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656 lines
17 KiB
C
656 lines
17 KiB
C
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/* $OpenBSD: x_name.c,v 1.34 2018/02/20 17:09:20 jsing Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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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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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <openssl/asn1t.h>
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#include <openssl/err.h>
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#include <openssl/x509.h>
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#include "asn1_locl.h"
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typedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY;
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DECLARE_STACK_OF(STACK_OF_X509_NAME_ENTRY)
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static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in,
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long len, const ASN1_ITEM *it, int tag, int aclass, char opt,
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ASN1_TLC *ctx);
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static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out,
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const ASN1_ITEM *it, int tag, int aclass);
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static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it);
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static void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it);
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static int x509_name_encode(X509_NAME *a);
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static int x509_name_canon(X509_NAME *a);
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static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in);
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static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname,
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unsigned char **in);
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static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval, int indent,
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const char *fname, const ASN1_PCTX *pctx);
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static const ASN1_TEMPLATE X509_NAME_ENTRY_seq_tt[] = {
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{
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.offset = offsetof(X509_NAME_ENTRY, object),
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.field_name = "object",
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.item = &ASN1_OBJECT_it,
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},
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{
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.offset = offsetof(X509_NAME_ENTRY, value),
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.field_name = "value",
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.item = &ASN1_PRINTABLE_it,
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},
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};
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const ASN1_ITEM X509_NAME_ENTRY_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = X509_NAME_ENTRY_seq_tt,
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.tcount = sizeof(X509_NAME_ENTRY_seq_tt) / sizeof(ASN1_TEMPLATE),
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.size = sizeof(X509_NAME_ENTRY),
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.sname = "X509_NAME_ENTRY",
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};
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X509_NAME_ENTRY *
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d2i_X509_NAME_ENTRY(X509_NAME_ENTRY **a, const unsigned char **in, long len)
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{
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return (X509_NAME_ENTRY *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&X509_NAME_ENTRY_it);
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}
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int
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i2d_X509_NAME_ENTRY(X509_NAME_ENTRY *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_NAME_ENTRY_it);
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}
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X509_NAME_ENTRY *
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X509_NAME_ENTRY_new(void)
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{
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return (X509_NAME_ENTRY *)ASN1_item_new(&X509_NAME_ENTRY_it);
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}
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void
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X509_NAME_ENTRY_free(X509_NAME_ENTRY *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &X509_NAME_ENTRY_it);
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}
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X509_NAME_ENTRY *
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X509_NAME_ENTRY_dup(X509_NAME_ENTRY *x)
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{
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return ASN1_item_dup(&X509_NAME_ENTRY_it, x);
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}
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/* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY }
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* so declare two template wrappers for this
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*/
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static const ASN1_TEMPLATE X509_NAME_ENTRIES_item_tt = {
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.flags = ASN1_TFLG_SET_OF,
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.tag = 0,
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.offset = 0,
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.field_name = "RDNS",
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.item = &X509_NAME_ENTRY_it,
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};
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const ASN1_ITEM X509_NAME_ENTRIES_it = {
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.itype = ASN1_ITYPE_PRIMITIVE,
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.utype = -1,
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.templates = &X509_NAME_ENTRIES_item_tt,
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.tcount = 0,
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.funcs = NULL,
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.size = 0,
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.sname = "X509_NAME_ENTRIES",
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};
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static const ASN1_TEMPLATE X509_NAME_INTERNAL_item_tt = {
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.flags = ASN1_TFLG_SEQUENCE_OF,
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.tag = 0,
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.offset = 0,
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.field_name = "Name",
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.item = &X509_NAME_ENTRIES_it,
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};
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const ASN1_ITEM X509_NAME_INTERNAL_it = {
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.itype = ASN1_ITYPE_PRIMITIVE,
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.utype = -1,
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.templates = &X509_NAME_INTERNAL_item_tt,
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.tcount = 0,
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.funcs = NULL,
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.size = 0,
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.sname = "X509_NAME_INTERNAL",
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};
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/* Normally that's where it would end: we'd have two nested STACK structures
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* representing the ASN1. Unfortunately X509_NAME uses a completely different
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* form and caches encodings so we have to process the internal form and convert
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* to the external form.
