#ifndef _NET_PFVAR_H_
#define _NET_PFVAR_H_
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/counter.h>
#include <sys/cpuset.h>
#include <sys/epoch.h>
#include <sys/malloc.h>
#include <sys/nv.h>
#include <sys/refcount.h>
#include <sys/sdt.h>
#include <sys/sysctl.h>
#include <sys/smp.h>
#include <sys/lock.h>
#include <sys/rmlock.h>
#include <sys/tree.h>
#include <sys/seqc.h>
#include <vm/uma.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <net/radix.h>
#include <netinet/in.h>
#ifdef _KERNEL
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include <netinet/sctp.h>
#include <netinet/ip_icmp.h>
#include <netinet/icmp6.h>
#endif
#include <netpfil/pf/pf.h>
#include <netpfil/pf/pf_altq.h>
#include <netpfil/pf/pf_mtag.h>
#ifdef _KERNEL
#define PF_PFIL_NOREFRAGMENT 0x80000000
#if defined(__arm__)
#define PF_WANT_32_TO_64_COUNTER
#endif
#ifdef PF_WANT_32_TO_64_COUNTER
struct pf_counter_u64_pcpu {
u_int32_t current;
u_int32_t snapshot;
};
struct pf_counter_u64 {
struct pf_counter_u64_pcpu *pfcu64_pcpu;
u_int64_t pfcu64_value;
seqc_t pfcu64_seqc;
};
static inline int
pf_counter_u64_init(struct pf_counter_u64 *pfcu64, int flags)
{
pfcu64->pfcu64_value = 0;
pfcu64->pfcu64_seqc = 0;
pfcu64->pfcu64_pcpu = uma_zalloc_pcpu(pcpu_zone_8, flags | M_ZERO);
if (__predict_false(pfcu64->pfcu64_pcpu == NULL))
return (ENOMEM);
return (0);
}
static inline void
pf_counter_u64_deinit(struct pf_counter_u64 *pfcu64)
{
uma_zfree_pcpu(pcpu_zone_8, pfcu64->pfcu64_pcpu);
}
static inline void
pf_counter_u64_critical_enter(void)
{
critical_enter();
}
static inline void
pf_counter_u64_critical_exit(void)
{
critical_exit();
}
static inline void
pf_counter_u64_rollup_protected(struct pf_counter_u64 *pfcu64, uint64_t n)
{
MPASS(curthread->td_critnest > 0);
pfcu64->pfcu64_value += n;
}
static inline void
pf_counter_u64_add_protected(struct pf_counter_u64 *pfcu64, uint32_t n)
{
struct pf_counter_u64_pcpu *pcpu;
u_int32_t val;
MPASS(curthread->td_critnest > 0);
pcpu = zpcpu_get(pfcu64->pfcu64_pcpu);
val = atomic_load_int(&pcpu->current);
atomic_store_int(&pcpu->current, val + n);
}
static inline void
pf_counter_u64_add(struct pf_counter_u64 *pfcu64, uint32_t n)
{
critical_enter();
pf_counter_u64_add_protected(pfcu64, n);
critical_exit();
}
static inline u_int64_t
pf_counter_u64_periodic(struct pf_counter_u64 *pfcu64)
{
struct pf_counter_u64_pcpu *pcpu;
u_int64_t sum;
u_int32_t val;
int cpu;
MPASS(curthread->td_critnest > 0);
seqc_write_begin(&pfcu64->pfcu64_seqc);
sum = pfcu64->pfcu64_value;
CPU_FOREACH(cpu) {
pcpu = zpcpu_get_cpu(pfcu64->pfcu64_pcpu, cpu);
val = atomic_load_int(&pcpu->current);
sum += (uint32_t)(val - pcpu->snapshot);
pcpu->snapshot = val;
}
pfcu64->pfcu64_value = sum;
seqc_write_end(&pfcu64->pfcu64_seqc);
return (sum);
}
static inline u_int64_t
pf_counter_u64_fetch(const struct pf_counter_u64 *pfcu64)
{
struct pf_counter_u64_pcpu *pcpu;
u_int64_t sum;
seqc_t seqc;
int cpu;
for (;;) {
seqc = seqc_read(&pfcu64->pfcu64_seqc);
sum = 0;
CPU_FOREACH(cpu) {
pcpu = zpcpu_get_cpu(pfcu64->pfcu64_pcpu, cpu);
sum += (uint32_t)(atomic_load_int(&pcpu->current) -pcpu->snapshot);
}
sum += pfcu64->pfcu64_value;
if (seqc_consistent(&pfcu64->pfcu64_seqc, seqc))
break;
}
return (sum);
}
static inline void
pf_counter_u64_zero_protected(struct pf_counter_u64 *pfcu64)
{
struct pf_counter_u64_pcpu *pcpu;
int cpu;
MPASS(curthread->td_critnest > 0);
seqc_write_begin(&pfcu64->pfcu64_seqc);
CPU_FOREACH(cpu) {
pcpu = zpcpu_get_cpu(pfcu64->pfcu64_pcpu, cpu);
pcpu->snapshot = atomic_load_int(&pcpu->current);
}
pfcu64->pfcu64_value = 0;
seqc_write_end(&pfcu64->pfcu64_seqc);
}
static inline void
pf_counter_u64_zero(struct pf_counter_u64 *pfcu64)
{
critical_enter();
pf_counter_u64_zero_protected(pfcu64);
critical_exit();
}
#else
struct pf_counter_u64 {
counter_u64_t counter;
};
static inline int
pf_counter_u64_init(struct pf_counter_u64 *pfcu64, int flags)
{
pfcu64->counter = counter_u64_alloc(flags);
if (__predict_false(pfcu64->counter == NULL))
return (ENOMEM);
return (0);
}
static inline void
pf_counter_u64_deinit(struct pf_counter_u64 *pfcu64)
{
counter_u64_free(pfcu64->counter);
}
static inline void
pf_counter_u64_critical_enter(void)
{
}
static inline void
pf_counter_u64_critical_exit(void)
{
}
static inline void
pf_counter_u64_rollup_protected(struct pf_counter_u64 *pfcu64, uint64_t n)
{
counter_u64_add(pfcu64->counter, n);
}
static inline void
pf_counter_u64_add_protected(struct pf_counter_u64 *pfcu64, uint32_t n)
{
counter_u64_add(pfcu64->counter, n);
}
static inline void
pf_counter_u64_add(struct pf_counter_u64 *pfcu64, uint32_t n)
{
pf_counter_u64_add_protected(pfcu64, n);
}
static inline u_int64_t
pf_counter_u64_fetch(const struct pf_counter_u64 *pfcu64)
{
return (counter_u64_fetch(pfcu64->counter));
}
static inline void
pf_counter_u64_zero_protected(struct pf_counter_u64 *pfcu64)
{
counter_u64_zero(pfcu64->counter);
}
static inline void
pf_counter_u64_zero(struct pf_counter_u64 *pfcu64)
{
pf_counter_u64_zero_protected(pfcu64);
}
#endif
#define pf_get_timestamp(prule)({ \
uint32_t _ts = 0; \
uint32_t __ts; \
int cpu; \
CPU_FOREACH(cpu) { \
__ts = *zpcpu_get_cpu(prule->timestamp, cpu); \
if (__ts > _ts) \
_ts = __ts; \
} \
_ts; \
})
#define pf_update_timestamp(prule) \
do { \
critical_enter(); \
*zpcpu_get((prule)->timestamp) = time_second; \
critical_exit(); \
} while (0)
#define pf_timestamp_pcpu_zone (sizeof(time_t) == 4 ? pcpu_zone_4 : pcpu_zone_8)
_Static_assert(sizeof(time_t) == 4 || sizeof(time_t) == 8, "unexpected time_t size");
SYSCTL_DECL(_net_pf);
MALLOC_DECLARE(M_PF);
MALLOC_DECLARE(M_PFHASH);
MALLOC_DECLARE(M_PF_RULE_ITEM);
MALLOC_DECLARE(M_PF_STATE_LINK);
MALLOC_DECLARE(M_PF_SOURCE_LIM);
MALLOC_DECLARE(M_PF_STATE_LIM);
SDT_PROVIDER_DECLARE(pf);
SDT_PROBE_DECLARE(pf, , test, reason_set);
SDT_PROBE_DECLARE(pf, , log, log);
#define DPFPRINTF(n, fmt, x...) \
do { \
SDT_PROBE2(pf, , log, log, (n), fmt); \
if (V_pf_status.debug >= (n)) \
printf(fmt "\n", ##x); \
} while (0)
struct pfi_dynaddr {
TAILQ_ENTRY(pfi_dynaddr) entry;
struct pf_addr pfid_addr4;
struct pf_addr pfid_mask4;
struct pf_addr pfid_addr6;
struct pf_addr pfid_mask6;
struct pfr_ktable *pfid_kt;
struct pfi_kkif *pfid_kif;
int pfid_net;
int pfid_acnt4;
int pfid_acnt6;
sa_family_t pfid_af;
u_int8_t pfid_iflags;
};
#define PF_NAME "pf"
#define PF_HASHROW_ASSERT(h) mtx_assert(&(h)->lock, MA_OWNED)
#define PF_HASHROW_LOCK(h) mtx_lock(&(h)->lock)
#define PF_HASHROW_UNLOCK(h) mtx_unlock(&(h)->lock)
#ifdef INVARIANTS
#define PF_STATE_LOCK(s) \
do { \
struct pf_kstate *_s = (s); \
struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(_s)]; \
MPASS(_s->lock == &_ih->lock); \
mtx_lock(_s->lock); \
} while (0)
#define PF_STATE_UNLOCK(s) \
do { \
struct pf_kstate *_s = (s); \
struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(_s)]; \
MPASS(_s->lock == &_ih->lock); \
mtx_unlock(_s->lock); \
} while (0)
#else
#define PF_STATE_LOCK(s) mtx_lock((s)->lock)
#define PF_STATE_UNLOCK(s) mtx_unlock((s)->lock)
#endif
#ifdef INVARIANTS
#define PF_STATE_LOCK_ASSERT(s) \
do { \
struct pf_kstate *_s = (s); \
struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(_s)]; \
MPASS(_s->lock == &_ih->lock); \
PF_HASHROW_ASSERT(_ih); \
} while (0)
#else
#define PF_STATE_LOCK_ASSERT(s) do {} while (0)
#endif
#ifdef INVARIANTS
#define PF_SRC_NODE_LOCK(sn) \
do { \
struct pf_ksrc_node *_sn = (sn); \
struct pf_srchash *_sh = &V_pf_srchash[ \
pf_hashsrc(&_sn->addr, _sn->af)]; \
MPASS(_sn->lock == &_sh->lock); \
mtx_lock(_sn->lock); \
} while (0)
#define PF_SRC_NODE_UNLOCK(sn) \
do { \
struct pf_ksrc_node *_sn = (sn); \
struct pf_srchash *_sh = &V_pf_srchash[ \
pf_hashsrc(&_sn->addr, _sn->af)]; \
MPASS(_sn->lock == &_sh->lock); \
mtx_unlock(_sn->lock); \
} while (0)
#else
#define PF_SRC_NODE_LOCK(sn) mtx_lock((sn)->lock)
#define PF_SRC_NODE_UNLOCK(sn) mtx_unlock((sn)->lock)
#endif
#ifdef INVARIANTS
#define PF_SRC_NODE_LOCK_ASSERT(sn) \
do { \
struct pf_ksrc_node *_sn = (sn); \
struct pf_srchash *_sh = &V_pf_srchash[ \
pf_hashsrc(&_sn->addr, _sn->af)]; \
MPASS(_sn->lock == &_sh->lock); \
PF_HASHROW_ASSERT(_sh); \
} while (0)
#else
#define PF_SRC_NODE_LOCK_ASSERT(sn) do {} while (0)
#endif
extern struct mtx_padalign pf_unlnkdrules_mtx;
#define PF_UNLNKDRULES_LOCK() mtx_lock(&pf_unlnkdrules_mtx)
#define PF_UNLNKDRULES_UNLOCK() mtx_unlock(&pf_unlnkdrules_mtx)
#define PF_UNLNKDRULES_ASSERT() mtx_assert(&pf_unlnkdrules_mtx, MA_OWNED)
extern struct sx pf_config_lock;
#define PF_CONFIG_LOCK() sx_xlock(&pf_config_lock)
#define PF_CONFIG_UNLOCK() sx_xunlock(&pf_config_lock)
#define PF_CONFIG_ASSERT() sx_assert(&pf_config_lock, SA_XLOCKED)
VNET_DECLARE(struct rmlock, pf_rules_lock);
#define V_pf_rules_lock VNET(pf_rules_lock)
#define PF_RULES_RLOCK_TRACKER struct rm_priotracker _pf_rules_tracker
#define PF_RULES_RLOCK() rm_rlock(&V_pf_rules_lock, &_pf_rules_tracker)
#define PF_RULES_RUNLOCK() rm_runlock(&V_pf_rules_lock, &_pf_rules_tracker)
#define PF_RULES_WLOCK() rm_wlock(&V_pf_rules_lock)
#define PF_RULES_WUNLOCK() rm_wunlock(&V_pf_rules_lock)
#define PF_RULES_WOWNED() rm_wowned(&V_pf_rules_lock)
#define PF_RULES_ASSERT() rm_assert(&V_pf_rules_lock, RA_LOCKED)
