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Add an option to s_client to send early_data

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Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2737)
This commit is contained in:
Matt Caswell 2017-02-20 16:00:20 +00:00
parent 0a87d0ac62
commit 923ac8271b
1 changed files with 40 additions and 2 deletions

42
apps/s_client.c

@ -547,7 +547,7 @@ typedef enum OPTION_choice {
OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
OPT_KEYLOG_FILE,
OPT_KEYLOG_FILE, OPT_EARLY_DATA,
OPT_V_ENUM,
OPT_X_ENUM,
OPT_S_ENUM,
@ -732,6 +732,7 @@ const OPTIONS s_client_options[] = {
{"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
#endif
{"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
{"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
{NULL, OPT_EOF, 0x00, NULL}
};
@ -895,7 +896,7 @@ int s_client_main(int argc, char **argv)
int c_status_req = 0;
#endif
BIO *bio_c_msg = NULL;
const char *keylog_file = NULL;
const char *keylog_file = NULL, *early_data_file = NULL;
FD_ZERO(&readfds);
FD_ZERO(&writefds);
@ -1371,6 +1372,9 @@ int s_client_main(int argc, char **argv)
case OPT_KEYLOG_FILE:
keylog_file = opt_arg();
break;
case OPT_EARLY_DATA:
early_data_file = opt_arg();
break;
}
}
if (count4or6 >= 2) {
@ -2355,6 +2359,40 @@ int s_client_main(int argc, char **argv)
break;
}
if (early_data_file != NULL) {
BIO *edfile = BIO_new_file(early_data_file, "r");
size_t readbytes, writtenbytes;
int finish = 0;
if (edfile == NULL) {
BIO_printf(bio_err, "Cannot open early data file\n");
goto shut;
}
while (!finish) {
if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
finish = 1;
while (finish ? !SSL_write_early_finish(con)
: !SSL_write_early(con, cbuf, readbytes,
&writtenbytes)) {
switch (SSL_get_error(con, 0)) {
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_ASYNC:
case SSL_ERROR_WANT_READ:
/* Just keep trying - busy waiting */
continue;
default:
BIO_printf(bio_err, "Error writing early data\n");
BIO_free(edfile);
goto shut;
}
}
}
BIO_free(edfile);
}
for (;;) {
FD_ZERO(&readfds);
FD_ZERO(&writefds);