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*/
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const ASN1_EXTERN_FUNCS x509_name_ff = {
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NULL,
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x509_name_ex_new,
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x509_name_ex_free,
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0, /* Default clear behaviour is OK */
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x509_name_ex_d2i,
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x509_name_ex_i2d,
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x509_name_ex_print
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};
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const ASN1_ITEM X509_NAME_it = {
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.itype = ASN1_ITYPE_EXTERN,
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.utype = V_ASN1_SEQUENCE,
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.templates = NULL,
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.tcount = 0,
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.funcs = &x509_name_ff,
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.size = 0,
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.sname = "X509_NAME",
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};
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X509_NAME *
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d2i_X509_NAME(X509_NAME **a, const unsigned char **in, long len)
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{
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return (X509_NAME *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&X509_NAME_it);
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}
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int
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i2d_X509_NAME(X509_NAME *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_NAME_it);
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}
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X509_NAME *
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X509_NAME_new(void)
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{
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return (X509_NAME *)ASN1_item_new(&X509_NAME_it);
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}
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void
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X509_NAME_free(X509_NAME *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &X509_NAME_it);
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}
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X509_NAME *
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X509_NAME_dup(X509_NAME *x)
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{
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return ASN1_item_dup(&X509_NAME_it, x);
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}
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static int
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x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it)
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{
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X509_NAME *ret = NULL;
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ret = malloc(sizeof(X509_NAME));
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if (!ret)
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goto memerr;
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if ((ret->entries = sk_X509_NAME_ENTRY_new_null()) == NULL)
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goto memerr;
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if ((ret->bytes = BUF_MEM_new()) == NULL)
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goto memerr;
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ret->canon_enc = NULL;
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ret->canon_enclen = 0;
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ret->modified = 1;
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*val = (ASN1_VALUE *)ret;
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return 1;
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memerr:
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ASN1error(ERR_R_MALLOC_FAILURE);
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if (ret) {
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if (ret->entries)
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sk_X509_NAME_ENTRY_free(ret->entries);
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free(ret);
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}
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return 0;
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}
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static void
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x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
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{
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X509_NAME *a;
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if (!pval || !*pval)
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return;
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a = (X509_NAME *)*pval;
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BUF_MEM_free(a->bytes);
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sk_X509_NAME_ENTRY_pop_free(a->entries, X509_NAME_ENTRY_free);
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free(a->canon_enc);
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free(a);
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*pval = NULL;
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}
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static int
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x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len,
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const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx)
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{
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const unsigned char *p = *in, *q;
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union {
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STACK_OF(STACK_OF_X509_NAME_ENTRY) *s;
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ASN1_VALUE *a;
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} intname = {NULL};
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union {
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X509_NAME *x;
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ASN1_VALUE *a;
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} nm = {NULL};
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int i, j, ret;
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STACK_OF(X509_NAME_ENTRY) *entries;
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X509_NAME_ENTRY *entry;
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q = p;
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/* Get internal representation of Name */
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ret = ASN1_item_ex_d2i(&intname.a, &p, len,
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&X509_NAME_INTERNAL_it, tag, aclass, opt, ctx);
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if (ret <= 0)
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return ret;
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if (*val)
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x509_name_ex_free(val, NULL);
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if (!x509_name_ex_new(&nm.a, NULL))
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goto err;
