+++ /dev/null
-/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
- * Patrick Schaaf <bof@bof.de>
- * Martin Josefsson <gandalf@wlug.westbo.se>
- * Copyright (C) 2003-2004 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 version 2 as
- * published by the Free Software Foundation.
- */
-
-/* Shared library add-on to iptables to add IP set mangling target. */
-#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <ctype.h>
-
-#include <xtables.h>
-#include <linux/netfilter_ipv4/ip_set.h>
-#include <linux/netfilter_ipv4/ipt_set.h>
-#include "libipt_set.h"
-
-static void SET_help(void)
-{
- printf("SET target options:\n"
- " --add-set name flags\n"
- " --del-set name flags\n"
- " add/del src/dst IP/port from/to named sets,\n"
- " where flags are the comma separated list of\n"
- " 'src' and 'dst' specifications.\n");
-}
-
-static const struct option SET_opts[] = {
- { .name = "add-set", .has_arg = true, .val = '1'},
- { .name = "del-set", .has_arg = true, .val = '2'},
- { .name = NULL }
-};
-
-static void SET_init(struct xt_entry_target *target)
-{
- struct ipt_set_info_target *info =
- (struct ipt_set_info_target *) target->data;
-
- memset(info, 0, sizeof(struct ipt_set_info_target));
- info->add_set.index =
- info->del_set.index = IP_SET_INVALID_ID;
-
-}
-
-static void
-parse_target(char **argv, int invert, unsigned int *flags,
- struct ipt_set_info *info, const char *what)
-{
- if (info->flags[0])
- xtables_error(PARAMETER_PROBLEM,
- "--%s can be specified only once", what);
-
- if (xtables_check_inverse(optarg, &invert, NULL, 0, argv))
- xtables_error(PARAMETER_PROBLEM,
- "Unexpected `!' after --%s", what);
-
- if (!argv[optind]
- || argv[optind][0] == '-' || argv[optind][0] == '!')
- xtables_error(PARAMETER_PROBLEM,
- "--%s requires two args.", what);
-
- if (strlen(optarg) > IP_SET_MAXNAMELEN - 1)
- xtables_error(PARAMETER_PROBLEM,
- "setname `%s' too long, max %d characters.",
- optarg, IP_SET_MAXNAMELEN - 1);
-
- get_set_byname(optarg, info);
- parse_bindings(argv[optind], info);
- optind++;
-
- *flags = 1;
-}
-
-static int SET_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_target **target)
-{
- struct ipt_set_info_target *myinfo =
- (struct ipt_set_info_target *) (*target)->data;
-
- switch (c) {
- case '1': /* --add-set <set> <flags> */
- parse_target(argv, invert, flags,
- &myinfo->add_set, "add-set");
- break;
- case '2': /* --del-set <set>[:<flags>] <flags> */
- parse_target(argv, invert, flags,
- &myinfo->del_set, "del-set");
- break;
-
- default:
- return 0;
- }
- return 1;
-}
-
-static void SET_check(unsigned int flags)
-{
- if (!flags)
- xtables_error(PARAMETER_PROBLEM,
- "You must specify either `--add-set' or `--del-set'");
-}
-
-static void
-print_target(const char *prefix, const struct ipt_set_info *info)
-{
- int i;
- char setname[IP_SET_MAXNAMELEN];
-
- if (info->index == IP_SET_INVALID_ID)
- return;
- get_set_byid(setname, info->index);
- printf("%s %s", prefix, setname);
- for (i = 0; i < IP_SET_MAX_BINDINGS; i++) {
- if (!info->flags[i])
- break;
- printf("%s%s",
- i == 0 ? " " : ",",
- info->flags[i] & IPSET_SRC ? "src" : "dst");
- }
- printf(" ");
-}
-
-static void SET_print(const void *ip, const struct xt_entry_target *target,
- int numeric)
-{
- const struct ipt_set_info_target *info = (const void *)target->data;
-
- print_target("add-set", &info->add_set);
- print_target("del-set", &info->del_set);
-}
-
-static void SET_save(const void *ip, const struct xt_entry_target *target)
-{
- const struct ipt_set_info_target *info = (const void *)target->data;
-
- print_target("--add-set", &info->add_set);
- print_target("--del-set", &info->del_set);
-}
-
-static struct xtables_target set_tg_reg = {
- .name = "SET",
- .version = XTABLES_VERSION,
- .family = NFPROTO_IPV4,
- .size = XT_ALIGN(sizeof(struct ipt_set_info_target)),
- .userspacesize = XT_ALIGN(sizeof(struct ipt_set_info_target)),
- .help = SET_help,
- .init = SET_init,
- .parse = SET_parse,
- .final_check = SET_check,
- .print = SET_print,
- .save = SET_save,
- .extra_opts = SET_opts,
-};
-
-void _init(void)
-{
- xtables_register_target(&set_tg_reg);
-}
+++ /dev/null
-/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
- * Patrick Schaaf <bof@bof.de>
- * Martin Josefsson <gandalf@wlug.westbo.se>
- * Copyright (C) 2003-2004 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 version 2 as
- * published by the Free Software Foundation.
- */
-
-/* Shared library add-on to iptables to add IP set matching. */
-#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <ctype.h>
-#include <errno.h>
-
-#include <xtables.h>
-#include <linux/netfilter_ipv4/ipt_set.h>
-#include "libipt_set.h"
-
-static void set_help(void)
-{
- printf("set match options:\n"
- " [!] --match-set name flags\n"
- " 'name' is the set name from to match,\n"
- " 'flags' are the comma separated list of\n"
- " 'src' and 'dst' specifications.\n");
-}
-
-static const struct option set_opts[] = {
- { .name = "match-set", .has_arg = true, .val = '1'},
- { .name = "set", .has_arg = true, .val = '2'},
- { .name = NULL }
-};
-
-static void set_init(struct xt_entry_match *match)
-{
- struct ipt_set_info_match *info =
- (struct ipt_set_info_match *) match->data;
-
-
- memset(info, 0, sizeof(struct ipt_set_info_match));
-
-}
-
-static int set_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_match **match)
-{
- struct ipt_set_info_match *myinfo =
- (struct ipt_set_info_match *) (*match)->data;
- struct ipt_set_info *info = &myinfo->match_set;
-
- switch (c) {
- case '2':
-#if 0
- fprintf(stderr,
- "--set option deprecated, please use --match-set\n");
-#endif
- case '1': /* --match-set <set> <flag>[,<flag> */
- if (info->flags[0])
- xtables_error(PARAMETER_PROBLEM,
- "--match-set can be specified only once");
-
- xtables_check_inverse(optarg, &invert, &optind, 0, argv);
- if (invert)
- info->flags[0] |= IPSET_MATCH_INV;
-
- if (!argv[optind]
- || argv[optind][0] == '-'
- || argv[optind][0] == '!')