#define PF_RULES_RASSERT() rm_assert(&V_pf_rules_lock, RA_RLOCKED)
#define PF_RULES_WASSERT() rm_assert(&V_pf_rules_lock, RA_WLOCKED)
VNET_DECLARE(struct rmlock, pf_tags_lock);
#define V_pf_tags_lock VNET(pf_tags_lock)
#define PF_TAGS_RLOCK_TRACKER struct rm_priotracker _pf_tags_tracker
#define PF_TAGS_RLOCK() rm_rlock(&V_pf_tags_lock, &_pf_tags_tracker)
#define PF_TAGS_RUNLOCK() rm_runlock(&V_pf_tags_lock, &_pf_tags_tracker)
#define PF_TAGS_WLOCK() rm_wlock(&V_pf_tags_lock)
#define PF_TAGS_WUNLOCK() rm_wunlock(&V_pf_tags_lock)
#define PF_TAGS_WASSERT() rm_assert(&V_pf_tags_lock, RA_WLOCKED)
extern struct mtx_padalign pf_table_stats_lock;
#define PF_TABLE_STATS_LOCK() mtx_lock(&pf_table_stats_lock)
#define PF_TABLE_STATS_UNLOCK() mtx_unlock(&pf_table_stats_lock)
#define PF_TABLE_STATS_OWNED() mtx_owned(&pf_table_stats_lock)
#define PF_TABLE_STATS_ASSERT() mtx_assert(&pf_table_stats_lock, MA_OWNED)
extern struct sx pf_end_lock;
#define PF_MODVER 1
#define PFLOG_MODVER 1
#define PFSYNC_MODVER 1
#define PFLOG_MINVER 1
#define PFLOG_PREFVER PFLOG_MODVER
#define PFLOG_MAXVER 1
#define PFSYNC_MINVER 1
#define PFSYNC_PREFVER PFSYNC_MODVER
#define PFSYNC_MAXVER 1
#ifdef INET
#ifndef INET6
#define PF_INET_ONLY
#endif
#endif
#ifdef INET6
#ifndef INET
#define PF_INET6_ONLY
#endif
#endif
#ifdef INET
#ifdef INET6
#define PF_INET_INET6
#endif
#endif
#else
#define PF_INET_INET6
#endif
#ifdef PF_INET_INET6
#define PF_AEQ(a, b, c) \
((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
(c == AF_INET6 && (a)->addr32[3] == (b)->addr32[3] && \
(a)->addr32[2] == (b)->addr32[2] && \
(a)->addr32[1] == (b)->addr32[1] && \
(a)->addr32[0] == (b)->addr32[0])) \
#define PF_ANEQ(a, b, c) \
((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
(c == AF_INET6 && ((a)->addr32[0] != (b)->addr32[0] || \
(a)->addr32[1] != (b)->addr32[1] || \
(a)->addr32[2] != (b)->addr32[2] || \
(a)->addr32[3] != (b)->addr32[3]))) \
#define PF_AZERO(a, c) \
((c == AF_INET && !(a)->addr32[0]) || \
(c == AF_INET6 && !(a)->addr32[0] && !(a)->addr32[1] && \
!(a)->addr32[2] && !(a)->addr32[3] )) \
#else
#ifdef PF_INET6_ONLY
#define PF_AEQ(a, b, c) \
((a)->addr32[3] == (b)->addr32[3] && \
(a)->addr32[2] == (b)->addr32[2] && \
(a)->addr32[1] == (b)->addr32[1] && \
(a)->addr32[0] == (b)->addr32[0]) \
#define PF_ANEQ(a, b, c) \
((a)->addr32[3] != (b)->addr32[3] || \
(a)->addr32[2] != (b)->addr32[2] || \
(a)->addr32[1] != (b)->addr32[1] || \
(a)->addr32[0] != (b)->addr32[0]) \
#define PF_AZERO(a, c) \
(!(a)->addr32[0] && \
!(a)->addr32[1] && \
!(a)->addr32[2] && \
!(a)->addr32[3] ) \
#else
#ifdef PF_INET_ONLY
#define PF_AEQ(a, b, c) \
((a)->addr32[0] == (b)->addr32[0])
#define PF_ANEQ(a, b, c) \
((a)->addr32[0] != (b)->addr32[0])
#define PF_AZERO(a, c) \
(!(a)->addr32[0])
#endif
#endif
#endif
#ifdef _KERNEL
static inline __dead2 void
unhandled_af(int af)
{
panic("unhandled af %d", af);
}
static void inline
pf_addrcpy(struct pf_addr *dst, const struct pf_addr *src, sa_family_t af)
{
switch (af) {
#ifdef INET
case AF_INET:
memcpy(&dst->v4, &src->v4, sizeof(dst->v4));
break;
#endif
#ifdef INET6
case AF_INET6:
memcpy(&dst->v6, &src->v6, sizeof(dst->v6));
break;
#endif
default:
unhandled_af(af);
}
}
#endif
#define PF_MISMATCHAW(aw, x, af, neg, ifp, rtid) \
( \
(((aw)->type == PF_ADDR_NOROUTE && \
pf_routable((x), (af), NULL, (rtid))) || \
(((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
pf_routable((x), (af), (ifp), (rtid))) || \
((aw)->type == PF_ADDR_TABLE && \
!pfr_match_addr((aw)->p.tbl, (x), (af))) || \
((aw)->type == PF_ADDR_DYNIFTL && \
!pfi_match_addr((aw)->p.dyn, (x), (af))) || \
((aw)->type == PF_ADDR_RANGE && \
!pf_match_addr_range(&(aw)->v.a.addr, \
&(aw)->v.a.mask, (x), (af))) || \
((aw)->type == PF_ADDR_ADDRMASK && \
!PF_AZERO(&(aw)->v.a.mask, (af)) && \
!pf_match_addr(0, &(aw)->v.a.addr, \
&(aw)->v.a.mask, (x), (af))))) != \
(neg) \
)
#define PF_ALGNMNT(off) (((off) % 2) == 0)
enum pf_sn_types { PF_SN_LIMIT, PF_SN_NAT, PF_SN_ROUTE, PF_SN_MAX };
typedef enum pf_sn_types pf_sn_types_t;
#define PF_SN_TYPE_NAMES { \
"limit source-track", \
"NAT/RDR sticky-address", \
"route sticky-address", \
NULL \
}
#ifdef _KERNEL
struct pf_kpooladdr {
struct pf_addr_wrap addr;
TAILQ_ENTRY(pf_kpooladdr) entries;
char ifname[IFNAMSIZ];
sa_family_t af;
struct pfi_kkif *kif;
};
TAILQ_HEAD(pf_kpalist, pf_kpooladdr);
struct pf_kpool {
struct mtx mtx;
struct pf_kpalist list;
struct pf_kpooladdr *cur;
struct pf_poolhashkey key;
struct pf_addr counter;
struct pf_mape_portset mape;
int tblidx;
u_int16_t proxy_port[2];
u_int8_t opts;
sa_family_t ipv6_nexthop_af;
};
struct pf_rule_actions {
struct pf_addr rt_addr;
struct pfi_kkif *rt_kif;
int32_t rtableid;
uint32_t flags;
uint16_t qid;
uint16_t pqid;
uint16_t max_mss;
uint16_t dnpipe;
uint16_t dnrpipe;
sa_family_t rt_af;
uint8_t log;
uint8_t set_tos;
uint8_t min_ttl;
uint8_t set_prio[2];
uint8_t rt;
uint8_t allow_opts;
uint16_t max_pkt_size;
};
union pf_keth_rule_ptr {
struct pf_keth_rule *ptr;
uint32_t nr;
};
struct pf_keth_rule_addr {
uint8_t addr[ETHER_ADDR_LEN];
uint8_t mask[ETHER_ADDR_LEN];
bool neg;
uint8_t isset;
};
struct pf_keth_anchor;
TAILQ_HEAD(pf_keth_ruleq, pf_keth_rule);
struct pf_keth_ruleset {
struct pf_keth_ruleq rules[2];
struct pf_keth_rules {
struct pf_keth_ruleq *rules;
int open;
uint32_t ticket;
} active, inactive;
struct vnet *vnet;
struct pf_keth_anchor *anchor;
};
RB_HEAD(pf_keth_anchor_global, pf_keth_anchor);
RB_HEAD(pf_keth_anchor_node, pf_keth_anchor);
struct pf_keth_anchor {
RB_ENTRY(pf_keth_anchor) entry_node;
RB_ENTRY(pf_keth_anchor) entry_global;
struct pf_keth_anchor *parent;
struct pf_keth_anchor_node children;
char name[PF_ANCHOR_NAME_SIZE];
char path[MAXPATHLEN];
struct pf_keth_ruleset ruleset;
int refcnt;
uint8_t anchor_relative;
uint8_t anchor_wildcard;
};
RB_PROTOTYPE(pf_keth_anchor_node, pf_keth_anchor, entry_node,
pf_keth_anchor_compare);
RB_PROTOTYPE(pf_keth_anchor_global, pf_keth_anchor, entry_global,
pf_keth_anchor_compare);
struct pf_keth_rule {
#define PFE_SKIP_IFP 0
#define PFE_SKIP_DIR 1
#define PFE_SKIP_PROTO 2
#define PFE_SKIP_SRC_ADDR 3
#define PFE_SKIP_DST_ADDR 4
#define PFE_SKIP_SRC_IP_ADDR 5
#define PFE_SKIP_DST_IP_ADDR 6
#define PFE_SKIP_COUNT 7
union pf_keth_rule_ptr skip[PFE_SKIP_COUNT];
TAILQ_ENTRY(pf_keth_rule) entries;
struct pf_keth_anchor *anchor;
u_int8_t anchor_relative;
u_int8_t anchor_wildcard;
uint32_t nr;
bool quick;
char ifname[IFNAMSIZ];
struct pfi_kkif *kif;
bool ifnot;
uint8_t direction;
uint16_t proto;
struct pf_keth_rule_addr src, dst;
struct pf_rule_addr ipsrc, ipdst;
char match_tagname[PF_TAG_NAME_SIZE];
uint16_t match_tag;
bool match_tag_not;
counter_u64_t evaluations;
counter_u64_t packets[2];
counter_u64_t bytes[2];
time_t *timestamp;
char qname[PF_QNAME_SIZE];
int qid;
char tagname[PF_TAG_NAME_SIZE];
uint16_t tag;
char bridge_to_name[IFNAMSIZ];
struct pfi_kkif *bridge_to;
uint8_t action;
uint16_t dnpipe;
uint32_t dnflags;
char label[PF_RULE_MAX_LABEL_COUNT][PF_RULE_LABEL_SIZE];
uint32_t ridentifier;
};
struct pf_kthreshold {
uint32_t limit;
uint32_t seconds;
struct counter_rate *cr;
};
RB_HEAD(pf_krule_global, pf_krule);
RB_PROTOTYPE(pf_krule_global, pf_krule, entry_global, pf_krule_compare);
struct pf_krule {
struct pf_rule_addr src;
struct pf_rule_addr dst;
struct pf_krule *skip[PF_SKIP_COUNT];
char label[PF_RULE_MAX_LABEL_COUNT][PF_RULE_LABEL_SIZE];
uint32_t ridentifier;
char ifname[IFNAMSIZ];
char rcv_ifname[IFNAMSIZ];
char qname[PF_QNAME_SIZE];
char pqname[PF_QNAME_SIZE];
char tagname[PF_TAG_NAME_SIZE];
char match_tagname[PF_TAG_NAME_SIZE];
char overload_tblname[PF_TABLE_NAME_SIZE];
TAILQ_ENTRY(pf_krule) entries;
struct pf_kpool nat;
struct pf_kpool rdr;
struct pf_kpool route;
struct pf_kthreshold pktrate;
struct pf_counter_u64 evaluations;
struct pf_counter_u64 packets[2];
struct pf_counter_u64 bytes[2];
time_t *timestamp;
struct pfi_kkif *kif;
struct pfi_kkif *rcv_kif;
struct pf_kanchor *anchor;
struct pfr_ktable *overload_tbl;
pf_osfp_t os_fingerprint;
int32_t rtableid;
u_int32_t timeout[PFTM_MAX];
u_int32_t max_states;
u_int32_t max_src_nodes;
u_int32_t max_src_states;
u_int32_t max_src_conn;
struct {
u_int32_t limit;
u_int32_t seconds;
} max_src_conn_rate;
uint16_t max_pkt_size;
u_int16_t qid;
u_int16_t pqid;
u_int16_t dnpipe;
u_int16_t dnrpipe;
u_int32_t free_flags;
u_int32_t nr;
u_int32_t prob;
uid_t cuid;
pid_t cpid;
counter_u64_t states_cur;
counter_u64_t states_tot;
counter_u64_t src_nodes[PF_SN_MAX];
u_int16_t return_icmp;
u_int16_t return_icmp6;
u_int16_t max_mss;
u_int16_t tag;
u_int16_t match_tag;
u_int16_t scrub_flags;
struct pf_rule_uid uid;
struct pf_rule_gid gid;
u_int32_t rule_flag;
uint32_t rule_ref;
u_int8_t action;
u_int8_t direction;
u_int8_t log;
u_int8_t logif;
u_int8_t quick;
u_int8_t ifnot;
u_int8_t match_tag_not;
u_int8_t natpass;
u_int8_t keep_state;
sa_family_t af;
u_int8_t proto;
uint16_t type;
uint16_t code;
u_int8_t flags;
u_int8_t flagset;
u_int8_t min_ttl;
u_int8_t allow_opts;
u_int8_t rt;
u_int8_t return_ttl;
u_int8_t tos;
u_int8_t set_tos;
u_int8_t anchor_relative;
u_int8_t anchor_wildcard;
u_int8_t flush;
u_int8_t prio;
u_int8_t set_prio[2];
sa_family_t naf;
u_int8_t rcvifnot;
struct {
