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authorBodo Moeller <bodo@openssl.org>2014-10-15 04:18:29 +0200
committerBodo Moeller <bodo@openssl.org>2014-10-15 04:18:29 +0200
commitc6a876473cbff0fd323c8abcaace98ee2d21863d (patch)
treee27388ca48f3cc5c4306e0ffee56e592e07fe661 /apps
parent5a7fc89394bb11dc8ac578d23d77762d2d58fff2 (diff)
Support TLS_FALLBACK_SCSV.
Reviewed-by: Stephen Henson <steve@openssl.org>
Diffstat (limited to 'apps')
-rw-r--r--apps/s_client.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/apps/s_client.c b/apps/s_client.c
index 54a32ece6b..2a343ffc25 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -226,6 +226,7 @@ static void sc_usage(void)
BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
BIO_printf(bio_err," -tls1 - just use TLSv1\n");
BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
+ BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
BIO_printf(bio_err," -mtu - set the link layer MTU\n");
BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
@@ -339,6 +340,7 @@ int MAIN(int argc, char **argv)
char *sess_out = NULL;
struct sockaddr peer;
int peerlen = sizeof(peer);
+ int fallback_scsv = 0;
int enable_timeouts = 0 ;
long socket_mtu = 0;
#ifndef OPENSSL_NO_JPAKE
@@ -480,6 +482,10 @@ int MAIN(int argc, char **argv)
meth=DTLSv1_client_method();
sock_type=SOCK_DGRAM;
}
+ else if (strcmp(*argv,"-fallback_scsv") == 0)
+ {
+ fallback_scsv = 1;
+ }
else if (strcmp(*argv,"-timeout") == 0)
enable_timeouts=1;
else if (strcmp(*argv,"-mtu") == 0)
@@ -778,6 +784,10 @@ bad:
SSL_set_session(con, sess);
SSL_SESSION_free(sess);
}
+
+ if (fallback_scsv)
+ SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
+
#ifndef OPENSSL_NO_TLSEXT
if (servername != NULL)
{