diff options
Diffstat (limited to 'freebsd/sys/contrib/pf/net/pf_ioctl.c')
| -rw-r--r-- | freebsd/sys/contrib/pf/net/pf_ioctl.c | 4432 |
1 files changed, 0 insertions, 4432 deletions
diff --git a/freebsd/sys/contrib/pf/net/pf_ioctl.c b/freebsd/sys/contrib/pf/net/pf_ioctl.c deleted file mode 100644 index fc3c823d..00000000 --- a/freebsd/sys/contrib/pf/net/pf_ioctl.c +++ /dev/null @@ -1,4432 +0,0 @@ -#include <machine/rtems-bsd-kernel-space.h> - -/* $OpenBSD: pf_ioctl.c,v 1.213 2009/02/15 21:46:12 mbalmer Exp $ */ - -/* - * Copyright (c) 2001 Daniel Hartmeier - * Copyright (c) 2002,2003 Henning Brauer - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * Effort sponsored in part by the Defense Advanced Research Projects - * Agency (DARPA) and Air Force Research Laboratory, Air Force - * Materiel Command, USAF, under agreement number F30602-01-2-0537. - * - */ - -#ifdef __FreeBSD__ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <rtems/bsd/local/opt_inet.h> -#include <rtems/bsd/local/opt_inet6.h> -#include <rtems/bsd/local/opt_bpf.h> -#include <rtems/bsd/local/opt_pf.h> - -#define NPFSYNC 1 - -#ifdef DEV_PFLOG -#define NPFLOG DEV_PFLOG -#else -#define NPFLOG 0 -#endif - -#else /* !__FreeBSD__ */ -#include "pfsync.h" -#include "pflog.h" -#endif /* __FreeBSD__ */ - -#include <rtems/bsd/sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/filio.h> -#include <sys/fcntl.h> -#include <sys/socket.h> -#include <sys/socketvar.h> -#include <sys/kernel.h> -#include <sys/time.h> -#ifdef __FreeBSD__ -#include <sys/ucred.h> -#include <sys/jail.h> -#include <sys/module.h> -#include <sys/conf.h> -#include <sys/proc.h> -#include <sys/sysctl.h> -#else -#include <sys/timeout.h> -#include <sys/pool.h> -#endif -#include <sys/proc.h> -#include <sys/malloc.h> -#include <sys/kthread.h> -#ifndef __FreeBSD__ -#include <sys/rwlock.h> -#include <uvm/uvm_extern.h> -#endif - -#include <net/if.h> -#include <net/if_types.h> -#ifdef __FreeBSD__ -#include <net/vnet.h> -#endif -#include <net/route.h> - -#include <netinet/in.h> -#include <netinet/in_var.h> -#include <netinet/in_systm.h> -#include <netinet/ip.h> -#include <netinet/ip_var.h> -#include <netinet/ip_icmp.h> - -#ifdef __FreeBSD__ -#include <sys/md5.h> -#else -#include <dev/rndvar.h> -#include <crypto/md5.h> -#endif -#include <net/pfvar.h> - -#include <net/if_pfsync.h> - -#if NPFLOG > 0 -#include <net/if_pflog.h> -#endif /* NPFLOG > 0 */ - -#ifdef INET6 -#include <netinet/ip6.h> -#include <netinet/in_pcb.h> -#endif /* INET6 */ - -#ifdef ALTQ -#include <altq/altq.h> -#endif - -#ifdef __FreeBSD__ -#include <sys/limits.h> -#include <rtems/bsd/sys/lock.h> -#include <sys/mutex.h> -#include <net/pfil.h> -#endif /* __FreeBSD__ */ - -#ifdef __FreeBSD__ -void init_zone_var(void); -void cleanup_pf_zone(void); -int pfattach(void); -#else -void pfattach(int); -void pf_thread_create(void *); -int pfopen(dev_t, int, int, struct proc *); -int pfclose(dev_t, int, int, struct proc *); -#endif -struct pf_pool *pf_get_pool(char *, u_int32_t, u_int8_t, u_int32_t, - u_int8_t, u_int8_t, u_int8_t); - -void pf_mv_pool(struct pf_palist *, struct pf_palist *); -void pf_empty_pool(struct pf_palist *); -#ifdef __FreeBSD__ -int pfioctl(struct cdev *, u_long, caddr_t, int, struct thread *); -#else -int pfioctl(dev_t, u_long, caddr_t, int, struct proc *); -#endif -#ifdef ALTQ -int pf_begin_altq(u_int32_t *); -int pf_rollback_altq(u_int32_t); -int pf_commit_altq(u_int32_t); -int pf_enable_altq(struct pf_altq *); -int pf_disable_altq(struct pf_altq *); -#endif /* ALTQ */ -int pf_begin_rules(u_int32_t *, int, const char *); -int pf_rollback_rules(u_int32_t, int, char *); -int pf_setup_pfsync_matching(struct pf_ruleset *); -void pf_hash_rule(MD5_CTX *, struct pf_rule *); -void pf_hash_rule_addr(MD5_CTX *, struct pf_rule_addr *); -int pf_commit_rules(u_int32_t, int, char *); -int pf_addr_setup(struct pf_ruleset *, - struct pf_addr_wrap *, sa_family_t); -void pf_addr_copyout(struct pf_addr_wrap *); - -#define TAGID_MAX 50000 - -#ifdef __FreeBSD__ -VNET_DEFINE(struct pf_rule, pf_default_rule); -VNET_DEFINE(struct sx, pf_consistency_lock); - -#ifdef ALTQ -static VNET_DEFINE(int, pf_altq_running); -#define V_pf_altq_running VNET(pf_altq_running) -#endif - -TAILQ_HEAD(pf_tags, pf_tagname); - -#define V_pf_tags VNET(pf_tags) -VNET_DEFINE(struct pf_tags, pf_tags); -#define V_pf_qids VNET(pf_qids) -VNET_DEFINE(struct pf_tags, pf_qids); - -#else /* !__FreeBSD__ */ -struct pf_rule pf_default_rule; -struct rwlock pf_consistency_lock = RWLOCK_INITIALIZER("pfcnslk"); -#ifdef ALTQ -static int pf_altq_running; -#endif - -TAILQ_HEAD(pf_tags, pf_tagname) pf_tags = TAILQ_HEAD_INITIALIZER(pf_tags), - pf_qids = TAILQ_HEAD_INITIALIZER(pf_qids); -#endif /* __FreeBSD__ */ - -#if (PF_QNAME_SIZE != PF_TAG_NAME_SIZE) -#error PF_QNAME_SIZE must be equal to PF_TAG_NAME_SIZE -#endif - -u_int16_t tagname2tag(struct pf_tags *, char *); -void tag2tagname(struct pf_tags *, u_int16_t, char *); -void tag_unref(struct pf_tags *, u_int16_t); -int pf_rtlabel_add(struct pf_addr_wrap *); -void pf_rtlabel_remove(struct pf_addr_wrap *); -void pf_rtlabel_copyout(struct pf_addr_wrap *); - -#ifdef __FreeBSD__ -#define DPFPRINTF(n, x) if (V_pf_status.debug >= (n)) printf x -#else -#define DPFPRINTF(n, x) if (pf_status.debug >= (n)) printf x -#endif - -#ifdef __FreeBSD__ -struct cdev *pf_dev; - -/* - * XXX - These are new and need to be checked when moveing to a new version - */ -static void pf_clear_states(void); -static int pf_clear_tables(void); -static void pf_clear_srcnodes(void); -/* - * XXX - These are new and need to be checked when moveing to a new version - */ - -/* - * Wrapper functions for pfil(9) hooks - */ -#ifdef INET -static int pf_check_in(void *arg, struct mbuf **m, struct ifnet *ifp, - int dir, struct inpcb *inp); -static int pf_check_out(void *arg, struct mbuf **m, struct ifnet *ifp, - int dir, struct inpcb *inp); -#endif -#ifdef INET6 -static int pf_check6_in(void *arg, struct mbuf **m, struct ifnet *ifp, - int dir, struct inpcb *inp); -static int pf_check6_out(void *arg, struct mbuf **m, struct ifnet *ifp, - int dir, struct inpcb *inp); -#endif - -static int hook_pf(void); -static int dehook_pf(void); -static int shutdown_pf(void); -static int pf_load(void); -static int pf_unload(void); - -static struct cdevsw pf_cdevsw = { - .d_ioctl = pfioctl, - .d_name = PF_NAME, - .d_version = D_VERSION, -}; - -static volatile VNET_DEFINE(int, pf_pfil_hooked); -#define V_pf_pfil_hooked VNET(pf_pfil_hooked) -VNET_DEFINE(int, pf_end_threads); -struct mtx pf_task_mtx; - -/* pfsync */ -pfsync_state_import_t *pfsync_state_import_ptr = NULL; -pfsync_insert_state_t *pfsync_insert_state_ptr = NULL; -pfsync_update_state_t *pfsync_update_state_ptr = NULL; -pfsync_delete_state_t *pfsync_delete_state_ptr = NULL; -pfsync_clear_states_t *pfsync_clear_states_ptr = NULL; -pfsync_state_in_use_t *pfsync_state_in_use_ptr = NULL; -pfsync_defer_t *pfsync_defer_ptr = NULL; -pfsync_up_t *pfsync_up_ptr = NULL; -/* pflow */ -export_pflow_t *export_pflow_ptr = NULL; -/* pflog */ -pflog_packet_t *pflog_packet_ptr = NULL; - -VNET_DEFINE(int, debug_pfugidhack); -SYSCTL_VNET_INT(_debug, OID_AUTO, pfugidhack, CTLFLAG_RW, - &VNET_NAME(debug_pfugidhack), 0, - "Enable/disable pf user/group rules mpsafe hack"); - -static void -init_pf_mutex(void) -{ - - mtx_init(&pf_task_mtx, "pf task mtx", NULL, MTX_DEF); -} - -static void -destroy_pf_mutex(void) -{ - - mtx_destroy(&pf_task_mtx); -} -void -init_zone_var(void) -{ - V_pf_src_tree_pl = V_pf_rule_pl = NULL; - V_pf_state_pl = V_pf_state_key_pl = V_pf_state_item_pl = NULL; - V_pf_altq_pl = V_pf_pooladdr_pl = NULL; - V_pf_frent_pl = V_pf_frag_pl = V_pf_cache_pl = V_pf_cent_pl = NULL; - V_pf_state_scrub_pl = NULL; - V_pfr_ktable_pl = V_pfr_kentry_pl = V_pfr_kcounters_pl = NULL; -} - -void -cleanup_pf_zone(void) -{ - UMA_DESTROY(V_pf_src_tree_pl); - UMA_DESTROY(V_pf_rule_pl); - UMA_DESTROY(V_pf_state_pl); - UMA_DESTROY(V_pf_state_key_pl); - UMA_DESTROY(V_pf_state_item_pl); - UMA_DESTROY(V_pf_altq_pl); - UMA_DESTROY(V_pf_pooladdr_pl); - UMA_DESTROY(V_pf_frent_pl); - UMA_DESTROY(V_pf_frag_pl); - UMA_DESTROY(V_pf_cache_pl); - UMA_DESTROY(V_pf_cent_pl); - UMA_DESTROY(V_pfr_ktable_pl); - UMA_DESTROY(V_pfr_kentry_pl); - UMA_DESTROY(V_pfr_kcounters_pl); - UMA_DESTROY(V_pf_state_scrub_pl); - UMA_DESTROY(V_pfi_addr_pl); -} - -int -pfattach(void) -{ - u_int32_t *my_timeout = V_pf_default_rule.timeout; - int error = 1; - - do { - UMA_CREATE(V_pf_src_tree_pl, struct pf_src_node, "pfsrctrpl"); - UMA_CREATE(V_pf_rule_pl, struct pf_rule, "pfrulepl"); - UMA_CREATE(V_pf_state_pl, struct pf_state, "pfstatepl"); - UMA_CREATE(V_pf_state_key_pl, struct pf_state, "pfstatekeypl"); - UMA_CREATE(V_pf_state_item_pl, struct pf_state, "pfstateitempl"); - UMA_CREATE(V_pf_altq_pl, struct pf_altq, "pfaltqpl"); - UMA_CREATE(V_pf_pooladdr_pl, struct pf_pooladdr, "pfpooladdrpl"); - UMA_CREATE(V_pfr_ktable_pl, struct pfr_ktable, "pfrktable"); - UMA_CREATE(V_pfr_kentry_pl, struct pfr_kentry, "pfrkentry"); - UMA_CREATE(V_pfr_kcounters_pl, struct pfr_kcounters, "pfrkcounters"); - UMA_CREATE(V_pf_frent_pl, struct pf_frent, "pffrent"); - UMA_CREATE(V_pf_frag_pl, struct pf_fragment, "pffrag"); - UMA_CREATE(V_pf_cache_pl, struct pf_fragment, "pffrcache"); - UMA_CREATE(V_pf_cent_pl, struct pf_frcache, "pffrcent"); - UMA_CREATE(V_pf_state_scrub_pl, struct pf_state_scrub, - "pfstatescrub"); - UMA_CREATE(V_pfi_addr_pl, struct pfi_dynaddr, "pfiaddrpl"); - error = 0; - } while(0); - if (error) { - cleanup_pf_zone(); - return (error); - } - pfr_initialize(); - pfi_initialize(); - if ( (error = pf_osfp_initialize()) ) { - cleanup_pf_zone(); - pf_osfp_cleanup(); - return (error); - } - - V_pf_pool_limits[PF_LIMIT_STATES].pp = V_pf_state_pl; - V_pf_pool_limits[PF_LIMIT_STATES].limit = PFSTATE_HIWAT; - V_pf_pool_limits[PF_LIMIT_SRC_NODES].pp = V_pf_src_tree_pl; - V_pf_pool_limits[PF_LIMIT_SRC_NODES].limit = PFSNODE_HIWAT; - V_pf_pool_limits[PF_LIMIT_FRAGS].pp = V_pf_frent_pl; - V_pf_pool_limits[PF_LIMIT_FRAGS].limit = PFFRAG_FRENT_HIWAT; - V_pf_pool_limits[PF_LIMIT_TABLES].pp = V_pfr_ktable_pl; - V_pf_pool_limits[PF_LIMIT_TABLES].limit = PFR_KTABLE_HIWAT; - V_pf_pool_limits[PF_LIMIT_TABLE_ENTRIES].pp = V_pfr_kentry_pl; - V_pf_pool_limits[PF_LIMIT_TABLE_ENTRIES].limit = PFR_KENTRY_HIWAT; - uma_zone_set_max(V_pf_pool_limits[PF_LIMIT_STATES].pp, - V_pf_pool_limits[PF_LIMIT_STATES].limit); - - RB_INIT(&V_tree_src_tracking); - RB_INIT(&V_pf_anchors); - pf_init_ruleset(&pf_main_ruleset); - - TAILQ_INIT(&V_pf_altqs[0]); - TAILQ_INIT(&V_pf_altqs[1]); - TAILQ_INIT(&V_pf_pabuf); - V_pf_altqs_active = &V_pf_altqs[0]; - V_pf_altqs_inactive = &V_pf_altqs[1]; - TAILQ_INIT(&V_state_list); - - /* default rule should never be garbage collected */ - V_pf_default_rule.entries.tqe_prev = &V_pf_default_rule.entries.tqe_next; - V_pf_default_rule.action = PF_PASS; - V_pf_default_rule.nr = -1; - V_pf_default_rule.rtableid = -1; - - /* initialize default timeouts */ - my_timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; - my_timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; - my_timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; - my_timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; - my_timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; - my_timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; - my_timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; - my_timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; - my_timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; - my_timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; - my_timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; - my_timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; - my_timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; - my_timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; - my_timeout[PFTM_FRAG] = PFTM_FRAG_VAL; - my_timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; - my_timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; - my_timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; - my_timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; - my_timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; - - pf_normalize_init(); - - bzero(&V_pf_status, sizeof(V_pf_status)); - V_pf_status.debug = PF_DEBUG_URGENT; - - V_pf_pfil_hooked = 0; - - /* XXX do our best to avoid a conflict */ - V_pf_status.hostid = arc4random(); - - if (kproc_create(pf_purge_thread, curvnet, NULL, 0, 0, "pfpurge")) - return (ENXIO); - - m_addr_chg_pf_p = pf_pkt_addr_changed; - - return (error); -} -#else /* !