- xtables_error(PARAMETER_PROBLEM,
- "--match-set requires two args.");
-
- if (strlen(optarg) > IP_SET_MAXNAMELEN - 1)
- xtables_error(PARAMETER_PROBLEM,
- "setname `%s' too long, max %d characters.",
- optarg, IP_SET_MAXNAMELEN - 1);
-
- get_set_byname(optarg, info);
- parse_bindings(argv[optind], info);
- DEBUGP("parse: set index %u\n", info->index);
- optind++;
-
- *flags = 1;
- break;
-
- default:
- return 0;
- }
-
- return 1;
-}
-
-static void set_check(unsigned int flags)
-{
- if (!flags)
- xtables_error(PARAMETER_PROBLEM,
- "You must specify `--match-set' with proper arguments");
- DEBUGP("final check OK\n");
-}
-
-static void
-print_match(const char *prefix, const struct ipt_set_info *info)
-{
- int i;
- char setname[IP_SET_MAXNAMELEN];
-
- get_set_byid(setname, info->index);
- printf("%s%s %s",
- (info->flags[0] & IPSET_MATCH_INV) ? "! " : "",
- prefix,
- setname);
- for (i = 0; i < IP_SET_MAX_BINDINGS; i++) {
- if (!info->flags[i])
- break;
- printf("%s%s",
- i == 0 ? " " : ",",
- info->flags[i] & IPSET_SRC ? "src" : "dst");
- }
- printf(" ");
-}
-
-/* Prints out the matchinfo. */
-static void set_print(const void *ip, const struct xt_entry_match *match,
- int numeric)
-{
- const struct ipt_set_info_match *info = (const void *)match->data;
-
- print_match("match-set", &info->match_set);
-}
-
-static void set_save(const void *ip, const struct xt_entry_match *match)
-{
- const struct ipt_set_info_match *info = (const void *)match->data;
-
- print_match("--match-set", &info->match_set);
-}
-
-static struct xtables_match set_mt_reg = {
- .name = "set",
- .version = XTABLES_VERSION,
- .family = NFPROTO_IPV4,
- .size = XT_ALIGN(sizeof(struct ipt_set_info_match)),
- .userspacesize = XT_ALIGN(sizeof(struct ipt_set_info_match)),
- .help = set_help,
- .init = set_init,
- .parse = set_parse,
- .final_check = set_check,
- .print = set_print,
- .save = set_save,
- .extra_opts = set_opts,
-};
-
-void _init(void)
-{
- xtables_register_match(&set_mt_reg);
-}
+++ /dev/null
-#ifndef _LIBIPT_SET_H
-#define _LIBIPT_SET_H
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <errno.h>
-
-#ifdef DEBUG
-#define DEBUGP(x, args...) fprintf(stderr, x, ## args)
-#else
-#define DEBUGP(x, args...)
-#endif
-
-static void
-parse_bindings(const char *opt_arg, struct ipt_set_info *info)
-{
- char *saved = strdup(opt_arg);
- char *ptr, *tmp = saved;
- int i = 0;
-
- while (i < (IP_SET_MAX_BINDINGS - 1) && tmp != NULL) {
- ptr = strsep(&tmp, ",");
- if (strncmp(ptr, "src", 3) == 0)
- info->flags[i++] |= IPSET_SRC;
- else if (strncmp(ptr, "dst", 3) == 0)
- info->flags[i++] |= IPSET_DST;
- else
- xtables_error(PARAMETER_PROBLEM,
- "You must spefify (the comma separated list of) 'src' or 'dst'.");
- }
-
- if (tmp)
- xtables_error(PARAMETER_PROBLEM,
- "Can't follow bindings deeper than %i.",
- IP_SET_MAX_BINDINGS - 1);
-
- free(saved);
-}
-
-static int get_version(unsigned *version)
-{
- int res, sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
- struct ip_set_req_version req_version;
- socklen_t size = sizeof(req_version);
-
- if (sockfd < 0)
- xtables_error(OTHER_PROBLEM,
- "Can't open socket to ipset.\n");
-
- req_version.op = IP_SET_OP_VERSION;
- res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req_version, &size);
- if (res != 0)
- xtables_error(OTHER_PROBLEM,
- "Kernel module ip_set is not loaded in.\n");
-
- *version = req_version.version;
-
- return sockfd;
-}
-
-static void get_set_byname(const char *setname, struct ipt_set_info *info)
-{
- struct ip_set_req_get_set req;
- socklen_t size = sizeof(struct ip_set_req_get_set);
- int res, sockfd;
-
- sockfd = get_version(&req.version);
- req.op = IP_SET_OP_GET_BYNAME;
- strncpy(req.set.name, setname, IP_SET_MAXNAMELEN);
- req.set.name[IP_SET_MAXNAMELEN - 1] = '\0';
- res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req, &size);
- close(sockfd);
-
- if (res != 0)
- xtables_error(OTHER_PROBLEM,
- "Problem when communicating with ipset, errno=%d.\n",
- errno);
- if (size != sizeof(struct ip_set_req_get_set))
- xtables_error(OTHER_PROBLEM,
- "Incorrect return size from kernel during ipset lookup, "
- "(want %zu, got %zu)\n",
- sizeof(struct ip_set_req_get_set), (size_t)size);
- if (req.set.index == IP_SET_INVALID_ID)
- xtables_error(PARAMETER_PROBLEM,
- "Set %s doesn't exist.\n", setname);
-
- info->index = req.set.index;
-}
-
-static void get_set_byid(char * setname, ip_set_id_t idx)
-{
- struct ip_set_req_get_set req;
- socklen_t size = sizeof(struct ip_set_req_get_set);
- int res, sockfd;
-
- sockfd = get_version(&req.version);
- req.op = IP_SET_OP_GET_BYINDEX;
- req.set.index = idx;
- res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req, &size);
- close(sockfd);
-
- if (res != 0)
- xtables_error(OTHER_PROBLEM,
- "Problem when communicating with ipset, errno=%d.\n",
