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Diffstat (limited to 'src/core/lib/tsi/transport_security.h')
| -rw-r--r-- | src/core/lib/tsi/transport_security.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/core/lib/tsi/transport_security.h b/src/core/lib/tsi/transport_security.h new file mode 100644 index 0000000000..349dd0ae9c --- /dev/null +++ b/src/core/lib/tsi/transport_security.h @@ -0,0 +1,111 @@ +/* + * + * Copyright 2015-2016, 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_CORE_LIB_TSI_TRANSPORT_SECURITY_H +#define GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H + +#include "src/core/lib/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_CORE_LIB_TSI_TRANSPORT_SECURITY_H */ |