293 lines
9.2 KiB
C
293 lines
9.2 KiB
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 <stdlib.h>
|
|
#include <ctype.h>
|
|
#include "cryptlib.h"
|
|
#include <openssl/asn1.h>
|
|
#include <openssl/objects.h>
|
|
#include "../../e_os.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 = 0xFFFFFFFFL;
|
|
|
|
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(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 *ttmp;
|
|
ASN1_STRING_TABLE fnd;
|
|
fnd.nid = nid;
|
|
ttmp = OBJ_bsearch_table(&fnd, tbl_standard,
|
|
sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE));
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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
|