uint8_t id;
int limiter_action;
} statelim;
struct {
uint8_t id;
int limiter_action;
} sourcelim;
struct {
struct pf_addr addr;
u_int16_t port;
} divert;
u_int8_t md5sum[PF_MD5_DIGEST_LENGTH];
RB_ENTRY(pf_krule) entry_global;
#ifdef PF_WANT_32_TO_64_COUNTER
LIST_ENTRY(pf_krule) allrulelist;
bool allrulelinked;
#endif
time_t exptime;
};
struct pf_krule_item {
SLIST_ENTRY(pf_krule_item) entry;
struct pf_krule *r;
};
SLIST_HEAD(pf_krule_slist, pf_krule_item);
struct pf_ksrc_node {
LIST_ENTRY(pf_ksrc_node) entry;
struct pf_addr addr;
struct pf_addr raddr;
struct pf_krule_slist match_rules;
struct pf_krule *rule;
struct pfi_kkif *rkif;
counter_u64_t bytes[2];
counter_u64_t packets[2];
u_int32_t states;
u_int32_t conn;
struct pf_kthreshold conn_rate;
u_int32_t creation;
u_int32_t expire;
sa_family_t af;
sa_family_t raf;
u_int8_t ruletype;
pf_sn_types_t type;
struct mtx *lock;
};
#endif
struct pf_state_scrub {
struct timeval pfss_last;
u_int32_t pfss_tsecr;
u_int32_t pfss_tsval;
u_int32_t pfss_tsval0;
u_int16_t pfss_flags;
#define PFSS_TIMESTAMP 0x0001
#define PFSS_PAWS 0x0010
#define PFSS_PAWS_IDLED 0x0020
#define PFSS_DATA_TS 0x0040
#define PFSS_DATA_NOTS 0x0080
u_int8_t pfss_ttl;
u_int8_t pad;
union {
u_int32_t pfss_ts_mod;
u_int32_t pfss_v_tag;
};
};
struct pf_state_host {
struct pf_addr addr;
u_int16_t port;
u_int16_t pad;
};
struct pf_state_peer {
struct pf_state_scrub *scrub;
u_int32_t seqlo;
u_int32_t seqhi;
u_int32_t seqdiff;
u_int16_t max_win;
u_int16_t mss;
u_int8_t state;
u_int8_t wscale;
u_int8_t tcp_est;
u_int8_t pad[1];
};
struct pf_udp_endpoint_cmp {
struct pf_addr addr;
uint16_t port;
sa_family_t af;
uint8_t pad[1];
};
struct pf_udp_endpoint {
struct pf_addr addr;
uint16_t port;
sa_family_t af;
uint8_t pad[1];
struct pf_udp_mapping *mapping;
LIST_ENTRY(pf_udp_endpoint) entry;
};
struct pf_udp_mapping {
struct pf_udp_endpoint endpoints[2];
u_int refs;
};
struct pf_state_key_cmp {
struct pf_addr addr[2];
u_int16_t port[2];
sa_family_t af;
u_int8_t proto;
u_int8_t pad[2];
};
struct pf_state_key {
struct pf_addr addr[2];
u_int16_t port[2];
sa_family_t af;
u_int8_t proto;
u_int8_t pad[2];
LIST_ENTRY(pf_state_key) entry;
TAILQ_HEAD(, pf_kstate) states[2];
};
#define PF_REVERSED_KEY(state, family) \
(((state)->key[PF_SK_WIRE]->af != (state)->key[PF_SK_STACK]->af) && \
((state)->key[PF_SK_WIRE]->af != (family)) && \
((state)->direction == PF_IN))
struct pf_state_cmp {
u_int64_t id;
u_int32_t creatorid;
u_int8_t direction;
u_int8_t pad[3];
};
struct pf_state_scrub_export {
uint16_t pfss_flags;
uint8_t pfss_ttl;
#define PF_SCRUB_FLAG_VALID 0x01
uint8_t scrub_flag;
uint32_t pfss_ts_mod;
} __packed;
struct pf_state_key_export {
struct pf_addr addr[2];
uint16_t port[2];
};
struct pf_state_peer_export {
struct pf_state_scrub_export scrub;
uint32_t seqlo;
uint32_t seqhi;
uint32_t seqdiff;
uint16_t max_win;
uint16_t mss;
uint8_t state;
uint8_t wscale;
uint8_t dummy[6];
} __packed;
_Static_assert(sizeof(struct pf_state_peer_export) == 32, "size incorrect");
struct pf_state_export {
uint64_t version;
#define PF_STATE_VERSION 20230404
uint64_t id;
char ifname[IFNAMSIZ];
char orig_ifname[IFNAMSIZ];
struct pf_state_key_export key[2];
struct pf_state_peer_export src;
struct pf_state_peer_export dst;
struct pf_addr rt_addr;
uint32_t rule;
uint32_t anchor;
uint32_t nat_rule;
uint32_t creation;
uint32_t expire;
uint32_t spare0;
uint64_t packets[2];
uint64_t bytes[2];
uint32_t creatorid;
uint32_t spare1;
sa_family_t af;
uint8_t proto;
uint8_t direction;
uint8_t log;
uint8_t state_flags_compat;
uint8_t timeout;
uint8_t sync_flags;
uint8_t updates;
uint16_t state_flags;
uint16_t qid;
uint16_t pqid;
uint16_t dnpipe;
uint16_t dnrpipe;
int32_t rtableid;
uint8_t min_ttl;
uint8_t set_tos;
uint16_t max_mss;
uint8_t set_prio[2];
uint8_t rt;
char rt_ifname[IFNAMSIZ];
uint8_t spare[72];
};
_Static_assert(sizeof(struct pf_state_export) == 384, "size incorrect");
#define PF_STATELIM_NAME_LEN 16
#define PF_STATELIM_DESCR_LEN 64
#define PF_SOURCELIM_NAME_LEN 16
#define PF_SOURCELIM_DESCR_LEN 64
#ifdef _KERNEL
struct kstat;
#define PF_STATE_LINK_TYPE_STATELIM 1
#define PF_STATE_LINK_TYPE_SOURCELIM 2
struct pf_kstate;
struct pf_state_link {
TAILQ_ENTRY(pf_state_link) pfl_link;
SLIST_ENTRY(pf_state_link) pfl_linkage;
struct pf_kstate *pfl_state;
unsigned int pfl_type;
};
TAILQ_HEAD(pf_state_link_list, pf_state_link);
SLIST_HEAD(pf_state_linkage, pf_state_link);
struct pf_kstate {
u_int64_t id;
u_int32_t creatorid;
u_int8_t direction;
u_int8_t pad[3];
u_int16_t state_flags;
u_int8_t timeout;
u_int8_t sync_state;
u_int8_t sync_updates;
u_int refs;
struct mtx *lock;
TAILQ_ENTRY(pf_kstate) sync_list;
TAILQ_ENTRY(pf_kstate) key_list[2];
LIST_ENTRY(pf_kstate) entry;
struct pf_state_peer src;
struct pf_state_peer dst;
struct pf_krule_slist match_rules;
struct pf_krule *rule;
struct pf_krule *anchor;
struct pf_krule *nat_rule;
struct pf_state_key *key[2];
struct pf_udp_mapping *udp_mapping;
struct pfi_kkif *kif;
struct pfi_kkif *orig_kif;
struct pf_ksrc_node *sns[PF_SN_MAX];
u_int64_t packets[2];
u_int64_t bytes[2];
u_int64_t creation;
u_int64_t expire;
u_int32_t pfsync_time;
struct pf_rule_actions act;
u_int16_t tag;
u_int16_t if_index_in;
u_int16_t if_index_out;
uint8_t statelim;
uint8_t sourcelim;
struct pf_state_linkage linkage;
};
struct pf_limiter_rate {
unsigned int limit;
unsigned int seconds;
};
struct pf_statelim {
RB_ENTRY(pf_statelim) pfstlim_id_tree;
RB_ENTRY(pf_statelim) pfstlim_nm_tree;
TAILQ_ENTRY(pf_statelim) pfstlim_list;
struct kstat *pfstlim_ks;
uint32_t pfstlim_id;
char pfstlim_nm[PF_STATELIM_NAME_LEN];
unsigned int pfstlim_limit;
struct pf_limiter_rate pfstlim_rate;
struct mtx pfstlim_lock;
uint64_t pfstlim_rate_ts;
uint64_t pfstlim_rate_token;
uint64_t pfstlim_rate_bucket;
unsigned int pfstlim_inuse;
struct pf_state_link_list pfstlim_states;
struct {
uint64_t admitted;
uint64_t hardlimited;
uint64_t ratelimited;
} pfstlim_counters;
struct {
time_t created;
time_t updated;
time_t cleared;
} pfstlim_timestamps;
};
RB_HEAD(pf_statelim_id_tree, pf_statelim);
RB_PROTOTYPE(pf_statelim_id_tree, pf_statelim, pfstlim_id_tree, cmp);
RB_HEAD(pf_statelim_nm_tree, pf_statelim);
RB_PROTOTYPE(pf_statelim_nm_tree, pf_statelim, pfstlim_nm_tree, cmp);
TAILQ_HEAD(pf_statelim_list, pf_statelim);
VNET_DECLARE(struct pf_statelim_id_tree, pf_statelim_id_tree_active);
#define V_pf_statelim_id_tree_active VNET(pf_statelim_id_tree_active)
VNET_DECLARE(struct pf_statelim_list, pf_statelim_list_active);
#define V_pf_statelim_list_active VNET(pf_statelim_list_active)
VNET_DECLARE(struct pf_statelim_id_tree, pf_statelim_id_tree_inactive);
#define V_pf_statelim_id_tree_inactive VNET(pf_statelim_id_tree_inactive)
VNET_DECLARE(struct pf_statelim_nm_tree, pf_statelim_nm_tree_inactive);
#define V_pf_statelim_nm_tree_inactive VNET(pf_statelim_nm_tree_inactive)
VNET_DECLARE(struct pf_statelim_list, pf_statelim_list_inactive);
#define V_pf_statelim_list_inactive VNET(pf_statelim_list_inactive)
static inline unsigned int
pf_statelim_enter(struct pf_statelim *pfstlim)
{
mtx_lock(&pfstlim->pfstlim_lock);
return (0);
}
static inline void
pf_statelim_leave(struct pf_statelim *pfstlim, unsigned int gen)
{
return (mtx_unlock(&pfstlim->pfstlim_lock));
}
struct pf_sourcelim;
struct pf_source {
RB_ENTRY(pf_source) pfsr_tree;
RB_ENTRY(pf_source) pfsr_ioc_tree;
struct pf_sourcelim *pfsr_parent;
sa_family_t pfsr_af;
u_int16_t pfsr_rdomain;
struct pf_addr pfsr_addr;
unsigned int pfsr_inuse;
unsigned int pfsr_intable;
struct pf_state_link_list pfsr_states;
time_t pfsr_empty_ts;
TAILQ_ENTRY(pf_source) pfsr_empty_gc;
uint64_t pfsr_rate_ts;
struct {
uint64_t admitted;
uint64_t hardlimited;
uint64_t ratelimited;
} pfsr_counters;
};
RB_HEAD(pf_source_tree, pf_source);
RB_PROTOTYPE(pf_source_tree, pf_source, pfsr_tree, cmp);
RB_HEAD(pf_source_ioc_tree, pf_source);
RB_PROTOTYPE(pf_source_ioc_tree, pf_source, pfsr_ioc_tree, cmp);
TAILQ_HEAD(pf_source_list, pf_source);
struct pf_sourcelim {
RB_ENTRY(pf_sourcelim) pfsrlim_id_tree;
RB_ENTRY(pf_sourcelim) pfsrlim_nm_tree;
TAILQ_ENTRY(pf_sourcelim) pfsrlim_list;
struct kstat *pfsrlim_ks;
uint32_t pfsrlim_id;
char pfsrlim_nm[PF_SOURCELIM_NAME_LEN];
unsigned int pfsrlim_disabled;
unsigned int pfsrlim_entries;
unsigned int pfsrlim_limit;
unsigned int pfsrlim_ipv4_prefix;
unsigned int pfsrlim_ipv6_prefix;
struct pf_limiter_rate pfsrlim_rate;
struct {
char name[PF_TABLE_NAME_SIZE];
unsigned int hwm;
unsigned int lwm;
struct pfr_ktable *table;
} pfsrlim_overload;
struct mtx pfsrlim_lock;
struct pf_addr pfsrlim_ipv4_mask;
struct pf_addr pfsrlim_ipv6_mask;
uint64_t pfsrlim_rate_token;
uint64_t pfsrlim_rate_bucket;
unsigned int pfsrlim_nsources;
struct pf_source_tree pfsrlim_sources;
struct pf_source_ioc_tree pfsrlim_ioc_sources;
struct {
uint64_t addrallocs;
uint64_t addrlimited;
uint64_t addrnomem;
uint64_t inuse;
uint64_t admitted;
uint64_t hardlimited;
uint64_t ratelimited;
} pfsrlim_counters;
};
RB_HEAD(pf_sourcelim_id_tree, pf_sourcelim);
RB_PROTOTYPE(pf_sourcelim_id_tree, pf_sourcelim, pfsrlim_id_tree, cmp);
RB_HEAD(pf_sourcelim_nm_tree, pf_sourcelim);
RB_PROTOTYPE(pf_sourcelim_nm_tree, pf_sourcelim, pfsrlim_nm_tree, cmp);
