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pfsync: transport over IPv6

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Implement pfsync over IPv6.

Submitted by:	Luiz Amaral <email@luiz.eng.br>
Submitted by:	Naman Sood <naman@freebsdfoundation.org>
Reviewed by:	kp
Sponsored by:	InnoGames GmbH
Differential Revision:	https://reviews.freebsd.org/D40102
This commit is contained in:
Luiz Amaral 2023-07-13 08:06:24 +02:00 committed by Kristof Provost
parent 17cb2ac3df
commit 6fc7fc2dbb
4 changed files with 440 additions and 44 deletions
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15
sbin/ifconfig/ifpfsync.c
View file

@ -227,12 +227,17 @@ setpfsync_syncpeer(if_ctx *ctx, const char *val, int dummy __unused)
case AF_INET: {
struct sockaddr_in *sin = satosin(peerres->ai_addr);
if (IN_MULTICAST(ntohl(sin->sin_addr.s_addr)))
errx(1, "syncpeer address cannot be multicast");
memcpy(&addr, sin, sizeof(*sin));
break;
}
#endif
#ifdef INET6
case AF_INET6: {
struct sockaddr_in6 *sin6 = satosin6(peerres->ai_addr);
memcpy(&addr, sin6, sizeof(*sin6));
break;
}
#endif
default:
errx(1, "syncpeer address %s not supported", val);
@ -377,9 +382,9 @@ pfsync_status(if_ctx *ctx)
if (syncdev[0] != '\0')
printf("syncdev: %s ", syncdev);
if (syncpeer.ss_family == AF_INET &&
if ((syncpeer.ss_family == AF_INET &&
((struct sockaddr_in *)&syncpeer)->sin_addr.s_addr !=
htonl(INADDR_PFSYNC_GROUP)) {
htonl(INADDR_PFSYNC_GROUP)) || syncpeer.ss_family == AF_INET6) {
struct sockaddr *syncpeer_sa =
(struct sockaddr *)&syncpeer;

331
sys/netpfil/pf/if_pfsync.c
View file

@ -91,12 +91,15 @@ __FBSDID("$FreeBSD$");
#include <net/if_types.h>
#include <net/vnet.h>
#include <net/pfvar.h>
#include <net/route.h>
#include <net/if_pfsync.h>
#include <netinet/if_ether.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet6/in6_var.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/ip_carp.h>
#include <netinet/ip_var.h>
#include <netinet/tcp.h>
@ -105,6 +108,7 @@ __FBSDID("$FreeBSD$");
#include <netinet/ip6.h>
#include <netinet6/ip6_var.h>
#include <netinet6/scope6_var.h>
#include <netpfil/pf/pfsync_nv.h>
@ -112,7 +116,8 @@ struct pfsync_bucket;
struct pfsync_softc;
union inet_template {
struct ip ipv4;
struct ip ipv4;
struct ip6_hdr ipv6;
};
#define PFSYNC_MINPKT ( \
@ -247,6 +252,7 @@ struct pfsync_softc {
struct ifnet *sc_ifp;
struct ifnet *sc_sync_if;
struct ip_moptions sc_imo;
struct ip6_moptions sc_im6o;
struct sockaddr_storage sc_sync_peer;
uint32_t sc_flags;
uint8_t sc_maxupdates;
@ -303,7 +309,7 @@ static void pfsync_push(struct pfsync_bucket *);
static void pfsync_push_all(struct pfsync_softc *);
static void pfsyncintr(void *);
