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fix wrong version header for tls1.3

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2021-10-29 17:19:41 +08:00
parent 4313d3ac87
commit 47413c2c8f
1 changed files with 11 additions and 4 deletions
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15
library/ssl_msg.c
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@ -2560,9 +2560,15 @@ int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl, uint8_t force_flush )
#endif
/* Skip writing the record content type to after the encryption,
* as it may change when using the CID extension. */
mbedtls_ssl_write_version( ssl->major_ver, ssl->minor_ver,
ssl->conf->transport, ssl->out_hdr + 1 );
int minor_ver = ssl->minor_ver;
#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
/* TLS 1.3 still uses the TLS 1.3 version identifier
* for backwards compatibility. */
if( minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 )
minor_ver = MBEDTLS_SSL_MINOR_VERSION_3;
#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
mbedtls_ssl_write_version( ssl->major_ver, minor_ver,
ssl->conf->transport, ssl->out_hdr + 1 );
memcpy( ssl->out_ctr, ssl->cur_out_ctr, MBEDTLS_SSL_SEQUENCE_NUMBER_LEN );
MBEDTLS_PUT_UINT16_BE( len, ssl->out_len, 0);
@ -2577,7 +2583,7 @@ int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl, uint8_t force_flush )
rec.data_offset = ssl->out_msg - rec.buf;
memcpy( &rec.ctr[0], ssl->out_ctr, sizeof( rec.ctr ) );
mbedtls_ssl_write_version( ssl->major_ver, ssl->minor_ver,
mbedtls_ssl_write_version( ssl->major_ver, minor_ver,
ssl->conf->transport, rec.ver );
rec.type = ssl->out_msgtype;
@ -5619,6 +5625,7 @@ static void ssl_buffering_free_slot( mbedtls_ssl_context *ssl,
void mbedtls_ssl_write_version( int major, int minor, int transport,
unsigned char ver[2] )
{
#if defined(MBEDTLS_SSL_PROTO_DTLS)
if( transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
{