--- /dev/null
+/**
+ * This file was imported from the iptables sources.
+ * Copyright (C) 1999-2008 Netfilter Core Team
+ *
+ * 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; only version 2 of the License is applicable.
+ *
+ * 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _XTABLES_H
+#define _XTABLES_H
+
+#include <sys/types.h>
+#include <linux/types.h>
+#include <linux/netfilter/x_tables.h>
+#include "libxtc.h"
+#include <stdbool.h>
+
+#ifndef IPPROTO_SCTP
+#define IPPROTO_SCTP 132
+#endif
+#ifndef IPPROTO_DCCP
+#define IPPROTO_DCCP 33
+#endif
+#ifndef IPPROTO_UDPLITE
+#define IPPROTO_UDPLITE 136
+#endif
+
+#define XTABLES_VERSION "1.4.1.1"
+#define XTABLES_VERSION_CODE (0x10000 * 1 + 0x100 * 4 + 1)
+
+#define XTABLES_API_VERSION(x,y,z) (0x10000*(x) + 0x100*(y) + z)
+
+/* Include file for additions: new matches and targets. */
+struct xtables_match
+{
+ struct xtables_match *next;
+
+ xt_chainlabel name;
+
+ /* Revision of match (0 by default). */
+ u_int8_t revision;
+
+ u_int16_t family;
+
+ const char *version;
+
+ /* Size of match data. */
+ size_t size;
+
+ /* Size of match data relevent for userspace comparison purposes */
+ size_t userspacesize;
+
+ /* Function which prints out usage message. */
+ void (*help)(void);
+
+ /* Initialize the match. */
+ void (*init)(struct xt_entry_match *m);
+
+ /* Function which parses command options; returns true if it
+ ate an option */
+ /* entry is struct ipt_entry for example */
+ int (*parse)(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry,
+ struct xt_entry_match **match);
+
+ /* Final check; exit if not ok. */
+ void (*final_check)(unsigned int flags);
+
+ /* Prints out the match iff non-NULL: put space at end */
+ /* ip is struct ipt_ip * for example */
+ void (*print)(const void *ip,
+ const struct xt_entry_match *match, int numeric);
+
+ /* Saves the match info in parsable form to stdout. */
+ /* ip is struct ipt_ip * for example */
+ void (*save)(const void *ip, const struct xt_entry_match *match);
+
+ /* Pointer to list of extra command-line options */
+ const struct option *extra_opts;
+
+ /* Ignore these men behind the curtain: */
+ unsigned int option_offset;
+ struct xt_entry_match *m;
+ unsigned int mflags;
+#ifdef NO_SHARED_LIBS
+ unsigned int loaded; /* simulate loading so options are merged properly */
+#endif
+};
+
+struct xtables_target
+{
+ struct xtables_target *next;
+
+ xt_chainlabel name;
+
+ /* Revision of target (0 by default). */
+ u_int8_t revision;
+
+ u_int16_t family;
+
+ const char *version;
+
+ /* Size of target data. */
+ size_t size;
+
+ /* Size of target data relevent for userspace comparison purposes */
+ size_t userspacesize;
+
+ /* Function which prints out usage message. */
+ void (*help)(void);
+
+ /* Initialize the target. */
+ void (*init)(struct xt_entry_target *t);
+
+ /* Function which parses command options; returns true if it
+ ate an option */
+ /* entry is struct ipt_entry for example */
+ int (*parse)(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry,
+ struct xt_entry_target **targetinfo);
+
+ /* Final check; exit if not ok. */
+ void (*final_check)(unsigned int flags);
+
+ /* Prints out the target iff non-NULL: put space at end */
+ void (*print)(const void *ip,
+ const struct xt_entry_target *target, int numeric);
+
+ /* Saves the targinfo in parsable form to stdout. */
+ void (*save)(const void *ip,
+ const struct xt_entry_target *target);
+
+ /* Pointer to list of extra command-line options */
+ const struct option *extra_opts;
+
+ /* Ignore these men behind the curtain: */
+ unsigned int option_offset;
+ struct xt_entry_target *t;
+ unsigned int tflags;
+ unsigned int used;
+#ifdef NO_SHARED_LIBS
+ unsigned int loaded; /* simulate loading so options are merged properly */
+#endif
+};
+
+/* Your shared library should call one of these. */
+extern void xtables_register_match(struct xtables_match *me);
+extern void xtables_register_target(struct xtables_target *me);
+
+extern int string_to_number_ll(const char *s,
+ unsigned long long min,
+ unsigned long long max,
+ unsigned long long *ret);
+extern int string_to_number_l(const char *s,
+ unsigned long min,
+ unsigned long max,
+ unsigned long *ret);
+extern int string_to_number(const char *s,
+ unsigned int min,
+ unsigned int max,
+ unsigned int *ret);
+extern bool strtonuml(const char *, char **, unsigned long *,
+ unsigned long, unsigned long);
+extern bool strtonum(const char *, char **, unsigned int *,
+ unsigned int, unsigned int);
+extern int service_to_port(const char *name, const char *proto);
+extern u_int16_t parse_port(const char *port, const char *proto);
+extern void
+parse_interface(const char *arg, char *vianame, unsigned char *mask);
+
+enum exittype {
+ OTHER_PROBLEM = 1,
+ PARAMETER_PROBLEM,
+ VERSION_PROBLEM,
+ RESOURCE_PROBLEM,
+ P_ONLY_ONCE,
+ P_NO_INVERT,
+ P_BAD_VALUE,
+ P_ONE_ACTION,
+};
+
+/* this is a special 64bit data type that is 8-byte aligned */
+#define aligned_u64 u_int64_t __attribute__((aligned(8)))
+
+int check_inverse(const char option[], int *invert, int *my_optind, int argc);
+void exit_error(enum exittype, const char *, ...)__attribute__((noreturn,
+ format(printf,2,3)));
+extern void param_act(unsigned int, const char *, ...);
+extern const char *program_name, *program_version;
+
+extern const char *ipaddr_to_numeric(const struct in_addr *);
+extern const char *ipaddr_to_anyname(const struct in_addr *);
+extern const char *ipmask_to_numeric(const struct in_addr *);
+extern struct in_addr *numeric_to_ipaddr(const char *);
+extern struct in_addr *numeric_to_ipmask(const char *);
+extern void ipparse_hostnetworkmask(const char *, struct in_addr **,
+ struct in_addr *, unsigned int *);
+
+extern struct in6_addr *numeric_to_ip6addr(const char *);
+extern const char *ip6addr_to_numeric(const struct in6_addr *);
+extern const char *ip6addr_to_anyname(const struct in6_addr *);
+extern const char *ip6mask_to_numeric(const struct in6_addr *);
+extern void ip6parse_hostnetworkmask(const char *, struct in6_addr **,
+ struct in6_addr *, unsigned int *);
+
+/**
+ * Print the specified value to standard output, quoting dangerous
+ * characters if required.
+ */
+extern void save_string(const char *value);
+
+#ifdef NO_SHARED_LIBS
+# ifdef _INIT
+# undef _init
+# define _init _INIT
+# endif
+ extern void init_extensions(void);
+#else
+# define _init __attribute__((constructor)) _INIT
+#endif
+
+/* Present in both iptables.c and ip6tables.c */
+extern u_int16_t parse_protocol(const char *s);
+
+#ifdef XTABLES_INTERNAL
+# include <xtables/internal.h>
+#endif
+
+#endif /* _XTABLES_H */
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