static int pfsync_multicast_setup(struct pfsync_softc *, struct ifnet *,
struct in_mfilter *imf);
struct in_mfilter *, struct in6_mfilter *);
static void pfsync_multicast_cleanup(struct pfsync_softc *);
static void pfsync_pointers_init(void);
static void pfsync_pointers_uninit(void);
@ -368,6 +374,9 @@ static struct pfsync_bucket *pfsync_get_bucket(struct pfsync_softc *,
VNET_DEFINE(struct if_clone *, pfsync_cloner);
#define V_pfsync_cloner VNET(pfsync_cloner)
const struct in6_addr in6addr_linklocal_pfsync_group =
{{{ 0xff, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0 }}};
static int
pfsync_clone_create(struct if_clone *ifc, int unit, caddr_t param)
{
@ -842,6 +851,109 @@ pfsync_input(struct mbuf **mp, int *offp __unused, int proto __unused)
}
#endif
#ifdef INET6
static int
pfsync6_input(struct mbuf **mp, int *offp __unused, int proto __unused)
{
struct pfsync_softc *sc = V_pfsyncif;
struct mbuf *m = *mp;
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
struct pfsync_header *ph;
struct pfsync_subheader subh;
int offset, len, flags = 0;
int rv;
uint16_t count;
PF_RULES_RLOCK_TRACKER;
*mp = NULL;
V_pfsyncstats.pfsyncs_ipackets++;
/* Verify that we have a sync interface configured. */
if (!sc || !sc->sc_sync_if || !V_pf_status.running ||
(sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
goto done;
/* verify that the packet came in on the right interface */
if (sc->sc_sync_if != m->m_pkthdr.rcvif) {
V_pfsyncstats.pfsyncs_badif++;
goto done;
}
if_inc_counter(sc->sc_ifp, IFCOUNTER_IPACKETS, 1);
if_inc_counter(sc->sc_ifp, IFCOUNTER_IBYTES, m->m_pkthdr.len);
/* verify that the IP TTL is 255. */
if (ip6->ip6_hlim != PFSYNC_DFLTTL) {
V_pfsyncstats.pfsyncs_badttl++;
goto done;
}
offset = sizeof(*ip6);
if (m->m_pkthdr.len < offset + sizeof(*ph)) {
V_pfsyncstats.pfsyncs_hdrops++;
goto done;
}
if (offset + sizeof(*ph) > m->m_len) {
if (m_pullup(m, offset + sizeof(*ph)) == NULL) {
V_pfsyncstats.pfsyncs_hdrops++;
return (IPPROTO_DONE);
}
ip6 = mtod(m, struct ip6_hdr *);
}
ph = (struct pfsync_header *)((char *)ip6 + offset);
/* verify the version */
if (ph->version != PFSYNC_VERSION) {
V_pfsyncstats.pfsyncs_badver++;
goto done;
}
len = ntohs(ph->len) + offset;
if (m->m_pkthdr.len < len) {
V_pfsyncstats.pfsyncs_badlen++;
goto done;
}
/*
* Trusting pf_chksum during packet processing, as well as seeking
* in interface name tree, require holding PF_RULES_RLOCK().
*/
PF_RULES_RLOCK();
if (!bcmp(&ph->pfcksum, &V_pf_status.pf_chksum, PF_MD5_DIGEST_LENGTH))
flags = PFSYNC_SI_CKSUM;
offset += sizeof(*ph);
while (offset <= len - sizeof(subh)) {
m_copydata(m, offset, sizeof(subh), (caddr_t)&subh);
offset += sizeof(subh);
if (subh.action >= PFSYNC_ACT_MAX) {
