Don't complain and fail about unknown TLSv1.3 PSK identities in s_server
An unknown PSK identity could be because its actually a session resumption
attempt. Sessions resumptions and external PSKs are indistinguishable so
the callbacks need to fail gracefully if they don't recognise the identity.
Fixes
@@ -193,9 +193,8 @@ static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
if (strlen(psk_identity) != identity_len
|| memcmp(psk_identity, identity, identity_len) != 0) {
- BIO_printf(bio_s_out,
- "PSK warning: client identity not what we expected"
- " (got '%s' expected '%s')\n", identity, psk_identity);
+ *sess = NULL;
+ return 1;
}
if (psksess != NULL) {
