external/openssl 0.9.8h

1 files changed, 500 insertions, 0 deletions

diff --git a/ssl/ssl_asn1.c b/ssl/ssl_asn1.c
new file mode 100644
index 0000000..6e14f4d
--- /dev/null
+++ b/ssl/ssl_asn1.c
@@ -0,0 +1,500 @@
+/* ssl/ssl_asn1.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * 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 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 acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "ssl_locl.h"
+#include <openssl/asn1_mac.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+
+typedef struct ssl_session_asn1_st
+	{
+	ASN1_INTEGER version;
+	ASN1_INTEGER ssl_version;
+	ASN1_OCTET_STRING cipher;
+	ASN1_OCTET_STRING master_key;
+	ASN1_OCTET_STRING session_id;
+	ASN1_OCTET_STRING session_id_context;
+	ASN1_OCTET_STRING key_arg;
+#ifndef OPENSSL_NO_KRB5
+        ASN1_OCTET_STRING krb5_princ;
+#endif /* OPENSSL_NO_KRB5 */
+	ASN1_INTEGER time;
+	ASN1_INTEGER timeout;
+	ASN1_INTEGER verify_result;
+#ifndef OPENSSL_NO_TLSEXT
+	ASN1_OCTET_STRING tlsext_hostname;
+	ASN1_INTEGER tlsext_tick_lifetime;
+	ASN1_OCTET_STRING tlsext_tick;
+#endif /* OPENSSL_NO_TLSEXT */
+	} SSL_SESSION_ASN1;
+
+int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
+	{
+#define LSIZE2 (sizeof(long)*2)
+	int v1=0,v2=0,v3=0,v4=0,v5=0;
+	unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
+	unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
+#ifndef OPENSSL_NO_TLSEXT
+	int v6=0,v9=0,v10=0;
+	unsigned char ibuf6[LSIZE2];
+#endif
+	long l;
+	SSL_SESSION_ASN1 a;
+	M_ASN1_I2D_vars(in);
+
+	if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
+		return(0);
+
+	/* Note that I cheat in the following 2 assignments.  I know
+	 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
+	 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
+	 * This is a bit evil but makes things simple, no dynamic allocation
+	 * to clean up :-) */
+	a.version.length=LSIZE2;
+	a.version.type=V_ASN1_INTEGER;
+	a.version.data=ibuf1;
+	ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
+
+	a.ssl_version.length=LSIZE2;
+	a.ssl_version.type=V_ASN1_INTEGER;
+	a.ssl_version.data=ibuf2;
+	ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
+
+	a.cipher.type=V_ASN1_OCTET_STRING;
+	a.cipher.data=buf;
+
+	if (in->cipher == NULL)
+		l=in->cipher_id;
+	else
+		l=in->cipher->id;
+	if (in->ssl_version == SSL2_VERSION)
+		{
+		a.cipher.length=3;
+		buf[0]=((unsigned char)(l>>16L))&0xff;
+		buf[1]=((unsigned char)(l>> 8L))&0xff;
+		buf[2]=((unsigned char)(l     ))&0xff;
+		}
+	else
+		{
+		a.cipher.length=2;
+		buf[0]=((unsigned char)(l>>8L))&0xff;
+		buf[1]=((unsigned char)(l    ))&0xff;
+		}
+
+	a.master_key.length=in->master_key_length;
+	a.master_key.type=V_ASN1_OCTET_STRING;
+	a.master_key.data=in->master_key;
+
+	a.session_id.length=in->session_id_length;
+	a.session_id.type=V_ASN1_OCTET_STRING;
+	a.session_id.data=in->session_id;
+
+	a.session_id_context.length=in->sid_ctx_length;
+	a.session_id_context.type=V_ASN1_OCTET_STRING;
+	a.session_id_context.data=in->sid_ctx;
+
+	a.key_arg.length=in->key_arg_length;
+	a.key_arg.type=V_ASN1_OCTET_STRING;
+	a.key_arg.data=in->key_arg;
+
+#ifndef OPENSSL_NO_KRB5
+	if (in->krb5_client_princ_len)
+		{
+		a.krb5_princ.length=in->krb5_client_princ_len;
+		a.krb5_princ.type=V_ASN1_OCTET_STRING;
+		a.krb5_princ.data=in->krb5_client_princ;
+		}
+#endif /* OPENSSL_NO_KRB5 */
+ 
+	if (in->time != 0L)
+		{
+		a.time.length=LSIZE2;
+		a.time.type=V_ASN1_INTEGER;
+		a.time.data=ibuf3;
+		ASN1_INTEGER_set(&(a.time),in->time);
+		}
+
+	if (in->timeout != 0L)
+		{
+		a.timeout.length=LSIZE2;
+		a.timeout.type=V_ASN1_INTEGER;
+		a.timeout.data=ibuf4;
+		ASN1_INTEGER_set(&(a.timeout),in->timeout);
+		}
+
+	if (in->verify_result != X509_V_OK)
+		{
+		a.verify_result.length=LSIZE2;
+		a.verify_result.type=V_ASN1_INTEGER;
+		a.verify_result.data=ibuf5;
+		ASN1_INTEGER_set(&a.verify_result,in->verify_result);
+		}
+
+#ifndef OPENSSL_NO_TLSEXT
+	if (in->tlsext_hostname)
+                {
+                a.tlsext_hostname.length=strlen(in->tlsext_hostname);
+                a.tlsext_hostname.type=V_ASN1_OCTET_STRING;
+                a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname;
+                }
+	if (in->tlsext_tick)
+                {
+                a.tlsext_tick.length= in->tlsext_ticklen;
+                a.tlsext_tick.type=V_ASN1_OCTET_STRING;
+                a.tlsext_tick.data=(unsigned char *)in->tlsext_tick;
+		/* If we have a ticket set session ID to empty because
