Import OpenSSL 1.1.0f
This commit is contained in:
@@ -1,60 +1,10 @@
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/* tasn_dec.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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* 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000-2005 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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* Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stddef.h>
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@@ -64,6 +14,12 @@
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#include <openssl/objects.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#include "internal/numbers.h"
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#include "asn1_locl.h"
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static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
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long len, const ASN1_ITEM *it,
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int tag, int aclass, char opt, ASN1_TLC *ctx);
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static int asn1_check_eoc(const unsigned char **in, long len);
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static int asn1_find_end(const unsigned char **in, long len, char inf);
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@@ -91,6 +47,8 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
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const ASN1_ITEM *it,
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int tag, int aclass, char opt,
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ASN1_TLC *ctx);
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static int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
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int utype, char *free_cont, const ASN1_ITEM *it);
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/* Table to convert tags to bit values, used for MSTRING type */
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static const unsigned long tag2bit[32] = {
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@@ -148,13 +106,15 @@ ASN1_VALUE *ASN1_item_d2i(ASN1_VALUE **pval,
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return NULL;
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}
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int ASN1_template_d2i(ASN1_VALUE **pval,
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const unsigned char **in, long len,
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const ASN1_TEMPLATE *tt)
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int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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const ASN1_ITEM *it,
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int tag, int aclass, char opt, ASN1_TLC *ctx)
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{
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ASN1_TLC c;
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asn1_tlc_clear_nc(&c);
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return asn1_template_ex_d2i(pval, in, len, tt, 0, &c);
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int rv;
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rv = asn1_item_embed_d2i(pval, in, len, it, tag, aclass, opt, ctx);
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if (rv <= 0)
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ASN1_item_ex_free(pval, it);
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return rv;
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}
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/*
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@@ -162,26 +122,22 @@ int ASN1_template_d2i(ASN1_VALUE **pval,
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* tag mismatch return -1 to handle OPTIONAL
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*/
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int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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const ASN1_ITEM *it,
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int tag, int aclass, char opt, ASN1_TLC *ctx)
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static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
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long len, const ASN1_ITEM *it,
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int tag, int aclass, char opt, ASN1_TLC *ctx)
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{
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const ASN1_TEMPLATE *tt, *errtt = NULL;
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const ASN1_COMPAT_FUNCS *cf;
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const ASN1_EXTERN_FUNCS *ef;
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const ASN1_AUX *aux = it->funcs;
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ASN1_aux_cb *asn1_cb;
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const unsigned char *p = NULL, *q;
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unsigned char *wp = NULL; /* BIG FAT WARNING! BREAKS CONST WHERE USED */
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unsigned char imphack = 0, oclass;
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unsigned char oclass;
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char seq_eoc, seq_nolen, cst, isopt;
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long tmplen;
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int i;
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int otag;
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int ret = 0;
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ASN1_VALUE **pchptr, *ptmpval;
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int combine = aclass & ASN1_TFLG_COMBINE;
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aclass &= ~ASN1_TFLG_COMBINE;
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ASN1_VALUE **pchptr;
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if (!pval)
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return 0;
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if (aux && aux->asn1_cb)
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@@ -199,7 +155,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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* template in the template itself.
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*/
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if ((tag != -1) || opt) {
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I,
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ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE);
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goto err;
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}
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@@ -208,7 +164,6 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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}
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return asn1_d2i_ex_primitive(pval, in, len, it,
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tag, aclass, opt, ctx);
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break;
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case ASN1_ITYPE_MSTRING:
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p = *in;
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@@ -216,7 +171,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL,
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&p, len, -1, 0, 1, ctx);
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if (!ret) {
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
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ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);
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goto err;
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}
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@@ -225,7 +180,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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/* If OPTIONAL, assume this is OK */
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if (opt)
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return -1;
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MSTRING_NOT_UNIVERSAL);
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ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_MSTRING_NOT_UNIVERSAL);
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goto err;
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}
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/* Check tag matches bit map */
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@@ -233,7 +188,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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/* If OPTIONAL, assume this is OK */
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if (opt)
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return -1;
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MSTRING_WRONG_TAG);
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ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_MSTRING_WRONG_TAG);
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goto err;
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}
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return asn1_d2i_ex_primitive(pval, in, len, it, otag, 0, 0, ctx);
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@@ -243,66 +198,6 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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ef = it->funcs;
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return ef->asn1_ex_d2i(pval, in, len, it, tag, aclass, opt, ctx);
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case ASN1_ITYPE_COMPAT:
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/* we must resort to old style evil hackery */
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cf = it->funcs;
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/* If OPTIONAL see if it is there */
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if (opt) {
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int exptag;
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p = *in;
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if (tag == -1)
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exptag = it->utype;
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else
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exptag = tag;
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/*
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* Don't care about anything other than presence of expected tag
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*/
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ret = asn1_check_tlen(NULL, NULL, NULL, NULL, NULL,
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&p, len, exptag, aclass, 1, ctx);
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if (!ret) {
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
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goto err;
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}
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if (ret == -1)
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return -1;
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}
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/*
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* This is the old style evil hack IMPLICIT handling: since the
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* underlying code is expecting a tag and class other than the one
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* present we change the buffer temporarily then change it back
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* afterwards. This doesn't and never did work for tags > 30. Yes
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* this is *horrible* but it is only needed for old style d2i which
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* will hopefully not be around for much longer. FIXME: should copy
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* the buffer then modify it so the input buffer can be const: we
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* should *always* copy because the old style d2i might modify the
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* buffer.
