openssl/openssl-1.0.0-beta4-reneg-e...

94 lines
4.9 KiB
Diff

Better error reporting for unsafe renegotiation.
diff -up openssl-1.0.0-beta4/ssl/ssl_err.c.reneg-err openssl-1.0.0-beta4/ssl/ssl_err.c
--- openssl-1.0.0-beta4/ssl/ssl_err.c.reneg-err 2009-11-09 19:45:42.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/ssl_err.c 2009-11-20 17:56:57.000000000 +0100
@@ -226,7 +226,9 @@ static ERR_STRING_DATA SSL_str_functs[]=
{ERR_FUNC(SSL_F_SSL_LOAD_CLIENT_CA_FILE), "SSL_load_client_CA_file"},
{ERR_FUNC(SSL_F_SSL_NEW), "SSL_new"},
{ERR_FUNC(SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT), "SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT"},
+{ERR_FUNC(SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT), "SSL_PARSE_CLIENTHELLO_TLSEXT"},
{ERR_FUNC(SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT), "SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT"},
+{ERR_FUNC(SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT), "SSL_PARSE_SERVERHELLO_TLSEXT"},
{ERR_FUNC(SSL_F_SSL_PEEK), "SSL_peek"},
{ERR_FUNC(SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT), "SSL_PREPARE_CLIENTHELLO_TLSEXT"},
{ERR_FUNC(SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT), "SSL_PREPARE_SERVERHELLO_TLSEXT"},
@@ -526,6 +528,7 @@ static ERR_STRING_DATA SSL_str_reasons[]
{ERR_REASON(SSL_R_UNKNOWN_REMOTE_ERROR_TYPE),"unknown remote error type"},
{ERR_REASON(SSL_R_UNKNOWN_SSL_VERSION) ,"unknown ssl version"},
{ERR_REASON(SSL_R_UNKNOWN_STATE) ,"unknown state"},
+{ERR_REASON(SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED),"unsafe legacy renegotiation disabled"},
{ERR_REASON(SSL_R_UNSUPPORTED_CIPHER) ,"unsupported cipher"},
{ERR_REASON(SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM),"unsupported compression algorithm"},
{ERR_REASON(SSL_R_UNSUPPORTED_DIGEST_TYPE),"unsupported digest type"},
diff -up openssl-1.0.0-beta4/ssl/ssl.h.reneg-err openssl-1.0.0-beta4/ssl/ssl.h
--- openssl-1.0.0-beta4/ssl/ssl.h.reneg-err 2009-11-12 15:17:29.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/ssl.h 2009-11-20 17:56:57.000000000 +0100
@@ -1934,7 +1934,9 @@ void ERR_load_SSL_strings(void);
#define SSL_F_SSL_LOAD_CLIENT_CA_FILE 185
#define SSL_F_SSL_NEW 186
#define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT 300
+#define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT 302
#define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT 301
+#define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT 303
#define SSL_F_SSL_PEEK 270
#define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT 281
#define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT 282
@@ -2231,6 +2233,7 @@ void ERR_load_SSL_strings(void);
#define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE 253
#define SSL_R_UNKNOWN_SSL_VERSION 254
#define SSL_R_UNKNOWN_STATE 255
+#define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED 338
#define SSL_R_UNSUPPORTED_CIPHER 256
#define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM 257
#define SSL_R_UNSUPPORTED_DIGEST_TYPE 326
diff -up openssl-1.0.0-beta4/ssl/s23_srvr.c.reneg-err openssl-1.0.0-beta4/ssl/s23_srvr.c
--- openssl-1.0.0-beta4/ssl/s23_srvr.c.reneg-err 2009-11-12 15:17:29.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/s23_srvr.c 2009-11-20 17:57:23.000000000 +0100
@@ -497,6 +497,11 @@ int ssl23_get_client_hello(SSL *s)
SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_UNSUPPORTED_PROTOCOL);
goto err;
#else
+ if (!(s->ctx->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION))
+ {
+ SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
+ goto err;
+ }
/* we are talking sslv2 */
/* we need to clean up the SSLv3/TLSv1 setup and put in the
* sslv2 stuff. */
diff -up openssl-1.0.0-beta4/ssl/t1_lib.c.reneg-err openssl-1.0.0-beta4/ssl/t1_lib.c
--- openssl-1.0.0-beta4/ssl/t1_lib.c.reneg-err 2009-11-18 14:04:19.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/t1_lib.c 2009-11-20 17:56:57.000000000 +0100
@@ -636,6 +636,7 @@ int ssl_parse_clienthello_tlsext(SSL *s,
{
/* We should always see one extension: the renegotiate extension */
*al = SSL_AD_ILLEGAL_PARAMETER; /* is this the right alert? */
+ SSLerr(SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT, SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
return 1;
@@ -965,6 +966,7 @@ int ssl_parse_clienthello_tlsext(SSL *s,
if (s->new_session && !renegotiate_seen
&& !(s->ctx->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION))
{
+ SSLerr(SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT, SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
*al = SSL_AD_ILLEGAL_PARAMETER; /* is this the right alert? */
return 0;
}
@@ -993,6 +995,7 @@ int ssl_parse_serverhello_tlsext(SSL *s,
{
/* We should always see one extension: the renegotiate extension */
*al = SSL_AD_ILLEGAL_PARAMETER; /* is this the right alert? */
+ SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT, SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
#endif
@@ -1133,6 +1136,7 @@ int ssl_parse_serverhello_tlsext(SSL *s,
&& !(s->ctx->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION))
{
*al = SSL_AD_ILLEGAL_PARAMETER; /* is this the right alert? */
+ SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT, SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
#endif