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
|
/*
*
* 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 <grpc/slice_buffer.h>
#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_grpc_protector_protect(
grpc_exec_ctx *exec_ctx, 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(
grpc_exec_ctx *exec_ctx, 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(grpc_exec_ctx *exec_ctx,
tsi_zero_copy_grpc_protector *self);
/* Base for tsi_zero_copy_grpc_protector implementations. */
typedef struct {
tsi_result (*protect)(grpc_exec_ctx *exec_ctx,
tsi_zero_copy_grpc_protector *self,
grpc_slice_buffer *unprotected_slices,
grpc_slice_buffer *protected_slices);
tsi_result (*unprotect)(grpc_exec_ctx *exec_ctx,
tsi_zero_copy_grpc_protector *self,
grpc_slice_buffer *protected_slices,
grpc_slice_buffer *unprotected_slices);
void (*destroy)(grpc_exec_ctx *exec_ctx, 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 */
|
