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/* Copyright 2008 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 <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <linux/netfilter_ipv4/ip_set_setlist.h>
#include "ipset.h"
/* Initialize the create. */
static void
create_init(void *data)
{
struct ip_set_req_setlist_create *mydata = data;
mydata->size = 8;
}
/* Function which parses command options; returns true if it ate an option */
static int
create_parse(int c, char *argv[] UNUSED, void *data, unsigned *flags UNUSED)
{
struct ip_set_req_setlist_create *mydata = data;
unsigned int size;
switch (c) {
case '1':
if (string_to_number(optarg, 1, 255, &size))
exit_error(PARAMETER_PROBLEM,
"Invalid size '%s specified: must be "
"between 1-255", optarg);
mydata->size = size;
break;
default:
return 0;
}
return 1;
}
/* Final check; exit if not ok. */
static void
create_final(void *data UNUSED, unsigned int flags UNUSED)
{
}
/* Create commandline options */
static const struct option create_opts[] = {
{.name = "size", .has_arg = required_argument, .val = '1'},
{NULL},
};
static void check_setname(const char *name)
{
if (strlen(name) > IP_SET_MAXNAMELEN - 1)
exit_error(PARAMETER_PROBLEM,
"Setname %s is longer than %d characters.",
name, IP_SET_MAXNAMELEN - 1);
}
/* Add, del, test parser */
static ip_set_ip_t
adt_parser(int cmd UNUSED, const char *arg, void *data)
{
struct ip_set_req_setlist *mydata = data;
char *saved = ipset_strdup(arg);
char *ptr, *tmp = saved;
DP("setlist: %p %p", arg, data);
ptr = strsep(&tmp, ",");
check_setname(ptr);
strcpy(mydata->name, ptr);
if (!tmp) {
mydata->before = 0;
mydata->ref[0] = '\0';
return 1;
}
ptr = strsep(&tmp, ",");
if (tmp == NULL || !(strcmp(ptr, "before") == 0 || strcmp(ptr, "after") == 0))
exit_error(PARAMETER_PROBLEM,
"Syntax error, you must specify elements as setname,[before|after],setname");
check_setname(tmp);
strcpy(mydata->ref, tmp);
mydata->before = !strcmp(ptr, "before");
free(saved);
return 1;
}
/*
* Print and save
*/
static void
initheader(struct set *set, const void *data)
{
const struct ip_set_req_setlist_create *header = data;
struct ip_set_setlist *map = set->settype->header;
memset(map, 0, sizeof(struct ip_set_setlist));
map->size = header->size;
}
static void
printheader(struct set *set, unsigned options UNUSED)
{
struct ip_set_setlist *mysetdata = set->settype->header;
printf(" size: %u\n", mysetdata->size);
}
static void
printips_sorted(struct set *set, void *data,
size_t len UNUSED, unsigned options UNUSED)
{
struct ip_set_setlist *mysetdata = set->settype->header;
int i;
ip_set_id_t id;
struct set *elem;
for (i = 0; i < mysetdata->size; i++ ) {
id = *((ip_set_id_t *)data + i);
if (id == IP_SET_INVALID_ID)
return;
elem = set_find_byid(id);
printf("%s\n", elem->name);
}
}
static void
saveheader(struct set *set, unsigned options UNUSED)
{
struct ip_set_setlist *mysetdata = set->settype->header;
printf("-N %s %s --size %u\n",
set->name, set->settype->typename,
mysetdata->size);
}
static void
saveips(struct set *set, void *data,
size_t len UNUSED, unsigned options UNUSED)
{
struct ip_set_setlist *mysetdata = set->settype->header;
int i;
ip_set_id_t id;
struct set *elem;
for (i = 0; i < mysetdata->size; i++ ) {
id = *((ip_set_id_t *)data + i);
if (id == IP_SET_INVALID_ID)
return;
elem = set_find_byid(id);
printf("-A %s %s\n", set->name, elem->name);
}
}
static void usage(void)
{
printf
("-N set setlist --size size\n"
"-A set setname[,before|after,setname]\n"
"-D set setname\n"
"-T set setname\n");
}
static struct settype settype_setlist = {
.typename = SETTYPE_NAME,
.protocol_version = IP_SET_PROTOCOL_VERSION,
/* Create */
.create_size = sizeof(struct ip_set_req_setlist_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_setlist),
.adt_parser = &adt_parser,
/* Printing */
.header_size = sizeof(struct ip_set_setlist),
.initheader = &initheader,
.printheader = &printheader,
.printips = &printips_sorted, /* We only have sorted version */
.printips_sorted = &printips_sorted,
.saveheader = &saveheader,
.saveips = &saveips,
.usage = &usage,
};
CONSTRUCTOR(setlist)
{
settype_register(&settype_setlist);
}
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