[thirdparty/openssl.git] / apps / asn1pars.c

/*
 * Copyright 1995-2018 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 <stdlib.h>
#include <string.h>
#include "apps.h"
#include "progs.h"
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/asn1t.h>

typedef enum OPTION_choice {
    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
    OPT_INFORM, OPT_IN, OPT_OUT, OPT_INDENT, OPT_NOOUT,
    OPT_OID, OPT_OFFSET, OPT_LENGTH, OPT_DUMP, OPT_DLIMIT,
    OPT_STRPARSE, OPT_GENSTR, OPT_GENCONF, OPT_STRICTPEM,
    OPT_ITEM
} OPTION_CHOICE;

const OPTIONS asn1parse_options[] = {
    {"help", OPT_HELP, '-', "Display this summary"},
    {"inform", OPT_INFORM, 'F', "input format - one of DER PEM"},
    {"in", OPT_IN, '<', "input file"},
    {"out", OPT_OUT, '>', "output file (output format is always DER)"},
    {"i", OPT_INDENT, 0, "indents the output"},
    {"noout", OPT_NOOUT, 0, "do not produce any output"},
    {"offset", OPT_OFFSET, 'p', "offset into file"},
    {"length", OPT_LENGTH, 'p', "length of section in file"},
    {"oid", OPT_OID, '<', "file of extra oid definitions"},
    {"dump", OPT_DUMP, 0, "unknown data in hex form"},
    {"dlimit", OPT_DLIMIT, 'p',
     "dump the first arg bytes of unknown data in hex form"},
    {"strparse", OPT_STRPARSE, 's',
     "offset; a series of these can be used to 'dig'"},
    {OPT_MORE_STR, 0, 0, "into multiple ASN1 blob wrappings"},
    {"genstr", OPT_GENSTR, 's', "string to generate ASN1 structure from"},
    {"genconf", OPT_GENCONF, 's', "file to generate ASN1 structure from"},
    {OPT_MORE_STR, 0, 0, "(-inform  will be ignored)"},
    {"strictpem", OPT_STRICTPEM, 0,
     "do not attempt base64 decode outside PEM markers"},
    {"item", OPT_ITEM, 's', "item to parse and print"},
    {NULL}
};

static int do_generate(char *genstr, const char *genconf, BUF_MEM *buf);

int asn1parse_main(int argc, char **argv)
{
    ASN1_TYPE *at = NULL;
    BIO *in = NULL, *b64 = NULL, *derout = NULL;
    BUF_MEM *buf = NULL;
    STACK_OF(OPENSSL_STRING) *osk = NULL;
    char *genstr = NULL, *genconf = NULL;
    char *infile = NULL, *oidfile = NULL, *derfile = NULL;
    unsigned char *str = NULL;
    char *name = NULL, *header = NULL, *prog;
    const unsigned char *ctmpbuf;
    int indent = 0, noout = 0, dump = 0, strictpem = 0, informat = FORMAT_PEM;
    int offset = 0, ret = 1, i, j;
    long num, tmplen;
    unsigned char *tmpbuf;
    unsigned int length = 0;
    OPTION_CHOICE o;
    const ASN1_ITEM *it = NULL;

    prog = opt_init(argc, argv, asn1parse_options);

    if ((osk = sk_OPENSSL_STRING_new_null()) == NULL) {
        BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
        goto end;
    }

    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
 opthelp:
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(asn1parse_options);
            ret = 0;
            goto end;
        case OPT_INFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUT:
            derfile = opt_arg();
            break;
        case OPT_INDENT:
            indent = 1;
            break;
        case OPT_NOOUT:
            noout = 1;
            break;
        case OPT_OID:
            oidfile = opt_arg();
            break;
        case OPT_OFFSET:
            offset = strtol(opt_arg(), NULL, 0);
            break;
        case OPT_LENGTH:
            length = atoi(opt_arg());
            break;
        case OPT_DUMP:
            dump = -1;
            break;
        case OPT_DLIMIT:
            dump = atoi(opt_arg());
            break;
        case OPT_STRPARSE:
            sk_OPENSSL_STRING_push(osk, opt_arg());
            break;
        case OPT_GENSTR:
            genstr = opt_arg();
            break;
        case OPT_GENCONF:
            genconf = opt_arg();
            break;
        case OPT_STRICTPEM:
            strictpem = 1;
            informat = FORMAT_PEM;
            break;
        case OPT_ITEM:
            it = ASN1_ITEM_lookup(opt_arg());
            if (it == NULL) {
                size_t tmp;