V_pfsyncstats.pfsyncs_badact++;
PF_RULES_RUNLOCK();
goto done;
}
count = ntohs(subh.count);
V_pfsyncstats.pfsyncs_iacts[subh.action] += count;
rv = (*pfsync_acts[subh.action])(m, offset, count, flags, subh.action);
if (rv == -1) {
PF_RULES_RUNLOCK();
return (IPPROTO_DONE);
}
offset += rv;
}
PF_RULES_RUNLOCK();
done:
m_freem(m);
return (IPPROTO_DONE);
}
#endif
static int
pfsync_in_clr(struct mbuf *m, int offset, int count, int flags, int action)
{
@ -1701,6 +1813,19 @@ pfsync_sendout(int schedswi, int c)
ip_fillid(ip);
break;
}
#endif
#ifdef INET6
case AF_INET6:
{
struct ip6_hdr *ip6;
ip6 = mtod(m, struct ip6_hdr *);
bcopy(&sc->sc_template.ipv6, ip6, sizeof(*ip6));
aflen = offset = sizeof(*ip6);
ip6->ip6_plen = htons(m->m_pkthdr.len);
break;
}
#endif
default:
m_freem(m);
@ -2512,10 +2637,8 @@ pfsync_tx(struct pfsync_softc *sc, struct mbuf *m)
error = ip6_output(m, NULL, NULL, 0,
NULL, NULL, NULL);
} else {
MPASS(false);
/* We don't support pfsync over IPv6. */
/*error = ip6_output(m, NULL, NULL,
IP_RAWOUTPUT, &sc->sc_imo6, NULL);*/
error = ip6_output(m, NULL, NULL, 0,
&sc->sc_im6o, NULL, NULL);
}
break;
#endif
@ -2564,10 +2687,12 @@ pfsyncintr(void *arg)
static int
pfsync_multicast_setup(struct pfsync_softc *sc, struct ifnet *ifp,
struct in_mfilter *imf)
struct in_mfilter* imf, struct in6_mfilter* im6f)
{
struct ip_moptions *imo = &sc->sc_imo;
struct ip6_moptions *im6o = &sc->sc_im6o;
int error;
struct sockaddr_in6 *syncpeer_sa6 = NULL;
if (!(ifp->if_flags & IFF_MULTICAST))
return (EADDRNOTAVAIL);
@ -2578,9 +2703,12 @@ pfsync_multicast_setup(struct pfsync_softc *sc, struct ifnet *ifp,
{
ip_mfilter_init(&imo->imo_head);
imo->imo_multicast_vif = -1;
if ((error = in_joingroup(ifp, &((struct sockaddr_in *)&sc->sc_sync_peer)->sin_addr, NULL,
&imf->imf_inm)) != 0)
if ((error = in_joingroup(ifp,
&(((struct sockaddr_in *)&sc->sc_sync_peer)->sin_addr),
NULL, &imf->imf_inm)) != 0)
{
return (error);
}
ip_mfilter_insert(&imo->imo_head, imf);
imo->imo_multicast_ifp = ifp;
@ -2589,7 +2717,29 @@ pfsync_multicast_setup(struct pfsync_softc *sc, struct ifnet *ifp,
break;
}
#endif
#ifdef INET6
case AF_INET6:
{
syncpeer_sa6 = (struct sockaddr_in6 *)&sc->sc_sync_peer;
if ((error = in6_setscope(&syncpeer_sa6->sin6_addr, ifp, NULL)))
{
return (error);
}
ip6_mfilter_init(&im6o->im6o_head);
if ((error = in6_joingroup(ifp, &syncpeer_sa6->sin6_addr, NULL,
&(im6f->im6f_in6m), 0)) != 0)
{
return (error);
}
ip6_mfilter_insert(&im6o->im6o_head, im6f);
im6o->im6o_multicast_ifp = ifp;
im6o->im6o_multicast_hlim = PFSYNC_DFLTTL;
im6o->im6o_multicast_loop = 0;
break;
}
}
#endif
return (0);
}
@ -2598,7 +2748,9 @@ static void
pfsync_multicast_cleanup(struct pfsync_softc *sc)
