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 = 7, 28 not_implemented = 8, 29 vla_insufficient_size = 9, 30 31 32 /*EDHOC specific errors*/ 33 /*todo implement error messages*/ 34 error_message_received = 101, 35 error_message_sent = 102, 36 37 sign_failed = 103, 38 sha_failed = 104, 39 40 unsupported_cipher_suite = 106, 41 unsupported_ecdh_curve = 107, 42 unsupported_signature_algorithm = 110, 43 44 signature_authentication_failed = 112, 45 mac_authentication_failed = 113, 46 certificate_authentication_failed = 115, 47 48 credential_not_found = 116, 49 no_such_ca = 117, 50 51 cbor_encoding_error = 119, 52 cbor_decoding_error = 120, 53 suites_i_list_to_long = 121, 54 xor_error = 122, 55 suites_i_list_empty = 123, 56 57 /*OSCORE specific errors*/ 58 not_oscore_pkt = 200, 59 first_request_after_reboot = 201, 60 echo_validation_failed = 202, 61 oscore_unknown_hkdf = 203, 62 token_mismatch = 204, 63 oscore_invalid_algorithm_aead = 205, 64 oscore_invalid_algorithm_hkdf = 206, 65 oscore_kid_recipient_id_mismatch = 207, 66 too_many_options = 208, 67 oscore_valuelen_to_long_error = 209, 68 oscore_inpkt_invalid_tkl = 210, 69 oscore_inpkt_invalid_option_delta = 211, 70 oscore_inpkt_invalid_optionlen = 212, 71 oscore_inpkt_invalid_piv = 213, 72 not_valid_input_packet = 214, 73 oscore_replay_window_protection_error = 215, 74 oscore_replay_notification_protection_error = 216, 75 no_echo_option = 217, 76 echo_val_mismatch = 218, 77 oscore_ssn_overflow = 219, 78 oscore_max_interactions = 220, 79 oscore_interaction_duplicated_token = 221, 80 oscore_interaction_not_found = 222, 81 oscore_wrong_uri_path = 223, 82 }; 83 84 /*This macro checks if a function returns an error and if so it propagates 85 the error to the caller function*/ 86 #define TRY(x) \ 87 do { \ 88 enum err retval = (x); \ 89 if (ok != retval) { \ 90 handle_runtime_error(retval, __FILE__, __LINE__); \ 91 return retval; \ 92 } \ 93 } while (0) 94 95 /* 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. */ 96 #define TRY_EXPECT(x, expected_result) \ 97 do { \ 98 int retval = (x); \ 99 if (retval != expected_result) { \ 100 handle_external_runtime_error(retval, __FILE__, \ 101 __LINE__); \ 102 return unexpected_result_from_ext_lib; \ 103 } \ 104 } while (0) 105 106 #endif 107
