Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* v3_prn.c */ |
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
| 3 | * project 1999. |
| 4 | */ |
| 5 | /* ==================================================================== |
| 6 | * Copyright (c) 1999 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 | /* X509 v3 extension utilities */ |
| 59 | |
| 60 | #include <stdio.h> |
| 61 | #include "cryptlib.h" |
| 62 | #include <openssl/conf.h> |
| 63 | #include <openssl/x509v3.h> |
| 64 | |
| 65 | /* Extension printing routines */ |
| 66 | |
| 67 | static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported); |
| 68 | |
| 69 | /* Print out a name+value stack */ |
| 70 | |
| 71 | void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml) |
| 72 | { |
| 73 | int i; |
| 74 | CONF_VALUE *nval; |
| 75 | if(!val) return; |
| 76 | if(!ml || !sk_CONF_VALUE_num(val)) { |
| 77 | BIO_printf(out, "%*s", indent, ""); |
| 78 | if(!sk_CONF_VALUE_num(val)) BIO_puts(out, "<EMPTY>\n"); |
| 79 | } |
| 80 | for(i = 0; i < sk_CONF_VALUE_num(val); i++) { |
| 81 | if(ml) BIO_printf(out, "%*s", indent, ""); |
| 82 | else if(i > 0) BIO_printf(out, ", "); |
| 83 | nval = sk_CONF_VALUE_value(val, i); |
| 84 | if(!nval->name) BIO_puts(out, nval->value); |
| 85 | else if(!nval->value) BIO_puts(out, nval->name); |
| 86 | #ifndef CHARSET_EBCDIC |
| 87 | else BIO_printf(out, "%s:%s", nval->name, nval->value); |
| 88 | #else |
| 89 | else { |
| 90 | int len; |
| 91 | char *tmp; |
| 92 | len = strlen(nval->value)+1; |
| 93 | tmp = OPENSSL_malloc(len); |
| 94 | if (tmp) |
| 95 | { |
| 96 | ascii2ebcdic(tmp, nval->value, len); |
| 97 | BIO_printf(out, "%s:%s", nval->name, tmp); |
| 98 | OPENSSL_free(tmp); |
| 99 | } |
| 100 | } |
| 101 | #endif |
| 102 | if(ml) BIO_puts(out, "\n"); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | /* Main routine: print out a general extension */ |
| 107 | |
| 108 | int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent) |
| 109 | { |
| 110 | void *ext_str = NULL; |
| 111 | char *value = NULL; |
| 112 | const unsigned char *p; |
| 113 | const X509V3_EXT_METHOD *method; |
| 114 | STACK_OF(CONF_VALUE) *nval = NULL; |
| 115 | int ok = 1; |
| 116 | |
| 117 | if(!(method = X509V3_EXT_get(ext))) |
| 118 | return unknown_ext_print(out, ext, flag, indent, 0); |
| 119 | p = ext->value->data; |
| 120 | if(method->it) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it)); |
| 121 | else ext_str = method->d2i(NULL, &p, ext->value->length); |
| 122 | |
| 123 | if(!ext_str) return unknown_ext_print(out, ext, flag, indent, 1); |
| 124 | |
| 125 | if(method->i2s) { |
| 126 | if(!(value = method->i2s(method, ext_str))) { |
| 127 | ok = 0; |
| 128 | goto err; |
| 129 | } |
| 130 | #ifndef CHARSET_EBCDIC |
| 131 | BIO_printf(out, "%*s%s", indent, "", value); |
| 132 | #else |
| 133 | { |
| 134 | int len; |
| 135 | char *tmp; |
| 136 | len = strlen(value)+1; |
| 137 | tmp = OPENSSL_malloc(len); |
| 138 | if (tmp) |
| 139 | { |
| 140 | ascii2ebcdic(tmp, value, len); |
| 141 | BIO_printf(out, "%*s%s", indent, "", tmp); |
| 142 | OPENSSL_free(tmp); |
| 143 | } |
| 144 | } |
| 145 | #endif |
| 146 | } else if(method->i2v) { |
| 147 | if(!(nval = method->i2v(method, ext_str, NULL))) { |
| 148 | ok = 0; |
| 149 | goto err; |
| 150 | } |
| 151 | X509V3_EXT_val_prn(out, nval, indent, |
| 152 | method->ext_flags & X509V3_EXT_MULTILINE); |
| 153 | } else if(method->i2r) { |
| 154 | if(!method->i2r(method, ext_str, out, indent)) ok = 0; |
| 155 | } else ok = 0; |
| 156 | |
| 157 | err: |
| 158 | sk_CONF_VALUE_pop_free(nval, X509V3_conf_free); |
| 159 | if(value) OPENSSL_free(value); |
| 160 | if(method->it) ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it)); |
| 161 | else method->ext_free(ext_str); |
| 162 | return ok; |
| 163 | } |
| 164 | |
| 165 | int X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent) |
| 166 | { |
| 167 | int i, j; |
| 168 | |
| 169 | if(sk_X509_EXTENSION_num(exts) <= 0) return 1; |
| 170 | |
| 171 | if(title) |
| 172 | { |
| 173 | BIO_printf(bp,"%*s%s:\n",indent, "", title); |
| 174 | indent += 4; |
| 175 | } |
| 176 | |
| 177 | for (i=0; i<sk_X509_EXTENSION_num(exts); i++) |
| 178 | { |
| 179 | ASN1_OBJECT *obj; |
| 180 | X509_EXTENSION *ex; |
| 181 | ex=sk_X509_EXTENSION_value(exts, i); |
| 182 | if (indent && BIO_printf(bp,"%*s",indent, "") <= 0) return 0; |
| 183 | obj=X509_EXTENSION_get_object(ex); |
| 184 | i2a_ASN1_OBJECT(bp,obj); |
| 185 | j=X509_EXTENSION_get_critical(ex); |
| 186 | if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0) |
| 187 | return 0; |
| 188 | if(!X509V3_EXT_print(bp, ex, flag, indent + 4)) |
| 189 | { |
| 190 | BIO_printf(bp, "%*s", indent + 4, ""); |
| 191 | M_ASN1_OCTET_STRING_print(bp,ex->value); |
| 192 | } |
| 193 | if (BIO_write(bp,"\n",1) <= 0) return 0; |
| 194 | } |
| 195 | return 1; |
| 196 | } |
| 197 | |
| 198 | static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported) |
| 199 | { |
| 200 | switch(flag & X509V3_EXT_UNKNOWN_MASK) { |
| 201 | |
| 202 | case X509V3_EXT_DEFAULT: |
| 203 | return 0; |
| 204 | |
| 205 | case X509V3_EXT_ERROR_UNKNOWN: |
| 206 | if(supported) |
| 207 | BIO_printf(out, "%*s<Parse Error>", indent, ""); |
| 208 | else |
| 209 | BIO_printf(out, "%*s<Not Supported>", indent, ""); |
| 210 | return 1; |
| 211 | |
| 212 | case X509V3_EXT_PARSE_UNKNOWN: |
| 213 | return ASN1_parse_dump(out, |
| 214 | ext->value->data, ext->value->length, indent, -1); |
| 215 | case X509V3_EXT_DUMP_UNKNOWN: |
| 216 | return BIO_dump_indent(out, (char *)ext->value->data, ext->value->length, indent); |
| 217 | |
| 218 | default: |
| 219 | return 1; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | |
| 224 | #ifndef OPENSSL_NO_FP_API |
| 225 | int X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent) |
| 226 | { |
| 227 | BIO *bio_tmp; |
| 228 | int ret; |
| 229 | if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0; |
| 230 | ret = X509V3_EXT_print(bio_tmp, ext, flag, indent); |
| 231 | BIO_free(bio_tmp); |
| 232 | return ret; |
| 233 | } |
| 234 | #endif |