- errno);
- if (size != sizeof(struct ip_set_req_get_set))
- xtables_error(OTHER_PROBLEM,
- "Incorrect return size from kernel during ipset lookup, "
- "(want %zu, got %zu)\n",
- sizeof(struct ip_set_req_get_set), (size_t)size);
- if (req.set.name[0] == '\0')
- xtables_error(PARAMETER_PROBLEM,
- "Set id %i in kernel doesn't exist.\n", idx);
-
- strncpy(setname, req.set.name, IP_SET_MAXNAMELEN);
-}
-
-#endif /*_LIBIPT_SET_H*/
--- /dev/null
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
+ * Patrick Schaaf <bof@bof.de>
+ * Martin Josefsson <gandalf@wlug.westbo.se>
+ * Copyright (C) 2003-2010 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 version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* Shared library add-on to iptables to add IP set mangling target. */
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <ctype.h>
+
+#include <xtables.h>
+#include <linux/netfilter/xt_set.h>
+#include "libxt_set.h"
+
+static void
+set_target_help(void)
+{
+ printf("SET target options:\n"
+ " --add-set name flags\n"
+ " --del-set name flags\n"
+ " add/del src/dst IP/port from/to named sets,\n"
+ " where flags are the comma separated list of\n"
+ " 'src' and 'dst' specifications.\n");
+}
+
+static const struct option set_target_opts[] = {
+ { .name = "add-set", .has_arg = true, .val = '1'},
+ { .name = "del-set", .has_arg = true, .val = '2'},
+ { .name = NULL }
+};
+
+static void
+set_target_check(unsigned int flags)
+{
+ if (!flags)
+ xtables_error(PARAMETER_PROBLEM,
+ "You must specify either `--add-set' or `--del-set'");
+}
+
+static void
+set_target_init_v0(struct xt_entry_target *target)
+{
+ struct xt_set_info_target_v0 *info =
+ (struct xt_set_info_target_v0 *) target->data;
+
+ info->add_set.index =
+ info->del_set.index = IPSET_INVALID_ID;
+
+}
+
+static void
+parse_target_v0(char **argv, int invert, unsigned int *flags,
+ struct xt_set_info_v0 *info, const char *what)
+{
+ if (info->u.flags[0])
+ xtables_error(PARAMETER_PROBLEM,
+ "--%s can be specified only once", what);
+
+ if (xtables_check_inverse(optarg, &invert, NULL, 0, argv))
+ xtables_error(PARAMETER_PROBLEM,
+ "Unexpected `!' after --%s", what);
+
+ if (!argv[optind]
+ || argv[optind][0] == '-' || argv[optind][0] == '!')
+ xtables_error(PARAMETER_PROBLEM,
+ "--%s requires two args.", what);
+
+ if (strlen(optarg) > IPSET_MAXNAMELEN - 1)
+ xtables_error(PARAMETER_PROBLEM,
+ "setname `%s' too long, max %d characters.",
+ optarg, IPSET_MAXNAMELEN - 1);
+
+ get_set_byname(optarg, (struct xt_set_info *)info);
+ parse_dirs_v0(argv[optind], info);
+ optind++;
+
+ *flags = 1;
+}
+
+static int
+set_target_parse_v0(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_target **target)
+{
+ struct xt_set_info_target_v0 *myinfo =
+ (struct xt_set_info_target_v0 *) (*target)->data;
+
+ switch (c) {
+ case '1': /* --add-set <set> <flags> */
+ parse_target_v0(argv, invert, flags,
+ &myinfo->add_set, "add-set");
+ break;
+ case '2': /* --del-set <set>[:<flags>] <flags> */
+ parse_target_v0(argv, invert, flags,
+ &myinfo->del_set, "del-set");
+ break;
+
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+static void
+print_target_v0(const char *prefix, const struct xt_set_info_v0 *info)
+{
+ int i;
+ char setname[IPSET_MAXNAMELEN];
+
+ if (info->index == IPSET_INVALID_ID)
+ return;
+ get_set_byid(setname, info->index);
+ printf("%s %s", prefix, setname);
+ for (i = 0; i < IPSET_DIM_MAX; i++) {
+ if (!info->u.flags[i])
+ break;
+ printf("%s%s",
+ i == 0 ? " " : ",",
+ info->u.flags[i] & IPSET_SRC ? "src" : "dst");
+ }
+ printf(" ");
+}
+
+static void
+set_target_print_v0(const void *ip, const struct xt_entry_target *target,
+ int numeric)
+{
+ const struct xt_set_info_target_v0 *info = (const void *)target->data;
+
+ print_target_v0("add-set", &info->add_set);
+ print_target_v0("del-set", &info->del_set);
+}
+
+static void
+set_target_save_v0(const void *ip, const struct xt_entry_target *target)
+{
+ const struct xt_set_info_target_v0 *info = (const void *)target->data;
+
+ print_target_v0("--add-set", &info->add_set);
+ print_target_v0("--del-set", &info->del_set);
+}
+
+static void
+set_target_init(struct xt_entry_target *target)
+{
+ struct xt_set_info_target *info =
+ (struct xt_set_info_target *) target->data;
+
+ info->add_set.index =
+ info->del_set.index = IPSET_INVALID_ID;
+
+}
+
+static void
+parse_target(char **argv, int invert, unsigned int *flags,
+ struct xt_set_info *info, const char *what)
+{
+ if (info->dim)
+ xtables_error(PARAMETER_PROBLEM,
+ "--%s can be specified only once", what);
+
+ if (xtables_check_inverse(optarg, &invert, NULL, 0, argv))
+ xtables_error(PARAMETER_PROBLEM,
+ "Unexpected `!' after --%s", what);
+
+ if (!argv[optind]
+ || argv[optind][0] == '-' || argv[optind][0] == '!')
