diff --git a/BUILD b/BUILD
index 6dcc76eb7aa..f60c56ec462 100644
--- a/BUILD
+++ b/BUILD
@@ -1409,6 +1409,7 @@ grpc_cc_library(
"src/core/tsi/ssl_transport_security.c",
"src/core/tsi/transport_security.c",
"src/core/tsi/transport_security_adapter.c",
+ "src/core/tsi/transport_security_grpc.c",
],
hdrs = [
"src/core/tsi/fake_transport_security.h",
@@ -1417,6 +1418,7 @@ grpc_cc_library(
"src/core/tsi/ssl_types.h",
"src/core/tsi/transport_security.h",
"src/core/tsi/transport_security_adapter.h",
+ "src/core/tsi/transport_security_grpc.h",
"src/core/tsi/transport_security_interface.h",
],
external_deps = [
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f71563a38d7..fd676add3fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1130,6 +1130,7 @@ add_library(grpc
src/core/tsi/ssl_transport_security.c
src/core/tsi/transport_security.c
src/core/tsi/transport_security_adapter.c
+ src/core/tsi/transport_security_grpc.c
src/core/ext/transport/chttp2/server/chttp2_server.c
src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
src/core/ext/filters/client_channel/channel_connectivity.c
@@ -1497,6 +1498,7 @@ add_library(grpc_cronet
src/core/tsi/ssl_transport_security.c
src/core/tsi/transport_security.c
src/core/tsi/transport_security_adapter.c
+ src/core/tsi/transport_security_grpc.c
src/core/ext/transport/chttp2/client/chttp2_connector.c
src/core/ext/filters/load_reporting/load_reporting.c
src/core/ext/filters/load_reporting/load_reporting_filter.c
diff --git a/Makefile b/Makefile
index 98cfb04e54a..61088d758b5 100644
--- a/Makefile
+++ b/Makefile
@@ -3077,6 +3077,7 @@ LIBGRPC_SRC = \
src/core/tsi/ssl_transport_security.c \
src/core/tsi/transport_security.c \
src/core/tsi/transport_security_adapter.c \
+ src/core/tsi/transport_security_grpc.c \
src/core/ext/transport/chttp2/server/chttp2_server.c \
src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
src/core/ext/filters/client_channel/channel_connectivity.c \
@@ -3442,6 +3443,7 @@ LIBGRPC_CRONET_SRC = \
src/core/tsi/ssl_transport_security.c \
src/core/tsi/transport_security.c \
src/core/tsi/transport_security_adapter.c \
+ src/core/tsi/transport_security_grpc.c \
src/core/ext/transport/chttp2/client/chttp2_connector.c \
src/core/ext/filters/load_reporting/load_reporting.c \
src/core/ext/filters/load_reporting/load_reporting_filter.c \
@@ -19273,6 +19275,7 @@ src/core/tsi/gts_transport_security.c: $(OPENSSL_DEP)
src/core/tsi/ssl_transport_security.c: $(OPENSSL_DEP)
src/core/tsi/transport_security.c: $(OPENSSL_DEP)
src/core/tsi/transport_security_adapter.c: $(OPENSSL_DEP)
+src/core/tsi/transport_security_grpc.c: $(OPENSSL_DEP)
src/cpp/client/cronet_credentials.cc: $(OPENSSL_DEP)
src/cpp/client/secure_credentials.cc: $(OPENSSL_DEP)
src/cpp/common/auth_property_iterator.cc: $(OPENSSL_DEP)
diff --git a/binding.gyp b/binding.gyp
index d5902cc68f0..58587be9c64 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -839,6 +839,7 @@
'src/core/tsi/ssl_transport_security.c',
'src/core/tsi/transport_security.c',
'src/core/tsi/transport_security_adapter.c',
+ 'src/core/tsi/transport_security_grpc.c',
'src/core/ext/transport/chttp2/server/chttp2_server.c',
'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
'src/core/ext/filters/client_channel/channel_connectivity.c',
diff --git a/build.yaml b/build.yaml
index 9c2504af71f..1097c5944ba 100644
--- a/build.yaml
+++ b/build.yaml
@@ -882,6 +882,7 @@ filegroups:
- src/core/tsi/ssl_types.h
- src/core/tsi/transport_security.h
- src/core/tsi/transport_security_adapter.h
+ - src/core/tsi/transport_security_grpc.h
- src/core/tsi/transport_security_interface.h
src:
- src/core/tsi/fake_transport_security.c
@@ -889,6 +890,7 @@ filegroups:
- src/core/tsi/ssl_transport_security.c
- src/core/tsi/transport_security.c
- src/core/tsi/transport_security_adapter.c
+ - src/core/tsi/transport_security_grpc.c
deps:
- gpr
plugin: grpc_tsi_gts
diff --git a/config.m4 b/config.m4
index f97baadde4d..0c634c5b6b2 100644
--- a/config.m4
+++ b/config.m4
@@ -268,6 +268,7 @@ if test "$PHP_GRPC" != "no"; then
src/core/tsi/ssl_transport_security.c \
src/core/tsi/transport_security.c \
src/core/tsi/transport_security_adapter.c \
+ src/core/tsi/transport_security_grpc.c \
src/core/ext/transport/chttp2/server/chttp2_server.c \
src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
src/core/ext/filters/client_channel/channel_connectivity.c \
diff --git a/config.w32 b/config.w32
index c00f3f953d4..06ef55ff322 100644
--- a/config.w32
+++ b/config.w32
@@ -245,6 +245,7 @@ if (PHP_GRPC != "no") {
"src\\core\\tsi\\ssl_transport_security.c " +
"src\\core\\tsi\\transport_security.c " +
"src\\core\\tsi\\transport_security_adapter.c " +
+ "src\\core\\tsi\\transport_security_grpc.c " +
"src\\core\\ext\\transport\\chttp2\\server\\chttp2_server.c " +
"src\\core\\ext\\transport\\chttp2\\client\\secure\\secure_channel_create.c " +
"src\\core\\ext\\filters\\client_channel\\channel_connectivity.c " +
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 202af589192..a9a9b580d7e 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -404,6 +404,7 @@ Pod::Spec.new do |s|
'src/core/tsi/ssl_types.h',
'src/core/tsi/transport_security.h',
'src/core/tsi/transport_security_adapter.h',
+ 'src/core/tsi/transport_security_grpc.h',
'src/core/tsi/transport_security_interface.h',
'src/core/ext/transport/chttp2/server/chttp2_server.h',
'src/core/ext/filters/client_channel/client_channel.h',
@@ -643,6 +644,7 @@ Pod::Spec.new do |s|
'src/core/tsi/ssl_transport_security.c',
'src/core/tsi/transport_security.c',
'src/core/tsi/transport_security_adapter.c',
+ 'src/core/tsi/transport_security_grpc.c',
'src/core/ext/transport/chttp2/server/chttp2_server.c',
'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
'src/core/ext/filters/client_channel/channel_connectivity.c',
@@ -889,6 +891,7 @@ Pod::Spec.new do |s|
'src/core/tsi/ssl_types.h',
'src/core/tsi/transport_security.h',
'src/core/tsi/transport_security_adapter.h',
+ 'src/core/tsi/transport_security_grpc.h',
'src/core/tsi/transport_security_interface.h',
'src/core/ext/transport/chttp2/server/chttp2_server.h',
'src/core/ext/filters/client_channel/client_channel.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index a166839888c..646473281f2 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -336,6 +336,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/tsi/ssl_types.h )
s.files += %w( src/core/tsi/transport_security.h )
s.files += %w( src/core/tsi/transport_security_adapter.h )
+ s.files += %w( src/core/tsi/transport_security_grpc.h )
s.files += %w( src/core/tsi/transport_security_interface.h )
s.files += %w( src/core/ext/transport/chttp2/server/chttp2_server.h )
s.files += %w( src/core/ext/filters/client_channel/client_channel.h )
@@ -579,6 +580,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/tsi/ssl_transport_security.c )
s.files += %w( src/core/tsi/transport_security.c )
s.files += %w( src/core/tsi/transport_security_adapter.c )
+ s.files += %w( src/core/tsi/transport_security_grpc.c )
s.files += %w( src/core/ext/transport/chttp2/server/chttp2_server.c )
s.files += %w( src/core/ext/transport/chttp2/client/secure/secure_channel_create.c )
s.files += %w( src/core/ext/filters/client_channel/channel_connectivity.c )
diff --git a/package.xml b/package.xml
index b31514b99ff..97cad8a9358 100644
--- a/package.xml
+++ b/package.xml
@@ -350,6 +350,7 @@
+
@@ -593,6 +594,7 @@
+
diff --git a/src/core/tsi/fake_transport_security.c b/src/core/tsi/fake_transport_security.c
index 1280680663f..b0f5741015d 100644
--- a/src/core/tsi/fake_transport_security.c
+++ b/src/core/tsi/fake_transport_security.c
@@ -25,7 +25,7 @@
#include
#include
#include
-#include "src/core/tsi/transport_security.h"
+#include "src/core/tsi/transport_security_grpc.h"
/* --- Constants. ---*/
#define TSI_FAKE_FRAME_HEADER_SIZE 4
@@ -407,8 +407,10 @@ static void fake_handshaker_result_destroy(tsi_handshaker_result *self) {
static const tsi_handshaker_result_vtable handshaker_result_vtable = {
fake_handshaker_result_extract_peer,
+ NULL, /* create_zero_copy_grpc_protector */
fake_handshaker_result_create_frame_protector,
- fake_handshaker_result_get_unused_bytes, fake_handshaker_result_destroy,
+ fake_handshaker_result_get_unused_bytes,
+ fake_handshaker_result_destroy,
};
static tsi_result fake_handshaker_result_create(
diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/tsi/ssl_transport_security.c
index 1fd65928f9c..c96a508a306 100644
--- a/src/core/tsi/ssl_transport_security.c
+++ b/src/core/tsi/ssl_transport_security.c
@@ -47,7 +47,7 @@
#include
#include "src/core/tsi/ssl_types.h"
-#include "src/core/tsi/transport_security.h"
+#include "src/core/tsi/transport_security_grpc.h"
/* --- Constants. ---*/
diff --git a/src/core/tsi/transport_security.c b/src/core/tsi/transport_security.c
index be11d644721..a4be5e14a9b 100644
--- a/src/core/tsi/transport_security.c
+++ b/src/core/tsi/transport_security.c
@@ -74,14 +74,12 @@ tsi_result tsi_frame_protector_protect(tsi_frame_protector *self,
size_t *unprotected_bytes_size,
unsigned char *protected_output_frames,
size_t *protected_output_frames_size) {
- if (self == NULL || unprotected_bytes == NULL ||
+ if (self == NULL || self->vtable == NULL || unprotected_bytes == NULL ||
unprotected_bytes_size == NULL || protected_output_frames == NULL ||
protected_output_frames_size == NULL) {
return TSI_INVALID_ARGUMENT;
}
- if (self->vtable == NULL || self->vtable->protect == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->protect == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->protect(self, unprotected_bytes, unprotected_bytes_size,
protected_output_frames,
protected_output_frames_size);
@@ -90,13 +88,11 @@ tsi_result tsi_frame_protector_protect(tsi_frame_protector *self,
tsi_result tsi_frame_protector_protect_flush(
tsi_frame_protector *self, unsigned char *protected_output_frames,
size_t *protected_output_frames_size, size_t *still_pending_size) {
- if (self == NULL || protected_output_frames == NULL ||
+ if (self == NULL || self->vtable == NULL || protected_output_frames == NULL ||
protected_output_frames_size == NULL || still_pending_size == NULL) {
return TSI_INVALID_ARGUMENT;
}
- if (self->vtable == NULL || self->vtable->protect_flush == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->protect_flush == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->protect_flush(self, protected_output_frames,
protected_output_frames_size,
still_pending_size);
@@ -106,14 +102,12 @@ tsi_result tsi_frame_protector_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) {
- if (self == NULL || protected_frames_bytes == NULL ||
+ if (self == NULL || self->vtable == NULL || protected_frames_bytes == NULL ||
protected_frames_bytes_size == NULL || unprotected_bytes == NULL ||
unprotected_bytes_size == NULL) {
return TSI_INVALID_ARGUMENT;
}
- if (self->vtable == NULL || self->vtable->unprotect == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->unprotect == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->unprotect(self, protected_frames_bytes,
protected_frames_bytes_size, unprotected_bytes,
unprotected_bytes_size);
@@ -131,48 +125,46 @@ void tsi_frame_protector_destroy(tsi_frame_protector *self) {
tsi_result tsi_handshaker_get_bytes_to_send_to_peer(tsi_handshaker *self,
unsigned char *bytes,
size_t *bytes_size) {
- if (self == NULL || bytes == NULL || bytes_size == NULL) {
+ if (self == NULL || self->vtable == NULL || bytes == NULL ||
+ bytes_size == NULL) {
return TSI_INVALID_ARGUMENT;
}
if (self->frame_protector_created) return TSI_FAILED_PRECONDITION;
- if (self->vtable == NULL || self->vtable->get_bytes_to_send_to_peer == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->get_bytes_to_send_to_peer == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->get_bytes_to_send_to_peer(self, bytes, bytes_size);
}
tsi_result tsi_handshaker_process_bytes_from_peer(tsi_handshaker *self,
const unsigned char *bytes,
size_t *bytes_size) {
- if (self == NULL || bytes == NULL || bytes_size == NULL) {
+ if (self == NULL || self->vtable == NULL || bytes == NULL ||
+ bytes_size == NULL) {
return TSI_INVALID_ARGUMENT;
}
if (self->frame_protector_created) return TSI_FAILED_PRECONDITION;
- if (self->vtable == NULL || self->vtable->process_bytes_from_peer == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->process_bytes_from_peer == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->process_bytes_from_peer(self, bytes, bytes_size);
}
tsi_result tsi_handshaker_get_result(tsi_handshaker *self) {
- if (self == NULL) return TSI_INVALID_ARGUMENT;
+ if (self == NULL || self->vtable == NULL) return TSI_INVALID_ARGUMENT;
if (self->frame_protector_created) return TSI_FAILED_PRECONDITION;
- if (self->vtable == NULL || self->vtable->get_result == NULL) {
+ if (self->vtable->get_result == NULL) {
return TSI_UNIMPLEMENTED;
}
return self->vtable->get_result(self);
}
tsi_result tsi_handshaker_extract_peer(tsi_handshaker *self, tsi_peer *peer) {
- if (self == NULL || peer == NULL) return TSI_INVALID_ARGUMENT;
+ if (self == NULL || self->vtable == NULL || peer == NULL) {
+ return TSI_INVALID_ARGUMENT;
+ }
memset(peer, 0, sizeof(tsi_peer));
if (self->frame_protector_created) return TSI_FAILED_PRECONDITION;
if (tsi_handshaker_get_result(self) != TSI_OK) {
return TSI_FAILED_PRECONDITION;
}
- if (self->vtable == NULL || self->vtable->extract_peer == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->extract_peer == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->extract_peer(self, peer);
}
@@ -180,14 +172,12 @@ tsi_result tsi_handshaker_create_frame_protector(
tsi_handshaker *self, size_t *max_protected_frame_size,
tsi_frame_protector **protector) {
tsi_result result;
- if (self == NULL || protector == NULL) return TSI_INVALID_ARGUMENT;
- if (self->frame_protector_created) return TSI_FAILED_PRECONDITION;
- if (tsi_handshaker_get_result(self) != TSI_OK) {
- return TSI_FAILED_PRECONDITION;
- }
- if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) {
- return TSI_UNIMPLEMENTED;
+ if (self == NULL || self->vtable == NULL || protector == NULL) {
+ return TSI_INVALID_ARGUMENT;
}
+ if (self->frame_protector_created) return TSI_FAILED_PRECONDITION;
+ if (tsi_handshaker_get_result(self) != TSI_OK) return TSI_FAILED_PRECONDITION;
+ if (self->vtable->create_frame_protector == NULL) return TSI_UNIMPLEMENTED;
result = self->vtable->create_frame_protector(self, max_protected_frame_size,
protector);
if (result == TSI_OK) {
@@ -201,11 +191,9 @@ tsi_result tsi_handshaker_next(
size_t received_bytes_size, unsigned char **bytes_to_send,
size_t *bytes_to_send_size, tsi_handshaker_result **handshaker_result,
tsi_handshaker_on_next_done_cb cb, void *user_data) {
- if (self == NULL) return TSI_INVALID_ARGUMENT;
+ if (self == NULL || self->vtable == NULL) return TSI_INVALID_ARGUMENT;
if (self->handshaker_result_created) return TSI_FAILED_PRECONDITION;
- if (self->vtable == NULL || self->vtable->next == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->next == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->next(self, received_bytes, received_bytes_size,
bytes_to_send, bytes_to_send_size,
handshaker_result, cb, user_data);
@@ -220,21 +208,21 @@ void tsi_handshaker_destroy(tsi_handshaker *self) {
tsi_result tsi_handshaker_result_extract_peer(const tsi_handshaker_result *self,
tsi_peer *peer) {
- if (self == NULL || peer == NULL) return TSI_INVALID_ARGUMENT;
- memset(peer, 0, sizeof(tsi_peer));
- if (self->vtable == NULL || self->vtable->extract_peer == NULL) {
- return TSI_UNIMPLEMENTED;
+ if (self == NULL || self->vtable == NULL || peer == NULL) {
+ return TSI_INVALID_ARGUMENT;
}
+ memset(peer, 0, sizeof(tsi_peer));
+ if (self->vtable->extract_peer == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->extract_peer(self, peer);
}
tsi_result tsi_handshaker_result_create_frame_protector(
const tsi_handshaker_result *self, size_t *max_protected_frame_size,
tsi_frame_protector **protector) {
- if (self == NULL || protector == NULL) return TSI_INVALID_ARGUMENT;
- if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) {
- return TSI_UNIMPLEMENTED;
+ if (self == NULL || self->vtable == NULL || protector == NULL) {
+ return TSI_INVALID_ARGUMENT;
}
+ if (self->vtable->create_frame_protector == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->create_frame_protector(self, max_protected_frame_size,
protector);
}
@@ -242,12 +230,11 @@ tsi_result tsi_handshaker_result_create_frame_protector(
tsi_result tsi_handshaker_result_get_unused_bytes(
const tsi_handshaker_result *self, unsigned char **bytes,
size_t *bytes_size) {
- if (self == NULL || bytes == NULL || bytes_size == NULL) {
+ if (self == NULL || self->vtable == NULL || bytes == NULL ||
+ bytes_size == NULL) {
return TSI_INVALID_ARGUMENT;
}
- if (self->vtable == NULL || self->vtable->get_unused_bytes == NULL) {
- return TSI_UNIMPLEMENTED;
- }
+ if (self->vtable->get_unused_bytes == NULL) return TSI_UNIMPLEMENTED;
return self->vtable->get_unused_bytes(self, bytes, bytes_size);
}
diff --git a/src/core/tsi/transport_security.h b/src/core/tsi/transport_security.h
index 4a56c25602a..67579f95df2 100644
--- a/src/core/tsi/transport_security.h
+++ b/src/core/tsi/transport_security.h
@@ -86,6 +86,10 @@ struct tsi_handshaker {
See transport_security_interface.h for documentation. */
typedef struct {
tsi_result (*extract_peer)(const tsi_handshaker_result *self, tsi_peer *peer);
+ tsi_result (*create_zero_copy_grpc_protector)(
+ const tsi_handshaker_result *self,
+ size_t *max_output_protected_frame_size,
+ tsi_zero_copy_grpc_protector **protector);
tsi_result (*create_frame_protector)(const tsi_handshaker_result *self,
size_t *max_output_protected_frame_size,
tsi_frame_protector **protector);
diff --git a/src/core/tsi/transport_security_adapter.c b/src/core/tsi/transport_security_adapter.c
index a0564945e47..15823ba335a 100644
--- a/src/core/tsi/transport_security_adapter.c
+++ b/src/core/tsi/transport_security_adapter.c
@@ -66,8 +66,11 @@ static void adapter_result_destroy(tsi_handshaker_result *self) {
}
static const tsi_handshaker_result_vtable result_vtable = {
- adapter_result_extract_peer, adapter_result_create_frame_protector,
- adapter_result_get_unused_bytes, adapter_result_destroy,
+ adapter_result_extract_peer,
+ NULL, /* create_zero_copy_grpc_protector */
+ adapter_result_create_frame_protector,
+ adapter_result_get_unused_bytes,
+ adapter_result_destroy,
};
/* Ownership of wrapped tsi_handshaker is transferred to the result object. */
diff --git a/src/core/tsi/transport_security_grpc.c b/src/core/tsi/transport_security_grpc.c
new file mode 100644
index 00000000000..ab2b6ddd541
--- /dev/null
+++ b/src/core/tsi/transport_security_grpc.c
@@ -0,0 +1,64 @@
+/*
+ *
+ * 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_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_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(
+ tsi_zero_copy_grpc_protector *self, grpc_slice_buffer *unprotected_slices,
+ grpc_slice_buffer *protected_slices) {
+ if (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(self, unprotected_slices, protected_slices);
+}
+
+tsi_result tsi_zero_copy_grpc_protector_unprotect(
+ tsi_zero_copy_grpc_protector *self, grpc_slice_buffer *protected_slices,
+ grpc_slice_buffer *unprotected_slices) {
+ if (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(self, protected_slices, unprotected_slices);
+}
+
+void tsi_zero_copy_grpc_protector_destroy(tsi_zero_copy_grpc_protector *self) {
+ if (self == NULL) return;
+ self->vtable->destroy(self);
+}
diff --git a/src/core/tsi/transport_security_grpc.h b/src/core/tsi/transport_security_grpc.h
new file mode 100644
index 00000000000..d80c81f40ac
--- /dev/null
+++ b/src/core/tsi/transport_security_grpc.h
@@ -0,0 +1,80 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+#ifndef GRPC_CORE_TSI_TRANSPORT_SECURITY_GRPC_H
+#define GRPC_CORE_TSI_TRANSPORT_SECURITY_GRPC_H
+
+#include
+#include "src/core/tsi/transport_security.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* This method creates a tsi_zero_copy_grpc_protector object. It return TSI_OK
+ assuming there is no fatal error.
+ The caller is responsible for destroying the protector. */
+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);
+
+/* -- tsi_zero_copy_grpc_protector object -- */
+
+/* Outputs protected frames.
+ - unprotected_slices is the unprotected data to be protected.
+ - protected_slices is the protected output frames. One or more frames
+ may be produced in this protect function.
+ - This method returns TSI_OK in case of success or a specific error code in
+ case of failure. */
+tsi_result tsi_zero_copy_groc_protector_protect(
+ tsi_zero_copy_grpc_protector *self, grpc_slice_buffer *unprotected_slices,
+ grpc_slice_buffer *protected_slices);
+
+/* Outputs unprotected bytes.
+ - protected_slices is the bytes of protected frames.
+ - unprotected_slices is the unprotected output data.
+ - This method returns TSI_OK in case of success. Success includes cases where
+ there is not enough data to output in which case unprotected_slices has 0
+ bytes. */
+tsi_result tsi_zero_copy_grpc_protector_unprotect(
+ tsi_zero_copy_grpc_protector *self, grpc_slice_buffer *protected_slices,
+ grpc_slice_buffer *unprotected_slices);
+
+/* Destroys the tsi_zero_copy_grpc_protector object. */
+void tsi_zero_copy_grpc_protector_destroy(tsi_zero_copy_grpc_protector *self);
+
+/* Base for tsi_zero_copy_grpc_protector implementations. */
+typedef struct {
+ tsi_result (*protect)(tsi_zero_copy_grpc_protector *self,
+ grpc_slice_buffer *unprotected_slices,
+ grpc_slice_buffer *protected_slices);
+ tsi_result (*unprotect)(tsi_zero_copy_grpc_protector *self,
+ grpc_slice_buffer *protected_slices,
+ grpc_slice_buffer *unprotected_slices);
+ void (*destroy)(tsi_zero_copy_grpc_protector *self);
+} tsi_zero_copy_grpc_protector_vtable;
+
+struct tsi_zero_copy_grpc_protector {
+ const tsi_zero_copy_grpc_protector_vtable *vtable;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_TSI_TRANSPORT_SECURITY_GRPC_H */
diff --git a/src/core/tsi/transport_security_interface.h b/src/core/tsi/transport_security_interface.h
index 137f8ee5c33..ed5acdcd378 100644
--- a/src/core/tsi/transport_security_interface.h
+++ b/src/core/tsi/transport_security_interface.h
@@ -62,6 +62,15 @@ const char *tsi_result_to_string(tsi_result result);
extern grpc_tracer_flag tsi_tracing_enabled;
+/* -- tsi_zero_copy_grpc_protector object --
+
+ This object protects and unprotects grpc slice buffers with zero or minimized
+ memory copy once the handshake is done. Implementations of this object must be
+ thread compatible. This object depends on grpc and the details of this object
+ is defined in transport_security_grpc.h. */
+
+typedef struct tsi_zero_copy_grpc_protector tsi_zero_copy_grpc_protector;
+
/* --- tsi_frame_protector object ---
This object protects and unprotects buffers once the handshake is done.
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 605044b65e0..0552a033de3 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -244,6 +244,7 @@ CORE_SOURCE_FILES = [
'src/core/tsi/ssl_transport_security.c',
'src/core/tsi/transport_security.c',
'src/core/tsi/transport_security_adapter.c',
+ 'src/core/tsi/transport_security_grpc.c',
'src/core/ext/transport/chttp2/server/chttp2_server.c',
'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
'src/core/ext/filters/client_channel/channel_connectivity.c',
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index b747da3a676..668dfbce393 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1414,6 +1414,8 @@ src/core/tsi/transport_security.c \
src/core/tsi/transport_security.h \
src/core/tsi/transport_security_adapter.c \
src/core/tsi/transport_security_adapter.h \
+src/core/tsi/transport_security_grpc.c \
+src/core/tsi/transport_security_grpc.h \
src/core/tsi/transport_security_interface.h \
third_party/nanopb/pb.h \
third_party/nanopb/pb_common.c \
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index aa76fc047fb..d55cb406ca3 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -8949,6 +8949,7 @@
"src/core/tsi/ssl_types.h",
"src/core/tsi/transport_security.h",
"src/core/tsi/transport_security_adapter.h",
+ "src/core/tsi/transport_security_grpc.h",
"src/core/tsi/transport_security_interface.h"
],
"is_filegroup": true,
@@ -8966,6 +8967,8 @@
"src/core/tsi/transport_security.h",
"src/core/tsi/transport_security_adapter.c",
"src/core/tsi/transport_security_adapter.h",
+ "src/core/tsi/transport_security_grpc.c",
+ "src/core/tsi/transport_security_grpc.h",
"src/core/tsi/transport_security_interface.h"
],
"third_party": false,
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 57c0ac7bc4e..3f6ffc80e04 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -461,6 +461,7 @@
+
@@ -889,6 +890,8 @@
+
+
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index e9bb52defa6..805a35d86e5 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -550,6 +550,9 @@
src\core\tsi
+
+ src\core\tsi
+
src\core\ext\transport\chttp2\server
@@ -1340,6 +1343,9 @@
src\core\tsi
+
+ src\core\tsi
+
src\core\tsi