+		ret[KEY_MAC_SADDR].u.value.ptr = mac_str;
+		ret[KEY_MAC_SADDR].flags |= ULOGD_RETF_VALID;
+	}
+
+	return 0;
+}
+
+static struct ulogd_plugin mac2str_pluging = {
+	.name = "MAC2STR",
+	.input = {
+		.keys = mac2str_inp,
+		.num_keys = ARRAY_SIZE(mac2str_inp),
+		.type = ULOGD_DTYPE_PACKET,
+		},
+	.output = {
+		.keys = mac2str_keys,
+		.num_keys = ARRAY_SIZE(mac2str_keys),
+		.type = ULOGD_DTYPE_PACKET,
+		},
+	.interp = &interp_mac2str,
+	.version = ULOGD_VERSION,
+};
+
+void __attribute__ ((constructor)) init(void);
+
+void init(void)
+{
+	ulogd_register_plugin(&mac2str_pluging);
+}