[thirdparty/openssl.git] / crypto / asn1 / asn1_par.c

/* crypto/asn1/asn1_par.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/asn1.h>

static int asn1_print_info(BIO *bp, int tag, int xclass,int constructed,
	int indent);
static int asn1_parse2(BIO *bp, const unsigned char **pp, long length,
	int offset, int depth, int indent, int dump);
static int asn1_print_info(BIO *bp, int tag, int xclass, int constructed,
	     int indent)
	{
	static const char fmt[]="%-18s";
	char str[128];
	const char *p;

	if (constructed & V_ASN1_CONSTRUCTED)
		p="cons: ";
	else
		p="prim: ";
	if (BIO_write(bp,p,6) < 6) goto err;
	BIO_indent(bp,indent,128);

	p=str;
	if ((xclass & V_ASN1_PRIVATE) == V_ASN1_PRIVATE)
		BIO_snprintf(str,sizeof str,"priv [ %d ] ",tag);
	else if ((xclass & V_ASN1_CONTEXT_SPECIFIC) == V_ASN1_CONTEXT_SPECIFIC)
		BIO_snprintf(str,sizeof str,"cont [ %d ]",tag);
	else if ((xclass & V_ASN1_APPLICATION) == V_ASN1_APPLICATION)
		BIO_snprintf(str,sizeof str,"appl [ %d ]",tag);
	else if (tag > 30)
		BIO_snprintf(str,sizeof str,"<ASN1 %d>",tag);
	else
		p = ASN1_tag2str(tag);

	if (BIO_printf(bp,fmt,p) <= 0)
		goto err;
	return(1);
err:
	return(0);
	}

int ASN1_parse(BIO *bp, const unsigned char *pp, long len, int indent)
	{
	return(asn1_parse2(bp,&pp,len,0,0,indent,0));
	}

int ASN1_parse_dump(BIO *bp, const unsigned char *pp, long len, int indent, int dump)
	{
	return(asn1_parse2(bp,&pp,len,0,0,indent,dump));
	}

static int asn1_parse2(BIO *bp, const unsigned char **pp, long length, int offset,
	     int depth, int indent, int dump)
	{
	const unsigned char *p,*ep,*tot,*op,*opp;
	long len;
	int tag,xclass,ret=0;
	int nl,hl,j,r;
	ASN1_OBJECT *o=NULL;
	ASN1_OCTET_STRING *os=NULL;
	/* ASN1_BMPSTRING *bmp=NULL;*/
	int dump_indent;

#if 0
	dump_indent = indent;
#else
	dump_indent = 6;	/* Because we know BIO_dump_indent() */
#endif
	p= *pp;
	tot=p+length;
	op=p-1;
	while ((p < tot) && (op < p))
		{
		op=p;
		j=ASN1_get_object(&p,&len,&tag,&xclass,length);
#ifdef LINT
		j=j;
#endif
		if (j & 0x80)
			{
			if (BIO_write(bp,"Error in encoding\n",18) <= 0)
				goto end;
			ret=0;
			goto end;
			}
		hl=(p-op);
		length-=hl;
		/* if j == 0x21 it is a constructed indefinite length object */
		if (BIO_printf(bp,"%5ld:",(long)offset+(long)(op- *pp))
			<= 0) goto end;

		if (j != (V_ASN1_CONSTRUCTED | 1))
			{
			if (BIO_printf(bp,"d=%-2d hl=%ld l=%4ld ",
				depth,(long)hl,len) <= 0)
				goto end;
			}
		else
			{
			if (BIO_printf(bp,"d=%-2d hl=%ld l=inf  ",
				depth,(long)hl) <= 0)
				goto end;
			}
		if (!asn1_print_info(bp,tag,xclass,j,(indent)?depth:0))
			goto end;
		if (j & V_ASN1_CONSTRUCTED)
			{
			ep=p+len;
			if (BIO_write(bp,"\n",1) <= 0) goto end;
			if (len > length)
				{
				BIO_printf(bp,
					"length is greater than %ld\n",length);
				ret=0;
				goto end;
				}
			if ((j == 0x21) && (len == 0))
				{
				for (;;)
					{
					r=asn1_parse2(bp,&p,(long)(tot-p),
						offset+(p - *pp),depth+1,
						indent,dump);
					if (r == 0) { ret=0; goto end; }
					if ((r == 2) || (p >= tot)) break;
					}
				}
			else
				while (p < ep)
					{
					r=asn1_parse2(bp,&p,(long)len,
						offset+(p - *pp),depth+1,
						indent,dump);
					if (r == 0) { ret=0; goto end; }
					}
			}
		else if (xclass != 0)
			{
			p+=len;
			if (BIO_write(bp,"\n",1) <= 0) goto end;
			}
		else
			{
			nl=0;
			if (	(tag == V_ASN1_PRINTABLESTRING) ||
				(tag == V_ASN1_T61STRING) ||
				(tag == V_ASN1_IA5STRING) ||
				(tag == V_ASN1_VISIBLESTRING) ||
				(tag == V_ASN1_UTCTIME) ||
				(tag == V_ASN1_GENERALIZEDTIME))
				{
				if (BIO_write(bp,":",1) <= 0) goto end;
				if ((len > 0) &&
					BIO_write(bp,(const char *)p,(int)len)
					!= (int)len)
					goto end;
				}
			else if (tag == V_ASN1_OBJECT)
				{
				opp=op;
				if (d2i_ASN1_OBJECT(&o,&opp,len+hl) != NULL)
					{
					if (BIO_write(bp,":",1) <= 0) goto end;
					i2a_ASN1_OBJECT(bp,o);
					}
				else
					{
					if (BIO_write(bp,":BAD OBJECT",11) <= 0)
						goto end;
					}
				}
			else if (tag == V_ASN1_BOOLEAN)
				{
				int ii;

				opp=op;
				ii=d2i_ASN1_BOOLEAN(NULL,&opp,len+hl);
				if (ii < 0)
					{
					if (BIO_write(bp,"Bad boolean\n",12))
						goto end;
					}
				BIO_printf(bp,":%d",ii);
				}
			else if (tag == V_ASN1_BMPSTRING)
				{
				/* do the BMP thang */
				}
			else if (tag == V_ASN1_OCTET_STRING)
				{
				int i,printable=1;

				opp=op;
				os=d2i_ASN1_OCTET_STRING(NULL,&opp,len+hl);
				if (os != NULL && os->length > 0)
					{
					opp = os->data;
					/* testing whether the octet string is
					 * printable */
					for (i=0; i<os->length; i++)
						{
						if ((	(opp[i] < ' ') &&
							(opp[i] != '\n') &&
							(opp[i] != '\r') &&
							(opp[i] != '\t')) ||
							(opp[i] > '~'))
							{
							printable=0;
							break;
							}
						}
					if (printable)
					/* printable string */
						{
						if (BIO_write(bp,":",1) <= 0)
							goto end;
						if (BIO_write(bp,(const char *)opp,
							os->length) <= 0)
							goto end;
						}
					else if (!dump)
					/* not printable => print octet string
					 * as hex dump */
						{
						if (BIO_write(bp,"[HEX DUMP]:",11) <= 0)
							goto end;
						for (i=0; i<os->length; i++)
							{
							if (BIO_printf(bp,"%02X"
								, opp[i]) <= 0)
								goto end;
							}
						}
					else
					/* print the normal dump */
						{
						if (!nl) 
							{
							if (BIO_write(bp,"\n",1) <= 0)
								goto end;
							}
						if (BIO_dump_indent(bp,
							(const char *)opp,
							((dump == -1 || dump > 
							os->length)?os->length:dump),
							dump_indent) <= 0)
							goto end;
						nl=1;
						}
					}
				if (os != NULL)
					{
					M_ASN1_OCTET_STRING_free(os);
					os=NULL;
					}
				}
			else if (tag == V_ASN1_INTEGER)
				{
				ASN1_INTEGER *bs;
				int i;