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*/
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if (tag != -1) {
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wp = *(unsigned char **)in;
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imphack = *wp;
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if (p == NULL) {
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
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goto err;
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}
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*wp = (unsigned char)((*p & V_ASN1_CONSTRUCTED)
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| it->utype);
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}
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ptmpval = cf->asn1_d2i(pval, in, len);
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if (tag != -1)
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*wp = imphack;
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if (ptmpval)
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return 1;
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
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goto err;
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case ASN1_ITYPE_CHOICE:
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if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it, NULL))
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goto auxerr;
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@@ -312,11 +207,11 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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if ((i >= 0) && (i < it->tcount)) {
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tt = it->templates + i;
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pchptr = asn1_get_field_ptr(pval, tt);
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ASN1_template_free(pchptr, tt);
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asn1_template_free(pchptr, tt);
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asn1_set_choice_selector(pval, -1, it);
|
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}
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} else if (!ASN1_item_ex_new(pval, it)) {
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
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ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);
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goto err;
|
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}
|
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/* CHOICE type, try each possibility in turn */
|
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@@ -333,9 +228,13 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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/* If positive return, read OK, break loop */
|
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if (ret > 0)
|
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break;
|
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/* Otherwise must be an ASN1 parsing error */
|
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/*
|
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* Must be an ASN1 parsing error.
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* Free up any partial choice value
|
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*/
|
||||
asn1_template_free(pchptr, tt);
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errtt = tt;
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
|
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ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);
|
||||
goto err;
|
||||
}
|
||||
|
||||
@@ -347,11 +246,12 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
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ASN1_item_ex_free(pval, it);
|
||||
return -1;
|
||||
}
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_NO_MATCHING_CHOICE_TYPE);
|
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ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_NO_MATCHING_CHOICE_TYPE);
|
||||
goto err;
|
||||
}
|
||||
|
||||
asn1_set_choice_selector(pval, i, it);
|
||||
|
||||
if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it, NULL))
|
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goto auxerr;
|
||||
*in = p;
|
||||
@@ -371,7 +271,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
ret = asn1_check_tlen(&len, NULL, NULL, &seq_eoc, &cst,
|
||||
&p, len, tag, aclass, opt, ctx);
|
||||
if (!ret) {
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);
|
||||
goto err;
|
||||
} else if (ret == -1)
|
||||
return -1;
|
||||
@@ -383,12 +283,12 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
else
|
||||
seq_nolen = seq_eoc;
|
||||
if (!cst) {
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_SEQUENCE_NOT_CONSTRUCTED);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_SEQUENCE_NOT_CONSTRUCTED);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (!*pval && !ASN1_item_ex_new(pval, it)) {
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ERR_R_NESTED_ASN1_ERROR);
|
||||
goto err;
|
||||
}
|
||||
|
||||
@@ -404,7 +304,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
if (seqtt == NULL)
|
||||
continue;
|
||||
pseqval = asn1_get_field_ptr(pval, seqtt);
|
||||
ASN1_template_free(pseqval, seqtt);
|
||||
asn1_template_free(pseqval, seqtt);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -422,7 +322,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
q = p;
|
||||
if (asn1_check_eoc(&p, len)) {
|
||||
if (!seq_eoc) {
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_UNEXPECTED_EOC);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_UNEXPECTED_EOC);
|
||||
goto err;
|
||||
}
|
||||
len -= p - q;
|
||||
@@ -452,7 +352,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
/*
|
||||
* OPTIONAL component absent. Free and zero the field.
|
||||
*/
|
||||
ASN1_template_free(pseqval, seqtt);
|
||||
asn1_template_free(pseqval, seqtt);
|
||||
continue;
|
||||
}
|
||||
/* Update length */
|
||||
@@ -461,12 +361,12 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
|
||||
/* Check for EOC if expecting one */
|
||||
if (seq_eoc && !asn1_check_eoc(&p, len)) {
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MISSING_EOC);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_MISSING_EOC);
|
||||
goto err;
|
||||
}
|
||||
/* Check all data read */
|
||||
if (!seq_nolen && len) {
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_SEQUENCE_LENGTH_MISMATCH);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_SEQUENCE_LENGTH_MISMATCH);
|
||||
goto err;
|
||||
}
|
||||
|
||||
@@ -483,10 +383,10 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
if (seqtt->flags & ASN1_TFLG_OPTIONAL) {
|
||||
ASN1_VALUE **pseqval;
|
||||
pseqval = asn1_get_field_ptr(pval, seqtt);
|
||||
ASN1_template_free(pseqval, seqtt);
|
||||
asn1_template_free(pseqval, seqtt);
|
||||
} else {
|
||||
errtt = seqtt;
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_FIELD_MISSING);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_FIELD_MISSING);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
@@ -502,10 +402,8 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
return 0;
|
||||
}
|
||||
auxerr:
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_AUX_ERROR);
|
||||
ASN1err(ASN1_F_ASN1_ITEM_EMBED_D2I, ASN1_R_AUX_ERROR);
|
||||
err:
|
||||
if (combine == 0)
|
||||
ASN1_item_ex_free(pval, it);
|
||||
if (errtt)
|
||||
ERR_add_error_data(4, "Field=", errtt->field_name,
|
||||
", Type=", it->sname);
|
||||
@@ -587,7 +485,6 @@ static int asn1_template_ex_d2i(ASN1_VALUE **val,
|
||||
return 1;
|
||||
|
||||
err:
|
||||
ASN1_template_free(val, tt);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -598,6 +495,7 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||||
{
|
||||
int flags, aclass;
|
||||
int ret;
|
||||
ASN1_VALUE *tval;
|
||||
const unsigned char *p, *q;
|
||||
if (!val)
|
||||
return 0;
|
||||
@@ -607,6 +505,15 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||||
p = *in;
|
||||
q = p;
|
||||
|
||||
/*
|
||||
* If field is embedded then val needs fixing so it is a pointer to
|
||||
* a pointer to a field.
|
||||
*/
|
||||
if (tt->flags & ASN1_TFLG_EMBED) {
|
||||
tval = (ASN1_VALUE *)val;
|
||||
val = &tval;
|
||||
}
|
||||
|
||||
if (flags & ASN1_TFLG_SK_MASK) {
|
||||
/* SET OF, SEQUENCE OF */
|
||||
int sktag, skaclass;
|
||||
@@ -631,7 +538,7 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||||
} else if (ret == -1)
|
||||
return -1;
|
||||
if (!*val)
|
||||
*val = (ASN1_VALUE *)sk_new_null();
|
||||
*val = (ASN1_VALUE *)OPENSSL_sk_new_null();
|
||||
else {
|
||||
/*
|
||||
* We've got a valid STACK: free up any items present
|
||||
@@ -665,15 +572,18 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||||
break;
|
||||
}
|
||||
skfield = NULL;
|
||||
if (!ASN1_item_ex_d2i(&skfield, &p, len,
|
||||
ASN1_ITEM_ptr(tt->item), -1, 0, 0, ctx)) {
|
||||
if (!asn1_item_embed_d2i(&skfield, &p, len,
|
||||
ASN1_ITEM_ptr(tt->item), -1, 0, 0, ctx)) {
|
||||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||||
ERR_R_NESTED_ASN1_ERROR);
|
||||
/* |skfield| may be partially allocated despite failure. */
|
||||
ASN1_item_free(skfield, ASN1_ITEM_ptr(tt->item));
|
||||
goto err;
|
||||
}
|
||||
len -= p - q;
|
||||
if (!sk_ASN1_VALUE_push((STACK_OF(ASN1_VALUE) *)*val, skfield)) {
|
||||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I, ERR_R_MALLOC_FAILURE);
|
||||
ASN1_item_free(skfield, ASN1_ITEM_ptr(tt->item));
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
@@ -683,9 +593,9 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||||
}
|
||||
} else if (flags & ASN1_TFLG_IMPTAG) {
|
||||
/* IMPLICIT tagging */
|
||||
ret = ASN1_item_ex_d2i(val, &p, len,
|
||||
ASN1_ITEM_ptr(tt->item), tt->tag, aclass, opt,
|
||||
ctx);
|
||||
ret = asn1_item_embed_d2i(val, &p, len,
|
||||
ASN1_ITEM_ptr(tt->item), tt->tag, aclass, opt,
|
||||
ctx);
|
||||
if (!ret) {
|
||||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I, ERR_R_NESTED_ASN1_ERROR);
|
||||
goto err;
|
||||
@@ -693,8 +603,8 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||||
return -1;
|
||||
} else {
|
||||
/* Nothing special */
|
||||
ret = ASN1_item_ex_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item),
|
||||
-1, tt->flags & ASN1_TFLG_COMBINE, opt, ctx);
|
||||
ret = asn1_item_embed_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item),
|
||||
-1, 0, opt, ctx);
|
||||
if (!ret) {
|
||||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I, ERR_R_NESTED_ASN1_ERROR);
|
||||
goto err;
|
||||
@@ -706,7 +616,6 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||||
return 1;
|
||||
|
||||
err:
|
||||
ASN1_template_free(val, tt);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -719,7 +628,7 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
|
||||
long plen;
|
||||
char cst, inf, free_cont = 0;
|
||||
const unsigned char *p;
|
||||
BUF_MEM buf = { 0, NULL, 0 };
|
||||
BUF_MEM buf = { 0, NULL, 0, 0 };
|
||||
const unsigned char *cont = NULL;
|
||||
long len;
|
||||
if (!pval) {
|
||||
@@ -774,7 +683,7 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
|
||||
|| (utype == V_ASN1_SET) || (utype == V_ASN1_OTHER)) {
|
||||
/*
|
||||
* Clear context cache for type OTHER because the auto clear when we
|
||||
* have a exact match wont work
|
||||
* have a exact match won't work
|
||||
*/
|
||||
if (utype == V_ASN1_OTHER) {
|
||||
asn1_tlc_clear(ctx);
|
||||
@@ -837,15 +746,15 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
|
||||
*in = p;
|
||||
ret = 1;
|
||||
err:
|
||||
if (free_cont && buf.data)
|
||||
if (free_cont)
|
||||
OPENSSL_free(buf.data);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Translate ASN1 content octets into a structure */
|
||||
|
||||
int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
|
||||
int utype, char *free_cont, const ASN1_ITEM *it)
|
||||
static int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
|
||||
int utype, char *free_cont, const ASN1_ITEM *it)
|
||||
{
|
||||
ASN1_VALUE **opval = NULL;
|
||||
ASN1_STRING *stmp;
|
||||
@@ -941,7 +850,7 @@ int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
|
||||
/* All based on ASN1_STRING and handled the same */
|
||||
if (!*pval) {
|
||||
stmp = ASN1_STRING_type_new(utype);
|
||||
if (!stmp) {
|
||||
if (stmp == NULL) {
|
||||
ASN1err(ASN1_F_ASN1_EX_C2I, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
@@ -952,8 +861,7 @@ int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
|
||||
}
|
||||
/* If we've already allocated a buffer use it */
|
||||
if (*free_cont) {
|
||||
if (stmp->data)
|
||||
OPENSSL_free(stmp->data);
|
||||
OPENSSL_free(stmp->data);
|
||||
stmp->data = (unsigned char *)cont; /* UGLY CAST! RL */
|
||||
stmp->length = len;
|
||||
*free_cont = 0;
|
||||
@@ -990,7 +898,7 @@ int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
|
||||
|
||||
static int asn1_find_end(const unsigned char **in, long len, char inf)
|
||||
{
|
||||
int expected_eoc;
|
||||
uint32_t expected_eoc;
|
||||
long plen;
|
||||
const unsigned char *p = *in, *q;
|
||||
/* If not indefinite length constructed just add length */
|
||||
@@ -1020,10 +928,15 @@ static int asn1_find_end(const unsigned char **in, long len, char inf)
|
||||
ASN1err(ASN1_F_ASN1_FIND_END, ERR_R_NESTED_ASN1_ERROR);
|
||||
return 0;
|
||||
}
|
||||
if (inf)
|
||||
if (inf) {
|
||||
if (expected_eoc == UINT32_MAX) {
|
||||
ASN1err(ASN1_F_ASN1_FIND_END, ERR_R_NESTED_ASN1_ERROR);
|
||||
return 0;
|
||||
}
|
||||
expected_eoc++;
|
||||
else
|
||||
} else {
|
||||
p += plen;
|
||||
}
|
||||
len -= p - q;
|
||||
}
|
||||
if (expected_eoc) {
|
||||
@@ -1035,7 +948,7 @@ static int asn1_find_end(const unsigned char **in, long len, char inf)
|
||||
}
|
||||
|
||||
/*
|
||||
* This function collects the asn1 data from a constructred string type into
|
||||
* This function collects the asn1 data from a constructed string type into
|
||||
* a buffer. The values of 'in' and 'len' should refer to the contents of the
|
||||
* constructed type and 'inf' should be set if it is indefinite length.
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user