Reorder inclusion of header files:
[openssl.git] / ssl / s3_clnt.c
index f93f2772d63c93896c39ec10d985280f0b71ca4a..bd9ce5db55a3d8a310736e679d1d48fc3987638c 100644 (file)
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * 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
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
 
 #include <stdio.h>
+#include "ssl_locl.h"
+#include "kssl_lcl.h"
 #include <openssl/buffer.h>
 #include <openssl/rand.h>
 #include <openssl/objects.h>
 #include <openssl/evp.h>
-#include "ssl_locl.h"
-#ifndef OPENSSL_NO_KRB5
-#include "kssl_lcl.h"
-#endif
 #include <openssl/md5.h>
 
 static SSL_METHOD *ssl3_get_client_method(int ver);
@@ -108,7 +159,7 @@ int ssl3_connect(SSL *s)
        BUF_MEM *buf;
        unsigned long Time=time(NULL),l;
        long num1;
-       void (*cb)()=NULL;
+       void (*cb)(const SSL *ssl,int type,int val)=NULL;
        int ret= -1;
        int new_state,state,skip=0;;
 
@@ -121,8 +172,8 @@ int ssl3_connect(SSL *s)
        else if (s->ctx->info_callback != NULL)
                cb=s->ctx->info_callback;
        
-       if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s); 
        s->in_handshake++;
+       if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s); 
 
        for (;;)
                {
@@ -443,9 +494,9 @@ int ssl3_connect(SSL *s)
                skip=0;
                }
 end:
+       s->in_handshake--;
        if (cb != NULL)
                cb(s,SSL_CB_CONNECT_EXIT,ret);
-       s->in_handshake--;
        return(ret);
        }
 
@@ -556,7 +607,7 @@ static int ssl3_get_server_hello(SSL *s)
                &ok);
 
        if (!ok) return((int)n);
-       d=p=(unsigned char *)s->init_buf->data;
+       d=p=(unsigned char *)s->init_msg;
 
        if ((p[0] != (s->version>>8)) || (p[1] != (s->version&0xff)))
                {
@@ -695,11 +746,7 @@ static int ssl3_get_server_certificate(SSL *s)
                SSL3_ST_CR_CERT_A,
                SSL3_ST_CR_CERT_B,
                -1,
-#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
-               1024*30, /* 30k max cert list :-) */
-#else
-               1024*100, /* 100k max cert list :-) */
-#endif
+               s->max_cert_list,
                &ok);
 
        if (!ok) return((int)n);
@@ -716,7 +763,7 @@ static int ssl3_get_server_certificate(SSL *s)
                SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_BAD_MESSAGE_TYPE);
                goto f_err;
                }
-       d=p=(unsigned char *)s->init_buf->data;
+       d=p=(unsigned char *)s->init_msg;
 
        if ((sk=sk_X509_new_null()) == NULL)
                {
@@ -884,11 +931,13 @@ static int ssl3_get_key_exchange(SSL *s)
        DH *dh=NULL;
 #endif
 
+       /* use same message size as in ssl3_get_certificate_request()
+        * as ServerKeyExchange message may be skipped */
        n=ssl3_get_message(s,
                SSL3_ST_CR_KEY_EXCH_A,
                SSL3_ST_CR_KEY_EXCH_B,
                -1,
-               1024*8, /* ?? */
+               s->max_cert_list,
                &ok);
 
        if (!ok) return((int)n);
@@ -899,7 +948,7 @@ static int ssl3_get_key_exchange(SSL *s)
                return(1);
                }
 
