Fix various stuff: that VC++ 5.0 chokes on:
[openssl.git] / ssl / s23_srvr.c
index 398f0058217b70d1cf0105f9f3784a34ea2d96da..5dd9253f9fcc6687155855ff88a42a7117c1dd35 100644 (file)
@@ -1,5 +1,5 @@
 /* ssl/s23_srvr.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
 #define BREAK break
 
 #ifndef NOPROTO
+static SSL_METHOD *ssl23_get_server_method(int ver);
 int ssl23_get_client_hello(SSL *s);
 #else
+static SSL_METHOD *ssl23_get_server_method();
 int ssl23_get_client_hello();
 #endif
 
 static SSL_METHOD *ssl23_get_server_method(ver)
 int ver;
        {
-       if (ver == 2)
+       if (ver == SSL2_VERSION)
                return(SSLv2_server_method());
-       else if (ver == 3)
+       else if (ver == SSL3_VERSION)
                return(SSLv3_server_method());
+       else if (ver == TLS1_VERSION)
+               return(TLSv1_server_method());
        else
                return(NULL);
        }
@@ -109,7 +113,7 @@ SSL *s;
 
        RAND_seed((unsigned char *)&Time,sizeof(Time));
        ERR_clear_error();
-       errno=0;
+       clear_sys_error();
 
        if (s->info_callback != NULL)
                cb=s->info_callback;
@@ -132,7 +136,7 @@ SSL *s;
 
                        if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
 
-                       s->version=3;
+                       /* s->version=SSL3_VERSION; */
                        s->type=SSL_ST_ACCEPT;
 
                        if (s->init_buf == NULL)
@@ -164,7 +168,7 @@ SSL *s;
                        ret=ssl23_get_client_hello(s);
                        if (ret >= 0) cb=NULL;
                        goto end;
-                       break;
+                       /* break; */
 
                default:
                        SSLerr(SSL_F_SSL23_ACCEPT,SSL_R_UNKNOWN_STATE);
@@ -197,8 +201,7 @@ SSL *s;
        unsigned char *p,*d,*dd;
        unsigned int i;
        unsigned int csl,sil,cl;
-       int n=0,j;
-       BIO *bbio;
+       int n=0,j,tls1=0;
        int type=0,use_sslv2_strong=0;
 
        /* read the initial header */
@@ -219,11 +222,34 @@ SSL *s;
                        if ((p[3] == 0x00) && (p[4] == 0x02))
                                {
                                /* SSLv2 */
-                               type=1;
+                               if (!(s->options & SSL_OP_NO_SSLv2))
+                                       type=1;
                                }
                        else if (p[3] == SSL3_VERSION_MAJOR)
                                {
-                               if (s->ctx->options & SSL_OP_NON_EXPORT_FIRST)
+                               /* SSLv3/TLSv1 */
+                               if (p[4] >= TLS1_VERSION_MINOR)
+                                       {
+                                       if (!(s->options & SSL_OP_NO_TLSv1))
+                                               {
+                                               tls1=1;
+                                               s->state=SSL23_ST_SR_CLNT_HELLO_B;
+                                               }
+                                       else if (!(s->options & SSL_OP_NO_SSLv3))
+                                               {
+                                               s->state=SSL23_ST_SR_CLNT_HELLO_B;
+                                               }
+                                       else if (!(s->options & SSL_OP_NO_SSLv2))
+                                               {
+                                               type=1;
+                                               }
+                                       }
+                               else if (!(s->options & SSL_OP_NO_SSLv3))
+                                       s->state=SSL23_ST_SR_CLNT_HELLO_B;
+                               else if (!(s->options & SSL_OP_NO_SSLv2))
+                                       type=1;
+
+                               if (s->options & SSL_OP_NON_EXPORT_FIRST)
                                        {
                                        STACK *sk;
                                        SSL_CIPHER *c;
@@ -275,30 +301,37 @@ SSL *s;
                                                        }
                                                }
                                        }
-                               /* SSLv3 */
-                               s->state=SSL23_ST_SR_CLNT_HELLO_B;
                                }
                        }
                else if ((p[0] == SSL3_RT_HANDSHAKE) &&
                         (p[1] == SSL3_VERSION_MAJOR) &&
                         (p[5] == SSL3_MT_CLIENT_HELLO))
                        {
-                       /* true SSLv3 */
-                       type=3;
+                       /* true SSLv3 or tls1 */
+                       if (p[2] >= TLS1_VERSION_MINOR)
+                               {
+                               if (!(s->options & SSL_OP_NO_TLSv1))
+                                       {
+                                       type=3;
+                                       tls1=1;
+                                       }
+                               else if (!(s->options & SSL_OP_NO_SSLv3))
+                                       type=3;
+                               }
+                       else if (!(s->options & SSL_OP_NO_SSLv3))
+                               type=3;
                        }
-               /* I will not introduce error codes since that will probably
-                * disrupt the error codes alread allocated and could play
-                * havoc with dynamic allocation.  Upgrade to 0.9.x :-)
-                */
                else if ((strncmp("GET ", (char *)p,4) == 0) ||
                         (strncmp("POST ",(char *)p,5) == 0) ||
                         (strncmp("HEAD ",(char *)p,5) == 0) ||
                         (strncmp("PUT ", (char *)p,4) == 0))
                        {
+                       SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_HTTP_REQUEST);
                        goto err;
                        }
                else if (strncmp("CONNECT",(char *)p,7) == 0)
                        {
+                       SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_HTTPS_PROXY_REQUEST);
                        goto err;
                        }
                }
@@ -306,7 +339,7 @@ SSL *s;
 next_bit:
        if (s->state == SSL23_ST_SR_CLNT_HELLO_B)
                {
-               /* we have a SSLv3 in a SSLv2 header */
+               /* we have a SSLv3/TLSv1 in a SSLv2 header */
                type=2;
                p=s->packet;
                n=((p[0]&0x7f)<<8)|p[1];
@@ -334,7 +367,10 @@ next_bit:
                        }
 
                *(d++)=SSL3_VERSION_MAJOR;
-               *(d++)=SSL3_VERSION_MINOR;
+               if (tls1)
+                       *(d++)=TLS1_VERSION_MINOR;
+               else
+                       *(d++)=SSL3_VERSION_MINOR;
 
                /* lets populate the random area */
                /* get the chalenge_length */
@@ -359,7 +395,7 @@ next_bit:
                        }
                s2n(j,dd);
 
-               /* compression */
+               /* COMPRESSION */
                *(d++)=1;
                *(d++)=0;
                
@@ -374,7 +410,7 @@ next_bit:
        if (type == 1)
                {
                /* we are talking sslv2 */
-               /* we need to clean up the SSLv3 setup and put in the
+               /* we need to clean up the SSLv3/TLSv1 setup and put in the
                 * sslv2 stuff. */
 
                if (s->s2 == NULL)
@@ -394,7 +430,7 @@ next_bit:
                        }
 
                s->state=SSL2_ST_GET_CLIENT_HELLO_A;
-               if ((s->ctx->options & SSL_OP_MSIE_SSLV2_RSA_PADDING) ||
+               if ((s->options & SSL_OP_MSIE_SSLV2_RSA_PADDING) ||
                        use_sslv2_strong)
                        s->s2->ssl2_rollback=0;
                else
@@ -415,21 +451,9 @@ next_bit:
 
        if ((type == 2) || (type == 3))
                {
-               /* we have sslv3 */
+               /* we have SSLv3/TLSv1 */
 
-               if (s->bbio == NULL)
-                       {
-                       bbio=BIO_new(BIO_f_buffer());
-                       if (bbio == NULL)
-                               goto err;
-                       s->bbio=bbio;
-                       }
-               else
-                       bbio=s->bbio;
-               BIO_reset(bbio);
-               if (!BIO_set_write_buffer_size(bbio,16*1024))
-                       goto err;
-               s->wbio=BIO_push(bbio,s->wbio);
+               if (!ssl_init_wbio_buffer(s,1)) goto err;
 
                /* we are in this state */
                s->state=SSL3_ST_SR_CLNT_HELLO_A;
@@ -452,7 +476,16 @@ next_bit:
                        s->s3->rbuf.offset=0;
                        }
 
-               s->method=SSLv3_server_method();
+               if (tls1)
+                       {
+                       s->version=TLS1_VERSION;
+                       s->method=TLSv1_server_method();
+                       }
+               else
+                       {
+                       s->version=SSL3_VERSION;
+                       s->method=SSLv3_server_method();
+                       }
                s->handshake_func=s->method->ssl_accept;
                }