[thirdparty/openssl.git] / crypto / asn1 / tasn_prn.c

/* tasn_prn.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 <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"

#include <string.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;
	int i;
	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;
				}
			}

		/* 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;
			}
		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 = 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;
		/* 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;
			}
		for(i = 0; i < sk_num((STACK *)*fld); i++)
			{
			if ((i > 0) && (BIO_puts(out, "\n") <= 0))
				return 0;

			skitem = (ASN1_VALUE *)sk_value((STACK *)*fld, i);
			if (!asn1_item_print_ctx(out, &skitem, indent + 2,
					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, 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 (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;
	if (!asn1_print_fsname(out, indent, fname, sname, pctx))
			return 0;
	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 = (ASN1_VALUE **)&atype->value.ptr;
		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;
	}
Commit	Line	Data
9d6b1ce6 DSH	1	/* tasn_prn.c */
	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 2000.
	4	*/
	5	/* ====================================================================
56defd9a	6	* Copyright (c) 2000,2005 The OpenSSL Project. All rights reserved.
9d6b1ce6 DSH	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* licensing@OpenSSL.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
	58
	59
	60	#include <stddef.h>
	61	#include <openssl/asn1.h>
56defd9a	62	#include <openssl/asn1t.h>
9d6b1ce6 DSH	63	#include <openssl/objects.h>
	64	#include <openssl/buffer.h>
	65	#include <openssl/err.h>
56defd9a DSH	66	#include <openssl/x509v3.h>
56defd9a DSH	67	#include "asn1_locl.h"
9d6b1ce6	68
b173acfc	69	#include <string.h>
56defd9a DSH	70
56defd9a DSH	71	/* Print routines.
9d6b1ce6 DSH	72	*/
9d6b1ce6 DSH	73
56defd9a	74	/* ASN1_PCTX routines */
9d6b1ce6	75
56defd9a DSH	76	ASN1_PCTX default_pctx =
	77	{
	78	ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
	79	0, /* nm_flags */
	80	0, /* cert_flags */
	81	0, /* oid_flags */
	82	0 /* str_flags */
	83	};
	84
9d6b1ce6	85
56defd9a DSH	86	ASN1_PCTX *ASN1_PCTX_new(void)
	87	{
	88	ASN1_PCTX *ret;
	89	ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
	90	if (ret == NULL)
	91	{
	92	ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
	93	return NULL;
	94	}
	95	ret->flags = 0;
	96	ret->nm_flags = 0;
	97	ret->cert_flags = 0;
	98	ret->oid_flags = 0;
	99	ret->str_flags = 0;
	100	return ret;
	101	}
	102
	103	void ASN1_PCTX_free(ASN1_PCTX *p)
	104	{
	105	OPENSSL_free(p);
	106	}
	107
	108	unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
	109	{
	110	return p->flags;
	111	}
	112
	113	void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
	114	{
	115	p->flags = flags;
	116	}
	117
	118	unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
	119	{
	120	return p->nm_flags;
	121	}
	122
	123	void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
	124	{
	125	p->nm_flags = flags;
	126	}
	127
	128	unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
	129	{
	130	return p->cert_flags;
	131	}
	132
	133	void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
	134	{
	135	p->cert_flags = flags;
	136	}
	137
	138	unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
	139	{
	140	return p->oid_flags;
	141	}
	142
	143	void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
	144	{
	145	p->oid_flags = flags;
	146	}
	147
	148	unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
	149	{
150	return p->str_flags;
151	}
152
153	void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
154	{
155	p->str_flags = flags;
156	}
157
158	/* Main print routines */
159
160	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
b173acfc DSH	161	const ASN1_ITEM *it,
	162	const char fname, const char sname,
	163	int nohdr, const ASN1_PCTX *pctx);
56defd9a DSH	164	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	165	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx);
	166	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
	167	const ASN1_ITEM *it, int indent,
b173acfc	168	const char fname, const char sname,
56defd9a	169	const ASN1_PCTX *pctx);
b173acfc DSH	170	static int asn1_print_fsname(BIO *out, int indent,
	171	const char fname, const char sname,
	172	const ASN1_PCTX *pctx);
56defd9a DSH	173
	174	int ASN1_item_print(BIO out, ASN1_VALUE ifld, int indent,
	175	const ASN1_ITEM it, const ASN1_PCTX pctx)
	176	{
b173acfc	177	const char *sname;
56defd9a DSH	178	if (pctx == NULL)
56defd9a DSH	179	pctx = &default_pctx;
b173acfc DSH	180	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
	181	sname = NULL;
	182	else
	183	sname = it->sname;
	184	return asn1_item_print_ctx(out, &ifld, indent, it,
	185	NULL, sname, 0, pctx);
56defd9a DSH	186	}
	187
	188	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
b173acfc DSH	189	const ASN1_ITEM *it,
	190	const char fname, const char sname,
	191	int nohdr, const ASN1_PCTX *pctx)
56defd9a	192	{
9d6b1ce6	193	const ASN1_TEMPLATE *tt;
56defd9a DSH	194	const ASN1_EXTERN_FUNCS *ef;
56defd9a DSH	195	ASN1_VALUE **tmpfld;
9d6b1ce6	196	int i;
56defd9a DSH	197	if(*fld == NULL)
56defd9a DSH	198	{
b173acfc	199	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT)
56defd9a	200	{
b173acfc	201	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
56defd9a	202	return 0;
56defd9a DSH	203	if (BIO_puts(out, "<ABSENT>\n") <= 0)
	204	return 0;
	205	}
9d6b1ce6	206	return 1;
56defd9a	207	}
9d6b1ce6	208
56defd9a DSH	209	switch(it->itype)
56defd9a DSH	210	{
9d6b1ce6 DSH	211	case ASN1_ITYPE_PRIMITIVE:
9d6b1ce6 DSH	212	if(it->templates)
56defd9a DSH	213	{
	214	if (!asn1_template_print_ctx(out, fld, indent,
	215	it->templates, pctx))
	216	return 0;
	217	}
	218	/* fall thru */
9d6b1ce6	219	case ASN1_ITYPE_MSTRING:
b173acfc DSH	220	if (!asn1_primitive_print(out, fld, it,
b173acfc DSH	221	indent, fname, sname,pctx))
56defd9a DSH	222	return 0;
56defd9a DSH	223	break;
9d6b1ce6 DSH	224
9d6b1ce6 DSH	225	case ASN1_ITYPE_EXTERN:
b173acfc DSH	226	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
b173acfc DSH	227	return 0;
56defd9a DSH	228	/* Use new style print routine if possible */
	229	ef = it->funcs;
	230	if (ef && ef->asn1_ex_print)
	231	{
