#include <vnet/ipsec/ikev2.h>
#include <vnet/ipsec/ikev2_priv.h>
-static int ikev2_delete_tunnel_interface(vnet_main_t * vnm,
- ikev2_sa_t *sa,
- ikev2_child_sa_t * child);
+static int ikev2_delete_tunnel_interface (vnet_main_t * vnm,
+ ikev2_sa_t * sa,
+ ikev2_child_sa_t * child);
#define ikev2_set_state(sa, v) do { \
(sa)->state = v; \
clib_warning("sa state changed to " #v); \
} while(0);
-typedef struct {
+typedef struct
+{
u32 next_index;
u32 sw_if_index;
} ikev2_trace_t;
-static u8 * format_ikev2_trace (u8 * s, va_list * args)
+static u8 *
+format_ikev2_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 *);
- ikev2_trace_t * t = va_arg (*args, ikev2_trace_t *);
+ ikev2_trace_t *t = va_arg (*args, ikev2_trace_t *);
s = format (s, "ikev2: sw_if_index %d, next index %d",
- t->sw_if_index, t->next_index);
+ t->sw_if_index, t->next_index);
return s;
}
_(IKE_REQ_IGNORE, "IKE request ignore (old msgid)") \
_(NOT_IKEV2, "Non IKEv2 packets received")
-typedef enum {
+typedef enum
+{
#define _(sym,str) IKEV2_ERROR_##sym,
foreach_ikev2_error
#undef _
- IKEV2_N_ERROR,
+ IKEV2_N_ERROR,
} ikev2_error_t;
-static char * ikev2_error_strings[] = {
+static char *ikev2_error_strings[] = {
#define _(sym,string) string,
foreach_ikev2_error
#undef _
};
-typedef enum {
+typedef enum
+{
IKEV2_NEXT_IP4_LOOKUP,
IKEV2_NEXT_ERROR_DROP,
IKEV2_N_NEXT,
} ikev2_next_t;
static ikev2_sa_transform_t *
-ikev2_find_transform_data(ikev2_sa_transform_t * t)
+ikev2_find_transform_data (ikev2_sa_transform_t * t)
{
- ikev2_main_t * km = &ikev2_main;
- ikev2_sa_transform_t * td;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_sa_transform_t *td;
- vec_foreach(td, km->supported_transforms)
- {
- if (td->type != t->type)
- continue;
+ vec_foreach (td, km->supported_transforms)
+ {
+ if (td->type != t->type)
+ continue;
- if (td->transform_id != t->transform_id)
- continue;
+ if (td->transform_id != t->transform_id)
+ continue;
- if (td->type == IKEV2_TRANSFORM_TYPE_ENCR)
- {
- if (vec_len(t->attrs) != 4 || t->attrs[0] != 0x80 || t->attrs[1] != 14)
- continue;
+ if (td->type == IKEV2_TRANSFORM_TYPE_ENCR)
+ {
+ if (vec_len (t->attrs) != 4 || t->attrs[0] != 0x80
+ || t->attrs[1] != 14)
+ continue;
- if (((t->attrs[2] << 8 | t->attrs[3]) / 8) != td->key_len)
- continue;
- }
- return td;
- }
+ if (((t->attrs[2] << 8 | t->attrs[3]) / 8) != td->key_len)
+ continue;
+ }
+ return td;
+ }
return 0;
}
static ikev2_sa_proposal_t *
-ikev2_select_proposal(ikev2_sa_proposal_t *proposals, ikev2_protocol_id_t prot_id)
+ikev2_select_proposal (ikev2_sa_proposal_t * proposals,
+ ikev2_protocol_id_t prot_id)
{
- ikev2_sa_proposal_t * rv = 0;
- ikev2_sa_proposal_t * proposal;
- ikev2_sa_transform_t * transform, * new_t;
+ ikev2_sa_proposal_t *rv = 0;
+ ikev2_sa_proposal_t *proposal;
+ ikev2_sa_transform_t *transform, *new_t;
u8 mandatory_bitmap, optional_bitmap;
if (prot_id == IKEV2_PROTOCOL_IKE)
{
- mandatory_bitmap = (1 << IKEV2_TRANSFORM_TYPE_ENCR) |
- (1 << IKEV2_TRANSFORM_TYPE_PRF) |
- (1 << IKEV2_TRANSFORM_TYPE_INTEG) |
- (1 << IKEV2_TRANSFORM_TYPE_DH);
- optional_bitmap = mandatory_bitmap;
+ mandatory_bitmap = (1 << IKEV2_TRANSFORM_TYPE_ENCR) |
+ (1 << IKEV2_TRANSFORM_TYPE_PRF) |
+ (1 << IKEV2_TRANSFORM_TYPE_INTEG) | (1 << IKEV2_TRANSFORM_TYPE_DH);
+ optional_bitmap = mandatory_bitmap;
}
else if (prot_id == IKEV2_PROTOCOL_ESP)
{
mandatory_bitmap = (1 << IKEV2_TRANSFORM_TYPE_ENCR) |
- (1 << IKEV2_TRANSFORM_TYPE_ESN);
- optional_bitmap = mandatory_bitmap |
- (1 << IKEV2_TRANSFORM_TYPE_INTEG) |
- (1 << IKEV2_TRANSFORM_TYPE_DH);
+ (1 << IKEV2_TRANSFORM_TYPE_ESN);
+ optional_bitmap = mandatory_bitmap |
+ (1 << IKEV2_TRANSFORM_TYPE_INTEG) | (1 << IKEV2_TRANSFORM_TYPE_DH);
}
else if (prot_id == IKEV2_PROTOCOL_AH)
{
mandatory_bitmap = (1 << IKEV2_TRANSFORM_TYPE_INTEG) |
- (1 << IKEV2_TRANSFORM_TYPE_ESN);
- optional_bitmap = mandatory_bitmap |
- (1 << IKEV2_TRANSFORM_TYPE_DH);
+ (1 << IKEV2_TRANSFORM_TYPE_ESN);
+ optional_bitmap = mandatory_bitmap | (1 << IKEV2_TRANSFORM_TYPE_DH);
}
else
return 0;
- vec_add2(rv, proposal, 1);
-
- vec_foreach(proposal, proposals)
- {
- u8 bitmap = 0;
- if (proposal->protocol_id != prot_id)
- continue;
+ vec_add2 (rv, proposal, 1);
- vec_foreach(transform, proposal->transforms)
- {
- if ((1 << transform->type) & bitmap)
- continue;
+ vec_foreach (proposal, proposals)
+ {
+ u8 bitmap = 0;
+ if (proposal->protocol_id != prot_id)
+ continue;
- if (ikev2_find_transform_data(transform))
- {
- bitmap |= 1 << transform->type;
- vec_add2(rv->transforms, new_t, 1);
- clib_memcpy(new_t, transform, sizeof(*new_t));
- new_t->attrs = vec_dup(transform->attrs);
- }
- }
+ vec_foreach (transform, proposal->transforms)
+ {
+ if ((1 << transform->type) & bitmap)
+ continue;
+
+ if (ikev2_find_transform_data (transform))
+ {
+ bitmap |= 1 << transform->type;
+ vec_add2 (rv->transforms, new_t, 1);
+ clib_memcpy (new_t, transform, sizeof (*new_t));
+ new_t->attrs = vec_dup (transform->attrs);
+ }
+ }
- clib_warning("bitmap is %x mandatory is %x optional is %x",
- bitmap, mandatory_bitmap, optional_bitmap);
+ clib_warning ("bitmap is %x mandatory is %x optional is %x",
+ bitmap, mandatory_bitmap, optional_bitmap);
- if ((bitmap & mandatory_bitmap) == mandatory_bitmap &&
- (bitmap & ~optional_bitmap) == 0)
- {
- rv->proposal_num = proposal->proposal_num;
- rv->protocol_id = proposal->protocol_id;
- RAND_bytes((u8 *) &rv->spi, sizeof(rv->spi));
- goto done;
- }
- else
- {
- vec_free(rv->transforms);
- }
- }
+ if ((bitmap & mandatory_bitmap) == mandatory_bitmap &&
+ (bitmap & ~optional_bitmap) == 0)
+ {
+ rv->proposal_num = proposal->proposal_num;
+ rv->protocol_id = proposal->protocol_id;
+ RAND_bytes ((u8 *) & rv->spi, sizeof (rv->spi));
+ goto done;
+ }
+ else
+ {
+ vec_free (rv->transforms);
+ }
+ }
- vec_free(rv);
+ vec_free (rv);
done:
return rv;
}
ikev2_sa_transform_t *
-ikev2_sa_get_td_for_type(ikev2_sa_proposal_t * p, ikev2_transform_type_t type)
+ikev2_sa_get_td_for_type (ikev2_sa_proposal_t * p,
+ ikev2_transform_type_t type)
{
- ikev2_sa_transform_t * t;
+ ikev2_sa_transform_t *t;
if (!p)
return 0;
- vec_foreach(t, p->transforms)
- {
- if (t->type == type)
- return ikev2_find_transform_data(t);
- }
+ vec_foreach (t, p->transforms)
+ {
+ if (t->type == type)
+ return ikev2_find_transform_data (t);
+ }
return 0;
}
ikev2_child_sa_t *
-ikev2_sa_get_child(ikev2_sa_t * sa, u32 spi, ikev2_protocol_id_t prot_id)
+ikev2_sa_get_child (ikev2_sa_t * sa, u32 spi, ikev2_protocol_id_t prot_id)
{
- ikev2_child_sa_t * c;
- vec_foreach(c, sa->childs)
- {
- if (c->i_proposals[0].spi == spi && c->i_proposals[0].protocol_id == prot_id)
- return c;
- }
+ ikev2_child_sa_t *c;
+ vec_foreach (c, sa->childs)
+ {
+ if (c->i_proposals[0].spi == spi
+ && c->i_proposals[0].protocol_id == prot_id)
+ return c;
+ }
return 0;
}
void
-ikev2_sa_free_proposal_vector(ikev2_sa_proposal_t ** v)
+ikev2_sa_free_proposal_vector (ikev2_sa_proposal_t ** v)
{
- ikev2_sa_proposal_t * p;
- ikev2_sa_transform_t * t;
+ ikev2_sa_proposal_t *p;
+ ikev2_sa_transform_t *t;
if (!*v)
- return;
+ return;
- vec_foreach(p, *v) {
- vec_foreach(t, p->transforms) {
- vec_free(t->attrs);
+ vec_foreach (p, *v)
+ {
+ vec_foreach (t, p->transforms)
+ {
+ vec_free (t->attrs);
}
- vec_free(p->transforms);
+ vec_free (p->transforms);
}
- vec_free(*v);
+ vec_free (*v);
};
static void
-ikev2_sa_free_all_child_sa(ikev2_child_sa_t ** childs)
+ikev2_sa_free_all_child_sa (ikev2_child_sa_t ** childs)
{
- ikev2_child_sa_t * c;
- vec_foreach(c, *childs)
- {
- ikev2_sa_free_proposal_vector(&c->r_proposals);
- ikev2_sa_free_proposal_vector(&c->i_proposals);
- vec_free(c->sk_ai);
- vec_free(c->sk_ar);
- vec_free(c->sk_ei);
- vec_free(c->sk_er);
- }
+ ikev2_child_sa_t *c;
+ vec_foreach (c, *childs)
+ {
+ ikev2_sa_free_proposal_vector (&c->r_proposals);
+ ikev2_sa_free_proposal_vector (&c->i_proposals);
+ vec_free (c->sk_ai);
+ vec_free (c->sk_ar);
+ vec_free (c->sk_ei);
+ vec_free (c->sk_er);
+ }
- vec_free(*childs);
+ vec_free (*childs);
}
static void
-ikev2_sa_del_child_sa(ikev2_sa_t * sa, ikev2_child_sa_t * child)
+ikev2_sa_del_child_sa (ikev2_sa_t * sa, ikev2_child_sa_t * child)
{
- ikev2_sa_free_proposal_vector(&child->r_proposals);
- ikev2_sa_free_proposal_vector(&child->i_proposals);
- vec_free(child->sk_ai);
- vec_free(child->sk_ar);
- vec_free(child->sk_ei);
- vec_free(child->sk_er);
-
- vec_del1(sa->childs, child - sa->childs);
+ ikev2_sa_free_proposal_vector (&child->r_proposals);
+ ikev2_sa_free_proposal_vector (&child->i_proposals);
+ vec_free (child->sk_ai);
+ vec_free (child->sk_ar);
+ vec_free (child->sk_ei);
+ vec_free (child->sk_er);
+
+ vec_del1 (sa->childs, child - sa->childs);
}
static void
-ikev2_sa_free_all_vec(ikev2_sa_t *sa)
+ikev2_sa_free_all_vec (ikev2_sa_t * sa)
{
- vec_free(sa->i_nonce);
- vec_free(sa->i_dh_data);
- vec_free(sa->dh_shared_key);
-
- ikev2_sa_free_proposal_vector(&sa->r_proposals);
- ikev2_sa_free_proposal_vector(&sa->i_proposals);
-
- vec_free(sa->sk_d);
- vec_free(sa->sk_ai);
- vec_free(sa->sk_ar);
- vec_free(sa->sk_ei);
- vec_free(sa->sk_er);
- vec_free(sa->sk_pi);
- vec_free(sa->sk_pr);
-
- vec_free(sa->i_id.data);
- vec_free(sa->i_auth.data);
- vec_free(sa->r_id.data);
- vec_free(sa->r_auth.data);
+ vec_free (sa->i_nonce);
+ vec_free (sa->i_dh_data);
+ vec_free (sa->dh_shared_key);
+
+ ikev2_sa_free_proposal_vector (&sa->r_proposals);
+ ikev2_sa_free_proposal_vector (&sa->i_proposals);
+
+ vec_free (sa->sk_d);
+ vec_free (sa->sk_ai);
+ vec_free (sa->sk_ar);
+ vec_free (sa->sk_ei);
+ vec_free (sa->sk_er);
+ vec_free (sa->sk_pi);
+ vec_free (sa->sk_pr);
+
+ vec_free (sa->i_id.data);
+ vec_free (sa->i_auth.data);
+ vec_free (sa->r_id.data);
+ vec_free (sa->r_auth.data);
if (sa->r_auth.key)
- EVP_PKEY_free(sa->r_auth.key);
+ EVP_PKEY_free (sa->r_auth.key);
- vec_free(sa->del);
+ vec_free (sa->del);
- ikev2_sa_free_all_child_sa(&sa->childs);
+ ikev2_sa_free_all_child_sa (&sa->childs);
}
static void
-ikev2_delete_sa(ikev2_sa_t *sa)
+ikev2_delete_sa (ikev2_sa_t * sa)
{
- ikev2_main_t * km = &ikev2_main;
- u32 cpu_index = os_get_cpu_number();
- uword * p;
+ ikev2_main_t *km = &ikev2_main;
+ u32 cpu_index = os_get_cpu_number ();
+ uword *p;
- ikev2_sa_free_all_vec(sa);
+ ikev2_sa_free_all_vec (sa);
- p = hash_get(km->per_thread_data[cpu_index].sa_by_rspi, sa->rspi);
+ p = hash_get (km->per_thread_data[cpu_index].sa_by_rspi, sa->rspi);
if (p)
{
- hash_unset(km->per_thread_data[cpu_index].sa_by_rspi, sa->rspi);
- pool_put(km->per_thread_data[cpu_index].sas, sa);
+ hash_unset (km->per_thread_data[cpu_index].sa_by_rspi, sa->rspi);
+ pool_put (km->per_thread_data[cpu_index].sas, sa);
}
}
static void
-ikev2_generate_sa_init_data(ikev2_sa_t *sa)
+ikev2_generate_sa_init_data (ikev2_sa_t * sa)
{
- ikev2_sa_transform_t * t = 0, * t2;
- ikev2_main_t * km = &ikev2_main;
+ ikev2_sa_transform_t *t = 0, *t2;
+ ikev2_main_t *km = &ikev2_main;
if (sa->dh_group == IKEV2_TRANSFORM_DH_TYPE_NONE)
{
}
/* check if received DH group is on our list of supported groups */
- vec_foreach(t2, km->supported_transforms)
- {
- if (t2->type == IKEV2_TRANSFORM_TYPE_DH &&
- sa->dh_group == t2->dh_type)
- {
- t = t2;
- break;
- }
- }
+ vec_foreach (t2, km->supported_transforms)
+ {
+ if (t2->type == IKEV2_TRANSFORM_TYPE_DH && sa->dh_group == t2->dh_type)
+ {
+ t = t2;
+ break;
+ }
+ }
if (!t)
{
- clib_warning("unknown dh data group %u (data len %u)", sa->dh_group,
- vec_len(sa->i_dh_data));
+ clib_warning ("unknown dh data group %u (data len %u)", sa->dh_group,
+ vec_len (sa->i_dh_data));
sa->dh_group = IKEV2_TRANSFORM_DH_TYPE_NONE;
return;
}
/* generate rspi */
- RAND_bytes((u8 *) &sa->rspi, 8);
+ RAND_bytes ((u8 *) & sa->rspi, 8);
/* generate nonce */
- sa->r_nonce = vec_new(u8, IKEV2_NONCE_SIZE);
- RAND_bytes((u8 *) sa->r_nonce, IKEV2_NONCE_SIZE);
+ sa->r_nonce = vec_new (u8, IKEV2_NONCE_SIZE);
+ RAND_bytes ((u8 *) sa->r_nonce, IKEV2_NONCE_SIZE);
/* generate dh keys */
- ikev2_generate_dh(sa, t);
+ ikev2_generate_dh (sa, t);
}
static void
-ikev2_calc_keys(ikev2_sa_t *sa)
+ikev2_calc_keys (ikev2_sa_t * sa)
{
- u8 * tmp;
+ u8 *tmp;
/* calculate SKEYSEED = prf(Ni | Nr, g^ir) */
- u8 * skeyseed = 0;
- u8 * s = 0;
- ikev2_sa_transform_t * tr_encr, * tr_prf, * tr_integ;
- tr_encr = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
- tr_prf = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
- tr_integ = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
-
- vec_append(s, sa->i_nonce);
- vec_append(s, sa->r_nonce);
- skeyseed = ikev2_calc_prf(tr_prf, s, sa->dh_shared_key);
-
- /* Calculate S = Ni | Nr | SPIi | SPIr*/
- u64 * spi;
- vec_add2(s, tmp, 2 * sizeof(*spi));
+ u8 *skeyseed = 0;
+ u8 *s = 0;
+ ikev2_sa_transform_t *tr_encr, *tr_prf, *tr_integ;
+ tr_encr =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+ tr_integ =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+
+ vec_append (s, sa->i_nonce);
+ vec_append (s, sa->r_nonce);
+ skeyseed = ikev2_calc_prf (tr_prf, s, sa->dh_shared_key);
+
+ /* Calculate S = Ni | Nr | SPIi | SPIr */
+ u64 *spi;
+ vec_add2 (s, tmp, 2 * sizeof (*spi));
spi = (u64 *) tmp;
- spi[0] = clib_host_to_net_u64(sa->ispi);
- spi[1] = clib_host_to_net_u64(sa->rspi);
+ spi[0] = clib_host_to_net_u64 (sa->ispi);
+ spi[1] = clib_host_to_net_u64 (sa->rspi);
/* calculate PRFplus */
- u8 * keymat;
- int len = tr_prf->key_trunc + /* SK_d */
- tr_integ->key_len * 2 + /* SK_ai, SK_ar */
- tr_encr->key_len * 2 + /* SK_ei, SK_er */
- tr_prf->key_len * 2 ; /* SK_pi, SK_pr */
+ u8 *keymat;
+ int len = tr_prf->key_trunc + /* SK_d */
+ tr_integ->key_len * 2 + /* SK_ai, SK_ar */
+ tr_encr->key_len * 2 + /* SK_ei, SK_er */
+ tr_prf->key_len * 2; /* SK_pi, SK_pr */
- keymat = ikev2_calc_prfplus(tr_prf, skeyseed, s, len);
- vec_free(skeyseed);
- vec_free(s);
+ keymat = ikev2_calc_prfplus (tr_prf, skeyseed, s, len);
+ vec_free (skeyseed);
+ vec_free (s);
int pos = 0;
/* SK_d */
- sa->sk_d = vec_new(u8, tr_prf->key_trunc);
- clib_memcpy(sa->sk_d, keymat + pos, tr_prf->key_trunc);
+ sa->sk_d = vec_new (u8, tr_prf->key_trunc);
+ clib_memcpy (sa->sk_d, keymat + pos, tr_prf->key_trunc);
pos += tr_prf->key_trunc;
/* SK_ai */
- sa->sk_ai = vec_new(u8, tr_integ->key_len);
- clib_memcpy(sa->sk_ai, keymat + pos, tr_integ->key_len);
+ sa->sk_ai = vec_new (u8, tr_integ->key_len);
+ clib_memcpy (sa->sk_ai, keymat + pos, tr_integ->key_len);
pos += tr_integ->key_len;
/* SK_ar */
- sa->sk_ar = vec_new(u8, tr_integ->key_len);
- clib_memcpy(sa->sk_ar, keymat + pos, tr_integ->key_len);
+ sa->sk_ar = vec_new (u8, tr_integ->key_len);
+ clib_memcpy (sa->sk_ar, keymat + pos, tr_integ->key_len);
pos += tr_integ->key_len;
/* SK_ei */
- sa->sk_ei = vec_new(u8, tr_encr->key_len);
- clib_memcpy(sa->sk_ei, keymat + pos, tr_encr->key_len);
+ sa->sk_ei = vec_new (u8, tr_encr->key_len);
+ clib_memcpy (sa->sk_ei, keymat + pos, tr_encr->key_len);
pos += tr_encr->key_len;
/* SK_er */
- sa->sk_er = vec_new(u8, tr_encr->key_len);
- clib_memcpy(sa->sk_er, keymat + pos, tr_encr->key_len);
+ sa->sk_er = vec_new (u8, tr_encr->key_len);
+ clib_memcpy (sa->sk_er, keymat + pos, tr_encr->key_len);
pos += tr_encr->key_len;
/* SK_pi */
- sa->sk_pi = vec_new(u8, tr_prf->key_len);
- clib_memcpy(sa->sk_pi, keymat + pos, tr_prf->key_len);
+ sa->sk_pi = vec_new (u8, tr_prf->key_len);
+ clib_memcpy (sa->sk_pi, keymat + pos, tr_prf->key_len);
pos += tr_prf->key_len;
/* SK_pr */
- sa->sk_pr = vec_new(u8, tr_prf->key_len);
- clib_memcpy(sa->sk_pr, keymat + pos, tr_prf->key_len);
+ sa->sk_pr = vec_new (u8, tr_prf->key_len);
+ clib_memcpy (sa->sk_pr, keymat + pos, tr_prf->key_len);
pos += tr_prf->key_len;
- vec_free(keymat);
+ vec_free (keymat);
}
static void
-ikev2_calc_child_keys(ikev2_sa_t *sa, ikev2_child_sa_t * child)
+ikev2_calc_child_keys (ikev2_sa_t * sa, ikev2_child_sa_t * child)
{
- u8 * s = 0;
- ikev2_sa_transform_t * tr_prf, * ctr_encr, * ctr_integ;
- tr_prf = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
- ctr_encr = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
- ctr_integ = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
-
- vec_append(s, sa->i_nonce);
- vec_append(s, sa->r_nonce);
+ u8 *s = 0;
+ ikev2_sa_transform_t *tr_prf, *ctr_encr, *ctr_integ;
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+ ctr_encr =
+ ikev2_sa_get_td_for_type (child->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ ctr_integ =
+ ikev2_sa_get_td_for_type (child->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+
+ vec_append (s, sa->i_nonce);
+ vec_append (s, sa->r_nonce);
/* calculate PRFplus */
- u8 * keymat;
+ u8 *keymat;
int len = ctr_encr->key_len * 2 + ctr_integ->key_len * 2;
- keymat = ikev2_calc_prfplus(tr_prf, sa->sk_d, s, len);
+ keymat = ikev2_calc_prfplus (tr_prf, sa->sk_d, s, len);
int pos = 0;
/* SK_ei */
- child->sk_ei = vec_new(u8, ctr_encr->key_len);
- clib_memcpy(child->sk_ei, keymat + pos, ctr_encr->key_len);
+ child->sk_ei = vec_new (u8, ctr_encr->key_len);
+ clib_memcpy (child->sk_ei, keymat + pos, ctr_encr->key_len);
pos += ctr_encr->key_len;
/* SK_ai */
- child->sk_ai = vec_new(u8, ctr_integ->key_len);
- clib_memcpy(child->sk_ai, keymat + pos, ctr_integ->key_len);
+ child->sk_ai = vec_new (u8, ctr_integ->key_len);
+ clib_memcpy (child->sk_ai, keymat + pos, ctr_integ->key_len);
pos += ctr_integ->key_len;
/* SK_er */
- child->sk_er = vec_new(u8, ctr_encr->key_len);
- clib_memcpy(child->sk_er, keymat + pos, ctr_encr->key_len);
+ child->sk_er = vec_new (u8, ctr_encr->key_len);
+ clib_memcpy (child->sk_er, keymat + pos, ctr_encr->key_len);
pos += ctr_encr->key_len;
/* SK_ar */
- child->sk_ar = vec_new(u8, ctr_integ->key_len);
- clib_memcpy(child->sk_ar, keymat + pos, ctr_integ->key_len);
+ child->sk_ar = vec_new (u8, ctr_integ->key_len);
+ clib_memcpy (child->sk_ar, keymat + pos, ctr_integ->key_len);
pos += ctr_integ->key_len;
- ASSERT(pos == len);
+ ASSERT (pos == len);
- vec_free(keymat);
+ vec_free (keymat);
}
static void
-ikev2_process_sa_init_req(vlib_main_t * vm, ikev2_sa_t *sa, ike_header_t * ike)
+ikev2_process_sa_init_req (vlib_main_t * vm, ikev2_sa_t * sa,
+ ike_header_t * ike)
{
int p = 0;
- u32 len = clib_net_to_host_u32(ike->length);
+ u32 len = clib_net_to_host_u32 (ike->length);
u8 payload = ike->nextpayload;
- clib_warning("ispi %lx rspi %lx nextpayload %x version %x "
- "exchange %x flags %x msgid %x length %u",
- clib_net_to_host_u64(ike->ispi),
- clib_net_to_host_u64(ike->rspi),
- payload, ike->version,
- ike->exchange, ike->flags,
- clib_net_to_host_u32(ike->msgid),
- len);
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
- sa->ispi = clib_net_to_host_u64(ike->ispi);
+ sa->ispi = clib_net_to_host_u64 (ike->ispi);
/* store whole IKE payload - needed for PSK auth */
- vec_free(sa->last_sa_init_req_packet_data);
- vec_add(sa->last_sa_init_req_packet_data, ike, len);
-
- while (p < len && payload!= IKEV2_PAYLOAD_NONE) {
- ike_payload_header_t * ikep = (ike_payload_header_t *) &ike->payload[p];
- u32 plen = clib_net_to_host_u16(ikep->length);
-
- if (plen < sizeof(ike_payload_header_t))
- return;
+ vec_free (sa->last_sa_init_req_packet_data);
+ vec_add (sa->last_sa_init_req_packet_data, ike, len);
- if (payload == IKEV2_PAYLOAD_SA)
- {
- ikev2_sa_free_proposal_vector(&sa->i_proposals);
- sa->i_proposals = ikev2_parse_sa_payload(ikep);
- }
- else if (payload == IKEV2_PAYLOAD_KE)
- {
- ike_ke_payload_header_t * ke = (ike_ke_payload_header_t *) ikep;
- sa->dh_group = clib_net_to_host_u16(ke->dh_group);
- vec_free(sa->i_dh_data);
- vec_add(sa->i_dh_data, ke->payload, plen - sizeof(*ke));
- }
- else if (payload == IKEV2_PAYLOAD_NONCE)
- {
- vec_free(sa->i_nonce);
- vec_add(sa->i_nonce, ikep->payload, plen - sizeof(*ikep));
- }
- else if (payload == IKEV2_PAYLOAD_NOTIFY)
- {
