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git://git.code.sf.net/p/xtables-addons/xtables-addons
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Import ipset-2.3.2a (userspace components)
This commit is contained in:
Jan Engelhardt
224
extensions/ipset/ipset_iptree.c
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224
extensions/ipset/ipset_iptree.c
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/* Copyright 2005 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "ip_set_iptree.h"
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#include "ipset.h"
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#define BUFLEN 30;
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#define OPT_CREATE_TIMEOUT 0x01U
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/* Initialize the create. */
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void create_init(void *data)
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{
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struct ip_set_req_iptree_create *mydata =
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(struct ip_set_req_iptree_create *) data;
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DP("create INIT");
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mydata->timeout = 0;
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}
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/* Function which parses command options; returns true if it ate an option */
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int create_parse(int c, char *argv[], void *data, unsigned *flags)
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{
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struct ip_set_req_iptree_create *mydata =
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(struct ip_set_req_iptree_create *) data;
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DP("create_parse");
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switch (c) {
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case '1':
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string_to_number(optarg, 0, UINT_MAX, &mydata->timeout);
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*flags |= OPT_CREATE_TIMEOUT;
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DP("--timeout %u", mydata->timeout);
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break;
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default:
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return 0;
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}
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return 1;
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}
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/* Final check; exit if not ok. */
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void create_final(void *data, unsigned int flags)
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{
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}
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/* Create commandline options */
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static struct option create_opts[] = {
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{"timeout", 1, 0, '1'},
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{0}
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};
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/* Add, del, test parser */
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ip_set_ip_t adt_parser(unsigned cmd, const char *optarg, void *data)
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{
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struct ip_set_req_iptree *mydata =
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(struct ip_set_req_iptree *) data;
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char *saved = ipset_strdup(optarg);
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char *ptr, *tmp = saved;
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DP("iptree: %p %p", optarg, data);
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ptr = strsep(&tmp, ":%");
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parse_ip(ptr, &mydata->ip);
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if (tmp)
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string_to_number(tmp, 0, UINT_MAX, &mydata->timeout);
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else
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mydata->timeout = 0;
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free(saved);
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return 1;
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}
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/*
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* Print and save
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*/
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void initheader(struct set *set, const void *data)
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{
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struct ip_set_req_iptree_create *header =
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(struct ip_set_req_iptree_create *) data;
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struct ip_set_iptree *map =
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(struct ip_set_iptree *) set->settype->header;
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map->timeout = header->timeout;
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}
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void printheader(struct set *set, unsigned options)
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{
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struct ip_set_iptree *mysetdata =
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(struct ip_set_iptree *) set->settype->header;
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if (mysetdata->timeout)
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printf(" timeout: %u", mysetdata->timeout);
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printf("\n");
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}
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void printips_sorted(struct set *set, void *data, size_t len, unsigned options)
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{
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struct ip_set_iptree *mysetdata =
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(struct ip_set_iptree *) set->settype->header;
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struct ip_set_req_iptree *req;
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size_t offset = 0;
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while (len >= offset + sizeof(struct ip_set_req_iptree)) {
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req = (struct ip_set_req_iptree *)(data + offset);
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if (mysetdata->timeout)
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printf("%s:%u\n", ip_tostring(req->ip, options),
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req->timeout);
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else
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printf("%s\n", ip_tostring(req->ip, options));
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offset += sizeof(struct ip_set_req_iptree);
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}
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}
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void saveheader(struct set *set, unsigned options)
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{
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struct ip_set_iptree *mysetdata =
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(struct ip_set_iptree *) set->settype->header;
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if (mysetdata->timeout)
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printf("-N %s %s --timeout %u\n",
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set->name, set->settype->typename,
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mysetdata->timeout);
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else
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printf("-N %s %s\n",
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set->name, set->settype->typename);
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}
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void saveips(struct set *set, void *data, size_t len, unsigned options)
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{
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struct ip_set_iptree *mysetdata =
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(struct ip_set_iptree *) set->settype->header;
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struct ip_set_req_iptree *req;
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size_t offset = 0;
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DP("%s", set->name);
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while (len >= offset + sizeof(struct ip_set_req_iptree)) {
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req = (struct ip_set_req_iptree *)(data + offset);
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if (mysetdata->timeout)
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printf("-A %s %s:%u\n",
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set->name,
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ip_tostring(req->ip, options),
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req->timeout);
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else
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printf("-A %s %s\n",
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set->name,
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ip_tostring(req->ip, options));
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offset += sizeof(struct ip_set_req_iptree);
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}
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}
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void usage(void)
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{
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printf
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("-N set iptree [--timeout value]\n"
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"-A set IP[:timeout]\n"
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"-D set IP\n"
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"-T set IP\n");
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}
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static struct settype settype_iptree = {
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.typename = SETTYPE_NAME,
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.protocol_version = IP_SET_PROTOCOL_VERSION,
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/* Create */
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.create_size = sizeof(struct ip_set_req_iptree_create),
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.create_init = &create_init,
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.create_parse = &create_parse,
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.create_final = &create_final,
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.create_opts = create_opts,
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/* Add/del/test */
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.adt_size = sizeof(struct ip_set_req_iptree),
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.adt_parser = &adt_parser,
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/* Printing */
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.header_size = sizeof(struct ip_set_iptree),
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.initheader = &initheader,
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.printheader = &printheader,
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.printips = &printips_sorted, /* We only have sorted version */
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.printips_sorted = &printips_sorted,
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.saveheader = &saveheader,
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.saveips = &saveips,
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/* Bindings */
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.bindip_tostring = &binding_ip_tostring,
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.bindip_parse = &parse_ip,
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.usage = &usage,
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};
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static __attribute__((constructor)) void iptree_init(void)
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{
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settype_register(&settype_iptree);
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}
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