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/*
*
* Copyright 2018 gRPC authors.
*
* 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 <grpc/support/port_platform.h>
#include "src/core/tsi/alts/handshaker/alts_handshaker_service_api_util.h"
void add_repeated_field(repeated_field** head, const void* data) {
repeated_field* field =
static_cast<repeated_field*>(gpr_zalloc(sizeof(*field)));
field->data = data;
if (*head == nullptr) {
*head = field;
(*head)->next = nullptr;
} else {
field->next = *head;
*head = field;
}
}
void destroy_repeated_field_list_identity(repeated_field* head) {
repeated_field* field = head;
while (field != nullptr) {
repeated_field* next_field = field->next;
const grpc_gcp_identity* identity =
static_cast<const grpc_gcp_identity*>(field->data);
destroy_slice(static_cast<grpc_slice*>(identity->hostname.arg));
destroy_slice(static_cast<grpc_slice*>(identity->service_account.arg));
gpr_free((void*)identity);
gpr_free(field);
field = next_field;
}
}
void destroy_repeated_field_list_string(repeated_field* head) {
repeated_field* field = head;
while (field != nullptr) {
repeated_field* next_field = field->next;
destroy_slice((grpc_slice*)field->data);
gpr_free(field);
field = next_field;
}
}
grpc_slice* create_slice(const char* data, size_t size) {
grpc_slice slice = grpc_slice_from_copied_buffer(data, size);
grpc_slice* cb_slice =
static_cast<grpc_slice*>(gpr_zalloc(sizeof(*cb_slice)));
memcpy(cb_slice, &slice, sizeof(*cb_slice));
return cb_slice;
}
void destroy_slice(grpc_slice* slice) {
if (slice != nullptr) {
grpc_slice_unref(*slice);
gpr_free(slice);
}
}
bool encode_string_or_bytes_cb(pb_ostream_t* stream, const pb_field_t* field,
void* const* arg) {
grpc_slice* slice = static_cast<grpc_slice*>(*arg);
if (!pb_encode_tag_for_field(stream, field)) return false;
return pb_encode_string(stream, GRPC_SLICE_START_PTR(*slice),
GRPC_SLICE_LENGTH(*slice));
}
bool encode_repeated_identity_cb(pb_ostream_t* stream, const pb_field_t* field,
void* const* arg) {
repeated_field* var = static_cast<repeated_field*>(*arg);
while (var != nullptr) {
if (!pb_encode_tag_for_field(stream, field)) return false;
if (!pb_encode_submessage(stream, grpc_gcp_Identity_fields,
(grpc_gcp_identity*)var->data))
return false;
var = var->next;
}
return true;
}
bool encode_repeated_string_cb(pb_ostream_t* stream, const pb_field_t* field,
void* const* arg) {
repeated_field* var = static_cast<repeated_field*>(*arg);
while (var != nullptr) {
if (!pb_encode_tag_for_field(stream, field)) return false;
const grpc_slice* slice = static_cast<const grpc_slice*>(var->data);
if (!pb_encode_string(stream, GRPC_SLICE_START_PTR(*slice),
GRPC_SLICE_LENGTH(*slice)))
return false;
var = var->next;
}
return true;
}
bool decode_string_or_bytes_cb(pb_istream_t* stream, const pb_field_t* field,
void** arg) {
grpc_slice slice = grpc_slice_malloc(stream->bytes_left);
grpc_slice* cb_slice =
static_cast<grpc_slice*>(gpr_zalloc(sizeof(*cb_slice)));
memcpy(cb_slice, &slice, sizeof(*cb_slice));
if (!pb_read(stream, GRPC_SLICE_START_PTR(*cb_slice), stream->bytes_left))
return false;
*arg = cb_slice;
return true;
}
bool decode_repeated_identity_cb(pb_istream_t* stream, const pb_field_t* field,
void** arg) {
grpc_gcp_identity* identity =
static_cast<grpc_gcp_identity*>(gpr_zalloc(sizeof(*identity)));
identity->hostname.funcs.decode = decode_string_or_bytes_cb;
identity->service_account.funcs.decode = decode_string_or_bytes_cb;
add_repeated_field(reinterpret_cast<repeated_field**>(arg), identity);
if (!pb_decode(stream, grpc_gcp_Identity_fields, identity)) return false;
return true;
}
bool decode_repeated_string_cb(pb_istream_t* stream, const pb_field_t* field,
void** arg) {
grpc_slice slice = grpc_slice_malloc(stream->bytes_left);
grpc_slice* cb_slice =
static_cast<grpc_slice*>(gpr_zalloc(sizeof(*cb_slice)));
memcpy(cb_slice, &slice, sizeof(grpc_slice));
if (!pb_read(stream, GRPC_SLICE_START_PTR(*cb_slice), stream->bytes_left))
return false;
add_repeated_field(reinterpret_cast<repeated_field**>(arg), cb_slice);
return true;
}
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