- ikev2_notify_t * n = ikev2_parse_notify_payload(ikep);
- vec_free(n);
- }
- else if (payload == IKEV2_PAYLOAD_VENDOR)
- {
- ikev2_parse_vendor_payload(ikep);
- }
- else
- {
- clib_warning("unknown payload %u flags %x length %u", payload, ikep->flags, plen);
- if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL) {
- ikev2_set_state(sa, IKEV2_STATE_NOTIFY_AND_DELETE);
- sa->unsupported_cp = payload;
- return;
- }
- }
+ while (p < len && payload != IKEV2_PAYLOAD_NONE)
+ {
+ ike_payload_header_t *ikep = (ike_payload_header_t *) & ike->payload[p];
+ u32 plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ return;
+
+ if (payload == IKEV2_PAYLOAD_SA)
+ {
+ ikev2_sa_free_proposal_vector (&sa->i_proposals);
+ sa->i_proposals = ikev2_parse_sa_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_KE)
+ {
+ ike_ke_payload_header_t *ke = (ike_ke_payload_header_t *) ikep;
+ sa->dh_group = clib_net_to_host_u16 (ke->dh_group);
+ vec_free (sa->i_dh_data);
+ vec_add (sa->i_dh_data, ke->payload, plen - sizeof (*ke));
+ }
+ else if (payload == IKEV2_PAYLOAD_NONCE)
+ {
+ vec_free (sa->i_nonce);
+ vec_add (sa->i_nonce, ikep->payload, plen - sizeof (*ikep));
+ }
+ else if (payload == IKEV2_PAYLOAD_NOTIFY)
+ {
+ ikev2_notify_t *n = ikev2_parse_notify_payload (ikep);
+ vec_free (n);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR)
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
+ else
+ {
+ clib_warning ("unknown payload %u flags %x length %u", payload,
+ ikep->flags, plen);
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
- payload = ikep->nextpayload;
- p+=plen;
- }
+ payload = ikep->nextpayload;
+ p += plen;
+ }
- ikev2_set_state(sa, IKEV2_STATE_SA_INIT);
+ ikev2_set_state (sa, IKEV2_STATE_SA_INIT);
}
static u8 *
-ikev2_decrypt_sk_payload(ikev2_sa_t * sa, ike_header_t * ike, u8 * payload)
+ikev2_decrypt_sk_payload (ikev2_sa_t * sa, ike_header_t * ike, u8 * payload)
{
int p = 0;
u8 last_payload = 0;
- u8 * hmac = 0;
- u32 len = clib_net_to_host_u32(ike->length);
- ike_payload_header_t * ikep = 0;
+ u8 *hmac = 0;
+ u32 len = clib_net_to_host_u32 (ike->length);
+ ike_payload_header_t *ikep = 0;
u32 plen = 0;
- ikev2_sa_transform_t * tr_integ;
- tr_integ = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+ ikev2_sa_transform_t *tr_integ;
+ tr_integ =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
while (p < len &&
- *payload != IKEV2_PAYLOAD_NONE && last_payload != IKEV2_PAYLOAD_SK)
+ *payload != IKEV2_PAYLOAD_NONE && last_payload != IKEV2_PAYLOAD_SK)
{
- ikep = (ike_payload_header_t *) &ike->payload[p];
- plen = clib_net_to_host_u16(ikep->length);
+ ikep = (ike_payload_header_t *) & ike->payload[p];
+ plen = clib_net_to_host_u16 (ikep->length);
- if (plen < sizeof(*ikep))
- return 0;
+ if (plen < sizeof (*ikep))
+ return 0;
if (*payload == IKEV2_PAYLOAD_SK)
- {
- clib_warning("received IKEv2 payload SK, len %u", plen - 4);
- last_payload = *payload;
- }
+ {
+ clib_warning ("received IKEv2 payload SK, len %u", plen - 4);
+ last_payload = *payload;
+ }
else
- {
- clib_warning("unknown payload %u flags %x length %u", payload, ikep->flags, plen);
- if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
- {
- sa->unsupported_cp = *payload;
- return 0;
- }
- }
-
- *payload = ikep->nextpayload;
- p+=plen;
- }
+ {
+ clib_warning ("unknown payload %u flags %x length %u", payload,
+ ikep->flags, plen);
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ sa->unsupported_cp = *payload;
+ return 0;
+ }
+ }
+
+ *payload = ikep->nextpayload;
+ p += plen;
+ }
- if (last_payload != IKEV2_PAYLOAD_SK) {
- clib_warning("Last payload must be SK");
- return 0;
- }
+ if (last_payload != IKEV2_PAYLOAD_SK)
+ {
+ clib_warning ("Last payload must be SK");
+ return 0;
+ }
- hmac = ikev2_calc_integr(tr_integ, sa->sk_ai, (u8 *) ike,
- len - tr_integ->key_trunc);
+ hmac = ikev2_calc_integr (tr_integ, sa->sk_ai, (u8 *) ike,
+ len - tr_integ->key_trunc);
- plen = plen - sizeof(*ikep) - tr_integ->key_trunc;
+ plen = plen - sizeof (*ikep) - tr_integ->key_trunc;
- if (memcmp(hmac, &ikep->payload[plen], tr_integ->key_trunc))
+ if (memcmp (hmac, &ikep->payload[plen], tr_integ->key_trunc))
{
- clib_warning("message integrity check failed");
- vec_free(hmac);
+ clib_warning ("message integrity check failed");
+ vec_free (hmac);
return 0;
}
- vec_free(hmac);
+ vec_free (hmac);
- return ikev2_decrypt_data(sa, ikep->payload, plen);
+ return ikev2_decrypt_data (sa, ikep->payload, plen);
}
static void
ikev2_initial_contact_cleanup (ikev2_sa_t * sa)
{
- ikev2_main_t * km = &ikev2_main;
- ikev2_sa_t * tmp;
- u32 i, * delete = 0;
- ikev2_child_sa_t * c;
- u32 cpu_index = os_get_cpu_number();
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_sa_t *tmp;
+ u32 i, *delete = 0;
+ ikev2_child_sa_t *c;
+ u32 cpu_index = os_get_cpu_number ();
if (!sa->initial_contact)
return;
/* find old IKE SAs with the same authenticated identity */
+ /* *INDENT-OFF* */
pool_foreach (tmp, km->per_thread_data[cpu_index].sas, ({
if (tmp->i_id.type != sa->i_id.type ||
vec_len(tmp->i_id.data) != vec_len(sa->i_id.data) ||
if (sa->rspi != tmp->rspi)
vec_add1(delete, tmp - km->per_thread_data[cpu_index].sas);
}));
+ /* *INDENT-ON* */
- for (i = 0; i < vec_len(delete); i++)
+ for (i = 0; i < vec_len (delete); i++)
{
- tmp = pool_elt_at_index(km->per_thread_data[cpu_index].sas, delete[i]);
- vec_foreach(c, tmp->childs)
- ikev2_delete_tunnel_interface(km->vnet_main, tmp, c);
- ikev2_delete_sa(tmp);
+ tmp = pool_elt_at_index (km->per_thread_data[cpu_index].sas, delete[i]);
+ vec_foreach (c, tmp->childs)
+ ikev2_delete_tunnel_interface (km->vnet_main, tmp, c);
+ ikev2_delete_sa (tmp);
}
- vec_free(delete);
+ vec_free (delete);
sa->initial_contact = 0;
}
static void
-ikev2_process_auth_req(vlib_main_t * vm, ikev2_sa_t *sa, ike_header_t * ike)
+ikev2_process_auth_req (vlib_main_t * vm, ikev2_sa_t * sa, ike_header_t * ike)
{
- ikev2_child_sa_t * first_child_sa;
+ ikev2_child_sa_t *first_child_sa;
int p = 0;
- u32 len = clib_net_to_host_u32(ike->length);
+ u32 len = clib_net_to_host_u32 (ike->length);
u8 payload = ike->nextpayload;
- u8 * plaintext = 0;
+ u8 *plaintext = 0;
- ike_payload_header_t * ikep;
+ ike_payload_header_t *ikep;
u32 plen;
- clib_warning("ispi %lx rspi %lx nextpayload %x version %x "
- "exchange %x flags %x msgid %x length %u",
- clib_net_to_host_u64(ike->ispi),
- clib_net_to_host_u64(ike->rspi),
- payload, ike->version,
- ike->exchange, ike->flags,
- clib_net_to_host_u32(ike->msgid),
- len);
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
- ikev2_calc_keys(sa);
+ ikev2_calc_keys (sa);
- plaintext = ikev2_decrypt_sk_payload(sa, ike, &payload);
+ plaintext = ikev2_decrypt_sk_payload (sa, ike, &payload);
if (!plaintext)
{
if (sa->unsupported_cp)
- ikev2_set_state(sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
goto cleanup_and_exit;
}
/* create 1st child SA */
- ikev2_sa_free_all_child_sa(&sa->childs);
- vec_add2(sa->childs, first_child_sa, 1);
+ ikev2_sa_free_all_child_sa (&sa->childs);
+ vec_add2 (sa->childs, first_child_sa, 1);
/* process encrypted payload */
p = 0;
- while (p < vec_len(plaintext) && payload != IKEV2_PAYLOAD_NONE)
+ while (p < vec_len (plaintext) && payload != IKEV2_PAYLOAD_NONE)
{
- ikep = (ike_payload_header_t *) &plaintext[p];
- plen = clib_net_to_host_u16(ikep->length);
-
- if (plen < sizeof(ike_payload_header_t))
- goto cleanup_and_exit;
-
- if (payload == IKEV2_PAYLOAD_SA) /* 33 */
- {
- clib_warning("received payload SA, len %u", plen - sizeof(*ikep));
- ikev2_sa_free_proposal_vector(&first_child_sa->i_proposals);
- first_child_sa->i_proposals = ikev2_parse_sa_payload(ikep);
- }
- else if (payload == IKEV2_PAYLOAD_IDI) /* 35 */
- {
- ike_id_payload_header_t * id = (ike_id_payload_header_t *) ikep;
-
- sa->i_id.type = id->id_type;
- vec_free(sa->i_id.data);
- vec_add(sa->i_id.data, id->payload, plen - sizeof(*id));
-
- clib_warning("received payload IDi, len %u id_type %u",
- plen - sizeof(*id), id->id_type);
- }
- else if (payload == IKEV2_PAYLOAD_AUTH) /* 39 */
- {
- ike_auth_payload_header_t * a = (ike_auth_payload_header_t *) ikep;
-
- sa->i_auth.method = a->auth_method;
- vec_free(sa->i_auth.data);
- vec_add(sa->i_auth.data, a->payload, plen - sizeof(*a));
-
- clib_warning("received payload AUTH, len %u auth_type %u",
- plen - sizeof(*a), a->auth_method);
- }
- else if (payload == IKEV2_PAYLOAD_NOTIFY) /* 41 */
- {
- ikev2_notify_t * n = ikev2_parse_notify_payload(ikep);
- if (n->msg_type == IKEV2_NOTIFY_MSG_INITIAL_CONTACT)
- {
- sa->initial_contact = 1;
- }
- vec_free(n);
- }
- else if (payload == IKEV2_PAYLOAD_VENDOR) /* 43 */
- {
- ikev2_parse_vendor_payload(ikep);
- }
- else if (payload == IKEV2_PAYLOAD_TSI) /* 44 */
- {
- clib_warning("received payload TSi, len %u", plen - sizeof(*ikep));
-
- vec_free(first_child_sa->tsi);
- first_child_sa->tsi = ikev2_parse_ts_payload(ikep);
- }
- else if (payload == IKEV2_PAYLOAD_TSR) /* 45 */
- {
- clib_warning("received payload TSr, len %u", plen - sizeof(*ikep));
-
- vec_free(first_child_sa->tsr);
- first_child_sa->tsr = ikev2_parse_ts_payload(ikep);
- }
+ ikep = (ike_payload_header_t *) & plaintext[p];
+ plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ goto cleanup_and_exit;
+
+ if (payload == IKEV2_PAYLOAD_SA) /* 33 */
+ {
+ clib_warning ("received payload SA, len %u", plen - sizeof (*ikep));
+ ikev2_sa_free_proposal_vector (&first_child_sa->i_proposals);
+ first_child_sa->i_proposals = ikev2_parse_sa_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_IDI) /* 35 */
+ {
+ ike_id_payload_header_t *id = (ike_id_payload_header_t *) ikep;
+
+ sa->i_id.type = id->id_type;
+ vec_free (sa->i_id.data);
+ vec_add (sa->i_id.data, id->payload, plen - sizeof (*id));
+
+ clib_warning ("received payload IDi, len %u id_type %u",
+ plen - sizeof (*id), id->id_type);
+ }
+ else if (payload == IKEV2_PAYLOAD_AUTH) /* 39 */
