The branch stable/12 has been updated by kp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=e2f0a703ead7fa174edd63422291a3b841b18384
commit e2f0a703ead7fa174edd63422291a3b841b18384
Author: Kristof Provost <k...@freebsd.org>
AuthorDate: 2020-12-03 16:17:39 +0000
Commit: Kristof Provost <k...@freebsd.org>
CommitDate: 2021-01-20 14:16:04 +0000
pf: Migrate pf_rule and related structs to pf.h
As part of the split between user and kernel mode structures we're
moving all user space usable definitions into pf.h.
No functional change intended.
MFC after: 2 weeks
Sponsored by: Orange Business Services
Differential Revision: https://reviews.freebsd.org/D27757
(cherry picked from commit dc865dae89c34291467e0ba569a8c78fc7a5d360)
---
sys/net/pfvar.h | 317 ----------------------------------------------------
sys/netpfil/pf/pf.h | 317 ++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 317 insertions(+), 317 deletions(-)
diff --git a/sys/net/pfvar.h b/sys/net/pfvar.h
index dd85ac5f7b9f..440110e77298 100644
--- a/sys/net/pfvar.h
+++ b/sys/net/pfvar.h
@@ -54,31 +54,6 @@
#include <netpfil/pf/pf_altq.h>
#include <netpfil/pf/pf_mtag.h>
-#define PFI_AFLAG_NETWORK 0x01
-#define PFI_AFLAG_BROADCAST 0x02
-#define PFI_AFLAG_PEER 0x04
-#define PFI_AFLAG_MODEMASK 0x07
-#define PFI_AFLAG_NOALIAS 0x08
-
-struct pf_addr_wrap {
- union {
- struct {
- struct pf_addr addr;
- struct pf_addr mask;
- } a;
- char ifname[IFNAMSIZ];
- char tblname[PF_TABLE_NAME_SIZE];
- } v;
- union {
- struct pfi_dynaddr *dyn;
- struct pfr_ktable *tbl;
- int dyncnt;
- int tblcnt;
- } p;
- u_int8_t type; /* PF_ADDR_* */
- u_int8_t iflags; /* PFI_AFLAG_* */
-};
-
#ifdef _KERNEL
SYSCTL_DECL(_net_pf);
@@ -317,298 +292,6 @@ extern struct sx pf_end_lock;
#define PF_ALGNMNT(off) (((off) % 2) == 0)
-struct pf_rule_uid {
- uid_t uid[2];
- u_int8_t op;
-};
-
-struct pf_rule_gid {
- uid_t gid[2];
- u_int8_t op;
-};
-
-struct pf_rule_addr {
- struct pf_addr_wrap addr;
- u_int16_t port[2];
- u_int8_t neg;
- u_int8_t port_op;
-};
-
-struct pf_pooladdr {
- struct pf_addr_wrap addr;
- TAILQ_ENTRY(pf_pooladdr) entries;
- char ifname[IFNAMSIZ];
- struct pfi_kif *kif;
-};
-
-TAILQ_HEAD(pf_palist, pf_pooladdr);
-
-struct pf_poolhashkey {
- union {
- u_int8_t key8[16];
- u_int16_t key16[8];
- u_int32_t key32[4];
- } pfk; /* 128-bit hash key */
-#define key8 pfk.key8
-#define key16 pfk.key16
-#define key32 pfk.key32
-};
-
-struct pf_pool {
- struct pf_palist list;
- struct pf_pooladdr *cur;
- struct pf_poolhashkey key;
- struct pf_addr counter;
- int tblidx;
- u_int16_t proxy_port[2];
- u_int8_t opts;
-};
-
-
-/* A packed Operating System description for fingerprinting */
-typedef u_int32_t pf_osfp_t;
-#define PF_OSFP_ANY ((pf_osfp_t)0)
-#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1)
-#define PF_OSFP_NOMATCH ((pf_osfp_t)-2)
-
-struct pf_osfp_entry {
- SLIST_ENTRY(pf_osfp_entry) fp_entry;
- pf_osfp_t fp_os;
- int fp_enflags;
-#define PF_OSFP_EXPANDED 0x001 /* expanded entry */
-#define PF_OSFP_GENERIC 0x002 /* generic signature */
-#define PF_OSFP_NODETAIL 0x004 /* no p0f details */
-#define PF_OSFP_LEN 32
- char fp_class_nm[PF_OSFP_LEN];
- char fp_version_nm[PF_OSFP_LEN];
- char fp_subtype_nm[PF_OSFP_LEN];
-};
-#define PF_OSFP_ENTRY_EQ(a, b) \
- ((a)->fp_os == (b)->fp_os && \
- memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \
- memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \
- memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0)
-
-/* handle pf_osfp_t packing */
-#define _FP_RESERVED_BIT 1 /* For the special negative #defines */
-#define _FP_UNUSED_BITS 1
-#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */
-#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */
-#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */
-#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \
- (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
- ((1 << _FP_CLASS_BITS) - 1); \
- (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
- ((1 << _FP_VERSION_BITS) - 1);\
- (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
-} while(0)
-#define PF_OSFP_PACK(osfp, class, version, subtype) do { \
- (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \
- + _FP_SUBTYPE_BITS); \
- (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \
- _FP_SUBTYPE_BITS; \
- (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \
-} while(0)
-
-/* the fingerprint of an OSes TCP SYN packet */
-typedef u_int64_t pf_tcpopts_t;
-struct pf_os_fingerprint {
- SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */
- pf_tcpopts_t fp_tcpopts; /* packed TCP options */
- u_int16_t fp_wsize; /* TCP window size */
- u_int16_t fp_psize; /* ip->ip_len */
- u_int16_t fp_mss; /* TCP MSS */
- u_int16_t fp_flags;
-#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */
-#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */
-#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */
-#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */
-#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */
-#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */
-#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
-#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
-#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
-#define PF_OSFP_MSS 0x0200 /* TCP MSS */
-#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
-#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
-#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
-#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
-#define PF_OSFP_INET6 0x4000 /* IPv6 */
- u_int8_t fp_optcnt; /* TCP option count */
- u_int8_t fp_wscale; /* TCP window scaling */
- u_int8_t fp_ttl; /* IPv4 TTL */
-#define PF_OSFP_MAXTTL_OFFSET 40
-/* TCP options packing */
-#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
-#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
-#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
-#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */
-#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */
-#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */
-#define PF_OSFP_MAX_OPTS \
- (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \
- / PF_OSFP_TCPOPT_BITS
-
- SLIST_ENTRY(pf_os_fingerprint) fp_next;
-};
-
-struct pf_osfp_ioctl {
- struct pf_osfp_entry fp_os;
- pf_tcpopts_t fp_tcpopts; /* packed TCP options */
- u_int16_t fp_wsize; /* TCP window size */
- u_int16_t fp_psize; /* ip->ip_len */
- u_int16_t fp_mss; /* TCP MSS */
- u_int16_t fp_flags;
- u_int8_t fp_optcnt; /* TCP option count */
- u_int8_t fp_wscale; /* TCP window scaling */
- u_int8_t fp_ttl; /* IPv4 TTL */
-
- int fp_getnum; /* DIOCOSFPGET number */
-};
-
-#define PF_ANCHOR_NAME_SIZE 64
-
-struct pf_rule {
- struct pf_rule_addr src;
- struct pf_rule_addr dst;
-#define PF_SKIP_IFP 0
-#define PF_SKIP_DIR 1
-#define PF_SKIP_AF 2
-#define PF_SKIP_PROTO 3
-#define PF_SKIP_SRC_ADDR 4
-#define PF_SKIP_SRC_PORT 5
-#define PF_SKIP_DST_ADDR 6
-#define PF_SKIP_DST_PORT 7
-#define PF_SKIP_COUNT 8
- union pf_rule_ptr skip[PF_SKIP_COUNT];
-#define PF_RULE_LABEL_SIZE 64
- char label[PF_RULE_LABEL_SIZE];
- char ifname[IFNAMSIZ];