b173acfc DSH	232	i = ef->asn1_ex_print(out, fld, indent, "", pctx);
b173acfc DSH	233	if (!i)
56defd9a	234	return 0;
b173acfc DSH	235	if ((i == 2) && (BIO_puts(out, "\n") <= 0))
	236	return 0;
	237	return 1;
56defd9a	238	}
b173acfc DSH	239	else if (sname &&
b173acfc DSH	240	BIO_printf(out, ":EXTERNAL TYPE %s\n", sname) <= 0)
56defd9a DSH	241	return 0;
56defd9a DSH	242	break;
9d6b1ce6 DSH	243
9d6b1ce6 DSH	244	case ASN1_ITYPE_CHOICE:
b173acfc DSH	245	#if 0
	246	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
	247	return 0;
	248	#endif
9d6b1ce6 DSH	249	/* CHOICE type, get selector */
	250	i = asn1_get_choice_selector(fld, it);
	251	/* This should never happen... */
56defd9a DSH	252	if((i < 0) \|\| (i >= it->tcount))
	253	{
	254	if (BIO_printf(out,
	255	"ERROR: selector [%d] invalid\n", i) <= 0)
	256	return 0;
9d6b1ce6	257	return 1;
56defd9a	258	}
9d6b1ce6	259	tt = it->templates + i;
56defd9a DSH	260	tmpfld = asn1_get_field_ptr(fld, tt);
	261	if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
	262	return 0;
	263	break;
9d6b1ce6 DSH	264
9d6b1ce6 DSH	265	case ASN1_ITYPE_SEQUENCE:
56defd9a	266	case ASN1_ITYPE_NDEF_SEQUENCE:
b173acfc DSH	267	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
	268	return 0;
	269	if (fname \|\| sname)
56defd9a	270	{
b173acfc DSH	271	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	272	{
	273	if (BIO_puts(out, " {\n") <= 0)
	274	return 0;
	275	}
	276	else
	277	{
	278	if (BIO_puts(out, "\n") <= 0)
	279	return 0;
	280	}
56defd9a DSH	281	}
	282
	283	/* Print each field entry */
	284	for(i = 0, tt = it->templates; i < it->tcount; i++, tt++)
	285	{
	286	const ASN1_TEMPLATE *seqtt;
	287	seqtt = asn1_do_adb(fld, tt, 1);
	288	tmpfld = asn1_get_field_ptr(fld, seqtt);
	289	if (!asn1_template_print_ctx(out, tmpfld,
	290	indent + 2, seqtt, pctx))
	291	return 0;
	292	}
	293	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	294	{
	295	if (BIO_printf(out, "%*s}\n", indent, "") < 0)
	296	return 0;
	297	}
	298	break;
9d6b1ce6 DSH	299
9d6b1ce6 DSH	300	default:
56defd9a	301	BIO_printf(out, "Unprocessed type %d\n", it->itype);
9d6b1ce6	302	return 0;
56defd9a	303	}
b173acfc	304
56defd9a	305	return 1;
9d6b1ce6	306	}
9d6b1ce6	307
56defd9a DSH	308	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	309	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx)
	310	{
9d6b1ce6	311	int i, flags;
b173acfc	312	const char sname, fname;
9d6b1ce6	313	flags = tt->flags;
b173acfc DSH	314	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME)
	315	sname = tt->item->sname;
	316	else
	317	sname = NULL;
	318	if(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
	319	fname = NULL;
	320	else
	321	fname = tt->field_name;
56defd9a DSH	322	if(flags & ASN1_TFLG_SK_MASK)
56defd9a DSH	323	{
9d6b1ce6	324	char *tname;
56defd9a	325	ASN1_VALUE *skitem;
9d6b1ce6	326	/* SET OF, SEQUENCE OF */
b173acfc	327	if (fname)
56defd9a	328	{
b173acfc DSH	329	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SSOF)
	330	{
	331	if(flags & ASN1_TFLG_SET_OF)
	332	tname = "SET";
	333	else
	334	tname = "SEQUENCE";
	335	if (BIO_printf(out, "%*s%s OF %s {\n",
	336	indent, "", tname, tt->field_name) <= 0)
	337	return 0;
	338	}
	339	else if (BIO_printf(out, "%*s%s:\n", indent, "",
	340	fname) <= 0)
56defd9a DSH	341	return 0;
56defd9a DSH	342	}
56defd9a DSH	343	for(i = 0; i < sk_num((STACK )fld); i++)
56defd9a DSH	344	{
b173acfc	345	if ((i > 0) && (BIO_puts(out, "\n") <= 0))
56defd9a	346	return 0;
b173acfc	347
56defd9a DSH	348	skitem = (ASN1_VALUE )sk_value((STACK )*fld, i);
56defd9a DSH	349	if (!asn1_item_print_ctx(out, &skitem, indent + 2,
b173acfc	350	tt->item, NULL, NULL, 1, pctx))
56defd9a DSH	351	return 0;
56defd9a DSH	352	}
b173acfc DSH	353	if (!i && BIO_printf(out, "%*s<EMPTY>\n", indent + 2, "") <= 0)
b173acfc DSH	354	return 0;
56defd9a DSH	355	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	356	{
	357	if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
	358	return 0;
9d6b1ce6	359	}
9d6b1ce6	360	return 1;
56defd9a	361	}
b173acfc DSH	362	return asn1_item_print_ctx(out, fld, indent, tt->item,
b173acfc DSH	363	fname, sname, 0, pctx);
9d6b1ce6	364	}
56defd9a	365
b173acfc	366	static int asn1_print_fsname(BIO *out, int indent,
56defd9a DSH	367	const char fname, const char sname,
	368	const ASN1_PCTX *pctx)
	369	{
	370	static char spaces[] = " ";
	371	const int nspaces = sizeof(spaces) - 1;
b173acfc DSH	372
	373	#if 0
	374	if (!sname && !fname)
	375	return 1;
	376	#endif
	377
56defd9a DSH	378	while (indent > nspaces)
	379	{
	380	if (BIO_write(out, spaces, nspaces) != nspaces)
	381	return 0;
	382	indent -= nspaces;
9d6b1ce6	383	}
56defd9a DSH	384	if (BIO_write(out, spaces, indent) != indent)
56defd9a DSH	385	return 0;
b173acfc DSH	386	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
	387	sname = NULL;
	388	if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
	389	fname = NULL;
	390	if (!sname && !fname)
56defd9a	391	return 1;
b173acfc	392	if (fname)
56defd9a DSH	393	{
	394	if (BIO_puts(out, fname) <= 0)
	395	return 0;
	396	}
b173acfc	397	if (sname)
56defd9a	398	{
b173acfc DSH	399	if (fname)
	400	{
	401	if (BIO_printf(out, " (%s)", sname) <= 0)
	402	return 0;
	403	}
	404	else
56defd9a DSH	405	{
	406	if (BIO_puts(out, sname) <= 0)
	407	return 0;
	408	}
56defd9a	409	}
b173acfc	410	if (BIO_write(out, ": ", 2) != 2)
56defd9a DSH	411	return 0;
	412	return 1;
	413	}
	414
b173acfc DSH	415	static int asn1_print_boolean_ctx(BIO *out, const int bool,
b173acfc DSH	416	const ASN1_PCTX *pctx)
56defd9a DSH	417	{
	418	const char *str;
	419	switch (bool)
	420	{
	421	case -1:
	422	str = "BOOL ABSENT";
	423	break;
	424
	425	case 0:
	426	str = "FALSE";
	427	break;
	428
	429	default:
	430	str = "TRUE";
	431	break;
	432
	433	}
	434
	435	if (BIO_puts(out, str) <= 0)
	436	return 0;
	437	return 1;
	438
	439	}
	440
	441	static int asn1_print_integer_ctx(BIO out, ASN1_INTEGER str,
	442	const ASN1_PCTX *pctx)
	443	{
	444	char *s;
	445	int ret = 1;
	446	s = i2s_ASN1_INTEGER(NULL, str);
b173acfc	447	if (BIO_puts(out, s) <= 0)
56defd9a DSH	448	ret = 0;
	449	OPENSSL_free(s);
	450	return ret;
	451	}
	452
	453	static int asn1_print_oid_ctx(BIO out, const ASN1_OBJECT oid,
	454	const ASN1_PCTX *pctx)
	455	{
	456	char objbuf[80];
	457	const char *ln;
	458	ln = OBJ_nid2ln(OBJ_obj2nid(oid));
	459	if(!ln)
	460	ln = "";
	461	OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1);
