1 files changed, 217 insertions, 0 deletions

diff --git a/src/lib/libcrypto/x509/x509_extku.c b/src/lib/libcrypto/x509/x509_extku.c
new file mode 100644
index 0000000000..09bec675ac
--- /dev/null
+++ b/src/lib/libcrypto/x509/x509_extku.c
@@ -0,0 +1,217 @@
+/* $OpenBSD: x509_extku.c,v 1.1 2020/06/04 15:19:31 jsing Exp $ */
+/* 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).
+ *
+ */
+
+#include <stdio.h>
+
+#include <openssl/asn1t.h>
+#include <openssl/conf.h>
+#include <openssl/err.h>
+#include <openssl/x509v3.h>
+
+static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
+    X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
+static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(
+    const X509V3_EXT_METHOD *method, void *eku, STACK_OF(CONF_VALUE) *extlist);
+
+const X509V3_EXT_METHOD v3_ext_ku = {
+        .ext_nid = NID_ext_key_usage,
+        .ext_flags = 0,
+        .it = &EXTENDED_KEY_USAGE_it,
+        .ext_new = NULL,
+        .ext_free = NULL,
+        .d2i = NULL,
+        .i2d = NULL,
+        .i2s = NULL,
+        .s2i = NULL,
+        .i2v = i2v_EXTENDED_KEY_USAGE,
+        .v2i = v2i_EXTENDED_KEY_USAGE,
+        .i2r = NULL,
+        .r2i = NULL,
+        .usr_data = NULL,
+};
+
+/* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */
+const X509V3_EXT_METHOD v3_ocsp_accresp = {
+        .ext_nid = NID_id_pkix_OCSP_acceptableResponses,
+        .ext_flags = 0,
+        .it = &EXTENDED_KEY_USAGE_it,
+        .ext_new = NULL,
+        .ext_free = NULL,
+        .d2i = NULL,
+        .i2d = NULL,
+        .i2s = NULL,
+        .s2i = NULL,
+        .i2v = i2v_EXTENDED_KEY_USAGE,
+        .v2i = v2i_EXTENDED_KEY_USAGE,
+        .i2r = NULL,
+        .r2i = NULL,
+        .usr_data = NULL,
+};
+
+static const ASN1_TEMPLATE EXTENDED_KEY_USAGE_item_tt = {
+        .flags = ASN1_TFLG_SEQUENCE_OF,
+        .tag = 0,
+        .offset = 0,
+        .field_name = "EXTENDED_KEY_USAGE",
+        .item = &ASN1_OBJECT_it,
+};
+
+const ASN1_ITEM EXTENDED_KEY_USAGE_it = {
+        .itype = ASN1_ITYPE_PRIMITIVE,
+        .utype = -1,
+        .templates = &EXTENDED_KEY_USAGE_item_tt,
+        .tcount = 0,
+        .funcs = NULL,
+        .size = 0,
+        .sname = "EXTENDED_KEY_USAGE",
+};
+
+
+EXTENDED_KEY_USAGE *
+d2i_EXTENDED_KEY_USAGE(EXTENDED_KEY_USAGE **a, const unsigned char **in, long len)
+{
+        return (EXTENDED_KEY_USAGE *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
+            &EXTENDED_KEY_USAGE_it);
+}
+
+int
+i2d_EXTENDED_KEY_USAGE(EXTENDED_KEY_USAGE *a, unsigned char **out)
+{
+        return ASN1_item_i2d((ASN1_VALUE *)a, out, &EXTENDED_KEY_USAGE_it);
+}
+
+EXTENDED_KEY_USAGE *
+EXTENDED_KEY_USAGE_new(void)
+{
+        return (EXTENDED_KEY_USAGE *)ASN1_item_new(&EXTENDED_KEY_USAGE_it);
+}
+
+void
+EXTENDED_KEY_USAGE_free(EXTENDED_KEY_USAGE *a)
+{
+        ASN1_item_free((ASN1_VALUE *)a, &EXTENDED_KEY_USAGE_it);
+}
+
+static STACK_OF(CONF_VALUE) *
+i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, void *a,
+    STACK_OF(CONF_VALUE) *extlist)
+{
+        ASN1_OBJECT *obj;
+        EXTENDED_KEY_USAGE *eku = a;
+        STACK_OF(CONF_VALUE) *free_extlist = NULL;
+        char obj_tmp[80];
+        int i;
+
+        if (extlist == NULL) {
+                if ((free_extlist = extlist = sk_CONF_VALUE_new_null()) == NULL)
+                        return NULL;
+        }
+
+        for (i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
+                if ((obj = sk_ASN1_OBJECT_value(eku, i)) == NULL)
+                        goto err;
+                if (!i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, obj))
+                        goto err;
+                if (!X509V3_add_value(NULL, obj_tmp, &extlist))
+                        goto err;
+        }
+
+        return extlist;
+
+ err:
+        sk_CONF_VALUE_pop_free(free_extlist, X509V3_conf_free);
+
+        return NULL;
+}
+
+static void *
+v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
+    STACK_OF(CONF_VALUE) *nval)
+{
+        EXTENDED_KEY_USAGE *extku;
+        char *extval;
+        ASN1_OBJECT *objtmp;
+        CONF_VALUE *val;
+        int i;
+
+        if (!(extku = sk_ASN1_OBJECT_new_null())) {
+                X509V3error(ERR_R_MALLOC_FAILURE);
+                return NULL;
+        }
+
+        for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
+                val = sk_CONF_VALUE_value(nval, i);
+                if (val->value)
+                        extval = val->value;
+                else
+                        extval = val->name;
+                if (!(objtmp = OBJ_txt2obj(extval, 0))) {
+                        sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
+                        X509V3error(X509V3_R_INVALID_OBJECT_IDENTIFIER);
+                        X509V3_conf_err(val);
+                        return NULL;
+                }
+                if (sk_ASN1_OBJECT_push(extku, objtmp) == 0) {
+                        ASN1_OBJECT_free(objtmp);
+                        sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
+                        X509V3error(ERR_R_MALLOC_FAILURE);
+                        return NULL;
+                }
+        }
+        return extku;
+}