[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, size_t 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, size_t len, int indent)
	{
	return(asn1_parse2(bp,&pp,len,0,0,indent,0));
	}

int ASN1_parse_dump(BIO *bp, const unsigned char *pp, size_t 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, size_t length,
		       int offset, int depth, int indent, int dump)
	{
	const unsigned char *p,*ep,*tot,*op,*opp;
	size_t 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,(long)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",
					   (long)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,
4d6e1e4f BL	66	int indent);
	67	static int asn1_parse2(BIO bp, const unsigned char *pp, size_t 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,
4d6e1e4f	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
4d6e1e4f	102	int ASN1_parse(BIO bp, const unsigned char pp, size_t len, int indent)
d02b48c6	103	{
ca1e465f RL	104	return(asn1_parse2(bp,&pp,len,0,0,indent,0));
	105	}
	106
4d6e1e4f BL	107	int ASN1_parse_dump(BIO bp, const unsigned char pp, size_t len, int indent,
4d6e1e4f BL	108	int dump)
ca1e465f RL	109	{
ca1e465f RL	110	return(asn1_parse2(bp,&pp,len,0,0,indent,dump));
d02b48c6 RE	111	}
d02b48c6 RE	112
4d6e1e4f BL	113	static int asn1_parse2(BIO bp, const unsigned char *pp, size_t length,
4d6e1e4f BL	114	int offset, int depth, int indent, int dump)
d02b48c6	115	{
875a644a	116	const unsigned char p,ep,tot,op,*opp;
4d6e1e4f	117	size_t len;
d02b48c6 RE	118	int tag,xclass,ret=0;
	119	int nl,hl,j,r;
	120	ASN1_OBJECT *o=NULL;
	121	ASN1_OCTET_STRING *os=NULL;
58964a49	122	/* ASN1_BMPSTRING bmp=NULL;/
ca1e465f	123	int dump_indent;
d02b48c6	124
ca1e465f RL	125	#if 0
	126	dump_indent = indent;
	127	#else
	128	dump_indent = 6; /* Because we know BIO_dump_indent() */
	129	#endif
d02b48c6 RE	130	p= *pp;
	131	tot=p+length;
	132	op=p-1;
	133	while ((p < tot) && (op < p))
	134	{
	135	op=p;
	136	j=ASN1_get_object(&p,&len,&tag,&xclass,length);
	137	#ifdef LINT
	138	j=j;
	139	#endif
	140	if (j & 0x80)
	141	{
	142	if (BIO_write(bp,"Error in encoding\n",18) <= 0)
	143	goto end;
	144	ret=0;
	145	goto end;
	146	}
	147	hl=(p-op);
	148	length-=hl;
	149	/* if j == 0x21 it is a constructed indefinite length object */
	150	if (BIO_printf(bp,"%5ld:",(long)offset+(long)(op- *pp))
	151	<= 0) goto end;
	152
	153	if (j != (V_ASN1_CONSTRUCTED \| 1))
	154	{
	155	if (BIO_printf(bp,"d=%-2d hl=%ld l=%4ld ",
4d6e1e4f	156	depth,(long)hl,(long)len) <= 0)
d02b48c6 RE	157	goto end;
	158	}
	159	else
	160	{
	161	if (BIO_printf(bp,"d=%-2d hl=%ld l=inf ",
4d6e1e4f	162	depth,(long)hl) <= 0)
d02b48c6 RE	163	goto end;
	164	}
	165	if (!asn1_print_info(bp,tag,xclass,j,(indent)?depth:0))
	166	goto end;
	167	if (j & V_ASN1_CONSTRUCTED)
	168	{
	169	ep=p+len;
	170	if (BIO_write(bp,"\n",1) <= 0) goto end;
	171	if (len > length)
	172	{
	173	BIO_printf(bp,
4d6e1e4f BL	174	"length is greater than %ld\n",
4d6e1e4f BL	175	(long)length);
d02b48c6 RE	176	ret=0;
	177	goto end;
	178	}
	179	if ((j == 0x21) && (len == 0))
	180	{
	181	for (;;)
	182	{
