--- /dev/null
+/* Copyright 2004 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
+ *
+ * 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; 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 <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <asm/bitops.h>
+
+#include <linux/netfilter_ipv4/ip_set_portmap.h>
+#include "ipset.h"
+
+
+#define BUFLEN 30;
+
+#define OPT_CREATE_FROM 0x01U
+#define OPT_CREATE_TO 0x02U
+
+#define OPT_ADDDEL_PORT 0x01U
+
+/* Initialize the create. */
+void create_init(void *data)
+{
+ DP("create INIT");
+ /* Nothing */
+}
+
+/* Function which parses command options; returns true if it ate an option */
+int create_parse(int c, char *argv[], void *data, unsigned *flags)
+{
+ struct ip_set_req_portmap_create *mydata =
+ (struct ip_set_req_portmap_create *) data;
+
+ DP("create_parse");
+
+ switch (c) {
+ case '1':
+ parse_port(optarg, &mydata->from);
+
+ *flags |= OPT_CREATE_FROM;
+
+ DP("--from %x (%s)", mydata->from,
+ port_tostring(mydata->from, 0));
+
+ break;
+
+ case '2':
+ parse_port(optarg, &mydata->to);
+
+ *flags |= OPT_CREATE_TO;
+
+ DP("--to %x (%s)", mydata->to,
+ port_tostring(mydata->to, 0));
+
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+/* Final check; exit if not ok. */
+void create_final(void *data, unsigned int flags)
+{
+ struct ip_set_req_portmap_create *mydata =
+ (struct ip_set_req_portmap_create *) data;
+
+ if (flags == 0) {
+ exit_error(PARAMETER_PROBLEM,
+ "Need to specify --from and --to\n");
+ } else {
+ /* --from --to */
+ if ((flags & OPT_CREATE_FROM) == 0
+ || (flags & OPT_CREATE_TO) == 0)
+ exit_error(PARAMETER_PROBLEM,
+ "Need to specify both --from and --to\n");
+ }
+
+ DP("from : %x to: %x diff: %d", mydata->from, mydata->to,
+ mydata->to - mydata->from);
+
+ if (mydata->from > mydata->to)
+ exit_error(PARAMETER_PROBLEM,
+ "From can't be lower than to.\n");
+
+ if (mydata->to - mydata->from > MAX_RANGE)
+ exit_error(PARAMETER_PROBLEM,
+ "Range too large. Max is %d ports in range\n",
+ MAX_RANGE+1);
+}
+
+/* Create commandline options */
+static struct option create_opts[] = {
+ {"from", 1, 0, '1'},
+ {"to", 1, 0, '2'},
+ {0}
+};
+
+/* Add, del, test parser */
+ip_set_ip_t adt_parser(unsigned cmd, const char *optarg, void *data)
+{
+ struct ip_set_req_portmap *mydata =
+ (struct ip_set_req_portmap *) data;
+
+ parse_port(optarg, &mydata->port);
+ DP("%s", port_tostring(mydata->port, 0));
+
+ return 1;
+}
+
+/*
+ * Print and save
+ */
+
+void initheader(struct set *set, const void *data)
+{
+ struct ip_set_req_portmap_create *header =
+ (struct ip_set_req_portmap_create *) data;
+ struct ip_set_portmap *map =
+ (struct ip_set_portmap *) set->settype->header;
+
+ memset(map, 0, sizeof(struct ip_set_portmap));
+ map->first_port = header->from;
+ map->last_port = header->to;
+}
+
+void printheader(struct set *set, unsigned options)
+{
+ struct ip_set_portmap *mysetdata =
+ (struct ip_set_portmap *) set->settype->header;
+
+ printf(" from: %s", port_tostring(mysetdata->first_port, options));
+ printf(" to: %s\n", port_tostring(mysetdata->last_port, options));
+}
+
+void printports_sorted(struct set *set, void *data, size_t len, unsigned options)
+{
+ struct ip_set_portmap *mysetdata =
+ (struct ip_set_portmap *) set->settype->header;
+ u_int32_t addr = mysetdata->first_port;
+
+ DP("%u -- %u", mysetdata->first_port, mysetdata->last_port);
+ while (addr <= mysetdata->last_port) {
+ if (test_bit(addr - mysetdata->first_port, data))
+ printf("%s\n", port_tostring(addr, options));
+ addr++;
+ }
+}
+
+char * binding_port_tostring(struct set *set, ip_set_ip_t ip, unsigned options)
+{
+ return port_tostring(ip, options);
+}
+
+void saveheader(struct set *set, unsigned options)
+{
+ struct ip_set_portmap *mysetdata =
+ (struct ip_set_portmap *) set->settype->header;
+
+ printf("-N %s %s --from %s",
+ set->name,
+ set->settype->typename,
+ port_tostring(mysetdata->first_port, options));
+ printf(" --to %s\n",
+ port_tostring(mysetdata->last_port, options));
+}
+
+void saveports(struct set *set, void *data, size_t len, unsigned options)
+{
+ struct ip_set_portmap *mysetdata =
+ (struct ip_set_portmap *) set->settype->header;
+ u_int32_t addr = mysetdata->first_port;
+
+ while (addr <= mysetdata->last_port) {
+ if (test_bit(addr - mysetdata->first_port, data))
+ printf("-A %s %s\n",
+ set->name,
+ port_tostring(addr, options));
+ addr++;
+ }
+}
+
+void usage(void)
+{
+ printf
+ ("-N set portmap --from PORT --to PORT\n"
+ "-A set PORT\n"
+ "-D set PORT\n"
+ "-T set PORT\n");
+}
+
+static struct settype settype_portmap = {
+ .typename = SETTYPE_NAME,
+ .protocol_version = IP_SET_PROTOCOL_VERSION,
+
+ /* Create */
+ .create_size = sizeof(struct ip_set_req_portmap_create),
+ .create_init = &create_init,
+ .create_parse = &create_parse,
+ .create_final = &create_final,
+ .create_opts = create_opts,
+
+ /* Add/del/test */
+ .adt_size = sizeof(struct ip_set_req_portmap),
+ .adt_parser = &adt_parser,
+
+ /* Printing */
+ .header_size = sizeof(struct ip_set_portmap),
+ .initheader = &initheader,
+ .printheader = &printheader,
+ .printips = &printports_sorted, /* We only have sorted version */
+ .printips_sorted = &printports_sorted,
+ .saveheader = &saveheader,
+ .saveips = &saveports,
+
+ /* Bindings */
+ .bindip_tostring = &binding_port_tostring,
+ .bindip_parse = &parse_port,
+
+ .usage = &usage,
+};
+
+void _init(void)
+{
+ settype_register(&settype_portmap);
+
+}
git://git.onelab.eu / iptables.git / blobdiff