+		 * it will be bogus. If liftime hint is -1 treat as a special
+		 * case because the session is being used as a container
+		 */
+		if (in->tlsext_ticklen && (in->tlsext_tick_lifetime_hint != -1))
+			a.session_id.length=0;
+                }
+	if (in->tlsext_tick_lifetime_hint > 0)
+		{
+		a.tlsext_tick_lifetime.length=LSIZE2;
+		a.tlsext_tick_lifetime.type=V_ASN1_INTEGER;
+		a.tlsext_tick_lifetime.data=ibuf6;
+		ASN1_INTEGER_set(&a.tlsext_tick_lifetime,in->tlsext_tick_lifetime_hint);
+		}
+#endif /* OPENSSL_NO_TLSEXT */
+	M_ASN1_I2D_len(&(a.version),		i2d_ASN1_INTEGER);
+	M_ASN1_I2D_len(&(a.ssl_version),	i2d_ASN1_INTEGER);
+	M_ASN1_I2D_len(&(a.cipher),		i2d_ASN1_OCTET_STRING);
+	M_ASN1_I2D_len(&(a.session_id),		i2d_ASN1_OCTET_STRING);
+	M_ASN1_I2D_len(&(a.master_key),		i2d_ASN1_OCTET_STRING);
+#ifndef OPENSSL_NO_KRB5
+	if (in->krb5_client_princ_len)
+        	M_ASN1_I2D_len(&(a.krb5_princ),	i2d_ASN1_OCTET_STRING);
+#endif /* OPENSSL_NO_KRB5 */
+	if (in->key_arg_length > 0)
+		M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
+	if (in->time != 0L)
+		M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
+	if (in->timeout != 0L)
+		M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
+	if (in->peer != NULL)
+		M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
+	M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
+	if (in->verify_result != X509_V_OK)
+		M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
+
+#ifndef OPENSSL_NO_TLSEXT
+	if (in->tlsext_tick_lifetime_hint > 0)
+      	 	M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9);
+	if (in->tlsext_tick)
+        	M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10);
+	if (in->tlsext_hostname)
+        	M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
+#endif /* OPENSSL_NO_TLSEXT */
+	M_ASN1_I2D_seq_total();
+
+	M_ASN1_I2D_put(&(a.version),		i2d_ASN1_INTEGER);
+	M_ASN1_I2D_put(&(a.ssl_version),	i2d_ASN1_INTEGER);
+	M_ASN1_I2D_put(&(a.cipher),		i2d_ASN1_OCTET_STRING);
+	M_ASN1_I2D_put(&(a.session_id),		i2d_ASN1_OCTET_STRING);
+	M_ASN1_I2D_put(&(a.master_key),		i2d_ASN1_OCTET_STRING);
+#ifndef OPENSSL_NO_KRB5
+	if (in->krb5_client_princ_len)
+        	M_ASN1_I2D_put(&(a.krb5_princ),	i2d_ASN1_OCTET_STRING);
+#endif /* OPENSSL_NO_KRB5 */
+	if (in->key_arg_length > 0)
+		M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
+	if (in->time != 0L)
+		M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
+	if (in->timeout != 0L)
+		M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
+	if (in->peer != NULL)
+		M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
+	M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
+			       v4);
+	if (in->verify_result != X509_V_OK)
+		M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
+#ifndef OPENSSL_NO_TLSEXT
+	if (in->tlsext_hostname)
+        	M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
+	if (in->tlsext_tick_lifetime_hint > 0)
+      	 	M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9);
+	if (in->tlsext_tick)
+        	M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10);
+#endif /* OPENSSL_NO_TLSEXT */
+	M_ASN1_I2D_finish();
+	}
+
+SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
+	     long length)
+	{
+	int version,ssl_version=0,i;
+	long id;
+	ASN1_INTEGER ai,*aip;
+	ASN1_OCTET_STRING os,*osp;
+	M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
+
+	aip= &ai;
+	osp= &os;
+
+	M_ASN1_D2I_Init();
+	M_ASN1_D2I_start_sequence();
+
+	ai.data=NULL; ai.length=0;
+	M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
+	version=(int)ASN1_INTEGER_get(aip);
+	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
+
+	/* we don't care about the version right now :-) */
+	M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
+	ssl_version=(int)ASN1_INTEGER_get(aip);
+	ret->ssl_version=ssl_version;
+	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
+
+	os.data=NULL; os.length=0;
+	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
+	if (ssl_version == SSL2_VERSION)
+		{
+		if (os.length != 3)
+			{
+			c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
+			goto err;
+			}
+		id=0x02000000L|
+			((unsigned long)os.data[0]<<16L)|
+			((unsigned long)os.data[1]<< 8L)|
+			 (unsigned long)os.data[2];
+		}
+	else if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
+		{
+		if (os.length != 2)
+			{
+			c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
+			goto err;
+			}
+		id=0x03000000L|
+			((unsigned long)os.data[0]<<8L)|
+			 (unsigned long)os.data[1];
+		}
+	else
+		{
+		SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