TAILQ_HEAD(pf_sourcelim_list, pf_sourcelim);
VNET_DECLARE(struct pf_sourcelim_id_tree, pf_sourcelim_id_tree_active);
#define V_pf_sourcelim_id_tree_active VNET(pf_sourcelim_id_tree_active)
VNET_DECLARE(struct pf_sourcelim_list, pf_sourcelim_list_active);
#define V_pf_sourcelim_list_active VNET(pf_sourcelim_list_active)
VNET_DECLARE(struct pf_sourcelim_id_tree, pf_sourcelim_id_tree_inactive);
#define V_pf_sourcelim_id_tree_inactive VNET(pf_sourcelim_id_tree_inactive)
VNET_DECLARE(struct pf_sourcelim_nm_tree, pf_sourcelim_nm_tree_inactive);
#define V_pf_sourcelim_nm_tree_inactive VNET(pf_sourcelim_nm_tree_inactive)
VNET_DECLARE(struct pf_sourcelim_list, pf_sourcelim_list_inactive);
#define V_pf_sourcelim_list_inactive VNET(pf_sourcelim_list_inactive)
static inline unsigned int
pf_sourcelim_enter(struct pf_sourcelim *pfsrlim)
{
mtx_lock(&pfsrlim->pfsrlim_lock);
return (0);
}
static inline void
pf_sourcelim_leave(struct pf_sourcelim *pfsrlim, unsigned int gen)
{
mtx_unlock(&pfsrlim->pfsrlim_lock);
}
enum pf_test_status {
PF_TEST_FAIL = -1,
PF_TEST_OK,
PF_TEST_QUICK
};
struct pf_test_ctx {
enum pf_test_status test_status;
struct pf_pdesc *pd;
struct pf_rule_actions act;
uint8_t icmpcode;
uint8_t icmptype;
int icmp_dir;
int state_icmp;
int tag;
int rewrite;
int limiter_drop;
u_short reason;
struct pf_krule_slist *match_rules;
struct pf_krule_item *last_match_rule;
struct pf_krule *nr;
struct pf_krule *tr;
struct pf_krule **rm;
struct pf_krule *a;
struct pf_krule **am;
struct pf_kruleset **rsm;
struct pf_kruleset *arsm;
struct pf_kruleset *aruleset;
struct pf_state_key *sk;
struct pf_state_key *nk;
struct tcphdr *th;
struct pf_udp_mapping *udp_mapping;
struct pf_kpool *nat_pool;
uint16_t virtual_type;
uint16_t virtual_id;
int depth;
struct pf_statelim *statelim;
struct pf_sourcelim *sourcelim;
struct pf_source *source;
};
#define PF_ANCHOR_STACK_MAX 32
#endif
struct pfsync_state_key {
struct pf_addr addr[2];
u_int16_t port[2];
};
struct pfsync_state_1301 {
u_int64_t id;
char ifname[IFNAMSIZ];
struct pfsync_state_key key[2];
struct pf_state_peer_export src;
struct pf_state_peer_export dst;
struct pf_addr rt_addr;
u_int32_t rule;
u_int32_t anchor;
u_int32_t nat_rule;
u_int32_t creation;
u_int32_t expire;
u_int32_t packets[2][2];
u_int32_t bytes[2][2];
u_int32_t creatorid;
sa_family_t af;
u_int8_t proto;
u_int8_t direction;
u_int8_t __spare[2];
u_int8_t log;
u_int8_t state_flags;
u_int8_t timeout;
u_int8_t sync_flags;
u_int8_t updates;
} __packed;
struct pfsync_state_1400 {
u_int64_t id;
char ifname[IFNAMSIZ];
struct pfsync_state_key key[2];
struct pf_state_peer_export src;
struct pf_state_peer_export dst;
struct pf_addr rt_addr;
u_int32_t rule;
u_int32_t anchor;
u_int32_t nat_rule;
u_int32_t creation;
u_int32_t expire;
u_int32_t packets[2][2];
u_int32_t bytes[2][2];
u_int32_t creatorid;
sa_family_t af;
u_int8_t proto;
u_int8_t direction;
u_int16_t state_flags;
u_int8_t log;
u_int8_t __spare;
u_int8_t timeout;
u_int8_t sync_flags;
u_int8_t updates;
u_int16_t qid;
u_int16_t pqid;
u_int16_t dnpipe;
u_int16_t dnrpipe;
int32_t rtableid;
u_int8_t min_ttl;
u_int8_t set_tos;
u_int16_t max_mss;
u_int8_t set_prio[2];
u_int8_t rt;
char rt_ifname[IFNAMSIZ];
} __packed;
struct pfsync_state_1500 {
u_int64_t id;
char ifname[IFNAMSIZ];
struct pfsync_state_key key[2];
struct pf_state_peer_export src;
struct pf_state_peer_export dst;
struct pf_addr rt_addr;
u_int32_t rule;
u_int32_t anchor;
u_int32_t nat_rule;
u_int32_t creation;
u_int32_t expire;
u_int32_t packets[2][2];
u_int32_t bytes[2][2];
u_int32_t creatorid;
char tagname[PF_TAG_NAME_SIZE];
char rt_ifname[IFNAMSIZ];
char orig_ifname[IFNAMSIZ];
int32_t rtableid;
u_int16_t state_flags;
u_int16_t qid;
u_int16_t pqid;
u_int16_t dnpipe;
u_int16_t dnrpipe;
u_int16_t max_mss;
sa_family_t wire_af;
sa_family_t stack_af;
sa_family_t rt_af;
u_int8_t wire_proto;
u_int8_t stack_proto;
u_int8_t log;
u_int8_t timeout;
u_int8_t direction;
u_int8_t rt;
u_int8_t min_ttl;
u_int8_t set_tos;
u_int8_t set_prio[2];
u_int8_t spare[3];
} __packed;
union pfsync_state_union {
struct pfsync_state_1301 pfs_1301;
struct pfsync_state_1400 pfs_1400;
struct pfsync_state_1500 pfs_1500;
} __packed;
#ifdef _KERNEL
typedef int pfsync_state_import_t(union pfsync_state_union *, int, int);
typedef void pfsync_insert_state_t(struct pf_kstate *);
typedef void pfsync_update_state_t(struct pf_kstate *);
typedef void pfsync_delete_state_t(struct pf_kstate *);
typedef void pfsync_clear_states_t(u_int32_t, const char *);
typedef int pfsync_defer_t(struct pf_kstate *, struct mbuf *);
typedef void pfsync_detach_ifnet_t(struct ifnet *);
typedef void pflow_export_state_t(const struct pf_kstate *);
typedef bool pf_addr_filter_func_t(const sa_family_t, const struct pf_addr *);
VNET_DECLARE(pfsync_state_import_t *, pfsync_state_import_ptr);
#define V_pfsync_state_import_ptr VNET(pfsync_state_import_ptr)
VNET_DECLARE(pfsync_insert_state_t *, pfsync_insert_state_ptr);
#define V_pfsync_insert_state_ptr VNET(pfsync_insert_state_ptr)
VNET_DECLARE(pfsync_update_state_t *, pfsync_update_state_ptr);
#define V_pfsync_update_state_ptr VNET(pfsync_update_state_ptr)
VNET_DECLARE(pfsync_delete_state_t *, pfsync_delete_state_ptr);
#define V_pfsync_delete_state_ptr VNET(pfsync_delete_state_ptr)
VNET_DECLARE(pfsync_clear_states_t *, pfsync_clear_states_ptr);
#define V_pfsync_clear_states_ptr VNET(pfsync_clear_states_ptr)
VNET_DECLARE(pfsync_defer_t *, pfsync_defer_ptr);
#define V_pfsync_defer_ptr VNET(pfsync_defer_ptr)
VNET_DECLARE(pflow_export_state_t *, pflow_export_state_ptr);
#define V_pflow_export_state_ptr VNET(pflow_export_state_ptr)
extern pfsync_detach_ifnet_t *pfsync_detach_ifnet_ptr;
void pfsync_state_export_1301(struct pfsync_state_1301 *,
struct pf_kstate *);
void pfsync_state_export_1400(struct pfsync_state_1400 *,
struct pf_kstate *);
void pfsync_state_export_1500(struct pfsync_state_1500 *,
struct pf_kstate *);
void pf_state_export(struct pf_state_export *,
struct pf_kstate *);
struct pf_kruleset;
struct pf_pdesc;
typedef int pflog_packet_t(uint8_t, u_int8_t,
struct pf_krule *, struct pf_krule *, struct pf_kruleset *,
struct pf_pdesc *, int, struct pf_krule *);
extern pflog_packet_t *pflog_packet_ptr;
#endif
#define PFSYNC_FLAG_SRCNODE 0x04
#define PFSYNC_FLAG_NATSRCNODE 0x08
void pf_state_peer_hton(const struct pf_state_peer *,
struct pf_state_peer_export *);
void pf_state_peer_ntoh(const struct pf_state_peer_export *,
struct pf_state_peer *);
#define pf_state_counter_hton(s,d) do { \
d[0] = htonl((s>>32)&0xffffffff); \
d[1] = htonl(s&0xffffffff); \
} while (0)
#define pf_state_counter_from_pfsync(s) \
(((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1]))
#define pf_state_counter_ntoh(s,d) do { \
d = ntohl(s[0]); \
d = d<<32; \
d += ntohl(s[1]); \
} while (0)
TAILQ_HEAD(pf_krulequeue, pf_krule);
struct pf_kanchor;
struct pf_kruleset {
struct {
struct pf_krulequeue queues[2];
struct {
struct pf_krulequeue *ptr;
u_int32_t rcount;
u_int32_t ticket;
int open;
struct pf_krule_global *tree;
} active, inactive;
} rules[PF_RULESET_MAX];
struct pf_kanchor *anchor;
u_int32_t tticket;
int tables;
int topen;
};
RB_HEAD(pf_kanchor_global, pf_kanchor);
RB_HEAD(pf_kanchor_node, pf_kanchor);
struct pf_kanchor {
RB_ENTRY(pf_kanchor) entry_global;
RB_ENTRY(pf_kanchor) entry_node;
struct pf_kanchor *parent;
struct pf_kanchor_node children;
char name[PF_ANCHOR_NAME_SIZE];
char path[MAXPATHLEN];
struct pf_kruleset ruleset;
int refcnt;
};
RB_PROTOTYPE(pf_kanchor_global, pf_kanchor, entry_global, pf_anchor_compare);
RB_PROTOTYPE(pf_kanchor_node, pf_kanchor, entry_node, pf_kanchor_compare);
#define PF_RESERVED_ANCHOR "_pf"
#define PFR_TFLAG_PERSIST 0x00000001
#define PFR_TFLAG_CONST 0x00000002
#define PFR_TFLAG_ACTIVE 0x00000004
#define PFR_TFLAG_INACTIVE 0x00000008
#define PFR_TFLAG_REFERENCED 0x00000010
#define PFR_TFLAG_REFDANCHOR 0x00000020
#define PFR_TFLAG_COUNTERS 0x00000040
#define PFR_TFLAG_USRMASK (PFR_TFLAG_PERSIST | \
PFR_TFLAG_CONST | \
PFR_TFLAG_COUNTERS)
#define PFR_TFLAG_SETMASK (PFR_TFLAG_ACTIVE | \
PFR_TFLAG_INACTIVE | \
PFR_TFLAG_REFERENCED | \
PFR_TFLAG_REFDANCHOR)
#define PFR_TFLAG_ALLMASK (PFR_TFLAG_PERSIST | \
PFR_TFLAG_CONST | \
PFR_TFLAG_ACTIVE | \
PFR_TFLAG_INACTIVE | \
PFR_TFLAG_REFERENCED | \
PFR_TFLAG_REFDANCHOR | \
PFR_TFLAG_COUNTERS)
struct pf_keth_anchor_stackframe;
struct pfr_table {
char pfrt_anchor[MAXPATHLEN];
char pfrt_name[PF_TABLE_NAME_SIZE];
u_int32_t pfrt_flags;
u_int8_t pfrt_fback;
};
enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_NOCOUNT, PFR_FB_MAX };
struct pfr_addr {
union {
struct in_addr _pfra_ip4addr;
struct in6_addr _pfra_ip6addr;
} pfra_u;
u_int8_t pfra_af;
u_int8_t pfra_net;
u_int8_t pfra_not;
u_int8_t pfra_fback;
};
#define pfra_ip4addr pfra_u._pfra_ip4addr
#define pfra_ip6addr pfra_u._pfra_ip6addr
enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX };
enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX };
enum { PFR_TYPE_PACKETS, PFR_TYPE_BYTES, PFR_TYPE_MAX };
#define PFR_NUM_COUNTERS (PFR_DIR_MAX * PFR_OP_ADDR_MAX * PFR_TYPE_MAX)
#define PFR_OP_XPASS PFR_OP_ADDR_MAX
struct pfr_astats {
struct pfr_addr pfras_a;
