crypto/asn1/tasn_prn.c - platform/external/openssl - Git at Google

 /* tasn_prn.c */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2000.
  */
 /* ====================================================================
  * Copyright (c) 2000,2005 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 <stddef.h>
 #include "cryptlib.h"
 #include <openssl/asn1.h>
 #include <openssl/asn1t.h>
 #include <openssl/objects.h>
 #include <openssl/buffer.h>
 #include <openssl/err.h>
 #include <openssl/x509v3.h>
 #include "asn1_locl.h"

 /* Print routines.
  */

 /* ASN1_PCTX routines */

 ASN1_PCTX default_pctx =
 	{
 	ASN1_PCTX_FLAGS_SHOW_ABSENT,	/* flags */
 	0,	/* nm_flags */
 	0,	/* cert_flags */
 	0,	/* oid_flags */
 	0	/* str_flags */
 	};


 ASN1_PCTX *ASN1_PCTX_new(void)
 	{
 	ASN1_PCTX *ret;
 	ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
 	if (ret == NULL)
 		{
 		ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
 		return NULL;
 		}
 	ret->flags = 0;
 	ret->nm_flags = 0;
 	ret->cert_flags = 0;
 	ret->oid_flags = 0;
 	ret->str_flags = 0;
 	return ret;
 	}

 void ASN1_PCTX_free(ASN1_PCTX *p)
 	{
 	OPENSSL_free(p);
 	}

 unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
 	{
 	return p->flags;
 	}

 void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
 	{
 	p->flags = flags;
 	}

 unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
 	{
 	return p->nm_flags;
 	}

 void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
 	{
 	p->nm_flags = flags;
 	}

 unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
 	{
 	return p->cert_flags;
 	}

 void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
 	{
 	p->cert_flags = flags;
 	}

 unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
 	{
 	return p->oid_flags;
 	}

 void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
 	{
 	p->oid_flags = flags;
 	}

 unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
 	{
 	return p->str_flags;
 	}

 void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
 	{
 	p->str_flags = flags;
 	}

 /* Main print routines */

 static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
 				const ASN1_ITEM *it,
 				const char *fname, const char *sname,
 				int nohdr, const ASN1_PCTX *pctx);

 int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
 				const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx);

 static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
 				const ASN1_ITEM *it, int indent,
 				const char *fname, const char *sname,
 				const ASN1_PCTX *pctx);

 static int asn1_print_fsname(BIO *out, int indent,
 			const char *fname, const char *sname,
 			const ASN1_PCTX *pctx);

 int ASN1_item_print(BIO *out, ASN1_VALUE *ifld, int indent,
 				const ASN1_ITEM *it, const ASN1_PCTX *pctx)
 	{
 	const char *sname;
 	if (pctx == NULL)
 		pctx = &default_pctx;
 	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
 		sname = NULL;
 	else
 		sname = it->sname;
 	return asn1_item_print_ctx(out, &ifld, indent, it,
 							NULL, sname, 0, pctx);
 	}

 static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
 				const ASN1_ITEM *it,
 				const char *fname, const char *sname,
 				int nohdr, const ASN1_PCTX *pctx)
 	{
 	const ASN1_TEMPLATE *tt;
 	const ASN1_EXTERN_FUNCS *ef;
 	ASN1_VALUE **tmpfld;
 	const ASN1_AUX *aux = it->funcs;
 	ASN1_aux_cb *asn1_cb;
 	ASN1_PRINT_ARG parg;
 	int i;
 	if (aux && aux->asn1_cb)
 		{
 		parg.out = out;
 		parg.indent = indent;
 		parg.pctx = pctx;
 		asn1_cb = aux->asn1_cb;
 		}
 	else asn1_cb = 0;

 	if(*fld == NULL)
 		{
 		if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT)
 			{
 			if (!nohdr && !asn1_print_fsname(out, indent,
 							fname, sname, pctx))
 				return 0;
 			if (BIO_puts(out, "<ABSENT>\n") <= 0)
 				return 0;
 			}
 		return 1;
 		}

 	switch(it->itype)
 		{
 		case ASN1_ITYPE_PRIMITIVE:
 		if(it->templates)
 			{
 			if (!asn1_template_print_ctx(out, fld, indent,
 							it->templates, pctx))
 				return 0;
 			}
 		/* fall thru */
 		case ASN1_ITYPE_MSTRING:
 		if (!asn1_primitive_print(out, fld, it,
 				indent, fname, sname,pctx))
 			return 0;
 		break;

