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      1 /*
      2  * Copyright 2022-2025 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the Apache License 2.0 (the "License").  You may not use
      5  * this file except in compliance with the License.  You can obtain a copy
      6  * in the file LICENSE in the source distribution or at
      7  * https://www.openssl.org/source/license.html
      8  */
      9 
     10 #ifndef OPENSSL_QUIC_H
     11 #define OPENSSL_QUIC_H
     12 #pragma once
     13 
     14 #include <openssl/macros.h>
     15 #include <openssl/ssl.h>
     16 
     17 #ifndef OPENSSL_NO_QUIC
     18 
     19 #ifdef __cplusplus
     20 extern "C" {
     21 #endif
     22 
     23 /*
     24  * Method used for non-thread-assisted QUIC client operation.
     25  */
     26 __owur const SSL_METHOD *OSSL_QUIC_client_method(void);
     27 
     28 /*
     29  * Method used for thread-assisted QUIC client operation.
     30  */
     31 __owur const SSL_METHOD *OSSL_QUIC_client_thread_method(void);
     32 
     33 /*
     34  * QUIC transport error codes (RFC 9000 s. 20.1)
     35  */
     36 #define OSSL_QUIC_ERR_NO_ERROR 0x00
     37 #define OSSL_QUIC_ERR_INTERNAL_ERROR 0x01
     38 #define OSSL_QUIC_ERR_CONNECTION_REFUSED 0x02
     39 #define OSSL_QUIC_ERR_FLOW_CONTROL_ERROR 0x03
     40 #define OSSL_QUIC_ERR_STREAM_LIMIT_ERROR 0x04
     41 #define OSSL_QUIC_ERR_STREAM_STATE_ERROR 0x05
     42 #define OSSL_QUIC_ERR_FINAL_SIZE_ERROR 0x06
     43 #define OSSL_QUIC_ERR_FRAME_ENCODING_ERROR 0x07
     44 #define OSSL_QUIC_ERR_TRANSPORT_PARAMETER_ERROR 0x08
     45 #define OSSL_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR 0x09
     46 #define OSSL_QUIC_ERR_PROTOCOL_VIOLATION 0x0A
     47 #define OSSL_QUIC_ERR_INVALID_TOKEN 0x0B
     48 #define OSSL_QUIC_ERR_APPLICATION_ERROR 0x0C
     49 #define OSSL_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED 0x0D
     50 #define OSSL_QUIC_ERR_KEY_UPDATE_ERROR 0x0E
     51 #define OSSL_QUIC_ERR_AEAD_LIMIT_REACHED 0x0F
     52 #define OSSL_QUIC_ERR_NO_VIABLE_PATH 0x10
     53 
     54 /* Inclusive range for handshake-specific errors. */
     55 #define OSSL_QUIC_ERR_CRYPTO_ERR_BEGIN 0x0100
     56 #define OSSL_QUIC_ERR_CRYPTO_ERR_END 0x01FF
     57 
     58 #define OSSL_QUIC_ERR_CRYPTO_ERR(X) \
     59     (OSSL_QUIC_ERR_CRYPTO_ERR_BEGIN + (X))
     60 
     61 /* Local errors. */
     62 #define OSSL_QUIC_LOCAL_ERR_IDLE_TIMEOUT \
     63     ((uint64_t)0xFFFFFFFFFFFFFFFFULL)
     64 
     65 /*
     66  * Method used for QUIC server operation.
     67  */
     68 __owur const SSL_METHOD *OSSL_QUIC_server_method(void);
     69 
     70 #ifdef __cplusplus
     71 }
     72 #endif
     73 
     74 #endif /* OPENSSL_NO_QUIC */
     75 #endif
     76