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 70static int asn1_item_print_nm(BIO *out, void *fld, int indent, const ASN1_ITEM *it, const char *name); 71 72int 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 77static 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 134int 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 161static 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; 167if(*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} 199