Update ASN1 printing code. Highly experimental, not working properly (neither
did the old code) and not compiled in yet...
This commit is contained in:
Dr. Stephen Henson
parent
8eb7217580
commit
56defd9a98
2 changed files with 491 additions and 109 deletions
70
crypto/asn1/asn1_locl.h
Normal file
70
crypto/asn1/asn1_locl.h
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@ -0,0 +1,70 @@
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/* asn1t.h */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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* project 2005.
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*/
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/* ====================================================================
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* Copyright (c) 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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*
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*/
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/* Internal ASN1 structures and functions: not for application use */
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/* ASN1 print context structure */
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struct asn1_pctx_st
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{
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unsigned long flags;
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unsigned long nm_flags;
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unsigned long cert_flags;
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unsigned long oid_flags;
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unsigned long str_flags;
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} /* ASN1_PCTX */;
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@ -3,7 +3,7 @@
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* project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
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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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@ -59,140 +59,452 @@
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#include <stddef.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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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 <openssl/nasn.h>
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#include <openssl/x509v3.h>
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#include "asn1_locl.h"
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/* Print routines. Print out a whole structure from a template.
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#define ASN1_PCTX_FLAGS_SHOW_ABSENT 0x1
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#define ASN1_PCTX_FLAGS_SHOW_SEQUENCE 0x2
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#define ASN1_PCTX_FLAGS_SHOW_TYPE 0x4
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#define ASN1_PCTX_FLAGS_NO_FIELD_NAME 0x8
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#define ASN1_PCTX_FLAGS_NO_STRUCT_NAME 0x10
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/* Print routines.
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*/
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static int asn1_item_print_nm(BIO *out, void *fld, int indent, const ASN1_ITEM *it, const char *name);
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/* ASN1_PCTX routines */
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int ASN1_item_print(BIO *out, void *fld, int indent, const ASN1_ITEM *it)
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{
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return asn1_item_print_nm(out, fld, indent, it, it->sname);
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}
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ASN1_PCTX default_pctx =
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{
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ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
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0, /* nm_flags */
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0, /* cert_flags */
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0, /* oid_flags */
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0 /* str_flags */
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};
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static int asn1_item_print_nm(BIO *out, void *fld, int indent, const ASN1_ITEM *it, const char *name)
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{
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ASN1_STRING *str;
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const ASN1_TEMPLATE *tt;
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void *tmpfld;
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int i;
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if(!fld) {
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BIO_printf(out, "%*s%s ABSENT\n", indent, "", name);
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return 1;
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ASN1_PCTX *ASN1_PCTX_new(void)
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{
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ASN1_PCTX *ret;
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ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
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if (ret == NULL)
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{
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ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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ret->flags = 0;
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ret->nm_flags = 0;
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ret->cert_flags = 0;
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ret->oid_flags = 0;
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ret->str_flags = 0;
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return ret;
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}
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switch(it->itype) {
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void ASN1_PCTX_free(ASN1_PCTX *p)
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{
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OPENSSL_free(p);
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}
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unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
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{
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return p->flags;
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}
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void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->flags = flags;
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}
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unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
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{
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return p->nm_flags;
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}
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void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->nm_flags = flags;
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}
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unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
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{
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return p->cert_flags;
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}
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void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->cert_flags = flags;
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}
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unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
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{
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return p->oid_flags;
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}
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void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->oid_flags = flags;
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}
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unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
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{
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return p->str_flags;
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}
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void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->str_flags = flags;
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}
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/* Main print routines */
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static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_ITEM *it, const ASN1_PCTX *pctx);
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int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx);
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static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
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const ASN1_ITEM *it, int indent,
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const ASN1_PCTX *pctx);
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int ASN1_item_print(BIO *out, ASN1_VALUE *ifld, int indent,
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const ASN1_ITEM *it, const ASN1_PCTX *pctx)
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{
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if (pctx == NULL)
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pctx = &default_pctx;
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return asn1_item_print_ctx(out, &ifld, indent, it, pctx);
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}
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static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_ITEM *it, const ASN1_PCTX *pctx)
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{
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const ASN1_TEMPLATE *tt;
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const ASN1_EXTERN_FUNCS *ef;
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ASN1_VALUE **tmpfld;
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int i;
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if (BIO_printf(out, "%s:", it->sname) <= 0)
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return 0;
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if(*fld == NULL)
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{
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if (!(pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT))
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{
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if (BIO_puts(out, "\n") <= 0)
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return 0;
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}
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else
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{
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if (BIO_puts(out, "<ABSENT>\n") <= 0)
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return 0;
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}
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return 1;
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}
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switch(it->itype)
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{
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case ASN1_ITYPE_PRIMITIVE:
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if(it->templates)
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return ASN1_template_print(out, fld, indent, it->templates);
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return asn1_primitive_print(out, fld, it->utype, indent, name);
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{
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if (!asn1_template_print_ctx(out, fld, indent,
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it->templates, pctx))
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return 0;
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}
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/* fall thru */
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case ASN1_ITYPE_MSTRING:
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if (!asn1_primitive_print(out, fld, it, indent, pctx))
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return 0;
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break;
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case ASN1_ITYPE_MSTRING:
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str = fld;
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return asn1_primitive_print(out, fld, str->type, indent, name);
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case ASN1_ITYPE_EXTERN:
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BIO_printf(out, "%*s%s:EXTERNAL TYPE %s %s\n", indent, "", name, it->sname, fld ? "" : "ABSENT");
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return 1;
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case ASN1_ITYPE_COMPAT:
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BIO_printf(out, "%*s%s:COMPATIBLE TYPE %s %s\n", indent, "", name, it->sname, fld ? "" : "ABSENT");
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return 1;
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/* Use new style print routine if possible */
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ef = it->funcs;
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if (ef && ef->asn1_ex_print)
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{
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if (!ef->asn1_ex_print(out, fld, indent, "", pctx))
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return 0;
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}
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else if (BIO_printf(out, ":EXTERNAL TYPE %s\n", it->sname) <= 0)
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return 0;
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break;
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case ASN1_ITYPE_CHOICE:
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/* CHOICE type, get selector */
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i = asn1_get_choice_selector(fld, it);
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/* This should never happen... */
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if((i < 0) || (i >= it->tcount)) {
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BIO_printf(out, "%s selector [%d] out of range\n", it->sname, i);
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if((i < 0) || (i >= it->tcount))
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{
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if (BIO_printf(out,
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"ERROR: selector [%d] invalid\n", i) <= 0)
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return 0;
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return 1;
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}
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}
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tt = it->templates + i;
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tmpfld = asn1_get_field(fld, tt);
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return ASN1_template_print(out, tmpfld, indent, tt);
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tmpfld = asn1_get_field_ptr(fld, tt);
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if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
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return 0;
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break;
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case ASN1_ITYPE_SEQUENCE:
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BIO_printf(out, "%*s%s {\n", indent, "", name);
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/* Get each field entry */
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for(i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
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tmpfld = asn1_get_field(fld, tt);
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ASN1_template_print(out, tmpfld, indent + 2, tt);
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}
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BIO_printf(out, "%*s}\n", indent, "");
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return 1;
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case ASN1_ITYPE_NDEF_SEQUENCE:
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
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{
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if (BIO_puts(out, " {\n") <= 0)
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return 0;
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}
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else
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{
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if (BIO_puts(out, "\n") <= 0)
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return 0;
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}
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/* Print each field entry */
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for(i = 0, tt = it->templates; i < it->tcount; i++, tt++)
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{
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const ASN1_TEMPLATE *seqtt;
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seqtt = asn1_do_adb(fld, tt, 1);
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tmpfld = asn1_get_field_ptr(fld, seqtt);
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if (!asn1_template_print_ctx(out, tmpfld,
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indent + 2, seqtt, pctx))
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return 0;
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}
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
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{
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if (BIO_printf(out, "%*s}\n", indent, "") < 0)
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return 0;
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}
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break;