				opp=op;
				bs=d2i_ASN1_INTEGER(NULL,&opp,len+hl);
				if (bs != NULL)
					{
					if (BIO_write(bp,":",1) <= 0) goto end;
					if (bs->type == V_ASN1_NEG_INTEGER)
						if (BIO_write(bp,"-",1) <= 0)
							goto end;
					for (i=0; i<bs->length; i++)
						{
						if (BIO_printf(bp,"%02X",
							bs->data[i]) <= 0)
							goto end;
						}
					if (bs->length == 0)
						{
						if (BIO_write(bp,"00",2) <= 0)
							goto end;
						}
					}
				else
					{
					if (BIO_write(bp,"BAD INTEGER",11) <= 0)
						goto end;
					}
				M_ASN1_INTEGER_free(bs);
				}
			else if (tag == V_ASN1_ENUMERATED)
				{
				ASN1_ENUMERATED *bs;
				int i;

				opp=op;
				bs=d2i_ASN1_ENUMERATED(NULL,&opp,len+hl);
				if (bs != NULL)
					{
					if (BIO_write(bp,":",1) <= 0) goto end;
					if (bs->type == V_ASN1_NEG_ENUMERATED)
						if (BIO_write(bp,"-",1) <= 0)
							goto end;
					for (i=0; i<bs->length; i++)
						{
						if (BIO_printf(bp,"%02X",
							bs->data[i]) <= 0)
							goto end;
						}
					if (bs->length == 0)
						{
						if (BIO_write(bp,"00",2) <= 0)
							goto end;
						}
					}
				else
					{
					if (BIO_write(bp,"BAD ENUMERATED",11) <= 0)
						goto end;
					}
				M_ASN1_ENUMERATED_free(bs);
				}
			else if (len > 0 && dump)
				{
				if (!nl) 
					{
					if (BIO_write(bp,"\n",1) <= 0)
						goto end;
					}
				if (BIO_dump_indent(bp,(const char *)p,
					((dump == -1 || dump > len)?len:dump),
					dump_indent) <= 0)
					goto end;
				nl=1;
				}

			if (!nl) 
				{
				if (BIO_write(bp,"\n",1) <= 0) goto end;
				}
			p+=len;
			if ((tag == V_ASN1_EOC) && (xclass == 0))
				{
				ret=2; /* End of sequence */
				goto end;
				}
			}
		length-=len;
		}
	ret=1;
end:
	if (o != NULL) ASN1_OBJECT_free(o);
	if (os != NULL) M_ASN1_OCTET_STRING_free(os);
	*pp=p;
	return(ret);
	}

const char *ASN1_tag2str(int tag)
{
	static const char * const tag2str[] = {
	 "EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING", /* 0-4 */
	 "NULL", "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL", /* 5-9 */
	 "ENUMERATED", "<ASN1 11>", "UTF8STRING", "<ASN1 13>", 	    /* 10-13 */
	"<ASN1 14>", "<ASN1 15>", "SEQUENCE", "SET", 		    /* 15-17 */
	"NUMERICSTRING", "PRINTABLESTRING", "T61STRING",	    /* 18-20 */
	"VIDEOTEXSTRING", "IA5STRING", "UTCTIME","GENERALIZEDTIME", /* 21-24 */
	"GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING",	    /* 25-27 */
	"UNIVERSALSTRING", "<ASN1 29>", "BMPSTRING"		    /* 28-30 */
	};

	if((tag == V_ASN1_NEG_INTEGER) || (tag == V_ASN1_NEG_ENUMERATED))
							tag &= ~0x100;

