| /* |
| * |
| * Copyright 2017 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 "src/core/tsi/transport_security_grpc.h" |
| |
| /* This method creates a tsi_zero_copy_grpc_protector object. */ |
| tsi_result tsi_handshaker_result_create_zero_copy_grpc_protector( |
| const tsi_handshaker_result *self, size_t *max_output_protected_frame_size, |
| tsi_zero_copy_grpc_protector **protector) { |
| if (self == NULL || self->vtable == NULL || protector == NULL) { |
| return TSI_INVALID_ARGUMENT; |
| } |
| if (self->vtable->create_zero_copy_grpc_protector == NULL) { |
| return TSI_UNIMPLEMENTED; |
| } |
| return self->vtable->create_zero_copy_grpc_protector( |
| self, max_output_protected_frame_size, protector); |
| } |
| |
| /* --- tsi_zero_copy_grpc_protector common implementation. --- |
| |
| Calls specific implementation after state/input validation. */ |
| |
| tsi_result tsi_zero_copy_grpc_protector_protect( |
| grpc_exec_ctx *exec_ctx, tsi_zero_copy_grpc_protector *self, |
| grpc_slice_buffer *unprotected_slices, |
| grpc_slice_buffer *protected_slices) { |
| if (exec_ctx == NULL || self == NULL || self->vtable == NULL || |
| unprotected_slices == NULL || protected_slices == NULL) { |
| return TSI_INVALID_ARGUMENT; |
| } |
| if (self->vtable->protect == NULL) return TSI_UNIMPLEMENTED; |
| return self->vtable->protect(exec_ctx, self, unprotected_slices, |
| protected_slices); |
| } |
| |
| tsi_result tsi_zero_copy_grpc_protector_unprotect( |
| grpc_exec_ctx *exec_ctx, tsi_zero_copy_grpc_protector *self, |
| grpc_slice_buffer *protected_slices, |
| grpc_slice_buffer *unprotected_slices) { |
| if (exec_ctx == NULL || self == NULL || self->vtable == NULL || |
| protected_slices == NULL || unprotected_slices == NULL) { |
| return TSI_INVALID_ARGUMENT; |
| } |
| if (self->vtable->unprotect == NULL) return TSI_UNIMPLEMENTED; |
| return self->vtable->unprotect(exec_ctx, self, protected_slices, |
| unprotected_slices); |
| } |
| |
| void tsi_zero_copy_grpc_protector_destroy(grpc_exec_ctx *exec_ctx, |
| tsi_zero_copy_grpc_protector *self) { |
| if (self == NULL) return; |
| self->vtable->destroy(exec_ctx, self); |
| } |