| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H |
| #define GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H |
| |
| #include "src/core/transport/stream_op.h" |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_security.h> |
| #include <grpc/support/sync.h> |
| |
| struct grpc_httpcli_response; |
| |
| /* --- Constants. --- */ |
| |
| typedef enum { |
| GRPC_CREDENTIALS_OK = 0, |
| GRPC_CREDENTIALS_ERROR |
| } grpc_credentials_status; |
| |
| #define GRPC_CREDENTIALS_TYPE_SSL "Ssl" |
| #define GRPC_CREDENTIALS_TYPE_OAUTH2 "Oauth2" |
| #define GRPC_CREDENTIALS_TYPE_JWT "Jwt" |
| #define GRPC_CREDENTIALS_TYPE_IAM "Iam" |
| #define GRPC_CREDENTIALS_TYPE_COMPOSITE "Composite" |
| #define GRPC_CREDENTIALS_TYPE_FAKE_TRANSPORT_SECURITY "FakeTransportSecurity" |
| |
| #define GRPC_AUTHORIZATION_METADATA_KEY "Authorization" |
| #define GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY \ |
| "x-goog-iam-authorization-token" |
| #define GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY "x-goog-iam-authority-selector" |
| |
| #define GRPC_GOOGLE_CLOUD_SDK_CONFIG_DIRECTORY "gcloud" |
| #define GRPC_GOOGLE_WELL_KNOWN_CREDENTIALS_FILE \ |
| "application_default_credentials.json" |
| |
| #define GRPC_SECURE_TOKEN_REFRESH_THRESHOLD_SECS 60 |
| |
| #define GRPC_COMPUTE_ENGINE_METADATA_HOST "metadata" |
| #define GRPC_COMPUTE_ENGINE_METADATA_TOKEN_PATH \ |
| "/computeMetadata/v1/instance/service-accounts/default/token" |
| |
| #define GRPC_GOOGLE_OAUTH2_SERVICE_HOST "www.googleapis.com" |
| #define GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH "/oauth2/v3/token" |
| |
| #define GRPC_SERVICE_ACCOUNT_POST_BODY_PREFIX \ |
| "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Ajwt-bearer&" \ |
| "assertion=" |
| |
| #define GRPC_REFRESH_TOKEN_POST_BODY_FORMAT_STRING \ |
| "client_id=%s&client_secret=%s&refresh_token=%s&grant_type=refresh_token" |
| |
| /* --- grpc_credentials. --- */ |
| |
| /* It is the caller's responsibility to gpr_free the result if not NULL. */ |
| char *grpc_get_well_known_google_credentials_file_path(void); |
| |
| typedef void (*grpc_credentials_metadata_cb)(void *user_data, |
| grpc_mdelem **md_elems, |
| size_t num_md, |
| grpc_credentials_status status); |
| |
| typedef struct { |
| void (*destroy)(grpc_credentials *c); |
| int (*has_request_metadata)(const grpc_credentials *c); |
| int (*has_request_metadata_only)(const grpc_credentials *c); |
| void (*get_request_metadata)(grpc_credentials *c, |
| const char *service_url, |
| grpc_credentials_metadata_cb cb, |
| void *user_data); |
| } grpc_credentials_vtable; |
| |
| struct grpc_credentials { |
| const grpc_credentials_vtable *vtable; |
| const char *type; |
| gpr_refcount refcount; |
| }; |
| |
| grpc_credentials *grpc_credentials_ref(grpc_credentials *creds); |
| void grpc_credentials_unref(grpc_credentials *creds); |
| int grpc_credentials_has_request_metadata(grpc_credentials *creds); |
| int grpc_credentials_has_request_metadata_only(grpc_credentials *creds); |
| void grpc_credentials_get_request_metadata(grpc_credentials *creds, |
| const char *service_url, |
| grpc_credentials_metadata_cb cb, |
| void *user_data); |
| typedef struct { |
| unsigned char *pem_private_key; |
| size_t pem_private_key_size; |
| unsigned char *pem_cert_chain; |
| size_t pem_cert_chain_size; |
| unsigned char *pem_root_certs; |
| size_t pem_root_certs_size; |
| } grpc_ssl_config; |
| |
| const grpc_ssl_config *grpc_ssl_credentials_get_config( |
| const grpc_credentials *ssl_creds); |
| |
| typedef struct { |
| grpc_credentials **creds_array; |
| size_t num_creds; |
| } grpc_credentials_array; |
| |
| const grpc_credentials_array *grpc_composite_credentials_get_credentials( |
| grpc_credentials *composite_creds); |
| |
| /* Returns creds if creds is of the specified type or the inner creds of the |
| specified type (if found), if the creds is of type COMPOSITE. |
| If composite_creds is not NULL, *composite_creds will point to creds if of |
| type COMPOSITE in case of success. */ |
| grpc_credentials *grpc_credentials_contains_type( |
| grpc_credentials *creds, const char *type, |
| grpc_credentials **composite_creds); |
| |
| /* Exposed for testing only. */ |
| grpc_credentials_status |
| grpc_oauth2_token_fetcher_credentials_parse_server_response( |
| const struct grpc_httpcli_response *response, grpc_mdctx *ctx, |
| grpc_mdelem **token_elem, gpr_timespec *token_lifetime); |
| |
| /* Simulates an oauth2 token fetch with the specified value for testing. */ |
| grpc_credentials *grpc_fake_oauth2_credentials_create( |
| const char *token_md_value, int is_async); |
| |
| /* --- grpc_server_credentials. --- */ |
| |
| typedef struct { |
| void (*destroy)(grpc_server_credentials *c); |
| } grpc_server_credentials_vtable; |
| |
| struct grpc_server_credentials { |
| const grpc_server_credentials_vtable *vtable; |
| const char *type; |
| }; |
| |
| typedef struct { |
| unsigned char **pem_private_keys; |
| size_t *pem_private_keys_sizes; |
| unsigned char **pem_cert_chains; |
| size_t *pem_cert_chains_sizes; |
| size_t num_key_cert_pairs; |
| unsigned char *pem_root_certs; |
| size_t pem_root_certs_size; |
| } grpc_ssl_server_config; |
| |
| const grpc_ssl_server_config *grpc_ssl_server_credentials_get_config( |
| const grpc_server_credentials *ssl_creds); |
| |
| #endif /* GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H */ |