[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 "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;
		/* 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,
				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;
	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>
c11c64fb	61	#include "cryptlib.h"
9d6b1ce6	62	#include <openssl/asn1.h>
56defd9a	63	#include <openssl/asn1t.h>
9d6b1ce6 DSH	64	#include <openssl/objects.h>
	65	#include <openssl/buffer.h>
	66	#include <openssl/err.h>
56defd9a DSH	67	#include <openssl/x509v3.h>
56defd9a DSH	68	#include "asn1_locl.h"
9d6b1ce6	69
56defd9a	70	/* Print routines.
9d6b1ce6 DSH	71	*/
9d6b1ce6 DSH	72
56defd9a	73	/* ASN1_PCTX routines */
9d6b1ce6	74
56defd9a DSH	75	ASN1_PCTX default_pctx =
	76	{
	77	ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
	78	0, /* nm_flags */
	79	0, /* cert_flags */
	80	0, /* oid_flags */
	81	0 /* str_flags */
	82	};
	83
9d6b1ce6	84
56defd9a DSH	85	ASN1_PCTX *ASN1_PCTX_new(void)
	86	{
	87	ASN1_PCTX *ret;
	88	ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
	89	if (ret == NULL)
	90	{
	91	ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
	92	return NULL;
	93	}
	94	ret->flags = 0;
	95	ret->nm_flags = 0;
	96	ret->cert_flags = 0;
	97	ret->oid_flags = 0;
	98	ret->str_flags = 0;
	99	return ret;
	100	}
	101
	102	void ASN1_PCTX_free(ASN1_PCTX *p)
	103	{
	104	OPENSSL_free(p);
	105	}
	106
	107	unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
	108	{
	109	return p->flags;
	110	}
	111
	112	void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
	113	{
	114	p->flags = flags;
	115	}
	116
	117	unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
	118	{
	119	return p->nm_flags;
	120	}
	121
	122	void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
	123	{
	124	p->nm_flags = flags;
	125	}
	126
	127	unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
	128	{
	129	return p->cert_flags;
	130	}
	131
	132	void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
	133	{
	134	p->cert_flags = flags;
	135	}
	136
	137	unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
	138	{
	139	return p->oid_flags;
	140	}
	141
	142	void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
	143	{
	144	p->oid_flags = flags;
	145	}
	146
	147	unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
	148	{
149	return p->str_flags;
150	}
151
152	void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
153	{
154	p->str_flags = flags;
155	}
156
157	/* Main print routines */
158
159	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
b173acfc DSH	160	const ASN1_ITEM *it,
	161	const char fname, const char sname,
	162	int nohdr, const ASN1_PCTX *pctx);
9194296d	163
56defd9a DSH	164	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
56defd9a DSH	165	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx);
9194296d	166
56defd9a DSH	167	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
56defd9a DSH	168	const ASN1_ITEM *it, int indent,
b173acfc	169	const char fname, const char sname,
56defd9a	170	const ASN1_PCTX *pctx);
9194296d	171
