/* ssl/s3_both.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
*/
#include <stdio.h>
-#include "buffer.h"
-#include "rand.h"
-#include "objects.h"
-#include "evp.h"
-#include "x509.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"
-#define BREAK break
-
-/* SSL3err(SSL_F_SSL3_GET_FINISHED,SSL_R_EXCESSIVE_MESSAGE_SIZE);
- */
-
-unsigned char ssl3_server_finished_const[4]=
- {SSL3_MD_SERVER_FINISHED_CONST};
-unsigned char ssl3_client_finished_const[4]=
- {SSL3_MD_CLIENT_FINISHED_CONST};
-
-int ssl3_send_finished(s,a,b,sender)
-SSL *s;
-int a;
-int b;
-unsigned char *sender;
+int ssl3_send_finished(SSL *s, int a, int b, unsigned char *sender,
+ int slen)
{
unsigned char *p,*d;
int i;
d=(unsigned char *)s->init_buf->data;
p= &(d[4]);
- i=ssl3_final_finish_mac(s,&(s->s3->finish_dgst1),sender,p);
+ i=s->method->ssl3_enc->final_finish_mac(s,
+ &(s->s3->finish_dgst1),
+ &(s->s3->finish_dgst2),
+ sender,slen,p);
p+=i;
l=i;
- i=ssl3_final_finish_mac(s,&(s->s3->finish_dgst2),sender,p);
- l+=i;
+
+#ifdef WIN16
+ /* MSVC 1.5 does not clear the top bytes of the word unless
+ * I do this.
+ */
+ l&=0xffff;
+#endif
*(d++)=SSL3_MT_FINISHED;
l2n3(l,d);
return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));
}
-int ssl3_get_finished(s,a,b,sender)
-SSL *s;
-int a;
-int b;
-unsigned char *sender;
+int ssl3_get_finished(SSL *s, int a, int b)
{
- int al,i,j,ok;
+ int al,i,ok;
long n;
unsigned char *p;
/* the mac has already been generated when we received the
- * change cipher spec message and is in s->s3->tmp.in_dgst[12]
+ * change cipher spec message and is in s->s3->tmp.finish_md
*/
n=ssl3_get_message(s,
/* If this occurs if we has missed a message */
if (!s->s3->change_cipher_spec)
{
- al=SSL3_AD_UNEXPECTED_MESSAGE;
+ al=SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_GOT_A_FIN_BEFORE_A_CCS);
goto f_err;
}
p=(unsigned char *)s->init_buf->data;
- i=EVP_MD_CTX_size(&(s->s3->finish_dgst1));
- j=EVP_MD_CTX_size(&(s->s3->finish_dgst2));
+ i=s->method->ssl3_enc->finish_mac_length;
- if ((i+j) != n)
+ if (i != n)
{
- al=SSL3_AD_ILLEGAL_PARAMETER;
+ al=SSL_AD_DECODE_ERROR;
SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_BAD_DIGEST_LENGTH);
goto f_err;
}
- if ( (memcmp( p, &(s->s3->tmp.finish_md1[0]),i) != 0) ||
- (memcmp(&(p[i]),&(s->s3->tmp.finish_md2[0]),j) != 0))
+ if (memcmp( p, (char *)&(s->s3->tmp.finish_md[0]),i) != 0)
{
- al=SSL3_AD_ILLEGAL_PARAMETER;
+ al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_DIGEST_CHECK_FAILED);
goto f_err;
}
* ssl->session->read_compression assign
* ssl->session->read_hash assign
*/
-int ssl3_send_change_cipher_spec(s,a,b)
-SSL *s;
-int a,b;
+int ssl3_send_change_cipher_spec(SSL *s, int a, int b)
{
unsigned char *p;
return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC));
}
-unsigned long ssl3_output_cert_chain(s,x)
-SSL *s;
-X509 *x;
+unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
{
unsigned char *p;
int n,i;
X509_STORE_CTX xs_ctx;
X509_OBJECT obj;
- X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL);
-
+ /* TLSv1 sends a chain with nothing in it, instead of an alert */
buf=s->init_buf;
- for (;;)
+ if (!BUF_MEM_grow(buf,(int)(10)))
+ {
+ SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
+ return(0);
+ }
+ if (x != NULL)
{
+ X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL);
+
+ for (;;)
+ {
+ n=i2d_X509(x,NULL);
+ if (!BUF_MEM_grow(buf,(int)(n+l+3)))
+ {
+ SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
+ return(0);
+ }
+ p=(unsigned char *)&(buf->data[l]);
+ l2n3(n,p);
+ i2d_X509(x,&p);
+ l+=n+3;
+ if (X509_NAME_cmp(X509_get_subject_name(x),
+ X509_get_issuer_name(x)) == 0) break;
+
+ i=X509_STORE_get_by_subject(&xs_ctx,X509_LU_X509,
+ X509_get_issuer_name(x),&obj);
+ if (i <= 0) break;
+ x=obj.data.x509;
+ /* Count is one too high since the X509_STORE_get uped the
+ * ref count */
+ X509_free(x);
+ }
+
+ X509_STORE_CTX_cleanup(&xs_ctx);
+ }
+
+ /* Thawte special :-) */
+ if (s->ctx->extra_certs != NULL)
+ for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++)
