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Diffstat (limited to 'src/vnet/ipsec/ikev2_payload.c')
-rw-r--r--src/vnet/ipsec/ikev2_payload.c550
1 files changed, 0 insertions, 550 deletions
diff --git a/src/vnet/ipsec/ikev2_payload.c b/src/vnet/ipsec/ikev2_payload.c
deleted file mode 100644
index 3aae6d3a1f4..00000000000
--- a/src/vnet/ipsec/ikev2_payload.c
+++ /dev/null
@@ -1,550 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ctype.h>
-
-#include <vnet/vnet.h>
-#include <vnet/api_errno.h>
-#include <vnet/ip/ip.h>
-#include <vnet/interface.h>
-
-#include <vnet/ipsec/ipsec.h>
-#include <vnet/ipsec/ikev2.h>
-#include <vnet/ipsec/ikev2_priv.h>
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct
- {
- u8 nextpayload;
- u8 flags;
- u16 length;
- u8 protocol_id;
- u8 spi_size;
- u16 msg_type;
- u8 payload[0];}) ike_notify_payload_header_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct
- {
- u8 ts_type;
- u8 protocol_id;
- u16 selector_len;
- u16 start_port;
- u16 end_port;
- ip4_address_t start_addr;
- ip4_address_t end_addr;}) ikev2_ts_payload_entry_t;
-/* *INDENT-OFF* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct
- {
- u8 nextpayload;
- u8 flags;
- u16 length;
- u8 num_ts;
- u8 reserved[3];
- ikev2_ts_payload_entry_t ts[0];})
- ike_ts_payload_header_t;
-/* *INDENT-OFF* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- u8 last_or_more;
- u8 reserved;
- u16 proposal_len;
- u8 proposal_num;
- u8 protocol_id;
- u8 spi_size;
- u8 num_transforms; u32 spi[0];
-}) ike_sa_proposal_data_t;
-/* *INDENT-OFF* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- u8 last_or_more;
- u8 reserved;
- u16 transform_len;
- u8 transform_type;
- u8 reserved2;
- u16 transform_id;
- u8 attributes[0];
-}) ike_sa_transform_data_t;
-/* *INDENT-OFF* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- u8 nextpayload;
- u8 flags;
- u16 length;
- u8 protocol_id;
- u8 spi_size;
- u16 num_of_spi;
- u32 spi[0];
-}) ike_delete_payload_header_t;
-/* *INDENT-OFF* */
-
-static ike_payload_header_t *
-ikev2_payload_add_hdr (ikev2_payload_chain_t * c, u8 payload_type, int len)
-{
- ike_payload_header_t *hdr =
- (ike_payload_header_t *) & c->data[c->last_hdr_off];
- u8 *tmp;
-
- if (c->data)
- hdr->nextpayload = payload_type;
- else
- c->first_payload_type = payload_type;
-
- c->last_hdr_off = vec_len (c->data);
- vec_add2 (c->data, tmp, len);
- hdr = (ike_payload_header_t *) tmp;
- clib_memset (hdr, 0, len);
-
- hdr->length = clib_host_to_net_u16 (len);
-
- return hdr;
-}
-
-static void
-ikev2_payload_add_data (ikev2_payload_chain_t * c, u8 * data)
-{
- u16 len;
- ike_payload_header_t *hdr;
-
- vec_append (c->data, data);
- hdr = (ike_payload_header_t *) & c->data[c->last_hdr_off];
- len = clib_net_to_host_u16 (hdr->length);
