d0fdf2b28f
Track (and display) the interface that created a state, even if it's a
floating state (and thus uses virtual interface 'all').
MFC after: 1 week
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D30245
277 lines
6.8 KiB
C
277 lines
6.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _PFCTL_IOCTL_H_
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#define _PFCTL_IOCTL_H_
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#include <netpfil/pf/pf.h>
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struct pfctl_anchor;
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struct pfctl_pool {
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struct pf_palist list;
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struct pf_pooladdr *cur;
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struct pf_poolhashkey key;
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struct pf_addr counter;
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struct pf_mape_portset mape;
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int tblidx;
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u_int16_t proxy_port[2];
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u_int8_t opts;
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};
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struct pfctl_rule {
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struct pf_rule_addr src;
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struct pf_rule_addr dst;
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union pf_rule_ptr skip[PF_SKIP_COUNT];
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char label[PF_RULE_MAX_LABEL_COUNT][PF_RULE_LABEL_SIZE];
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char ifname[IFNAMSIZ];
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char qname[PF_QNAME_SIZE];
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char pqname[PF_QNAME_SIZE];
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char tagname[PF_TAG_NAME_SIZE];
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char match_tagname[PF_TAG_NAME_SIZE];
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char overload_tblname[PF_TABLE_NAME_SIZE];
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TAILQ_ENTRY(pfctl_rule) entries;
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struct pfctl_pool rpool;
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u_int64_t evaluations;
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u_int64_t packets[2];
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u_int64_t bytes[2];
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struct pfi_kif *kif;
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struct pfctl_anchor *anchor;
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struct pfr_ktable *overload_tbl;
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pf_osfp_t os_fingerprint;
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int rtableid;
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u_int32_t timeout[PFTM_MAX];
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u_int32_t max_states;
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u_int32_t max_src_nodes;
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u_int32_t max_src_states;
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u_int32_t max_src_conn;
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struct {
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u_int32_t limit;
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u_int32_t seconds;
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} max_src_conn_rate;
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u_int32_t qid;
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u_int32_t pqid;
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u_int32_t nr;
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u_int32_t prob;
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uid_t cuid;
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pid_t cpid;
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uint64_t states_cur;
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uint64_t states_tot;
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uint64_t src_nodes;
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u_int16_t return_icmp;
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u_int16_t return_icmp6;
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u_int16_t max_mss;
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u_int16_t tag;
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u_int16_t match_tag;
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u_int16_t scrub_flags;
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struct pf_rule_uid uid;
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struct pf_rule_gid gid;
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u_int32_t rule_flag;
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u_int8_t action;
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u_int8_t direction;
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u_int8_t log;
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u_int8_t logif;
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u_int8_t quick;
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u_int8_t ifnot;
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u_int8_t match_tag_not;
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u_int8_t natpass;
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u_int8_t keep_state;
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sa_family_t af;
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u_int8_t proto;
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u_int8_t type;
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u_int8_t code;
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u_int8_t flags;
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u_int8_t flagset;
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u_int8_t min_ttl;
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u_int8_t allow_opts;
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u_int8_t rt;
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u_int8_t return_ttl;
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u_int8_t tos;
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u_int8_t set_tos;
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u_int8_t anchor_relative;
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u_int8_t anchor_wildcard;
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u_int8_t flush;
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u_int8_t prio;
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u_int8_t set_prio[2];
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struct {
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struct pf_addr addr;
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u_int16_t port;
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} divert;
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};
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TAILQ_HEAD(pfctl_rulequeue, pfctl_rule);
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struct pfctl_ruleset {
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struct {
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struct pfctl_rulequeue queues[2];
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struct {
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struct pfctl_rulequeue *ptr;
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struct pfctl_rule **ptr_array;
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u_int32_t rcount;
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u_int32_t ticket;
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int open;
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} active, inactive;
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} rules[PF_RULESET_MAX];
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struct pfctl_anchor *anchor;
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u_int32_t tticket;
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int tables;
