};
/* *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;
- ip46_address_t local_ip = ip46_address_initializer;
- ip46_address_t remote_ip = ip46_address_initializer;
- ip_address_t nh = IP_ADDRESS_V4_ALL_0S;
- ipsec_crypto_alg_t crypto_alg = IPSEC_CRYPTO_ALG_NONE;
- ipsec_integ_alg_t integ_alg = IPSEC_INTEG_ALG_NONE;
- ipsec_sa_flags_t flags;
- u32 local_spi, remote_spi, salt = 0, table_id, fib_index;
- u32 instance = ~0;
- int rv;
- u32 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 };
-
- table_id = 0;
- flags = IPSEC_SA_FLAG_NONE;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat
- (line_input, "local-ip %U", unformat_ip46_address, &local_ip,
- IP46_TYPE_ANY))
- {
- ip46_address_is_ip4 (&local_ip) ? (ipv4_set = 1) : (ipv6_set = 1);
- m_args |= 1 << 0;
- }
- else
- if (unformat
- (line_input, "remote-ip %U", unformat_ip46_address, &remote_ip,
- IP46_TYPE_ANY))
- {
- ip46_address_is_ip4 (&remote_ip) ? (ipv4_set = 1) : (ipv6_set = 1);
- m_args |= 1 << 1;
- }
- else if (unformat (line_input, "local-spi %u", &local_spi))
- m_args |= 1 << 2;
- else if (unformat (line_input, "remote-spi %u", &remote_spi))
- m_args |= 1 << 3;
- else if (unformat (line_input, "salt 0x%x", &salt))
- ;
- else if (unformat (line_input, "udp-encap"))
- flags |= IPSEC_SA_FLAG_UDP_ENCAP;
- else if (unformat (line_input, "use-esn"))
- flags |= IPSEC_SA_FLAG_USE_ESN;
- else if (unformat (line_input, "use-anti-replay"))
- 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, "local-crypto-key %U", unformat_ipsec_key, &lck))
- ;
- 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, &crypto_alg))
- ;
- else
- if (unformat
- (line_input, "local-integ-key %U", unformat_ipsec_key, &lik))
- ;
- 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, &integ_alg))
- ;
- else if (unformat (line_input, "del"))
- is_add = 0;
- else if (unformat (line_input, "nh %U", unformat_ip_address, &nh))
- ;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
- if (0xf != m_args)
- {
- error = clib_error_return (0, "mandatory argument(s) missing");
- goto done;
- }
-
- if (ipv4_set && ipv6_set)
- return clib_error_return (0, "both IPv4 and IPv6 addresses specified");
-
- fib_index = fib_table_find (fib_ip_proto (ipv6_set), table_id);
-
- if (~0 == fib_index)
- {
- rv = VNET_API_ERROR_NO_SUCH_FIB;
- goto done;
- }
-
- 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,
- TUNNEL_ENCAP_DECAP_FLAG_NONE, IP_DSCP_CS0,
- TUNNEL_MODE_P2P, &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, TUNNEL_ENCAP_DECAP_FLAG_NONE,
- IP_DSCP_CS0, NULL,
- IPSEC_UDP_PORT_NONE, IPSEC_UDP_PORT_NONE);
- 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, TUNNEL_ENCAP_DECAP_FLAG_NONE,
- IP_DSCP_CS0, NULL,
- IPSEC_UDP_PORT_NONE, IPSEC_UDP_PORT_NONE);
- rv |=
- ipsec_tun_protect_update_one (sw_if_index, &nh,
- 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:
- error = clib_error_return (0,
- "IPSec tunnel interface already exists...");
- goto done;
- default:
- error = clib_error_return (0, "ipsec_register_interface returned %d",
- rv);
- goto done;
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (create_ipsec_tunnel_command, static) = {
- .path = "create ipsec tunnel",
- .short_help = "create ipsec tunnel local-ip <addr> local-spi <spi> "
- "remote-ip <addr> remote-spi <spi> [instance <inst_num>] [udp-encap] [use-esn] [use-anti-replay] "
- "[tx-table <table-id>]",
- .function = create_ipsec_tunnel_command_fn,
-};
-/* *INDENT-ON* */
-
static clib_error_t *
ipsec_tun_protect_cmd (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
Code Review / vpp.git / blobdiff