{
struct ip_moptions *imo = &sc->sc_imo;
struct ip6_moptions *im6o = &sc->sc_im6o;
struct in_mfilter *imf;
struct in6_mfilter *im6f;
while ((imf = ip_mfilter_first(&imo->imo_head)) != NULL) {
ip_mfilter_remove(&imo->imo_head, imf);
@ -2606,6 +2758,13 @@ pfsync_multicast_cleanup(struct pfsync_softc *sc)
ip_mfilter_free(imf);
}
imo->imo_multicast_ifp = NULL;
while ((im6f = ip6_mfilter_first(&im6o->im6o_head)) != NULL) {
ip6_mfilter_remove(&im6o->im6o_head, im6f);
in6_leavegroup(im6f->im6f_in6m, NULL);
ip6_mfilter_free(im6f);
}
im6o->im6o_multicast_ifp = NULL;
}
void
@ -2625,6 +2784,7 @@ pfsync_detach_ifnet(struct ifnet *ifp)
*/
ip_mfilter_init(&sc->sc_imo.imo_head);
sc->sc_imo.imo_multicast_ifp = NULL;
sc->sc_im6o.im6o_multicast_ifp = NULL;
sc->sc_sync_if = NULL;
}
@ -2655,9 +2815,11 @@ pfsync_pfsyncreq_to_kstatus(struct pfsyncreq *pfsyncr, struct pfsync_kstatus *st
static int
pfsync_kstatus_to_softc(struct pfsync_kstatus *status, struct pfsync_softc *sc)
{
struct in_mfilter *imf = NULL;
struct ifnet *sifp;
struct ip *ip;
struct in_mfilter *imf = NULL;
struct in6_mfilter *im6f = NULL;
struct sockaddr_in *status_sin;
struct sockaddr_in6 *status_sin6;
int error;
int c;
@ -2669,12 +2831,45 @@ pfsync_kstatus_to_softc(struct pfsync_kstatus *status, struct pfsync_softc *sc)
else if ((sifp = ifunit_ref(status->syncdev)) == NULL)
return (EINVAL);
struct sockaddr_in *status_sin =
(struct sockaddr_in *)&(status->syncpeer);
if (sifp != NULL && (status_sin->sin_addr.s_addr == 0 ||
status_sin->sin_addr.s_addr ==
htonl(INADDR_PFSYNC_GROUP)))
imf = ip_mfilter_alloc(M_WAITOK, 0, 0);
switch (status->syncpeer.ss_family) {
case AF_UNSPEC:
case AF_INET: {
status_sin = (struct sockaddr_in *)&(status->syncpeer);
if (sifp != NULL) {
if (status_sin->sin_addr.s_addr == 0 ||
status_sin->sin_addr.s_addr ==
htonl(INADDR_PFSYNC_GROUP)) {
status_sin->sin_family = AF_INET;
status_sin->sin_len = sizeof(*status_sin);
status_sin->sin_addr.s_addr =
htonl(INADDR_PFSYNC_GROUP);
}
if (IN_MULTICAST(ntohl(status_sin->sin_addr.s_addr))) {
imf = ip_mfilter_alloc(M_WAITOK, 0, 0);
}
}
break;
}
case AF_INET6: {
status_sin6 = (struct sockaddr_in6*)&(status->syncpeer);
if (sifp != NULL) {
if (IN6_IS_ADDR_UNSPECIFIED(&status_sin6->sin6_addr) ||
IN6_ARE_ADDR_EQUAL(&status_sin6->sin6_addr,
&in6addr_linklocal_pfsync_group)) {
status_sin6->sin6_family = AF_INET6;
status_sin6->sin6_len = sizeof(*status_sin6);
status_sin6->sin6_addr =
in6addr_linklocal_pfsync_group;
}
if (IN6_IS_ADDR_MULTICAST(&status_sin6->sin6_addr)) {
im6f = ip6_mfilter_alloc(M_WAITOK, 0, 0);
}
}
break;
}
}
PFSYNC_LOCK(sc);
@ -2691,13 +2886,31 @@ pfsync_kstatus_to_softc(struct pfsync_kstatus *status, struct pfsync_softc *sc)