b173acfc DSH	172	static int asn1_print_fsname(BIO *out, int indent,
	173	const char fname, const char sname,
	174	const ASN1_PCTX *pctx);
56defd9a DSH	175
	176	int ASN1_item_print(BIO out, ASN1_VALUE ifld, int indent,
	177	const ASN1_ITEM it, const ASN1_PCTX pctx)
	178	{
b173acfc	179	const char *sname;
56defd9a DSH	180	if (pctx == NULL)
56defd9a DSH	181	pctx = &default_pctx;
b173acfc DSH	182	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
	183	sname = NULL;
	184	else
	185	sname = it->sname;
	186	return asn1_item_print_ctx(out, &ifld, indent, it,
	187	NULL, sname, 0, pctx);
56defd9a DSH	188	}
	189
	190	static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
b173acfc DSH	191	const ASN1_ITEM *it,
	192	const char fname, const char sname,
	193	int nohdr, const ASN1_PCTX *pctx)
56defd9a	194	{
9d6b1ce6	195	const ASN1_TEMPLATE *tt;
56defd9a DSH	196	const ASN1_EXTERN_FUNCS *ef;
56defd9a DSH	197	ASN1_VALUE **tmpfld;
c11c64fb DSH	198	const ASN1_AUX *aux = it->funcs;
	199	ASN1_aux_cb *asn1_cb;
	200	ASN1_PRINT_ARG parg;
9d6b1ce6	201	int i;
c11c64fb DSH	202	if (aux && aux->asn1_cb)
	203	{
	204	parg.out = out;
	205	parg.indent = indent;
	206	parg.pctx = pctx;
	207	asn1_cb = aux->asn1_cb;
	208	}
	209	else asn1_cb = 0;
	210
56defd9a DSH	211	if(*fld == NULL)
56defd9a DSH	212	{
b173acfc	213	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT)
56defd9a	214	{
c11c64fb DSH	215	if (!nohdr && !asn1_print_fsname(out, indent,
c11c64fb DSH	216	fname, sname, pctx))
56defd9a	217	return 0;
56defd9a DSH	218	if (BIO_puts(out, "<ABSENT>\n") <= 0)
	219	return 0;
	220	}
9d6b1ce6	221	return 1;
56defd9a	222	}
9d6b1ce6	223
56defd9a DSH	224	switch(it->itype)
56defd9a DSH	225	{
9d6b1ce6 DSH	226	case ASN1_ITYPE_PRIMITIVE:
9d6b1ce6 DSH	227	if(it->templates)
56defd9a DSH	228	{
	229	if (!asn1_template_print_ctx(out, fld, indent,
	230	it->templates, pctx))
	231	return 0;
	232	}
	233	/* fall thru */
9d6b1ce6	234	case ASN1_ITYPE_MSTRING:
b173acfc DSH	235	if (!asn1_primitive_print(out, fld, it,
b173acfc DSH	236	indent, fname, sname,pctx))
56defd9a DSH	237	return 0;
56defd9a DSH	238	break;
9d6b1ce6 DSH	239
9d6b1ce6 DSH	240	case ASN1_ITYPE_EXTERN:
b173acfc DSH	241	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
b173acfc DSH	242	return 0;
56defd9a DSH	243	/* Use new style print routine if possible */
	244	ef = it->funcs;
	245	if (ef && ef->asn1_ex_print)
	246	{
b173acfc DSH	247	i = ef->asn1_ex_print(out, fld, indent, "", pctx);
b173acfc DSH	248	if (!i)
56defd9a	249	return 0;
b173acfc DSH	250	if ((i == 2) && (BIO_puts(out, "\n") <= 0))
	251	return 0;
	252	return 1;
56defd9a	253	}
b173acfc DSH	254	else if (sname &&
b173acfc DSH	255	BIO_printf(out, ":EXTERNAL TYPE %s\n", sname) <= 0)
56defd9a DSH	256	return 0;
56defd9a DSH	257	break;
9d6b1ce6 DSH	258
9d6b1ce6 DSH	259	case ASN1_ITYPE_CHOICE:
b173acfc DSH	260	#if 0
	261	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
	262	return 0;
	263	#endif
9d6b1ce6 DSH	264	/* CHOICE type, get selector */
	265	i = asn1_get_choice_selector(fld, it);
	266	/* This should never happen... */
56defd9a DSH	267	if((i < 0) \|\| (i >= it->tcount))
	268	{
	269	if (BIO_printf(out,