	183	r=asn1_parse2(bp,&p,(long)(tot-p),
	184	offset+(p - *pp),depth+1,
ca1e465f	185	indent,dump);
d02b48c6 RE	186	if (r == 0) { ret=0; goto end; }
	187	if ((r == 2) \|\| (p >= tot)) break;
	188	}
	189	}
	190	else
	191	while (p < ep)
	192	{
	193	r=asn1_parse2(bp,&p,(long)len,
	194	offset+(p - *pp),depth+1,
ca1e465f	195	indent,dump);
d02b48c6 RE	196	if (r == 0) { ret=0; goto end; }
	197	}
	198	}
	199	else if (xclass != 0)
	200	{
	201	p+=len;
	202	if (BIO_write(bp,"\n",1) <= 0) goto end;
	203	}
	204	else
	205	{
	206	nl=0;
	207	if ( (tag == V_ASN1_PRINTABLESTRING) \|\|
	208	(tag == V_ASN1_T61STRING) \|\|
	209	(tag == V_ASN1_IA5STRING) \|\|
c83e523d	210	(tag == V_ASN1_VISIBLESTRING) \|\|
dfeab068 RE	211	(tag == V_ASN1_UTCTIME) \|\|
dfeab068 RE	212	(tag == V_ASN1_GENERALIZEDTIME))
d02b48c6 RE	213	{
	214	if (BIO_write(bp,":",1) <= 0) goto end;
	215	if ((len > 0) &&
70f34a58	216	BIO_write(bp,(const char *)p,(int)len)
d02b48c6 RE	217	!= (int)len)
	218	goto end;
	219	}
	220	else if (tag == V_ASN1_OBJECT)
	221	{
	222	opp=op;
	223	if (d2i_ASN1_OBJECT(&o,&opp,len+hl) != NULL)
	224	{
	225	if (BIO_write(bp,":",1) <= 0) goto end;
	226	i2a_ASN1_OBJECT(bp,o);
	227	}
	228	else
	229	{
	230	if (BIO_write(bp,":BAD OBJECT",11) <= 0)
	231	goto end;
	232	}
	233	}
	234	else if (tag == V_ASN1_BOOLEAN)
	235	{
	236	int ii;
	237
	238	opp=op;
	239	ii=d2i_ASN1_BOOLEAN(NULL,&opp,len+hl);
	240	if (ii < 0)
	241	{
	242	if (BIO_write(bp,"Bad boolean\n",12))
	243	goto end;
	244	}
	245	BIO_printf(bp,":%d",ii);
	246	}
58964a49 RE	247	else if (tag == V_ASN1_BMPSTRING)
	248	{
	249	/* do the BMP thang */
	250	}
d02b48c6 RE	251	else if (tag == V_ASN1_OCTET_STRING)
	252	{
	253	int i,printable=1;
	254
	255	opp=op;
	256	os=d2i_ASN1_OCTET_STRING(NULL,&opp,len+hl);
ea4f109c	257	if (os != NULL && os->length > 0)
d02b48c6	258	{
ea4f109c BM	259	opp = os->data;
	260	/* testing whether the octet string is
	261	* printable */
d02b48c6 RE	262	for (i=0; i<os->length; i++)
	263	{
	264	if (( (opp[i] < ' ') &&
	265	(opp[i] != '\n') &&
	266	(opp[i] != '\r') &&
	267	(opp[i] != '\t')) \|\|
	268	(opp[i] > '~'))
	269	{
	270	printable=0;
	271	break;
	272	}
	273	}
ea4f109c BM	274	if (printable)
ea4f109c BM	275	/* printable string */
d02b48c6 RE	276	{
	277	if (BIO_write(bp,":",1) <= 0)
	278	goto end;
70f34a58	279	if (BIO_write(bp,(const char *)opp,
d02b48c6 RE	280	os->length) <= 0)
	281	goto end;
	282	}
ea4f109c BM	283	else if (!dump)
	284	/* not printable => print octet string
	285	* as hex dump */
	286	{
	287	if (BIO_write(bp,"[HEX DUMP]:",11) <= 0)
	288	goto end;
	289	for (i=0; i<os->length; i++)
	290	{
	291	if (BIO_printf(bp,"%02X"
	292	, opp[i]) <= 0)
	293	goto end;
	294	}
	295	}
	296	else
	297	/* print the normal dump */
ca1e465f RL	298	{
	299	if (!nl)
	300	{
	301	if (BIO_write(bp,"\n",1) <= 0)
	302	goto end;
	303	}
70f34a58 NL	304	if (BIO_dump_indent(bp,
70f34a58 NL	305	(const char *)opp,
ea4f109c BM	306	((dump == -1 \|\| dump >
ea4f109c BM	307	os->length)?os->length:dump),
ca1e465f RL	308	dump_indent) <= 0)
	309	goto end;
	310	nl=1;
	311	}
ea4f109c BM	312	}
	313	if (os != NULL)
