[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"

#define ASN1_PCTX_FLAGS_SHOW_ABSENT	0x1
#define ASN1_PCTX_FLAGS_SHOW_SEQUENCE	0x2
#define ASN1_PCTX_FLAGS_SHOW_TYPE	0x4
#define ASN1_PCTX_FLAGS_NO_FIELD_NAME	0x8
#define ASN1_PCTX_FLAGS_NO_STRUCT_NAME	0x10

/* 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 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 ASN1_PCTX *pctx);

int ASN1_item_print(BIO *out, ASN1_VALUE *ifld, int indent,
				const ASN1_ITEM *it, const ASN1_PCTX *pctx)
	{
	if (pctx == NULL)
		pctx = &default_pctx;
	return asn1_item_print_ctx(out, &ifld, indent, it, pctx);
	}

static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
				const ASN1_ITEM *it, const ASN1_PCTX *pctx)
	{
	const ASN1_TEMPLATE *tt;
	const ASN1_EXTERN_FUNCS *ef;
	ASN1_VALUE **tmpfld;
	int i;
	if (BIO_printf(out, "%s:", it->sname) <= 0)
		return 0;
	if(*fld == NULL)
		{
		if (!(pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT))
			{
			if (BIO_puts(out, "\n") <= 0)
				return 0;
			}
		else
			{
			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, pctx))
			return 0;
		break;

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

		case ASN1_ITYPE_CHOICE:
		/* 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 (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;
		}
	if (BIO_puts(out, "\n") <= 0)
		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;
	flags = tt->flags;
	if(flags & ASN1_TFLG_SK_MASK)
		{
		char *tname;
		ASN1_VALUE *skitem;
		/* SET OF, SEQUENCE OF */
		if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
			{
			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, "",
					tt->field_name) <= 0)
				return 0;
		for(i = 0; i < sk_num((STACK *)*fld); i++)
			{
			if (BIO_printf(out, "%*s", indent + 2, "") <= 0)
				return 0;
			skitem = (ASN1_VALUE *)sk_value((STACK *)*fld, i);
			if (!asn1_item_print_ctx(out, &skitem, indent + 2,
					tt->item, pctx))
				return 0;
			}
		if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
			{
			if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
				return 0;
			}
		return 1;
		}
	else if (BIO_printf(out, "%*s%s:", indent, "", tt->field_name) <= 0)
				return 0;
	return asn1_item_print_ctx(out, fld, indent, tt->item, pctx);
	}

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;
	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_FIELD_NAME|ASN1_PCTX_FLAGS_NO_STRUCT_NAME)))
		return 1;
	if (fname && !(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME))
		{
		if (BIO_puts(out, fname) <= 0)
			return 0;
		}
	if (sname && !(pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME))
		{
		if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
			{
			if (BIO_puts(out, sname) <= 0)
				return 0;
			}
		else if (BIO_printf(out, " (%s)", sname) <= 0)
			return 0;
		}
	if (BIO_write(out, ":", 1) != 1)
		return 0;
	return 1;
	}

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_printf(out, "%s", 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 ASN1_PCTX *pctx)
	{
	long utype;
	ASN1_STRING *str;
	int ret = 1;
	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 (BIO_puts(out, ASN1_tag2str(utype)) <= 0)
		return 0;
	if (utype != V_ASN1_NULL && 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_NULL:
		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);
		break;

		case V_ASN1_SEQUENCE:
		case V_ASN1_SET:
		if (ASN1_parse_dump(out, str->data, str->length,
						indent, 0) <= 0)
			ret = 0;
		break;

