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Merge pull request #5717 from daverodgman/backport_2.28-alert_reentrant

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Backport 2.28 - make mbedtls_ssl_send_alert_message() reentrant
This commit is contained in:
Gilles Peskine
2022-04-12 11:05:26 +02:00
committed by GitHub
parent 50b677d9e5 28fd4cd8e9
commit d81b5ae238
2 changed files with 8 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 )
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( 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" ) );
if( ssl->out_left != 0 )
return( mbedtls_ssl_flush_output( ssl ) );
if( ssl->state == MBEDTLS_SSL_HANDSHAKE_OVER )
{
if( ( ret = mbedtls_ssl_send_alert_message( ssl,