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int topen;
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};
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RB_HEAD(pfctl_anchor_global, pfctl_anchor);
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RB_HEAD(pfctl_anchor_node, pfctl_anchor);
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struct pfctl_anchor {
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RB_ENTRY(pfctl_anchor) entry_global;
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RB_ENTRY(pfctl_anchor) entry_node;
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struct pfctl_anchor *parent;
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struct pfctl_anchor_node children;
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char name[PF_ANCHOR_NAME_SIZE];
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char path[MAXPATHLEN];
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struct pfctl_ruleset ruleset;
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int refcnt; /* anchor rules */
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int match; /* XXX: used for pfctl black magic */
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};
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RB_PROTOTYPE(pfctl_anchor_global, pfctl_anchor, entry_global,
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pf_anchor_compare);
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RB_PROTOTYPE(pfctl_anchor_node, pfctl_anchor, entry_node,
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pf_anchor_compare);
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struct pfctl_state_cmp {
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uint64_t id;
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uint32_t creatorid;
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uint8_t direction;
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};
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struct pfctl_kill {
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struct pfctl_state_cmp cmp;
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sa_family_t af;
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int proto;
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struct pf_rule_addr src;
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struct pf_rule_addr dst;
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struct pf_rule_addr rt_addr;
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char ifname[IFNAMSIZ];
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char label[PF_RULE_LABEL_SIZE];
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bool kill_match;
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};
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struct pfctl_state_scrub {
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bool timestamp;
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uint8_t ttl;
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uint32_t ts_mod;
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};
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struct pfctl_state_peer {
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struct pfctl_state_scrub *scrub;
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uint32_t seqlo;
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uint32_t seqhi;
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uint32_t seqdiff;
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uint16_t max_win;
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uint16_t mss;
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uint8_t state;
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uint8_t wscale;
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};
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struct pfctl_state_key {
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struct pf_addr addr[2];
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uint16_t port[2];
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sa_family_t af;
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uint8_t proto;
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};
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struct pfctl_state {
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TAILQ_ENTRY(pfctl_state) entry;
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uint64_t id;
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uint32_t creatorid;
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uint8_t direction;
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struct pfctl_state_peer src;
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struct pfctl_state_peer dst;
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uint32_t rule;
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uint32_t anchor;
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uint32_t nat_rule;
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struct pf_addr rt_addr;
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struct pfctl_state_key key[2]; /* addresses stack and wire */
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char ifname[IFNAMSIZ];
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char orig_ifname[IFNAMSIZ];
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uint64_t packets[2];
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uint64_t bytes[2];
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uint32_t creation;
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uint32_t expire;
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uint32_t pfsync_time;
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uint16_t tag;
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uint8_t log;
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uint8_t state_flags;
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uint8_t timeout;
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uint32_t sync_flags;
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};
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TAILQ_HEAD(pfctl_statelist, pfctl_state);
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struct pfctl_states {
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struct pfctl_statelist states;
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size_t count;
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};
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int pfctl_get_rule(int dev, u_int32_t nr, u_int32_t ticket,
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const char *anchor, u_int32_t ruleset, struct pfctl_rule *rule,
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char *anchor_call);
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int pfctl_get_clear_rule(int dev, u_int32_t nr, u_int32_t ticket,
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const char *anchor, u_int32_t ruleset, struct pfctl_rule *rule,
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char *anchor_call, bool clear);
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int pfctl_add_rule(int dev, const struct pfctl_rule *r,
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const char *anchor, const char *anchor_call, u_int32_t ticket,
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u_int32_t pool_ticket);
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int pfctl_set_keepcounters(int dev, bool keep);
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int pfctl_get_states(int dev, struct pfctl_states *states);
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void pfctl_free_states(struct pfctl_states *states);
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int pfctl_clear_states(int dev, const struct pfctl_kill *kill,
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unsigned int *killed);
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int pfctl_kill_states(int dev, const struct pfctl_kill *kill,
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unsigned int *killed);
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#endif
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