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

		}
	if (!ret)
		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
56defd9a DSH	69	#define ASN1_PCTX_FLAGS_SHOW_ABSENT 0x1
	70	#define ASN1_PCTX_FLAGS_SHOW_SEQUENCE 0x2
	71	#define ASN1_PCTX_FLAGS_SHOW_TYPE 0x4
	72	#define ASN1_PCTX_FLAGS_NO_FIELD_NAME 0x8
	73	#define ASN1_PCTX_FLAGS_NO_STRUCT_NAME 0x10
	74
	75	/* Print routines.
9d6b1ce6 DSH	76	*/
9d6b1ce6 DSH	77
56defd9a	78	/* ASN1_PCTX routines */
9d6b1ce6	79
56defd9a DSH	80	ASN1_PCTX default_pctx =
	81	{
	82	ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
	83	0, /* nm_flags */
	84	0, /* cert_flags */
	85	0, /* oid_flags */
	86	0 /* str_flags */
	87	};
	88
9d6b1ce6	89
56defd9a DSH	90	ASN1_PCTX *ASN1_PCTX_new(void)
	91	{
	92	ASN1_PCTX *ret;
	93	ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
	94	if (ret == NULL)
	95	{
	96	ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
	97	return NULL;
	98	}
	99	ret->flags = 0;
	100	ret->nm_flags = 0;
	101	ret->cert_flags = 0;
	102	ret->oid_flags = 0;
	103	ret->str_flags = 0;
	104	return ret;
	105	}
	106
	107	void ASN1_PCTX_free(ASN1_PCTX *p)
	108	{
	109	OPENSSL_free(p);
	110	}
	111
	112	unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
	113	{
	114	return p->flags;
	115	}
	116
	117	void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
	118	{
	119	p->flags = flags;
	120	}
	121
	122	unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
	123	{
	124	return p->nm_flags;
	125	}
	126
	127	void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
	128	{
	129	p->nm_flags = flags;
	130	}
	131
	132	unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
	133	{
	134	return p->cert_flags;
	135	}
	136
	137	void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
	138	{
	139	p->cert_flags = flags;
	140	}
	141
	142	unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
	143	{
	144	return p->oid_flags;
	145	}
	146
	147	void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
	148	{
	149	p->oid_flags = flags;
	150	}
	151
	152	unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
	153	{
154	return p->str_flags;
155	}
156
157	void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
158	{
159	p->str_flags = flags;
160	}
161
162	/* Main print routines */
163
164	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
165	const ASN1_ITEM it, const ASN1_PCTX pctx);
166	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
167	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx);
168	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
169	const ASN1_ITEM *it, int indent,
170	const ASN1_PCTX *pctx);
171
172	int ASN1_item_print(BIO out, ASN1_VALUE ifld, int indent,
173	const ASN1_ITEM it, const ASN1_PCTX pctx)
174	{
175	if (pctx == NULL)
176	pctx = &default_pctx;
177	return asn1_item_print_ctx(out, &ifld, indent, it, pctx);
178	}
179
180	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
181	const ASN1_ITEM it, const ASN1_PCTX pctx)
182	{
9d6b1ce6	183	const ASN1_TEMPLATE *tt;
56defd9a DSH	184	const ASN1_EXTERN_FUNCS *ef;
56defd9a DSH	185	ASN1_VALUE **tmpfld;
9d6b1ce6	186	int i;
56defd9a DSH	187	if (BIO_printf(out, "%s:", it->sname) <= 0)
	188	return 0;
	189	if(*fld == NULL)
	190	{
	191	if (!(pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT))
	192	{
	193	if (BIO_puts(out, "\n") <= 0)
	194	return 0;
	195	}
	196	else
	197	{
	198	if (BIO_puts(out, "<ABSENT>\n") <= 0)
	199	return 0;
	200	}
9d6b1ce6	201	return 1;
56defd9a	202	}
9d6b1ce6	203
56defd9a DSH	204	switch(it->itype)
56defd9a DSH	205	{
9d6b1ce6 DSH	206	case ASN1_ITYPE_PRIMITIVE:
9d6b1ce6 DSH	207	if(it->templates)
56defd9a DSH	208	{
	209	if (!asn1_template_print_ctx(out, fld, indent,
	210	it->templates, pctx))
	211	return 0;
	212	}
	213	/* fall thru */
9d6b1ce6	214	case ASN1_ITYPE_MSTRING:
56defd9a DSH	215	if (!asn1_primitive_print(out, fld, it, indent, pctx))
