/* a_strnid.c */

 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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).

  *

  */

  /*

  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

  */

 #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))

 #include "libcrypto_wsd.h"

 #include "libcrypto_wsd_macros.h"

 #endif

 #include <stdio.h>

 #include <ctype.h>

 #include "cryptlib.h"

 #include <openssl/asn1.h>

 #include <openssl/objects.h>

 #ifndef EMULATOR

 static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;

 #else //EMULATOR

 GET_STATIC_VAR_FROM_TLS(stable,a_strnid,STACK_OF(ASN1_STRING_TABLE)*)

 #define stable (*GET_WSD_VAR_NAME(stable,a_strnid, s)())

 #endif //EMULATOR

 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);

 static int table_cmp(const void *a, const void *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.

  */

 #ifndef EMULATOR

 static unsigned long global_mask = 0xFFFFFFFFL;

 #else

 GET_STATIC_VAR_FROM_TLS(global_mask,a_strnid, unsigned long)

 #define global_mask (*GET_WSD_VAR_NAME(global_mask,a_strnid, s)())

 #endif

 EXPORT_C void ASN1_STRING_set_default_mask(unsigned long mask)

 {

 	global_mask = mask;

 }

 EXPORT_C 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.

  */

 EXPORT_C int ASN1_STRING_set_default_mask_asc(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.

  */

 EXPORT_C 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 */

 #ifndef EMULATOR

 static 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}

 };

 #else  //EMULATOR

 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}

 };

 #endif //EMULATOR

 static int sk_table_cmp(const ASN1_STRING_TABLE * const *a,

 			const ASN1_STRING_TABLE * const *b)

 {

 	return (*a)->nid - (*b)->nid;

 }

 static int table_cmp(const void *a, const void *b)

 {

 	const ASN1_STRING_TABLE *sa = a, *sb = b;

 	return sa->nid - sb->nid;

 }

 EXPORT_C ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)

 {

 	int idx;

 	ASN1_STRING_TABLE *ttmp;

 	ASN1_STRING_TABLE fnd;

 	fnd.nid = nid;

 	ttmp = (ASN1_STRING_TABLE *) OBJ_bsearch((char *)&fnd,

 					(char *)tbl_standard, 

 			sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE),

 			sizeof(ASN1_STRING_TABLE), table_cmp);

 	if(ttmp) return ttmp;

 	if(!stable) return NULL;

 	idx = sk_ASN1_STRING_TABLE_find(stable, &fnd);

 	if(idx < 0) return NULL;

 	return sk_ASN1_STRING_TABLE_value(stable, idx);

 }

 EXPORT_C int ASN1_STRING_TABLE_add(int nid,

 		 long minsize, long maxsize, unsigned long mask,

 				unsigned long flags)

 {

 	ASN1_STRING_TABLE *tmp;

 	char new_nid = 0;

 	flags &= ~STABLE_FLAGS_MALLOC;

 	if(!stable) stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp);

 	if(!stable) {

 		ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE);

 		return 0;

 	}

 	if(!(tmp = ASN1_STRING_TABLE_get(nid))) {

 		tmp = OPENSSL_malloc(sizeof(ASN1_STRING_TABLE));

 		if(!tmp) {

 			ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD,

 							ERR_R_MALLOC_FAILURE);

 			return 0;

 		}

 		tmp->flags = flags | STABLE_FLAGS_MALLOC;

 		tmp->nid = nid;

 		new_nid = 1;

 	} else tmp->flags = (tmp->flags & STABLE_FLAGS_MALLOC) | flags;

 	if(minsize != -1) tmp->minsize = minsize;

 	if(maxsize != -1) tmp->maxsize = maxsize;

 	tmp->mask = mask;

 	if(new_nid) sk_ASN1_STRING_TABLE_push(stable, tmp);

 	return 1;

 }

 EXPORT_C 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);

 }

 IMPLEMENT_STACK_OF(ASN1_STRING_TABLE)

 #ifdef STRING_TABLE_TEST

 main()

 {

 	ASN1_STRING_TABLE *tmp;

 	int i, last_nid = -1;

 	for (tmp = tbl_standard, i = 0;

 		i < sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE); 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 < sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE); i++, tmp++)

 			printf("Index %d, NID %d, Name=%s\n", i, tmp->nid,

 							OBJ_nid2ln(tmp->nid));

 }

 #endif