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

/* a_strnid.c */
/*
 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
 * 1999.
 */
/* ====================================================================
 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

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

static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
static void st_free(ASN1_STRING_TABLE *tbl);
static int sk_table_cmp(const ASN1_STRING_TABLE *const *a,
                        const ASN1_STRING_TABLE *const *b);

/*
 * This is the global mask for the mbstring functions: this is use to mask
 * out certain types (such as BMPString and UTF8String) because certain
 * software (e.g. Netscape) has problems with them.
 */

static unsigned long global_mask = B_ASN1_UTF8STRING;

void ASN1_STRING_set_default_mask(unsigned long mask)
{
    global_mask = mask;
}

unsigned long ASN1_STRING_get_default_mask(void)
{
    return global_mask;
}

/*-
 * This function sets the default to various "flavours" of configuration.
 * based on an ASCII string. Currently this is:
 * MASK:XXXX : a numerical mask value.
 * nobmp : Don't use BMPStrings (just Printable, T61).
 * pkix : PKIX recommendation in RFC2459.
 * utf8only : only use UTF8Strings (RFC2459 recommendation for 2004).
 * default:   the default value, Printable, T61, BMP.
 */

int ASN1_STRING_set_default_mask_asc(const char *p)
{
    unsigned long mask;
    char *end;
    if (!strncmp(p, "MASK:", 5)) {
        if (!p[5])
            return 0;
        mask = strtoul(p + 5, &end, 0);
        if (*end)
            return 0;
    } else if (!strcmp(p, "nombstr"))
        mask = ~((unsigned long)(B_ASN1_BMPSTRING | B_ASN1_UTF8STRING));
    else if (!strcmp(p, "pkix"))
        mask = ~((unsigned long)B_ASN1_T61STRING);
    else if (!strcmp(p, "utf8only"))
        mask = B_ASN1_UTF8STRING;
    else if (!strcmp(p, "default"))
        mask = 0xFFFFFFFFL;
    else
        return 0;
    ASN1_STRING_set_default_mask(mask);
    return 1;
}

/*
 * The following function generates an ASN1_STRING based on limits in a
 * table. Frequently the types and length of an ASN1_STRING are restricted by
 * a corresponding OID. For example certificates and certificate requests.
 */

ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out,
                                    const unsigned char *in, int inlen,
                                    int inform, int nid)
{
    ASN1_STRING_TABLE *tbl;
    ASN1_STRING *str = NULL;
    unsigned long mask;
    int ret;
    if (!out)
        out = &str;
    tbl = ASN1_STRING_TABLE_get(nid);
    if (tbl) {
        mask = tbl->mask;
        if (!(tbl->flags & STABLE_NO_MASK))
            mask &= global_mask;
        ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask,
                                  tbl->minsize, tbl->maxsize);
    } else
        ret =
            ASN1_mbstring_copy(out, in, inlen, inform,
                               DIRSTRING_TYPE & global_mask);
    if (ret <= 0)
        return NULL;
    return *out;
}

/*
 * Now the tables and helper functions for the string table:
 */

/* size limits: this stuff is taken straight from RFC3280 */

#define ub_name                         32768
#define ub_common_name                  64
#define ub_locality_name                128
#define ub_state_name                   128
#define ub_organization_name            64
#define ub_organization_unit_name       64
#define ub_title                        64
#define ub_email_address                128
#define ub_serial_number                64

/* This table must be kept in NID order */

static const ASN1_STRING_TABLE tbl_standard[] = {
    {NID_commonName, 1, ub_common_name, DIRSTRING_TYPE, 0},
    {NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
    {NID_localityName, 1, ub_locality_name, DIRSTRING_TYPE, 0},
    {NID_stateOrProvinceName, 1, ub_state_name, DIRSTRING_TYPE, 0},
    {NID_organizationName, 1, ub_organization_name, DIRSTRING_TYPE, 0},
    {NID_organizationalUnitName, 1, ub_organization_unit_name, DIRSTRING_TYPE,
     0},
    {NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING,
     STABLE_NO_MASK},
    {NID_pkcs9_unstructuredName, 1, -1, PKCS9STRING_TYPE, 0},
    {NID_pkcs9_challengePassword, 1, -1, PKCS9STRING_TYPE, 0},
    {NID_pkcs9_unstructuredAddress, 1, -1, DIRSTRING_TYPE, 0},
    {NID_givenName, 1, ub_name, DIRSTRING_TYPE, 0},
    {NID_surname, 1, ub_name, DIRSTRING_TYPE, 0},
    {NID_initials, 1, ub_name, DIRSTRING_TYPE, 0},
    {NID_serialNumber, 1, ub_serial_number, B_ASN1_PRINTABLESTRING,
     STABLE_NO_MASK},
    {NID_friendlyName, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK},
    {NID_name, 1, ub_name, DIRSTRING_TYPE, 0},
    {NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
    {NID_domainComponent, 1, -1, B_ASN1_IA5STRING, STABLE_NO_MASK},
    {NID_ms_csp_name, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK}
};

static int sk_table_cmp(const ASN1_STRING_TABLE *const *a,
                        const ASN1_STRING_TABLE *const *b)
{
    return (*a)->nid - (*b)->nid;
}

