diff options
Diffstat (limited to 'src/ipset_iptreemap.c')
| -rw-r--r-- | src/ipset_iptreemap.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/ipset_iptreemap.c b/src/ipset_iptreemap.c new file mode 100644 index 0000000..22bdcb3 --- /dev/null +++ b/src/ipset_iptreemap.c @@ -0,0 +1,208 @@ +/* Copyright 2007 Sven Wegener <sven.wegener@stealer.net> + * + * 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 <limits.h> /* UINT_MAX */ +#include <stdio.h> /* *printf */ +#include <string.h> /* mem* */ + +#include "ipset.h" + +#include <linux/netfilter_ipv4/ip_set_iptreemap.h> + +#define OPT_CREATE_GC 0x1 + +static void +iptreemap_create_init(void *data) +{ + struct ip_set_req_iptreemap_create *mydata = data; + + mydata->gc_interval = 0; +} + +static int +iptreemap_create_parse(int c, char *argv[] UNUSED, void *data, + unsigned int *flags) +{ + struct ip_set_req_iptreemap_create *mydata = data; + + switch (c) { + case 'g': + string_to_number(optarg, 0, UINT_MAX, &mydata->gc_interval); + + *flags |= OPT_CREATE_GC; + break; + default: + return 0; + break; + } + + return 1; +} + +static void +iptreemap_create_final(void *data UNUSED, unsigned int flags UNUSED) +{ +} + +static const struct option create_opts[] = { + {.name = "gc", .has_arg = required_argument, .val = 'g'}, + {NULL}, +}; + +static ip_set_ip_t +iptreemap_adt_parser(int cmd UNUSED, const char *arg, void *data) +{ + struct ip_set_req_iptreemap *mydata = data; + ip_set_ip_t mask; + + char *saved = ipset_strdup(arg); + char *ptr, *tmp = saved; + + if (strchr(tmp, '/')) { + parse_ipandmask(tmp, &mydata->ip, &mask); + mydata->end = mydata->ip | ~mask; + } else { + if ((ptr = strchr(tmp, ':')) != NULL && ++warn_once == 1) + fprintf(stderr, "Warning: please use '-' separator token between IP range.\n" + "Next release won't support old separator token.\n"); + ptr = strsep(&tmp, "-:"); + parse_ip(ptr, &mydata->ip); + + if (tmp) { + parse_ip(tmp, &mydata->end); + } else { + mydata->end = mydata->ip; + } + } + + ipset_free(saved); + + return 1; +} + +static void +iptreemap_initheader(struct set *set, const void *data) +{ + const struct ip_set_req_iptreemap_create *header = data; + struct ip_set_iptreemap *map = set->settype->header; + + map->gc_interval = header->gc_interval; +} + +static void +iptreemap_printheader(struct set *set, unsigned int options UNUSED) +{ + struct ip_set_iptreemap *mysetdata = set->settype->header; + + if (mysetdata->gc_interval) + printf(" gc: %u", mysetdata->gc_interval); + + printf("\n"); +} + +static void +iptreemap_printips_sorted(struct set *set UNUSED, void *data, + u_int32_t len, unsigned int options, char dont_align) +{ + struct ip_set_req_iptreemap *req; + size_t offset = 0; + + while (len >= offset + sizeof(struct ip_set_req_iptreemap)) { + req = data + offset; + + printf("%s", ip_tostring(req->ip, options)); + if (req->ip != req->end) + printf("-%s", ip_tostring(req->end, options)); + printf("\n"); + + offset += IPSET_VALIGN(sizeof(struct ip_set_req_iptreemap), dont_align); + } +} + +static void +iptreemap_saveheader(struct set *set, unsigned int options UNUSED) +{ + struct ip_set_iptreemap *mysetdata = set->settype->header; + + printf("-N %s %s", set->name, set->settype->typename); + + if (mysetdata->gc_interval) + printf(" --gc %u", mysetdata->gc_interval); + + printf("\n"); +} + +static void +iptreemap_saveips(struct set *set UNUSED, void *data, + u_int32_t len, unsigned int options, char dont_align) +{ + struct ip_set_req_iptreemap *req; + size_t offset = 0; + + while (len >= offset + sizeof(struct ip_set_req_iptreemap)) { + req = data + offset; + + printf("-A %s %s", set->name, ip_tostring(req->ip, options)); + + if (req->ip != req->end) + printf("-%s", ip_tostring(req->end, options)); + + printf("\n"); + + offset += IPSET_VALIGN(sizeof(struct ip_set_req_iptreemap), dont_align); + } +} + +static void +iptreemap_usage(void) +{ + printf( + "-N set iptreemap --gc interval\n" + "-A set IP\n" + "-D set IP\n" + "-T set IP\n" + ); +} + +static struct settype settype_iptreemap = { + .typename = SETTYPE_NAME, + .protocol_version = IP_SET_PROTOCOL_VERSION, + + .create_size = sizeof(struct ip_set_req_iptreemap_create), + .create_init = iptreemap_create_init, + .create_parse = iptreemap_create_parse, + .create_final = iptreemap_create_final, + .create_opts = create_opts, + + .adt_size = sizeof(struct ip_set_req_iptreemap), + .adt_parser = iptreemap_adt_parser, + + .header_size = sizeof(struct ip_set_iptreemap), + .initheader = iptreemap_initheader, + .printheader = iptreemap_printheader, + .printips = iptreemap_printips_sorted, + .printips_sorted = iptreemap_printips_sorted, + .saveheader = iptreemap_saveheader, + .saveips = iptreemap_saveips, + + .usage = iptreemap_usage, +}; + +CONSTRUCTOR(iptreemap) +{ + settype_register(&settype_iptreemap); +} |