Reorder inclusion of header files:

[openssl.git] / ssl / s3_both.c

diff --git a/ssl/s3_both.c b/ssl/s3_both.c
index 21531d5dbe57ca698723d2fd12a5848dd1b5b0f8..8864366f59228a97789c79fd3e0f6a3f368d6e59 100644 (file)
--- a/ssl/s3_both.c
+++ b/ssl/s3_both.c
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 /* ====================================================================
- * Copyright (c) 1998-2000 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
@@ -109,16 +109,17 @@
  *
  */
 
+#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' */
+/* 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)
        {
        int ret;
@@ -132,7 +133,11 @@ int ssl3_do_write(SSL *s, int type)
                ssl3_finish_mac(s,(unsigned char *)&s->init_buf->data[s->init_off],ret);
        
        if (ret == s->init_num)
+               {
+               if (s->msg_callback)
+                       s->msg_callback(1, s->version, type, s->init_buf->data, (size_t)(s->init_off + s->init_num), s, s->msg_callback_arg);
                return(1);
+               }
        s->init_off+=ret;
        s->init_num-=ret;
        return(0);
@@ -205,7 +210,7 @@ int ssl3_get_finished(SSL *s, int a, int b)
                }
        s->s3->change_cipher_spec=0;
 
-       p = (unsigned char *)s->init_buf->data;
+       p = (unsigned char *)s->init_msg;
        i = s->s3->tmp.peer_finish_md_len;
 
        if (i != n)
@@ -355,7 +360,9 @@ long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
                        goto f_err;
                        }
                *ok=1;
-               return((int)s->s3->tmp.message_size);
+               s->init_msg = s->init_buf->data + 4;
+               s->init_num = (int)s->s3->tmp.message_size;
+               return s->init_num;
                }
 
        p=(unsigned char *)s->init_buf->data;
@@ -390,8 +397,10 @@ long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
                                                {
                                                s->init_num = 0;
                                                skip_message = 1;
+
+                                               if (s->msg_callback)
+                                                       s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, p, 4, s, s->msg_callback_arg);
                                                }
-                       
                        }
                while (skip_message);
 
@@ -415,8 +424,6 @@ long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
                        ssl3_init_finished_mac(s);
                        }
 
-               ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, 4);
-                       
                s->s3->tmp.message_type= *(p++);
 
                n2l3(p,l);
@@ -426,7 +433,13 @@ 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))
+               if (l > (INT_MAX-4)) /* BUF_MEM_grow takes an 'int' parameter */
+                       {
+                       al=SSL_AD_ILLEGAL_PARAMETER;
+                       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))
                        {
                        SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);
                        goto err;
@@ -434,12 +447,13 @@ long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
                s->s3->tmp.message_size=l;
                s->state=stn;
 
-               s->init_num=0;
+               s->init_msg = s->init_buf->data + 4;
+               s->init_num = 0;
                }
 
        /* next state (stn) */
-       p=(unsigned char *)s->init_buf->data;
-       n=s->s3->tmp.message_size;
+       p = s->init_msg;
+       n = s->s3->tmp.message_size - s->init_num;
        while (n > 0)
                {
                i=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0);
@@ -452,7 +466,9 @@ long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
                s->init_num += i;
                n -= i;
                }
-       ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num);
+       ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4);
+       if (s->msg_callback)
+               s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data, (size_t)s->init_num + 4, s, s->msg_callback_arg);
        *ok=1;
        return s->init_num;
 f_err:
@@ -532,6 +548,8 @@ 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:
@@ -553,11 +571,16 @@ 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;
@@ -569,6 +592,7 @@ int ssl3_setup_buffers(SSL *s)
        {
        unsigned char *p;
        unsigned int extra;
+       size_t len;
 
        if (s->s3->rbuf.buf == NULL)
                {
@@ -576,18 +600,21 @@ 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);