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-rw-r--r--apps/s_client.c72
1 files changed, 67 insertions, 5 deletions
diff --git a/apps/s_client.c b/apps/s_client.c
index dc3bb0b..e8e1c6d 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -335,6 +335,7 @@ static void sc_usage(void)
BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\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_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
@@ -357,13 +358,16 @@ static void sc_usage(void)
BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
BIO_printf(bio_err," -status - request certificate status from server\n");
BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
- BIO_printf(bio_err," -cutthrough - enable 1-RTT full-handshake for strong ciphers\n");
-# if !defined(OPENSSL_NO_NEXTPROTONEG)
+# ifndef OPENSSL_NO_NEXTPROTONEG
BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
+ BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
# endif
#endif
+ BIO_printf(bio_err," -cutthrough - enable 1-RTT full-handshake for strong ciphers\n");
BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
+#ifndef OPENSSL_NO_SRTP
BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
+#endif
BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
}
@@ -503,7 +507,9 @@ static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
}
#endif
+#ifndef OPENSSL_NO_SRTP
char *srtp_profiles = NULL;
+#endif
# ifndef OPENSSL_NO_NEXTPROTONEG
/* This the context that we pass to next_proto_cb */
@@ -537,7 +543,7 @@ static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, con
ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
return SSL_TLSEXT_ERR_OK;
}
-# endif
+# endif /* ndef OPENSSL_NO_NEXTPROTONEG */
#endif
enum
@@ -607,12 +613,14 @@ int MAIN(int argc, char **argv)
{NULL,0};
# ifndef OPENSSL_NO_NEXTPROTONEG
const char *next_proto_neg_in = NULL;
+ const char *alpn_in = NULL;
# endif
#endif
char *sess_in = NULL;
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
@@ -819,6 +827,10 @@ int MAIN(int argc, char **argv)
meth=DTLSv1_client_method();
socket_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)
@@ -879,6 +891,11 @@ int MAIN(int argc, char **argv)
if (--argc < 1) goto bad;
next_proto_neg_in = *(++argv);
}
+ else if (strcmp(*argv,"-alpn") == 0)
+ {
+ if (--argc < 1) goto bad;
+ alpn_in = *(++argv);
+ }
# endif
#endif
else if (strcmp(*argv,"-cutthrough") == 0)
@@ -949,11 +966,13 @@ int MAIN(int argc, char **argv)
jpake_secret = *++argv;
}
#endif
+#ifndef OPENSSL_NO_SRTP
else if (strcmp(*argv,"-use_srtp") == 0)
{
if (--argc < 1) goto bad;
srtp_profiles = *(++argv);
}
+#endif
else if (strcmp(*argv,"-keymatexport") == 0)
{
if (--argc < 1) goto bad;
@@ -1134,6 +1153,8 @@ bad:
BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
}
+#endif
+#ifndef OPENSSL_NO_SRTP
if (srtp_profiles != NULL)
SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
#endif
@@ -1149,9 +1170,23 @@ bad:
*/
if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
-#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+#if !defined(OPENSSL_NO_TLSEXT)
+# if !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.data)
SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
+# endif
+ if (alpn_in)
+ {
+ unsigned short alpn_len;
+ unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
+
+ if (alpn == NULL)
+ {
+ BIO_printf(bio_err, "Error parsing -alpn argument\n");
+ goto end;
+ }
+ SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
+ }
#endif
/* Enable handshake cutthrough for client connections using
@@ -1238,6 +1273,10 @@ 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)
{
@@ -1903,6 +1942,10 @@ end:
print_stuff(bio_c_out,con,1);
SSL_free(con);
}
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+ if (next_proto.data)
+ OPENSSL_free(next_proto.data);
+#endif
if (ctx != NULL) SSL_CTX_free(ctx);
if (cert)
X509_free(cert);
@@ -1910,6 +1953,8 @@ end:
EVP_PKEY_free(key);
if (pass)
OPENSSL_free(pass);
+ if (vpm)
+ X509_VERIFY_PARAM_free(vpm);
if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
@@ -2063,7 +2108,8 @@ static void print_stuff(BIO *bio, SSL *s, int full)
}
#endif
-#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+#if !defined(OPENSSL_NO_TLSEXT)
+# if !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.status != -1) {
const unsigned char *proto;
unsigned int proto_len;
@@ -2072,8 +2118,23 @@ static void print_stuff(BIO *bio, SSL *s, int full)
BIO_write(bio, proto, proto_len);
BIO_write(bio, "\n", 1);
}
+ {
+ const unsigned char *proto;
+ unsigned int proto_len;
+ SSL_get0_alpn_selected(s, &proto, &proto_len);
+ if (proto_len > 0)
+ {
+ BIO_printf(bio, "ALPN protocol: ");
+ BIO_write(bio, proto, proto_len);
+ BIO_write(bio, "\n", 1);
+ }
+ else
+ BIO_printf(bio, "No ALPN negotiated\n");
+ }
+# endif
#endif
+#ifndef OPENSSL_NO_SRTP
{
SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
@@ -2081,6 +2142,7 @@ static void print_stuff(BIO *bio, SSL *s, int full)
BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
srtp_profile->name);
}
+#endif
SSL_SESSION_print(bio,SSL_get_session(s));
if (keymatexportlabel != NULL)
generated by cgit v1.1 at 2024-05-19 15:25:52 +0000