Add OCSP nonce extension to supported extensions.

This is a little unusual because it can contain no
structure i.e. the extension OCTET STRING content
octets do not contain a DER encoded structure.

3 files changed, 138 insertions, 2 deletions

diff --git a/crypto/x509v3/Makefile.ssl b/crypto/x509v3/Makefile.ssl
index 0c59c84041..316f5ee8cc 100644
--- a/crypto/x509v3/Makefile.ssl
+++ b/crypto/x509v3/Makefile.ssl
@@ -24,10 +24,12 @@ APPS=
 LIB=$(TOP)/libcrypto.a
 LIBSRC=	v3_bcons.c v3_bitst.c v3_conf.c v3_extku.c v3_ia5.c \
 v3_lib.c v3_prn.c v3_utl.c v3err.c v3_genn.c v3_alt.c v3_skey.c v3_akey.c \
-v3_pku.c v3_int.c v3_enum.c v3_sxnet.c v3_cpols.c v3_crld.c v3_purp.c v3_info.c
+v3_pku.c v3_int.c v3_enum.c v3_sxnet.c v3_cpols.c v3_crld.c v3_purp.c v3_info.c \
+v3_nonce.c
 LIBOBJ= v3_bcons.o v3_bitst.o v3_conf.o v3_extku.o v3_ia5.o v3_lib.o \
 v3_prn.o v3_utl.o v3err.o v3_genn.o v3_alt.o v3_skey.o v3_akey.o v3_pku.o \
-v3_int.o v3_enum.o v3_sxnet.o v3_cpols.o v3_crld.o v3_purp.o v3_info.o
+v3_int.o v3_enum.o v3_sxnet.o v3_cpols.o v3_crld.o v3_purp.o v3_info.o \
+v3_nonce.o
 
 SRC= $(LIBSRC)
 
diff --git a/crypto/x509v3/ext_dat.h b/crypto/x509v3/ext_dat.h
index 801a585a52..edccd2249d 100644
--- a/crypto/x509v3/ext_dat.h
+++ b/crypto/x509v3/ext_dat.h
@@ -61,6 +61,7 @@ extern X509V3_EXT_METHOD v3_bcons, v3_nscert, v3_key_usage, v3_ext_ku;
 extern X509V3_EXT_METHOD v3_pkey_usage_period, v3_sxnet, v3_info;
 extern X509V3_EXT_METHOD v3_ns_ia5_list[], v3_alt[], v3_skey_id, v3_akey_id;
 extern X509V3_EXT_METHOD v3_crl_num, v3_crl_reason, v3_cpols, v3_crld;
+extern X509V3_EXT_METHOD v3_ocsp_nonce;
 
 /* This table will be searched using OBJ_bsearch so it *must* kept in
  * order of the ext_nid values.
@@ -89,6 +90,7 @@ static X509V3_EXT_METHOD *standard_exts[] = {
 &v3_crl_reason,
 &v3_sxnet,
 &v3_info,
+&v3_ocsp_nonce
 };
 
 /* Number of standard extensions */
diff --git a/crypto/x509v3/v3_nonce.c b/crypto/x509v3/v3_nonce.c
new file mode 100644
index 0000000000..df7e0bfeaa
--- /dev/null
+++ b/crypto/x509v3/v3_nonce.c
@@ -0,0 +1,132 @@
+/* v3_nonce.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/asn1.h>
+#include <openssl/ocsp.h>
+#include <openssl/x509v3.h>
+
+/* OCSP nonce. This is needs special treatment because it doesn't have
+ * an ASN1 encoding at all: it just contains arbitrary data.
+ */
+
+static void *ocsp_nonce_new(void);
+static int i2d_ocsp_nonce(void *a, unsigned char **pp);
+static void *d2i_ocsp_nonce(void *a, unsigned char **pp, long length);
+static void ocsp_nonce_free(void *a);
+static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
+
+X509V3_EXT_METHOD v3_ocsp_nonce = {
+	NID_id_pkix_OCSP_Nonce, 0, NULL,
+	ocsp_nonce_new,
+	ocsp_nonce_free,
+	d2i_ocsp_nonce,
+	i2d_ocsp_nonce,
+	0,0,
+	0,0,
+	i2r_ocsp_nonce,0,
+	NULL
+};
+
+static void *ocsp_nonce_new(void)
+{
+	return ASN1_OCTET_STRING_new();
+}
+
+static int i2d_ocsp_nonce(void *a, unsigned char **pp)
+{
+	ASN1_OCTET_STRING *os = a;
+	if(*pp) {
+		memcpy(*pp, os->data, os->length);
+		*pp += os->length;
+	}
+	return os->length;
+}
+
+static void *d2i_ocsp_nonce(void *a, unsigned char **pp, long length)
+{
+	ASN1_OCTET_STRING *os, **pos;
+	pos = a;
+	if(!pos || !*pos) os = ASN1_OCTET_STRING_new();
+	else os = *pos;
+	if(!ASN1_OCTET_STRING_set(os, *pp, length)) goto err;
+
+	*pp += length;
+
+	if(pos) *pos = os;
+	return os;
+
+	err:
+	if(os && (!pos || (*pos != os))) M_ASN1_OCTET_STRING_free(os);
+	OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
+	return NULL;
+}
+
+static void ocsp_nonce_free(void *a)
+{
+	M_ASN1_OCTET_STRING_free(a);
+}
+
+static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent)
+{
+	if(BIO_printf(out, "%*s", indent, "") <= 0) return 0;
+	if(i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0) return 0;
+	return 1;
+}