- hdr->length = clib_host_to_net_u16 (len + vec_len (data));
-}
-
-void
-ikev2_payload_add_notify (ikev2_payload_chain_t * c, u16 msg_type, u8 * data)
-{
- ikev2_payload_add_notify_2(c, msg_type, data, 0);
-}
-
-void
-ikev2_payload_add_notify_2 (ikev2_payload_chain_t * c, u16 msg_type,
- u8 * data, ikev2_notify_t * notify)
-{
- ike_notify_payload_header_t *n;
-
- n =
- (ike_notify_payload_header_t *) ikev2_payload_add_hdr (c,
- IKEV2_PAYLOAD_NOTIFY,
- sizeof (*n));
- n->msg_type = clib_host_to_net_u16 (msg_type);
- if (notify)
- {
- n->protocol_id = notify->protocol_id;
- if (notify->spi)
- {
- n->spi_size = 4;
- }
- }
- ikev2_payload_add_data (c, data);
-}
-
-void
-ikev2_payload_add_sa (ikev2_payload_chain_t * c,
- ikev2_sa_proposal_t * proposals)
-{
- ike_payload_header_t *ph;
- ike_sa_proposal_data_t *prop;
- ike_sa_transform_data_t *tr;
- ikev2_sa_proposal_t *p;
- ikev2_sa_transform_t *t;
-
- u8 *tmp;
- u8 *pr_data = 0;
- u8 *tr_data = 0;
-
- ikev2_payload_add_hdr (c, IKEV2_PAYLOAD_SA, sizeof (*ph));
-
- vec_foreach (p, proposals)
- {
- int spi_size = (p->protocol_id == IKEV2_PROTOCOL_ESP) ? 4 : 0;
- pr_data = vec_new (u8, sizeof (ike_sa_proposal_data_t) + spi_size);
- prop = (ike_sa_proposal_data_t *) pr_data;
- prop->last_or_more = proposals - p + 1 < vec_len (proposals) ? 2 : 0;
- prop->protocol_id = p->protocol_id;
- prop->proposal_num = p->proposal_num;
- prop->spi_size = spi_size;
- prop->num_transforms = vec_len (p->transforms);
-
- if (spi_size)
- prop->spi[0] = clib_host_to_net_u32 (p->spi);
-
- DBG_PLD ("proposal num %u protocol_id %u last_or_more %u spi_size %u%s%U",
- prop->proposal_num, prop->protocol_id, prop->last_or_more,
- prop->spi_size, prop->spi_size ? " spi_data " : "",
- format_hex_bytes, prop->spi, prop->spi_size);
-
- vec_foreach (t, p->transforms)
- {
- vec_add2 (tr_data, tmp, sizeof (*tr) + vec_len (t->attrs));
- tr = (ike_sa_transform_data_t *) tmp;
- tr->last_or_more =
- ((t - p->transforms) + 1 < vec_len (p->transforms)) ? 3 : 0;
- tr->transform_type = t->type;
- tr->transform_id = clib_host_to_net_u16 (t->transform_id);
- tr->transform_len =
- clib_host_to_net_u16 (sizeof (*tr) + vec_len (t->attrs));
-
- if (vec_len (t->attrs) > 0)
- clib_memcpy_fast (tr->attributes, t->attrs, vec_len (t->attrs));
-
- DBG_PLD
- ("transform type %U transform_id %u last_or_more %u attr_size %u%s%U",
- format_ikev2_transform_type, tr->transform_type, t->transform_id,
- tr->last_or_more, vec_len (t->attrs),
- vec_len (t->attrs) ? " attrs " : "", format_hex_bytes,
- tr->attributes, vec_len (t->attrs));
- }
-
- prop->proposal_len =
- clib_host_to_net_u16 (vec_len (tr_data) + vec_len (pr_data));
- ikev2_payload_add_data (c, pr_data);
- ikev2_payload_add_data (c, tr_data);
- vec_free (pr_data);