+ {
+ ike_auth_payload_header_t *a = (ike_auth_payload_header_t *) ikep;
+
+ sa->i_auth.method = a->auth_method;
+ vec_free (sa->i_auth.data);
+ vec_add (sa->i_auth.data, a->payload, plen - sizeof (*a));
+
+ clib_warning ("received payload AUTH, len %u auth_type %u",
+ plen - sizeof (*a), a->auth_method);
+ }
+ else if (payload == IKEV2_PAYLOAD_NOTIFY) /* 41 */
+ {
+ ikev2_notify_t *n = ikev2_parse_notify_payload (ikep);
+ if (n->msg_type == IKEV2_NOTIFY_MSG_INITIAL_CONTACT)
+ {
+ sa->initial_contact = 1;
+ }
+ vec_free (n);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR) /* 43 */
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_TSI) /* 44 */
+ {
+ clib_warning ("received payload TSi, len %u",
+ plen - sizeof (*ikep));
+
+ vec_free (first_child_sa->tsi);
+ first_child_sa->tsi = ikev2_parse_ts_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_TSR) /* 45 */
+ {
+ clib_warning ("received payload TSr, len %u",
+ plen - sizeof (*ikep));
+
+ vec_free (first_child_sa->tsr);
+ first_child_sa->tsr = ikev2_parse_ts_payload (ikep);
+ }
else
- {
- clib_warning("unknown payload %u flags %x length %u data %u",
- payload, ikep->flags, plen - 4,
- format_hex_bytes, ikep->payload, plen - 4);
-
- if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL) {
- ikev2_set_state(sa, IKEV2_STATE_NOTIFY_AND_DELETE);
- sa->unsupported_cp = payload;
- return;
- }
- }
+ {
+ clib_warning ("unknown payload %u flags %x length %u data %u",
+ payload, ikep->flags, plen - 4,
+ format_hex_bytes, ikep->payload, plen - 4);
+
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
payload = ikep->nextpayload;
p += plen;
}
cleanup_and_exit:
- vec_free(plaintext);
+ vec_free (plaintext);
}
static void
-ikev2_process_informational_req(vlib_main_t * vm, ikev2_sa_t *sa, ike_header_t * ike)
+ikev2_process_informational_req (vlib_main_t * vm, ikev2_sa_t * sa,
+ ike_header_t * ike)
{
int p = 0;
- u32 len = clib_net_to_host_u32(ike->length);
+ u32 len = clib_net_to_host_u32 (ike->length);
u8 payload = ike->nextpayload;
- u8 * plaintext = 0;
+ u8 *plaintext = 0;
- ike_payload_header_t * ikep;
+ ike_payload_header_t *ikep;
u32 plen;
- clib_warning("ispi %lx rspi %lx nextpayload %x version %x "
- "exchange %x flags %x msgid %x length %u",
- clib_net_to_host_u64(ike->ispi),
- clib_net_to_host_u64(ike->rspi),
- payload, ike->version,
- ike->exchange, ike->flags,
- clib_net_to_host_u32(ike->msgid),
- len);
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
- plaintext = ikev2_decrypt_sk_payload(sa, ike, &payload);
+ plaintext = ikev2_decrypt_sk_payload (sa, ike, &payload);
if (!plaintext)
goto cleanup_and_exit;
/* process encrypted payload */
p = 0;
- while (p < vec_len(plaintext) && payload != IKEV2_PAYLOAD_NONE)
+ while (p < vec_len (plaintext) && payload != IKEV2_PAYLOAD_NONE)
{
- ikep = (ike_payload_header_t *) &plaintext[p];
- plen = clib_net_to_host_u16(ikep->length);
-
- if (plen < sizeof(ike_payload_header_t))
- goto cleanup_and_exit;
-
- if (payload == IKEV2_PAYLOAD_NOTIFY) /* 41 */
- {
- ikev2_notify_t * n = ikev2_parse_notify_payload(ikep);
- if (n->msg_type == IKEV2_NOTIFY_MSG_AUTHENTICATION_FAILED)
- ikev2_set_state(sa, IKEV2_STATE_AUTH_FAILED);
- vec_free(n);
- }
- else if (payload == IKEV2_PAYLOAD_DELETE) /* 42 */
- {
- sa->del = ikev2_parse_delete_payload(ikep);
- }
- else if (payload == IKEV2_PAYLOAD_VENDOR) /* 43 */
- {
- ikev2_parse_vendor_payload(ikep);
- }
+ ikep = (ike_payload_header_t *) & plaintext[p];
+ plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ goto cleanup_and_exit;
+
+ if (payload == IKEV2_PAYLOAD_NOTIFY) /* 41 */
+ {
+ ikev2_notify_t *n = ikev2_parse_notify_payload (ikep);
+ if (n->msg_type == IKEV2_NOTIFY_MSG_AUTHENTICATION_FAILED)
+ ikev2_set_state (sa, IKEV2_STATE_AUTH_FAILED);
+ vec_free (n);
+ }
+ else if (payload == IKEV2_PAYLOAD_DELETE) /* 42 */
+ {
+ sa->del = ikev2_parse_delete_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR) /* 43 */
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
else
- {
- clib_warning("unknown payload %u flags %x length %u data %u",
- payload, ikep->flags, plen - 4,
- format_hex_bytes, ikep->payload, plen - 4);
-
- if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL) {
- sa->unsupported_cp = payload;
- return;
- }
- }
+ {
+ clib_warning ("unknown payload %u flags %x length %u data %u",
+ payload, ikep->flags, plen - 4,
+ format_hex_bytes, ikep->payload, plen - 4);
+
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
payload = ikep->nextpayload;
p += plen;
}
cleanup_and_exit:
- vec_free(plaintext);
+ vec_free (plaintext);
}
static void
-ikev2_process_create_child_sa_req(vlib_main_t * vm, ikev2_sa_t *sa, ike_header_t * ike)
+ikev2_process_create_child_sa_req (vlib_main_t * vm, ikev2_sa_t * sa,
+ ike_header_t * ike)
{
int p = 0;
- u32 len = clib_net_to_host_u32(ike->length);
+ u32 len = clib_net_to_host_u32 (ike->length);
u8 payload = ike->nextpayload;
- u8 * plaintext = 0;
+ u8 *plaintext = 0;
u8 rekeying = 0;
u8 i_nonce[IKEV2_NONCE_SIZE];
- ike_payload_header_t * ikep;
+ ike_payload_header_t *ikep;
u32 plen;
- ikev2_notify_t * n = 0;
- ikev2_ts_t * tsi = 0;
- ikev2_ts_t * tsr = 0;
- ikev2_sa_proposal_t * proposal = 0;
- ikev2_child_sa_t * child_sa;
-
- clib_warning("ispi %lx rspi %lx nextpayload %x version %x "
- "exchange %x flags %x msgid %x length %u",
- clib_net_to_host_u64(ike->ispi),
- clib_net_to_host_u64(ike->rspi),
- payload, ike->version,
- ike->exchange, ike->flags,
- clib_net_to_host_u32(ike->msgid),
- len);
-
- plaintext = ikev2_decrypt_sk_payload(sa, ike, &payload);
+ ikev2_notify_t *n = 0;
+ ikev2_ts_t *tsi = 0;
+ ikev2_ts_t *tsr = 0;
+ ikev2_sa_proposal_t *proposal = 0;
+ ikev2_child_sa_t *child_sa;
+
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
+
+ plaintext = ikev2_decrypt_sk_payload (sa, ike, &payload);
if (!plaintext)
goto cleanup_and_exit;
/* process encrypted payload */
p = 0;
- while (p < vec_len(plaintext) && payload != IKEV2_PAYLOAD_NONE)
+ while (p < vec_len (plaintext) && payload != IKEV2_PAYLOAD_NONE)
{
- ikep = (ike_payload_header_t *) &plaintext[p];
- plen = clib_net_to_host_u16(ikep->length);
+ ikep = (ike_payload_header_t *) & plaintext[p];
+ plen = clib_net_to_host_u16 (ikep->length);
- if (plen < sizeof(ike_payload_header_t))
- goto cleanup_and_exit;
+ if (plen < sizeof (ike_payload_header_t))
+ goto cleanup_and_exit;
else if (payload == IKEV2_PAYLOAD_SA)
- {
- proposal = ikev2_parse_sa_payload(ikep);
- }
+ {
+ proposal = ikev2_parse_sa_payload (ikep);
+ }
else if (payload == IKEV2_PAYLOAD_NOTIFY)
- {
- n = ikev2_parse_notify_payload(ikep);
- if (n->msg_type == IKEV2_NOTIFY_MSG_REKEY_SA)
- {
- rekeying = 1;
- }
- }
+ {
+ n = ikev2_parse_notify_payload (ikep);
+ if (n->msg_type == IKEV2_NOTIFY_MSG_REKEY_SA)
+ {
+ rekeying = 1;
+ }
+ }
else if (payload == IKEV2_PAYLOAD_DELETE)
- {
- sa->del = ikev2_parse_delete_payload(ikep);
- }
+ {
+ sa->del = ikev2_parse_delete_payload (ikep);
+ }
else if (payload == IKEV2_PAYLOAD_VENDOR)
- {
- ikev2_parse_vendor_payload(ikep);
- }
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
else if (payload == IKEV2_PAYLOAD_NONCE)
- {
- clib_memcpy(i_nonce, ikep->payload, plen - sizeof(*ikep));
- }
+ {
+ clib_memcpy (i_nonce, ikep->payload, plen - sizeof (*ikep));
+ }
else if (payload == IKEV2_PAYLOAD_TSI)
- {
- tsi = ikev2_parse_ts_payload(ikep);
- }
+ {
+ tsi = ikev2_parse_ts_payload (ikep);
+ }
else if (payload == IKEV2_PAYLOAD_TSR)
- {
- tsr = ikev2_parse_ts_payload(ikep);
- }
+ {
+ tsr = ikev2_parse_ts_payload (ikep);
+ }
else
- {
- clib_warning("unknown payload %u flags %x length %u data %u",
- payload, ikep->flags, plen - 4,
- format_hex_bytes, ikep->payload, plen - 4);
-
- if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL) {
- sa->unsupported_cp = payload;
- return;
- }
- }
+ {
+ clib_warning ("unknown payload %u flags %x length %u data %u",
+ payload, ikep->flags, plen - 4,
+ format_hex_bytes, ikep->payload, plen - 4);
+
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
payload = ikep->nextpayload;
p += plen;
if (rekeying)
{
- ikev2_rekey_t * rekey;
- child_sa = ikev2_sa_get_child(sa, n->spi, n->protocol_id);
+ ikev2_rekey_t *rekey;
+ child_sa = ikev2_sa_get_child (sa, n->spi, n->protocol_id);
if (!child_sa)
- {
- clib_warning("child SA spi %lx not found", n->spi);
- goto cleanup_and_exit;
- }
- vec_add2(sa->rekey, rekey, 1);
+ {
+ clib_warning ("child SA spi %lx not found", n->spi);
+ goto cleanup_and_exit;
+ }
+ vec_add2 (sa->rekey, rekey, 1);
rekey->protocol_id = n->protocol_id;
rekey->spi = n->spi;
rekey->i_proposal = proposal;
- rekey->r_proposal = ikev2_select_proposal(proposal, IKEV2_PROTOCOL_ESP);
+ rekey->r_proposal =
+ ikev2_select_proposal (proposal, IKEV2_PROTOCOL_ESP);
rekey->tsi = tsi;
rekey->tsr = tsr;
/* update Ni */
- vec_free(sa->i_nonce);
- vec_add(sa->i_nonce, i_nonce, IKEV2_NONCE_SIZE);
+ vec_free (sa->i_nonce);
+ vec_add (sa->i_nonce, i_nonce, IKEV2_NONCE_SIZE);
/* generate new Nr */
- vec_free(sa->r_nonce);
- sa->r_nonce = vec_new(u8, IKEV2_NONCE_SIZE);
- RAND_bytes((u8 *) sa->r_nonce, IKEV2_NONCE_SIZE);
+ vec_free (sa->r_nonce);
+ sa->r_nonce = vec_new (u8, IKEV2_NONCE_SIZE);
+ RAND_bytes ((u8 *) sa->r_nonce, IKEV2_NONCE_SIZE);
}
cleanup_and_exit:
- vec_free(plaintext);
- vec_free(n);
+ vec_free (plaintext);
+ vec_free (n);
}
static u8 *
-ikev2_sa_generate_authmsg(ikev2_sa_t *sa, int is_responder)
+ikev2_sa_generate_authmsg (ikev2_sa_t * sa, int is_responder)
{
- u8 * authmsg = 0;
- u8 * data;
- u8 * nonce;
- ikev2_id_t * id;
- u8 * key;
- u8 * packet_data;
- ikev2_sa_transform_t * tr_prf;
+ u8 *authmsg = 0;
+ u8 *data;
+ u8 *nonce;
+ ikev2_id_t *id;
+ u8 *key;
+ u8 *packet_data;
+ ikev2_sa_transform_t *tr_prf;
- tr_prf = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
if (is_responder)
{
packet_data = sa->last_sa_init_req_packet_data;
}
- data = vec_new(u8, 4);
