summaryrefslogtreecommitdiffstats
path: root/src/vnet/ipsec/ipsec_api.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/ipsec/ipsec_api.c')
-rw-r--r--src/vnet/ipsec/ipsec_api.c224
1 files changed, 138 insertions, 86 deletions
diff --git a/src/vnet/ipsec/ipsec_api.c b/src/vnet/ipsec/ipsec_api.c
index 06f954622c7..2d464b31290 100644
--- a/src/vnet/ipsec/ipsec_api.c
+++ b/src/vnet/ipsec/ipsec_api.c
@@ -217,6 +217,19 @@ ipsec_proto_decode (vl_api_ipsec_proto_t in, ipsec_protocol_t * out)
return (VNET_API_ERROR_UNIMPLEMENTED);
}
+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)
@@ -234,6 +247,23 @@ ipsec_crypto_algo_decode (vl_api_ipsec_crypto_alg_t in,
return (VNET_API_ERROR_UNIMPLEMENTED);
}
+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)
{
@@ -250,86 +280,122 @@ ipsec_integ_algo_decode (vl_api_ipsec_integ_alg_t in, ipsec_integ_alg_t * out)
return (VNET_API_ERROR_UNIMPLEMENTED);
}
+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
-vl_api_ipsec_key_decode (const vl_api_key_t * key, u8 * len, u8 out[128])
+ipsec_key_decode (const vl_api_key_t * key, ipsec_key_t * out)
{
- *len = key->length;
- clib_memcpy (out, key->data, key->length);
+ ipsec_mk_key (out, key->data, key->length);
}
static void
-vl_api_ipsec_sad_flags_decode (vl_api_ipsec_sad_flags_t in, ipsec_sa_t * sa)
+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_EXTENDED_SEQ_NUM)
- sa->use_esn = 1;
- if (in & IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
- sa->use_anti_replay = 1;
- if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL)
- sa->is_tunnel = 1;
- if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL_V6)
- sa->is_tunnel_ip6 = 1;
- if (in & IPSEC_API_SAD_FLAG_UDP_ENCAP)
- sa->udp_encap = 1;
+#define _(v,f,s) if (in & IPSEC_API_SAD_FLAG_##f) \
+ flags |= IPSEC_SA_FLAG_##f;
+ foreach_ipsec_sa_flags
+#undef _
+ 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 (sa->use_esn)
+ flags |= IPSEC_API_SAD_FLAG_USE_EXTENDED_SEQ_NUM;
+ if (sa->use_anti_replay)
+ flags |= IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY;
+ if (sa->is_tunnel)
+ flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL;
+ if (sa->is_tunnel_ip6)
+ flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL_V6;
+ if (sa->udp_encap)
+ 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)
{
vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
vl_api_ipsec_sad_entry_add_del_reply_t *rmp;
+ ip46_address_t tun_src = { }, tun_dst =
+ {
+ };
+ ipsec_key_t crypto_key, integ_key;
+ ipsec_crypto_alg_t crypto_alg;
+ ipsec_integ_alg_t integ_alg;
+ ipsec_protocol_t proto;
+ ipsec_sa_flags_t flags;
+ u32 id, spi;
int rv;
-#if WITH_LIBSSL > 0
- ipsec_main_t *im = &ipsec_main;
- ipsec_sa_t sa;
- clib_memset (&sa, 0, sizeof (sa));
+#if WITH_LIBSSL > 0
- sa.id = ntohl (mp->entry.sad_id);
- sa.spi = ntohl (mp->entry.spi);
+ id = ntohl (mp->entry.sad_id);
+ spi = ntohl (mp->entry.spi);
- rv = ipsec_proto_decode (mp->entry.protocol, &sa.protocol);
+ rv = ipsec_proto_decode (mp->entry.protocol, &proto);
if (rv)
goto out;
- rv = ipsec_crypto_algo_decode (mp->entry.crypto_algorithm, &sa.crypto_alg);
+ rv = ipsec_crypto_algo_decode (mp->entry.crypto_algorithm, &crypto_alg);
if (rv)
goto out;
- rv = ipsec_integ_algo_decode (mp->entry.integrity_algorithm, &sa.integ_alg);
+ rv = ipsec_integ_algo_decode (mp->entry.integrity_algorithm, &integ_alg);
if (rv)
goto out;
- vl_api_ipsec_key_decode (&mp->entry.crypto_key,
- &sa.crypto_key_len, sa.crypto_key);
- vl_api_ipsec_key_decode (&mp->entry.integrity_key,
- &sa.integ_key_len, sa.integ_key);
+ ipsec_key_decode (&mp->entry.crypto_key, &crypto_key);
+ ipsec_key_decode (&mp->entry.integrity_key, &integ_key);
- vl_api_ipsec_sad_flags_decode (mp->entry.flags, &sa);
+ flags = ipsec_sa_flags_decode (mp->entry.flags);
- if (sa.is_tunnel_ip6 || sa.is_tunnel)
- {
- ip_address_decode (&mp->entry.tunnel_src, &sa.tunnel_src_addr);
- ip_address_decode (&mp->entry.tunnel_dst, &sa.tunnel_dst_addr);
- }
+ ip_address_decode (&mp->entry.tunnel_src, &tun_src);
+ ip_address_decode (&mp->entry.tunnel_dst, &tun_dst);
- clib_error_t *err = ipsec_check_support_cb (im, &sa);
- if (err)
- {
- clib_warning ("%s", err->what);
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto out;
- }
- rv = ipsec_add_del_sa (vm, &sa, mp->is_add);
+ 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, NULL);
+ else
+ rv = ipsec_sa_del (id);
+
#else
rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto out;
#endif
out:
@@ -525,17 +591,17 @@ vl_api_ipsec_sa_set_key_t_handler (vl_api_ipsec_sa_set_key_t * mp)
{
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
- ipsec_sa_t sa;
- sa.id = ntohl (mp->sa_id);
- vl_api_ipsec_key_decode (&mp->crypto_key,
- &sa.crypto_key_len, sa.crypto_key);
- vl_api_ipsec_key_decode (&mp->integrity_key,
- &sa.integ_key_len, sa.integ_key);
+ id = ntohl (mp->sa_id);
- rv = ipsec_set_sa_key (vm, &sa);
+ 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
@@ -571,8 +637,8 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
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);
- memcpy (&tun.local_ip, mp->local_ip, 4);
- memcpy (&tun.remote_ip, mp->remote_ip, 4);
+ memcpy (&tun.local_ip.ip4, mp->local_ip, 4);
+ memcpy (&tun.remote_ip.ip4, mp->remote_ip, 4);
memcpy (&tun.local_crypto_key, &mp->local_crypto_key,
mp->local_crypto_key_len);
memcpy (&tun.remote_crypto_key, &mp->remote_crypto_key,
@@ -590,11 +656,12 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
rv = VNET_API_ERROR_UNIMPLEMENTED;
#endif
- REPLY_MACRO2 (VL_API_IPSEC_TUNNEL_IF_ADD_DEL_REPLY, (
- {
- rmp->sw_if_index =
- htonl (sw_if_index);
- }));
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_IPSEC_TUNNEL_IF_ADD_DEL_REPLY,
+ ({
+ rmp->sw_if_index = htonl (sw_if_index);
+ }));
+ /* *INDENT-ON* */
}
static void
@@ -608,40 +675,29 @@ send_ipsec_sa_details (ipsec_sa_t * sa, vl_api_registration_t * reg,
mp->_vl_msg_id = ntohs (VL_API_IPSEC_SA_DETAILS);
mp->context = context;
- mp->sa_id = htonl (sa->id);
- mp->sw_if_index = htonl (sw_if_index);
-
- mp->spi = htonl (sa->spi);
- mp->protocol = sa->protocol;
-
- mp->crypto_alg = sa->crypto_alg;
- mp->crypto_key_len = sa->crypto_key_len;
- memcpy (mp->crypto_key, sa->crypto_key, sa->crypto_key_len);
+ mp->entry.sad_id = htonl (sa->id);
+ mp->entry.spi = htonl (sa->spi);
+ mp->entry.protocol = ipsec_proto_encode (sa->protocol);
+ mp->entry.tx_table_id =
+ htonl (fib_table_get_table_id (sa->tx_fib_index, FIB_PROTOCOL_IP4));
- mp->integ_alg = sa->integ_alg;
- mp->integ_key_len = sa->integ_key_len;
- memcpy (mp->integ_key, sa->integ_key, sa->integ_key_len);
+ mp->entry.crypto_algorithm = ipsec_crypto_algo_encode (sa->crypto_alg);
+ ipsec_key_encode (&sa->crypto_key, &mp->entry.crypto_key);
- mp->use_esn = sa->use_esn;
- mp->use_anti_replay = sa->use_anti_replay;
+ mp->entry.integrity_algorithm = ipsec_integ_algo_encode (sa->integ_alg);
+ ipsec_key_encode (&sa->integ_key, &mp->entry.integrity_key);
- mp->is_tunnel = sa->is_tunnel;
- mp->is_tunnel_ip6 = sa->is_tunnel_ip6;
+ mp->entry.flags = ipsec_sad_flags_encode (sa);
if (sa->is_tunnel)
{
- if (sa->is_tunnel_ip6)
- {
- memcpy (mp->tunnel_src_addr, &sa->tunnel_src_addr.ip6, 16);
- memcpy (mp->tunnel_dst_addr, &sa->tunnel_dst_addr.ip6, 16);
- }
- else
- {
- memcpy (mp->tunnel_src_addr, &sa->tunnel_src_addr.ip4, 4);
- memcpy (mp->tunnel_dst_addr, &sa->tunnel_dst_addr.ip4, 4);
- }
+ ip_address_encode (&sa->tunnel_src_addr, IP46_TYPE_ANY,
+ &mp->entry.tunnel_src);
+ ip_address_encode (&sa->tunnel_dst_addr, IP46_TYPE_ANY,
+ &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));
@@ -653,10 +709,6 @@ send_ipsec_sa_details (ipsec_sa_t * sa, vl_api_registration_t * reg,
if (sa->use_anti_replay)
mp->replay_window = clib_host_to_net_u64 (sa->replay_window);
mp->total_data_size = clib_host_to_net_u64 (sa->total_data_size);
- mp->udp_encap = sa->udp_encap;
-
- mp->tx_table_id =
- htonl (fib_table_get_table_id (sa->tx_fib_index, FIB_PROTOCOL_IP4));
vl_api_send_msg (reg, (u8 *) mp);
}