__FreeBSD__ */ - -void -pfattach(int num) -{ - u_int32_t *timeout = pf_default_rule.timeout; - - pool_init(&pf_rule_pl, sizeof(struct pf_rule), 0, 0, 0, "pfrulepl", - &pool_allocator_nointr); - pool_init(&pf_src_tree_pl, sizeof(struct pf_src_node), 0, 0, 0, - "pfsrctrpl", NULL); - pool_init(&pf_state_pl, sizeof(struct pf_state), 0, 0, 0, "pfstatepl", - NULL); - pool_init(&pf_state_key_pl, sizeof(struct pf_state_key), 0, 0, 0, - "pfstatekeypl", NULL); - pool_init(&pf_state_item_pl, sizeof(struct pf_state_item), 0, 0, 0, - "pfstateitempl", NULL); - pool_init(&pf_altq_pl, sizeof(struct pf_altq), 0, 0, 0, "pfaltqpl", - &pool_allocator_nointr); - pool_init(&pf_pooladdr_pl, sizeof(struct pf_pooladdr), 0, 0, 0, - "pfpooladdrpl", &pool_allocator_nointr); - pfr_initialize(); - pfi_initialize(); - pf_osfp_initialize(); - - pool_sethardlimit(pf_pool_limits[PF_LIMIT_STATES].pp, - pf_pool_limits[PF_LIMIT_STATES].limit, NULL, 0); - - if (physmem <= atop(100*1024*1024)) - pf_pool_limits[PF_LIMIT_TABLE_ENTRIES].limit = - PFR_KENTRY_HIWAT_SMALL; - - RB_INIT(&tree_src_tracking); - RB_INIT(&pf_anchors); - pf_init_ruleset(&pf_main_ruleset); - TAILQ_INIT(&pf_altqs[0]); - TAILQ_INIT(&pf_altqs[1]); - TAILQ_INIT(&pf_pabuf); - pf_altqs_active = &pf_altqs[0]; - pf_altqs_inactive = &pf_altqs[1]; - TAILQ_INIT(&state_list); - - /* default rule should never be garbage collected */ - pf_default_rule.entries.tqe_prev = &pf_default_rule.entries.tqe_next; - pf_default_rule.action = PF_PASS; - pf_default_rule.nr = -1; - pf_default_rule.rtableid = -1; - - /* initialize default timeouts */ - timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL; - timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL; - timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL; - timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL; - timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL; - timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL; - timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL; - timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL; - timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL; - timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL; - timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL; - timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL; - timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL; - timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL; - timeout[PFTM_FRAG] = PFTM_FRAG_VAL; - timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL; - timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL; - timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL; - timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START; - timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END; - - pf_normalize_init(); - bzero(&pf_status, sizeof(pf_status)); - pf_status.debug = PF_DEBUG_URGENT; - - /* XXX do our best to avoid a conflict */ - pf_status.hostid = arc4random(); - - /* require process context to purge states, so perform in a thread */ - kthread_create_deferred(pf_thread_create, NULL); -} - -void -pf_thread_create(void *v) -{ - if (kthread_create(pf_purge_thread, NULL, NULL, "pfpurge")) - panic("pfpurge thread"); -} - -int -pfopen(dev_t dev, int flags, int fmt, struct proc *p) -{ - if (minor(dev) >= 1) - return (ENXIO); - return (0); -} - -int -pfclose(dev_t dev, int flags, int fmt, struct proc *p) -{ - if (minor(dev) >= 1) - return (ENXIO); - return (0); -} -#endif - -struct pf_pool * -pf_get_pool(char *anchor, u_int32_t ticket, u_int8_t rule_action, - u_int32_t rule_number, u_int8_t r_last, u_int8_t active, - u_int8_t check_ticket) -{ - struct pf_ruleset *ruleset; - struct pf_rule *rule; - int rs_num; - - ruleset = pf_find_ruleset(anchor); - if (ruleset == NULL) - return (NULL); - rs_num = pf_get_ruleset_number(rule_action); - if (rs_num >= PF_RULESET_MAX) - return (NULL); - if (active) { - if (check_ticket && ticket != - ruleset->rules[rs_num].active.ticket) - return (NULL); - if (r_last) - rule = TAILQ_LAST(ruleset->rules[rs_num].active.ptr, - pf_rulequeue); - else - rule = TAILQ_FIRST(ruleset->rules[rs_num].active.ptr); - } else { - if (check_ticket && ticket != - ruleset->rules[rs_num].inactive.ticket) - return (NULL); - if (r_last) - rule = TAILQ_LAST(ruleset->rules[rs_num].inactive.ptr, - pf_rulequeue); - else - rule = TAILQ_FIRST(ruleset->rules[rs_num].inactive.ptr); - } - if (!r_last) { - while ((rule != NULL) && (rule->nr != rule_number)) - rule = TAILQ_NEXT(rule, entries); - } - if (rule == NULL) - return (NULL); - - return (&rule->rpool); -} - -void -pf_mv_pool(struct pf_palist *poola, struct pf_palist *poolb) -{ - struct pf_pooladdr *mv_pool_pa; - - while ((mv_pool_pa = TAILQ_FIRST(poola)) != NULL) { - TAILQ_REMOVE(poola, mv_pool_pa, entries); - TAILQ_INSERT_TAIL(poolb, mv_pool_pa, entries); - } -} - -void -pf_empty_pool(struct pf_palist *poola) -{ - struct pf_pooladdr *empty_pool_pa; - - while ((empty_pool_pa = TAILQ_FIRST(poola)) != NULL) { - pfi_dynaddr_remove(&empty_pool_pa->addr); - pf_tbladdr_remove(&empty_pool_pa->addr); - pfi_kif_unref(empty_pool_pa->kif, PFI_KIF_REF_RULE); - TAILQ_REMOVE(poola, empty_pool_pa, entries); -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, empty_pool_pa); -#else - pool_put(&pf_pooladdr_pl, empty_pool_pa); -#endif - } -} - -void -pf_rm_rule(struct pf_rulequeue *rulequeue, struct pf_rule *rule) -{ - if (rulequeue != NULL) { - if (rule->states_cur <= 0) { - /* - * XXX - we need to remove the table *before* detaching - * the rule to make sure the table code does not delete - * the anchor under our feet. - */ - pf_tbladdr_remove(&rule->src.addr); - pf_tbladdr_remove(&rule->dst.addr); - if (rule->overload_tbl) - pfr_detach_table(rule->overload_tbl); - } - TAILQ_REMOVE(rulequeue, rule, entries); - rule->entries.tqe_prev = NULL; - rule->nr = -1; - } - - if (rule->states_cur > 0 || rule->src_nodes > 0 || - rule->entries.tqe_prev != NULL) - return; - pf_tag_unref(rule->tag); - pf_tag_unref(rule->match_tag); -#ifdef ALTQ - if (rule->pqid != rule->qid) - pf_qid_unref(rule->pqid); - pf_qid_unref(rule->qid); -#endif - pf_rtlabel_remove(&rule->src.addr); - pf_rtlabel_remove(&rule->dst.addr); - pfi_dynaddr_remove(&rule->src.addr); - pfi_dynaddr_remove(&rule->dst.addr); - if (rulequeue == NULL) { - pf_tbladdr_remove(&rule->src.addr); - pf_tbladdr_remove(&rule->dst.addr); - if (rule->overload_tbl) - pfr_detach_table(rule->overload_tbl); - } - pfi_kif_unref(rule->kif, PFI_KIF_REF_RULE); - pf_anchor_remove(rule); - pf_empty_pool(&rule->rpool.list); -#ifdef __FreeBSD__ - pool_put(&V_pf_rule_pl, rule); -#else - pool_put(&pf_rule_pl, rule); -#endif -} - -u_int16_t -tagname2tag(struct pf_tags *head, char *tagname) -{ - struct pf_tagname *tag, *p = NULL; - u_int16_t new_tagid = 1; - - TAILQ_FOREACH(tag, head, entries) - if (strcmp(tagname, tag->name) == 0) { - tag->ref++; - return (tag->tag); - } - - /* - * to avoid fragmentation, we do a linear search from the beginning - * and take the first free slot we find. if there is none or the list - * is empty, append a new entry at the end. - */ - - /* new entry */ - if (!TAILQ_EMPTY(head)) - for (p = TAILQ_FIRST(head); p != NULL && - p->tag == new_tagid; p = TAILQ_NEXT(p, entries)) - new_tagid = p->tag + 1; - - if (new_tagid > TAGID_MAX) - return (0); - - /* allocate and fill new struct pf_tagname */ - tag = malloc(sizeof(*tag), M_TEMP, M_NOWAIT|M_ZERO); - if (tag == NULL) - return (0); - strlcpy(tag->name, tagname, sizeof(tag->name)); - tag->tag = new_tagid; - tag->ref++; - - if (p != NULL) /* insert new entry before p */ - TAILQ_INSERT_BEFORE(p, tag, entries); - else /* either list empty or no free slot in between */ - TAILQ_INSERT_TAIL(head, tag, entries); - - return (tag->tag); -} - -void -tag2tagname(struct pf_tags *head, u_int16_t tagid, char *p) -{ - struct pf_tagname *tag; - - TAILQ_FOREACH(tag, head, entries) - if (tag->tag == tagid) { - strlcpy(p, tag->name, PF_TAG_NAME_SIZE); - return; - } -} - -void -tag_unref(struct pf_tags *head, u_int16_t tag) -{ - struct pf_tagname *p, *next; - - if (tag == 0) - return; - - for (p = TAILQ_FIRST(head); p != NULL; p = next) { - next = TAILQ_NEXT(p, entries); - if (tag == p->tag) { - if (--p->ref == 0) { - TAILQ_REMOVE(head, p, entries); - free(p, M_TEMP); - } - break; - } - } -} - -u_int16_t -pf_tagname2tag(char *tagname) -{ -#ifdef __FreeBSD__ - return (tagname2tag(&V_pf_tags, tagname)); -#else - return (tagname2tag(&pf_tags, tagname)); -#endif -} - -void -pf_tag2tagname(u_int16_t tagid, char *p) -{ -#ifdef __FreeBSD__ - tag2tagname(&V_pf_tags, tagid, p); -#else - tag2tagname(&pf_tags, tagid, p); -#endif -} - -void -pf_tag_ref(u_int16_t tag) -{ - struct pf_tagname *t; - -#ifdef __FreeBSD__ - TAILQ_FOREACH(t, &V_pf_tags, entries) -#else - TAILQ_FOREACH(t, &pf_tags, entries) -#endif - if (t->tag == tag) - break; - if (t != NULL) - t->ref++; -} - -void -pf_tag_unref(u_int16_t tag) -{ -#ifdef __FreeBSD__ - tag_unref(&V_pf_tags, tag); -#else - tag_unref(&pf_tags, tag); -#endif -} - -int -pf_rtlabel_add(struct pf_addr_wrap *a) -{ -#ifdef __FreeBSD__ - /* XXX_IMPORT: later */ - return (0); -#else - if (a->type == PF_ADDR_RTLABEL && - (a->v.rtlabel = rtlabel_name2id(a->v.rtlabelname)) == 0) - return (-1); - return (0); -#endif -} - -void -pf_rtlabel_remove(struct pf_addr_wrap *a) -{ -#ifdef __FreeBSD__ - /* XXX_IMPORT: later */ -#else - if (a->type == PF_ADDR_RTLABEL) - rtlabel_unref(a->v.rtlabel); -#endif -} - -void -pf_rtlabel_copyout(struct pf_addr_wrap *a) -{ -#ifdef __FreeBSD__ - /* XXX_IMPORT: later */ - if (a->type == PF_ADDR_RTLABEL && a->v.rtlabel) - strlcpy(a->v.rtlabelname, "?", sizeof(a->v.rtlabelname)); -#else - const char *name; - - if (a->type == PF_ADDR_RTLABEL && a->v.rtlabel) { - if ((name = rtlabel_id2name(a->v.rtlabel)) == NULL) - strlcpy(a->v.rtlabelname, "?", - sizeof(a->v.rtlabelname)); - else - strlcpy(a->v.rtlabelname, name, - sizeof(a->v.rtlabelname)); - } -#endif -} - -#ifdef ALTQ -u_int32_t -pf_qname2qid(char *qname) -{ -#ifdef __FreeBSD__ - return ((u_int32_t)tagname2tag(&V_pf_qids, qname)); -#else - return ((u_int32_t)tagname2tag(&pf_qids, qname)); -#endif -} - -void -pf_qid2qname(u_int32_t qid, char *p) -{ -#ifdef __FreeBSD__ - tag2tagname(&V_pf_qids, (u_int16_t)qid, p); -#else - tag2tagname(&pf_qids, (u_int16_t)qid, p); -#endif -} - -void -pf_qid_unref(u_int32_t qid) -{ -#ifdef __FreeBSD__ - tag_unref(&V_pf_qids, (u_int16_t)qid); -#else - tag_unref(&pf_qids, (u_int16_t)qid); -#endif -} - -int -pf_begin_altq(u_int32_t *ticket) -{ - struct pf_altq *altq; - int error = 0; - - /* Purge the old altq list */ -#ifdef __FreeBSD__ - while ((altq = TAILQ_FIRST(V_pf_altqs_inactive)) != NULL) { - TAILQ_REMOVE(V_pf_altqs_inactive, altq, entries); - if (altq->qname[0] == 0 && - (altq->local_flags & PFALTQ_FLAG_IF_REMOVED) == 0) { -#else - while ((altq = TAILQ_FIRST(pf_altqs_inactive)) != NULL) { - TAILQ_REMOVE(pf_altqs_inactive, altq, entries); - if (altq->qname[0] == 0) { -#endif - /* detach and destroy the discipline */ - error = altq_remove(altq); - } else - pf_qid_unref(altq->qid); -#ifdef __FreeBSD__ - pool_put(&V_pf_altq_pl, altq); -#else - pool_put(&pf_altq_pl, altq); -#endif - } - if (error) - return (error); -#ifdef __FreeBSD__ - *ticket = ++V_ticket_altqs_inactive; - V_altqs_inactive_open = 1; -#else - *ticket = ++ticket_altqs_inactive; - altqs_inactive_open = 1; -#endif - return (0); -} - -int -pf_rollback_altq(u_int32_t ticket) -{ - struct pf_altq *altq; - int error = 0; - -#ifdef __FreeBSD__ - if (!V_altqs_inactive_open || ticket != V_ticket_altqs_inactive) - return (0); - /* Purge the old altq list */ - while ((altq = TAILQ_FIRST(V_pf_altqs_inactive)) != NULL) { - TAILQ_REMOVE(V_pf_altqs_inactive, altq, entries); - if (altq->qname[0] == 0 && - (altq->local_flags & PFALTQ_FLAG_IF_REMOVED) == 0) { -#else - if (!altqs_inactive_open || ticket != ticket_altqs_inactive) - return (0); - /* Purge the old altq list */ - while ((altq = TAILQ_FIRST(pf_altqs_inactive)) != NULL) { - TAILQ_REMOVE(pf_altqs_inactive, altq, entries); - if (altq->qname[0] == 0) { -#endif - /* detach and destroy the discipline */ - error = altq_remove(altq); - } else - pf_qid_unref(altq->qid); -#ifdef __FreeBSD__ - pool_put(&V_pf_altq_pl, altq); -#else - pool_put(&pf_altq_pl, altq); -#endif - } -#ifdef __FreeBSD__ - V_altqs_inactive_open = 0; -#else - altqs_inactive_open = 0; -#endif - return (error); -} - -int -pf_commit_altq(u_int32_t ticket) -{ - struct pf_altqqueue *old_altqs; - struct pf_altq *altq; - int s, err, error = 0; - -#ifdef __FreeBSD__ - if (!V_altqs_inactive_open || ticket != V_ticket_altqs_inactive) -#else - if (!altqs_inactive_open || ticket != ticket_altqs_inactive) -#endif - return (EBUSY); - - /* swap altqs, keep the old. */ - s = splsoftnet(); -#ifdef __FreeBSD__ - old_altqs = V_pf_altqs_active; - V_pf_altqs_active = V_pf_altqs_inactive; - V_pf_altqs_inactive = old_altqs; - V_ticket_altqs_active = V_ticket_altqs_inactive; -#else - old_altqs = pf_altqs_active; - pf_altqs_active = pf_altqs_inactive; - pf_altqs_inactive = old_altqs; - ticket_altqs_active = ticket_altqs_inactive; -#endif - - /* Attach new disciplines */ -#ifdef __FreeBSD__ - TAILQ_FOREACH(altq, V_pf_altqs_active, entries) { - if (altq->qname[0] == 0 && - (altq->local_flags & PFALTQ_FLAG_IF_REMOVED) == 0) { -#else - TAILQ_FOREACH(altq, pf_altqs_active, entries) { - if (altq->qname[0] == 0) { -#endif - /* attach the discipline */ - error = altq_pfattach(altq); -#ifdef __FreeBSD__ - if (error == 0 && V_pf_altq_running) -#else - if (error == 0 && pf_altq_running) -#endif - error = pf_enable_altq(altq); - if (error != 0) { - splx(s); - return (error); - } - } - } - - /* Purge the old altq list */ -#ifdef __FreeBSD__ - while ((altq = TAILQ_FIRST(V_pf_altqs_inactive)) != NULL) { - TAILQ_REMOVE(V_pf_altqs_inactive, altq, entries); - if (altq->qname[0] == 0 && - (altq->local_flags & PFALTQ_FLAG_IF_REMOVED) == 0) { -#else - while ((altq = TAILQ_FIRST(pf_altqs_inactive)) != NULL) { - TAILQ_REMOVE(pf_altqs_inactive, altq, entries); - if (altq->qname[0] == 0) { -#endif - /* detach and destroy the discipline */ -#ifdef __FreeBSD__ - if (V_pf_altq_running) -#else - if (pf_altq_running) -#endif - error = pf_disable_altq(altq); - err = altq_pfdetach(altq); - if (err != 0 && error == 0) - error = err; - err = altq_remove(altq); - if (err != 0 && error == 0) - error = err; - } else - pf_qid_unref(altq->qid); -#ifdef __FreeBSD__ - pool_put(&V_pf_altq_pl, altq); -#else - pool_put(&pf_altq_pl, altq); -#endif - } - splx(s); - -#ifdef __FreeBSD__ - V_altqs_inactive_open = 0; -#else - altqs_inactive_open = 0; -#endif - return (error); -} - -int -pf_enable_altq(struct pf_altq *altq) -{ - struct ifnet *ifp; - struct tb_profile tb; - int s, error = 0; - - if ((ifp = ifunit(altq->ifname)) == NULL) - return (EINVAL); - - if (ifp->if_snd.altq_type != ALTQT_NONE) - error = altq_enable(&ifp->if_snd); - - /* set tokenbucket regulator */ - if (error == 0 && ifp != NULL && ALTQ_IS_ENABLED(&ifp->if_snd)) { - tb.rate = altq->ifbandwidth; - tb.depth = altq->tbrsize; - s = splnet(); -#ifdef __FreeBSD__ - PF_UNLOCK(); -#endif - error = tbr_set(&ifp->if_snd, &tb); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - splx(s); - } - - return (error); -} - -int -pf_disable_altq(struct pf_altq *altq) -{ - struct ifnet *ifp; - struct tb_profile tb; - int s, error; - - if ((ifp = ifunit(altq->ifname)) == NULL) - return (EINVAL); - - /* - * when the discipline is no longer referenced, it was overridden - * by a new one. if so, just return. - */ - if (altq->altq_disc != ifp->if_snd.altq_disc) - return (0); - - error = altq_disable(&ifp->if_snd); - - if (error == 0) { - /* clear tokenbucket regulator */ - tb.rate = 0; - s = splnet(); -#ifdef __FreeBSD__ - PF_UNLOCK(); -#endif - error = tbr_set(&ifp->if_snd, &tb); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - splx(s); - } - - return (error); -} - -#ifdef __FreeBSD__ -void -pf_altq_ifnet_event(struct ifnet *ifp, int remove) -{ - struct ifnet *ifp1; - struct pf_altq *a1, *a2, *a3; - u_int32_t ticket; - int error = 0; - - /* Interrupt userland queue modifications */ -#ifdef __FreeBSD__ - if (V_altqs_inactive_open) - pf_rollback_altq(V_ticket_altqs_inactive); -#else - if (altqs_inactive_open) - pf_rollback_altq(ticket_altqs_inactive); -#endif - - /* Start new altq ruleset */ - if (pf_begin_altq(&ticket)) - return; - - /* Copy the current active set */ -#ifdef __FreeBSD__ - TAILQ_FOREACH(a1, V_pf_altqs_active, entries) { - a2 = pool_get(&V_pf_altq_pl, PR_NOWAIT); -#else - TAILQ_FOREACH(a1, pf_altqs_active, entries) { - a2 = pool_get(&pf_altq_pl, PR_NOWAIT); -#endif - if (a2 == NULL) { - error = ENOMEM; - break; - } - bcopy(a1, a2, sizeof(struct pf_altq)); - - if (a2->qname[0] != 0) { - if ((a2->qid = pf_qname2qid(a2->qname)) == 0) { - error = EBUSY; -#ifdef __FreeBSD__ - pool_put(&V_pf_altq_pl, a2); -#else - pool_put(&pf_altq_pl, a2); -#endif - break; - } - a2->altq_disc = NULL; -#ifdef __FreeBSD__ - TAILQ_FOREACH(a3, V_pf_altqs_inactive, entries) { -#else - TAILQ_FOREACH(a3, pf_altqs_inactive, entries) { -#endif - if (strncmp(a3->ifname, a2->ifname, - IFNAMSIZ) == 0 && a3->qname[0] == 0) { - a2->altq_disc = a3->altq_disc; - break; - } - } - } - /* Deactivate the interface in question */ - a2->local_flags &= ~PFALTQ_FLAG_IF_REMOVED; - if ((ifp1 = ifunit(a2->ifname)) == NULL || - (remove && ifp1 == ifp)) { - a2->local_flags |= PFALTQ_FLAG_IF_REMOVED; - } else { - PF_UNLOCK(); - error = altq_add(a2); - PF_LOCK(); - -#ifdef __FreeBSD__ - if (ticket != V_ticket_altqs_inactive) -#else - if (ticket != ticket_altqs_inactive) -#endif - error = EBUSY; - - if (error) { -#ifdef __FreeBSD__ - pool_put(&V_pf_altq_pl, a2); -#else - pool_put(&pf_altq_pl, a2); -#endif - break; - } - } - -#ifdef __FreeBSD__ - TAILQ_INSERT_TAIL(V_pf_altqs_inactive, a2, entries); -#else - TAILQ_INSERT_TAIL(pf_altqs_inactive, a2, entries); -#endif - } - - if (error != 0) - pf_rollback_altq(ticket); - else - pf_commit_altq(ticket); - } -#endif -#endif /* ALTQ */ - -int -pf_begin_rules(u_int32_t *ticket, int rs_num, const char *anchor) -{ - struct pf_ruleset *rs; - struct pf_rule *rule; - - if (rs_num < 0 || rs_num >= PF_RULESET_MAX) - return (EINVAL); - rs = pf_find_or_create_ruleset(anchor); - if (rs == NULL) - return (EINVAL); - while ((rule = TAILQ_FIRST(rs->rules[rs_num].inactive.ptr)) != NULL) { - pf_rm_rule(rs->rules[rs_num].inactive.ptr, rule); - rs->rules[rs_num].inactive.rcount--; - } - *ticket = ++rs->rules[rs_num].inactive.ticket; - rs->rules[rs_num].inactive.open = 1; - return (0); -} - -int -pf_rollback_rules(u_int32_t ticket, int rs_num, char *anchor) -{ - struct pf_ruleset *rs; - struct pf_rule *rule; - - if (rs_num < 0 || rs_num >= PF_RULESET_MAX) - return (EINVAL); - rs = pf_find_ruleset(anchor); - if (rs == NULL || !rs->rules[rs_num].inactive.open || - rs->rules[rs_num].inactive.ticket != ticket) - return (0); - while ((rule = TAILQ_FIRST(rs->rules[rs_num].inactive.ptr)) != NULL) { - pf_rm_rule(rs->rules[rs_num].inactive.ptr, rule); - rs->rules[rs_num].inactive.rcount--; - } - rs->rules[rs_num].inactive.open = 0; - return (0); -} - -#define PF_MD5_UPD(st, elm) \ - MD5Update(ctx, (u_int8_t *) &(st)->elm, sizeof((st)->elm)) - -#define PF_MD5_UPD_STR(st, elm) \ - MD5Update(ctx, (u_int8_t *) (st)->elm, strlen((st)->elm)) - -#define PF_MD5_UPD_HTONL(st, elm, stor) do { \ - (stor) = htonl((st)->elm); \ - MD5Update(ctx, (u_int8_t *) &(stor), sizeof(u_int32_t));\ -} while (0) - -#define PF_MD5_UPD_HTONS(st, elm, stor) do { \ - (stor) = htons((st)->elm); \ - MD5Update(ctx, (u_int8_t *) &(stor), sizeof(u_int16_t));\ -} while (0) - -void -pf_hash_rule_addr(MD5_CTX *ctx, struct pf_rule_addr *pfr) -{ - PF_MD5_UPD(pfr, addr.type); - switch (pfr->addr.type) { - case PF_ADDR_DYNIFTL: - PF_MD5_UPD(pfr, addr.v.ifname); - PF_MD5_UPD(pfr, addr.iflags); - break; - case PF_ADDR_TABLE: - PF_MD5_UPD(pfr, addr.v.tblname); - break; - case PF_ADDR_ADDRMASK: - /* XXX ignore af? */ - PF_MD5_UPD(pfr, addr.v.a.addr.addr32); - PF_MD5_UPD(pfr, addr.v.a.mask.addr32); - break; - case PF_ADDR_RTLABEL: - PF_MD5_UPD(pfr, addr.v.rtlabelname); - break; - } - - PF_MD5_UPD(pfr, port[0]); - PF_MD5_UPD(pfr, port[1]); - PF_MD5_UPD(pfr, neg); - PF_MD5_UPD(pfr, port_op); -} - -void -pf_hash_rule(MD5_CTX *ctx, struct pf_rule *rule) -{ - u_int16_t x; - u_int32_t y; - - pf_hash_rule_addr(ctx, &rule->src); - pf_hash_rule_addr(ctx, &rule->dst); - PF_MD5_UPD_STR(rule, label); - PF_MD5_UPD_STR(rule, ifname); - PF_MD5_UPD_STR(rule, match_tagname); - PF_MD5_UPD_HTONS(rule, match_tag, x); /* dup? */ - PF_MD5_UPD_HTONL(rule, os_fingerprint, y); - PF_MD5_UPD_HTONL(rule, prob, y); - PF_MD5_UPD_HTONL(rule, uid.uid[0], y); - PF_MD5_UPD_HTONL(rule, uid.uid[1], y); - PF_MD5_UPD(rule, uid.op); - PF_MD5_UPD_HTONL(rule, gid.gid[0], y); - PF_MD5_UPD_HTONL(rule, gid.gid[1], y); - PF_MD5_UPD(rule, gid.op); - PF_MD5_UPD_HTONL(rule, rule_flag, y); - PF_MD5_UPD(rule, action); - PF_MD5_UPD(rule, direction); - PF_MD5_UPD(rule, af); - PF_MD5_UPD(rule, quick); - PF_MD5_UPD(rule, ifnot); - PF_MD5_UPD(rule, match_tag_not); - PF_MD5_UPD(rule, natpass); - PF_MD5_UPD(rule, keep_state); - PF_MD5_UPD(rule, proto); - PF_MD5_UPD(rule, type); - PF_MD5_UPD(rule, code); - PF_MD5_UPD(rule, flags); - PF_MD5_UPD(rule, flagset); - PF_MD5_UPD(rule, allow_opts); - PF_MD5_UPD(rule, rt); - PF_MD5_UPD(rule, tos); -} - -int -pf_commit_rules(u_int32_t ticket, int rs_num, char *anchor) -{ - struct pf_ruleset *rs; - struct pf_rule *rule, **old_array; - struct pf_rulequeue *old_rules; - int s, error; - u_int32_t old_rcount; - - if (rs_num < 0 || rs_num >= PF_RULESET_MAX) - return (EINVAL); - rs = pf_find_ruleset(anchor); - if (rs == NULL || !rs->rules[rs_num].inactive.open || - ticket != rs->rules[rs_num].inactive.ticket) - return (EBUSY); - - /* Calculate checksum for the main ruleset */ - if (rs == &pf_main_ruleset) { - error = pf_setup_pfsync_matching(rs); - if (error != 0) - return (error); - } - - /* Swap rules, keep the old. */ - s = splsoftnet(); - old_rules = rs->rules[rs_num].active.ptr; - old_rcount = rs->rules[rs_num].active.rcount; - old_array = rs->rules[rs_num].active.ptr_array; - - rs->rules[rs_num].active.ptr = - rs->rules[rs_num].inactive.ptr; - rs->rules[rs_num].active.ptr_array = - rs->rules[rs_num].inactive.ptr_array; - rs->rules[rs_num].active.rcount = - rs->rules[rs_num].inactive.rcount; - rs->rules[rs_num].inactive.ptr = old_rules; - rs->rules[rs_num].inactive.ptr_array = old_array; - rs->rules[rs_num].inactive.rcount = old_rcount; - - rs->rules[rs_num].active.ticket = - rs->rules[rs_num].inactive.ticket; - pf_calc_skip_steps(rs->rules[rs_num].active.ptr); - - - /* Purge the old rule list. */ - while ((rule = TAILQ_FIRST(old_rules)) != NULL) - pf_rm_rule(old_rules, rule); - if (rs->rules[rs_num].inactive.ptr_array) - free(rs->rules[rs_num].inactive.ptr_array, M_TEMP); - rs->rules[rs_num].inactive.ptr_array = NULL; - rs->rules[rs_num].inactive.rcount = 0; - rs->rules[rs_num].inactive.open = 0; - pf_remove_if_empty_ruleset(rs); - splx(s); - return (0); -} - -int -pf_setup_pfsync_matching(struct pf_ruleset *rs) -{ - MD5_CTX ctx; - struct pf_rule *rule; - int rs_cnt; - u_int8_t digest[PF_MD5_DIGEST_LENGTH]; - - MD5Init(&ctx); - for (rs_cnt = 0; rs_cnt < PF_RULESET_MAX; rs_cnt++) { - /* XXX PF_RULESET_SCRUB as well? */ - if (rs_cnt == PF_RULESET_SCRUB) - continue; - - if (rs->rules[rs_cnt].inactive.ptr_array) - free(rs->rules[rs_cnt].inactive.ptr_array, M_TEMP); - rs->rules[rs_cnt].inactive.ptr_array = NULL; - - if (rs->rules[rs_cnt].inactive.rcount) { - rs->rules[rs_cnt].inactive.ptr_array = - malloc(sizeof(caddr_t) * - rs->rules[rs_cnt].inactive.rcount, - M_TEMP, M_NOWAIT); - - if (!rs->rules[rs_cnt].inactive.ptr_array) - return (ENOMEM); - } - - TAILQ_FOREACH(rule, rs->rules[rs_cnt].inactive.ptr, - entries) { - pf_hash_rule(&ctx, rule); - (rs->rules[rs_cnt].inactive.ptr_array)[rule->nr] = rule; - } - } - - MD5Final(digest, &ctx); -#ifdef __FreeBSD__ - memcpy(V_pf_status.pf_chksum, digest, sizeof(V_pf_status.pf_chksum)); -#else - memcpy(pf_status.pf_chksum, digest, sizeof(pf_status.pf_chksum)); -#endif - return (0); -} - -int -pf_addr_setup(struct pf_ruleset *ruleset, struct pf_addr_wrap *addr, - sa_family_t af) -{ - if (pfi_dynaddr_setup(addr, af) || - pf_tbladdr_setup(ruleset, addr)) - return (EINVAL); - - return (0); -} - -void -pf_addr_copyout(struct pf_addr_wrap *addr) -{ - pfi_dynaddr_copyout(addr); - pf_tbladdr_copyout(addr); - pf_rtlabel_copyout(addr); -} - -int -#ifdef __FreeBSD__ -pfioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread *td) -#else -pfioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p) -#endif -{ - struct pf_pooladdr *pa = NULL; - struct pf_pool *pool = NULL; -#ifndef __FreeBSD__ - int s; -#endif - int error = 0; - - CURVNET_SET(TD_TO_VNET(td)); - - /* XXX keep in sync with switch() below */ -#ifdef __FreeBSD__ - if (securelevel_gt(td->td_ucred, 2)) -#else - if (securelevel > 1) -#endif - switch (cmd) { - case DIOCGETRULES: - case DIOCGETRULE: - case DIOCGETADDRS: - case DIOCGETADDR: - case DIOCGETSTATE: - case DIOCSETSTATUSIF: - case DIOCGETSTATUS: - case DIOCCLRSTATUS: - case DIOCNATLOOK: - case DIOCSETDEBUG: - case DIOCGETSTATES: - case DIOCGETTIMEOUT: - case DIOCCLRRULECTRS: - case DIOCGETLIMIT: - case DIOCGETALTQS: - case DIOCGETALTQ: - case DIOCGETQSTATS: - case DIOCGETRULESETS: - case DIOCGETRULESET: - case DIOCRGETTABLES: - case DIOCRGETTSTATS: - case DIOCRCLRTSTATS: - case DIOCRCLRADDRS: - case DIOCRADDADDRS: - case DIOCRDELADDRS: - case DIOCRSETADDRS: - case DIOCRGETADDRS: - case DIOCRGETASTATS: - case DIOCRCLRASTATS: - case DIOCRTSTADDRS: - case DIOCOSFPGET: - case DIOCGETSRCNODES: - case DIOCCLRSRCNODES: - case DIOCIGETIFACES: -#ifdef __FreeBSD__ - case DIOCGIFSPEED: -#endif - case DIOCSETIFFLAG: - case DIOCCLRIFFLAG: - break; - case DIOCRCLRTABLES: - case DIOCRADDTABLES: - case DIOCRDELTABLES: - case DIOCRSETTFLAGS: - if (((struct pfioc_table *)addr)->pfrio_flags & - PFR_FLAG_DUMMY) - break; /* dummy operation ok */ - return (EPERM); - default: - return (EPERM); - } - - if (!