diff options
Diffstat (limited to 'src/plugins/ikev2/ikev2_api.c')
-rw-r--r-- | src/plugins/ikev2/ikev2_api.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/src/plugins/ikev2/ikev2_api.c b/src/plugins/ikev2/ikev2_api.c index f1ff40a8a0a..c73505b2421 100644 --- a/src/plugins/ikev2/ikev2_api.c +++ b/src/plugins/ikev2/ikev2_api.c @@ -32,6 +32,7 @@ #define vl_endianfun /* define message structures */ +#include <plugins/ikev2/ikev2.api.h> #include <plugins/ikev2/ikev2_types.api.h> #undef vl_endianfun @@ -42,6 +43,19 @@ extern ikev2_main_t ikev2_main; #define REPLY_MSG_ID_BASE ikev2_main.msg_id_base #include <vlibapi/api_helper_macros.h> +static u32 +ikev2_encode_sa_index (u32 sai, u32 ti) +{ + return (ti << 16) | sai; +} + +static void +ikev2_decode_sa_index (u32 api_sai, u32 * sai, u32 * ti) +{ + *sai = api_sai & 0xffff; + *ti = api_sai >> 16; +} + static void cp_ike_transforms (vl_api_ikev2_ike_transforms_t * vl_api_ts, ikev2_transforms_set * ts) @@ -105,6 +119,18 @@ cp_responder (vl_api_ikev2_responder_t * vl_api_responder, ip4_address_encode (&responder->ip4, vl_api_responder->ip4); } +void +cp_sa_transform (vl_api_ikev2_sa_transform_t * vl_tr, + ikev2_sa_transform_t * tr) +{ + vl_tr->transform_type = tr->type; + vl_tr->key_len = tr->key_len; + vl_tr->key_trunc = tr->key_trunc; + vl_tr->block_size = tr->block_size; + vl_tr->dh_group = tr->dh_group; + vl_tr->transform_id = tr->encr_type; +} + static void send_profile (ikev2_profile_t * profile, vl_api_registration_t * reg, u32 context) @@ -169,6 +195,257 @@ vl_api_ikev2_profile_dump_t_handler (vl_api_ikev2_profile_dump_t * mp) } static void +send_sa (ikev2_sa_t * sa, vl_api_ikev2_sa_dump_t * mp, u32 api_sa_index) +{ + vl_api_ikev2_sa_details_t *rmp = 0; + int rv = 0; + ikev2_sa_transform_t *tr; + + /* *INDENT-OFF* */ + REPLY_MACRO2_ZERO (VL_API_IKEV2_SA_DETAILS, + { + vl_api_ikev2_sa_t *rsa = &rmp->sa; + vl_api_ikev2_keys_t* k = &rsa->keys; + rsa->profile_index = rsa->profile_index; + rsa->sa_index = api_sa_index; + ip4_address_encode (&sa->iaddr, rsa->iaddr); + ip4_address_encode (&sa->raddr, rsa->raddr); + rsa->ispi = sa->ispi; + rsa->rspi = sa->rspi; + cp_id(&rsa->i_id, &sa->i_id); + cp_id(&rsa->r_id, &sa->r_id); + + tr = ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR); + if (tr) + cp_sa_transform (&rsa->encryption, tr); + + tr = ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF); + if (tr) + cp_sa_transform (&rsa->prf, tr); + + tr = ikev2_sa_get_td_for_type (sa->r_proposals, + IKEV2_TRANSFORM_TYPE_INTEG); + if (tr) + cp_sa_transform (&rsa->integrity, tr); + + tr = ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_DH); + if (tr) + cp_sa_transform (&rsa->dh, tr); + + k->sk_d_len = vec_len (sa->sk_d); + clib_memcpy (&k->sk_d, sa->sk_d, k->sk_d_len); + + k->sk_ai_len = vec_len (sa->sk_ai); + clib_memcpy (&k->sk_ai, sa->sk_ai, k->sk_ai_len); + + k->sk_ar_len = vec_len (sa->sk_ar); + clib_memcpy (&k->sk_ar, sa->sk_ar, k->sk_ar_len); + + k->sk_ei_len = vec_len (sa->sk_ei); + clib_memcpy (&k->sk_ei, sa->sk_ei, k->sk_ei_len); + + k->sk_er_len = vec_len (sa->sk_er); + clib_memcpy (&k->sk_er, sa->sk_er, k->sk_er_len); + + k->sk_pi_len = vec_len (sa->sk_pi); + clib_memcpy (&k->sk_pi, sa->sk_pi, k->sk_pi_len); + + k->sk_pr_len = vec_len (sa->sk_pr); + clib_memcpy (&k->sk_pr, sa->sk_pr, k->sk_pr_len); + + vl_api_ikev2_sa_t_endian(rsa); + }); + /* *INDENT-ON* */ +} + +static void +vl_api_ikev2_sa_dump_t_handler (vl_api_ikev2_sa_dump_t * mp) +{ + ikev2_main_t *km = &ikev2_main; + ikev2_main_per_thread_data_t *tkm; + ikev2_sa_t *sa; + + vec_foreach (tkm, km->per_thread_data) + { + /* *INDENT-OFF* */ + pool_foreach (sa, tkm->sas, + ({ + u32 api_sa_index = ikev2_encode_sa_index (sa - tkm->sas, + tkm - km->per_thread_data); + send_sa (sa, mp, api_sa_index); + })); + /* *INDENT-ON* */ + } +} + + +static void +send_child_sa (ikev2_child_sa_t * child, + vl_api_ikev2_child_sa_dump_t * mp, u32 child_sa_index, + u32 sa_index) +{ + vl_api_ikev2_child_sa_details_t *rmp = 0; + int rv = 0; + ikev2_sa_transform_t *tr; + + /* *INDENT-OFF* */ + REPLY_MACRO2_ZERO (VL_API_IKEV2_CHILD_SA_DETAILS, + { + vl_api_ikev2_keys_t *k = &rmp->child_sa.keys; + rmp->child_sa.child_sa_index = child_sa_index; + rmp->child_sa.sa_index = sa_index; + rmp->child_sa.i_spi = + child->i_proposals ? child->i_proposals[0].spi : 0; + rmp->child_sa.r_spi = + child->r_proposals ? child->r_proposals[0].spi : 0; + + tr = ikev2_sa_get_td_for_type (child->r_proposals, + IKEV2_TRANSFORM_TYPE_ENCR); + if (tr) + cp_sa_transform (&rmp->child_sa.encryption, tr); + + tr = ikev2_sa_get_td_for_type (child->r_proposals, + IKEV2_TRANSFORM_TYPE_INTEG); + if (tr) + cp_sa_transform (&rmp->child_sa.integrity, tr); + + tr = ikev2_sa_get_td_for_type (child->r_proposals, + IKEV2_TRANSFORM_TYPE_ESN); + if (tr) + cp_sa_transform (&rmp->child_sa.esn, tr); + + k->sk_ei_len = vec_len (child->sk_ei); + clib_memcpy (&k->sk_ei, child->sk_ei, k->sk_ei_len); + + k->sk_er_len = vec_len (child->sk_er); + clib_memcpy (&k->sk_er, child->sk_er, k->sk_er_len); + + if (vec_len (child->sk_ai)) + { + k->sk_ai_len = vec_len (child->sk_ai); + clib_memcpy (&k->sk_ai, child->sk_ai, + k->sk_ai_len); + + k->sk_ar_len = vec_len (child->sk_ar); + clib_memcpy (&k->sk_ar, child->sk_ar, + k->sk_ar_len); + } + + vl_api_ikev2_child_sa_t_endian (&rmp->child_sa); + }); + /* *INDENT-ON* */ +} + +static void +vl_api_ikev2_child_sa_dump_t_handler (vl_api_ikev2_child_sa_dump_t * mp) +{ + ikev2_main_t *im = &ikev2_main; + ikev2_main_per_thread_data_t *tkm; + ikev2_sa_t *sa; + ikev2_child_sa_t *child; + u32 sai = ~0, ti = ~0; + + ikev2_decode_sa_index (clib_net_to_host_u32 (mp->sa_index), &sai, &ti); + + if (vec_len (im->per_thread_data) <= ti) + return; + + tkm = vec_elt_at_index (im->per_thread_data, ti); + + if (pool_len (tkm->sas) <= sai || pool_is_free_index (tkm->sas, sai)) + return; + + sa = pool_elt_at_index (tkm->sas, sai); + + vec_foreach (child, sa->childs) + { + u32 child_sa_index = child - sa->childs; + send_child_sa (child, mp, child_sa_index, sai); + } +} + +static void + vl_api_ikev2_traffic_selector_dump_t_handler + (vl_api_ikev2_traffic_selector_dump_t * mp) +{ + ikev2_main_t *im = &ikev2_main; + ikev2_main_per_thread_data_t *tkm; + ikev2_sa_t *sa; + ikev2_child_sa_t *child; + ikev2_ts_t *ts; + u32 sai = ~0, ti = ~0; + + u32 api_sa_index = clib_net_to_host_u32 (mp->sa_index); + u32 child_sa_index = clib_net_to_host_u32 (mp->child_sa_index); + ikev2_decode_sa_index (api_sa_index, &sai, &ti); + + if (vec_len (im->per_thread_data) <= ti) + return; + + tkm = vec_elt_at_index (im->per_thread_data, ti); + + if (pool_len (tkm->sas) <= sai || pool_is_free_index (tkm->sas, sai)) + return; + + sa = pool_elt_at_index (tkm->sas, sai); + + if (vec_len (sa->childs) <= child_sa_index) + return; + + child = vec_elt_at_index (sa->childs, child_sa_index); + + vec_foreach (ts, mp->is_initiator ? child->tsi : child->tsr) + { + vl_api_ikev2_traffic_selector_details_t *rmp = 0; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2_ZERO (VL_API_IKEV2_TRAFFIC_SELECTOR_DETAILS, + { + rmp->ts.sa_index = api_sa_index; + rmp->ts.child_sa_index = child_sa_index; + cp_ts (&rmp->ts, ts, mp->is_initiator); + vl_api_ikev2_ts_t_endian (&rmp->ts); + }); + /* *INDENT-ON* */ + } +} + +static void +vl_api_ikev2_nonce_get_t_handler (vl_api_ikev2_nonce_get_t * mp) +{ + ikev2_main_t *im = &ikev2_main; + ikev2_main_per_thread_data_t *tkm; + ikev2_sa_t *sa; + u32 sai = ~0, ti = ~0; + + ikev2_decode_sa_index (clib_net_to_host_u32 (mp->sa_index), &sai, &ti); + + if (vec_len (im->per_thread_data) <= ti) + return; + + tkm = vec_elt_at_index (im->per_thread_data, ti); + + if (pool_len (tkm->sas) <= sai || pool_is_free_index (tkm->sas, sai)) + return; + + sa = pool_elt_at_index (tkm->sas, sai); + + u8 *nonce = mp->is_initiator ? sa->i_nonce : sa->r_nonce; + vl_api_ikev2_nonce_get_reply_t *rmp = 0; + int data_len = vec_len (nonce); + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO3_ZERO (VL_API_IKEV2_NONCE_GET_REPLY, data_len, + { + rmp->data_len = clib_host_to_net_u32 (data_len); + clib_memcpy (rmp->nonce, nonce, data_len); + }); + /* *INDENT-ON* */ +} + +static void vl_api_ikev2_plugin_get_version_t_handler (vl_api_ikev2_plugin_get_version_t * mp) { |