Add max_early_data_size option for ssl_sever2
- to set max_early_data_set
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 69e6b81..dec50ee 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -129,6 +129,7 @@
#define DFL_SNI NULL
#define DFL_ALPN_STRING NULL
#define DFL_CURVES NULL
+#define DFL_MAX_EARLY_DATA_SIZE 0
#define DFL_SIG_ALGS NULL
#define DFL_DHM_FILE NULL
#define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM
@@ -424,6 +425,16 @@
#define USAGE_ECJPAKE ""
#endif
+#if defined(MBEDTLS_SSL_EARLY_DATA)
+#define USAGE_EARLY_DATA \
+ " max_early_data_size=%%d default: 0 (disabled)\n" \
+ " options: 0 (disabled), " \
+ " -1 (enabled, builtin max size), " \
+ " n > 0 (enabled, max amount data for 0-RTT )\n"
+#else
+#define USAGE_EARLY_DATA ""
+#endif /* MBEDTLS_SSL_EARLY_DATA */
+
#if defined(MBEDTLS_ECP_C)
#define USAGE_CURVES \
" curves=a,b,c,d default: \"default\" (library default)\n" \
@@ -680,6 +691,7 @@
const char *cid_val_renego; /* the CID to use for incoming messages
* after renegotiation */
int reproducible; /* make communication reproducible */
+ uint32_t max_early_data_size; /* max amount early data */
int query_config_mode; /* whether to read config */
int use_srtp; /* Support SRTP */
int force_srtp_profile; /* SRTP protection profile to use or all */
@@ -1695,6 +1707,7 @@
opt.sni = DFL_SNI;
opt.alpn_string = DFL_ALPN_STRING;
opt.curves = DFL_CURVES;
+ opt.max_early_data_size = DFL_MAX_EARLY_DATA_SIZE;
opt.sig_algs = DFL_SIG_ALGS;
opt.dhm_file = DFL_DHM_FILE;
opt.transport = DFL_TRANSPORT;
@@ -1891,6 +1904,12 @@
else if( strcmp( p, "sig_algs" ) == 0 )
opt.sig_algs = q;
#endif
+#if defined(MBEDTLS_SSL_EARLY_DATA)
+ else if( strcmp( p, "max_early_data_size" ) == 0 )
+ {
+ opt.max_early_data_size = atoi( q );
+ }
+#endif /* MBEDTLS_SSL_EARLY_DATA */
else if( strcmp( p, "renegotiation" ) == 0 )
{
opt.renegotiation = (atoi( q )) ?
@@ -2886,6 +2905,10 @@
if( opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST )
mbedtls_ssl_conf_cert_req_ca_list( &conf, opt.cert_req_ca_list );
+#if defined(MBEDTLS_SSL_EARLY_DATA)
+ mbedtls_ssl_tls13_conf_max_early_data_size( &conf, opt.max_early_data_size );
+#endif /* MBEDTLS_SSL_EARLY_DATA */
+
#if defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
/* exercise setting DN hints for server certificate request
* (Intended for use where the client cert expected has been signed by