/*
- * Copyright (c) 2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2007-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
-/* $apfw: pf.c,v 1.37 2008/12/05 23:10:20 jhw Exp $ */
+/* $apfw: git commit 6602420f2f101b74305cd78f7cd9e0c8fdedae97 $ */
/* $OpenBSD: pf.c,v 1.567 2008/02/20 23:40:13 henning Exp $ */
/*
#include <netinet/icmp_var.h>
#include <net/if_ether.h>
#include <net/ethernet.h>
-
+#include <net/flowhash.h>
#include <net/pfvar.h>
#include <net/if_pflog.h>
#include <netinet6/nd6.h>
#endif /* INET6 */
-#ifndef NO_APPLE_EXTENSIONS
-#define DPFPRINTF(n, x) (pf_status.debug >= (n) ? printf x : ((void)0))
-#else
-#define DPFPRINTF(n, x) if (pf_status.debug >= (n)) printf x
-#endif
+#if DUMMYNET
+#include <netinet/ip_dummynet.h>
+#endif /* DUMMYNET */
-/* XXX: should be in header somewhere */
-#define satosin(sa) ((struct sockaddr_in *)(sa))
-#define sintosa(sin) ((struct sockaddr *)(sin))
+#define DPFPRINTF(n, x) (pf_status.debug >= (n) ? printf x : ((void)0))
/*
* On Mac OS X, the rtableid value is treated as the interface scope
/*
* Global variables
*/
-lck_mtx_t *pf_lock;
-lck_rw_t *pf_perim_lock;
+decl_lck_mtx_data(,pf_lock_data);
+decl_lck_rw_data(,pf_perim_lock_data);
+lck_mtx_t *pf_lock = &pf_lock_data;
+lck_rw_t *pf_perim_lock = &pf_perim_lock_data;
/* state tables */
struct pf_state_tree_lan_ext pf_statetbl_lan_ext;
struct pf_palist pf_pabuf;
struct pf_status pf_status;
-#if ALTQ
+#if PF_ALTQ
struct pf_altqqueue pf_altqs[2];
struct pf_altqqueue *pf_altqs_active;
struct pf_altqqueue *pf_altqs_inactive;
u_int32_t ticket_altqs_active;
u_int32_t ticket_altqs_inactive;
int altqs_inactive_open;
-#endif /* ALTQ */
+#endif /* PF_ALTQ */
u_int32_t ticket_pabuf;
static MD5_CTX pf_tcp_secret_ctx;
struct pool pf_src_tree_pl, pf_rule_pl, pf_pooladdr_pl;
struct pool pf_state_pl, pf_state_key_pl;
-#if ALTQ
+#if PF_ALTQ
struct pool pf_altq_pl;
-#endif /* ALTQ */
+#endif /* PF_ALTQ */
-#ifndef NO_APPLE_EXTENSIONS
typedef void (*hook_fn_t)(void *);
struct hook_desc {
static void pf_print_addr(struct pf_addr *addr, sa_family_t af);
static void pf_print_sk_host(struct pf_state_host *, u_int8_t, int,
u_int8_t);
-#endif
static void pf_print_host(struct pf_addr *, u_int16_t, u_int8_t);
u_int16_t, struct ether_header *, struct ifnet *);
static void pf_send_icmp(struct mbuf *, u_int8_t, u_int8_t,
sa_family_t, struct pf_rule *);
-#ifndef NO_APPLE_EXTENSIONS
static struct pf_rule *pf_match_translation(struct pf_pdesc *, struct mbuf *,
int, int, struct pfi_kif *, struct pf_addr *,
union pf_state_xport *, struct pf_addr *,
union pf_state_xport *, struct pf_addr *,
union pf_state_xport *, struct pf_addr *,
union pf_state_xport *);
-#else
-struct pf_rule *pf_match_translation(struct pf_pdesc *, struct mbuf *,
- int, int, struct pfi_kif *,
- struct pf_addr *, u_int16_t, struct pf_addr *,
- u_int16_t, int);
-struct pf_rule *pf_get_translation(struct pf_pdesc *, struct mbuf *,
- int, int, struct pfi_kif *, struct pf_src_node **,
- struct pf_addr *, u_int16_t,
- struct pf_addr *, u_int16_t,
- struct pf_addr *, u_int16_t *);
-#endif
static void pf_attach_state(struct pf_state_key *,
struct pf_state *, int);
static void pf_detach_state(struct pf_state *, int);
int, struct pfi_kif *, struct mbuf *, int,
void *, struct pf_pdesc *, struct pf_rule **,
struct pf_ruleset **, struct ifqueue *);
+#if DUMMYNET
+static int pf_test_dummynet(struct pf_rule **, int,
+ struct pfi_kif *, struct mbuf **,
+ struct pf_pdesc *, struct ip_fw_args *);
+#endif /* DUMMYNET */
static int pf_test_fragment(struct pf_rule **, int,
struct pfi_kif *, struct mbuf *, void *,
struct pf_pdesc *, struct pf_rule **,
void *, struct pf_pdesc *, u_short *);
static int pf_test_state_udp(struct pf_state **, int,
struct pfi_kif *, struct mbuf *, int,
- void *, struct pf_pdesc *);
+ void *, struct pf_pdesc *, u_short *);
static int pf_test_state_icmp(struct pf_state **, int,
struct pfi_kif *, struct mbuf *, int,
void *, struct pf_pdesc *, u_short *);
struct pfi_kif *, struct pf_pdesc *);
static int pf_match_tag(struct mbuf *, struct pf_rule *,
struct pf_mtag *, int *);
-static void pf_step_into_anchor(int *, struct pf_ruleset **, int,
- struct pf_rule **, struct pf_rule **, int *);
-static int pf_step_out_of_anchor(int *, struct pf_ruleset **,
- int, struct pf_rule **, struct pf_rule **,
- int *);
static void pf_hash(struct pf_addr *, struct pf_addr *,
struct pf_poolhashkey *, sa_family_t);
static int pf_map_addr(u_int8_t, struct pf_rule *,
struct pf_addr *, struct pf_addr *,
struct pf_addr *, struct pf_src_node **);
-#ifndef NO_APPLE_EXTENSIONS
static int pf_get_sport(struct pf_pdesc *, struct pfi_kif *,
struct pf_rule *, struct pf_addr *,
union pf_state_xport *, struct pf_addr *,
union pf_state_xport *, struct pf_addr *,
union pf_state_xport *, struct pf_src_node **);
-#else
-int pf_get_sport(sa_family_t, u_int8_t, struct pf_rule *,
- struct pf_addr *, struct pf_addr *, u_int16_t,
- struct pf_addr *, u_int16_t *, u_int16_t, u_int16_t,
- struct pf_src_node **);
-#endif
static void pf_route(struct mbuf **, struct pf_rule *, int,
struct ifnet *, struct pf_state *,
struct pf_pdesc *);
struct pfi_kif *);
static int pf_check_congestion(struct ifqueue *);
-#ifndef NO_APPLE_EXTENSIONS
#if 0
static const char *pf_pptp_ctrl_type_name(u_int16_t code);
#endif
static void pf_pptp_handler(struct pf_state *, int, int,
struct pf_pdesc *, struct pfi_kif *);
static void pf_pptp_unlink(struct pf_state *);
+static void pf_grev1_unlink(struct pf_state *);
static int pf_test_state_grev1(struct pf_state **, int,
struct pfi_kif *, int, struct pf_pdesc *);
static int pf_ike_compare(struct pf_app_state *,
struct pf_app_state *);
static int pf_test_state_esp(struct pf_state **, int,
struct pfi_kif *, int, struct pf_pdesc *);
-#endif
extern struct pool pfr_ktable_pl;
extern struct pool pfr_kentry_pl;
{ &pf_src_tree_pl, PFSNODE_HIWAT },
{ &pf_frent_pl, PFFRAG_FRENT_HIWAT },
{ &pfr_ktable_pl, PFR_KTABLE_HIWAT },
- { &pfr_kentry_pl, PFR_KENTRY_HIWAT }
+ { &pfr_kentry_pl, PFR_KENTRY_HIWAT },
};
-#ifndef NO_APPLE_EXTENSIONS
struct mbuf *
pf_lazy_makewritable(struct pf_pdesc *pd, struct mbuf *m, int len)
{
pd->lmw = len;
if (len >= 0 && m != pd->mp) {
pd->mp = m;
+ pd->pf_mtag = pf_find_mtag(m);
switch (pd->af) {
case AF_INET: {
do { \
int action; \
*state = pf_find_state(kif, &key, direction); \
+ if (*state != NULL && pd != NULL && \
+ pd->flowhash == 0) { \
+ pd->flowhash = (*state)->state_key->flowhash; \
+ } \
if (pf_state_lookup_aux(state, kif, direction, &action)) \
return (action); \
} while (0)
(STATE_ADDR_TRANSLATE(sk) || \
(sk)->lan.xport.call_id != (sk)->gwy.xport.call_id)
-#else
-#define STATE_LOOKUP() \
- do { \
- *state = pf_find_state(kif, &key, direction); \
- if (*state == NULL || (*state)->timeout == PFTM_PURGE) \
- return (PF_DROP); \
- if (direction == PF_OUT && \
- (((*state)->rule.ptr->rt == PF_ROUTETO && \
- (*state)->rule.ptr->direction == PF_OUT) || \
- ((*state)->rule.ptr->rt == PF_REPLYTO && \
- (*state)->rule.ptr->direction == PF_IN)) && \
- (*state)->rt_kif != NULL && \
- (*state)->rt_kif != kif) \
- return (PF_PASS); \
- } while (0)
-
-#define STATE_TRANSLATE(sk) \
- (sk)->lan.addr.addr32[0] != (sk)->gwy.addr.addr32[0] || \
- ((sk)->af == AF_INET6 && \
- ((sk)->lan.addr.addr32[1] != (sk)->gwy.addr.addr32[1] || \
- (sk)->lan.addr.addr32[2] != (sk)->gwy.addr.addr32[2] || \
- (sk)->lan.addr.addr32[3] != (sk)->gwy.addr.addr32[3])) || \
- (sk)->lan.port != (sk)->gwy.port
-#endif
-
#define BOUND_IFACE(r, k) \
((r)->rule_flag & PFRULE_IFBOUND) ? (k) : pfi_all
-#define STATE_INC_COUNTERS(s) \
- do { \
- s->rule.ptr->states++; \
- if (s->anchor.ptr != NULL) \
- s->anchor.ptr->states++; \
- if (s->nat_rule.ptr != NULL) \
- s->nat_rule.ptr->states++; \
+#define STATE_INC_COUNTERS(s) \
+ do { \
+ s->rule.ptr->states++; \
+ VERIFY(s->rule.ptr->states != 0); \
+ if (s->anchor.ptr != NULL) { \
+ s->anchor.ptr->states++; \
+ VERIFY(s->anchor.ptr->states != 0); \
+ } \
+ if (s->nat_rule.ptr != NULL) { \
+ s->nat_rule.ptr->states++; \
+ VERIFY(s->nat_rule.ptr->states != 0); \
+ } \
} while (0)
-#define STATE_DEC_COUNTERS(s) \
- do { \
- if (s->nat_rule.ptr != NULL) \
- s->nat_rule.ptr->states--; \
- if (s->anchor.ptr != NULL) \
- s->anchor.ptr->states--; \
- s->rule.ptr->states--; \
+#define STATE_DEC_COUNTERS(s) \
+ do { \
+ if (s->nat_rule.ptr != NULL) { \
+ VERIFY(s->nat_rule.ptr->states > 0); \
+ s->nat_rule.ptr->states--; \
+ } \
+ if (s->anchor.ptr != NULL) { \
+ VERIFY(s->anchor.ptr->states > 0); \
+ s->anchor.ptr->states--; \
+ } \
+ VERIFY(s->rule.ptr->states > 0); \
+ s->rule.ptr->states--; \
} while (0)
static __inline int pf_src_compare(struct pf_src_node *, struct pf_src_node *);
#define PF_DT_SKIP_LANEXT 0x01
#define PF_DT_SKIP_EXTGWY 0x02
-#ifndef NO_APPLE_EXTENSIONS
-static const u_int16_t PF_PPTP_PORT = htons(1723);
-static const u_int32_t PF_PPTP_MAGIC_NUMBER = htonl(0x1A2B3C4D);
+static const u_int16_t PF_PPTP_PORT = 1723;
+static const u_int32_t PF_PPTP_MAGIC_NUMBER = 0x1A2B3C4D;
struct pf_pptp_hdr {
u_int16_t length;
*/
};
-static const u_int16_t PF_IKE_PORT = htons(500);
+static const u_int16_t PF_IKE_PORT = 500;
struct pf_ike_hdr {
u_int64_t initiator_cookie, responder_cookie;
u_int32_t seqno;
u_int8_t payload[];
};
-#endif
static __inline int
pf_src_compare(struct pf_src_node *a, struct pf_src_node *b)
pf_state_compare_lan_ext(struct pf_state_key *a, struct pf_state_key *b)
{
int diff;
-#ifndef NO_APPLE_EXTENSIONS
- int extfilter;
-#endif
+ int extfilter;
if ((diff = a->proto - b->proto) != 0)
return (diff);
if ((diff = a->af - b->af) != 0)
return (diff);
-#ifndef NO_APPLE_EXTENSIONS
extfilter = PF_EXTFILTER_APD;
switch (a->proto) {
default:
break;
}
-#endif
switch (a->af) {
#if INET
return (1);
if (a->lan.addr.addr32[0] < b->lan.addr.addr32[0])
return (-1);
-#ifndef NO_APPLE_EXTENSIONS
if (extfilter < PF_EXTFILTER_EI) {
if (a->ext.addr.addr32[0] > b->ext.addr.addr32[0])
return (1);
if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
return (-1);
}
-#else
- if (a->ext.addr.addr32[0] > b->ext.addr.addr32[0])
- return (1);
- if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
- return (-1);
-#endif
break;
#endif /* INET */
#if INET6
case AF_INET6:
-#ifndef NO_APPLE_EXTENSIONS
if (a->lan.addr.addr32[3] > b->lan.addr.addr32[3])
return (1);
if (a->lan.addr.addr32[3] < b->lan.addr.addr32[3])
if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
return (-1);
}
-#else
- if (a->lan.addr.addr32[3] > b->lan.addr.addr32[3])
- return (1);
- if (a->lan.addr.addr32[3] < b->lan.addr.addr32[3])
- return (-1);
- if (a->ext.addr.addr32[3] > b->ext.addr.addr32[3])
- return (1);
- if (a->ext.addr.addr32[3] < b->ext.addr.addr32[3])
- return (-1);
- if (a->lan.addr.addr32[2] > b->lan.addr.addr32[2])
- return (1);
- if (a->lan.addr.addr32[2] < b->lan.addr.addr32[2])
- return (-1);
- if (a->ext.addr.addr32[2] > b->ext.addr.addr32[2])
- return (1);
- if (a->ext.addr.addr32[2] < b->ext.addr.addr32[2])
- return (-1);
- if (a->lan.addr.addr32[1] > b->lan.addr.addr32[1])
- return (1);
- if (a->lan.addr.addr32[1] < b->lan.addr.addr32[1])
- return (-1);
- if (a->ext.addr.addr32[1] > b->ext.addr.addr32[1])
- return (1);
- if (a->ext.addr.addr32[1] < b->ext.addr.addr32[1])
- return (-1);
- if (a->lan.addr.addr32[0] > b->lan.addr.addr32[0])
- return (1);
- if (a->lan.addr.addr32[0] < b->lan.addr.addr32[0])
- return (-1);
- if (a->ext.addr.addr32[0] > b->ext.addr.addr32[0])
- return (1);
- if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
- return (-1);
-#endif
break;
#endif /* INET6 */
}
-#ifndef NO_APPLE_EXTENSIONS
if (a->app_state && b->app_state) {
if (a->app_state->compare_lan_ext &&
b->app_state->compare_lan_ext) {
return (diff);
}
}
-#else
- if ((diff = a->lan.port - b->lan.port) != 0)
- return (diff);
- if ((diff = a->ext.port - b->ext.port) != 0)
- return (diff);
-#endif
return (0);
}
pf_state_compare_ext_gwy(struct pf_state_key *a, struct pf_state_key *b)
{
int diff;
-#ifndef NO_APPLE_EXTENSIONS
- int extfilter;
-#endif
+ int extfilter;
if ((diff = a->proto - b->proto) != 0)
return (diff);
if ((diff = a->af - b->af) != 0)
return (diff);
-#ifndef NO_APPLE_EXTENSIONS
extfilter = PF_EXTFILTER_APD;
switch (a->proto) {
default:
break;
}
-#endif
switch (a->af) {
#if INET
case AF_INET:
-#ifndef NO_APPLE_EXTENSIONS
if (a->gwy.addr.addr32[0] > b->gwy.addr.addr32[0])
return (1);
if (a->gwy.addr.addr32[0] < b->gwy.addr.addr32[0])
if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
return (-1);
}
-#else
- if (a->ext.addr.addr32[0] > b->ext.addr.addr32[0])
- return (1);
- if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
- return (-1);
- if (a->gwy.addr.addr32[0] > b->gwy.addr.addr32[0])
- return (1);
- if (a->gwy.addr.addr32[0] < b->gwy.addr.addr32[0])
- return (-1);
-#endif
break;
#endif /* INET */
#if INET6
case AF_INET6:
-#ifndef NO_APPLE_EXTENSIONS
if (a->gwy.addr.addr32[3] > b->gwy.addr.addr32[3])
return (1);
if (a->gwy.addr.addr32[3] < b->gwy.addr.addr32[3])
if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
return (-1);
}
-#else
- if (a->ext.addr.addr32[3] > b->ext.addr.addr32[3])
- return (1);
- if (a->ext.addr.addr32[3] < b->ext.addr.addr32[3])
- return (-1);
- if (a->gwy.addr.addr32[3] > b->gwy.addr.addr32[3])
- return (1);
- if (a->gwy.addr.addr32[3] < b->gwy.addr.addr32[3])
- return (-1);
- if (a->ext.addr.addr32[2] > b->ext.addr.addr32[2])
- return (1);
- if (a->ext.addr.addr32[2] < b->ext.addr.addr32[2])
- return (-1);
- if (a->gwy.addr.addr32[2] > b->gwy.addr.addr32[2])
- return (1);
- if (a->gwy.addr.addr32[2] < b->gwy.addr.addr32[2])
- return (-1);
- if (a->ext.addr.addr32[1] > b->ext.addr.addr32[1])
- return (1);
- if (a->ext.addr.addr32[1] < b->ext.addr.addr32[1])
- return (-1);
- if (a->gwy.addr.addr32[1] > b->gwy.addr.addr32[1])
- return (1);
- if (a->gwy.addr.addr32[1] < b->gwy.addr.addr32[1])
- return (-1);
- if (a->ext.addr.addr32[0] > b->ext.addr.addr32[0])
- return (1);
- if (a->ext.addr.addr32[0] < b->ext.addr.addr32[0])
- return (-1);
- if (a->gwy.addr.addr32[0] > b->gwy.addr.addr32[0])
- return (1);
- if (a->gwy.addr.addr32[0] < b->gwy.addr.addr32[0])
- return (-1);
-#endif
break;
#endif /* INET6 */
}
-#ifndef NO_APPLE_EXTENSIONS
if (a->app_state && b->app_state) {
if (a->app_state->compare_ext_gwy &&
b->app_state->compare_ext_gwy) {
return (diff);
}
}
-#else
- if ((diff = a->ext.port - b->ext.port) != 0)
- return (diff);
- if ((diff = a->gwy.port - b->gwy.port) != 0)
- return (diff);
-#endif
return (0);
}
{
pf_status.fcounters[FCNT_STATE_SEARCH]++;
- return (RB_FIND(pf_state_tree_id, &tree_id, (struct pf_state *)key));
+ return (RB_FIND(pf_state_tree_id, &tree_id,
+ (struct pf_state *)(void *)key));
}
static struct pf_state *
int bad = 0;
(*state)->src_node->conn++;
+ VERIFY((*state)->src_node->conn != 0);
(*state)->src.tcp_est = 1;
pf_add_threshold(&(*state)->src_node->conn_rate);
}
pfr_insert_kentry((*state)->rule.ptr->overload_tbl,
- &p, pf_time_second());
+ &p, pf_calendar_time_second());
/* kill existing states if that's required. */
if ((*state)->rule.ptr->flush) {
struct pf_state_key *sk = s->state_key;
if (pf_status.debug >= PF_DEBUG_MISC) {
-#ifndef NO_APPLE_EXTENSIONS
printf("pf: state insert failed: %s %s ", tree, kif->pfik_name);
switch (sk->proto) {
case IPPROTO_TCP:
printf(" ext: ");
pf_print_sk_host(&sk->ext, sk->af, sk->proto,
sk->proto_variant);
-#else
- printf("pf: state insert failed: %s %s", tree, kif->pfik_name);
- printf(" lan: ");
- pf_print_host(&sk->lan.addr, sk->lan.port,
- sk->af);
- printf(" gwy: ");
- pf_print_host(&sk->gwy.addr, sk->gwy.port,
- sk->af);
- printf(" ext: ");
- pf_print_host(&sk->ext.addr, sk->ext.port,
- sk->af);
-#endif
if (s->sync_flags & PFSTATE_FROMSYNC)
printf(" (from sync)");
printf("\n");
TAILQ_INSERT_TAIL(&state_list, s, entry_list);
pf_status.fcounters[FCNT_STATE_INSERT]++;
pf_status.states++;
+ VERIFY(pf_status.states != 0);
pfi_kif_ref(kif, PFI_KIF_REF_STATE);
#if NPFSYNC
pfsync_insert_state(s);
return (0);
}
-void
-pf_purge_thread_fn(void *v, wait_result_t w)
+static int
+pf_purge_thread_cont(int err)
{
-#pragma unused(v, w)
- u_int32_t nloops = 0;
- int t = 0;
-
- for (;;) {
- (void) tsleep(pf_purge_thread_fn, PWAIT, "pftm", t * hz);
-
- lck_rw_lock_shared(pf_perim_lock);
- lck_mtx_lock(pf_lock);
-
- /* purge everything if not running */
- if (!pf_status.running) {
- pf_purge_expired_states(pf_status.states);
- pf_purge_expired_fragments();
- pf_purge_expired_src_nodes();
-
- /* terminate thread (we don't currently do this) */
- if (pf_purge_thread == NULL) {
- lck_mtx_unlock(pf_lock);
- lck_rw_done(pf_perim_lock);
-
- thread_deallocate(current_thread());
- thread_terminate(current_thread());
- /* NOTREACHED */
- return;
- } else {
- /* if there's nothing left, sleep w/o timeout */
- if (pf_status.states == 0 &&
- pf_normalize_isempty() &&
- RB_EMPTY(&tree_src_tracking))
- t = 0;
-
- lck_mtx_unlock(pf_lock);
- lck_rw_done(pf_perim_lock);
- continue;
+#pragma unused(err)
+ static u_int32_t nloops = 0;
+ int t = 1; /* 1 second */
+
+ lck_rw_lock_shared(pf_perim_lock);
+ lck_mtx_lock(pf_lock);
+
+ /* purge everything if not running */
+ if (!pf_status.running) {
+ pf_purge_expired_states(pf_status.states);
+ pf_purge_expired_fragments();
+ pf_purge_expired_src_nodes();
+
+ /* terminate thread (we don't currently do this) */
+ if (pf_purge_thread == NULL) {
+ lck_mtx_unlock(pf_lock);
+ lck_rw_done(pf_perim_lock);
+
+ thread_deallocate(current_thread());
+ thread_terminate(current_thread());
+ /* NOTREACHED */
+ return (0);
+ } else {
+ /* if there's nothing left, sleep w/o timeout */
+ if (pf_status.states == 0 &&
+ pf_normalize_isempty() &&
+ RB_EMPTY(&tree_src_tracking)) {
+ nloops = 0;
+ t = 0;
}
- } else if (t == 0) {
- /* Set timeout to 1 second */
- t = 1;
+ goto done;
}
+ }
- /* process a fraction of the state table every second */
- pf_purge_expired_states(1 + (pf_status.states
- / pf_default_rule.timeout[PFTM_INTERVAL]));
-
- /* purge other expired types every PFTM_INTERVAL seconds */
- if (++nloops >= pf_default_rule.timeout[PFTM_INTERVAL]) {
- pf_purge_expired_fragments();
- pf_purge_expired_src_nodes();
- nloops = 0;
- }
+ /* process a fraction of the state table every second */
+ pf_purge_expired_states(1 + (pf_status.states
+ / pf_default_rule.timeout[PFTM_INTERVAL]));
- lck_mtx_unlock(pf_lock);
- lck_rw_done(pf_perim_lock);
+ /* purge other expired types every PFTM_INTERVAL seconds */
+ if (++nloops >= pf_default_rule.timeout[PFTM_INTERVAL]) {
+ pf_purge_expired_fragments();
+ pf_purge_expired_src_nodes();
+ nloops = 0;
}
+done:
+ lck_mtx_unlock(pf_lock);
+ lck_rw_done(pf_perim_lock);
+
+ (void) tsleep0(pf_purge_thread_fn, PWAIT, "pf_purge_cont",
+ t * hz, pf_purge_thread_cont);
+ /* NOTREACHED */
+ VERIFY(0);
+
+ return (0);
+}
+
+void
+pf_purge_thread_fn(void *v, wait_result_t w)
+{
+#pragma unused(v, w)
+ (void) tsleep0(pf_purge_thread_fn, PWAIT, "pf_purge", 0,
+ pf_purge_thread_cont);
+ /*
+ * tsleep0() shouldn't have returned as PCATCH was not set;
+ * therefore assert in this case.
