4 * Copyright (C) 2012 by Darren Reed.
6 * See the IPFILTER.LICENCE file for details on licencing.
8 * @(#)ipf.h 1.12 6/5/96
16 # define radix_mask ipf_radix_mask
17 # define radix_node ipf_radix_node
18 # define radix_node_head ipf_radix_node_head
21 #include <sys/param.h>
22 #include <sys/types.h>
25 * This is a workaround for <sys/uio.h> troubles on FreeBSD, HPUX, OpenBSD.
26 * Needed here because on some systems <sys/uio.h> gets included by things
43 #include <sys/socket.h>
46 #include <netinet/in.h>
47 #include <netinet/in_systm.h>
48 #include <netinet/ip.h>
49 #include <netinet/ip_icmp.h>
50 # include <netinet/tcp.h>
51 #include <netinet/udp.h>
53 #include <arpa/inet.h>
61 #if !defined(__SVR4) && !defined(__svr4__) && defined(sun)
67 #include "netinet/ip_compat.h"
68 #include "netinet/ip_fil.h"
69 #include "netinet/ip_nat.h"
70 #include "netinet/ip_frag.h"
71 #include "netinet/ip_state.h"
72 #include "netinet/ip_proxy.h"
73 #include "netinet/ip_auth.h"
74 #include "netinet/ip_lookup.h"
75 #include "netinet/ip_pool.h"
76 #include "netinet/ip_scan.h"
77 #include "netinet/ip_htable.h"
78 #include "netinet/ip_sync.h"
79 #include "netinet/ip_dstlist.h"
97 # if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
99 typedef u_int32_t u_32_t;
101 # if defined(__alpha__) || defined(__alpha) || defined(_LP64)
102 typedef unsigned int u_32_t;
105 typedef uint32_t u_32_t;
107 typedef unsigned int u_32_t;
110 # endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */
113 #ifndef MAXHOSTNAMELEN
114 # define MAXHOSTNAMELEN 256
117 #define MAX_ICMPCODE 16
118 #define MAX_ICMPTYPE 19
120 #define PRINTF (void)printf
121 #define FPRINTF (void)fprintf
132 typedef struct alist_s {
133 struct alist_s *al_next;
140 #define al_addr al_i6addr.in4_addr
141 #define al_mask al_i6mask.in4_addr
146 typedef struct plist_s {
147 struct plist_s *pl_next;
169 typedef struct wordtab {
175 typedef struct namelist {
176 struct namelist *na_next;
182 typedef struct proxyrule {
183 struct proxyrule *pr_next;
186 namelist_t *pr_names;
191 #if defined(__NetBSD__) || defined(__OpenBSD__) || \
192 (_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 300000) || \
193 SOLARIS || defined(__sgi) || defined(__osf__) || defined(linux)
195 typedef int (* ioctlfunc_t) __P((int, ioctlcmd_t, ...));
197 typedef int (* ioctlfunc_t) __P((dev_t, ioctlcmd_t, void *));
199 typedef int (* addfunc_t) __P((int, ioctlfunc_t, void *));
200 typedef int (* copyfunc_t) __P((void *, void *, size_t));
206 #if defined(sun) && !defined(__SVR4) && !defined(__svr4__)
207 extern int ioctl __P((int, int, void *));
210 extern char thishost[];
211 extern char flagset[];
212 extern u_char flags[];
213 extern struct ipopt_names ionames[];
214 extern struct ipopt_names secclass[];
215 extern char *icmpcodes[MAX_ICMPCODE + 1];
216 extern char *icmptypes[MAX_ICMPTYPE + 1];
217 extern int use_inet6;
219 extern int debuglevel;
220 extern struct ipopt_names v6ionames[];
221 extern icmptype_t icmptypelist[];
222 extern wordtab_t statefields[];
223 extern wordtab_t natfields[];
224 extern wordtab_t poolfields[];
227 extern int addicmp __P((char ***, struct frentry *, int));
228 extern int addipopt __P((char *, struct ipopt_names *, int, char *));
229 extern int addkeep __P((char ***, struct frentry *, int));
230 extern alist_t *alist_new __P((int, char *));
231 extern void alist_free __P((alist_t *));
232 extern void assigndefined __P((char *));
233 extern void binprint __P((void *, size_t));
234 extern u_32_t buildopts __P((char *, char *, int));
235 extern int checkrev __P((char *));
236 extern int connecttcp __P((char *, int));
237 extern int count6bits __P((u_32_t *));
238 extern int count4bits __P((u_32_t));
239 extern char *fac_toname __P((int));
240 extern int fac_findname __P((char *));
241 extern const char *familyname __P((const int));
242 extern void fill6bits __P((int, u_int *));
243 extern wordtab_t *findword __P((wordtab_t *, char *));
244 extern int ftov __P((int));
245 extern char *ipf_geterror __P((int, ioctlfunc_t *));
246 extern int genmask __P((int, char *, i6addr_t *));
247 extern int gethost __P((int, char *, i6addr_t *));
248 extern int geticmptype __P((int, char *));
249 extern int getport __P((struct frentry *, char *, u_short *, char *));
250 extern int getportproto __P((char *, int));
251 extern int getproto __P((char *));
252 extern char *getnattype __P((struct nat *));
253 extern char *getsumd __P((u_32_t));
254 extern u_32_t getoptbyname __P((char *));
255 extern u_32_t getoptbyvalue __P((int));
256 extern u_32_t getv6optbyname __P((char *));
257 extern u_32_t getv6optbyvalue __P((int));
258 extern char *icmptypename __P((int, int));
259 extern void initparse __P((void));
260 extern void ipf_dotuning __P((int, char *, ioctlfunc_t));
261 extern int ipf_addrule __P((int, ioctlfunc_t, void *));
262 extern void ipf_mutex_clean __P((void));
263 extern int ipf_parsefile __P((int, addfunc_t, ioctlfunc_t *, char *));
264 extern int ipf_parsesome __P((int, addfunc_t, ioctlfunc_t *, FILE *));
265 extern void ipf_perror __P((int, char *));
266 extern int ipf_perror_fd __P(( int, ioctlfunc_t, char *));
267 extern void ipf_rwlock_clean __P((void));
268 extern char *ipf_strerror __P((int));
269 extern void ipferror __P((int, char *));
270 extern int ipmon_parsefile __P((char *));
271 extern int ipmon_parsesome __P((FILE *));
272 extern int ipnat_addrule __P((int, ioctlfunc_t, void *));
273 extern int ipnat_parsefile __P((int, addfunc_t, ioctlfunc_t, char *));
274 extern int ipnat_parsesome __P((int, addfunc_t, ioctlfunc_t, FILE *));
275 extern int ippool_parsefile __P((int, char *, ioctlfunc_t));
276 extern int ippool_parsesome __P((int, FILE *, ioctlfunc_t));
277 extern int kmemcpywrap __P((void *, void *, size_t));
278 extern char *kvatoname __P((ipfunc_t, ioctlfunc_t));
279 extern int load_dstlist __P((struct ippool_dst *, ioctlfunc_t,
281 extern int load_dstlistnode __P((int, char *, struct ipf_dstnode *,
283 extern alist_t *load_file __P((char *));
284 extern int load_hash __P((struct iphtable_s *, struct iphtent_s *,
286 extern int load_hashnode __P((int, char *, struct iphtent_s *, int,
288 extern alist_t *load_http __P((char *));
289 extern int load_pool __P((struct ip_pool_s *list, ioctlfunc_t));
290 extern int load_poolnode __P((int, char *, ip_pool_node_t *, int, ioctlfunc_t));
291 extern alist_t *load_url __P((char *));
292 extern alist_t *make_range __P((int, struct in_addr, struct in_addr));
293 extern void mb_hexdump __P((mb_t *, FILE *));
294 extern ipfunc_t nametokva __P((char *, ioctlfunc_t));
295 extern void nat_setgroupmap __P((struct ipnat *));
296 extern int ntomask __P((int, int, u_32_t *));
297 extern u_32_t optname __P((char ***, u_short *, int));
298 extern wordtab_t *parsefields __P((wordtab_t *, char *));
299 extern int *parseipfexpr __P((char *, char **));
300 extern int parsewhoisline __P((char *, addrfamily_t *, addrfamily_t *));
301 extern void pool_close __P((void));
302 extern int pool_fd __P((void));
303 extern int pool_ioctl __P((ioctlfunc_t, ioctlcmd_t, void *));
304 extern int pool_open __P((void));
305 extern char *portname __P((int, int));
306 extern int pri_findname __P((char *));
307 extern char *pri_toname __P((int));
308 extern void print_toif __P((int, char *, char *, struct frdest *));
309 extern void printaps __P((ap_session_t *, int, int));
310 extern void printaddr __P((int, int, char *, int, u_32_t *, u_32_t *));
311 extern void printbuf __P((char *, int, int));
312 extern void printfieldhdr __P((wordtab_t *, wordtab_t *));
313 extern void printfr __P((struct frentry *, ioctlfunc_t));
314 extern struct iphtable_s *printhash __P((struct iphtable_s *, copyfunc_t,
315 char *, int, wordtab_t *));
316 extern struct iphtable_s *printhash_live __P((iphtable_t *, int, char *,
318 extern ippool_dst_t *printdstl_live __P((ippool_dst_t *, int, char *,
320 extern void printhashdata __P((iphtable_t *, int));
321 extern struct iphtent_s *printhashnode __P((struct iphtable_s *,
323 copyfunc_t, int, wordtab_t *));
324 extern void printhost __P((int, u_32_t *));
325 extern void printhostmask __P((int, u_32_t *, u_32_t *));
326 extern void printip __P((int, u_32_t *));
327 extern void printlog __P((struct frentry *));
328 extern void printlookup __P((char *, i6addr_t *addr, i6addr_t *mask));
329 extern void printmask __P((int, u_32_t *));
330 extern void printnataddr __P((int, char *, nat_addr_t *, int));
331 extern void printnatfield __P((nat_t *, int));
332 extern void printnatside __P((char *, nat_stat_side_t *));
333 extern void printpacket __P((int, mb_t *));
334 extern void printpacket6 __P((int, mb_t *));
335 extern struct ippool_dst *printdstlist __P((struct ippool_dst *, copyfunc_t,
336 char *, int, ipf_dstnode_t *,
338 extern void printdstlistdata __P((ippool_dst_t *, int));
339 extern ipf_dstnode_t *printdstlistnode __P((ipf_dstnode_t *, copyfunc_t,
341 extern void printdstlistpolicy __P((ippool_policy_t));
342 extern struct ip_pool_s *printpool __P((struct ip_pool_s *, copyfunc_t,
343 char *, int, wordtab_t *));
344 extern struct ip_pool_s *printpool_live __P((struct ip_pool_s *, int,
345 char *, int, wordtab_t *));
346 extern void printpooldata __P((ip_pool_t *, int));
347 extern void printpoolfield __P((void *, int, int));
348 extern struct ip_pool_node *printpoolnode __P((struct ip_pool_node *,
350 extern void printproto __P((struct protoent *, int, struct ipnat *));
351 extern void printportcmp __P((int, struct frpcmp *));
352 extern void printstatefield __P((ipstate_t *, int));
353 extern void printtqtable __P((ipftq_t *));
354 extern void printtunable __P((ipftune_t *));
355 extern void printunit __P((int));
356 extern void optprint __P((u_short *, u_long, u_long));
358 extern void optprintv6 __P((u_short *, u_long, u_long));
360 extern int remove_hash __P((struct iphtable_s *, ioctlfunc_t));
361 extern int remove_hashnode __P((int, char *, struct iphtent_s *, ioctlfunc_t));
362 extern int remove_pool __P((ip_pool_t *, ioctlfunc_t));
363 extern int remove_poolnode __P((int, char *, ip_pool_node_t *, ioctlfunc_t));
364 extern u_char tcpflags __P((char *));
365 extern void printc __P((struct frentry *));
366 extern void printC __P((int));
367 extern void emit __P((int, int, void *, struct frentry *));
368 extern u_char secbit __P((int));
369 extern u_char seclevel __P((char *));
370 extern void printfraginfo __P((char *, struct ipfr *));
371 extern void printifname __P((char *, char *, void *));
372 extern char *hostname __P((int, void *));
373 extern struct ipstate *printstate __P((struct ipstate *, int, u_long));
374 extern void printsbuf __P((char *));
375 extern void printnat __P((struct ipnat *, int));
376 extern void printactiveaddress __P((int, char *, i6addr_t *, char *));
377 extern void printactivenat __P((struct nat *, int, u_long));
378 extern void printhostmap __P((struct hostmap *, u_int));
379 extern void printtcpflags __P((u_32_t, u_32_t));
380 extern void printipfexpr __P((int *));
381 extern void printstatefield __P((ipstate_t *, int));
382 extern void printstatefieldhdr __P((int));
383 extern int sendtrap_v1_0 __P((int, char *, char *, int, time_t));
384 extern int sendtrap_v2_0 __P((int, char *, char *, int));
385 extern int vtof __P((int));
387 extern void set_variable __P((char *, char *));
388 extern char *get_variable __P((char *, char **, int));
389 extern void resetlexer __P((void));
391 extern void debug __P((int, char *, ...));
392 extern void verbose __P((int, char *, ...));
393 extern void ipfkdebug __P((char *, ...));
394 extern void ipfkverbose __P((char *, ...));
397 extern int gethostname __P((char *, int ));
398 extern void sync __P((void));
401 #endif /* __IPF_H__ */