Import of old SSLeay release: SSLeay 0.8.1b

1 files changed, 299 insertions, 0 deletions

diff --git a/crypto/asn1/p7_lib.c b/crypto/asn1/p7_lib.c
new file mode 100644
index 0000000000..b745df0944
--- /dev/null
+++ b/crypto/asn1/p7_lib.c
@@ -0,0 +1,299 @@
+/* crypto/asn1/p7_lib.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 "asn1_mac.h"
+#include "objects.h"
+
+/* ASN1err(ASN1_F_D2I_PKCS7,ASN1_R_BAD_PKCS7_CONTENT);
+ * ASN1err(ASN1_F_I2D_PKCS7,ASN1_R_BAD_PKCS7_TYPE);
+ * ASN1err(ASN1_F_PKCS7_NEW,ASN1_R_BAD_PKCS7_TYPE);
+ */
+
+int i2d_PKCS7(a,pp)
+PKCS7 *a;
+unsigned char **pp;
+	{
+	M_ASN1_I2D_vars(a);
+
+	if (a->asn1 != NULL)
+		{
+		if (pp == NULL)
+			return((int)a->length);
+		memcpy(*pp,a->asn1,(int)a->length);
+		*pp+=a->length;
+		return((int)a->length);
+		}
+
+	ret+=4; /* sequence, BER header plus '0 0' end padding */
+	M_ASN1_I2D_len(a->type,i2d_ASN1_OBJECT);
+	if (a->d.ptr != NULL)
+		{
+		ret+=4; /* explicit tag [ 0 ] BER plus '0 0' */
+		switch (OBJ_obj2nid(a->type))
+			{
+		case NID_pkcs7_data:
+			M_ASN1_I2D_len(a->d.data,i2d_ASN1_OCTET_STRING);
+			break;
+		case NID_pkcs7_signed:
+			M_ASN1_I2D_len(a->d.sign,i2d_PKCS7_SIGNED);
+			break;
+		case NID_pkcs7_enveloped:
+			M_ASN1_I2D_len(a->d.enveloped,i2d_PKCS7_ENVELOPE);
+			break;
+		case NID_pkcs7_signedAndEnveloped:
+			M_ASN1_I2D_len(a->d.signed_and_enveloped,
+				i2d_PKCS7_SIGN_ENVELOPE);
+			break;
+		case NID_pkcs7_digest:
+			M_ASN1_I2D_len(a->d.digest,i2d_PKCS7_DIGEST);
+			break;
+		case NID_pkcs7_encrypted:
+			M_ASN1_I2D_len(a->d.encrypted,i2d_PKCS7_ENCRYPT);
+			break;
+		default:
+			break;
+			}
+		}
+	r=ret;
+	if (pp == NULL) return(r);
+	p= *pp;
+	M_ASN1_I2D_INF_seq_start(V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
+	M_ASN1_I2D_put(a->type,i2d_ASN1_OBJECT);
+
+	if (a->d.ptr != NULL)
+		{
+		M_ASN1_I2D_INF_seq_start(0,V_ASN1_CONTEXT_SPECIFIC);
+		switch (OBJ_obj2nid(a->type))
+			{
+		case NID_pkcs7_data:
+			M_ASN1_I2D_put(a->d.data,i2d_ASN1_OCTET_STRING);
+			break;
+		case NID_pkcs7_signed:
+			M_ASN1_I2D_put(a->d.sign,i2d_PKCS7_SIGNED);
+			break;
+		case NID_pkcs7_enveloped:
+			M_ASN1_I2D_put(a->d.enveloped,i2d_PKCS7_ENVELOPE);
+			break;
+		case NID_pkcs7_signedAndEnveloped:
+			M_ASN1_I2D_put(a->d.signed_and_enveloped,
+				i2d_PKCS7_SIGN_ENVELOPE);
+			break;
+		case NID_pkcs7_digest:
+			M_ASN1_I2D_put(a->d.digest,i2d_PKCS7_DIGEST);
+			break;
+		case NID_pkcs7_encrypted:
+			M_ASN1_I2D_put(a->d.encrypted,i2d_PKCS7_ENCRYPT);
+			break;
+		default:
+			break;
+			}
+		M_ASN1_I2D_INF_seq_end();
+		}
+	M_ASN1_I2D_INF_seq_end();
+	M_ASN1_I2D_finish();
+	}
+
+PKCS7 *d2i_PKCS7(a,pp,length)
+PKCS7 **a;
+unsigned char **pp;
+long length;
+	{
+	M_ASN1_D2I_vars(a,PKCS7 *,PKCS7_new);
+
+	if ((a != NULL) && ((*a) != NULL))
+		{
+		if ((*a)->asn1 != NULL)