+		return(NULL);
+		}
+	
+	ret->cipher=NULL;
+	ret->cipher_id=id;
+
+	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
+	if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
+		i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
+	else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
+		i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
+
+	if (os.length > i)
+		os.length = i;
+	if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
+		os.length = sizeof(ret->session_id);
+
+	ret->session_id_length=os.length;
+	OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
+	memcpy(ret->session_id,os.data,os.length);
+
+	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
+	if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
+		ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
+	else
+		ret->master_key_length=os.length;
+	memcpy(ret->master_key,os.data,ret->master_key_length);
+
+	os.length=0;
+
+#ifndef OPENSSL_NO_KRB5
+	os.length=0;
+	M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING);
+	if (os.data)
+		{
+        	if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
+            		ret->krb5_client_princ_len=0;
+		else
+			ret->krb5_client_princ_len=os.length;
+		memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len);
+		OPENSSL_free(os.data);
+		os.data = NULL;
+		os.length = 0;
+		}
+	else
+		ret->krb5_client_princ_len=0;
+#endif /* OPENSSL_NO_KRB5 */
+
+	M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
+	if (os.length > SSL_MAX_KEY_ARG_LENGTH)
+		ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
+	else
+		ret->key_arg_length=os.length;
+	memcpy(ret->key_arg,os.data,ret->key_arg_length);
+	if (os.data != NULL) OPENSSL_free(os.data);
+
+	ai.length=0;
+	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
+	if (ai.data != NULL)
+		{
+		ret->time=ASN1_INTEGER_get(aip);
+		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
+		}
+	else
+		ret->time=(unsigned long)time(NULL);
+
+	ai.length=0;
+	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
+	if (ai.data != NULL)
+		{
+		ret->timeout=ASN1_INTEGER_get(aip);
+		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
+		}
+	else
+		ret->timeout=3;
+
+	if (ret->peer != NULL)
+		{
+		X509_free(ret->peer);
+		ret->peer=NULL;
+		}
+	M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
+
+	os.length=0;
+	os.data=NULL;
+	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
+
+	if(os.data != NULL)
+	    {
+	    if (os.length > SSL_MAX_SID_CTX_LENGTH)
+		{
+		ret->sid_ctx_length=os.length;
+		SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
+		}
+	    else
+		{
+		ret->sid_ctx_length=os.length;
+		memcpy(ret->sid_ctx,os.data,os.length);
+		}
+	    OPENSSL_free(os.data); os.data=NULL; os.length=0;
+	    }
+	else
+	    ret->sid_ctx_length=0;
+
+	ai.length=0;
+	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
+	if (ai.data != NULL)
+		{
+		ret->verify_result=ASN1_INTEGER_get(aip);
+		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
+		}
+	else
+		ret->verify_result=X509_V_OK;
+
+#ifndef OPENSSL_NO_TLSEXT
+	os.length=0;
+	os.data=NULL;
+	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,6);
+	if (os.data)
+		{
+		ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length);
+		OPENSSL_free(os.data);
+		os.data = NULL;
+		os.length = 0;
+		}
+	else
+		ret->tlsext_hostname=NULL;
+	ai.length=0;
+	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,9);
+	if (ai.data != NULL)
+		{
+		ret->tlsext_tick_lifetime_hint=ASN1_INTEGER_get(aip);
+		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
+		}
+	else if (ret->tlsext_ticklen && ret->session_id_length)
+		ret->tlsext_tick_lifetime_hint = -1;
+	else
+		ret->tlsext_tick_lifetime_hint = 0;
+ 	os.length=0;
+ 	os.data=NULL;
+  	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,10);
+ 	if (os.data)
+ 		{
+		ret->tlsext_tick = os.data;
+		ret->tlsext_ticklen = os.length;
+ 		os.data = NULL;
+ 		os.length = 0;
+#if 0
+		/* There are two ways to detect a resumed ticket sesion.
+		 * One is to set a random session ID and then the server
+		 * must return a match in ServerHello. This allows the normal
+		 * client session ID matching to work.
+		 */ 
+		if (ret->session_id_length == 0)
+			{
+			ret->session_id_length=SSL3_MAX_SSL_SESSION_ID_LENGTH;
+			RAND_pseudo_bytes(ret->session_id,
+						ret->session_id_length);
+			}
+#endif
+ 		}
+	else
+		ret->tlsext_tick=NULL;
+#endif /* OPENSSL_NO_TLSEXT */
+
+	M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
+	}