Initial import

1 files changed, 854 insertions, 0 deletions

diff --git a/openssl/crypto/asn1/asn1_gen.c b/openssl/crypto/asn1/asn1_gen.c
new file mode 100644
index 00000000..4fc24190
--- /dev/null
+++ b/openssl/crypto/asn1/asn1_gen.c
@@ -0,0 +1,854 @@
+/* asn1_gen.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2002.
+ */
+/* ====================================================================
+ * Copyright (c) 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
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include "cryptlib.h"
+#include <openssl/asn1.h>
+#include <openssl/x509v3.h>
+
+#define ASN1_GEN_FLAG		0x10000
+#define ASN1_GEN_FLAG_IMP	(ASN1_GEN_FLAG|1)
+#define ASN1_GEN_FLAG_EXP	(ASN1_GEN_FLAG|2)
+#define ASN1_GEN_FLAG_TAG	(ASN1_GEN_FLAG|3)
+#define ASN1_GEN_FLAG_BITWRAP	(ASN1_GEN_FLAG|4)
+#define ASN1_GEN_FLAG_OCTWRAP	(ASN1_GEN_FLAG|5)
+#define ASN1_GEN_FLAG_SEQWRAP	(ASN1_GEN_FLAG|6)
+#define ASN1_GEN_FLAG_SETWRAP	(ASN1_GEN_FLAG|7)
+#define ASN1_GEN_FLAG_FORMAT	(ASN1_GEN_FLAG|8)
+
+#define ASN1_GEN_STR(str,val)	{str, sizeof(str) - 1, val}
+
+#define ASN1_FLAG_EXP_MAX	20
+
+/* Input formats */
+
+/* ASCII: default */
+#define ASN1_GEN_FORMAT_ASCII	1
+/* UTF8 */
+#define ASN1_GEN_FORMAT_UTF8	2
+/* Hex */
+#define ASN1_GEN_FORMAT_HEX	3
+/* List of bits */
+#define ASN1_GEN_FORMAT_BITLIST	4
+
+
+struct tag_name_st
+	{
+	const char *strnam;
+	int len;
+	int tag;
+	};
+
+typedef struct
+	{
+	int exp_tag;
+	int exp_class;
+	int exp_constructed;
+	int exp_pad;
+	long exp_len;
+	} tag_exp_type;
+
+typedef struct
+	{
+	int imp_tag;
+	int imp_class;
+	int utype;
+	int format;
+	const char *str;
+	tag_exp_type exp_list[ASN1_FLAG_EXP_MAX];
+	int exp_count;
+	} tag_exp_arg;
+
+static int bitstr_cb(const char *elem, int len, void *bitstr);
+static int asn1_cb(const char *elem, int len, void *bitstr);
+static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok);
+static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass);
+static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf);
+static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype);
+static int asn1_str2tag(const char *tagstr, int len);
+
+ASN1_TYPE *ASN1_generate_nconf(char *str, CONF *nconf)
+	{
+	X509V3_CTX cnf;
+
+	if (!nconf)
+		return ASN1_generate_v3(str, NULL);
+
+	X509V3_set_nconf(&cnf, nconf);
+	return ASN1_generate_v3(str, &cnf);
+	}
+
+ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)
+	{
+	ASN1_TYPE *ret;
+	tag_exp_arg asn1_tags;
+	tag_exp_type *etmp;
+
+	int i, len;
+
+	unsigned char *orig_der = NULL, *new_der = NULL;
+	const unsigned char *cpy_start;
+	unsigned char *p;
+	const unsigned char *cp;
+	int cpy_len;
+	long hdr_len;
+	int hdr_constructed = 0, hdr_tag, hdr_class;
+	int r;
+
+	asn1_tags.imp_tag = -1;
+	asn1_tags.imp_class = -1;
+	asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