- vec_free (tr_data);
- }
-}
-
-void
-ikev2_payload_add_ke (ikev2_payload_chain_t * c, u16 dh_group, u8 * dh_data)
-{
- ike_ke_payload_header_t *ke;
- ke = (ike_ke_payload_header_t *) ikev2_payload_add_hdr (c, IKEV2_PAYLOAD_KE,
- sizeof (*ke));
-
- ke->dh_group = clib_host_to_net_u16 (dh_group);
- ikev2_payload_add_data (c, dh_data);
-}
-
-void
-ikev2_payload_add_nonce (ikev2_payload_chain_t * c, u8 * nonce)
-{
- ikev2_payload_add_hdr (c, IKEV2_PAYLOAD_NONCE,
- sizeof (ike_payload_header_t));
- ikev2_payload_add_data (c, nonce);
-}
-
-void
-ikev2_payload_add_id (ikev2_payload_chain_t * c, ikev2_id_t * id, u8 type)
-{
- ike_id_payload_header_t *idp;
- idp =
- (ike_id_payload_header_t *) ikev2_payload_add_hdr (c, type,
- sizeof (*idp));
-
- idp->id_type = id->type;
- ikev2_payload_add_data (c, id->data);
-}
-
-void
-ikev2_payload_add_delete (ikev2_payload_chain_t * c, ikev2_delete_t * d)
-{
- ike_delete_payload_header_t *dp;
- u16 num_of_spi = vec_len (d);
- ikev2_delete_t *d2;
- dp =
- (ike_delete_payload_header_t *) ikev2_payload_add_hdr (c,
- IKEV2_PAYLOAD_DELETE,
- sizeof (*dp));
-
- if (d[0].protocol_id == IKEV2_PROTOCOL_IKE)
- {
- dp->protocol_id = 1;
- }
- else
- {
- dp->protocol_id = d[0].protocol_id;
- dp->spi_size = 4;
- dp->num_of_spi = clib_host_to_net_u16 (num_of_spi);
- vec_foreach (d2, d)
- {
- u8 *data = vec_new (u8, 4);
- u32 spi = clib_host_to_net_u32 (d2->spi);
- clib_memcpy (data, &spi, 4);
- ikev2_payload_add_data (c, data);
- vec_free (data);
- }
- }
-}
-
-void
-ikev2_payload_add_auth (ikev2_payload_chain_t * c, ikev2_auth_t * auth)
-{
- ike_auth_payload_header_t *ap;
- ap =
- (ike_auth_payload_header_t *) ikev2_payload_add_hdr (c,
- IKEV2_PAYLOAD_AUTH,
- sizeof (*ap));
-
- ap->auth_method = auth->method;
- ikev2_payload_add_data (c, auth->data);
-}
-
-void
-ikev2_payload_add_ts (ikev2_payload_chain_t * c, ikev2_ts_t * ts, u8 type)
-{
- ike_ts_payload_header_t *tsh;
- ikev2_ts_t *ts2;
- u8 *data = 0, *tmp;
-
- tsh =
- (ike_ts_payload_header_t *) ikev2_payload_add_hdr (c, type,
- sizeof (*tsh));
- tsh->num_ts = vec_len (ts);
-
- vec_foreach (ts2, ts)
- {
- ASSERT (ts2->ts_type == 7); /*TS_IPV4_ADDR_RANGE */
- ikev2_ts_payload_entry_t *entry;
- vec_add2 (data, tmp, sizeof (*entry));
- entry = (ikev2_ts_payload_entry_t *) tmp;
- entry->ts_type = ts2->ts_type;
- entry->protocol_id = ts2->protocol_id;
- entry->selector_len = clib_host_to_net_u16 (16);
- entry->start_port = clib_host_to_net_u16 (ts2->start_port);
- entry->end_port = clib_host_to_net_u16 (ts2->end_port);
- entry->start_addr.as_u32 = ts2->start_addr.as_u32;
- entry->end_addr.as_u32 = ts2->end_addr.as_u32;
- }
-
- ikev2_payload_add_data (c, data);
- vec_free (data);
-}
-
-void
-ikev2_payload_chain_add_padding (ikev2_payload_chain_t * c, int bs)