 		case ASN1_ITYPE_EXTERN:
 		if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
 			return 0;
 		/* Use new style print routine if possible */
 		ef = it->funcs;
 		if (ef && ef->asn1_ex_print)
 			{
 			i = ef->asn1_ex_print(out, fld, indent, "", pctx);
 			if (!i)
 				return 0;
 			if ((i == 2) && (BIO_puts(out, "\n") <= 0))
 				return 0;
 			return 1;
 			}
 		else if (sname &&
 			BIO_printf(out, ":EXTERNAL TYPE %s\n", sname) <= 0)
 			return 0;
 		break;

 		case ASN1_ITYPE_CHOICE:
 #if 0
 		if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
 			return 0;
 #endif
 		/* CHOICE type, get selector */
 		i = asn1_get_choice_selector(fld, it);
 		/* This should never happen... */
 		if((i < 0) || (i >= it->tcount))
 			{
 			if (BIO_printf(out,
 				"ERROR: selector [%d] invalid\n", i) <= 0)
 				return 0;
 			return 1;
 			}
 		tt = it->templates + i;
 		tmpfld = asn1_get_field_ptr(fld, tt);
 		if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
 			return 0;
 		break;

 		case ASN1_ITYPE_SEQUENCE:
 		case ASN1_ITYPE_NDEF_SEQUENCE:
 		if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
 			return 0;
 		if (fname || sname)
 			{
 			if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
 				{
 				if (BIO_puts(out, " {\n") <= 0)
 					return 0;
 				}
 			else
 				{
 				if (BIO_puts(out, "\n") <= 0)
 					return 0;
 				}
 			}

 		if (asn1_cb)
 			{
 			i = asn1_cb(ASN1_OP_PRINT_PRE, fld, it, &parg);
 			if (i == 0)
 				return 0;
 			if (i == 2)
 				return 1;
 			}

 		/* Print each field entry */
 		for(i = 0, tt = it->templates; i < it->tcount; i++, tt++)
 			{
 			const ASN1_TEMPLATE *seqtt;
 			seqtt = asn1_do_adb(fld, tt, 1);
 			tmpfld = asn1_get_field_ptr(fld, seqtt);
 			if (!asn1_template_print_ctx(out, tmpfld,
 						indent + 2, seqtt, pctx))
 				return 0;
 			}
 		if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
 			{
 			if (BIO_printf(out, "%*s}\n", indent, "") < 0)
 				return 0;
 			}

 		if (asn1_cb)
 			{
 			i = asn1_cb(ASN1_OP_PRINT_POST, fld, it, &parg);
 			if (i == 0)
 				return 0;
 			}
 		break;

 		default:
 		BIO_printf(out, "Unprocessed type %d\n", it->itype);
 		return 0;
 		}

 	return 1;
 	}

 int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
 				const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx)
 	{
 	int i, flags;
 	const char *sname, *fname;
 	flags = tt->flags;
 	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME)
 		sname = ASN1_ITEM_ptr(tt->item)->sname;
 	else
 		sname = NULL;
 	if(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
 		fname = NULL;
 	else
 		fname = tt->field_name;
 	if(flags & ASN1_TFLG_SK_MASK)
 		{
 		char *tname;
 		ASN1_VALUE *skitem;
 		STACK_OF(ASN1_VALUE) *stack;

 		/* SET OF, SEQUENCE OF */
 		if (fname)
 			{
 			if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SSOF)
 				{
 				if(flags & ASN1_TFLG_SET_OF)
 					tname = "SET";
 				else
 					tname = "SEQUENCE";
 				if (BIO_printf(out, "%*s%s OF %s {\n",
 					indent, "", tname, tt->field_name) <= 0)
 					return 0;
 				}
 			else if (BIO_printf(out, "%*s%s:\n", indent, "",
 					fname) <= 0)
 				return 0;
 			}
 		stack = (STACK_OF(ASN1_VALUE) *)*fld;
 		for(i = 0; i < sk_ASN1_VALUE_num(stack); i++)
 			{
 			if ((i > 0) && (BIO_puts(out, "\n") <= 0))
 				return 0;

 			skitem = sk_ASN1_VALUE_value(stack, i);
 			if (!asn1_item_print_ctx(out, &skitem, indent + 2,
 				ASN1_ITEM_ptr(tt->item), NULL, NULL, 1, pctx))
 				return 0;
 			}
 		if (!i && BIO_printf(out, "%*s<EMPTY>\n", indent + 2, "") <= 0)
 				return 0;
 		if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
 			{
 			if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
 				return 0;
 			}
 		return 1;
 		}
 	return asn1_item_print_ctx(out, fld, indent, ASN1_ITEM_ptr(tt->item),
 							fname, sname, 0, pctx);
 	}

 static int asn1_print_fsname(BIO *out, int indent,
 			const char *fname, const char *sname,
 			const ASN1_PCTX *pctx)
 	{
 	static char spaces[] = "                    ";
 	const int nspaces = sizeof(spaces) - 1;

 #if 0
 	if (!sname && !fname)
 		return 1;
 #endif

 	while (indent > nspaces)
 		{
 		if (BIO_write(out, spaces, nspaces) != nspaces)
 			return 0;
 		indent -= nspaces;
 		}
 	if (BIO_write(out, spaces, indent) != indent)
 		return 0;
 	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
 		sname = NULL;
 	if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
 		fname = NULL;
 	if (!sname && !fname)
 		return 1;
 	if (fname)
 		{
 		if (BIO_puts(out, fname) <= 0)
 			return 0;
 		}
 	if (sname)
 		{
 		if (fname)
 			{
 			if (BIO_printf(out, " (%s)", sname) <= 0)
 				return 0;
 			}
 		else
 			{
 			if (BIO_puts(out, sname) <= 0)
 				return 0;
 			}
 		}
 	if (BIO_write(out, ": ", 2) != 2)
 		return 0;
 	return 1;
 	}

 static int asn1_print_boolean_ctx(BIO *out, const int bool,
 							const ASN1_PCTX *pctx)
 	{
 	const char *str;
 	switch (bool)
 		{
 		case -1:
 		str = "BOOL ABSENT";
 		break;

 		case 0:
 		str = "FALSE";
 		break;

 		default:
 		str = "TRUE";
 		break;

 		}

 	if (BIO_puts(out, str) <= 0)
 		return 0;
 	return 1;

 	}

 static int asn1_print_integer_ctx(BIO *out, ASN1_INTEGER *str,
 						const ASN1_PCTX *pctx)
 	{
 	char *s;
 	int ret = 1;
 	s = i2s_ASN1_INTEGER(NULL, str);
 	if (BIO_puts(out, s) <= 0)
 		ret = 0;
 	OPENSSL_free(s);
 	return ret;
 	}

 static int asn1_print_oid_ctx(BIO *out, const ASN1_OBJECT *oid,
 						const ASN1_PCTX *pctx)
 	{
 	char objbuf[80];
 	const char *ln;
 	ln = OBJ_nid2ln(OBJ_obj2nid(oid));
 	if(!ln)
 		ln = "";
 	OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1);
 	if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
 		return 0;
 	return 1;
 	}

 static int asn1_print_obstring_ctx(BIO *out, ASN1_STRING *str, int indent,
 						const ASN1_PCTX *pctx)
 	{
 	if (str->type == V_ASN1_BIT_STRING)
 		{
 		if (BIO_printf(out, " (%ld unused bits)\n",
 					str->flags & 0x7) <= 0)
 				return 0;
 		}
 	else if (BIO_puts(out, "\n") <= 0)
 		return 0;
 	if ((str->length > 0)
 		&& BIO_dump_indent(out, (char *)str->data, str->length,
 				indent + 2) <= 0)
 		return 0;
 	return 1;
 	}