	if(tag < 0 || tag > 30) return "(unknown)";
	return tag2str[tag];
}
Commit	Line	Data
d02b48c6	1	/* crypto/asn1/asn1_par.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include "cryptlib.h"
ec577822 BM	61	#include <openssl/buffer.h>
ec577822 BM	62	#include <openssl/objects.h>
f66c3032	63	#include <openssl/asn1.h>
d02b48c6	64
d02b48c6	65	static int asn1_print_info(BIO *bp, int tag, int xclass,int constructed,
6343829a GT	66	int indent);
	67	static int asn1_parse2(BIO bp, const unsigned char *pp, long length,
	68	int offset, int depth, int indent, int dump);
6b691a5c	69	static int asn1_print_info(BIO *bp, int tag, int xclass, int constructed,
6343829a	70	int indent)
d02b48c6	71	{
e778802f	72	static const char fmt[]="%-18s";
e778802f	73	char str[128];
67b6f1ca	74	const char *p;
d02b48c6 RE	75
	76	if (constructed & V_ASN1_CONSTRUCTED)
	77	p="cons: ";
	78	else
	79	p="prim: ";
	80	if (BIO_write(bp,p,6) < 6) goto err;
54a656ef	81	BIO_indent(bp,indent,128);
d02b48c6 RE	82
	83	p=str;
	84	if ((xclass & V_ASN1_PRIVATE) == V_ASN1_PRIVATE)
d420ac2c	85	BIO_snprintf(str,sizeof str,"priv [ %d ] ",tag);
d02b48c6	86	else if ((xclass & V_ASN1_CONTEXT_SPECIFIC) == V_ASN1_CONTEXT_SPECIFIC)
d420ac2c	87	BIO_snprintf(str,sizeof str,"cont [ %d ]",tag);
d02b48c6	88	else if ((xclass & V_ASN1_APPLICATION) == V_ASN1_APPLICATION)
d420ac2c	89	BIO_snprintf(str,sizeof str,"appl [ %d ]",tag);
9ee0f7b7 DSH	90	else if (tag > 30)
	91	BIO_snprintf(str,sizeof str,"<ASN1 %d>",tag);
	92	else
	93	p = ASN1_tag2str(tag);
d02b48c6	94
67b6f1ca NL	95	if (BIO_printf(bp,fmt,p) <= 0)
67b6f1ca NL	96	goto err;
d02b48c6 RE	97	return(1);
	98	err:
	99	return(0);
	100	}
	101
6343829a	102	int ASN1_parse(BIO bp, const unsigned char pp, long len, int indent)
d02b48c6	103	{
ca1e465f RL	104	return(asn1_parse2(bp,&pp,len,0,0,indent,0));
	105	}
	106
6343829a	107	int ASN1_parse_dump(BIO bp, const unsigned char pp, long len, int indent, int dump)
ca1e465f RL	108	{
ca1e465f RL	109	return(asn1_parse2(bp,&pp,len,0,0,indent,dump));
d02b48c6 RE	110	}
d02b48c6 RE	111
6343829a GT	112	static int asn1_parse2(BIO bp, const unsigned char *pp, long length, int offset,
6343829a GT	113	int depth, int indent, int dump)
d02b48c6	114	{
875a644a	115	const unsigned char p,ep,tot,op,*opp;
6343829a	116	long len;
d02b48c6 RE	117	int tag,xclass,ret=0;
	118	int nl,hl,j,r;
	119	ASN1_OBJECT *o=NULL;
	120	ASN1_OCTET_STRING *os=NULL;
58964a49	121	/* ASN1_BMPSTRING bmp=NULL;/
ca1e465f	122	int dump_indent;
d02b48c6	123
ca1e465f RL	124	#if 0
