| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H |
| #define GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H |
| |
| #include "src/core/tsi/transport_security_interface.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern int tsi_tracing_enabled; |
| |
| /* Base for tsi_frame_protector implementations. |
| See transport_security_interface.h for documentation. */ |
| typedef struct { |
| tsi_result (*protect)(tsi_frame_protector *self, |
| const unsigned char *unprotected_bytes, |
| size_t *unprotected_bytes_size, |
| unsigned char *protected_output_frames, |
| size_t *protected_output_frames_size); |
| tsi_result (*protect_flush)(tsi_frame_protector *self, |
| unsigned char *protected_output_frames, |
| size_t *protected_output_frames_size, |
| size_t *still_pending_size); |
| tsi_result (*unprotect)(tsi_frame_protector *self, |
| const unsigned char *protected_frames_bytes, |
| size_t *protected_frames_bytes_size, |
| unsigned char *unprotected_bytes, |
| size_t *unprotected_bytes_size); |
| void (*destroy)(tsi_frame_protector *self); |
| } tsi_frame_protector_vtable; |
| |
| struct tsi_frame_protector { |
| const tsi_frame_protector_vtable *vtable; |
| }; |
| |
| /* Base for tsi_handshaker implementations. |
| See transport_security_interface.h for documentation. */ |
| typedef struct { |
| tsi_result (*get_bytes_to_send_to_peer)(tsi_handshaker *self, |
| unsigned char *bytes, |
| size_t *bytes_size); |
| tsi_result (*process_bytes_from_peer)(tsi_handshaker *self, |
| const unsigned char *bytes, |
| size_t *bytes_size); |
| tsi_result (*get_result)(tsi_handshaker *self); |
| tsi_result (*extract_peer)(tsi_handshaker *self, tsi_peer *peer); |
| tsi_result (*create_frame_protector)(tsi_handshaker *self, |
| size_t *max_protected_frame_size, |
| tsi_frame_protector **protector); |
| void (*destroy)(tsi_handshaker *self); |
| } tsi_handshaker_vtable; |
| |
| struct tsi_handshaker { |
| const tsi_handshaker_vtable *vtable; |
| int frame_protector_created; |
| }; |
| |
| /* Peer and property construction/destruction functions. */ |
| tsi_result tsi_construct_peer(size_t property_count, tsi_peer *peer); |
| tsi_peer_property tsi_init_peer_property(void); |
| void tsi_peer_property_destruct(tsi_peer_property *property); |
| tsi_result tsi_construct_string_peer_property(const char *name, |
| const char *value, |
| size_t value_length, |
| tsi_peer_property *property); |
| tsi_result tsi_construct_allocated_string_peer_property( |
| const char *name, size_t value_length, tsi_peer_property *property); |
| tsi_result tsi_construct_string_peer_property_from_cstring( |
| const char *name, const char *value, tsi_peer_property *property); |
| |
| /* Utils. */ |
| char *tsi_strdup(const char *src); /* Sadly, no strdup in C89. */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H */ |