-{
- u8 *tmp __attribute__ ((unused));
- u8 pad_len = (vec_len (c->data) / bs + 1) * bs - vec_len (c->data);
- vec_add2 (c->data, tmp, pad_len);
- c->data[vec_len (c->data) - 1] = pad_len - 1;
-}
-
-ikev2_sa_proposal_t *
-ikev2_parse_sa_payload (ike_payload_header_t * ikep)
-{
- ikev2_sa_proposal_t *v = 0;
- ikev2_sa_proposal_t *proposal;
- ikev2_sa_transform_t *transform;
-
- u32 plen = clib_net_to_host_u16 (ikep->length);
-
- ike_sa_proposal_data_t *sap;
- int proposal_ptr = 0;
-
- do
- {
- sap = (ike_sa_proposal_data_t *) & ikep->payload[proposal_ptr];
- int i;
- int transform_ptr;
-
- DBG_PLD ("proposal num %u len %u last_or_more %u id %u "
- "spi_size %u num_transforms %u",
- sap->proposal_num, clib_net_to_host_u16 (sap->proposal_len),
- sap->last_or_more, sap->protocol_id, sap->spi_size,
- sap->num_transforms);
-
- /* IKE proposal should not have SPI */
- if (sap->protocol_id == IKEV2_PROTOCOL_IKE && sap->spi_size != 0)
- goto data_corrupted;
-
- /* IKE proposal should not have SPI */
- if (sap->protocol_id == IKEV2_PROTOCOL_ESP && sap->spi_size != 4)
- goto data_corrupted;
-
- transform_ptr = proposal_ptr + sizeof (*sap) + sap->spi_size;
-
- vec_add2 (v, proposal, 1);
- proposal->proposal_num = sap->proposal_num;
- proposal->protocol_id = sap->protocol_id;
-
- if (sap->spi_size == 4)
- {
- proposal->spi = clib_net_to_host_u32 (sap->spi[0]);
- }
-
- for (i = 0; i < sap->num_transforms; i++)
- {
- ike_sa_transform_data_t *tr =
- (ike_sa_transform_data_t *) & ikep->payload[transform_ptr];
- u16 tlen = clib_net_to_host_u16 (tr->transform_len);
-
- if (tlen < sizeof (*tr))
- goto data_corrupted;
-
- vec_add2 (proposal->transforms, transform, 1);
-
- transform->type = tr->transform_type;
- transform->transform_id = clib_net_to_host_u16 (tr->transform_id);
- if (tlen > sizeof (*tr))
- vec_add (transform->attrs, tr->attributes, tlen - sizeof (*tr));
-
- DBG_PLD
- ("transform num %u len %u last_or_more %u type %U id %u%s%U", i,
- tlen, tr->last_or_more, format_ikev2_sa_transform, transform,
- clib_net_to_host_u16 (tr->transform_id),
- tlen > sizeof (*tr) ? " attrs " : "", format_hex_bytes,
- tr->attributes, tlen - sizeof (*tr));
-
- transform_ptr += tlen;
- }
-
- proposal_ptr += clib_net_to_host_u16 (sap->proposal_len);
- }
- while (proposal_ptr < (plen - sizeof (*ikep)) && sap->last_or_more == 2);
-
- /* data validation */
- if (proposal_ptr != (plen - sizeof (*ikep)) || sap->last_or_more)
- goto data_corrupted;
-
- return v;
-
-data_corrupted:
- DBG_PLD ("SA payload data corrupted");
- ikev2_sa_free_proposal_vector (&v);
- return 0;
-}
-
-ikev2_ts_t *
-ikev2_parse_ts_payload (ike_payload_header_t * ikep)
-{
- ike_ts_payload_header_t *tsp = (ike_ts_payload_header_t *) ikep;
- ikev2_ts_t *r = 0, *ts;
- u8 i;