u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
time_t pfras_tzero;
};
enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX };
struct pfr_tstats {
struct pfr_table pfrts_t;
u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
u_int64_t pfrts_match;
u_int64_t pfrts_nomatch;
time_t pfrts_tzero;
int pfrts_cnt;
int pfrts_refcnt[PFR_REFCNT_MAX];
};
#ifdef _KERNEL
struct pfr_kstate_counter {
counter_u64_t pkc_pcpu;
u_int64_t pkc_zero;
};
static inline int
pfr_kstate_counter_init(struct pfr_kstate_counter *pfrc, int flags)
{
pfrc->pkc_zero = 0;
pfrc->pkc_pcpu = counter_u64_alloc(flags);
if (pfrc->pkc_pcpu == NULL)
return (ENOMEM);
return (0);
}
static inline void
pfr_kstate_counter_deinit(struct pfr_kstate_counter *pfrc)
{
counter_u64_free(pfrc->pkc_pcpu);
}
static inline u_int64_t
pfr_kstate_counter_fetch(struct pfr_kstate_counter *pfrc)
{
u_int64_t c;
c = counter_u64_fetch(pfrc->pkc_pcpu);
c -= pfrc->pkc_zero;
return (c);
}
static inline void
pfr_kstate_counter_zero(struct pfr_kstate_counter *pfrc)
{
u_int64_t c;
c = counter_u64_fetch(pfrc->pkc_pcpu);
pfrc->pkc_zero = c;
}
static inline void
pfr_kstate_counter_add(struct pfr_kstate_counter *pfrc, int64_t n)
{
counter_u64_add(pfrc->pkc_pcpu, n);
}
struct pfr_ktstats {
struct pfr_table pfrts_t;
struct pfr_kstate_counter pfrkts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
struct pfr_kstate_counter pfrkts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
struct pfr_kstate_counter pfrkts_match;
struct pfr_kstate_counter pfrkts_nomatch;
time_t pfrkts_tzero;
int pfrkts_cnt;
int pfrkts_refcnt[PFR_REFCNT_MAX];
};
#endif
#define pfrts_name pfrts_t.pfrt_name
#define pfrts_flags pfrts_t.pfrt_flags
#ifndef _SOCKADDR_UNION_DEFINED
#define _SOCKADDR_UNION_DEFINED
union sockaddr_union {
struct sockaddr sa;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
};
#endif
struct pfr_kcounters {
counter_u64_t pfrkc_counters;
time_t pfrkc_tzero;
};
#define pfr_kentry_counter(kc, dir, op, t) \
((kc)->pfrkc_counters + \
(dir) * PFR_OP_ADDR_MAX * PFR_TYPE_MAX + (op) * PFR_TYPE_MAX + (t))
#ifdef _KERNEL
SLIST_HEAD(pfr_kentryworkq, pfr_kentry);
struct pfr_kentry {
struct radix_node pfrke_node[2];
union sockaddr_union pfrke_sa;
SLIST_ENTRY(pfr_kentry) pfrke_workq;
struct pfr_kcounters pfrke_counters;
u_int8_t pfrke_af;
u_int8_t pfrke_net;
u_int8_t pfrke_not;
u_int8_t pfrke_mark;
};
SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
RB_HEAD(pfr_ktablehead, pfr_ktable);
struct pfr_ktable {
struct pfr_ktstats pfrkt_kts;
RB_ENTRY(pfr_ktable) pfrkt_tree;
SLIST_ENTRY(pfr_ktable) pfrkt_workq;
struct radix_node_head *pfrkt_ip4;
struct radix_node_head *pfrkt_ip6;
struct pfr_ktable *pfrkt_shadow;
struct pfr_ktable *pfrkt_root;
struct pf_kruleset *pfrkt_rs;
long pfrkt_larg;
int pfrkt_nflags;
};
#define pfrkt_t pfrkt_kts.pfrts_t
#define pfrkt_name pfrkt_t.pfrt_name
#define pfrkt_anchor pfrkt_t.pfrt_anchor
#define pfrkt_ruleset pfrkt_t.pfrt_ruleset
#define pfrkt_flags pfrkt_t.pfrt_flags
#define pfrkt_cnt pfrkt_kts.pfrkts_cnt
#define pfrkt_refcnt pfrkt_kts.pfrkts_refcnt
#define pfrkt_packets pfrkt_kts.pfrkts_packets
#define pfrkt_bytes pfrkt_kts.pfrkts_bytes
#define pfrkt_match pfrkt_kts.pfrkts_match
#define pfrkt_nomatch pfrkt_kts.pfrkts_nomatch
#define pfrkt_tzero pfrkt_kts.pfrkts_tzero
#endif
#ifdef _KERNEL
struct pfi_kkif {
char pfik_name[IFNAMSIZ];
union {
RB_ENTRY(pfi_kkif) _pfik_tree;
LIST_ENTRY(pfi_kkif) _pfik_list;
} _pfik_glue;
#define pfik_tree _pfik_glue._pfik_tree
#define pfik_list _pfik_glue._pfik_list
struct pf_counter_u64 pfik_packets[2][2][2];
struct pf_counter_u64 pfik_bytes[2][2][2];
time_t pfik_tzero;
u_int pfik_flags;
struct ifnet *pfik_ifp;
struct ifg_group *pfik_group;
u_int pfik_rulerefs;
TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
#ifdef PF_WANT_32_TO_64_COUNTER
LIST_ENTRY(pfi_kkif) pfik_allkiflist;
#endif
};
#endif
#define PFI_IFLAG_REFS 0x0001
#define PFI_IFLAG_SKIP 0x0100
#define PFI_IFLAG_ANY 0x0200
#ifdef _KERNEL
struct pf_sctp_multihome_job;
TAILQ_HEAD(pf_sctp_multihome_jobs, pf_sctp_multihome_job);
struct pf_pdesc {
struct {
int done;
uid_t uid;
gid_t gid;
} lookup;
u_int64_t tot_len;
union pf_headers {
struct tcphdr tcp;
struct udphdr udp;
struct sctphdr sctp;
struct icmp icmp;
#ifdef INET6
struct icmp6_hdr icmp6;
#endif
char any[0];
} hdr;
struct pf_addr nsaddr;
struct pf_addr ndaddr;
struct pfi_kkif *kif;
struct mbuf *m;
struct pf_addr *src;
struct pf_addr *dst;
struct pf_addr osrc;
struct pf_addr odst;
u_int16_t *pcksum;
u_int16_t *sport;
u_int16_t *dport;
u_int16_t osport;
u_int16_t odport;
u_int16_t nsport;
u_int16_t ndport;
struct pf_mtag *pf_mtag;
struct pf_rule_actions act;
u_int32_t off;
bool df;
u_int32_t hdrlen;
u_int32_t p_len;
u_int32_t extoff;
u_int32_t fragoff;
u_int32_t jumbolen;
u_int32_t badopts;
#define PF_OPT_OTHER 0x0001
#define PF_OPT_JUMBO 0x0002
#define PF_OPT_ROUTER_ALERT 0x0004
u_int16_t *ip_sum;
u_int16_t flags;
#define PFDESC_TCP_NORM 0x0001
u_int16_t virtual_proto;
#define PF_VPROTO_FRAGMENT 256
sa_family_t af;
sa_family_t naf;
u_int8_t proto;
u_int8_t tos;
u_int8_t ttl;
u_int8_t dir;
u_int8_t sidx;
u_int8_t didx;
#define PFDESC_SCTP_INIT 0x0001
#define PFDESC_SCTP_INIT_ACK 0x0002
#define PFDESC_SCTP_COOKIE 0x0004
#define PFDESC_SCTP_COOKIE_ACK 0x0008
#define PFDESC_SCTP_ABORT 0x0010
#define PFDESC_SCTP_SHUTDOWN 0x0020
#define PFDESC_SCTP_SHUTDOWN_COMPLETE 0x0040
#define PFDESC_SCTP_DATA 0x0080
#define PFDESC_SCTP_ASCONF 0x0100
#define PFDESC_SCTP_HEARTBEAT 0x0200
#define PFDESC_SCTP_HEARTBEAT_ACK 0x0400
#define PFDESC_SCTP_OTHER 0x0800
#define PFDESC_SCTP_ADD_IP 0x1000
u_int16_t sctp_flags;
u_int32_t sctp_initiate_tag;
u_int16_t sctp_dummy_sum;
struct pf_krule *related_rule;
struct pf_sctp_multihome_jobs sctp_multihome_jobs;
};
struct pf_sctp_multihome_job {
TAILQ_ENTRY(pf_sctp_multihome_job) next;
struct pf_pdesc pd;
struct pf_addr src;
struct pf_addr dst;
int op;
};
#endif
#define PF_DPORT_RANGE 0x01
#define PF_RPORT_RANGE 0x02
#define PFUDPS_NO_TRAFFIC 0
#define PFUDPS_SINGLE 1
#define PFUDPS_MULTIPLE 2
#define PFUDPS_NSTATES 3
#define PFUDPS_NAMES { \
"NO_TRAFFIC", \
"SINGLE", \
"MULTIPLE", \
NULL \
}
#define PFOTHERS_NO_TRAFFIC 0
#define PFOTHERS_SINGLE 1
#define PFOTHERS_MULTIPLE 2
#define PFOTHERS_NSTATES 3
#define PFOTHERS_NAMES { \
"NO_TRAFFIC", \
"SINGLE", \
"MULTIPLE", \
NULL \
}
#define ACTION_SET(a, x) \
do { \
if ((a) != NULL) \
*(a) = (x); \
} while (0)
#define REASON_SET(a, x) \
do { \
SDT_PROBE2(pf, , test, reason_set, x, __LINE__); \
if ((a) != NULL) \
*(a) = (x); \
if (x < PFRES_MAX) \
counter_u64_add(V_pf_status.counters[x], 1); \
} while (0)
enum pf_syncookies_mode {
PF_SYNCOOKIES_NEVER = 0,
PF_SYNCOOKIES_ALWAYS = 1,
PF_SYNCOOKIES_ADAPTIVE = 2,
PF_SYNCOOKIES_MODE_MAX = PF_SYNCOOKIES_ADAPTIVE
};
#define PF_SYNCOOKIES_HIWATPCT 25
#define PF_SYNCOOKIES_LOWATPCT (PF_SYNCOOKIES_HIWATPCT / 2)
#define PF_STATELIM_ID_NONE 0
#define PF_STATELIM_ID_MIN 1
#define PF_STATELIM_ID_MAX 255
#define PF_STATELIM_LIMIT_MIN 1
#define PF_STATELIM_LIMIT_MAX (1 << 24)
#define PF_SOURCELIM_ID_NONE 0
#define PF_SOURCELIM_ID_MIN 1
#define PF_SOURCELIM_ID_MAX 255
#ifdef _KERNEL
struct pfioc_statelim {
uint32_t ticket;
char name[PF_STATELIM_NAME_LEN];
uint32_t id;
unsigned int limit;
struct pf_limiter_rate rate;
char description[PF_STATELIM_DESCR_LEN];
unsigned int inuse;
uint64_t admitted;
uint64_t hardlimited;
uint64_t ratelimited;
};
struct pfioc_sourcelim {
uint32_t ticket;
char name[PF_SOURCELIM_NAME_LEN];
uint32_t id;
unsigned int entries;
unsigned int limit;
struct pf_limiter_rate rate;
char overload_tblname[PF_TABLE_NAME_SIZE];
unsigned int overload_hwm;
unsigned int overload_lwm;
unsigned int inet_prefix;
unsigned int inet6_prefix;
char description[PF_SOURCELIM_DESCR_LEN];
unsigned int nentries;
unsigned int inuse;
uint64_t addrallocs;
uint64_t addrnomem;
uint64_t admitted;
uint64_t addrlimited;
uint64_t hardlimited;
uint64_t ratelimited;
};
struct pfioc_source_kill {
char name[PF_SOURCELIM_NAME_LEN];
uint32_t id;
unsigned int rdomain;
sa_family_t af;
struct pf_addr addr;
unsigned int rmstates;
};
int pf_statelim_add(const struct pfioc_statelim *);
struct pf_statelim *pf_statelim_rb_find(struct pf_statelim_id_tree *,
struct pf_statelim *);
struct pf_statelim *pf_statelim_rb_nfind(struct pf_statelim_id_tree *,
struct pf_statelim *);
int pf_statelim_get(struct pfioc_statelim *,
struct pf_statelim *(*rbt_op)(struct pf_statelim_id_tree *,
struct pf_statelim *));
int pf_sourcelim_add(const struct pfioc_sourcelim *);
struct pf_sourcelim *pf_sourcelim_rb_find(struct pf_sourcelim_id_tree *,
struct pf_sourcelim *);
struct pf_sourcelim *pf_sourcelim_rb_nfind(struct pf_sourcelim_id_tree *,
struct pf_sourcelim *);
int pf_sourcelim_get(struct pfioc_sourcelim *,
struct pf_sourcelim *(*rbt_op)(struct pf_sourcelim_id_tree *,
struct pf_sourcelim *));
struct pf_source *pf_source_rb_find(struct pf_source_ioc_tree *,
struct pf_source *);
struct pf_source *pf_source_rb_nfind(struct pf_source_ioc_tree *,
struct pf_source *);
int pf_source_clr(struct pfioc_source_kill *);
struct pf_kstatus {
counter_u64_t counters[PFRES_MAX];
counter_u64_t lcounters[KLCNT_MAX];
struct pf_counter_u64 fcounters[FCNT_MAX];
