a_strnid.c
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- /* 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).
- *
- */
- #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);
- 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.
- */
- 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 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;
- }
- static int table_cmp(const void *a, const void *b)
- {
- const ASN1_STRING_TABLE *sa = a, *sb = b;
- return sa->nid - sb->nid;
- }
- 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);
- }
-
- 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 OKn");
- exit(0);
- }
- for (tmp = tbl_standard, i = 0;
- i < sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE); i++, tmp++)
- printf("Index %d, NID %d, Name=%sn", i, tmp->nid,
- OBJ_nid2ln(tmp->nid));
- }
- #endif