return (EINVAL);
}
struct sockaddr_in *sc_sin = (struct sockaddr_in *)&sc->sc_sync_peer;
sc_sin->sin_family = AF_INET;
sc_sin->sin_len = sizeof(*sc_sin);
if (status_sin->sin_addr.s_addr == 0) {
sc_sin->sin_addr.s_addr = htonl(INADDR_PFSYNC_GROUP);
} else {
sc_sin->sin_addr.s_addr = status_sin->sin_addr.s_addr;
switch (status->syncpeer.ss_family) {
case AF_INET: {
struct sockaddr_in *status_sin = (struct sockaddr_in *)&(status->syncpeer);
struct sockaddr_in *sc_sin = (struct sockaddr_in *)&sc->sc_sync_peer;
sc_sin->sin_family = AF_INET;
sc_sin->sin_len = sizeof(*sc_sin);
if (status_sin->sin_addr.s_addr == 0) {
sc_sin->sin_addr.s_addr = htonl(INADDR_PFSYNC_GROUP);
} else {
sc_sin->sin_addr.s_addr = status_sin->sin_addr.s_addr;
}
break;
}
case AF_INET6: {
struct sockaddr_in6 *status_sin = (struct sockaddr_in6 *)&(status->syncpeer);
struct sockaddr_in6 *sc_sin = (struct sockaddr_in6 *)&sc->sc_sync_peer;
sc_sin->sin6_family = AF_INET6;
sc_sin->sin6_len = sizeof(*sc_sin);
if(IN6_IS_ADDR_UNSPECIFIED(&status_sin->sin6_addr)) {
sc_sin->sin6_addr = in6addr_linklocal_pfsync_group;
} else {
sc_sin->sin6_addr = status_sin->sin6_addr;
}
break;
}
}
sc->sc_maxupdates = status->maxupdates;
@ -2731,12 +2944,20 @@ pfsync_kstatus_to_softc(struct pfsync_kstatus *status, struct pfsync_softc *sc)
pfsync_multicast_cleanup(sc);
if (sc_sin->sin_addr.s_addr == htonl(INADDR_PFSYNC_GROUP)) {
error = pfsync_multicast_setup(sc, sifp, imf);
if (((sc->sc_sync_peer.ss_family == AF_INET) &&
IN_MULTICAST(ntohl(((struct sockaddr_in *)
&sc->sc_sync_peer)->sin_addr.s_addr))) ||
((sc->sc_sync_peer.ss_family == AF_INET6) &&
IN6_IS_ADDR_MULTICAST(&((struct sockaddr_in6*)
&sc->sc_sync_peer)->sin6_addr))) {
error = pfsync_multicast_setup(sc, sifp, imf, im6f);
if (error) {
if_rele(sifp);
ip_mfilter_free(imf);
PFSYNC_UNLOCK(sc);
if (imf != NULL)
ip_mfilter_free(imf);
if (im6f != NULL)
ip6_mfilter_free(im6f);
return (error);
}
}
@ -2744,17 +2965,39 @@ pfsync_kstatus_to_softc(struct pfsync_kstatus *status, struct pfsync_softc *sc)
if_rele(sc->sc_sync_if);
sc->sc_sync_if = sifp;
ip = &sc->sc_template.ipv4;
bzero(ip, sizeof(*ip));
ip->ip_v = IPVERSION;
ip->ip_hl = sizeof(sc->sc_template.ipv4) >> 2;
ip->ip_tos = IPTOS_LOWDELAY;
/* len and id are set later. */
ip->ip_off = htons(IP_DF);
ip->ip_ttl = PFSYNC_DFLTTL;
ip->ip_p = IPPROTO_PFSYNC;
ip->ip_src.s_addr = INADDR_ANY;
ip->ip_dst.s_addr = sc_sin->sin_addr.s_addr;
switch (sc->sc_sync_peer.ss_family) {
case AF_INET: {
struct ip *ip;
ip = &sc->sc_template.ipv4;
bzero(ip, sizeof(*ip));
ip->ip_v = IPVERSION;
ip->ip_hl = sizeof(sc->sc_template.ipv4) >> 2;
ip->ip_tos = IPTOS_LOWDELAY;
