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-rw-r--r--include/openssl/ssl.h7
-rw-r--r--ssl/d1_lib.c9
-rw-r--r--ssl/methods.c5
-rw-r--r--ssl/record/rec_layer_d1.c3
-rw-r--r--ssl/ssl_locl.h1
-rw-r--r--ssl/statem/statem_lib.c4
6 files changed, 22 insertions, 7 deletions
diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index 2aca2f9..e58ad30 100644
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -306,8 +306,11 @@ typedef int (*custom_ext_parse_cb) (SSL *s, unsigned int ext_type,
# define SSL_OP_COOKIE_EXCHANGE 0x00002000U
/* Don't use RFC4507 ticket extension */
# define SSL_OP_NO_TICKET 0x00004000U
-/* Use Cisco's "speshul" version of DTLS_BAD_VER (as client) */
-# define SSL_OP_CISCO_ANYCONNECT 0x00008000U
+# ifndef OPENSSL_NO_DTLS1_METHOD
+/* Use Cisco's "speshul" version of DTLS_BAD_VER
+ * (only with deprecated DTLSv1_client_method()) */
+# define SSL_OP_CISCO_ANYCONNECT 0x00008000U
+# endif
/* As server, disallow session resumption on renegotiation */
# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U
diff --git a/ssl/d1_lib.c b/ssl/d1_lib.c
index 0a98555..08a5037 100644
--- a/ssl/d1_lib.c
+++ b/ssl/d1_lib.c
@@ -179,10 +179,13 @@ void dtls1_clear(SSL *s)
}
ssl3_clear(s);
- if (s->options & SSL_OP_CISCO_ANYCONNECT)
- s->client_version = s->version = DTLS1_BAD_VER;
- else if (s->method->version == DTLS_ANY_VERSION)
+
+ if (s->method->version == DTLS_ANY_VERSION)
s->version = DTLS_MAX_VERSION;
+#ifndef OPENSSL_NO_DTLS1_METHOD
+ else if (s->options & SSL_OP_CISCO_ANYCONNECT)
+ s->client_version = s->version = DTLS1_BAD_VER;
+#endif
else
s->version = s->method->version;
}
diff --git a/ssl/methods.c b/ssl/methods.c
index aeed8c7..7d27f9d 100644
--- a/ssl/methods.c
+++ b/ssl/methods.c
@@ -191,6 +191,11 @@ IMPLEMENT_dtls1_meth_func(DTLS1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_DTLSv1,
ssl_undefined_function,
ossl_statem_connect,
DTLSv1_enc_data)
+IMPLEMENT_dtls1_meth_func(DTLS1_BAD_VER, SSL_METHOD_NO_SUITEB, SSL_OP_NO_DTLSv1,
+ dtls_bad_ver_client_method,
+ ssl_undefined_function,
+ ossl_statem_connect,
+ DTLSv1_enc_data)
#endif
#ifndef OPENSSL_NO_DTLS1_2_METHOD
diff --git a/ssl/record/rec_layer_d1.c b/ssl/record/rec_layer_d1.c
index cca5721..7ddadfa 100644
--- a/ssl/record/rec_layer_d1.c
+++ b/ssl/record/rec_layer_d1.c
@@ -980,7 +980,8 @@ int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
* haven't decided which version to use yet send back using version 1.0
* header: otherwise some clients will ignore it.
*/
- if (s->method->version == DTLS_ANY_VERSION) {
+ if (s->method->version == DTLS_ANY_VERSION &&
+ s->max_proto_version != DTLS1_BAD_VER) {
*(p++) = DTLS1_VERSION >> 8;
*(p++) = DTLS1_VERSION & 0xff;
} else {
diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index 550c4d5..ef05f70 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -1655,6 +1655,7 @@ __owur const SSL_METHOD *tlsv1_2_client_method(void);
__owur const SSL_METHOD *dtlsv1_method(void);
__owur const SSL_METHOD *dtlsv1_server_method(void);
__owur const SSL_METHOD *dtlsv1_client_method(void);
+__owur const SSL_METHOD *dtls_bad_ver_client_method(void);
__owur const SSL_METHOD *dtlsv1_2_method(void);
__owur const SSL_METHOD *dtlsv1_2_server_method(void);
__owur const SSL_METHOD *dtlsv1_2_client_method(void);
diff --git a/ssl/statem/statem_lib.c b/ssl/statem/statem_lib.c
index df07800..ae986f5 100644
--- a/ssl/statem/statem_lib.c
+++ b/ssl/statem/statem_lib.c
@@ -681,8 +681,10 @@ static const version_info dtls_version_table[] = {
#endif
#ifndef OPENSSL_NO_DTLS1
{ DTLS1_VERSION, dtlsv1_client_method, dtlsv1_server_method },
+ { DTLS1_BAD_VER, dtls_bad_ver_client_method, NULL },
#else
{ DTLS1_VERSION, NULL, NULL },
+ { DTLS1_BAD_VER, NULL, NULL },
#endif
{ 0, NULL, NULL },
};
@@ -847,7 +849,7 @@ int ssl_set_version_bound(int method_version, int version, int *bound)
case DTLS_ANY_VERSION:
if (DTLS_VERSION_GT(version, DTLS_MAX_VERSION) ||
- DTLS_VERSION_LT(version, DTLS1_VERSION))
+ DTLS_VERSION_LT(version, DTLS1_BAD_VER))
return 0;
break;
}