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 /* All possible errors that EDHOC and OSCORE can have */ 17 enum err { 18 /*common errors*/ 19 ok = 0, 20 buffer_to_small = 1, 21 hkdf_failed = 2, 22 unexpected_result_from_ext_lib = 3, 23 wrong_parameter = 4, 24 crypto_operation_not_implemented = 5, 25 not_supported_feature = 6, 26 /*indicates that transport layer is not initialized*/ 27 transport_deinitialized = 6, 28 not_implemented = 7, 29 30 /*EDHOC specifc errors*/ 31 /*todo implement error messages*/ 32 error_message_received = 101, 33 error_message_sent = 102, 34 35 sign_failed = 103, 36 sha_failed = 104, 37 38 unsupported_cipher_suite = 106, 39 unsupported_ecdh_curve = 107, 40 unsupported_signature_algorithm = 110, 41 42 signature_authentication_failed = 112, 43 mac_authentication_failed = 113, 44 certificate_authentication_failed = 115, 45 46 credential_not_found = 116, 47 no_such_ca = 117, 48 49 cbor_encoding_error = 119, 50 cbor_decoding_error = 120, 51 suites_i_list_to_long = 121, 52 53 /*OSCORE specific errors*/ 54 not_oscore_pkt = 200, 55 first_request_after_reboot = 201, 56 echo_validation_failed = 202, 57 oscore_unknown_hkdf = 203, 58 token_mismatch = 204, 59 oscore_invalid_algorithm_aead = 205, 60 oscore_invalid_algorithm_hkdf = 206, 61 oscore_kid_recipient_id_mismatch = 207, 62 too_many_options = 208, 63 oscore_valuelen_to_long_error = 209, 64 oscore_inpkt_invalid_tkl = 210, 65 oscore_inpkt_invalid_option_delta = 211, 66 oscore_inpkt_invalid_optionlen = 212, 67 oscore_inpkt_invalid_piv = 213, 68 not_valid_input_packet = 214, 69 oscore_replay_window_protection_error = 215, 70 oscore_replay_notification_protection_error = 216, 71 no_echo_option = 217, 72 echo_val_mismatch = 218, 73 oscore_ssn_overflow = 219, 74 oscore_max_interactions = 220, 75 oscore_interaction_duplicated_token = 221, 76 oscore_interaction_not_found = 222, 77 oscore_wrong_uri_path = 223, 78 }; 79 80 /*This macro checks if a function returns an error and if so it propagates 81 the error to the caller function*/ 82 #define TRY(x) \ 83 do { \ 84 enum err retval = (x); \ 85 if (ok != retval) { \ 86 handle_runtime_error(retval, __FILE__, __LINE__); \ 87 return retval; \ 88 } \ 89 } while (0) 90 91 /* 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. */ 92 #define TRY_EXPECT(x, expected_result) \ 93 do { \ 94 int retval = (x); \ 95 if (retval != expected_result) { \ 96 handle_external_runtime_error(retval, __FILE__, \ 97 __LINE__); \ 98 return unexpected_result_from_ext_lib; \ 99 } \ 100 } while (0) 101 102 #endif 103