+ data = vec_new (u8, 4);
data[0] = id->type;
- vec_append(data, id->data);
+ vec_append (data, id->data);
- u8 * id_hash = ikev2_calc_prf(tr_prf, key, data);
- vec_append(authmsg, packet_data);
- vec_append(authmsg, nonce);
- vec_append(authmsg, id_hash);
- vec_free(id_hash);
- vec_free(data);
+ u8 *id_hash = ikev2_calc_prf (tr_prf, key, data);
+ vec_append (authmsg, packet_data);
+ vec_append (authmsg, nonce);
+ vec_append (authmsg, id_hash);
+ vec_free (id_hash);
+ vec_free (data);
return authmsg;
}
static int
-ikev2_ts_cmp(ikev2_ts_t * ts1, ikev2_ts_t * ts2)
+ikev2_ts_cmp (ikev2_ts_t * ts1, ikev2_ts_t * ts2)
{
if (ts1->ts_type == ts2->ts_type && ts1->protocol_id == ts2->protocol_id &&
ts1->start_port == ts2->start_port && ts1->end_port == ts2->end_port &&
}
static void
-ikev2_sa_match_ts(ikev2_sa_t *sa)
+ikev2_sa_match_ts (ikev2_sa_t * sa)
{
- ikev2_main_t * km = &ikev2_main;
- ikev2_profile_t * p;
- ikev2_ts_t * ts, * tsi = 0, * tsr = 0;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_profile_t *p;
+ ikev2_ts_t *ts, *tsi = 0, *tsr = 0;
+ /* *INDENT-OFF* */
pool_foreach (p, km->profiles, ({
/* check id */
break;
}));
+ /* *INDENT-ON* */
if (tsi && tsr)
{
- vec_free(sa->childs[0].tsi);
- vec_free(sa->childs[0].tsr);
+ vec_free (sa->childs[0].tsi);
+ vec_free (sa->childs[0].tsr);
sa->childs[0].tsi = tsi;
sa->childs[0].tsr = tsr;
}
else
{
- vec_free(tsi);
- vec_free(tsr);
- ikev2_set_state(sa, IKEV2_STATE_TS_UNACCEPTABLE);
+ vec_free (tsi);
+ vec_free (tsr);
+ ikev2_set_state (sa, IKEV2_STATE_TS_UNACCEPTABLE);
}
}
static void
-ikev2_sa_auth(ikev2_sa_t *sa)
+ikev2_sa_auth (ikev2_sa_t * sa)
{
- ikev2_main_t * km = &ikev2_main;
- ikev2_profile_t * p, * sel_p = 0;
- u8 * authmsg, * key_pad, * psk = 0, * auth = 0;
- ikev2_sa_transform_t * tr_prf;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_profile_t *p, *sel_p = 0;
+ u8 *authmsg, *key_pad, *psk = 0, *auth = 0;
+ ikev2_sa_transform_t *tr_prf;
- tr_prf = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
/* only shared key and rsa signature */
if (!(sa->i_auth.method == IKEV2_AUTH_METHOD_SHARED_KEY_MIC ||
- sa->i_auth.method == IKEV2_AUTH_METHOD_RSA_SIG))
+ sa->i_auth.method == IKEV2_AUTH_METHOD_RSA_SIG))
{
- clib_warning("unsupported authentication method %u", sa->i_auth.method);
- ikev2_set_state(sa, IKEV2_STATE_AUTH_FAILED);
+ clib_warning ("unsupported authentication method %u",
+ sa->i_auth.method);
+ ikev2_set_state (sa, IKEV2_STATE_AUTH_FAILED);
return;
}
- key_pad = format(0, "%s", IKEV2_KEY_PAD);
- authmsg = ikev2_sa_generate_authmsg(sa, 0);
+ key_pad = format (0, "%s", IKEV2_KEY_PAD);
+ authmsg = ikev2_sa_generate_authmsg (sa, 0);
+ /* *INDENT-OFF* */
pool_foreach (p, km->profiles, ({
/* check id */
vec_free(auth);
vec_free(psk);
}));
+ /* *INDENT-ON* */
- vec_free(authmsg);
+ vec_free (authmsg);
if (sa->state == IKEV2_STATE_AUTHENTICATED)
{
- vec_free(sa->r_id.data);
- sa->r_id.data = vec_dup(sel_p->loc_id.data);
+ vec_free (sa->r_id.data);
+ sa->r_id.data = vec_dup (sel_p->loc_id.data);
sa->r_id.type = sel_p->loc_id.type;
/* generate our auth data */
- authmsg = ikev2_sa_generate_authmsg(sa, 1);
+ authmsg = ikev2_sa_generate_authmsg (sa, 1);
if (sel_p->auth.method == IKEV2_AUTH_METHOD_SHARED_KEY_MIC)
- {
- sa->r_auth.data = ikev2_calc_prf(tr_prf, psk, authmsg);
- sa->r_auth.method = IKEV2_AUTH_METHOD_SHARED_KEY_MIC;
- }
+ {
+ sa->r_auth.data = ikev2_calc_prf (tr_prf, psk, authmsg);
+ sa->r_auth.method = IKEV2_AUTH_METHOD_SHARED_KEY_MIC;
+ }
else if (sel_p->auth.method == IKEV2_AUTH_METHOD_RSA_SIG)
- {
- sa->r_auth.data = ikev2_calc_sign(km->pkey, authmsg);
- sa->r_auth.method = IKEV2_AUTH_METHOD_RSA_SIG;
- }
- vec_free(authmsg);
+ {
+ sa->r_auth.data = ikev2_calc_sign (km->pkey, authmsg);
+ sa->r_auth.method = IKEV2_AUTH_METHOD_RSA_SIG;
+ }
+ vec_free (authmsg);
/* select transforms for 1st child sa */
- ikev2_sa_free_proposal_vector(&sa->childs[0].r_proposals);
- sa->childs[0].r_proposals = ikev2_select_proposal(sa->childs[0].i_proposals,
- IKEV2_PROTOCOL_ESP);
+ ikev2_sa_free_proposal_vector (&sa->childs[0].r_proposals);
+ sa->childs[0].r_proposals =
+ ikev2_select_proposal (sa->childs[0].i_proposals, IKEV2_PROTOCOL_ESP);
}
else
{
- ikev2_set_state(sa, IKEV2_STATE_AUTH_FAILED);
+ ikev2_set_state (sa, IKEV2_STATE_AUTH_FAILED);
}
- vec_free(psk);
- vec_free(key_pad);
+ vec_free (psk);
+ vec_free (key_pad);
}
static int
-ikev2_create_tunnel_interface(vnet_main_t * vnm, ikev2_sa_t *sa, ikev2_child_sa_t * child)
+ikev2_create_tunnel_interface (vnet_main_t * vnm, ikev2_sa_t * sa,
+ ikev2_child_sa_t * child)
{
ipsec_add_del_tunnel_args_t a;
- ikev2_sa_transform_t * tr;
- u8 encr_type = 0;
+ ikev2_sa_transform_t *tr;
+ u8 encr_type = 0;
if (!child->r_proposals)
{
- ikev2_set_state(sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
return 1;
}
- memset(&a, 0, sizeof(a));
+ memset (&a, 0, sizeof (a));
a.is_add = 1;
a.local_ip.as_u32 = sa->raddr.as_u32;
a.remote_ip.as_u32 = sa->iaddr.as_u32;
a.remote_spi = child->r_proposals[0].spi;
a.anti_replay = 1;
- tr = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_ESN);
+ tr =
+ ikev2_sa_get_td_for_type (child->r_proposals, IKEV2_TRANSFORM_TYPE_ESN);
if (tr)
- a.esn = tr->esn_type;
+ a.esn = tr->esn_type;
else
a.esn = 0;
- tr = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ tr =
+ ikev2_sa_get_td_for_type (child->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
if (tr)
{
if (tr->encr_type == IKEV2_TRANSFORM_ENCR_TYPE_AES_CBC && tr->key_len)
- {
- switch (tr->key_len)
- {
- case 16:
- encr_type = IPSEC_CRYPTO_ALG_AES_CBC_128;
- break;
- case 24:
- encr_type = IPSEC_CRYPTO_ALG_AES_CBC_192;
- break;
- case 32:
- encr_type = IPSEC_CRYPTO_ALG_AES_CBC_256;
- break;
- default:
- ikev2_set_state(sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
- return 1;
- break;
- }
- }
+ {
+ switch (tr->key_len)
+ {
+ case 16:
+ encr_type = IPSEC_CRYPTO_ALG_AES_CBC_128;
+ break;
+ case 24:
+ encr_type = IPSEC_CRYPTO_ALG_AES_CBC_192;
+ break;
+ case 32:
+ encr_type = IPSEC_CRYPTO_ALG_AES_CBC_256;
+ break;
+ default:
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ break;
+ }
+ }
else
- {
- ikev2_set_state(sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
- return 1;
- }
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ }
}
else
{
- ikev2_set_state(sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
return 1;
}
- tr = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+ tr =
+ ikev2_sa_get_td_for_type (child->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
if (tr)
{
if (tr->integ_type != IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA1_96)
- {
- ikev2_set_state(sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
- return 1;
- }
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ }
}
else
{
- ikev2_set_state(sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
return 1;
}
- ikev2_calc_child_keys(sa, child);
+ ikev2_calc_child_keys (sa, child);
a.integ_alg = IPSEC_INTEG_ALG_SHA1_96;
- a.local_integ_key_len = vec_len(child->sk_ar);
- clib_memcpy(a.local_integ_key, child->sk_ar, a.local_integ_key_len);
- a.remote_integ_key_len = vec_len(child->sk_ai);
- clib_memcpy(a.remote_integ_key, child->sk_ai, a.remote_integ_key_len);
+ a.local_integ_key_len = vec_len (child->sk_ar);
+ clib_memcpy (a.local_integ_key, child->sk_ar, a.local_integ_key_len);
+ a.remote_integ_key_len = vec_len (child->sk_ai);
+ clib_memcpy (a.remote_integ_key, child->sk_ai, a.remote_integ_key_len);
a.crypto_alg = encr_type;
- a.local_crypto_key_len = vec_len(child->sk_er);
- clib_memcpy(a.local_crypto_key, child->sk_er, a.local_crypto_key_len);
- a.remote_crypto_key_len = vec_len(child->sk_ei);
- clib_memcpy(a.remote_crypto_key, child->sk_ei, a.remote_crypto_key_len);
+ a.local_crypto_key_len = vec_len (child->sk_er);
+ clib_memcpy (a.local_crypto_key, child->sk_er, a.local_crypto_key_len);
+ a.remote_crypto_key_len = vec_len (child->sk_ei);
+ clib_memcpy (a.remote_crypto_key, child->sk_ei, a.remote_crypto_key_len);
- ipsec_add_del_tunnel_if(&a);
+ ipsec_add_del_tunnel_if (&a);
return 0;
}
static int
-ikev2_delete_tunnel_interface(vnet_main_t * vnm, ikev2_sa_t *sa, ikev2_child_sa_t * child)
+ikev2_delete_tunnel_interface (vnet_main_t * vnm, ikev2_sa_t * sa,
+ ikev2_child_sa_t * child)
{
ipsec_add_del_tunnel_args_t a;
- if (!vec_len(child->r_proposals))
+ if (!vec_len (child->r_proposals))
return 0;
a.is_add = 0;
a.local_spi = child->i_proposals[0].spi;
a.remote_spi = child->r_proposals[0].spi;
- ipsec_add_del_tunnel_if(&a);
+ ipsec_add_del_tunnel_if (&a);
return 0;
}
static u32
-ikev2_generate_resp(ikev2_sa_t *sa, ike_header_t * ike)
+ikev2_generate_resp (ikev2_sa_t * sa, ike_header_t * ike)
{
- v8 * integ = 0;
- ike_payload_header_t * ph;
+ v8 *integ = 0;
+ ike_payload_header_t *ph;
u16 plen;
u32 tlen = 0;
- ikev2_sa_transform_t * tr_encr, *tr_integ;
- tr_encr = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
- tr_integ = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+ ikev2_sa_transform_t *tr_encr, *tr_integ;
+ tr_encr =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ tr_integ =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
- ikev2_payload_chain_t * chain = 0;
- ikev2_payload_new_chain(chain);
+ ikev2_payload_chain_t *chain = 0;
+ ikev2_payload_new_chain (chain);
if (ike->exchange == IKEV2_EXCHANGE_SA_INIT)
{
if (sa->r_proposals == 0)
- {
- ikev2_payload_add_notify(chain, IKEV2_NOTIFY_MSG_NO_PROPOSAL_CHOSEN, 0);
- ikev2_set_state(sa, IKEV2_STATE_NOTIFY_AND_DELETE);
- }
+ {
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_NO_PROPOSAL_CHOSEN, 0);
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
else if (sa->dh_group == IKEV2_TRANSFORM_DH_TYPE_NONE)
- {
- u8 * data = vec_new(u8, 2);
- ikev2_sa_transform_t * tr_dh;
- tr_dh = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_DH);
- ASSERT(tr_dh && tr_dh->dh_type);