-       param=p=(unsigned char *)s->init_buf->data;
+       param=p=(unsigned char *)s->init_msg;
 
        if (s->session->sess_cert != NULL)
                {
@@ -1093,12 +1142,12 @@ static int ssl3_get_key_exchange(SSL *s)
                        q=md_buf;
                        for (num=2; num > 0; num--)
                                {
-                               EVP_DigestInit(&md_ctx,(num == 2)
-                                       ?s->ctx->md5:s->ctx->sha1);
+                               EVP_DigestInit_ex(&md_ctx,(num == 2)
+                                       ?s->ctx->md5:s->ctx->sha1, NULL);
                                EVP_DigestUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);
                                EVP_DigestUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);
                                EVP_DigestUpdate(&md_ctx,param,param_len);
-                               EVP_DigestFinal(&md_ctx,q,(unsigned int *)&i);
+                               EVP_DigestFinal_ex(&md_ctx,q,(unsigned int *)&i);
                                q+=i;
                                j+=i;
                                }
@@ -1124,7 +1173,7 @@ static int ssl3_get_key_exchange(SSL *s)
                        if (pkey->type == EVP_PKEY_DSA)
                        {
                        /* lets do DSS */
-                       EVP_VerifyInit(&md_ctx,EVP_dss1());
+                       EVP_VerifyInit_ex(&md_ctx,EVP_dss1(), NULL);
                        EVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);
                        EVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);
                        EVP_VerifyUpdate(&md_ctx,param,param_len);
@@ -1190,11 +1239,7 @@ static int ssl3_get_certificate_request(SSL *s)
                SSL3_ST_CR_CERT_REQ_A,
                SSL3_ST_CR_CERT_REQ_B,
                -1,
-#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
-               1024*30,  /* 30k max cert list :-) */
-#else
-               1024*100, /* 100k max cert list :-) */
-#endif
+               s->max_cert_list,
                &ok);
 
        if (!ok) return((int)n);
@@ -1226,7 +1271,7 @@ static int ssl3_get_certificate_request(SSL *s)
                        }
                }
 
-       d=p=(unsigned char *)s->init_buf->data;
+       d=p=(unsigned char *)s->init_msg;
 
        if ((ca_sk=sk_X509_NAME_new(ca_dn_cmp)) == NULL)
                {
@@ -1346,6 +1391,7 @@ static int ssl3_get_server_done(SSL *s)
                /* should contain no data */
                ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
                SSLerr(SSL_F_SSL3_GET_SERVER_DONE,SSL_R_LENGTH_MISMATCH);
+               return -1;
                }
        ret=1;
        return(ret);
@@ -1448,6 +1494,8 @@ static int ssl3_send_client_key_exchange(SSL *s)
                                                + EVP_MAX_IV_LENGTH];
                        int             padl, outl = sizeof(epms);
 
+                       EVP_CIPHER_CTX_init(&ciph_ctx);
+
 #ifdef KSSL_DEBUG
                         printf("ssl3_send_client_key_exchange(%lx & %lx)\n",
                                 l, SSL_kKRB5);
@@ -1527,17 +1575,18 @@ static int ssl3_send_client_key_exchange(SSL *s)
                            goto err;
 
                        /*  20010420 VRS.  Tried it this way; failed.
-                       **      EVP_EncryptInit(&ciph_ctx,enc, NULL,NULL);
+                       **      EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,NULL);
                        **      EVP_CIPHER_CTX_set_key_length(&ciph_ctx,
                        **                              kssl_ctx->length);
-                       **      EVP_EncryptInit(&ciph_ctx,NULL, key,iv);
+                       **      EVP_EncryptInit_ex(&ciph_ctx,NULL, key,iv);
                        */
 
                        memset(iv, 0, EVP_MAX_IV_LENGTH);  /* per RFC 1510 */
-                       EVP_EncryptInit(&ciph_ctx,enc, kssl_ctx->key,iv);
+                       EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,
+                               kssl_ctx->key,iv);
                        EVP_EncryptUpdate(&ciph_ctx,epms,&outl,tmp_buf,
-                                               SSL_MAX_MASTER_KEY_LENGTH);
-                       EVP_EncryptFinal(&ciph_ctx,&(epms[outl]),&padl);
+                               SSL_MAX_MASTER_KEY_LENGTH);
+                       EVP_EncryptFinal_ex(&ciph_ctx,&(epms[outl]),&padl);
                        outl += padl;
                        EVP_CIPHER_CTX_cleanup(&ciph_ctx);