lib/mbedtls
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tls: Add overread/overwrite check failure tracking

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Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron
2022-06-10 17:18:09 +02:00
parent e3dac4aaa1
commit ad8c17b9c6
2 changed files with 51 additions and 0 deletions
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26
library/ssl_tls.c
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@ -58,6 +58,30 @@
#include "mbedtls/oid.h"
#endif
#if defined(MBEDTLS_TEST_HOOKS)
static mbedtls_ssl_chk_buf_ptr_args chk_buf_ptr_fail_args;
void mbedtls_ssl_set_chk_buf_ptr_fail_args(
const uint8_t *cur, const uint8_t *end, size_t need )
{
chk_buf_ptr_fail_args.cur = cur;
chk_buf_ptr_fail_args.end = end;
chk_buf_ptr_fail_args.need = need;
}
void mbedtls_ssl_reset_chk_buf_ptr_fail_args( void )
{
memset( &chk_buf_ptr_fail_args, 0, sizeof( chk_buf_ptr_fail_args ) );
}
int mbedtls_ssl_cmp_chk_buf_ptr_fail_args( mbedtls_ssl_chk_buf_ptr_args *args )
{
return( ( chk_buf_ptr_fail_args.cur != args->cur ) ||
( chk_buf_ptr_fail_args.end != args->end ) ||
( chk_buf_ptr_fail_args.need != args->need ) );
}
#endif /* MBEDTLS_TEST_HOOKS */
#if defined(MBEDTLS_SSL_PROTO_DTLS)
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
@ -1103,6 +1127,8 @@ void mbedtls_ssl_session_reset_msg_layer( mbedtls_ssl_context *ssl,
memset( ssl->in_buf, 0, in_buf_len );
}
ssl->send_alert = 0;
/* Reset outgoing message writing */
ssl->out_msgtype = 0;
ssl->out_msglen = 0;