+	asn1_tags.exp_count = 0;
+	if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
+		return NULL;
+
+	if ((asn1_tags.utype == V_ASN1_SEQUENCE) || (asn1_tags.utype == V_ASN1_SET))
+		{
+		if (!cnf)
+			{
+			ASN1err(ASN1_F_ASN1_GENERATE_V3, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);
+			return NULL;
+			}
+		ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);
+		}
+	else
+		ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);
+
+	if (!ret)
+		return NULL;
+
+	/* If no tagging return base type */
+	if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))
+		return ret;
+
+	/* Generate the encoding */
+	cpy_len = i2d_ASN1_TYPE(ret, &orig_der);
+	ASN1_TYPE_free(ret);
+	ret = NULL;
+	/* Set point to start copying for modified encoding */
+	cpy_start = orig_der;
+
+	/* Do we need IMPLICIT tagging? */
+	if (asn1_tags.imp_tag != -1)
+		{
+		/* If IMPLICIT we will replace the underlying tag */
+		/* Skip existing tag+len */
+		r = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class, cpy_len);
+		if (r & 0x80)
+			goto err;
+		/* Update copy length */
+		cpy_len -= cpy_start - orig_der;
+		/* For IMPLICIT tagging the length should match the
+		 * original length and constructed flag should be
+		 * consistent.
+		 */
+		if (r & 0x1)
+			{
+			/* Indefinite length constructed */
+			hdr_constructed = 2;
+			hdr_len = 0;
+			}
+		else
+			/* Just retain constructed flag */
+			hdr_constructed = r & V_ASN1_CONSTRUCTED;
+		/* Work out new length with IMPLICIT tag: ignore constructed
+		 * because it will mess up if indefinite length
+		 */
+		len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);
+		}
+	else
+		len = cpy_len;
+
+	/* Work out length in any EXPLICIT, starting from end */
+
+	for(i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1; i < asn1_tags.exp_count; i++, etmp--)
+		{
+		/* Content length: number of content octets + any padding */
+		len += etmp->exp_pad;
+		etmp->exp_len = len;
+		/* Total object length: length including new header */
+		len = ASN1_object_size(0, len, etmp->exp_tag);
+		}
+
+	/* Allocate buffer for new encoding */
+
+	new_der = OPENSSL_malloc(len);
+	if (!new_der)
+		goto err;
+
+	/* Generate tagged encoding */
+
+	p = new_der;
+
+	/* Output explicit tags first */
+
+	for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count; i++, etmp++)
+		{
+		ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,
+					etmp->exp_tag, etmp->exp_class);
+		if (etmp->exp_pad)
+			*p++ = 0;
+		}
+
+	/* If IMPLICIT, output tag */
+
+	if (asn1_tags.imp_tag != -1)
+		{
+		if (asn1_tags.imp_class == V_ASN1_UNIVERSAL 
+		    && (asn1_tags.imp_tag == V_ASN1_SEQUENCE
+		     || asn1_tags.imp_tag == V_ASN1_SET) )
+			hdr_constructed = V_ASN1_CONSTRUCTED;
+		ASN1_put_object(&p, hdr_constructed, hdr_len,
