#include <vnet/api_errno.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/ip_types_api.h>
+#include <vnet/ipsec/ipsec_types_api.h>
#include <vnet/fib/fib.h>
+#include <vnet/ipip/ipip.h>
#include <vnet/vnet_msg_enum.h>
#if WITH_LIBSSL > 0
#include <vnet/ipsec/ipsec.h>
+#include <vnet/ipsec/ipsec_tun.h>
#endif /* IPSEC */
#define vl_typedefs /* define message structures */
_(IPSEC_INTERFACE_ADD_DEL_SPD, ipsec_interface_add_del_spd) \
_(IPSEC_SPD_ENTRY_ADD_DEL, ipsec_spd_entry_add_del) \
_(IPSEC_SAD_ENTRY_ADD_DEL, ipsec_sad_entry_add_del) \
-_(IPSEC_SA_SET_KEY, ipsec_sa_set_key) \
_(IPSEC_SA_DUMP, ipsec_sa_dump) \
_(IPSEC_SPDS_DUMP, ipsec_spds_dump) \
_(IPSEC_SPD_DUMP, ipsec_spd_dump) \
_(IPSEC_SPD_INTERFACE_DUMP, ipsec_spd_interface_dump) \
_(IPSEC_TUNNEL_IF_ADD_DEL, ipsec_tunnel_if_add_del) \
-_(IPSEC_TUNNEL_IF_SET_KEY, ipsec_tunnel_if_set_key) \
_(IPSEC_TUNNEL_IF_SET_SA, ipsec_tunnel_if_set_sa) \
_(IPSEC_SELECT_BACKEND, ipsec_select_backend) \
-_(IPSEC_BACKEND_DUMP, ipsec_backend_dump)
+_(IPSEC_BACKEND_DUMP, ipsec_backend_dump) \
+_(IPSEC_TUNNEL_PROTECT_UPDATE, ipsec_tunnel_protect_update) \
+_(IPSEC_TUNNEL_PROTECT_DEL, ipsec_tunnel_protect_del) \
+_(IPSEC_TUNNEL_PROTECT_DUMP, ipsec_tunnel_protect_dump)
static void
vl_api_ipsec_spd_add_del_t_handler (vl_api_ipsec_spd_add_del_t * mp)
REPLY_MACRO (VL_API_IPSEC_INTERFACE_ADD_DEL_SPD_REPLY);
}
+static void vl_api_ipsec_tunnel_protect_update_t_handler
+ (vl_api_ipsec_tunnel_protect_update_t * mp)
+{
+ vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
+ vl_api_ipsec_tunnel_protect_update_reply_t *rmp;
+ u32 sw_if_index, ii, *sa_ins = NULL;
+ int rv;
+
+ sw_if_index = ntohl (mp->tunnel.sw_if_index);
+
+ VALIDATE_SW_IF_INDEX (&(mp->tunnel));
+
+#if WITH_LIBSSL > 0
+
+ for (ii = 0; ii < mp->tunnel.n_sa_in; ii++)
+ vec_add1 (sa_ins, ntohl (mp->tunnel.sa_in[ii]));
+
+ rv = ipsec_tun_protect_update (sw_if_index,
+ ntohl (mp->tunnel.sa_out), sa_ins);
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_IPSEC_TUNNEL_PROTECT_UPDATE_REPLY);
+}
+
+static void vl_api_ipsec_tunnel_protect_del_t_handler
+ (vl_api_ipsec_tunnel_protect_del_t * mp)
+{
+ vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
+ vl_api_ipsec_tunnel_protect_del_reply_t *rmp;
+ int rv;
+ u32 sw_if_index;
+
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+#if WITH_LIBSSL > 0
+ rv = ipsec_tun_protect_del (sw_if_index);
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_IPSEC_TUNNEL_PROTECT_DEL_REPLY);
+}
+
+typedef struct ipsec_dump_walk_ctx_t_
+{
+ vl_api_registration_t *reg;
+ u32 context;
+} ipsec_dump_walk_ctx_t;
+
+static walk_rc_t
+send_ipsec_tunnel_protect_details (index_t itpi, void *arg)
+{
+ ipsec_dump_walk_ctx_t *ctx = arg;
+ vl_api_ipsec_tunnel_protect_details_t *mp;
+ ipsec_tun_protect_t *itp;
+ u32 sai, ii = 0;
+
+ itp = ipsec_tun_protect_get (itpi);
+
+
+ mp = vl_msg_api_alloc (sizeof (*mp) + (sizeof (u32) * itp->itp_n_sa_in));
+ clib_memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IPSEC_TUNNEL_PROTECT_DETAILS);
+ mp->context = ctx->context;
+