/* len and id are set later. */
ip->ip_off = htons(IP_DF);
ip->ip_ttl = PFSYNC_DFLTTL;
ip->ip_p = IPPROTO_PFSYNC;
ip->ip_src.s_addr = INADDR_ANY;
ip->ip_dst = ((struct sockaddr_in *)&sc->sc_sync_peer)->sin_addr;
break;
}
case AF_INET6: {
struct ip6_hdr *ip6;
ip6 = &sc->sc_template.ipv6;
bzero(ip6, sizeof(*ip6));
ip6->ip6_vfc = IPV6_VERSION;
ip6->ip6_hlim = PFSYNC_DFLTTL;
ip6->ip6_nxt = IPPROTO_PFSYNC;
ip6->ip6_dst = ((struct sockaddr_in6 *)&sc->sc_sync_peer)->sin6_addr;
struct epoch_tracker et;
NET_EPOCH_ENTER(et);
in6_selectsrc_addr(if_getfib(sc->sc_sync_if), &ip6->ip6_dst, 0,
sc->sc_sync_if, &ip6->ip6_src, NULL);
NET_EPOCH_EXIT(et);
break;
}
}
/* Request a full state table update. */
if ((sc->sc_flags & PFSYNCF_OK) && carp_demote_adj_p)
@ -2841,15 +3084,22 @@ VNET_SYSUNINIT(vnet_pfsync_uninit, SI_SUB_PROTO_FIREWALL, SI_ORDER_FOURTH,
static int
pfsync_init(void)
{
#ifdef INET
int error;
pfsync_detach_ifnet_ptr = pfsync_detach_ifnet;
#ifdef INET
error = ipproto_register(IPPROTO_PFSYNC, pfsync_input, NULL);
if (error)
return (error);
#endif
#ifdef INET6
error = ip6proto_register(IPPROTO_PFSYNC, pfsync6_input, NULL);
if (error) {
ipproto_unregister(IPPROTO_PFSYNC);
return (error);
}
#endif
return (0);
}
@ -2862,6 +3112,9 @@ pfsync_uninit(void)
#ifdef INET
ipproto_unregister(IPPROTO_PFSYNC);
#endif
#ifdef INET6
ip6proto_unregister(IPPROTO_PFSYNC);
#endif
}
static int

12
sys/netpfil/pf/pfsync_nv.c
View file

@ -35,6 +35,11 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/errno.h>
#include <netinet/in.h>
#include <netinet6/ip6_var.h>
#include <netinet6/scope6_var.h>
#include <netpfil/pf/pfsync_nv.h>
int
@ -42,6 +47,7 @@ pfsync_syncpeer_nvlist_to_sockaddr(const nvlist_t *nvl,
struct sockaddr_storage *sa)
{
int af;
int error;
if (!nvlist_exists_number(nvl, "af"))
return (EINVAL);
@ -74,6 +80,11 @@ pfsync_syncpeer_nvlist_to_sockaddr(const nvlist_t *nvl,
return (EINVAL);
memcpy(in6, addr, sizeof(*in6));
error = sa6_embedscope(in6, V_ip6_use_defzone);
if (error)
return (error);
break;
}
#endif
@ -106,6 +117,7 @@ pfsync_sockaddr_to_syncpeer_nvlist(struct sockaddr_storage *sa)
#ifdef INET6
case AF_INET6: {
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)sa;
sa6_recoverscope(in6);
nvlist_add_number(nvl, "af", in6->sin6_family);
nvlist_add_binary(nvl, "address", in6, sizeof(*in6));
break;

126
tests/sys/netpfil/pf/pfsync.sh
View file

@ -702,6 +702,130 @@ timeout_cleanup()
pft_cleanup
}
atf_test_case "basic_ipv6_unicast" "cleanup"
basic_ipv6_unicast_head()
{
atf_set descr 'Basic pfsync test (IPv6)'
atf_set require.user root
}
basic_ipv6_unicast_body()
{
pfsynct_init
epair_sync=$(vnet_mkepair)
epair_one=$(vnet_mkepair)
epair_two=$(vnet_mkepair)