+					asn1_tags.imp_tag, asn1_tags.imp_class);
+		}
+
+	/* Copy across original encoding */
+	memcpy(p, cpy_start, cpy_len);
+
+	cp = new_der;
+
+	/* Obtain new ASN1_TYPE structure */
+	ret = d2i_ASN1_TYPE(NULL, &cp, len);
+
+	err:
+	if (orig_der)
+		OPENSSL_free(orig_der);
+	if (new_der)
+		OPENSSL_free(new_der);
+
+	return ret;
+
+	}
+
+static int asn1_cb(const char *elem, int len, void *bitstr)
+	{
+	tag_exp_arg *arg = bitstr;
+	int i;
+	int utype;
+	int vlen = 0;
+	const char *p, *vstart = NULL;
+
+	int tmp_tag, tmp_class;
+
+	for(i = 0, p = elem; i < len; p++, i++)
+		{
+		/* Look for the ':' in name value pairs */
+		if (*p == ':')
+			{
+			vstart = p + 1;
+			vlen = len - (vstart - elem);
+			len = p - elem;
+			break;
+			}
+		}
+
+	utype = asn1_str2tag(elem, len);
+
+	if (utype == -1)
+		{
+		ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
+		ERR_add_error_data(2, "tag=", elem);
+		return -1;
+		}
+
+	/* If this is not a modifier mark end of string and exit */
+	if (!(utype & ASN1_GEN_FLAG))
+		{
+		arg->utype = utype;
+		arg->str = vstart;
+		/* If no value and not end of string, error */
+		if (!vstart && elem[len])
+			{
+			ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
+			return -1;
+			}
+		return 0;
+		}
+
+	switch(utype)
+		{
+
+		case ASN1_GEN_FLAG_IMP:
+		/* Check for illegal multiple IMPLICIT tagging */
+		if (arg->imp_tag != -1)
+			{
+			ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
+			return -1;
+			}
+		if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class))
+			return -1;
+		break;
+
+		case ASN1_GEN_FLAG_EXP:
+
+		if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
+			return -1;
+		if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
+			return -1;
+		break;
+
+		case ASN1_GEN_FLAG_SEQWRAP:
+		if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
+			return -1;
+		break;
+
+		case ASN1_GEN_FLAG_SETWRAP:
+		if (!append_exp(arg, V_ASN1_SET, V_ASN1_UNIVERSAL, 1, 0, 1))
+			return -1;
+		break;
+
+		case ASN1_GEN_FLAG_BITWRAP:
+		if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
+			return -1;
+		break;
+
+		case ASN1_GEN_FLAG_OCTWRAP:
+		if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
+			return -1;
+		break;
+
+		case ASN1_GEN_FLAG_FORMAT:
+		if (!strncmp(vstart, "ASCII", 5))
+			arg->format = ASN1_GEN_FORMAT_ASCII;
+		else if (!strncmp(vstart, "UTF8", 4))
+			arg->format = ASN1_GEN_FORMAT_UTF8;
+		else if (!strncmp(vstart, "HEX", 3))
+			arg->format = ASN1_GEN_FORMAT_HEX;
+		else if (!strncmp(vstart, "BITLIST", 3))
+			arg->format = ASN1_GEN_FORMAT_BITLIST;
+		else
+			{
+			ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT);
+			return -1;
+			}
+		break;
+
+		}
+
+	return 1;
+
+	}
+
+static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass)
+	{
+	char erch[2];
+	long tag_num;
+	char *eptr;
+	if (!vstart)
