1 files changed, 187 insertions, 0 deletions

diff --git a/src/lib/libcrypto/x509/x509_bitst.c b/src/lib/libcrypto/x509/x509_bitst.c
new file mode 100644
index 0000000000..3d998188e8
--- /dev/null
+++ b/src/lib/libcrypto/x509/x509_bitst.c
@@ -0,0 +1,187 @@
+/* $OpenBSD: x509_bitst.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 <string.h>
+
+#include <openssl/conf.h>
+#include <openssl/err.h>
+#include <openssl/x509v3.h>
+
+static BIT_STRING_BITNAME ns_cert_type_table[] = {
+        {0, "SSL Client", "client"},
+        {1, "SSL Server", "server"},
+        {2, "S/MIME", "email"},
+        {3, "Object Signing", "objsign"},
+        {4, "Unused", "reserved"},
+        {5, "SSL CA", "sslCA"},
+        {6, "S/MIME CA", "emailCA"},
+        {7, "Object Signing CA", "objCA"},
+        {-1, NULL, NULL}
+};
+
+static BIT_STRING_BITNAME key_usage_type_table[] = {
+        {0, "Digital Signature", "digitalSignature"},
+        {1, "Non Repudiation", "nonRepudiation"},
+        {2, "Key Encipherment", "keyEncipherment"},
+        {3, "Data Encipherment", "dataEncipherment"},
+        {4, "Key Agreement", "keyAgreement"},
+        {5, "Certificate Sign", "keyCertSign"},
+        {6, "CRL Sign", "cRLSign"},
+        {7, "Encipher Only", "encipherOnly"},
+        {8, "Decipher Only", "decipherOnly"},
+        {-1, NULL, NULL}
+};
+
+const X509V3_EXT_METHOD v3_nscert = {
+        .ext_nid = NID_netscape_cert_type,
+        .ext_flags = 0,
+        .it = &ASN1_BIT_STRING_it,
+        .ext_new = NULL,
+        .ext_free = NULL,
+        .d2i = NULL,
+        .i2d = NULL,
+        .i2s = NULL,
+        .s2i = NULL,
+        .i2v = (X509V3_EXT_I2V)i2v_ASN1_BIT_STRING,
+        .v2i = (X509V3_EXT_V2I)v2i_ASN1_BIT_STRING,
+        .i2r = NULL,
+        .r2i = NULL,
+        .usr_data = ns_cert_type_table,
+};
+
+const X509V3_EXT_METHOD v3_key_usage = {
+        .ext_nid = NID_key_usage,
+        .ext_flags = 0,
+        .it = &ASN1_BIT_STRING_it,
+        .ext_new = NULL,
+        .ext_free = NULL,
+        .d2i = NULL,
+        .i2d = NULL,
+        .i2s = NULL,
+        .s2i = NULL,
+        .i2v = (X509V3_EXT_I2V)i2v_ASN1_BIT_STRING,
+        .v2i = (X509V3_EXT_V2I)v2i_ASN1_BIT_STRING,
+        .i2r = NULL,
+        .r2i = NULL,
+        .usr_data = key_usage_type_table,
+};
+
+STACK_OF(CONF_VALUE) *
+i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, ASN1_BIT_STRING *bits,
+    STACK_OF(CONF_VALUE) *ret)
+{
+        BIT_STRING_BITNAME *bnam;
+        STACK_OF(CONF_VALUE) *free_ret = NULL;
+
+        if (ret == NULL) {
+                if ((free_ret = ret = sk_CONF_VALUE_new_null()) == NULL)
+                        return NULL;
+        }
+
+        for (bnam = method->usr_data; bnam->lname != NULL; bnam++) {
+                if (!ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
+                        continue;
+                if (!X509V3_add_value(bnam->lname, NULL, &ret))
+                        goto err;
+        }
+
+        return ret;
+
+ err:
+        sk_CONF_VALUE_pop_free(free_ret, X509V3_conf_free);
+
+        return NULL;
+}
+
+ASN1_BIT_STRING *
+v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
+    STACK_OF(CONF_VALUE) *nval)
+{
+        CONF_VALUE *val;
+        ASN1_BIT_STRING *bs;
+        int i;
+        BIT_STRING_BITNAME *bnam;
+
+        if (!(bs = ASN1_BIT_STRING_new())) {
+                X509V3error(ERR_R_MALLOC_FAILURE);
+                return NULL;
+        }
+        for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
+                val = sk_CONF_VALUE_value(nval, i);
+                for (bnam = method->usr_data; bnam->lname; bnam++) {
+                        if (!strcmp(bnam->sname, val->name) ||
+                            !strcmp(bnam->lname, val->name) ) {
+                                if (!ASN1_BIT_STRING_set_bit(bs,
+                                    bnam->bitnum, 1)) {
+                                        X509V3error(ERR_R_MALLOC_FAILURE);
+                                        ASN1_BIT_STRING_free(bs);
+                                        return NULL;
+                                }
+                                break;
+                        }
+                }
+                if (!bnam->lname) {
+                        X509V3error(X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
+                        X509V3_conf_err(val);
+                        ASN1_BIT_STRING_free(bs);
+                        return NULL;
+                }
+        }
+        return bs;
+}