+ */
+ VERIFY(0);
}
u_int64_t
lck_mtx_assert(pf_lock, LCK_MTX_ASSERT_OWNED);
if (s->src_node != NULL) {
- if (s->src.tcp_est)
+ if (s->src.tcp_est) {
+ VERIFY(s->src_node->conn > 0);
--s->src_node->conn;
+ }
+ VERIFY(s->src_node->states > 0);
if (--s->src_node->states <= 0) {
t = s->rule.ptr->timeout[PFTM_SRC_NODE];
if (!t)
}
}
if (s->nat_src_node != s->src_node && s->nat_src_node != NULL) {
+ VERIFY(s->nat_src_node->states > 0);
if (--s->nat_src_node->states <= 0) {
t = s->rule.ptr->timeout[PFTM_SRC_NODE];
if (!t)
{
lck_mtx_assert(pf_lock, LCK_MTX_ASSERT_OWNED);
-#ifndef NO_APPLE_EXTENSIONS
if (cur->src.state == PF_TCPS_PROXY_DST) {
pf_send_tcp(cur->rule.ptr, cur->state_key->af,
&cur->state_key->ext.addr, &cur->state_key->lan.addr,
}
hook_runloop(&cur->unlink_hooks, HOOK_REMOVE|HOOK_FREE);
-#else
- if (cur->src.state == PF_TCPS_PROXY_DST) {
- pf_send_tcp(cur->rule.ptr, cur->state_key->af,
- &cur->state_key->ext.addr, &cur->state_key->lan.addr,
- cur->state_key->ext.port, cur->state_key->lan.port,
- cur->src.seqhi, cur->src.seqlo + 1,
- TH_RST|TH_ACK, 0, 0, 0, 1, cur->tag, NULL, NULL);
- }
-#endif
RB_REMOVE(pf_state_tree_id, &tree_id, cur);
#if NPFSYNC
if (cur->creatorid == pf_status.hostid)
return;
#endif
VERIFY(cur->timeout == PFTM_UNLINKED);
+ VERIFY(cur->rule.ptr->states > 0);
if (--cur->rule.ptr->states <= 0 &&
cur->rule.ptr->src_nodes <= 0)
pf_rm_rule(NULL, cur->rule.ptr);
- if (cur->nat_rule.ptr != NULL)
+ if (cur->nat_rule.ptr != NULL) {
+ VERIFY(cur->nat_rule.ptr->states > 0);
if (--cur->nat_rule.ptr->states <= 0 &&
cur->nat_rule.ptr->src_nodes <= 0)
pf_rm_rule(NULL, cur->nat_rule.ptr);
- if (cur->anchor.ptr != NULL)
+ }
+ if (cur->anchor.ptr != NULL) {
+ VERIFY(cur->anchor.ptr->states > 0);
if (--cur->anchor.ptr->states <= 0)
pf_rm_rule(NULL, cur->anchor.ptr);
+ }
pf_normalize_tcp_cleanup(cur);
pfi_kif_unref(cur->kif, PFI_KIF_REF_STATE);
TAILQ_REMOVE(&state_list, cur, entry_list);
pf_tag_unref(cur->tag);
pool_put(&pf_state_pl, cur);
pf_status.fcounters[FCNT_STATE_REMOVALS]++;
+ VERIFY(pf_status.states > 0);
pf_status.states--;
}
kt->pfrkt_cnt : -1;
}
-#ifndef NO_APPLE_EXTENSIONS
static void
pf_print_addr(struct pf_addr *addr, sa_family_t af)
{
break;
}
}
-#endif
static void
pf_print_host(struct pf_addr *addr, u_int16_t p, sa_family_t af)
{
-#ifndef NO_APPLE_EXTENSIONS
pf_print_addr(addr, af);
if (p)
printf("[%u]", ntohs(p));
-#else
- switch (af) {
-#if INET
- case AF_INET: {
- u_int32_t a = ntohl(addr->addr32[0]);
- printf("%u.%u.%u.%u", (a>>24)&255, (a>>16)&255,
- (a>>8)&255, a&255);
- if (p) {
- p = ntohs(p);
- printf(":%u", p);
- }
- break;
- }
-#endif /* INET */
-#if INET6
- case AF_INET6: {
- u_int16_t b;
- u_int8_t i, curstart = 255, curend = 0,
- maxstart = 0, maxend = 0;
- for (i = 0; i < 8; i++) {
- if (!addr->addr16[i]) {
- if (curstart == 255)
- curstart = i;
- else
- curend = i;
- } else {
- if (curstart) {
- if ((curend - curstart) >
- (maxend - maxstart)) {
- maxstart = curstart;
- maxend = curend;
- curstart = 255;
- }
- }
- }
- }
- for (i = 0; i < 8; i++) {
- if (i >= maxstart && i <= maxend) {
- if (maxend != 7) {
- if (i == maxstart)
- printf(":");
- } else {
- if (i == maxend)
- printf(":");
- }
- } else {
- b = ntohs(addr->addr16[i]);
- printf("%x", b);
- if (i < 7)
- printf(":");
- }
- }
- if (p) {
- p = ntohs(p);
- printf("[%u]", p);
- }
- break;
- }
-#endif /* INET6 */
- }
-#endif
}
void
{
struct pf_state_key *sk = s->state_key;
switch (sk->proto) {
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_ESP:
printf("ESP ");
break;
case IPPROTO_GRE:
printf("GRE%u ", sk->proto_variant);
break;
-#endif
case IPPROTO_TCP:
printf("TCP ");
break;
printf("%u ", sk->proto);
break;
}
-#ifndef NO_APPLE_EXTENSIONS
pf_print_sk_host(&sk->lan, sk->af, sk->proto, sk->proto_variant);
printf(" ");
pf_print_sk_host(&sk->gwy, sk->af, sk->proto, sk->proto_variant);
printf(" ");
pf_print_sk_host(&sk->ext, sk->af, sk->proto, sk->proto_variant);
-#else
- pf_print_host(&sk->lan.addr, sk->lan.port, sk->af);
- printf(" ");
- pf_print_host(&sk->gwy.addr, sk->gwy.port, sk->af);
- printf(" ");
- pf_print_host(&sk->ext.addr, sk->ext.port, sk->af);
-#endif
printf(" [lo=%u high=%u win=%u modulator=%u", s->src.seqlo,
s->src.seqhi, s->src.max_win, s->src.seqdiff);
if (s->src.wscale && s->dst.wscale)
if (cur->src.neg != prev->src.neg ||
pf_addr_wrap_neq(&cur->src.addr, &prev->src.addr))
PF_SET_SKIP_STEPS(PF_SKIP_SRC_ADDR);
-#ifndef NO_APPLE_EXTENSIONS
{
union pf_rule_xport *cx = &cur->src.xport;
union pf_rule_xport *px = &prev->src.xport;
break;
}
}
-#else
- if (cur->src.port[0] != prev->src.port[0] ||
- cur->src.port[1] != prev->src.port[1] ||
- cur->src.port_op != prev->src.port_op)
- PF_SET_SKIP_STEPS(PF_SKIP_SRC_PORT);
-#endif
if (cur->dst.neg != prev->dst.neg ||
pf_addr_wrap_neq(&cur->dst.addr, &prev->dst.addr))
PF_SET_SKIP_STEPS(PF_SKIP_DST_ADDR);
-#ifndef NO_APPLE_EXTENSIONS
{
union pf_rule_xport *cx = &cur->dst.xport;
union pf_rule_xport *px = &prev->dst.xport;
break;
}
}
-#else
- if (cur->dst.port[0] != prev->dst.port[0] ||
- cur->dst.port[1] != prev->dst.port[1] ||
- cur->dst.port_op != prev->dst.port_op)
- PF_SET_SKIP_STEPS(PF_SKIP_DST_PORT);
-#endif
prev = cur;
cur = TAILQ_NEXT(cur, entries);
PF_SET_SKIP_STEPS(i);
}
+u_int32_t
+pf_calc_state_key_flowhash(struct pf_state_key *sk)
+{
+ struct pf_flowhash_key fh __attribute__((aligned(8)));
+
+ bzero(&fh, sizeof (fh));
+ if (PF_ALEQ(&sk->lan.addr, &sk->ext.addr, sk->af)) {
+ bcopy(&sk->lan.addr, &fh.ap1.addr, sizeof (fh.ap1.addr));
+ bcopy(&sk->ext.addr, &fh.ap2.addr, sizeof (fh.ap2.addr));
+ } else {
+ bcopy(&sk->ext.addr, &fh.ap1.addr, sizeof (fh.ap1.addr));
+ bcopy(&sk->lan.addr, &fh.ap2.addr, sizeof (fh.ap2.addr));
+ }
+ if (sk->lan.xport.spi <= sk->ext.xport.spi) {
+ fh.ap1.xport.spi = sk->lan.xport.spi;
+ fh.ap2.xport.spi = sk->ext.xport.spi;
+ } else {
+ fh.ap1.xport.spi = sk->ext.xport.spi;
+ fh.ap2.xport.spi = sk->lan.xport.spi;
+ }
+ fh.af = sk->af;
+ fh.proto = sk->proto;
+
+ return (net_flowhash(&fh, sizeof (fh), pf_hash_seed));
+}
+
static int
pf_addr_wrap_neq(struct pf_addr_wrap *aw1, struct pf_addr_wrap *aw2)
{
#endif /* INET */
#if INET6
case AF_INET6:
- *pc = pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(
- pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(
- pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(*pc,
- ao.addr16[0], an->addr16[0], u),
- ao.addr16[1], an->addr16[1], u),
- ao.addr16[2], an->addr16[2], u),
- ao.addr16[3], an->addr16[3], u),
- ao.addr16[4], an->addr16[4], u),
- ao.addr16[5], an->addr16[5], u),
- ao.addr16[6], an->addr16[6], u),
- ao.addr16[7], an->addr16[7], u),
- po, pn, u);
+ /*
+ * If the packet is originated from an ALG on the NAT gateway
+ * (source address is loopback or local), in which case the
+ * TCP/UDP checksum field contains the pseudo header checksum
+ * that's not yet complemented.
+ */
+ if (dir == PF_OUT && m != NULL &&
+ (m->m_flags & M_PKTHDR) &&
+ (m->m_pkthdr.csum_flags & (CSUM_TCPIPV6 | CSUM_UDPIPV6))) {
+ /* Pseudo-header checksum does not include ports */
+ *pc = ~pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(
+ pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(
+ pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(~*pc,
+ ao.addr16[0], an->addr16[0], u),
+ ao.addr16[1], an->addr16[1], u),
+ ao.addr16[2], an->addr16[2], u),
+ ao.addr16[3], an->addr16[3], u),
+ ao.addr16[4], an->addr16[4], u),
+ ao.addr16[5], an->addr16[5], u),
+ ao.addr16[6], an->addr16[6], u),
+ ao.addr16[7], an->addr16[7], u),
+ po, pn, u);
+ } else {
+ *pc = pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(
+ pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(
+ pf_cksum_fixup(pf_cksum_fixup(pf_cksum_fixup(*pc,
+ ao.addr16[0], an->addr16[0], u),
+ ao.addr16[1], an->addr16[1], u),
+ ao.addr16[2], an->addr16[2], u),
+ ao.addr16[3], an->addr16[3], u),
+ ao.addr16[4], an->addr16[4], u),
+ ao.addr16[5], an->addr16[5], u),
+ ao.addr16[6], an->addr16[6], u),
+ ao.addr16[7], an->addr16[7], u),
+ po, pn, u);
+ }
break;
#endif /* INET6 */
}
dst->seqdiff), 0);
memcpy(&opt[i], &sack, sizeof (sack));
}
-#ifndef NO_APPLE_EXTENSIONS
copyback = off + sizeof (*th) + thoptlen;
-#else
- copyback = 1;
-#endif
}
/* FALLTHROUGH */
default:
}
}
-#ifndef NO_APPLE_EXTENSIONS
if (copyback) {
m = pf_lazy_makewritable(pd, m, copyback);
if (!m)
return (-1);
m_copyback(m, off + sizeof (*th), thoptlen, opts);
}
-#else
- if (copyback)
- m_copyback(m, off + sizeof (*th), thoptlen, opts);
-#endif
return (copyback);
}
}
if (tag)
- pf_mtag->flags |= PF_TAG_GENERATED;
- pf_mtag->tag = rtag;
+ pf_mtag->pftag_flags |= PF_TAG_GENERATED;
+ pf_mtag->pftag_tag = rtag;
if (r != NULL && PF_RTABLEID_IS_VALID(r->rtableid))
- pf_mtag->rtableid = r->rtableid;
+ pf_mtag->pftag_rtableid = r->rtableid;
-#if ALTQ
- if (r != NULL && r->qid) {
- pf_mtag->qid = r->qid;
- /* add hints for ecn */
- pf_mtag->hdr = mtod(m, struct ip *);
+#if PF_ALTQ
+ if (altq_allowed && r != NULL && r->qid)
+ pf_mtag->pftag_qid = r->qid;
+#endif /* PF_ALTQ */
+
+ /* add hints for ecn */
+ pf_mtag->pftag_hdr = mtod(m, struct ip *);
+ /* record address family */
+ pf_mtag->pftag_flags &= ~(PF_TAG_HDR_INET | PF_TAG_HDR_INET6);
+ switch (af) {
+#if INET
+ case AF_INET:
+ pf_mtag->pftag_flags |= PF_TAG_HDR_INET;
+ break;
+#endif /* INET */
+#if INET6
+ case AF_INET6:
+ pf_mtag->pftag_flags |= PF_TAG_HDR_INET6;
+ break;
+#endif /* INET6 */
}
-#endif /* ALTQ */
+ /* indicate this is TCP */
+ pf_mtag->pftag_flags |= PF_TAG_TCP;
+
+ /* Make sure headers are 32-bit aligned */
m->m_data += max_linkhdr;
m->m_pkthdr.len = m->m_len = len;
m->m_pkthdr.rcvif = NULL;
h->ip_src.s_addr = saddr->v4.s_addr;
h->ip_dst.s_addr = daddr->v4.s_addr;
- th = (struct tcphdr *)((caddr_t)h + sizeof (struct ip));
+ th = (struct tcphdr *)(void *)((caddr_t)h + sizeof (struct ip));
break;
#endif /* INET */
#if INET6
memcpy(&h6->ip6_src, &saddr->v6, sizeof (struct in6_addr));
memcpy(&h6->ip6_dst, &daddr->v6, sizeof (struct in6_addr));
- th = (struct tcphdr *)((caddr_t)h6 + sizeof (struct ip6_hdr));
+ th = (struct tcphdr *)(void *)
+ ((caddr_t)h6 + sizeof (struct ip6_hdr));
break;
#endif /* INET6 */
}
h6->ip6_hlim = IPV6_DEFHLIM;
bzero(&ro6, sizeof (ro6));
- ip6_output(m, NULL, &ro6, 0, NULL, NULL, 0);
+ ip6_output(m, NULL, &ro6, 0, NULL, NULL, NULL);
if (ro6.ro_rt != NULL)
rtfree(ro6.ro_rt);
break;
if ((pf_mtag = pf_get_mtag(m0)) == NULL)
return;
- pf_mtag->flags |= PF_TAG_GENERATED;
+ pf_mtag->pftag_flags |= PF_TAG_GENERATED;
if (PF_RTABLEID_IS_VALID(r->rtableid))
- pf_mtag->rtableid = r->rtableid;
-
-#if ALTQ
- if (r->qid) {
- pf_mtag->qid = r->qid;
- /* add hints for ecn */
- pf_mtag->hdr = mtod(m0, struct ip *);
- }
-#endif /* ALTQ */
+ pf_mtag->pftag_rtableid = r->rtableid;
+
+#if PF_ALTQ
+ if (altq_allowed && r->qid)
+ pf_mtag->pftag_qid = r->qid;
+#endif /* PF_ALTQ */
+
+ /* add hints for ecn */
+ pf_mtag->pftag_hdr = mtod(m0, struct ip *);
+ /* record address family */
+ pf_mtag->pftag_flags &=
+ ~(PF_TAG_HDR_INET | PF_TAG_HDR_INET6 | PF_TAG_TCP);
switch (af) {
#if INET
case AF_INET:
- icmp_error(m0, type, code, 0, 0);
+ pf_mtag->pftag_flags |= PF_TAG_HDR_INET;
break;
#endif /* INET */
#if INET6
case AF_INET6:
- icmp6_error(m0, type, code, 0);
+ pf_mtag->pftag_flags |= PF_TAG_HDR_INET6;
break;
#endif /* INET6 */
}
-}
-/*
- * Return 1 if the addresses a and b match (with mask m), otherwise return 0.