-
- data[0] = (tr_dh->dh_type >> 8) & 0xff;
- data[1] = (tr_dh->dh_type) & 0xff;
-
- ikev2_payload_add_notify(chain, IKEV2_NOTIFY_MSG_INVALID_KE_PAYLOAD, data);
- vec_free(data);
- ikev2_set_state(sa, IKEV2_STATE_NOTIFY_AND_DELETE);
- }
+ {
+ u8 *data = vec_new (u8, 2);
+ ikev2_sa_transform_t *tr_dh;
+ tr_dh =
+ ikev2_sa_get_td_for_type (sa->r_proposals,
+ IKEV2_TRANSFORM_TYPE_DH);
+ ASSERT (tr_dh && tr_dh->dh_type);
+
+ data[0] = (tr_dh->dh_type >> 8) & 0xff;
+ data[1] = (tr_dh->dh_type) & 0xff;
+
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_INVALID_KE_PAYLOAD,
+ data);
+ vec_free (data);
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
else if (sa->state == IKEV2_STATE_NOTIFY_AND_DELETE)
- {
- u8 * data = vec_new(u8, 1);
-
- data[0] = sa->unsupported_cp;
- ikev2_payload_add_notify(chain,
- IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
- data);
- vec_free(data);
- }
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ }
else
- {
- ike->rspi = clib_host_to_net_u64(sa->rspi);
- ikev2_payload_add_sa(chain, sa->r_proposals);
- ikev2_payload_add_ke(chain, sa->dh_group, sa->r_dh_data);
- ikev2_payload_add_nonce(chain, sa->r_nonce);
- }
+ {
+ ike->rspi = clib_host_to_net_u64 (sa->rspi);
+ ikev2_payload_add_sa (chain, sa->r_proposals);
+ ikev2_payload_add_ke (chain, sa->dh_group, sa->r_dh_data);
+ ikev2_payload_add_nonce (chain, sa->r_nonce);
+ }
}
else if (ike->exchange == IKEV2_EXCHANGE_IKE_AUTH)
{
if (sa->state == IKEV2_STATE_AUTHENTICATED)
- {
- ikev2_payload_add_id(chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
- ikev2_payload_add_auth(chain, &sa->r_auth);
- ikev2_payload_add_sa(chain, sa->childs[0].r_proposals);
- ikev2_payload_add_ts(chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
- ikev2_payload_add_ts(chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
- }
+ {
+ ikev2_payload_add_id (chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
+ ikev2_payload_add_auth (chain, &sa->r_auth);
+ ikev2_payload_add_sa (chain, sa->childs[0].r_proposals);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
+ }
else if (sa->state == IKEV2_STATE_AUTH_FAILED)
- {
- ikev2_payload_add_notify(chain, IKEV2_NOTIFY_MSG_AUTHENTICATION_FAILED, 0);
- ikev2_set_state(sa, IKEV2_STATE_NOTIFY_AND_DELETE);
- }
+ {
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_AUTHENTICATION_FAILED,
+ 0);
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
else if (sa->state == IKEV2_STATE_TS_UNACCEPTABLE)
- {
- ikev2_payload_add_notify(chain, IKEV2_NOTIFY_MSG_TS_UNACCEPTABLE, 0);
- ikev2_payload_add_id(chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
- ikev2_payload_add_auth(chain, &sa->r_auth);
- }
+ {
+ ikev2_payload_add_notify (chain, IKEV2_NOTIFY_MSG_TS_UNACCEPTABLE,
+ 0);
+ ikev2_payload_add_id (chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
+ ikev2_payload_add_auth (chain, &sa->r_auth);
+ }
else if (sa->state == IKEV2_STATE_NO_PROPOSAL_CHOSEN)
- {
- ikev2_payload_add_notify(chain, IKEV2_NOTIFY_MSG_NO_PROPOSAL_CHOSEN, 0);
- ikev2_payload_add_id(chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
- ikev2_payload_add_auth(chain, &sa->r_auth);
- ikev2_payload_add_ts(chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
- ikev2_payload_add_ts(chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
- }
+ {
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_NO_PROPOSAL_CHOSEN, 0);
+ ikev2_payload_add_id (chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
+ ikev2_payload_add_auth (chain, &sa->r_auth);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
+ }
else if (sa->state == IKEV2_STATE_NOTIFY_AND_DELETE)
- {
- u8 * data = vec_new(u8, 1);
-
- data[0] = sa->unsupported_cp;
- ikev2_payload_add_notify(chain,
- IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
- data);
- vec_free(data);
- }
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ }
else
- {
- ikev2_set_state(sa, IKEV2_STATE_DELETED);
- goto done;
- }
+ {
+ ikev2_set_state (sa, IKEV2_STATE_DELETED);
+ goto done;
+ }
}
else if (ike->exchange == IKEV2_EXCHANGE_INFORMATIONAL)
{
/* if pending delete */
if (sa->del)
- {
- /* The response to a request that deletes the IKE SA is an empty
- INFORMATIONAL response. */
- if (sa->del[0].protocol_id == IKEV2_PROTOCOL_IKE)
- {
- ikev2_set_state(sa, IKEV2_STATE_NOTIFY_AND_DELETE);
- }
- /* The response to a request that deletes ESP or AH SAs will contain
- delete payloads for the paired SAs going in the other direction. */
- else
- {
- ikev2_payload_add_delete(chain, sa->del);
- }
- vec_free(sa->del);
- sa->del = 0;
- }
+ {
+ /* The response to a request that deletes the IKE SA is an empty
+ INFORMATIONAL response. */
+ if (sa->del[0].protocol_id == IKEV2_PROTOCOL_IKE)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
+ /* The response to a request that deletes ESP or AH SAs will contain
+ delete payloads for the paired SAs going in the other direction. */
+ else
+ {
+ ikev2_payload_add_delete (chain, sa->del);
+ }
+ vec_free (sa->del);
+ sa->del = 0;
+ }
/* received N(AUTHENTICATION_FAILED) */
else if (sa->state == IKEV2_STATE_AUTH_FAILED)
- {
- ikev2_set_state(sa, IKEV2_STATE_DELETED);
- goto done;
- }
+ {
+ ikev2_set_state (sa, IKEV2_STATE_DELETED);
+ goto done;
+ }
/* received unsupported critical payload */
else if (sa->unsupported_cp)
- {
- u8 * data = vec_new(u8, 1);
-
- data[0] = sa->unsupported_cp;
- ikev2_payload_add_notify(chain,
- IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
- data);
- vec_free(data);
- sa->unsupported_cp = 0;
- }
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ sa->unsupported_cp = 0;
+ }
/* else send empty response */
}
else if (ike->exchange == IKEV2_EXCHANGE_CREATE_CHILD_SA)
{
if (sa->rekey)
- {
- ikev2_payload_add_sa(chain, sa->rekey[0].r_proposal);
- ikev2_payload_add_nonce(chain, sa->r_nonce);
- ikev2_payload_add_ts(chain, sa->rekey[0].tsi, IKEV2_PAYLOAD_TSI);
- ikev2_payload_add_ts(chain, sa->rekey[0].tsr, IKEV2_PAYLOAD_TSR);
- vec_del1(sa->rekey, 0);
- }
+ {
+ ikev2_payload_add_sa (chain, sa->rekey[0].r_proposal);
+ ikev2_payload_add_nonce (chain, sa->r_nonce);
+ ikev2_payload_add_ts (chain, sa->rekey[0].tsi, IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->rekey[0].tsr, IKEV2_PAYLOAD_TSR);
+ vec_del1 (sa->rekey, 0);
+ }
else if (sa->unsupported_cp)
- {
- u8 * data = vec_new(u8, 1);
-
- data[0] = sa->unsupported_cp;
- ikev2_payload_add_notify(chain,
- IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
- data);
- vec_free(data);
- sa->unsupported_cp = 0;
- }
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ sa->unsupported_cp = 0;
+ }
else
- {
- ikev2_payload_add_notify(chain, IKEV2_NOTIFY_MSG_NO_ADDITIONAL_SAS, 0);
- }
+ {
+ ikev2_payload_add_notify (chain, IKEV2_NOTIFY_MSG_NO_ADDITIONAL_SAS,
+ 0);
+ }
}
/* IKEv2 header */
ike->version = IKE_VERSION_2;
ike->flags = IKEV2_HDR_FLAG_RESPONSE;
ike->nextpayload = IKEV2_PAYLOAD_SK;
- tlen = sizeof(*ike);
+ tlen = sizeof (*ike);
if (ike->exchange == IKEV2_EXCHANGE_SA_INIT)
{
- tlen += vec_len(chain->data);
+ tlen += vec_len (chain->data);
ike->nextpayload = chain->first_payload_type;
- ike->length = clib_host_to_net_u32(tlen);
- clib_memcpy(ike->payload, chain->data, vec_len(chain->data));
+ ike->length = clib_host_to_net_u32 (tlen);
+ clib_memcpy (ike->payload, chain->data, vec_len (chain->data));
/* store whole IKE payload - needed for PSK auth */
- vec_free(sa->last_sa_init_res_packet_data);
- vec_add(sa->last_sa_init_res_packet_data, ike, tlen);
+ vec_free (sa->last_sa_init_res_packet_data);
+ vec_add (sa->last_sa_init_res_packet_data, ike, tlen);
}
else
{
- ikev2_payload_chain_add_padding(chain, tr_encr->block_size);
+ ikev2_payload_chain_add_padding (chain, tr_encr->block_size);
/* SK payload */
- plen = sizeof(*ph);
- ph = (ike_payload_header_t *) &ike->payload[0];
+ plen = sizeof (*ph);
+ ph = (ike_payload_header_t *) & ike->payload[0];
ph->nextpayload = chain->first_payload_type;
ph->flags = 0;
- int enc_len = ikev2_encrypt_data(sa, chain->data, ph->payload);
+ int enc_len = ikev2_encrypt_data (sa, chain->data, ph->payload);
plen += enc_len;
/* add space for hmac */
tlen += plen;
/* payload and total length */
- ph->length = clib_host_to_net_u16(plen);
- ike->length = clib_host_to_net_u32(tlen);
+ ph->length = clib_host_to_net_u16 (plen);
+ ike->length = clib_host_to_net_u32 (tlen);
/* calc integrity data for whole packet except hash itself */
- integ = ikev2_calc_integr(tr_integ, sa->sk_ar, (u8 *) ike,
- tlen - tr_integ->key_trunc);
+ integ = ikev2_calc_integr (tr_integ, sa->sk_ar, (u8 *) ike,
+ tlen - tr_integ->key_trunc);
- clib_memcpy(ike->payload + tlen - tr_integ->key_trunc - sizeof(*ike),
- integ, tr_integ->key_trunc);
+ clib_memcpy (ike->payload + tlen - tr_integ->key_trunc - sizeof (*ike),
+ integ, tr_integ->key_trunc);
/* store whole IKE payload - needed for retransmit */
- vec_free(sa->last_res_packet_data);
- vec_add(sa->last_res_packet_data, ike, tlen);
+ vec_free (sa->last_res_packet_data);
+ vec_add (sa->last_res_packet_data, ike, tlen);
}
done:
ikev2_payload_destroy_chain (chain);
- vec_free(integ);
+ vec_free (integ);
return tlen;
}
static int
ikev2_retransmit_sa_init (ike_header_t * ike,
- ip4_address_t iaddr,
- ip4_address_t raddr)
+ ip4_address_t iaddr, ip4_address_t raddr)
{
- ikev2_main_t * km = &ikev2_main;
- ikev2_sa_t * sa;
- u32 cpu_index = os_get_cpu_number();
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_sa_t *sa;
+ u32 cpu_index = os_get_cpu_number ();
+ /* *INDENT-OFF* */
pool_foreach (sa, km->per_thread_data[cpu_index].sas, ({
if (sa->ispi == clib_net_to_host_u64(ike->ispi) &&
sa->iaddr.as_u32 == iaddr.as_u32 &&
}
}
}));
+ /* *INDENT-ON* */
/* req is not retransmit */
return 0;
static int
ikev2_retransmit_resp (ikev2_sa_t * sa, ike_header_t * ike)
{
- u32 msg_id = clib_net_to_host_u32(ike->msgid);
+ u32 msg_id = clib_net_to_host_u32 (ike->msgid);
