1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #include <grpc/support/port_platform.h> 20 21 #include "src/core/lib/security/credentials/credentials.h" 22 23 #include <stdio.h> 24 #include <string.h> 25 26 #include "src/core/lib/channel/channel_args.h" 27 #include "src/core/lib/gpr/string.h" 28 #include "src/core/lib/http/httpcli.h" 29 #include "src/core/lib/http/parser.h" 30 #include "src/core/lib/iomgr/executor.h" 31 #include "src/core/lib/json/json.h" 32 #include "src/core/lib/surface/api_trace.h" 33 34 #include <grpc/support/alloc.h> 35 #include <grpc/support/log.h> 36 #include <grpc/support/string_util.h> 37 #include <grpc/support/sync.h> 38 #include <grpc/support/time.h> 39 40 /* -- Common. -- */ 41 grpc_channel_credentials_release(grpc_channel_credentials * creds)42 void grpc_channel_credentials_release(grpc_channel_credentials* creds) { 43 GRPC_API_TRACE("grpc_channel_credentials_release(creds=%p)", 1, (creds)); 44 grpc_core::ExecCtx exec_ctx; 45 if (creds) creds->Unref(); 46 } 47 grpc_call_credentials_release(grpc_call_credentials * creds)48 void grpc_call_credentials_release(grpc_call_credentials* creds) { 49 GRPC_API_TRACE("grpc_call_credentials_release(creds=%p)", 1, (creds)); 50 grpc_core::ExecCtx exec_ctx; 51 if (creds) creds->Unref(); 52 } 53 credentials_pointer_arg_destroy(void * p)54 static void credentials_pointer_arg_destroy(void* p) { 55 static_cast<grpc_channel_credentials*>(p)->Unref(); 56 } 57 credentials_pointer_arg_copy(void * p)58 static void* credentials_pointer_arg_copy(void* p) { 59 return static_cast<grpc_channel_credentials*>(p)->Ref().release(); 60 } 61 credentials_pointer_cmp(void * a,void * b)62 static int credentials_pointer_cmp(void* a, void* b) { return GPR_ICMP(a, b); } 63 64 static const grpc_arg_pointer_vtable credentials_pointer_vtable = { 65 credentials_pointer_arg_copy, credentials_pointer_arg_destroy, 66 credentials_pointer_cmp}; 67 grpc_channel_credentials_to_arg(grpc_channel_credentials * credentials)68 grpc_arg grpc_channel_credentials_to_arg( 69 grpc_channel_credentials* credentials) { 70 return grpc_channel_arg_pointer_create( 71 const_cast<char*>(GRPC_ARG_CHANNEL_CREDENTIALS), credentials, 72 &credentials_pointer_vtable); 73 } 74 grpc_channel_credentials_from_arg(const grpc_arg * arg)75 grpc_channel_credentials* grpc_channel_credentials_from_arg( 76 const grpc_arg* arg) { 77 if (strcmp(arg->key, GRPC_ARG_CHANNEL_CREDENTIALS) != 0) return nullptr; 78 if (arg->type != GRPC_ARG_POINTER) { 79 gpr_log(GPR_ERROR, "Invalid type %d for arg %s", arg->type, 80 GRPC_ARG_CHANNEL_CREDENTIALS); 81 return nullptr; 82 } 83 return static_cast<grpc_channel_credentials*>(arg->value.pointer.p); 84 } 85 grpc_channel_credentials_find_in_args(const grpc_channel_args * args)86 grpc_channel_credentials* grpc_channel_credentials_find_in_args( 87 const grpc_channel_args* args) { 88 size_t i; 89 if (args == nullptr) return nullptr; 90 for (i = 0; i < args->num_args; i++) { 91 grpc_channel_credentials* credentials = 92 grpc_channel_credentials_from_arg(&args->args[i]); 93 if (credentials != nullptr) return credentials; 94 } 95 return nullptr; 96 } 97 grpc_server_credentials_release(grpc_server_credentials * creds)98 void grpc_server_credentials_release(grpc_server_credentials* creds) { 99 GRPC_API_TRACE("grpc_server_credentials_release(creds=%p)", 1, (creds)); 100 grpc_core::ExecCtx exec_ctx; 101 if (creds) creds->Unref(); 102 } 103 set_auth_metadata_processor(const grpc_auth_metadata_processor & processor)104 void grpc_server_credentials::set_auth_metadata_processor( 105 const grpc_auth_metadata_processor& processor) { 106 GRPC_API_TRACE( 107 "grpc_server_credentials_set_auth_metadata_processor(" 108 "creds=%p, " 109 "processor=grpc_auth_metadata_processor { process: %p, state: %p })", 110 3, (this, (void*)(intptr_t)processor.process, processor.state)); 111 DestroyProcessor(); 112 processor_ = processor; 113 } 114 grpc_server_credentials_set_auth_metadata_processor(grpc_server_credentials * creds,grpc_auth_metadata_processor processor)115 void grpc_server_credentials_set_auth_metadata_processor( 116 grpc_server_credentials* creds, grpc_auth_metadata_processor processor) { 117 GPR_DEBUG_ASSERT(creds != nullptr); 118 creds->set_auth_metadata_processor(processor); 119 } 120 server_credentials_pointer_arg_destroy(void * p)121 static void server_credentials_pointer_arg_destroy(void* p) { 122 static_cast<grpc_server_credentials*>(p)->Unref(); 123 } 124 server_credentials_pointer_arg_copy(void * p)125 static void* server_credentials_pointer_arg_copy(void* p) { 126 return static_cast<grpc_server_credentials*>(p)->Ref().release(); 127 } 128 server_credentials_pointer_cmp(void * a,void * b)129 static int server_credentials_pointer_cmp(void* a, void* b) { 130 return GPR_ICMP(a, b); 131 } 132 133 static const grpc_arg_pointer_vtable cred_ptr_vtable = { 134 server_credentials_pointer_arg_copy, server_credentials_pointer_arg_destroy, 135 server_credentials_pointer_cmp}; 136 grpc_server_credentials_to_arg(grpc_server_credentials * c)137 grpc_arg grpc_server_credentials_to_arg(grpc_server_credentials* c) { 138 return grpc_channel_arg_pointer_create( 139 const_cast<char*>(GRPC_SERVER_CREDENTIALS_ARG), c, &cred_ptr_vtable); 140 } 141 grpc_server_credentials_from_arg(const grpc_arg * arg)142 grpc_server_credentials* grpc_server_credentials_from_arg(const grpc_arg* arg) { 143 if (strcmp(arg->key, GRPC_SERVER_CREDENTIALS_ARG) != 0) return nullptr; 144 if (arg->type != GRPC_ARG_POINTER) { 145 gpr_log(GPR_ERROR, "Invalid type %d for arg %s", arg->type, 146 GRPC_SERVER_CREDENTIALS_ARG); 147 return nullptr; 148 } 149 return static_cast<grpc_server_credentials*>(arg->value.pointer.p); 150 } 151 grpc_find_server_credentials_in_args(const grpc_channel_args * args)152 grpc_server_credentials* grpc_find_server_credentials_in_args( 153 const grpc_channel_args* args) { 154 size_t i; 155 if (args == nullptr) return nullptr; 156 for (i = 0; i < args->num_args; i++) { 157 grpc_server_credentials* p = 158 grpc_server_credentials_from_arg(&args->args[i]); 159 if (p != nullptr) return p; 160 } 161 return nullptr; 162 } 163