- * If n is 0, they match if they are equal. If n is != 0, they match if they
- * are different.
- */
+ switch (af) {
+#if INET
+ case AF_INET:
+ icmp_error(m0, type, code, 0, 0);
+ break;
+#endif /* INET */
+#if INET6
+ case AF_INET6:
+ icmp6_error(m0, type, code, 0);
+ break;
+#endif /* INET6 */
+ }
+}
+
+/*
+ * Return 1 if the addresses a and b match (with mask m), otherwise return 0.
+ * If n is 0, they match if they are equal. If n is != 0, they match if they
+ * are different.
+ */
int
pf_match_addr(u_int8_t n, struct pf_addr *a, struct pf_addr *m,
struct pf_addr *b, sa_family_t af)
return (pf_match(op, a1, a2, p));
}
-#ifndef NO_APPLE_EXTENSIONS
int
pf_match_xport(u_int8_t proto, u_int8_t proto_variant, union pf_rule_xport *rx,
union pf_state_xport *sx)
return (d);
}
-#endif
int
pf_match_uid(u_int8_t op, uid_t a1, uid_t a2, uid_t u)
{
#pragma unused(m)
if (*tag == -1)
- *tag = pf_mtag->tag;
+ *tag = pf_mtag->pftag_tag;
return ((!r->match_tag_not && r->match_tag == *tag) ||
(r->match_tag_not && r->match_tag != *tag));
int
pf_tag_packet(struct mbuf *m, struct pf_mtag *pf_mtag, int tag,
- unsigned int rtableid)
+ unsigned int rtableid, struct pf_pdesc *pd)
{
- if (tag <= 0 && !PF_RTABLEID_IS_VALID(rtableid))
+ if (tag <= 0 && !PF_RTABLEID_IS_VALID(rtableid) &&
+ (pd == NULL || pd->flowhash == 0))
return (0);
if (pf_mtag == NULL && (pf_mtag = pf_get_mtag(m)) == NULL)
return (1);
if (tag > 0)
- pf_mtag->tag = tag;
+ pf_mtag->pftag_tag = tag;
if (PF_RTABLEID_IS_VALID(rtableid))
- pf_mtag->rtableid = rtableid;
+ pf_mtag->pftag_rtableid = rtableid;
+ if (pd != NULL && pd->flowhash != 0) {
+ pf_mtag->pftag_flags |= PF_TAG_FLOWHASH;
+ pf_mtag->pftag_flowhash = pd->flowhash;
+ pf_mtag->pftag_flags |= (pd->flags & PFDESC_FLOW_ADV) ?
+ PF_TAG_FLOWADV : 0;
+ }
return (0);
}
-static void
+void
pf_step_into_anchor(int *depth, struct pf_ruleset **rs, int n,
struct pf_rule **r, struct pf_rule **a, int *match)
{
*r = TAILQ_FIRST((*rs)->rules[n].active.ptr);
}
-static int
+int
pf_step_out_of_anchor(int *depth, struct pf_ruleset **rs, int n,
struct pf_rule **r, struct pf_rule **a, int *match)
{
}
break;
case PF_POOL_SRCHASH:
- pf_hash(saddr, (struct pf_addr *)&hash, &rpool->key, af);
- PF_POOLMASK(naddr, raddr, rmask, (struct pf_addr *)&hash, af);
+ pf_hash(saddr, (struct pf_addr *)(void *)&hash,
+ &rpool->key, af);
+ PF_POOLMASK(naddr, raddr, rmask,
+ (struct pf_addr *)(void *)&hash, af);
break;
case PF_POOL_ROUNDROBIN:
if (rpool->cur->addr.type == PF_ADDR_TABLE) {
return (0);
}
-#ifndef NO_APPLE_EXTENSIONS
static int
pf_get_sport(struct pf_pdesc *pd, struct pfi_kif *kif, struct pf_rule *r,
struct pf_addr *saddr, union pf_state_xport *sxport, struct pf_addr *daddr,
union pf_state_xport *dxport, struct pf_addr *naddr,
union pf_state_xport *nxport, struct pf_src_node **sn)
-#else
-int
-pf_get_sport(sa_family_t af, u_int8_t proto, struct pf_rule *r,
- struct pf_addr *saddr, struct pf_addr *daddr, u_int16_t dport,
- struct pf_addr *naddr, u_int16_t *nport, u_int16_t low, u_int16_t high,
- struct pf_src_node **sn)
-#endif
{
#pragma unused(kif)
struct pf_state_key_cmp key;
struct pf_addr init_addr;
-#ifndef NO_APPLE_EXTENSIONS
unsigned int cut;
sa_family_t af = pd->af;
u_int8_t proto = pd->proto;
- unsigned int low = ntohs(r->rpool.proxy_port[0]);
- unsigned int high = ntohs(r->rpool.proxy_port[1]);
-#else
- u_int16_t cut;
-#endif
+ unsigned int low = r->rpool.proxy_port[0];
+ unsigned int high = r->rpool.proxy_port[1];
bzero(&init_addr, sizeof (init_addr));
if (pf_map_addr(af, r, saddr, naddr, &init_addr, sn))
high = 65535;
}
-#ifndef NO_APPLE_EXTENSIONS
if (!nxport)
return (0); /* No output necessary. */
if (proto == IPPROTO_UDP) {
/*--- Never float IKE source port ---*/
- if (sxport->port == PF_IKE_PORT) {
+ if (ntohs(sxport->port) == PF_IKE_PORT) {
nxport->port = sxport->port;
return (0);
}
return (0);
}
}
+ } else if (proto == IPPROTO_TCP) {
+ struct pf_state* s;
+ /*
+ * APPLE MODIFICATION: <rdar://problem/6546358>
+ * Fix allows....NAT to use a single binding for TCP session
+ * with same source IP and source port
+ */
+ TAILQ_FOREACH(s, &state_list, entry_list) {
+ struct pf_state_key* sk = s->state_key;
+ if (!sk)
+ continue;
+ if (s->nat_rule.ptr != r)
+ continue;
+ if (sk->proto != IPPROTO_TCP || sk->af != af)
+ continue;
+ if (sk->lan.xport.port != sxport->port)
+ continue;
+ if (!(PF_AEQ(&sk->lan.addr, saddr, af)))
+ continue;
+ nxport->port = sk->gwy.xport.port;
+ return (0);
+ }
}
-#endif
-
do {
key.af = af;
key.proto = proto;
PF_ACPY(&key.ext.addr, daddr, key.af);
PF_ACPY(&key.gwy.addr, naddr, key.af);
-#ifndef NO_APPLE_EXTENSIONS
switch (proto) {
case IPPROTO_UDP:
key.proto_variant = r->extfilter;
key.ext.xport = *dxport;
else
memset(&key.ext.xport, 0, sizeof (key.ext.xport));
-#else
- key.ext.port = dport;
-#endif
-
/*
* port search; start random, step;
* similar 2 portloop in in_pcbbind
*/
if (!(proto == IPPROTO_TCP || proto == IPPROTO_UDP ||
proto == IPPROTO_ICMP)) {
-#ifndef NO_APPLE_EXTENSIONS
if (dxport)
key.gwy.xport = *dxport;
else
memset(&key.gwy.xport, 0,
sizeof (key.ext.xport));
-#else
- key.gwy.port = dport;
-#endif
if (pf_find_state_all(&key, PF_IN, NULL) == NULL)
return (0);
} else if (low == 0 && high == 0) {
-#ifndef NO_APPLE_EXTENSIONS
key.gwy.xport = *nxport;
-#else
- key.gwy.port = *nport;
-#endif
if (pf_find_state_all(&key, PF_IN, NULL) == NULL)
return (0);
} else if (low == high) {
-#ifndef NO_APPLE_EXTENSIONS
key.gwy.xport.port = htons(low);
if (pf_find_state_all(&key, PF_IN, NULL) == NULL) {
nxport->port = htons(low);
return (0);
}
-#else
- key.gwy.port = htons(low);
- if (pf_find_state_all(&key, PF_IN, NULL) == NULL) {
- *nport = htons(low);
- return (0);
- }
-#endif
} else {
-#ifndef NO_APPLE_EXTENSIONS
unsigned int tmp;
-#else
- u_int16_t tmp;
-#endif
if (low > high) {
tmp = low;
low = high;
cut = htonl(random()) % (1 + high - low) + low;
/* low <= cut <= high */
for (tmp = cut; tmp <= high; ++(tmp)) {
-#ifndef NO_APPLE_EXTENSIONS
key.gwy.xport.port = htons(tmp);
if (pf_find_state_all(&key, PF_IN, NULL) ==
NULL) {
nxport->port = htons(tmp);
return (0);
}
-#else
- key.gwy.port = htons(tmp);
- if (pf_find_state_all(&key, PF_IN, NULL) ==
- NULL) {
- *nport = htons(tmp);
- return (0);
- }
-#endif
}
for (tmp = cut - 1; tmp >= low; --(tmp)) {
-#ifndef NO_APPLE_EXTENSIONS
key.gwy.xport.port = htons(tmp);
if (pf_find_state_all(&key, PF_IN, NULL) ==
NULL) {
nxport->port = htons(tmp);
return (0);
}
-#else
- key.gwy.port = htons(tmp);
- if (pf_find_state_all(&key, PF_IN, NULL) ==
- NULL) {
- *nport = htons(tmp);
- return (0);
- }
-#endif
}
}
return (1); /* none available */
}
-#ifndef NO_APPLE_EXTENSIONS
static struct pf_rule *
pf_match_translation(struct pf_pdesc *pd, struct mbuf *m, int off,
int direction, struct pfi_kif *kif, struct pf_addr *saddr,
union pf_state_xport *sxport, struct pf_addr *daddr,
union pf_state_xport *dxport, int rs_num)
-#else
-struct pf_rule *
-pf_match_translation(struct pf_pdesc *pd, struct mbuf *m, int off,
- int direction, struct pfi_kif *kif, struct pf_addr *saddr, u_int16_t sport,
- struct pf_addr *daddr, u_int16_t dport, int rs_num)
-#endif
{
struct pf_rule *r, *rm = NULL;
struct pf_ruleset *ruleset = NULL;
while (r && rm == NULL) {
struct pf_rule_addr *src = NULL, *dst = NULL;
struct pf_addr_wrap *xdst = NULL;
-#ifndef NO_APPLE_EXTENSIONS
struct pf_addr_wrap *xsrc = NULL;
-#endif
+ union pf_rule_xport rdrxport;
if (r->action == PF_BINAT && direction == PF_IN) {
src = &r->dst;
if (r->rpool.cur != NULL)
xdst = &r->rpool.cur->addr;
-#ifndef NO_APPLE_EXTENSIONS
} else if (r->action == PF_RDR && direction == PF_OUT) {
dst = &r->src;
src = &r->dst;
- if (r->rpool.cur != NULL)
+ if (r->rpool.cur != NULL) {
+ rdrxport.range.op = PF_OP_EQ;
+ rdrxport.range.port[0] =
+ htons(r->rpool.proxy_port[0]);
xsrc = &r->rpool.cur->addr;
-#endif
+ }
} else {
src = &r->src;
dst = &r->dst;
r = r->skip[PF_SKIP_AF].ptr;
else if (r->proto && r->proto != pd->proto)
r = r->skip[PF_SKIP_PROTO].ptr;
-#ifndef NO_APPLE_EXTENSIONS
else if (xsrc && PF_MISMATCHAW(xsrc, saddr, pd->af, 0, NULL))
r = TAILQ_NEXT(r, entries);
else if (!xsrc && PF_MISMATCHAW(&src->addr, saddr, pd->af,
src->neg, kif))
- r = r->skip[src == &r->src ? PF_SKIP_SRC_ADDR :
- PF_SKIP_DST_ADDR].ptr;
- else if (!pf_match_xport(r->proto, r->proto_variant, &src->xport,
- sxport))
-#else
- else if (PF_MISMATCHAW(&src->addr, saddr, pd->af,
- src->neg, kif))
- r = r->skip[src == &r->src ? PF_SKIP_SRC_ADDR :
- PF_SKIP_DST_ADDR].ptr;
- else if (src->port_op && !pf_match_port(src->port_op,
- src->port[0], src->port[1], sport))
-#endif
+ r = TAILQ_NEXT(r, entries);
+ else if (xsrc && (!rdrxport.range.port[0] ||
+ !pf_match_xport(r->proto, r->proto_variant, &rdrxport,
+ sxport)))
+ r = TAILQ_NEXT(r, entries);
+ else if (!xsrc && !pf_match_xport(r->proto,
+ r->proto_variant, &src->xport, sxport))
r = r->skip[src == &r->src ? PF_SKIP_SRC_PORT :
PF_SKIP_DST_PORT].ptr;
else if (dst != NULL &&
else if (xdst != NULL && PF_MISMATCHAW(xdst, daddr, pd->af,
0, NULL))
r = TAILQ_NEXT(r, entries);
-#ifndef NO_APPLE_EXTENSIONS
else if (dst && !pf_match_xport(r->proto, r->proto_variant,
&dst->xport, dxport))
-#else
- else if (dst != NULL && dst->port_op &&
- !pf_match_port(dst->port_op, dst->port[0],
- dst->port[1], dport))
-#endif
r = r->skip[PF_SKIP_DST_PORT].ptr;
else if (r->match_tag && !pf_match_tag(m, r, pd->pf_mtag, &tag))
r = TAILQ_NEXT(r, entries);
pf_step_out_of_anchor(&asd, &ruleset, rs_num, &r,
NULL, NULL);
}
- if (pf_tag_packet(m, pd->pf_mtag, tag, rtableid))
+ if (pf_tag_packet(m, pd->pf_mtag, tag, rtableid, NULL))
return (NULL);
if (rm != NULL && (rm->action == PF_NONAT ||
rm->action == PF_NORDR || rm->action == PF_NOBINAT))
return (rm);
}
-#ifndef NO_APPLE_EXTENSIONS
static struct pf_rule *
pf_get_translation_aux(struct pf_pdesc *pd, struct mbuf *m, int off,
int direction, struct pfi_kif *kif, struct pf_src_node **sn,
struct pf_addr *saddr, union pf_state_xport *sxport, struct pf_addr *daddr,
union pf_state_xport *dxport, struct pf_addr *naddr,
union pf_state_xport *nxport)
-#else
-struct pf_rule *
-pf_get_translation(struct pf_pdesc *pd, struct mbuf *m, int off, int direction,
- struct pfi_kif *kif, struct pf_src_node **sn,
- struct pf_addr *saddr, u_int16_t sport,
- struct pf_addr *daddr, u_int16_t dport,
- struct pf_addr *naddr, u_int16_t *nport)
-#endif
{
struct pf_rule *r = NULL;
-#ifndef NO_APPLE_EXTENSIONS
if (direction == PF_OUT) {
r = pf_match_translation(pd, m, off, direction, kif, saddr,
sxport, daddr, dxport, PF_RULESET_BINAT);
r = pf_match_translation(pd, m, off, direction, kif,
saddr, sxport, daddr, dxport, PF_RULESET_BINAT);
}
-#else
- if (direction == PF_OUT) {
- r = pf_match_translation(pd, m, off, direction, kif, saddr,
- sport, daddr, dport, PF_RULESET_BINAT);
- if (r == NULL)
- r = pf_match_translation(pd, m, off, direction, kif,
- saddr, sport, daddr, dport, PF_RULESET_NAT);
- } else {
- r = pf_match_translation(pd, m, off, direction, kif, saddr,
- sport, daddr, dport, PF_RULESET_RDR);
- if (r == NULL)
- r = pf_match_translation(pd, m, off, direction, kif,
- saddr, sport, daddr, dport, PF_RULESET_BINAT);
- }
-#endif
if (r != NULL) {
switch (r->action) {
case PF_NORDR:
return (NULL);
case PF_NAT:
-#ifndef NO_APPLE_EXTENSIONS
if (pf_get_sport(pd, kif, r, saddr, sxport, daddr,
dxport, naddr, nxport, sn)) {
-#else
- if (pf_get_sport(pd->af, pd->proto, r, saddr,
- daddr, dport, naddr, nport, r->rpool.proxy_port[0],
- r->rpool.proxy_port[1], sn)) {
-#endif
DPFPRINTF(PF_DEBUG_MISC,
("pf: NAT proxy port allocation "
"(%u-%u) failed\n",
}
break;
case PF_RDR: {
-#ifndef NO_APPLE_EXTENSIONS
switch (direction) {
case PF_OUT:
if (r->dst.addr.type == PF_ADDR_DYNIFTL) {
&r->dst.addr.v.a.mask,
daddr, pd->af);
}
- if (nxport && dxport)
- *nxport = *sxport;
+ if (nxport && r->dst.xport.range.port[0])
+ nxport->port =
+ r->dst.xport.range.port[0];
break;
case PF_IN:
if (pf_map_addr(pd->af, r, saddr,
}
break;
}
-#else
- if (pf_map_addr(pd->af, r, saddr, naddr, NULL, sn))
- return (NULL);
- if ((r->rpool.opts & PF_POOL_TYPEMASK) ==
- PF_POOL_BITMASK)
- PF_POOLMASK(naddr, naddr,
- &r->rpool.cur->addr.v.a.mask, daddr,
- pd->af);
-
- if (r->rpool.proxy_port[1]) {
- u_int32_t tmp_nport;
-
- tmp_nport = ((ntohs(dport) -
- ntohs(r->dst.port[0])) %
- (r->rpool.proxy_port[1] -
- r->rpool.proxy_port[0] + 1)) +
- r->rpool.proxy_port[0];
-
- /* wrap around if necessary */
- if (tmp_nport > 65535)
- tmp_nport -= 65535;
- *nport = htons((u_int16_t)tmp_nport);
- } else if (r->rpool.proxy_port[0])
- *nport = htons(r->rpool.proxy_port[0]);
-#endif
break;
}
default:
{
struct pf_addr *saddr, *daddr;
u_int16_t sport, dport;
- struct inpcbinfo *pi;
- struct inpcb *inp = NULL;
+ struct inpcbinfo *pi;
+ int inp = 0;
if (pd == NULL)
return (-1);
switch (pd->af) {
#if INET
case AF_INET:
- inp = in_pcblookup_hash(pi, saddr->v4, sport, daddr->v4, dport,
- 0, NULL);
- if (inp == NULL) {
- inp = in_pcblookup_hash(pi, saddr->v4, sport,
- daddr->v4, dport, INPLOOKUP_WILDCARD, NULL);
- if (inp == NULL)
+ inp = in_pcblookup_hash_exists(pi, saddr->v4, sport, daddr->v4, dport,
+ 0, &pd->lookup.uid, &pd->lookup.gid, NULL);
+#if INET6
+ if (inp == 0) {
+ struct in6_addr s6, d6;
+
+ memset(&s6, 0, sizeof (s6));
+ s6.s6_addr16[5] = htons(0xffff);
+ memcpy(&s6.s6_addr32[3], &saddr->v4,
+ sizeof (saddr->v4));
+
+ memset(&d6, 0, sizeof (d6));
+ d6.s6_addr16[5] = htons(0xffff);
+ memcpy(&d6.s6_addr32[3], &daddr->v4,
+ sizeof (daddr->v4));
+
+ inp = in6_pcblookup_hash_exists(pi, &s6, sport,
+ &d6, dport, 0, &pd->lookup.uid, &pd->lookup.gid, NULL);
+ if (inp == 0) {
+ inp = in_pcblookup_hash_exists(pi, saddr->v4, sport,
+ daddr->v4, dport, INPLOOKUP_WILDCARD, &pd->lookup.uid, &pd->lookup.gid, NULL);
+ if (inp == 0) {
+ inp = in6_pcblookup_hash_exists(pi, &s6, sport,
+ &d6, dport, INPLOOKUP_WILDCARD,
+ &pd->lookup.uid, &pd->lookup.gid, NULL);
+ if (inp == 0)
+ return (-1);
+ }
+ }
+ }
+#else
+ if (inp == 0) {
+ inp = in_pcblookup_hash_exists(pi, saddr->v4, sport,
+ daddr->v4, dport, INPLOOKUP_WILDCARD,
+ &pd->lookup.uid, &pd->lookup.gid, NULL);
+ if (inp == 0)
return (-1);
}
+#endif /* !INET6 */
break;
#endif /* INET */
#if INET6
case AF_INET6:
- inp = in6_pcblookup_hash(pi, &saddr->v6, sport, &daddr->v6,
- dport, 0, NULL);
- if (inp == NULL) {
- inp = in6_pcblookup_hash(pi, &saddr->v6, sport,
- &daddr->v6, dport, INPLOOKUP_WILDCARD, NULL);
- if (inp == NULL)
+ inp = in6_pcblookup_hash_exists(pi, &saddr->v6, sport, &daddr->v6,
+ dport, 0, &pd->lookup.uid, &pd->lookup.gid, NULL);
+ if (inp == 0) {
+ inp = in6_pcblookup_hash_exists(pi, &saddr->v6, sport,