                BIO_printf(bio_err, "Unknown item name %s\n", opt_arg());
                BIO_puts(bio_err, "Supported types:\n");
                for (tmp = 0;; tmp++) {
                    it = ASN1_ITEM_get(tmp);
                    if (it == NULL)
                        break;
                    BIO_printf(bio_err, "    %s\n", it->sname);
                }
                goto end;
            }
            break;
        }
    }
    argc = opt_num_rest();
    if (argc != 0)
        goto opthelp;

    if (oidfile != NULL) {
        in = bio_open_default(oidfile, 'r', FORMAT_TEXT);
        if (in == NULL)
            goto end;
        OBJ_create_objects(in);
        BIO_free(in);
    }

    if ((in = bio_open_default(infile, 'r', informat)) == NULL)
        goto end;

    if (derfile && (derout = bio_open_default(derfile, 'w', FORMAT_ASN1)) == NULL)
        goto end;

    if (strictpem) {
        if (PEM_read_bio(in, &name, &header, &str, &num) !=
            1) {
            BIO_printf(bio_err, "Error reading PEM file\n");
            ERR_print_errors(bio_err);
            goto end;
        }
    } else {

        if ((buf = BUF_MEM_new()) == NULL)
            goto end;
        if (!BUF_MEM_grow(buf, BUFSIZ * 8))
            goto end;           /* Pre-allocate :-) */

        if (genstr || genconf) {
            num = do_generate(genstr, genconf, buf);
            if (num < 0) {
                ERR_print_errors(bio_err);
                goto end;
            }
        } else {

            if (informat == FORMAT_PEM) {
                BIO *tmp;

                if ((b64 = BIO_new(BIO_f_base64())) == NULL)
                    goto end;
                BIO_push(b64, in);
                tmp = in;
                in = b64;
                b64 = tmp;
            }

            num = 0;
            for (;;) {
                if (!BUF_MEM_grow(buf, (int)num + BUFSIZ))
                    goto end;
                i = BIO_read(in, &(buf->data[num]), BUFSIZ);
                if (i <= 0)
                    break;
                num += i;
            }
        }
        str = (unsigned char *)buf->data;

    }

    /* If any structs to parse go through in sequence */

    if (sk_OPENSSL_STRING_num(osk)) {
        tmpbuf = str;
        tmplen = num;
        for (i = 0; i < sk_OPENSSL_STRING_num(osk); i++) {
            ASN1_TYPE *atmp;
            int typ;
            j = atoi(sk_OPENSSL_STRING_value(osk, i));
            if (j == 0) {
                BIO_printf(bio_err, "'%s' is an invalid number\n",
                           sk_OPENSSL_STRING_value(osk, i));
                continue;
            }
            tmpbuf += j;
            tmplen -= j;
            atmp = at;
            ctmpbuf = tmpbuf;
            at = d2i_ASN1_TYPE(NULL, &ctmpbuf, tmplen);
            ASN1_TYPE_free(atmp);
            if (!at) {
                BIO_printf(bio_err, "Error parsing structure\n");
                ERR_print_errors(bio_err);
                goto end;
            }
            typ = ASN1_TYPE_get(at);
            if ((typ == V_ASN1_OBJECT)
                || (typ == V_ASN1_BOOLEAN)
                || (typ == V_ASN1_NULL)) {
                BIO_printf(bio_err, "Can't parse %s type\n", ASN1_tag2str(typ));
                ERR_print_errors(bio_err);
                goto end;
            }
            /* hmm... this is a little evil but it works */
            tmpbuf = at->value.asn1_string->data;
            tmplen = at->value.asn1_string->length;
        }
        str = tmpbuf;
        num = tmplen;
    }

    if (offset >= num) {
        BIO_printf(bio_err, "Error: offset too large\n");
        goto end;
    }

    num -= offset;

    if ((length == 0) || ((long)length > num))
        length = (unsigned int)num;
    if (derout != NULL) {
        if (BIO_write(derout, str + offset, length) != (int)length) {
            BIO_printf(bio_err, "Error writing output\n");
            ERR_print_errors(bio_err);
            goto end;
        }
    }
    if (!noout) {
        const unsigned char *p = str + offset;