 static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
 				const ASN1_ITEM *it, int indent,
 				const char *fname, const char *sname,
 				const ASN1_PCTX *pctx)
 	{
 	long utype;
 	ASN1_STRING *str;
 	int ret = 1, needlf = 1;
 	const char *pname;
 	const ASN1_PRIMITIVE_FUNCS *pf;
 	pf = it->funcs;
 	if (!asn1_print_fsname(out, indent, fname, sname, pctx))
 			return 0;
 	if (pf && pf->prim_print)
 		return pf->prim_print(out, fld, it, indent, pctx);
 	str = (ASN1_STRING *)*fld;
 	if (it->itype == ASN1_ITYPE_MSTRING)
 		utype = str->type & ~V_ASN1_NEG;
 	else
 		utype = it->utype;
 	if (utype == V_ASN1_ANY)
 		{
 		ASN1_TYPE *atype = (ASN1_TYPE *)*fld;
 		utype = atype->type;
 		fld = &atype->value.asn1_value;
 		str = (ASN1_STRING *)*fld;
 		if (pctx->flags & ASN1_PCTX_FLAGS_NO_ANY_TYPE)
 			pname = NULL;
 		else
 			pname = ASN1_tag2str(utype);
 		}
 	else
 		{
 		if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_TYPE)
 			pname = ASN1_tag2str(utype);
 		else
 			pname = NULL;
 		}

 	if (utype == V_ASN1_NULL)
 		{
 		if (BIO_puts(out, "NULL\n") <= 0)
 			return 0;
 		return 1;
 		}

 	if (pname)
 		{
 		if (BIO_puts(out, pname) <= 0)
 			return 0;
 		if (BIO_puts(out, ":") <= 0)
 			return 0;
 		}

 	switch (utype)
 		{
 		case V_ASN1_BOOLEAN:
 			{
 			int bool = *(int *)fld;
 			if (bool == -1)
 				bool = it->size;
 			ret = asn1_print_boolean_ctx(out, bool, pctx);
 			}
 		break;

 		case V_ASN1_INTEGER:
 		case V_ASN1_ENUMERATED:
 		ret = asn1_print_integer_ctx(out, str, pctx);
 		break;

 		case V_ASN1_UTCTIME:
 		ret = ASN1_UTCTIME_print(out, str);
 		break;

 		case V_ASN1_GENERALIZEDTIME:
 		ret = ASN1_GENERALIZEDTIME_print(out, str);
 		break;

 		case V_ASN1_OBJECT:
 		ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT *)*fld, pctx);
 		break;

 		case V_ASN1_OCTET_STRING:
 		case V_ASN1_BIT_STRING:
 		ret = asn1_print_obstring_ctx(out, str, indent, pctx);
 		needlf = 0;
 		break;

 		case V_ASN1_SEQUENCE:
 		case V_ASN1_SET:
 		case V_ASN1_OTHER:
 		if (BIO_puts(out, "\n") <= 0)
 			return 0;
 		if (ASN1_parse_dump(out, str->data, str->length,
 						indent, 0) <= 0)
 			ret = 0;
 		needlf = 0;
 		break;

 		default:
 		ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);

 		}
 	if (!ret)
 		return 0;
 	if (needlf && BIO_puts(out, "\n") <= 0)
 		return 0;
 	return 1;
 	}
	/* tasn_prn.c */
	/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
	* project 2000.
	*/
	/* ====================================================================
	* Copyright (c) 2000,2005 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 <stddef.h>
	#include "cryptlib.h"
	#include <openssl/asn1.h>
	#include <openssl/asn1t.h>
	#include <openssl/objects.h>
	#include <openssl/buffer.h>
	#include <openssl/err.h>
	#include <openssl/x509v3.h>
	#include "asn1_locl.h"

	/* Print routines.
	*/

	/* ASN1_PCTX routines */

	ASN1_PCTX default_pctx =
	{
	ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
	0, /* nm_flags */
	0, /* cert_flags */
	0, /* oid_flags */
	0 /* str_flags */
	};


	ASN1_PCTX *ASN1_PCTX_new(void)
	{
	ASN1_PCTX *ret;
	ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
	if (ret == NULL)
	{
	ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
	return NULL;
	}
	ret->flags = 0;
	ret->nm_flags = 0;
	ret->cert_flags = 0;
	ret->oid_flags = 0;
	ret->str_flags = 0;
	return ret;
	}

	void ASN1_PCTX_free(ASN1_PCTX *p)
	{
	OPENSSL_free(p);
	}

	unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
	{
	return p->flags;
	}

	void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
	{
	p->flags = flags;
	}

	unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
	{
	return p->nm_flags;
	}

	void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
	{
	p->nm_flags = flags;
	}

	unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
	{
	return p->cert_flags;
	}

	void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
	{
	p->cert_flags = flags;
	}

	unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
	{
	return p->oid_flags;
	}

	void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
	{
	p->oid_flags = flags;
	}

	unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
	{
	return p->str_flags;
	}

	void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
	{
	p->str_flags = flags;
	}