counter_u64_t scounters[SCNT_MAX];
counter_u64_t ncounters[NCNT_MAX];
uint32_t states;
uint32_t src_nodes;
uint32_t running;
uint32_t since;
uint32_t debug;
uint32_t hostid;
char ifname[IFNAMSIZ];
uint8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
bool keep_counters;
enum pf_syncookies_mode syncookies_mode;
bool syncookies_active;
uint64_t syncookies_inflight[2];
uint32_t states_halfopen;
uint32_t reass;
};
#endif
struct pf_divert {
union {
struct in_addr ipv4;
struct in6_addr ipv6;
} addr;
u_int16_t port;
};
#define PFFRAG_FRENT_HIWAT 5000
#define PFR_KENTRY_HIWAT 200000
struct pf_fragment_tag {
uint16_t ft_hdrlen;
uint16_t ft_extoff;
uint16_t ft_maxlen;
uint32_t ft_id;
};
#define PF_FRAG_ENTRY_POINTS 16
#define PF_FRAG_ENTRY_LIMIT 64
struct pfioc_pooladdr {
u_int32_t action;
u_int32_t ticket;
u_int32_t nr;
u_int32_t r_num;
u_int8_t r_action;
u_int8_t r_last;
u_int8_t af;
char anchor[MAXPATHLEN];
struct pf_pooladdr addr;
};
struct pfioc_rule {
u_int32_t action;
u_int32_t ticket;
u_int32_t pool_ticket;
u_int32_t nr;
char anchor[MAXPATHLEN];
char anchor_call[MAXPATHLEN];
struct pf_rule rule;
};
struct pfioc_natlook {
struct pf_addr saddr;
struct pf_addr daddr;
struct pf_addr rsaddr;
struct pf_addr rdaddr;
u_int16_t sport;
u_int16_t dport;
u_int16_t rsport;
u_int16_t rdport;
sa_family_t af;
u_int8_t proto;
u_int8_t direction;
};
struct pfioc_state {
struct pfsync_state_1301 state;
};
struct pfioc_src_node_kill {
sa_family_t psnk_af;
struct pf_rule_addr psnk_src;
struct pf_rule_addr psnk_dst;
u_int psnk_killed;
};
#ifdef _KERNEL
struct pf_kstate_kill {
struct pf_state_cmp psk_pfcmp;
sa_family_t psk_af;
int psk_proto;
struct pf_rule_addr psk_src;
struct pf_rule_addr psk_dst;
struct pf_rule_addr psk_rt_addr;
char psk_ifname[IFNAMSIZ];
char psk_label[PF_RULE_LABEL_SIZE];
u_int psk_killed;
bool psk_kill_match;
bool psk_nat;
};
#endif
struct pfioc_state_kill {
struct pf_state_cmp psk_pfcmp;
sa_family_t psk_af;
int psk_proto;
struct pf_rule_addr psk_src;
struct pf_rule_addr psk_dst;
char psk_ifname[IFNAMSIZ];
char psk_label[PF_RULE_LABEL_SIZE];
u_int psk_killed;
};
struct pfioc_states {
int ps_len;
union {
void *ps_buf;
struct pfsync_state_1301 *ps_states;
};
};
struct pfioc_states_v2 {
int ps_len;
uint64_t ps_req_version;
union {
void *ps_buf;
struct pf_state_export *ps_states;
};
};
struct pfioc_src_nodes {
int psn_len;
union {
void *psn_buf;
struct pf_src_node *psn_src_nodes;
};
};
struct pfioc_if {
char ifname[IFNAMSIZ];
};
struct pfioc_tm {
int timeout;
int seconds;
};
struct pfioc_limit {
int index;
unsigned limit;
};
struct pfioc_altq_v0 {
u_int32_t action;
u_int32_t ticket;
u_int32_t nr;
struct pf_altq_v0 altq;
};
struct pfioc_altq_v1 {
u_int32_t action;
u_int32_t ticket;
u_int32_t nr;
u_int32_t version;
struct pf_altq_v1 altq;
};
#define PFIOC_ALTQ_VERSION PF_ALTQ_VERSION
struct pfioc_qstats_v0 {
u_int32_t ticket;
u_int32_t nr;
void *buf;
int nbytes;
u_int8_t scheduler;
};
struct pfioc_qstats_v1 {
u_int32_t ticket;
u_int32_t nr;
void *buf;
int nbytes;
u_int8_t scheduler;
u_int32_t version;
};
#define PFIOC_QSTATS_VERSION 1
struct pfioc_ruleset {
u_int32_t nr;
char path[MAXPATHLEN];
char name[PF_ANCHOR_NAME_SIZE];
};
#define PF_RULESET_ALTQ (PF_RULESET_MAX)
#define PF_RULESET_TABLE (PF_RULESET_MAX+1)
#define PF_RULESET_ETH (PF_RULESET_MAX+2)
struct pfioc_trans {
int size;
int esize;
struct pfioc_trans_e {
int rs_num;
char anchor[MAXPATHLEN];
u_int32_t ticket;
} *array;
};
#define PFR_FLAG_START 0x00000001
#define PFR_FLAG_DUMMY 0x00000002
#define PFR_FLAG_FEEDBACK 0x00000004
#define PFR_FLAG_CLSTATS 0x00000008
#define PFR_FLAG_ADDRSTOO 0x00000010
#define PFR_FLAG_REPLACE 0x00000020
#define PFR_FLAG_ALLRSETS 0x00000040
#define PFR_FLAG_DONE 0x00000080
#define PFR_FLAG_ALLMASK 0x000000FF
#ifdef _KERNEL
#define PFR_FLAG_USERIOCTL 0x10000000
#endif
struct pfioc_table {
struct pfr_table pfrio_table;
void *pfrio_buffer;
int pfrio_esize;
int pfrio_size;
int pfrio_size2;
int pfrio_nadd;
int pfrio_ndel;
int pfrio_nchange;
int pfrio_flags;
u_int32_t pfrio_ticket;
};
#define pfrio_exists pfrio_nadd
#define pfrio_nzero pfrio_nadd
#define pfrio_nmatch pfrio_nadd
#define pfrio_naddr pfrio_size2
#define pfrio_setflag pfrio_size2
#define pfrio_clrflag pfrio_nadd
struct pfioc_iface {
char pfiio_name[IFNAMSIZ];
void *pfiio_buffer;
int pfiio_esize;
int pfiio_size;
int pfiio_nzero;
int pfiio_flags;
};
#define DIOCSTART _IO ('D', 1)
#define DIOCSTOP _IO ('D', 2)
#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
#define DIOCADDRULENV _IOWR('D', 4, struct pfioc_nv)
#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
#define DIOCGETRULENV _IOWR('D', 7, struct pfioc_nv)
#define DIOCCLRSTATESNV _IOWR('D', 18, struct pfioc_nv)
#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
#define DIOCGETSTATENV _IOWR('D', 19, struct pfioc_nv)
#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
#define DIOCGETSTATUSNV _IOWR('D', 21, struct pfioc_nv)
#define DIOCCLRSTATUS _IO ('D', 22)
#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
#ifdef COMPAT_FREEBSD14
#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
#endif
#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
#define DIOCCLRRULECTRS _IO ('D', 38)
#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
#define DIOCKILLSTATESNV _IOWR('D', 41, struct pfioc_nv)
#define DIOCSTARTALTQ _IO ('D', 42)
#define DIOCSTOPALTQ _IO ('D', 43)
#define DIOCADDALTQV0 _IOWR('D', 45, struct pfioc_altq_v0)
#define DIOCADDALTQV1 _IOWR('D', 45, struct pfioc_altq_v1)
#define DIOCGETALTQSV0 _IOWR('D', 47, struct pfioc_altq_v0)
#define DIOCGETALTQSV1 _IOWR('D', 47, struct pfioc_altq_v1)
#define DIOCGETALTQV0 _IOWR('D', 48, struct pfioc_altq_v0)
#define DIOCGETALTQV1 _IOWR('D', 48, struct pfioc_altq_v1)
#define DIOCCHANGEALTQV0 _IOWR('D', 49, struct pfioc_altq_v0)
#define DIOCCHANGEALTQV1 _IOWR('D', 49, struct pfioc_altq_v1)
#define DIOCGETQSTATSV0 _IOWR('D', 50, struct pfioc_qstats_v0)
#define DIOCGETQSTATSV1 _IOWR('D', 50, struct pfioc_qstats_v1)
#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
#define DIOCOSFPFLUSH _IO('D', 78)
#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
#define DIOCCLRSRCNODES _IO('D', 85)
#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
#define DIOCGIFSPEEDV0 _IOWR('D', 92, struct pf_ifspeed_v0)
#define DIOCGIFSPEEDV1 _IOWR('D', 92, struct pf_ifspeed_v1)
#ifdef COMPAT_FREEBSD14
#define DIOCGETSTATESV2 _IOWR('D', 93, struct pfioc_states_v2)
#endif
#define DIOCGETSYNCOOKIES _IOWR('D', 94, struct pfioc_nv)
#define DIOCSETSYNCOOKIES _IOWR('D', 95, struct pfioc_nv)
#define DIOCKEEPCOUNTERS _IOWR('D', 96, struct pfioc_nv)
#define DIOCKEEPCOUNTERS_FREEBSD13 _IOWR('D', 92, struct pfioc_nv)
#define DIOCADDETHRULE _IOWR('D', 97, struct pfioc_nv)
#define DIOCGETETHRULE _IOWR('D', 98, struct pfioc_nv)
#define DIOCGETETHRULES _IOWR('D', 99, struct pfioc_nv)
#define DIOCGETETHRULESETS _IOWR('D', 100, struct pfioc_nv)
#define DIOCGETETHRULESET _IOWR('D', 101, struct pfioc_nv)
#define DIOCSETREASS _IOWR('D', 102, u_int32_t)
struct pf_ifspeed_v0 {
char ifname[IFNAMSIZ];
u_int32_t baudrate;
};
struct pf_ifspeed_v1 {
char ifname[IFNAMSIZ];
u_int32_t baudrate32;
u_int64_t baudrate;
};
#define PF_IFSPEED_VERSION 1
#ifndef _KERNEL
#ifdef PFIOC_USE_LATEST
#define pfioc_altq __CONCAT(pfioc_altq_v, PFIOC_ALTQ_VERSION)
#define pfioc_qstats __CONCAT(pfioc_qstats_v, PFIOC_QSTATS_VERSION)
#define pf_ifspeed __CONCAT(pf_ifspeed_v, PF_IFSPEED_VERSION)
#define DIOCADDALTQ __CONCAT(DIOCADDALTQV, PFIOC_ALTQ_VERSION)
#define DIOCGETALTQS __CONCAT(DIOCGETALTQSV, PFIOC_ALTQ_VERSION)
#define DIOCGETALTQ __CONCAT(DIOCGETALTQV, PFIOC_ALTQ_VERSION)
#define DIOCCHANGEALTQ __CONCAT(DIOCCHANGEALTQV, PFIOC_ALTQ_VERSION)
#define DIOCGETQSTATS __CONCAT(DIOCGETQSTATSV, PFIOC_QSTATS_VERSION)
#define DIOCGIFSPEED __CONCAT(DIOCGIFSPEEDV, PF_IFSPEED_VERSION)
#else
#define pfioc_altq __CONCAT(pfioc_altq_v, 0)
#define pfioc_qstats __CONCAT(pfioc_qstats_v, 0)
#define pf_ifspeed __CONCAT(pf_ifspeed_v, 0)
#define DIOCADDALTQ __CONCAT(DIOCADDALTQV, 0)
#define DIOCGETALTQS __CONCAT(DIOCGETALTQSV, 0)
#define DIOCGETALTQ __CONCAT(DIOCGETALTQV, 0)
#define DIOCCHANGEALTQ __CONCAT(DIOCCHANGEALTQV, 0)
#define DIOCGETQSTATS __CONCAT(DIOCGETQSTATSV, 0)
#define DIOCGIFSPEED __CONCAT(DIOCGIFSPEEDV, 0)
#endif
#endif
#ifdef _KERNEL
LIST_HEAD(pf_ksrc_node_list, pf_ksrc_node);
struct pf_srchash {
struct pf_ksrc_node_list nodes;
struct mtx lock;
};
struct pf_keyhash {
LIST_HEAD(, pf_state_key) keys;
struct mtx lock;
};
struct pf_idhash {
LIST_HEAD(, pf_kstate) states;
struct mtx lock;
};
struct pf_udpendpointhash {
LIST_HEAD(, pf_udp_endpoint) endpoints;
struct mtx lock;
};
extern u_long pf_ioctl_maxcount;
VNET_DECLARE(u_long, pf_hashmask);
#define V_pf_hashmask VNET(pf_hashmask)
VNET_DECLARE(u_long, pf_srchashmask);
#define V_pf_srchashmask VNET(pf_srchashmask)
VNET_DECLARE(u_long, pf_udpendpointhashmask);
#define V_pf_udpendpointhashmask VNET(pf_udpendpointhashmask)
#define PF_HASHSIZ (131072)
#define PF_SRCHASHSIZ (PF_HASHSIZ/4)
#define PF_UDPENDHASHSIZ (PF_HASHSIZ/4)
VNET_DECLARE(struct pf_keyhash *, pf_keyhash);
VNET_DECLARE(struct pf_idhash *, pf_idhash);