+ {
+ x=sk_X509_value(s->ctx->extra_certs,i);
n=i2d_X509(x,NULL);
if (!BUF_MEM_grow(buf,(int)(n+l+3)))
{
l2n3(n,p);
i2d_X509(x,&p);
l+=n+3;
- if (X509_NAME_cmp(X509_get_subject_name(x),
- X509_get_issuer_name(x)) == 0) break;
-
- i=X509_STORE_get_by_subject(&xs_ctx,X509_LU_X509,
- X509_get_issuer_name(x),&obj);
- if (i <= 0) break;
- x=obj.data.x509;
- /* Count is one too high since the X509_STORE_get uped the
- * ref count */
- X509_free(x);
}
- X509_STORE_CTX_cleanup(&xs_ctx);
-
l-=7;
p=(unsigned char *)&(buf->data[4]);
l2n3(l,p);
return(l);
}
-long ssl3_get_message(s,st1,stn,mt,max,ok)
-SSL *s;
-int st1,stn,mt;
-long max;
-int *ok;
+long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
{
unsigned char *p;
unsigned long l;
s->s3->tmp.reuse_message=0;
if ((mt >= 0) && (s->s3->tmp.message_type != mt))
{
- al=SSL3_AD_UNEXPECTED_MESSAGE;
+ al=SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
goto f_err;
}
if (s->state == st1)
{
- i=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,
- (char *)&(p[s->init_num]),
- 4-s->init_num);
+ i=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],
+ 4-s->init_num);
if (i < (4-s->init_num))
{
*ok=0;
if ((mt >= 0) && (*p != mt))
{
- al=SSL3_AD_UNEXPECTED_MESSAGE;
+ al=SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
goto f_err;
}
+ if((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&
+ (st1 == SSL3_ST_SR_CERT_A) &&
+ (stn == SSL3_ST_SR_CERT_B))
+ {
+ /* At this point we have got an MS SGC second client
+ * hello. We need to restart the mac and mac the data
+ * currently received.
+ */
+ ssl3_init_finished_mac(s);
+ ssl3_finish_mac(s, p + s->init_num, i);
+ }
+
s->s3->tmp.message_type= *(p++);
n2l3(p,l);
if (l > (unsigned long)max)
{
- al=SSL3_AD_ILLEGAL_PARAMETER;
+ al=SSL_AD_ILLEGAL_PARAMETER;
SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
goto f_err;
}
n=s->s3->tmp.message_size;
if (n > 0)
{
- i=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,
- (char *)&(p[s->init_num]),(int)n);
+ i=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n);
if (i != (int)n)
{
*ok=0;
return(-1);
}
-int ssl_cert_type(x,pkey)
-X509 *x;
-EVP_PKEY *pkey;
+int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
{
EVP_PKEY *pk;
int ret= -1,i,j;
ret= -1;
err:
+ if(!pkey) EVP_PKEY_free(pk);
return(ret);
}
-int ssl_verify_alarm_type(type)
-int type;
+int ssl_verify_alarm_type(long type)
{
int al;
switch(type)
{
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
-
+ case X509_V_ERR_UNABLE_TO_GET_CRL:
+ al=SSL_AD_UNKNOWN_CA;
+ break;
case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
+ case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
- case X509_V_ERR_CERT_SIGNATURE_FAILURE:
- case X509_V_ERR_CERT_NOT_YET_VALID:
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
+ case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
+ 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:
+ al=SSL_AD_BAD_CERTIFICATE;
+ break;
+ case X509_V_ERR_CERT_SIGNATURE_FAILURE:
+ case X509_V_ERR_CRL_SIGNATURE_FAILURE:
+ al=SSL_AD_DECRYPT_ERROR;
+ break;
+ case X509_V_ERR_CERT_HAS_EXPIRED:
+ case X509_V_ERR_CRL_HAS_EXPIRED:
+ al=SSL_AD_CERTIFICATE_EXPIRED;
+ break;
+ case X509_V_ERR_CERT_REVOKED:
+ al=SSL_AD_CERTIFICATE_REVOKED;
+ break;
+ case X509_V_ERR_OUT_OF_MEM:
+ al=SSL_AD_INTERNAL_ERROR;
+ break;
case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
- al=SSL3_AD_BAD_CERTIFICATE;
+ case X509_V_ERR_CERT_CHAIN_TOO_LONG:
+ al=SSL_AD_UNKNOWN_CA;
break;
- case X509_V_ERR_CERT_HAS_EXPIRED:
- al=SSL3_AD_CERTIFICATE_EXPIRED;
+ case X509_V_ERR_APPLICATION_VERIFICATION:
+ al=SSL_AD_HANDSHAKE_FAILURE;
break;
default:
- al=SSL3_AD_CERTIFICATE_UNKNOWN;
+ al=SSL_AD_CERTIFICATE_UNKNOWN;
break;
}
return(al);
}
-int ssl3_setup_buffers(s)
-SSL *s;
+int ssl3_setup_buffers(SSL *s)
{
unsigned char *p;
unsigned int extra;
if (s->s3->rbuf.buf == NULL)
{
- if (s->ctx->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)
+ if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)
extra=SSL3_RT_MAX_EXTRA;
else
extra=0;