/* new req */
if (msg_id > sa->last_msg_id)
/* retransmitted req */
else if (msg_id == sa->last_msg_id)
{
- ike_header_t * tmp;
- tmp = (ike_header_t*)sa->last_res_packet_data;
+ ike_header_t *tmp;
+ tmp = (ike_header_t *) sa->last_res_packet_data;
ike->ispi = tmp->ispi;
ike->rspi = tmp->rspi;
ike->nextpayload = tmp->nextpayload;
ike->flags = tmp->flags;
ike->msgid = tmp->msgid;
ike->length = tmp->length;
- clib_memcpy(ike->payload, tmp->payload,
- clib_net_to_host_u32(tmp->length) - sizeof(*ike));
- clib_warning("IKE msgid %u retransmit from %U to %U",
- msg_id,
- format_ip4_address, &sa->raddr,
- format_ip4_address, &sa->iaddr);
+ clib_memcpy (ike->payload, tmp->payload,
+ clib_net_to_host_u32 (tmp->length) - sizeof (*ike));
+ clib_warning ("IKE msgid %u retransmit from %U to %U",
+ msg_id,
+ format_ip4_address, &sa->raddr,
+ format_ip4_address, &sa->iaddr);
return 1;
}
/* old req ignore */
else
{
- clib_warning("IKE msgid %u req ignore from %U to %U",
- msg_id,
- format_ip4_address, &sa->raddr,
- format_ip4_address, &sa->iaddr);
+ clib_warning ("IKE msgid %u req ignore from %U to %U",
+ msg_id,
+ format_ip4_address, &sa->raddr,
+ format_ip4_address, &sa->iaddr);
return -1;
}
}
static uword
ikev2_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
ikev2_next_t next_index;
- ikev2_main_t * km = &ikev2_main;
- u32 cpu_index = os_get_cpu_number();
+ ikev2_main_t *km = &ikev2_main;
+ u32 cpu_index = os_get_cpu_number ();
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0 = IKEV2_NEXT_ERROR_DROP;
- u32 sw_if_index0;
- ip4_header_t * ip40;
- udp_header_t * udp0;
- ike_header_t * ike0;
- ikev2_sa_t * sa0 = 0;
- int len = 0;
- int r;
-
- /* speculatively enqueue b0 to the current next frame */
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
- ike0 = vlib_buffer_get_current (b0);
- vlib_buffer_advance(b0, - sizeof(*udp0));
- udp0 = vlib_buffer_get_current (b0);
- vlib_buffer_advance(b0, - sizeof(*ip40));
- ip40 = vlib_buffer_get_current (b0);
-
- if (ike0->version != IKE_VERSION_2)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_NOT_IKEV2, 1);
- goto dispatch0;
- }
-
- if (ike0->exchange == IKEV2_EXCHANGE_SA_INIT)
- {
- ikev2_sa_t sa; /* temporary store for SA */
- sa0 = &sa;
- memset (sa0, 0, sizeof (*sa0));
-
- if (ike0->rspi == 0)
- {
- sa0->raddr.as_u32 = ip40->dst_address.as_u32;
- sa0->iaddr.as_u32 = ip40->src_address.as_u32;
-
- r = ikev2_retransmit_sa_init(ike0, sa0->iaddr, sa0->raddr);
- if (r == 1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_SA_INIT_RETRANSMIT,
- 1);
- len = clib_net_to_host_u32(ike0->length);
- goto dispatch0;
- }
- else if (r == -1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_SA_INIT_IGNORE,
- 1);
- goto dispatch0;
- }
-
- ikev2_process_sa_init_req(vm, sa0, ike0);
-
- if (sa0->state == IKEV2_STATE_SA_INIT)
- {
- ikev2_sa_free_proposal_vector(&sa0->r_proposals);
- sa0->r_proposals = ikev2_select_proposal(sa0->i_proposals,
- IKEV2_PROTOCOL_IKE);
- ikev2_generate_sa_init_data(sa0);
- }
-
- if (sa0->state == IKEV2_STATE_SA_INIT ||
- sa0->state == IKEV2_STATE_NOTIFY_AND_DELETE)
- {
- len = ikev2_generate_resp(sa0, ike0);
- }
-
- if (sa0->state == IKEV2_STATE_SA_INIT)
- {
- /* add SA to the pool */
- pool_get (km->per_thread_data[cpu_index].sas, sa0);
- clib_memcpy(sa0, &sa, sizeof(*sa0));
- hash_set (km->per_thread_data[cpu_index].sa_by_rspi,
- sa0->rspi,
- sa0 - km->per_thread_data[cpu_index].sas);
- }
- else
- {
- ikev2_sa_free_all_vec(sa0);
- }
- }
- }
- else if (ike0->exchange == IKEV2_EXCHANGE_IKE_AUTH)
- {
- uword * p;
- p = hash_get(km->per_thread_data[cpu_index].sa_by_rspi,
- clib_net_to_host_u64(ike0->rspi));
- if (p)
- {
- sa0 = pool_elt_at_index (km->per_thread_data[cpu_index].sas,
- p[0]);
-
- r = ikev2_retransmit_resp(sa0, ike0);
- if (r == 1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_REQ_RETRANSMIT,
- 1);
- len = clib_net_to_host_u32(ike0->length);
- goto dispatch0;
- }
- else if (r == -1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_REQ_IGNORE,
- 1);
- goto dispatch0;
- }
-
- ikev2_process_auth_req(vm, sa0, ike0);
- ikev2_sa_auth(sa0);
- if (sa0->state == IKEV2_STATE_AUTHENTICATED)
- {
- ikev2_initial_contact_cleanup(sa0);
- ikev2_sa_match_ts(sa0);
- if (sa0->state != IKEV2_STATE_TS_UNACCEPTABLE)
- ikev2_create_tunnel_interface(km->vnet_main, sa0,
- &sa0->childs[0]);
- }
- len = ikev2_generate_resp(sa0, ike0);
- }
- }
- else if (ike0->exchange == IKEV2_EXCHANGE_INFORMATIONAL)
- {
- uword * p;
- p = hash_get(km->per_thread_data[cpu_index].sa_by_rspi,
- clib_net_to_host_u64(ike0->rspi));
- if (p)
- {
- sa0 = pool_elt_at_index (km->per_thread_data[cpu_index].sas,
- p[0]);
-
- r = ikev2_retransmit_resp(sa0, ike0);
- if (r == 1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_REQ_RETRANSMIT,
- 1);
- len = clib_net_to_host_u32(ike0->length);
- goto dispatch0;
- }
- else if (r == -1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_REQ_IGNORE,
- 1);
- goto dispatch0;
- }
-
- ikev2_process_informational_req(vm, sa0, ike0);
- if (sa0->del)
- {
- if (sa0->del[0].protocol_id != IKEV2_PROTOCOL_IKE)
- {
- ikev2_delete_t * d, * tmp, * resp = 0;
- vec_foreach(d, sa0->del)
- {
- ikev2_child_sa_t * ch_sa;
- ch_sa = ikev2_sa_get_child(sa0, d->spi,
- d->protocol_id);
- if (ch_sa)
- {
- ikev2_delete_tunnel_interface(km->vnet_main,
- sa0, ch_sa);
- vec_add2(resp, tmp, 1);
- tmp->protocol_id = d->protocol_id;
- tmp->spi = ch_sa->r_proposals[0].spi;
- ikev2_sa_del_child_sa(sa0, ch_sa);
- }
- }
- vec_free(sa0->del);
- sa0->del = resp;
- }
- }
- len = ikev2_generate_resp(sa0, ike0);
- }
- }
- else if (ike0->exchange == IKEV2_EXCHANGE_CREATE_CHILD_SA)
- {
- uword * p;
- p = hash_get(km->per_thread_data[cpu_index].sa_by_rspi,
- clib_net_to_host_u64(ike0->rspi));
- if (p)
- {
- sa0 = pool_elt_at_index (km->per_thread_data[cpu_index].sas,
- p[0]);
-
- r = ikev2_retransmit_resp(sa0, ike0);
- if (r == 1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_REQ_RETRANSMIT,
- 1);
- len = clib_net_to_host_u32(ike0->length);
- goto dispatch0;
- }
- else if (r == -1)
- {
- vlib_node_increment_counter(vm, ikev2_node.index,
- IKEV2_ERROR_IKE_REQ_IGNORE,
- 1);
- goto dispatch0;
- }
-
- ikev2_process_create_child_sa_req(vm, sa0, ike0);
- if (sa0->rekey)
- {
- if (sa0->rekey[0].protocol_id != IKEV2_PROTOCOL_IKE)
- {
- ikev2_child_sa_t * child;
- vec_add2(sa0->childs, child, 1);
- child->r_proposals = sa0->rekey[0].r_proposal;
- child->i_proposals = sa0->rekey[0].i_proposal;
- child->tsi = sa0->rekey[0].tsi;
- child->tsr = sa0->rekey[0].tsr;
- ikev2_create_tunnel_interface(km->vnet_main, sa0,
- child);
- }
- len = ikev2_generate_resp(sa0, ike0);
- }
- }
- }
- else
- {
- clib_warning("IKEv2 exchange %u packet received from %U to %U",
- ike0->exchange,
- format_ip4_address, ip40->src_address.as_u8,
- format_ip4_address, ip40->dst_address.as_u8);
- }
-
-dispatch0:
- /* if we are sending packet back, rewrite headers */
- if (len)
- {
- next0 = IKEV2_NEXT_IP4_LOOKUP;
- ip40->dst_address.as_u32 = sa0->iaddr.as_u32;
- ip40->src_address.as_u32 = sa0->raddr.as_u32;
- udp0->length = clib_host_to_net_u16(len + sizeof(udp_header_t));
- udp0->checksum = 0;
- b0->current_length = len + sizeof(ip4_header_t) + sizeof(udp_header_t);
- ip40->length = clib_host_to_net_u16(b0->current_length);
- ip40->checksum = ip4_header_checksum (ip40);
- }
- /* delete sa */
- if (sa0 && (sa0->state == IKEV2_STATE_DELETED ||
- sa0->state == IKEV2_STATE_NOTIFY_AND_DELETE))
- {
- ikev2_child_sa_t * c;
-
- vec_foreach(c, sa0->childs)
- ikev2_delete_tunnel_interface(km->vnet_main, sa0, c);
-
- ikev2_delete_sa(sa0);
- }
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- ikev2_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->next_index = next0;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
- }
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0 = IKEV2_NEXT_ERROR_DROP;
+ u32 sw_if_index0;
+ ip4_header_t *ip40;
+ udp_header_t *udp0;
+ ike_header_t *ike0;
+ ikev2_sa_t *sa0 = 0;
+ int len = 0;
+ int r;
+
+ /* speculatively enqueue b0 to the current next frame */
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ ike0 = vlib_buffer_get_current (b0);
+ vlib_buffer_advance (b0, -sizeof (*udp0));
+ udp0 = vlib_buffer_get_current (b0);
+ vlib_buffer_advance (b0, -sizeof (*ip40));
+ ip40 = vlib_buffer_get_current (b0);
+
+ if (ike0->version != IKE_VERSION_2)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_NOT_IKEV2, 1);
+ goto dispatch0;
+ }
+
+ if (ike0->exchange == IKEV2_EXCHANGE_SA_INIT)
+ {
+ ikev2_sa_t sa; /* temporary store for SA */
+ sa0 = &sa;
+ memset (sa0, 0, sizeof (*sa0));
+
+ if (ike0->rspi == 0)
+ {
+ sa0->raddr.as_u32 = ip40->dst_address.as_u32;
+ sa0->iaddr.as_u32 = ip40->src_address.as_u32;
+
+ r = ikev2_retransmit_sa_init (ike0, sa0->iaddr, sa0->raddr);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_SA_INIT_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_SA_INIT_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_sa_init_req (vm, sa0, ike0);
+
+ if (sa0->state == IKEV2_STATE_SA_INIT)
+ {
+ ikev2_sa_free_proposal_vector (&sa0->r_proposals);
+ sa0->r_proposals =
+ ikev2_select_proposal (sa0->i_proposals,
+ IKEV2_PROTOCOL_IKE);
+ ikev2_generate_sa_init_data (sa0);
+ }
+
+ if (sa0->state == IKEV2_STATE_SA_INIT ||
+ sa0->state == IKEV2_STATE_NOTIFY_AND_DELETE)
+ {
+ len = ikev2_generate_resp (sa0, ike0);
+ }
+
+ if (sa0->state == IKEV2_STATE_SA_INIT)
+ {
+ /* add SA to the pool */
+ pool_get (km->per_thread_data[cpu_index].sas, sa0);
+ clib_memcpy (sa0, &sa, sizeof (*sa0));
+ hash_set (km->per_thread_data[cpu_index].sa_by_rspi,
+ sa0->rspi,
+ sa0 - km->per_thread_data[cpu_index].sas);
+ }
+ else
+ {
+ ikev2_sa_free_all_vec (sa0);
+ }
+ }
+ }
+ else if (ike0->exchange == IKEV2_EXCHANGE_IKE_AUTH)
+ {
+ uword *p;
+ p = hash_get (km->per_thread_data[cpu_index].sa_by_rspi,
+ clib_net_to_host_u64 (ike0->rspi));