+ xtables_error(PARAMETER_PROBLEM,
+ "--%s requires two args.", what);
+
+ if (strlen(optarg) > IPSET_MAXNAMELEN - 1)
+ xtables_error(PARAMETER_PROBLEM,
+ "setname `%s' too long, max %d characters.",
+ optarg, IPSET_MAXNAMELEN - 1);
+
+ get_set_byname(optarg, info);
+ parse_dirs(argv[optind], info);
+ optind++;
+
+ *flags = 1;
+}
+
+static int
+set_target_parse(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_target **target)
+{
+ struct xt_set_info_target *myinfo =
+ (struct xt_set_info_target *) (*target)->data;
+
+ switch (c) {
+ case '1': /* --add-set <set> <flags> */
+ parse_target(argv, invert, flags,
+ &myinfo->add_set, "add-set");
+ break;
+ case '2': /* --del-set <set>[:<flags>] <flags> */
+ parse_target(argv, invert, flags,
+ &myinfo->del_set, "del-set");
+ break;
+
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+static void
+print_target(const char *prefix, const struct xt_set_info *info)
+{
+ int i;
+ char setname[IPSET_MAXNAMELEN];
+
+ if (info->index == IPSET_INVALID_ID)
+ return;
+ get_set_byid(setname, info->index);
+ printf("%s %s", prefix, setname);
+ for (i = 1; i <= IPSET_DIM_MAX; i++) {
+ printf("%s%s",
+ i == 1 ? " " : ",",
+ info->flags & (1 << i) ? "src" : "dst");
+ }
+ printf(" ");
+}
+
+static void
+set_target_print(const void *ip, const struct xt_entry_target *target,
+ int numeric)
+{
+ const struct xt_set_info_target *info = (const void *)target->data;
+
+ print_target("add-set", &info->add_set);
+ print_target("del-set", &info->del_set);
+}
+
+static void
+set_target_save(const void *ip, const struct xt_entry_target *target)
+{
+ const struct xt_set_info_target *info = (const void *)target->data;
+
+ print_target("--add-set", &info->add_set);
+ print_target("--del-set", &info->del_set);
+}
+
+static struct xtables_target set_tg_reg[] = {
+ {
+ .name = "SET",
+ .revision = 0,
+ .version = XTABLES_VERSION,
+ .family = NFPROTO_IPV4,
+ .size = XT_ALIGN(sizeof(struct xt_set_info_target_v0)),
+ .userspacesize = XT_ALIGN(sizeof(struct xt_set_info_target_v0)),
+ .help = set_target_help,
+ .init = set_target_init_v0,
+ .parse = set_target_parse_v0,
+ .final_check = set_target_check,
+ .print = set_target_print_v0,
+ .save = set_target_save_v0,
+ .extra_opts = set_target_opts,
+ },
+ {
+ .name = "SET",
+ .revision = 1,
+ .version = XTABLES_VERSION,
+ .family = NFPROTO_UNSPEC,
+ .size = XT_ALIGN(sizeof(struct xt_set_info_target)),
+ .userspacesize = XT_ALIGN(sizeof(struct xt_set_info_target)),
+ .help = set_target_help,
+ .init = set_target_init,
+ .parse = set_target_parse,
+ .final_check = set_target_check,
+ .print = set_target_print,
+ .save = set_target_save,
+ .extra_opts = set_target_opts,
+ },
+};
+
+void _init(void)
+{
+ xtables_register_targets(set_tg_reg, ARRAY_SIZE(set_tg_reg));
+}
--- /dev/null
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
+ * Patrick Schaaf <bof@bof.de>
+ * Martin Josefsson <gandalf@wlug.westbo.se>
+ * Copyright (C) 2003-2010 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 version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* Shared library add-on to iptables to add IP set matching. */
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include <xtables.h>
+#include <linux/netfilter/xt_set.h>
+#include "libxt_set.h"
+
+static void
+set_help(void)
+{
+ printf("set match options:\n"
+ " [!] --match-set name flags\n"
+ " 'name' is the set name from to match,\n"
+ " 'flags' are the comma separated list of\n"
+ " 'src' and 'dst' specifications.\n");
+}
+
+static const struct option set_opts[] = {
+ { .name = "match-set", .has_arg = true, .val = '1'},
+ { .name = "set", .has_arg = true, .val = '2'},
+ { .name = NULL }
+};
+
+static void
+set_check(unsigned int flags)
+{
+ if (!flags)
+ xtables_error(PARAMETER_PROBLEM,
+ "You must specify `--match-set' with proper arguments");
+}
+
+static int
+set_parse_v0(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_match **match)
+{
+ struct xt_set_info_match_v0 *myinfo =
+ (struct xt_set_info_match_v0 *) (*match)->data;
+ struct xt_set_info_v0 *info = &myinfo->match_set;
+
+ switch (c) {
+ case '2':
+ fprintf(stderr,
+ "--set option deprecated, please use --match-set\n");
+ case '1': /* --match-set <set> <flag>[,<flag> */
+ if (info->u.flags[0])
+ xtables_error(PARAMETER_PROBLEM,
+ "--match-set can be specified only once");
+
+ xtables_check_inverse(optarg, &invert, &optind, 0, argv);
+ if (invert)
+ info->u.flags[0] |= IPSET_MATCH_INV;
+
+ if (!argv[optind]
+ || argv[optind][0] == '-'
+ || argv[optind][0] == '!')
+ xtables_error(PARAMETER_PROBLEM,
+ "--match-set requires two args.");
+
+ if (strlen(optarg) > IPSET_MAXNAMELEN - 1)
+ xtables_error(PARAMETER_PROBLEM,
+ "setname `%s' too long, max %d characters.",
+ optarg, IPSET_MAXNAMELEN - 1);
+
+ get_set_byname(optarg, (struct xt_set_info *)info);
+ parse_dirs_v0(argv[optind], info);
+ DEBUGP("parse: set index %u\n", info->index);
+ optind++;
+
+ *flags = 1;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static void
+print_match_v0(const char *prefix, const struct xt_set_info_v0 *info)
+{
+ int i;
+ char setname[IPSET_MAXNAMELEN];
+
+ get_set_byid(setname, info->index);
+ printf("%s%s %s",
+ (info->u.flags[0] & IPSET_MATCH_INV) ? "! " : "",
+ prefix,
+ setname);
+ for (i = 0; i < IPSET_DIM_MAX; i++) {
+ if (!info->u.flags[i])
+ break;
+ printf("%s%s",
+ i == 0 ? " " : ",",
+ info->u.flags[i] & IPSET_SRC ? "src" : "dst");
+ }
+ printf(" ");
+}
+
+/* Prints out the matchinfo. */
+static void
+set_print_v0(const void *ip, const struct xt_entry_match *match, int numeric)
+{
+ const struct xt_set_info_match_v0 *info = (const void *)match->data;
+
+ print_match_v0("match-set", &info->match_set);
+}
+
+static void
+set_save_v0(const void *ip, const struct xt_entry_match *match)
+{
+ const struct xt_set_info_match_v0 *info = (const void *)match->data;
+
+ print_match_v0("--match-set", &info->match_set);
+}
+
+static int
+set_parse(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_match **match)
+{
+ struct xt_set_info_match *myinfo =
+ (struct xt_set_info_match *) (*match)->data;
+ struct xt_set_info *info = &myinfo->match_set;
+
+ switch (c) {
+ case '2':
+ fprintf(stderr,
+ "--set option deprecated, please use --match-set\n");
+ case '1': /* --match-set <set> <flag>[,<flag> */
+ if (info->dim)
+ xtables_error(PARAMETER_PROBLEM,
+ "--match-set can be specified only once");
+
+ xtables_check_inverse(optarg, &invert, &optind, 0, argv);
+ if (invert)
+ info->flags |= IPSET_INV_MATCH;
+
+ if (!argv[optind]
+ || argv[optind][0] == '-'
+ || argv[optind][0] == '!')
+ xtables_error(PARAMETER_PROBLEM,
+ "--match-set requires two args.");
+
+ if (strlen(optarg) > IPSET_MAXNAMELEN - 1)
+ xtables_error(PARAMETER_PROBLEM,
+ "setname `%s' too long, max %d characters.",
+ optarg, IPSET_MAXNAMELEN - 1);
+
+ get_set_byname(optarg, info);
+ parse_dirs(argv[optind], info);
+ DEBUGP("parse: set index %u\n", info->index);
+ optind++;
+
+ *flags = 1;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static void
+print_match(const char *prefix, const struct xt_set_info *info)
+{
+ int i;
+ char setname[IPSET_MAXNAMELEN];
+
+ get_set_byid(setname, info->index);
+ printf("%s%s %s",
+ (info->flags & IPSET_INV_MATCH) ? "! " : "",
+ prefix,
+ setname);
+ for (i = 1; i <= info->dim; i++) {
+ printf("%s%s",
+ i == 1 ? " " : ",",
+ info->flags & (1 << i) ? "src" : "dst");
+ }
+ printf(" ");
+}
+
+/* Prints out the matchinfo. */
+static void
+set_print(const void *ip, const struct xt_entry_match *match, int numeric)
+{
+ const struct xt_set_info_match *info = (const void *)match->data;
+
+ print_match("match-set", &info->match_set);
+}
+
+static void
+set_save(const void *ip, const struct xt_entry_match *match)
+{
+ const struct xt_set_info_match *info = (const void *)match->data;
+
+ print_match("--match-set", &info->match_set);
+}
+
+static struct xtables_match set_mt_reg[] = {
+ {
+ .name = "set",
+ .revision = 0,
+ .version = XTABLES_VERSION,
+ .family = NFPROTO_IPV4,
+ .size = XT_ALIGN(sizeof(struct xt_set_info_match_v0)),
+ .userspacesize = XT_ALIGN(sizeof(struct xt_set_info_match_v0)),
+ .help = set_help,
+ .parse = set_parse_v0,
+ .final_check = set_check,
+ .print = set_print_v0,
+ .save = set_save_v0,
+ .extra_opts = set_opts,
+ },
+ {
+ .name = "set",
+ .revision = 1,
+ .version = XTABLES_VERSION,
+ .family = NFPROTO_UNSPEC,
+ .size = XT_ALIGN(sizeof(struct xt_set_info_match)),
+ .userspacesize = XT_ALIGN(sizeof(struct xt_set_info_match)),
+ .help = set_help,
+ .parse = set_parse,
+ .final_check = set_check,
+ .print = set_print,
+ .save = set_save,
+ .extra_opts = set_opts,
+ },
+};
+
+void _init(void)
+{
+ xtables_register_matches(set_mt_reg, ARRAY_SIZE(set_mt_reg));
+}
--- /dev/null
+#ifndef _LIBXT_SET_H
+#define _LIBXT_SET_H
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <errno.h>
+
+#ifdef DEBUG
+#define DEBUGP(x, args...) fprintf(stderr, x , ## args)
+#else
+#define DEBUGP(x, args...)
+#endif
+
+static int
+get_version(unsigned *version)
+{
+ int res, sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
+ struct ip_set_req_version req_version;
+ socklen_t size = sizeof(req_version);
+
+ if (sockfd < 0)
+ xtables_error(OTHER_PROBLEM,
+ "Can't open socket to ipset.\n");
+
+ req_version.op = IP_SET_OP_VERSION;
+ res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req_version, &size);
+ if (res != 0)
+ xtables_error(OTHER_PROBLEM,
+ "Kernel module xt_set is not loaded in.\n");
+
+ *version = req_version.version;
+
+ return sockfd;
+}
+
+static void
+get_set_byid(char *setname, ip_set_id_t idx)
+{
+ struct ip_set_req_get_set req;
+ socklen_t size = sizeof(struct ip_set_req_get_set);
+ int res, sockfd;
+
+ sockfd = get_version(&req.version);
+ req.op = IP_SET_OP_GET_BYINDEX;
+ req.set.index = idx;
+ res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req, &size);
+ close(sockfd);
+
+ if (res != 0)
+ xtables_error(OTHER_PROBLEM,
+ "Problem when communicating with ipset, errno=%d.\n",
+ errno);
+ if (size != sizeof(struct ip_set_req_get_set))
+ xtables_error(OTHER_PROBLEM,
+ "Incorrect return size from kernel during ipset lookup, "
+ "(want %zu, got %zu)\n",
+ sizeof(struct ip_set_req_get_set), (size_t)size);
+ if (req.set.name[0] == '\0')
+ xtables_error(PARAMETER_PROBLEM,
+ "Set with index %i in kernel doesn't exist.\n", idx);
+
+ strncpy(setname, req.set.name, IPSET_MAXNAMELEN);
+}
+
+static void
+get_set_byname(const char *setname, struct xt_set_info *info)
+{
+ struct ip_set_req_get_set req;
+ socklen_t size = sizeof(struct ip_set_req_get_set);
+ int res, sockfd;
+
+ sockfd = get_version(&req.version);
+ req.op = IP_SET_OP_GET_BYNAME;
+ strncpy(req.set.name, setname, IPSET_MAXNAMELEN);
+ req.set.name[IPSET_MAXNAMELEN - 1] = '\0';
+ res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req, &size);
+ close(sockfd);
+
+ if (res != 0)
+ xtables_error(OTHER_PROBLEM,
+ "Problem when communicating with ipset, errno=%d.\n",
+ errno);
+ if (size != sizeof(struct ip_set_req_get_set))
+ xtables_error(OTHER_PROBLEM,
+ "Incorrect return size from kernel during ipset lookup, "
+ "(want %zu, got %zu)\n",
+ sizeof(struct ip_set_req_get_set), (size_t)size);
+ if (req.set.index == IPSET_INVALID_ID)
+ xtables_error(PARAMETER_PROBLEM,
+ "Set %s doesn't exist.\n", setname);
+
+ info->index = req.set.index;
+}
+
+static void
+parse_dirs_v0(const char *opt_arg, struct xt_set_info_v0 *info)
+{
+ char *saved = strdup(opt_arg);
+ char *ptr, *tmp = saved;
+ int i = 0;
+
+ while (i < (IPSET_DIM_MAX - 1) && tmp != NULL) {
+ ptr = strsep(&tmp, ",");
+ if (strncmp(ptr, "src", 3) == 0)
+ info->u.flags[i++] |= IPSET_SRC;
+ else if (strncmp(ptr, "dst", 3) == 0)
+ info->u.flags[i++] |= IPSET_DST;
+ else
+ xtables_error(PARAMETER_PROBLEM,
+ "You must spefify (the comma separated list of) 'src' or 'dst'.");
+ }
+
+ if (tmp)
+ xtables_error(PARAMETER_PROBLEM,
+ "Can't be more src/dst options than %i.",
+ IPSET_DIM_MAX - 1);
+
+ free(saved);
+}
+
+static void
+parse_dirs(const char *opt_arg, struct xt_set_info *info)
+{
+ char *saved = strdup(opt_arg);
+ char *ptr, *tmp = saved;
+ int i = 0;
+
+ while (i < (IPSET_DIM_MAX - 1) && tmp != NULL) {
+ info->dim++;
+ ptr = strsep(&tmp, ",");
+ if (strncmp(ptr, "src", 3) == 0)
+ info->flags |= (1 << info->dim);
+ else if (strncmp(ptr, "dst", 3) != 0)
+ xtables_error(PARAMETER_PROBLEM,
+ "You must spefify (the comma separated list of) 'src' or 'dst'.");
+ }
+
+ if (tmp)
+ xtables_error(PARAMETER_PROBLEM,
+ "Can't be more src/dst options than %i.",
+ IPSET_DIM_MAX - 1);
+
+ free(saved);
+}
+
+#endif /*_LIBXT_SET_H*/
--- /dev/null
+#ifndef _XT_SET_H
+#define _XT_SET_H
+
+/* The protocol version */
+#define IPSET_PROTOCOL 5
+
+/* The max length of strings including NUL: set and type identifiers */
+#define IPSET_MAXNAMELEN 32
+
+/* Sets are identified by an index in kernel space. Tweak with ip_set_id_t
+ * and IPSET_INVALID_ID if you want to increase the max number of sets.