vnet_mkjail one ${epair_one}a ${epair_sync}a
vnet_mkjail two ${epair_two}a ${epair_sync}b
# pfsync interface
jexec one ifconfig ${epair_sync}a inet6 fd2c::1/64 no_dad up
jexec one ifconfig ${epair_one}a inet6 fd2b::1/64 no_dad up
jexec one ifconfig pfsync0 \
syncdev ${epair_sync}a \
syncpeer fd2c::2 \
maxupd 1 \
up
jexec two ifconfig ${epair_two}a inet6 fd2b::2/64 no_dad up
jexec two ifconfig ${epair_sync}b inet6 fd2c::2/64 no_dad up
jexec two ifconfig pfsync0 \
syncdev ${epair_sync}b \
syncpeer fd2c::1 \
maxupd 1 \
up
# Enable pf!
jexec one pfctl -e
pft_set_rules one \
"block on ${epair_sync}a inet" \
"pass out keep state"
jexec two pfctl -e
pft_set_rules two \
"block on ${epair_sync}b inet" \
"pass out keep state"
ifconfig ${epair_one}b inet6 fd2b::f0/64 no_dad up
ping6 -c 1 -S fd2b::f0 fd2b::1
# Give pfsync time to do its thing
sleep 2
if ! jexec two pfctl -s states | grep icmp | grep fd2b::1 | \
grep fd2b::f0 ; then
atf_fail "state not found on synced host"
fi
}
basic_ipv6_unicast_cleanup()
{
pfsynct_cleanup
}
atf_test_case "basic_ipv6" "cleanup"
basic_ipv6_head()
{
atf_set descr 'Basic pfsync test (IPv6)'
atf_set require.user root
}
basic_ipv6_body()
{
pfsynct_init
epair_sync=$(vnet_mkepair)
epair_one=$(vnet_mkepair)
epair_two=$(vnet_mkepair)
vnet_mkjail one ${epair_one}a ${epair_sync}a
vnet_mkjail two ${epair_two}a ${epair_sync}b
# pfsync interface
jexec one ifconfig ${epair_sync}a inet6 fd2c::1/64 no_dad up
jexec one ifconfig ${epair_one}a inet6 fd2b::1/64 no_dad up
jexec one ifconfig pfsync0 \
syncdev ${epair_sync}a \
syncpeer ff12::f0 \
maxupd 1 \
up
jexec two ifconfig ${epair_two}a inet6 fd2b::2/64 no_dad up
jexec two ifconfig ${epair_sync}b inet6 fd2c::2/64 no_dad up
jexec two ifconfig pfsync0 \
syncdev ${epair_sync}b \
syncpeer ff12::f0 \
maxupd 1 \
up
# Enable pf!
jexec one pfctl -e
pft_set_rules one \
"block on ${epair_sync}a inet" \
"pass out keep state"
jexec two pfctl -e
pft_set_rules two \
"block on ${epair_sync}b inet" \
"pass out keep state"
ifconfig ${epair_one}b inet6 fd2b::f0/64 no_dad up
ping6 -c 1 -S fd2b::f0 fd2b::1
# Give pfsync time to do its thing
sleep 2
if ! jexec two pfctl -s states | grep icmp | grep fd2b::1 | \
grep fd2b::f0 ; then
atf_fail "state not found on synced host"
fi
}
basic_ipv6_cleanup()
{
pfsynct_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "basic"
@ -712,4 +836,6 @@ atf_init_test_cases()
atf_add_test_case "pfsync_pbr"
atf_add_test_case "ipsec"
atf_add_test_case "timeout"
atf_add_test_case "basic_ipv6_unicast"
atf_add_test_case "basic_ipv6"
}