        if (it != NULL) {
            ASN1_VALUE *value = ASN1_item_d2i(NULL, &p, length, it);
            if (value == NULL) {
                BIO_printf(bio_err, "Error parsing item %s\n", it->sname);
                ERR_print_errors(bio_err);
                goto end;
            }
            ASN1_item_print(bio_out, value, 0, it, NULL);
            ASN1_item_free(value, it);
        } else {
            if (!ASN1_parse_dump(bio_out, p, length, indent, dump)) {
                ERR_print_errors(bio_err);
                goto end;
            }
        }
    }
    ret = 0;
 end:
    BIO_free(derout);
    BIO_free(in);
    BIO_free(b64);
    if (ret != 0)
        ERR_print_errors(bio_err);
    BUF_MEM_free(buf);
    OPENSSL_free(name);
    OPENSSL_free(header);
    if (strictpem)
        OPENSSL_free(str);
    ASN1_TYPE_free(at);
    sk_OPENSSL_STRING_free(osk);
    return ret;
}

static int do_generate(char *genstr, const char *genconf, BUF_MEM *buf)
{
    CONF *cnf = NULL;
    int len;
    unsigned char *p;
    ASN1_TYPE *atyp = NULL;

    if (genconf != NULL) {
        if ((cnf = app_load_config(genconf)) == NULL)
            goto err;
        if (genstr == NULL)
            genstr = NCONF_get_string(cnf, "default", "asn1");
        if (genstr == NULL) {
            BIO_printf(bio_err, "Can't find 'asn1' in '%s'\n", genconf);
            goto err;
        }
    }

    atyp = ASN1_generate_nconf(genstr, cnf);
    NCONF_free(cnf);
    cnf = NULL;

    if (atyp == NULL)
        return -1;

    len = i2d_ASN1_TYPE(atyp, NULL);

    if (len <= 0)
        goto err;

    if (!BUF_MEM_grow(buf, len))
        goto err;

    p = (unsigned char *)buf->data;

    i2d_ASN1_TYPE(atyp, &p);

    ASN1_TYPE_free(atyp);
    return len;