+ &daddr->v6, dport, INPLOOKUP_WILDCARD,
+ &pd->lookup.uid, &pd->lookup.gid, NULL);
+ if (inp == 0)
return (-1);
}
break;
#endif /* INET6 */
-
+
default:
return (-1);
}
- if (inp != NULL)
- in_pcb_checkstate(inp, WNT_RELEASE, 0);
-
return (1);
}
case AF_INET:
hlen = sizeof (struct ip);
bzero(&ro, sizeof (ro));
- dst = (struct sockaddr_in *)&ro.ro_dst;
+ dst = (struct sockaddr_in *)(void *)&ro.ro_dst;
dst->sin_family = AF_INET;
dst->sin_len = sizeof (*dst);
dst->sin_addr = addr->v4;
case AF_INET6:
hlen = sizeof (struct ip6_hdr);
bzero(&ro6, sizeof (ro6));
- dst6 = (struct sockaddr_in6 *)&ro6.ro_dst;
+ dst6 = (struct sockaddr_in6 *)(void *)&ro6.ro_dst;
dst6->sin6_family = AF_INET6;
dst6->sin6_len = sizeof (*dst6);
dst6->sin6_addr = addr->v6;
if (!(flags & PF_DT_SKIP_LANEXT))
RB_REMOVE(pf_state_tree_lan_ext,
&pf_statetbl_lan_ext, sk);
-#ifndef NO_APPLE_EXTENSIONS
if (sk->app_state)
pool_put(&pf_app_state_pl, sk->app_state);
-#endif
pool_put(&pf_state_key_pl, sk);
}
}
struct pf_state_key *
-pf_alloc_state_key(struct pf_state *s)
+pf_alloc_state_key(struct pf_state *s, struct pf_state_key *psk)
{
struct pf_state_key *sk;
TAILQ_INIT(&sk->states);
pf_attach_state(sk, s, 0);
+ /* initialize state key from psk, if provided */
+ if (psk != NULL) {
+ bcopy(&psk->lan, &sk->lan, sizeof (sk->lan));
+ bcopy(&psk->gwy, &sk->gwy, sizeof (sk->gwy));
+ bcopy(&psk->ext, &sk->ext, sizeof (sk->ext));
+ sk->af = psk->af;
+ sk->proto = psk->proto;
+ sk->direction = psk->direction;
+ sk->proto_variant = psk->proto_variant;
+ VERIFY(psk->app_state == NULL);
+ sk->flowhash = psk->flowhash;
+ /* don't touch tree entries, states and refcnt on sk */
+ }
+
return (sk);
}
#pragma unused(h)
struct pf_rule *nr = NULL;
struct pf_addr *saddr = pd->src, *daddr = pd->dst;
-#ifdef NO_APPLE_EXTENSIONS
- u_int16_t bport, nport = 0;
-#endif
sa_family_t af = pd->af;
struct pf_rule *r, *a = NULL;
struct pf_ruleset *ruleset = NULL;
int match = 0;
int state_icmp = 0;
u_int16_t mss = tcp_mssdflt;
-#ifdef NO_APPLE_EXTENSIONS
- u_int16_t sport, dport;
-#endif
u_int8_t icmptype = 0, icmpcode = 0;
-#ifndef NO_APPLE_EXTENSIONS
struct pf_grev1_hdr *grev1 = pd->hdr.grev1;
union pf_state_xport bxport, nxport, sxport, dxport;
-#endif
+ struct pf_state_key psk;
lck_mtx_assert(pf_lock, LCK_MTX_ASSERT_OWNED);
return (PF_DROP);
}
-#ifndef NO_APPLE_EXTENSIONS
hdrlen = 0;
sxport.spi = 0;
dxport.spi = 0;
nxport.spi = 0;
-#else
- sport = dport = hdrlen = 0;
-#endif
switch (pd->proto) {
case IPPROTO_TCP:
-#ifndef NO_APPLE_EXTENSIONS
sxport.port = th->th_sport;
dxport.port = th->th_dport;
-#else
- sport = th->th_sport;
- dport = th->th_dport;
-#endif
hdrlen = sizeof (*th);
break;
case IPPROTO_UDP:
-#ifndef NO_APPLE_EXTENSIONS
sxport.port = pd->hdr.udp->uh_sport;
dxport.port = pd->hdr.udp->uh_dport;
-#else
- sport = pd->hdr.udp->uh_sport;
- dport = pd->hdr.udp->uh_dport;
-#endif
hdrlen = sizeof (*pd->hdr.udp);
break;
#if INET
case IPPROTO_ICMP:
if (pd->af != AF_INET)
break;
-#ifndef NO_APPLE_EXTENSIONS
sxport.port = dxport.port = pd->hdr.icmp->icmp_id;
hdrlen = ICMP_MINLEN;
-#else
- sport = dport = pd->hdr.icmp->icmp_id;
-#endif
icmptype = pd->hdr.icmp->icmp_type;
icmpcode = pd->hdr.icmp->icmp_code;
case IPPROTO_ICMPV6:
if (pd->af != AF_INET6)
break;
-#ifndef NO_APPLE_EXTENSIONS
sxport.port = dxport.port = pd->hdr.icmp6->icmp6_id;
-#else
- sport = dport = pd->hdr.icmp6->icmp6_id;
-#endif
hdrlen = sizeof (*pd->hdr.icmp6);
icmptype = pd->hdr.icmp6->icmp6_type;
icmpcode = pd->hdr.icmp6->icmp6_code;
state_icmp++;
break;
#endif /* INET6 */
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_GRE:
if (pd->proto_variant == PF_GRE_PPTP_VARIANT) {
sxport.call_id = dxport.call_id =
dxport.spi = pd->hdr.esp->spi;
hdrlen = sizeof (*pd->hdr.esp);
break;
-#endif
}
r = TAILQ_FIRST(pf_main_ruleset.rules[PF_RULESET_FILTER].active.ptr);
if (direction == PF_OUT) {
-#ifndef NO_APPLE_EXTENSIONS
bxport = nxport = sxport;
/* check outgoing packet for BINAT/NAT */
if ((nr = pf_get_translation_aux(pd, m, off, PF_OUT, kif, &nsn,
saddr, &sxport, daddr, &dxport, &pd->naddr, &nxport)) !=
NULL) {
-#else
- bport = nport = sport;
- /* check outgoing packet for BINAT/NAT */
- if ((nr = pf_get_translation(pd, m, off, PF_OUT, kif, &nsn,
- saddr, sport, daddr, dport, &pd->naddr, &nport)) != NULL) {
-#endif
PF_ACPY(&pd->baddr, saddr, af);
switch (pd->proto) {
case IPPROTO_TCP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, saddr,
&th->th_sport, pd->ip_sum, &th->th_sum,
&pd->naddr, nxport.port, 0, af);
sxport.port = th->th_sport;
-#else
- pf_change_ap(saddr, &th->th_sport, pd->ip_sum,
- &th->th_sum, &pd->naddr, nport, 0, af);
- sport = th->th_sport;
-#endif
rewrite++;
break;
case IPPROTO_UDP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, saddr,
&pd->hdr.udp->uh_sport, pd->ip_sum,
&pd->hdr.udp->uh_sum, &pd->naddr,
nxport.port, 1, af);
sxport.port = pd->hdr.udp->uh_sport;
-#else
- pf_change_ap(saddr, &pd->hdr.udp->uh_sport,
- pd->ip_sum, &pd->hdr.udp->uh_sum,
- &pd->naddr, nport, 1, af);
- sport = pd->hdr.udp->uh_sport;
-#endif
rewrite++;
break;
#if INET
case IPPROTO_ICMP:
- pf_change_a(&saddr->v4.s_addr, pd->ip_sum,
- pd->naddr.v4.s_addr, 0);
-#ifndef NO_APPLE_EXTENSIONS
- pd->hdr.icmp->icmp_cksum = pf_cksum_fixup(
- pd->hdr.icmp->icmp_cksum, sxport.port,
- nxport.port, 0);
- pd->hdr.icmp->icmp_id = nxport.port;
- ++rewrite;
-#else
- pd->hdr.icmp->icmp_cksum = pf_cksum_fixup(
- pd->hdr.icmp->icmp_cksum, sport, nport, 0);
- pd->hdr.icmp->icmp_id = nport;
- m_copyback(m, off, ICMP_MINLEN, pd->hdr.icmp);
-#endif
+ if (pd->af == AF_INET) {
+ pf_change_a(&saddr->v4.s_addr, pd->ip_sum,
+ pd->naddr.v4.s_addr, 0);
+ pd->hdr.icmp->icmp_cksum = pf_cksum_fixup(
+ pd->hdr.icmp->icmp_cksum, sxport.port,
+ nxport.port, 0);
+ pd->hdr.icmp->icmp_id = nxport.port;
+ ++rewrite;
+ }
break;
#endif /* INET */
#if INET6
case IPPROTO_ICMPV6:
- pf_change_a6(saddr, &pd->hdr.icmp6->icmp6_cksum,
- &pd->naddr, 0);
- rewrite++;
+ if (pd->af == AF_INET6) {
+ pf_change_a6(saddr, &pd->hdr.icmp6->icmp6_cksum,
+ &pd->naddr, 0);
+ rewrite++;
+ }
break;
#endif /* INET */
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_GRE:
switch (af) {
#if INET
#endif /* INET6 */
}
break;
-#endif
default:
switch (af) {
#if INET
pd->nat_rule = nr;
}
} else {
-#ifndef NO_APPLE_EXTENSIONS
bxport.port = nxport.port = dxport.port;
/* check incoming packet for BINAT/RDR */
if ((nr = pf_get_translation_aux(pd, m, off, PF_IN, kif, &nsn,
saddr, &sxport, daddr, &dxport, &pd->naddr, &nxport)) !=
NULL) {
-#else
- bport = nport = dport;
- /* check incoming packet for BINAT/RDR */
- if ((nr = pf_get_translation(pd, m, off, PF_IN, kif, &nsn,
- saddr, sport, daddr, dport, &pd->naddr, &nport)) != NULL) {
-#endif
PF_ACPY(&pd->baddr, daddr, af);
switch (pd->proto) {
case IPPROTO_TCP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, daddr,
&th->th_dport, pd->ip_sum, &th->th_sum,
&pd->naddr, nxport.port, 0, af);
dxport.port = th->th_dport;
-#else
- pf_change_ap(daddr, &th->th_dport, pd->ip_sum,
- &th->th_sum, &pd->naddr, nport, 0, af);
- dport = th->th_dport;
-#endif
rewrite++;
break;
case IPPROTO_UDP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, daddr,
&pd->hdr.udp->uh_dport, pd->ip_sum,
&pd->hdr.udp->uh_sum, &pd->naddr,
nxport.port, 1, af);
dxport.port = pd->hdr.udp->uh_dport;
-#else
- pf_change_ap(direction, daddr,
- &pd->hdr.udp->uh_dport,
- pd->ip_sum, &pd->hdr.udp->uh_sum,
- &pd->naddr, nport, 1, af);
- dport = pd->hdr.udp->uh_dport;
-#endif
rewrite++;
break;
#if INET
case IPPROTO_ICMP:
- pf_change_a(&daddr->v4.s_addr, pd->ip_sum,
- pd->naddr.v4.s_addr, 0);
+ if (pd->af == AF_INET) {
+ pf_change_a(&daddr->v4.s_addr, pd->ip_sum,
+ pd->naddr.v4.s_addr, 0);
+ }
break;
#endif /* INET */
#if INET6
case IPPROTO_ICMPV6:
- pf_change_a6(daddr, &pd->hdr.icmp6->icmp6_cksum,
- &pd->naddr, 0);
- rewrite++;
+ if (pd->af == AF_INET6) {
+ pf_change_a6(daddr, &pd->hdr.icmp6->icmp6_cksum,
+ &pd->naddr, 0);
+ rewrite++;
+ }
break;
#endif /* INET6 */
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_GRE:
if (pd->proto_variant == PF_GRE_PPTP_VARIANT)
grev1->call_id = nxport.call_id;
#endif /* INET6 */
}
break;
-#endif
default:
switch (af) {
#if INET
}
}
-#ifndef NO_APPLE_EXTENSIONS
if (nr && nr->tag > 0)
tag = nr->tag;
-#endif
while (r != NULL) {
r->evaluations++;
r->src.neg, kif))
r = r->skip[PF_SKIP_SRC_ADDR].ptr;
/* tcp/udp only. port_op always 0 in other cases */
-#ifndef NO_APPLE_EXTENSIONS
else if (r->proto == pd->proto &&
(r->proto == IPPROTO_TCP || r->proto == IPPROTO_UDP) &&
r->src.xport.range.op &&
!pf_match_port(r->src.xport.range.op,
r->src.xport.range.port[0], r->src.xport.range.port[1],
th->th_sport))
-#else
- else if (r->src.port_op && !pf_match_port(r->src.port_op,
- r->src.port[0], r->src.port[1], th->th_sport))
-#endif
r = r->skip[PF_SKIP_SRC_PORT].ptr;
else if (PF_MISMATCHAW(&r->dst.addr, daddr, af,
r->dst.neg, NULL))
r = r->skip[PF_SKIP_DST_ADDR].ptr;
/* tcp/udp only. port_op always 0 in other cases */
-#ifndef NO_APPLE_EXTENSIONS
else if (r->proto == pd->proto &&
(r->proto == IPPROTO_TCP || r->proto == IPPROTO_UDP) &&
r->dst.xport.range.op &&
!pf_match_port(r->dst.xport.range.op,
r->dst.xport.range.port[0], r->dst.xport.range.port[1],
th->th_dport))
-#else
- else if (r->dst.port_op && !pf_match_port(r->dst.port_op,
- r->dst.port[0], r->dst.port[1], th->th_dport))
-#endif
r = r->skip[PF_SKIP_DST_PORT].ptr;
/* icmp only. type always 0 in other cases */
else if (r->type && r->type != icmptype + 1)
/* icmp only. type always 0 in other cases */
else if (r->code && r->code != icmpcode + 1)
r = TAILQ_NEXT(r, entries);
- else if (r->tos && !(r->tos == pd->tos))
+ else if ((r->rule_flag & PFRULE_TOS) && r->tos &&
+ !(r->tos & pd->tos))
+ r = TAILQ_NEXT(r, entries);
+ else if ((r->rule_flag & PFRULE_DSCP) && r->tos &&
+ !(r->tos & (pd->tos & DSCP_MASK)))
+ r = TAILQ_NEXT(r, entries);
+ else if ((r->rule_flag & PFRULE_SC) && r->tos &&
+ ((r->tos & SCIDX_MASK) != pd->sc))
r = TAILQ_NEXT(r, entries);
else if (r->rule_flag & PFRULE_FRAGMENT)
r = TAILQ_NEXT(r, entries);
REASON_SET(&reason, PFRES_MATCH);
if (r->log || (nr != NULL && nr->log)) {
-#ifndef NO_APPLE_EXTENSIONS
if (rewrite > 0) {
if (rewrite < off + hdrlen)
rewrite = off + hdrlen;
m_copyback(m, off, hdrlen, pd->hdr.any);
}
-#else
- if (rewrite)
- m_copyback(m, off, hdrlen, pd->hdr.any);
-#endif
PFLOG_PACKET(kif, h, m, af, direction, reason, r->log ? r : nr,
a, ruleset, pd);
}
if (direction == PF_OUT) {
switch (pd->proto) {
case IPPROTO_TCP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, saddr,
&th->th_sport, pd->ip_sum,
&th->th_sum, &pd->baddr,
bxport.port, 0, af);
sxport.port = th->th_sport;
-#else
- pf_change_ap(saddr, &th->th_sport,
- pd->ip_sum, &th->th_sum,
- &pd->baddr, bport, 0, af);
- sport = th->th_sport;
-#endif
rewrite++;
break;
case IPPROTO_UDP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, saddr,
&pd->hdr.udp->uh_sport, pd->ip_sum,
&pd->hdr.udp->uh_sum, &pd->baddr,
bxport.port, 1, af);
sxport.port = pd->hdr.udp->uh_sport;
-#else
- pf_change_ap(saddr,
- &pd->hdr.udp->uh_sport, pd->ip_sum,
- &pd->hdr.udp->uh_sum, &pd->baddr,
- bport, 1, af);
- sport = pd->hdr.udp->uh_sport;
-#endif
rewrite++;
break;
case IPPROTO_ICMP:
#endif
/* nothing! */
break;
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_GRE:
PF_ACPY(&pd->baddr, saddr, af);
++rewrite;
#endif /* INET6 */
}
break;
-#endif
default:
switch (af) {
case AF_INET:
} else {
switch (pd->proto) {
case IPPROTO_TCP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, daddr,
&th->th_dport, pd->ip_sum,
&th->th_sum, &pd->baddr,
bxport.port, 0, af);
dxport.port = th->th_dport;
-#else
- pf_change_ap(daddr, &th->th_dport,
- pd->ip_sum, &th->th_sum,
- &pd->baddr, bport, 0, af);
- dport = th->th_dport;
-#endif
rewrite++;
break;
case IPPROTO_UDP:
-#ifndef NO_APPLE_EXTENSIONS
pf_change_ap(direction, pd->mp, daddr,
&pd->hdr.udp->uh_dport, pd->ip_sum,
&pd->hdr.udp->uh_sum, &pd->baddr,
bxport.port, 1, af);
dxport.port = pd->hdr.udp->uh_dport;
-#else
- pf_change_ap(daddr,
- &pd->hdr.udp->uh_dport, pd->ip_sum,
- &pd->hdr.udp->uh_sum, &pd->baddr,
- bport, 1, af);
- dport = pd->hdr.udp->uh_dport;
-#endif
rewrite++;
break;
case IPPROTO_ICMP:
#endif
/* nothing! */
break;
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_GRE:
if (pd->proto_variant ==
PF_GRE_PPTP_VARIANT)
#endif /* INET6 */
}
break;
-#endif
default:
switch (af) {
case AF_INET:
r->return_ttl, 1, 0, pd->eh, kif->pfik_ifp);
}
} else if (pd->proto != IPPROTO_ICMP && af == AF_INET &&
-#ifndef NO_APPLE_EXTENSIONS
pd->proto != IPPROTO_ESP && pd->proto != IPPROTO_AH &&
-#endif
r->return_icmp)
pf_send_icmp(m, r->return_icmp >> 8,
r->return_icmp & 255, af, r);
else if (pd->proto != IPPROTO_ICMPV6 && af == AF_INET6 &&
-#ifndef NO_APPLE_EXTENSIONS
pd->proto != IPPROTO_ESP && pd->proto != IPPROTO_AH &&
-#endif
r->return_icmp6)
pf_send_icmp(m, r->return_icmp6 >> 8,
r->return_icmp6 & 255, af, r);
if (r->action == PF_DROP)
return (PF_DROP);
- if (pf_tag_packet(m, pd->pf_mtag, tag, rtableid)) {
+ /* prepare state key, for flowhash and/or the state (if created) */
+ bzero(&psk, sizeof (psk));
+ psk.proto = pd->proto;
+ psk.direction = direction;
+ psk.af = af;
+ if (pd->proto == IPPROTO_UDP) {
+ if (ntohs(pd->hdr.udp->uh_sport) == PF_IKE_PORT &&
+ ntohs(pd->hdr.udp->uh_dport) == PF_IKE_PORT) {
+ psk.proto_variant = PF_EXTFILTER_APD;
+ } else {
+ psk.proto_variant = nr ? nr->extfilter : r->extfilter;
+ if (psk.proto_variant < PF_EXTFILTER_APD)
+ psk.proto_variant = PF_EXTFILTER_APD;
+ }
+ } else if (pd->proto == IPPROTO_GRE) {
+ psk.proto_variant = pd->proto_variant;
+ }
+ if (direction == PF_OUT) {
+ PF_ACPY(&psk.gwy.addr, saddr, af);
+ PF_ACPY(&psk.ext.addr, daddr, af);
+ switch (pd->proto) {
+ case IPPROTO_UDP:
+ psk.gwy.xport = sxport;
+ psk.ext.xport = dxport;
+ break;
+ case IPPROTO_ESP:
+ psk.gwy.xport.spi = 0;
+ psk.ext.xport.spi = pd->hdr.esp->spi;
+ break;
+ case IPPROTO_ICMP:
+#if INET6
+ case IPPROTO_ICMPV6:
+#endif
+ psk.gwy.xport.port = nxport.port;
+ psk.ext.xport.spi = 0;
+ break;
+ default:
+ psk.gwy.xport = sxport;
+ psk.ext.xport = dxport;
+ break;
+ }
+ if (nr != NULL) {
+ PF_ACPY(&psk.lan.addr, &pd->baddr, af);
+ psk.lan.xport = bxport;
+ } else {
+ PF_ACPY(&psk.lan.addr, &psk.gwy.addr, af);
+ psk.lan.xport = psk.gwy.xport;
+ }
+ } else {
+ PF_ACPY(&psk.lan.addr, daddr, af);
+ PF_ACPY(&psk.ext.addr, saddr, af);
+ switch (pd->proto) {
+ case IPPROTO_ICMP:
+#if INET6
+ case IPPROTO_ICMPV6:
+#endif
+ psk.lan.xport = nxport;
+ psk.ext.xport.spi = 0;
+ break;
+ case IPPROTO_ESP:
+ psk.ext.xport.spi = 0;
+ psk.lan.xport.spi = pd->hdr.esp->spi;
+ break;
+ default:
+ psk.lan.xport = dxport;
