195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * All rights reserved. 395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This package is an SSL implementation written 595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * by Eric Young (eay@cryptsoft.com). 695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The implementation was written so as to conform with Netscapes SSL. 795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This library is free for commercial and non-commercial use as long as 995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the following conditions are aheared to. The following conditions 1095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * apply to all code found in this distribution, be it the RC4, RSA, 1195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * included with this distribution is covered by the same copyright terms 1395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 1595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Copyright remains Eric Young's, and as such any Copyright notices in 1695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the code are not to be removed. 1795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * If this package is used in a product, Eric Young should be given attribution 1895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * as the author of the parts of the library used. 1995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This can be in the form of a textual message at program startup or 2095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * in documentation (online or textual) provided with the package. 2195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 2295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Redistribution and use in source and binary forms, with or without 2395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * modification, are permitted provided that the following conditions 2495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * are met: 2595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 1. Redistributions of source code must retain the copyright 2695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * notice, this list of conditions and the following disclaimer. 2795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 2. Redistributions in binary form must reproduce the above copyright 2895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * notice, this list of conditions and the following disclaimer in the 2995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * documentation and/or other materials provided with the distribution. 3095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 3. All advertising materials mentioning features or use of this software 3195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * must display the following acknowledgement: 3295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * "This product includes cryptographic software written by 3395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Eric Young (eay@cryptsoft.com)" 3495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The word 'cryptographic' can be left out if the rouines from the library 3595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * being used are not cryptographic related :-). 3695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 4. If you include any Windows specific code (or a derivative thereof) from 3795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the apps directory (application code) you must include an acknowledgement: 3895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 3995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 4095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 4995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * SUCH DAMAGE. 5195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 5295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The licence and distribution terms for any publically available version or 5395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * derivative of this code cannot be changed. i.e. this code cannot simply be 5495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * copied and put under another distribution licence 5595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * [including the GNU Public Licence.] */ 5695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 5795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1.h> 5895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 5995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1t.h> 6095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/err.h> 6195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/mem.h> 6295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/obj.h> 6395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, 6695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int combine); 6795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it); 6895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); 6995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it); 7095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7195c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it) 7295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 7395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_VALUE *ret = NULL; 7495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ASN1_item_ex_new(&ret, it) > 0) 7595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 7695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return NULL; 7795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 7895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Allocate an ASN1 structure */ 8095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it) 8295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 8395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return asn1_item_ex_combine_new(pval, it, 0); 8495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 8595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, 8795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int combine) 8895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 8995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_TEMPLATE *tt = NULL; 9095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_COMPAT_FUNCS *cf; 9195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_EXTERN_FUNCS *ef; 9295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_AUX *aux = it->funcs; 9395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_aux_cb *asn1_cb; 9495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_VALUE **pseqval; 9595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int i; 9695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (aux && aux->asn1_cb) 9795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_cb = aux->asn1_cb; 9895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 9995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_cb = 0; 10095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!combine) *pval = NULL; 10295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 10495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->sname) 10595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_push_info(it->sname); 10695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 10795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley switch(it->itype) 10995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 11095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 11195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_EXTERN: 11295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ef = it->funcs; 11395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ef && ef->asn1_ex_new) 11495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 11595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!ef->asn1_ex_new(pval, it)) 11695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 11795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 11895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 11995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 12095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_COMPAT: 12195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley cf = it->funcs; 12295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (cf && cf->asn1_new) { 12395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = cf->asn1_new(); 12495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!*pval) 12595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 12695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 12795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 12895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 12995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_PRIMITIVE: 13095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->templates) 13195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 13295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!ASN1_template_new(pval, it->templates)) 13395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 13495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 13595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else if (!ASN1_primitive_new(pval, it)) 13695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 13795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 13895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_MSTRING: 14095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!ASN1_primitive_new(pval, it)) 14195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 14295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 14395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 14495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_CHOICE: 14595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (asn1_cb) 14695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 14795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley i = asn1_cb(ASN1_OP_NEW_PRE, pval, it, NULL); 14895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!i) 14995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto auxerr; 15095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (i==2) 15195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 15295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 15395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->sname) 15495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_pop_info(); 15595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 15695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 15795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 15895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 15995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!combine) 16095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 16195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = OPENSSL_malloc(it->size); 16295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!*pval) 16395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 16495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memset(*pval, 0, it->size); 16595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 16695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_set_choice_selector(pval, -1, it); 16795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL)) 16895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto auxerr; 16995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 17095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 17195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_NDEF_SEQUENCE: 17295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_SEQUENCE: 17395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (asn1_cb) 17495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 17595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley i = asn1_cb(ASN1_OP_NEW_PRE, pval, it, NULL); 17695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!i) 17795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto auxerr; 17895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (i==2) 17995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 18095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 18195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->sname) 18295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_pop_info(); 18395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 18495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 18595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 18695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 18795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!combine) 18895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 18995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = OPENSSL_malloc(it->size); 19095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!