DECLARE_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);

static int table_cmp(const ASN1_STRING_TABLE *a, const ASN1_STRING_TABLE *b)
{
    return a->nid - b->nid;
}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);

ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)
{
    int idx;
    ASN1_STRING_TABLE fnd;
    fnd.nid = nid;
    if (stable) {
        idx = sk_ASN1_STRING_TABLE_find(stable, &fnd);
        if (idx >= 0)
            return sk_ASN1_STRING_TABLE_value(stable, idx);
    }
    return OBJ_bsearch_table(&fnd, tbl_standard, OSSL_NELEM(tbl_standard));
}

/*
 * Return a string table pointer which can be modified: either directly from
 * table or a copy of an internal value added to the table.
 */

static ASN1_STRING_TABLE *stable_get(int nid)
{
    ASN1_STRING_TABLE *tmp, *rv;
    /* Always need a string table so allocate one if NULL */
    if (!stable) {
        stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp);
        if (!stable)
            return NULL;
    }
    tmp = ASN1_STRING_TABLE_get(nid);
    if (tmp && tmp->flags & STABLE_FLAGS_MALLOC)
        return tmp;
    rv = OPENSSL_malloc(sizeof(*rv));
    if (!rv)
        return NULL;
    if (!sk_ASN1_STRING_TABLE_push(stable, rv)) {
        OPENSSL_free(rv);
        return NULL;
    }
    if (tmp) {
        rv->nid = tmp->nid;
        rv->minsize = tmp->minsize;
        rv->maxsize = tmp->maxsize;
        rv->mask = tmp->mask;
        rv->flags = tmp->flags | STABLE_FLAGS_MALLOC;
    } else {
        rv->minsize = -1;
        rv->maxsize = -1;
        rv->mask = 0;
        rv->flags = STABLE_FLAGS_MALLOC;
    }
    return rv;
}

int ASN1_STRING_TABLE_add(int nid,
                          long minsize, long maxsize, unsigned long mask,
                          unsigned long flags)
{
    ASN1_STRING_TABLE *tmp;
    tmp = stable_get(nid);
    if (!tmp) {
        ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE);
        return 0;
    }
    if (minsize >= 0)
        tmp->minsize = minsize;
    if (maxsize >= 0)
        tmp->maxsize = maxsize;
    if (mask)
        tmp->mask = mask;
    if (flags)
        tmp->flags = STABLE_FLAGS_MALLOC | flags;
    return 1;
}

void ASN1_STRING_TABLE_cleanup(void)
{
    STACK_OF(ASN1_STRING_TABLE) *tmp;
    tmp = stable;
    if (!tmp)
        return;
    stable = NULL;
    sk_ASN1_STRING_TABLE_pop_free(tmp, st_free);
}

static void st_free(ASN1_STRING_TABLE *tbl)
{
    if (tbl->flags & STABLE_FLAGS_MALLOC)
        OPENSSL_free(tbl);
}


#ifdef STRING_TABLE_TEST

main()
{
    ASN1_STRING_TABLE *tmp;
    int i, last_nid = -1;

    for (tmp = tbl_standard, i = 0; i < OSSL_NELEM(tbl_standard); i++, tmp++) {
        if (tmp->nid < last_nid) {
            last_nid = 0;
            break;
        }
        last_nid = tmp->nid;
    }

    if (last_nid != 0) {
        printf("Table order OK\n");
        exit(0);
    }

    for (tmp = tbl_standard, i = 0; i < OSSL_NELEM(tbl_standard); i++, tmp++)
        printf("Index %d, NID %d, Name=%s\n", i, tmp->nid,
               OBJ_nid2ln(tmp->nid));

}

#endif
Commit	Line	Data
f769ce3e	1	/* a_strnid.c */
0f113f3e MC	2	/*
	3	* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
	4	* 1999.
f769ce3e DSH	5	*/
	6	/* ====================================================================
	7	* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
	8	*
	9	* Redistribution and use in source and binary forms, with or without
	10	* modification, are permitted provided that the following conditions
	11	* are met:
	12	*
	13	* 1. Redistributions of source code must retain the above copyright
0f113f3e	14	* notice, this list of conditions and the following disclaimer.
f769ce3e DSH	15	*
	16	* 2. Redistributions in binary form must reproduce the above copyright
	17	* notice, this list of conditions and the following disclaimer in
	18	* the documentation and/or other materials provided with the
	19	* distribution.
	20	*
	21	* 3. All advertising materials mentioning features or use of this
	22	* software must display the following acknowledgment:
	23	* "This product includes software developed by the OpenSSL Project
	24	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	25	*
	26	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	27	* endorse or promote products derived from this software without
	28	* prior written permission. For written permission, please contact
	29	* licensing@OpenSSL.org.
	30	*
	31	* 5. Products derived from this software may not be called "OpenSSL"
	32	* nor may "OpenSSL" appear in their names without prior written
	33	* permission of the OpenSSL Project.
	34	*
	35	* 6. Redistributions of any form whatsoever must retain the following
	36	* acknowledgment:
	37	* "This product includes software developed by the OpenSSL Project
	38	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	39	*
	40	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	41	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	42	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	43	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	44	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	45	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	46	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	47	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	49	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	50	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	51	* OF THE POSSIBILITY OF SUCH DAMAGE.
	52	* ====================================================================
	53	*
	54	* This product includes cryptographic software written by Eric Young
	55	* (eay@cryptsoft.com). This product includes software written by Tim
	56	* Hudson (tjh@cryptsoft.com).
	57	*
	58	*/
	59
	60	#include <stdio.h>
	61	#include <ctype.h>
	62	#include "cryptlib.h"
	63	#include <openssl/asn1.h>
	64	#include <openssl/objects.h>
	65
f769ce3e DSH	66	static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
f769ce3e DSH	67	static void st_free(ASN1_STRING_TABLE *tbl);
0f113f3e MC	68	static int sk_table_cmp(const ASN1_STRING_TABLE const a,
0f113f3e MC	69	const ASN1_STRING_TABLE const b);
b38f9f66	70
0f113f3e MC	71	/*
	72	* This is the global mask for the mbstring functions: this is use to mask
	73	* out certain types (such as BMPString and UTF8String) because certain
	74	* software (e.g. Netscape) has problems with them.
b38f9f66 DSH	75	*/
b38f9f66 DSH	76
3009244d	77	static unsigned long global_mask = B_ASN1_UTF8STRING;
b38f9f66 DSH	78
	79	void ASN1_STRING_set_default_mask(unsigned long mask)
	80	{
0f113f3e	81	global_mask = mask;
b38f9f66 DSH	82	}
	83
	84	unsigned long ASN1_STRING_get_default_mask(void)
	85	{
0f113f3e	86	return global_mask;
b38f9f66 DSH	87	}
b38f9f66 DSH	88
c80fd6b2 MC	89	/*-
c80fd6b2 MC	90	* This function sets the default to various "flavours" of configuration.
b38f9f66 DSH	91	* based on an ASCII string. Currently this is:
	92	* MASK:XXXX : a numerical mask value.
	93	* nobmp : Don't use BMPStrings (just Printable, T61).
	94	* pkix : PKIX recommendation in RFC2459.
	95	* utf8only : only use UTF8Strings (RFC2459 recommendation for 2004).
	96	* default: the default value, Printable, T61, BMP.
	97	*/
	98
7d05edd1	99	int ASN1_STRING_set_default_mask_asc(const char *p)
b38f9f66	100	{
0f113f3e MC	101	unsigned long mask;
	102	char *end;
	103	if (!strncmp(p, "MASK:", 5)) {
	104	if (!p[5])
	105	return 0;
	106	mask = strtoul(p + 5, &end, 0);
	107	if (*end)
	108	return 0;
	109	} else if (!strcmp(p, "nombstr"))
	110	mask = ~((unsigned long)(B_ASN1_BMPSTRING \| B_ASN1_UTF8STRING));
	111	else if (!strcmp(p, "pkix"))
	112	mask = ~((unsigned long)B_ASN1_T61STRING);
	113	else if (!strcmp(p, "utf8only"))
	114	mask = B_ASN1_UTF8STRING;
	115	else if (!strcmp(p, "default"))
	116	mask = 0xFFFFFFFFL;
	117	else
	118	return 0;
	119	ASN1_STRING_set_default_mask(mask);
	120	return 1;
b38f9f66 DSH	121	}
b38f9f66 DSH	122
0f113f3e MC	123	/*
	124	* The following function generates an ASN1_STRING based on limits in a
	125	* table. Frequently the types and length of an ASN1_STRING are restricted by
	126	* a corresponding OID. For example certificates and certificate requests.
f769ce3e DSH	127	*/
f769ce3e DSH	128
0f113f3e MC	129	ASN1_STRING ASN1_STRING_set_by_NID(ASN1_STRING *out,
	130	const unsigned char *in, int inlen,
	131	int inform, int nid)
f769ce3e	132	{
0f113f3e MC	133	ASN1_STRING_TABLE *tbl;
	134	ASN1_STRING *str = NULL;
	135	unsigned long mask;
	136	int ret;
	137	if (!out)
	138	out = &str;
	139	tbl = ASN1_STRING_TABLE_get(nid);
	140	if (tbl) {
	141	mask = tbl->mask;
	142	if (!(tbl->flags & STABLE_NO_MASK))
	143	mask &= global_mask;
	144	ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask,
	145	tbl->minsize, tbl->maxsize);
	146	} else
	147	ret =
	148	ASN1_mbstring_copy(out, in, inlen, inform,
	149	DIRSTRING_TYPE & global_mask);
	150	if (ret <= 0)
	151	return NULL;
	152	return *out;
f769ce3e DSH	153	}
f769ce3e DSH	154
0f113f3e MC	155	/*
0f113f3e MC	156	* Now the tables and helper functions for the string table:
f769ce3e DSH	157	*/
f769ce3e DSH	158
727ef76e	159	/* size limits: this stuff is taken straight from RFC3280 */
f769ce3e	160
0f113f3e MC	161	#define ub_name 32768
	162	#define ub_common_name 64
	163	#define ub_locality_name 128
	164	#define ub_state_name 128
	165	#define ub_organization_name 64
	166	#define ub_organization_unit_name 64
	167	#define ub_title 64
	168	#define ub_email_address 128
	169	#define ub_serial_number 64
f769ce3e	170
dd413410 DSH	171	/* This table must be kept in NID order */
dd413410 DSH	172
ebc06fba	173	static const ASN1_STRING_TABLE tbl_standard[] = {
0f113f3e MC	174	{NID_commonName, 1, ub_common_name, DIRSTRING_TYPE, 0},
	175	{NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
	176	{NID_localityName, 1, ub_locality_name, DIRSTRING_TYPE, 0},
	177	{NID_stateOrProvinceName, 1, ub_state_name, DIRSTRING_TYPE, 0},
	178	{NID_organizationName, 1, ub_organization_name, DIRSTRING_TYPE, 0},
	179	{NID_organizationalUnitName, 1, ub_organization_unit_name, DIRSTRING_TYPE,
	180	0},
	181	{NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING,
	182	STABLE_NO_MASK},
	183	{NID_pkcs9_unstructuredName, 1, -1, PKCS9STRING_TYPE, 0},
	184	{NID_pkcs9_challengePassword, 1, -1, PKCS9STRING_TYPE, 0},
	185	{NID_pkcs9_unstructuredAddress, 1, -1, DIRSTRING_TYPE, 0},
	186	{NID_givenName, 1, ub_name, DIRSTRING_TYPE, 0},
	187	{NID_surname, 1, ub_name, DIRSTRING_TYPE, 0},
	188	{NID_initials, 1, ub_name, DIRSTRING_TYPE, 0},
	189	{NID_serialNumber, 1, ub_serial_number, B_ASN1_PRINTABLESTRING,
	190	STABLE_NO_MASK},
	191	{NID_friendlyName, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK},
	192	{NID_name, 1, ub_name, DIRSTRING_TYPE, 0},
	193	{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
	194	{NID_domainComponent, 1, -1, B_ASN1_IA5STRING, STABLE_NO_MASK},
	195	{NID_ms_csp_name, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK}
f769ce3e DSH	196	};
f769ce3e DSH	197
0f113f3e MC	198	static int sk_table_cmp(const ASN1_STRING_TABLE const a,
0f113f3e MC	199	const ASN1_STRING_TABLE const b)
f769ce3e	200	{
0f113f3e	201	return (a)->nid - (b)->nid;
f769ce3e DSH	202	}
f769ce3e DSH	203
e19106f5	204	DECLARE_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);
babb3798 BL	205
babb3798 BL	206	static int table_cmp(const ASN1_STRING_TABLE a, const ASN1_STRING_TABLE b)
f769ce3e	207	{
0f113f3e	208	return a->nid - b->nid;
f769ce3e DSH	209	}
f769ce3e DSH	210
e19106f5	211	IMPLEMENT_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);
babb3798	212
f769ce3e	213	ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)
0f113f3e MC	214	{
	215	int idx;
	216	ASN1_STRING_TABLE fnd;
	217	fnd.nid = nid;
	218	if (stable) {
	219	idx = sk_ASN1_STRING_TABLE_find(stable, &fnd);
	220	if (idx >= 0)
	221	return sk_ASN1_STRING_TABLE_value(stable, idx);
	222	}
b6eb9827	223	return OBJ_bsearch_table(&fnd, tbl_standard, OSSL_NELEM(tbl_standard));
0f113f3e MC	224	}
	225
	226	/*
	227	* Return a string table pointer which can be modified: either directly from
	228	* table or a copy of an internal value added to the table.
d35c0ff3 DSH	229	*/
	230
	231	static ASN1_STRING_TABLE *stable_get(int nid)
0f113f3e MC	232	{
	233	ASN1_STRING_TABLE tmp, rv;
	234	/* Always need a string table so allocate one if NULL */
	235	if (!stable) {
	236	stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp);
	237	if (!stable)
	238	return NULL;
	239	}
	240	tmp = ASN1_STRING_TABLE_get(nid);
	241	if (tmp && tmp->flags & STABLE_FLAGS_MALLOC)
	242	return tmp;
b4faea50	243	rv = OPENSSL_malloc(sizeof(*rv));
0f113f3e MC	244	if (!rv)
	245	return NULL;
	246	if (!sk_ASN1_STRING_TABLE_push(stable, rv)) {
	247	OPENSSL_free(rv);
	248	return NULL;
	249	}
	250	if (tmp) {
	251	rv->nid = tmp->nid;
	252	rv->minsize = tmp->minsize;
	253	rv->maxsize = tmp->maxsize;
	254	rv->mask = tmp->mask;
	255	rv->flags = tmp->flags \| STABLE_FLAGS_MALLOC;
	256	} else {
	257	rv->minsize = -1;
	258	rv->maxsize = -1;
	259	rv->mask = 0;
	260	rv->flags = STABLE_FLAGS_MALLOC;
	261	}
	262	return rv;
	263	}
d35c0ff3	264
f769ce3e	265	int ASN1_STRING_TABLE_add(int nid,
0f113f3e MC	266	long minsize, long maxsize, unsigned long mask,
	267	unsigned long flags)
	268	{
	269	ASN1_STRING_TABLE *tmp;
	270	tmp = stable_get(nid);
	271	if (!tmp) {
	272	ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE);
	273	return 0;
	274	}
	275	if (minsize >= 0)
	276	tmp->minsize = minsize;
	277	if (maxsize >= 0)
	278	tmp->maxsize = maxsize;
	279	if (mask)
	280	tmp->mask = mask;
	281	if (flags)
	282	tmp->flags = STABLE_FLAGS_MALLOC \| flags;
	283	return 1;
	284	}
f769ce3e DSH	285
	286	void ASN1_STRING_TABLE_cleanup(void)
	287	{
0f113f3e MC	288	STACK_OF(ASN1_STRING_TABLE) *tmp;
	289	tmp = stable;
	290	if (!tmp)
	291	return;
	292	stable = NULL;
	293	sk_ASN1_STRING_TABLE_pop_free(tmp, st_free);
f769ce3e DSH	294	}
	295
	296	static void st_free(ASN1_STRING_TABLE *tbl)
	297	{
0f113f3e MC	298	if (tbl->flags & STABLE_FLAGS_MALLOC)
0f113f3e MC	299	OPENSSL_free(tbl);
f769ce3e DSH	300	}
f769ce3e DSH	301
e6539fe2	302
e6539fe2 DSH	303	#ifdef STRING_TABLE_TEST
	304
	305	main()
	306	{
0f113f3e MC	307	ASN1_STRING_TABLE *tmp;
	308	int i, last_nid = -1;
	309
b6eb9827	310	for (tmp = tbl_standard, i = 0; i < OSSL_NELEM(tbl_standard); i++, tmp++) {
0f113f3e MC	311	if (tmp->nid < last_nid) {
	312	last_nid = 0;
	313	break;
	314	}
	315	last_nid = tmp->nid;
	316	}
	317
	318	if (last_nid != 0) {
	319	printf("Table order OK\n");
	320	exit(0);
	321	}
	322
b6eb9827	323	for (tmp = tbl_standard, i = 0; i < OSSL_NELEM(tbl_standard); i++, tmp++)
0f113f3e MC	324	printf("Index %d, NID %d, Name=%s\n", i, tmp->nid,
0f113f3e MC	325	OBJ_nid2ln(tmp->nid));
e6539fe2 DSH	326
	327	}
	328
	329	#endif