1 /* $OpenBSD: v3_prn.c,v 1.17 2014/07/11 08:44:49 jsing Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
58 /* X509 v3 extension utilities */
62 #include <openssl/conf.h>
63 #include <openssl/x509v3.h>
65 /* Extension printing routines */
67 static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag,
68 int indent, int supported);
70 /* Print out a name+value stack */
73 X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
80 if (!ml || !sk_CONF_VALUE_num(val)) {
81 BIO_printf(out, "%*s", indent, "");
82 if (!sk_CONF_VALUE_num(val))
83 BIO_puts(out, "<EMPTY>\n");
85 for (i = 0; i < sk_CONF_VALUE_num(val); i++) {
87 BIO_printf(out, "%*s", indent, "");
88 else if (i > 0) BIO_printf(out, ", ");
89 nval = sk_CONF_VALUE_value(val, i);
91 BIO_puts(out, nval->value);
92 else if (!nval->value)
93 BIO_puts(out, nval->name);
95 BIO_printf(out, "%s:%s", nval->name, nval->value);
101 /* Main routine: print out a general extension */
104 X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent)
106 void *ext_str = NULL;
108 const unsigned char *p;
109 const X509V3_EXT_METHOD *method;
110 STACK_OF(CONF_VALUE) *nval = NULL;
113 if (!(method = X509V3_EXT_get(ext)))
114 return unknown_ext_print(out, ext, flag, indent, 0);
115 p = ext->value->data;
117 ext_str = ASN1_item_d2i(NULL, &p, ext->value->length,
118 ASN1_ITEM_ptr(method->it));
120 ext_str = method->d2i(NULL, &p, ext->value->length);
123 return unknown_ext_print(out, ext, flag, indent, 1);
126 if (!(value = method->i2s(method, ext_str))) {
130 BIO_printf(out, "%*s%s", indent, "", value);
131 } else if (method->i2v) {
132 if (!(nval = method->i2v(method, ext_str, NULL))) {
136 X509V3_EXT_val_prn(out, nval, indent,
137 method->ext_flags & X509V3_EXT_MULTILINE);
138 } else if (method->i2r) {
139 if (!method->i2r(method, ext_str, out, indent))
145 sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
148 ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
150 method->ext_free(ext_str);
155 X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts,
156 unsigned long flag, int indent)
160 if (sk_X509_EXTENSION_num(exts) <= 0)
164 BIO_printf(bp, "%*s%s:\n",indent, "", title);
168 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
171 ex = sk_X509_EXTENSION_value(exts, i);
172 if (indent && BIO_printf(bp, "%*s",indent, "") <= 0)
174 obj = X509_EXTENSION_get_object(ex);
175 i2a_ASN1_OBJECT(bp, obj);
176 j = X509_EXTENSION_get_critical(ex);
177 if (BIO_printf(bp, ": %s\n",j?"critical":"") <= 0)
179 if (!X509V3_EXT_print(bp, ex, flag, indent + 4)) {
180 BIO_printf(bp, "%*s", indent + 4, "");
181 ASN1_STRING_print(bp, ex->value);
183 if (BIO_write(bp, "\n",1) <= 0)
190 unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag,
191 int indent, int supported)
193 switch (flag & X509V3_EXT_UNKNOWN_MASK) {
194 case X509V3_EXT_DEFAULT:
196 case X509V3_EXT_ERROR_UNKNOWN:
198 BIO_printf(out, "%*s<Parse Error>", indent, "");
200 BIO_printf(out, "%*s<Not Supported>", indent, "");
202 case X509V3_EXT_PARSE_UNKNOWN:
203 return ASN1_parse_dump(out,
204 ext->value->data, ext->value->length, indent, -1);
205 case X509V3_EXT_DUMP_UNKNOWN:
206 return BIO_dump_indent(out, (char *)ext->value->data,
207 ext->value->length, indent);
215 X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
220 if (!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE)))
222 ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);