	125	dump_indent = indent;
	126	#else
	127	dump_indent = 6; /* Because we know BIO_dump_indent() */
	128	#endif
d02b48c6 RE	129	p= *pp;
	130	tot=p+length;
	131	op=p-1;
	132	while ((p < tot) && (op < p))
	133	{
	134	op=p;
	135	j=ASN1_get_object(&p,&len,&tag,&xclass,length);
	136	#ifdef LINT
	137	j=j;
	138	#endif
	139	if (j & 0x80)
	140	{
	141	if (BIO_write(bp,"Error in encoding\n",18) <= 0)
	142	goto end;
	143	ret=0;
	144	goto end;
	145	}
	146	hl=(p-op);
	147	length-=hl;
	148	/* if j == 0x21 it is a constructed indefinite length object */
	149	if (BIO_printf(bp,"%5ld:",(long)offset+(long)(op- *pp))
	150	<= 0) goto end;
	151
	152	if (j != (V_ASN1_CONSTRUCTED \| 1))
	153	{
	154	if (BIO_printf(bp,"d=%-2d hl=%ld l=%4ld ",
6343829a	155	depth,(long)hl,len) <= 0)
d02b48c6 RE	156	goto end;
	157	}
	158	else
	159	{
	160	if (BIO_printf(bp,"d=%-2d hl=%ld l=inf ",
6343829a	161	depth,(long)hl) <= 0)
d02b48c6 RE	162	goto end;
	163	}
	164	if (!asn1_print_info(bp,tag,xclass,j,(indent)?depth:0))
	165	goto end;
	166	if (j & V_ASN1_CONSTRUCTED)
	167	{
	168	ep=p+len;
	169	if (BIO_write(bp,"\n",1) <= 0) goto end;
	170	if (len > length)
	171	{
	172	BIO_printf(bp,
6343829a	173	"length is greater than %ld\n",length);
d02b48c6 RE	174	ret=0;
	175	goto end;
	176	}
	177	if ((j == 0x21) && (len == 0))
	178	{
	179	for (;;)
	180	{
	181	r=asn1_parse2(bp,&p,(long)(tot-p),
	182	offset+(p - *pp),depth+1,
ca1e465f	183	indent,dump);
d02b48c6 RE	184	if (r == 0) { ret=0; goto end; }
	185	if ((r == 2) \|\| (p >= tot)) break;
	186	}
	187	}
	188	else
	189	while (p < ep)
	190	{
	191	r=asn1_parse2(bp,&p,(long)len,
	192	offset+(p - *pp),depth+1,
ca1e465f	193	indent,dump);
d02b48c6 RE	194	if (r == 0) { ret=0; goto end; }
	195	}
	196	}
	197	else if (xclass != 0)
	198	{
	199	p+=len;
	200	if (BIO_write(bp,"\n",1) <= 0) goto end;
	201	}
	202	else
	203	{
	204	nl=0;
	205	if ( (tag == V_ASN1_PRINTABLESTRING) \|\|
	206	(tag == V_ASN1_T61STRING) \|\|
	207	(tag == V_ASN1_IA5STRING) \|\|
c83e523d	208	(tag == V_ASN1_VISIBLESTRING) \|\|
dfeab068 RE	209	(tag == V_ASN1_UTCTIME) \|\|
dfeab068 RE	210	(tag == V_ASN1_GENERALIZEDTIME))
d02b48c6 RE	211	{
	212	if (BIO_write(bp,":",1) <= 0) goto end;
	213	if ((len > 0) &&
70f34a58	214	BIO_write(bp,(const char *)p,(int)len)
d02b48c6 RE	215	!= (int)len)
	216	goto end;
	217	}
	218	else if (tag == V_ASN1_OBJECT)
	219	{
	220	opp=op;
	221	if (d2i_ASN1_OBJECT(&o,&opp,len+hl) != NULL)
	222	{
	223	if (BIO_write(bp,":",1) <= 0) goto end;
	224	i2a_ASN1_OBJECT(bp,o);
	225	}
	226	else
	227	{
	228	if (BIO_write(bp,":BAD OBJECT",11) <= 0)
	229	goto end;
	230	}
	231	}
	232	else if (tag == V_ASN1_BOOLEAN)
	233	{
	234	int ii;
	235
	236	opp=op;
	237	ii=d2i_ASN1_BOOLEAN(NULL,&opp,len+hl);
	238	if (ii < 0)
	239	{
	240	if (BIO_write(bp,"Bad boolean\n",12))
	241	goto end;
	242	}
	243	BIO_printf(bp,":%d",ii);
	244	}
58964a49 RE	245	else if (tag == V_ASN1_BMPSTRING)
	246	{
	247	/* do the BMP thang */
	248	}
d02b48c6 RE	249	else if (tag == V_ASN1_OCTET_STRING)
	250	{
	251	int i,printable=1;
	252
	253	opp=op;
	254	os=d2i_ASN1_OCTET_STRING(NULL,&opp,len+hl);
ea4f109c	255	if (os != NULL && os->length > 0)
d02b48c6	256	{
ea4f109c BM	257	opp = os->data;
	258	/* testing whether the octet string is
	259	* printable */
d02b48c6 RE	260	for (i=0; i<os->length; i++)
	261	{
	262	if (( (opp[i] < ' ') &&
	263	(opp[i] != '\n') &&
	264	(opp[i] != '\r') &&
	265	(opp[i] != '\t')) \|\|
	266	(opp[i] > '~'))
	267	{
	268	printable=0;
	269	break;
	270	}
	271	}
ea4f109c BM	272	if (printable)
ea4f109c BM	273	/* printable string */
d02b48c6 RE	274	{
	275	if (BIO_write(bp,":",1) <= 0)
	276	goto end;
70f34a58	277	if (BIO_write(bp,(const char *)opp,
d02b48c6 RE	278	os->length) <= 0)
	279	goto end;
	280	}
ea4f109c BM	281	else if (!dump)
	282	/* not printable => print octet string
	283	* as hex dump */
	284	{
	285	if (BIO_write(bp,"[HEX DUMP]:",11) <= 0)
	286	goto end;
	287	for (i=0; i<os->length; i++)
	288	{
	289	if (BIO_printf(bp,"%02X"
	290	, opp[i]) <= 0)
	291	goto end;
	292	}
	293	}
	294	else
	295	/* print the normal dump */
ca1e465f RL	296	{
	297	if (!nl)
	298	{
	299	if (BIO_write(bp,"\n",1) <= 0)
	300	goto end;
	301	}
70f34a58 NL	302	if (BIO_dump_indent(bp,
70f34a58 NL	303	(const char *)opp,
ea4f109c BM	304	((dump == -1 \|\| dump >
ea4f109c BM	305	os->length)?os->length:dump),
ca1e465f RL	306	dump_indent) <= 0)
	307	goto end;
	308	nl=1;
	309	}
ea4f109c BM	310	}
	311	if (os != NULL)
	312	{
08e9c1af	313	M_ASN1_OCTET_STRING_free(os);
d02b48c6 RE	314	os=NULL;
	315	}
	316	}
	317	else if (tag == V_ASN1_INTEGER)
	318	{
	319	ASN1_INTEGER *bs;
	320	int i;
	321
	322	opp=op;
	323	bs=d2i_ASN1_INTEGER(NULL,&opp,len+hl);
	324	if (bs != NULL)
	325	{
	326	if (BIO_write(bp,":",1) <= 0) goto end;
	327	if (bs->type == V_ASN1_NEG_INTEGER)
	328	if (BIO_write(bp,"-",1) <= 0)
	329	goto end;
	330	for (i=0; i<bs->length; i++)
	331	{
	332	if (BIO_printf(bp,"%02X",
	333	bs->data[i]) <= 0)
	334	goto end;
	335	}
	336	if (bs->length == 0)
	337	{
	338	if (BIO_write(bp,"00",2) <= 0)
	339	goto end;
	340	}
	341	}
	342	else
	343	{
	344	if (BIO_write(bp,"BAD INTEGER",11) <= 0)
	345	goto end;
	346	}
08e9c1af	347	M_ASN1_INTEGER_free(bs);
d02b48c6	348	}
bceacf93 DSH	349	else if (tag == V_ASN1_ENUMERATED)
	350	{
	351	ASN1_ENUMERATED *bs;
	352	int i;
	353
	354	opp=op;
	355	bs=d2i_ASN1_ENUMERATED(NULL,&opp,len+hl);
	356	if (bs != NULL)
	357	{
	358	if (BIO_write(bp,":",1) <= 0) goto end;
	359	if (bs->type == V_ASN1_NEG_ENUMERATED)
	360	if (BIO_write(bp,"-",1) <= 0)
	361	goto end;
	362	for (i=0; i<bs->length; i++)
	363	{
	364	if (BIO_printf(bp,"%02X",
	365	bs->data[i]) <= 0)
	366	goto end;
	367	}
	368	if (bs->length == 0)
	369	{
	370	if (BIO_write(bp,"00",2) <= 0)
	371	goto end;
	372	}
	373	}
	374	else
	375	{
	376	if (BIO_write(bp,"BAD ENUMERATED",11) <= 0)
	377	goto end;
	378	}
08e9c1af	379	M_ASN1_ENUMERATED_free(bs);
bceacf93	380	}
ca1e465f RL	381	else if (len > 0 && dump)
	382	{
	383	if (!nl)
	384	{
	385	if (BIO_write(bp,"\n",1) <= 0)
	386	goto end;
	387	}
70f34a58	388	if (BIO_dump_indent(bp,(const char *)p,
ca1e465f RL	389	((dump == -1 \|\| dump > len)?len:dump),
	390	dump_indent) <= 0)
	391	goto end;
	392	nl=1;
	393	}
d02b48c6 RE	394
	395	if (!nl)
	396	{
	397	if (BIO_write(bp,"\n",1) <= 0) goto end;
	398	}
	399	p+=len;
	400	if ((tag == V_ASN1_EOC) && (xclass == 0))
	401	{
	402	ret=2; /* End of sequence */
	403	goto end;
	404	}
	405	}
	406	length-=len;
	407	}
	408	ret=1;
	409	end:
	410	if (o != NULL) ASN1_OBJECT_free(o);
08e9c1af	411	if (os != NULL) M_ASN1_OCTET_STRING_free(os);
d02b48c6 RE	412	*pp=p;
	413	return(ret);
	414	}
a785abc3 DSH	415
	416	const char *ASN1_tag2str(int tag)
	417	{
ebc06fba	418	static const char * const tag2str[] = {
a785abc3 DSH	419	"EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING", /* 0-4 */
	420	"NULL", "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL", /* 5-9 */
	421	"ENUMERATED", "<ASN1 11>", "UTF8STRING", "<ASN1 13>", /* 10-13 */
	422	"<ASN1 14>", "<ASN1 15>", "SEQUENCE", "SET", /* 15-17 */
	423	"NUMERICSTRING", "PRINTABLESTRING", "T61STRING", /* 18-20 */
2d681b77	424	"VIDEOTEXSTRING", "IA5STRING", "UTCTIME","GENERALIZEDTIME", /* 21-24 */
a785abc3 DSH	425	"GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING", /* 25-27 */
	426	"UNIVERSALSTRING", "<ASN1 29>", "BMPSTRING" /* 28-30 */
	427	};
	428
	429	if((tag == V_ASN1_NEG_INTEGER) \|\| (tag == V_ASN1_NEG_ENUMERATED))
	430	tag &= ~0x100;
	431
	432	if(tag < 0 \|\| tag > 30) return "(unknown)";
	433	return tag2str[tag];
	434	}
	435