-
- for (i = 0; i < tsp->num_ts; i++)
- {
- if (tsp->ts[i].ts_type != 7) /* TS_IPV4_ADDR_RANGE */
- {
- DBG_PLD ("unsupported TS type received (%u)", tsp->ts[i].ts_type);
- continue;
- }
-
- vec_add2 (r, ts, 1);
- ts->ts_type = tsp->ts[i].ts_type;
- ts->protocol_id = tsp->ts[i].protocol_id;
- ts->start_port = tsp->ts[i].start_port;
- ts->end_port = tsp->ts[i].end_port;
- ts->start_addr.as_u32 = tsp->ts[i].start_addr.as_u32;
- ts->end_addr.as_u32 = tsp->ts[i].end_addr.as_u32;
- }
- return r;
-}
-
-ikev2_notify_t *
-ikev2_parse_notify_payload (ike_payload_header_t * ikep)
-{
- ike_notify_payload_header_t *n = (ike_notify_payload_header_t *) ikep;
- u32 plen = clib_net_to_host_u16 (ikep->length);
- ikev2_notify_t *r = 0;
- u32 spi;
-
- DBG_PLD ("msg_type %U len %u%s%U",
- format_ikev2_notify_msg_type, clib_net_to_host_u16 (n->msg_type),
- plen, plen > sizeof (*n) ? " data " : "",
- format_hex_bytes, n->payload, plen - sizeof (*n));
-
- r = vec_new (ikev2_notify_t, 1);
- r->msg_type = clib_net_to_host_u16 (n->msg_type);
- r->protocol_id = n->protocol_id;
-
- if (n->spi_size == 4)
- {
- clib_memcpy (&spi, n->payload, n->spi_size);
- r->spi = clib_net_to_host_u32 (spi);
- DBG_PLD ("spi %lx", r->spi);
- }
- else if (n->spi_size == 0)
- {
- r->spi = 0;
- }
- else
- {
- clib_warning ("invalid SPI Size %d", n->spi_size);
- }
-
- if (plen > (sizeof (*n) + n->spi_size))
- {
- vec_add (r->data, n->payload + n->spi_size,
- plen - sizeof (*n) - n->spi_size);
- }
-
- return r;
-}
-
-void
-ikev2_parse_vendor_payload (ike_payload_header_t * ikep)
-{
- u32 plen = clib_net_to_host_u16 (ikep->length);
- int i;
- int is_string = 1;
-
- for (i = 0; i < plen - 4; i++)
- if (!isprint (ikep->payload[i]))
- is_string = 0;
-
- DBG_PLD ("len %u data %s:%U",
- plen,
- is_string ? "string" : "hex",
- is_string ? format_ascii_bytes : format_hex_bytes,
- ikep->payload, plen - sizeof (*ikep));
-}
-
-ikev2_delete_t *
-ikev2_parse_delete_payload (ike_payload_header_t * ikep)
-{
- ike_delete_payload_header_t *d = (ike_delete_payload_header_t *) ikep;
- u32 plen = clib_net_to_host_u16 (ikep->length);
- ikev2_delete_t *r = 0, *del;
- u16 num_of_spi = clib_net_to_host_u16 (d->num_of_spi);
- u16 i = 0;
-
- DBG_PLD ("protocol_id %u spi_size %u num_of_spi %u len %u%s%U",
- d->protocol_id, d->spi_size, num_of_spi,
- plen, plen > sizeof (d) ? " data " : "",
- format_hex_bytes, d->spi, plen - sizeof (*d));
-
- if (d->protocol_id == IKEV2_PROTOCOL_IKE)
- {
- r = vec_new (ikev2_delete_t, 1);
- r->protocol_id = 1;
- }
- else
- {
- r = vec_new (ikev2_delete_t, num_of_spi);
- vec_foreach (del, r)
- {
- del->protocol_id = d->protocol_id;
- del->spi = clib_net_to_host_u32 (d->spi[i++]);
- }
- }
-
- return r;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */