--- /dev/null
+/* v3_prn.c */
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 1999.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com). */
+
+/* X509 v3 extension utilities */
+
+#include <stdio.h>
+
+#include <openssl/bio.h>
+#include <openssl/conf.h>
+#include <openssl/mem.h>
+#include <openssl/x509v3.h>
+
+/* Extension printing routines */
+
+static int unknown_ext_print(BIO *out, X509_EXTENSION *ext,
+ unsigned long flag, int indent, int supported);
+
+/* Print out a name+value stack */
+
+void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent,
+ int ml)
+{
+ size_t i;
+ CONF_VALUE *nval;
+ if (!val)
+ return;
+ if (!ml || !sk_CONF_VALUE_num(val)) {
+ BIO_printf(out, "%*s", indent, "");
+ if (!sk_CONF_VALUE_num(val))
+ BIO_puts(out, "<EMPTY>\n");
+ }
+ for (i = 0; i < sk_CONF_VALUE_num(val); i++) {
+ if (ml)
+ BIO_printf(out, "%*s", indent, "");
+ else if (i > 0)
+ BIO_printf(out, ", ");
+ nval = sk_CONF_VALUE_value(val, i);
+ if (!nval->name)
+ BIO_puts(out, nval->value);
+ else if (!nval->value)
+ BIO_puts(out, nval->name);
+ else
+ BIO_printf(out, "%s:%s", nval->name, nval->value);
+ if (ml)
+ BIO_puts(out, "\n");
+ }
+}
+
+/* Main routine: print out a general extension */
+
+int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag,
+ int indent)
+{
+ void *ext_str = NULL;
+ char *value = NULL;
+ const unsigned char *p;
+ const X509V3_EXT_METHOD *method;
+ STACK_OF(CONF_VALUE) *nval = NULL;
+ int ok = 1;
+
+ if (!(method = X509V3_EXT_get(ext)))
+ return unknown_ext_print(out, ext, flag, indent, 0);
+ p = ext->value->data;
+ if (method->it)
+ ext_str =
+ ASN1_item_d2i(NULL, &p, ext->value->length,
+ ASN1_ITEM_ptr(method->it));
+ else
+ ext_str = method->d2i(NULL, &p, ext->value->length);
+
+ if (!ext_str)
+ return unknown_ext_print(out, ext, flag, indent, 1);
+
+ if (method->i2s) {
+ if (!(value = method->i2s(method, ext_str))) {
+ ok = 0;
+ goto err;
+ }
+ BIO_printf(out, "%*s%s", indent, "", value);
+ } else if (method->i2v) {
+ if (!(nval = method->i2v(method, ext_str, NULL))) {
+ ok = 0;
+ goto err;
+ }
+ X509V3_EXT_val_prn(out, nval, indent,
+ method->ext_flags & X509V3_EXT_MULTILINE);
+ } else if (method->i2r) {
+ if (!method->i2r(method, ext_str, out, indent))
+ ok = 0;
+ } else
+ ok = 0;
+
+ err:
+ sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
+ if (value)
+ OPENSSL_free(value);
+ if (method->it)
+ ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
+ else
+ method->ext_free(ext_str);
+ return ok;
+}
+
+int X509V3_extensions_print(BIO *bp, const char *title,
+ STACK_OF(X509_EXTENSION) *exts,
+ unsigned long flag, int indent)
+{
+ size_t i;
+ int j;
+
+ if (sk_X509_EXTENSION_num(exts) <= 0)
+ return 1;
+
+ if (title) {
+ BIO_printf(bp, "%*s%s:\n", indent, "", title);
+ indent += 4;
+ }
+
+ for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
+ ASN1_OBJECT *obj;
+ X509_EXTENSION *ex;
+ ex = sk_X509_EXTENSION_value(exts, i);
+ if (indent && BIO_printf(bp, "%*s", indent, "") <= 0)
+ return 0;
+ obj = X509_EXTENSION_get_object(ex);
+ i2a_ASN1_OBJECT(bp, obj);
+ j = X509_EXTENSION_get_critical(ex);
+ if (BIO_printf(bp, ": %s\n", j ? "critical" : "") <= 0)
+ return 0;
+ if (!X509V3_EXT_print(bp, ex, flag, indent + 4)) {
+ BIO_printf(bp, "%*s", indent + 4, "");
+ M_ASN1_OCTET_STRING_print(bp, ex->value);
+ }
+ if (BIO_write(bp, "\n", 1) <= 0)
+ return 0;
+ }
+ return 1;
+}
+
+static int unknown_ext_print(BIO *out, X509_EXTENSION *ext,
+ unsigned long flag, int indent, int supported)
+{
+ switch (flag & X509V3_EXT_UNKNOWN_MASK) {
+
+ case X509V3_EXT_DEFAULT:
+ return 0;
+
+ case X509V3_EXT_ERROR_UNKNOWN:
+ if (supported)
+ BIO_printf(out, "%*s<Parse Error>", indent, "");
+ else
+ BIO_printf(out, "%*s<Not Supported>", indent, "");
+ return 1;
+
+ case X509V3_EXT_PARSE_UNKNOWN:
+ case X509V3_EXT_DUMP_UNKNOWN:
+ return BIO_hexdump(out, ext->value->data, ext->value->length, indent);
+
+ default:
+ return 1;
+ }
+}
+
+#ifndef OPENSSL_NO_FP_API
+int X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
+{
+ BIO *bio_tmp;
+ int ret;
+ if (!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE)))
+ return 0;
+ ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);
+ BIO_free(bio_tmp);
+ return ret;
+}
+#endif
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