	216	return 0;
	217	break;
9d6b1ce6 DSH	218
9d6b1ce6 DSH	219	case ASN1_ITYPE_EXTERN:
56defd9a DSH	220	/* Use new style print routine if possible */
	221	ef = it->funcs;
	222	if (ef && ef->asn1_ex_print)
	223	{
	224	if (!ef->asn1_ex_print(out, fld, indent, "", pctx))
	225	return 0;
	226	}
	227	else if (BIO_printf(out, ":EXTERNAL TYPE %s\n", it->sname) <= 0)
	228	return 0;
	229	break;
9d6b1ce6 DSH	230
	231	case ASN1_ITYPE_CHOICE:
	232	/* CHOICE type, get selector */
	233	i = asn1_get_choice_selector(fld, it);
	234	/* This should never happen... */
56defd9a DSH	235	if((i < 0) \|\| (i >= it->tcount))
	236	{
	237	if (BIO_printf(out,
	238	"ERROR: selector [%d] invalid\n", i) <= 0)
	239	return 0;
9d6b1ce6	240	return 1;
56defd9a	241	}
9d6b1ce6	242	tt = it->templates + i;
56defd9a DSH	243	tmpfld = asn1_get_field_ptr(fld, tt);
	244	if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
	245	return 0;
	246	break;
9d6b1ce6 DSH	247
9d6b1ce6 DSH	248	case ASN1_ITYPE_SEQUENCE:
56defd9a DSH	249	case ASN1_ITYPE_NDEF_SEQUENCE:
	250	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	251	{
	252	if (BIO_puts(out, " {\n") <= 0)
	253	return 0;
	254	}
	255	else
	256	{
	257	if (BIO_puts(out, "\n") <= 0)
	258	return 0;
	259	}
	260
	261	/* Print each field entry */
	262	for(i = 0, tt = it->templates; i < it->tcount; i++, tt++)
	263	{
	264	const ASN1_TEMPLATE *seqtt;
	265	seqtt = asn1_do_adb(fld, tt, 1);
	266	tmpfld = asn1_get_field_ptr(fld, seqtt);
	267	if (!asn1_template_print_ctx(out, tmpfld,
	268	indent + 2, seqtt, pctx))
	269	return 0;
	270	}
	271	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	272	{
	273	if (BIO_printf(out, "%*s}\n", indent, "") < 0)
	274	return 0;
	275	}
	276	break;
9d6b1ce6 DSH	277
9d6b1ce6 DSH	278	default:
56defd9a	279	BIO_printf(out, "Unprocessed type %d\n", it->itype);
9d6b1ce6	280	return 0;
56defd9a DSH	281	}
	282	if (BIO_puts(out, "\n") <= 0)
	283	return 0;
	284	return 1;
9d6b1ce6	285	}
9d6b1ce6	286
56defd9a DSH	287	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	288	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx)
	289	{
9d6b1ce6	290	int i, flags;
9d6b1ce6	291	flags = tt->flags;
56defd9a DSH	292	if(flags & ASN1_TFLG_SK_MASK)
56defd9a DSH	293	{
9d6b1ce6	294	char *tname;
56defd9a	295	ASN1_VALUE *skitem;
9d6b1ce6	296	/* SET OF, SEQUENCE OF */
56defd9a DSH	297	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	298	{
	299	if(flags & ASN1_TFLG_SET_OF)
	300	tname = "SET";
	301	else
	302	tname = "SEQUENCE";
	303	if (BIO_printf(out, "%*s%s OF %s {\n",
	304	indent, "", tname, tt->field_name) <= 0)
	305	return 0;
	306	}
	307	else if (BIO_printf(out, "%*s%s:\n", indent, "",
	308	tt->field_name) <= 0)
	309	return 0;
	310	for(i = 0; i < sk_num((STACK )fld); i++)
	311	{
	312	if (BIO_printf(out, "%*s", indent + 2, "") <= 0)
	313	return 0;
	314	skitem = (ASN1_VALUE )sk_value((STACK )*fld, i);
	315	if (!asn1_item_print_ctx(out, &skitem, indent + 2,
	316	tt->item, pctx))
	317	return 0;
	318	}
	319	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	320	{
	321	if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
	322	return 0;
9d6b1ce6	323	}
9d6b1ce6	324	return 1;
56defd9a DSH	325	}
	326	else if (BIO_printf(out, "%*s%s:", indent, "", tt->field_name) <= 0)
	327	return 0;
	328	return asn1_item_print_ctx(out, fld, indent, tt->item, pctx);
9d6b1ce6	329	}
56defd9a DSH	330
	331	int asn1_print_fsname(BIO *out, int indent,
	332	const char fname, const char sname,
	333	const ASN1_PCTX *pctx)
	334	{
	335	static char spaces[] = " ";
	336	const int nspaces = sizeof(spaces) - 1;
	337	while (indent > nspaces)
	338	{
	339	if (BIO_write(out, spaces, nspaces) != nspaces)
	340	return 0;
	341	indent -= nspaces;
9d6b1ce6	342	}
56defd9a DSH	343	if (BIO_write(out, spaces, indent) != indent)
	344	return 0;
	345	if (!(pctx->flags &