 err:
    NCONF_free(cnf);
    ASN1_TYPE_free(atyp);
    return -1;
}
Commit	Line	Data
846e33c7	1	/*
6738bf14	2	* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
0f113f3e	3	*
846e33c7 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>
	11	#include <stdlib.h>
	12	#include <string.h>
	13	#include "apps.h"
dab2cd68	14	#include "progs.h"
ec577822 BM	15	#include <openssl/err.h>
	16	#include <openssl/evp.h>
	17	#include <openssl/x509.h>
	18	#include <openssl/pem.h>
5fb10059	19	#include <openssl/asn1t.h>
d02b48c6	20
7e1b7485 RS	21	typedef enum OPTION_choice {
	22	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
	23	OPT_INFORM, OPT_IN, OPT_OUT, OPT_INDENT, OPT_NOOUT,
	24	OPT_OID, OPT_OFFSET, OPT_LENGTH, OPT_DUMP, OPT_DLIMIT,
5fb10059 DSH	25	OPT_STRPARSE, OPT_GENSTR, OPT_GENCONF, OPT_STRICTPEM,
5fb10059 DSH	26	OPT_ITEM
7e1b7485 RS	27	} OPTION_CHOICE;
7e1b7485 RS	28
44c83ebd	29	const OPTIONS asn1parse_options[] = {
7e1b7485 RS	30	{"help", OPT_HELP, '-', "Display this summary"},
	31	{"inform", OPT_INFORM, 'F', "input format - one of DER PEM"},
	32	{"in", OPT_IN, '<', "input file"},
	33	{"out", OPT_OUT, '>', "output file (output format is always DER)"},
6755ff11	34	{"i", OPT_INDENT, 0, "indents the output"},
16e1b281	35	{"noout", OPT_NOOUT, 0, "do not produce any output"},
7e1b7485 RS	36	{"offset", OPT_OFFSET, 'p', "offset into file"},
	37	{"length", OPT_LENGTH, 'p', "length of section in file"},
	38	{"oid", OPT_OID, '<', "file of extra oid definitions"},
	39	{"dump", OPT_DUMP, 0, "unknown data in hex form"},
	40	{"dlimit", OPT_DLIMIT, 'p',
	41	"dump the first arg bytes of unknown data in hex form"},
	42	{"strparse", OPT_STRPARSE, 's',
	43	"offset; a series of these can be used to 'dig'"},
	44	{OPT_MORE_STR, 0, 0, "into multiple ASN1 blob wrappings"},
	45	{"genstr", OPT_GENSTR, 's', "string to generate ASN1 structure from"},
	46	{"genconf", OPT_GENCONF, 's', "file to generate ASN1 structure from"},
	47	{OPT_MORE_STR, 0, 0, "(-inform will be ignored)"},
	48	{"strictpem", OPT_STRICTPEM, 0,
	49	"do not attempt base64 decode outside PEM markers"},
5fb10059	50	{"item", OPT_ITEM, 's', "item to parse and print"},
7e1b7485 RS	51	{NULL}
7e1b7485 RS	52	};
667ac4ec	53
cc696296	54	static int do_generate(char genstr, const char genconf, BUF_MEM *buf);
9ea1b878	55
7e1b7485	56	int asn1parse_main(int argc, char **argv)
0f113f3e	57	{
7e1b7485 RS	58	ASN1_TYPE *at = NULL;
7e1b7485 RS	59	BIO in = NULL, b64 = NULL, *derout = NULL;
0f113f3e MC	60	BUF_MEM *buf = NULL;
0f113f3e MC	61	STACK_OF(OPENSSL_STRING) *osk = NULL;
7e1b7485	62	char genstr = NULL, genconf = NULL;
d012c1a1 MC	63	char infile = NULL, oidfile = NULL, *derfile = NULL;
d012c1a1 MC	64	unsigned char *str = NULL;
7e1b7485 RS	65	char name = NULL, header = NULL, *prog;
	66	const unsigned char *ctmpbuf;
	67	int indent = 0, noout = 0, dump = 0, strictpem = 0, informat = FORMAT_PEM;
	68	int offset = 0, ret = 1, i, j;
	69	long num, tmplen;
	70	unsigned char *tmpbuf;
	71	unsigned int length = 0;
	72	OPTION_CHOICE o;
5fb10059	73	const ASN1_ITEM *it = NULL;
0f113f3e	74
7e1b7485	75	prog = opt_init(argc, argv, asn1parse_options);
0f113f3e	76
0f113f3e	77	if ((osk = sk_OPENSSL_STRING_new_null()) == NULL) {
7e1b7485	78	BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
0f113f3e MC	79	goto end;
0f113f3e MC	80	}
7e1b7485 RS	81
	82	while ((o = opt_next()) != OPT_EOF) {
	83	switch (o) {
	84	case OPT_EOF:
	85	case OPT_ERR:
	86	opthelp:
	87	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	88	goto end;
	89	case OPT_HELP:
	90	opt_help(asn1parse_options);
	91	ret = 0;
	92	goto end;
	93	case OPT_INFORM:
	94	if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
	95	goto opthelp;
2d4deb25	96	break;
7e1b7485 RS	97	case OPT_IN:
	98	infile = opt_arg();
	99	break;
	100	case OPT_OUT:
	101	derfile = opt_arg();
	102	break;
	103	case OPT_INDENT:
0f113f3e	104	indent = 1;
7e1b7485 RS	105	break;
7e1b7485 RS	106	case OPT_NOOUT:
0f113f3e	107	noout = 1;
7e1b7485 RS	108	break;
	109	case OPT_OID:
	110	oidfile = opt_arg();
	111	break;
	112	case OPT_OFFSET:
	113	offset = strtol(opt_arg(), NULL, 0);
	114	break;
	115	case OPT_LENGTH:
	116	length = atoi(opt_arg());
	117	break;
	118	case OPT_DUMP:
0f113f3e	119	dump = -1;
7e1b7485 RS	120	break;
	121	case OPT_DLIMIT:
	122	dump = atoi(opt_arg());
	123	break;
	124	case OPT_STRPARSE:
	125	sk_OPENSSL_STRING_push(osk, opt_arg());
	126	break;
	127	case OPT_GENSTR:
	128	genstr = opt_arg();
	129	break;
	130	case OPT_GENCONF:
	131	genconf = opt_arg();
	132	break;
	133	case OPT_STRICTPEM:
0f113f3e MC	134	strictpem = 1;
0f113f3e MC	135	informat = FORMAT_PEM;
0f113f3e	136	break;
5fb10059 DSH	137	case OPT_ITEM:
	138	it = ASN1_ITEM_lookup(opt_arg());
	139	if (it == NULL) {
	140	size_t tmp;
	141
	142	BIO_printf(bio_err, "Unknown item name %s\n", opt_arg());
	143	BIO_puts(bio_err, "Supported types:\n");
	144	for (tmp = 0;; tmp++) {
	145	it = ASN1_ITEM_get(tmp);
	146	if (it == NULL)
	147	break;
	148	BIO_printf(bio_err, " %s\n", it->sname);
	149	}
	150	goto end;
	151	}
	152	break;
0f113f3e	153	}
0f113f3e	154	}
7e1b7485	155	argc = opt_num_rest();
03358517 KR	156	if (argc != 0)
03358517 KR	157	goto opthelp;
58964a49	158
0f113f3e	159	if (oidfile != NULL) {
bdd58d98	160	in = bio_open_default(oidfile, 'r', FORMAT_TEXT);
7e1b7485	161	if (in == NULL)
0f113f3e	162	goto end;
0f113f3e	163	OBJ_create_objects(in);
7e1b7485	164	BIO_free(in);
0f113f3e MC	165	}
0f113f3e MC	166
bdd58d98	167	if ((in = bio_open_default(infile, 'r', informat)) == NULL)
7e1b7485	168	goto end;
0f113f3e	169
bdd58d98	170	if (derfile && (derout = bio_open_default(derfile, 'w', FORMAT_ASN1)) == NULL)
7e1b7485	171	goto end;
0f113f3e MC	172
0f113f3e MC	173	if (strictpem) {
d012c1a1	174	if (PEM_read_bio(in, &name, &header, &str, &num) !=
0f113f3e MC	175	1) {
	176	BIO_printf(bio_err, "Error reading PEM file\n");
	177	ERR_print_errors(bio_err);
	178	goto end;
	179	}
	180	} else {
	181
	182	if ((buf = BUF_MEM_new()) == NULL)
	183	goto end;
	184	if (!BUF_MEM_grow(buf, BUFSIZ * 8))
	185	goto end; /* Pre-allocate :-) */
	186
	187	if (genstr \|\| genconf) {
ecf3a1fb	188	num = do_generate(genstr, genconf, buf);
0f113f3e MC	189	if (num < 0) {
	190	ERR_print_errors(bio_err);
	191	goto end;
	192	}
2234212c	193	} else {
0f113f3e MC	194
	195	if (informat == FORMAT_PEM) {
	196	BIO *tmp;
	197
	198	if ((b64 = BIO_new(BIO_f_base64())) == NULL)
	199	goto end;
	200	BIO_push(b64, in);
	201	tmp = in;
	202	in = b64;
	203	b64 = tmp;
	204	}
	205
	206	num = 0;
	207	for (;;) {
	208	if (!BUF_MEM_grow(buf, (int)num + BUFSIZ))
	209	goto end;
	210	i = BIO_read(in, &(buf->data[num]), BUFSIZ);
	211	if (i <= 0)
	212	break;
	213	num += i;
	214	}
	215	}
d012c1a1	216	str = (unsigned char *)buf->data;
0f113f3e MC	217
	218	}
	219
	220	/* If any structs to parse go through in sequence */
	221
	222	if (sk_OPENSSL_STRING_num(osk)) {
d012c1a1	223	tmpbuf = str;
0f113f3e MC	224	tmplen = num;
	225	for (i = 0; i < sk_OPENSSL_STRING_num(osk); i++) {
	226	ASN1_TYPE *atmp;
	227	int typ;
	228	j = atoi(sk_OPENSSL_STRING_value(osk, i));
	229	if (j == 0) {
	230	BIO_printf(bio_err, "'%s' is an invalid number\n",
	231	sk_OPENSSL_STRING_value(osk, i));
	232	continue;
	233	}
	234	tmpbuf += j;
	235	tmplen -= j;
	236	atmp = at;
	237	ctmpbuf = tmpbuf;
	238	at = d2i_ASN1_TYPE(NULL, &ctmpbuf, tmplen);
	239	ASN1_TYPE_free(atmp);
	240	if (!at) {
	241	BIO_printf(bio_err, "Error parsing structure\n");
	242	ERR_print_errors(bio_err);
	243	goto end;
	244	}
	245	typ = ASN1_TYPE_get(at);
	246	if ((typ == V_ASN1_OBJECT)
e58c4d3c	247	\|\| (typ == V_ASN1_BOOLEAN)
0f113f3e	248	\|\| (typ == V_ASN1_NULL)) {
e58c4d3c	249	BIO_printf(bio_err, "Can't parse %s type\n", ASN1_tag2str(typ));
0f113f3e MC	250	ERR_print_errors(bio_err);
	251	goto end;
	252	}
	253	/* hmm... this is a little evil but it works */
	254	tmpbuf = at->value.asn1_string->data;
	255	tmplen = at->value.asn1_string->length;
	256	}
d012c1a1	257	str = tmpbuf;
0f113f3e MC	258	num = tmplen;
	259	}
	260
	261	if (offset >= num) {
	262	BIO_printf(bio_err, "Error: offset too large\n");
	263	goto end;
	264	}
	265
	266	num -= offset;
	267
	268	if ((length == 0) \|\| ((long)length > num))
	269	length = (unsigned int)num;
2234212c	270	if (derout != NULL) {
0f113f3e MC	271	if (BIO_write(derout, str + offset, length) != (int)length) {
	272	BIO_printf(bio_err, "Error writing output\n");
	273	ERR_print_errors(bio_err);
	274	goto end;
	275	}
	276	}
5fb10059 DSH	277	if (!noout) {
	278	const unsigned char *p = str + offset;
	279
	280	if (it != NULL) {
	281	ASN1_VALUE *value = ASN1_item_d2i(NULL, &p, length, it);
	282	if (value == NULL) {
	283	BIO_printf(bio_err, "Error parsing item %s\n", it->sname);
	284	ERR_print_errors(bio_err);
	285	goto end;
	286	}
	287	ASN1_item_print(bio_out, value, 0, it, NULL);
	288	ASN1_item_free(value, it);
	289	} else {
	290	if (!ASN1_parse_dump(bio_out, p, length, indent, dump)) {
	291	ERR_print_errors(bio_err);
	292	goto end;
	293	}
	294	}
0f113f3e MC	295	}
	296	ret = 0;
	297	end:
	298	BIO_free(derout);
ca3a82c3	299	BIO_free(in);
ca3a82c3	300	BIO_free(b64);
0f113f3e MC	301	if (ret != 0)
0f113f3e MC	302	ERR_print_errors(bio_err);
25aaa98a	303	BUF_MEM_free(buf);
b548a1f1 RS	304	OPENSSL_free(name);
	305	OPENSSL_free(header);
	306	if (strictpem)
0f113f3e	307	OPENSSL_free(str);
2ace7450	308	ASN1_TYPE_free(at);
25aaa98a	309	sk_OPENSSL_STRING_free(osk);
26a7d938	310	return ret;
0f113f3e	311	}
d02b48c6	312
cc696296	313	static int do_generate(char genstr, const char genconf, BUF_MEM *buf)
0f113f3e MC	314	{
	315	CONF *cnf = NULL;
	316	int len;
0f113f3e MC	317	unsigned char *p;
0f113f3e MC	318	ASN1_TYPE *atyp = NULL;
9ea1b878	319
2234212c	320	if (genconf != NULL) {
cc01d217 RS	321	if ((cnf = app_load_config(genconf)) == NULL)
cc01d217 RS	322	goto err;
2234212c	323	if (genstr == NULL)
0f113f3e	324	genstr = NCONF_get_string(cnf, "default", "asn1");
2234212c	325	if (genstr == NULL) {
ecf3a1fb	326	BIO_printf(bio_err, "Can't find 'asn1' in '%s'\n", genconf);
0f113f3e MC	327	goto err;
	328	}
	329	}
9ea1b878	330
0f113f3e MC	331	atyp = ASN1_generate_nconf(genstr, cnf);
	332	NCONF_free(cnf);
	333	cnf = NULL;
9ea1b878	334
2234212c	335	if (atyp == NULL)
0f113f3e	336	return -1;
9ea1b878	337
0f113f3e	338	len = i2d_ASN1_TYPE(atyp, NULL);
9ea1b878	339
0f113f3e MC	340	if (len <= 0)
0f113f3e MC	341	goto err;
9ea1b878	342
0f113f3e MC	343	if (!BUF_MEM_grow(buf, len))
0f113f3e MC	344	goto err;
9ea1b878	345
0f113f3e	346	p = (unsigned char *)buf->data;
9ea1b878	347
0f113f3e	348	i2d_ASN1_TYPE(atyp, &p);
9ea1b878	349
0f113f3e MC	350	ASN1_TYPE_free(atyp);
0f113f3e MC	351	return len;
9ea1b878	352
0f113f3e MC	353	err:
	354	NCONF_free(cnf);
	355	ASN1_TYPE_free(atyp);
0f113f3e	356	return -1;
0f113f3e	357	}