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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>
#include <sys/types.h>
#include <netdb.h>
#include <linux/netfilter_ipv4/ip_set.h>
char program_name[] = "ipset";
char program_version[] = "1.0";
#define IPSET_LIB_NAME "/libipset_%s.so"
#define PROC_SYS_MODPROBE "/proc/sys/kernel/modprobe"
#define LIST_TRIES 5
/* FIXME: move this to Makefile ? */
#if 1
#define IP_SET_DEBUG
#endif
#ifdef IP_SET_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
enum exittype {
OTHER_PROBLEM = 1,
PARAMETER_PROBLEM,
VERSION_PROBLEM
};
struct set_data {
void *setdata; /* Hook to set speficic data */
void *bitmap; /* Which elements has got a childset (bitmap) */
void *adt; /* Add/del/test data */
};
/* The simplistic view of an ipset */
struct set {
struct set *next;
char name[IP_SET_MAXNAMELEN]; /* Name of the set */
unsigned id; /* Pool id in kernel */
unsigned levels; /* Levels we may have in this set */
unsigned ref; /* References in kernel */
struct settype *settype[IP_SET_LEVELS]; /* Pointer to set type functions */
struct set_data private[IP_SET_LEVELS]; /* Hook to set specific data */
};
#define ADT_ADD 0
#define ADT_DEL 1
#define ADT_TEST 2
struct settype {
struct settype *next;
char typename[IP_SET_MAXNAMELEN];
char typecode;
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 */
struct option *create_opts;
/*
* Add/del/test IP
*/
/* Size of data. Will be sent to kernel */
size_t req_size;
/* Function which parses command options */
ip_set_ip_t (*adt_parser) (int cmd, const char *option,
void *data, const void * setdata);
/*
* Printing
*/
/* Set up the sets headerinfo with data coming from kernel */
void (*initheader) (void ** setdata, void *data, size_t len);
/* Set up the sets members with data coming from kernel */
void (*initmembers) (void * setdata, void *data, size_t len);
/* Remove the members memory usage */
void (*killmembers) (void ** setdata);
/* Pretty print the type-header */
void (*printheader) (const void * setdata, unsigned options);
/* Returns an IP address from the set */
ip_set_ip_t (*getipbyid) (const void * setdata, ip_set_ip_t id);
/* Return the size of the set in ids */
ip_set_ip_t (*sizeid) (const void * setdata);
/* Pretty print all IPs */
void (*printips) (const void * setdata, unsigned options);
/* Pretty print all IPs sorted */
void (*printips_sorted) (const void * setdata,
unsigned options);
/* Print save arguments for creating the set */
void (*saveheader) (const void * setdata);
/* Print save for all IPs */
void (*saveips) (const void * setdata);
/* Print usage */
void (*usage) (void);
/*
* Hint: size of data must be smaller than that of create!
*/
/* Size of hint data. Will *not* be sent to kernel */
size_t hint_size;
/* Initialize the hint data. */
void (*hint_init) (void *data);
/* Function which parses command options; returns true if it ate an option */
int (*hint_parse) (int c, char *argv[], void *data);
/* Pointer to list of extra command-line options for hinting */
struct option *hint_opts;
/* Hint initialization info */
void (*hint) (const void *data, ip_set_ip_t * ip, ip_set_ip_t id);
/* Internal data */
unsigned int option_offset;
unsigned int flags;
void *data;
};
extern void settype_register(struct settype *settype);
/* extern void unregister_settype(set_type_t *set_type); */
extern void exit_error(enum exittype status, char *msg, ...);
extern char *ip_tostring(ip_set_ip_t ip, unsigned options);
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 void ipset_free(void **data);
#endif /* __IPSET_H */
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