Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
Craig Tiller | b29f1fe | 2017-03-28 15:49:23 -0700 | [diff] [blame] | 34 | #include "src/core/tsi/transport_security.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 35 | |
Nicolas "Pixel" Noble | b29d8cf | 2016-04-08 01:38:29 +0200 | [diff] [blame] | 36 | #include <grpc/support/alloc.h> |
| 37 | #include <grpc/support/string_util.h> |
| 38 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 39 | #include <stdlib.h> |
| 40 | #include <string.h> |
| 41 | |
Julien Boeuf | 980f600 | 2015-02-26 16:41:41 -0800 | [diff] [blame] | 42 | /* --- Tracing. --- */ |
| 43 | |
Craig Tiller | 3b65436 | 2017-05-04 08:11:17 -0700 | [diff] [blame] | 44 | grpc_tracer_flag tsi_tracing_enabled = GRPC_TRACER_INITIALIZER(false); |
Julien Boeuf | 980f600 | 2015-02-26 16:41:41 -0800 | [diff] [blame] | 45 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 46 | /* --- tsi_result common implementation. --- */ |
| 47 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 48 | const char *tsi_result_to_string(tsi_result result) { |
| 49 | switch (result) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 50 | case TSI_OK: |
| 51 | return "TSI_OK"; |
| 52 | case TSI_UNKNOWN_ERROR: |
| 53 | return "TSI_UNKNOWN_ERROR"; |
| 54 | case TSI_INVALID_ARGUMENT: |
| 55 | return "TSI_INVALID_ARGUMENT"; |
| 56 | case TSI_PERMISSION_DENIED: |
| 57 | return "TSI_PERMISSION_DENIED"; |
| 58 | case TSI_INCOMPLETE_DATA: |
| 59 | return "TSI_INCOMPLETE_DATA"; |
| 60 | case TSI_FAILED_PRECONDITION: |
| 61 | return "TSI_FAILED_PRECONDITION"; |
| 62 | case TSI_UNIMPLEMENTED: |
| 63 | return "TSI_UNIMPLEMENTED"; |
| 64 | case TSI_INTERNAL_ERROR: |
| 65 | return "TSI_INTERNAL_ERROR"; |
| 66 | case TSI_DATA_CORRUPTED: |
| 67 | return "TSI_DATA_CORRUPTED"; |
| 68 | case TSI_NOT_FOUND: |
| 69 | return "TSI_NOT_FOUND"; |
| 70 | case TSI_PROTOCOL_FAILURE: |
| 71 | return "TSI_PROTOCOL_FAILURE"; |
| 72 | case TSI_HANDSHAKE_IN_PROGRESS: |
| 73 | return "TSI_HANDSHAKE_IN_PROGRESS"; |
| 74 | case TSI_OUT_OF_RESOURCES: |
| 75 | return "TSI_OUT_OF_RESOURCES"; |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 76 | case TSI_ASYNC: |
| 77 | return "TSI_ASYNC"; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 78 | default: |
| 79 | return "UNKNOWN"; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 80 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 81 | } |
| 82 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 83 | /* --- tsi_frame_protector common implementation. --- |
| 84 | |
| 85 | Calls specific implementation after state/input validation. */ |
| 86 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 87 | tsi_result tsi_frame_protector_protect(tsi_frame_protector *self, |
| 88 | const unsigned char *unprotected_bytes, |
| 89 | size_t *unprotected_bytes_size, |
| 90 | unsigned char *protected_output_frames, |
| 91 | size_t *protected_output_frames_size) { |
| 92 | if (self == NULL || unprotected_bytes == NULL || |
| 93 | unprotected_bytes_size == NULL || protected_output_frames == NULL || |
| 94 | protected_output_frames_size == NULL) { |
| 95 | return TSI_INVALID_ARGUMENT; |
| 96 | } |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 97 | if (self->vtable == NULL || self->vtable->protect == NULL) { |
| 98 | return TSI_UNIMPLEMENTED; |
| 99 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 100 | return self->vtable->protect(self, unprotected_bytes, unprotected_bytes_size, |
| 101 | protected_output_frames, |
| 102 | protected_output_frames_size); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 103 | } |
| 104 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 105 | tsi_result tsi_frame_protector_protect_flush( |
| 106 | tsi_frame_protector *self, unsigned char *protected_output_frames, |
| 107 | size_t *protected_output_frames_size, size_t *still_pending_size) { |
| 108 | if (self == NULL || protected_output_frames == NULL || |
Igor Pylypiv | b7de717 | 2017-03-30 23:06:16 -0700 | [diff] [blame] | 109 | protected_output_frames_size == NULL || still_pending_size == NULL) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 110 | return TSI_INVALID_ARGUMENT; |
| 111 | } |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 112 | if (self->vtable == NULL || self->vtable->protect_flush == NULL) { |
| 113 | return TSI_UNIMPLEMENTED; |
| 114 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 115 | return self->vtable->protect_flush(self, protected_output_frames, |
| 116 | protected_output_frames_size, |
| 117 | still_pending_size); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 118 | } |
