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The client shall not enforce the use of client certificate with use_srtp extension

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This is server's task to request it if needed

Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
This commit is contained in:
Johan Pascal 2020-08-25 10:03:19 +02:00
parent 8526957cd5
commit a89ca8679f
1 changed files with 5 additions and 53 deletions
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58
library/ssl_cli.c
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@ -3469,20 +3469,8 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
if( ssl->client_auth == 0 )
{
#if defined(MBEDTLS_SSL_DTLS_SRTP)
/* check if we have a chosen srtp protection profile */
if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE )
{
ret = MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
}
else
{
#endif /* MBEDTLS_SSL_DTLS_SRTP */
/* Current message is probably the ServerHelloDone */
ssl->keep_current_message = 1;
#if defined(MBEDTLS_SSL_DTLS_SRTP)
}
#endif
/* Current message is probably the ServerHelloDone */
ssl->keep_current_message = 1;
goto exit;
}
@ -4129,45 +4117,9 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl )
if( ssl->client_auth == 0 || mbedtls_ssl_own_cert( ssl ) == NULL )
{
#if defined(MBEDTLS_SSL_DTLS_SRTP)
/*
* Check if we have a chosen srtp protection profile.
* According to RFC 5764 section 4.1 client certificate in dtls srtp
* is mandatory:
* Client Server
*
* ClientHello + use_srtp -------->
* ServerHello + use_srtp
* Certificate*
* ServerKeyExchange*
* ertificateRequest*
* <-------- ServerHelloDone
* Certificate*
* ClientKeyExchange
* CertificateVerify*
* [ChangeCipherSpec]
* Finished -------->
* [ChangeCipherSpec]
* <-------- Finished
* SRTP packets <-------> SRTP packets
*
* Note that '*' indicates messages that are not always sent in DTLS.
* The CertificateRequest, client and server Certificates, and
* CertificateVerify will be sent in DTLS-SRTP.
*/
if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE )
{
return ( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE );
}
else
{
#endif /* MBEDTLS_SSL_DTLS_SRTP */
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
ssl->state++;
return( 0 );
#if defined(MBEDTLS_SSL_DTLS_SRTP)
}
#endif
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
ssl->state++;
return( 0 );
}
if( mbedtls_ssl_own_key( ssl ) == NULL )