mirror of
https://github.com/yuzu-emu/mbedtls.git
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Merge branch 'iotssl-165-dtls-hs-fragmentation-new' into datagram_packing
This commit is contained in:
Hanno Becker
commit
6aeaa05a95
@ -3,6 +3,10 @@ mbed TLS ChangeLog (Sorted per branch, date)
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= mbed TLS x.x.x branch released xxxx-xx-xx
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Features
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* Add support for fragmentation of outgoing DTLS handshake messages. This
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is controlled by the maximum fragment length as set locally or negotiated
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with the peer, as well as new per-connection MTU option, set using
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mbedtls_ssl_set_mtu().
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* Add support for fragmentation of outoing DTLS handshake messages.
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* Add support for packing multiple records within a single datagram,
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enabled by default.
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@ -958,10 +958,6 @@ struct mbedtls_ssl_config
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unsigned int dhm_min_bitlen; /*!< min. bit length of the DHM prime */
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#endif
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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uint16_t mtu; /*!< path mtu, used to fragment outoing messages */
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#endif
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unsigned char max_major_ver; /*!< max. major version used */
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unsigned char max_minor_ver; /*!< max. minor version used */
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unsigned char min_major_ver; /*!< min. major version used */
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@ -1123,6 +1119,10 @@ struct mbedtls_ssl_context
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unsigned char cur_out_ctr[8]; /*!< Outgoing record sequence number. */
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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uint16_t mtu; /*!< path mtu, used to fragment outgoing messages */
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#endif
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#if defined(MBEDTLS_ZLIB_SUPPORT)
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unsigned char *compress_buf; /*!< zlib data buffer */
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#endif
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@ -1385,6 +1385,46 @@ void mbedtls_ssl_set_bio( mbedtls_ssl_context *ssl,
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mbedtls_ssl_recv_t *f_recv,
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mbedtls_ssl_recv_timeout_t *f_recv_timeout );
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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/**
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* \brief Set the Maximum Tranport Unit (MTU).
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* Special value: 0 means unset (no limit).
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* This represents the maximum size of a datagram payload
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* handled by the transport layer (usually UDP) as determined
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* by the network link and stack. In practice, this controls
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* the maximum size datagram the DTLS layer will pass to the
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* \c f_send() callback set using \c mbedtls_ssl_set_bio().
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*
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* \note This can be called at any point during the connection, for
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* example when a PMTU estimate becomes available from other
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* sources, such as lower (or higher) protocol layers.
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*
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* \note This only controls the size of the packets we send.
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* Client-side, you can request the server to use smaller
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* records with \c mbedtls_ssl_conf_max_frag_len().
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*
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* \note If both a MTU and a maximum fragment length have been
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* configured (or negotiated with the peer), the resulting
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* lower limit (after translating the MTU setting to a limit
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* on the record content length) is used.
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*
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* \note This can only be used to decrease the maximum size
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* of datagrams sent. It cannot be used to increase the
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* maximum size of records over the limit set by
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* #MBEDTLS_SSL_OUT_CONTENT_LEN.
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*
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* \note Values lower than the current record layer expansion will
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* result in an error when trying to send data.
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*
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* \note Using record compression together with a non-zero MTU value
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* will result in an error when trying to send data.
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*
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* \param ssl SSL context
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* \param mtu Value of the path MTU in bytes
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*/
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void mbedtls_ssl_set_mtu( mbedtls_ssl_context *ssl, uint16_t mtu );
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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/**
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* \brief Set the timeout period for mbedtls_ssl_read()
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* (Default: no timeout.)
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@ -2466,35 +2506,6 @@ void mbedtls_ssl_conf_cert_req_ca_list( mbedtls_ssl_config *conf,
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char cert_req_ca_list );
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#endif /* MBEDTLS_SSL_SRV_C */
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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/**
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* \brief Set the Maximum Tranport Unit (MTU).
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* Special value: 0 means unset (no limit).