	270	"ERROR: selector [%d] invalid\n", i) <= 0)
	271	return 0;
9d6b1ce6	272	return 1;
56defd9a	273	}
9d6b1ce6	274	tt = it->templates + i;
56defd9a DSH	275	tmpfld = asn1_get_field_ptr(fld, tt);
	276	if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
	277	return 0;
	278	break;
9d6b1ce6 DSH	279
9d6b1ce6 DSH	280	case ASN1_ITYPE_SEQUENCE:
56defd9a	281	case ASN1_ITYPE_NDEF_SEQUENCE:
b173acfc DSH	282	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
	283	return 0;
	284	if (fname \|\| sname)
56defd9a	285	{
b173acfc DSH	286	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	287	{
	288	if (BIO_puts(out, " {\n") <= 0)
	289	return 0;
	290	}
	291	else
	292	{
	293	if (BIO_puts(out, "\n") <= 0)
	294	return 0;
	295	}
56defd9a DSH	296	}
56defd9a DSH	297
c11c64fb DSH	298	if (asn1_cb)
	299	{
	300	i = asn1_cb(ASN1_OP_PRINT_PRE, fld, it, &parg);
	301	if (i == 0)
	302	return 0;
	303	if (i == 2)
	304	return 1;
	305	}
	306
56defd9a DSH	307	/* Print each field entry */
	308	for(i = 0, tt = it->templates; i < it->tcount; i++, tt++)
	309	{
	310	const ASN1_TEMPLATE *seqtt;
	311	seqtt = asn1_do_adb(fld, tt, 1);
	312	tmpfld = asn1_get_field_ptr(fld, seqtt);
	313	if (!asn1_template_print_ctx(out, tmpfld,
	314	indent + 2, seqtt, pctx))
	315	return 0;
	316	}
	317	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	318	{
	319	if (BIO_printf(out, "%*s}\n", indent, "") < 0)
	320	return 0;
	321	}
c11c64fb DSH	322
	323	if (asn1_cb)
	324	{
	325	i = asn1_cb(ASN1_OP_PRINT_POST, fld, it, &parg);
	326	if (i == 0)
	327	return 0;
	328	}
56defd9a	329	break;
9d6b1ce6 DSH	330
9d6b1ce6 DSH	331	default:
56defd9a	332	BIO_printf(out, "Unprocessed type %d\n", it->itype);
9d6b1ce6	333	return 0;
56defd9a	334	}
b173acfc	335
56defd9a	336	return 1;
9d6b1ce6	337	}
9d6b1ce6	338
56defd9a DSH	339	int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
	340	const ASN1_TEMPLATE tt, const ASN1_PCTX pctx)
	341	{
9d6b1ce6	342	int i, flags;
b173acfc	343	const char sname, fname;
9d6b1ce6	344	flags = tt->flags;
b173acfc	345	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME)
270da80b	346	sname = ASN1_ITEM_ptr(tt->item)->sname;
b173acfc DSH	347	else
	348	sname = NULL;
	349	if(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
	350	fname = NULL;
	351	else
	352	fname = tt->field_name;
56defd9a DSH	353	if(flags & ASN1_TFLG_SK_MASK)
56defd9a DSH	354	{
9d6b1ce6	355	char *tname;
56defd9a	356	ASN1_VALUE *skitem;
9d6b1ce6	357	/* SET OF, SEQUENCE OF */
b173acfc	358	if (fname)
56defd9a	359	{
b173acfc DSH	360	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SSOF)
	361	{
	362	if(flags & ASN1_TFLG_SET_OF)
	363	tname = "SET";
	364	else
	365	tname = "SEQUENCE";
	366	if (BIO_printf(out, "%*s%s OF %s {\n",
	367	indent, "", tname, tt->field_name) <= 0)
	368	return 0;
	369	}
	370	else if (BIO_printf(out, "%*s%s:\n", indent, "",
	371	fname) <= 0)
56defd9a DSH	372	return 0;
56defd9a DSH	373	}
56defd9a DSH	374	for(i = 0; i < sk_num((STACK )fld); i++)
56defd9a DSH	375	{
b173acfc	376	if ((i > 0) && (BIO_puts(out, "\n") <= 0))
56defd9a	377	return 0;
b173acfc	378