- char qname[PF_QNAME_SIZE];
- char pqname[PF_QNAME_SIZE];
-#define PF_TAG_NAME_SIZE 64
- char tagname[PF_TAG_NAME_SIZE];
- char match_tagname[PF_TAG_NAME_SIZE];
-
- char overload_tblname[PF_TABLE_NAME_SIZE];
-
- TAILQ_ENTRY(pf_rule) entries;
- struct pf_pool rpool;
-
- u_int64_t evaluations;
- u_int64_t packets[2];
- u_int64_t bytes[2];
-
- struct pfi_kif *kif;
- struct pf_anchor *anchor;
- struct pfr_ktable *overload_tbl;
-
- pf_osfp_t os_fingerprint;
-
- int 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;
- u_int32_t qid;
- u_int32_t pqid;
- u_int32_t rt_listid;
- 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;
-
- 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;
- 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;
-
-#define PF_STATE_NORMAL 0x1
-#define PF_STATE_MODULATE 0x2
-#define PF_STATE_SYNPROXY 0x3
- u_int8_t keep_state;
- sa_family_t af;
- u_int8_t proto;
- u_int8_t type;
- u_int8_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;
-
-#define PF_FLUSH 0x01
-#define PF_FLUSH_GLOBAL 0x02
- u_int8_t flush;
-#define PF_PRIO_ZERO 0xff /* match "prio 0" packets */
-#define PF_PRIO_MAX 7
- u_int8_t prio;
- u_int8_t set_prio[2];
-
- struct {
- struct pf_addr addr;
- u_int16_t port;
- } divert;
-
- uint64_t u_states_cur;
- uint64_t u_states_tot;
- uint64_t u_src_nodes;
-};
-
-/* rule flags */
-#define PFRULE_DROP 0x0000
-#define PFRULE_RETURNRST 0x0001
-#define PFRULE_FRAGMENT 0x0002
-#define PFRULE_RETURNICMP 0x0004
-#define PFRULE_RETURN 0x0008
-#define PFRULE_NOSYNC 0x0010
-#define PFRULE_SRCTRACK 0x0020 /* track source states */
-#define PFRULE_RULESRCTRACK 0x0040 /* per rule */
-#define PFRULE_REFS 0x0080 /* rule has references */
-
-/* scrub flags */
-#define PFRULE_NODF 0x0100
-#define PFRULE_RANDOMID 0x0800
-#define PFRULE_REASSEMBLE_TCP 0x1000
-#define PFRULE_SET_TOS 0x2000
-
-/* rule flags again */
-#define PFRULE_IFBOUND 0x00010000 /* if-bound */
-#define PFRULE_STATESLOPPY 0x00020000 /* sloppy state tracking */
-
-#define PFSTATE_HIWAT 100000 /* default state table size */
-#define PFSTATE_ADAPT_START 60000 /* default adaptive timeout start */
-#define PFSTATE_ADAPT_END 120000 /* default adaptive timeout end */
-
#ifdef _KERNEL
struct pf_ksrc_node {
LIST_ENTRY(pf_ksrc_node) entry;
diff --git a/sys/netpfil/pf/pf.h b/sys/netpfil/pf/pf.h
index 7add0877224e..aa6409bcbaa9 100644
--- a/sys/netpfil/pf/pf.h
+++ b/sys/netpfil/pf/pf.h
@@ -219,11 +219,328 @@ struct pf_addr {
#define addr32 pfa.addr32
};
+#define PFI_AFLAG_NETWORK 0x01
+#define PFI_AFLAG_BROADCAST 0x02
+#define PFI_AFLAG_PEER 0x04
+#define PFI_AFLAG_MODEMASK 0x07
+#define PFI_AFLAG_NOALIAS 0x08
+
+struct pf_addr_wrap {
+ union {
+ struct {
+ struct pf_addr addr;
+ struct pf_addr mask;
+ } a;
+ char ifname[IFNAMSIZ];
+ char tblname[PF_TABLE_NAME_SIZE];
+ } v;
+ union {
+ struct pfi_dynaddr *dyn;
+ struct pfr_ktable *tbl;
+ int dyncnt;
+ int tblcnt;
+ } p;
+ u_int8_t type; /* PF_ADDR_* */
+ u_int8_t iflags; /* PFI_AFLAG_* */
+};
+
union pf_rule_ptr {
struct pf_rule *ptr;
u_int32_t nr;
};
+struct pf_rule_uid {
+ uid_t uid[2];
+ u_int8_t op;
+};
+
+struct pf_rule_gid {
+ uid_t gid[2];
+ u_int8_t op;
+};
+
+struct pf_rule_addr {
+ struct pf_addr_wrap addr;
+ u_int16_t port[2];
+ u_int8_t neg;
+ u_int8_t port_op;
+};
+
+struct pf_pooladdr {
+ struct pf_addr_wrap addr;
+ TAILQ_ENTRY(pf_pooladdr) entries;
+ char ifname[IFNAMSIZ];
+ struct pfi_kif *kif;
+};
+
+TAILQ_HEAD(pf_palist, pf_pooladdr);
+
+struct pf_poolhashkey {
+ union {
+ u_int8_t key8[16];
+ u_int16_t key16[8];
+ u_int32_t key32[4];
+ } pfk; /* 128-bit hash key */
+#define key8 pfk.key8
+#define key16 pfk.key16
+#define key32 pfk.key32
+};
+
+struct pf_pool {
+ struct pf_palist list;
+ struct pf_pooladdr *cur;
+ struct pf_poolhashkey key;
+ struct pf_addr counter;
+ int tblidx;
+ u_int16_t proxy_port[2];
+ u_int8_t opts;
+};
+
+/* A packed Operating System description for fingerprinting */
+typedef u_int32_t pf_osfp_t;
+#define PF_OSFP_ANY ((pf_osfp_t)0)
+#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1)
+#define PF_OSFP_NOMATCH ((pf_osfp_t)-2)
+
+struct pf_osfp_entry {
+ SLIST_ENTRY(pf_osfp_entry) fp_entry;
+ pf_osfp_t fp_os;
+ int fp_enflags;
+#define PF_OSFP_EXPANDED 0x001 /* expanded entry */
+#define PF_OSFP_GENERIC 0x002 /* generic signature */
+#define PF_OSFP_NODETAIL 0x004 /* no p0f details */
+#define PF_OSFP_LEN 32
+ char fp_class_nm[PF_OSFP_LEN];
+ char fp_version_nm[PF_OSFP_LEN];
+ char fp_subtype_nm[PF_OSFP_LEN];
+};
+#define PF_OSFP_ENTRY_EQ(a, b) \
+ ((a)->fp_os == (b)->fp_os && \
+ memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \
+ memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \
+ memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0)
+
+/* handle pf_osfp_t packing */
+#define _FP_RESERVED_BIT 1 /* For the special negative #defines */
+#define _FP_UNUSED_BITS 1
+#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */
+#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */
+#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */
+#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \
+ (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
+ ((1 << _FP_CLASS_BITS) - 1); \
+ (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
+ ((1 << _FP_VERSION_BITS) - 1);\
+ (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
+} while(0)
+#define PF_OSFP_PACK(osfp, class, version, subtype) do { \
+ (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \
+ + _FP_SUBTYPE_BITS); \
+ (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \
+ _FP_SUBTYPE_BITS; \
+ (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \
+} while(0)
+
+/* the fingerprint of an OSes TCP SYN packet */
+typedef u_int64_t pf_tcpopts_t;
+struct pf_os_fingerprint {
+ SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */
+ pf_tcpopts_t fp_tcpopts; /* packed TCP options */
+ u_int16_t fp_wsize; /* TCP window size */
+ u_int16_t fp_psize; /* ip->ip_len */
+ u_int16_t fp_mss; /* TCP MSS */
+ u_int16_t fp_flags;
+#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */
+#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */
+#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */
+#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */
+#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */
+#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */
+#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
+#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
+#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
+#define PF_OSFP_MSS 0x0200 /* TCP MSS */
+#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
+#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
+#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
+#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
+#define PF_OSFP_INET6 0x4000 /* IPv6 */
+ u_int8_t fp_optcnt; /* TCP option count */
+ u_int8_t fp_wscale; /* TCP window scaling */
+ u_int8_t fp_ttl; /* IPv4 TTL */
+#define PF_OSFP_MAXTTL_OFFSET 40
+/* TCP options packing */
+#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
+#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
+#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
