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313 lines
10 KiB
313 lines
10 KiB
/* a_strnid.c */ |
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/* |
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
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* 1999. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include <ctype.h> |
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#include "cryptlib.h" |
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#include <openssl/asn1.h> |
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#include <openssl/objects.h> |
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static STACK_OF(ASN1_STRING_TABLE) *stable = NULL; |
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static void st_free(ASN1_STRING_TABLE *tbl); |
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static int sk_table_cmp(const ASN1_STRING_TABLE *const *a, |
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const ASN1_STRING_TABLE *const *b); |
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/* |
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* This is the global mask for the mbstring functions: this is use to mask |
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* out certain types (such as BMPString and UTF8String) because certain |
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* software (e.g. Netscape) has problems with them. |
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*/ |
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static unsigned long global_mask = B_ASN1_UTF8STRING; |
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void ASN1_STRING_set_default_mask(unsigned long mask) |
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{ |
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global_mask = mask; |
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} |
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unsigned long ASN1_STRING_get_default_mask(void) |
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{ |
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return global_mask; |
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} |
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/*- |
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* This function sets the default to various "flavours" of configuration. |
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* based on an ASCII string. Currently this is: |
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* MASK:XXXX : a numerical mask value. |
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* nobmp : Don't use BMPStrings (just Printable, T61). |
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* pkix : PKIX recommendation in RFC2459. |
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* utf8only : only use UTF8Strings (RFC2459 recommendation for 2004). |
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* default: the default value, Printable, T61, BMP. |
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*/ |
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int ASN1_STRING_set_default_mask_asc(const char *p) |
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{ |
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unsigned long mask; |
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char *end; |
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if (!strncmp(p, "MASK:", 5)) { |
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if (!p[5]) |
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return 0; |
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mask = strtoul(p + 5, &end, 0); |
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if (*end) |
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return 0; |
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} else if (!strcmp(p, "nombstr")) |
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mask = ~((unsigned long)(B_ASN1_BMPSTRING | B_ASN1_UTF8STRING)); |
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else if (!strcmp(p, "pkix")) |
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mask = ~((unsigned long)B_ASN1_T61STRING); |
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else if (!strcmp(p, "utf8only")) |
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mask = B_ASN1_UTF8STRING; |
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else if (!strcmp(p, "default")) |
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mask = 0xFFFFFFFFL; |
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else |
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return 0; |
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ASN1_STRING_set_default_mask(mask); |
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return 1; |
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} |
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/* |
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* The following function generates an ASN1_STRING based on limits in a |
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* table. Frequently the types and length of an ASN1_STRING are restricted by |
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* a corresponding OID. For example certificates and certificate requests. |
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*/ |
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ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out, |
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const unsigned char *in, int inlen, |
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int inform, int nid) |
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{ |
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ASN1_STRING_TABLE *tbl; |
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ASN1_STRING *str = NULL; |
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unsigned long mask; |
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int ret; |
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if (!out) |
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out = &str; |
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tbl = ASN1_STRING_TABLE_get(nid); |
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if (tbl) { |
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mask = tbl->mask; |
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if (!(tbl->flags & STABLE_NO_MASK)) |
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mask &= global_mask; |
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ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask, |
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tbl->minsize, tbl->maxsize); |
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} else |
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ret = |
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ASN1_mbstring_copy(out, in, inlen, inform, |
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DIRSTRING_TYPE & global_mask); |
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if (ret <= 0) |
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return NULL; |
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return *out; |
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} |
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/* |
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* Now the tables and helper functions for the string table: |
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*/ |
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/* size limits: this stuff is taken straight from RFC3280 */ |
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#define ub_name 32768 |
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#define ub_common_name 64 |
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#define ub_locality_name 128 |
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#define ub_state_name 128 |
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#define ub_organization_name 64 |
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#define ub_organization_unit_name 64 |
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#define ub_title 64 |
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#define ub_email_address 128 |
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#define ub_serial_number 64 |
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/* This table must be kept in NID order */ |
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static const ASN1_STRING_TABLE tbl_standard[] = { |
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{NID_commonName, 1, ub_common_name, DIRSTRING_TYPE, 0}, |
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{NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK}, |
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{NID_localityName, 1, ub_locality_name, DIRSTRING_TYPE, 0}, |
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{NID_stateOrProvinceName, 1, ub_state_name, DIRSTRING_TYPE, 0}, |
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{NID_organizationName, 1, ub_organization_name, DIRSTRING_TYPE, 0}, |
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{NID_organizationalUnitName, 1, ub_organization_unit_name, DIRSTRING_TYPE, |
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0}, |
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{NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING, |
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STABLE_NO_MASK}, |
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{NID_pkcs9_unstructuredName, 1, -1, PKCS9STRING_TYPE, 0}, |
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{NID_pkcs9_challengePassword, 1, -1, PKCS9STRING_TYPE, 0}, |
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{NID_pkcs9_unstructuredAddress, 1, -1, DIRSTRING_TYPE, 0}, |
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{NID_givenName, 1, ub_name, DIRSTRING_TYPE, 0}, |
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{NID_surname, 1, ub_name, DIRSTRING_TYPE, 0}, |
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{NID_initials, 1, ub_name, DIRSTRING_TYPE, 0}, |
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{NID_serialNumber, 1, ub_serial_number, B_ASN1_PRINTABLESTRING, |
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STABLE_NO_MASK}, |
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{NID_friendlyName, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK}, |
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{NID_name, 1, ub_name, DIRSTRING_TYPE, 0}, |
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{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK}, |
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{NID_domainComponent, 1, -1, B_ASN1_IA5STRING, STABLE_NO_MASK}, |
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{NID_ms_csp_name, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK} |
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}; |
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static int sk_table_cmp(const ASN1_STRING_TABLE *const *a, |
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const ASN1_STRING_TABLE *const *b) |
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{ |
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return (*a)->nid - (*b)->nid; |
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} |
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DECLARE_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table); |
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static int table_cmp(const ASN1_STRING_TABLE *a, const ASN1_STRING_TABLE *b) |
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{ |
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return a->nid - b->nid; |
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} |
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table); |
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ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid) |
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{ |
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int idx; |
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ASN1_STRING_TABLE *ttmp; |
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ASN1_STRING_TABLE fnd; |
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fnd.nid = nid; |
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ttmp = OBJ_bsearch_table(&fnd, tbl_standard, |
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sizeof(tbl_standard) / |
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sizeof(ASN1_STRING_TABLE)); |
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if (ttmp) |
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return ttmp; |
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if (!stable) |
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return NULL; |
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idx = sk_ASN1_STRING_TABLE_find(stable, &fnd); |
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if (idx < 0) |
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return NULL; |
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return sk_ASN1_STRING_TABLE_value(stable, idx); |
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} |
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int ASN1_STRING_TABLE_add(int nid, |
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long minsize, long maxsize, unsigned long mask, |
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unsigned long flags) |
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{ |
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ASN1_STRING_TABLE *tmp; |
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char new_nid = 0; |
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flags &= ~STABLE_FLAGS_MALLOC; |
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if (!stable) |
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stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp); |
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if (!stable) { |
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ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE); |
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return 0; |
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} |
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if (!(tmp = ASN1_STRING_TABLE_get(nid))) { |
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tmp = OPENSSL_malloc(sizeof(ASN1_STRING_TABLE)); |
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if (!tmp) { |
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ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE); |
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return 0; |
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} |
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tmp->flags = flags | STABLE_FLAGS_MALLOC; |
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tmp->nid = nid; |
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new_nid = 1; |
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} else |
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tmp->flags = (tmp->flags & STABLE_FLAGS_MALLOC) | flags; |
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if (minsize != -1) |
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tmp->minsize = minsize; |
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if (maxsize != -1) |
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tmp->maxsize = maxsize; |
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tmp->mask = mask; |
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if (new_nid) |
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sk_ASN1_STRING_TABLE_push(stable, tmp); |
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return 1; |
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} |
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void ASN1_STRING_TABLE_cleanup(void) |
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{ |
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STACK_OF(ASN1_STRING_TABLE) *tmp; |
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tmp = stable; |
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if (!tmp) |
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return; |
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stable = NULL; |
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sk_ASN1_STRING_TABLE_pop_free(tmp, st_free); |
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} |
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static void st_free(ASN1_STRING_TABLE *tbl) |
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{ |
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if (tbl->flags & STABLE_FLAGS_MALLOC) |
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OPENSSL_free(tbl); |
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} |
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IMPLEMENT_STACK_OF(ASN1_STRING_TABLE) |
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#ifdef STRING_TABLE_TEST |
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main() |
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{ |
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ASN1_STRING_TABLE *tmp; |
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int i, last_nid = -1; |
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for (tmp = tbl_standard, i = 0; |
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i < sizeof(tbl_standard) / sizeof(ASN1_STRING_TABLE); i++, tmp++) { |
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if (tmp->nid < last_nid) { |
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last_nid = 0; |
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break; |
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} |
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last_nid = tmp->nid; |
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} |
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if (last_nid != 0) { |
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printf("Table order OK\n"); |
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exit(0); |
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} |
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for (tmp = tbl_standard, i = 0; |
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i < sizeof(tbl_standard) / sizeof(ASN1_STRING_TABLE); i++, tmp++) |
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printf("Index %d, NID %d, Name=%s\n", i, tmp->nid, |
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OBJ_nid2ln(tmp->nid)); |
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} |
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#endif
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