crypto/asn1/a_strnid.c - boringssl.git - Git at Google

 /* 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 <openssl/asn1.h>

 #include <stdlib.h>             /* For bsearch */
 #include <string.h>

 #include <openssl/err.h>
 #include <openssl/mem.h>
 #include <openssl/obj.h>
 #include <openssl/stack.h>

 #include "../internal.h"
 #include "internal.h"


 DEFINE_STACK_OF(ASN1_STRING_TABLE)

 static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
 static void st_free(ASN1_STRING_TABLE *tbl);

 void ASN1_STRING_set_default_mask(unsigned long mask)
 {
 }

 unsigned long ASN1_STRING_get_default_mask(void)
 {
     return B_ASN1_UTF8STRING;
 }

 int ASN1_STRING_set_default_mask_asc(const char *p)
 {
     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 &= B_ASN1_UTF8STRING;
         ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask,
                                   tbl->minsize, tbl->maxsize);
     } else {
         ret = ASN1_mbstring_copy(out, in, inlen, inform, B_ASN1_UTF8STRING);
     }
     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 RFC 3280 */

 #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 **a,
                         const ASN1_STRING_TABLE **b)
 {
     return (*a)->nid - (*b)->nid;
 }

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

 ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)
 {
     int found;
     size_t idx;
     ASN1_STRING_TABLE *ttmp;
     ASN1_STRING_TABLE fnd;
     fnd.nid = nid;

     ttmp =
         bsearch(&fnd, tbl_standard,
                 sizeof(tbl_standard) / sizeof(ASN1_STRING_TABLE),
                 sizeof(ASN1_STRING_TABLE), table_cmp);
     if (ttmp)
         return ttmp;
     if (!stable)
         return NULL;
     sk_ASN1_STRING_TABLE_sort(stable);
     found = sk_ASN1_STRING_TABLE_find(stable, &idx, &fnd);
     if (!found)
         return NULL;
     return sk_ASN1_STRING_TABLE_value(stable, idx);
 }

 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) {
         OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
         return 0;
     }
     if (!(tmp = ASN1_STRING_TABLE_get(nid))) {
         tmp = OPENSSL_malloc(sizeof(ASN1_STRING_TABLE));
         if (!tmp) {
             OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
             return 0;
         }
         tmp->flags = flags | STABLE_FLAGS_MALLOC;
         tmp->nid = nid;
         tmp->minsize = tmp->maxsize = -1;
         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;
 }

 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);
 }

 void asn1_get_string_table_for_testing(const ASN1_STRING_TABLE **out_ptr,
                                        size_t *out_len) {
     *out_ptr = tbl_standard;
     *out_len = OPENSSL_ARRAY_SIZE(tbl_standard);
 }
	/* 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 <openssl/asn1.h>

	#include <stdlib.h> /* For bsearch */
	#include <string.h>

	#include <openssl/err.h>
	#include <openssl/mem.h>
	#include <openssl/obj.h>
	#include <openssl/stack.h>

	#include "../internal.h"
	#include "internal.h"


	DEFINE_STACK_OF(ASN1_STRING_TABLE)

	static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
	static void st_free(ASN1_STRING_TABLE *tbl);

	void ASN1_STRING_set_default_mask(unsigned long mask)
	{
	}

	unsigned long ASN1_STRING_get_default_mask(void)
	{
	return B_ASN1_UTF8STRING;
	}

	int ASN1_STRING_set_default_mask_asc(const char *p)
	{
	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 &= B_ASN1_UTF8STRING;
	ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask,
	tbl->minsize, tbl->maxsize);
	} else {
	ret = ASN1_mbstring_copy(out, in, inlen, inform, B_ASN1_UTF8STRING);
	}
	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 RFC 3280 */

	#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 **a,
	const ASN1_STRING_TABLE **b)
	{
	return (a)->nid - (b)->nid;
	}

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

	ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)
	{
	int found;
	size_t idx;
	ASN1_STRING_TABLE *ttmp;
	ASN1_STRING_TABLE fnd;
	fnd.nid = nid;

	ttmp =
	bsearch(&fnd, tbl_standard,
	sizeof(tbl_standard) / sizeof(ASN1_STRING_TABLE),
	sizeof(ASN1_STRING_TABLE), table_cmp);
	if (ttmp)
	return ttmp;
	if (!stable)
	return NULL;
	sk_ASN1_STRING_TABLE_sort(stable);
	found = sk_ASN1_STRING_TABLE_find(stable, &idx, &fnd);
	if (!found)
	return NULL;
	return sk_ASN1_STRING_TABLE_value(stable, idx);
	}

	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) {
	OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
	return 0;
	}
	if (!(tmp = ASN1_STRING_TABLE_get(nid))) {
	tmp = OPENSSL_malloc(sizeof(ASN1_STRING_TABLE));
	if (!tmp) {
	OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
	return 0;
	}
	tmp->flags = flags \| STABLE_FLAGS_MALLOC;
	tmp->nid = nid;
	tmp->minsize = tmp->maxsize = -1;
	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;
	}

	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);
	}

	void asn1_get_string_table_for_testing(const ASN1_STRING_TABLE **out_ptr,
	size_t *out_len) {
	*out_ptr = tbl_standard;
	*out_len = OPENSSL_ARRAY_SIZE(tbl_standard);
	}