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* This represents the maximum size of a datagram payload
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* handled by the transport layer (usually UDP) as determined
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* by the network link and stack. In practice, this controls
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* the maximum size datagram the DTLS layer will pass to the
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* \c f_send() callback set using \c mbedtls_ssl_set_bio().
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*
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* \note This only controls the size of the packet we send.
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* Client-side, you can request the server to use smaller
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* records with \c mbedtls_conf_max_frag_len().
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*
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* \note If both a MTU and a maximum fragment length have been
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* configured (or negotiated with the peer), the lower limit
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* is used.
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*
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* \note Values larger than \c MBEDTLS_SSL_OUT_CONTENT_LEN have no
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* effect. This can only be used to decrease the maximum size
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* of datagrams sent. Values lower than record layer expansion
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* are ignored.
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*
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* \param conf SSL configuration
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* \param mtu Value of the path MTU in bytes
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*/
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void mbedtls_ssl_conf_mtu( mbedtls_ssl_config *conf, uint16_t mtu );
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
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/**
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* \brief Set the maximum fragment length to emit and/or negotiate
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@ -2515,7 +2526,7 @@ void mbedtls_ssl_conf_mtu( mbedtls_ssl_config *conf, uint16_t mtu );
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*
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* \note For DTLS, it is also possible to set a limit for the total
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* size of daragrams passed to the transport layer, including
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* record overhead, see \c mbedtls_ssl_conf_mtu().
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* record overhead, see \c mbedtls_ssl_set_mtu().
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*
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* \param conf SSL configuration
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* \param mfl_code Code for maximum fragment length (allowed values:
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@ -2823,7 +2834,7 @@ size_t mbedtls_ssl_get_max_frag_len( const mbedtls_ssl_context *ssl );
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* \note This function is not available (always returns an error)
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* when record compression is enabled.
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*
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* \sa mbedtls_ssl_conf_mtu()
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* \sa mbedtls_ssl_set_mtu()
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* \sa mbedtls_ssl_get_max_frag_len()
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* \sa mbedtls_ssl_get_record_expansion()
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*
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@ -110,7 +110,7 @@ static void ssl_update_in_pointers( mbedtls_ssl_context *ssl,
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static uint16_t ssl_get_maximum_datagram_size( mbedtls_ssl_context const *ssl )
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{
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uint16_t mtu = ssl->conf->mtu;
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uint16_t mtu = ssl->mtu;
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if( mtu != 0 && mtu < MBEDTLS_SSL_OUT_BUFFER_LEN )
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return( (int) mtu );
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@ -3120,7 +3120,7 @@ void mbedtls_ssl_send_flight_completed( mbedtls_ssl_context *ssl )
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* - ssl->out_msg[0]: the handshake type (ClientHello, ServerHello, etc)
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* - ssl->out_msg + 4: the handshake message body
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*
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* Ouputs, ie state before passing to flight_append() or write_record():
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* Outputs, ie state before passing to flight_append() or write_record():
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* - ssl->out_msglen: the length of the record contents
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* (including handshake headers but excluding record headers)
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* - ssl->out_msg: the record contents (handshake headers + content)
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@ -6491,6 +6491,13 @@ void mbedtls_ssl_set_bio( mbedtls_ssl_context *ssl,
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ssl->f_recv_timeout = f_recv_timeout;
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}
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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void mbedtls_ssl_set_mtu( mbedtls_ssl_context *ssl, uint16_t mtu )
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{
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ssl->mtu = mtu;
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}
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#endif
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void mbedtls_ssl_conf_read_timeout( mbedtls_ssl_config *conf, uint32_t timeout )
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{
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conf->read_timeout = timeout;
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@ -6979,13 +6986,6 @@ void mbedtls_ssl_conf_arc4_support( mbedtls_ssl_config *conf, char arc4 )
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}
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#endif
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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void mbedtls_ssl_conf_mtu( mbedtls_ssl_config *conf, uint16_t mtu )
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{
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conf->mtu = mtu;
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}
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#endif
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#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
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int mbedtls_ssl_conf_max_frag_len( mbedtls_ssl_config *conf, unsigned char mfl_code )
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{
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@ -7322,9 +7322,9 @@ int mbedtls_ssl_get_max_out_record_payload( const mbedtls_ssl_context *ssl )
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#endif
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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if( ssl->conf->mtu != 0 )
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if( ssl->mtu != 0 )
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{
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const size_t mtu = ssl->conf->mtu;
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const size_t mtu = ssl->mtu;
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const int ret = mbedtls_ssl_get_record_expansion( ssl );
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const size_t overhead = (size_t) ret;
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@ -1353,9 +1353,6 @@ int main( int argc, char *argv[] )
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mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min,
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opt.hs_to_max );
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if( opt.dtls_mtu != DFL_DTLS_MTU )
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mbedtls_ssl_conf_mtu( &conf, opt.dtls_mtu );
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if( opt.dgram_packing != DFL_DGRAM_PACKING )
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mbedtls_ssl_conf_datagram_packing( &ssl, opt.dgram_packing );
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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@ -1516,6 +1513,11 @@ int main( int argc, char *argv[] )
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mbedtls_net_send, mbedtls_net_recv,
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opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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if( opt.dtls_mtu != DFL_DTLS_MTU )
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mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
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#endif
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#if defined(MBEDTLS_TIMING_C)
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mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
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mbedtls_timing_get_delay );
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@ -2181,9 +2181,6 @@ int main( int argc, char *argv[] )
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if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
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mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min, opt.hs_to_max );
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if( opt.dtls_mtu != DFL_DTLS_MTU )
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mbedtls_ssl_conf_mtu( &conf, opt.dtls_mtu );
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if( opt.dgram_packing != DFL_DGRAM_PACKING )
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mbedtls_ssl_conf_datagram_packing( &ssl, opt.dgram_packing );
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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@ -2505,6 +2502,11 @@ int main( int argc, char *argv[] )
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mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv,
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opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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if( opt.dtls_mtu != DFL_DTLS_MTU )
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mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
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#endif
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#if defined(MBEDTLS_TIMING_C)
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mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
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mbedtls_timing_get_delay );
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@ -5129,6 +5129,7 @@ requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
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requires_config_enabled MBEDTLS_RSA_C
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requires_config_enabled MBEDTLS_ECDSA_C
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run_test "DTLS fragmenting: both (MTU)" \
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-p "$P_PXY mtu=512" \
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"$P_SRV dtls=1 debug_level=2 auth_mode=required \
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crt_file=data_files/server7_int-ca.crt \
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key_file=data_files/server7.key \
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@ -5345,11 +5346,11 @@ run_test "DTLS fragmenting: proxy MTU + 3d" \
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"$P_SRV dgram_packing=0 dtls=1 debug_level=2 auth_mode=required \
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crt_file=data_files/server7_int-ca.crt \
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key_file=data_files/server7.key \
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mtu=512" \
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hs_timeout=250-10000 mtu=512" \
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"$P_CLI dgram_packing=0 dtls=1 debug_level=2 \
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crt_file=data_files/server8_int-ca2.crt \
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key_file=data_files/server8.key \
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mtu=512" \
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hs_timeout=250-10000 mtu=512" \
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0 \
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-s "found fragmented DTLS handshake message" \
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-c "found fragmented DTLS handshake message" \
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@ -5384,7 +5385,7 @@ run_test "DTLS fragmenting: gnutls server, DTLS 1.0" \
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"$P_CLI dtls=1 debug_level=2 \
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crt_file=data_files/server8_int-ca2.crt \
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key_file=data_files/server8.key \
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mtu=512 force_version=dtls1_2" \
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mtu=512 force_version=dtls1" \
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0 \
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-c "fragmenting handshake message" \
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-C "error"
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@ -5482,14 +5483,14 @@ requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
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requires_config_enabled MBEDTLS_RSA_C
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requires_config_enabled MBEDTLS_ECDSA_C
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requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
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client_needs_more_time 2
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client_needs_more_time 4
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run_test "DTLS fragmenting: 3d, gnutls server, DTLS 1.2" \
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-p "$P_PXY drop=8 delay=8 duplicate=8" \
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"$G_NEXT_SRV -u" \
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"$P_CLI dgram_packing=0 dtls=1 debug_level=2 \
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crt_file=data_files/server8_int-ca2.crt \
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key_file=data_files/server8.key \
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mtu=512 force_version=dtls1_2" \
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hs_timeout=250-60000 mtu=512 force_version=dtls1_2" \
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0 \
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-c "fragmenting handshake message" \
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-C "error"
|
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@ -5499,14 +5500,14 @@ requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
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requires_config_enabled MBEDTLS_RSA_C
|
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requires_config_enabled MBEDTLS_ECDSA_C
|
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requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_1
|
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client_needs_more_time 2
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client_needs_more_time 4
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run_test "DTLS fragmenting: 3d, gnutls server, DTLS 1.0" \
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-p "$P_PXY drop=8 delay=8 duplicate=8" \
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"$G_NEXT_SRV -u" \
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"$P_CLI dgram_packing=0 dtls=1 debug_level=2 \
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crt_file=data_files/server8_int-ca2.crt \
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key_file=data_files/server8.key \
|
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mtu=512 force_version=dtls1_2" \
|
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hs_timeout=250-60000 mtu=512 force_version=dtls1" \
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0 \
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-c "fragmenting handshake message" \
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-C "error"
|
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@ -5523,13 +5524,13 @@ run_test "DTLS fragmenting: 3d, gnutls server, DTLS 1.0" \
|
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## requires_config_enabled MBEDTLS_RSA_C
|
||||
## requires_config_enabled MBEDTLS_ECDSA_C
|
||||
## requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
|
||||
## client_needs_more_time 2
|
||||
## client_needs_more_time 4
|
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## run_test "DTLS fragmenting: 3d, gnutls client, DTLS 1.2" \
|
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## -p "$P_PXY drop=8 delay=8 duplicate=8" \
|
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## "$P_SRV dtls=1 debug_level=2 server_addr=::1 \
|
||||
## crt_file=data_files/server7_int-ca.crt \
|
||||
## key_file=data_files/server7.key \
|
||||
## mtu=512 force_version=dtls1_2" \
|
||||
## hs_timeout=250-60000 mtu=512 force_version=dtls1_2" \
|
||||
## "$G_CLI -u" \
|
||||
## 0 \
|
||||
## -s "fragmenting handshake message"
|
||||
@ -5540,13 +5541,13 @@ run_test "DTLS fragmenting: 3d, gnutls server, DTLS 1.0" \
|
||||
## requires_config_enabled MBEDTLS_RSA_C
|
||||
## requires_config_enabled MBEDTLS_ECDSA_C
|
||||
## requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_1
|
||||
## client_needs_more_time 2
|
||||
## client_needs_more_time 4
|
||||
## run_test "DTLS fragmenting: 3d, gnutls client, DTLS 1.0" \
|
||||
## -p "$P_PXY drop=8 delay=8 duplicate=8" \
|
||||
## "$P_SRV dtls=1 debug_level=2 server_addr=::1 \
|
||||
## crt_file=data_files/server7_int-ca.crt \
|
||||
## key_file=data_files/server7.key \
|
||||
## mtu=512 force_version=dtls1" \
|
||||
## hs_timeout=250-60000 mtu=512 force_version=dtls1" \
|
||||
## "$G_CLI -u" \
|
||||
## 0 \
|
||||
## -s "fragmenting handshake message"
|
||||
@ -5563,14 +5564,14 @@ run_test "DTLS fragmenting: 3d, gnutls server, DTLS 1.0" \
|
||||
## requires_config_enabled MBEDTLS_RSA_C
|
||||
## requires_config_enabled MBEDTLS_ECDSA_C
|
||||
## requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
|
||||
## client_needs_more_time 2
|
||||
## client_needs_more_time 4
|
||||
## run_test "DTLS fragmenting: 3d, openssl server, DTLS 1.2" \
|
||||
## -p "$P_PXY drop=8 delay=8 duplicate=8" \
|
||||
## "$O_SRV -dtls1_2 -verify 10" \
|
||||
## "$P_CLI dtls=1 debug_level=2 \
|
||||
## crt_file=data_files/server8_int-ca2.crt \
|
||||
## key_file=data_files/server8.key \
|
||||
## mtu=512 force_version=dtls1_2" \
|
||||
## hs_timeout=250-60000 mtu=512 force_version=dtls1_2" \
|
||||
## 0 \
|
||||
## -c "fragmenting handshake message" \
|
||||
## -C "error"
|
||||
@ -5580,14 +5581,14 @@ requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
|
||||
requires_config_enabled MBEDTLS_RSA_C
|
||||
requires_config_enabled MBEDTLS_ECDSA_C
|
||||
requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_1
|
||||
client_needs_more_time 2
|
||||
client_needs_more_time 4
|
||||
run_test "DTLS fragmenting: 3d, openssl server, DTLS 1.0" \
|
||||
-p "$P_PXY drop=8 delay=8 duplicate=8" \
|
||||
"$O_LEGACY_SRV -dtls1 -verify 10" \
|
||||
"$P_CLI dgram_packing=0 dtls=1 debug_level=2 \
|
||||
crt_file=data_files/server8_int-ca2.crt \
|
||||
key_file=data_files/server8.key \
|
||||
mtu=512 force_version=dtls1" \
|
||||
hs_timeout=250-60000 mtu=512 force_version=dtls1" \
|
||||
0 \
|
||||
-c "fragmenting handshake message" \
|
||||
-C "error"
|
||||
@ -5597,13 +5598,13 @@ run_test "DTLS fragmenting: 3d, openssl server, DTLS 1.0" \
|
||||
## requires_config_enabled MBEDTLS_RSA_C
|
||||
## requires_config_enabled MBEDTLS_ECDSA_C
|
||||
## requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
|
||||
## client_needs_more_time 2
|
||||
## client_needs_more_time 4
|
||||
## run_test "DTLS fragmenting: 3d, openssl client, DTLS 1.2" \
|
||||
## -p "$P_PXY drop=8 delay=8 duplicate=8" \
|
||||
## "$P_SRV dtls=1 debug_level=2 \
|
||||
## crt_file=data_files/server7_int-ca.crt \
|
||||
## key_file=data_files/server7.key \
|
||||
## mtu=512 force_version=dtls1_2" \
|
||||
## hs_timeout=250-60000 mtu=512 force_version=dtls1_2" \
|
||||
## "$O_CLI -dtls1_2" \
|
||||
## 0 \
|
||||
## -s "fragmenting handshake message"
|
||||
@ -5615,13 +5616,13 @@ requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
|
||||
requires_config_enabled MBEDTLS_RSA_C
|
||||
requires_config_enabled MBEDTLS_ECDSA_C
|
||||
requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_1
|
||||
client_needs_more_time 2
|
||||
client_needs_more_time 4
|
||||
run_test "DTLS fragmenting: 3d, openssl client, DTLS 1.0" \
|
||||
-p "$P_PXY drop=8 delay=8 duplicate=8" \
|
||||
"$P_SRV dgram_packing=0 dtls=1 debug_level=2 \
|
||||
crt_file=data_files/server7_int-ca.crt \
|
||||
key_file=data_files/server7.key \
|
||||
mtu=512 force_version=dtls1" \
|
||||
hs_timeout=250-60000 mtu=512 force_version=dtls1" \
|
||||
"$O_LEGACY_CLI -nbio -dtls1" \
|
||||
0 \
|
||||
-s "fragmenting handshake message"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user