+ if (p)
+ {
+ sa0 = pool_elt_at_index (km->per_thread_data[cpu_index].sas,
+ p[0]);
+
+ r = ikev2_retransmit_resp (sa0, ike0);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_auth_req (vm, sa0, ike0);
+ ikev2_sa_auth (sa0);
+ if (sa0->state == IKEV2_STATE_AUTHENTICATED)
+ {
+ ikev2_initial_contact_cleanup (sa0);
+ ikev2_sa_match_ts (sa0);
+ if (sa0->state != IKEV2_STATE_TS_UNACCEPTABLE)
+ ikev2_create_tunnel_interface (km->vnet_main, sa0,
+ &sa0->childs[0]);
+ }
+ len = ikev2_generate_resp (sa0, ike0);
+ }
+ }
+ else if (ike0->exchange == IKEV2_EXCHANGE_INFORMATIONAL)
+ {
+ uword *p;
+ p = hash_get (km->per_thread_data[cpu_index].sa_by_rspi,
+ clib_net_to_host_u64 (ike0->rspi));
+ if (p)
+ {
+ sa0 = pool_elt_at_index (km->per_thread_data[cpu_index].sas,
+ p[0]);
+
+ r = ikev2_retransmit_resp (sa0, ike0);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_informational_req (vm, sa0, ike0);
+ if (sa0->del)
+ {
+ if (sa0->del[0].protocol_id != IKEV2_PROTOCOL_IKE)
+ {
+ ikev2_delete_t *d, *tmp, *resp = 0;
+ vec_foreach (d, sa0->del)
+ {
+ ikev2_child_sa_t *ch_sa;
+ ch_sa = ikev2_sa_get_child (sa0, d->spi,
+ d->protocol_id);
+ if (ch_sa)
+ {
+ ikev2_delete_tunnel_interface (km->vnet_main,
+ sa0, ch_sa);
+ vec_add2 (resp, tmp, 1);
+ tmp->protocol_id = d->protocol_id;
+ tmp->spi = ch_sa->r_proposals[0].spi;
+ ikev2_sa_del_child_sa (sa0, ch_sa);
+ }
+ }
+ vec_free (sa0->del);
+ sa0->del = resp;
+ }
+ }
+ len = ikev2_generate_resp (sa0, ike0);
+ }
+ }
+ else if (ike0->exchange == IKEV2_EXCHANGE_CREATE_CHILD_SA)
+ {
+ uword *p;
+ p = hash_get (km->per_thread_data[cpu_index].sa_by_rspi,
+ clib_net_to_host_u64 (ike0->rspi));
+ if (p)
+ {
+ sa0 = pool_elt_at_index (km->per_thread_data[cpu_index].sas,
+ p[0]);
+
+ r = ikev2_retransmit_resp (sa0, ike0);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_create_child_sa_req (vm, sa0, ike0);
+ if (sa0->rekey)
+ {
+ if (sa0->rekey[0].protocol_id != IKEV2_PROTOCOL_IKE)
+ {
+ ikev2_child_sa_t *child;
+ vec_add2 (sa0->childs, child, 1);
+ child->r_proposals = sa0->rekey[0].r_proposal;
+ child->i_proposals = sa0->rekey[0].i_proposal;
+ child->tsi = sa0->rekey[0].tsi;
+ child->tsr = sa0->rekey[0].tsr;
+ ikev2_create_tunnel_interface (km->vnet_main, sa0,
+ child);
+ }
+ len = ikev2_generate_resp (sa0, ike0);
+ }
+ }
+ }
+ else
+ {
+ clib_warning ("IKEv2 exchange %u packet received from %U to %U",
+ ike0->exchange,
+ format_ip4_address, ip40->src_address.as_u8,
+ format_ip4_address, ip40->dst_address.as_u8);
+ }
+
+ dispatch0:
+ /* if we are sending packet back, rewrite headers */
+ if (len)
+ {
+ next0 = IKEV2_NEXT_IP4_LOOKUP;
+ ip40->dst_address.as_u32 = sa0->iaddr.as_u32;
+ ip40->src_address.as_u32 = sa0->raddr.as_u32;
+ udp0->length =
+ clib_host_to_net_u16 (len + sizeof (udp_header_t));
+ udp0->checksum = 0;
+ b0->current_length =
+ len + sizeof (ip4_header_t) + sizeof (udp_header_t);
+ ip40->length = clib_host_to_net_u16 (b0->current_length);
+ ip40->checksum = ip4_header_checksum (ip40);
+ }
+ /* delete sa */
+ if (sa0 && (sa0->state == IKEV2_STATE_DELETED ||
+ sa0->state == IKEV2_STATE_NOTIFY_AND_DELETE))
+ {
+ ikev2_child_sa_t *c;
+
+ vec_foreach (c, sa0->childs)
+ ikev2_delete_tunnel_interface (km->vnet_main, sa0, c);
+
+ ikev2_delete_sa (sa0);
+ }
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ikev2_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->next_index = next0;
+ }
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
+ }
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
vlib_node_increment_counter (vm, ikev2_node.index,
- IKEV2_ERROR_PROCESSED, frame->n_vectors);
+ IKEV2_ERROR_PROCESSED, frame->n_vectors);
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ikev2_node,static) = {
.function = ikev2_node_fn,
.name = "ikev2",
[IKEV2_NEXT_ERROR_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
static ikev2_profile_t *
-ikev2_profile_index_by_name(u8 * name)
+ikev2_profile_index_by_name (u8 * name)
{
- ikev2_main_t * km = &ikev2_main;
- uword * p;
+ ikev2_main_t *km = &ikev2_main;
+ uword *p;
p = mhash_get (&km->profile_index_by_name, name);
if (!p)
return 0;
- return pool_elt_at_index(km->profiles, p[0]);
+ return pool_elt_at_index (km->profiles, p[0]);
}
clib_error_t *
-ikev2_set_local_key(vlib_main_t * vm, u8 * file)
+ikev2_set_local_key (vlib_main_t * vm, u8 * file)
{
- ikev2_main_t * km = &ikev2_main;
+ ikev2_main_t *km = &ikev2_main;
- km->pkey = ikev2_load_key_file(file);
+ km->pkey = ikev2_load_key_file (file);
if (km->pkey == NULL)
- return clib_error_return(0, "load key '%s' failed", file);
+ return clib_error_return (0, "load key '%s' failed", file);
return 0;
}
clib_error_t *
-ikev2_add_del_profile(vlib_main_t * vm, u8 * name, int is_add)
+ikev2_add_del_profile (vlib_main_t * vm, u8 * name, int is_add)
{
- ikev2_main_t * km = &ikev2_main;
- ikev2_profile_t * p;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_profile_t *p;
if (is_add)
{
- if (ikev2_profile_index_by_name(name))
- return clib_error_return(0, "policy %v already exists", name);
+ if (ikev2_profile_index_by_name (name))
+ return clib_error_return (0, "policy %v already exists", name);
pool_get (km->profiles, p);
- memset(p, 0, sizeof(*p));
- p->name = vec_dup(name);
+ memset (p, 0, sizeof (*p));
+ p->name = vec_dup (name);
uword index = p - km->profiles;
mhash_set_mem (&km->profile_index_by_name, name, &index, 0);
}
else
{
- p = ikev2_profile_index_by_name(name);
+ p = ikev2_profile_index_by_name (name);
if (!p)
- return clib_error_return(0, "policy %v does not exists", name);
+ return clib_error_return (0, "policy %v does not exists", name);
vec_free (p->name);
pool_put (km->profiles, p);
}
clib_error_t *
-ikev2_set_profile_auth(vlib_main_t * vm, u8 * name, u8 auth_method,
- u8 * auth_data, u8 data_hex_format)
+ikev2_set_profile_auth (vlib_main_t * vm, u8 * name, u8 auth_method,
+ u8 * auth_data, u8 data_hex_format)
{
- ikev2_profile_t * p;
- clib_error_t * r;
+ ikev2_profile_t *p;
+ clib_error_t *r;
- p = ikev2_profile_index_by_name(name);
+ p = ikev2_profile_index_by_name (name);
- if (!p) {
- r = clib_error_return(0, "unknown profile %v", name);
- return r;
- }
- vec_free(p->auth.data);
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+ vec_free (p->auth.data);
p->auth.method = auth_method;
- p->auth.data = vec_dup(auth_data);
+ p->auth.data = vec_dup (auth_data);
p->auth.hex = data_hex_format;
if (auth_method == IKEV2_AUTH_METHOD_RSA_SIG)
{
if (p->auth.key)
- EVP_PKEY_free(p->auth.key);
- p->auth.key = ikev2_load_cert_file(auth_data);
+ EVP_PKEY_free (p->auth.key);
+ p->auth.key = ikev2_load_cert_file (auth_data);
if (p->auth.key == NULL)
- return clib_error_return(0, "load cert '%s' failed", auth_data);
+ return clib_error_return (0, "load cert '%s' failed", auth_data);
}
return 0;
}
clib_error_t *
-ikev2_set_profile_id(vlib_main_t * vm, u8 * name, u8 id_type, u8 * data,
- int is_local)
+ikev2_set_profile_id (vlib_main_t * vm, u8 * name, u8 id_type, u8 * data,
+ int is_local)
{
- ikev2_profile_t * p;
- clib_error_t * r;
+ ikev2_profile_t *p;
+ clib_error_t *r;
- if (id_type > IKEV2_ID_TYPE_ID_RFC822_ADDR && id_type < IKEV2_ID_TYPE_ID_KEY_ID)
+ if (id_type > IKEV2_ID_TYPE_ID_RFC822_ADDR
+ && id_type < IKEV2_ID_TYPE_ID_KEY_ID)
{
- r = clib_error_return(0, "unsupported identity type %U",
- format_ikev2_id_type, id_type);
+ r = clib_error_return (0, "unsupported identity type %U",
+ format_ikev2_id_type, id_type);
return r;
}
- p = ikev2_profile_index_by_name(name);
+ p = ikev2_profile_index_by_name (name);
- if (!p) {
- r = clib_error_return(0, "unknown profile %v", name);
- return r;
- }
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
if (is_local)
{
- vec_free(p->loc_id.data);
+ vec_free (p->loc_id.data);
p->loc_id.type = id_type;
- p->loc_id.data = vec_dup(data);
+ p->loc_id.data = vec_dup (data);
}
else
{
- vec_free(p->rem_id.data);
+ vec_free (p->rem_id.data);
p->rem_id.type = id_type;
- p->rem_id.data = vec_dup(data);
+ p->rem_id.data = vec_dup (data);
}
return 0;
}
clib_error_t *
-ikev2_set_profile_ts(vlib_main_t * vm, u8 * name, u8 protocol_id,
- u16 start_port, u16 end_port, ip4_address_t start_addr,
- ip4_address_t end_addr, int is_local)
+ikev2_set_profile_ts (vlib_main_t * vm, u8 * name, u8 protocol_id,
+ u16 start_port, u16 end_port, ip4_address_t start_addr,
+ ip4_address_t end_addr, int is_local)
{
- ikev2_profile_t * p;
- clib_error_t * r;
+ ikev2_profile_t *p;
+ clib_error_t *r;
- p = ikev2_profile_index_by_name(name);
+ p = ikev2_profile_index_by_name (name);
- if (!p) {
- r = clib_error_return(0, "unknown profile %v", name);
- return r;
- }
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
if (is_local)
{
- p->loc_ts.start_addr.as_u32= start_addr.as_u32;
+ p->loc_ts.start_addr.as_u32 = start_addr.as_u32;
p->loc_ts.end_addr.as_u32 = end_addr.as_u32;
p->loc_ts.start_port = start_port;
p->loc_ts.end_port = end_port;
clib_error_t *
ikev2_init (vlib_main_t * vm)
{
- ikev2_main_t * km = &ikev2_main;
- clib_error_t * error;
- vlib_thread_main_t * tm = vlib_get_thread_main();
+ ikev2_main_t *km = &ikev2_main;
+ clib_error_t *error;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
int thread_id;
memset (km, 0, sizeof (ikev2_main_t));
- km->vnet_main = vnet_get_main();
+ km->vnet_main = vnet_get_main ();
km->vlib_main = vm;
- ikev2_crypto_init(km);
+ ikev2_crypto_init (km);
mhash_init_vec_string (&km->profile_index_by_name, sizeof (uword));
- vec_validate(km->per_thread_data, tm->n_vlib_mains-1);
+ vec_validate (km->per_thread_data, tm->n_vlib_mains - 1);
for (thread_id = 0; thread_id < tm->n_vlib_mains - 1; thread_id++)
{
km->per_thread_data[thread_id].sa_by_rspi =
- hash_create (0, sizeof (uword));
+ hash_create (0, sizeof (uword));
}
if ((error = vlib_call_init_function (vm, ikev2_cli_init)))
}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff