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Fix handling of long PSK identities

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fixes #238
This commit is contained in:
Manuel Pégourié-Gonnard 2015-08-27 16:37:35 +02:00
parent ea35666f50
commit c6b5d833ec
3 changed files with 32 additions and 0 deletions
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7
library/ssl_tls.c
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@ -5457,6 +5457,13 @@ int mbedtls_ssl_conf_psk( mbedtls_ssl_config *conf,
if( psk_len > MBEDTLS_PSK_MAX_LEN )
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
/* Identity len will be encoded on two bytes */
if( ( psk_identity_len >> 16 ) != 0 ||
psk_identity_len > MBEDTLS_SSL_MAX_CONTENT_LEN )
{
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}
if( conf->psk != NULL || conf->psk_identity != NULL )
{
mbedtls_free( conf->psk );