	/* Main print routines */

	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	const ASN1_ITEM *it,
	const char fname, const char sname,
	int nohdr, const ASN1_PCTX *pctx);

	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx);

	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
	const ASN1_ITEM *it, int indent,
	const char fname, const char sname,
	const ASN1_PCTX *pctx);

	static int asn1_print_fsname(BIO *out, int indent,
	const char fname, const char sname,
	const ASN1_PCTX *pctx);

	int ASN1_item_print(BIO out, ASN1_VALUE ifld, int indent,
	const ASN1_ITEM it, const ASN1_PCTX pctx)
	{
	const char *sname;
	if (pctx == NULL)
	pctx = &default_pctx;
	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
	sname = NULL;
	else
	sname = it->sname;
	return asn1_item_print_ctx(out, &ifld, indent, it,
	NULL, sname, 0, pctx);
	}

	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	const ASN1_ITEM *it,
	const char fname, const char sname,
	int nohdr, const ASN1_PCTX *pctx)
	{
	const ASN1_TEMPLATE *tt;
	const ASN1_EXTERN_FUNCS *ef;
	ASN1_VALUE **tmpfld;
	const ASN1_AUX *aux = it->funcs;
	ASN1_aux_cb *asn1_cb;
	ASN1_PRINT_ARG parg;
	int i;
	if (aux && aux->asn1_cb)
	{
	parg.out = out;
	parg.indent = indent;
	parg.pctx = pctx;
	asn1_cb = aux->asn1_cb;
	}
	else asn1_cb = 0;

	if(*fld == NULL)
	{
	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT)
	{
	if (!nohdr && !asn1_print_fsname(out, indent,
	fname, sname, pctx))
	return 0;
	if (BIO_puts(out, "<ABSENT>\n") <= 0)
	return 0;
	}
	return 1;
	}

	switch(it->itype)
	{
	case ASN1_ITYPE_PRIMITIVE:
	if(it->templates)
	{
	if (!asn1_template_print_ctx(out, fld, indent,
	it->templates, pctx))
	return 0;
	}
	/* fall thru */
	case ASN1_ITYPE_MSTRING:
	if (!asn1_primitive_print(out, fld, it,
	indent, fname, sname,pctx))
	return 0;
	break;

	case ASN1_ITYPE_EXTERN:
	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
	return 0;
	/* Use new style print routine if possible */
	ef = it->funcs;
	if (ef && ef->asn1_ex_print)
	{
	i = ef->asn1_ex_print(out, fld, indent, "", pctx);
	if (!i)
	return 0;
	if ((i == 2) && (BIO_puts(out, "\n") <= 0))
	return 0;
	return 1;
	}
	else if (sname &&
	BIO_printf(out, ":EXTERNAL TYPE %s\n", sname) <= 0)
	return 0;
	break;

	case ASN1_ITYPE_CHOICE:
	#if 0
	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
	return 0;
	#endif
	/* CHOICE type, get selector */
	i = asn1_get_choice_selector(fld, it);
	/* This should never happen... */
	if((i < 0) \|\| (i >= it->tcount))
	{
	if (BIO_printf(out,
	"ERROR: selector [%d] invalid\n", i) <= 0)
	return 0;
	return 1;
	}
	tt = it->templates + i;
	tmpfld = asn1_get_field_ptr(fld, tt);
	if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
	return 0;
	break;

	case ASN1_ITYPE_SEQUENCE:
	case ASN1_ITYPE_NDEF_SEQUENCE:
	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
	return 0;
	if (fname \|\| sname)
	{
	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	{
	if (BIO_puts(out, " {\n") <= 0)
	return 0;
	}
	else
	{
	if (BIO_puts(out, "\n") <= 0)
	return 0;
	}
	}

	if (asn1_cb)
	{
	i = asn1_cb(ASN1_OP_PRINT_PRE, fld, it, &parg);
	if (i == 0)
	return 0;
	if (i == 2)
	return 1;
	}

