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201 lines
6.5 KiB
C
201 lines
6.5 KiB
C
/* a_strnid.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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* project 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(ASN1_STRING_TABLE **a, ASN1_STRING_TABLE **b);
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/* The following function generates an ASN1_STRING based on limits in a table.
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* Frequently the types and length of an ASN1_STRING are restricted by a
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* 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, const unsigned char *in,
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int inlen, 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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int ret;
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if(!out) out = &str;
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if(!stable) ASN1_STRING_TABLE_add_standard();
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tbl = ASN1_STRING_TABLE_get(nid);
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if(tbl) ret = ASN1_mbstring_ncopy(out, in, inlen, inform, tbl->mask,
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tbl->minsize, tbl->maxsize);
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else ret = ASN1_mbstring_copy(out, in, inlen, inform, 0);
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if(ret <= 0) return NULL;
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return str;
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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 RFC2459 */
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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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static ASN1_STRING_TABLE tbl_standard[] = {
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{NID_name, 1, ub_name, 0, 0},
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{NID_surname, 1, ub_name, 0, 0},
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{NID_givenName, 1, ub_name, 0, 0},
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{NID_initials, 1, ub_name, 0, 0},
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{NID_commonName, 1, ub_common_name, 0, 0},
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{NID_localityName, 1, ub_locality_name, 0, 0},
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{NID_stateOrProvinceName, 1, ub_state_name, 0, 0},
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{NID_organizationName, 1, ub_organization_name, 0, 0},
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{NID_organizationalUnitName, 1, ub_organization_unit_name, 0, 0},
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{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, 0},
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{NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, 0},
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{NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING, 0},
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{NID_undef, 0, 0, 0, 0}
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};
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int ASN1_STRING_TABLE_add_standard(void)
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{
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static int done = 0;
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ASN1_STRING_TABLE *tmp;
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if(done) return 1;
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if(!stable) 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_STANDARD,
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ERR_R_MALLOC_FAILURE);
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return 0;
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}
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for(tmp = tbl_standard; tmp->nid != NID_undef; tmp++) {
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if(!sk_ASN1_STRING_TABLE_push(stable, tmp)) {
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ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD_STANDARD,
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ERR_R_MALLOC_FAILURE);
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return 0;
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}
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}
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return 1;
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}
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static int sk_table_cmp(ASN1_STRING_TABLE **a, 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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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 fnd;
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fnd.nid = nid;
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idx = sk_ASN1_STRING_TABLE_find(stable, &fnd);
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if(idx < 0) 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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if(!stable) 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 = Malloc(sizeof(ASN1_STRING_TABLE));
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if(!tmp) {
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ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD,
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ERR_R_MALLOC_FAILURE);
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return 0;
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}
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tmp->flags = STABLE_FLAGS_MALLOC;
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tmp->nid = nid;
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new_nid = 1;
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}
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if(minsize != -1) tmp->minsize = minsize;
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if(maxsize != -1) tmp->maxsize = maxsize;
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tmp->mask = mask;
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tmp->flags = flags & ~STABLE_FLAGS_MALLOC;
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if(new_nid) 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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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) Free(tbl);
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}
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IMPLEMENT_STACK_OF(ASN1_STRING_TABLE)
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