Option to set current cert to server certificate.
[openssl.git] / ssl / ssl_rsa.c
index 7fcd8460a3e5832c385e264f033b154b4f77225b..49bd03596a97557fb831ed532b91c53e1f7a5e89 100644 (file)
@@ -848,20 +848,61 @@ static int serverinfo_srv_first_cb(SSL *s, unsigned short ext_type,
                                   unsigned short inlen, int *al,
                                   void *arg)
        {
+       size_t i = 0;
+
        if (inlen != 0)
                {
                *al = SSL_AD_DECODE_ERROR;
                return 0;
                }
+
+       /* if already in list, error out */
+       for (i = 0; i < s->s3->serverinfo_client_tlsext_custom_types_count; i++)
+               {
+               if (s->s3->serverinfo_client_tlsext_custom_types[i] == ext_type)
+                       {
+                       *al = SSL_AD_DECODE_ERROR;
+                       return 0;
+                       }
+               }
+       s->s3->serverinfo_client_tlsext_custom_types_count++;
+       s->s3->serverinfo_client_tlsext_custom_types = OPENSSL_realloc(
+       s->s3->serverinfo_client_tlsext_custom_types,
+       s->s3->serverinfo_client_tlsext_custom_types_count * 2);
+       if (s->s3->serverinfo_client_tlsext_custom_types == NULL)
+               {
+               s->s3->serverinfo_client_tlsext_custom_types_count = 0;
+               *al = TLS1_AD_INTERNAL_ERROR;
+               return 0;
+               }
+       s->s3->serverinfo_client_tlsext_custom_types[
+       s->s3->serverinfo_client_tlsext_custom_types_count - 1] = ext_type;
+
        return 1;
        }
 
 static int serverinfo_srv_second_cb(SSL *s, unsigned short ext_type,
-                                   const unsigned char **out, unsigned short *outlen, 
-                                   void *arg)
+                                   const unsigned char **out, unsigned short *outlen,
+                                   int *al, void *arg)
        {
        const unsigned char *serverinfo = NULL;
        size_t serverinfo_length = 0;
+       size_t i = 0;
+       unsigned int match = 0;
+       /* Did the client send a TLS extension for this type? */
+       for (i = 0; i < s->s3->serverinfo_client_tlsext_custom_types_count; i++)
+               {
+               if (s->s3->serverinfo_client_tlsext_custom_types[i] == ext_type)
+                       {
+                       match = 1;
+                       break;
+                       }
+               }
+       if (!match)
+               {
+               /* extension not sent by client...don't send extension */
+               return -1;
+               }
 
        /* Is there serverinfo data for the chosen server cert? */
        if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
@@ -869,7 +910,7 @@ static int serverinfo_srv_second_cb(SSL *s, unsigned short ext_type,
                {
                /* Find the relevant extension from the serverinfo */
                int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
-                                                      ext_type, out, outlen);
+                                                      ext_type, out, outlen);
                if (retval == 0)
                        return 0; /* Error */
                if (retval == -1)