	346	(ASN1_PCTX_FLAGS_NO_FIELD_NAME\|ASN1_PCTX_FLAGS_NO_STRUCT_NAME)))
	347	return 1;
	348	if (fname && !(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME))
	349	{
	350	if (BIO_puts(out, fname) <= 0)
	351	return 0;
	352	}
	353	if (sname && !(pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME))
	354	{
	355	if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
	356	{
	357	if (BIO_puts(out, sname) <= 0)
	358	return 0;
	359	}
	360	else if (BIO_printf(out, " (%s)", sname) <= 0)
	361	return 0;
	362	}
	363	if (BIO_write(out, ":", 1) != 1)
	364	return 0;
	365	return 1;
	366	}
	367
	368	int asn1_print_boolean_ctx(BIO out, const int bool, const ASN1_PCTX pctx)
	369	{
	370	const char *str;
	371	switch (bool)
	372	{
	373	case -1:
	374	str = "BOOL ABSENT";
	375	break;
	376
	377	case 0:
	378	str = "FALSE";
	379	break;
	380
	381	default:
	382	str = "TRUE";
	383	break;
	384
	385	}
	386
	387	if (BIO_puts(out, str) <= 0)
	388	return 0;
	389	return 1;
	390
	391	}
	392
	393	static int asn1_print_integer_ctx(BIO out, ASN1_INTEGER str,
	394	const ASN1_PCTX *pctx)
	395	{
	396	char *s;
	397	int ret = 1;
	398	s = i2s_ASN1_INTEGER(NULL, str);
	399	if (BIO_printf(out, "%s", s) <= 0)
	400	ret = 0;
	401	OPENSSL_free(s);
	402	return ret;
	403	}
	404
	405	static int asn1_print_oid_ctx(BIO out, const ASN1_OBJECT oid,
	406	const ASN1_PCTX *pctx)
407	{
408	char objbuf[80];
409	const char *ln;
410	ln = OBJ_nid2ln(OBJ_obj2nid(oid));
411	if(!ln)
412	ln = "";
413	OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1);
414	if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
415	return 0;
416	return 1;
417	}
418
419	static int asn1_print_obstring_ctx(BIO out, ASN1_STRING str, int indent,
420	const ASN1_PCTX *pctx)
421	{
422	if (str->type == V_ASN1_BIT_STRING)
423	{
424	if (BIO_printf(out, " (%ld unused bits)\n",
425	str->flags & 0x7) <= 0)
426	return 0;
427	}
428	else if (BIO_puts(out, "\n") <= 0)
429	return 0;
430	if (BIO_dump_indent(out, (char *)str->data, str->length,
431	indent + 2) <= 0)
432	return 0;
9d6b1ce6	433	return 1;
56defd9a DSH	434	}
	435
	436	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
	437	const ASN1_ITEM *it, int indent,
	438	const ASN1_PCTX *pctx)
	439	{
	440	long utype;
	441	ASN1_STRING *str;
	442	int ret = 1;
	443	str = (ASN1_STRING )fld;
	444	if (it->itype == ASN1_ITYPE_MSTRING)
	445	utype = str->type & ~V_ASN1_NEG;
	446	else
	447	utype = it->utype;
	448	if (utype == V_ASN1_ANY)
	449	{
	450	ASN1_TYPE atype = (ASN1_TYPE )*fld;
	451	utype = atype->type;
	452	fld = (ASN1_VALUE **)&atype->value.ptr;
	453	str = (ASN1_STRING )fld;
	454	}
	455	if (BIO_puts(out, ASN1_tag2str(utype)) <= 0)
	456	return 0;
	457	if (utype != V_ASN1_NULL && BIO_puts(out, ":") <= 0)
	458	return 0;
	459
	460	switch (utype)
	461	{
	462	case V_ASN1_BOOLEAN:
	463	{
	464	int bool = (int )fld;
	465	if (bool == -1)
	466	bool = it->size;
	467	ret = asn1_print_boolean_ctx(out, bool, pctx);
	468	}
	469	break;
	470
	471	case V_ASN1_INTEGER:
	472	case V_ASN1_ENUMERATED:
	473	ret = asn1_print_integer_ctx(out, str, pctx);
	474	break;
	475
	476	case V_ASN1_NULL:
	477	break;
	478
	479	case V_ASN1_UTCTIME:
	480	ret = ASN1_UTCTIME_print(out, str);
	481	break;
	482
	483	case V_ASN1_GENERALIZEDTIME:
	484	ret = ASN1_GENERALIZEDTIME_print(out, str);
	485	break;
	486
	487	case V_ASN1_OBJECT:
	488	ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT )fld, pctx);
	489	break;
	490
	491	case V_ASN1_OCTET_STRING:
	492	case V_ASN1_BIT_STRING:
	493	ret = asn1_print_obstring_ctx(out, str, indent, pctx);
	494	break;
	495
	496	case V_ASN1_SEQUENCE:
	497	case V_ASN1_SET:
498	if (ASN1_parse_dump(out, str->data, str->length,
499	indent, 0) <= 0)
500	ret = 0;
501	break;
502
503	default:
504	ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);
505
506	}
507	if (!ret)
508	return 0;
509	return 1;
510	}