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default:
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BIO_printf(out, "Unprocessed type %d\n", it->itype);
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return 0;
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}
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}
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int ASN1_template_print(BIO *out, void *fld, int indent, const ASN1_TEMPLATE *tt)
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{
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int i, flags;
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#if 0
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if(!fld) return 0;
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#endif
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flags = tt->flags;
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if(flags & ASN1_TFLG_SK_MASK) {
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char *tname;
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void *skitem;
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/* SET OF, SEQUENCE OF */
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if(flags & ASN1_TFLG_SET_OF) tname = "SET";
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else tname = "SEQUENCE";
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if(fld) {
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BIO_printf(out, "%*s%s OF %s {\n", indent, "", tname, tt->field_name);
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for(i = 0; i < sk_num(fld); i++) {
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skitem = sk_value(fld, i);
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asn1_item_print_nm(out, skitem, indent + 2, tt->item, "");
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}
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BIO_printf(out, "%*s}\n", indent, "");
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} else
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BIO_printf(out, "%*s%s OF %s ABSENT\n", indent, "", tname, tt->field_name);
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return 1;
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}
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return asn1_item_print_nm(out, fld, indent, tt->item, tt->field_name);
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}
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static int asn1_primitive_print(BIO *out, void *fld, long utype, int indent, const char *name)
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{
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ASN1_STRING *str = fld;
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if(fld) {
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if(utype == V_ASN1_BOOLEAN) {
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int *bool = fld;
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if(*bool == -1) printf("BOOL MISSING\n");
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BIO_printf(out, "%*s%s:%s", indent, "", "BOOLEAN", *bool ? "TRUE" : "FALSE");
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} else if((utype == V_ASN1_INTEGER)
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|| (utype == V_ASN1_ENUMERATED)) {
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char *s, *nm;
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s = i2s_ASN1_INTEGER(NULL, fld);
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if(utype == V_ASN1_INTEGER) nm = "INTEGER";
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else nm = "ENUMERATED";
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BIO_printf(out, "%*s%s:%s", indent, "", nm, s);
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OPENSSL_free(s);
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} else if(utype == V_ASN1_NULL) {
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BIO_printf(out, "%*s%s", indent, "", "NULL");
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} else if(utype == V_ASN1_UTCTIME) {
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BIO_printf(out, "%*s%s:%s:", indent, "", name, "UTCTIME");
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ASN1_UTCTIME_print(out, str);
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} else if(utype == V_ASN1_GENERALIZEDTIME) {
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BIO_printf(out, "%*s%s:%s:", indent, "", name, "GENERALIZEDTIME");
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ASN1_GENERALIZEDTIME_print(out, str);
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} else if(utype == V_ASN1_OBJECT) {
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char objbuf[80], *ln;
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ln = OBJ_nid2ln(OBJ_obj2nid(fld));
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if(!ln) ln = "";
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OBJ_obj2txt(objbuf, sizeof objbuf, fld, 1);
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BIO_printf(out, "%*s%s:%s (%s)", indent, "", "OBJECT", ln, objbuf);
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} else {
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BIO_printf(out, "%*s%s:", indent, "", name);
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ASN1_STRING_print_ex(out, str, ASN1_STRFLGS_DUMP_UNKNOWN|ASN1_STRFLGS_SHOW_TYPE);
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}
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BIO_printf(out, "\n");
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} else BIO_printf(out, "%*s%s [ABSENT]\n", indent, "", name);
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if (BIO_puts(out, "\n") <= 0)
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return 0;
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return 1;
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}
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}
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int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx)
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{
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int i, flags;
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flags = tt->flags;
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if(flags & ASN1_TFLG_SK_MASK)
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{
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char *tname;
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ASN1_VALUE *skitem;
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/* SET OF, SEQUENCE OF */
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if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
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{
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if(flags & ASN1_TFLG_SET_OF)
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tname = "SET";
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else
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tname = "SEQUENCE";
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if (BIO_printf(out, "%*s%s OF %s {\n",
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indent, "", tname, tt->field_name) <= 0)
|
||||
return 0;
|
||||
}
|
||||
else if (BIO_printf(out, "%*s%s:\n", indent, "",
|
||||
tt->field_name) <= 0)
|
||||
return 0;
|
||||
for(i = 0; i < sk_num((STACK *)*fld); i++)
|
||||
{
|
||||
if (BIO_printf(out, "%*s", indent + 2, "") <= 0)
|
||||
return 0;
|
||||
skitem = (ASN1_VALUE *)sk_value((STACK *)*fld, i);
|
||||
if (!asn1_item_print_ctx(out, &skitem, indent + 2,
|
||||
tt->item, pctx))
|
||||
return 0;
|
||||
}
|
||||
if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE)
|
||||
{
|
||||
if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
else if (BIO_printf(out, "%*s%s:", indent, "", tt->field_name) <= 0)
|
||||
return 0;
|
||||
return asn1_item_print_ctx(out, fld, indent, tt->item, pctx);
|
||||
}
|
||||
|
||||
int asn1_print_fsname(BIO *out, int indent,
|
||||
const char *fname, const char *sname,
|
||||
const ASN1_PCTX *pctx)
|
||||
{
|
||||
static char spaces[] = " ";
|
||||
const int nspaces = sizeof(spaces) - 1;
|
||||
while (indent > nspaces)
|
||||
{
|
||||
if (BIO_write(out, spaces, nspaces) != nspaces)
|
||||
return 0;
|
||||
indent -= nspaces;
|
||||
}
|
||||
if (BIO_write(out, spaces, indent) != indent)
|
||||
return 0;
|
||||
if (!(pctx->flags &
|
||||
(ASN1_PCTX_FLAGS_NO_FIELD_NAME|ASN1_PCTX_FLAGS_NO_STRUCT_NAME)))
|
||||
return 1;
|
||||
if (fname && !(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME))
|
||||
{
|
||||
if (BIO_puts(out, fname) <= 0)
|
||||
return 0;
|
||||
}
|
||||
if (sname && !(pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME))
|
||||
{
|
||||
if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
|
||||
{
|
||||
if (BIO_puts(out, sname) <= 0)
|
||||
return 0;
|
||||
}
|
||||
else if (BIO_printf(out, " (%s)", sname) <= 0)
|
||||
return 0;
|
||||
}
|
||||
if (BIO_write(out, ":", 1) != 1)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int asn1_print_boolean_ctx(BIO *out, const int bool, const ASN1_PCTX *pctx)
|
||||
{
|
||||
const char *str;
|
||||
switch (bool)
|
||||
{
|
||||
case -1:
|
||||
str = "BOOL ABSENT";
|
||||
break;
|
||||
|
||||
case 0:
|
||||
str = "FALSE";
|
||||
break;
|
||||
|
||||
default:
|
||||
str = "TRUE";
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
if (BIO_puts(out, str) <= 0)
|
||||
return 0;
|
||||
return 1;
|
||||
|
||||
}
|
||||
|
||||
static int asn1_print_integer_ctx(BIO *out, ASN1_INTEGER *str,
|
||||
const ASN1_PCTX *pctx)
|
||||
{
|
||||
char *s;
|
||||
int ret = 1;
|
||||
s = i2s_ASN1_INTEGER(NULL, str);
|
||||
if (BIO_printf(out, "%s", s) <= 0)
|
||||
ret = 0;
|
||||
OPENSSL_free(s);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int asn1_print_oid_ctx(BIO *out, const ASN1_OBJECT *oid,
|
||||
const ASN1_PCTX *pctx)
|
||||
{
|
||||
char objbuf[80];
|
||||
const char *ln;
|
||||
ln = OBJ_nid2ln(OBJ_obj2nid(oid));
|
||||
if(!ln)
|
||||
ln = "";
|
||||
OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1);
|
||||
if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int asn1_print_obstring_ctx(BIO *out, ASN1_STRING *str, int indent,
|
||||
const ASN1_PCTX *pctx)
|
||||
{
|
||||
if (str->type == V_ASN1_BIT_STRING)
|
||||
{
|
||||
if (BIO_printf(out, " (%ld unused bits)\n",
|
||||
str->flags & 0x7) <= 0)
|
||||
return 0;
|
||||
}
|
||||
else if (BIO_puts(out, "\n") <= 0)
|
||||
return 0;
|
||||
if (BIO_dump_indent(out, (char *)str->data, str->length,
|
||||
indent + 2) <= 0)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
|
||||
const ASN1_ITEM *it, int indent,
|
||||
const ASN1_PCTX *pctx)
|
||||
{
|
||||
long utype;
|
||||
ASN1_STRING *str;
|
||||
int ret = 1;
|
||||
str = (ASN1_STRING *)*fld;
|
||||
if (it->itype == ASN1_ITYPE_MSTRING)
|
||||
utype = str->type & ~V_ASN1_NEG;
|
||||
else
|
||||
utype = it->utype;
|
||||
if (utype == V_ASN1_ANY)
|
||||
{
|
||||
ASN1_TYPE *atype = (ASN1_TYPE *)*fld;
|
||||
utype = atype->type;
|
||||
fld = (ASN1_VALUE **)&atype->value.ptr;
|
||||
str = (ASN1_STRING *)*fld;
|
||||
}
|
||||
if (BIO_puts(out, ASN1_tag2str(utype)) <= 0)
|
||||
return 0;
|
||||
if (utype != V_ASN1_NULL && BIO_puts(out, ":") <= 0)
|
||||
return 0;
|
||||
|
||||
switch (utype)
|
||||
{
|
||||
case V_ASN1_BOOLEAN:
|
||||
{
|
||||
int bool = *(int *)fld;
|
||||
if (bool == -1)
|
||||
bool = it->size;
|
||||
ret = asn1_print_boolean_ctx(out, bool, pctx);
|
||||
}
|
||||
break;
|
||||
|
||||
case V_ASN1_INTEGER:
|
||||
case V_ASN1_ENUMERATED:
|
||||
ret = asn1_print_integer_ctx(out, str, pctx);
|
||||
break;
|
||||
|
||||
case V_ASN1_NULL:
|
||||
break;
|
||||
|
||||
case V_ASN1_UTCTIME:
|
||||
ret = ASN1_UTCTIME_print(out, str);
|
||||
break;
|
||||
|
||||
case V_ASN1_GENERALIZEDTIME:
|
||||
ret = ASN1_GENERALIZEDTIME_print(out, str);
|
||||
break;
|
||||
|
||||
case V_ASN1_OBJECT:
|
||||
ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT *)*fld, pctx);
|
||||
break;
|
||||
|
||||
case V_ASN1_OCTET_STRING:
|
||||
case V_ASN1_BIT_STRING:
|
||||
ret = asn1_print_obstring_ctx(out, str, indent, pctx);
|
||||
break;
|
||||
|
||||
case V_ASN1_SEQUENCE:
|
||||
case V_ASN1_SET:
|
||||
if (ASN1_parse_dump(out, str->data, str->length,
|
||||
indent, 0) <= 0)
|
||||
ret = 0;
|
||||
break;
|
||||
|
||||
default:
|
||||
ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);
|
||||
|
||||
}
|
||||
if (!ret)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue