1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
*
* Copyright 2015 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/lib/surface/init.h"
#include <limits.h>
#include <string.h>
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/security/credentials/credentials.h"
#include "src/core/lib/security/credentials/plugin/plugin_credentials.h"
#include "src/core/lib/security/transport/auth_filters.h"
#include "src/core/lib/security/transport/secure_endpoint.h"
#include "src/core/lib/security/transport/security_connector.h"
#include "src/core/lib/security/transport/security_handshaker.h"
#include "src/core/lib/surface/channel_init.h"
#include "src/core/tsi/transport_security_interface.h"
#ifndef NDEBUG
#include "src/core/lib/security/context/security_context.h"
#endif
void grpc_security_pre_init(void) {
grpc_register_tracer(&grpc_trace_secure_endpoint);
grpc_register_tracer(&tsi_tracing_enabled);
#ifndef NDEBUG
grpc_register_tracer(&grpc_trace_auth_context_refcount);
grpc_register_tracer(&grpc_trace_security_connector_refcount);
#endif
}
static bool maybe_prepend_client_auth_filter(
grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, void *arg) {
const grpc_channel_args *args =
grpc_channel_stack_builder_get_channel_arguments(builder);
if (args) {
for (size_t i = 0; i < args->num_args; i++) {
if (0 == strcmp(GRPC_ARG_SECURITY_CONNECTOR, args->args[i].key)) {
return grpc_channel_stack_builder_prepend_filter(
builder, &grpc_client_auth_filter, NULL, NULL);
}
}
}
return true;
}
static bool maybe_prepend_server_auth_filter(
grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, void *arg) {
const grpc_channel_args *args =
grpc_channel_stack_builder_get_channel_arguments(builder);
if (args) {
for (size_t i = 0; i < args->num_args; i++) {
if (0 == strcmp(GRPC_SERVER_CREDENTIALS_ARG, args->args[i].key)) {
return grpc_channel_stack_builder_prepend_filter(
builder, &grpc_server_auth_filter, NULL, NULL);
}
}
}
return true;
}
void grpc_register_security_filters(void) {
grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, INT_MAX,
maybe_prepend_client_auth_filter, NULL);
grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
maybe_prepend_client_auth_filter, NULL);
grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
maybe_prepend_server_auth_filter, NULL);
}
void grpc_security_init() {
grpc_security_register_handshaker_factories();
grpc_register_tracer(&grpc_plugin_credentials_trace);
}
|
