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git://git.code.sf.net/p/xtables-addons/xtables-addons
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ipset: move ipset to ipset-4
This commit is contained in:
Jan Engelhardt
200
extensions/ipset-4/ipset.h
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200
extensions/ipset-4/ipset.h
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#ifndef __IPSET_H
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#define __IPSET_H
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/* Copyright 2000-2004 Joakim Axelsson (gozem@linux.nu)
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* Patrick Schaaf (bof@bof.de)
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* 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 <getopt.h> /* struct option */
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#include <stdint.h>
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#include <sys/types.h>
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#include "ip_set.h"
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#define IPSET_LIB_NAME "/libipset_%s.so"
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#define PROC_SYS_MODPROBE "/proc/sys/kernel/modprobe"
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#define LIST_TRIES 5
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#ifdef IPSET_DEBUG
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extern int option_debug;
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#define DP(format, args...) if (option_debug) \
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do { \
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fprintf(stderr, "%s: %s (DBG): ", __FILE__, __FUNCTION__);\
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fprintf(stderr, format "\n" , ## args); \
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} while (0)
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#else
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#define DP(format, args...)
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#endif
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/* Commands */
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enum set_commands {
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CMD_NONE,
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CMD_CREATE, /* -N */
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CMD_DESTROY, /* -X */
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CMD_FLUSH, /* -F */
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CMD_RENAME, /* -E */
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CMD_SWAP, /* -W */
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CMD_LIST, /* -L */
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CMD_SAVE, /* -S */
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CMD_RESTORE, /* -R */
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CMD_ADD, /* -A */
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CMD_DEL, /* -D */
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CMD_TEST, /* -T */
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CMD_HELP, /* -H */
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CMD_VERSION, /* -V */
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NUMBER_OF_CMD = CMD_VERSION,
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/* Internal commands */
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CMD_MAX_SETS,
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CMD_LIST_SIZE,
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CMD_SAVE_SIZE,
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CMD_ADT_GET,
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};
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enum exittype {
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OTHER_PROBLEM = 1,
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PARAMETER_PROBLEM,
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VERSION_PROBLEM
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};
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/* The view of an ipset in userspace */
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struct set {
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char name[IP_SET_MAXNAMELEN]; /* Name of the set */
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ip_set_id_t id; /* Unique set id */
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ip_set_id_t index; /* Array index */
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unsigned ref; /* References in kernel */
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struct settype *settype; /* Pointer to set type functions */
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};
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struct settype {
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struct settype *next;
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char typename[IP_SET_MAXNAMELEN];
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int protocol_version;
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/*
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* Create set
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*/
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/* Size of create data. Will be sent to kernel */
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u_int32_t create_size;
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/* Initialize the create. */
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void (*create_init) (void *data);
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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,
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unsigned *flags);
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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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/* Pointer to list of extra command-line options for create */
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const struct option *create_opts;
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/*
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* Add/del/test IP
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*/
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/* Size of data. Will be sent to kernel */
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u_int32_t adt_size;
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/* Function which parses command options */
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ip_set_ip_t (*adt_parser) (int cmd, const char *optarg, void *data);
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/*
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* Printing
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*/
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/* Size of header. */
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u_int32_t header_size;
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/* Initialize the type-header */
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void (*initheader) (struct set *set, const void *data);
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/* Pretty print the type-header */
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void (*printheader) (struct set *set, unsigned options);
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/* Pretty print all IPs */
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void (*printips) (struct set *set, void *data, u_int32_t len,
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unsigned options, char dont_align);
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/* Pretty print all IPs sorted */
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void (*printips_sorted) (struct set *set, void *data, u_int32_t len,
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unsigned options, char dont_align);
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/* Print save arguments for creating the set */
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void (*saveheader) (struct set *set, unsigned options);
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/* Print save for all IPs */
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void (*saveips) (struct set *set, void *data, u_int32_t len,
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unsigned options, char dont_align);
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/* Print usage */
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void (*usage) (void);
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/* Internal data */
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void *header;
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void *data;
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int option_offset;
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unsigned int flags;
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};
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extern void settype_register(struct settype *settype);
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/* extern void unregister_settype(set_type_t *set_type); */
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extern void exit_error(int status, const char *msg, ...);
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extern char *binding_ip_tostring(struct set *set,
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ip_set_ip_t ip, unsigned options);
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extern char *ip_tostring(ip_set_ip_t ip, unsigned options);
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extern char *ip_tostring_numeric(ip_set_ip_t ip);
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extern void parse_ip(const char *str, ip_set_ip_t * ip);
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extern void parse_mask(const char *str, ip_set_ip_t * mask);
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extern void parse_ipandmask(const char *str, ip_set_ip_t * ip,
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ip_set_ip_t * mask);
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extern char *port_tostring(ip_set_ip_t port, unsigned options);
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extern void parse_port(const char *str, ip_set_ip_t * port);
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extern int string_to_number(const char *str, unsigned int min, unsigned int max,
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ip_set_ip_t *port);
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extern void *ipset_malloc(size_t size);
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extern char *ipset_strdup(const char *);
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extern void ipset_free(void *data);
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extern struct set *set_find_byname(const char *name);
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extern struct set *set_find_byid(ip_set_id_t id);
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extern unsigned warn_once;
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#define BITS_PER_LONG (8*sizeof(ip_set_ip_t))
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#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
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static inline int test_bit(int nr, const ip_set_ip_t *addr)
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{
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return 1 & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
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}
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#define UNUSED __attribute__ ((unused))
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#define CONSTRUCTOR(module) \
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void __attribute__ ((constructor)) module##_init(void); \
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void module##_init(void)
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#endif /* __IPSET_H */
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