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Make alert sending function re-entrant

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Fixes #1916

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Hanno Becker 2018-08-06 11:35:16 +01:00 committed by Dave Rodgman
parent e29a837ed3
commit d9c66c0509
1 changed files with 3 additions and 3 deletions
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6
library/ssl_msg.c
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@ -4918,6 +4918,9 @@ int mbedtls_ssl_send_alert_message( mbedtls_ssl_context *ssl,
if( ssl == NULL || ssl->conf == NULL ) if( ssl == NULL || ssl->conf == NULL )
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
if( ssl->out_left != 0 )
return( mbedtls_ssl_flush_output( ssl ) );
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> send alert message" ) ); MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> send alert message" ) );
MBEDTLS_SSL_DEBUG_MSG( 3, ( "send alert level=%u message=%u", level, message )); MBEDTLS_SSL_DEBUG_MSG( 3, ( "send alert level=%u message=%u", level, message ));
@ -5790,9 +5793,6 @@ int mbedtls_ssl_close_notify( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write close notify" ) ); MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write close notify" ) );
if( ssl->out_left != 0 )
return( mbedtls_ssl_flush_output( ssl ) );
if( ssl->state == MBEDTLS_SSL_HANDSHAKE_OVER ) if( ssl->state == MBEDTLS_SSL_HANDSHAKE_OVER )
{ {
if( ( ret = mbedtls_ssl_send_alert_message( ssl, if( ( ret = mbedtls_ssl_send_alert_message( ssl,