1 files changed, 114 insertions, 0 deletions
diff --git a/libs/libipt_CRYPT.c b/libs/libipt_CRYPT.c
new file mode 100644
index 0000000..7e171f3
--- /dev/null
+++ b/libs/libipt_CRYPT.c
@@ -0,0 +1,114 @@
+/* $Id: newmail.c 31 2003-10-22 22:59:07Z lennart $ */
+
+/***
+  This file is part of seppl
+
+  seppl 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.
+  
+  seppl 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 seppl; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA
+***/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <iptables.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+
+#include "ipt_CRYPT.h"
+
+
+/* Function which prints out usage message. */
+static void help(void) {
+	printf("CRYPT options:\n"
+           "  --algorithm algo              Select algorithm\n"
+           "  --key key                     Select key\n");
+}
+
+static struct option opts[] = {
+	{ "algorithm", 1, 0, 'a' },
+	{ "key", 1, 0, 'k' },
+	{ 0 }
+};
+
+static void init(struct ipt_entry_target *t, unsigned int *nfcache) {
+	struct ipt_crypt_info *crypt = (struct ipt_crypt_info *) t->data;
+
+    memset(crypt, 0, sizeof(struct ipt_crypt_info));
+	strncpy(crypt->name, "def", 7);
+
+    *nfcache |= NFC_UNKNOWN;
+}
+
+static int parse(int c, char **argv, int invert, unsigned int *flags, const struct ipt_entry *entry, struct ipt_entry_target **target) {
+	struct ipt_crypt_info *crypt = (struct ipt_crypt_info *)(*target)->data;
+
+	switch(c) {
+        case 'a':
+            crypt->algorithm = atoi(optarg);
+            return 1;
+
+        case 'k':
+            strncpy(crypt->name, optarg, 7);
+            return 1;
+            
+	}
+
+    return 0;
+}
+
+static void final_check(unsigned int flags) {
+}
+
+static void print(const struct ipt_ip *ip, const struct ipt_entry_target *target, int numeric) {
+	const struct ipt_crypt_info *crypt = (const struct ipt_crypt_info *)target->data;
+    char txt[8];
+
+    strncpy(txt, crypt->name, 7);
+    txt[7] = 0;
+    
+    printf("key: %s algo: %i\n", txt, crypt->algorithm);
+}
+
+static void save(const struct ipt_ip *ip, const struct ipt_entry_target *target) {
+	const struct ipt_crypt_info *crypt = (const struct ipt_crypt_info *)target->data;
+    char txt[8];
+
+    strncpy(txt, crypt->name, 7);
+    txt[7] = 0;
+    
+    printf("--algorithm %i ", crypt->algorithm);
+    printf("--key '%s'", txt);
+
+}
+
+static struct iptables_target crypt = {
+    NULL,
+    "CRYPT",
+    "1.2.8",
+    IPT_ALIGN(sizeof(struct ipt_crypt_info)),
+    IPT_ALIGN(sizeof(struct ipt_crypt_info)),
+    &help,
+    &init,
+    &parse,
+    &final_check,
+    &print,
+    &save,
+    opts
+};
+
+void _init(void) {
+	register_target(&crypt);
+}