VNET_DECLARE(struct pf_udpendpointhash *, pf_udpendpointhash);
#define V_pf_keyhash VNET(pf_keyhash)
#define V_pf_idhash VNET(pf_idhash)
#define V_pf_udpendpointhash VNET(pf_udpendpointhash)
VNET_DECLARE(struct pf_srchash *, pf_srchash);
#define V_pf_srchash VNET(pf_srchash)
#define PF_IDHASHID(id) (be64toh(id) % (V_pf_hashmask + 1))
#define PF_IDHASH(s) PF_IDHASHID((s)->id)
VNET_DECLARE(void *, pf_swi_cookie);
#define V_pf_swi_cookie VNET(pf_swi_cookie)
VNET_DECLARE(struct intr_event *, pf_swi_ie);
#define V_pf_swi_ie VNET(pf_swi_ie)
VNET_DECLARE(struct unrhdr64, pf_stateid);
#define V_pf_stateid VNET(pf_stateid)
TAILQ_HEAD(pf_altqqueue, pf_altq);
VNET_DECLARE(struct pf_altqqueue, pf_altqs[4]);
#define V_pf_altqs VNET(pf_altqs)
VNET_DECLARE(struct pf_kpalist, pf_pabuf[3]);
#define V_pf_pabuf VNET(pf_pabuf)
VNET_DECLARE(u_int32_t, ticket_altqs_active);
#define V_ticket_altqs_active VNET(ticket_altqs_active)
VNET_DECLARE(u_int32_t, ticket_altqs_inactive);
#define V_ticket_altqs_inactive VNET(ticket_altqs_inactive)
VNET_DECLARE(int, altqs_inactive_open);
#define V_altqs_inactive_open VNET(altqs_inactive_open)
VNET_DECLARE(u_int32_t, ticket_pabuf);
#define V_ticket_pabuf VNET(ticket_pabuf)
VNET_DECLARE(struct pf_altqqueue *, pf_altqs_active);
#define V_pf_altqs_active VNET(pf_altqs_active)
VNET_DECLARE(struct pf_altqqueue *, pf_altq_ifs_active);
#define V_pf_altq_ifs_active VNET(pf_altq_ifs_active)
VNET_DECLARE(struct pf_altqqueue *, pf_altqs_inactive);
#define V_pf_altqs_inactive VNET(pf_altqs_inactive)
VNET_DECLARE(struct pf_altqqueue *, pf_altq_ifs_inactive);
#define V_pf_altq_ifs_inactive VNET(pf_altq_ifs_inactive)
VNET_DECLARE(struct pf_krulequeue, pf_unlinked_rules);
#define V_pf_unlinked_rules VNET(pf_unlinked_rules)
#ifdef PF_WANT_32_TO_64_COUNTER
LIST_HEAD(allkiflist_head, pfi_kkif);
VNET_DECLARE(struct allkiflist_head, pf_allkiflist);
#define V_pf_allkiflist VNET(pf_allkiflist)
VNET_DECLARE(size_t, pf_allkifcount);
#define V_pf_allkifcount VNET(pf_allkifcount)
VNET_DECLARE(struct pfi_kkif *, pf_kifmarker);
#define V_pf_kifmarker VNET(pf_kifmarker)
LIST_HEAD(allrulelist_head, pf_krule);
VNET_DECLARE(struct allrulelist_head, pf_allrulelist);
#define V_pf_allrulelist VNET(pf_allrulelist)
VNET_DECLARE(size_t, pf_allrulecount);
#define V_pf_allrulecount VNET(pf_allrulecount)
VNET_DECLARE(struct pf_krule *, pf_rulemarker);
#define V_pf_rulemarker VNET(pf_rulemarker)
#endif
int pf_start(void);
int pf_stop(void);
void pf_initialize(void);
void pf_mtag_initialize(void);
void pf_mtag_cleanup(void);
void pf_cleanup(void);
struct pf_mtag *pf_get_mtag(struct mbuf *);
extern void pf_calc_skip_steps(struct pf_krulequeue *);
#ifdef ALTQ
extern void pf_altq_ifnet_event(struct ifnet *, int);
#endif
VNET_DECLARE(uma_zone_t, pf_state_z);
#define V_pf_state_z VNET(pf_state_z)
VNET_DECLARE(uma_zone_t, pf_state_key_z);
#define V_pf_state_key_z VNET(pf_state_key_z)
VNET_DECLARE(uma_zone_t, pf_udp_mapping_z);
#define V_pf_udp_mapping_z VNET(pf_udp_mapping_z)
VNET_DECLARE(uma_zone_t, pf_state_scrub_z);
#define V_pf_state_scrub_z VNET(pf_state_scrub_z)
VNET_DECLARE(uma_zone_t, pf_anchor_z);
#define V_pf_anchor_z VNET(pf_anchor_z)
VNET_DECLARE(uma_zone_t, pf_eth_anchor_z);
#define V_pf_eth_anchor_z VNET(pf_eth_anchor_z)
extern void pf_purge_thread(void *);
extern void pf_unload_vnet_purge(void);
extern void pf_intr(void *);
extern void pf_purge_expired_src_nodes(void);
extern int pf_remove_state(struct pf_kstate *);
extern int pf_state_insert(struct pfi_kkif *,
struct pfi_kkif *,
struct pf_state_key *,
struct pf_state_key *,
struct pf_kstate *);
extern struct pf_kstate *pf_alloc_state(int);
extern void pf_free_state(struct pf_kstate *);
extern void pf_killstates(struct pf_kstate_kill *,
unsigned int *);
extern unsigned int pf_clear_states(const struct pf_kstate_kill *);
static __inline void
pf_ref_state(struct pf_kstate *s)
{
refcount_acquire(&s->refs);
}
static __inline int
pf_release_state(struct pf_kstate *s)
{
if (refcount_release(&s->refs)) {
pf_free_state(s);
return (1);
} else
return (0);
}
static __inline int
pf_release_staten(struct pf_kstate *s, u_int n)
{
if (refcount_releasen(&s->refs, n)) {
pf_free_state(s);
return (1);
} else
return (0);
}
static __inline uint64_t
pf_get_uptime(void)
{
struct timeval t;
microuptime(&t);
return ((t.tv_sec * 1000) + (t.tv_usec / 1000));
}
static __inline uint64_t
pf_get_time(void)
{
struct timeval t;
microtime(&t);
return ((t.tv_sec * 1000) + (t.tv_usec / 1000));
}
static inline uint64_t
SEC_TO_NSEC(uint64_t seconds)
{
if (seconds > UINT64_MAX / 1000000000ULL)
return (UINT64_MAX);
return (seconds * 1000000000ULL);
}
extern struct pf_kstate *pf_find_state_byid(uint64_t, uint32_t);
extern struct pf_kstate *pf_find_state_all(
const struct pf_state_key_cmp *,
u_int, int *);
extern bool pf_find_state_all_exists(
const struct pf_state_key_cmp *,
u_int);
extern struct pf_udp_mapping *pf_udp_mapping_find(struct pf_udp_endpoint_cmp
*endpoint);
extern struct pf_udp_mapping *pf_udp_mapping_create(sa_family_t af,
struct pf_addr *src_addr, uint16_t src_port,
struct pf_addr *nat_addr, uint16_t nat_port);
extern int pf_udp_mapping_insert(struct pf_udp_mapping
*mapping);
extern void pf_udp_mapping_release(struct pf_udp_mapping
*mapping);
uint32_t pf_hashsrc(struct pf_addr *, sa_family_t);
extern bool pf_src_node_exists(struct pf_ksrc_node **,
struct pf_srchash *);
extern struct pf_ksrc_node *pf_find_src_node(struct pf_addr *,
struct pf_krule *, sa_family_t,
struct pf_srchash **, pf_sn_types_t, bool);
extern void pf_unlink_src_node(struct pf_ksrc_node *);
extern u_int pf_free_src_nodes(struct pf_ksrc_node_list *);
extern void pf_free_src_node(struct pf_ksrc_node *);
extern void pf_print_state(struct pf_kstate *);
extern void pf_print_flags(uint16_t);
extern int pf_addr_wrap_neq(struct pf_addr_wrap *,
struct pf_addr_wrap *);
extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
u_int8_t);
extern u_int16_t pf_proto_cksum_fixup(struct mbuf *, u_int16_t,
u_int16_t, u_int16_t, u_int8_t);
VNET_DECLARE(struct pf_krule, pf_default_rule);
#define V_pf_default_rule VNET(pf_default_rule)
extern void pf_addrcpy(struct pf_addr *, const struct pf_addr *,
sa_family_t);
void pf_free_rule(struct pf_krule *);
struct inpcb;
int pf_test_eth(int, int, struct ifnet *, struct mbuf **, struct inpcb *);
int pf_scan_sctp(struct pf_pdesc *);
#if defined(INET) || defined(INET6)
int pf_test(sa_family_t, int, int, struct ifnet *, struct mbuf **, struct inpcb *,
struct pf_rule_actions *);
#endif
#ifdef INET
int pf_normalize_ip(u_short *, struct pf_pdesc *);
#endif
void pf_poolmask(struct pf_addr *, struct pf_addr*,
struct pf_addr *, struct pf_addr *, sa_family_t);
void pf_addr_inc(struct pf_addr *, sa_family_t);
#ifdef INET6
int pf_normalize_ip6(int, u_short *, struct pf_pdesc *);
int pf_max_frag_size(struct mbuf *);
int pf_refragment6(struct ifnet *, struct mbuf **, struct m_tag *,
struct ifnet *, bool);
#endif
int pf_multihome_scan_init(int, int, struct pf_pdesc *);
int pf_multihome_scan_asconf(int, int, struct pf_pdesc *);
u_int32_t pf_new_isn(struct pf_kstate *);
void *pf_pull_hdr(const struct mbuf *, int, void *, int, u_short *,
sa_family_t);
void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
void pf_change_proto_a(struct mbuf *, void *, u_int16_t *, u_int32_t,
u_int8_t);
void pf_change_tcp_a(struct mbuf *, void *, u_int16_t *, u_int32_t);
int pf_patch_16(struct pf_pdesc *, void *, u_int16_t, bool);
int pf_patch_32(struct pf_pdesc *, void *, u_int32_t, bool);
void pf_send_deferred_syn(struct pf_kstate *);
int pf_match_addr(u_int8_t, const struct pf_addr *,
const struct pf_addr *, const struct pf_addr *, sa_family_t);
int pf_match_addr_range(const struct pf_addr *, const struct pf_addr *,
const struct pf_addr *, sa_family_t);
int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
void pf_normalize_init(void);
void pf_normalize_cleanup(void);
uint64_t pf_normalize_get_frag_count(void);
int pf_normalize_tcp(struct pf_pdesc *);
void pf_normalize_tcp_cleanup(struct pf_kstate *);
int pf_normalize_tcp_init(struct pf_pdesc *,
struct tcphdr *, struct pf_state_peer *);
int pf_normalize_tcp_stateful(struct pf_pdesc *,
u_short *, struct tcphdr *, struct pf_kstate *,
struct pf_state_peer *, struct pf_state_peer *, int *);
int pf_normalize_sctp_init(struct pf_pdesc *,
struct pf_state_peer *, struct pf_state_peer *);
int pf_normalize_sctp(struct pf_pdesc *);
u_int32_t
pf_state_expires(const struct pf_kstate *);
void pf_purge_expired_fragments(void);
void pf_purge_fragments(uint32_t);
int pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kkif *,
int);
int pf_socket_lookup(struct pf_pdesc *);
struct pf_state_key *pf_alloc_state_key(int);
int pf_translate(struct pf_pdesc *, struct pf_addr *, u_int16_t,
struct pf_addr *, u_int16_t, u_int16_t, int);
bool pf_init_threshold(struct pf_kthreshold *, uint32_t, uint32_t);
uint16_t pf_tagname2tag(const char *);
#ifdef ALTQ
uint16_t pf_qname2qid(const char *, bool);
#endif
void pfr_initialize(void);
void pfr_cleanup(void);
struct pfr_kentry *
pfr_kentry_byaddr(struct pfr_ktable *, struct pf_addr *, sa_family_t,
int);
int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
