This adds a way to use the last byte of the buffer to change the
behavior of the server. The last byte is used so that the existing
corpus can be reused either without changing it, or just adding a single
byte, and that it can still be used by other projects.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
GH: #2683
#ifndef OPENSSL_NO_DSA
DSA *dsakey = NULL;
#endif
+ uint8_t opt;
- if (len == 0)
+ if (len < 2)
return 0;
/*
out = BIO_new(BIO_s_mem());
SSL_set_bio(server, in, out);
SSL_set_accept_state(server);
+
+ opt = (uint8_t)buf[len-1];
+ len--;
+
OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
+
+ if ((opt & 0x01) != 0)
+ {
+ do {
+ char early_buf[16384];
+ size_t early_len;
+ ret = SSL_read_early_data(server, early_buf, sizeof(early_buf), &early_len);
+
+ if (ret != SSL_READ_EARLY_DATA_SUCCESS)
+ break;
+ } while (1);
+ }
+
if (SSL_do_handshake(server) == 1) {
/* Keep reading application data until error or EOF. */
uint8_t tmp[1024];