+ */
+typedef uint16_t ip_set_id_t;
+
+#define IPSET_INVALID_ID 65535
+
+enum ip_set_dim {
+ IPSET_DIM_ZERO = 0,
+ IPSET_DIM_ONE,
+ IPSET_DIM_TWO,
+ IPSET_DIM_THREE,
+ /* Max dimension in elements.
+ * If changed, new revision of iptables match/target is required.
+ */
+ IPSET_DIM_MAX = 6,
+};
+
+/* Option flags for kernel operations */
+enum ip_set_kopt {
+ IPSET_INV_MATCH = (1 << IPSET_DIM_ZERO),
+ IPSET_DIM_ONE_SRC = (1 << IPSET_DIM_ONE),
+ IPSET_DIM_TWO_SRC = (1 << IPSET_DIM_TWO),
+ IPSET_DIM_THREE_SRC = (1 << IPSET_DIM_THREE),
+};
+
+/* Interface to iptables/ip6tables */
+
+#define SO_IP_SET 83
+
+union ip_set_name_index {
+ char name[IPSET_MAXNAMELEN];
+ ip_set_id_t index;
+};
+
+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
+struct ip_set_req_get_set {
+ unsigned op;
+ unsigned version;
+ union ip_set_name_index set;
+};
+
+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
+/* Uses ip_set_req_get_set */
+
+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
+struct ip_set_req_version {
+ unsigned op;
+ unsigned version;
+};
+
+/* Revision 0 interface: backward compatible with netfilter/iptables */
+
+/*
+ * Option flags for kernel operations (xt_set_info_v0)
+ */
+#define IPSET_SRC 0x01 /* Source match/add */
+#define IPSET_DST 0x02 /* Destination match/add */
+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
+
+struct xt_set_info_v0 {
+ ip_set_id_t index;
+ union {
+ u_int32_t flags[IPSET_DIM_MAX + 1];
+ struct {
+ u_int32_t __flags[IPSET_DIM_MAX];
+ u_int8_t dim;
+ u_int8_t flags;
+ } compat;
+ } u;
+};
+
+/* match and target infos */
+struct xt_set_info_match_v0 {
+ struct xt_set_info_v0 match_set;
+};
+
+struct xt_set_info_target_v0 {
+ struct xt_set_info_v0 add_set;
+ struct xt_set_info_v0 del_set;
+};
+
+/* Revision 1: current interface to netfilter/iptables */
+
+struct xt_set_info {
+ ip_set_id_t index;
+ u_int8_t dim;
+ u_int8_t flags;
+};
+
+/* match and target infos */
+struct xt_set_info_match {
+ struct xt_set_info match_set;
+};
+
+struct xt_set_info_target {
+ struct xt_set_info add_set;
+ struct xt_set_info del_set;
+};
+
+#endif /*_XT_SET_H*/
+++ /dev/null
-#ifndef _IP_SET_H
-#define _IP_SET_H
-
-/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
- * Patrick Schaaf <bof@bof.de>
- * Martin Josefsson <gandalf@wlug.westbo.se>
- * Copyright (C) 2003-2004 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 version 2 as
- * published by the Free Software Foundation.
- */
-
-#if 0
-#define IP_SET_DEBUG
-#endif
-
-/*
- * A sockopt of such quality has hardly ever been seen before on the open
- * market! This little beauty, hardly ever used: above 64, so it's
- * traditionally used for firewalling, not touched (even once!) by the
- * 2.0, 2.2 and 2.4 kernels!
- *
- * Comes with its own certificate of authenticity, valid anywhere in the
- * Free world!
- *
- * Rusty, 19.4.2000
- */
-#define SO_IP_SET 83
-
-/*
- * Heavily modify by Joakim Axelsson 08.03.2002
- * - Made it more modulebased
- *
- * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
- * - bindings added
- * - in order to "deal with" backward compatibility, renamed to ipset
- */
-
-/*
- * Used so that the kernel module and ipset-binary can match their versions
- */
-#define IP_SET_PROTOCOL_VERSION 2
-
-#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-
-/* Lets work with our own typedef for representing an IP address.
- * We hope to make the code more portable, possibly to IPv6...
- *
- * The representation works in HOST byte order, because most set types
- * will perform arithmetic operations and compare operations.
- *
- * For now the type is an uint32_t.
- *
- * Make sure to ONLY use the functions when translating and parsing
- * in order to keep the host byte order and make it more portable:
- * parse_ip()
- * parse_mask()
- * parse_ipandmask()
- * ip_tostring()
- * (Joakim: where are they???)
- */
-
-typedef uint32_t ip_set_ip_t;
-
-/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
- * and IP_SET_INVALID_ID if you want to increase the max number of sets.