	462	if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
	463	return 0;
	464	return 1;
	465	}
	466
	467	static int asn1_print_obstring_ctx(BIO out, ASN1_STRING str, int indent,
	468	const ASN1_PCTX *pctx)
	469	{
	470	if (str->type == V_ASN1_BIT_STRING)
	471	{
	472	if (BIO_printf(out, " (%ld unused bits)\n",
	473	str->flags & 0x7) <= 0)
	474	return 0;
	475	}
	476	else if (BIO_puts(out, "\n") <= 0)
	477	return 0;
	478	if (BIO_dump_indent(out, (char *)str->data, str->length,
	479	indent + 2) <= 0)
	480	return 0;
9d6b1ce6	481	return 1;
56defd9a DSH	482	}
	483
	484	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
	485	const ASN1_ITEM *it, int indent,
b173acfc	486	const char fname, const char sname,
56defd9a DSH	487	const ASN1_PCTX *pctx)
	488	{
	489	long utype;
	490	ASN1_STRING *str;
b173acfc DSH	491	int ret = 1, needlf = 1;
	492	const char *pname;
	493	if (!asn1_print_fsname(out, indent, fname, sname, pctx))
	494	return 0;
56defd9a DSH	495	str = (ASN1_STRING )fld;
	496	if (it->itype == ASN1_ITYPE_MSTRING)
	497	utype = str->type & ~V_ASN1_NEG;
	498	else
	499	utype = it->utype;
	500	if (utype == V_ASN1_ANY)
	501	{
	502	ASN1_TYPE atype = (ASN1_TYPE )*fld;
	503	utype = atype->type;
	504	fld = (ASN1_VALUE **)&atype->value.ptr;
	505	str = (ASN1_STRING )fld;
b173acfc DSH	506	if (pctx->flags & ASN1_PCTX_FLAGS_NO_ANY_TYPE)
	507	pname = NULL;
	508	else
	509	pname = ASN1_tag2str(utype);
	510	}
	511	else
	512	{
	513	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_TYPE)
	514	pname = ASN1_tag2str(utype);
	515	else
	516	pname = NULL;
	517	}
	518
	519	if (utype == V_ASN1_NULL)
	520	{
	521	if (BIO_puts(out, "NULL\n") <= 0)
	522	return 0;
	523	return 1;
	524	}
	525
	526	if (pname)
	527	{
	528	if (BIO_puts(out, pname) <= 0)
	529	return 0;
	530	if (BIO_puts(out, ":") <= 0)
	531	return 0;
56defd9a	532	}
56defd9a DSH	533
	534	switch (utype)
	535	{
	536	case V_ASN1_BOOLEAN:
	537	{
	538	int bool = (int )fld;
	539	if (bool == -1)
	540	bool = it->size;
	541	ret = asn1_print_boolean_ctx(out, bool, pctx);
	542	}
	543	break;
	544
	545	case V_ASN1_INTEGER:
	546	case V_ASN1_ENUMERATED:
	547	ret = asn1_print_integer_ctx(out, str, pctx);
	548	break;
	549
56defd9a DSH	550	case V_ASN1_UTCTIME:
	551	ret = ASN1_UTCTIME_print(out, str);
	552	break;
	553
	554	case V_ASN1_GENERALIZEDTIME:
	555	ret = ASN1_GENERALIZEDTIME_print(out, str);
	556	break;
	557
	558	case V_ASN1_OBJECT:
	559	ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT )fld, pctx);
	560	break;
	561
	562	case V_ASN1_OCTET_STRING:
	563	case V_ASN1_BIT_STRING:
	564	ret = asn1_print_obstring_ctx(out, str, indent, pctx);
b173acfc	565	needlf = 0;
56defd9a DSH	566	break;
	567
	568	case V_ASN1_SEQUENCE:
	569	case V_ASN1_SET:
b173acfc DSH	570	case V_ASN1_OTHER:
	571	if (BIO_puts(out, "\n") <= 0)
	572	return 0;
56defd9a DSH	573	if (ASN1_parse_dump(out, str->data, str->length,
	574	indent, 0) <= 0)
	575	ret = 0;
b173acfc	576	needlf = 0;
56defd9a DSH	577	break;
	578
	579	default:
	580	ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);
	581
	582	}
	583	if (!ret)
	584	return 0;
b173acfc DSH	585	if (needlf && BIO_puts(out, "\n") <= 0)
b173acfc DSH	586	return 0;
56defd9a DSH	587	return 1;
56defd9a DSH	588	}