	/* Print each field entry */
	for(i = 0, tt = it->templates; i < it->tcount; i++, tt++)
	{
	const ASN1_TEMPLATE *seqtt;
	seqtt = asn1_do_adb(fld, tt, 1);
	tmpfld = asn1_get_field_ptr(fld, seqtt);
	if (!asn1_template_print_ctx(out, tmpfld,
	indent + 2, seqtt, pctx))
	return 0;
	}
	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	{
	if (BIO_printf(out, "%*s}\n", indent, "") < 0)
	return 0;
	}

	if (asn1_cb)
	{
	i = asn1_cb(ASN1_OP_PRINT_POST, fld, it, &parg);
	if (i == 0)
	return 0;
	}
	break;

	default:
	BIO_printf(out, "Unprocessed type %d\n", it->itype);
	return 0;
	}

	return 1;
	}

	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx)
	{
	int i, flags;
	const char sname, fname;
	flags = tt->flags;
	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME)
	sname = ASN1_ITEM_ptr(tt->item)->sname;
	else
	sname = NULL;
	if(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
	fname = NULL;
	else
	fname = tt->field_name;
	if(flags & ASN1_TFLG_SK_MASK)
	{
	char *tname;
	ASN1_VALUE *skitem;
	STACK_OF(ASN1_VALUE) *stack;

	/* SET OF, SEQUENCE OF */
	if (fname)
	{
	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SSOF)
	{
	if(flags & ASN1_TFLG_SET_OF)
	tname = "SET";
	else
	tname = "SEQUENCE";
	if (BIO_printf(out, "%*s%s OF %s {\n",
	indent, "", tname, tt->field_name) <= 0)
	return 0;
	}
	else if (BIO_printf(out, "%*s%s:\n", indent, "",
	fname) <= 0)
	return 0;
	}
	stack = (STACK_OF(ASN1_VALUE) )fld;
	for(i = 0; i < sk_ASN1_VALUE_num(stack); i++)
	{
	if ((i > 0) && (BIO_puts(out, "\n") <= 0))
	return 0;

	skitem = sk_ASN1_VALUE_value(stack, i);
	if (!asn1_item_print_ctx(out, &skitem, indent + 2,
	ASN1_ITEM_ptr(tt->item), NULL, NULL, 1, pctx))
	return 0;
	}
	if (!i && BIO_printf(out, "%*s<EMPTY>\n", indent + 2, "") <= 0)
	return 0;
	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	{
	if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
	return 0;
	}
	return 1;
	}
	return asn1_item_print_ctx(out, fld, indent, ASN1_ITEM_ptr(tt->item),
	fname, sname, 0, pctx);
	}

	static int asn1_print_fsname(BIO *out, int indent,
	const char fname, const char sname,
	const ASN1_PCTX *pctx)
	{
	static char spaces[] = " ";
	const int nspaces = sizeof(spaces) - 1;

	#if 0
	if (!sname && !fname)
	return 1;
	#endif

	while (indent > nspaces)
	{
	if (BIO_write(out, spaces, nspaces) != nspaces)
	return 0;
	indent -= nspaces;
	}
	if (BIO_write(out, spaces, indent) != indent)
	return 0;
	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
	sname = NULL;
	if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
	fname = NULL;
	if (!sname && !fname)
	return 1;
	if (fname)
	{
	if (BIO_puts(out, fname) <= 0)
	return 0;
	}
	if (sname)
	{
	if (fname)
	{
	if (BIO_printf(out, " (%s)", sname) <= 0)
	return 0;
	}
	else
	{
	if (BIO_puts(out, sname) <= 0)
	return 0;
	}
	}
	if (BIO_write(out, ": ", 2) != 2)
	return 0;
	return 1;
	}

	static int asn1_print_boolean_ctx(BIO *out, const int bool,
	const ASN1_PCTX *pctx)
	{
	const char *str;
	switch (bool)
	{
	case -1:
	str = "BOOL ABSENT";
	break;

	case 0:
	str = "FALSE";
	break;

	default:
	str = "TRUE";
	break;

	}

	if (BIO_puts(out, str) <= 0)
	return 0;
	return 1;