+ psk.ext.xport = sxport;
+ break;
+ }
+ if (nr != NULL) {
+ PF_ACPY(&psk.gwy.addr, &pd->baddr, af);
+ psk.gwy.xport = bxport;
+ } else {
+ PF_ACPY(&psk.gwy.addr, &psk.lan.addr, af);
+ psk.gwy.xport = psk.lan.xport;
+ }
+ }
+ if (pd->flowhash != 0) {
+ /* flowhash was already computed by upper layers */
+ psk.flowhash = pd->flowhash;
+ } else {
+ psk.flowhash = pf_calc_state_key_flowhash(&psk);
+ pd->flowhash = psk.flowhash;
+ }
+
+ if (pf_tag_packet(m, pd->pf_mtag, tag, rtableid, pd)) {
REASON_SET(&reason, PFRES_MEMORY);
return (PF_DROP);
}
struct pf_state *s = NULL;
struct pf_state_key *sk = NULL;
struct pf_src_node *sn = NULL;
-#ifndef NO_APPLE_EXTENSIONS
struct pf_ike_hdr ike;
if (pd->proto == IPPROTO_UDP) {
struct udphdr *uh = pd->hdr.udp;
size_t plen = m->m_pkthdr.len - off - sizeof (*uh);
- if (uh->uh_sport == PF_IKE_PORT &&
- uh->uh_dport == PF_IKE_PORT &&
+ if (ntohs(uh->uh_sport) == PF_IKE_PORT &&
+ ntohs(uh->uh_dport) == PF_IKE_PORT &&
plen >= PF_IKE_PACKET_MINSIZE) {
if (plen > PF_IKE_PACKET_MINSIZE)
plen = PF_IKE_PACKET_MINSIZE;
goto cleanup;
}
}
-#endif
/* check maximums */
if (r->max_states && (r->states >= r->max_states)) {
/* src node for translation rule */
if (nr != NULL && (nr->rpool.opts & PF_POOL_STICKYADDR) &&
((direction == PF_OUT &&
-#ifndef NO_APPLE_EXTENSIONS
nr->action != PF_RDR &&
-#endif
pf_insert_src_node(&nsn, nr, &pd->baddr, af) != 0) ||
(pf_insert_src_node(&nsn, nr, saddr, af) != 0))) {
REASON_SET(&reason, PFRES_SRCLIMIT);
pool_put(&pf_src_tree_pl, nsn);
}
if (sk != NULL) {
-#ifndef NO_APPLE_EXTENSIONS
if (sk->app_state)
pool_put(&pf_app_state_pl,
sk->app_state);
-#endif
pool_put(&pf_state_key_pl, sk);
}
return (PF_DROP);
}
bzero(s, sizeof (*s));
-#ifndef NO_APPLE_EXTENSIONS
TAILQ_INIT(&s->unlink_hooks);
-#endif
s->rule.ptr = r;
s->nat_rule.ptr = nr;
- if (nr && nr->action == PF_RDR && direction == PF_OUT)
- s->anchor.ptr = a;
+ s->anchor.ptr = a;
STATE_INC_COUNTERS(s);
s->allow_opts = r->allow_opts;
s->log = r->log & PF_LOG_ALL;
#endif
s->timeout = PFTM_ICMP_FIRST_PACKET;
break;
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_GRE:
s->src.state = PFGRE1S_INITIATING;
s->dst.state = PFGRE1S_NO_TRAFFIC;
s->dst.state = PFESPS_NO_TRAFFIC;
s->timeout = PFTM_ESP_FIRST_PACKET;
break;
-#endif
default:
s->src.state = PFOTHERS_SINGLE;
s->dst.state = PFOTHERS_NO_TRAFFIC;
if (sn != NULL) {
s->src_node = sn;
s->src_node->states++;
+ VERIFY(s->src_node->states != 0);
}
if (nsn != NULL) {
PF_ACPY(&nsn->raddr, &pd->naddr, af);
s->nat_src_node = nsn;
s->nat_src_node->states++;
+ VERIFY(s->nat_src_node->states != 0);
}
if (pd->proto == IPPROTO_TCP) {
if ((pd->flags & PFDESC_TCP_NORM) &&
}
}
- if ((sk = pf_alloc_state_key(s)) == NULL) {
+ /* allocate state key and import values from psk */
+ if ((sk = pf_alloc_state_key(s, &psk)) == NULL) {
REASON_SET(&reason, PFRES_MEMORY);
goto cleanup;
}
- sk->proto = pd->proto;
- sk->direction = direction;
- sk->af = af;
-#ifndef NO_APPLE_EXTENSIONS
- if (pd->proto == IPPROTO_UDP) {
- if (pd->hdr.udp->uh_sport == PF_IKE_PORT &&
- pd->hdr.udp->uh_dport == PF_IKE_PORT) {
- sk->proto_variant = PF_EXTFILTER_APD;
- } else {
- sk->proto_variant = nr ? nr->extfilter :
- r->extfilter;
- if (sk->proto_variant < PF_EXTFILTER_APD)
- sk->proto_variant = PF_EXTFILTER_APD;
- }
- } else if (pd->proto == IPPROTO_GRE) {
- sk->proto_variant = pd->proto_variant;
- }
-#endif
- if (direction == PF_OUT) {
- PF_ACPY(&sk->gwy.addr, saddr, af);
- PF_ACPY(&sk->ext.addr, daddr, af);
- switch (pd->proto) {
-#ifndef NO_APPLE_EXTENSIONS
- case IPPROTO_UDP:
- sk->gwy.xport = sxport;
- sk->ext.xport = dxport;
- break;
- case IPPROTO_ESP:
- sk->gwy.xport.spi = 0;
- sk->ext.xport.spi = pd->hdr.esp->spi;
- break;
-#endif
- case IPPROTO_ICMP:
-#if INET6
- case IPPROTO_ICMPV6:
-#endif
-#ifndef NO_APPLE_EXTENSIONS
- sk->gwy.xport.port = nxport.port;
- sk->ext.xport.spi = 0;
-#else
- sk->gwy.port = nport;
- sk->ext.port = 0;
-#endif
- break;
- default:
-#ifndef NO_APPLE_EXTENSIONS
- sk->gwy.xport = sxport;
- sk->ext.xport = dxport;
- break;
-#else
- sk->gwy.port = sport;
- sk->ext.port = dport;
-#endif
- }
-#ifndef NO_APPLE_EXTENSIONS
- if (nr != NULL) {
- PF_ACPY(&sk->lan.addr, &pd->baddr, af);
- sk->lan.xport = bxport;
- } else {
- PF_ACPY(&sk->lan.addr, &sk->gwy.addr, af);
- sk->lan.xport = sk->gwy.xport;
- }
-#else
- if (nr != NULL) {
- PF_ACPY(&sk->lan.addr, &pd->baddr, af);
- sk->lan.port = bport;
- } else {
- PF_ACPY(&sk->lan.addr, &sk->gwy.addr, af);
- sk->lan.port = sk->gwy.port;
- }
-#endif
- } else {
- PF_ACPY(&sk->lan.addr, daddr, af);
- PF_ACPY(&sk->ext.addr, saddr, af);
- switch (pd->proto) {
- case IPPROTO_ICMP:
-#if INET6
- case IPPROTO_ICMPV6:
-#endif
-#ifndef NO_APPLE_EXTENSIONS
- sk->lan.xport = nxport;
- sk->ext.xport.spi = 0;
-#else
- sk->lan.port = nport;
- sk->ext.port = 0;
-#endif
- break;
-#ifndef NO_APPLE_EXTENSIONS
- case IPPROTO_ESP:
- sk->ext.xport.spi = 0;
- sk->lan.xport.spi = pd->hdr.esp->spi;
- break;
- default:
- sk->lan.xport = dxport;
- sk->ext.xport = sxport;
- break;
-#else
- default:
- sk->lan.port = dport;
- sk->ext.port = sport;
-#endif
- }
-#ifndef NO_APPLE_EXTENSIONS
- if (nr != NULL) {
- PF_ACPY(&sk->gwy.addr, &pd->baddr, af);
- sk->gwy.xport = bxport;
- } else {
- PF_ACPY(&sk->gwy.addr, &sk->lan.addr, af);
- sk->gwy.xport = sk->lan.xport;
- }
- }
-#else
- if (nr != NULL) {
- PF_ACPY(&sk->gwy.addr, &pd->baddr, af);
- sk->gwy.port = bport;
- } else {
- PF_ACPY(&sk->gwy.addr, &sk->lan.addr, af);
- sk->gwy.port = sk->lan.port;
- }
- }
-#endif
-
pf_set_rt_ifp(s, saddr); /* needs s->state_key set */
-#ifndef NO_APPLE_EXTENSIONS
m = pd->mp;
if (sk->app_state == 0) {
u_int16_t dport = (direction == PF_OUT) ?
sk->ext.xport.port : sk->gwy.xport.port;
- if (nr != NULL && dport == PF_PPTP_PORT) {
+ if (nr != NULL &&
+ ntohs(dport) == PF_PPTP_PORT) {
struct pf_app_state *as;
as = pool_get(&pf_app_state_pl,
case IPPROTO_UDP: {
struct udphdr *uh = pd->hdr.udp;
- if (nr != NULL && uh->uh_sport == PF_IKE_PORT &&
- uh->uh_dport == PF_IKE_PORT) {
+ if (nr != NULL &&
+ ntohs(uh->uh_sport) == PF_IKE_PORT &&
+ ntohs(uh->uh_dport) == PF_IKE_PORT) {
struct pf_app_state *as;
as = pool_get(&pf_app_state_pl,
break;
}
}
-#endif
if (pf_insert_state(BOUND_IFACE(r, kif), s)) {
if (pd->proto == IPPROTO_TCP)
r->keep_state == PF_STATE_SYNPROXY) {
s->src.state = PF_TCPS_PROXY_SRC;
if (nr != NULL) {
-#ifndef NO_APPLE_EXTENSIONS
if (direction == PF_OUT) {
pf_change_ap(direction, pd->mp, saddr,
&th->th_sport, pd->ip_sum,
bxport.port, 0, af);
sxport.port = th->th_dport;
}
-#else
- if (direction == PF_OUT) {
- pf_change_ap(saddr, &th->th_sport,
- pd->ip_sum, &th->th_sum, &pd->baddr,
- bport, 0, af);
- sport = th->th_sport;
- } else {
- pf_change_ap(daddr, &th->th_dport,
- pd->ip_sum, &th->th_sum, &pd->baddr,
- bport, 0, af);
- sport = th->th_dport;
- }
-#endif
}
s->src.seqhi = htonl(random());
/* Find mss option */
return (PF_SYNPROXY_DROP);
}
-#ifndef NO_APPLE_EXTENSIONS
if (sk->app_state && sk->app_state->handler) {
int offx = off;
m = pd->mp;
}
}
-#endif
}
/* copy back packet headers if we performed NAT operations */
-#ifndef NO_APPLE_EXTENSIONS
if (rewrite) {
if (rewrite < off + hdrlen)
rewrite = off + hdrlen;
m_copyback(m, off, hdrlen, pd->hdr.any);
}
-#else
- if (rewrite)
- m_copyback(m, off, hdrlen, pd->hdr.any);
-#endif
return (PF_PASS);
}
+#if DUMMYNET
+/*
+ * When pf_test_dummynet() returns PF_PASS, the rule matching parameter "rm"
+ * remains unchanged, meaning the packet did not match a dummynet rule.
+ * when the packet does match a dummynet rule, pf_test_dummynet() returns
+ * PF_PASS and zero out the mbuf rule as the packet is effectively siphoned
+ * out by dummynet.
+ */
+static int
+pf_test_dummynet(struct pf_rule **rm, int direction, struct pfi_kif *kif,
+ struct mbuf **m0, struct pf_pdesc *pd, struct ip_fw_args *fwa)
+{
+ struct mbuf *m = *m0;
+ struct pf_rule *am = NULL;
+ struct pf_ruleset *rsm = NULL;
+ struct pf_addr *saddr = pd->src, *daddr = pd->dst;
+ sa_family_t af = pd->af;
+ struct pf_rule *r, *a = NULL;
+ struct pf_ruleset *ruleset = NULL;
+ struct tcphdr *th = pd->hdr.tcp;
+ u_short reason;
+ int hdrlen = 0;
+ int tag = -1;
+ unsigned int rtableid = IFSCOPE_NONE;
+ int asd = 0;
+ int match = 0;
+ u_int8_t icmptype = 0, icmpcode = 0;
+ union pf_state_xport nxport, sxport, dxport;
+ struct ip_fw_args dnflow;
+ struct pf_rule *prev_matching_rule = fwa ? fwa->fwa_pf_rule : NULL;
+ int found_prev_rule = (prev_matching_rule) ? 0 : 1;
+
+ lck_mtx_assert(pf_lock, LCK_MTX_ASSERT_OWNED);
+
+ if (!DUMMYNET_LOADED)
+ return (PF_PASS);
+
+ if (TAILQ_EMPTY(pf_main_ruleset.rules[PF_RULESET_DUMMYNET].active.ptr)) {
+ return (PF_PASS);
+ }
+ bzero(&dnflow, sizeof(dnflow));
+
+ hdrlen = 0;
+ sxport.spi = 0;
+ dxport.spi = 0;
+ nxport.spi = 0;
+
+ /* Fragments don't gave protocol headers */
+ if (!(pd->flags & PFDESC_IP_FRAG))
+ switch (pd->proto) {
+ case IPPROTO_TCP:
+ dnflow.fwa_id.flags = pd->hdr.tcp->th_flags;
+ dnflow.fwa_id.dst_port = pd->hdr.tcp->th_dport;
+ dnflow.fwa_id.src_port = pd->hdr.tcp->th_sport;
+ sxport.port = pd->hdr.tcp->th_sport;
+ dxport.port = pd->hdr.tcp->th_dport;
+ hdrlen = sizeof (*th);
+ break;
+ case IPPROTO_UDP:
+ dnflow.fwa_id.dst_port = pd->hdr.udp->uh_dport;
+ dnflow.fwa_id.src_port = pd->hdr.udp->uh_sport;
+ sxport.port = pd->hdr.udp->uh_sport;
+ dxport.port = pd->hdr.udp->uh_dport;
+ hdrlen = sizeof (*pd->hdr.udp);
+ break;
+#if INET
+ case IPPROTO_ICMP:
+ if (pd->af != AF_INET)
+ break;
+ sxport.port = dxport.port = pd->hdr.icmp->icmp_id;
+ hdrlen = ICMP_MINLEN;
+ icmptype = pd->hdr.icmp->icmp_type;
+ icmpcode = pd->hdr.icmp->icmp_code;
+ break;
+#endif /* INET */
+#if INET6
+ case IPPROTO_ICMPV6:
+ if (pd->af != AF_INET6)
+ break;
+ sxport.port = dxport.port = pd->hdr.icmp6->icmp6_id;
+ hdrlen = sizeof (*pd->hdr.icmp6);
+ icmptype = pd->hdr.icmp6->icmp6_type;
+ icmpcode = pd->hdr.icmp6->icmp6_code;
+ break;
+#endif /* INET6 */
+ case IPPROTO_GRE:
+ if (pd->proto_variant == PF_GRE_PPTP_VARIANT) {
+ sxport.call_id = dxport.call_id =
+ pd->hdr.grev1->call_id;
+ hdrlen = sizeof (*pd->hdr.grev1);
+ }
+ break;
+ case IPPROTO_ESP:
+ sxport.spi = 0;
+ dxport.spi = pd->hdr.esp->spi;
+ hdrlen = sizeof (*pd->hdr.esp);
+ break;
+ }
+
+ r = TAILQ_FIRST(pf_main_ruleset.rules[PF_RULESET_DUMMYNET].active.ptr);
+
+ while (r != NULL) {
+ r->evaluations++;
+ if (pfi_kif_match(r->kif, kif) == r->ifnot)
+ r = r->skip[PF_SKIP_IFP].ptr;
+ else if (r->direction && r->direction != direction)
+ r = r->skip[PF_SKIP_DIR].ptr;
+ else if (r->af && r->af != af)
+ r = r->skip[PF_SKIP_AF].ptr;
+ else if (r->proto && r->proto != pd->proto)
+ r = r->skip[PF_SKIP_PROTO].ptr;
+ else if (PF_MISMATCHAW(&r->src.addr, saddr, af,
+ r->src.neg, kif))
+ r = r->skip[PF_SKIP_SRC_ADDR].ptr;
+ /* tcp/udp only. port_op always 0 in other cases */
+ else if (r->proto == pd->proto &&
+ (r->proto == IPPROTO_TCP || r->proto == IPPROTO_UDP) &&
+ ((pd->flags & PFDESC_IP_FRAG) ||
+ ((r->src.xport.range.op &&
+ !pf_match_port(r->src.xport.range.op,
+ r->src.xport.range.port[0], r->src.xport.range.port[1],
+ th->th_sport)))))
+ r = r->skip[PF_SKIP_SRC_PORT].ptr;
+ else if (PF_MISMATCHAW(&r->dst.addr, daddr, af,
+ r->dst.neg, NULL))
+ r = r->skip[PF_SKIP_DST_ADDR].ptr;
+ /* tcp/udp only. port_op always 0 in other cases */
+ else if (r->proto == pd->proto &&
+ (r->proto == IPPROTO_TCP || r->proto == IPPROTO_UDP) &&
+ r->dst.xport.range.op &&
+ ((pd->flags & PFDESC_IP_FRAG) ||
+ !pf_match_port(r->dst.xport.range.op,
+ r->dst.xport.range.port[0], r->dst.xport.range.port[1],
+ th->th_dport)))
+ r = r->skip[PF_SKIP_DST_PORT].ptr;
+ /* icmp only. type always 0 in other cases */
+ else if (r->type &&
+ ((pd->flags & PFDESC_IP_FRAG) ||
+ r->type != icmptype + 1))
+ r = TAILQ_NEXT(r, entries);
+ /* icmp only. type always 0 in other cases */
+ else if (r->code &&
+ ((pd->flags & PFDESC_IP_FRAG) ||
+ r->code != icmpcode + 1))
+ r = TAILQ_NEXT(r, entries);
+ else if (r->tos && !(r->tos == pd->tos))
+ r = TAILQ_NEXT(r, entries);
+ else if (r->rule_flag & PFRULE_FRAGMENT)
+ r = TAILQ_NEXT(r, entries);
+ else if (pd->proto == IPPROTO_TCP &&
+ ((pd->flags & PFDESC_IP_FRAG) ||
+ (r->flagset & th->th_flags) != r->flags))
+ r = TAILQ_NEXT(r, entries);
+ else if (r->match_tag && !pf_match_tag(m, r, pd->pf_mtag, &tag))
+ r = TAILQ_NEXT(r, entries);
+ else {
+ /*
+ * Need to go past the previous dummynet matching rule
+ */
+ if (r->anchor == NULL) {
+ if (found_prev_rule) {
+ if (r->tag)
+ tag = r->tag;
+ if (PF_RTABLEID_IS_VALID(r->rtableid))
+ rtableid = r->rtableid;
+ match = 1;
+ *rm = r;
+ am = a;
+ rsm = ruleset;
+ if ((*rm)->quick)
+ break;
+ } else if (r == prev_matching_rule) {
+ found_prev_rule = 1;
+ }
+ r = TAILQ_NEXT(r, entries);
+ } else {
+ pf_step_into_anchor(&asd, &ruleset,
+ PF_RULESET_DUMMYNET, &r, &a, &match);
+ }
+ }
+ if (r == NULL && pf_step_out_of_anchor(&asd, &ruleset,
+ PF_RULESET_DUMMYNET, &r, &a, &match))
+ break;
+ }
+ r = *rm;
+ a = am;
+ ruleset = rsm;
+
+ if (!match)
+ return (PF_PASS);
+
+ REASON_SET(&reason, PFRES_DUMMYNET);
+
+ if (r->log) {
+ PFLOG_PACKET(kif, h, m, af, direction, reason, r,
+ a, ruleset, pd);
+ }
+
+ if (r->action == PF_NODUMMYNET) {
+ int dirndx = (direction == PF_OUT);
+
+ r->packets[dirndx]++;
+ r->bytes[dirndx] += pd->tot_len;
+
+ return (PF_PASS);
+ }
+ if (pf_tag_packet(m, pd->pf_mtag, tag, rtableid, pd)) {
+ REASON_SET(&reason, PFRES_MEMORY);
+
+ return (PF_DROP);
+ }
+
+ if (r->dnpipe && ip_dn_io_ptr != NULL) {
+ int dirndx = (direction == PF_OUT);
+
+ r->packets[dirndx]++;
+ r->bytes[dirndx] += pd->tot_len;
+
+ dnflow.fwa_cookie = r->dnpipe;
+ dnflow.fwa_pf_rule = r;
+ dnflow.fwa_id.addr_type = (af == AF_INET) ? 4 : 6;
+ dnflow.fwa_id.proto = pd->proto;
+ dnflow.fwa_flags = r->dntype;
+
+ if (fwa != NULL) {
+ dnflow.fwa_oif = fwa->fwa_oif;
+ dnflow.fwa_oflags = fwa->fwa_oflags;
+ /*
+ * Note that fwa_ro, fwa_dst and fwa_ipoa are
+ * actually in a union so the following does work
+ * for both IPv4 and IPv6
+ */
+ dnflow.fwa_ro = fwa->fwa_ro;
+ dnflow.fwa_dst = fwa->fwa_dst;
+ dnflow.fwa_ipoa = fwa->fwa_ipoa;
+ dnflow.fwa_ro6_pmtu = fwa->fwa_ro6_pmtu;
+ dnflow.fwa_origifp = fwa->fwa_origifp;
+ dnflow.fwa_mtu = fwa->fwa_mtu;
+ dnflow.fwa_alwaysfrag = fwa->fwa_alwaysfrag;
+ dnflow.fwa_unfragpartlen = fwa->fwa_unfragpartlen;
+ dnflow.fwa_exthdrs = fwa->fwa_exthdrs;
+ }
+
+ if (af == AF_INET) {
+ struct ip *iphdr = mtod(m, struct ip *);
+ NTOHS(iphdr->ip_len);
+ NTOHS(iphdr->ip_off);
+ }
+ /*
+ * Don't need to unlock pf_lock as NET_THREAD_HELD_PF
+ * allows for recursive behavior
+ */
+ ip_dn_io_ptr(m,
+ dnflow.fwa_cookie,
+ af == AF_INET ?
