1 /* 2 Copyright (c) 2021 Fraunhofer AISEC. See the COPYRIGHT 3 file at the top-level directory of this distribution. 4 5 Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or 6 http://www.apache.org/licenses/LICENSE-2.0> or the MIT license 7 <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your 8 option. This file may not be copied, modified, or distributed 9 except according to those terms. 10 */ 11 12 #ifndef ERROR_H 13 #define ERROR_H 14 #include "print_util.h" 15 16 #define RED "\x1B[31m" 17 #define RESET "\033[0m" 18 19 /* All possible errors that EDHOC and OSCORE can have */ 20 enum err { 21 /*common errors*/ 22 ok = 0, 23 buffer_to_small = 1, 24 hkdf_fialed = 2, 25 unexpected_result_from_ext_lib = 3, 26 wrong_parameter = 4, 27 crypto_operation_not_implemented = 5, 28 29 /*EDHOC specifc errors*/ 30 /*todo implement error messages*/ 31 error_message_received = 101, 32 error_message_sent = 102, 33 34 sign_failed = 103, 35 sha_failed = 104, 36 37 unsupported_cipher_suite = 106, 38 unsupported_ecdh_curve = 107, 39 unsupported_signature_algorithm = 110, 40 41 signature_authentication_failed = 112, 42 mac_authentication_failed = 113, 43 certificate_authentication_failed = 115, 44 45 credential_not_found = 116, 46 no_such_ca = 117, 47 48 cbor_encoding_error = 119, 49 suites_i_list_to_long = 121, 50 51 /*OSCORE specific errors*/ 52 oscore_unknown_hkdf = 202, 53 oscore_invalid_algorithm_aead = 204, 54 oscore_invalid_algorithm_hkdf = 205, 55 oscore_kid_recipent_id_mismatch = 206, 56 oscore_valuelen_to_long_error = 208, 57 oscore_inpkt_invalid_tkl = 209, 58 oscore_inpkt_invalid_option_delta = 210, 59 oscore_inpkt_invalid_optionlen = 211, 60 oscore_inpkt_invalid_piv = 212, 61 delta_extra_byte_error = 215, 62 len_extra_byte_error = 216, 63 not_valid_input_packet = 218, 64 replayed_packed_received = 219, 65 66 }; 67 68 /*This macro checks if a function returns an error and if so it propages 69 the error to the caller function*/ 70 #define TRY(x) \ 71 do { \ 72 enum err retval = (x); \ 73 if (retval != ok) { \ 74 PRINTF(RED \ 75 "Runtime error: %s error code %d at %s:%d\n\n" RESET, \ 76 #x, retval, __FILE__, __LINE__); \ 77 return retval; \ 78 } \ 79 } while (0) 80 81 /* This macro checks if a function belonging to an external library returns an expected result or an error. If an error is returned the macro returns unexpected_result_from_ext_lib. */ 82 #define TRY_EXPECT(x, expected_result) \ 83 do { \ 84 int retval = (x); \ 85 if (retval != expected_result) { \ 86 PRINTF(RED \ 87 "Runtime error: %s error code %d at %s:%d\n\n" RESET, \ 88 #x, retval, __FILE__, __LINE__); \ 89 return unexpected_result_from_ext_lib; \ 90 } \ 91 } while (0) 92 93 #endif 94