	}

	static int asn1_print_integer_ctx(BIO out, ASN1_INTEGER str,
	const ASN1_PCTX *pctx)
	{
	char *s;
	int ret = 1;
	s = i2s_ASN1_INTEGER(NULL, str);
	if (BIO_puts(out, s) <= 0)
	ret = 0;
	OPENSSL_free(s);
	return ret;
	}

	static int asn1_print_oid_ctx(BIO out, const ASN1_OBJECT oid,
	const ASN1_PCTX *pctx)
	{
	char objbuf[80];
	const char *ln;
	ln = OBJ_nid2ln(OBJ_obj2nid(oid));
	if(!ln)
	ln = "";
	OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1);
	if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
	return 0;
	return 1;
	}

	static int asn1_print_obstring_ctx(BIO out, ASN1_STRING str, int indent,
	const ASN1_PCTX *pctx)
	{
	if (str->type == V_ASN1_BIT_STRING)
	{
	if (BIO_printf(out, " (%ld unused bits)\n",
	str->flags & 0x7) <= 0)
	return 0;
	}
	else if (BIO_puts(out, "\n") <= 0)
	return 0;
	if ((str->length > 0)
	&& BIO_dump_indent(out, (char *)str->data, str->length,
	indent + 2) <= 0)
	return 0;
	return 1;
	}

	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
	const ASN1_ITEM *it, int indent,
	const char fname, const char sname,
	const ASN1_PCTX *pctx)
	{
	long utype;
	ASN1_STRING *str;
	int ret = 1, needlf = 1;
	const char *pname;
	const ASN1_PRIMITIVE_FUNCS *pf;
	pf = it->funcs;
	if (!asn1_print_fsname(out, indent, fname, sname, pctx))
	return 0;
	if (pf && pf->prim_print)
	return pf->prim_print(out, fld, it, indent, pctx);
	str = (ASN1_STRING )fld;
	if (it->itype == ASN1_ITYPE_MSTRING)
	utype = str->type & ~V_ASN1_NEG;
	else
	utype = it->utype;
	if (utype == V_ASN1_ANY)
	{
	ASN1_TYPE atype = (ASN1_TYPE )*fld;
	utype = atype->type;
	fld = &atype->value.asn1_value;
	str = (ASN1_STRING )fld;
	if (pctx->flags & ASN1_PCTX_FLAGS_NO_ANY_TYPE)
	pname = NULL;
	else
	pname = ASN1_tag2str(utype);
	}
	else
	{
	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_TYPE)
	pname = ASN1_tag2str(utype);
	else
	pname = NULL;
	}

	if (utype == V_ASN1_NULL)
	{
	if (BIO_puts(out, "NULL\n") <= 0)
	return 0;
	return 1;
	}

	if (pname)
	{
	if (BIO_puts(out, pname) <= 0)
	return 0;
	if (BIO_puts(out, ":") <= 0)
	return 0;
	}

	switch (utype)
	{
	case V_ASN1_BOOLEAN:
	{
	int bool = (int )fld;
	if (bool == -1)
	bool = it->size;
	ret = asn1_print_boolean_ctx(out, bool, pctx);
	}
	break;

	case V_ASN1_INTEGER:
	case V_ASN1_ENUMERATED:
	ret = asn1_print_integer_ctx(out, str, pctx);
	break;

	case V_ASN1_UTCTIME:
	ret = ASN1_UTCTIME_print(out, str);
	break;

	case V_ASN1_GENERALIZEDTIME:
	ret = ASN1_GENERALIZEDTIME_print(out, str);
	break;

	case V_ASN1_OBJECT:
	ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT )fld, pctx);
	break;

	case V_ASN1_OCTET_STRING:
	case V_ASN1_BIT_STRING:
	ret = asn1_print_obstring_ctx(out, str, indent, pctx);
	needlf = 0;
	break;

	case V_ASN1_SEQUENCE:
	case V_ASN1_SET:
	case V_ASN1_OTHER:
	if (BIO_puts(out, "\n") <= 0)
	return 0;
	if (ASN1_parse_dump(out, str->data, str->length,
	indent, 0) <= 0)
	ret = 0;
	needlf = 0;
	break;

	default:
	ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);

	}
	if (!ret)
	return 0;
	if (needlf && BIO_puts(out, "\n") <= 0)
	return 0;
	return 1;
	}