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#ifndef __IPSET_H
#define __IPSET_H
/* Copyright 2000-2004 Joakim Axelsson (gozem@linux.nu)
* Patrick Schaaf (bof@bof.de)
* 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 <getopt.h> /* struct option */
#include <stdint.h>
#include <sys/types.h>
#include <linux/netfilter_ipv4/ip_set.h>
#define IPSET_LIB_NAME "/libipset_%s.so"
#define PROC_SYS_MODPROBE "/proc/sys/kernel/modprobe"
#define LIST_TRIES 5
#ifdef IPSET_DEBUG
extern int option_debug;
#define DP(format, args...) if (option_debug) \
do { \
fprintf(stderr, "%s: %s (DBG): ", __FILE__, __FUNCTION__);\
fprintf(stderr, format "\n" , ## args); \
} while (0)
#else
#define DP(format, args...)
#endif
/* Commands */
enum set_commands {
CMD_NONE,
CMD_CREATE, /* -N */
CMD_DESTROY, /* -X */
CMD_FLUSH, /* -F */
CMD_RENAME, /* -E */
CMD_SWAP, /* -W */
CMD_LIST, /* -L */
CMD_SAVE, /* -S */
CMD_RESTORE, /* -R */
CMD_ADD, /* -A */
CMD_DEL, /* -D */
CMD_TEST, /* -T */
CMD_BIND, /* -B */
CMD_UNBIND, /* -U */
CMD_HELP, /* -H */
CMD_VERSION, /* -V */
NUMBER_OF_CMD = CMD_VERSION,
/* Internal commands */
CMD_MAX_SETS,
CMD_LIST_SIZE,
CMD_SAVE_SIZE,
CMD_ADT_GET,
};
/* Exit codes */
#define OTHER_PROBLEM 1
#define PARAMETER_PROBLEM 2
#define VERSION_PROBLEM 3
/* The view of an ipset in userspace */
struct set {
char name[IP_SET_MAXNAMELEN]; /* Name of the set */
ip_set_id_t id; /* Unique set id */
ip_set_id_t index; /* Array index */
unsigned ref; /* References in kernel */
struct settype *settype; /* Pointer to set type functions */
};
struct settype {
struct settype *next;
char typename[IP_SET_MAXNAMELEN];
int protocol_version;
/*
* Create set
*/
/* Size of create data. Will be sent to kernel */
size_t create_size;
/* Initialize the create. */
void (*create_init) (void *data);
/* Function which parses command options; returns true if it ate an option */
int (*create_parse) (int c, char *argv[], void *data,
unsigned *flags);
/* Final check; exit if not ok. */
void (*create_final) (void *data, unsigned int flags);
/* Pointer to list of extra command-line options for create */
const struct option *create_opts;
/*
* Add/del/test IP
*/
/* Size of data. Will be sent to kernel */
size_t adt_size;
/* Function which parses command options */
ip_set_ip_t (*adt_parser) (int cmd, const char *optarg, void *data);
/*
* Printing
*/
/* Size of header. */
size_t header_size;
/* Initialize the type-header */
void (*initheader) (struct set *set, const void *data);
/* Pretty print the type-header */
void (*printheader) (struct set *set, unsigned options);
/* Pretty print all IPs */
void (*printips) (struct set *set, void *data, size_t len, unsigned options);
/* Pretty print all IPs sorted */
void (*printips_sorted) (struct set *set, void *data, size_t len, unsigned options);
/* Print save arguments for creating the set */
void (*saveheader) (struct set *set, unsigned options);
/* Print save for all IPs */
void (*saveips) (struct set *set, void *data, size_t len, unsigned options);
/* Conver a single IP (binding) to string */
char * (*bindip_tostring)(struct set *set, ip_set_ip_t ip, unsigned options);
/* Parse an IP at restoring bindings. FIXME */
void (*bindip_parse) (const char *str, ip_set_ip_t * ip);
/* Print usage */
void (*usage) (void);
/* Internal data */
void *header;
void *data;
int option_offset;
unsigned int flags;
};
extern void settype_register(struct settype *settype);
/* extern void unregister_settype(set_type_t *set_type); */
extern void exit_error(int status, const char *msg, ...);
extern char *binding_ip_tostring(struct set *set,
ip_set_ip_t ip, unsigned options);
extern char *ip_tostring(ip_set_ip_t ip, unsigned options);
extern char *ip_tostring_numeric(ip_set_ip_t ip);
extern void parse_ip(const char *str, ip_set_ip_t * ip);
extern void parse_mask(const char *str, ip_set_ip_t * mask);
extern void parse_ipandmask(const char *str, ip_set_ip_t * ip,
ip_set_ip_t * mask);
extern char *port_tostring(ip_set_ip_t port, unsigned options);
extern void parse_port(const char *str, ip_set_ip_t * port);
extern int string_to_number(const char *str, unsigned int min, unsigned int max,
ip_set_ip_t *port);
extern void *ipset_malloc(size_t size);
extern char *ipset_strdup(const char *);
extern void ipset_free(void *data);
extern struct set *set_find_byname(const char *name);
extern struct set *set_find_byid(ip_set_id_t id);
extern unsigned warn_once;
#define BITSPERBYTE (8*sizeof(char))
#define ID2BYTE(id) ((id)/BITSPERBYTE)
#define ID2MASK(id) (1 << ((id)%BITSPERBYTE))
#define test_bit(id, heap) ((((char *)(heap))[ID2BYTE(id)] & ID2MASK(id)) != 0)
#define UNUSED __attribute__ ((unused))
#define CONSTRUCTOR(module) \
void __attribute__ ((constructor)) module##_init(void); \
void module##_init(void)
#endif /* __IPSET_H */
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