56defd9a DSH	379	skitem = (ASN1_VALUE )sk_value((STACK )*fld, i);
56defd9a DSH	380	if (!asn1_item_print_ctx(out, &skitem, indent + 2,
270da80b	381	ASN1_ITEM_ptr(tt->item), NULL, NULL, 1, pctx))
56defd9a DSH	382	return 0;
56defd9a DSH	383	}
b173acfc DSH	384	if (!i && BIO_printf(out, "%*s<EMPTY>\n", indent + 2, "") <= 0)
b173acfc DSH	385	return 0;
56defd9a DSH	386	if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
	387	{
	388	if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
	389	return 0;
9d6b1ce6	390	}
9d6b1ce6	391	return 1;
56defd9a	392	}
270da80b	393	return asn1_item_print_ctx(out, fld, indent, ASN1_ITEM_ptr(tt->item),
b173acfc	394	fname, sname, 0, pctx);
9d6b1ce6	395	}
56defd9a	396
b173acfc	397	static int asn1_print_fsname(BIO *out, int indent,
56defd9a DSH	398	const char fname, const char sname,
	399	const ASN1_PCTX *pctx)
	400	{
	401	static char spaces[] = " ";
	402	const int nspaces = sizeof(spaces) - 1;
b173acfc DSH	403
	404	#if 0
	405	if (!sname && !fname)
	406	return 1;
	407	#endif
	408
56defd9a DSH	409	while (indent > nspaces)
	410	{
	411	if (BIO_write(out, spaces, nspaces) != nspaces)
	412	return 0;
	413	indent -= nspaces;
9d6b1ce6	414	}
56defd9a DSH	415	if (BIO_write(out, spaces, indent) != indent)
56defd9a DSH	416	return 0;
b173acfc DSH	417	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
	418	sname = NULL;
	419	if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
	420	fname = NULL;
	421	if (!sname && !fname)
56defd9a	422	return 1;
b173acfc	423	if (fname)
56defd9a DSH	424	{
	425	if (BIO_puts(out, fname) <= 0)
	426	return 0;
	427	}
b173acfc	428	if (sname)
56defd9a	429	{
b173acfc DSH	430	if (fname)
	431	{
	432	if (BIO_printf(out, " (%s)", sname) <= 0)
	433	return 0;
	434	}
	435	else
56defd9a DSH	436	{
	437	if (BIO_puts(out, sname) <= 0)
	438	return 0;
	439	}
56defd9a	440	}
b173acfc	441	if (BIO_write(out, ": ", 2) != 2)
56defd9a DSH	442	return 0;
	443	return 1;
	444	}
	445
b173acfc DSH	446	static int asn1_print_boolean_ctx(BIO *out, const int bool,
b173acfc DSH	447	const ASN1_PCTX *pctx)
56defd9a DSH	448	{
	449	const char *str;
	450	switch (bool)
	451	{
	452	case -1:
	453	str = "BOOL ABSENT";
	454	break;
	455
	456	case 0:
	457	str = "FALSE";
	458	break;
	459
	460	default:
	461	str = "TRUE";
	462	break;
	463
	464	}
	465
	466	if (BIO_puts(out, str) <= 0)
	467	return 0;
	468	return 1;
	469
	470	}
	471
	472	static int asn1_print_integer_ctx(BIO out, ASN1_INTEGER str,
	473	const ASN1_PCTX *pctx)
	474	{
	475	char *s;
	476	int ret = 1;
	477	s = i2s_ASN1_INTEGER(NULL, str);
b173acfc	478	if (BIO_puts(out, s) <= 0)
56defd9a DSH	479	ret = 0;
	480	OPENSSL_free(s);
	481	return ret;
	482	}
	483
	484	static int asn1_print_oid_ctx(BIO out, const ASN1_OBJECT oid,
	485	const ASN1_PCTX *pctx)
	486	{
	487	char objbuf[80];
	488	const char *ln;
	489	ln = OBJ_nid2ln(OBJ_obj2nid(oid));
	490	if(!ln)
	491	ln = "";
	492	OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1);
	493	if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
	494	return 0;
	495	return 1;
	496	}
	497
	498	static int asn1_print_obstring_ctx(BIO out, ASN1_STRING str, int indent,
