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

/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

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

#ifndef ASN1_PARSE_MAXDEPTH
#define ASN1_PARSE_MAXDEPTH 128
#endif

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, dump_cont = 0;

    if (depth > ASN1_PARSE_MAXDEPTH) {
            BIO_puts(bp, "BAD RECURSION DEPTH\n");
            return 0;
    }

    dump_indent = 6;            /* Because we know BIO_dump_indent() */
    p = *pp;
    tot = p + length;
    op = p - 1;
    while ((p < tot) && (op < p)) {
        op = p;
        j = ASN1_get_object(&p, &len, &tag, &xclass, length);
        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) {
            const unsigned char *sp = p;
                
            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)) {
                        len = p - sp;
                        break;
                    }
                }
            } else {
                long tmp = len;

                while (p < ep) {
                    sp = p;
                    r = asn1_parse2(bp, &p, tmp,
                                    offset + (p - *pp), depth + 1,
                                    indent, dump);
                    if (r == 0) {
                        ret = 0;
                        goto end;
                    }
                    tmp -= p - sp;
                }
            }
        } 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_NUMERICSTRING) ||
                (tag == V_ASN1_UTF8STRING) ||
                (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_puts(bp, ":BAD OBJECT") <= 0)
                        goto end;
                    dump_cont = 1;
                }
            } else if (tag == V_ASN1_BOOLEAN) {
                if (len != 1) {
                    if (BIO_puts(bp, ":BAD BOOLEAN") <= 0)
                        goto end;
                    dump_cont = 1;
                }
                if (len > 0)
                    BIO_printf(bp, ":%u", p[0]);
            } 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;
                    }
                }
                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_puts(bp, ":BAD INTEGER") <= 0)
                        goto end;
                    dump_cont = 1;
                }
                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_puts(bp, ":BAD ENUMERATED") <= 0)
                        goto end;
                    dump_cont = 1;
                }
                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 (dump_cont) {
                int i;
                const unsigned char *tmp = op + hl;
                if (BIO_puts(bp, ":[") <= 0)
                    goto end;
                for (i = 0; i < len; i++) {
                    if (BIO_printf(bp, "%02X", tmp[i]) <= 0)
                        goto end;
                }
                if (BIO_puts(bp, "]") <= 0)
                    goto end;
            }

            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:
    ASN1_OBJECT_free(o);
    ASN1_OCTET_STRING_free(os);
    *pp = p;
    return (ret);
}