+#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */
+#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */
+#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */
+#define PF_OSFP_MAX_OPTS \
+ (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \
+ / PF_OSFP_TCPOPT_BITS
+
+ SLIST_ENTRY(pf_os_fingerprint) fp_next;
+};
+
+struct pf_osfp_ioctl {
+ struct pf_osfp_entry fp_os;
+ pf_tcpopts_t fp_tcpopts; /* packed TCP options */
+ u_int16_t fp_wsize; /* TCP window size */
+ u_int16_t fp_psize; /* ip->ip_len */
+ u_int16_t fp_mss; /* TCP MSS */
+ u_int16_t fp_flags;
+ u_int8_t fp_optcnt; /* TCP option count */
+ u_int8_t fp_wscale; /* TCP window scaling */
+ u_int8_t fp_ttl; /* IPv4 TTL */
+
+ int fp_getnum; /* DIOCOSFPGET number */
+};
+
+#define PF_ANCHOR_NAME_SIZE 64
+
+struct pf_rule {
+ struct pf_rule_addr src;
+ struct pf_rule_addr dst;
+#define PF_SKIP_IFP 0
+#define PF_SKIP_DIR 1
+#define PF_SKIP_AF 2
+#define PF_SKIP_PROTO 3
+#define PF_SKIP_SRC_ADDR 4
+#define PF_SKIP_SRC_PORT 5
+#define PF_SKIP_DST_ADDR 6
+#define PF_SKIP_DST_PORT 7
+#define PF_SKIP_COUNT 8
+ union pf_rule_ptr skip[PF_SKIP_COUNT];
+#define PF_RULE_LABEL_SIZE 64
+ char label[PF_RULE_LABEL_SIZE];
+ char ifname[IFNAMSIZ];
+ char qname[PF_QNAME_SIZE];
+ char pqname[PF_QNAME_SIZE];
+#define PF_TAG_NAME_SIZE 64
+ char tagname[PF_TAG_NAME_SIZE];
+ char match_tagname[PF_TAG_NAME_SIZE];
+
+ char overload_tblname[PF_TABLE_NAME_SIZE];
+
+ TAILQ_ENTRY(pf_rule) entries;
+ struct pf_pool rpool;
+
+ u_int64_t evaluations;
+ u_int64_t packets[2];
+ u_int64_t bytes[2];
+
+ struct pfi_kif *kif;
+ struct pf_anchor *anchor;
+ struct pfr_ktable *overload_tbl;
+
+ pf_osfp_t os_fingerprint;
+
+ int 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;
+ u_int32_t qid;
+ u_int32_t pqid;
+ u_int32_t rt_listid;
+ 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;
+
+ 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;
+ 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;
+
+#define PF_STATE_NORMAL 0x1
+#define PF_STATE_MODULATE 0x2
+#define PF_STATE_SYNPROXY 0x3
+ u_int8_t keep_state;
+ sa_family_t af;
+ u_int8_t proto;
+ u_int8_t type;
+ u_int8_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;
+
+#define PF_FLUSH 0x01
+#define PF_FLUSH_GLOBAL 0x02
+ u_int8_t flush;
+#define PF_PRIO_ZERO 0xff /* match "prio 0" packets */
+#define PF_PRIO_MAX 7
+ u_int8_t prio;
+ u_int8_t set_prio[2];
+
+ struct {
+ struct pf_addr addr;
+ u_int16_t port;
+ } divert;
+
+ uint64_t u_states_cur;
+ uint64_t u_states_tot;
+ uint64_t u_src_nodes;
+};
+
+/* rule flags */
+#define PFRULE_DROP 0x0000
+#define PFRULE_RETURNRST 0x0001
+#define PFRULE_FRAGMENT 0x0002
+#define PFRULE_RETURNICMP 0x0004
+#define PFRULE_RETURN 0x0008
+#define PFRULE_NOSYNC 0x0010
+#define PFRULE_SRCTRACK 0x0020 /* track source states */
+#define PFRULE_RULESRCTRACK 0x0040 /* per rule */
+#define PFRULE_REFS 0x0080 /* rule has references */
+
+/* scrub flags */
+#define PFRULE_NODF 0x0100
+#define PFRULE_RANDOMID 0x0800
+#define PFRULE_REASSEMBLE_TCP 0x1000
+#define PFRULE_SET_TOS 0x2000
+
+/* rule flags again */
+#define PFRULE_IFBOUND 0x00010000 /* if-bound */
+#define PFRULE_STATESLOPPY 0x00020000 /* sloppy state tracking */
+
+#define PFSTATE_HIWAT 100000 /* default state table size */
+#define PFSTATE_ADAPT_START 60000 /* default adaptive timeout start */
+#define PFSTATE_ADAPT_END 120000 /* default adaptive timeout end */
+
+
struct pf_threshold {
u_int32_t limit;
#define PF_THRESHOLD_MULT 1000
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