| 119 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 120 | tsi_result tsi_frame_protector_unprotect( |
| 121 | tsi_frame_protector *self, const unsigned char *protected_frames_bytes, |
| 122 | size_t *protected_frames_bytes_size, unsigned char *unprotected_bytes, |
| 123 | size_t *unprotected_bytes_size) { |
| 124 | if (self == NULL || protected_frames_bytes == NULL || |
| 125 | protected_frames_bytes_size == NULL || unprotected_bytes == NULL || |
| 126 | unprotected_bytes_size == NULL) { |
| 127 | return TSI_INVALID_ARGUMENT; |
| 128 | } |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 129 | if (self->vtable == NULL || self->vtable->unprotect == NULL) { |
| 130 | return TSI_UNIMPLEMENTED; |
| 131 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 132 | return self->vtable->unprotect(self, protected_frames_bytes, |
| 133 | protected_frames_bytes_size, unprotected_bytes, |
| 134 | unprotected_bytes_size); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 135 | } |
| 136 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 137 | void tsi_frame_protector_destroy(tsi_frame_protector *self) { |
| 138 | if (self == NULL) return; |
| 139 | self->vtable->destroy(self); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 140 | } |
| 141 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 142 | /* --- tsi_handshaker common implementation. --- |
| 143 | |
| 144 | Calls specific implementation after state/input validation. */ |
| 145 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 146 | tsi_result tsi_handshaker_get_bytes_to_send_to_peer(tsi_handshaker *self, |
| 147 | unsigned char *bytes, |
| 148 | size_t *bytes_size) { |
Julien Boeuf | 4c8e818 | 2015-12-07 11:34:12 -0800 | [diff] [blame] | 149 | if (self == NULL || bytes == NULL || bytes_size == NULL) { |
| 150 | return TSI_INVALID_ARGUMENT; |
| 151 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 152 | if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 153 | if (self->vtable == NULL || self->vtable->get_bytes_to_send_to_peer == NULL) { |
| 154 | return TSI_UNIMPLEMENTED; |
| 155 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 156 | return self->vtable->get_bytes_to_send_to_peer(self, bytes, bytes_size); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 157 | } |
| 158 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 159 | tsi_result tsi_handshaker_process_bytes_from_peer(tsi_handshaker *self, |
| 160 | const unsigned char *bytes, |
| 161 | size_t *bytes_size) { |
Julien Boeuf | 4c8e818 | 2015-12-07 11:34:12 -0800 | [diff] [blame] | 162 | if (self == NULL || bytes == NULL || bytes_size == NULL) { |
| 163 | return TSI_INVALID_ARGUMENT; |
| 164 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 165 | if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 166 | if (self->vtable == NULL || self->vtable->process_bytes_from_peer == NULL) { |
| 167 | return TSI_UNIMPLEMENTED; |
| 168 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 169 | return self->vtable->process_bytes_from_peer(self, bytes, bytes_size); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 172 | tsi_result tsi_handshaker_get_result(tsi_handshaker *self) { |
| 173 | if (self == NULL) return TSI_INVALID_ARGUMENT; |
| 174 | if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 175 | if (self->vtable == NULL || self->vtable->get_result == NULL) { |
| 176 | return TSI_UNIMPLEMENTED; |
| 177 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 178 | return self->vtable->get_result(self); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 179 | } |
| 180 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 181 | tsi_result tsi_handshaker_extract_peer(tsi_handshaker *self, tsi_peer *peer) { |
| 182 | if (self == NULL || peer == NULL) return TSI_INVALID_ARGUMENT; |
| 183 | memset(peer, 0, sizeof(tsi_peer)); |
| 184 | if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; |
| 185 | if (tsi_handshaker_get_result(self) != TSI_OK) { |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 186 | return TSI_FAILED_PRECONDITION; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 187 | } |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 188 | if (self->vtable == NULL || self->vtable->extract_peer == NULL) { |
| 189 | return TSI_UNIMPLEMENTED; |
| 190 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 191 | return self->vtable->extract_peer(self, peer); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 192 | } |
| 193 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 194 | tsi_result tsi_handshaker_create_frame_protector( |
| 195 | tsi_handshaker *self, size_t *max_protected_frame_size, |
| 196 | tsi_frame_protector **protector) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 197 | tsi_result result; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 198 | if (self == NULL || protector == NULL) return TSI_INVALID_ARGUMENT; |
| 199 | if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; |
| 200 | if (tsi_handshaker_get_result(self) != TSI_OK) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 201 | return TSI_FAILED_PRECONDITION; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 202 | } |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 203 | if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) { |
| 204 | return TSI_UNIMPLEMENTED; |
| 205 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 206 | result = self->vtable->create_frame_protector(self, max_protected_frame_size, |
| 207 | protector); |
| 208 | if (result == TSI_OK) { |
jiangtaoli2016 | e69881d | 2017-04-10 14:29:43 -0700 | [diff] [blame] | 209 | self->frame_protector_created = true; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 210 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 211 | return result; |
| 212 | } |
| 213 | |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 214 | tsi_result tsi_handshaker_next( |
| 215 | tsi_handshaker *self, const unsigned char *received_bytes, |
| 216 | size_t received_bytes_size, unsigned char **bytes_to_send, |
| 217 | size_t *bytes_to_send_size, tsi_handshaker_result **handshaker_result, |
| 218 | tsi_handshaker_on_next_done_cb cb, void *user_data) { |
| 219 | if (self == NULL) return TSI_INVALID_ARGUMENT; |
| 220 | if (self->handshaker_result_created) return TSI_FAILED_PRECONDITION; |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 221 | if (self->vtable == NULL || self->vtable->next == NULL) { |
| 222 | return TSI_UNIMPLEMENTED; |
| 223 | } |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 224 | return self->vtable->next(self, received_bytes, received_bytes_size, |
| 225 | bytes_to_send, bytes_to_send_size, |
| 226 | handshaker_result, cb, user_data); |
| 227 | } |
| 228 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 229 | void tsi_handshaker_destroy(tsi_handshaker *self) { |
| 230 | if (self == NULL) return; |
| 231 | self->vtable->destroy(self); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 232 | } |
| 233 | |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 234 | /* --- tsi_handshaker_result implementation. --- */ |
| 235 | |
jiangtaoli2016 | e69881d | 2017-04-10 14:29:43 -0700 | [diff] [blame] | 236 | tsi_result tsi_handshaker_result_extract_peer(const tsi_handshaker_result *self, |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 237 | tsi_peer *peer) { |
| 238 | if (self == NULL || peer == NULL) return TSI_INVALID_ARGUMENT; |
| 239 | memset(peer, 0, sizeof(tsi_peer)); |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 240 | if (self->vtable == NULL || self->vtable->extract_peer == NULL) { |
| 241 | return TSI_UNIMPLEMENTED; |
| 242 | } |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 243 | return self->vtable->extract_peer(self, peer); |
| 244 | } |
| 245 | |
| 246 | tsi_result tsi_handshaker_result_create_frame_protector( |
jiangtaoli2016 | e69881d | 2017-04-10 14:29:43 -0700 | [diff] [blame] | 247 | const tsi_handshaker_result *self, size_t *max_protected_frame_size, |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 248 | tsi_frame_protector **protector) { |
| 249 | if (self == NULL || protector == NULL) return TSI_INVALID_ARGUMENT; |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 250 | if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) { |
| 251 | return TSI_UNIMPLEMENTED; |
| 252 | } |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 253 | return self->vtable->create_frame_protector(self, max_protected_frame_size, |
| 254 | protector); |
| 255 | } |
| 256 | |
| 257 | tsi_result tsi_handshaker_result_get_unused_bytes( |
jiangtaoli2016 | e69881d | 2017-04-10 14:29:43 -0700 | [diff] [blame] | 258 | const tsi_handshaker_result *self, unsigned char **bytes, |
| 259 | size_t *bytes_size) { |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 260 | if (self == NULL || bytes == NULL || bytes_size == NULL) { |
| 261 | return TSI_INVALID_ARGUMENT; |
| 262 | } |
jiangtaoli2016 | c195502 | 2017-04-11 09:36:19 -0700 | [diff] [blame] | 263 | if (self->vtable == NULL || self->vtable->get_unused_bytes == NULL) { |
| 264 | return TSI_UNIMPLEMENTED; |
| 265 | } |
jiangtaoli2016 | 20b9f94 | 2017-04-07 12:50:33 -0700 | [diff] [blame] | 266 | return self->vtable->get_unused_bytes(self, bytes, bytes_size); |
| 267 | } |
| 268 | |
| 269 | void tsi_handshaker_result_destroy(tsi_handshaker_result *self) { |
| 270 | if (self == NULL) return; |
| 271 | self->vtable->destroy(self); |
| 272 | } |
| 273 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 274 | /* --- tsi_peer implementation. --- */ |
| 275 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 276 | tsi_peer_property tsi_init_peer_property(void) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 277 | tsi_peer_property property; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 278 | memset(&property, 0, sizeof(tsi_peer_property)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 279 | return property; |
| 280 | } |
| 281 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 282 | static void tsi_peer_destroy_list_property(tsi_peer_property *children, |
| 283 | size_t child_count) { |
Julien Boeuf | b222b4d | 2015-01-15 17:01:39 -0800 | [diff] [blame] | 284 | size_t i; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 285 | for (i = 0; i < child_count; i++) { |
| 286 | tsi_peer_property_destruct(&children[i]); |
| 287 | } |
Nicolas "Pixel" Noble | b29d8cf | 2016-04-08 01:38:29 +0200 | [diff] [blame] | 288 | gpr_free(children); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 289 | } |
| 290 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 291 | void tsi_peer_property_destruct(tsi_peer_property *property) { |
| 292 | if (property->name != NULL) { |
Nicolas "Pixel" Noble | b29d8cf | 2016-04-08 01:38:29 +0200 | [diff] [blame] | 293 | gpr_free(property->name); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 294 | } |
| 295 | if (property->value.data != NULL) { |
Nicolas "Pixel" Noble | b29d8cf | 2016-04-08 01:38:29 +0200 | [diff] [blame] | 296 | gpr_free(property->value.data); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 297 | } |
| 298 | *property = tsi_init_peer_property(); /* Reset everything to 0. */ |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 299 | } |
| 300 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 301 | void tsi_peer_destruct(tsi_peer *self) { |
| 302 | if (self == NULL) return; |
| 303 | if (self->properties != NULL) { |
| 304 | tsi_peer_destroy_list_property(self->properties, self->property_count); |
| 305 | self->properties = NULL; |
| 306 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 307 | self->property_count = 0; |
| 308 | } |
| 309 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 310 | tsi_result tsi_construct_allocated_string_peer_property( |
| 311 | const char *name, size_t value_length, tsi_peer_property *property) { |
| 312 | *property = tsi_init_peer_property(); |
Nicolas "Pixel" Noble | 7c9a154 | 2016-03-26 01:33:34 +0100 | [diff] [blame] | 313 | if (name != NULL) property->name = gpr_strdup(name); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 314 | if (value_length > 0) { |
Craig Tiller | 6f41788 | 2017-02-16 14:09:39 -0800 | [diff] [blame] | 315 | property->value.data = gpr_zalloc(value_length); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 316 | property->value.length = value_length; |
| 317 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 318 | return TSI_OK; |
| 319 | } |
| 320 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 321 | tsi_result tsi_construct_string_peer_property_from_cstring( |
| 322 | const char *name, const char *value, tsi_peer_property *property) { |
| 323 | return tsi_construct_string_peer_property(name, value, strlen(value), |
| 324 | property); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 325 | } |
| 326 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 327 | tsi_result tsi_construct_string_peer_property(const char *name, |
| 328 | const char *value, |
| 329 | size_t value_length, |
| 330 | tsi_peer_property *property) { |
| 331 | tsi_result result = tsi_construct_allocated_string_peer_property( |
| 332 | name, value_length, property); |
| 333 | if (result != TSI_OK) return result; |
| 334 | if (value_length > 0) { |
| 335 | memcpy(property->value.data, value, value_length); |
| 336 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 337 | return TSI_OK; |
| 338 | } |
| 339 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 340 | tsi_result tsi_construct_peer(size_t property_count, tsi_peer *peer) { |
| 341 | memset(peer, 0, sizeof(tsi_peer)); |
| 342 | if (property_count > 0) { |
Craig Tiller | 6f41788 | 2017-02-16 14:09:39 -0800 | [diff] [blame] | 343 | peer->properties = gpr_zalloc(property_count * sizeof(tsi_peer_property)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 344 | peer->property_count = property_count; |
| 345 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 346 | return TSI_OK; |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 347 | } |