ssl/libcrypto/src/crypto/asn1/tasn_prn.c
changeset 0 e4d67989cc36
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     1 /* tasn_prn.c */
       
     2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
       
     3  * project 2000.
       
     4  */
       
     5 /* ====================================================================
       
     6  * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
       
     7  *
       
     8  * Redistribution and use in source and binary forms, with or without
       
     9  * modification, are permitted provided that the following conditions
       
    10  * are met:
       
    11  *
       
    12  * 1. Redistributions of source code must retain the above copyright
       
    13  *    notice, this list of conditions and the following disclaimer. 
       
    14  *
       
    15  * 2. Redistributions in binary form must reproduce the above copyright
       
    16  *    notice, this list of conditions and the following disclaimer in
       
    17  *    the documentation and/or other materials provided with the
       
    18  *    distribution.
       
    19  *
       
    20  * 3. All advertising materials mentioning features or use of this
       
    21  *    software must display the following acknowledgment:
       
    22  *    "This product includes software developed by the OpenSSL Project
       
    23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
       
    24  *
       
    25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
       
    26  *    endorse or promote products derived from this software without
       
    27  *    prior written permission. For written permission, please contact
       
    28  *    licensing@OpenSSL.org.
       
    29  *
       
    30  * 5. Products derived from this software may not be called "OpenSSL"
       
    31  *    nor may "OpenSSL" appear in their names without prior written
       
    32  *    permission of the OpenSSL Project.
       
    33  *
       
    34  * 6. Redistributions of any form whatsoever must retain the following
       
    35  *    acknowledgment:
       
    36  *    "This product includes software developed by the OpenSSL Project
       
    37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
       
    38  *
       
    39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
       
    40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
       
    42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
       
    43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
       
    44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
       
    45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
       
    46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
       
    48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
       
    49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
       
    50  * OF THE POSSIBILITY OF SUCH DAMAGE.
       
    51  * ====================================================================
       
    52  *
       
    53  * This product includes cryptographic software written by Eric Young
       
    54  * (eay@cryptsoft.com).  This product includes software written by Tim
       
    55  * Hudson (tjh@cryptsoft.com).
       
    56  *
       
    57  */
       
    58 
       
    59 
       
    60 #include <stddef.h>
       
    61 #include <openssl/asn1.h>
       
    62 #include <openssl/objects.h>
       
    63 #include <openssl/buffer.h>
       
    64 #include <openssl/err.h>
       
    65 #include <openssl/nasn.h>
       
    66 
       
    67 /* Print routines. Print out a whole structure from a template.
       
    68  */
       
    69 
       
    70 static int asn1_item_print_nm(BIO *out, void *fld, int indent, const ASN1_ITEM *it, const char *name);
       
    71 
       
    72 int ASN1_item_print(BIO *out, void *fld, int indent, const ASN1_ITEM *it)
       
    73 {
       
    74 	return asn1_item_print_nm(out, fld, indent, it, it->sname);
       
    75 }
       
    76 
       
    77 static int asn1_item_print_nm(BIO *out, void *fld, int indent, const ASN1_ITEM *it, const char *name)
       
    78 {
       
    79 	ASN1_STRING *str;
       
    80 	const ASN1_TEMPLATE *tt;
       
    81 	void *tmpfld;
       
    82 	int i;
       
    83 	if(!fld) {
       
    84 		BIO_printf(out, "%*s%s ABSENT\n", indent, "", name);
       
    85 		return 1;
       
    86 	}
       
    87 	switch(it->itype) {
       
    88 
       
    89 		case ASN1_ITYPE_PRIMITIVE:
       
    90 		if(it->templates)
       
    91 			return ASN1_template_print(out, fld, indent, it->templates);
       
    92 		return asn1_primitive_print(out, fld, it->utype, indent, name);
       
    93 		break;
       
    94 
       
    95 		case ASN1_ITYPE_MSTRING:
       
    96 		str = fld;
       
    97 		return asn1_primitive_print(out, fld, str->type, indent, name);
       
    98 
       
    99 		case ASN1_ITYPE_EXTERN:
       
   100 		BIO_printf(out, "%*s%s:EXTERNAL TYPE %s %s\n", indent, "", name, it->sname, fld ? "" : "ABSENT");
       
   101 		return 1;
       
   102 		case ASN1_ITYPE_COMPAT:
       
   103 		BIO_printf(out, "%*s%s:COMPATIBLE TYPE %s %s\n", indent, "", name, it->sname, fld ? "" : "ABSENT");
       
   104 		return 1;
       
   105 
       
   106 
       
   107 		case ASN1_ITYPE_CHOICE:
       
   108 		/* CHOICE type, get selector */
       
   109 		i = asn1_get_choice_selector(fld, it);
       
   110 		/* This should never happen... */
       
   111 		if((i < 0) || (i >= it->tcount)) {
       
   112 			BIO_printf(out, "%s selector [%d] out of range\n", it->sname, i);
       
   113 			return 1;
       
   114 		}
       
   115 		tt = it->templates + i;
       
   116 		tmpfld = asn1_get_field(fld, tt);
       
   117 		return ASN1_template_print(out, tmpfld, indent, tt);
       
   118 
       
   119 		case ASN1_ITYPE_SEQUENCE:
       
   120 		BIO_printf(out, "%*s%s {\n", indent, "", name);
       
   121 		/* Get each field entry */
       
   122 		for(i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
       
   123 			tmpfld = asn1_get_field(fld, tt);
       
   124 			ASN1_template_print(out, tmpfld, indent + 2, tt);
       
   125 		}
       
   126 		BIO_printf(out, "%*s}\n", indent, "");
       
   127 		return 1;
       
   128 
       
   129 		default:
       
   130 		return 0;
       
   131 	}
       
   132 }
       
   133 
       
   134 int ASN1_template_print(BIO *out, void *fld, int indent, const ASN1_TEMPLATE *tt)
       
   135 {
       
   136 	int i, flags;
       
   137 #if 0
       
   138 	if(!fld) return 0; 
       
   139 #endif
       
   140 	flags = tt->flags;
       
   141 	if(flags & ASN1_TFLG_SK_MASK) {
       
   142 		char *tname;
       
   143 		void *skitem;
       
   144 		/* SET OF, SEQUENCE OF */
       
   145 		if(flags & ASN1_TFLG_SET_OF) tname = "SET";
       
   146 		else tname = "SEQUENCE";
       
   147 		if(fld) {
       
   148 			BIO_printf(out, "%*s%s OF %s {\n", indent, "", tname, tt->field_name);
       
   149 			for(i = 0; i < sk_num(fld); i++) {
       
   150 				skitem = sk_value(fld, i);
       
   151 				asn1_item_print_nm(out, skitem, indent + 2, tt->item, "");
       
   152 			}
       
   153 			BIO_printf(out, "%*s}\n", indent, "");
       
   154 		} else 
       
   155 			BIO_printf(out, "%*s%s OF %s ABSENT\n", indent, "", tname, tt->field_name);
       
   156 		return 1;
       
   157 	}
       
   158 	return asn1_item_print_nm(out, fld, indent, tt->item, tt->field_name);
       
   159 }
       
   160 
       
   161 static int asn1_primitive_print(BIO *out, void *fld, long utype, int indent, const char *name)
       
   162 {
       
   163 	ASN1_STRING *str = fld;
       
   164 	if(fld) {
       
   165 		if(utype == V_ASN1_BOOLEAN) {
       
   166 			int *bool = fld;
       
   167 if(*bool == -1) printf("BOOL MISSING\n");
       
   168 			BIO_printf(out, "%*s%s:%s", indent, "", "BOOLEAN", *bool ? "TRUE" : "FALSE");
       
   169 		} else if((utype == V_ASN1_INTEGER) 
       
   170 			  || (utype == V_ASN1_ENUMERATED)) {
       
   171 			char *s, *nm;
       
   172 			s = i2s_ASN1_INTEGER(NULL, fld);
       
   173 			if(utype == V_ASN1_INTEGER) nm = "INTEGER";
       
   174 			else nm = "ENUMERATED";
       
   175 			BIO_printf(out, "%*s%s:%s", indent, "", nm, s);
       
   176 			OPENSSL_free(s);
       
   177 		} else if(utype == V_ASN1_NULL) {
       
   178 			BIO_printf(out, "%*s%s", indent, "", "NULL");
       
   179 		} else if(utype == V_ASN1_UTCTIME) {
       
   180 			BIO_printf(out, "%*s%s:%s:", indent, "", name, "UTCTIME");
       
   181 			ASN1_UTCTIME_print(out, str);
       
   182 		} else if(utype == V_ASN1_GENERALIZEDTIME) {
       
   183 			BIO_printf(out, "%*s%s:%s:", indent, "", name, "GENERALIZEDTIME");
       
   184 			ASN1_GENERALIZEDTIME_print(out, str);
       
   185 		} else if(utype == V_ASN1_OBJECT) {
       
   186 			char objbuf[80], *ln;
       
   187 			ln = OBJ_nid2ln(OBJ_obj2nid(fld));
       
   188 			if(!ln) ln = "";
       
   189 			OBJ_obj2txt(objbuf, sizeof objbuf, fld, 1);
       
   190 			BIO_printf(out, "%*s%s:%s (%s)", indent, "", "OBJECT", ln, objbuf);
       
   191 		} else {
       
   192 			BIO_printf(out, "%*s%s:", indent, "", name);
       
   193 			ASN1_STRING_print_ex(out, str, ASN1_STRFLGS_DUMP_UNKNOWN|ASN1_STRFLGS_SHOW_TYPE);
       
   194 		}
       
   195 		BIO_printf(out, "\n");
       
   196 	} else BIO_printf(out, "%*s%s [ABSENT]\n", indent, "", name);
       
   197 	return 1;
       
   198 }