/* 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 #include #include "cryptlib.h" #include #include static STACK_OF(ASN1_STRING_TABLE) *stable = NULL; static void st_free(ASN1_STRING_TABLE *tbl); static int sk_table_cmp(ASN1_STRING_TABLE **a, ASN1_STRING_TABLE **b); /* 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; int ret; if(!out) out = &str; if(!stable) ASN1_STRING_TABLE_add_standard(); tbl = ASN1_STRING_TABLE_get(nid); if(tbl) ret = ASN1_mbstring_ncopy(out, in, inlen, inform, tbl->mask, tbl->minsize, tbl->maxsize); else ret = ASN1_mbstring_copy(out, in, inlen, inform, 0); if(ret <= 0) return NULL; return str; } /* Now the tables and helper functions for the string table: */ /* size limits: this stuff is taken straight from RFC2459 */ #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 static ASN1_STRING_TABLE tbl_standard[] = { {NID_name, 1, ub_name, 0, 0}, {NID_surname, 1, ub_name, 0, 0}, {NID_givenName, 1, ub_name, 0, 0}, {NID_initials, 1, ub_name, 0, 0}, {NID_commonName, 1, ub_common_name, 0, 0}, {NID_localityName, 1, ub_locality_name, 0, 0}, {NID_stateOrProvinceName, 1, ub_state_name, 0, 0}, {NID_organizationName, 1, ub_organization_name, 0, 0}, {NID_organizationalUnitName, 1, ub_organization_unit_name, 0, 0}, {NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, 0}, {NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, 0}, {NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING, 0}, {NID_undef, 0, 0, 0, 0} }; int ASN1_STRING_TABLE_add_standard(void) { static int done = 0; ASN1_STRING_TABLE *tmp; if(done) return 1; if(!stable) stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp); if(!stable) { ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD_STANDARD, ERR_R_MALLOC_FAILURE); return 0; } for(tmp = tbl_standard; tmp->nid != NID_undef; tmp++) { if(!sk_ASN1_STRING_TABLE_push(stable, tmp)) { ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD_STANDARD, ERR_R_MALLOC_FAILURE); return 0; } } return 1; } static int sk_table_cmp(ASN1_STRING_TABLE **a, ASN1_STRING_TABLE **b) { return (*a)->nid - (*b)->nid; } ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid) { int idx; ASN1_STRING_TABLE fnd; fnd.nid = nid; 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; 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 = Malloc(sizeof(ASN1_STRING_TABLE)); if(!tmp) { ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE); return 0; } tmp->flags = STABLE_FLAGS_MALLOC; tmp->nid = nid; new_nid = 1; } if(minsize != -1) tmp->minsize = minsize; if(maxsize != -1) tmp->maxsize = maxsize; tmp->mask = mask; tmp->flags = flags & ~STABLE_FLAGS_MALLOC; 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; 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) Free(tbl); } IMPLEMENT_STACK_OF(ASN1_STRING_TABLE)