+ mp->tun.sw_if_index = htonl (itp->itp_sw_if_index);
+
+ mp->tun.sa_out = htonl (itp->itp_out_sa);
+ mp->tun.n_sa_in = itp->itp_n_sa_in;
+ /* *INDENT-OFF* */
+ FOR_EACH_IPSEC_PROTECT_INPUT_SAI(itp, sai,
+ ({
+ mp->tun.sa_in[ii++] = htonl (sai);
+ }));
+ /* *INDENT-ON* */
+
+ vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+ return (WALK_CONTINUE);
+}
+
+static void
+vl_api_ipsec_tunnel_protect_dump_t_handler (vl_api_ipsec_tunnel_protect_dump_t
+ * mp)
+{
+ vl_api_registration_t *reg;
+ u32 sw_if_index;
+
+#if WITH_LIBSSL > 0
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ ipsec_dump_walk_ctx_t ctx = {
+ .reg = reg,
+ .context = mp->context,
+ };
+
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ if (~0 == sw_if_index)
+ {
+ ipsec_tun_protect_walk (send_ipsec_tunnel_protect_details, &ctx);
+ }
+ else
+ {
+ index_t itpi;
+
+ itpi = ipsec_tun_protect_find (sw_if_index);
+
+ if (INDEX_INVALID != itpi)
+ send_ipsec_tunnel_protect_details (itpi, &ctx);
+ }
+#else
+ clib_warning ("unimplemented");
+#endif
+}
+
static int
ipsec_spd_action_decode (vl_api_ipsec_spd_action_t in,
ipsec_policy_action_t * out)
p.is_ipv6 = (itype == IP46_TYPE_IP6);
p.protocol = mp->entry.protocol;
- /* leave the ports in network order */
- p.rport.start = mp->entry.remote_port_start;
- p.rport.stop = mp->entry.remote_port_stop;
- p.lport.start = mp->entry.local_port_start;
- p.lport.stop = mp->entry.local_port_stop;
+ p.rport.start = ntohs (mp->entry.remote_port_start);
+ p.rport.stop = ntohs (mp->entry.remote_port_stop);
+ p.lport.start = ntohs (mp->entry.local_port_start);
+ p.lport.stop = ntohs (mp->entry.local_port_stop);
rv = ipsec_spd_action_decode (mp->entry.policy, &p.policy);
/* *INDENT-ON* */
}
-static int
-ipsec_proto_decode (vl_api_ipsec_proto_t in, ipsec_protocol_t * out)
-{
- in = clib_net_to_host_u32 (in);
-
- switch (in)
- {
- case IPSEC_API_PROTO_ESP:
- *out = IPSEC_PROTOCOL_ESP;
- return (0);
- case IPSEC_API_PROTO_AH:
- *out = IPSEC_PROTOCOL_AH;
- return (0);
- }
- return (VNET_API_ERROR_INVALID_PROTOCOL);
-}
-
-static vl_api_ipsec_proto_t
-ipsec_proto_encode (ipsec_protocol_t p)
-{
- switch (p)
- {
- case IPSEC_PROTOCOL_ESP:
- return clib_host_to_net_u32 (IPSEC_API_PROTO_ESP);
- case IPSEC_PROTOCOL_AH:
- return clib_host_to_net_u32 (IPSEC_API_PROTO_AH);
- }
- return (VNET_API_ERROR_UNIMPLEMENTED);
-}
-
-static int
-ipsec_crypto_algo_decode (vl_api_ipsec_crypto_alg_t in,
- ipsec_crypto_alg_t * out)
-{
- in = clib_net_to_host_u32 (in);
-
- switch (in)
- {
-#define _(v,f,s) case IPSEC_API_CRYPTO_ALG_##f: \
- *out = IPSEC_CRYPTO_ALG_##f; \
- return (0);
- foreach_ipsec_crypto_alg
-#undef _
- }
- return (VNET_API_ERROR_INVALID_ALGORITHM);
-}
-
-static vl_api_ipsec_crypto_alg_t
-ipsec_crypto_algo_encode (ipsec_crypto_alg_t c)
-{
- switch (c)
- {
-#define _(v,f,s) case IPSEC_CRYPTO_ALG_##f: \
- return clib_host_to_net_u32(IPSEC_API_CRYPTO_ALG_##f);
- foreach_ipsec_crypto_alg
-#undef _
- case IPSEC_CRYPTO_N_ALG:
- break;
- }
- ASSERT (0);
- return (VNET_API_ERROR_UNIMPLEMENTED);
-}
-
-
-static int
-ipsec_integ_algo_decode (vl_api_ipsec_integ_alg_t in, ipsec_integ_alg_t * out)
-{
- in = clib_net_to_host_u32 (in);
-
- switch (in)
- {
-#define _(v,f,s) case IPSEC_API_INTEG_ALG_##f: \
- *out = IPSEC_INTEG_ALG_##f; \
- return (0);
- foreach_ipsec_integ_alg
-#undef _
- }
- return (VNET_API_ERROR_INVALID_ALGORITHM);
-}
-
-static vl_api_ipsec_integ_alg_t
-ipsec_integ_algo_encode (ipsec_integ_alg_t i)
-{
- switch (i)
- {
-#define _(v,f,s) case IPSEC_INTEG_ALG_##f: \
- return (clib_host_to_net_u32(IPSEC_API_INTEG_ALG_##f));
- foreach_ipsec_integ_alg
-#undef _
- case IPSEC_INTEG_N_ALG:
- break;
- }
- ASSERT (0);
- return (VNET_API_ERROR_UNIMPLEMENTED);
-}
-
-static void
-ipsec_key_decode (const vl_api_key_t * key, ipsec_key_t * out)
-{
- ipsec_mk_key (out, key->data, key->length);
-}
-
-static void
-ipsec_key_encode (const ipsec_key_t * in, vl_api_key_t * out)
-{
- out->length = in->len;
- clib_memcpy (out->data, in->data, out->length);
-}
-
-static ipsec_sa_flags_t
-ipsec_sa_flags_decode (vl_api_ipsec_sad_flags_t in)
-{
- ipsec_sa_flags_t flags = IPSEC_SA_FLAG_NONE;
- in = clib_net_to_host_u32 (in);
-
- if (in & IPSEC_API_SAD_FLAG_USE_ESN)
- flags |= IPSEC_SA_FLAG_USE_ESN;
- if (in & IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
- flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
- if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL)
- flags |= IPSEC_SA_FLAG_IS_TUNNEL;
- if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL_V6)
- flags |= IPSEC_SA_FLAG_IS_TUNNEL_V6;
- if (in & IPSEC_API_SAD_FLAG_UDP_ENCAP)
- flags |= IPSEC_SA_FLAG_UDP_ENCAP;
-
- return (flags);
-}
-
-static vl_api_ipsec_sad_flags_t
-ipsec_sad_flags_encode (const ipsec_sa_t * sa)
-{
- vl_api_ipsec_sad_flags_t flags = IPSEC_API_SAD_FLAG_NONE;
-
- if (ipsec_sa_is_set_USE_ESN (sa))
- flags |= IPSEC_API_SAD_FLAG_USE_ESN;
- if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
- flags |= IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY;
- if (ipsec_sa_is_set_IS_TUNNEL (sa))
- flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL;
- if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa))
- flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL_V6;
- if (ipsec_sa_is_set_UDP_ENCAP (sa))
- flags |= IPSEC_API_SAD_FLAG_UDP_ENCAP;
-
- return clib_host_to_net_u32 (flags);
-}
-
static void vl_api_ipsec_sad_entry_add_del_t_handler
(vl_api_ipsec_sad_entry_add_del_t * mp)
{
ip_address_decode (&mp->entry.tunnel_src, &tun_src);
ip_address_decode (&mp->entry.tunnel_dst, &tun_dst);
-
if (mp->is_add)
- rv = ipsec_sa_add (id, spi, proto,
- crypto_alg, &crypto_key,
- integ_alg, &integ_key, flags,
- 0, &tun_src, &tun_dst, &sa_index);
+ rv = ipsec_sa_add_and_lock (id, spi, proto,
+ crypto_alg, &crypto_key,
+ integ_alg, &integ_key, flags,
+ 0, mp->entry.salt, &tun_src, &tun_dst,
+ &sa_index);
else
- rv = ipsec_sa_del (id);
+ rv = ipsec_sa_unlock_id (id);
#else
rv = VNET_API_ERROR_UNIMPLEMENTED;
&mp->entry.remote_address_start);
ip_address_encode (&p->raddr.stop, IP46_TYPE_ANY,
&mp->entry.remote_address_stop);
- mp->entry.local_port_start = p->lport.start;