+		return 0;
+	tag_num = strtoul(vstart, &eptr, 10);
+	/* Check we haven't gone past max length: should be impossible */
+	if (eptr && *eptr && (eptr > vstart + vlen))
+		return 0;
+	if (tag_num < 0)
+		{
+		ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_NUMBER);
+		return 0;
+		}
+	*ptag = tag_num;
+	/* If we have non numeric characters, parse them */
+	if (eptr)
+		vlen -= eptr - vstart;
+	else 
+		vlen = 0;
+	if (vlen)
+		{
+		switch (*eptr)
+			{
+
+			case 'U':
+			*pclass = V_ASN1_UNIVERSAL;
+			break;
+
+			case 'A':
+			*pclass = V_ASN1_APPLICATION;
+			break;
+
+			case 'P':
+			*pclass = V_ASN1_PRIVATE;
+			break;
+
+			case 'C':
+			*pclass = V_ASN1_CONTEXT_SPECIFIC;
+			break;
+
+			default:
+			erch[0] = *eptr;
+			erch[1] = 0;
+			ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_MODIFIER);
+			ERR_add_error_data(2, "Char=", erch);
+			return 0;
+			break;
+
+			}
+		}
+	else
+		*pclass = V_ASN1_CONTEXT_SPECIFIC;
+
+	return 1;
+
+	}
+
+/* Handle multiple types: SET and SEQUENCE */
+
+static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf)
+	{
+	ASN1_TYPE *ret = NULL;
+	STACK_OF(ASN1_TYPE) *sk = NULL;
+	STACK_OF(CONF_VALUE) *sect = NULL;
+	unsigned char *der = NULL;
+	int derlen;
+	int i;
+	sk = sk_ASN1_TYPE_new_null();
+	if (!sk)
+		goto bad;
+	if (section)
+		{
+		if (!cnf)
+			goto bad;
+		sect = X509V3_get_section(cnf, (char *)section);
+		if (!sect)
+			goto bad;
+		for (i = 0; i < sk_CONF_VALUE_num(sect); i++)
+			{
+			ASN1_TYPE *typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf);
+			if (!typ)
+				goto bad;
+			if (!sk_ASN1_TYPE_push(sk, typ))
+				goto bad;
+			}
+		}
+
+	/* Now we has a STACK of the components, convert to the correct form */
+
+	if (utype == V_ASN1_SET)
+		derlen = i2d_ASN1_SET_ANY(sk, &der);
+	else
+		derlen = i2d_ASN1_SEQUENCE_ANY(sk, &der);
+
+	if (derlen < 0)
+		goto bad;
+
+	if (!(ret = ASN1_TYPE_new()))
+		goto bad;
+
+	if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype)))
+		goto bad;
+
+	ret->type = utype;
+
+	ret->value.asn1_string->data = der;
+	ret->value.asn1_string->length = derlen;
+
+	der = NULL;
+
+	bad:
+
+	if (der)
+		OPENSSL_free(der);
+
+	if (sk)
+		sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free);
+	if (sect)
+		X509V3_section_free(cnf, sect);
+
+	return ret;
+	}
+
+static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok)
+	{
+	tag_exp_type *exp_tmp;
+	/* Can only have IMPLICIT if permitted */
+	if ((arg->imp_tag != -1) && !imp_ok)
+		{
+		ASN1err(ASN1_F_APPEND_EXP, ASN1_R_ILLEGAL_IMPLICIT_TAG);
+		return 0;
+		}
+
+	if (arg->exp_count == ASN1_FLAG_EXP_MAX)
+		{
+		ASN1err(ASN1_F_APPEND_EXP, ASN1_R_DEPTH_EXCEEDED);
+		return 0;
+		}
+
+	exp_tmp = &arg->exp_list[arg->exp_count++];
+
+	/* If IMPLICIT set tag to implicit value then
+	 * reset implicit tag since it has been used.
+	 */
+	if (arg->imp_tag != -1)
+		{
+		exp_tmp->exp_tag = arg->imp_tag;
+		exp_tmp->exp_class = arg->imp_class;
+		arg->imp_tag = -1;
+		arg->imp_class = -1;
+		}
+	else
+		{
+		exp_tmp->exp_tag = exp_tag;
+		exp_tmp->exp_class = exp_class;
+		}
+	exp_tmp->exp_constructed = exp_constructed;
+	exp_tmp->exp_pad = exp_pad;
+
+	return 1;
+	}
+
+
+static int asn1_str2tag(const char *tagstr, int len)
+	{
+	unsigned int i;
+	static const struct tag_name_st *tntmp, tnst [] = {
+		ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN),
+		ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN),
+		ASN1_GEN_STR("NULL", V_ASN1_NULL),
+		ASN1_GEN_STR("INT", V_ASN1_INTEGER),
+		ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER),
+		ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED),
+		ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED),
+		ASN1_GEN_STR("OID", V_ASN1_OBJECT),
+		ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT),
+		ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME),
+		ASN1_GEN_STR("UTC", V_ASN1_UTCTIME),
+		ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME),
+		ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME),
+		ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING),
+		ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING),
+		ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING),
+		ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING),
+		ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING),
+		ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING),
+		ASN1_GEN_STR("IA5", V_ASN1_IA5STRING),
+		ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING),
+		ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING),
+		ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING),
+		ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING),
+		ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING),
+		ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING),
+		ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING),
+		ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING),
+		ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING),
+		ASN1_GEN_STR("T61", V_ASN1_T61STRING),
+		ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING),
+		ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING),
+		ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING),
+		ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING),
+		ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING),
+		ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING),
+
+		/* Special cases */
+		ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE),
+		ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE),
+		ASN1_GEN_STR("SET", V_ASN1_SET),
+		/* type modifiers */
+		/* Explicit tag */
+		ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP),
+		ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP),
+		/* Implicit tag */
+		ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP),
+		ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP),
+		/* OCTET STRING wrapper */
+		ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP),
+		/* SEQUENCE wrapper */
+		ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP),
+		/* SET wrapper */
+		ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP),
+		/* BIT STRING wrapper */
+		ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP),
+		ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT),
+		ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT),
+	};
+
+	if (len == -1)
+		len = strlen(tagstr);
+	
+	tntmp = tnst;	
+	for (i = 0; i < sizeof(tnst) / sizeof(struct tag_name_st); i++, tntmp++)
+		{
+		if ((len == tntmp->len) && !strncmp(tntmp->strnam, tagstr, len))
+			return tntmp->tag;
+		}
+	
+	return -1;
+	}
+
+static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype)
+	{
+	ASN1_TYPE *atmp = NULL;
+
+	CONF_VALUE vtmp;
+
+	unsigned char *rdata;
+	long rdlen;
+
+	int no_unused = 1;
+
+	if (!(atmp = ASN1_TYPE_new()))
+		{
+		ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+		return NULL;
+		}
+
+	if (!str)
+		str = "";
+
+	switch(utype)
+		{
+
+		case V_ASN1_NULL:
+		if (str && *str)
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_NULL_VALUE);
+			goto bad_form;
+			}
+		break;
+		
+		case V_ASN1_BOOLEAN:
+		if (format != ASN1_GEN_FORMAT_ASCII)
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_NOT_ASCII_FORMAT);
