mirror of
https://github.com/openssl/openssl.git
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b646179229
Reviewed-by: Neil Horman <nhorman@openssl.org>
Release: yes
(cherry picked from commit 0ce7d1f355)
Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24034)
289 lines
11 KiB
C
289 lines
11 KiB
C
/*
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* Copyright 2022-2024 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/ssl.h>
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#include <internal/quic_tserver.h>
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/* Type to represent the Fault Injector */
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typedef struct qtest_fault QTEST_FAULT;
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/*
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* Structure representing a parsed EncryptedExtension message. Listeners can
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* make changes to the contents of structure objects as required and the fault
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* injector will reconstruct the message to be sent on
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*/
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typedef struct qtest_fault_encrypted_extensions {
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/* EncryptedExtension messages just have an extensions block */
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unsigned char *extensions;
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size_t extensionslen;
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} QTEST_ENCRYPTED_EXTENSIONS;
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/* Flags for use with qtest_create_quic_objects() */
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/* Indicates whether we are using blocking mode or not */
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#define QTEST_FLAG_BLOCK (1 << 0)
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/* Use fake time rather than real time */
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#define QTEST_FLAG_FAKE_TIME (1 << 1)
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/* Introduce noise in the BIO */
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#define QTEST_FLAG_NOISE (1 << 2)
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/* Split datagrams such that each datagram contains one packet */
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#define QTEST_FLAG_PACKET_SPLIT (1 << 3)
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/* Turn on client side tracing */
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#define QTEST_FLAG_CLIENT_TRACE (1 << 4)
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/*
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* Given an SSL_CTX for the client and filenames for the server certificate and
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* keyfile, create a server and client instances as well as a fault injector
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* instance. |flags| is the logical or of flags defined above, or 0 if none.
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*/
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int qtest_create_quic_objects(OSSL_LIB_CTX *libctx, SSL_CTX *clientctx,
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SSL_CTX *serverctx, char *certfile, char *keyfile,
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int flags, QUIC_TSERVER **qtserv, SSL **cssl,
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QTEST_FAULT **fault, BIO **tracebio);
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/* Where QTEST_FLAG_FAKE_TIME is used, add millis to the current time */
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void qtest_add_time(uint64_t millis);
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/* Starts time measurement */
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void qtest_start_stopwatch(void);
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/* Returns the duration from the start in millis */
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uint64_t qtest_get_stopwatch_time(void);
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QTEST_FAULT *qtest_create_injector(QUIC_TSERVER *ts);
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BIO_METHOD *qtest_get_bio_method(void);
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/*
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* Free up a Fault Injector instance
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*/
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void qtest_fault_free(QTEST_FAULT *fault);
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/* Returns 1 if the quictestlib supports blocking tests */
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int qtest_supports_blocking(void);
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/*
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* Run the TLS handshake to create a QUIC connection between the client and
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* server.
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*/
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int qtest_create_quic_connection(QUIC_TSERVER *qtserv, SSL *clientssl);
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/*
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* Check if both client and server have no data to read and are waiting on a
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* timeout. If so, wait until the timeout has expired.
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*/
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int qtest_wait_for_timeout(SSL *s, QUIC_TSERVER *qtserv);
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/*
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* Same as qtest_create_quic_connection but will stop (successfully) if the
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* clientssl indicates SSL_ERROR_WANT_XXX as specified by |wanterr|
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*/
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int qtest_create_quic_connection_ex(QUIC_TSERVER *qtserv, SSL *clientssl,
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int wanterr);
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/*
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* Shutdown the client SSL object gracefully
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*/
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int qtest_shutdown(QUIC_TSERVER *qtserv, SSL *clientssl);
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/*
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* Confirm that the server has received the given transport error code.
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*/
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int qtest_check_server_transport_err(QUIC_TSERVER *qtserv, uint64_t code);
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/*
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* Confirm the server has received a protocol error. Equivalent to calling
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* qtest_check_server_transport_err with a code of QUIC_ERR_PROTOCOL_VIOLATION
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*/
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int qtest_check_server_protocol_err(QUIC_TSERVER *qtserv);
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/*
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* Confirm the server has received a frame encoding error. Equivalent to calling
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* qtest_check_server_transport_err with a code of QUIC_ERR_FRAME_ENCODING_ERROR
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*/
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int qtest_check_server_frame_encoding_err(QUIC_TSERVER *qtserv);
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/*
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* Enable tests to listen for pre-encryption QUIC packets being sent
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*/
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typedef int (*qtest_fault_on_packet_plain_cb)(QTEST_FAULT *fault,
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QUIC_PKT_HDR *hdr,
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unsigned char *buf,
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size_t len,
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void *cbarg);
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int qtest_fault_set_packet_plain_listener(QTEST_FAULT *fault,
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qtest_fault_on_packet_plain_cb pplaincb,
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void *pplaincbarg);
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/*
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* Helper function to be called from a packet_plain_listener callback if it
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* wants to resize the packet (either to add new data to it, or to truncate it).
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* The buf provided to packet_plain_listener is over allocated, so this just
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* changes the logical size and never changes the actual address of the buf.
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* This will fail if a large resize is attempted that exceeds the over
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* allocation.
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*/
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int qtest_fault_resize_plain_packet(QTEST_FAULT *fault, size_t newlen);
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/*
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* Prepend frame data into a packet. To be called from a packet_plain_listener
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* callback
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*/
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int qtest_fault_prepend_frame(QTEST_FAULT *fault, const unsigned char *frame,
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size_t frame_len);
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/*
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* The general handshake message listener is sent the entire handshake message
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* data block, including the handshake header itself
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*/
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typedef int (*qtest_fault_on_handshake_cb)(QTEST_FAULT *fault,
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unsigned char *msg,
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size_t msglen,
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void *handshakecbarg);
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int qtest_fault_set_handshake_listener(QTEST_FAULT *fault,
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qtest_fault_on_handshake_cb handshakecb,
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void *handshakecbarg);
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/*
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* Helper function to be called from a handshake_listener callback if it wants
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* to resize the handshake message (either to add new data to it, or to truncate
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* it). newlen must include the length of the handshake message header. The
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* handshake message buffer is over allocated, so this just changes the logical
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* size and never changes the actual address of the buf.
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* This will fail if a large resize is attempted that exceeds the over
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* allocation.
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*/
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int qtest_fault_resize_handshake(QTEST_FAULT *fault, size_t newlen);
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/*
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* Add listeners for specific types of frame here. E.g. we might
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* expect to see an "ACK" frame listener which will be passed pre-parsed ack
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* data that can be modified as required.
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*/
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/*
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* Handshake message specific listeners. Unlike the general handshake message
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* listener these messages are pre-parsed and supplied with message specific
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* data and exclude the handshake header
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*/
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typedef int (*qtest_fault_on_enc_ext_cb)(QTEST_FAULT *fault,
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QTEST_ENCRYPTED_EXTENSIONS *ee,
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size_t eelen,
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void *encextcbarg);
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int qtest_fault_set_hand_enc_ext_listener(QTEST_FAULT *fault,
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qtest_fault_on_enc_ext_cb encextcb,
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void *encextcbarg);
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/* Add listeners for other types of handshake message here */
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/*
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* Helper function to be called from message specific listener callbacks. newlen
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* is the new length of the specific message excluding the handshake message
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* header. The buffers provided to the message specific listeners are over
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* allocated, so this just changes the logical size and never changes the actual
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* address of the buffer. This will fail if a large resize is attempted that
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* exceeds the over allocation.
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*/
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int qtest_fault_resize_message(QTEST_FAULT *fault, size_t newlen);
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/*
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* Helper function to delete an extension from an extension block. |exttype| is
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* the type of the extension to be deleted. |ext| points to the extension block.
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* On entry |*extlen| contains the length of the extension block. It is updated
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* with the new length on exit. If old_ext is non-NULL, the deleted extension
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* is appended to the given BUF_MEM.
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*/
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int qtest_fault_delete_extension(QTEST_FAULT *fault,
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unsigned int exttype, unsigned char *ext,
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size_t *extlen,
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BUF_MEM *old_ext);
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/*
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* Add additional helper functions for querying extensions here (e.g.
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* finding or adding them). We could also provide a "listener" API for listening
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* for specific extension types
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*/
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/*
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* Enable tests to listen for post-encryption QUIC packets being sent
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*/
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typedef int (*qtest_fault_on_packet_cipher_cb)(QTEST_FAULT *fault,
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/* The parsed packet header */
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QUIC_PKT_HDR *hdr,
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/* The packet payload data */
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unsigned char *buf,
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/* Length of the payload */
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size_t len,
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void *cbarg);
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int qtest_fault_set_packet_cipher_listener(QTEST_FAULT *fault,
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qtest_fault_on_packet_cipher_cb pciphercb,
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void *picphercbarg);
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/*
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* Enable tests to listen for datagrams being sent
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*/
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typedef int (*qtest_fault_on_datagram_cb)(QTEST_FAULT *fault,
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BIO_MSG *m,
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size_t stride,
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void *cbarg);
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int qtest_fault_set_datagram_listener(QTEST_FAULT *fault,
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qtest_fault_on_datagram_cb datagramcb,
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void *datagramcbarg);
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/*
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* To be called from a datagram_listener callback. The datagram buffer is over
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* allocated, so this just changes the logical size and never changes the actual
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* address of the buffer. This will fail if a large resize is attempted that
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* exceeds the over allocation.
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*/
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int qtest_fault_resize_datagram(QTEST_FAULT *fault, size_t newlen);
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/*
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* Set bandwidth and noise rate on noisy dgram filter.
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* Arguments with values of 0 mean no limit/no noise.
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*/
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int qtest_fault_set_bw_limit(QTEST_FAULT *fault,
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size_t ctos_bw, size_t stoc_bw,
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int noise_rate);
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/* Copy a BIO_MSG */
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int bio_msg_copy(BIO_MSG *dst, BIO_MSG *src);
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#define BIO_CTRL_NOISE_BACK_OFF 1001
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#define BIO_CTRL_NOISE_RATE 1002
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#define BIO_CTRL_NOISE_RECV_BANDWIDTH 1003
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#define BIO_CTRL_NOISE_SEND_BANDWIDTH 1004
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#define BIO_CTRL_NOISE_SET_NOW_CB 1005
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struct bio_noise_now_cb_st {
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OSSL_TIME (*now_cb)(void *);
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void *now_cb_arg;
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};
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/* BIO filter for simulating a noisy UDP socket */
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const BIO_METHOD *bio_f_noisy_dgram_filter(void);
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/* Free the BIO filter method object */
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void bio_f_noisy_dgram_filter_free(void);
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/*
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* BIO filter for splitting QUIC datagrams containing multiple packets into
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* individual datagrams.
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*/
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const BIO_METHOD *bio_f_pkt_split_dgram_filter(void);
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/* Free the BIO filter method object */
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void bio_f_pkt_split_dgram_filter_free(void);
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