Import of old SSLeay release: SSLeay 0.8.1b

1 files changed, 147 insertions, 0 deletions

diff --git a/crypto/asn1/x_exten.c b/crypto/asn1/x_exten.c
new file mode 100644
index 0000000000..89daf3f226
--- /dev/null
+++ b/crypto/asn1/x_exten.c
@@ -0,0 +1,147 @@
+/* crypto/asn1/x_exten.c */
+/* Copyright (C) 1995-1997 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 "cryptlib.h"
+#include "objects.h"
+#include "asn1_mac.h"
+
+/*
+ * ASN1err(ASN1_F_D2I_X509_EXTENSION,ASN1_R_LENGTH_MISMATCH);
+ * ASN1err(ASN1_F_X509_EXTENSION_NEW,ASN1_R_LENGTH_MISMATCH);
+ */
+
+int i2d_X509_EXTENSION(a,pp)
+X509_EXTENSION *a;
+unsigned char **pp;
+	{
+	int k=0;
+	int r=0,ret=0;
+	unsigned char **p=NULL;
+
+	if (a == NULL) return(0);
+
+	p=NULL;
+	for (;;)
+		{
+		if (k)
+			{
+			r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
+			if (pp == NULL) return(r);
+			p=pp;
+			ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE,
+				V_ASN1_UNIVERSAL);
+			}
+
+		ret+=i2d_ASN1_OBJECT(a->object,p);
+		if ((a->critical) || a->netscape_hack)
+			ret+=i2d_ASN1_BOOLEAN(a->critical,p);
+		ret+=i2d_ASN1_OCTET_STRING(a->value,p);
+		if (k++) return(r);
+		}
+	}
+
+X509_EXTENSION *d2i_X509_EXTENSION(a,pp,length)
+X509_EXTENSION **a;
+unsigned char **pp;
+long length;
+	{
+	int i;
+	M_ASN1_D2I_vars(a,X509_EXTENSION *,X509_EXTENSION_new);
+
+	M_ASN1_D2I_Init();
+	M_ASN1_D2I_start_sequence();
+	M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
+
+	ret->netscape_hack=0;
+	if ((c.slen != 0) &&
+		(M_ASN1_next == (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN)))
+		{
+		c.q=c.p;
+		if (d2i_ASN1_BOOLEAN(&i,&c.p,c.slen) < 0) goto err;
+		ret->critical=i;
+		c.slen-=(c.p-c.q);
+		if (ret->critical == 0) ret->netscape_hack=1;
+		}
+	M_ASN1_D2I_get(ret->value,d2i_ASN1_OCTET_STRING);
+
+	M_ASN1_D2I_Finish(a,X509_EXTENSION_free,ASN1_F_D2I_X509_EXTENSION);
+	}
+
+X509_EXTENSION *X509_EXTENSION_new()
+	{
+	X509_EXTENSION *ret=NULL;
+
+	M_ASN1_New_Malloc(ret,X509_EXTENSION);
+	M_ASN1_New(ret->object,ASN1_OBJECT_new);
+	M_ASN1_New(ret->value,ASN1_OCTET_STRING_new);
+	ret->critical=0;
+	ret->netscape_hack=0;
+	return(ret);
+	M_ASN1_New_Error(ASN1_F_X509_EXTENSION_NEW);
+	}
+	
+void X509_EXTENSION_free(a)
+X509_EXTENSION *a;
+	{
+	if (a == NULL) return;
+	ASN1_OBJECT_free(a->object);
+	ASN1_OCTET_STRING_free(a->value);
+	Free((char *)a);
+	}
+