- */
-typedef uint16_t ip_set_id_t;
-
-#define IP_SET_INVALID_ID 65535
-
-/* How deep we follow bindings */
-#define IP_SET_MAX_BINDINGS 6
-
-/*
- * Option flags for kernel operations (ipt_set_info)
- */
-#define IPSET_SRC 0x01 /* Source match/add */
-#define IPSET_DST 0x02 /* Destination match/add */
-#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-
-/*
- * Set features
- */
-#define IPSET_TYPE_IP 0x01 /* IP address type of set */
-#define IPSET_TYPE_PORT 0x02 /* Port type of set */
-#define IPSET_DATA_SINGLE 0x04 /* Single data storage */
-#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */
-
-/* Reserved keywords */
-#define IPSET_TOKEN_DEFAULT ":default:"
-#define IPSET_TOKEN_ALL ":all:"
-
-/* SO_IP_SET operation constants, and their request struct types.
- *
- * Operation ids:
- * 0-99: commands with version checking
- * 100-199: add/del/test/bind/unbind
- * 200-299: list, save, restore
- */
-
-/* Single shot operations:
- * version, create, destroy, flush, rename and swap
- *
- * Sets are identified by name.
- */
-
-#define IP_SET_REQ_STD \
- unsigned op; \
- unsigned version; \
- char name[IP_SET_MAXNAMELEN]
-
-#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-struct ip_set_req_create {
- IP_SET_REQ_STD;
- char typename[IP_SET_MAXNAMELEN];
-};
-
-#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-struct ip_set_req_std {
- IP_SET_REQ_STD;
-};
-
-#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-/* Uses ip_set_req_std */
-
-#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-/* Uses ip_set_req_create */
-
-#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-/* Uses ip_set_req_create */
-
-union ip_set_name_index {
- char name[IP_SET_MAXNAMELEN];
- ip_set_id_t index;
-};
-
-#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-struct ip_set_req_get_set {
- unsigned op;
- unsigned version;
- union ip_set_name_index set;
-};
-
-#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-/* Uses ip_set_req_get_set */
-
-#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-struct ip_set_req_version {
- unsigned op;
- unsigned version;
-};
-
-/* Double shots operations:
- * add, del, test, bind and unbind.
- *
- * First we query the kernel to get the index and type of the target set,
- * then issue the command. Validity of IP is checked in kernel in order
- * to minimalize sockopt operations.
- */
-
-/* Get minimal set data for add/del/test/bind/unbind IP */
-#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-struct ip_set_req_adt_get {
- unsigned op;
- unsigned version;
- union ip_set_name_index set;
- char typename[IP_SET_MAXNAMELEN];
-};
-
-#define IP_SET_REQ_BYINDEX \
- unsigned op; \
- ip_set_id_t index;
-
-struct ip_set_req_adt {
- IP_SET_REQ_BYINDEX;
-};
-
-#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-/* Uses ip_set_req_adt, with type specific addage */
-
-#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-/* Uses ip_set_req_adt, with type specific addage */
-
-#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-/* Uses ip_set_req_adt, with type specific addage */
-
-#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-/* Uses ip_set_req_bind, with type specific addage */
-struct ip_set_req_bind {
- IP_SET_REQ_BYINDEX;
- char binding[IP_SET_MAXNAMELEN];
-};
-
-#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-/* Uses ip_set_req_bind, with type speficic addage
- * index = 0 means unbinding for all sets */
-
-#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-/* Uses ip_set_req_bind, with type specific addage */
-
-/* Multiple shots operations: list, save, restore.
- *
- * - check kernel version and query the max number of sets
- * - get the basic information on all sets
- * and size required for the next step
- * - get actual set data: header, data, bindings
- */
-
-/* Get max_sets and the index of a queried set
- */
-#define IP_SET_OP_MAX_SETS 0x00000020
-struct ip_set_req_max_sets {
- unsigned op;
- unsigned version;
- ip_set_id_t max_sets; /* max_sets */
- ip_set_id_t sets; /* real number of sets */
- union ip_set_name_index set; /* index of set if name used */
-};
-
-/* Get the id and name of the sets plus size for next step */
-#define IP_SET_OP_LIST_SIZE 0x00000201
-#define IP_SET_OP_SAVE_SIZE 0x00000202
-struct ip_set_req_setnames {
- unsigned op;
- ip_set_id_t index; /* set to list/save */
- size_t size; /* size to get setdata/bindings */
- /* followed by sets number of struct ip_set_name_list */
-};
-
-struct ip_set_name_list {
- char name[IP_SET_MAXNAMELEN];
- char typename[IP_SET_MAXNAMELEN];
- ip_set_id_t index;
- ip_set_id_t id;
-};
-
-/* The actual list operation */
-#define IP_SET_OP_LIST 0x00000203
-struct ip_set_req_list {
- IP_SET_REQ_BYINDEX;
- /* sets number of struct ip_set_list in reply */
-};
-
-struct ip_set_list {
- ip_set_id_t index;
- ip_set_id_t binding;
- u_int32_t ref;
- size_t header_size; /* Set header data of header_size */
- size_t members_size; /* Set members data of members_size */
- size_t bindings_size; /* Set bindings data of bindings_size */
-};
-
-struct ip_set_hash_list {
- ip_set_ip_t ip;
- ip_set_id_t binding;
-};
-
-/* The save operation */
-#define IP_SET_OP_SAVE 0x00000204
-/* Uses ip_set_req_list, in the reply replaced by
- * sets number of struct ip_set_save plus a marker
- * ip_set_save followed by ip_set_hash_save structures.
- */
-struct ip_set_save {
- ip_set_id_t index;
- ip_set_id_t binding;
- size_t header_size; /* Set header data of header_size */
- size_t members_size; /* Set members data of members_size */
-};
-
-/* At restoring, ip == 0 means default binding for the given set: */
-struct ip_set_hash_save {
- ip_set_ip_t ip;
- ip_set_id_t id;
- ip_set_id_t binding;
-};
-
-/* The restore operation */
-#define IP_SET_OP_RESTORE 0x00000205
-/* Uses ip_set_req_setnames followed by ip_set_restore structures
- * plus a marker ip_set_restore, followed by ip_set_hash_save
- * structures.
- */
-struct ip_set_restore {
- char name[IP_SET_MAXNAMELEN];
- char typename[IP_SET_MAXNAMELEN];
- ip_set_id_t index;
- size_t header_size; /* Create data of header_size */
- size_t members_size; /* Set members data of members_size */
-};
-
-static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-{
- return 4 * ((((b - a + 8) / 8) + 3) / 4);
-}
-
-#ifdef __KERNEL__
-
-#define ip_set_printk(format, args...) \
- do { \
- printk("%s: %s: ", __FILE__, __FUNCTION__); \
- printk(format "\n" , ## args); \
- } while (0)
-
-#if defined(IP_SET_DEBUG)
-#define DP(format, args...) \
- do { \
- printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
- printk(format "\n" , ## args); \
- } while (0)
-#define IP_SET_ASSERT(x) \
- do { \
- if (!(x)) \
- printk("IP_SET_ASSERT: %s:%i(%s)\n", \
- __FILE__, __LINE__, __FUNCTION__); \
- } while (0)
-#else
-#define DP(format, args...)
