ipsec/ipsec_cli.c
ipsec/ipsec_format.c
ipsec/ipsec_input.c
- ipsec/ipsec_if.c
- ipsec/ipsec_if_in.c
ipsec/ipsec_punt.c
ipsec/ipsec_sa.c
ipsec/ipsec_spd.c
ipsec/esp_decrypt.c
ipsec/ah_decrypt.c
ipsec/ah_encrypt.c
- ipsec/ipsec_if_in.c
ipsec/ipsec_output.c
ipsec/ipsec_input.c
ipsec/ipsec_tun_in.c
ipsec/ipsec_spd.h
ipsec/ipsec_spd_policy.h
ipsec/ipsec_sa.h
- ipsec/ipsec_if.h
+ ipsec/ipsec_tun.h
ipsec/ipsec_punt.h
ipsec/esp.h
ipsec/ah.h
_(RUNT, "undersized packet") \
_(CHAINED_BUFFER, "chained buffers (packet dropped)") \
_(OVERSIZED_HEADER, "buffer with oversized header (dropped)") \
- _(NO_TAIL_SPACE, "no enough buffer tail space (dropped)")
+ _(NO_TAIL_SPACE, "no enough buffer tail space (dropped)") \
+ _(TUN_NO_PROTO, "no tunnel protocol") \
typedef enum
&ip4->dst_address) ||
!ip46_address_is_equal_v4 (&itp->itp_tun.dst,
&ip4->src_address))
- next[0] = ESP_DECRYPT_NEXT_DROP;
-
+ {
+ next[0] = ESP_DECRYPT_NEXT_DROP;
+ b[0]->error =
+ node->errors[ESP_DECRYPT_ERROR_TUN_NO_PROTO];
+ }
}
else if (f->next_header == IP_PROTOCOL_IPV6)
{
&ip6->dst_address) ||
!ip46_address_is_equal_v6 (&itp->itp_tun.dst,
&ip6->src_address))
- next[0] = ESP_DECRYPT_NEXT_DROP;
+ {
+ next[0] = ESP_DECRYPT_NEXT_DROP;
+ b[0]->error =
+ node->errors[ESP_DECRYPT_ERROR_TUN_NO_PROTO];
+ }
}
}
}
.vector_size = sizeof (u32),
.format_trace = format_esp_decrypt_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
.n_errors = ARRAY_LEN(esp_decrypt_error_strings),
.error_strings = esp_decrypt_error_strings,
-
- .n_next_nodes = ESP_DECRYPT_N_NEXT,
- .next_nodes = {
-#define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
- foreach_esp_decrypt_next
-#undef _
- },
+ .sibling_of = "esp4-decrypt",
};
VLIB_REGISTER_NODE (esp6_decrypt_tun_node) = {
.vector_size = sizeof (u32),
.format_trace = format_esp_decrypt_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
.n_errors = ARRAY_LEN(esp_decrypt_error_strings),
.error_strings = esp_decrypt_error_strings,
-
- .n_next_nodes = ESP_DECRYPT_N_NEXT,
- .next_nodes = {
-#define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
- foreach_esp_decrypt_next
-#undef _
- },
+ .sibling_of = "esp6-decrypt",
};
/* *INDENT-ON* */
vl_api_interface_index_t sw_if_index;
};
+/**
+ * @brief Dump all tunnel protections
+ */
define ipsec_tunnel_protect_dump
{
u32 client_index;
};
/** \brief Add or delete IPsec tunnel interface
+
+ !!DEPRECATED!!
+ use the tunnel protect APIs instead
+
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param is_add - add IPsec tunnel interface if nonzero, else delete
};
/** \brief Set new SA on IPsec interface
+
+ !! DEPRECATED !!
+
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param sw_if_index - index of tunnel interface
"%d SA entries configured",
pool_elts (im->sad));
- if (pool_elts (im->tunnel_interfaces))
- return clib_error_return (0,
- "%d tunnel-interface entries configured",
- pool_elts (im->tunnel_interfaces));
-
return (NULL);
}
if ((error = vlib_call_init_function (vm, ipsec_cli_init)))
return error;
- if ((error = vlib_call_init_function (vm, ipsec_tunnel_if_init)))
- return error;
-
vec_validate (im->crypto_algs, IPSEC_CRYPTO_N_ALG - 1);
a = im->crypto_algs + IPSEC_CRYPTO_ALG_NONE;
#include <vnet/ipsec/ipsec_spd.h>
#include <vnet/ipsec/ipsec_spd_policy.h>
#include <vnet/ipsec/ipsec_sa.h>
-#include <vnet/ipsec/ipsec_if.h>
typedef clib_error_t *(*add_del_sa_sess_cb_t) (u32 sa_index, u8 is_add);
typedef clib_error_t *(*check_support_cb_t) (ipsec_sa_t * sa);
/* pool of policies */
ipsec_policy_t *policies;
- /* pool of tunnel interfaces */
- ipsec_tunnel_if_t *tunnel_interfaces;
-
uword *tunnel_index_by_key;
/* convenience */
#include <vnet/ip/ip.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/fib/fib.h>
+#include <vnet/ipip/ipip.h>
#include <vnet/vnet_msg_enum.h>
REPLY_MACRO (VL_API_IPSEC_TUNNEL_PROTECT_DEL_REPLY);
}
-typedef struct ipsec_tunnel_protect_walk_ctx_t_
+typedef struct ipsec_dump_walk_ctx_t_
{
vl_api_registration_t *reg;
u32 context;
-} ipsec_tunnel_protect_walk_ctx_t;
+} ipsec_dump_walk_ctx_t;
static walk_rc_t
send_ipsec_tunnel_protect_details (index_t itpi, void *arg)
{
- ipsec_tunnel_protect_walk_ctx_t *ctx = 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;
if (!reg)
return;
- ipsec_tunnel_protect_walk_ctx_t ctx = {
+ ipsec_dump_walk_ctx_t ctx = {
.reg = reg,
.context = mp->context,
};
return (VNET_API_ERROR_UNIMPLEMENTED);
}
-
static int
ipsec_integ_algo_decode (vl_api_ipsec_integ_alg_t in, ipsec_integ_alg_t * out)
{
#endif
}
+static u32
+ipsec_tun_mk_input_sa_id (u32 ti)
+{
+ return (0x80000000 | ti);
+}
+
+static u32
+ipsec_tun_mk_output_sa_id (u32 ti)
+{
+ return (0xc0000000 | ti);
+}
+
static void
vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
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);
- tun.salt = mp->salt;
- 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,
+ ntohl (mp->show_instance),
+ &local_ip,
+ &remote_ip, fib_index, 0, &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
+ {
+
+ ipip_tunnel_key_t key = {
+ .transport = transport,
+ .fib_index = fib_index,
+ .src = local_ip,
+ .dst = remote_ip
+ };
+ ipip_tunnel_t *t = ipip_tunnel_db_find (&key);
+
+ rv = ipsec_tun_protect_del (t->sw_if_index);
+ ipip_del_tunnel (t->sw_if_index);
+ }
#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;
- }));
+ ipsec_dump_walk_ctx_t ctx = {
+ .reg = reg,
+ .context = mp->context,
+ };
- 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* */
+ ipsec_sa_walk (send_ipsec_sa_details, &ctx);
- vec_free (sa_index_to_tun_if_index);
#else
clib_warning ("unimplemented");
#endif
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);
}
#include <vnet/ip/ip.h>
#include <vnet/interface.h>
#include <vnet/fib/fib.h>
+#include <vnet/ipip/ipip.h>
#include <vnet/ipsec/ipsec.h>
#include <vnet/ipsec/ipsec_tun.h>
/* *INDENT-ON* */
}
-static void
-ipsec_tunnel_show_all (vlib_main_t * vm, ipsec_main_t * im)
+static walk_rc_t
+ipsec_tun_protect_show_one (index_t itpi, void *ctx)
{
- u32 ti;
+ vlib_cli_output (ctx, "%U", format_ipsec_tun_protect, itpi);
- vlib_cli_output (vm, "Tunnel interfaces");
- /* *INDENT-OFF* */
- pool_foreach_index (ti, im->tunnel_interfaces, ({
- vlib_cli_output(vm, " %U", format_ipsec_tunnel, ti);
- }));
- /* *INDENT-ON* */
+ return (WALK_CONTINUE);
+}
+
+static void
+ipsec_tunnel_show_all (vlib_main_t * vm)
+{
+ ipsec_tun_protect_walk (ipsec_tun_protect_show_one, vm);
}
static clib_error_t *
ipsec_sa_show_all (vm, im, 0);
ipsec_spd_show_all (vm, im);
ipsec_spd_bindings_show_all (vm, im);
- ipsec_tunnel_show_all (vm, im);
+ ipsec_tun_protect_walk (ipsec_tun_protect_show_one, vm);
return 0;
}
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- ipsec_main_t *im = &ipsec_main;
- u32 ti = ~0;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "%u", &ti))
- ;
- else
- break;
- }
-
- if (~0 != ti)
- vlib_cli_output (vm, "%U", format_ipsec_tunnel, ti);
- else
- ipsec_tunnel_show_all (vm, im);
+ ipsec_tunnel_show_all (vm);
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_ipsec_tunnel_command, static) = {
.path = "show ipsec tunnel",
- .short_help = "show ipsec tunnel [index]",
+ .short_help = "show ipsec tunnel",
.function = show_ipsec_tunnel_command_fn,
};
/* *INDENT-ON* */
};
/* *INDENT-ON* */
+static u32
+ipsec_tun_mk_local_sa_id (u32 ti)
+{
+ return (0x80000000 | ti);
+}
+
+static u32
+ipsec_tun_mk_remote_sa_id (u32 ti)
+{
+ return (0xc0000000 | ti);
+}
+
static clib_error_t *
create_ipsec_tunnel_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
- ipsec_add_del_tunnel_args_t a;
+ ip46_address_t local_ip = ip46_address_initializer;
+ ip46_address_t remote_ip = ip46_address_initializer;
+ ipsec_crypto_alg_t crypto_alg;
+ ipsec_integ_alg_t integ_alg;
+ ipsec_sa_flags_t flags;
+ u32 local_spi, remote_spi, salt, table_id, fib_index;
+ u32 instance = ~0;
int rv;
u32 num_m_args = 0;
u8 ipv4_set = 0;
u8 ipv6_set = 0;
+ u8 is_add = 1;
clib_error_t *error = NULL;
ipsec_key_t rck = { 0 };
ipsec_key_t lck = { 0 };
ipsec_key_t lik = { 0 };
ipsec_key_t rik = { 0 };
- clib_memset (&a, 0, sizeof (a));
- a.is_add = 1;
+ table_id = 0;
+ flags = IPSEC_SA_FLAG_NONE;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat
- (line_input, "local-ip %U", unformat_ip46_address, &a.local_ip,
+ (line_input, "local-ip %U", unformat_ip46_address, &local_ip,
IP46_TYPE_ANY))
{
- ip46_address_is_ip4 (&a.local_ip) ? (ipv4_set = 1) : (ipv6_set = 1);
+ ip46_address_is_ip4 (&local_ip) ? (ipv4_set = 1) : (ipv6_set = 1);
num_m_args++;
}
else
if (unformat
- (line_input, "remote-ip %U", unformat_ip46_address, &a.remote_ip,
+ (line_input, "remote-ip %U", unformat_ip46_address, &remote_ip,
IP46_TYPE_ANY))
{
- ip46_address_is_ip4 (&a.remote_ip) ? (ipv4_set = 1) : (ipv6_set =
- 1);
+ ip46_address_is_ip4 (&remote_ip) ? (ipv4_set = 1) : (ipv6_set = 1);
num_m_args++;
}
- else if (unformat (line_input, "local-spi %u", &a.local_spi))
+ else if (unformat (line_input, "local-spi %u", &local_spi))
num_m_args++;
- else if (unformat (line_input, "remote-spi %u", &a.remote_spi))
+ else if (unformat (line_input, "remote-spi %u", &remote_spi))
num_m_args++;
- else if (unformat (line_input, "instance %u", &a.show_instance))
- a.renumber = 1;
- else if (unformat (line_input, "salt 0x%x", &a.salt))
+ else if (unformat (line_input, "salt 0x%x", &salt))
;
else if (unformat (line_input, "udp-encap"))
- a.udp_encap = 1;
+ flags |= IPSEC_SA_FLAG_UDP_ENCAP;
else if (unformat (line_input, "use-esn"))
- a.esn = 1;
+ flags |= IPSEC_SA_FLAG_USE_ESN;
else if (unformat (line_input, "use-anti-replay"))
- a.anti_replay = 1;
- else if (unformat (line_input, "tx-table %u", &a.tx_table_id))
+ flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
+ else if (unformat (line_input, "instance %u", &instance))
+ ;
+ else if (unformat (line_input, "tx-table %u", &table_id))
;
else
if (unformat
(line_input, "remote-crypto-key %U", unformat_ipsec_key, &rck))
;
else if (unformat (line_input, "crypto-alg %U",
- unformat_ipsec_crypto_alg, &a.crypto_alg))
+ unformat_ipsec_crypto_alg, &crypto_alg))
;
else
if (unformat
(line_input, "remote-integ-key %U", unformat_ipsec_key, &rik))
;
else if (unformat (line_input, "integ-alg %U",
- unformat_ipsec_integ_alg, &a.integ_alg))
+ unformat_ipsec_integ_alg, &integ_alg))
;
else if (unformat (line_input, "del"))
- a.is_add = 0;
+ is_add = 0;
else
{
error = clib_error_return (0, "unknown input `%U'",
if (ipv4_set && ipv6_set)
return clib_error_return (0, "both IPv4 and IPv6 addresses specified");
- a.is_ip6 = ipv6_set;
-
- clib_memcpy (a.local_crypto_key, lck.data, lck.len);
- a.local_crypto_key_len = lck.len;
- clib_memcpy (a.remote_crypto_key, rck.data, rck.len);
- a.remote_crypto_key_len = rck.len;
+ fib_index = fib_table_find (fib_ip_proto (ipv6_set), table_id);
- clib_memcpy (a.local_integ_key, lik.data, lik.len);
- a.local_integ_key_len = lck.len;
- clib_memcpy (a.remote_integ_key, rik.data, rik.len);
- a.remote_integ_key_len = rck.len;
+ if (~0 == fib_index)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_FIB;
+ goto done;
+ }
- rv = ipsec_add_del_tunnel_if (&a);
+ if (is_add)
+ {
+ // remote = input, local = output
+ u32 sw_if_index;
+
+ /* create an ip-ip tunnel, then the two SA, then bind them */
+ rv =
+ ipip_add_tunnel (ipv6_set ? IPIP_TRANSPORT_IP6 : IPIP_TRANSPORT_IP4,
+ instance, &local_ip, &remote_ip, fib_index, 0,
+ &sw_if_index);
+ rv |=
+ ipsec_sa_add_and_lock (ipsec_tun_mk_local_sa_id (sw_if_index),
+ local_spi, IPSEC_PROTOCOL_ESP, crypto_alg,
+ &lck, integ_alg, &lik, flags, table_id,
+ clib_host_to_net_u32 (salt), &local_ip,
+ &remote_ip, NULL);
+ rv |=
+ ipsec_sa_add_and_lock (ipsec_tun_mk_remote_sa_id (sw_if_index),
+ remote_spi, IPSEC_PROTOCOL_ESP, crypto_alg,
+ &rck, integ_alg, &rik,
+ (flags | IPSEC_SA_FLAG_IS_INBOUND), table_id,
+ clib_host_to_net_u32 (salt), &remote_ip,
+ &local_ip, NULL);
+ rv |=
+ ipsec_tun_protect_update_one (sw_if_index,
+ ipsec_tun_mk_local_sa_id (sw_if_index),
+ ipsec_tun_mk_remote_sa_id
+ (sw_if_index));
+ }
+ else
+ rv = 0;
switch (rv)
{
case 0:
break;
case VNET_API_ERROR_INVALID_VALUE:
- if (a.is_add)
+ if (is_add)
error = clib_error_return (0,
"IPSec tunnel interface already exists...");
else
};
/* *INDENT-ON* */
-static walk_rc_t
-ipsec_tun_protect_show_one (index_t itpi, void *ctx)
-{
- vlib_cli_output (ctx, "%U", format_ipsec_tun_protect, itpi);
-
- return (WALK_CONTINUE);
-}
static clib_error_t *
ipsec_tun_protect_show (vlib_main_t * vm,
return (s);
}
-u8 *
-format_ipsec_tunnel (u8 * s, va_list * args)
-{
- ipsec_main_t *im = &ipsec_main;
- u32 ti = va_arg (*args, u32);
- ipsec_tunnel_if_t *t;
-
- if (pool_is_free_index (im->tunnel_interfaces, ti))
- {
- s = format (s, "No such tunnel index: %d", ti);
- goto done;
- }
-
- t = pool_elt_at_index (im->tunnel_interfaces, ti);
-
- if (t->hw_if_index == ~0)
- goto done;
-
- s =
- format (s, "%U\n", format_vnet_hw_if_index_name, im->vnet_main,
- t->hw_if_index);
-
- s = format (s, " out-bound sa: ");
- s = format (s, "%U\n", format_ipsec_sa, t->output_sa_index,
- IPSEC_FORMAT_BRIEF);
-
- s = format (s, " in-bound sa: ");
- s = format (s, "%U\n", format_ipsec_sa, t->input_sa_index,
- IPSEC_FORMAT_BRIEF);
-
-done:
- return (s);
-}
-
u8 *
format_ipsec_tun_protect (u8 * s, va_list * args)
{
+++ /dev/null
-/*
- * ipsec_if.c : IPSec interface support
- *
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vnet/vnet.h>
-#include <vnet/api_errno.h>
-#include <vnet/ip/ip.h>
-#include <vnet/fib/fib.h>
-#include <vnet/udp/udp.h>
-#include <vnet/adj/adj_midchain.h>
-
-#include <vnet/ipsec/ipsec.h>
-#include <vnet/ipsec/esp.h>
-
-void vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
-
-static u8 *
-format_ipsec_name (u8 * s, va_list * args)
-{
- u32 dev_instance = va_arg (*args, u32);
- ipsec_main_t *im = &ipsec_main;
- ipsec_tunnel_if_t *t = im->tunnel_interfaces + dev_instance;
-
- return format (s, "ipsec%d", t->show_instance);
-}
-
-/* Statistics (not really errors) */
-#define foreach_ipsec_if_tx_error \
-_(TX, "good packets transmitted")
-
-static void
-ipsec_if_tunnel_stack (adj_index_t ai)
-{
- ipsec_main_t *ipm = &ipsec_main;
- ipsec_tunnel_if_t *it;
- ip_adjacency_t *adj;
- u32 sw_if_index;
-
- adj = adj_get (ai);
- sw_if_index = adj->rewrite_header.sw_if_index;
-
- if ((vec_len (ipm->ipsec_if_by_sw_if_index) <= sw_if_index) ||
- (~0 == ipm->ipsec_if_by_sw_if_index[sw_if_index]))
- return;
-
- it = pool_elt_at_index (ipm->tunnel_interfaces,
- ipm->ipsec_if_by_sw_if_index[sw_if_index]);
-
- if (!vnet_hw_interface_is_link_up (vnet_get_main (), it->hw_if_index))
- {
- adj_midchain_delegate_unstack (ai);
- }
- else
- {
- ipsec_sa_t *sa;
-
- sa = ipsec_sa_get (it->output_sa_index);
-
- /* *INDENT-OFF* */
- fib_prefix_t pfx = {
- .fp_addr = sa->tunnel_dst_addr,
- .fp_len = (ipsec_sa_is_set_IS_TUNNEL_V6(sa) ? 128 : 32),
- .fp_proto = (ipsec_sa_is_set_IS_TUNNEL_V6(sa) ?
- FIB_PROTOCOL_IP6 :
- FIB_PROTOCOL_IP4),
- };
- /* *INDENT-ON* */
-
- adj_midchain_delegate_stack (ai, sa->tx_fib_index, &pfx);
- }
-}
-
-/**
- * @brief Call back when restacking all adjacencies on a IPSec interface
- */
-static adj_walk_rc_t
-ipsec_if_adj_walk_cb (adj_index_t ai, void *ctx)
-{
- ipsec_if_tunnel_stack (ai);
-
- return (ADJ_WALK_RC_CONTINUE);
-}
-
-static void
-ipsec_if_tunnel_restack (ipsec_tunnel_if_t * it)
-{
- fib_protocol_t proto;
-
- /*
- * walk all the adjacencies on the IPSec interface and restack them
- */
- FOR_EACH_FIB_IP_PROTOCOL (proto)
- {
- adj_nbr_walk (it->sw_if_index, proto, ipsec_if_adj_walk_cb, NULL);
- }
-}
-
-static clib_error_t *
-ipsec_admin_up_down_function (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
-{
- ipsec_main_t *im = &ipsec_main;
- clib_error_t *err = 0;
- ipsec_tunnel_if_t *t;
- vnet_hw_interface_t *hi;
- ipsec_sa_t *sa;
-
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- t = pool_elt_at_index (im->tunnel_interfaces, hi->hw_instance);
- t->flags = flags;
-
- if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
- {
- sa = pool_elt_at_index (im->sad, t->input_sa_index);
-
- err = ipsec_check_support_cb (im, sa);
- if (err)
- return err;
-
- err = ipsec_add_del_sa_sess_cb (im, t->input_sa_index, 1);
- if (err)
- return err;
-
- sa = pool_elt_at_index (im->sad, t->output_sa_index);
-
- err = ipsec_check_support_cb (im, sa);
- if (err)
- return err;
-
- err = ipsec_add_del_sa_sess_cb (im, t->output_sa_index, 1);
- if (err)
- return err;
-
- vnet_hw_interface_set_flags (vnm, hw_if_index,
- VNET_HW_INTERFACE_FLAG_LINK_UP);
- }
- else
- {
- vnet_hw_interface_set_flags (vnm, hw_if_index, 0 /* down */ );
- sa = pool_elt_at_index (im->sad, t->input_sa_index);
- err = ipsec_add_del_sa_sess_cb (im, t->input_sa_index, 0);
- if (err)
- return err;
- sa = pool_elt_at_index (im->sad, t->output_sa_index);
- err = ipsec_add_del_sa_sess_cb (im, t->output_sa_index, 0);
- if (err)
- return err;
- }
-
- ipsec_if_tunnel_restack (t);
-
- return (NULL);
-}
-
-static u8 *
-ipsec_if_build_rewrite (vnet_main_t * vnm,
- u32 sw_if_index,
- vnet_link_t link_type, const void *dst_address)
-{
- return (NULL);
-}
-
-static void
-ipsec_if_update_adj (vnet_main_t * vnm, u32 sw_if_index, adj_index_t ai)
-{
- adj_nbr_midchain_update_rewrite
- (ai, NULL, NULL, ADJ_FLAG_MIDCHAIN_IP_STACK,
- ipsec_if_build_rewrite (vnm, sw_if_index, adj_get_link_type (ai), NULL));
-
- ipsec_if_tunnel_stack (ai);
-}
-
-/* *INDENT-OFF* */
-VNET_DEVICE_CLASS (ipsec_device_class) =
-{
- .name = "IPSec",
- .format_device_name = format_ipsec_name,
- .admin_up_down_function = ipsec_admin_up_down_function,
-};
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-VNET_HW_INTERFACE_CLASS (ipsec_hw_class) =
-{
- .name = "IPSec",
- .build_rewrite = default_build_rewrite,
- .update_adjacency = ipsec_if_update_adj,
- .flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P,
-};
-/* *INDENT-ON* */
-
-static int
-ipsec_add_del_tunnel_if_rpc_callback (ipsec_add_del_tunnel_args_t * a)
-{
- vnet_main_t *vnm = vnet_get_main ();
- ASSERT (vlib_get_thread_index () == 0);
-
- return ipsec_add_del_tunnel_if_internal (vnm, a, NULL);
-}
-
-int
-ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args)
-{
- vl_api_rpc_call_main_thread (ipsec_add_del_tunnel_if_rpc_callback,
- (u8 *) args, sizeof (*args));
- return 0;
-}
-
-static u32
-ipsec_tun_mk_input_sa_id (u32 ti)
-{
- return (0x80000000 | ti);
-}
-
-static u32
-ipsec_tun_mk_output_sa_id (u32 ti)
-{
- return (0xc0000000 | ti);
-}
-
-static void
-ipsec_tunnel_feature_set (ipsec_main_t * im, ipsec_tunnel_if_t * t, u8 enable)
-{
- u8 arc;
- u32 esp4_feature_index, esp6_feature_index;
- ipsec_sa_t *sa;
-
- sa = ipsec_sa_get (t->output_sa_index);
- if (sa->crypto_alg == IPSEC_CRYPTO_ALG_NONE &&
- sa->integ_alg == IPSEC_INTEG_ALG_NONE)
- {
- esp4_feature_index = im->esp4_no_crypto_tun_feature_index;
- esp6_feature_index = im->esp6_no_crypto_tun_feature_index;
- }
- else
- {
- esp4_feature_index = im->esp4_encrypt_tun_feature_index;
- esp6_feature_index = im->esp6_encrypt_tun_feature_index;
- }
-
- arc = vnet_get_feature_arc_index ("ip4-output");
-
- vnet_feature_enable_disable_with_index (arc, esp4_feature_index,
- t->sw_if_index, enable,
- &t->output_sa_index,
- sizeof (t->output_sa_index));
-
- arc = vnet_get_feature_arc_index ("ip6-output");
-
- vnet_feature_enable_disable_with_index (arc, esp6_feature_index,
- t->sw_if_index, enable,
- &t->output_sa_index,
- sizeof (t->output_sa_index));
-}
-
-int
-ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
- ipsec_add_del_tunnel_args_t * args,
- u32 * sw_if_index_p)
-{
- ipsec_tunnel_if_t *t;
- ipsec_main_t *im = &ipsec_main;
- vnet_hw_interface_t *hi = NULL;
- u32 hw_if_index = ~0;
- u32 sw_if_index = ~0;
- uword *p;
- u32 dev_instance;
- ipsec_key_t crypto_key, integ_key;
- ipsec_sa_flags_t flags;
- int rv;
- int is_ip6 = args->is_ip6;
- ipsec4_tunnel_key_t key4;
- ipsec6_tunnel_key_t key6;
-
- if (!is_ip6)
- {
- key4.remote_ip.as_u32 = args->remote_ip.ip4.as_u32;
- key4.spi = clib_host_to_net_u32 (args->remote_spi);
- p = hash_get (im->ipsec4_if_pool_index_by_key, key4.as_u64);
- }
- else
- {
- key6.remote_ip = args->remote_ip.ip6;
- key6.spi = clib_host_to_net_u32 (args->remote_spi);
- p = hash_get_mem (im->ipsec6_if_pool_index_by_key, &key6);
- }
-
- if (args->is_add)
- {
- /* check if same src/dst pair exists */
- if (p)
- return VNET_API_ERROR_INVALID_VALUE;
-
- pool_get_aligned_zero (im->tunnel_interfaces, t, CLIB_CACHE_LINE_BYTES);
-
- dev_instance = t - im->tunnel_interfaces;
- if (args->renumber)
- t->show_instance = args->show_instance;
- else
- t->show_instance = dev_instance;
-
- if (hash_get (im->ipsec_if_real_dev_by_show_dev, t->show_instance))
- {
- pool_put (im->tunnel_interfaces, t);
- return VNET_API_ERROR_INSTANCE_IN_USE;
- }
-
- hash_set (im->ipsec_if_real_dev_by_show_dev, t->show_instance,
- dev_instance);
-
- flags = IPSEC_SA_FLAG_IS_TUNNEL;
- if (args->is_ip6)
- flags |= IPSEC_SA_FLAG_IS_TUNNEL_V6;
- if (args->udp_encap)
- flags |= IPSEC_SA_FLAG_UDP_ENCAP;
- if (args->esn)
- flags |= IPSEC_SA_FLAG_USE_ESN;
- if (args->anti_replay)
- flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
-
- ipsec_mk_key (&crypto_key,
- args->remote_crypto_key, args->remote_crypto_key_len);
- ipsec_mk_key (&integ_key,
- args->remote_integ_key, args->remote_integ_key_len);
-
- rv = ipsec_sa_add_and_lock (ipsec_tun_mk_input_sa_id (dev_instance),
- args->remote_spi,
- IPSEC_PROTOCOL_ESP,
- args->crypto_alg,
- &crypto_key,
- args->integ_alg,
- &integ_key,
- (flags | IPSEC_SA_FLAG_IS_INBOUND),
- args->tx_table_id,
- args->salt,
- &args->remote_ip,
- &args->local_ip, &t->input_sa_index);
-
- if (rv)
- return rv;
-
- ipsec_mk_key (&crypto_key,
- args->local_crypto_key, args->local_crypto_key_len);
- ipsec_mk_key (&integ_key,
- args->local_integ_key, args->local_integ_key_len);
-
- rv = ipsec_sa_add_and_lock (ipsec_tun_mk_output_sa_id (dev_instance),
- args->local_spi,
- IPSEC_PROTOCOL_ESP,
- args->crypto_alg,
- &crypto_key,
- args->integ_alg,
- &integ_key,
- flags,
- args->tx_table_id,
- args->salt,
- &args->local_ip,
- &args->remote_ip, &t->output_sa_index);
-
- if (rv)
- return rv;
-
- /* copy the key */
- if (is_ip6)
- hash_set_mem_alloc (&im->ipsec6_if_pool_index_by_key, &key6,
- t - im->tunnel_interfaces);
- else
- hash_set (im->ipsec4_if_pool_index_by_key, key4.as_u64,
- t - im->tunnel_interfaces);
-
- hw_if_index = vnet_register_interface (vnm, ipsec_device_class.index,
- t - im->tunnel_interfaces,
- ipsec_hw_class.index,
- t - im->tunnel_interfaces);
-
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- sw_if_index = hi->sw_if_index;
-
- t->hw_if_index = hw_if_index;
- t->sw_if_index = hi->sw_if_index;
-
- /* Standard default jumbo MTU. */
- vnet_sw_interface_set_mtu (vnm, t->sw_if_index, 9000);
-
- /* Add the new tunnel to the DB of tunnels per sw_if_index ... */
- vec_validate_init_empty (im->ipsec_if_by_sw_if_index, t->sw_if_index,
- ~0);
- im->ipsec_if_by_sw_if_index[t->sw_if_index] = dev_instance;
-
- ipsec_tunnel_feature_set (im, t, 1);
-
- /*1st interface, register protocol */
- if (pool_elts (im->tunnel_interfaces) == 1)
- {
- ip4_register_protocol (IP_PROTOCOL_IPSEC_ESP,
- ipsec4_if_input_node.index);
- ip6_register_protocol (IP_PROTOCOL_IPSEC_ESP,
- ipsec6_if_input_node.index);
- }
-
- }
- else
- {
- u32 ti;
-
- /* check if exists */
- if (!p)
- return VNET_API_ERROR_INVALID_VALUE;
-
- ti = p[0];
- t = pool_elt_at_index (im->tunnel_interfaces, ti);
- hi = vnet_get_hw_interface (vnm, t->hw_if_index);
- sw_if_index = hi->sw_if_index;
-
- vnet_sw_interface_set_flags (vnm, hi->sw_if_index, 0); /* admin down */
-
- ipsec_tunnel_feature_set (im, t, 0);
- vnet_delete_hw_interface (vnm, t->hw_if_index);
-
- if (is_ip6)
- hash_unset_mem_free (&im->ipsec6_if_pool_index_by_key, &key6);
- else
- hash_unset (im->ipsec4_if_pool_index_by_key, key4.as_u64);
- hash_unset (im->ipsec_if_real_dev_by_show_dev, t->show_instance);
-
- im->ipsec_if_by_sw_if_index[t->sw_if_index] = ~0;
-
- /* delete input and output SA */
- ipsec_sa_unlock (t->input_sa_index);
- ipsec_sa_unlock (t->output_sa_index);
-
- pool_put (im->tunnel_interfaces, t);
- }
-
- if (sw_if_index_p)
- *sw_if_index_p = sw_if_index;
-
- return 0;
-}
-
-int
-ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index, u32 sa_id,
- u8 is_outbound)
-{
- ipsec_main_t *im = &ipsec_main;
- vnet_hw_interface_t *hi;
- ipsec_tunnel_if_t *t;
- ipsec_sa_t *sa, *old_sa;
- u32 sa_index, old_sa_index;
- uword *p;
-
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- t = pool_elt_at_index (im->tunnel_interfaces, hi->dev_instance);
-
- sa_index = ipsec_sa_find_and_lock (sa_id);
-
- if (INDEX_INVALID == sa_index)
- {
- clib_warning ("SA with ID %u not found", sa_id);
- return VNET_API_ERROR_NO_SUCH_ENTRY;
- }
-
- sa = pool_elt_at_index (im->sad, sa_index);
-
- if (!is_outbound)
- {
- old_sa_index = t->input_sa_index;
- old_sa = pool_elt_at_index (im->sad, old_sa_index);
-
- if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ^
- ipsec_sa_is_set_IS_TUNNEL_V6 (old_sa))
- {
- clib_warning ("IPsec interface SA endpoints type can't be changed");
- return VNET_API_ERROR_INVALID_VALUE;
- }
-
- if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa))
- {
- ipsec6_tunnel_key_t key;
-
- /* unset old inbound hash entry. packets should stop arriving */
- key.remote_ip = old_sa->tunnel_src_addr.ip6;
- key.spi = clib_host_to_net_u32 (old_sa->spi);
-
- p = hash_get_mem (im->ipsec6_if_pool_index_by_key, &key);
- if (p)
- hash_unset_mem_free (&im->ipsec6_if_pool_index_by_key, &key);
-
- /* set new inbound SA, then set new hash entry */
- t->input_sa_index = sa_index;
- key.remote_ip = sa->tunnel_src_addr.ip6;
- key.spi = clib_host_to_net_u32 (sa->spi);
-
- hash_set_mem_alloc (&im->ipsec6_if_pool_index_by_key, &key,
- hi->dev_instance);
- }
- else
- {
- ipsec4_tunnel_key_t key;
-
- /* unset old inbound hash entry. packets should stop arriving */
- key.remote_ip.as_u32 = old_sa->tunnel_src_addr.ip4.as_u32;
- key.spi = clib_host_to_net_u32 (old_sa->spi);
-
- p = hash_get (im->ipsec4_if_pool_index_by_key, key.as_u64);
- if (p)
- hash_unset (im->ipsec4_if_pool_index_by_key, key.as_u64);
-
- /* set new inbound SA, then set new hash entry */
- t->input_sa_index = sa_index;
- key.remote_ip.as_u32 = sa->tunnel_src_addr.ip4.as_u32;
- key.spi = clib_host_to_net_u32 (sa->spi);
-
- hash_set (im->ipsec4_if_pool_index_by_key, key.as_u64,
- hi->dev_instance);
- }
- }
- else
- {
- old_sa_index = t->output_sa_index;
- old_sa = pool_elt_at_index (im->sad, old_sa_index);
-
- if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ^
- ipsec_sa_is_set_IS_TUNNEL_V6 (old_sa))
- {
- clib_warning ("IPsec interface SA endpoints type can't be changed");
- return VNET_API_ERROR_INVALID_VALUE;
- }
-
- /*
- * re-enable the feature to get the new SA in
- * the workers are stopped so no packets are sent in the clear
- */
- ipsec_tunnel_feature_set (im, t, 0);
- t->output_sa_index = sa_index;
- ipsec_tunnel_feature_set (im, t, 1);
- }
-
- /* remove sa_id to sa_index mapping on old SA */
- hash_unset (im->sa_index_by_sa_id, old_sa->id);
-
- if (ipsec_add_del_sa_sess_cb (im, old_sa_index, 0))
- {
- clib_warning ("IPsec backend add/del callback returned error");
- return VNET_API_ERROR_SYSCALL_ERROR_1;
- }
-
- ipsec_sa_unlock (old_sa_index);
-
- return 0;
-}
-
-clib_error_t *
-ipsec_tunnel_if_init (vlib_main_t * vm)
-{
- ipsec_main_t *im = &ipsec_main;
-
- /* initialize the ipsec-if ip4 hash */
- im->ipsec4_if_pool_index_by_key =
- hash_create (0, sizeof (ipsec4_tunnel_key_t));
- /* initialize the ipsec-if ip6 hash */
- im->ipsec6_if_pool_index_by_key = hash_create_mem (0,
- sizeof
- (ipsec6_tunnel_key_t),
- sizeof (uword));
- im->ipsec_if_real_dev_by_show_dev = hash_create (0, sizeof (uword));
-
- /* set up feature nodes to drop outbound packets with no crypto alg set */
- ipsec_add_feature ("ip4-output", "esp4-no-crypto",
- &im->esp4_no_crypto_tun_feature_index);
- ipsec_add_feature ("ip6-output", "esp6-no-crypto",
- &im->esp6_no_crypto_tun_feature_index);
-
- udp_register_dst_port (vlib_get_main (),
- UDP_DST_PORT_ipsec, ipsec4_if_input_node.index, 1);
- return 0;
-}
-
-VLIB_INIT_FUNCTION (ipsec_tunnel_if_init);
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef __IPSEC_IF_H__
-#define __IPSEC_IF_H__
-
-#include <vnet/ipsec/ipsec_sa.h>
-
-typedef struct
-{
- /* Required for pool_get_aligned */
- CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
- u32 input_sa_index;
- u32 output_sa_index;
- u32 hw_if_index;
- u32 sw_if_index;
- vnet_hw_interface_flags_t flags;
- u32 show_instance;
-} ipsec_tunnel_if_t;
-
-typedef struct
-{
- u8 is_add;
- u8 is_ip6;
- u8 esn;
- u8 anti_replay;
- ip46_address_t local_ip, remote_ip;
- u32 local_spi;
- u32 remote_spi;
- ipsec_crypto_alg_t crypto_alg;
- u8 local_crypto_key_len;
- u8 local_crypto_key[128];
- u8 remote_crypto_key_len;
- u8 remote_crypto_key[128];
- ipsec_integ_alg_t integ_alg;
- u8 local_integ_key_len;
- u8 local_integ_key[128];
- u8 remote_integ_key_len;
- u8 remote_integ_key[128];
- u8 renumber;
- u32 show_instance;
- u8 udp_encap;
- u32 tx_table_id;
- u32 salt;
-} ipsec_add_del_tunnel_args_t;
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED
-(struct {
- /*
- * Key fields: remote ip and spi on incoming packet
- * all fields in NET byte order
- */
- union {
- struct {
- ip4_address_t remote_ip;
- u32 spi;
- };
- u64 as_u64;
- };
-}) ipsec4_tunnel_key_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED
-(struct {
- /*
- * Key fields: remote ip and spi on incoming packet
- * all fields in NET byte order
- */
- ip6_address_t remote_ip;
- u32 spi;
-}) ipsec6_tunnel_key_t;
-/* *INDENT-ON* */
-
-extern u8 *format_ipsec4_tunnel_key (u8 * s, va_list * args);
-extern u8 *format_ipsec6_tunnel_key (u8 * s, va_list * args);
-
-extern int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
- ipsec_add_del_tunnel_args_t *
- args, u32 * sw_if_index);
-extern int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args);
-
-extern int ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index,
- u32 sa_id, u8 is_outbound);
-
-extern u8 *format_ipsec_tunnel (u8 * s, va_list * args);
-
-#endif /* __IPSEC_IF_H__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-/*
- * ipsec_if_in.c : IPSec interface input node
- *
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vnet/vnet.h>
-#include <vnet/api_errno.h>
-#include <vnet/ip/ip.h>
-
-#include <vnet/ipsec/ipsec.h>
-#include <vnet/ipsec/esp.h>
-#include <vnet/ipsec/ipsec_io.h>
-#include <vnet/ipsec/ipsec_punt.h>
-
-/* Statistics (not really errors) */
-#define foreach_ipsec_if_input_error \
-_(RX, "good packets received") \
-_(DISABLED, "ipsec packets received on disabled interface") \
-_(NO_TUNNEL, "no matching tunnel") \
-_(NAT_KEEPALIVE, "NAT Keepalive") \
-_(TOO_SHORT, "Too Short") \
-_(SPI_0, "SPI 0")
-
-static char *ipsec_if_input_error_strings[] = {
-#define _(sym,string) string,
- foreach_ipsec_if_input_error
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) IPSEC_IF_INPUT_ERROR_##sym,
- foreach_ipsec_if_input_error
-#undef _
- IPSEC_IF_INPUT_N_ERROR,
-} ipsec_if_input_error_t;
-
-
-typedef struct
-{
- union
- {
- ipsec4_tunnel_key_t key4;
- ipsec6_tunnel_key_t key6;
- };
- u8 is_ip6;
- u32 seq;
-} ipsec_if_input_trace_t;
-
-static u8 *
-format_ipsec_if_input_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- ipsec_if_input_trace_t *t = va_arg (*args, ipsec_if_input_trace_t *);
-
- if (t->is_ip6)
- s = format (s, "IPSec: %U seq %u",
- format_ipsec6_tunnel_key, &t->key6, t->seq);
- else
- s = format (s, "IPSec: %U seq %u",
- format_ipsec4_tunnel_key, &t->key4, t->seq);
- return s;
-}
-
-always_inline u16
-ipsec_ip4_if_no_tunnel (vlib_node_runtime_t * node,
- vlib_buffer_t * b,
- const esp_header_t * esp,
- const ip4_header_t * ip4, u16 offset)
-{
- if (PREDICT_FALSE (0 == esp->spi))
- {
- b->error = node->errors[IPSEC_IF_INPUT_ERROR_SPI_0];
- b->punt_reason =
- ipsec_punt_reason[(ip4->protocol == IP_PROTOCOL_UDP ?
- IPSEC_PUNT_IP4_SPI_UDP_0 :
- IPSEC_PUNT_IP4_NO_SUCH_TUNNEL)];
- }
- else
- {
- b->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
- b->punt_reason = ipsec_punt_reason[IPSEC_PUNT_IP4_NO_SUCH_TUNNEL];
- }
- vlib_buffer_advance (b, -offset);
- return IPSEC_INPUT_NEXT_PUNT;
-}
-
-always_inline u16
-ipsec_ip6_if_no_tunnel (vlib_node_runtime_t * node,
- vlib_buffer_t * b,
- const esp_header_t * esp, u16 offset)
-{
- b->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
- b->punt_reason = ipsec_punt_reason[IPSEC_PUNT_IP6_NO_SUCH_TUNNEL];
-
- vlib_buffer_advance (b, -offset);
- return (IPSEC_INPUT_NEXT_PUNT);
-}
-
-always_inline uword
-ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame, int is_ip6)
-{
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
- vnet_interface_main_t *vim = &vnm->interface_main;
-
- int is_trace = node->flags & VLIB_NODE_FLAG_TRACE;
- u32 thread_index = vm->thread_index;
-
- u32 n_left_from, *from;
- u16 nexts[VLIB_FRAME_SIZE], *next;
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
-
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
-
- vlib_get_buffers (vm, from, bufs, n_left_from);
- b = bufs;
- next = nexts;
-
- clib_memset_u16 (nexts, im->esp4_decrypt_next_index, n_left_from);
-
- u64 n_bytes = 0, n_packets = 0;
- u32 n_disabled = 0, n_no_tunnel = 0;
-
- u32 last_sw_if_index = ~0;
- u32 last_tunnel_id = ~0;
- ipsec4_tunnel_key_t last_key4;
- ipsec6_tunnel_key_t last_key6;
-
- vlib_combined_counter_main_t *rx_counter;
- vlib_combined_counter_main_t *drop_counter;
-
- if (is_ip6)
- clib_memset (&last_key6, 0xff, sizeof (last_key6));
- else
- last_key4.as_u64 = ~0;
-
- rx_counter = vim->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX;
- drop_counter = vim->combined_sw_if_counters + VNET_INTERFACE_COUNTER_DROP;
-
- while (n_left_from >= 2)
- {
- u32 sw_if_index0, sw_if_index1;
- ip4_header_t *ip40, *ip41;
- ip6_header_t *ip60, *ip61;
- esp_header_t *esp0, *esp1;
- u32 len0, len1;
- u16 buf_adv0, buf_adv1;
- u16 buf_rewind0, buf_rewind1;
- u32 tid0, tid1;
- ipsec_tunnel_if_t *t0, *t1;
- ipsec4_tunnel_key_t key40, key41;
- ipsec6_tunnel_key_t key60, key61;
-
- if (n_left_from >= 4)
- {
- CLIB_PREFETCH (b[2], CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (b[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (b[3], CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (b[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- ip40 =
- (ip4_header_t *) (b[0]->data + vnet_buffer (b[0])->l3_hdr_offset);
- ip41 =
- (ip4_header_t *) (b[1]->data + vnet_buffer (b[1])->l3_hdr_offset);
-
- if (is_ip6)
- {
- ip60 = (ip6_header_t *) ip40;
- ip61 = (ip6_header_t *) ip41;
- esp0 = (esp_header_t *) ((u8 *) ip60 + sizeof (ip6_header_t));
- esp1 = (esp_header_t *) ((u8 *) ip61 + sizeof (ip6_header_t));
- buf_adv0 = sizeof (ip6_header_t);
- buf_adv1 = sizeof (ip6_header_t);
- }
- else
- {
- /* NAT UDP port 4500 case, don't advance any more */
- if (ip40->protocol == IP_PROTOCOL_UDP)
- {
- esp0 =
- (esp_header_t *) ((u8 *) ip40 + ip4_header_bytes (ip40) +
- sizeof (udp_header_t));
- buf_adv0 = 0;
- buf_rewind0 = ip4_header_bytes (ip40) + sizeof (udp_header_t);
- }
- else
- {
- esp0 = (esp_header_t *) ((u8 *) ip40 + ip4_header_bytes (ip40));
- buf_rewind0 = buf_adv0 = ip4_header_bytes (ip40);
- }
- /* NAT UDP port 4500 case, don't advance any more */
- if (ip41->protocol == IP_PROTOCOL_UDP)
- {
- esp1 =
- (esp_header_t *) ((u8 *) ip41 + ip4_header_bytes (ip41) +
- sizeof (udp_header_t));
- buf_adv1 = 0;
- buf_rewind1 = ip4_header_bytes (ip41) + sizeof (udp_header_t);
- }
- else
- {
- esp1 = (esp_header_t *) ((u8 *) ip41 + ip4_header_bytes (ip41));
- buf_rewind1 = buf_adv1 = ip4_header_bytes (ip41);
- }
- }
-
- vlib_buffer_advance (b[0], buf_adv0);
- vlib_buffer_advance (b[1], buf_adv1);
-
- len0 = vlib_buffer_length_in_chain (vm, b[0]);
- len1 = vlib_buffer_length_in_chain (vm, b[1]);
-
- /* If the packet is too short to contain an SPI, then maybe
- * it's a keep alive */
- if (len0 < sizeof (esp_header_t))
- {
- if (esp0->spi_bytes[0] == 0xff)
- b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_NAT_KEEPALIVE];
- else
- b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_TOO_SHORT];
-
- next[0] = IPSEC_INPUT_NEXT_DROP;
- goto pkt1;
- }
-
- if (is_ip6)
- {
- key60.remote_ip = ip60->src_address;
- key60.spi = esp0->spi;
-
- if (memcmp (&key60, &last_key6, sizeof (last_key6)) == 0)
- {
- tid0 = last_tunnel_id;
- }
- else
- {
- uword *p =
- hash_get_mem (im->ipsec6_if_pool_index_by_key, &key60);
- if (p)
- {
- tid0 = p[0];
- last_tunnel_id = tid0;
- clib_memcpy_fast (&last_key6, &key60, sizeof (key60));
- }
- else
- {
- next[0] =
- ipsec_ip6_if_no_tunnel (node, b[0], esp0, buf_adv0);
- n_no_tunnel++;
- goto pkt1;
- }
- }
- }
- else /* !is_ip6 */
- {
- key40.remote_ip = ip40->src_address;
- key40.spi = esp0->spi;
-
- if (key40.as_u64 == last_key4.as_u64)
- {
- tid0 = last_tunnel_id;
- }
- else
- {
- uword *p =
- hash_get (im->ipsec4_if_pool_index_by_key, key40.as_u64);
- if (p)
- {
- tid0 = p[0];
- last_tunnel_id = tid0;
- last_key4.as_u64 = key40.as_u64;
- }
- else
- {
- next[0] =
- ipsec_ip4_if_no_tunnel (node, b[0], esp0, ip40,
- buf_rewind0);
- n_no_tunnel++;
- goto pkt1;
- }
- }
- }
-
- t0 = pool_elt_at_index (im->tunnel_interfaces, tid0);
- vnet_buffer (b[0])->ipsec.sad_index = t0->input_sa_index;
-
- if (PREDICT_TRUE (t0->hw_if_index != ~0))
- {
- sw_if_index0 = t0->sw_if_index;
- vnet_buffer (b[0])->sw_if_index[VLIB_RX] = sw_if_index0;
-
- if (PREDICT_FALSE (!(t0->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)))
- {
- vlib_increment_combined_counter
- (drop_counter, thread_index, sw_if_index0, 1, len0);
- n_disabled++;
- b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_DISABLED];
- next[0] = IPSEC_INPUT_NEXT_DROP;
- goto pkt1;
- }
-
- if (PREDICT_TRUE (sw_if_index0 == last_sw_if_index))
- {
- n_packets++;
- n_bytes += len0;
- }
- else
- {
- if (n_packets)
- {
- vlib_increment_combined_counter
- (rx_counter, thread_index, last_sw_if_index,
- n_packets, n_bytes);
- }
-
- last_sw_if_index = sw_if_index0;
- n_packets = 1;
- n_bytes = len0;
- }
- }
-
- pkt1:
-
- if (len1 < sizeof (esp_header_t))
- {
- if (esp0->spi_bytes[0] == 0xff)
- b[1]->error = node->errors[IPSEC_IF_INPUT_ERROR_NAT_KEEPALIVE];
- else
- b[1]->error = node->errors[IPSEC_IF_INPUT_ERROR_TOO_SHORT];
-
- next[1] = IPSEC_INPUT_NEXT_DROP;
- goto trace1;
- }
-
- if (is_ip6)
- {
- key61.remote_ip = ip61->src_address;
- key61.spi = esp1->spi;
-
- if (memcmp (&key61, &last_key6, sizeof (last_key6)) == 0)
- {
- tid1 = last_tunnel_id;
- }
- else
- {
- uword *p =
- hash_get_mem (im->ipsec6_if_pool_index_by_key, &key61);
- if (p)
- {
- tid1 = p[0];
- last_tunnel_id = tid1;
- clib_memcpy_fast (&last_key6, &key61, sizeof (key61));
- }
- else
- {
- next[1] =
- ipsec_ip6_if_no_tunnel (node, b[1], esp1, buf_adv1);
- n_no_tunnel++;
- goto trace1;
- }
- }
- }
- else /* !is_ip6 */
- {
- key41.remote_ip = ip41->src_address;
- key41.spi = esp1->spi;
-
- if (key41.as_u64 == last_key4.as_u64)
- {
- tid1 = last_tunnel_id;
- }
- else
- {
- uword *p =
- hash_get (im->ipsec4_if_pool_index_by_key, key41.as_u64);
- if (p)
- {
- tid1 = p[0];
- last_tunnel_id = tid1;
- last_key4.as_u64 = key41.as_u64;
- }
- else
- {
- next[1] =
- ipsec_ip4_if_no_tunnel (node, b[1], esp1, ip41,
- buf_rewind1);
- n_no_tunnel++;
- goto trace1;
- }
- }
- }
-
- t1 = pool_elt_at_index (im->tunnel_interfaces, tid1);
- vnet_buffer (b[1])->ipsec.sad_index = t1->input_sa_index;
-
- if (PREDICT_TRUE (t1->hw_if_index != ~0))
- {
- sw_if_index1 = t1->sw_if_index;
- vnet_buffer (b[1])->sw_if_index[VLIB_RX] = sw_if_index1;
-
- if (PREDICT_FALSE (!(t1->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)))
- {
- vlib_increment_combined_counter
- (drop_counter, thread_index, sw_if_index1, 1, len1);
- n_disabled++;
- b[1]->error = node->errors[IPSEC_IF_INPUT_ERROR_DISABLED];
- next[1] = IPSEC_INPUT_NEXT_DROP;
- goto trace1;
- }
-
- if (PREDICT_TRUE (sw_if_index1 == last_sw_if_index))
- {
- n_packets++;
- n_bytes += len1;
- }
- else
- {
- if (n_packets)
- {
- vlib_increment_combined_counter
- (rx_counter, thread_index, last_sw_if_index,
- n_packets, n_bytes);
- }
-
- last_sw_if_index = sw_if_index1;
- n_packets = 1;
- n_bytes = len1;
- }
- }
-
- trace1:
- if (PREDICT_FALSE (is_trace))
- {
- if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
- {
- ipsec_if_input_trace_t *tr =
- vlib_add_trace (vm, node, b[0], sizeof (*tr));
- if (is_ip6)
- clib_memcpy (&tr->key6, &key60, sizeof (tr->key6));
- else
- clib_memcpy (&tr->key4, &key40, sizeof (tr->key4));
- tr->is_ip6 = is_ip6;
- tr->seq =
- len0 >=
- sizeof (*esp0) ? clib_host_to_net_u32 (esp0->seq) : ~0;
- }
- if (b[1]->flags & VLIB_BUFFER_IS_TRACED)
- {
- ipsec_if_input_trace_t *tr =
- vlib_add_trace (vm, node, b[1], sizeof (*tr));
- if (is_ip6)
- clib_memcpy (&tr->key6, &key61, sizeof (tr->key6));
- else
- clib_memcpy (&tr->key4, &key41, sizeof (tr->key4));
- tr->is_ip6 = is_ip6;
- tr->seq =
- len1 >=
- sizeof (*esp1) ? clib_host_to_net_u32 (esp1->seq) : ~0;
- }
- }
-
- /* next */
- b += 2;
- next += 2;
- n_left_from -= 2;
- }
- while (n_left_from > 0)
- {
- u32 sw_if_index0;
- ip4_header_t *ip40;
- ip6_header_t *ip60;
- esp_header_t *esp0;
- u32 len0;
- u16 buf_adv0, buf_rewind0;
- u32 tid0;
- ipsec_tunnel_if_t *t0;
- ipsec4_tunnel_key_t key40;
- ipsec6_tunnel_key_t key60;
-
- ip40 =
- (ip4_header_t *) (b[0]->data + vnet_buffer (b[0])->l3_hdr_offset);
-
- if (is_ip6)
- {
- ip60 = (ip6_header_t *) ip40;
- esp0 = (esp_header_t *) ((u8 *) ip60 + sizeof (ip6_header_t));
- buf_adv0 = sizeof (ip6_header_t);
- }
- else
- {
- /* NAT UDP port 4500 case, don't advance any more */
- if (ip40->protocol == IP_PROTOCOL_UDP)
- {
- esp0 =
- (esp_header_t *) ((u8 *) ip40 + ip4_header_bytes (ip40) +
- sizeof (udp_header_t));
- buf_adv0 = 0;
- buf_rewind0 = ip4_header_bytes (ip40) + sizeof (udp_header_t);
- }
- else
- {
- esp0 = (esp_header_t *) ((u8 *) ip40 + ip4_header_bytes (ip40));
- buf_rewind0 = buf_adv0 = ip4_header_bytes (ip40);
- }
- }
-
- /* stats for the tunnel include all the data after the IP header
- just like a norml IP-IP tunnel */
- vlib_buffer_advance (b[0], buf_adv0);
- len0 = vlib_buffer_length_in_chain (vm, b[0]);
-
- if (len0 < sizeof (esp_header_t))
- {
- if (esp0->spi_bytes[0] == 0xff)
- b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_NAT_KEEPALIVE];
- else
- b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_TOO_SHORT];
-
- next[0] = IPSEC_INPUT_NEXT_DROP;
- goto trace00;
- }
-
- if (is_ip6)
- {
- key60.remote_ip = ip60->src_address;
- key60.spi = esp0->spi;
-
- if (memcmp (&key60, &last_key6, sizeof (last_key6)) == 0)
- {
- tid0 = last_tunnel_id;
- }
- else
- {
- uword *p =
- hash_get_mem (im->ipsec6_if_pool_index_by_key, &key60);
- if (p)
- {
- tid0 = p[0];
- last_tunnel_id = tid0;
- clib_memcpy_fast (&last_key6, &key60, sizeof (key60));
- }
- else
- {
- next[0] =
- ipsec_ip6_if_no_tunnel (node, b[0], esp0, buf_adv0);
- n_no_tunnel++;
- goto trace00;
- }
- }
- }
- else /* !is_ip6 */
- {
- key40.remote_ip = ip40->src_address;
- key40.spi = esp0->spi;
-
- if (key40.as_u64 == last_key4.as_u64)
- {
- tid0 = last_tunnel_id;
- }
- else
- {
- uword *p =
- hash_get (im->ipsec4_if_pool_index_by_key, key40.as_u64);
- if (p)
- {
- tid0 = p[0];
- last_tunnel_id = tid0;
- last_key4.as_u64 = key40.as_u64;
- }
- else
- {
- next[0] =
- ipsec_ip4_if_no_tunnel (node, b[0], esp0, ip40,
- buf_rewind0);
- n_no_tunnel++;
- goto trace00;
- }
- }
- }
-
- t0 = pool_elt_at_index (im->tunnel_interfaces, tid0);
- vnet_buffer (b[0])->ipsec.sad_index = t0->input_sa_index;
-
- if (PREDICT_TRUE (t0->hw_if_index != ~0))
- {
- sw_if_index0 = t0->sw_if_index;
- vnet_buffer (b[0])->sw_if_index[VLIB_RX] = sw_if_index0;
-
- if (PREDICT_FALSE (!(t0->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)))
- {
- vlib_increment_combined_counter
- (drop_counter, thread_index, sw_if_index0, 1, len0);
- n_disabled++;
- b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_DISABLED];
- next[0] = IPSEC_INPUT_NEXT_DROP;
- goto trace00;
- }
-
- if (PREDICT_TRUE (sw_if_index0 == last_sw_if_index))
- {
- n_packets++;
- n_bytes += len0;
- }
- else
- {
- if (n_packets)
- {
- vlib_increment_combined_counter
- (rx_counter, thread_index, last_sw_if_index,
- n_packets, n_bytes);
- }
-
- last_sw_if_index = sw_if_index0;
- n_packets = 1;
- n_bytes = len0;
- }
- }
-
- trace00:
- if (PREDICT_FALSE (is_trace))
- {
- if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
- {
- ipsec_if_input_trace_t *tr =
- vlib_add_trace (vm, node, b[0], sizeof (*tr));
- if (is_ip6)
- clib_memcpy (&tr->key6, &key60, sizeof (tr->key6));
- else
- clib_memcpy (&tr->key4, &key40, sizeof (tr->key4));
- tr->is_ip6 = is_ip6;
- tr->seq =
- len0 >=
- sizeof (*esp0) ? clib_host_to_net_u32 (esp0->seq) : ~0;
- }
- }
-
- /* next */
- b += 1;
- next += 1;
- n_left_from -= 1;
- }
-
- if (n_packets)
- {
- vlib_increment_combined_counter (rx_counter,
- thread_index,
- last_sw_if_index, n_packets, n_bytes);
- }
-
- vlib_node_increment_counter (vm, node->node_index,
- IPSEC_IF_INPUT_ERROR_RX,
- from_frame->n_vectors - (n_disabled +
- n_no_tunnel));
-
- vlib_buffer_enqueue_to_next (vm, node, from, nexts, from_frame->n_vectors);
-
- return from_frame->n_vectors;
-}
-
-VLIB_NODE_FN (ipsec4_if_input_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- return ipsec_if_input_inline (vm, node, from_frame, 0 /* is_ip6 */ );
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ipsec4_if_input_node) = {
- .name = "ipsec4-if-input",
- .vector_size = sizeof (u32),
- .format_trace = format_ipsec_if_input_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(ipsec_if_input_error_strings),
- .error_strings = ipsec_if_input_error_strings,
- .sibling_of = "ipsec4-input-feature",
-};
-/* *INDENT-ON* */
-
-VLIB_NODE_FN (ipsec6_if_input_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- return ipsec_if_input_inline (vm, node, from_frame, 1 /* is_ip6 */ );
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ipsec6_if_input_node) = {
- .name = "ipsec6-if-input",
- .vector_size = sizeof (u32),
- .format_trace = format_ipsec_if_input_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(ipsec_if_input_error_strings),
- .error_strings = ipsec_if_input_error_strings,
- .sibling_of = "ipsec6-input-feature",
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
fib_node_unlock (&sa->node);
}
+void
+ipsec_sa_lock (index_t sai)
+{
+ ipsec_main_t *im = &ipsec_main;
+ ipsec_sa_t *sa;
+
+ if (INDEX_INVALID == sai)
+ return;
+
+ sa = pool_elt_at_index (im->sad, sai);
+
+ fib_node_lock (&sa->node);
+}
+
index_t
ipsec_sa_find_and_lock (u32 id)
{
extern index_t ipsec_sa_find_and_lock (u32 id);
extern int ipsec_sa_unlock_id (u32 id);
extern void ipsec_sa_unlock (index_t sai);
+extern void ipsec_sa_lock (index_t sai);
extern void ipsec_sa_clear (index_t sai);
extern void ipsec_sa_set_crypto_alg (ipsec_sa_t * sa,
ipsec_crypto_alg_t crypto_alg);
ipsec_tun_protect_t * itp, u32 sa_out, u32 * sas_in)
{
ipsec_sa_t *sa;
+ index_t sai;
u32 ii;
itp->itp_n_sa_in = vec_len (sas_in);
itp->itp_in_sas[ii] = sas_in[ii];
itp->itp_out_sa = sa_out;
+ ipsec_sa_lock (itp->itp_out_sa);
+
/* *INDENT-OFF* */
+ FOR_EACH_IPSEC_PROTECT_INPUT_SAI(itp, sai,
+ ({
+ ipsec_sa_lock(sai);
+ }));
FOR_EACH_IPSEC_PROTECT_INPUT_SA(itp, sa,
({
if (ipsec_sa_is_set_IS_TUNNEL (sa))
* enable the encrypt feature for egress.
*/
ipsec_tun_protect_feature_set (itp, 1);
-
}
static void
return (ipsec_protect_db.tunnels[sw_if_index]);
}
+int
+ipsec_tun_protect_update_one (u32 sw_if_index, u32 sa_out, u32 sa_in)
+{
+ u32 *sas_in = NULL;
+ int rv;
+
+ vec_add1 (sas_in, sa_in);
+ rv = ipsec_tun_protect_update (sw_if_index, sa_out, sas_in);
+
+ return (rv);
+}
+
+int
+ipsec_tun_protect_update_out (u32 sw_if_index, u32 sa_out)
+{
+ u32 itpi, *sas_in, sai, *saip;
+ ipsec_tun_protect_t *itp;
+ ipsec_main_t *im;
+ int rv;
+
+ sas_in = NULL;
+ rv = 0;
+ im = &ipsec_main;
+ vec_validate_init_empty (ipsec_protect_db.tunnels, sw_if_index,
+ INDEX_INVALID);
+ itpi = ipsec_protect_db.tunnels[sw_if_index];
+
+ if (INDEX_INVALID == itpi)
+ {
+ return (VNET_API_ERROR_INVALID_INTERFACE);
+ }
+
+ itp = pool_elt_at_index (ipsec_protect_pool, itpi);
+
+ /* *INDENT-0FF* */
+ FOR_EACH_IPSEC_PROTECT_INPUT_SAI (itp, sai, (
+ {
+ ipsec_sa_lock (sai);
+ vec_add1 (sas_in, sai);
+ }
+ ));
+ /* *INDENT-ON* */
+
+ sa_out = ipsec_sa_find_and_lock (sa_out);
+
+ if (~0 == sa_out)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto out;
+ }
+
+ ipsec_tun_protect_unconfig (im, itp);
+ ipsec_tun_protect_config (im, itp, sa_out, sas_in);
+
+ ipsec_sa_unlock (sa_out);
+ vec_foreach (saip, sas_in) ipsec_sa_unlock (*saip);
+
+out:
+ vec_free (sas_in);
+ return (rv);
+}
+
+int
+ipsec_tun_protect_update_in (u32 sw_if_index, u32 sa_in)
+{
+ u32 itpi, *sas_in, sa_out;
+ ipsec_tun_protect_t *itp;
+ ipsec_main_t *im;
+ int rv;
+
+ sas_in = NULL;
+ rv = 0;
+ im = &ipsec_main;
+ vec_validate_init_empty (ipsec_protect_db.tunnels, sw_if_index,
+ INDEX_INVALID);
+ itpi = ipsec_protect_db.tunnels[sw_if_index];
+
+ if (INDEX_INVALID == itpi)
+ {
+ return (VNET_API_ERROR_INVALID_INTERFACE);
+ }
+
+ sa_in = ipsec_sa_find_and_lock (sa_in);
+
+ if (~0 == sa_in)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto out;
+ }
+ vec_add1 (sas_in, sa_in);
+
+ itp = pool_elt_at_index (ipsec_protect_pool, itpi);
+ sa_out = itp->itp_out_sa;
+
+ ipsec_sa_lock (sa_out);
+
+ ipsec_tun_protect_unconfig (im, itp);
+ ipsec_tun_protect_config (im, itp, sa_out, sas_in);
+
+ ipsec_sa_unlock (sa_out);
+ ipsec_sa_unlock (sa_in);
+out:
+ vec_free (sas_in);
+ return (rv);
+}
+
int
ipsec_tun_protect_update (u32 sw_if_index, u32 sa_out, u32 * sas_in)
{
- u32 itpi, ii;
ipsec_tun_protect_t *itp;
+ u32 itpi, ii, *saip;
ipsec_main_t *im;
int rv;
ipsec_tun_protect_config (im, itp, sa_out, sas_in);
}
+ ipsec_sa_unlock (sa_out);
+ vec_foreach (saip, sas_in) ipsec_sa_unlock (*saip);
vec_free (sas_in);
+
out:
return (rv);
}
#include <vnet/ipsec/ipsec.h>
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct {
+ /*
+ * Key fields: remote ip and spi on incoming packet
+ * all fields in NET byte order
+ */
+ union {
+ struct {
+ ip4_address_t remote_ip;
+ u32 spi;
+ };
+ u64 as_u64;
+ };
+}) ipsec4_tunnel_key_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct {
+ /*
+ * Key fields: remote ip and spi on incoming packet
+ * all fields in NET byte order
+ */
+ ip6_address_t remote_ip;
+ u32 spi;
+}) ipsec6_tunnel_key_t;
+/* *INDENT-ON* */
+
+extern u8 *format_ipsec4_tunnel_key (u8 * s, va_list * args);
+extern u8 *format_ipsec6_tunnel_key (u8 * s, va_list * args);
+
typedef enum ipsec_protect_flags_t_
{
IPSEC_PROTECT_L2 = (1 << 0),
} \
}
+extern int ipsec_tun_protect_update_one (u32 sw_if_index, u32 sa_out,
+ u32 sa_in);
extern int ipsec_tun_protect_update (u32 sw_if_index, u32 sa_out,
- u32 sa_ins[2]);
+ u32 * sa_ins);
+extern int ipsec_tun_protect_update_in (u32 sw_if_index, u32 sa_in);
+extern int ipsec_tun_protect_update_out (u32 sw_if_index, u32 sa_out);
+
extern int ipsec_tun_protect_del (u32 sw_if_index);
typedef walk_rc_t (*ipsec_tun_protect_walk_cb_t) (index_t itpi, void *arg);
};
u8 is_ip6;
u32 seq;
+ u32 sa_index;
} ipsec_tun_protect_input_trace_t;
static u8 *
va_arg (*args, ipsec_tun_protect_input_trace_t *);
if (t->is_ip6)
- s = format (s, "IPSec: %U seq %u",
- format_ipsec6_tunnel_key, &t->key6, t->seq);
+ s = format (s, "IPSec: %U seq %u sa %d",
+ format_ipsec6_tunnel_key, &t->key6, t->seq, t->sa_index);
else
- s = format (s, "IPSec: %U seq %u",
- format_ipsec4_tunnel_key, &t->key4, t->seq);
+ s = format (s, "IPSec: %U seq %u sa %d",
+ format_ipsec4_tunnel_key, &t->key4, t->seq, t->sa_index);
return s;
}
else
clib_memcpy (&tr->key4, &key40, sizeof (tr->key4));
tr->is_ip6 = is_ip6;
- tr->seq =
- len0 >=
- sizeof (*esp0) ? clib_host_to_net_u32 (esp0->seq) : ~0;
+ tr->seq = (len0 >= sizeof (*esp0) ?
+ clib_host_to_net_u32 (esp0->seq) : ~0);
+ tr->sa_index = vnet_buffer (b[0])->ipsec.sad_index;
}
}
self.nat_header = None
-def mk_scapy_crpyt_key(p):
+def mk_scapy_crypt_key(p):
if p.crypt_algo == "AES-GCM":
return p.crypt_key + struct.pack("!I", p.salt)
else:
ip_class_by_addr_type = {socket.AF_INET: IP, socket.AF_INET6: IPv6}
use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.
IPSEC_API_SAD_FLAG_USE_ESN))
- crypt_key = mk_scapy_crpyt_key(p)
+ crypt_key = mk_scapy_crypt_key(p)
p.scapy_tun_sa = SecurityAssociation(
encryption_type, spi=p.vpp_tun_spi,
crypt_algo=p.crypt_algo,
def config_tra_params(p, encryption_type):
use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.
IPSEC_API_SAD_FLAG_USE_ESN))
- crypt_key = mk_scapy_crpyt_key(p)
+ crypt_key = mk_scapy_crypt_key(p)
p.scapy_tra_sa = SecurityAssociation(
encryption_type,
spi=p.vpp_tra_spi,
def verify_tcp_checksum(self):
self.vapi.cli("test http server")
p = self.params[socket.AF_INET]
- config_tun_params(p, self.encryption_type, self.tun_if)
send = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
p.scapy_tun_sa.encrypt(IP(src=p.remote_tun_if_host,
dst=self.tun_if.local_ip4) /
bogus_sa = SecurityAssociation(self.encryption_type,
p.vpp_tra_spi,
crypt_algo=p.crypt_algo,
- crypt_key=mk_scapy_crpyt_key(p)[::-1],
+ crypt_key=mk_scapy_crypt_key(p)[::-1],
auth_algo=p.auth_algo,
auth_key=p.auth_key[::-1])
pkt = (Ether(src=self.tra_if.remote_mac,
if not n_rx:
n_rx = count
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host,
dst=self.pg1.remote_ip4,
sw_if_index=self.tun_if.sw_if_index, enable_ip4=True)
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host,
dst=self.pg1.remote_ip4,
def verify_tun_64(self, p, count=1):
self.vapi.cli("clear errors")
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host6,
dst=self.pg1.remote_ip6,
self.vapi.cli("clear errors")
self.vapi.cli("clear ipsec sa")
- config_tun_params(p_in, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts6(p_in.scapy_tun_sa, self.tun_if,
src=p_in.remote_tun_if_host,
dst=self.pg1.remote_ip6,
if not p_out:
p_out = p_in
try:
- config_tun_params(p_in, self.encryption_type, self.tun_if)
- config_tun_params(p_out, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts6(p_in.scapy_tun_sa, self.tun_if,
src=p_in.remote_tun_if_host,
dst=self.pg1.remote_ip6,
sw_if_index=self.tun_if.sw_if_index, enable_ip6=True)
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host,
dst=self.pg1.remote_ip6,
""" ipsec 4o6 tunnel basic test """
self.vapi.cli("clear errors")
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host4,
dst=self.pg1.remote_ip4,
config_tra_params(p, self.encryption_type)
for p in params:
self.config_ah_tun(p)
+ config_tun_params(p, self.encryption_type, self.tun_if)
for p in params:
d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
r = VppIpRoute(self, p.remote_tun_if_host, p.addr_len,
from framework import VppTestRunner
from template_ipsec import IpsecTra46Tests, IpsecTun46Tests, TemplateIpsec, \
IpsecTcpTests, IpsecTun4Tests, IpsecTra4Tests, config_tra_params, \
- IPsecIPv4Params, IPsecIPv6Params, \
+ config_tun_params, IPsecIPv4Params, IPsecIPv6Params, \
IpsecTra4, IpsecTun4, IpsecTra6, IpsecTun6
from vpp_ipsec import VppIpsecSpd, VppIpsecSpdEntry, VppIpsecSA,\
VppIpsecSpdItfBinding
config_tra_params(p, self.encryption_type)
for p in params:
self.config_esp_tun(p)
+ config_tun_params(p, self.encryption_type, self.tun_if)
for p in params:
d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
import socket
import copy
-from scapy.layers.ipsec import ESP
+from scapy.layers.ipsec import SecurityAssociation, ESP
from scapy.layers.l2 import Ether, Raw, GRE
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6
from framework import VppTestRunner
from template_ipsec import TemplateIpsec, IpsecTun4Tests, IpsecTun6Tests, \
- IpsecTun4, IpsecTun6, IpsecTcpTests, config_tun_params
+ IpsecTun4, IpsecTun6, IpsecTcpTests, mk_scapy_crypt_key
from vpp_ipsec_tun_interface import VppIpsecTunInterface
from vpp_gre_interface import VppGreInterface
from vpp_ipip_tun_interface import VppIpIpTunInterface
from vpp_papi import VppEnum
+def config_tun_params(p, encryption_type, tun_if):
+ ip_class_by_addr_type = {socket.AF_INET: IP, socket.AF_INET6: IPv6}
+ use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_USE_ESN))
+ crypt_key = mk_scapy_crypt_key(p)
+ p.scapy_tun_sa = SecurityAssociation(
+ encryption_type, spi=p.vpp_tun_spi,
+ crypt_algo=p.crypt_algo,
+ crypt_key=crypt_key,
+ auth_algo=p.auth_algo, auth_key=p.auth_key,
+ tunnel_header=ip_class_by_addr_type[p.addr_type](
+ src=tun_if.remote_ip,
+ dst=tun_if.local_ip),
+ nat_t_header=p.nat_header,
+ use_esn=use_esn)
+ p.vpp_tun_sa = SecurityAssociation(
+ encryption_type, spi=p.scapy_tun_spi,
+ crypt_algo=p.crypt_algo,
+ crypt_key=crypt_key,
+ auth_algo=p.auth_algo, auth_key=p.auth_key,
+ tunnel_header=ip_class_by_addr_type[p.addr_type](
+ dst=tun_if.remote_ip,
+ src=tun_if.local_ip),
+ nat_t_header=p.nat_header,
+ use_esn=use_esn)
+
+
class TemplateIpsec4TunIfEsp(TemplateIpsec):
""" IPsec tunnel interface tests """
p.tun_if.admin_up()
p.tun_if.config_ip4()
p.tun_if.config_ip6()
+ config_tun_params(p, self.encryption_type, p.tun_if)
r = VppIpRoute(self, p.remote_tun_if_host, 32,
[VppRoutePath(p.tun_if.remote_ip4,
""" IPsec UDP tunnel interface tests """
tun4_encrypt_node_name = "esp4-encrypt-tun"
- tun4_decrypt_node_name = "esp4-decrypt"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
encryption_type = ESP
@classmethod
p.tun_if.admin_up()
p.tun_if.config_ip4()
p.tun_if.config_ip6()
+ config_tun_params(p, self.encryption_type, p.tun_if)
r = VppIpRoute(self, p.remote_tun_if_host, 32,
[VppRoutePath(p.tun_if.remote_ip4,
class TestIpsec4TunIfEsp1(TemplateIpsec4TunIfEsp, IpsecTun4Tests):
""" Ipsec ESP - TUN tests """
tun4_encrypt_node_name = "esp4-encrypt-tun"
- tun4_decrypt_node_name = "esp4-decrypt"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
def test_tun_basic64(self):
""" ipsec 6o4 tunnel basic test """
- self.tun4_encrypt_node_name = "esp6-encrypt-tun"
+ self.tun4_encrypt_node_name = "esp4-encrypt-tun"
self.verify_tun_64(self.params[socket.AF_INET], count=1)
def test_tun_burst64(self):
""" ipsec 6o4 tunnel basic test """
- self.tun4_encrypt_node_name = "esp6-encrypt-tun"
+ self.tun4_encrypt_node_name = "esp4-encrypt-tun"
self.verify_tun_64(self.params[socket.AF_INET], count=257)
class TestIpsec4TunIfEspUdp(TemplateIpsec4TunIfEspUdp, IpsecTun4Tests):
""" Ipsec ESP UDP tests """
- tun4_input_node = "ipsec4-if-input"
+ tun4_input_node = "ipsec4-tun-input"
def test_keepalive(self):
""" IPSEC NAT Keepalive """
self.tun_if = self.pg0
p = self.ipv6_params
- tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
- p.scapy_tun_spi, p.crypt_algo_vpp_id,
- p.crypt_key, p.crypt_key,
- p.auth_algo_vpp_id, p.auth_key,
- p.auth_key, is_ip6=True)
- tun_if.add_vpp_config()
- tun_if.admin_up()
- tun_if.config_ip6()
- tun_if.config_ip4()
+ p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
+ p.scapy_tun_spi, p.crypt_algo_vpp_id,
+ p.crypt_key, p.crypt_key,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.auth_key, is_ip6=True)
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip6()
+ p.tun_if.config_ip4()
+ config_tun_params(p, self.encryption_type, p.tun_if)
r = VppIpRoute(self, p.remote_tun_if_host, 128,
- [VppRoutePath(tun_if.remote_ip6,
+ [VppRoutePath(p.tun_if.remote_ip6,
0xffffffff,
proto=DpoProto.DPO_PROTO_IP6)])
r.add_vpp_config()
r = VppIpRoute(self, p.remote_tun_if_host4, 32,
- [VppRoutePath(tun_if.remote_ip4,
+ [VppRoutePath(p.tun_if.remote_ip4,
0xffffffff)])
r.add_vpp_config()
class TestIpsec6TunIfEsp1(TemplateIpsec6TunIfEsp, IpsecTun6Tests):
""" Ipsec ESP - TUN tests """
tun6_encrypt_node_name = "esp6-encrypt-tun"
- tun6_decrypt_node_name = "esp6-decrypt"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
def test_tun_basic46(self):
""" ipsec 4o6 tunnel basic test """
- self.tun6_encrypt_node_name = "esp4-encrypt-tun"
+ self.tun6_encrypt_node_name = "esp6-encrypt-tun"
self.verify_tun_46(self.params[socket.AF_INET6], count=1)
def test_tun_burst46(self):
""" ipsec 4o6 tunnel burst test """
- self.tun6_encrypt_node_name = "esp4-encrypt-tun"
+ self.tun6_encrypt_node_name = "esp6-encrypt-tun"
self.verify_tun_46(self.params[socket.AF_INET6], count=257)
encryption_type = ESP
tun4_encrypt_node_name = "esp4-encrypt-tun"
- tun4_decrypt_node_name = "esp4-decrypt"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
def setUp(self):
super(TestIpsec4MultiTunIfEsp, self).setUp()
self.tun_if = self.pg0
self.multi_params = []
+ self.pg0.generate_remote_hosts(10)
+ self.pg0.configure_ipv4_neighbors()
for ii in range(10):
p = copy.copy(self.ipv4_params)
p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
p.vpp_tra_spi = p.vpp_tra_spi + ii
- config_tun_params(p, self.encryption_type, self.tun_if)
- self.multi_params.append(p)
-
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi,
p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
- p.auth_key)
+ p.auth_key,
+ dst=self.pg0.remote_hosts[ii].ip4)
p.tun_if.add_vpp_config()
p.tun_if.admin_up()
p.tun_if.config_ip4()
+ config_tun_params(p, self.encryption_type, p.tun_if)
+ self.multi_params.append(p)
VppIpRoute(self, p.remote_tun_if_host, 32,
[VppRoutePath(p.tun_if.remote_ip4,
encryption_type = ESP
tun4_encrypt_node_name = "esp4-encrypt-tun"
- tun4_decrypt_node_name = "esp4-decrypt"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
def config_network(self, p):
- config_tun_params(p, self.encryption_type, self.tun_if)
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi,
p.tun_if.add_vpp_config()
p.tun_if.admin_up()
p.tun_if.config_ip4()
+ config_tun_params(p, self.encryption_type, p.tun_if)
self.logger.info(self.vapi.cli("sh ipsec sa 0"))
self.logger.info(self.vapi.cli("sh ipsec sa 1"))
p.tun_if.local_spi = p.vpp_tun_spi
p.tun_if.remote_spi = p.scapy_tun_spi
- config_tun_params(p, self.encryption_type, self.tun_if)
+ config_tun_params(p, self.encryption_type, p.tun_if)
p.tun_sa_in = VppIpsecSA(self,
p.scapy_tun_sa_id,
p.crypt_algo_vpp_id,
p.crypt_key,
self.vpp_esp_protocol,
- self.tun_if.local_addr[p.addr_type],
- self.tun_if.remote_addr[p.addr_type],
flags=p.flags,
salt=p.salt)
p.tun_sa_out = VppIpsecSA(self,
p.crypt_algo_vpp_id,
p.crypt_key,
self.vpp_esp_protocol,
- self.tun_if.remote_addr[p.addr_type],
- self.tun_if.local_addr[p.addr_type],
flags=p.flags,
salt=p.salt)
p.tun_sa_in.add_vpp_config()
encryption_type = ESP
tun6_encrypt_node_name = "esp6-encrypt-tun"
- tun6_decrypt_node_name = "esp6-decrypt"
+ tun6_decrypt_node_name = "esp6-decrypt-tun"
def setUp(self):
super(TestIpsec6MultiTunIfEsp, self).setUp()
self.tun_if = self.pg0
self.multi_params = []
+ self.pg0.generate_remote_hosts(10)
+ self.pg0.configure_ipv6_neighbors()
for ii in range(10):
p = copy.copy(self.ipv6_params)
p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
p.vpp_tra_spi = p.vpp_tra_spi + ii
- config_tun_params(p, self.encryption_type, self.tun_if)
- self.multi_params.append(p)
-
p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi,
p.scapy_tun_spi,
p.crypt_algo_vpp_id,
p.crypt_key, p.crypt_key,
p.auth_algo_vpp_id, p.auth_key,
- p.auth_key, is_ip6=True)
+ p.auth_key, is_ip6=True,
+ dst=self.pg0.remote_hosts[ii].ip6)
p.tun_if.add_vpp_config()
p.tun_if.admin_up()
p.tun_if.config_ip6()
+ config_tun_params(p, self.encryption_type, p.tun_if)
+ self.multi_params.append(p)
r = VppIpRoute(self, p.remote_tun_if_host, 128,
[VppRoutePath(p.tun_if.remote_ip6,
self.pg0.local_ip4)
p.tun_sa_in.add_vpp_config()
- self.tun = VppGreInterface(self,
+ p.tun_if = VppGreInterface(self,
self.pg0.local_ip4,
self.pg0.remote_ip4,
type=(VppEnum.vl_api_gre_tunnel_type_t.
GRE_API_TUNNEL_TYPE_TEB))
- self.tun.add_vpp_config()
+ p.tun_if.add_vpp_config()
p.tun_protect = VppIpsecTunProtect(self,
- self.tun,
+ p.tun_if,
p.tun_sa_out,
[p.tun_sa_in])
p.tun_protect.add_vpp_config()
- self.tun.admin_up()
- self.tun.config_ip4()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ config_tun_params(p, self.encryption_type, p.tun_if)
- VppBridgeDomainPort(self, bd1, self.tun).add_vpp_config()
+ VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config()
VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config()
self.vapi.cli("clear ipsec sa")
def tearDown(self):
- self.tun.unconfig_ip4()
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
super(TestIpsecGreTebIfEsp, self).tearDown()
self.pg0.local_ip4)
p.tun_sa_in.add_vpp_config()
- self.tun = VppGreInterface(self,
+ p.tun_if = VppGreInterface(self,
self.pg0.local_ip4,
self.pg0.remote_ip4)
- self.tun.add_vpp_config()
+ p.tun_if.add_vpp_config()
p.tun_protect = VppIpsecTunProtect(self,
- self.tun,
+ p.tun_if,
p.tun_sa_out,
[p.tun_sa_in])
p.tun_protect.add_vpp_config()
- self.tun.admin_up()
- self.tun.config_ip4()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ config_tun_params(p, self.encryption_type, p.tun_if)
VppIpRoute(self, "1.1.1.2", 32,
- [VppRoutePath(self.tun.remote_ip4,
+ [VppRoutePath(p.tun_if.remote_ip4,
0xffffffff)]).add_vpp_config()
def tearDown(self):
- self.tun.unconfig_ip4()
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
super(TestIpsecGreIfEsp, self).tearDown()
tun4_input_node = "ipsec4-tun-input"
def config_sa_tra(self, p):
- config_tun_params(p, self.encryption_type, self.tun_if)
+ config_tun_params(p, self.encryption_type, p.tun_if)
p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
p.auth_algo_vpp_id, p.auth_key,
p.tun_sa_in.add_vpp_config()
def config_sa_tun(self, p):
- config_tun_params(p, self.encryption_type, self.tun_if)
+ config_tun_params(p, self.encryption_type, p.tun_if)
p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
p.auth_algo_vpp_id, p.auth_key,
""" IPsec IPv6 Tunnel protect """
def config_sa_tra(self, p):
- config_tun_params(p, self.encryption_type, self.tun_if)
+ config_tun_params(p, self.encryption_type, p.tun_if)
p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
p.auth_algo_vpp_id, p.auth_key,
p.tun_sa_in.add_vpp_config()
def config_sa_tun(self, p):
- config_tun_params(p, self.encryption_type, self.tun_if)
+ config_tun_params(p, self.encryption_type, p.tun_if)
p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
p.auth_algo_vpp_id, p.auth_key,
def setUp(self):
super(TestExceptionPuntSocket, self).setUp()
+ self.create_pg_interfaces(range(2))
for i in self.pg_interfaces:
i.config_ip4()
i.resolve_arp()
IPSEC_API_INTEG_ALG_SHA1_96),
b"0123456701234567",
b"0123456701234567").add_vpp_config()
- VppIpsecTunInterface(self, self.pg0, 1001, 1001,
+ VppIpsecTunInterface(self, self.pg1, 1000, 1000,
(VppEnum.vl_api_ipsec_crypto_alg_t.
IPSEC_API_CRYPTO_ALG_AES_CBC_128),
b"0123456701234567",
# adn SPI=0
#
cfgs = dict()
- cfgs['ipsec4-no-such-tunnel'] = {'spi': 99, 'udp': False}
- cfgs['ipsec4-spi-o-udp-0'] = {'spi': 0, 'udp': True}
+ cfgs['ipsec4-no-such-tunnel'] = {'spi': 99,
+ 'udp': False,
+ 'itf': self.pg0}
+ cfgs['ipsec4-spi-o-udp-0'] = {'spi': 0,
+ 'udp': True,
+ 'itf': self.pg1}
#
# find the VPP ID for these punt exception reasin
# create packet streams for 'no-such-tunnel' exception
#
for cfg in cfgs.values():
- pkt = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4))
+ pkt = (Ether(src=cfg['itf'].remote_mac,
+ dst=cfg['itf'].local_mac) /
+ IP(src=cfg['itf'].remote_ip4,
+ dst=cfg['itf'].local_ip4))
if (cfg['udp']):
pkt = pkt / UDP(sport=666, dport=4500)
pkt = (pkt / ESP(spi=cfg['spi'], seq=3) /
# send packets for each SPI we expect to be punted
#
for cfg in cfgs.values():
- self.send_and_assert_no_replies(self.pg0, cfg['pkts'])
+ self.send_and_assert_no_replies(cfg['itf'], cfg['pkts'])
#
# verify the punted packets arrived on the associated socket
def query_vpp_config(self):
return (self.test.vapi.gre_tunnel_dump(
sw_if_index=self._sw_if_index))
+
+ @property
+ def remote_ip(self):
+ return self.t_dst
+
+ @property
+ def local_ip(self):
+ return self.t_src
def object_id(self):
return "ipip-%d" % self._sw_if_index
+
+ @property
+ def remote_ip(self):
+ return self.dst
+
+ @property
+ def local_ip(self):
+ return self.src
remote_spi, crypto_alg, local_crypto_key, remote_crypto_key,
integ_alg, local_integ_key, remote_integ_key, salt=0,
udp_encap=False,
- is_ip6=False):
+ is_ip6=False,
+ dst=None):
super(VppIpsecTunInterface, self).__init__(test, parent_if)
self.local_spi = local_spi
self.remote_spi = remote_spi
else:
self.local_ip = self.parent_if.local_ip4
self.remote_ip = self.parent_if.remote_ip4
+ if dst:
+ self.remote_ip = dst
self.udp_encap = udp_encap
def add_vpp_config(self):
remote_crypto_key, integ_alg, local_integ_key,
remote_integ_key, is_add=1, esn=0, salt=0,
anti_replay=1, renumber=0,
- udp_encap=0, show_instance=0):
+ udp_encap=0, show_instance=0xffffffff):
return self.api(
self.papi.ipsec_tunnel_if_add_del,
{
Code Review / vpp.git / commitdiff