(flags & FWRITE)) - switch (cmd) { - case DIOCGETRULES: - case DIOCGETADDRS: - case DIOCGETADDR: - case DIOCGETSTATE: - case DIOCGETSTATUS: - case DIOCGETSTATES: - case DIOCGETTIMEOUT: - case DIOCGETLIMIT: - case DIOCGETALTQS: - case DIOCGETALTQ: - case DIOCGETQSTATS: - case DIOCGETRULESETS: - case DIOCGETRULESET: - case DIOCNATLOOK: - case DIOCRGETTABLES: - case DIOCRGETTSTATS: - case DIOCRGETADDRS: - case DIOCRGETASTATS: - case DIOCRTSTADDRS: - case DIOCOSFPGET: - case DIOCGETSRCNODES: - case DIOCIGETIFACES: -#ifdef __FreeBSD__ - case DIOCGIFSPEED: -#endif - break; - case DIOCRCLRTABLES: - case DIOCRADDTABLES: - case DIOCRDELTABLES: - case DIOCRCLRTSTATS: - case DIOCRCLRADDRS: - case DIOCRADDADDRS: - case DIOCRDELADDRS: - case DIOCRSETADDRS: - case DIOCRSETTFLAGS: - if (((struct pfioc_table *)addr)->pfrio_flags & - PFR_FLAG_DUMMY) { - flags |= FWRITE; /* need write lock for dummy */ - break; /* dummy operation ok */ - } - return (EACCES); - case DIOCGETRULE: - if (((struct pfioc_rule *)addr)->action == - PF_GET_CLR_CNTR) - return (EACCES); - break; - default: - return (EACCES); - } - - if (flags & FWRITE) -#ifdef __FreeBSD__ - sx_xlock(&V_pf_consistency_lock); - else - sx_slock(&V_pf_consistency_lock); -#else - rw_enter_write(&pf_consistency_lock); - else - rw_enter_read(&pf_consistency_lock); -#endif - -#ifdef __FreeBSD__ - PF_LOCK(); -#else - s = splsoftnet(); -#endif - switch (cmd) { - - case DIOCSTART: -#ifdef __FreeBSD__ - if (V_pf_status.running) -#else - if (pf_status.running) -#endif - error = EEXIST; - else { -#ifdef __FreeBSD__ - PF_UNLOCK(); - error = hook_pf(); - PF_LOCK(); - if (error) { - DPFPRINTF(PF_DEBUG_MISC, - ("pf: pfil registeration fail\n")); - break; - } - V_pf_status.running = 1; - V_pf_status.since = time_second; - - if (V_pf_status.stateid == 0) { - V_pf_status.stateid = time_second; - V_pf_status.stateid = V_pf_status.stateid << 32; - } -#else - pf_status.running = 1; - pf_status.since = time_second; - - if (pf_status.stateid == 0) { - pf_status.stateid = time_second; - pf_status.stateid = pf_status.stateid << 32; - } -#endif - DPFPRINTF(PF_DEBUG_MISC, ("pf: started\n")); - } - break; - - case DIOCSTOP: -#ifdef __FreeBSD__ - if (!V_pf_status.running) - error = ENOENT; - else { - V_pf_status.running = 0; - PF_UNLOCK(); - error = dehook_pf(); - PF_LOCK(); - if (error) { - V_pf_status.running = 1; - DPFPRINTF(PF_DEBUG_MISC, - ("pf: pfil unregisteration failed\n")); - } - V_pf_status.since = time_second; -#else - if (!pf_status.running) - error = ENOENT; - else { - pf_status.running = 0; - pf_status.since = time_second; -#endif - DPFPRINTF(PF_DEBUG_MISC, ("pf: stopped\n")); - } - break; - - case DIOCADDRULE: { - struct pfioc_rule *pr = (struct pfioc_rule *)addr; - struct pf_ruleset *ruleset; - struct pf_rule *rule, *tail; - struct pf_pooladdr *pa; - int rs_num; - - pr->anchor[sizeof(pr->anchor) - 1] = 0; - ruleset = pf_find_ruleset(pr->anchor); - if (ruleset == NULL) { - error = EINVAL; - break; - } - rs_num = pf_get_ruleset_number(pr->rule.action); - if (rs_num >= PF_RULESET_MAX) { - error = EINVAL; - break; - } - if (pr->rule.return_icmp >> 8 > ICMP_MAXTYPE) { - error = EINVAL; - break; - } - if (pr->ticket != ruleset->rules[rs_num].inactive.ticket) { -#ifdef __FreeBSD__ - DPFPRINTF(PF_DEBUG_MISC, - ("ticket: %d != [%d]%d\n", pr->ticket, rs_num, - ruleset->rules[rs_num].inactive.ticket)); -#endif - error = EBUSY; - break; - } -#ifdef __FreeBSD__ - if (pr->pool_ticket != V_ticket_pabuf) { - DPFPRINTF(PF_DEBUG_MISC, - ("pool_ticket: %d != %d\n", pr->pool_ticket, - V_ticket_pabuf)); -#else - if (pr->pool_ticket != ticket_pabuf) { -#endif - error = EBUSY; - break; - } -#ifdef __FreeBSD__ - rule = pool_get(&V_pf_rule_pl, PR_NOWAIT); -#else - rule = pool_get(&pf_rule_pl, PR_WAITOK|PR_LIMITFAIL); -#endif - if (rule == NULL) { - error = ENOMEM; - break; - } - bcopy(&pr->rule, rule, sizeof(struct pf_rule)); -#ifdef __FreeBSD__ -#ifndef __rtems__ - rule->cuid = td->td_ucred->cr_ruid; - rule->cpid = td->td_proc ? td->td_proc->p_pid : 0; -#else /* __rtems__ */ - rule->cuid = BSD_DEFAULT_UID; - rule->cpid = BSD_DEFAULT_PID; -#endif /* __rtems__ */ -#else - rule->cuid = p->p_cred->p_ruid; - rule->cpid = p->p_pid; -#endif - rule->anchor = NULL; - rule->kif = NULL; - TAILQ_INIT(&rule->rpool.list); - /* initialize refcounting */ - rule->states_cur = 0; - rule->src_nodes = 0; - rule->entries.tqe_prev = NULL; -#ifndef INET - if (rule->af == AF_INET) { -#ifdef __FreeBSD__ - pool_put(&V_pf_rule_pl, rule); -#else - pool_put(&pf_rule_pl, rule); -#endif - error = EAFNOSUPPORT; - break; - } -#endif /* INET */ -#ifndef INET6 - if (rule->af == AF_INET6) { -#ifdef __FreeBSD__ - pool_put(&V_pf_rule_pl, rule); -#else - pool_put(&pf_rule_pl, rule); -#endif - error = EAFNOSUPPORT; - break; - } -#endif /* INET6 */ - tail = TAILQ_LAST(ruleset->rules[rs_num].inactive.ptr, - pf_rulequeue); - if (tail) - rule->nr = tail->nr + 1; - else - rule->nr = 0; - if (rule->ifname[0]) { - rule->kif = pfi_kif_get(rule->ifname); - if (rule->kif == NULL) { -#ifdef __FreeBSD__ - pool_put(&V_pf_rule_pl, rule); -#else - pool_put(&pf_rule_pl, rule); -#endif - error = EINVAL; - break; - } - pfi_kif_ref(rule->kif, PFI_KIF_REF_RULE); - } - -#ifdef __FreeBSD__ /* ROUTING */ - if (rule->rtableid > 0 && rule->rtableid >= rt_numfibs) -#else - if (rule->rtableid > 0 && !rtable_exists(rule->rtableid)) -#endif - error = EBUSY; - -#ifdef ALTQ - /* set queue IDs */ - if (rule->qname[0] != 0) { - if ((rule->qid = pf_qname2qid(rule->qname)) == 0) - error = EBUSY; - else if (rule->pqname[0] != 0) { - if ((rule->pqid = - pf_qname2qid(rule->pqname)) == 0) - error = EBUSY; - } else - rule->pqid = rule->qid; - } -#endif - if (rule->tagname[0]) - if ((rule->tag = pf_tagname2tag(rule->tagname)) == 0) - error = EBUSY; - if (rule->match_tagname[0]) - if ((rule->match_tag = - pf_tagname2tag(rule->match_tagname)) == 0) - error = EBUSY; - if (rule->rt && !rule->direction) - error = EINVAL; -#if NPFLOG > 0 - if (!rule->log) - rule->logif = 0; - if (rule->logif >= PFLOGIFS_MAX) - error = EINVAL; -#endif - if (pf_rtlabel_add(&rule->src.addr) || - pf_rtlabel_add(&rule->dst.addr)) - error = EBUSY; - if (pf_addr_setup(ruleset, &rule->src.addr, rule->af)) - error = EINVAL; - if (pf_addr_setup(ruleset, &rule->dst.addr, rule->af)) - error = EINVAL; - if (pf_anchor_setup(rule, ruleset, pr->anchor_call)) - error = EINVAL; -#ifdef __FreeBSD__ - TAILQ_FOREACH(pa, &V_pf_pabuf, entries) -#else - TAILQ_FOREACH(pa, &pf_pabuf, entries) -#endif - if (pf_tbladdr_setup(ruleset, &pa->addr)) - error = EINVAL; - - if (rule->overload_tblname[0]) { - if ((rule->overload_tbl = pfr_attach_table(ruleset, - rule->overload_tblname, 0)) == NULL) - error = EINVAL; - else - rule->overload_tbl->pfrkt_flags |= - PFR_TFLAG_ACTIVE; - } - -#ifdef __FreeBSD__ - pf_mv_pool(&V_pf_pabuf, &rule->rpool.list); -#else - pf_mv_pool(&pf_pabuf, &rule->rpool.list); -#endif - if (((((rule->action == PF_NAT) || (rule->action == PF_RDR) || - (rule->action == PF_BINAT)) && rule->anchor == NULL) || - (rule->rt > PF_FASTROUTE)) && - (TAILQ_FIRST(&rule->rpool.list) == NULL)) - error = EINVAL; - - if (error) { - pf_rm_rule(NULL, rule); - break; - } - -#ifdef __FreeBSD__ - if (!V_debug_pfugidhack && (rule->uid.op || rule->gid.op || - rule->log & PF_LOG_SOCKET_LOOKUP)) { - DPFPRINTF(PF_DEBUG_MISC, - ("pf: debug.pfugidhack enabled\n")); - V_debug_pfugidhack = 1; - } -#endif - rule->rpool.cur = TAILQ_FIRST(&rule->rpool.list); - rule->evaluations = rule->packets[0] = rule->packets[1] = - rule->bytes[0] = rule->bytes[1] = 0; - TAILQ_INSERT_TAIL(ruleset->rules[rs_num].inactive.ptr, - rule, entries); - ruleset->rules[rs_num].inactive.rcount++; - break; - } - - case DIOCGETRULES: { - struct pfioc_rule *pr = (struct pfioc_rule *)addr; - struct pf_ruleset *ruleset; - struct pf_rule *tail; - int rs_num; - - pr->anchor[sizeof(pr->anchor) - 1] = 0; - ruleset = pf_find_ruleset(pr->anchor); - if (ruleset == NULL) { - error = EINVAL; - break; - } - rs_num = pf_get_ruleset_number(pr->rule.action); - if (rs_num >= PF_RULESET_MAX) { - error = EINVAL; - break; - } - tail = TAILQ_LAST(ruleset->rules[rs_num].active.ptr, - pf_rulequeue); - if (tail) - pr->nr = tail->nr + 1; - else - pr->nr = 0; - pr->ticket = ruleset->rules[rs_num].active.ticket; - break; - } - - case DIOCGETRULE: { - struct pfioc_rule *pr = (struct pfioc_rule *)addr; - struct pf_ruleset *ruleset; - struct pf_rule *rule; - int rs_num, i; - - pr->anchor[sizeof(pr->anchor) - 1] = 0; - ruleset = pf_find_ruleset(pr->anchor); - if (ruleset == NULL) { - error = EINVAL; - break; - } - rs_num = pf_get_ruleset_number(pr->rule.action); - if (rs_num >= PF_RULESET_MAX) { - error = EINVAL; - break; - } - if (pr->ticket != ruleset->rules[rs_num].active.ticket) { - error = EBUSY; - break; - } - rule = TAILQ_FIRST(ruleset->rules[rs_num].active.ptr); - while ((rule != NULL) && (rule->nr != pr->nr)) - rule = TAILQ_NEXT(rule, entries); - if (rule == NULL) { - error = EBUSY; - break; - } - bcopy(rule, &pr->rule, sizeof(struct pf_rule)); - if (pf_anchor_copyout(ruleset, rule, pr)) { - error = EBUSY; - break; - } - pf_addr_copyout(&pr->rule.src.addr); - pf_addr_copyout(&pr->rule.dst.addr); - for (i = 0; i < PF_SKIP_COUNT; ++i) - if (rule->skip[i].ptr == NULL) - pr->rule.skip[i].nr = -1; - else - pr->rule.skip[i].nr = - rule->skip[i].ptr->nr; - - if (pr->action == PF_GET_CLR_CNTR) { - rule->evaluations = 0; - rule->packets[0] = rule->packets[1] = 0; - rule->bytes[0] = rule->bytes[1] = 0; - rule->states_tot = 0; - } - break; - } - - case DIOCCHANGERULE: { - struct pfioc_rule *pcr = (struct pfioc_rule *)addr; - struct pf_ruleset *ruleset; - struct pf_rule *oldrule = NULL, *newrule = NULL; - u_int32_t nr = 0; - int rs_num; - - if (!(pcr->action == PF_CHANGE_REMOVE || - pcr->action == PF_CHANGE_GET_TICKET) && -#ifdef __FreeBSD__ - pcr->pool_ticket != V_ticket_pabuf) { -#else - pcr->pool_ticket != ticket_pabuf) { -#endif - error = EBUSY; - break; - } - - if (pcr->action < PF_CHANGE_ADD_HEAD || - pcr->action > PF_CHANGE_GET_TICKET) { - error = EINVAL; - break; - } - ruleset = pf_find_ruleset(pcr->anchor); - if (ruleset == NULL) { - error = EINVAL; - break; - } - rs_num = pf_get_ruleset_number(pcr->rule.action); - if (rs_num >= PF_RULESET_MAX) { - error = EINVAL; - break; - } - - if (pcr->action == PF_CHANGE_GET_TICKET) { - pcr->ticket = ++ruleset->rules[rs_num].active.ticket; - break; - } else { - if (pcr->ticket != - ruleset->rules[rs_num].active.ticket) { - error = EINVAL; - break; - } - if (pcr->rule.return_icmp >> 8 > ICMP_MAXTYPE) { - error = EINVAL; - break; - } - } - - if (pcr->action != PF_CHANGE_REMOVE) { -#ifdef __FreeBSD__ - newrule = pool_get(&V_pf_rule_pl, PR_NOWAIT); -#else - newrule = pool_get(&pf_rule_pl, PR_WAITOK|PR_LIMITFAIL); -#endif - if (newrule == NULL) { - error = ENOMEM; - break; - } - bcopy(&pcr->rule, newrule, sizeof(struct pf_rule)); -#ifdef __FreeBSD__ -#ifndef __rtems__ - newrule->cuid = td->td_ucred->cr_ruid; - newrule->cpid = td->td_proc ? td->td_proc->p_pid : 0; -#else /* __rtems__ */ - newrule->cuid = BSD_DEFAULT_UID; - newrule->cpid = BSD_DEFAULT_PID; -#endif /* __rtems__ */ -#else - newrule->cuid = p->p_cred->p_ruid; - newrule->cpid = p->p_pid; -#endif - TAILQ_INIT(&newrule->rpool.list); - /* initialize refcounting */ - newrule->states_cur = 0; - newrule->entries.tqe_prev = NULL; -#ifndef INET - if (newrule->af == AF_INET) { -#ifdef __FreeBSD__ - pool_put(&V_pf_rule_pl, newrule); -#else - pool_put(&pf_rule_pl, newrule); -#endif - error = EAFNOSUPPORT; - break; - } -#endif /* INET */ -#ifndef INET6 - if (newrule->af == AF_INET6) { -#ifdef __FreeBSD__ - pool_put(&V_pf_rule_pl, newrule); -#else - pool_put(&pf_rule_pl, newrule); -#endif - error = EAFNOSUPPORT; - break; - } -#endif /* INET6 */ - if (newrule->ifname[0]) { - newrule->kif = pfi_kif_get(newrule->ifname); - if (newrule->kif == NULL) { -#ifdef __FreeBSD__ - pool_put(&V_pf_rule_pl, newrule); -#else - pool_put(&pf_rule_pl, newrule); -#endif - error = EINVAL; - break; - } - pfi_kif_ref(newrule->kif, PFI_KIF_REF_RULE); - } else - newrule->kif = NULL; - - if (newrule->rtableid > 0 && -#ifdef __FreeBSD__ /* ROUTING */ - newrule->rtableid >= rt_numfibs) -#else - !rtable_exists(newrule->rtableid)) -#endif - error = EBUSY; - -#ifdef ALTQ - /* set queue IDs */ - if (newrule->qname[0] != 0) { - if ((newrule->qid = - pf_qname2qid(newrule->qname)) == 0) - error = EBUSY; - else if (newrule->pqname[0] != 0) { - if ((newrule->pqid = - pf_qname2qid(newrule->pqname)) == 0) - error = EBUSY; - } else - newrule->pqid = newrule->qid; - } -#endif /* ALTQ */ - if (newrule->tagname[0]) - if ((newrule->tag = - pf_tagname2tag(newrule->tagname)) == 0) - error = EBUSY; - if (newrule->match_tagname[0]) - if ((newrule->match_tag = pf_tagname2tag( - newrule->match_tagname)) == 0) - error = EBUSY; - if (newrule->rt && !newrule->direction) - error = EINVAL; -#if NPFLOG > 0 - if (!newrule->log) - newrule->logif = 0; - if (newrule->logif >= PFLOGIFS_MAX) - error = EINVAL; -#endif - if (pf_rtlabel_add(&newrule->src.addr) || - pf_rtlabel_add(&newrule->dst.addr)) - error = EBUSY; - if (pf_addr_setup(ruleset, &newrule->src.addr, newrule->af)) - error = EINVAL; - if (pf_addr_setup(ruleset, &newrule->dst.addr, newrule->af)) - error = EINVAL; - if (pf_anchor_setup(newrule, ruleset, pcr->anchor_call)) - error = EINVAL; -#ifdef __FreeBSD__ - TAILQ_FOREACH(pa, &V_pf_pabuf, entries) -#else - TAILQ_FOREACH(pa, &pf_pabuf, entries) -#endif - if (pf_tbladdr_setup(ruleset, &pa->addr)) - error = EINVAL; - - if (newrule->overload_tblname[0]) { - if ((newrule->overload_tbl = pfr_attach_table( - ruleset, newrule->overload_tblname, 0)) == - NULL) - error = EINVAL; - else - newrule->overload_tbl->pfrkt_flags |= - PFR_TFLAG_ACTIVE; - } - -#ifdef __FreeBSD__ - pf_mv_pool(&V_pf_pabuf, &newrule->rpool.list); -#else - pf_mv_pool(&pf_pabuf, &newrule->rpool.list); -#endif - if (((((newrule->action == PF_NAT) || - (newrule->action == PF_RDR) || - (newrule->action == PF_BINAT) || - (newrule->rt > PF_FASTROUTE)) && - !newrule->anchor)) && - (TAILQ_FIRST(&newrule->rpool.list) == NULL)) - error = EINVAL; - - if (error) { - pf_rm_rule(NULL, newrule); - break; - } - -#ifdef __FreeBSD__ - if (!V_debug_pfugidhack && (newrule->uid.op || - newrule->gid.op || - newrule->log & PF_LOG_SOCKET_LOOKUP)) { - DPFPRINTF(PF_DEBUG_MISC, - ("pf: debug.pfugidhack enabled\n")); - V_debug_pfugidhack = 1; - } -#endif - - newrule->rpool.cur = TAILQ_FIRST(&newrule->rpool.list); - newrule->evaluations = 0; - newrule->packets[0] = newrule->packets[1] = 0; - newrule->bytes[0] = newrule->bytes[1] = 0; - } -#ifdef __FreeBSD__ - pf_empty_pool(&V_pf_pabuf); -#else - pf_empty_pool(&pf_pabuf); -#endif - - if (pcr->action == PF_CHANGE_ADD_HEAD) - oldrule = TAILQ_FIRST( - ruleset->rules[rs_num].active.ptr); - else if (pcr->action == PF_CHANGE_ADD_TAIL) - oldrule = TAILQ_LAST( - ruleset->rules[rs_num].active.ptr, pf_rulequeue); - else { - oldrule = TAILQ_FIRST( - ruleset->rules[rs_num].active.ptr); - while ((oldrule != NULL) && (oldrule->nr != pcr->nr)) - oldrule = TAILQ_NEXT(oldrule, entries); - if (oldrule == NULL) { - if (newrule != NULL) - pf_rm_rule(NULL, newrule); - error = EINVAL; - break; - } - } - - if (pcr->action == PF_CHANGE_REMOVE) { - pf_rm_rule(ruleset->rules[rs_num].active.ptr, oldrule); - ruleset->rules[rs_num].active.rcount--; - } else { - if (oldrule == NULL) - TAILQ_INSERT_TAIL( - ruleset->rules[rs_num].active.ptr, - newrule, entries); - else if (pcr->action == PF_CHANGE_ADD_HEAD || - pcr->action == PF_CHANGE_ADD_BEFORE) - TAILQ_INSERT_BEFORE(oldrule, newrule, entries); - else - TAILQ_INSERT_AFTER( - ruleset->rules[rs_num].active.ptr, - oldrule, newrule, entries); - ruleset->rules[rs_num].active.rcount++; - } - - nr = 0; - TAILQ_FOREACH(oldrule, - ruleset->rules[rs_num].active.ptr, entries) - oldrule->nr = nr++; - - ruleset->rules[rs_num].active.ticket++; - - pf_calc_skip_steps(ruleset->rules[rs_num].active.ptr); - pf_remove_if_empty_ruleset(ruleset); - - break; - } - - case DIOCCLRSTATES: { - struct pf_state *s, *nexts; - struct pfioc_state_kill *psk = (struct pfioc_state_kill *)addr; - u_int killed = 0; - -#ifdef __FreeBSD__ - for (s = RB_MIN(pf_state_tree_id, &V_tree_id); s; s = nexts) { - nexts = RB_NEXT(pf_state_tree_id, &V_tree_id, s); -#else - for (s = RB_MIN(pf_state_tree_id, &tree_id); s; s = nexts) { - nexts = RB_NEXT(pf_state_tree_id, &tree_id, s); -#endif - - if (!psk->psk_ifname[0] || !strcmp(psk->psk_ifname, - s->kif->pfik_name)) { -#if NPFSYNC > 0 - /* don't send out individual delete messages */ - SET(s->state_flags, PFSTATE_NOSYNC); -#endif - pf_unlink_state(s); - killed++; - } - } - psk->psk_killed = killed; -#if NPFSYNC > 0 -#ifdef __FreeBSD__ - if (pfsync_clear_states_ptr != NULL) - pfsync_clear_states_ptr(V_pf_status.hostid, psk->psk_ifname); -#else - pfsync_clear_states(pf_status.hostid, psk->psk_ifname); -#endif -#endif - break; - } - - case DIOCKILLSTATES: { - struct pf_state *s, *nexts; - struct pf_state_key *sk; - struct pf_addr *srcaddr, *dstaddr; - u_int16_t srcport, dstport; - struct pfioc_state_kill *psk = (struct pfioc_state_kill *)addr; - u_int killed = 0; - - if (psk->psk_pfcmp.id) { - if (psk->psk_pfcmp.creatorid == 0) -#ifdef __FreeBSD__ - psk->psk_pfcmp.creatorid = V_pf_status.hostid; -#else - psk->psk_pfcmp.creatorid = pf_status.hostid; -#endif - if ((s = pf_find_state_byid(&psk->psk_pfcmp))) { - pf_unlink_state(s); - psk->psk_killed = 1; - } - break; - } - -#ifdef __FreeBSD__ - for (s = RB_MIN(pf_state_tree_id, &V_tree_id); s; - s = nexts) { - nexts = RB_NEXT(pf_state_tree_id, &V_tree_id, s); -#else - for (s = RB_MIN(pf_state_tree_id, &tree_id); s; - s = nexts) { - nexts = RB_NEXT(pf_state_tree_id, &tree_id, s); -#endif - sk = s->key[PF_SK_WIRE]; - - if (s->direction == PF_OUT) { - srcaddr = &sk->addr[1]; - dstaddr = &sk->addr[0]; - srcport = sk->port[0]; - dstport = sk->port[0]; - } else { - srcaddr = &sk->addr[0]; - dstaddr = &sk->addr[1]; - srcport = sk->port[0]; - dstport = sk->port[0]; - } - if ((!psk->psk_af || sk->af == psk->psk_af) - && (!psk->psk_proto || psk->psk_proto == - sk->proto) && - PF_MATCHA(psk->psk_src.neg, - &psk->psk_src.addr.v.a.addr, - &psk->psk_src.addr.v.a.mask, - srcaddr, sk->af) && - PF_MATCHA(psk->psk_dst.neg, - &psk->psk_dst.addr.v.a.addr, - &psk->psk_dst.addr.v.a.mask, - dstaddr, sk->af) && - (psk->psk_src.port_op == 0 || - pf_match_port(psk->psk_src.port_op, - psk->psk_src.port[0], psk->psk_src.port[1], - srcport)) && - (psk->psk_dst.port_op == 0 || - pf_match_port(psk->psk_dst.port_op, - psk->psk_dst.port[0], psk->psk_dst.port[1], - dstport)) && - (!psk->psk_label[0] || (s->rule.ptr->label[0] && - !strcmp(psk->psk_label, s->rule.ptr->label))) && - (!psk->psk_ifname[0] || !strcmp(psk->psk_ifname, - s->kif->pfik_name))) { - pf_unlink_state(s); - killed++; - } - } - psk->psk_killed = killed; - break; - } - - case DIOCADDSTATE: { - struct pfioc_state *ps = (struct pfioc_state *)addr; - struct pfsync_state *sp = &ps->state; - - if (sp->timeout >= PFTM_MAX && - sp->timeout != PFTM_UNTIL_PACKET) { - error = EINVAL; - break; - } -#ifdef __FreeBSD__ - if (pfsync_state_import_ptr != NULL) - error = pfsync_state_import_ptr(sp, PFSYNC_SI_IOCTL); -#else - error = pfsync_state_import(sp, PFSYNC_SI_IOCTL); -#endif - break; - } - - case DIOCGETSTATE: { - struct pfioc_state *ps = (struct pfioc_state *)addr; - struct pf_state *s; - struct pf_state_cmp id_key; - - bcopy(ps->state.id, &id_key.id, sizeof(id_key.id)); - id_key.creatorid = ps->state.creatorid; - - s = pf_find_state_byid(&id_key); - if (s == NULL) { - error = ENOENT; - break; - } - - pfsync_state_export(&ps->state, s); - break; - } - - case DIOCGETSTATES: { - struct pfioc_states *ps = (struct pfioc_states *)addr; - struct pf_state *state; - struct pfsync_state *p, *pstore; - u_int32_t nr = 0; - - if (ps->ps_len == 0) { -#ifdef __FreeBSD__ - nr = V_pf_status.states; -#else - nr = pf_status.states; -#endif - ps->ps_len = sizeof(struct pfsync_state) * nr; - break; - } - -#ifdef __FreeBSD__ - PF_UNLOCK(); -#endif - pstore = malloc(sizeof(*pstore), M_TEMP, M_WAITOK); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - - p = ps->ps_states; - -#ifdef __FreeBSD__ - state = TAILQ_FIRST(&V_state_list); -#else - state = TAILQ_FIRST(&state_list); -#endif - while (state) { - if (state->timeout != PFTM_UNLINKED) { - if ((nr+1) * sizeof(*p) > (unsigned)ps->ps_len) - break; - pfsync_state_export(pstore, state); -#ifdef __FreeBSD__ - PF_COPYOUT(pstore, p, sizeof(*p), error); -#else - error = copyout(pstore, p, sizeof(*p)); -#endif - if (error) { - free(pstore, M_TEMP); - goto fail; - } - p++; - nr++; - } - state = TAILQ_NEXT(state, entry_list); - } - - ps->ps_len = sizeof(struct pfsync_state) * nr; - - free(pstore, M_TEMP); - break; - } - - case DIOCGETSTATUS: { - struct pf_status *s = (struct pf_status *)addr; -#ifdef __FreeBSD__ - bcopy(&V_pf_status, s, sizeof(struct pf_status)); -#else - bcopy(&pf_status, s, sizeof(struct pf_status)); -#endif - pfi_update_status(s->ifname, s); - break; - } - - case DIOCSETSTATUSIF: { - struct pfioc_if *pi = (struct pfioc_if *)addr; - - if (pi->ifname[0] == 0) { -#ifdef __FreeBSD__ - bzero(V_pf_status.ifname, IFNAMSIZ); -#else - bzero(pf_status.ifname, IFNAMSIZ); -#endif - break; - } -#ifdef __FreeBSD__ - strlcpy(V_pf_status.ifname, pi->ifname, IFNAMSIZ); -#else - strlcpy(pf_status.ifname, pi->ifname, IFNAMSIZ); -#endif - break; - } - - case DIOCCLRSTATUS: { -#ifdef __FreeBSD__ - bzero(V_pf_status.counters, sizeof(V_pf_status.counters)); - bzero(V_pf_status.fcounters, sizeof(V_pf_status.fcounters)); - bzero(V_pf_status.scounters, sizeof(V_pf_status.scounters)); - V_pf_status.since = time_second; - if (*V_pf_status.ifname) - pfi_update_status(V_pf_status.ifname, NULL); -#else - bzero(pf_status.counters, sizeof(pf_status.counters)); - bzero(pf_status.fcounters, sizeof(pf_status.fcounters)); - bzero(pf_status.scounters, sizeof(pf_status.scounters)); - pf_status.since = time_second; - if (*pf_status.ifname) - pfi_update_status(pf_status.ifname, NULL); -#endif - break; - } - - case DIOCNATLOOK: { - struct pfioc_natlook *pnl = (struct pfioc_natlook *)addr; - struct pf_state_key *sk; - struct pf_state *state; - struct pf_state_key_cmp key; - int m = 0, direction = pnl->direction; - int sidx, didx; - - /* NATLOOK src and dst are reversed, so reverse sidx/didx */ - sidx = (direction == PF_IN) ? 1 : 0; - didx = (direction == PF_IN) ? 0 : 1; - - if (!pnl->proto || - PF_AZERO(&pnl->saddr, pnl->af) || - PF_AZERO(&pnl->daddr, pnl->af) || - ((pnl->proto == IPPROTO_TCP || - pnl->proto == IPPROTO_UDP) && - (!pnl->dport || !pnl->sport))) - error = EINVAL; - else { - key.af = pnl->af; - key.proto = pnl->proto; - PF_ACPY(&key.addr[sidx], &pnl->saddr, pnl->af); - key.port[sidx] = pnl->sport; - PF_ACPY(&key.addr[didx], &pnl->daddr, pnl->af); - key.port[didx] = pnl->dport; - - state = pf_find_state_all(&key, direction, &m); - - if (m > 1) - error = E2BIG; /* more than one state */ - else if (state != NULL) { - sk = state->key[sidx]; - PF_ACPY(&pnl->rsaddr, &sk->addr[sidx], sk->af); - pnl->rsport = sk->port[sidx]; - PF_ACPY(&pnl->rdaddr, &sk->addr[didx], sk->af); - pnl->rdport = sk->port[didx]; - } else - error = ENOENT; - } - break; - } - - case DIOCSETTIMEOUT: { - struct pfioc_tm *pt = (struct pfioc_tm *)addr; - int old; - - if (pt->timeout < 0 || pt->timeout >= PFTM_MAX || - pt->seconds < 0) { - error = EINVAL; - goto fail; - } -#ifdef __FreeBSD__ - old = V_pf_default_rule.timeout[pt->timeout]; -#else - old = pf_default_rule.timeout[pt->timeout]; -#endif - if (pt->timeout == PFTM_INTERVAL && pt->seconds == 0) - pt->seconds = 1; -#ifdef __FreeBSD__ - V_pf_default_rule.timeout[pt->timeout] = pt->seconds; -#else - pf_default_rule.timeout[pt->timeout] = pt->seconds; -#endif - if (pt->timeout == PFTM_INTERVAL && pt->seconds < old) - wakeup(pf_purge_thread); - pt->seconds = old; - break; - } - - case DIOCGETTIMEOUT: { - struct pfioc_tm *pt = (struct pfioc_tm *)addr; - - if (pt->timeout < 0 || pt->timeout >= PFTM_MAX) { - error = EINVAL; - goto fail; - } -#ifdef __FreeBSD__ - pt->seconds = V_pf_default_rule.timeout[pt->timeout]; -#else - pt->seconds = pf_default_rule.timeout[pt->timeout]; -#endif - break; - } - - case DIOCGETLIMIT: { - struct pfioc_limit *pl = (struct pfioc_limit *)addr; - - if (pl->index < 0 || pl->index >= PF_LIMIT_MAX) { - error = EINVAL; - goto fail; - } -#ifdef __FreeBSD__ - pl->limit = V_pf_pool_limits[pl->index].limit; -#else - pl->limit = pf_pool_limits[pl->index].limit; -#endif - break; - } - - case DIOCSETLIMIT: { - struct pfioc_limit *pl = (struct pfioc_limit *)addr; - int old_limit; - - if (pl->index < 0 || pl->index >= PF_LIMIT_MAX || -#ifdef __FreeBSD__ - V_pf_pool_limits[pl->index].pp == NULL) { -#else - pf_pool_limits[pl->index].pp == NULL) { -#endif - error = EINVAL; - goto fail; - } -#ifdef __FreeBSD__ - uma_zone_set_max(V_pf_pool_limits[pl->index].pp, pl->limit); - old_limit = V_pf_pool_limits[pl->index].limit; - V_pf_pool_limits[pl->index].limit = pl->limit; - pl->limit = old_limit; -#else - if (pool_sethardlimit(pf_pool_limits[pl->index].pp, - pl->limit, NULL, 0) != 0) { - error = EBUSY; - goto fail; - } - old_limit = pf_pool_limits[pl->index].limit; - pf_pool_limits[pl->index].limit = pl->limit; - pl->limit = old_limit; -#endif - break; - } - - case DIOCSETDEBUG: { - u_int32_t *level = (u_int32_t *)addr; - -#ifdef __FreeBSD__ - V_pf_status.debug = *level; -#else - pf_status.debug = *level; -#endif - break; - } - - case DIOCCLRRULECTRS: { - /* obsoleted by DIOCGETRULE with action=PF_GET_CLR_CNTR */ - struct pf_ruleset *ruleset = &pf_main_ruleset; - struct pf_rule *rule; - - TAILQ_FOREACH(rule, - ruleset->rules[PF_RULESET_FILTER].active.ptr, entries) { - rule->evaluations = 0; - rule->packets[0] = rule->packets[1] = 0; - rule->bytes[0] = rule->bytes[1] = 0; - } - break; - } - -#ifdef __FreeBSD__ - case DIOCGIFSPEED: { - struct pf_ifspeed *psp = (struct pf_ifspeed *)addr; - struct pf_ifspeed ps; - struct ifnet *ifp; - - if (psp->ifname[0] != 0) { - /* Can we completely trust user-land? */ - strlcpy(ps.ifname, psp->ifname, IFNAMSIZ); - ifp = ifunit(ps.ifname); - if (ifp != NULL) - psp->baudrate = ifp->if_baudrate; - else - error = EINVAL; - } else - error = EINVAL; - break; - } -#endif /* __FreeBSD__ */ - -#ifdef ALTQ - case DIOCSTARTALTQ: { - struct pf_altq *altq; - - /* enable all altq interfaces on active list */ -#ifdef __FreeBSD__ - TAILQ_FOREACH(altq, V_pf_altqs_active, entries) { - if (altq->qname[0] == 0 && (altq->local_flags & - PFALTQ_FLAG_IF_REMOVED) == 0) { -#else - TAILQ_FOREACH(altq, pf_altqs_active, entries) { - if (altq->qname[0] == 0) { -#endif - error = pf_enable_altq(altq); - if (error != 0) - break; - } - } - if (error == 0) -#ifdef __FreeBSD__ - V_pf_altq_running = 1; -#else - pf_altq_running = 1; -#endif - DPFPRINTF(PF_DEBUG_MISC, ("altq: started\n")); - break; - } - - case DIOCSTOPALTQ: { - struct pf_altq *altq; - - /* disable all altq interfaces on active list */ -#ifdef __FreeBSD__ - TAILQ_FOREACH(altq, V_pf_altqs_active, entries) { - if (altq->qname[0] == 0 && (altq->local_flags & - PFALTQ_FLAG_IF_REMOVED) == 0) { -#else - TAILQ_FOREACH(altq, pf_altqs_active, entries) { - if (altq->qname[0] == 0) { -#endif - error = pf_disable_altq(altq); - if (error != 0) - break; - } - } - if (error == 0) -#ifdef __FreeBSD__ - V_pf_altq_running = 0; -#else - pf_altq_running = 0; -#endif - DPFPRINTF(PF_DEBUG_MISC, ("altq: stopped\n")); - break; - } - - case DIOCADDALTQ: { - struct pfioc_altq *pa = (struct pfioc_altq *)addr; - struct pf_altq *altq, *a; - -#ifdef __FreeBSD__ - if (pa->ticket != V_ticket_altqs_inactive) { -#else - if (pa->ticket != ticket_altqs_inactive) { -#endif - error = EBUSY; - break; - } -#ifdef __FreeBSD__ - altq = pool_get(&V_pf_altq_pl, PR_NOWAIT); -#else - altq = pool_get(&pf_altq_pl, PR_WAITOK|PR_LIMITFAIL); -#endif - if (altq == NULL) { - error = ENOMEM; - break; - } - bcopy(&pa->altq, altq, sizeof(struct pf_altq)); -#ifdef __FreeBSD__ - altq->local_flags = 0; -#endif - - /* - * if this is for a queue, find the discipline and - * copy the necessary fields - */ - if (altq->qname[0] != 0) { - if ((altq->qid = pf_qname2qid(altq->qname)) == 0) { - error = EBUSY; -#ifdef __FreeBSD__ - pool_put(&V_pf_altq_pl, altq); -#else - pool_put(&pf_altq_pl, altq); -#endif - break; - } - altq->altq_disc = NULL; -#ifdef __FreeBSD__ - TAILQ_FOREACH(a, V_pf_altqs_inactive, entries) { -#else - TAILQ_FOREACH(a, pf_altqs_inactive, entries) { -#endif - if (strncmp(a->ifname, altq->ifname, - IFNAMSIZ) == 0 && a->qname[0] == 0) { - altq->altq_disc = a->altq_disc; - break; - } - } - } - -#ifdef __FreeBSD__ - struct ifnet *ifp; - - if ((ifp = ifunit(altq->ifname)) == NULL) { - altq->local_flags |= PFALTQ_FLAG_IF_REMOVED; - } else { - PF_UNLOCK(); -#endif - error = altq_add(altq); -#ifdef __FreeBSD__ - PF_LOCK(); - } -#endif - if (error) { -#ifdef __FreeBSD__ - pool_put(&V_pf_altq_pl, altq); -#else - pool_put(&pf_altq_pl, altq); -#endif - break; - } - -#ifdef __FreeBSD__ - TAILQ_INSERT_TAIL(V_pf_altqs_inactive, altq, entries); -#else - TAILQ_INSERT_TAIL(pf_altqs_inactive, altq, entries); -#endif - bcopy(altq, &pa->altq, sizeof(struct pf_altq)); - break; - } - - case DIOCGETALTQS: { - struct pfioc_altq *pa = (struct pfioc_altq *)addr; - struct pf_altq *altq; - - pa->nr = 0; -#ifdef __FreeBSD__ - TAILQ_FOREACH(altq, V_pf_altqs_active, entries) - pa->nr++; - pa->ticket = V_ticket_altqs_active; -#else - TAILQ_FOREACH(altq, pf_altqs_active, entries) - pa->nr++; - pa->ticket = ticket_altqs_active; -#endif - break; - } - - case DIOCGETALTQ: { - struct pfioc_altq *pa = (struct pfioc_altq *)addr; - struct pf_altq *altq; - u_int32_t nr; - -#ifdef __FreeBSD__ - if (pa->ticket != V_ticket_altqs_active) { -#else - if (pa->ticket != ticket_altqs_active) { -#endif - error = EBUSY; - break; - } - nr = 0; -#ifdef __FreeBSD__ - altq = TAILQ_FIRST(V_pf_altqs_active); -#else - altq = TAILQ_FIRST(pf_altqs_active); -#endif - while ((altq != NULL) && (nr < pa->nr)) { - altq = TAILQ_NEXT(altq, entries); - nr++; - } - if (altq == NULL) { - error = EBUSY; - break; - } - bcopy(altq, &pa->altq, sizeof(struct pf_altq)); - break; - } - - case DIOCCHANGEALTQ: - /* CHANGEALTQ not supported yet! */ - error = ENODEV; - break; - - case DIOCGETQSTATS: { - struct pfioc_qstats *pq = (struct pfioc_qstats *)addr; - struct pf_altq *altq; - u_int32_t nr; - int nbytes; - -#ifdef __FreeBSD__ - if (pq->ticket != V_ticket_altqs_active) { -#else - if (pq->ticket != ticket_altqs_active) { -#endif - error = EBUSY; - break; - } - nbytes = pq->nbytes; - nr = 0; -#ifdef __FreeBSD__ - altq = TAILQ_FIRST(V_pf_altqs_active); -#else - altq = TAILQ_FIRST(pf_altqs_active); -#endif - while ((altq != NULL) && (nr < pq->nr)) { - altq = TAILQ_NEXT(altq, entries); - nr++; - } - if (altq == NULL) { - error = EBUSY; - break; - } - -#ifdef __FreeBSD__ - if ((altq->local_flags & PFALTQ_FLAG_IF_REMOVED) != 0) { - error = ENXIO; - break; - } - PF_UNLOCK(); -#endif - error = altq_getqstats(altq, pq->buf, &nbytes); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - if (error == 0) { - pq->scheduler = altq->scheduler; - pq->nbytes = nbytes; - } - break; - } -#endif /* ALTQ */ - - case DIOCBEGINADDRS: { - struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr; - -#ifdef __FreeBSD__ - pf_empty_pool(&V_pf_pabuf); - pp->ticket = ++V_ticket_pabuf; -#else - pf_empty_pool(&pf_pabuf); - pp->ticket = ++ticket_pabuf; -#endif - break; - } - - case DIOCADDADDR: { - struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr; - -#ifdef __FreeBSD__ - if (pp->ticket != V_ticket_pabuf) { -#else - if (pp->ticket != ticket_pabuf) { -#endif - error = EBUSY; - break; - } -#ifndef INET - if (pp->af == AF_INET) { - error = EAFNOSUPPORT; - break; - } -#endif /* INET */ -#ifndef INET6 - if (pp->af == AF_INET6) { - error = EAFNOSUPPORT; - break; - } -#endif /* INET6 */ - if (pp->addr.addr.type != PF_ADDR_ADDRMASK && - pp->addr.addr.type != PF_ADDR_DYNIFTL && - pp->addr.addr.type != PF_ADDR_TABLE) { - error = EINVAL; - break; - } -#ifdef __FreeBSD__ - pa = pool_get(&V_pf_pooladdr_pl, PR_NOWAIT); -#else - pa = pool_get(&pf_pooladdr_pl, PR_WAITOK|PR_LIMITFAIL); -#endif - if (pa == NULL) { - error = ENOMEM; - break; - } - bcopy(&pp->addr, pa, sizeof(struct pf_pooladdr)); - if (pa->ifname[0]) { - pa->kif = pfi_kif_get(pa->ifname); - if (pa->kif == NULL) { -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, pa); -#else - pool_put(&pf_pooladdr_pl, pa); -#endif - error = EINVAL; - break; - } - pfi_kif_ref(pa->kif, PFI_KIF_REF_RULE); - } - if (pfi_dynaddr_setup(&pa->addr, pp->af)) { - pfi_dynaddr_remove(&pa->addr); - pfi_kif_unref(pa->kif, PFI_KIF_REF_RULE); -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, pa); -#else - pool_put(&pf_pooladdr_pl, pa); -#endif - error = EINVAL; - break; - } -#ifdef __FreeBSD__ - TAILQ_INSERT_TAIL(&V_pf_pabuf, pa, entries); -#else - TAILQ_INSERT_TAIL(&pf_pabuf, pa, entries); -#endif - break; - } - - case DIOCGETADDRS: { - struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr; - - pp->nr = 0; - pool = pf_get_pool(pp->anchor, pp->ticket, pp->r_action, - pp->r_num, 0, 1, 0); - if (pool == NULL) { - error = EBUSY; - break; - } - TAILQ_FOREACH(pa, &pool->list, entries) - pp->nr++; - break; - } - - case DIOCGETADDR: { - struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr; - u_int32_t nr = 0; - - pool = pf_get_pool(pp->anchor, pp->ticket, pp->r_action, - pp->r_num, 0, 1, 1); - if (pool == NULL) { - error = EBUSY; - break; - } - pa = TAILQ_FIRST(&pool->list); - while ((pa != NULL) && (nr < pp->nr)) { - pa = TAILQ_NEXT(pa, entries); - nr++; - } - if (pa == NULL) { - error = EBUSY; - break; - } - bcopy(pa, &pp->addr, sizeof(struct pf_pooladdr)); - pf_addr_copyout(&pp->addr.addr); - break; - } - - case DIOCCHANGEADDR: { - struct pfioc_pooladdr *pca = (struct pfioc_pooladdr *)addr; - struct pf_pooladdr *oldpa = NULL, *newpa = NULL; - struct pf_ruleset *ruleset; - - if (pca->action < PF_CHANGE_ADD_HEAD || - pca->action > PF_CHANGE_REMOVE) { - error = EINVAL; - break; - } - if (pca->addr.addr.type != PF_ADDR_ADDRMASK && - pca->addr.addr.type != PF_ADDR_DYNIFTL && - pca->addr.addr.type != PF_ADDR_TABLE) { - error = EINVAL; - break; - } - - ruleset = pf_find_ruleset(pca->anchor); - if (ruleset == NULL) { - error = EBUSY; - break; - } - pool = pf_get_pool(pca->anchor, pca->ticket, pca->r_action, - pca->r_num, pca->r_last, 1, 1); - if (pool == NULL) { - error = EBUSY; - break; - } - if (pca->action != PF_CHANGE_REMOVE) { -#ifdef __FreeBSD__ - newpa = pool_get(&V_pf_pooladdr_pl, - PR_NOWAIT); -#else - newpa = pool_get(&pf_pooladdr_pl, - PR_WAITOK|PR_LIMITFAIL); -#endif - if (newpa == NULL) { - error = ENOMEM; - break; - } - bcopy(&pca->addr, newpa, sizeof(struct pf_pooladdr)); -#ifndef INET - if (pca->af == AF_INET) { -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, newpa); -#else - pool_put(&pf_pooladdr_pl, newpa); -#endif - error = EAFNOSUPPORT; - break; - } -#endif /* INET */ -#ifndef INET6 - if (pca->af == AF_INET6) { -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, newpa); -#else - pool_put(&pf_pooladdr_pl, newpa); -#endif - error = EAFNOSUPPORT; - break; - } -#endif /* INET6 */ - if (newpa->ifname[0]) { - newpa->kif = pfi_kif_get(newpa->ifname); - if (newpa->kif == NULL) { -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, newpa); -#else - pool_put(&pf_pooladdr_pl, newpa); -#endif - error = EINVAL; - break; - } - pfi_kif_ref(newpa->kif, PFI_KIF_REF_RULE); - } else - newpa->kif = NULL; - if (pfi_dynaddr_setup(&newpa->addr, pca->af) || - pf_tbladdr_setup(ruleset, &newpa->addr)) { - pfi_dynaddr_remove(&newpa->addr); - pfi_kif_unref(newpa->kif, PFI_KIF_REF_RULE); -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, newpa); -#else - pool_put(&pf_pooladdr_pl, newpa); -#endif - error = EINVAL; - break; - } - } - - if (pca->action == PF_CHANGE_ADD_HEAD) - oldpa = TAILQ_FIRST(&pool->list); - else if (pca->action == PF_CHANGE_ADD_TAIL) - oldpa = TAILQ_LAST(&pool->list, pf_palist); - else { - int i = 0; - - oldpa = TAILQ_FIRST(&pool->list); - while ((oldpa != NULL) && (i < pca->nr)) { - oldpa = TAILQ_NEXT(oldpa, entries); - i++; - } - if (oldpa == NULL) { - error = EINVAL; - break; - } - } - - if (pca->action == PF_CHANGE_REMOVE) { - TAILQ_REMOVE(&pool->list, oldpa, entries); - pfi_dynaddr_remove(&oldpa->addr); - pf_tbladdr_remove(&oldpa->addr); - pfi_kif_unref(oldpa->kif, PFI_KIF_REF_RULE); -#ifdef __FreeBSD__ - pool_put(&V_pf_pooladdr_pl, oldpa); -#else - pool_put(&pf_pooladdr_pl, oldpa); -#endif - } else { - if (oldpa == NULL) - TAILQ_INSERT_TAIL(&pool->list, newpa, entries); - else if (pca->action == PF_CHANGE_ADD_HEAD || - pca->action == PF_CHANGE_ADD_BEFORE) - TAILQ_INSERT_BEFORE(oldpa, newpa, entries); - else - TAILQ_INSERT_AFTER(&pool->list, oldpa, - newpa, entries); - } - - pool->cur = TAILQ_FIRST(&pool->list); - PF_ACPY(&pool->counter, &pool->cur->addr.v.a.addr, - pca->af); - break; - } - - case DIOCGETRULESETS: { - struct pfioc_ruleset *pr = (struct pfioc_ruleset *)addr; - struct pf_ruleset *ruleset; - struct pf_anchor *anchor; - - pr->path[sizeof(pr->path) - 1] = 0; - if ((ruleset = pf_find_ruleset(pr->path)) == NULL) { - error = EINVAL; - break; - } - pr->nr = 0; - if (ruleset->anchor == NULL) { - /* XXX kludge for pf_main_ruleset */ -#ifdef __FreeBSD__ - RB_FOREACH(anchor, pf_anchor_global, &V_pf_anchors) -#else - RB_FOREACH(anchor, pf_anchor_global, &pf_anchors) -#endif - if (anchor->parent == NULL) - pr->nr++; - } else { - RB_FOREACH(anchor, pf_anchor_node, - &ruleset->anchor->children) - pr->nr++; - } - break; - } - - case DIOCGETRULESET: { - struct pfioc_ruleset *pr = (struct pfioc_ruleset *)addr; - struct pf_ruleset *ruleset; - struct pf_anchor *anchor; - u_int32_t nr = 0; - - pr->path[sizeof(pr->path) - 1] = 0; - if ((ruleset = pf_find_ruleset(pr->path)) == NULL) { - error = EINVAL; - break; - } - pr->name[0] = 0; - if (ruleset->anchor == NULL) { - /* XXX kludge for pf_main_ruleset */ -#ifdef __FreeBSD__ - RB_FOREACH(anchor, pf_anchor_global, &V_pf_anchors) -#else - RB_FOREACH(anchor, pf_anchor_global, &pf_anchors) -#endif - if (anchor->parent == NULL && nr++ == pr->nr) { - strlcpy(pr->name, anchor->name, - sizeof(pr->name)); - break; - } - } else { - RB_FOREACH(anchor, pf_anchor_node, - &ruleset->anchor->children) - if (nr++ == pr->nr) { - strlcpy(pr->name, anchor->name, - sizeof(pr->name)); - break; - } - } - if (!pr->name[0]) - error = EBUSY; - break; - } - - case DIOCRCLRTABLES: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != 0) { - error = ENODEV; - break; - } - error = pfr_clr_tables(&io->pfrio_table, &io->pfrio_ndel, - io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRADDTABLES: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_table)) { - error = ENODEV; - break; - } - error = pfr_add_tables(io->pfrio_buffer, io->pfrio_size, - &io->pfrio_nadd, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRDELTABLES: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_table)) { - error = ENODEV; - break; - } - error = pfr_del_tables(io->pfrio_buffer, io->pfrio_size, - &io->pfrio_ndel, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRGETTABLES: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_table)) { - error = ENODEV; - break; - } - error = pfr_get_tables(&io->pfrio_table, io->pfrio_buffer, - &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRGETTSTATS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_tstats)) { - error = ENODEV; - break; - } - error = pfr_get_tstats(&io->pfrio_table, io->pfrio_buffer, - &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRCLRTSTATS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_table)) { - error = ENODEV; - break; - } - error = pfr_clr_tstats(io->pfrio_buffer, io->pfrio_size, - &io->pfrio_nzero, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRSETTFLAGS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_table)) { - error = ENODEV; - break; - } - error = pfr_set_tflags(io->pfrio_buffer, io->pfrio_size, - io->pfrio_setflag, io->pfrio_clrflag, &io->pfrio_nchange, - &io->pfrio_ndel, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRCLRADDRS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != 0) { - error = ENODEV; - break; - } - error = pfr_clr_addrs(&io->pfrio_table, &io->pfrio_ndel, - io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRADDADDRS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_addr)) { - error = ENODEV; - break; - } - error = pfr_add_addrs(&io->pfrio_table, io->pfrio_buffer, - io->pfrio_size, &io->pfrio_nadd, io->pfrio_flags | - PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRDELADDRS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_addr)) { - error = ENODEV; - break; - } - error = pfr_del_addrs(&io->pfrio_table, io->pfrio_buffer, - io->pfrio_size, &io->pfrio_ndel, io->pfrio_flags | - PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRSETADDRS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_addr)) { - error = ENODEV; - break; - } - error = pfr_set_addrs(&io->pfrio_table, io->pfrio_buffer, - io->pfrio_size, &io->pfrio_size2, &io->pfrio_nadd, - &io->pfrio_ndel, &io->pfrio_nchange, io->pfrio_flags | - PFR_FLAG_USERIOCTL, 0); - break; - } - - case DIOCRGETADDRS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_addr)) { - error = ENODEV; - break; - } - error = pfr_get_addrs(&io->pfrio_table, io->pfrio_buffer, - &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRGETASTATS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_astats)) { - error = ENODEV; - break; - } - error = pfr_get_astats(&io->pfrio_table, io->pfrio_buffer, - &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRCLRASTATS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_addr)) { - error = ENODEV; - break; - } - error = pfr_clr_astats(&io->pfrio_table, io->pfrio_buffer, - io->pfrio_size, &io->pfrio_nzero, io->pfrio_flags | - PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRTSTADDRS: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_addr)) { - error = ENODEV; - break; - } - error = pfr_tst_addrs(&io->pfrio_table, io->pfrio_buffer, - io->pfrio_size, &io->pfrio_nmatch, io->pfrio_flags | - PFR_FLAG_USERIOCTL); - break; - } - - case DIOCRINADEFINE: { - struct pfioc_table *io = (struct pfioc_table *)addr; - - if (io->pfrio_esize != sizeof(struct pfr_addr)) { - error = ENODEV; - break; - } - error = pfr_ina_define(&io->pfrio_table, io->pfrio_buffer, - io->pfrio_size, &io->pfrio_nadd, &io->pfrio_naddr, - io->pfrio_ticket, io->pfrio_flags | PFR_FLAG_USERIOCTL); - break; - } - - case DIOCOSFPADD: { - struct pf_osfp_ioctl *io = (struct pf_osfp_ioctl *)addr; - error = pf_osfp_add(io); - break; - } - - case DIOCOSFPGET: { - struct pf_osfp_ioctl *io = (struct pf_osfp_ioctl *)addr; - error = pf_osfp_get(io); - break; - } - - case DIOCXBEGIN: { - struct pfioc_trans *io = (struct pfioc_trans *)addr; - struct pfioc_trans_e *ioe; - struct pfr_table *table; - int i; - - if (io->esize != sizeof(*ioe)) { - error = ENODEV; - goto fail; - } -#ifdef __FreeBSD__ - PF_UNLOCK(); -#endif - ioe = malloc(sizeof(*ioe), M_TEMP, M_WAITOK); - table = malloc(sizeof(*table), M_TEMP, M_WAITOK); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - for (i = 0; i < io->size; i++) { -#ifdef __FreeBSD__ - PF_COPYIN(io->array+i, ioe, sizeof(*ioe), error); - if (error) { -#else - if (copyin(io->array+i, ioe, sizeof(*ioe))) { -#endif - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EFAULT; - goto fail; - } - switch (ioe->rs_num) { -#ifdef ALTQ - case PF_RULESET_ALTQ: - if (ioe->anchor[0]) { - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EINVAL; - goto fail; - } - if ((error = pf_begin_altq(&ioe->ticket))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; - } - break; -#endif /* ALTQ */ - case PF_RULESET_TABLE: - bzero(table, sizeof(*table)); - strlcpy(table->pfrt_anchor, ioe->anchor, - sizeof(table->pfrt_anchor)); - if ((error = pfr_ina_begin(table, - &ioe->ticket, NULL, 0))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; - } - break; - default: - if ((error = pf_begin_rules(&ioe->ticket, - ioe->rs_num, ioe->anchor))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; - } - break; - } -#ifdef __FreeBSD__ - PF_COPYOUT(ioe, io->array+i, sizeof(io->array[i]), - error); - if (error) { -#else - if (copyout(ioe, io->array+i, sizeof(io->array[i]))) { -#endif - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EFAULT; - goto fail; - } - } - free(table, M_TEMP); - free(ioe, M_TEMP); - break; - } - - case DIOCXROLLBACK: { - struct pfioc_trans *io = (struct pfioc_trans *)addr; - struct pfioc_trans_e *ioe; - struct pfr_table *table; - int i; - - if (io->esize != sizeof(*ioe)) { - error = ENODEV; - goto fail; - } -#ifdef __FreeBSD__ - PF_UNLOCK(); -#endif - ioe = malloc(sizeof(*ioe), M_TEMP, M_WAITOK); - table = malloc(sizeof(*table), M_TEMP, M_WAITOK); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - for (i = 0; i < io->size; i++) { -#ifdef __FreeBSD__ - PF_COPYIN(io->array+i, ioe, sizeof(*ioe), error); - if (error) { -#else - if (copyin(io->array+i, ioe, sizeof(*ioe))) { -#endif - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EFAULT; - goto fail; - } - switch (ioe->rs_num) { -#ifdef ALTQ - case PF_RULESET_ALTQ: - if (ioe->anchor[0]) { - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EINVAL; - goto fail; - } - if ((error = pf_rollback_altq(ioe->ticket))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; /* really bad */ - } - break; -#endif /* ALTQ */ - case PF_RULESET_TABLE: - bzero(table, sizeof(*table)); - strlcpy(table->pfrt_anchor, ioe->anchor, - sizeof(table->pfrt_anchor)); - if ((error = pfr_ina_rollback(table, - ioe->ticket, NULL, 0))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; /* really bad */ - } - break; - default: - if ((error = pf_rollback_rules(ioe->ticket, - ioe->rs_num, ioe->anchor))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; /* really bad */ - } - break; - } - } - free(table, M_TEMP); - free(ioe, M_TEMP); - break; - } - - case DIOCXCOMMIT: { - struct pfioc_trans *io = (struct pfioc_trans *)addr; - struct pfioc_trans_e *ioe; - struct pfr_table *table; - struct pf_ruleset *rs; - int i; - - if (io->esize != sizeof(*ioe)) { - error = ENODEV; - goto fail; - } -#ifdef __FreeBSD__ - PF_UNLOCK(); -#endif - ioe = malloc(sizeof(*ioe), M_TEMP, M_WAITOK); - table = malloc(sizeof(*table), M_TEMP, M_WAITOK); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - /* first makes sure everything will succeed */ - for (i = 0; i < io->size; i++) { -#ifdef __FreeBSD__ - PF_COPYIN(io->array+i, ioe, sizeof(*ioe), error); - if (error) { -#else - if (copyin(io->array+i, ioe, sizeof(*ioe))) { -#endif - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EFAULT; - goto fail; - } - switch (ioe->rs_num) { -#ifdef ALTQ - case PF_RULESET_ALTQ: - if (ioe->anchor[0]) { - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EINVAL; - goto fail; - } -#ifdef __FreeBSD__ - if (!V_altqs_inactive_open || ioe->ticket != - V_ticket_altqs_inactive) { -#else - if (!altqs_inactive_open || ioe->ticket != - ticket_altqs_inactive) { -#endif - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EBUSY; - goto fail; - } - break; -#endif /* ALTQ */ - case PF_RULESET_TABLE: - rs = pf_find_ruleset(ioe->anchor); - if (rs == NULL || !rs->topen || ioe->ticket != - rs->tticket) { - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EBUSY; - goto fail; - } - break; - default: - if (ioe->rs_num < 0 || ioe->rs_num >= - PF_RULESET_MAX) { - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EINVAL; - goto fail; - } - rs = pf_find_ruleset(ioe->anchor); - if (rs == NULL || - !rs->rules[ioe->rs_num].inactive.open || - rs->rules[ioe->rs_num].inactive.ticket != - ioe->ticket) { - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EBUSY; - goto fail; - } - break; - } - } - /* now do the commit - no errors should happen here */ - for (i = 0; i < io->size; i++) { -#ifdef __FreeBSD__ - PF_COPYIN(io->array+i, ioe, sizeof(*ioe), error); - if (error) { -#else - if (copyin(io->array+i, ioe, sizeof(*ioe))) { -#endif - free(table, M_TEMP); - free(ioe, M_TEMP); - error = EFAULT; - goto fail; - } - switch (ioe->rs_num) { -#ifdef ALTQ - case PF_RULESET_ALTQ: - if ((error = pf_commit_altq(ioe->ticket))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; /* really bad */ - } - break; -#endif /* ALTQ */ - case PF_RULESET_TABLE: - bzero(table, sizeof(*table)); - strlcpy(table->pfrt_anchor, ioe->anchor, - sizeof(table->pfrt_anchor)); - if ((error = pfr_ina_commit(table, ioe->ticket, - NULL, NULL, 0))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; /* really bad */ - } - break; - default: - if ((error = pf_commit_rules(ioe->ticket, - ioe->rs_num, ioe->anchor))) { - free(table, M_TEMP); - free(ioe, M_TEMP); - goto fail; /* really bad */ - } - break; - } - } - free(table, M_TEMP); - free(ioe, M_TEMP); - break; - } - - case DIOCGETSRCNODES: { - struct pfioc_src_nodes *psn = (struct pfioc_src_nodes *)addr; - struct pf_src_node *n, *p, *pstore; - u_int32_t nr = 0; - int space = psn->psn_len; - - if (space == 0) { -#ifdef __FreeBSD__ - RB_FOREACH(n, pf_src_tree, &V_tree_src_tracking) -#else - RB_FOREACH(n, pf_src_tree, &tree_src_tracking) -#endif - nr++; - psn->psn_len = sizeof(struct pf_src_node) * nr; - break; - } - -#ifdef __FreeBSD__ - PF_UNLOCK(); -#endif - pstore = malloc(sizeof(*pstore), M_TEMP, M_WAITOK); -#ifdef __FreeBSD__ - PF_LOCK(); -#endif - p = psn->psn_src_nodes; -#ifdef __FreeBSD__ - RB_FOREACH(n, pf_src_tree, &V_tree_src_tracking) { -#else - RB_FOREACH(n, pf_src_tree, &tree_src_tracking) { -#endif - int secs = time_second, diff; - - if ((nr + 1) * sizeof(*p) > (unsigned)psn->psn_len) - break; - - bcopy(n, pstore, sizeof(*pstore)); - if (n->rule.ptr != NULL) - pstore->rule.nr = n->rule.ptr->nr; - pstore->creation = secs - pstore->creation; - if (pstore->expire > secs) - pstore->expire -= secs; - else - pstore->expire = 0; - - /* adjust the connection rate estimate */ - diff = secs - n->conn_rate.last; - if (diff >= n->conn_rate.seconds) - pstore->conn_rate.count = 0; - else - pstore->conn_rate.count -= - n->conn_rate.count * diff / - n->conn_rate.seconds; - -#ifdef __FreeBSD__ - PF_COPYOUT(pstore, p, sizeof(*p), error); -#else - error = copyout(pstore, p, sizeof(*p)); -#endif - if (error) { - free(pstore, M_TEMP); - goto fail; - } - p++; - nr++; - } - psn->psn_len = sizeof(struct pf_src_node) * nr; - - free(pstore, M_TEMP); - break; - } - - case DIOCCLRSRCNODES: { - struct pf_src_node *n; - struct pf_state *state; - -#ifdef __FreeBSD__ - RB_FOREACH(state, pf_state_tree_id, &V_tree_id) { -#else - RB_FOREACH(state, pf_state_tree_id, &tree_id) { -#endif - state->src_node = NULL; - state->nat_src_node = NULL; - } -#ifdef __FreeBSD__ - RB_FOREACH(n, pf_src_tree, &V_tree_src_tracking) { -#else - RB_FOREACH(n, pf_src_tree, &tree_src_tracking) { -#endif - n->expire = 1; - n->states = 0; - } - pf_purge_expired_src_nodes(1); -#ifdef __FreeBSD__ - V_pf_status.src_nodes = 0; -#else - pf_status.src_nodes = 0; -#endif - break; - } - - case DIOCKILLSRCNODES: { - struct pf_src_node *sn; - struct pf_state *s; - struct pfioc_src_node_kill *psnk = - (struct pfioc_src_node_kill *)addr; - u_int killed = 0; - -#ifdef __FreeBSD__ - RB_FOREACH(sn, pf_src_tree, &V_tree_src_tracking) { -#else - RB_FOREACH(sn, pf_src_tree, &tree_src_tracking) { -#endif - if (PF_MATCHA(psnk->psnk_src.neg, - &psnk->psnk_src.addr.v.a.addr, - &psnk->psnk_src.addr.v.a.mask, - &sn->addr, sn->af) && - PF_MATCHA(psnk->psnk_dst.neg, - &psnk->psnk_dst.addr.v.a.addr, - &psnk->psnk_dst.addr.v.a.mask, - &sn->raddr, sn->af)) { - /* Handle state to src_node linkage */ - if (sn->states != 0) { - RB_FOREACH(s, pf_state_tree_id, -#ifdef __FreeBSD__ - &V_tree_id) { -#else - &tree_id) { -#endif - if (s->src_node == sn) - s->src_node = NULL; - if (s->nat_src_node == sn) - s->nat_src_node = NULL; - } - sn->states = 0; - } - sn->expire = 1; - killed++; - } - } - - if (killed > 0) - pf_purge_expired_src_nodes(1); - - psnk->psnk_killed = killed; - break; - } - - case DIOCSETHOSTID: { - u_int32_t *hostid = (u_int32_t *)addr; - -#ifdef __FreeBSD__ - if (*hostid == 0) - V_pf_status.hostid = arc4random(); - else - V_pf_status.hostid = *hostid; -#else - if (*hostid == 0) - pf_status.hostid = arc4random(); - else - pf_status.hostid = *hostid; -#endif - break; - } - - case DIOCOSFPFLUSH: - pf_osfp_flush(); - break; - - case DIOCIGETIFACES: { - struct pfioc_iface *io = (struct pfioc_iface *)addr; - - if (io->pfiio_esize != sizeof(struct pfi_kif)) { - error = ENODEV; - break; - } - error = pfi_get_ifaces(io->pfiio_name, io->pfiio_buffer, - &io->pfiio_size); - break; - } - - case DIOCSETIFFLAG: { - struct pfioc_iface *io = (struct pfioc_iface *)addr; - - error = pfi_set_flags(io->pfiio_name, io->pfiio_flags); - break; - } - - case DIOCCLRIFFLAG: { - struct pfioc_iface *io = (struct pfioc_iface *)addr; - - error = pfi_clear_flags(io->pfiio_name, io->pfiio_flags); - break; - } - - default: - error = ENODEV; - break; - } -fail: -#ifdef __FreeBSD__ - PF_UNLOCK(); - - if (flags & FWRITE) - sx_xunlock(&V_pf_consistency_lock); - else - sx_sunlock(&V_pf_consistency_lock); -#else - splx(s); - if (flags & FWRITE) - rw_exit_write(&pf_consistency_lock); - else - rw_exit_read(&pf_consistency_lock); -#endif - - CURVNET_RESTORE(); - - return (error); -} - -#ifdef __FreeBSD__ -void -pfsync_state_export(struct pfsync_state *sp, struct pf_state *st) -{ - bzero(sp, sizeof(struct pfsync_state)); - - /* copy from state key */ - sp->key[PF_SK_WIRE].addr[0] = st->key[PF_SK_WIRE]->addr[0]; - sp->key[PF_SK_WIRE].addr[1] = st->key[PF_SK_WIRE]->addr[1]; - sp->key[PF_SK_WIRE].port[0] = st->key[PF_SK_WIRE]->port[0]; - sp->key[PF_SK_WIRE].port[1] = st->key[PF_SK_WIRE]->port[1]; - sp->key[PF_SK_STACK].addr[0] = st->key[PF_SK_STACK]->addr[0]; - sp->key[PF_SK_STACK].addr[1] = st->key[PF_SK_STACK]->addr[1]; - sp->key[PF_SK_STACK].port[0] = st->key[PF_SK_STACK]->port[0]; - sp->key[PF_SK_STACK].port[1] = st->key[PF_SK_STACK]->port[1]; - sp->proto = st->key[PF_SK_WIRE]->proto; - sp->af = st->key[PF_SK_WIRE]->af; - - /* copy from state */ - strlcpy(sp->ifname, st->kif->pfik_name, sizeof(sp->ifname)); - bcopy(&st->rt_addr, &sp->rt_addr, sizeof(sp->rt_addr)); - sp->creation = htonl(time_second - st->creation); - sp->expire = pf_state_expires(st); - if (sp->expire <= time_second) - sp->expire = htonl(0); - else - sp->expire = htonl(sp->expire - time_second); - - sp->direction = st->direction; - sp->log = st->log; - sp->timeout = st->timeout; - sp->state_flags = st->state_flags; - if (st->src_node) - sp->sync_flags |= PFSYNC_FLAG_SRCNODE; - if (st->nat_src_node) - sp->sync_flags |= PFSYNC_FLAG_NATSRCNODE; - - bcopy(&st->id, &sp->id, sizeof(sp->id)); - sp->creatorid = st->creatorid; - pf_state_peer_hton(&st->src, &sp->src); - pf_state_peer_hton(&st->dst, &sp->dst); - - if (st->rule.ptr == NULL) - sp->rule = htonl(-1); - else - sp->rule = htonl(st->rule.ptr->nr); - if (st->anchor.ptr == NULL) - sp->anchor = htonl(-1); - else - sp->anchor = htonl(st->anchor.ptr->nr); - if (st->nat_rule.ptr == NULL) - sp->nat_rule = htonl(-1); - else - sp->nat_rule = htonl(st->nat_rule.ptr->nr); - - pf_state_counter_hton(st->packets[0], sp->packets[0]); - pf_state_counter_hton(st->packets[1], sp->packets[1]); - pf_state_counter_hton(st->bytes[0], sp->bytes[0]); - pf_state_counter_hton(st->bytes[1], sp->bytes[1]); - -} - -/* - * XXX - Check for version missmatch!!! - */ -static void -pf_clear_states(void) -{ - struct pf_state *state; - -#ifdef __FreeBSD__ - RB_FOREACH(state, pf_state_tree_id, &V_tree_id) { -#else - RB_FOREACH(state, pf_state_tree_id, &tree_id) { -#endif - state->timeout = PFTM_PURGE; -#if NPFSYNC - /* don't send out individual delete messages */ - state->sync_state = PFSTATE_NOSYNC; -#endif - pf_unlink_state(state); - } - -#if 0 /* NPFSYNC */ -/* - * XXX This is called on module unload, we do not want to sync that over? */ - */ - pfsync_clear_states(V_pf_status.hostid, psk->psk_ifname); -#endif -} - -static int -pf_clear_tables(void) -{ - struct pfioc_table io; - int error; - - bzero(&io, sizeof(io)); - - error = pfr_clr_tables(&io.pfrio_table, &io.pfrio_ndel, - io.pfrio_flags); - - return (error); -} - -static void -pf_clear_srcnodes(void) -{ - struct pf_src_node *n; - struct pf_state *state; - -#ifdef __FreeBSD__ - RB_FOREACH(state, pf_state_tree_id, &V_tree_id) { -#else - RB_FOREACH(state, pf_state_tree_id, &tree_id) { -#endif - state->src_node = NULL; - state->nat_src_node = NULL; - } -#ifdef __FreeBSD__ - RB_FOREACH(n, pf_src_tree, &V_tree_src_tracking) { -#else - RB_FOREACH(n, pf_src_tree, &tree_src_tracking) { -#endif - n->expire = 1; - n->states = 0; - } -} -/* - * XXX - Check for version missmatch!!! - */ - -/* - * Duplicate pfctl -Fa operation to get rid of as much as we can. - */ -static int -shutdown_pf(void) -{ - int error = 0; - u_int32_t t[5]; - char nn = '\0'; - - V_pf_status.running = 0; - do { - if ((error = pf_begin_rules(&t[0], PF_RULESET_SCRUB, &nn)) - != 0) { - DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: SCRUB\n")); - break; - } - if ((error = pf_begin_rules(&t[1], PF_RULESET_FILTER, &nn)) - != 0) { - DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: FILTER\n")); - break; /* XXX: rollback? */ - } - if ((error = pf_begin_rules(&t[2], PF_RULESET_NAT, &nn)) - != 0) { - DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: NAT\n")); - break; /* XXX: rollback? */ - } - if ((error = pf_begin_rules(&t[3], PF_RULESET_BINAT, &nn)) - != 0) { - DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: BINAT\n")); - break; /* XXX: rollback? */ - } - if ((error = pf_begin_rules(&t[4], PF_RULESET_RDR, &nn)) - != 0) { - DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: RDR\n")); - break; /* XXX: rollback? */ - } - - /* XXX: these should always succeed here */ - pf_commit_rules(t[0], PF_RULESET_SCRUB, &nn); - pf_commit_rules(t[1], PF_RULESET_FILTER, &nn); - pf_commit_rules(t[2], PF_RULESET_NAT, &nn); - pf_commit_rules(t[3], PF_RULESET_BINAT, &nn); - pf_commit_rules(t[4], PF_RULESET_RDR, &nn); - - if ((error = pf_clear_tables()) != 0) - break; - - #ifdef ALTQ - if ((error = pf_begin_altq(&t[0])) != 0) { - DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: ALTQ\n")); - break; - } - pf_commit_altq(t[0]); - #endif - - pf_clear_states(); - - pf_clear_srcnodes(); - - /* status does not use malloced mem so no need to cleanup */ - /* fingerprints and interfaces have thier own cleanup code */ - } while(0); - - return (error); -} - -#ifdef INET -static int -pf_check_in(void *arg, struct mbuf **m, struct ifnet *ifp, int dir, - struct inpcb *inp) -{ - /* - * XXX Wed Jul 9 22:03:16 2003 UTC - * OpenBSD has changed its byte ordering convention on ip_len/ip_off - * in network stack. OpenBSD's network stack have converted - * ip_len/ip_off to host byte order frist as FreeBSD. - * Now this is not true anymore , so we should convert back to network - * byte order. - */ - struct ip *h = NULL; - int chk; - - if ((*m)->m_pkthdr.len >= (int)sizeof(struct ip)) { - /* if m_pkthdr.len is less than ip header, pf will handle. */ - h = mtod(*m, struct ip *); - HTONS(h->ip_len); - HTONS(h->ip_off); - } - CURVNET_SET(ifp->if_vnet); - chk = pf_test(PF_IN, ifp, m, NULL, inp); - CURVNET_RESTORE(); - if (chk && *m) { - m_freem(*m); - *m = NULL; - } - if (*m != NULL) { - /* pf_test can change ip header location */ - h = mtod(*m, struct ip *); - NTOHS(h->ip_len); - NTOHS(h->ip_off); - } - return chk; -} - -static int -pf_check_out(void *arg, struct mbuf **m, struct ifnet *ifp, int dir, - struct inpcb *inp) -{ - /* - * XXX Wed Jul 9 22:03:16 2003 UTC - * OpenBSD has changed its byte ordering convention on ip_len/ip_off - * in network stack. OpenBSD's network stack have converted - * ip_len/ip_off to host byte order frist as FreeBSD. - * Now this is not true anymore , so we should convert back to network - * byte order. - */ - struct ip *h = NULL; - int chk; - - /* We need a proper CSUM befor we start (s. OpenBSD ip_output) */ - if ((*m)->m_pkthdr.csum_flags & CSUM_DELAY_DATA) { - in_delayed_cksum(*m); - (*m)->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA; - } - if ((*m)->m_pkthdr.len >= (int)sizeof(*h)) { - /* if m_pkthdr.len is less than ip header, pf will handle. */ - h = mtod(*m, struct ip *); - HTONS(h->ip_len); - HTONS(h->ip_off); - } - CURVNET_SET(ifp->if_vnet); - chk = pf_test(PF_OUT, ifp, m, NULL, inp); - CURVNET_RESTORE(); - if (chk && *m) { - m_freem(*m); - *m = NULL; - } - if (*m != NULL) { - /* pf_test can change ip header location */ - h = mtod(*m, struct ip *); - NTOHS(h->ip_len); - NTOHS(h->ip_off); - } - return chk; -} -#endif - -#ifdef INET6 -static int -pf_check6_in(void *arg, struct mbuf **m, struct ifnet *ifp, int dir, - struct inpcb *inp) -{ - - /* - * IPv6 is not affected by ip_len/ip_off byte order changes. - */ - int chk; - - /* - * In case of loopback traffic IPv6 uses the real interface in - * order to support scoped addresses. In order to support stateful - * filtering we have change this to lo0 as it is the case in IPv4. - */ - CURVNET_SET(ifp->if_vnet); - chk = pf_test6(PF_IN, (*m)->m_flags & M_LOOP ? V_loif : ifp, m, - NULL, inp); - CURVNET_RESTORE(); - if (chk && *m) { - m_freem(*m); - *m = NULL; - } - return chk; -} - -static int -pf_check6_out(void *arg, struct mbuf **m, struct ifnet *ifp, int dir, - struct inpcb *inp) -{ - /* - * IPv6 does not affected ip_len/ip_off byte order changes. - */ - int chk; - - /* We need a proper CSUM before we start (s. OpenBSD ip_output) */ - if ((*m)->m_pkthdr.csum_flags & CSUM_DELAY_DATA) { -#ifdef INET - /* XXX-BZ copy&paste error from r126261? */ - in_delayed_cksum(*m); -#endif - (*m)->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA; - } - CURVNET_SET(ifp->if_vnet); - chk = pf_test6(PF_OUT, ifp, m, NULL, inp); - CURVNET_RESTORE(); - if (chk && *m) { - m_freem(*m); - *m = NULL; - } - return chk; -} -#endif /* INET6 */ - -static int -hook_pf(void) -{ -#ifdef INET - struct pfil_head *pfh_inet; -#endif -#ifdef INET6 - struct pfil_head *pfh_inet6; -#endif - - PF_UNLOCK_ASSERT(); - - if (V_pf_pfil_hooked) - return (0); - -#ifdef INET - pfh_inet = pfil_head_get(PFIL_TYPE_AF, AF_INET); - if (pfh_inet == NULL) - return (ESRCH); /* XXX */ - pfil_add_hook(pf_check_in, NULL, PFIL_IN | PFIL_WAITOK, pfh_inet); - pfil_add_hook(pf_check_out, NULL, PFIL_OUT | PFIL_WAITOK, pfh_inet); -#endif -#ifdef INET6 - pfh_inet6 = pfil_head_get(PFIL_TYPE_AF, AF_INET6); - if (pfh_inet6 == NULL) { -#ifdef INET - pfil_remove_hook(pf_check_in, NULL, PFIL_IN | PFIL_WAITOK, - pfh_inet); - pfil_remove_hook(pf_check_out, NULL, PFIL_OUT | PFIL_WAITOK, - pfh_inet); -#endif - return (ESRCH); /* XXX */ - } - pfil_add_hook(pf_check6_in, NULL, PFIL_IN | PFIL_WAITOK, pfh_inet6); - pfil_add_hook(pf_check6_out, NULL, PFIL_OUT | PFIL_WAITOK, pfh_inet6); -#endif - - V_pf_pfil_hooked = 1; - return (0); -} - -static int -dehook_pf(void) -{ -#ifdef INET - struct pfil_head *pfh_inet; -#endif -#ifdef INET6 - struct pfil_head *pfh_inet6; -#endif - - PF_UNLOCK_ASSERT(); - - if (V_pf_pfil_hooked == 0) - return (0); - -#ifdef INET - pfh_inet = pfil_head_get(PFIL_TYPE_AF, AF_INET); - if (pfh_inet == NULL) - return (ESRCH); /* XXX */ - pfil_remove_hook(pf_check_in, NULL, PFIL_IN | PFIL_WAITOK, - pfh_inet); - pfil_remove_hook(pf_check_out, NULL, PFIL_OUT | PFIL_WAITOK, - pfh_inet); -#endif -#ifdef INET6 - pfh_inet6 = pfil_head_get(PFIL_TYPE_AF, AF_INET6); - if (pfh_inet6 == NULL) - return (ESRCH); /* XXX */ - pfil_remove_hook(pf_check6_in, NULL, PFIL_IN | PFIL_WAITOK, - pfh_inet6); - pfil_remove_hook(pf_check6_out, NULL, PFIL_OUT | PFIL_WAITOK, - pfh_inet6); -#endif - - V_pf_pfil_hooked = 0; - return (0); -} - -static int -pf_load(void) -{ - VNET_ITERATOR_DECL(vnet_iter); - - VNET_LIST_RLOCK(); - VNET_FOREACH(vnet_iter) { - CURVNET_SET(vnet_iter); - V_pf_pfil_hooked = 0; - V_pf_end_threads = 0; - V_debug_pfugidhack = 0; - TAILQ_INIT(&V_pf_tags); - TAILQ_INIT(&V_pf_qids); - CURVNET_RESTORE(); - } - VNET_LIST_RUNLOCK(); - - init_pf_mutex(); - pf_dev = make_dev(&pf_cdevsw, 0, 0, 0, 0600, PF_NAME); - init_zone_var(); - sx_init(&V_pf_consistency_lock, "pf_statetbl_lock"); - if (pfattach() < 0) - return (ENOMEM); - - return (0); -} - -static int -pf_unload(void) -{ - int error = 0; - - PF_LOCK(); - V_pf_status.running = 0; - PF_UNLOCK(); - m_addr_chg_pf_p = NULL; - error = dehook_pf(); - if (error) { - /* - * Should not happen! - * XXX Due to error code ESRCH, kldunload will show - * a message like 'No such process'. - */ - printf("%s : pfil unregisteration fail\n", __FUNCTION__); - return error; - } - PF_LOCK(); - shutdown_pf(); - V_pf_end_threads = 1; - while (V_pf_end_threads < 2) { - wakeup_one(pf_purge_thread); - msleep(pf_purge_thread, &pf_task_mtx, 0, "pftmo", hz); - } - pfi_cleanup(); - pf_osfp_flush(); - pf_osfp_cleanup(); - cleanup_pf_zone(); - PF_UNLOCK(); - destroy_dev(pf_dev); - destroy_pf_mutex(); - sx_destroy(&V_pf_consistency_lock); - return error; -} - -static int -pf_modevent(module_t mod, int type, void *data) -{ - int error = 0; - - switch(type) { - case MOD_LOAD: - error = pf_load(); - break; - case MOD_QUIESCE: - /* - * Module should not be unloaded due to race conditions. - */ - error = EPERM; - break; - case MOD_UNLOAD: - error = pf_unload(); - break; - default: - error = EINVAL; - break; - } - return error; -} - -static moduledata_t pf_mod = { - "pf", - pf_modevent, - 0 -}; - -DECLARE_MODULE(pf, pf_mod, SI_SUB_PSEUDO, SI_ORDER_FIRST); -MODULE_VERSION(pf, PF_MODVER); -#endif /* __FreeBSD__ */ |