+ direction == PF_IN ? DN_TO_IP_IN : DN_TO_IP_OUT :
+ direction == PF_IN ? DN_TO_IP6_IN : DN_TO_IP6_OUT,
+ &dnflow, DN_CLIENT_PF);
+
+ /*
+ * The packet is siphoned out by dummynet so return a NULL
+ * mbuf so the caller can still return success.
+ */
+ *m0 = NULL;
+
+ return (PF_PASS);
+ }
+
+ return (PF_PASS);
+}
+#endif /* DUMMYNET */
+
static int
pf_test_fragment(struct pf_rule **rm, int direction, struct pfi_kif *kif,
struct mbuf *m, void *h, struct pf_pdesc *pd, struct pf_rule **am,
else if (PF_MISMATCHAW(&r->dst.addr, pd->dst, af,
r->dst.neg, NULL))
r = r->skip[PF_SKIP_DST_ADDR].ptr;
- else if (r->tos && !(r->tos == pd->tos))
+ else if ((r->rule_flag & PFRULE_TOS) && r->tos &&
+ !(r->tos & pd->tos))
+ r = TAILQ_NEXT(r, entries);
+ else if ((r->rule_flag & PFRULE_DSCP) && r->tos &&
+ !(r->tos & (pd->tos & DSCP_MASK)))
+ r = TAILQ_NEXT(r, entries);
+ else if ((r->rule_flag & PFRULE_SC) && r->tos &&
+ ((r->tos & SCIDX_MASK) != pd->sc))
r = TAILQ_NEXT(r, entries);
else if (r->os_fingerprint != PF_OSFP_ANY)
r = TAILQ_NEXT(r, entries);
-#ifndef NO_APPLE_EXTENSIONS
else if (pd->proto == IPPROTO_UDP &&
(r->src.xport.range.op || r->dst.xport.range.op))
r = TAILQ_NEXT(r, entries);
(r->src.xport.range.op || r->dst.xport.range.op ||
r->flagset))
r = TAILQ_NEXT(r, entries);
-#else
- else if (pd->proto == IPPROTO_UDP &&
- (r->src.port_op || r->dst.port_op))
- r = TAILQ_NEXT(r, entries);
- else if (pd->proto == IPPROTO_TCP &&
- (r->src.port_op || r->dst.port_op || r->flagset))
- r = TAILQ_NEXT(r, entries);
-#endif
else if ((pd->proto == IPPROTO_ICMP ||
pd->proto == IPPROTO_ICMPV6) &&
(r->type || r->code))
if (r->action != PF_PASS)
return (PF_DROP);
- if (pf_tag_packet(m, pd->pf_mtag, tag, -1)) {
+ if (pf_tag_packet(m, pd->pf_mtag, tag, -1, NULL)) {
REASON_SET(&reason, PFRES_MEMORY);
return (PF_DROP);
}
return (PF_PASS);
}
-#ifndef NO_APPLE_EXTENSIONS
static void
pf_pptp_handler(struct pf_state *s, int direction, int off,
struct pf_pdesc *pd, struct pfi_kif *kif)
{
#pragma unused(direction)
struct tcphdr *th;
- struct pf_pptp_state *as;
+ struct pf_pptp_state *pptps;
struct pf_pptp_ctrl_msg cm;
size_t plen;
struct pf_state *gs;
struct mbuf *m;
struct pf_state_key *sk;
struct pf_state_key *gsk;
+ struct pf_app_state *gas;
+
+ sk = s->state_key;
+ pptps = &sk->app_state->u.pptp;
+ gs = pptps->grev1_state;
+
+ if (gs)
+ gs->expire = pf_time_second();
m = pd->mp;
plen = min(sizeof (cm), m->m_pkthdr.len - off);
if (plen < PF_PPTP_CTRL_MSG_MINSIZE)
return;
- as = &s->state_key->app_state->u.pptp;
m_copydata(m, off, plen, &cm);
- if (cm.hdr.magic != PF_PPTP_MAGIC_NUMBER)
+ if (ntohl(cm.hdr.magic) != PF_PPTP_MAGIC_NUMBER)
return;
- if (cm.hdr.type != htons(1))
+ if (ntohs(cm.hdr.type) != 1)
return;
- sk = s->state_key;
- gs = as->grev1_state;
if (!gs) {
gs = pool_get(&pf_state_pl, PR_WAITOK);
if (!gs)
gs->src.state = gs->dst.state = PFGRE1S_NO_TRAFFIC;
gs->src.scrub = gs->dst.scrub = 0;
- gsk = pf_alloc_state_key(gs);
+ gas = pool_get(&pf_app_state_pl, PR_NOWAIT);
+ if (!gas) {
+ pool_put(&pf_state_pl, gs);
+ return;
+ }
+
+ gsk = pf_alloc_state_key(gs, NULL);
if (!gsk) {
+ pool_put(&pf_app_state_pl, gas);
pool_put(&pf_state_pl, gs);
return;
}
gsk->af = sk->af;
gsk->proto = IPPROTO_GRE;
gsk->proto_variant = PF_GRE_PPTP_VARIANT;
- gsk->app_state = 0;
+ gsk->app_state = gas;
gsk->lan.xport.call_id = 0;
gsk->gwy.xport.call_id = 0;
gsk->ext.xport.call_id = 0;
-
- as->grev1_state = gs;
+ gsk->flowhash = pf_calc_state_key_flowhash(gsk);
+ memset(gas, 0, sizeof (*gas));
+ gas->u.grev1.pptp_state = s;
+ STATE_INC_COUNTERS(gs);
+ pptps->grev1_state = gs;
+ (void) hook_establish(&gs->unlink_hooks, 0,
+ (hook_fn_t) pf_grev1_unlink, gs);
} else {
gsk = gs->state_key;
}
}
m = pf_lazy_makewritable(pd, m, off + plen);
- if (!m)
+ if (!m) {
+ pptps->grev1_state = NULL;
+ STATE_DEC_COUNTERS(gs);
+ pool_put(&pf_state_pl, gs);
return;
+ }
m_copyback(m, off, plen, &cm);
}
case PF_PPTP_INSERT_GRE:
gs->creation = pf_time_second();
gs->expire = pf_time_second();
- gs->timeout = PFTM_GREv1_FIRST_PACKET;
- if (gs->src_node) ++gs->src_node->states;
- if (gs->nat_src_node) ++gs->nat_src_node->states;
+ gs->timeout = PFTM_TCP_ESTABLISHED;
+ if (gs->src_node != NULL) {
+ ++gs->src_node->states;
+ VERIFY(gs->src_node->states != 0);
+ }
+ if (gs->nat_src_node != NULL) {
+ ++gs->nat_src_node->states;
+ VERIFY(gs->nat_src_node->states != 0);
+ }
pf_set_rt_ifp(gs, &sk->lan.addr);
if (pf_insert_state(BOUND_IFACE(s->rule.ptr, kif), gs)) {
* succeed. Failures are expected to be rare enough
* that fixing this is a low priority.
*/
-
+ pptps->grev1_state = NULL;
+ pd->lmw = -1; /* Force PF_DROP on PFRES_MEMORY */
pf_src_tree_remove_state(gs);
STATE_DEC_COUNTERS(gs);
pool_put(&pf_state_pl, gs);
pf_pptp_unlink(struct pf_state *s)
{
struct pf_app_state *as = s->state_key->app_state;
- struct pf_state *gs = as->u.pptp.grev1_state;
+ struct pf_state *grev1s = as->u.pptp.grev1_state;
+
+ if (grev1s) {
+ struct pf_app_state *gas = grev1s->state_key->app_state;
+
+ if (grev1s->timeout < PFTM_MAX)
+ grev1s->timeout = PFTM_PURGE;
+ gas->u.grev1.pptp_state = NULL;
+ as->u.pptp.grev1_state = NULL;
+ }
+}
+
+static void
+pf_grev1_unlink(struct pf_state *s)
+{
+ struct pf_app_state *as = s->state_key->app_state;
+ struct pf_state *pptps = as->u.grev1.pptp_state;
+
+ if (pptps) {
+ struct pf_app_state *pas = pptps->state_key->app_state;
- if (gs) {
- if (gs->timeout < PFTM_MAX)
- gs->timeout = PFTM_PURGE;
- as->u.pptp.grev1_state = 0;
+ pas->u.pptp.grev1_state = NULL;
+ as->u.grev1.pptp_state = NULL;
}
}
int64_t d = a->u.ike.cookie - b->u.ike.cookie;
return ((d > 0) ? 1 : ((d < 0) ? -1 : 0));
}
-#endif
static int
pf_test_state_tcp(struct pf_state **state, int direction, struct pfi_kif *kif,
int copyback = 0;
struct pf_state_peer *src, *dst;
-#ifndef NO_APPLE_EXTENSIONS
key.app_state = 0;
-#endif
key.af = pd->af;
key.proto = IPPROTO_TCP;
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd->src, key.af);
PF_ACPY(&key.gwy.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = th->th_sport;
key.gwy.xport.port = th->th_dport;
-#else
- key.ext.port = th->th_sport;
- key.gwy.port = th->th_dport;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd->src, key.af);
PF_ACPY(&key.ext.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = th->th_sport;
key.ext.xport.port = th->th_dport;
-#else
- key.lan.port = th->th_sport;
- key.ext.port = th->th_dport;
-#endif
}
STATE_LOOKUP();
if ((*state)->dst.seqhi == 1)
(*state)->dst.seqhi = htonl(random());
pf_send_tcp((*state)->rule.ptr, pd->af, &psrc->addr,
-#ifndef NO_APPLE_EXTENSIONS
&pdst->addr, psrc->xport.port, pdst->xport.port,
-#else
- &pdst->addr, psrc->port, pdst->port,
-#endif
(*state)->dst.seqhi, 0, TH_SYN, 0,
(*state)->src.mss, 0, 0, (*state)->tag, NULL, NULL);
REASON_SET(reason, PFRES_SYNPROXY);
TH_ACK, (*state)->src.max_win, 0, 0, 0,
(*state)->tag, NULL, NULL);
pf_send_tcp((*state)->rule.ptr, pd->af, &psrc->addr,
-#ifndef NO_APPLE_EXTENSIONS
&pdst->addr, psrc->xport.port, pdst->xport.port,
-#else
- &pdst->addr, psrc->port, pdst->port,
-#endif
(*state)->src.seqhi + 1, (*state)->src.seqlo + 1,
TH_ACK, (*state)->dst.max_win, 0, 0, 1,
0, NULL, NULL);
>> sws;
dws = dst->wscale & PF_WSCALE_MASK;
} else {
- /* fixup other window */
- dst->max_win <<= dst->wscale &
- PF_WSCALE_MASK;
+ /*
+ * Window scale negotiation has failed,
+ * therefore we must restore the window
+ * scale in the state record that we
+ * optimistically removed in
+ * pf_test_rule(). Care is required to
+ * prevent arithmetic overflow from
+ * zeroing the window when it's
+ * truncated down to 16-bits.
+ */
+ u_int32_t max_win = dst->max_win;
+ max_win <<=
+ dst->wscale & PF_WSCALE_MASK;
+ dst->max_win = MIN(0xffff, max_win);
/* in case of a retrans SYN|ACK */
dst->wscale = 0;
}
* after establishment)
*/
if (src->seqhi == 1 ||
- SEQ_GEQ(end + MAX(1, dst->max_win << dws), src->seqhi))
- src->seqhi = end + MAX(1, dst->max_win << dws);
+ SEQ_GEQ(end + MAX(1, (u_int32_t)dst->max_win << dws),
+ src->seqhi))
+ src->seqhi = end + MAX(1, (u_int32_t)dst->max_win << dws);
if (win > src->max_win)
src->max_win = win;
* options anyway.
*/
if (dst->seqdiff && (th->th_off << 2) > (int)sizeof (struct tcphdr)) {
-#ifndef NO_APPLE_EXTENSIONS
copyback = pf_modulate_sack(m, off, pd, th, dst);
if (copyback == -1) {
REASON_SET(reason, PFRES_MEMORY);
}
m = pd->mp;
-#else
- if (pf_modulate_sack(m, off, pd, th, dst))
- copyback = 1;
-#endif
}
#define MAXACKWINDOW (0xffff + 1500) /* 1500 is an arbitrary fudge factor */
if (SEQ_GEQ(src->seqhi, end) &&
/* Last octet inside other's window space */
- SEQ_GEQ(seq, src->seqlo - (dst->max_win << dws)) &&
+ SEQ_GEQ(seq, src->seqlo - ((u_int32_t)dst->max_win << dws)) &&
/* Retrans: not more than one window back */
(ackskew >= -MAXACKWINDOW) &&
/* Acking not more than one reassembled fragment backwards */
*state, src, dst, ©back))
return (PF_DROP);
-#ifndef NO_APPLE_EXTENSIONS
m = pd->mp;
-#endif
}
/* update max window */
if (SEQ_GT(end, src->seqlo))
src->seqlo = end;
/* slide the window of what the other end can send */
- if (SEQ_GEQ(ack + (win << sws), dst->seqhi))
- dst->seqhi = ack + MAX((win << sws), 1);
-
+ if (SEQ_GEQ(ack + ((u_int32_t)win << sws), dst->seqhi))
+ dst->seqhi = ack + MAX(((u_int32_t)win << sws), 1);
/* update states */
if (th->th_flags & TH_SYN)
if (pf_normalize_tcp_stateful(m, off, pd, reason, th,
*state, src, dst, ©back))
return (PF_DROP);
-#ifndef NO_APPLE_EXTENSIONS
m = pd->mp;
-#endif
}
/* update max window */
if (SEQ_GT(end, src->seqlo))
src->seqlo = end;
/* slide the window of what the other end can send */
- if (SEQ_GEQ(ack + (win << sws), dst->seqhi))
- dst->seqhi = ack + MAX((win << sws), 1);
+ if (SEQ_GEQ(ack + ((u_int32_t)win << sws), dst->seqhi))
+ dst->seqhi = ack + MAX(((u_int32_t)win << sws), 1);
/*
* Cannot set dst->seqhi here since this could be a shotgunned
"fwd" : "rev");
printf("pf: State failure on: %c %c %c %c | %c %c\n",
SEQ_GEQ(src->seqhi, end) ? ' ' : '1',
- SEQ_GEQ(seq, src->seqlo - (dst->max_win << dws)) ?
+ SEQ_GEQ(seq,
+ src->seqlo - ((u_int32_t)dst->max_win << dws)) ?
