198 lines
6.8 KiB
C
198 lines
6.8 KiB
C
/* tasn_prn.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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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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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stddef.h>
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#include <openssl/asn1.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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/* Print routines. Print out a whole structure from a template.
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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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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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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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}
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switch(it->itype) {
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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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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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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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return 1;
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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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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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default:
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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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return 1;
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}
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