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authorNeale Ranns <nranns@cisco.com>2019-09-26 16:20:19 +0000
committerDamjan Marion <dmarion@me.com>2019-11-08 20:06:56 +0000
commit12989b538881f9681f078cf1485c51df1251877a (patch)
tree874156e3898e76fd5e966d3a87f0306dba8b742d /src/vnet/ipsec/ipsec_cli.c
parentf1653e62fe41e3df429aadaaab22d0cc8aaa227a (diff)
ipsec: remove dedicated IPSec tunnels
APIs for dedicated IPSec tunnels will remain in this release and are used to programme the IPIP tunnel protect. APIs will be removed in a future release. see: https://wiki.fd.io/view/VPP/IPSec Type: feature Change-Id: I0f01f597946fdd15dfa5cae3643104d5a9c83089 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ipsec/ipsec_cli.c')
-rw-r--r--src/vnet/ipsec/ipsec_cli.c155
1 files changed, 90 insertions, 65 deletions
diff --git a/src/vnet/ipsec/ipsec_cli.c b/src/vnet/ipsec/ipsec_cli.c
index 1bff6086741..630e60a43ec 100644
--- a/src/vnet/ipsec/ipsec_cli.c
+++ b/src/vnet/ipsec/ipsec_cli.c
@@ -20,6 +20,7 @@
#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>
@@ -386,17 +387,18 @@ ipsec_spd_bindings_show_all (vlib_main_t * vm, ipsec_main_t * im)
/* *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 *
@@ -408,7 +410,7 @@ show_ipsec_command_fn (vlib_main_t * vm,
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;
}
@@ -537,21 +539,7 @@ show_ipsec_tunnel_command_fn (vlib_main_t * vm,
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;
}
@@ -559,7 +547,7 @@ show_ipsec_tunnel_command_fn (vlib_main_t * vm,
/* *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* */
@@ -719,25 +707,44 @@ VLIB_CLI_COMMAND (clear_ipsec_counters_command, static) = {
};
/* *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))
@@ -746,36 +753,35 @@ create_ipsec_tunnel_command_fn (vlib_main_t * vm,
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
@@ -786,7 +792,7 @@ create_ipsec_tunnel_command_fn (vlib_main_t * vm,
(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
@@ -797,10 +803,10 @@ create_ipsec_tunnel_command_fn (vlib_main_t * vm,
(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'",
@@ -818,26 +824,52 @@ create_ipsec_tunnel_command_fn (vlib_main_t * vm,
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
@@ -918,13 +950,6 @@ VLIB_CLI_COMMAND (ipsec_tun_protect_cmd_node, static) =
};
/* *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,