Option to disable SSL auto chain build

[openssl.git] / ssl / s3_both.c

diff --git a/ssl/s3_both.c b/ssl/s3_both.c
index c69e8d230830ed35c86da181473b54774211bb0c..94df0e5c6cd81d095c1b70762be433716524c405 100644 (file)
--- a/ssl/s3_both.c
+++ b/ssl/s3_both.c
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 /* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -108,16 +108,21 @@
  * Hudson (tjh@cryptsoft.com).
  *
  */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by 
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
 
 #include <limits.h>
 #include <string.h>
 #include <stdio.h>
+#include "ssl_locl.h"
 #include <openssl/buffer.h>
 #include <openssl/rand.h>
 #include <openssl/objects.h>
 #include <openssl/evp.h>
 #include <openssl/x509.h>
-#include "ssl_locl.h"
 
 /* send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or SSL3_RT_CHANGE_CIPHER_SPEC) */
 int ssl3_do_write(SSL *s, int type)
@@ -268,16 +273,23 @@ unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
        X509_STORE_CTX xs_ctx;
        X509_OBJECT obj;
 
+       int no_chain;
+
+       if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs)
+               no_chain = 1;
+       else
+               no_chain = 0;
+
        /* TLSv1 sends a chain with nothing in it, instead of an alert */
        buf=s->init_buf;
-       if (!BUF_MEM_grow(buf,(int)(10)))
+       if (!BUF_MEM_grow_clean(buf,10))
                {
                SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
                return(0);
                }
        if (x != NULL)
                {
-               if(!X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL))
+               if(!no_chain && !X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL))
                        {
                        SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB);
                        return(0);
@@ -286,7 +298,7 @@ unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
                for (;;)
                        {
                        n=i2d_X509(x,NULL);
-                       if (!BUF_MEM_grow(buf,(int)(n+l+3)))
+                       if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))
                                {
                                SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
                                return(0);
@@ -295,6 +307,10 @@ unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
                        l2n3(n,p);
                        i2d_X509(x,&p);
                        l+=n+3;
+
+                       if (no_chain)
+                               break;
+
                        if (X509_NAME_cmp(X509_get_subject_name(x),
                                X509_get_issuer_name(x)) == 0) break;
 
@@ -306,8 +322,8 @@ unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
                         * ref count */
                        X509_free(x);
                        }
-
-               X509_STORE_CTX_cleanup(&xs_ctx);
+               if (!no_chain)
+                       X509_STORE_CTX_cleanup(&xs_ctx);
                }
 
        /* Thawte special :-) */
@@ -316,7 +332,7 @@ unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
                {
                x=sk_X509_value(s->ctx->extra_certs,i);
                n=i2d_X509(x,NULL);
-               if (!BUF_MEM_grow(buf,(int)(n+l+3)))
+               if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))
                        {
                        SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
                        return(0);
@@ -439,7 +455,7 @@ long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
                        SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
                        goto f_err;
                        }
-               if (l && !BUF_MEM_grow(s->init_buf,(int)l+4))
+               if (l && !BUF_MEM_grow_clean(s->init_buf,(int)l+4))
                        {
                        SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);
                        goto err;
@@ -520,6 +536,12 @@ int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
                        else ret= -1;
                        }
                }
+#ifndef OPENSSL_NO_EC
+       else if (i == EVP_PKEY_EC)
+               {
+               ret = SSL_PKEY_ECC;
+               }
+#endif
        else
                ret= -1;
 
@@ -548,6 +570,8 @@ int ssl_verify_alarm_type(long type)
        case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
        case X509_V_ERR_CERT_NOT_YET_VALID:
        case X509_V_ERR_CRL_NOT_YET_VALID:
+       case X509_V_ERR_CERT_UNTRUSTED:
+       case X509_V_ERR_CERT_REJECTED:
                al=SSL_AD_BAD_CERTIFICATE;
                break;
        case X509_V_ERR_CERT_SIGNATURE_FAILURE:
@@ -569,11 +593,16 @@ int ssl_verify_alarm_type(long type)
        case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
        case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
        case X509_V_ERR_CERT_CHAIN_TOO_LONG:
+       case X509_V_ERR_PATH_LENGTH_EXCEEDED:
+       case X509_V_ERR_INVALID_CA:
                al=SSL_AD_UNKNOWN_CA;
                break;
        case X509_V_ERR_APPLICATION_VERIFICATION:
                al=SSL_AD_HANDSHAKE_FAILURE;
                break;
+       case X509_V_ERR_INVALID_PURPOSE:
+               al=SSL_AD_UNSUPPORTED_CERTIFICATE;
+               break;
        default:
                al=SSL_AD_CERTIFICATE_UNKNOWN;
                break;
@@ -585,6 +614,7 @@ int ssl3_setup_buffers(SSL *s)
        {
        unsigned char *p;
        unsigned int extra;
+       size_t len;
 
        if (s->s3->rbuf.buf == NULL)
                {
@@ -592,18 +622,21 @@ int ssl3_setup_buffers(SSL *s)
                        extra=SSL3_RT_MAX_EXTRA;
                else
                        extra=0;
-               if ((p=OPENSSL_malloc(SSL3_RT_MAX_PACKET_SIZE+extra))
-                       == NULL)
+               len = SSL3_RT_MAX_PACKET_SIZE + extra;
+               if ((p=OPENSSL_malloc(len)) == NULL)
                        goto err;
-               s->s3->rbuf.buf=p;
+               s->s3->rbuf.buf = p;
+               s->s3->rbuf.len = len;
                }
 
        if (s->s3->wbuf.buf == NULL)
                {
-               if ((p=OPENSSL_malloc(SSL3_RT_MAX_PACKET_SIZE))
-                       == NULL)
+               len = SSL3_RT_MAX_PACKET_SIZE;
+               len += SSL3_RT_HEADER_LENGTH + 256; /* extra space for empty fragment */
+               if ((p=OPENSSL_malloc(len)) == NULL)
                        goto err;
-               s->s3->wbuf.buf=p;
+               s->s3->wbuf.buf = p;
+               s->s3->wbuf.len = len;
                }
        s->packet= &(s->s3->rbuf.buf[0]);
        return(1);