- mp->entry.local_port_stop = p->lport.stop;
- mp->entry.remote_port_start = p->rport.start;
- mp->entry.remote_port_stop = p->rport.stop;
+ mp->entry.local_port_start = htons (p->lport.start);
+ mp->entry.local_port_stop = htons (p->lport.stop);
+ mp->entry.remote_port_start = htons (p->rport.start);
+ mp->entry.remote_port_stop = htons (p->rport.stop);
mp->entry.protocol = p->protocol;
mp->entry.policy = ipsec_spd_action_encode (p->policy);
mp->entry.sa_id = htonl (p->sa_id);
#endif
}
-static void
-vl_api_ipsec_sa_set_key_t_handler (vl_api_ipsec_sa_set_key_t * mp)
+static u32
+ipsec_tun_mk_input_sa_id (u32 ti)
{
- vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
- vl_api_ipsec_sa_set_key_reply_t *rmp;
- ipsec_key_t ck, ik;
- u32 id;
- int rv;
-#if WITH_LIBSSL > 0
-
- id = ntohl (mp->sa_id);
-
- ipsec_key_decode (&mp->crypto_key, &ck);
- ipsec_key_decode (&mp->integrity_key, &ik);
-
- rv = ipsec_set_sa_key (id, &ck, &ik);
-#else
- rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
+ return (0x80000000 | ti);
+}
- REPLY_MACRO (VL_API_IPSEC_SA_SET_KEY_REPLY);
+static u32
+ipsec_tun_mk_output_sa_id (u32 ti)
+{
+ return (0xc0000000 | ti);
}
static void
mp)
{
vl_api_ipsec_tunnel_if_add_del_reply_t *rmp;
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
u32 sw_if_index = ~0;
- ip46_type_t itype;
int rv;
#if WITH_LIBSSL > 0
- ipsec_add_del_tunnel_args_t tun;
-
- clib_memset (&tun, 0, sizeof (ipsec_add_del_tunnel_args_t));
-
- tun.is_add = mp->is_add;
- tun.esn = mp->esn;
- tun.anti_replay = mp->anti_replay;
- tun.local_spi = ntohl (mp->local_spi);
- tun.remote_spi = ntohl (mp->remote_spi);
- tun.crypto_alg = mp->crypto_alg;
- tun.local_crypto_key_len = mp->local_crypto_key_len;
- tun.remote_crypto_key_len = mp->remote_crypto_key_len;
- tun.integ_alg = mp->integ_alg;
- tun.local_integ_key_len = mp->local_integ_key_len;
- tun.remote_integ_key_len = mp->remote_integ_key_len;
- tun.udp_encap = mp->udp_encap;
- tun.tx_table_id = ntohl (mp->tx_table_id);
- itype = ip_address_decode (&mp->local_ip, &tun.local_ip);
- itype = ip_address_decode (&mp->remote_ip, &tun.remote_ip);
- tun.is_ip6 = (IP46_TYPE_IP6 == itype);
- memcpy (&tun.local_crypto_key, &mp->local_crypto_key,
- mp->local_crypto_key_len);
- memcpy (&tun.remote_crypto_key, &mp->remote_crypto_key,
- mp->remote_crypto_key_len);
- memcpy (&tun.local_integ_key, &mp->local_integ_key,
- mp->local_integ_key_len);
- memcpy (&tun.remote_integ_key, &mp->remote_integ_key,
- mp->remote_integ_key_len);
- tun.renumber = mp->renumber;
- tun.show_instance = ntohl (mp->show_instance);
-
- rv = ipsec_add_del_tunnel_if_internal (vnm, &tun, &sw_if_index);
+ ip46_address_t local_ip = ip46_address_initializer;
+ ip46_address_t remote_ip = ip46_address_initializer;
+ ipsec_key_t crypto_key, integ_key;
+ ipsec_sa_flags_t flags;
+ ip46_type_t local_ip_type, remote_ip_type;
+ ipip_transport_t transport;
+ u32 fib_index;
+
+ local_ip_type = ip_address_decode (&mp->local_ip, &local_ip);
+ remote_ip_type = ip_address_decode (&mp->remote_ip, &remote_ip);
+ transport = (IP46_TYPE_IP6 == local_ip_type ?
+ IPIP_TRANSPORT_IP6 : IPIP_TRANSPORT_IP4);
+
+ if (local_ip_type != remote_ip_type)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto done;
+ }
+
+ flags = IPSEC_SA_FLAG_NONE;
+
+ if (mp->udp_encap)
+ flags |= IPSEC_SA_FLAG_UDP_ENCAP;
+ if (mp->esn)
+ flags |= IPSEC_SA_FLAG_USE_ESN;
+ if (mp->anti_replay)
+ flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
+
+ ipsec_mk_key (&crypto_key, mp->remote_crypto_key,
+ mp->remote_crypto_key_len);
+ ipsec_mk_key (&integ_key, mp->remote_integ_key, mp->remote_integ_key_len);
+ ipsec_mk_key (&crypto_key, mp->local_crypto_key, mp->local_crypto_key_len);
+ ipsec_mk_key (&integ_key, mp->local_integ_key, mp->local_integ_key_len);
+
+ fib_index =
+ fib_table_find (fib_proto_from_ip46 (local_ip_type),
+ ntohl (mp->tx_table_id));
+
+ if (~0 == fib_index)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_FIB;
+ goto done;
+ }
+
+ if (mp->is_add)
+ {
+ // remote = input, local = output
+ /* create an ip-ip tunnel, then the two SA, then bind them */
+ rv = ipip_add_tunnel (transport,
+ (mp->renumber ? ntohl (mp->show_instance) : ~0),
+ &local_ip,
+ &remote_ip, fib_index,
+ IPIP_TUNNEL_FLAG_NONE, IP_DSCP_CS0, &sw_if_index);
+
+ if (rv)
+ goto done;
+
+ rv = ipsec_sa_add_and_lock (ipsec_tun_mk_input_sa_id (sw_if_index),
+ ntohl (mp->remote_spi),
+ IPSEC_PROTOCOL_ESP,
+ mp->crypto_alg,
+ &crypto_key,
+ mp->integ_alg,
+ &integ_key,
+ (flags | IPSEC_SA_FLAG_IS_INBOUND),
+ ntohl (mp->tx_table_id),
+ mp->salt, &remote_ip, &local_ip, NULL);
+
+ if (rv)
+ goto done;
+
+ rv = ipsec_sa_add_and_lock (ipsec_tun_mk_output_sa_id (sw_if_index),
+ ntohl (mp->local_spi),
+ IPSEC_PROTOCOL_ESP,
+ mp->crypto_alg,
+ &crypto_key,
+ mp->integ_alg,
+ &integ_key,
+ flags,
+ ntohl (mp->tx_table_id),
+ mp->salt, &local_ip, &remote_ip, NULL);
+
+ if (rv)
+ goto done;
+
+ rv = ipsec_tun_protect_update_one (sw_if_index,
+ ipsec_tun_mk_output_sa_id
+ (sw_if_index),
+ ipsec_tun_mk_input_sa_id
+ (sw_if_index));
+ if (rv)
+ goto done;
+
+ /* the SAs are locked as a result of being used for proection,
+ * they cannot be removed from the API, since they cannot be refered
+ * to by the API. unlock them now, so that if the tunnel is rekeyed
+ * they-ll disapper
+ */
+ ipsec_sa_unlock_id (ipsec_tun_mk_input_sa_id (sw_if_index));
+ ipsec_sa_unlock_id (ipsec_tun_mk_output_sa_id (sw_if_index));
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ ipip_tunnel_key_t key = {
+ .transport = transport,
+ .fib_index = fib_index,
+ .src = local_ip,
+ .dst = remote_ip
+ };
+ /* *INDENT-ON* */
+
+ ipip_tunnel_t *t = ipip_tunnel_db_find (&key);
+
+ if (NULL != t)
+ {
+ rv = ipsec_tun_protect_del (t->sw_if_index);
+ ipip_del_tunnel (t->sw_if_index);
+ }
+ else
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ }
#else
rv = VNET_API_ERROR_UNIMPLEMENTED;
#endif
-
+done:
/* *INDENT-OFF* */
REPLY_MACRO2 (VL_API_IPSEC_TUNNEL_IF_ADD_DEL_REPLY,
({
/* *INDENT-ON* */
}
-static void
-send_ipsec_sa_details (ipsec_sa_t * sa, vl_api_registration_t * reg,
- u32 context, u32 sw_if_index)
+typedef struct ipsec_sa_dump_match_ctx_t_
+{
+ index_t sai;
+ u32 sw_if_index;
+} ipsec_sa_dump_match_ctx_t;
+
+static walk_rc_t
+ipsec_sa_dump_match_sa (index_t itpi, void *arg)
+{
+ ipsec_sa_dump_match_ctx_t *ctx = arg;
+ ipsec_tun_protect_t *itp;
+ index_t sai;
+
+ itp = ipsec_tun_protect_get (itpi);
+
+ if (itp->itp_out_sa == ctx->sai)
+ {
+ ctx->sw_if_index = itp->itp_sw_if_index;
+ return (WALK_STOP);
+ }
+ /* *INDENT-OFF* */
+ FOR_EACH_IPSEC_PROTECT_INPUT_SAI (itp, sai,
+ ({
+ if (sai == ctx->sai)
+ {
+ ctx->sw_if_index = itp->itp_sw_if_index;
+ return (WALK_STOP);
+ }
+ }));
+ /* *INDENT-OFF* */
+
+ return (WALK_CONTINUE);
+}
+
+static walk_rc_t
+send_ipsec_sa_details (ipsec_sa_t * sa, void *arg)
{
+ ipsec_dump_walk_ctx_t *ctx = arg;
vl_api_ipsec_sa_details_t *mp;
+ ipsec_main_t *im = &ipsec_main;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IPSEC_SA_DETAILS);
- mp->context = context;
+ mp->context = ctx->context;
mp->entry.sad_id = htonl (sa->id);
mp->entry.spi = htonl (sa->spi);
ipsec_key_encode (&sa->integ_key, &mp->entry.integrity_key);
mp->entry.flags = ipsec_sad_flags_encode (sa);
+ mp->entry.salt = clib_host_to_net_u32 (sa->salt);
+
+ if (ipsec_sa_is_set_IS_PROTECT (sa))
+ {
+ ipsec_sa_dump_match_ctx_t ctx = {
+ .sai = sa - im->sad,
+ .sw_if_index = ~0,
+ };
+ ipsec_tun_protect_walk (ipsec_sa_dump_match_sa, &ctx);
+
+ mp->sw_if_index = htonl (ctx.sw_if_index);
+ }
+ else
+ mp->sw_if_index = ~0;
if (ipsec_sa_is_set_IS_TUNNEL (sa))
{
&mp->entry.tunnel_dst);
}
- mp->sw_if_index = htonl (sw_if_index);
- mp->salt = clib_host_to_net_u32 (sa->salt);
mp->seq_outbound = clib_host_to_net_u64 (((u64) sa->seq));
mp->last_seq_inbound = clib_host_to_net_u64 (((u64) sa->last_seq));
if (ipsec_sa_is_set_USE_ESN (sa))
if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
mp->replay_window = clib_host_to_net_u64 (sa->replay_window);
- vl_api_send_msg (reg, (u8 *) mp);
-}
+ vl_api_send_msg (ctx->reg, (u8 *) mp);
+ return (WALK_CONTINUE);
+}
static void
vl_api_ipsec_sa_dump_t_handler (vl_api_ipsec_sa_dump_t * mp)
{
vl_api_registration_t *reg;
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
- ipsec_sa_t *sa;
- ipsec_tunnel_if_t *t;
- u32 *sa_index_to_tun_if_index = 0;
#if WITH_LIBSSL > 0
reg = vl_api_client_index_to_registration (mp->client_index);
- if (!reg || pool_elts (im->sad) == 0)
+ if (!reg)
return;
- vec_validate_init_empty (sa_index_to_tun_if_index, vec_len (im->sad) - 1,
- ~0);
-
- /* *INDENT-OFF* */
- pool_foreach (t, im->tunnel_interfaces,
- ({
- vnet_hw_interface_t *hi;
- u32 sw_if_index = ~0;
-
- hi = vnet_get_hw_interface (vnm, t->hw_if_index);
- sw_if_index = hi->sw_if_index;
- sa_index_to_tun_if_index[t->input_sa_index] = sw_if_index;
- sa_index_to_tun_if_index[t->output_sa_index] = sw_if_index;
- }));
-
- pool_foreach (sa, im->sad,
- ({
- if (mp->sa_id == ~(0) || ntohl (mp->sa_id) == sa->id)
- send_ipsec_sa_details (sa, reg, mp->context,
- sa_index_to_tun_if_index[sa - im->sad]);
- }));
- /* *INDENT-ON* */
-
- vec_free (sa_index_to_tun_if_index);
-#else
- clib_warning ("unimplemented");
-#endif
-}
-
-
-static void
-vl_api_ipsec_tunnel_if_set_key_t_handler (vl_api_ipsec_tunnel_if_set_key_t *
- mp)
-{
- vl_api_ipsec_tunnel_if_set_key_reply_t *rmp;
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
- vnet_sw_interface_t *sw;
- u8 *key = 0;
- int rv;
-
-#if WITH_LIBSSL > 0
- sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
-
- switch (mp->key_type)
- {
- case IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO:
- case IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO:
- if (mp->alg < IPSEC_CRYPTO_ALG_AES_CBC_128 ||
- mp->alg >= IPSEC_CRYPTO_N_ALG)
- {
- rv = VNET_API_ERROR_INVALID_ALGORITHM;
- goto out;
- }
- break;
- case IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG:
- case IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG:
- if (mp->alg >= IPSEC_INTEG_N_ALG)
- {
- rv = VNET_API_ERROR_INVALID_ALGORITHM;
- goto out;
- }
- break;
- case IPSEC_IF_SET_KEY_TYPE_NONE:
- default:
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto out;
- break;
- }
+ ipsec_dump_walk_ctx_t ctx = {
+ .reg = reg,
+ .context = mp->context,
+ };
- key = vec_new (u8, mp->key_len);
- clib_memcpy (key, mp->key, mp->key_len);
+ ipsec_sa_walk (send_ipsec_sa_details, &ctx);
- rv = ipsec_set_interface_key (vnm, sw->hw_if_index, mp->key_type, mp->alg,
- key);
- vec_free (key);
#else
clib_warning ("unimplemented");
#endif
-
-out:
- REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_KEY_REPLY);
}
-
static void
vl_api_ipsec_tunnel_if_set_sa_t_handler (vl_api_ipsec_tunnel_if_set_sa_t * mp)
{
vl_api_ipsec_tunnel_if_set_sa_reply_t *rmp;
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
- vnet_sw_interface_t *sw;
int rv;
#if WITH_LIBSSL > 0
- sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
+ VALIDATE_SW_IF_INDEX(mp);
+
+ if (mp->is_outbound)
+ rv = ipsec_tun_protect_update_out (ntohl (mp->sw_if_index),
+ ntohl (mp->sa_id));
+ else
+ rv = ipsec_tun_protect_update_in (ntohl (mp->sw_if_index),
+ ntohl (mp->sa_id));
- rv = ipsec_set_interface_sa (vnm, sw->hw_if_index, ntohl (mp->sa_id),
- mp->is_outbound);
#else
clib_warning ("unimplemented");
#endif
+ BAD_SW_IF_INDEX_LABEL;
+
REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_SA_REPLY);
}
switch (protocol)
{
case IPSEC_PROTOCOL_ESP:
- if (pool_is_free_index (im->esp_backends, mp->index))
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- break;
- }
- ipsec_select_esp_backend (im, mp->index);
+ rv = ipsec_select_esp_backend (im, mp->index);
break;
case IPSEC_PROTOCOL_AH:
- if (pool_is_free_index (im->ah_backends, mp->index))
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- break;
- }
- ipsec_select_ah_backend (im, mp->index);
+ rv = ipsec_select_ah_backend (im, mp->index);
break;
default:
- rv = VNET_API_ERROR_INVALID_VALUE;
+ rv = VNET_API_ERROR_INVALID_PROTOCOL;
break;
}
#else
foreach_vpe_api_msg;
#undef _
+ /*
+ * Adding and deleting SAs is MP safe since when they are added/delete
+ * no traffic is using them
+ */
+ am->is_mp_safe[VL_API_IPSEC_SAD_ENTRY_ADD_DEL] = 1;
+ am->is_mp_safe[VL_API_IPSEC_SAD_ENTRY_ADD_DEL_REPLY] = 1;
+
/*
* Set up the (msg_name, crc, message-id) table
*/