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

    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
2039c421 RS	1	/*
2039c421 RS	2	* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	3	*
2039c421 RS	4	* Licensed under the OpenSSL license (the "License"). You may not use
	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
d02b48c6 RE	8	*/
	9
	10	#include <stdio.h>
b39fc560	11	#include "internal/cryptlib.h"
ec577822 BM	12	#include <openssl/buffer.h>
ec577822 BM	13	#include <openssl/objects.h>
f66c3032	14	#include <openssl/asn1.h>
d02b48c6	15
158e5207 DSH	16	#ifndef ASN1_PARSE_MAXDEPTH
	17	#define ASN1_PARSE_MAXDEPTH 128
	18	#endif
	19
0f113f3e MC	20	static int asn1_print_info(BIO *bp, int tag, int xclass, int constructed,
0f113f3e MC	21	int indent);
6343829a	22	static int asn1_parse2(BIO bp, const unsigned char *pp, long length,
0f113f3e	23	int offset, int depth, int indent, int dump);
6b691a5c	24	static int asn1_print_info(BIO *bp, int tag, int xclass, int constructed,
0f113f3e MC	25	int indent)
	26	{
	27	static const char fmt[] = "%-18s";
	28	char str[128];
	29	const char *p;
d02b48c6	30
0f113f3e MC	31	if (constructed & V_ASN1_CONSTRUCTED)
	32	p = "cons: ";
	33	else
	34	p = "prim: ";
	35	if (BIO_write(bp, p, 6) < 6)
	36	goto err;
	37	BIO_indent(bp, indent, 128);
d02b48c6	38
0f113f3e MC	39	p = str;
	40	if ((xclass & V_ASN1_PRIVATE) == V_ASN1_PRIVATE)
	41	BIO_snprintf(str, sizeof str, "priv [ %d ] ", tag);
	42	else if ((xclass & V_ASN1_CONTEXT_SPECIFIC) == V_ASN1_CONTEXT_SPECIFIC)
	43	BIO_snprintf(str, sizeof str, "cont [ %d ]", tag);
	44	else if ((xclass & V_ASN1_APPLICATION) == V_ASN1_APPLICATION)
	45	BIO_snprintf(str, sizeof str, "appl [ %d ]", tag);
	46	else if (tag > 30)
	47	BIO_snprintf(str, sizeof str, "<ASN1 %d>", tag);
	48	else
	49	p = ASN1_tag2str(tag);
d02b48c6	50
0f113f3e MC	51	if (BIO_printf(bp, fmt, p) <= 0)
	52	goto err;
	53	return (1);
	54	err:
	55	return (0);
	56	}
d02b48c6	57
6343829a	58	int ASN1_parse(BIO bp, const unsigned char pp, long len, int indent)
0f113f3e MC	59	{
	60	return (asn1_parse2(bp, &pp, len, 0, 0, indent, 0));
	61	}
ca1e465f	62
0f113f3e MC	63	int ASN1_parse_dump(BIO bp, const unsigned char pp, long len, int indent,
	64	int dump)
	65	{
	66	return (asn1_parse2(bp, &pp, len, 0, 0, indent, dump));
	67	}
d02b48c6	68
0f113f3e MC	69	static int asn1_parse2(BIO bp, const unsigned char *pp, long length,
	70	int offset, int depth, int indent, int dump)
	71	{
	72	const unsigned char p, ep, tot, op, *opp;
	73	long len;
	74	int tag, xclass, ret = 0;
	75	int nl, hl, j, r;
	76	ASN1_OBJECT *o = NULL;
	77	ASN1_OCTET_STRING *os = NULL;
	78	/* ASN1_BMPSTRING bmp=NULL; /
2ab7af7b	79	int dump_indent, dump_cont = 0;
d02b48c6	80
158e5207 DSH	81	if (depth > ASN1_PARSE_MAXDEPTH) {
158e5207 DSH	82	BIO_puts(bp, "BAD RECURSION DEPTH\n");
63eb10a0	83	return 0;
158e5207 DSH	84	}
158e5207 DSH	85
0f113f3e	86	dump_indent = 6; /* Because we know BIO_dump_indent() */
0f113f3e MC	87	p = *pp;
	88	tot = p + length;
	89	op = p - 1;
	90	while ((p < tot) && (op < p)) {
	91	op = p;
	92	j = ASN1_get_object(&p, &len, &tag, &xclass, length);
	93	if (j & 0x80) {
	94	if (BIO_write(bp, "Error in encoding\n", 18) <= 0)
	95	goto end;
	96	ret = 0;
	97	goto end;
	98	}
	99	hl = (p - op);
	100	length -= hl;
	101	/*
	102	* if j == 0x21 it is a constructed indefinite length object
	103	*/
	104	if (BIO_printf(bp, "%5ld:", (long)offset + (long)(op - *pp))
	105	<= 0)
	106	goto end;
d02b48c6	107
0f113f3e MC	108	if (j != (V_ASN1_CONSTRUCTED \| 1)) {
	109	if (BIO_printf(bp, "d=%-2d hl=%ld l=%4ld ",
	110	depth, (long)hl, len) <= 0)
	111	goto end;
	112	} else {
	113	if (BIO_printf(bp, "d=%-2d hl=%ld l=inf ", depth, (long)hl) <= 0)
	114	goto end;
	115	}
	116	if (!asn1_print_info(bp, tag, xclass, j, (indent) ? depth : 0))
	117	goto end;
	118	if (j & V_ASN1_CONSTRUCTED) {
79c7f74d BL	119	const unsigned char *sp = p;
79c7f74d BL	120
0f113f3e MC	121	ep = p + len;
	122	if (BIO_write(bp, "\n", 1) <= 0)
	123	goto end;
	124	if (len > length) {
	125	BIO_printf(bp, "length is greater than %ld\n", length);
	126	ret = 0;
	127	goto end;
	128	}
	129	if ((j == 0x21) && (len == 0)) {
	130	for (;;) {
	131	r = asn1_parse2(bp, &p, (long)(tot - p),
	132	offset + (p - *pp), depth + 1,
	133	indent, dump);
	134	if (r == 0) {
	135	ret = 0;
	136	goto end;
	137	}
79c7f74d BL	138	if ((r == 2) \|\| (p >= tot)) {
79c7f74d BL	139	len = p - sp;
0f113f3e	140	break;
79c7f74d	141	}
0f113f3e	142	}
79c7f74d	143	} else {
bdcd660e VD	144	long tmp = len;
bdcd660e VD	145
0f113f3e	146	while (p < ep) {
79c7f74d	147	sp = p;
bdcd660e	148	r = asn1_parse2(bp, &p, tmp,
0f113f3e MC	149	offset + (p - *pp), depth + 1,
	150	indent, dump);
	151	if (r == 0) {
	152	ret = 0;
	153	goto end;
	154	}
bdcd660e	155	tmp -= p - sp;
0f113f3e	156	}
79c7f74d	157	}
0f113f3e MC	158	} else if (xclass != 0) {
	159	p += len;
	160	if (BIO_write(bp, "\n", 1) <= 0)
	161	goto end;
	162	} else {
	163	nl = 0;
	164	if ((tag == V_ASN1_PRINTABLESTRING) \|\|
	165	(tag == V_ASN1_T61STRING) \|\|
	166	(tag == V_ASN1_IA5STRING) \|\|
	167	(tag == V_ASN1_VISIBLESTRING) \|\|
	168	(tag == V_ASN1_NUMERICSTRING) \|\|
	169	(tag == V_ASN1_UTF8STRING) \|\|
	170	(tag == V_ASN1_UTCTIME) \|\| (tag == V_ASN1_GENERALIZEDTIME)) {
	171	if (BIO_write(bp, ":", 1) <= 0)
	172	goto end;
	173	if ((len > 0) && BIO_write(bp, (const char *)p, (int)len)
	174	!= (int)len)
	175	goto end;
	176	} else if (tag == V_ASN1_OBJECT) {
	177	opp = op;
	178	if (d2i_ASN1_OBJECT(&o, &opp, len + hl) != NULL) {
	179	if (BIO_write(bp, ":", 1) <= 0)
	180	goto end;
	181	i2a_ASN1_OBJECT(bp, o);
	182	} else {
b1a99374	183	if (BIO_puts(bp, ":BAD OBJECT") <= 0)
0f113f3e	184	goto end;
2ab7af7b	185	dump_cont = 1;
0f113f3e MC	186	}
0f113f3e MC	187	} else if (tag == V_ASN1_BOOLEAN) {
564df0dd	188	if (len != 1) {
b1a99374	189	if (BIO_puts(bp, ":BAD BOOLEAN") <= 0)
0f113f3e	190	goto end;
2ab7af7b	191	dump_cont = 1;
0f113f3e	192	}
79c7f74d BL	193	if (len > 0)
79c7f74d BL	194	BIO_printf(bp, ":%u", p[0]);
0f113f3e MC	195	} else if (tag == V_ASN1_BMPSTRING) {
	196	/* do the BMP thang */
	197	} else if (tag == V_ASN1_OCTET_STRING) {
	198	int i, printable = 1;
d02b48c6	199
0f113f3e MC	200	opp = op;
	201	os = d2i_ASN1_OCTET_STRING(NULL, &opp, len + hl);
	202	if (os != NULL && os->length > 0) {
	203	opp = os->data;
	204	/*
	205	* testing whether the octet string is printable
	206	*/
	207	for (i = 0; i < os->length; i++) {
	208	if (((opp[i] < ' ') &&
	209	(opp[i] != '\n') &&
	210	(opp[i] != '\r') &&
	211	(opp[i] != '\t')) \|\| (opp[i] > '~')) {
	212	printable = 0;
	213	break;
	214	}
	215	}
	216	if (printable)
	217	/* printable string */
	218	{
	219	if (BIO_write(bp, ":", 1) <= 0)
	220	goto end;
	221	if (BIO_write(bp, (const char *)opp, os->length) <= 0)
	222	goto end;
	223	} else if (!dump)
	224	/*
	225	* not printable => print octet string as hex dump
	226	*/
	227	{
	228	if (BIO_write(bp, "[HEX DUMP]:", 11) <= 0)
	229	goto end;
	230	for (i = 0; i < os->length; i++) {
	231	if (BIO_printf(bp, "%02X", opp[i]) <= 0)
	232	goto end;
	233	}
	234	} else
	235	/* print the normal dump */
	236	{
	237	if (!nl) {
	238	if (BIO_write(bp, "\n", 1) <= 0)
	239	goto end;
	240	}
	241	if (BIO_dump_indent(bp,
	242	(const char *)opp,
	243	((dump == -1 \|\| dump >
	244	os->
	245	length) ? os->length : dump),
	246	dump_indent) <= 0)
	247	goto end;
	248	nl = 1;
	249	}
	250	}
0dfb9398 RS	251	ASN1_OCTET_STRING_free(os);
0dfb9398 RS	252	os = NULL;
0f113f3e MC	253	} else if (tag == V_ASN1_INTEGER) {
	254	ASN1_INTEGER *bs;
	255	int i;
d02b48c6	256
0f113f3e MC	257	opp = op;
	258	bs = d2i_ASN1_INTEGER(NULL, &opp, len + hl);
	259	if (bs != NULL) {
	260	if (BIO_write(bp, ":", 1) <= 0)
	261	goto end;
	262	if (bs->type == V_ASN1_NEG_INTEGER)
	263	if (BIO_write(bp, "-", 1) <= 0)
	264	goto end;
	265	for (i = 0; i < bs->length; i++) {
	266	if (BIO_printf(bp, "%02X", bs->data[i]) <= 0)
	267	goto end;
	268	}
	269	if (bs->length == 0) {
	270	if (BIO_write(bp, "00", 2) <= 0)
	271	goto end;
	272	}
	273	} else {
b1a99374	274	if (BIO_puts(bp, ":BAD INTEGER") <= 0)
0f113f3e	275	goto end;
2ab7af7b	276	dump_cont = 1;
0f113f3e	277	}
f422a514	278	ASN1_INTEGER_free(bs);
0f113f3e MC	279	} else if (tag == V_ASN1_ENUMERATED) {
	280	ASN1_ENUMERATED *bs;
	281	int i;
bceacf93	282
0f113f3e MC	283	opp = op;
	284	bs = d2i_ASN1_ENUMERATED(NULL, &opp, len + hl);
	285	if (bs != NULL) {
	286	if (BIO_write(bp, ":", 1) <= 0)
	287	goto end;
	288	if (bs->type == V_ASN1_NEG_ENUMERATED)
	289	if (BIO_write(bp, "-", 1) <= 0)
	290	goto end;
	291	for (i = 0; i < bs->length; i++) {
	292	if (BIO_printf(bp, "%02X", bs->data[i]) <= 0)
	293	goto end;
	294	}
	295	if (bs->length == 0) {
	296	if (BIO_write(bp, "00", 2) <= 0)
	297	goto end;
	298	}
	299	} else {
b1a99374	300	if (BIO_puts(bp, ":BAD ENUMERATED") <= 0)
0f113f3e	301	goto end;
2ab7af7b	302	dump_cont = 1;
0f113f3e	303	}
f422a514	304	ASN1_ENUMERATED_free(bs);
0f113f3e MC	305	} else if (len > 0 && dump) {
	306	if (!nl) {
	307	if (BIO_write(bp, "\n", 1) <= 0)
	308	goto end;
	309	}
	310	if (BIO_dump_indent(bp, (const char *)p,
	311	((dump == -1 \|\| dump > len) ? len : dump),
	312	dump_indent) <= 0)
	313	goto end;
	314	nl = 1;
	315	}
2ab7af7b DSH	316	if (dump_cont) {
	317	int i;
	318	const unsigned char *tmp = op + hl;
	319	if (BIO_puts(bp, ":[") <= 0)
	320	goto end;
	321	for (i = 0; i < len; i++) {
	322	if (BIO_printf(bp, "%02X", tmp[i]) <= 0)
	323	goto end;
	324	}
	325	if (BIO_puts(bp, "]") <= 0)
	326	goto end;
	327	}
d02b48c6	328
0f113f3e MC	329	if (!nl) {
	330	if (BIO_write(bp, "\n", 1) <= 0)
	331	goto end;
	332	}
	333	p += len;
	334	if ((tag == V_ASN1_EOC) && (xclass == 0)) {
	335	ret = 2; /* End of sequence */
	336	goto end;
	337	}
	338	}
	339	length -= len;
	340	}
	341	ret = 1;
	342	end:
0dfb9398 RS	343	ASN1_OBJECT_free(o);
0dfb9398 RS	344	ASN1_OCTET_STRING_free(os);
0f113f3e MC	345	*pp = p;
	346	return (ret);
	347	}
a785abc3 DSH	348
	349	const char *ASN1_tag2str(int tag)
	350	{
0f113f3e	351	static const char *const tag2str[] = {
b853717f	352	/* 0-4 */
0f113f3e MC	353	"EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING",
	354	/* 5-9 */
	355	"NULL", "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL",
b853717f	356	/* 10-13 */
0f113f3e MC	357	"ENUMERATED", "<ASN1 11>", "UTF8STRING", "<ASN1 13>",
	358	/* 15-17 */
	359	"<ASN1 14>", "<ASN1 15>", "SEQUENCE", "SET",
	360	/* 18-20 */
	361	"NUMERICSTRING", "PRINTABLESTRING", "T61STRING",
b853717f	362	/* 21-24 */
0f113f3e	363	"VIDEOTEXSTRING", "IA5STRING", "UTCTIME", "GENERALIZEDTIME",
b853717f	364	/* 25-27 */
0f113f3e	365	"GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING",
b853717f	366	/* 28-30 */
0f113f3e MC	367	"UNIVERSALSTRING", "<ASN1 29>", "BMPSTRING"
0f113f3e MC	368	};
a785abc3	369
0f113f3e MC	370	if ((tag == V_ASN1_NEG_INTEGER) \|\| (tag == V_ASN1_NEG_ENUMERATED))
0f113f3e MC	371	tag &= ~0x100;
a785abc3	372
0f113f3e MC	373	if (tag < 0 \|\| tag > 30)
	374	return "(unknown)";
	375	return tag2str[tag];
a785abc3	376	}