-#define IP_SET_ASSERT(x)
-#endif
-
-struct ip_set;
-
-/*
- * The ip_set_type definition - one per set type, e.g. "ipmap".
- *
- * Each individual set has a pointer, set->type, going to one
- * of these structures. Function pointers inside the structure implement
- * the real behaviour of the sets.
- *
- * If not mentioned differently, the implementation behind the function
- * pointers of a set_type, is expected to return 0 if ok, and a negative
- * errno (e.g. -EINVAL) on error.
- */
-struct ip_set_type {
- struct list_head list; /* next in list of set types */
-
- /* test for IP in set (kernel: iptables -m set src|dst)
- * return 0 if not in set, 1 if in set.
- */
- int (*testip_kernel) (struct ip_set *set,
- const struct sk_buff * skb,
- ip_set_ip_t *ip,
- const u_int32_t *flags,
- unsigned char index);
-
- /* test for IP in set (userspace: ipset -T set IP)
- * return 0 if not in set, 1 if in set.
- */
- int (*testip) (struct ip_set *set,
- const void *data, size_t size,
- ip_set_ip_t *ip);
-
- /*
- * Size of the data structure passed by when
- * adding/deletin/testing an entry.
- */
- size_t reqsize;
-
- /* Add IP into set (userspace: ipset -A set IP)
- * Return -EEXIST if the address is already in the set,
- * and -ERANGE if the address lies outside the set bounds.
- * If the address was not already in the set, 0 is returned.
- */
- int (*addip) (struct ip_set *set,
- const void *data, size_t size,
- ip_set_ip_t *ip);
-
- /* Add IP into set (kernel: iptables ... -j SET set src|dst)
- * Return -EEXIST if the address is already in the set,
- * and -ERANGE if the address lies outside the set bounds.
- * If the address was not already in the set, 0 is returned.
- */
- int (*addip_kernel) (struct ip_set *set,
- const struct sk_buff * skb,
- ip_set_ip_t *ip,
- const u_int32_t *flags,
- unsigned char index);
-
- /* remove IP from set (userspace: ipset -D set --entry x)
- * Return -EEXIST if the address is NOT in the set,
- * and -ERANGE if the address lies outside the set bounds.
- * If the address really was in the set, 0 is returned.
- */
- int (*delip) (struct ip_set *set,
- const void *data, size_t size,
- ip_set_ip_t *ip);
-
- /* remove IP from set (kernel: iptables ... -j SET --entry x)
- * Return -EEXIST if the address is NOT in the set,
- * and -ERANGE if the address lies outside the set bounds.
- * If the address really was in the set, 0 is returned.
- */
- int (*delip_kernel) (struct ip_set *set,
- const struct sk_buff * skb,
- ip_set_ip_t *ip,
- const u_int32_t *flags,
- unsigned char index);
-
- /* new set creation - allocated type specific items
- */
- int (*create) (struct ip_set *set,
- const void *data, size_t size);
-
- /* retry the operation after successfully tweaking the set
- */
- int (*retry) (struct ip_set *set);
-
- /* set destruction - free type specific items
- * There is no return value.
- * Can be called only when child sets are destroyed.
- */
- void (*destroy) (struct ip_set *set);
-
- /* set flushing - reset all bits in the set, or something similar.
- * There is no return value.
- */
- void (*flush) (struct ip_set *set);
-
- /* Listing: size needed for header
- */
- size_t header_size;
-
- /* Listing: Get the header
- *
- * Fill in the information in "data".
- * This function is always run after list_header_size() under a
- * writelock on the set. Therefor is the length of "data" always
- * correct.
- */
- void (*list_header) (const struct ip_set *set,
- void *data);
-
- /* Listing: Get the size for the set members
- */
- int (*list_members_size) (const struct ip_set *set);
-
- /* Listing: Get the set members
- *
- * Fill in the information in "data".
- * This function is always run after list_member_size() under a
- * writelock on the set. Therefor is the length of "data" always
- * correct.
- */
- void (*list_members) (const struct ip_set *set,
- void *data);
-
- char typename[IP_SET_MAXNAMELEN];
- unsigned char features;
- int protocol_version;
-
- /* Set this to THIS_MODULE if you are a module, otherwise NULL */
- struct module *me;
-};
-
-extern int ip_set_register_set_type(struct ip_set_type *set_type);
-extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-
-/* A generic ipset */
-struct ip_set {
- char name[IP_SET_MAXNAMELEN]; /* the name of the set */
- rwlock_t lock; /* lock for concurrency control */
- ip_set_id_t id; /* set id for swapping */
- ip_set_id_t binding; /* default binding for the set */
- atomic_t ref; /* in kernel and in hash references */
- struct ip_set_type *type; /* the set types */
- void *data; /* pooltype specific data */
-};
-
-/* Structure to bind set elements to sets */
-struct ip_set_hash {
- struct list_head list; /* list of clashing entries in hash */
- ip_set_ip_t ip; /* ip from set */
- ip_set_id_t id; /* set id */
- ip_set_id_t binding; /* set we bind the element to */
-};
-
-/* register and unregister set references */
-extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-extern ip_set_id_t ip_set_get_byindex(ip_set_id_t id);
-extern void ip_set_put(ip_set_id_t id);
-
-/* API for iptables set match, and SET target */
-extern void ip_set_addip_kernel(ip_set_id_t id,
- const struct sk_buff *skb,
- const u_int32_t *flags);
-extern void ip_set_delip_kernel(ip_set_id_t id,
- const struct sk_buff *skb,
- const u_int32_t *flags);
-extern int ip_set_testip_kernel(ip_set_id_t id,
- const struct sk_buff *skb,
- const u_int32_t *flags);
-
-#endif /* __KERNEL__ */
-
-#endif /*_IP_SET_H*/
+++ /dev/null
-#ifndef _IPT_SET_H
-#define _IPT_SET_H
-
-#include <linux/netfilter_ipv4/ip_set.h>
-
-struct ipt_set_info {
- ip_set_id_t index;
- u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-};
-
-/* match info */
-struct ipt_set_info_match {
- struct ipt_set_info match_set;
-};
-
-struct ipt_set_info_target {
- struct ipt_set_info add_set;
- struct ipt_set_info del_set;
-};
-
-#endif /*_IPT_SET_H*/
projects / thirdparty / iptables.git / commitdiff
