Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 1948244 | 2016-01-25 09:59:20 -0800 | [diff] [blame] | 3 | * Copyright 2015-2016, 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 | |
| 34 | #include <grpc/grpc.h> |
| 35 | |
| 36 | #include <stdlib.h> |
| 37 | #include <string.h> |
| 38 | |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 39 | #include <grpc/support/alloc.h> |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 40 | #include <grpc/support/slice.h> |
| 41 | #include <grpc/support/slice_buffer.h> |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 42 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 43 | #include "src/core/lib/channel/channel_args.h" |
| 44 | #include "src/core/lib/channel/client_channel.h" |
| 45 | #include "src/core/lib/client_config/resolver_registry.h" |
| 46 | #include "src/core/lib/iomgr/tcp_client.h" |
| 47 | #include "src/core/lib/security/auth_filters.h" |
| 48 | #include "src/core/lib/security/credentials.h" |
| 49 | #include "src/core/lib/security/security_context.h" |
| 50 | #include "src/core/lib/surface/api_trace.h" |
| 51 | #include "src/core/lib/surface/channel.h" |
| 52 | #include "src/core/lib/transport/chttp2_transport.h" |
| 53 | #include "src/core/lib/tsi/transport_security_interface.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 54 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 55 | typedef struct { |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 56 | grpc_connector base; |
| 57 | gpr_refcount refs; |
| 58 | |
| 59 | grpc_channel_security_connector *security_connector; |
| 60 | |
Craig Tiller | 3382511 | 2015-09-18 07:44:19 -0700 | [diff] [blame] | 61 | grpc_closure *notify; |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 62 | grpc_connect_in_args args; |
| 63 | grpc_connect_out_args *result; |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 64 | grpc_closure initial_string_sent; |
| 65 | gpr_slice_buffer initial_string_buffer; |
Craig Tiller | 131f6ed | 2015-09-15 08:20:20 -0700 | [diff] [blame] | 66 | |
| 67 | gpr_mu mu; |
| 68 | grpc_endpoint *connecting_endpoint; |
Craig Tiller | d1bec03 | 2015-09-18 17:29:00 -0700 | [diff] [blame] | 69 | grpc_endpoint *newly_connecting_endpoint; |
| 70 | |
| 71 | grpc_closure connected_closure; |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 72 | } connector; |
| 73 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 74 | static void connector_ref(grpc_connector *con) { |
| 75 | connector *c = (connector *)con; |
| 76 | gpr_ref(&c->refs); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 77 | } |
| 78 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 79 | static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) { |
| 80 | connector *c = (connector *)con; |
| 81 | if (gpr_unref(&c->refs)) { |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 82 | /* c->initial_string_buffer does not need to be destroyed */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 83 | gpr_free(c); |
| 84 | } |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 85 | } |
| 86 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 87 | static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, |
| 88 | grpc_security_status status, |
Julien Boeuf | 366f42c | 2015-12-16 22:05:46 -0800 | [diff] [blame] | 89 | grpc_endpoint *secure_endpoint, |
| 90 | grpc_auth_context *auth_context) { |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 91 | connector *c = arg; |
Craig Tiller | 3382511 | 2015-09-18 07:44:19 -0700 | [diff] [blame] | 92 | grpc_closure *notify; |
Julien Boeuf | 5b19403 | 2015-12-17 16:00:51 -0800 | [diff] [blame] | 93 | grpc_channel_args *args_copy = NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 94 | gpr_mu_lock(&c->mu); |
| 95 | if (c->connecting_endpoint == NULL) { |
| 96 | memset(c->result, 0, sizeof(*c->result)); |
| 97 | gpr_mu_unlock(&c->mu); |
| 98 | } else if (status != GRPC_SECURITY_OK) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 99 | gpr_log(GPR_ERROR, "Secure handshake failed with error %d.", status); |
| 100 | memset(c->result, 0, sizeof(*c->result)); |
| 101 | c->connecting_endpoint = NULL; |
| 102 | gpr_mu_unlock(&c->mu); |
| 103 | } else { |
Julien Boeuf | 5b19403 | 2015-12-17 16:00:51 -0800 | [diff] [blame] | 104 | grpc_arg auth_context_arg; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 105 | c->connecting_endpoint = NULL; |
| 106 | gpr_mu_unlock(&c->mu); |
Julien Boeuf | 5b19403 | 2015-12-17 16:00:51 -0800 | [diff] [blame] | 107 | c->result->transport = grpc_create_chttp2_transport( |
| 108 | exec_ctx, c->args.channel_args, secure_endpoint, 1); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 109 | grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, NULL, |
| 110 | 0); |