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/* We've decoded it: now cache encoding */
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if (!BUF_MEM_grow(nm.x->bytes, p - q))
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goto err;
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memcpy(nm.x->bytes->data, q, p - q);
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/* Convert internal representation to X509_NAME structure */
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for (i = 0; i < sk_STACK_OF_X509_NAME_ENTRY_num(intname.s); i++) {
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entries = sk_STACK_OF_X509_NAME_ENTRY_value(intname.s, i);
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for (j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) {
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entry = sk_X509_NAME_ENTRY_value(entries, j);
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entry->set = i;
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if (!sk_X509_NAME_ENTRY_push(nm.x->entries, entry))
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goto err;
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}
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sk_X509_NAME_ENTRY_free(entries);
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}
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sk_STACK_OF_X509_NAME_ENTRY_free(intname.s);
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ret = x509_name_canon(nm.x);
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if (!ret)
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goto err;
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nm.x->modified = 0;
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*val = nm.a;
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*in = p;
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return ret;
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err:
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if (nm.x != NULL)
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X509_NAME_free(nm.x);
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ASN1error(ERR_R_NESTED_ASN1_ERROR);
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return 0;
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}
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static int
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x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it,
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int tag, int aclass)
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{
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int ret;
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X509_NAME *a = (X509_NAME *)*val;
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if (a->modified) {
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ret = x509_name_encode(a);
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if (ret < 0)
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return ret;
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ret = x509_name_canon(a);
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if (ret < 0)
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return ret;
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}
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ret = a->bytes->length;
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if (out != NULL) {
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memcpy(*out, a->bytes->data, ret);
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*out += ret;
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}
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return ret;
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}
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static void
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local_sk_X509_NAME_ENTRY_free(STACK_OF(X509_NAME_ENTRY) *ne)
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{
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sk_X509_NAME_ENTRY_free(ne);
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}
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static void
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local_sk_X509_NAME_ENTRY_pop_free(STACK_OF(X509_NAME_ENTRY) *ne)
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{
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sk_X509_NAME_ENTRY_pop_free(ne, X509_NAME_ENTRY_free);
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}
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static int
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x509_name_encode(X509_NAME *a)
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{
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union {
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STACK_OF(STACK_OF_X509_NAME_ENTRY) *s;
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ASN1_VALUE *a;
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} intname = {NULL};
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int len;
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unsigned char *p;
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STACK_OF(X509_NAME_ENTRY) *entries = NULL;
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X509_NAME_ENTRY *entry;
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int i, set = -1;
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intname.s = sk_STACK_OF_X509_NAME_ENTRY_new_null();
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if (!intname.s)
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goto memerr;
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for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
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entry = sk_X509_NAME_ENTRY_value(a->entries, i);
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if (entry->set != set) {
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entries = sk_X509_NAME_ENTRY_new_null();
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if (!entries)
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goto memerr;
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if (!sk_STACK_OF_X509_NAME_ENTRY_push(intname.s,
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entries))
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|
goto memerr;
|
||
|
set = entry->set;
|
||
|
}
|
||
|
if (entries == NULL /* if entry->set is bogusly -1 */ ||
|
||
|
!sk_X509_NAME_ENTRY_push(entries, entry))
|
||
|
goto memerr;
|
||
|
}
|
||
|
len = ASN1_item_ex_i2d(&intname.a, NULL,
|
||
|
&X509_NAME_INTERNAL_it, -1, -1);
|
||
|
if (!BUF_MEM_grow(a->bytes, len))
|
||
|
goto memerr;
|
||
|
p = (unsigned char *)a->bytes->data;
|
||
|
ASN1_item_ex_i2d(&intname.a, &p, &X509_NAME_INTERNAL_it,
|
||
|
-1, -1);
|
||
|
sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
|
||
|
local_sk_X509_NAME_ENTRY_free);
|
||
|
a->modified = 0;
|
||
|
return len;
|
||
|
|
||
|
memerr:
|
||
|
sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
|
||
|
local_sk_X509_NAME_ENTRY_free);
|
||
|
ASN1error(ERR_R_MALLOC_FAILURE);
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
x509_name_ex_print(BIO *out, ASN1_VALUE **pval, int indent, const char *fname,
|
||
|
const ASN1_PCTX *pctx)
|
||
|
{
|
||
|
if (X509_NAME_print_ex(out, (X509_NAME *)*pval, indent,
|
||
|
pctx->nm_flags) <= 0)
|
||
|
return 0;
|
||
|
return 2;
|
||
|
}
|
||
|
|
||
|
/* This function generates the canonical encoding of the Name structure.
|
||
|
* In it all strings are converted to UTF8, leading, trailing and
|
||
|
* multiple spaces collapsed, converted to lower case and the leading
|
||
|
* SEQUENCE header removed.
|
||
|
*
|
||
|
* In future we could also normalize the UTF8 too.
|
||
|
*
|
||
|
* By doing this comparison of Name structures can be rapidly
|
||
|
* performed by just using memcmp() of the canonical encoding.
|
||
|
* By omitting the leading SEQUENCE name constraints of type
|
||
|
* dirName can also be checked with a simple memcmp().
|
||
|
*/
|
||
|
|
||
|
static int
|
||
|
x509_name_canon(X509_NAME *a)
|
||
|
{
|
||
|
unsigned char *p;
|
||
|
STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname = NULL;
|
||
|
STACK_OF(X509_NAME_ENTRY) *entries = NULL;
|
||
|
X509_NAME_ENTRY *entry, *tmpentry = NULL;
|
||
|
int i, len, set = -1, ret = 0;
|
||
|
|
||
|
if (a->canon_enc) {
|
||
|
free(a->canon_enc);
|
||
|
a->canon_enc = NULL;
|
||
|
}
|
||
|
/* Special case: empty X509_NAME => null encoding */
|
||
|
if (sk_X509_NAME_ENTRY_num(a->entries) == 0) {
|
||
|
a->canon_enclen = 0;
|
||
|
return 1;
|
||
|
}
|
||
|
intname = sk_STACK_OF_X509_NAME_ENTRY_new_null();
|
||
|
if (!intname)
|
||
|
goto err;
|
||
|
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
|
||
|
entry = sk_X509_NAME_ENTRY_value(a->entries, i);
|
||
|
if (entry->set != set) {
|
||
|
entries = sk_X509_NAME_ENTRY_new_null();
|
||
|
if (!entries)
|
||
|
goto err;
|
||
|
if (sk_STACK_OF_X509_NAME_ENTRY_push(intname,
|
||
|
entries) == 0) {
|
||
|
sk_X509_NAME_ENTRY_free(entries);
|
||
|
goto err;
|
||
|
}
|
||
|
set = entry->set;
|
||
|
}
|
||
|
tmpentry = X509_NAME_ENTRY_new();
|
||
|
if (tmpentry == NULL)
|
||
|
goto err;
|
||
|
tmpentry->object = OBJ_dup(entry->object);
|
||
|
if (tmpentry->object == NULL)
|
||
|
goto err;
|
||
|
if (!asn1_string_canon(tmpentry->value, entry->value))
|
||
|
goto err;
|
||
|
if (entries == NULL /* if entry->set is bogusly -1 */ ||
|
||
|
!sk_X509_NAME_ENTRY_push(entries, tmpentry))
|
||
|
goto err;
|
||
|
tmpentry = NULL;
|
||
|
}
|
||
|
|
||
|
/* Finally generate encoding */
|
||
|
len = i2d_name_canon(intname, NULL);
|
||
|
if (len < 0)
|
||
|
goto err;
|
||
|
p = malloc(len);
|
||
|
if (p == NULL)
|
||
|
goto err;
|
||
|
a->canon_enc = p;
|
||
|
a->canon_enclen = len;
|
||
|
i2d_name_canon(intname, &p);
|
||
|
ret = 1;
|
||
|
|
||
|
err:
|
||
|
if (tmpentry)
|
||
|
X509_NAME_ENTRY_free(tmpentry);
|
||
|
if (intname)
|
||
|
sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname,
|
||
|
local_sk_X509_NAME_ENTRY_pop_free);
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/* Bitmap of all the types of string that will be canonicalized. */
|
||
|
|
||
|
#define ASN1_MASK_CANON \
|
||
|
(B_ASN1_UTF8STRING | B_ASN1_BMPSTRING | B_ASN1_UNIVERSALSTRING \
|
||
|
| B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \
|
||
|
| B_ASN1_VISIBLESTRING)
|
||
|
|
||
|
|
||
|
static int
|
||
|
asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in)
|
||
|
{
|
||
|
unsigned char *to, *from;
|
||
|
int len, i;
|
||
|
|
||
|
/* If type not in bitmask just copy string across */
|
||
|
if (!(ASN1_tag2bit(in->type) & ASN1_MASK_CANON)) {
|
||
|
if (!ASN1_STRING_copy(out, in))
|
||
|
return 0;
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
out->type = V_ASN1_UTF8STRING;
|
||
|
out->length = ASN1_STRING_to_UTF8(&out->data, in);
|
||
|
if (out->length == -1)
|
||
|
return 0;
|
||
|
|
||
|
to = out->data;
|
||
|
from = to;
|
||
|
|
||
|
len = out->length;
|
||
|
|
||
|
/* Convert string in place to canonical form.
|
||
|
* Ultimately we may need to handle a wider range of characters
|
||
|
* but for now ignore anything with MSB set and rely on the
|
||
|
* isspace() and tolower() functions.
|
||
|
*/
|
||
|
|
||
|
/* Ignore leading spaces */
|
||
|
while ((len > 0) && !(*from & 0x80) && isspace(*from)) {
|
||
|
from++;
|
||
|
len--;
|
||
|
}
|
||
|
|
||
|
to = from + len - 1;
|
||
|
|
||
|
/* Ignore trailing spaces */
|
||
|
while ((len > 0) && !(*to & 0x80) && isspace(*to)) {
|
||
|
to--;
|
||
|
len--;
|
||
|
}
|
||
|
|
||
|
to = out->data;
|
||
|
|
||
|
i = 0;
|
||
|
while (i < len) {
|
||
|
/* If MSB set just copy across */
|
||
|
if (*from & 0x80) {
|
||
|
*to++ = *from++;
|
||
|
i++;
|
||
|
}
|
||
|
/* Collapse multiple spaces */
|
||
|
else if (isspace(*from)) {
|
||
|
/* Copy one space across */
|
||
|
*to++ = ' ';
|
||
|
/* Ignore subsequent spaces. Note: don't need to
|
||
|
* check len here because we know the last
|
||
|
* character is a non-space so we can't overflow.
|
||
|
*/
|
||
|
do {
|
||
|
from++;
|
||
|
i++;
|
||
|
} while (!(*from & 0x80) && isspace(*from));
|
||
|
} else {
|
||
|
*to++ = tolower(*from);
|
||
|
from++;
|
||
|
i++;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
out->length = to - out->data;
|
||
|
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *_intname, unsigned char **in)
|
||
|
{
|
||
|
int i, len, ltmp;
|
||
|
ASN1_VALUE *v;
|
||
|
STACK_OF(ASN1_VALUE) *intname = (STACK_OF(ASN1_VALUE) *)_intname;
|
||
|
|
||
|
len = 0;
|
||
|
for (i = 0; i < sk_ASN1_VALUE_num(intname); i++) {
|
||
|
v = sk_ASN1_VALUE_value(intname, i);
|
||
|
ltmp = ASN1_item_ex_i2d(&v, in,
|
||
|
&X509_NAME_ENTRIES_it, -1, -1);
|
||
|
if (ltmp < 0)
|
||
|
return ltmp;
|
||
|
len += ltmp;
|
||
|
}
|
||
|
return len;
|
||
|
}
|
||
|
|
||
|
int
|
||
|
X509_NAME_set(X509_NAME **xn, X509_NAME *name)
|
||
|
{
|
||
|
X509_NAME *in;
|
||
|
|
||
|
if (!xn || !name)
|
||
|
return (0);
|
||
|
|
||
|
if (*xn != name) {
|
||
|
in = X509_NAME_dup(name);
|
||
|
if (in != NULL) {
|
||
|
X509_NAME_free(*xn);
|
||
|
*xn = in;
|
||
|
}
|
||
|
}
|
||
|
return (*xn != NULL);
|
||
|
}
|
||
|
|
||
|
int
|
||
|
X509_NAME_get0_der(X509_NAME *nm, const unsigned char **pder, size_t *pderlen)
|
||
|
{
|
||
|
/* Make sure encoding is valid. */
|
||
|
if (i2d_X509_NAME(nm, NULL) <= 0)
|
||
|
return 0;
|
||
|
if (pder != NULL)
|
||
|
*pder = (unsigned char *)nm->bytes->data;
|
||
|
if (pderlen != NULL)
|
||
|
*pderlen = nm->bytes->length;
|
||
|
return 1;
|
||
|
}
|