' ': '2',
(ackskew >= -MAXACKWINDOW) ? ' ' : '3',
(ackskew <= (MAXACKWINDOW << sws)) ? ' ' : '4',
/* Any packets which have gotten here are to be passed */
-#ifndef NO_APPLE_EXTENSIONS
if ((*state)->state_key->app_state &&
(*state)->state_key->app_state->handler) {
(*state)->state_key->app_state->handler(*state, direction,
/* Copyback sequence modulation or stateful scrub changes */
m_copyback(m, off, sizeof (*th), th);
}
-#else
- /* translate source/destination address, if necessary */
- if (STATE_TRANSLATE((*state)->state_key)) {
- if (direction == PF_OUT)
- pf_change_ap(pd->src, pd->mp, &th->th_sport, pd->ip_sum,
- &th->th_sum, &(*state)->state_key->gwy.addr,
- (*state)->state_key->gwy.port, 0, pd->af);
- else
- pf_change_ap(pd->dst, pd->mp, &th->th_dport, pd->ip_sum,
- &th->th_sum, &(*state)->state_key->lan.addr,
- (*state)->state_key->lan.port, 0, pd->af);
- m_copyback(m, off, sizeof (*th), th);
- } else if (copyback) {
- /* Copyback sequence modulation or stateful scrub changes */
- m_copyback(m, off, sizeof (*th), th);
- }
-#endif
return (PF_PASS);
}
static int
pf_test_state_udp(struct pf_state **state, int direction, struct pfi_kif *kif,
- struct mbuf *m, int off, void *h, struct pf_pdesc *pd)
+ struct mbuf *m, int off, void *h, struct pf_pdesc *pd, u_short *reason)
{
#pragma unused(h)
struct pf_state_peer *src, *dst;
struct pf_state_key_cmp key;
struct udphdr *uh = pd->hdr.udp;
-#ifndef NO_APPLE_EXTENSIONS
struct pf_app_state as;
int dx, action, extfilter;
key.app_state = 0;
key.proto_variant = PF_EXTFILTER_APD;
-#endif
key.af = pd->af;
key.proto = IPPROTO_UDP;
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd->src, key.af);
PF_ACPY(&key.gwy.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = uh->uh_sport;
key.gwy.xport.port = uh->uh_dport;
dx = PF_IN;
-#else
- key.ext.port = uh->uh_sport;
- key.gwy.port = uh->uh_dport;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd->src, key.af);
PF_ACPY(&key.ext.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = uh->uh_sport;
key.ext.xport.port = uh->uh_dport;
dx = PF_OUT;
-#else
- key.lan.port = uh->uh_sport;
- key.ext.port = uh->uh_dport;
-#endif
}
-#ifndef NO_APPLE_EXTENSIONS
- if (uh->uh_sport == PF_IKE_PORT && uh->uh_dport == PF_IKE_PORT) {
+ if (ntohs(uh->uh_sport) == PF_IKE_PORT &&
+ ntohs(uh->uh_dport) == PF_IKE_PORT) {
struct pf_ike_hdr ike;
size_t plen = m->m_pkthdr.len - off - sizeof (*uh);
if (plen < PF_IKE_PACKET_MINSIZE) {
*state = pf_find_state(kif, &key, dx);
}
+ if ((*state) != NULL && pd != NULL &&
+ pd->flowhash == 0)
+ pd->flowhash = (*state)->state_key->flowhash;
+
if (pf_state_lookup_aux(state, kif, direction, &action))
return (action);
-#else
- STATE_LOOKUP();
-#endif
if (direction == (*state)->state_key->direction) {
src = &(*state)->src;
else
(*state)->timeout = PFTM_UDP_SINGLE;
-#ifndef NO_APPLE_EXTENSIONS
extfilter = (*state)->state_key->proto_variant;
if (extfilter > PF_EXTFILTER_APD) {
(*state)->state_key->ext.xport.port = key.ext.xport.port;
(*state)->state_key->app_state->handler) {
(*state)->state_key->app_state->handler(*state, direction,
off + uh->uh_ulen, pd, kif);
+ if (pd->lmw < 0) {
+ REASON_SET(reason, PFRES_MEMORY);
+ return (PF_DROP);
+ }
m = pd->mp;
}
-#endif
/* translate source/destination address, if necessary */
-#ifndef NO_APPLE_EXTENSIONS
if (STATE_TRANSLATE((*state)->state_key)) {
m = pf_lazy_makewritable(pd, m, off + sizeof (*uh));
- if (!m)
+ if (!m) {
+ REASON_SET(reason, PFRES_MEMORY);
return (PF_DROP);
+ }
if (direction == PF_OUT)
pf_change_ap(direction, pd->mp, pd->src, &uh->uh_sport,
(*state)->state_key->lan.xport.port, 1, pd->af);
m_copyback(m, off, sizeof (*uh), uh);
}
-#else
- if (STATE_TRANSLATE((*state)->state_key)) {
- if (direction == PF_OUT)
- pf_change_ap(pd->src, &uh->uh_sport, pd->ip_sum,
- &uh->uh_sum, &(*state)->state_key->gwy.addr,
- (*state)->state_key->gwy.port, 1, pd->af);
- else
- pf_change_ap(pd->dst, &uh->uh_dport, pd->ip_sum,
- &uh->uh_sum, &(*state)->state_key->lan.addr,
- (*state)->state_key->lan.port, 1, pd->af);
- m_copyback(m, off, sizeof (*uh), uh);
- }
-#endif
return (PF_PASS);
}
int state_icmp = 0;
struct pf_state_key_cmp key;
-#ifndef NO_APPLE_EXTENSIONS
struct pf_app_state as;
key.app_state = 0;
-#endif
switch (pd->proto) {
#if INET
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd->src, key.af);
PF_ACPY(&key.gwy.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = 0;
key.gwy.xport.port = icmpid;
-#else
- key.ext.port = 0;
- key.gwy.port = icmpid;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd->src, key.af);
PF_ACPY(&key.ext.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = icmpid;
key.ext.xport.port = 0;
-#else
- key.lan.port = icmpid;
- key.ext.port = 0;
-#endif
}
STATE_LOOKUP();
pf_change_a(&saddr->v4.s_addr,
pd->ip_sum,
(*state)->state_key->gwy.addr.v4.s_addr, 0);
-#ifndef NO_APPLE_EXTENSIONS
pd->hdr.icmp->icmp_cksum =
pf_cksum_fixup(
pd->hdr.icmp->icmp_cksum, icmpid,
off + ICMP_MINLEN);
if (!m)
return (PF_DROP);
-#else
- pd->hdr.icmp->icmp_cksum =
- pf_cksum_fixup(
- pd->hdr.icmp->icmp_cksum, icmpid,
- (*state)->state_key->gwy.port, 0);
- pd->hdr.icmp->icmp_id =
- (*state)->state_key->gwy.port;
-#endif
m_copyback(m, off, ICMP_MINLEN,
pd->hdr.icmp);
break;
pf_change_a6(saddr,
&pd->hdr.icmp6->icmp6_cksum,
&(*state)->state_key->gwy.addr, 0);
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m,
off + sizeof (struct icmp6_hdr));
if (!m)
return (PF_DROP);
-#endif
m_copyback(m, off,
sizeof (struct icmp6_hdr),
pd->hdr.icmp6);
pf_change_a(&daddr->v4.s_addr,
pd->ip_sum,
(*state)->state_key->lan.addr.v4.s_addr, 0);
-#ifndef NO_APPLE_EXTENSIONS
pd->hdr.icmp->icmp_cksum =
pf_cksum_fixup(
pd->hdr.icmp->icmp_cksum, icmpid,
off + ICMP_MINLEN);
if (!m)
return (PF_DROP);
-#else
- pd->hdr.icmp->icmp_cksum =
- pf_cksum_fixup(
- pd->hdr.icmp->icmp_cksum, icmpid,
- (*state)->state_key->lan.port, 0);
- pd->hdr.icmp->icmp_id =
- (*state)->state_key->lan.port;
-#endif
m_copyback(m, off, ICMP_MINLEN,
pd->hdr.icmp);
break;
pf_change_a6(daddr,
&pd->hdr.icmp6->icmp6_cksum,
&(*state)->state_key->lan.addr, 0);
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m,
off + sizeof (struct icmp6_hdr));
if (!m)
return (PF_DROP);
-#endif
m_copyback(m, off,
sizeof (struct icmp6_hdr),
pd->hdr.icmp6);
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd2.dst, key.af);
PF_ACPY(&key.gwy.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = th.th_dport;
key.gwy.xport.port = th.th_sport;
-#else
- key.ext.port = th.th_dport;
- key.gwy.port = th.th_sport;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd2.dst, key.af);
PF_ACPY(&key.ext.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = th.th_dport;
key.ext.xport.port = th.th_sport;
-#else
- key.lan.port = th.th_dport;
- key.ext.port = th.th_sport;
-#endif
}
STATE_LOOKUP();
}
if (!SEQ_GEQ(src->seqhi, seq) ||
- !SEQ_GEQ(seq, src->seqlo - (dst->max_win << dws))) {
+ !SEQ_GEQ(seq,
+ src->seqlo - ((u_int32_t)dst->max_win << dws))) {
if (pf_status.debug >= PF_DEBUG_MISC) {
printf("pf: BAD ICMP %d:%d ",
icmptype, pd->hdr.icmp->icmp_code);
if (direction == PF_IN) {
pf_change_icmp(pd2.src, &th.th_sport,
daddr, &(*state)->state_key->lan.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->lan.xport.port, NULL,
-#else
- (*state)->state_key->lan.port, NULL,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 0, pd2.af);
} else {
pf_change_icmp(pd2.dst, &th.th_dport,
saddr, &(*state)->state_key->gwy.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->gwy.xport.port, NULL,
-#else
- (*state)->state_key->gwy.port, NULL,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 0, pd2.af);
}
}
if (copyback) {
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m, off2 + 8);
if (!m)
return (PF_DROP);
-#endif
switch (pd2.af) {
#if INET
case AF_INET:
}
case IPPROTO_UDP: {
struct udphdr uh;
-#ifndef NO_APPLE_EXTENSIONS
int dx, action;
-#endif
if (!pf_pull_hdr(m, off2, &uh, sizeof (uh),
NULL, reason, pd2.af)) {
DPFPRINTF(PF_DEBUG_MISC,
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd2.dst, key.af);
PF_ACPY(&key.gwy.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = uh.uh_dport;
key.gwy.xport.port = uh.uh_sport;
dx = PF_IN;
-#else
- key.ext.port = uh.uh_dport;
- key.gwy.port = uh.uh_sport;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd2.dst, key.af);
PF_ACPY(&key.ext.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = uh.uh_dport;
key.ext.xport.port = uh.uh_sport;
dx = PF_OUT;
-#else
- key.lan.port = uh.uh_dport;
- key.ext.port = uh.uh_sport;
-#endif
}
-#ifndef NO_APPLE_EXTENSIONS
key.proto_variant = PF_EXTFILTER_APD;
- if (uh.uh_sport == PF_IKE_PORT &&
- uh.uh_dport == PF_IKE_PORT) {
+ if (ntohs(uh.uh_sport) == PF_IKE_PORT &&
+ ntohs(uh.uh_dport) == PF_IKE_PORT) {
struct pf_ike_hdr ike;
size_t plen =
m->m_pkthdr.len - off2 - sizeof (uh);
*state = pf_find_state(kif, &key, dx);
}
+ if (*state != NULL && pd != NULL &&
+ pd->flowhash == 0)
+ pd->flowhash = (*state)->state_key->flowhash;
+
if (pf_state_lookup_aux(state, kif, direction, &action))
return (action);
-#else
- STATE_LOOKUP();
-#endif
if (STATE_TRANSLATE((*state)->state_key)) {
if (direction == PF_IN) {
pf_change_icmp(pd2.src, &uh.uh_sport,
daddr, &(*state)->state_key->lan.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->lan.xport.port, &uh.uh_sum,
-#else
- (*state)->state_key->lan.port, &uh.uh_sum,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 1, pd2.af);
} else {
pf_change_icmp(pd2.dst, &uh.uh_dport,
saddr, &(*state)->state_key->gwy.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->gwy.xport.port, &uh.uh_sum,
-#else
- (*state)->state_key->gwy.port, &uh.uh_sum,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 1, pd2.af);
}
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m,
off2 + sizeof (uh));
if (!m)
return (PF_DROP);
-#endif
switch (pd2.af) {
#if INET
case AF_INET:
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd2.dst, key.af);
PF_ACPY(&key.gwy.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = 0;
key.gwy.xport.port = iih.icmp_id;
-#else
- key.ext.port = 0;
- key.gwy.port = iih.icmp_id;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd2.dst, key.af);
PF_ACPY(&key.ext.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = iih.icmp_id;
key.ext.xport.port = 0;
-#else
- key.lan.port = iih.icmp_id;
- key.ext.port = 0;
-#endif
}
STATE_LOOKUP();
if (direction == PF_IN) {
pf_change_icmp(pd2.src, &iih.icmp_id,
daddr, &(*state)->state_key->lan.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->lan.xport.port, NULL,
-#else
- (*state)->state_key->lan.port, NULL,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 0, AF_INET);
} else {
pf_change_icmp(pd2.dst, &iih.icmp_id,
saddr, &(*state)->state_key->gwy.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->gwy.xport.port, NULL,
-#else
- (*state)->state_key->gwy.port, NULL,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 0, AF_INET);
}
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m, off2 + ICMP_MINLEN);
if (!m)
return (PF_DROP);
-#endif
m_copyback(m, off, ICMP_MINLEN, pd->hdr.icmp);
m_copyback(m, ipoff2, sizeof (h2), &h2);
m_copyback(m, off2, ICMP_MINLEN, &iih);
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd2.dst, key.af);
PF_ACPY(&key.gwy.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = 0;
key.gwy.xport.port = iih.icmp6_id;
-#else
- key.ext.port = 0;
- key.gwy.port = iih.icmp6_id;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd2.dst, key.af);
PF_ACPY(&key.ext.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = iih.icmp6_id;
key.ext.xport.port = 0;
-#else
- key.lan.port = iih.icmp6_id;
- key.ext.port = 0;
-#endif
}
STATE_LOOKUP();
if (direction == PF_IN) {
pf_change_icmp(pd2.src, &iih.icmp6_id,
daddr, &(*state)->state_key->lan.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->lan.xport.port, NULL,
-#else
- (*state)->state_key->lan.port, NULL,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 0, AF_INET6);
} else {
pf_change_icmp(pd2.dst, &iih.icmp6_id,
saddr, &(*state)->state_key->gwy.addr,
-#ifndef NO_APPLE_EXTENSIONS
(*state)->state_key->gwy.xport.port, NULL,
-#else
- (*state)->state_key->gwy.port, NULL,
-#endif
pd2.ip_sum, icmpsum,
pd->ip_sum, 0, AF_INET6);
}
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m, off2 +
sizeof (struct icmp6_hdr));
if (!m)
return (PF_DROP);
-#endif
m_copyback(m, off, sizeof (struct icmp6_hdr),
pd->hdr.icmp6);
m_copyback(m, ipoff2, sizeof (h2_6), &h2_6);
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd2.dst, key.af);
PF_ACPY(&key.gwy.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = 0;
key.gwy.xport.port = 0;
-#else
- key.ext.port = 0;
- key.gwy.port = 0;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd2.dst, key.af);
PF_ACPY(&key.ext.addr, pd2.src, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = 0;
key.ext.xport.port = 0;
-#else
- key.lan.port = 0;
- key.ext.port = 0;
-#endif
}
STATE_LOOKUP();
switch (pd2.af) {
#if INET
case AF_INET:
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m,
ipoff2 + sizeof (h2));
if (!m)
return (PF_DROP);
-#endif
- m_copyback(m, off, ICMP_MINLEN,
- pd->hdr.icmp);
- m_copyback(m, ipoff2, sizeof (h2), &h2);
- break;
#endif /* INET */
#if INET6
case AF_INET6:
-#ifndef NO_APPLE_EXTENSIONS
m = pf_lazy_makewritable(pd, m,
ipoff2 + sizeof (h2_6));
if (!m)
return (PF_DROP);
-#endif
m_copyback(m, off,
sizeof (struct icmp6_hdr),
pd->hdr.icmp6);
}
}
-#ifndef NO_APPLE_EXTENSIONS
static int
pf_test_state_grev1(struct pf_state **state, int direction,
struct pfi_kif *kif, int off, struct pf_pdesc *pd)
struct pf_grev1_hdr *grev1 = pd->hdr.grev1;
struct mbuf *m;
-#ifndef NO_APPLE_EXTENSIONS
key.app_state = 0;
-#endif
key.af = pd->af;
key.proto = IPPROTO_GRE;
key.proto_variant = PF_GRE_PPTP_VARIANT;
(*state)->expire = pf_time_second();
if (src->state >= PFGRE1S_INITIATING &&
dst->state >= PFGRE1S_INITIATING) {
- (*state)->timeout = PFTM_GREv1_ESTABLISHED;
+ if ((*state)->timeout != PFTM_TCP_ESTABLISHED)
+ (*state)->timeout = PFTM_GREv1_ESTABLISHED;
src->state = PFGRE1S_ESTABLISHED;
dst->state = PFGRE1S_ESTABLISHED;
} else {
(*state)->timeout = PFTM_GREv1_INITIATING;
}
+
+ if ((*state)->state_key->app_state)
+ (*state)->state_key->app_state->u.grev1.pptp_state->expire =
+ pf_time_second();
+
/* translate source/destination address, if necessary */
if (STATE_GRE_TRANSLATE((*state)->state_key)) {
if (direction == PF_OUT) {
return (PF_PASS);
}
-int
+static int
pf_test_state_esp(struct pf_state **state, int direction, struct pfi_kif *kif,
int off, struct pf_pdesc *pd)
{
}
}
+ if (*state != NULL && pd != NULL &&
+ pd->flowhash == 0) {
+ pd->flowhash = (*state)->state_key->flowhash;
+ }
+
if (pf_state_lookup_aux(state, kif, direction, &action))
return (action);
return (PF_PASS);
}
-#endif
static int
pf_test_state_other(struct pf_state **state, int direction, struct pfi_kif *kif,
struct pf_state_peer *src, *dst;
struct pf_state_key_cmp key;
-#ifndef NO_APPLE_EXTENSIONS
key.app_state = 0;
-#endif
key.af = pd->af;
key.proto = pd->proto;
if (direction == PF_IN) {
PF_ACPY(&key.ext.addr, pd->src, key.af);
PF_ACPY(&key.gwy.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.ext.xport.port = 0;
key.gwy.xport.port = 0;
-#else
- key.ext.port = 0;
- key.gwy.port = 0;
-#endif
} else {
PF_ACPY(&key.lan.addr, pd->src, key.af);
PF_ACPY(&key.ext.addr, pd->dst, key.af);
-#ifndef NO_APPLE_EXTENSIONS
key.lan.xport.port = 0;
key.ext.xport.port = 0;
-#else
- key.lan.port = 0;
- key.ext.port = 0;
-#endif
}
STATE_LOOKUP();
(*state)->timeout = PFTM_OTHER_SINGLE;
/* translate source/destination address, if necessary */
-#ifndef NO_APPLE_EXTENSIONS
if (STATE_ADDR_TRANSLATE((*state)->state_key)) {
-#else
- if (STATE_TRANSLATE((*state)->state_key)) {
-#endif
if (direction == PF_OUT) {
switch (pd->af) {
#if INET
(dir != PF_IN && dir != PF_OUT) || oifp == NULL)
panic("pf_route: invalid parameters");
- if (pd->pf_mtag->routed++ > 3) {
+ if (pd->pf_mtag->pftag_routed++ > 3) {
m0 = *m;
*m = NULL;
goto bad;
ro = &iproute;
bzero((caddr_t)ro, sizeof (*ro));
- dst = satosin(&ro->ro_dst);
+ dst = satosin((void *)&ro->ro_dst);
dst->sin_family = AF_INET;
dst->sin_len = sizeof (*dst);
dst->sin_addr = ip->ip_dst;
}
ifp = ro->ro_rt->rt_ifp;
+ RT_LOCK(ro->ro_rt);
ro->ro_rt->rt_use++;
if (ro->ro_rt->rt_flags & RTF_GATEWAY)
- dst = satosin(ro->ro_rt->rt_gateway);
+ dst = satosin((void *)ro->ro_rt->rt_gateway);
+ RT_UNLOCK(ro->ro_rt);
} else {
if (TAILQ_EMPTY(&r->rpool.list)) {
DPFPRINTF(PF_DEBUG_URGENT,
goto bad;
if (oifp != ifp) {
- if (pf_test(PF_OUT, ifp, &m0, NULL) != PF_PASS)
+ if (pf_test(PF_OUT, ifp, &m0, NULL, NULL) != PF_PASS)
goto bad;
else if (m0 == NULL)
goto done;
ip->ip_sum = 0;
if (sw_csum & CSUM_DELAY_IP)
ip->ip_sum = in_cksum(m0, ip->ip_hl << 2);
- error = ifnet_output(ifp, PF_INET, m0, ro, sintosa(dst));
+ error = ifnet_output(ifp, PF_INET, m0, ro->ro_rt, sintosa(dst));
goto done;
}
}
m1 = m0;
+
+ /* PR-8933605: send ip_len,ip_off to ip_fragment in host byte order */
+#if BYTE_ORDER != BIG_ENDIAN
+ NTOHS(ip->ip_off);
+ NTOHS(ip->ip_len);
+#endif
error = ip_fragment(m0, ifp, ifp->if_mtu, sw_csum);
+
if (error) {
m0 = NULL;
goto bad;
m1 = m0->m_nextpkt;
m0->m_nextpkt = 0;
if (error == 0)
- error = ifnet_output(ifp, PF_INET, m0, ro,
+ error = ifnet_output(ifp, PF_INET, m0, ro->ro_rt,
sintosa(dst));
else
m_freem(m0);
(dir != PF_IN && dir != PF_OUT) || oifp == NULL)
panic("pf_route6: invalid parameters");
- if (pd->pf_mtag->routed++ > 3) {
+ if (pd->pf_mtag->pftag_routed++ > 3) {
m0 = *m;
*m = NULL;
goto bad;
if ((pf_mtag = pf_get_mtag(m0)) == NULL)
goto bad;
- pf_mtag->flags |= PF_TAG_GENERATED;
- ip6_output(m0, NULL, NULL, 0, NULL, NULL, 0);
+ pf_mtag->pftag_flags |= PF_TAG_GENERATED;
+ ip6_output(m0, NULL, NULL, 0, NULL, NULL, NULL);
return;
}
goto bad;
if (oifp != ifp) {
- if (pf_test6(PF_OUT, ifp, &m0, NULL) != PF_PASS)
+ if (pf_test6(PF_OUT, ifp, &m0, NULL, NULL) != PF_PASS)
goto bad;
else if (m0 == NULL)
goto done;
if (IN6_IS_SCOPE_EMBED(&dst->sin6_addr))
dst->sin6_addr.s6_addr16[1] = htons(ifp->if_index);
if ((unsigned)m0->m_pkthdr.len <= ifp->if_mtu) {
- error = nd6_output(ifp, ifp, m0, dst, NULL, 0);
+ error = nd6_output(ifp, ifp, m0, dst, NULL, NULL);
} else {
in6_ifstat_inc(ifp, ifs6_in_toobig);
if (r->rt != PF_DUPTO)
}
#if INET
-#ifndef NO_APPLE_EXTENSIONS
#define PF_APPLE_UPDATE_PDESC_IPv4() \
do { \
if (m && pd.mp && m != pd.mp) { \
m = pd.mp; \
h = mtod(m, struct ip *); \
+ pd.pf_mtag = pf_get_mtag(m); \
} \
} while (0)
-#else
-#define PF_APPLE_UPDATE_PDESC_IPv4()
-#endif
int
pf_test(int dir, struct ifnet *ifp, struct mbuf **m0,
- struct ether_header *eh)
+ struct ether_header *eh, struct ip_fw_args *fwa)
{
+#if !DUMMYNET
+#pragma unused(fwa)
+#endif
struct pfi_kif *kif;
- u_short action, reason = 0, log = 0;
+ u_short action = PF_PASS, reason = 0, log = 0;
struct mbuf *m = *m0;
struct ip *h = 0;
struct pf_rule *a = NULL, *r = &pf_default_rule, *tr, *nr;
return (PF_DROP);
}
- if (pd.pf_mtag->flags & PF_TAG_GENERATED)
+ if (pd.pf_mtag->pftag_flags & PF_TAG_GENERATED)
return (PF_PASS);
kif = (struct pfi_kif *)ifp->if_pf_kif;
panic("non-M_PKTHDR is passed to pf_test");
#endif /* DIAGNOSTIC */
+ /* initialize enough of pd for the done label */
+ h = mtod(m, struct ip *);
+ pd.mp = m;
+ pd.lmw = 0;
+ pd.pf_mtag = pf_get_mtag(m);
+ pd.src = (struct pf_addr *)&h->ip_src;
+ pd.dst = (struct pf_addr *)&h->ip_dst;
+ PF_ACPY(&pd.baddr, dir == PF_OUT ? pd.src : pd.dst, AF_INET);
+ pd.ip_sum = &h->ip_sum;
+ pd.proto = h->ip_p;
+ pd.proto_variant = 0;
+ pd.af = AF_INET;
+ pd.tos = h->ip_tos;
+ pd.tot_len = ntohs(h->ip_len);
+ pd.eh = eh;
+
if (m->m_pkthdr.len < (int)sizeof (*h)) {
action = PF_DROP;
REASON_SET(&reason, PFRES_SHORT);
goto done;
}
+#if DUMMYNET
+ if (fwa != NULL && fwa->fwa_pf_rule != NULL)
+ goto nonormalize;
+#endif /* DUMMYNET */
+
/* We do IP header normalization and packet reassembly here */
- if (pf_normalize_ip(m0, dir, kif, &reason, &pd) != PF_PASS) {
+ action = pf_normalize_ip(m0, dir, kif, &reason, &pd);
+ pd.mp = m = *m0;
+ if (action != PF_PASS || pd.lmw < 0) {
action = PF_DROP;
goto done;
}
+
+#if DUMMYNET
+nonormalize:
+#endif /* DUMMYNET */
m = *m0; /* pf_normalize messes with m0 */
h = mtod(m, struct ip *);
PF_ACPY(&pd.baddr, dir == PF_OUT ? pd.src : pd.dst, AF_INET);
pd.ip_sum = &h->ip_sum;
pd.proto = h->ip_p;
-#ifndef NO_APPLE_EXTENSIONS
pd.proto_variant = 0;
pd.mp = m;
pd.lmw = 0;
-#endif
+ pd.pf_mtag = pf_get_mtag(m);
pd.af = AF_INET;
pd.tos = h->ip_tos;
+ pd.sc = MBUF_SCIDX(mbuf_get_service_class(m));
pd.tot_len = ntohs(h->ip_len);
pd.eh = eh;
+ if (pd.pf_mtag != NULL && pd.pf_mtag->pftag_flowhash != 0) {
+ pd.flowhash = pd.pf_mtag->pftag_flowhash;
+ pd.flags |= (m->m_pkthdr.m_fhflags & PF_TAG_FLOWADV) ?
