Julien Boeuf | 9f218dd | 2015-04-23 10:24:02 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2015, Google Inc. |
| 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 <string.h> |
| 35 | |
| 36 | #include "src/core/security/context.h" |
| 37 | #include "src/core/surface/call.h" |
| 38 | |
| 39 | #include <grpc/grpc_security.h> |
| 40 | #include <grpc/support/alloc.h> |
| 41 | #include <grpc/support/log.h> |
| 42 | |
| 43 | grpc_call_error grpc_call_set_credentials(grpc_call *call, |
| 44 | grpc_credentials *creds) { |
| 45 | grpc_client_security_context *ctx = NULL; |
| 46 | if (!grpc_call_is_client(call)) { |
| 47 | gpr_log(GPR_ERROR, "Method is client-side only."); |
| 48 | return GRPC_CALL_ERROR_NOT_ON_SERVER; |
| 49 | } |
| 50 | if (creds != NULL && !grpc_credentials_has_request_metadata_only(creds)) { |
| 51 | gpr_log(GPR_ERROR, "Incompatible credentials to set on a call."); |
| 52 | return GRPC_CALL_ERROR; |
| 53 | } |
| 54 | ctx = (grpc_client_security_context *)grpc_call_context_get( |
| 55 | call, GRPC_CONTEXT_SECURITY); |
| 56 | if (ctx == NULL) { |
| 57 | ctx = grpc_client_security_context_create(); |
| 58 | ctx->creds = grpc_credentials_ref(creds); |
| 59 | grpc_call_context_set(call, GRPC_CONTEXT_SECURITY, ctx, |
| 60 | grpc_client_security_context_destroy); |
| 61 | } else { |
| 62 | grpc_credentials_unref(ctx->creds); |
| 63 | ctx->creds = grpc_credentials_ref(creds); |
| 64 | } |
| 65 | return GRPC_CALL_OK; |
| 66 | } |
| 67 | |
| 68 | grpc_client_security_context *grpc_client_security_context_create(void) { |
| 69 | grpc_client_security_context *ctx = |
| 70 | gpr_malloc(sizeof(grpc_client_security_context)); |
| 71 | memset(ctx, 0, sizeof(grpc_client_security_context)); |
| 72 | return ctx; |
| 73 | } |
| 74 | |
| 75 | void grpc_client_security_context_destroy(void *ctx) { |
| 76 | grpc_client_security_context *c = (grpc_client_security_context *)ctx; |
| 77 | grpc_credentials_unref(c->creds); |
| 78 | gpr_free(ctx); |
| 79 | } |