1 /* 2 * 3 * Copyright 2018 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 "test/core/tsi/alts/crypt/gsec_test_util.h" 20 21 #include <time.h> 22 23 #include <grpc/support/alloc.h> 24 25 void gsec_test_random_bytes(uint8_t* bytes, size_t length) { 26 srand(time(nullptr)); 27 size_t ind; 28 for (ind = 0; ind < length; ind++) { 29 bytes[ind] = static_cast<uint8_t>(rand() % 255 + 1); 30 } 31 } 32 33 void gsec_test_random_array(uint8_t** bytes, size_t length) { 34 if (bytes != nullptr) { 35 *bytes = static_cast<uint8_t*>(gpr_malloc(length)); 36 gsec_test_random_bytes(*bytes, length); 37 } else { 38 fprintf(stderr, "bytes buffer is nullptr in gsec_test_random_array()."); 39 abort(); 40 } 41 } 42 43 uint32_t gsec_test_bias_random_uint32(uint32_t max_length) { 44 uint32_t value; 45 gsec_test_random_bytes((uint8_t*)(&value), sizeof(value)); 46 return value % max_length; 47 } 48 49 void gsec_test_copy(const uint8_t* src, uint8_t** des, size_t source_len) { 50 if (src != nullptr && des != nullptr) { 51 *des = static_cast<uint8_t*>(gpr_malloc(source_len)); 52 memcpy(*des, src, source_len); 53 } else { 54 fprintf(stderr, "Either src or des buffer is nullptr in gsec_test_copy()."); 55 abort(); 56 } 57 } 58 59 void gsec_test_copy_and_alter_random_byte(const uint8_t* src, uint8_t** des, 60 size_t source_len) { 61 if (src != nullptr && des != nullptr) { 62 *des = static_cast<uint8_t*>(gpr_malloc(source_len)); 63 memcpy(*des, src, source_len); 64 uint32_t offset; 65 offset = gsec_test_bias_random_uint32(static_cast<uint32_t>(source_len)); 66 (*(*des + offset))++; 67 } else { 68 fprintf(stderr, 69 "Either src or des is nullptr in " 70 "gsec_test_copy_and_alter_random_byte()."); 71 abort(); 72 } 73 } 74 75 int gsec_test_expect_compare_code_and_substr(grpc_status_code status1, 76 grpc_status_code status2, 77 const char* msg1, 78 const char* msg2) { 79 int failure = 1; 80 if (status1 != status2) { 81 fprintf(stderr, "Status %d does not equal %d.\n", status1, status2); 82 failure = 0; 83 } 84 if (strstr(msg1, msg2) == nullptr) { 85 fprintf(stderr, "Status message <%s> does not contain <%s>.\n", msg1, msg2); 86 failure = 0; 87 } 88 return failure; 89 } 90
