This is the first commit of the hicn projectv19.01

Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>

1 files changed, 211 insertions, 0 deletions

diff --git a/lib/src/protocol/ah.c b/lib/src/protocol/ah.c
new file mode 100755
index 000000000..f9ddf7775
--- /dev/null
+++ b/lib/src/protocol/ah.c
@@ -0,0 +1,211 @@
+/*
+ * Copyright (c) 2017-2019 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.
+ */
+
+/**
+ * @file protocol/ah.c
+ * @brief hICN operations for AH header
+ */
+
+#include <string.h>		// memcpy
+#include "../common.h"
+#include "../error.h"
+#include "../header.h"
+#include "../ops.h"
+#include "ah.h"
+
+DECLARE_get_interest_locator (ah, UNEXPECTED);
+DECLARE_set_interest_locator (ah, UNEXPECTED);
+DECLARE_get_interest_name (ah, UNEXPECTED);
+DECLARE_set_interest_name (ah, UNEXPECTED);
+DECLARE_get_interest_name_suffix (ah, UNEXPECTED);
+DECLARE_set_interest_name_suffix (ah, UNEXPECTED);
+DECLARE_get_data_locator (ah, UNEXPECTED);
+DECLARE_set_data_locator (ah, UNEXPECTED);
+DECLARE_get_data_name (ah, UNEXPECTED);
+DECLARE_set_data_name (ah, UNEXPECTED);
+DECLARE_get_data_name_suffix (ah, UNEXPECTED);
+DECLARE_set_data_name_suffix (ah, UNEXPECTED);
+DECLARE_get_data_pathlabel (ah, UNEXPECTED);
+DECLARE_set_data_pathlabel (ah, UNEXPECTED);
+DECLARE_update_data_pathlabel (ah, UNEXPECTED);
+DECLARE_get_lifetime (ah, UNEXPECTED);
+DECLARE_set_lifetime (ah, UNEXPECTED);
+DECLARE_get_payload_length (ah, UNEXPECTED);
+DECLARE_set_payload_length (ah, UNEXPECTED);
+
+int
+ah_init_packet_header (hicn_type_t type, hicn_protocol_t * h)
+{
+  return HICN_LIB_ERROR_NOT_IMPLEMENTED;
+}
+
+int
+ah_reset_interest_for_hash (hicn_type_t type, hicn_protocol_t * h)
+{
+  size_t signature_size;
+  int rc =
+    hicn_ops_vft[type.l1]->get_signature_size (type, h, &signature_size);
+  if (rc < 0)
+    return rc;
+  memset (&(h->ah.validationPayload), 0, signature_size);
+  return CHILD_OPS (reset_interest_for_hash, type, h);
+}
+
+int
+ah_reset_data_for_hash (hicn_type_t type, hicn_protocol_t * h)
+{
+  size_t signature_size;
+  int rc =
+    hicn_ops_vft[type.l1]->get_signature_size (type, h, &signature_size);
+  if (rc < 0)
+    return rc;
+  memset (&(h->ah.validationPayload), 0, signature_size);
+  return CHILD_OPS (reset_interest_for_hash, type, h);
+}
+
+int
+ah_update_checksums (hicn_type_t type, hicn_protocol_t * h, u16 partial_csum,
+		     size_t payload_length)
+{
+  /* Nothing to do as there is no checksum in AH */
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_verify_checksums (hicn_type_t type, hicn_protocol_t * h, u16 partial_csum,
+		     size_t payload_length)
+{
+  /* Nothing to do as there is no checksum in AH */
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_rewrite_interest (hicn_type_t type, hicn_protocol_t * h,
+		     const ip46_address_t * addr_new,
+		     ip46_address_t * addr_old)
+{
+  /* Nothing to do on signature */
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_rewrite_data (hicn_type_t type, hicn_protocol_t * h,
+		 const ip46_address_t * addr_new, ip46_address_t * addr_old,
+		 const hicn_faceid_t face_id)
+{
+  /* Nothing to do on signature */
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_get_length (hicn_type_t type, const hicn_protocol_t * h, size_t * length)
+{
+  return HICN_LIB_ERROR_NOT_IMPLEMENTED;
+}
+
+int
+ah_get_current_header_length (hicn_type_t type, const hicn_protocol_t * h,
+			      size_t * header_length)
+{
+  *header_length = AH_HDRLEN + (h->ah.payloadlen << 2);
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_get_header_length (hicn_type_t type, const hicn_protocol_t * h,
+		      size_t * header_length)
+{
+  size_t child_header_length = 0;
+  int rc = CHILD_OPS (get_header_length, type, h, &child_header_length);
+  if (rc < 0)
+    return rc;
+  *header_length = AH_HDRLEN + (h->ah.payloadlen << 2) + child_header_length;
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_get_signature_size (hicn_type_t type, const hicn_protocol_t * h,
+		       size_t * signature_size)
+{
+  *signature_size = h->ah.payloadlen << 2;
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_set_signature_size (hicn_type_t type, hicn_protocol_t * h,
+		       const size_t signature_size)
+{
+  h->ah.payloadlen = signature_size >> 2;
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_set_signature_timestamp(hicn_type_t type, hicn_protocol_t * h,
+       uint64_t signature_timestamp)
+{
+  h->ah.timestamp_as_u64 = signature_timestamp;
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_get_signature_timestamp (hicn_type_t type, const hicn_protocol_t * h,
+       uint64_t * signature_timestamp)
+{
+  *signature_timestamp = h->ah.timestamp_as_u64;
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_set_validation_algorithm (hicn_type_t type, hicn_protocol_t * h,
+       uint8_t validation_algorithm)
+{
+  h->ah.validationAlgorithm = validation_algorithm;
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_get_validation_algorithm (hicn_type_t type, const hicn_protocol_t * h,
+       uint8_t * validation_algorithm)
+{
+  *validation_algorithm = h->ah.validationAlgorithm;
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_set_key_id (hicn_type_t type, hicn_protocol_t * h,
+       uint8_t *key_id)
+{
+  memcpy(h->ah.keyId, key_id, sizeof(h->ah.keyId));
+  return HICN_LIB_ERROR_NONE;
+}
+
+int
+ah_get_key_id (hicn_type_t type, hicn_protocol_t * h,
+       uint8_t **key_id, uint8_t *key_id_size)
+{
+  *key_id = h->ah.keyId;
+  *key_id_size = sizeof(h->ah.keyId);
+  return HICN_LIB_ERROR_NONE;
+}
+
+DECLARE_HICN_OPS (ah);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */