2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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, int indent, int supported);
69 /* Print out a name+value stack */
71 void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
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");
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);
90 char tmp[10240]; /* 10k is BIO_printf's limit anyway */
91 ascii2ebcdic(tmp, nval->value, strlen(nval->value)+1);
92 BIO_printf(out, "%s:%s", nval->name, tmp);
95 if(ml) BIO_puts(out, "\n");
99 /* Main routine: print out a general extension */
101 int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent)
103 void *ext_str = NULL;
106 X509V3_EXT_METHOD *method;
107 STACK_OF(CONF_VALUE) *nval = NULL;
109 if(!(method = X509V3_EXT_get(ext)))
110 return unknown_ext_print(out, ext, flag, indent, 0);
111 p = ext->value->data;
112 if(method->it) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, method->it);
113 else ext_str = method->d2i(NULL, &p, ext->value->length);
115 if(!ext_str) unknown_ext_print(out, ext, flag, indent, 1);
118 if(!(value = method->i2s(method, ext_str))) {
122 #ifndef CHARSET_EBCDIC
123 BIO_printf(out, "%*s%s", indent, "", value);
126 char tmp[10240]; /* 10k is BIO_printf's limit anyway */
127 ascii2ebcdic(tmp, value, strlen(value)+1);
128 BIO_printf(out, "%*s%s", indent, "", tmp);
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)) ok = 0;
143 sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
144 if(value) OPENSSL_free(value);
145 if(method->it) ASN1_item_free(ext_str, method->it);
146 else method->ext_free(ext_str);
150 int X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent)
154 if(sk_X509_EXTENSION_num(exts) <= 0) return 1;
158 BIO_printf(bp,"%*s%s:\n",indent, "", title);
162 for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
166 ex=sk_X509_EXTENSION_value(exts, i);
167 if (BIO_printf(bp,"%*s",indent, "") <= 0) return 0;
168 obj=X509_EXTENSION_get_object(ex);
169 i2a_ASN1_OBJECT(bp,obj);
170 j=X509_EXTENSION_get_critical(ex);
171 if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0)
173 if(!X509V3_EXT_print(bp, ex, flag, 12))
175 BIO_printf(bp, "%*s", indent + 4, "");
176 M_ASN1_OCTET_STRING_print(bp,ex->value);
178 if (BIO_write(bp,"\n",1) <= 0) return 0;
183 static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported)
185 switch(flag & X509V3_EXT_UNKNOWN_MASK) {
187 case X509V3_EXT_DEFAULT:
190 case X509V3_EXT_ERROR_UNKNOWN:
192 BIO_printf(out, "%*s<Parse Error>", indent, "");
194 BIO_printf(out, "%*s<Not Supported>", indent, "");
197 case X509V3_EXT_PARSE_UNKNOWN:
198 return ASN1_parse_dump(out,
199 ext->value->data, ext->value->length, indent, -1);
200 case X509V3_EXT_DUMP_UNKNOWN:
201 return BIO_dump_indent(out, (char *)ext->value->data, ext->value->length, indent);
210 int X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
214 if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0;
215 ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);