+ PFDESC_FLOW_ADV : 0;
+ }
/* handle fragments that didn't get reassembled by normalization */
if (h->ip_off & htons(IP_MF | IP_OFFMASK)) {
+ pd.flags |= PFDESC_IP_FRAG;
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_test_fragment(&r, dir, kif, m, h,
&pd, &a, &ruleset);
goto done;
pd.p_len = pd.tot_len - off - (th.th_off << 2);
if ((th.th_flags & TH_ACK) && pd.p_len == 0)
pqid = 1;
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_normalize_tcp(dir, kif, m, 0, off, h, &pd);
- if (action == PF_DROP)
+ if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv4();
+ if (action == PF_DROP)
+ goto done;
action = pf_test_state_tcp(&s, dir, kif, m, off, h, &pd,
&reason);
-#ifndef NO_APPLE_EXTENSIONS
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv4();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
REASON_SET(&reason, PFRES_SHORT);
goto done;
}
- action = pf_test_state_udp(&s, dir, kif, m, off, h, &pd);
-#ifndef NO_APPLE_EXTENSIONS
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
+ action = pf_test_state_udp(&s, dir, kif, m, off, h, &pd,
+ &reason);
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv4();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
log = action != PF_PASS;
goto done;
}
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_test_state_icmp(&s, dir, kif, m, off, h, &pd,
&reason);
-#ifndef NO_APPLE_EXTENSIONS
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv4();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
break;
}
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_ESP: {
struct pf_esp_hdr esp;
log = action != PF_PASS;
goto done;
}
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_test_state_esp(&s, dir, kif, off, &pd);
if (pd.lmw < 0)
goto done;
log = (action != PF_PASS);
goto done;
}
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
if ((ntohs(grev1.flags) & PF_GRE_FLAG_VERSION_MASK) == 1 &&
ntohs(grev1.protocol_type) == PF_GRE_PPP_ETHERTYPE) {
if (ntohs(grev1.payload_length) >
/* not GREv1/PPTP, so treat as ordinary GRE... */
}
-#endif
default:
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_test_state_other(&s, dir, kif, &pd);
-#ifndef NO_APPLE_EXTENSIONS
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv4();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
}
done:
+ *m0 = pd.mp;
PF_APPLE_UPDATE_PDESC_IPv4();
if (action == PF_PASS && h->ip_hl > 5 &&
(unsigned int) h->ip_hl));
}
- if ((s && s->tag) || PF_RTABLEID_IS_VALID(r->rtableid))
+ if ((s && s->tag) || PF_RTABLEID_IS_VALID(r->rtableid) ||
+ pd.flowhash != 0)
(void) pf_tag_packet(m, pd.pf_mtag, s ? s->tag : 0,
- r->rtableid);
+ r->rtableid, &pd);
-#if ALTQ
- if (action == PF_PASS && r->qid) {
- if (pqid || (pd.tos & IPTOS_LOWDELAY))
- pd.pf_mtag->qid = r->pqid;
- else
- pd.pf_mtag->qid = r->qid;
+ if (action == PF_PASS) {
+#if PF_ALTQ
+ if (altq_allowed && r->qid) {
+ if (pqid || (pd.tos & IPTOS_LOWDELAY))
+ pd.pf_mtag->pftag_qid = r->pqid;
+ else
+ pd.pf_mtag->pftag_qid = r->qid;
+ }
+#endif /* PF_ALTQ */
/* add hints for ecn */
- pd.pf_mtag->hdr = h;
+ pd.pf_mtag->pftag_hdr = h;
+ /* record address family */
+ pd.pf_mtag->pftag_flags &= ~PF_TAG_HDR_INET6;
+ pd.pf_mtag->pftag_flags |= PF_TAG_HDR_INET;
+ /* record TCP vs. non-TCP */
+ if (pd.proto == IPPROTO_TCP)
+ pd.pf_mtag->pftag_flags |= PF_TAG_TCP;
+ else
+ pd.pf_mtag->pftag_flags &= ~PF_TAG_TCP;
}
-#endif /* ALTQ */
/*
* connections redirected to loopback should not match sockets
(s->nat_rule.ptr->action == PF_RDR ||
s->nat_rule.ptr->action == PF_BINAT) &&
(ntohl(pd.dst->v4.s_addr) >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET)
- pd.pf_mtag->flags |= PF_TAG_TRANSLATE_LOCALHOST;
+ pd.pf_mtag->pftag_flags |= PF_TAG_TRANSLATE_LOCALHOST;
if (log) {
struct pf_rule *lr;
tr->dst.neg);
}
-#ifndef NO_APPLE_EXTENSIONS
+ VERIFY(m == NULL || pd.mp == NULL || pd.mp == m);
+
if (*m0) {
if (pd.lmw < 0) {
+ REASON_SET(&reason, PFRES_MEMORY);
+ action = PF_DROP;
+ }
+
+ if (action == PF_DROP) {
m_freem(*m0);
*m0 = NULL;
return (PF_DROP);
*m0 = m;
}
-#endif
if (action == PF_SYNPROXY_DROP) {
m_freem(*m0);
#endif /* INET */
#if INET6
-#ifndef NO_APPLE_EXTENSIONS
#define PF_APPLE_UPDATE_PDESC_IPv6() \
do { \
if (m && pd.mp && m != pd.mp) { \
h = mtod(m, struct ip6_hdr *); \
} \
} while (0)
-#else
-#define PF_APPLE_UPDATE_PDESC_IPv6()
-#endif
int
pf_test6(int dir, struct ifnet *ifp, struct mbuf **m0,
- struct ether_header *eh)
+ struct ether_header *eh, struct ip_fw_args *fwa)
{
+#if !DUMMYNET
+#pragma unused(fwa)
+#endif
struct pfi_kif *kif;
- u_short action, reason = 0, log = 0;
+ u_short action = PF_PASS, reason = 0, log = 0;
struct mbuf *m = *m0, *n = NULL;
struct ip6_hdr *h;
struct pf_rule *a = NULL, *r = &pf_default_rule, *tr, *nr;
struct pf_ruleset *ruleset = NULL;
struct pf_pdesc pd;
int off, terminal = 0, dirndx, rh_cnt = 0;
+ u_int8_t nxt;
lck_mtx_assert(pf_lock, LCK_MTX_ASSERT_OWNED);
return (PF_DROP);
}
- if (pd.pf_mtag->flags & PF_TAG_GENERATED)
+ if (pd.pf_mtag->pftag_flags & PF_TAG_GENERATED)
return (PF_PASS);
kif = (struct pfi_kif *)ifp->if_pf_kif;
h = mtod(m, struct ip6_hdr *);
+ nxt = h->ip6_nxt;
+ off = ((caddr_t)h - m->m_data) + sizeof(struct ip6_hdr);
+ pd.mp = m;
+ pd.lmw = 0;
+ pd.pf_mtag = pf_get_mtag(m);
+ pd.src = (struct pf_addr *)&h->ip6_src;
+ pd.dst = (struct pf_addr *)&h->ip6_dst;
+ PF_ACPY(&pd.baddr, dir == PF_OUT ? pd.src : pd.dst, AF_INET6);
+ pd.ip_sum = NULL;
+ pd.af = AF_INET6;
+ pd.proto = nxt;
+ pd.proto_variant = 0;
+ pd.tos = 0;
+ pd.sc = MBUF_SCIDX(mbuf_get_service_class(m));
+ pd.tot_len = ntohs(h->ip6_plen) + sizeof(struct ip6_hdr);
+ pd.eh = eh;
+
+ if (pd.pf_mtag->pftag_flowhash != 0) {
+ pd.flowhash = pd.pf_mtag->pftag_flowhash;
+ pd.flags |= (m->m_pkthdr.m_fhflags & PF_TAG_FLOWADV) ?
+ PFDESC_FLOW_ADV : 0;
+ }
+
if (m->m_pkthdr.len < (int)sizeof (*h)) {
action = PF_DROP;
REASON_SET(&reason, PFRES_SHORT);
goto done;
}
+#if DUMMYNET
+ if (fwa != NULL && fwa->fwa_pf_rule != NULL)
+ goto nonormalize;
+#endif /* DUMMYNET */
+
/* We do IP header normalization and packet reassembly here */
- if (pf_normalize_ip6(m0, dir, kif, &reason, &pd) != PF_PASS) {
+ action = pf_normalize_ip6(m0, dir, kif, &reason, &pd);
+ pd.mp = m = *m0;
+ if (action != PF_PASS || pd.lmw < 0) {
action = PF_DROP;
goto done;
}
- m = *m0; /* pf_normalize messes with m0 */
+
+#if DUMMYNET
+nonormalize:
+#endif /* DUMMYNET */
h = mtod(m, struct ip6_hdr *);
#if 1
off = ((caddr_t)h - m->m_data) + sizeof (struct ip6_hdr);
pd.proto = h->ip6_nxt;
-#ifndef NO_APPLE_EXTENSIONS
pd.proto_variant = 0;
pd.mp = m;
pd.lmw = 0;
-#endif
- do {
- switch (pd.proto) {
- case IPPROTO_FRAGMENT:
- action = pf_test_fragment(&r, dir, kif, m, h,
- &pd, &a, &ruleset);
- if (action == PF_DROP)
- REASON_SET(&reason, PFRES_FRAG);
- goto done;
- case IPPROTO_ROUTING: {
- struct ip6_rthdr rthdr;
+ pd.pf_mtag = pf_get_mtag(m);
- if (rh_cnt++) {
- DPFPRINTF(PF_DEBUG_MISC,
- ("pf: IPv6 more than one rthdr\n"));
- action = PF_DROP;
- REASON_SET(&reason, PFRES_IPOPTIONS);
- log = 1;
- goto done;
- }
- if (!pf_pull_hdr(m, off, &rthdr, sizeof (rthdr), NULL,
+ do {
+ switch (nxt) {
+ case IPPROTO_FRAGMENT: {
+ struct ip6_frag ip6f;
+
+ pd.flags |= PFDESC_IP_FRAG;
+ if (!pf_pull_hdr(m, off, &ip6f, sizeof ip6f, NULL,
&reason, pd.af)) {
DPFPRINTF(PF_DEBUG_MISC,
- ("pf: IPv6 short rthdr\n"));
+ ("pf: IPv6 short fragment header\n"));
action = PF_DROP;
REASON_SET(&reason, PFRES_SHORT);
log = 1;
goto done;
}
- if (rthdr.ip6r_type == IPV6_RTHDR_TYPE_0) {
- DPFPRINTF(PF_DEBUG_MISC,
- ("pf: IPv6 rthdr0\n"));
- action = PF_DROP;
- REASON_SET(&reason, PFRES_IPOPTIONS);
+ pd.proto = nxt = ip6f.ip6f_nxt;
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
+ action = pf_test_fragment(&r, dir, kif, m, h, &pd, &a,
+ &ruleset);
+ if (action == PF_DROP) {
+ REASON_SET(&reason, PFRES_FRAG);
log = 1;
- goto done;
}
- /* FALLTHROUGH */
+ goto done;
}
+ case IPPROTO_ROUTING:
+ ++rh_cnt;
+ /* FALL THROUGH */
+
case IPPROTO_AH:
case IPPROTO_HOPOPTS:
case IPPROTO_DSTOPTS: {
/* get next header and header length */
struct ip6_ext opt6;
- if (!pf_pull_hdr(m, off, &opt6, sizeof (opt6),
+ if (!pf_pull_hdr(m, off, &opt6, sizeof(opt6),
NULL, &reason, pd.af)) {
DPFPRINTF(PF_DEBUG_MISC,
("pf: IPv6 short opt\n"));
off += (opt6.ip6e_len + 2) * 4;
else
off += (opt6.ip6e_len + 1) * 8;
- pd.proto = opt6.ip6e_nxt;
+ nxt = opt6.ip6e_nxt;
/* goto the next header */
break;
}
goto done;
}
pd.p_len = pd.tot_len - off - (th.th_off << 2);
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_normalize_tcp(dir, kif, m, 0, off, h, &pd);
- if (action == PF_DROP)
+ if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv6();
+ if (action == PF_DROP)
+ goto done;
action = pf_test_state_tcp(&s, dir, kif, m, off, h, &pd,
&reason);
-#ifndef NO_APPLE_EXTENSIONS
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv6();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
REASON_SET(&reason, PFRES_SHORT);
goto done;
}
- action = pf_test_state_udp(&s, dir, kif, m, off, h, &pd);
-#ifndef NO_APPLE_EXTENSIONS
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
+ action = pf_test_state_udp(&s, dir, kif, m, off, h, &pd,
+ &reason);
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv6();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
log = action != PF_PASS;
goto done;
}
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_test_state_icmp(&s, dir, kif,
m, off, h, &pd, &reason);
-#ifndef NO_APPLE_EXTENSIONS
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv6();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
break;
}
-#ifndef NO_APPLE_EXTENSIONS
case IPPROTO_ESP: {
struct pf_esp_hdr esp;
log = action != PF_PASS;
goto done;
}
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_test_state_esp(&s, dir, kif, off, &pd);
if (pd.lmw < 0)
goto done;
log = (action != PF_PASS);
goto done;
}
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
if ((ntohs(grev1.flags) & PF_GRE_FLAG_VERSION_MASK) == 1 &&
ntohs(grev1.protocol_type) == PF_GRE_PPP_ETHERTYPE) {
if (ntohs(grev1.payload_length) >
/* not GREv1/PPTP, so treat as ordinary GRE... */
}
-#endif
default:
+#if DUMMYNET
+ /* Traffic goes through dummynet first */
+ action = pf_test_dummynet(&r, dir, kif, &m, &pd, fwa);
+ if (action == PF_DROP || m == NULL) {
+ *m0 = NULL;
+ return (action);
+ }
+#endif /* DUMMYNET */
action = pf_test_state_other(&s, dir, kif, &pd);
-#ifndef NO_APPLE_EXTENSIONS
if (pd.lmw < 0)
goto done;
PF_APPLE_UPDATE_PDESC_IPv6();
-#endif
if (action == PF_PASS) {
#if NPFSYNC
pfsync_update_state(s);
}
done:
+ *m0 = pd.mp;
PF_APPLE_UPDATE_PDESC_IPv6();
if (n != m) {
("pf: dropping packet with dangerous v6 headers\n"));
}
- if ((s && s->tag) || PF_RTABLEID_IS_VALID(r->rtableid))
+ if ((s && s->tag) || PF_RTABLEID_IS_VALID(r->rtableid) || pd.flowhash != 0)
(void) pf_tag_packet(m, pd.pf_mtag, s ? s->tag : 0,
- r->rtableid);
+ r->rtableid, &pd);
-#if ALTQ
- if (action == PF_PASS && r->qid) {
- if (pd.tos & IPTOS_LOWDELAY)
- pd.pf_mtag->qid = r->pqid;
- else
- pd.pf_mtag->qid = r->qid;
+ if (action == PF_PASS) {
+#if PF_ALTQ
+ if (altq_allowed && r->qid) {
+ if (pd.tos & IPTOS_LOWDELAY)
+ pd.pf_mtag->pftag_qid = r->pqid;
+ else
+ pd.pf_mtag->pftag_qid = r->qid;
+ }
+#endif /* PF_ALTQ */
/* add hints for ecn */
- pd.pf_mtag->hdr = h;
+ pd.pf_mtag->pftag_hdr = h;
+ /* record address family */
+ pd.pf_mtag->pftag_flags &= ~PF_TAG_HDR_INET;
+ pd.pf_mtag->pftag_flags |= PF_TAG_HDR_INET6;
+ /* record TCP vs. non-TCP */
+ if (pd.proto == IPPROTO_TCP)
+ pd.pf_mtag->pftag_flags |= PF_TAG_TCP;
+ else
+ pd.pf_mtag->pftag_flags &= ~PF_TAG_TCP;
}
-#endif /* ALTQ */
if (dir == PF_IN && action == PF_PASS && (pd.proto == IPPROTO_TCP ||
pd.proto == IPPROTO_UDP) && s != NULL && s->nat_rule.ptr != NULL &&
(s->nat_rule.ptr->action == PF_RDR ||
s->nat_rule.ptr->action == PF_BINAT) &&
IN6_IS_ADDR_LOOPBACK(&pd.dst->v6))
- pd.pf_mtag->flags |= PF_TAG_TRANSLATE_LOCALHOST;
+ pd.pf_mtag->pftag_flags |= PF_TAG_TRANSLATE_LOCALHOST;
if (log) {
struct pf_rule *lr;
/* pf_route6 can free the mbuf causing *m0 to become NULL */
pf_route6(m0, r, dir, kif->pfik_ifp, s, &pd);
#else
-#ifndef NO_APPLE_EXTENSIONS
+ VERIFY(m == NULL || pd.mp == NULL || pd.mp == m);
+
if (*m0) {
if (pd.lmw < 0) {
+ REASON_SET(&reason, PFRES_MEMORY);
+ action = PF_DROP;
+ }
+
+ if (action == PF_DROP) {
m_freem(*m0);
*m0 = NULL;
return (PF_DROP);
/* pf_route6 can free the mbuf causing *m0 to become NULL */
pf_route6(m0, r, dir, kif->pfik_ifp, s, &pd);
}
-#else
- if (action != PF_SYNPROXY_DROP && r->rt)
- /* pf_route6 can free the mbuf causing *m0 to become NULL */
- pf_route6(m0, r, dir, kif->pfik_ifp, s, &pd);
-
- if (action == PF_PASS) {
- m = *m0;
- h = mtod(m, struct ip6_hdr *);
- }
-
- if (action == PF_SYNPROXY_DROP) {
- m_freem(*m0);
- *m0 = NULL;
- action = PF_PASS;
- }
-#endif
-#endif
+#endif /* 0 */
return (action);
}
pp->pool_zone = zinit(size, 1024 * size, PAGE_SIZE, wchan);
if (pp->pool_zone != NULL) {
zone_change(pp->pool_zone, Z_EXPAND, TRUE);
+ zone_change(pp->pool_zone, Z_CALLERACCT, FALSE);
pp->pool_hiwat = pp->pool_limit = (unsigned int)-1;
pp->pool_name = wchan;
}
struct pf_mtag *
pf_find_mtag(struct mbuf *m)
{
-#if !PF_PKTHDR
- struct m_tag *mtag;
-
- if ((mtag = m_tag_locate(m, KERNEL_MODULE_TAG_ID,
- KERNEL_TAG_TYPE_PF, NULL)) == NULL)
- return (NULL);
-
- return ((struct pf_mtag *)(mtag + 1));
-#else
if (!(m->m_flags & M_PKTHDR))
return (NULL);
- return (&m->m_pkthdr.pf_mtag);
-#endif /* PF_PKTHDR */
+ return (m_pftag(m));
}
struct pf_mtag *
pf_get_mtag(struct mbuf *m)
{
-#if !PF_PKTHDR
- struct m_tag *mtag;
-
- if ((mtag = m_tag_locate(m, KERNEL_MODULE_TAG_ID, KERNEL_TAG_TYPE_PF,
- NULL)) == NULL) {
- mtag = m_tag_alloc(KERNEL_MODULE_TAG_ID, KERNEL_TAG_TYPE_PF,
- sizeof (struct pf_mtag), M_NOWAIT);
- if (mtag == NULL)
- return (NULL);
- bzero(mtag + 1, sizeof (struct pf_mtag));
- m_tag_prepend(m, mtag);
- }
- return ((struct pf_mtag *)(mtag + 1));
-#else
return (pf_find_mtag(m));
-#endif /* PF_PKTHDR */
}
uint64_t
{
struct timeval t;
+ microuptime(&t);
+ return (t.tv_sec);
+}
+
+uint64_t
+pf_calendar_time_second(void)
+{
+ struct timeval t;
+
microtime(&t);
return (t.tv_sec);
}
projects / apple / xnu.git / blobdiff