+			{
+			Free((char *)(*a)->asn1);
+			(*a)->asn1=NULL;
+			}
+		(*a)->length=0;
+		}
+
+	M_ASN1_D2I_Init();
+	M_ASN1_D2I_start_sequence();
+	M_ASN1_D2I_get(ret->type,d2i_ASN1_OBJECT);
+	if (!M_ASN1_D2I_end_sequence())
+		{
+		int Tinf,Ttag,Tclass;
+		long Tlen;
+
+		if (M_ASN1_next != (V_ASN1_CONSTRUCTED|
+			V_ASN1_CONTEXT_SPECIFIC|0))
+			{
+			c.error=ASN1_R_BAD_PKCS7_CONTENT;
+			goto err;
+			}
+
+		ret->detached=0;
+
+		c.q=c.p;
+		Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,
+			(c.inf & 1)?(length+ *pp-c.q):c.slen);
+		if (Tinf & 0x80) goto err;
+		c.slen-=(c.p-c.q);
+
+		switch (OBJ_obj2nid(ret->type))
+			{
+		case NID_pkcs7_data:
+			M_ASN1_D2I_get(ret->d.data,d2i_ASN1_OCTET_STRING);
+			break;
+		case NID_pkcs7_signed:
+			M_ASN1_D2I_get(ret->d.sign,d2i_PKCS7_SIGNED);
+			if (ret->d.sign->contents->d.ptr == NULL)
+				ret->detached=1;
+			break;
+		case NID_pkcs7_enveloped:
+			M_ASN1_D2I_get(ret->d.enveloped,d2i_PKCS7_ENVELOPE);
+			break;
+		case NID_pkcs7_signedAndEnveloped:
+			M_ASN1_D2I_get(ret->d.signed_and_enveloped,
+				d2i_PKCS7_SIGN_ENVELOPE);
+			break;
+		case NID_pkcs7_digest:
+			M_ASN1_D2I_get(ret->d.digest,d2i_PKCS7_DIGEST);
+			break;
+		case NID_pkcs7_encrypted:
+			M_ASN1_D2I_get(ret->d.encrypted,d2i_PKCS7_ENCRYPT);
+			break;
+		default:
+			c.error=ASN1_R_BAD_PKCS7_TYPE;
+			goto err;
+			break;
+			}
+		if (Tinf == (1|V_ASN1_CONSTRUCTED))
+			{
+			if (!ASN1_check_infinite_end(&c.p,c.slen))
+				{
+				c.error=ASN1_R_MISSING_EOS;
+				goto err;
+				}
+			}
+		}
+	else
+		ret->detached=1;
+		
+	M_ASN1_D2I_Finish(a,PKCS7_free,ASN1_F_D2I_PKCS7);
+	}
+
+PKCS7 *PKCS7_new()
+	{
+	PKCS7 *ret=NULL;
+
+	M_ASN1_New_Malloc(ret,PKCS7);
+	ret->type=ASN1_OBJECT_new();
+	ret->asn1=NULL;
+	ret->length=0;
+	ret->detached=0;
+	ret->d.ptr=NULL;
+	return(ret);
+	M_ASN1_New_Error(ASN1_F_PKCS7_NEW);
+	}
+
+void PKCS7_free(a)
+PKCS7 *a;
+	{
+	if (a == NULL) return;
+
+	PKCS7_content_free(a);
+	if (a->type != NULL)
+		{
+		ASN1_OBJECT_free(a->type);
+		}
+	Free((char *)(char *)a);
+	}
+
+void PKCS7_content_free(a)
+PKCS7 *a;
+	{
+	if (a->asn1 != NULL) Free((char *)a->asn1);
+
+	if (a->d.ptr != NULL)
+		{
+		if (a->type == NULL) return;
+
+		switch (OBJ_obj2nid(a->type))
+			{
+		case NID_pkcs7_data:
+			ASN1_OCTET_STRING_free(a->d.data);
+			break;
+		case NID_pkcs7_signed:
+			PKCS7_SIGNED_free(a->d.sign);
+			break;
+		case NID_pkcs7_enveloped:
+			PKCS7_ENVELOPE_free(a->d.enveloped);
+			break;
+		case NID_pkcs7_signedAndEnveloped:
+			PKCS7_SIGN_ENVELOPE_free(a->d.signed_and_enveloped);
+			break;
+		case NID_pkcs7_digest:
+			PKCS7_DIGEST_free(a->d.digest);
+			break;
+		case NID_pkcs7_encrypted:
+			PKCS7_ENCRYPT_free(a->d.encrypted);
+			break;
+		default:
+			/* MEMORY LEAK */
+			break;
+			}
+		}
+	a->d.ptr=NULL;
+	}
+