*pval) 19195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 19295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memset(*pval, 0, it->size); 19395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_do_lock(pval, 0, it); 19495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_enc_init(pval, it); 19595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 19695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) 19795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 19895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pseqval = asn1_get_field_ptr(pval, tt); 19995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!ASN1_template_new(pseqval, tt)) 20095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 20195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 20295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL)) 20395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto auxerr; 20495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 20595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 20695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 20795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->sname) CRYPTO_pop_info(); 20895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 20995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 21095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 21195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memerr: 21295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(ASN1, asn1_item_ex_combine_new, ERR_R_MALLOC_FAILURE); 21395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 21495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->sname) CRYPTO_pop_info(); 21595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 21695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 21795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 21895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley auxerr: 21995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(ASN1, asn1_item_ex_combine_new, ASN1_R_AUX_ERROR); 22095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_item_ex_free(pval, it); 22195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 22295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->sname) CRYPTO_pop_info(); 22395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 22495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 22595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 22695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 22795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 22895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) 22995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 23095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_EXTERN_FUNCS *ef; 23195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley switch(it->itype) 23395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 23495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_EXTERN: 23695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ef = it->funcs; 23795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ef && ef->asn1_ex_clear) 23895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ef->asn1_ex_clear(pval, it); 23995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else *pval = NULL; 24095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 24195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_PRIMITIVE: 24495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->templates) 24595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_template_clear(pval, it->templates); 24695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 24795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_primitive_clear(pval, it); 24895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 24995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_MSTRING: 25195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_primitive_clear(pval, it); 25295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 25395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_COMPAT: 25595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_CHOICE: 25695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_SEQUENCE: 25795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case ASN1_ITYPE_NDEF_SEQUENCE: 25895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = NULL; 25995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 26095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 26195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 26295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 26395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 26495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) 26595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 26695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item); 26795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ret; 26895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tt->flags & ASN1_TFLG_OPTIONAL) 26995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 27095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_template_clear(pval, tt); 27195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 27295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 27395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* If ANY DEFINED BY nothing to do */ 27495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 27595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tt->flags & ASN1_TFLG_ADB_MASK) 27695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 27795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = NULL; 27895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 27995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 28095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 28195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tt->field_name) 28295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_push_info(tt->field_name); 28395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 28495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* If SET OF or SEQUENCE OF, its a STACK */ 28595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tt->flags & ASN1_TFLG_SK_MASK) 28695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 28795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley STACK_OF(ASN1_VALUE) *skval; 28895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley skval = sk_ASN1_VALUE_new_null(); 28995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!skval) 29095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 29195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(ASN1, ASN1_template_new, ERR_R_MALLOC_FAILURE); 29295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = 0; 29395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto done; 29495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 29595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = (ASN1_VALUE *)skval; 29695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = 1; 29795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto done; 29895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 29995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Otherwise pass it back to the item routine */ 30095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = asn1_item_ex_combine_new(pval, it, tt->flags & ASN1_TFLG_COMBINE); 30195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley done: 30295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifdef CRYPTO_MDEBUG 30395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->sname) 30495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_pop_info(); 30595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 30695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 30795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 30895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 30995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) 31095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 31195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* If ADB or STACK just NULL the field */ 31295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tt->flags & (ASN1_TFLG_ADB_MASK|ASN1_TFLG_SK_MASK)) 31395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = NULL; 31495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 31595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley asn1_item_clear(pval, ASN1_ITEM_ptr(tt->item)); 31695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 31795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 31895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 31995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* NB: could probably combine most of the real XXX_new() behaviour and junk 32095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * all the old functions. 32195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 32295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 32395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it) 32495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 32595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_TYPE *typ; 32695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_STRING *str; 32795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int utype; 32895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 32995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it && it->funcs) 33095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 33195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_PRIMITIVE_FUNCS *pf = it->funcs; 33295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pf->prim_new) 33395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return pf->prim_new(pval, it); 33495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 33595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 33695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!it || (it->itype == ASN1_ITYPE_MSTRING)) 33795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley utype = -1; 33895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 33995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley utype = it->utype; 34095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley switch(utype) 34195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 34295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case V_ASN1_OBJECT: 34395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = (ASN1_VALUE *)OBJ_nid2obj(NID_undef); 34495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 34595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 34695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case V_ASN1_BOOLEAN: 34795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *(ASN1_BOOLEAN *)pval = it->size; 34895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 34995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 35095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case V_ASN1_NULL: 35195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = (ASN1_VALUE *)1; 35295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 35395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 35495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley case V_ASN1_ANY: 35595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley typ = OPENSSL_malloc(sizeof(ASN1_TYPE)); 35695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!typ) 35795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 35895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley typ->value.ptr = NULL; 35995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley typ->type = -1; 36095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = (ASN1_VALUE *)typ; 36195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 36295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 36395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley default: 36495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley str = ASN1_STRING_type_new(utype); 36595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->itype == ASN1_ITYPE_MSTRING && str) 36695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley str->flags |= ASN1_STRING_FLAG_MSTRING; 36795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = (ASN1_VALUE *)str; 36895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley break; 36995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 37095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (*pval) 37195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 37295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 37395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 37495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 37595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) 37695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 37795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int utype; 37895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it && it->funcs) 37995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 38095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_PRIMITIVE_FUNCS *pf = it->funcs; 38195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pf->prim_clear) 38295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pf->prim_clear(pval, it); 38395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 38495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = NULL; 38595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return; 38695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 38795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!it || (it->itype == ASN1_ITYPE_MSTRING)) 38895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley utype = -1; 38995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 39095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley utype = it->utype; 39195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (utype == V_ASN1_BOOLEAN) 39295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *(ASN1_BOOLEAN *)pval = it->size; 39395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else *pval = NULL; 39495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 395