u_int64_t, int, int, int);
int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, sa_family_t,
pf_addr_filter_func_t, bool);
void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
struct pfr_ktable *
pfr_attach_table(struct pf_kruleset *, char *);
struct pfr_ktable *
pfr_eth_attach_table(struct pf_keth_ruleset *, char *);
void pfr_detach_table(struct pfr_ktable *);
int pfr_clr_tables(struct pfr_table *, int *, int);
int pfr_add_tables(struct pfr_table *, int, int *, int);
int pfr_del_tables(struct pfr_table *, int, int *, int);
int pfr_table_count(struct pfr_table *, int);
int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
int pfr_clr_tstats(struct pfr_table *, int, int *, int);
int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
int pfr_clr_addrs(struct pfr_table *, int *, int);
int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, time_t);
int pfr_remove_kentry(struct pfr_ktable *, struct pfr_addr *);
int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
int);
int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
int);
int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
int *, int *, int *, int, u_int32_t);
int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
int pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *,
int);
int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
int);
int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int);
int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int);
int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int);
int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
int *, u_int32_t, int);
struct pfr_ktable
*pfr_ktable_select_active(struct pfr_ktable *);
MALLOC_DECLARE(PFI_MTYPE);
VNET_DECLARE(struct pfi_kkif *, pfi_all);
#define V_pfi_all VNET(pfi_all)
void pfi_initialize(void);
void pfi_initialize_vnet(void);
void pfi_cleanup(void);
void pfi_cleanup_vnet(void);
void pfi_kkif_ref(struct pfi_kkif *);
void pfi_kkif_unref(struct pfi_kkif *);
struct pfi_kkif *pfi_kkif_find(const char *);
struct pfi_kkif *pfi_kkif_attach(struct pfi_kkif *, const char *);
int pfi_kkif_match(struct pfi_kkif *, struct pfi_kkif *);
void pfi_kkif_purge(void);
int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
sa_family_t);
int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
void pfi_dynaddr_remove(struct pfi_dynaddr *);
void pfi_dynaddr_copyout(struct pf_addr_wrap *);
void pfi_update_status(const char *, struct pf_status *);
void pfi_get_ifaces(const char *, struct pfi_kif *, int *);
int pfi_set_flags(const char *, int);
int pfi_clear_flags(const char *, int);
int pf_match_tag(struct mbuf *, struct pf_krule *, int *, int);
int pf_tag_packet(struct pf_pdesc *, int);
int pf_addr_cmp(const struct pf_addr *, const struct pf_addr *,
sa_family_t);
uint8_t* pf_find_tcpopt(u_int8_t *, u_int8_t *, size_t,
u_int8_t, u_int8_t);
u_int16_t pf_get_mss(struct pf_pdesc *);
u_int8_t pf_get_wscale(struct pf_pdesc *);
struct mbuf *pf_build_tcp(const struct pf_krule *, sa_family_t,
const struct pf_addr *, const struct pf_addr *,
u_int16_t, u_int16_t, u_int32_t, u_int32_t,
u_int8_t, u_int16_t, u_int16_t, u_int8_t, int,
u_int16_t, u_int16_t, u_int, int, u_short *);
void pf_send_tcp(const struct pf_krule *, sa_family_t,
const struct pf_addr *, const struct pf_addr *,
u_int16_t, u_int16_t, u_int32_t, u_int32_t,
u_int8_t, u_int16_t, u_int16_t, u_int8_t, int,
u_int16_t, u_int16_t, int, u_short *);
void pf_syncookies_init(void);
void pf_syncookies_cleanup(void);
int pf_get_syncookies(struct pfioc_nv *);
int pf_set_syncookies(struct pfioc_nv *);
int pf_synflood_check(struct pf_pdesc *);
void pf_syncookie_send(struct pf_pdesc *, u_short *);
bool pf_syncookie_check(struct pf_pdesc *);
u_int8_t pf_syncookie_validate(struct pf_pdesc *);
struct mbuf * pf_syncookie_recreate_syn(struct pf_pdesc *,
u_short *);
VNET_DECLARE(struct pf_kstatus, pf_status);
#define V_pf_status VNET(pf_status)
struct pf_limit {
uma_zone_t zone;
u_int limit;
};
VNET_DECLARE(struct pf_limit, pf_limits[PF_LIMIT_MAX]);
#define V_pf_limits VNET(pf_limits)
#endif
#ifdef _KERNEL
struct pf_nl_pooladdr {
u_int32_t action;
u_int32_t ticket;
u_int32_t nr;
u_int32_t r_num;
u_int8_t r_action;
u_int8_t r_last;
u_int8_t af;
char anchor[MAXPATHLEN];
struct pf_pooladdr addr;
int which;
};
VNET_DECLARE(struct pf_kanchor_global, pf_anchors);
#define V_pf_anchors VNET(pf_anchors)
VNET_DECLARE(struct pf_kanchor, pf_main_anchor);
#define V_pf_main_anchor VNET(pf_main_anchor)
VNET_DECLARE(struct pf_keth_anchor_global, pf_keth_anchors);
#define V_pf_keth_anchors VNET(pf_keth_anchors)
#define pf_main_ruleset V_pf_main_anchor.ruleset
VNET_DECLARE(struct pf_keth_anchor, pf_main_keth_anchor);
#define V_pf_main_keth_anchor VNET(pf_main_keth_anchor)
VNET_DECLARE(struct pf_keth_ruleset*, pf_keth);
#define V_pf_keth VNET(pf_keth)
void pf_init_kruleset(struct pf_kruleset *);
void pf_init_keth(struct pf_keth_ruleset *);
int pf_kanchor_setup(struct pf_krule *,
const struct pf_kruleset *, const char *);
int pf_kanchor_copyout(const struct pf_kruleset *,
const struct pf_krule *, char *, size_t);
int pf_kanchor_nvcopyout(const struct pf_kruleset *,
const struct pf_krule *, nvlist_t *);
void pf_remove_kanchor(struct pf_krule *);
void pf_remove_if_empty_kruleset(struct pf_kruleset *);
struct pf_kruleset *pf_find_kruleset(const char *);
struct pf_kruleset *pf_get_leaf_kruleset(char *, char **);
struct pf_kruleset *pf_find_or_create_kruleset(const char *);
void pf_rs_initialize(void);
void pf_rule_tree_free(struct pf_krule_global *);
struct pf_krule *pf_krule_alloc(void);
void pf_remove_if_empty_keth_ruleset(
struct pf_keth_ruleset *);
struct pf_keth_ruleset *pf_find_keth_ruleset(const char *);
struct pf_keth_anchor *pf_find_keth_anchor(const char *);
int pf_keth_anchor_setup(struct pf_keth_rule *,
const struct pf_keth_ruleset *, const char *);
int pf_keth_anchor_nvcopyout(
const struct pf_keth_ruleset *,
const struct pf_keth_rule *, nvlist_t *);
struct pf_keth_ruleset *pf_find_or_create_keth_ruleset(const char *);
void pf_keth_anchor_remove(struct pf_keth_rule *);
int pf_ioctl_getrules(struct pfioc_rule *);
int pf_ioctl_addrule(struct pf_krule *, uint32_t,
uint32_t, const char *, const char *, uid_t uid,
pid_t);
void pf_ioctl_clear_status(void);
int pf_ioctl_get_timeout(int, int *);
int pf_ioctl_set_timeout(int, int, int *);
int pf_ioctl_get_limit(int, unsigned int *);
int pf_ioctl_set_limit(int, unsigned int, unsigned int *);
int pf_ioctl_begin_addrs(uint32_t *);
int pf_ioctl_add_addr(struct pf_nl_pooladdr *);
int pf_ioctl_get_addrs(struct pf_nl_pooladdr *);
int pf_ioctl_get_addr(struct pf_nl_pooladdr *);
int pf_ioctl_get_rulesets(struct pfioc_ruleset *);
int pf_ioctl_get_ruleset(struct pfioc_ruleset *);
int pf_ioctl_natlook(struct pfioc_natlook *);
void pf_krule_free(struct pf_krule *);
void pf_krule_clear_counters(struct pf_krule *);
void pf_addr_copyout(struct pf_addr_wrap *);
#endif
int pf_osfp_add(struct pf_osfp_ioctl *);
#ifdef _KERNEL
struct pf_osfp_enlist *
pf_osfp_fingerprint(struct pf_pdesc *, const struct tcphdr *);
#endif
void pf_osfp_flush(void);
int pf_osfp_get(struct pf_osfp_ioctl *);
int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
#ifdef _KERNEL
void pf_print_host(struct pf_addr *, u_int16_t, sa_family_t);
enum pf_test_status pf_step_into_anchor(struct pf_test_ctx *, struct pf_krule *);
void pf_step_into_keth_anchor(struct pf_keth_anchor_stackframe *,
int *, struct pf_keth_ruleset **,
struct pf_keth_rule **, struct pf_keth_rule **,
int *);
int pf_step_out_of_keth_anchor(struct pf_keth_anchor_stackframe *,
int *, struct pf_keth_ruleset **,
struct pf_keth_rule **, struct pf_keth_rule **,
int *);
u_short pf_map_addr(sa_family_t, struct pf_krule *,
struct pf_addr *, struct pf_addr *,
struct pfi_kkif **nkif, sa_family_t *,
struct pf_addr *, struct pf_kpool *);
u_short pf_map_addr_sn(u_int8_t, struct pf_krule *,
struct pf_addr *, struct pf_addr *,
sa_family_t *, struct pfi_kkif **,
struct pf_addr *, struct pf_kpool *,
pf_sn_types_t);
int pf_get_transaddr_af(struct pf_krule *,
struct pf_pdesc *);
u_short pf_get_translation(struct pf_test_ctx *);
u_short pf_get_transaddr(struct pf_test_ctx *,
struct pf_krule *,
u_int8_t, struct pf_kpool *);
int pf_translate_compat(struct pf_test_ctx *);
int pf_state_key_setup(struct pf_pdesc *,
u_int16_t, u_int16_t,
struct pf_state_key **sk, struct pf_state_key **nk);
struct pf_state_key *pf_state_key_clone(const struct pf_state_key *);
void pf_rule_to_actions(struct pf_krule *,
struct pf_rule_actions *);
int pf_normalize_mss(struct pf_pdesc *pd);
#if defined(INET) || defined(INET6)
void pf_scrub(struct pf_pdesc *);
#endif
struct pfi_kkif *pf_kkif_create(int);
void pf_kkif_free(struct pfi_kkif *);
void pf_kkif_zero(struct pfi_kkif *);
int inet_nat64(int, const void *, void *, const void *, u_int8_t);
int inet_nat64_inet(const void *, void *, const void *, u_int8_t);
int inet_nat64_inet6(const void *, void *, const void *, u_int8_t);
int inet_nat46(int, const void *, void *, const void *, u_int8_t);
int inet_nat46_inet(const void *, void *, const void *, u_int8_t);
int inet_nat46_inet6(const void *, void *, const void *, u_int8_t);
#endif
#endif