	499	const ASN1_PCTX *pctx)
	500	{
	501	if (str->type == V_ASN1_BIT_STRING)
	502	{
	503	if (BIO_printf(out, " (%ld unused bits)\n",
	504	str->flags & 0x7) <= 0)
	505	return 0;
	506	}
	507	else if (BIO_puts(out, "\n") <= 0)
	508	return 0;
f3481ca2 DSH	509	if ((str->length > 0)
f3481ca2 DSH	510	&& BIO_dump_indent(out, (char *)str->data, str->length,
56defd9a DSH	511	indent + 2) <= 0)
56defd9a DSH	512	return 0;
9d6b1ce6	513	return 1;
56defd9a DSH	514	}
	515
	516	static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
	517	const ASN1_ITEM *it, int indent,
b173acfc	518	const char fname, const char sname,
56defd9a DSH	519	const ASN1_PCTX *pctx)
	520	{
	521	long utype;
	522	ASN1_STRING *str;
b173acfc DSH	523	int ret = 1, needlf = 1;
	524	const char *pname;
	525	if (!asn1_print_fsname(out, indent, fname, sname, pctx))
	526	return 0;
56defd9a DSH	527	str = (ASN1_STRING )fld;
	528	if (it->itype == ASN1_ITYPE_MSTRING)
	529	utype = str->type & ~V_ASN1_NEG;
	530	else
	531	utype = it->utype;
	532	if (utype == V_ASN1_ANY)
	533	{
	534	ASN1_TYPE atype = (ASN1_TYPE )*fld;
	535	utype = atype->type;
	536	fld = (ASN1_VALUE **)&atype->value.ptr;
	537	str = (ASN1_STRING )fld;
b173acfc DSH	538	if (pctx->flags & ASN1_PCTX_FLAGS_NO_ANY_TYPE)
	539	pname = NULL;
	540	else
	541	pname = ASN1_tag2str(utype);
	542	}
	543	else
	544	{
	545	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_TYPE)
	546	pname = ASN1_tag2str(utype);
	547	else
	548	pname = NULL;
	549	}
	550
	551	if (utype == V_ASN1_NULL)
	552	{
	553	if (BIO_puts(out, "NULL\n") <= 0)
	554	return 0;
	555	return 1;
	556	}
	557
	558	if (pname)
	559	{
	560	if (BIO_puts(out, pname) <= 0)
	561	return 0;
	562	if (BIO_puts(out, ":") <= 0)
	563	return 0;
56defd9a	564	}
56defd9a DSH	565
	566	switch (utype)
	567	{
	568	case V_ASN1_BOOLEAN:
	569	{
	570	int bool = (int )fld;
	571	if (bool == -1)
	572	bool = it->size;
	573	ret = asn1_print_boolean_ctx(out, bool, pctx);
	574	}
	575	break;
	576
	577	case V_ASN1_INTEGER:
	578	case V_ASN1_ENUMERATED:
	579	ret = asn1_print_integer_ctx(out, str, pctx);
	580	break;
	581
56defd9a DSH	582	case V_ASN1_UTCTIME:
	583	ret = ASN1_UTCTIME_print(out, str);
	584	break;
	585
	586	case V_ASN1_GENERALIZEDTIME:
	587	ret = ASN1_GENERALIZEDTIME_print(out, str);
	588	break;
	589
	590	case V_ASN1_OBJECT:
	591	ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT )fld, pctx);
	592	break;
	593
	594	case V_ASN1_OCTET_STRING:
	595	case V_ASN1_BIT_STRING:
	596	ret = asn1_print_obstring_ctx(out, str, indent, pctx);
b173acfc	597	needlf = 0;
56defd9a DSH	598	break;
	599
	600	case V_ASN1_SEQUENCE:
	601	case V_ASN1_SET:
b173acfc DSH	602	case V_ASN1_OTHER:
	603	if (BIO_puts(out, "\n") <= 0)
	604	return 0;
56defd9a DSH	605	if (ASN1_parse_dump(out, str->data, str->length,
	606	indent, 0) <= 0)
	607	ret = 0;
b173acfc	608	needlf = 0;
56defd9a DSH	609	break;
	610
	611	default:
	612	ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);
	613
	614	}
	615	if (!ret)
	616	return 0;
b173acfc DSH	617	if (needlf && BIO_puts(out, "\n") <= 0)
b173acfc DSH	618	return 0;
56defd9a DSH	619	return 1;
56defd9a DSH	620	}