05ddbb8d93
the current version of IP-Filter in FreeBSD is under as per email received from Darren Reed on Mon, 08 Jul 2013 23:54:16 +1000. Approved by: glebius (Mentor), Darren Reed <darrenr@reed.wattle.id.au>
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
#ifndef __IP_HTABLE_H__
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#define __IP_HTABLE_H__
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#include "netinet/ip_lookup.h"
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typedef struct iphtent_s {
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struct iphtent_s *ipe_next, **ipe_pnext;
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struct iphtent_s *ipe_hnext, **ipe_phnext;
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struct iphtent_s *ipe_dnext, **ipe_pdnext;
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struct iphtable_s *ipe_owner;
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void *ipe_ptr;
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i6addr_t ipe_addr;
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i6addr_t ipe_mask;
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U_QUAD_T ipe_hits;
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U_QUAD_T ipe_bytes;
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u_long ipe_die;
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int ipe_uid;
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int ipe_ref;
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int ipe_unit;
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char ipe_family;
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char ipe_xxx[3];
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union {
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char ipeu_char[16];
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u_long ipeu_long;
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u_int ipeu_int;
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} ipe_un;
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} iphtent_t;
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#define ipe_value ipe_un.ipeu_int
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#define ipe_group ipe_un.ipeu_char
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#define IPE_V4_HASH_FN(a, m, s) ((((m) ^ (a)) - 1 - ((a) >> 8)) % (s))
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#define IPE_V6_HASH_FN(a, m, s) (((((m)[0] ^ (a)[0]) - ((a)[0] >> 8)) + \
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(((m)[1] & (a)[1]) - ((a)[1] >> 8)) + \
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(((m)[2] & (a)[2]) - ((a)[2] >> 8)) + \
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(((m)[3] & (a)[3]) - ((a)[3] >> 8))) % (s))
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typedef struct iphtable_s {
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ipfrwlock_t iph_rwlock;
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struct iphtable_s *iph_next, **iph_pnext;
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struct iphtent_s **iph_table;
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struct iphtent_s *iph_list;
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struct iphtent_s **iph_tail;
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#ifdef USE_INET6
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ipf_v6_masktab_t iph_v6_masks;
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#endif
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ipf_v4_masktab_t iph_v4_masks;
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size_t iph_size; /* size of hash table */
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u_long iph_seed; /* hashing seed */
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u_32_t iph_flags;
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u_int iph_unit; /* IPL_LOG* */
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u_int iph_ref;
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u_int iph_type; /* lookup or group map - IPHASH_* */
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u_int iph_maskset[4]; /* netmasks in use */
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char iph_name[FR_GROUPLEN]; /* hash table number */
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} iphtable_t;
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/* iph_type */
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#define IPHASH_LOOKUP 0
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#define IPHASH_GROUPMAP 1
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#define IPHASH_DELETE 2
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#define IPHASH_ANON 0x80000000
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typedef struct iphtstat_s {
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iphtable_t *iphs_tables;
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u_long iphs_numtables;
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u_long iphs_numnodes;
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u_long iphs_nomem;
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u_long iphs_pad[16];
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} iphtstat_t;
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extern void *ipf_iphmfindgroup __P((ipf_main_softc_t *, void *, void *));
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extern iphtable_t *ipf_htable_find __P((void *, int, char *));
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extern ipf_lookup_t ipf_htable_backend;
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#ifndef _KERNEL
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extern void ipf_htable_dump __P((ipf_main_softc_t *, void *));
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#endif
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#endif /* __IP_HTABLE_H__ */
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