Julien Boeuf | 5b19403 | 2015-12-17 16:00:51 -0800 | [diff] [blame] | 111 | auth_context_arg = grpc_auth_context_to_arg(auth_context); |
| 112 | args_copy = grpc_channel_args_copy_and_add(c->args.channel_args, |
| 113 | &auth_context_arg, 1); |
| 114 | c->result->channel_args = args_copy; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 115 | } |
Craig Tiller | d9a5088 | 2015-06-29 15:57:36 -0700 | [diff] [blame] | 116 | notify = c->notify; |
| 117 | c->notify = NULL; |
Julien Boeuf | 5b19403 | 2015-12-17 16:00:51 -0800 | [diff] [blame] | 118 | /* look at c->args which are connector args. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 119 | notify->cb(exec_ctx, notify->cb_arg, 1); |
Julien Boeuf | 5b19403 | 2015-12-17 16:00:51 -0800 | [diff] [blame] | 120 | if (args_copy != NULL) grpc_channel_args_destroy(args_copy); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 121 | } |
| 122 | |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 123 | static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg, |
Craig Tiller | 6c39686 | 2016-01-28 13:53:40 -0800 | [diff] [blame] | 124 | bool success) { |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 125 | connector *c = arg; |
Julien Boeuf | 4f4d37c | 2016-02-24 22:07:36 -0800 | [diff] [blame] | 126 | grpc_channel_security_connector_do_handshake(exec_ctx, c->security_connector, |
| 127 | c->connecting_endpoint, |
| 128 | on_secure_handshake_done, c); |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 129 | } |
| 130 | |
Craig Tiller | 6c39686 | 2016-01-28 13:53:40 -0800 | [diff] [blame] | 131 | static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) { |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 132 | connector *c = arg; |
Craig Tiller | 3382511 | 2015-09-18 07:44:19 -0700 | [diff] [blame] | 133 | grpc_closure *notify; |
Craig Tiller | d1bec03 | 2015-09-18 17:29:00 -0700 | [diff] [blame] | 134 | grpc_endpoint *tcp = c->newly_connecting_endpoint; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 135 | if (tcp != NULL) { |
| 136 | gpr_mu_lock(&c->mu); |
| 137 | GPR_ASSERT(c->connecting_endpoint == NULL); |
| 138 | c->connecting_endpoint = tcp; |
| 139 | gpr_mu_unlock(&c->mu); |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 140 | if (!GPR_SLICE_IS_EMPTY(c->args.initial_connect_string)) { |
| 141 | grpc_closure_init(&c->initial_string_sent, on_initial_connect_string_sent, |
| 142 | c); |
| 143 | gpr_slice_buffer_init(&c->initial_string_buffer); |
| 144 | gpr_slice_buffer_add(&c->initial_string_buffer, |
| 145 | c->args.initial_connect_string); |
| 146 | grpc_endpoint_write(exec_ctx, tcp, &c->initial_string_buffer, |
| 147 | &c->initial_string_sent); |
| 148 | } else { |
Julien Boeuf | 4f4d37c | 2016-02-24 22:07:36 -0800 | [diff] [blame] | 149 | grpc_channel_security_connector_do_handshake( |
| 150 | exec_ctx, c->security_connector, tcp, on_secure_handshake_done, c); |
yang-g | a612412 | 2015-11-05 22:36:20 -0800 | [diff] [blame] | 151 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 152 | } else { |
| 153 | memset(c->result, 0, sizeof(*c->result)); |
| 154 | notify = c->notify; |
| 155 | c->notify = NULL; |
| 156 | notify->cb(exec_ctx, notify->cb_arg, 1); |
| 157 | } |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 158 | } |
| 159 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 160 | static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) { |
| 161 | connector *c = (connector *)con; |
Craig Tiller | 131f6ed | 2015-09-15 08:20:20 -0700 | [diff] [blame] | 162 | grpc_endpoint *ep; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 163 | gpr_mu_lock(&c->mu); |
Craig Tiller | 131f6ed | 2015-09-15 08:20:20 -0700 | [diff] [blame] | 164 | ep = c->connecting_endpoint; |
| 165 | c->connecting_endpoint = NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 166 | gpr_mu_unlock(&c->mu); |
| 167 | if (ep) { |
| 168 | grpc_endpoint_shutdown(exec_ctx, ep); |
| 169 | } |
Craig Tiller | 131f6ed | 2015-09-15 08:20:20 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 172 | static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con, |
| 173 | const grpc_connect_in_args *args, |
| 174 | grpc_connect_out_args *result, |
| 175 | grpc_closure *notify) { |
| 176 | connector *c = (connector *)con; |
| 177 | GPR_ASSERT(c->notify == NULL); |
| 178 | GPR_ASSERT(notify->cb); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 179 | c->notify = notify; |
| 180 | c->args = *args; |
| 181 | c->result = result; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 182 | gpr_mu_lock(&c->mu); |
| 183 | GPR_ASSERT(c->connecting_endpoint == NULL); |
| 184 | gpr_mu_unlock(&c->mu); |
| 185 | grpc_closure_init(&c->connected_closure, connected, c); |
| 186 | grpc_tcp_client_connect( |
| 187 | exec_ctx, &c->connected_closure, &c->newly_connecting_endpoint, |
| 188 | args->interested_parties, args->addr, args->addr_len, args->deadline); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 189 | } |
| 190 | |
Craig Tiller | 079a11b | 2015-06-30 10:07:15 -0700 | [diff] [blame] | 191 | static const grpc_connector_vtable connector_vtable = { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 192 | connector_ref, connector_unref, connector_shutdown, connector_connect}; |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 193 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 194 | typedef struct { |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 195 | grpc_subchannel_factory base; |
| 196 | gpr_refcount refs; |
Craig Tiller | d9a5088 | 2015-06-29 15:57:36 -0700 | [diff] [blame] | 197 | grpc_channel_args *merge_args; |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 198 | grpc_channel_security_connector *security_connector; |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 199 | grpc_channel *master; |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 200 | } subchannel_factory; |
| 201 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 202 | static void subchannel_factory_ref(grpc_subchannel_factory *scf) { |
| 203 | subchannel_factory *f = (subchannel_factory *)scf; |
| 204 | gpr_ref(&f->refs); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 205 | } |
| 206 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 207 | static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx, |
| 208 | grpc_subchannel_factory *scf) { |
| 209 | subchannel_factory *f = (subchannel_factory *)scf; |
| 210 | if (gpr_unref(&f->refs)) { |
| 211 | GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base, |
| 212 | "subchannel_factory"); |
| 213 | GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory"); |
| 214 | grpc_channel_args_destroy(f->merge_args); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 215 | gpr_free(f); |
| 216 | } |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 217 | } |
| 218 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 219 | static grpc_subchannel *subchannel_factory_create_subchannel( |
| 220 | grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf, |
| 221 | grpc_subchannel_args *args) { |
| 222 | subchannel_factory *f = (subchannel_factory *)scf; |
| 223 | connector *c = gpr_malloc(sizeof(*c)); |
| 224 | grpc_channel_args *final_args = |
| 225 | grpc_channel_args_merge(args->args, f->merge_args); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 226 | grpc_subchannel *s; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 227 | memset(c, 0, sizeof(*c)); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 228 | c->base.vtable = &connector_vtable; |
| 229 | c->security_connector = f->security_connector; |
Craig Tiller | 58473e8 | 2015-09-22 14:37:11 -0700 | [diff] [blame] | 230 | gpr_mu_init(&c->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 231 | gpr_ref_init(&c->refs, 1); |
Craig Tiller | d9a5088 | 2015-06-29 15:57:36 -0700 | [diff] [blame] | 232 | args->args = final_args; |
Craig Tiller | 7391f13 | 2016-01-22 06:39:54 -0800 | [diff] [blame] | 233 | s = grpc_subchannel_create(exec_ctx, &c->base, args); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 234 | grpc_connector_unref(exec_ctx, &c->base); |
| 235 | grpc_channel_args_destroy(final_args); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 236 | return s; |
| 237 | } |
| 238 | |
Craig Tiller | 079a11b | 2015-06-30 10:07:15 -0700 | [diff] [blame] | 239 | static const grpc_subchannel_factory_vtable subchannel_factory_vtable = { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 240 | subchannel_factory_ref, subchannel_factory_unref, |
| 241 | subchannel_factory_create_subchannel}; |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 242 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 243 | /* Create a secure client channel: |
| 244 | Asynchronously: - resolve target |
| 245 | - connect to it (trying alternatives as presented) |
| 246 | - perform handshakes */ |
Julien Boeuf | 441176d | 2015-10-09 21:14:07 -0700 | [diff] [blame] | 247 | grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 248 | const char *target, |
| 249 | const grpc_channel_args *args, |
| 250 | void *reserved) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 251 | grpc_channel *channel; |
Julien Boeuf | 7d1d9ca | 2015-04-17 14:38:48 -0700 | [diff] [blame] | 252 | grpc_arg connector_arg; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 253 | grpc_channel_args *args_copy; |
Julien Boeuf | 7d1d9ca | 2015-04-17 14:38:48 -0700 | [diff] [blame] | 254 | grpc_channel_args *new_args_from_connector; |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 255 | grpc_channel_security_connector *security_connector; |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 256 | grpc_resolver *resolver; |
| 257 | subchannel_factory *f; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 258 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Julien Boeuf | 7d1d9ca | 2015-04-17 14:38:48 -0700 | [diff] [blame] | 259 | |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 260 | GRPC_API_TRACE( |
| 261 | "grpc_secure_channel_create(creds=%p, target=%s, args=%p, " |
| 262 | "reserved=%p)", |
| 263 | 4, (creds, target, args, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 264 | GPR_ASSERT(reserved == NULL); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 265 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 266 | if (grpc_find_security_connector_in_args(args) != NULL) { |
| 267 | gpr_log(GPR_ERROR, "Cannot set security context in channel args."); |
Craig Tiller | 6301038 | 2015-09-24 15:00:58 -0700 | [diff] [blame] | 268 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 269 | return grpc_lame_client_channel_create( |
Craig Tiller | c82048f | 2016-03-23 14:41:51 -0700 | [diff] [blame] | 270 | target, GRPC_STATUS_INTERNAL, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 271 | "Security connector exists in channel args."); |
| 272 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 273 | |
Julien Boeuf | 441176d | 2015-10-09 21:14:07 -0700 | [diff] [blame] | 274 | if (grpc_channel_credentials_create_security_connector( |
| 275 | creds, target, args, &security_connector, &new_args_from_connector) != |
| 276 | GRPC_SECURITY_OK) { |
Craig Tiller | 6301038 | 2015-09-24 15:00:58 -0700 | [diff] [blame] | 277 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 278 | return grpc_lame_client_channel_create( |
Craig Tiller | c82048f | 2016-03-23 14:41:51 -0700 | [diff] [blame] | 279 | target, GRPC_STATUS_INTERNAL, "Failed to create security connector."); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 280 | } |
Julien Boeuf | 7d1d9ca | 2015-04-17 14:38:48 -0700 | [diff] [blame] | 281 | |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 282 | connector_arg = grpc_security_connector_to_arg(&security_connector->base); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 283 | args_copy = grpc_channel_args_copy_and_add( |
| 284 | new_args_from_connector != NULL ? new_args_from_connector : args, |
| 285 | &connector_arg, 1); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 286 | |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame] | 287 | channel = grpc_channel_create(&exec_ctx, target, args_copy, |
| 288 | GRPC_CLIENT_CHANNEL, NULL); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 289 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 290 | f = gpr_malloc(sizeof(*f)); |
Craig Tiller | acf0f07 | 2015-06-29 08:24:16 -0700 | [diff] [blame] | 291 | f->base.vtable = &subchannel_factory_vtable; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 292 | gpr_ref_init(&f->refs, 1); |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 293 | GRPC_SECURITY_CONNECTOR_REF(&security_connector->base, "subchannel_factory"); |
| 294 | f->security_connector = security_connector; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 295 | f->merge_args = grpc_channel_args_copy(args_copy); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 296 | f->master = channel; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 297 | GRPC_CHANNEL_INTERNAL_REF(channel, "subchannel_factory"); |
| 298 | resolver = grpc_resolver_create(target, &f->base); |
yang-g | d47a44d | 2015-12-10 15:44:25 -0800 | [diff] [blame] | 299 | if (resolver) { |
| 300 | grpc_client_channel_set_resolver( |
| 301 | &exec_ctx, grpc_channel_get_channel_stack(channel), resolver); |
| 302 | GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 303 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 304 | grpc_subchannel_factory_unref(&exec_ctx, &f->base); |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 305 | GRPC_SECURITY_CONNECTOR_UNREF(&security_connector->base, "channel_create"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 306 | grpc_channel_args_destroy(args_copy); |
| 307 | if (new_args_from_connector != NULL) { |
| 308 | grpc_channel_args_destroy(new_args_from_connector); |
| 309 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 310 | |
yang-g | d47a44d | 2015-12-10 15:44:25 -0800 | [diff] [blame] | 311 | if (!resolver) { |
| 312 | GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, channel, "subchannel_factory"); |
| 313 | channel = NULL; |
| 314 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 315 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | d1bec03 | 2015-09-18 17:29:00 -0700 | [diff] [blame] | 316 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 317 | return channel; |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 318 | } |