+			goto bad_form;
+			}
+		vtmp.name = NULL;
+		vtmp.section = NULL;
+		vtmp.value = (char *)str;
+		if (!X509V3_get_value_bool(&vtmp, &atmp->value.boolean))
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BOOLEAN);
+			goto bad_str;
+			}
+		break;
+
+		case V_ASN1_INTEGER:
+		case V_ASN1_ENUMERATED:
+		if (format != ASN1_GEN_FORMAT_ASCII)
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_INTEGER_NOT_ASCII_FORMAT);
+			goto bad_form;
+			}
+		if (!(atmp->value.integer = s2i_ASN1_INTEGER(NULL, (char *)str)))
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_INTEGER);
+			goto bad_str;
+			}
+		break;
+
+		case V_ASN1_OBJECT:
+		if (format != ASN1_GEN_FORMAT_ASCII)
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_OBJECT_NOT_ASCII_FORMAT);
+			goto bad_form;
+			}
+		if (!(atmp->value.object = OBJ_txt2obj(str, 0)))
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_OBJECT);
+			goto bad_str;
+			}
+		break;
+
+		case V_ASN1_UTCTIME:
+		case V_ASN1_GENERALIZEDTIME:
+		if (format != ASN1_GEN_FORMAT_ASCII)
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_TIME_NOT_ASCII_FORMAT);
+			goto bad_form;
+			}
+		if (!(atmp->value.asn1_string = ASN1_STRING_new()))
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+			goto bad_str;
+			}
+		if (!ASN1_STRING_set(atmp->value.asn1_string, str, -1))
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+			goto bad_str;
+			}
+		atmp->value.asn1_string->type = utype;
+		if (!ASN1_TIME_check(atmp->value.asn1_string))
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_TIME_VALUE);
+			goto bad_str;
+			}
+
+		break;
+
+		case V_ASN1_BMPSTRING:
+		case V_ASN1_PRINTABLESTRING:
+		case V_ASN1_IA5STRING:
+		case V_ASN1_T61STRING:
+		case V_ASN1_UTF8STRING:
+		case V_ASN1_VISIBLESTRING:
+		case V_ASN1_UNIVERSALSTRING:
+		case V_ASN1_GENERALSTRING:
+		case V_ASN1_NUMERICSTRING:
+
+		if (format == ASN1_GEN_FORMAT_ASCII)
+			format = MBSTRING_ASC;
+		else if (format == ASN1_GEN_FORMAT_UTF8)
+			format = MBSTRING_UTF8;
+		else
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_FORMAT);
+			goto bad_form;
+			}
+
+
+		if (ASN1_mbstring_copy(&atmp->value.asn1_string, (unsigned char *)str,
+						-1, format, ASN1_tag2bit(utype)) <= 0)
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+			goto bad_str;
+			}
+		
+
+		break;
+
+		case V_ASN1_BIT_STRING:
+
+		case V_ASN1_OCTET_STRING:
+
+		if (!(atmp->value.asn1_string = ASN1_STRING_new()))
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+			goto bad_form;
+			}
+
+		if (format == ASN1_GEN_FORMAT_HEX)
+			{
+
+			if (!(rdata = string_to_hex((char *)str, &rdlen)))
+				{
+				ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_HEX);
+				goto bad_str;
+				}
+
+			atmp->value.asn1_string->data = rdata;
+			atmp->value.asn1_string->length = rdlen;
+			atmp->value.asn1_string->type = utype;
+
+			}
+		else if (format == ASN1_GEN_FORMAT_ASCII)
+			ASN1_STRING_set(atmp->value.asn1_string, str, -1);
+		else if ((format == ASN1_GEN_FORMAT_BITLIST) && (utype == V_ASN1_BIT_STRING))
+			{
+			if (!CONF_parse_list(str, ',', 1, bitstr_cb, atmp->value.bit_string))
+				{
+				ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_LIST_ERROR);
+				goto bad_str;
+				}
+			no_unused = 0;
+			
+			}
+		else 
+			{
+			ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BITSTRING_FORMAT);
+			goto bad_form;
+			}
+
+		if ((utype == V_ASN1_BIT_STRING) && no_unused)
+			{
+			atmp->value.asn1_string->flags
+				&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
+        		atmp->value.asn1_string->flags
+				|= ASN1_STRING_FLAG_BITS_LEFT;
+			}
+
+
+		break;
+
+		default:
+		ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_UNSUPPORTED_TYPE);
+		goto bad_str;
+		break;
+		}
+
+
+	atmp->type = utype;
+	return atmp;
+
+
+	bad_str:
+	ERR_add_error_data(2, "string=", str);
+	bad_form:
+
+	ASN1_TYPE_free(atmp);
+	return NULL;
+
+	}
+
+static int bitstr_cb(const char *elem, int len, void *bitstr)
+	{
+	long bitnum;
+	char *eptr;
+	if (!elem)
+		return 0;
+	bitnum = strtoul(elem, &eptr, 10);
+	if (eptr && *eptr && (eptr != elem + len))
+		return 0;
+	if (bitnum < 0)
+		{
+		ASN1err(ASN1_F_BITSTR_CB, ASN1_R_INVALID_NUMBER);
+		return 0;
+		}
+	if (!ASN1_BIT_STRING_set_bit(bitstr, bitnum, 1))
+		{
+		ASN1err(ASN1_F_BITSTR_CB, ERR_R_MALLOC_FAILURE);
+		return 0;
+		}
+	return 1;
+	}
+