	314	{
08e9c1af	315	M_ASN1_OCTET_STRING_free(os);
d02b48c6 RE	316	os=NULL;
	317	}
	318	}
	319	else if (tag == V_ASN1_INTEGER)
	320	{
	321	ASN1_INTEGER *bs;
	322	int i;
	323
	324	opp=op;
	325	bs=d2i_ASN1_INTEGER(NULL,&opp,len+hl);
	326	if (bs != NULL)
	327	{
	328	if (BIO_write(bp,":",1) <= 0) goto end;
	329	if (bs->type == V_ASN1_NEG_INTEGER)
	330	if (BIO_write(bp,"-",1) <= 0)
	331	goto end;
	332	for (i=0; i<bs->length; i++)
	333	{
	334	if (BIO_printf(bp,"%02X",
	335	bs->data[i]) <= 0)
	336	goto end;
	337	}
	338	if (bs->length == 0)
	339	{
	340	if (BIO_write(bp,"00",2) <= 0)
	341	goto end;
	342	}
	343	}
	344	else
	345	{
	346	if (BIO_write(bp,"BAD INTEGER",11) <= 0)
	347	goto end;
	348	}
08e9c1af	349	M_ASN1_INTEGER_free(bs);
d02b48c6	350	}
bceacf93 DSH	351	else if (tag == V_ASN1_ENUMERATED)
	352	{
	353	ASN1_ENUMERATED *bs;
	354	int i;
	355
	356	opp=op;
	357	bs=d2i_ASN1_ENUMERATED(NULL,&opp,len+hl);
	358	if (bs != NULL)
	359	{
	360	if (BIO_write(bp,":",1) <= 0) goto end;
	361	if (bs->type == V_ASN1_NEG_ENUMERATED)
	362	if (BIO_write(bp,"-",1) <= 0)
	363	goto end;
	364	for (i=0; i<bs->length; i++)
	365	{
	366	if (BIO_printf(bp,"%02X",
	367	bs->data[i]) <= 0)
	368	goto end;
	369	}
	370	if (bs->length == 0)
	371	{
	372	if (BIO_write(bp,"00",2) <= 0)
	373	goto end;
	374	}
	375	}
	376	else
	377	{
	378	if (BIO_write(bp,"BAD ENUMERATED",11) <= 0)
	379	goto end;
	380	}
08e9c1af	381	M_ASN1_ENUMERATED_free(bs);
bceacf93	382	}
ca1e465f RL	383	else if (len > 0 && dump)
	384	{
	385	if (!nl)
	386	{
	387	if (BIO_write(bp,"\n",1) <= 0)
	388	goto end;
	389	}
70f34a58	390	if (BIO_dump_indent(bp,(const char *)p,
ca1e465f RL	391	((dump == -1 \|\| dump > len)?len:dump),
	392	dump_indent) <= 0)
	393	goto end;
	394	nl=1;
	395	}
d02b48c6 RE	396
	397	if (!nl)
	398	{
	399	if (BIO_write(bp,"\n",1) <= 0) goto end;
	400	}
	401	p+=len;
	402	if ((tag == V_ASN1_EOC) && (xclass == 0))
	403	{
	404	ret=2; /* End of sequence */
	405	goto end;
	406	}
	407	}
	408	length-=len;
	409	}
	410	ret=1;
	411	end:
	412	if (o != NULL) ASN1_OBJECT_free(o);
08e9c1af	413	if (os != NULL) M_ASN1_OCTET_STRING_free(os);
d02b48c6 RE	414	*pp=p;
	415	return(ret);
	416	}
a785abc3 DSH	417
	418	const char *ASN1_tag2str(int tag)
	419	{
ebc06fba	420	static const char * const tag2str[] = {
a785abc3 DSH	421	"EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING", /* 0-4 */
	422	"NULL", "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL", /* 5-9 */
	423	"ENUMERATED", "<ASN1 11>", "UTF8STRING", "<ASN1 13>", /* 10-13 */
	424	"<ASN1 14>", "<ASN1 15>", "SEQUENCE", "SET", /* 15-17 */
	425	"NUMERICSTRING", "PRINTABLESTRING", "T61STRING", /* 18-20 */
2d681b77	426	"VIDEOTEXSTRING", "IA5STRING", "UTCTIME","GENERALIZEDTIME", /* 21-24 */
a785abc3 DSH	427	"GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING", /* 25-27 */
	428	"UNIVERSALSTRING", "<ASN1 29>", "BMPSTRING" /* 28-30 */
	429	};
	430
	431	if((tag == V_ASN1_NEG_INTEGER) \|\| (tag == V_ASN1_NEG_ENUMERATED))
	432	tag &= ~0x100;
	433
	434	if(tag < 0 \|\| tag > 30) return "(unknown)";
	435	return tag2str[tag];
	436	}
	437