Initial import

1 files changed, 309 insertions, 0 deletions

diff --git a/openssl/crypto/x509v3/v3_lib.c b/openssl/crypto/x509v3/v3_lib.c
new file mode 100644
index 00000000..0f1e1d44
--- /dev/null
+++ b/openssl/crypto/x509v3/v3_lib.c
@@ -0,0 +1,309 @@
+/* v3_lib.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 "cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+
+#include "ext_dat.h"
+
+static STACK_OF(X509V3_EXT_METHOD) *ext_list = NULL;
+
+static int ext_cmp(const X509V3_EXT_METHOD * const *a,
+		const X509V3_EXT_METHOD * const *b);
+static void ext_list_free(X509V3_EXT_METHOD *ext);
+
+int X509V3_EXT_add(X509V3_EXT_METHOD *ext)
+{
+	if(!ext_list && !(ext_list = sk_X509V3_EXT_METHOD_new(ext_cmp))) {
+		X509V3err(X509V3_F_X509V3_EXT_ADD,ERR_R_MALLOC_FAILURE);
+		return 0;
+	}
+	if(!sk_X509V3_EXT_METHOD_push(ext_list, ext)) {
+		X509V3err(X509V3_F_X509V3_EXT_ADD,ERR_R_MALLOC_FAILURE);
+		return 0;
+	}
+	return 1;
+}
+
+static int ext_cmp(const X509V3_EXT_METHOD * const *a,
+		   const X509V3_EXT_METHOD * const *b)
+{
+	return ((*a)->ext_nid - (*b)->ext_nid);
+}
+
+DECLARE_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *, const X509V3_EXT_METHOD *,
+			   ext);
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *,
+			     const X509V3_EXT_METHOD *, ext);
+
+const X509V3_EXT_METHOD *X509V3_EXT_get_nid(int nid)
+{
+	X509V3_EXT_METHOD tmp;
+	const X509V3_EXT_METHOD *t = &tmp, * const *ret;
+	int idx;
+	if(nid < 0) return NULL;
+	tmp.ext_nid = nid;
+	ret = OBJ_bsearch_ext(&t, standard_exts, STANDARD_EXTENSION_COUNT);
+	if(ret) return *ret;
+	if(!ext_list) return NULL;
+	idx = sk_X509V3_EXT_METHOD_find(ext_list, &tmp);
+	if(idx == -1) return NULL;
+	return sk_X509V3_EXT_METHOD_value(ext_list, idx);
+}
+
+const X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext)
+{
+	int nid;
+	if((nid = OBJ_obj2nid(ext->object)) == NID_undef) return NULL;
+	return X509V3_EXT_get_nid(nid);
+}
+
+
+int X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist)
+{
+	for(;extlist->ext_nid!=-1;extlist++) 
+			if(!X509V3_EXT_add(extlist)) return 0;
+	return 1;
+}
+
+int X509V3_EXT_add_alias(int nid_to, int nid_from)
+{
+	const X509V3_EXT_METHOD *ext;
+	X509V3_EXT_METHOD *tmpext;
+
+	if(!(ext = X509V3_EXT_get_nid(nid_from))) {
+		X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,X509V3_R_EXTENSION_NOT_FOUND);
+		return 0;
+	}
+	if(!(tmpext = (X509V3_EXT_METHOD *)OPENSSL_malloc(sizeof(X509V3_EXT_METHOD)))) {
+		X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,ERR_R_MALLOC_FAILURE);
+		return 0;
+	}
+	*tmpext = *ext;
+	tmpext->ext_nid = nid_to;
+	tmpext->ext_flags |= X509V3_EXT_DYNAMIC;
+	return X509V3_EXT_add(tmpext);
+}
+
+void X509V3_EXT_cleanup(void)
+{
+	sk_X509V3_EXT_METHOD_pop_free(ext_list, ext_list_free);
+	ext_list = NULL;
+}
+
+static void ext_list_free(X509V3_EXT_METHOD *ext)
+{
+	if(ext->ext_flags & X509V3_EXT_DYNAMIC) OPENSSL_free(ext);
+}
+
+/* Legacy function: we don't need to add standard extensions
+ * any more because they are now kept in ext_dat.h.
+ */
+
+int X509V3_add_standard_extensions(void)
+{
+	return 1;
+}
+
+/* Return an extension internal structure */
+
+void *X509V3_EXT_d2i(X509_EXTENSION *ext)
+{
+	const X509V3_EXT_METHOD *method;
+	const unsigned char *p;
+
+	if(!(method = X509V3_EXT_get(ext))) return NULL;
+	p = ext->value->data;
+	if(method->it) return ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it));
+	return method->d2i(NULL, &p, ext->value->length);
+}
+
+/* Get critical flag and decoded version of extension from a NID.
+ * The "idx" variable returns the last found extension and can
+ * be used to retrieve multiple extensions of the same NID.
+ * However multiple extensions with the same NID is usually
+ * due to a badly encoded certificate so if idx is NULL we
+ * choke if multiple extensions exist.
+ * The "crit" variable is set to the critical value.
+ * The return value is the decoded extension or NULL on
+ * error. The actual error can have several different causes,
+ * the value of *crit reflects the cause:
+ * >= 0, extension found but not decoded (reflects critical value).
+ * -1 extension not found.
+ * -2 extension occurs more than once.
+ */
+
+void *X509V3_get_d2i(STACK_OF(X509_EXTENSION) *x, int nid, int *crit, int *idx)
+{
+	int lastpos, i;
+	X509_EXTENSION *ex, *found_ex = NULL;
+	if(!x) {
+		if(idx) *idx = -1;
+		if(crit) *crit = -1;
+		return NULL;
+	}
+	if(idx) lastpos = *idx + 1;
+	else lastpos = 0;
+	if(lastpos < 0) lastpos = 0;
+	for(i = lastpos; i < sk_X509_EXTENSION_num(x); i++)
+	{
+		ex = sk_X509_EXTENSION_value(x, i);
+		if(OBJ_obj2nid(ex->object) == nid) {
+			if(idx) {
+				*idx = i;
+				found_ex = ex;
+				break;
+			} else if(found_ex) {
+				/* Found more than one */
+				if(crit) *crit = -2;
+				return NULL;
+			}
+			found_ex = ex;
+		}
+	}
+	if(found_ex) {
+		/* Found it */
+		if(crit) *crit = X509_EXTENSION_get_critical(found_ex);
+		return X509V3_EXT_d2i(found_ex);
+	}
+
+	/* Extension not found */
+	if(idx) *idx = -1;
+	if(crit) *crit = -1;
+	return NULL;
+}
+
+/* This function is a general extension append, replace and delete utility.
+ * The precise operation is governed by the 'flags' value. The 'crit' and
+ * 'value' arguments (if relevant) are the extensions internal structure.
+ */
+
+int X509V3_add1_i2d(STACK_OF(X509_EXTENSION) **x, int nid, void *value,
+					int crit, unsigned long flags)
+{
+	int extidx = -1;
+	int errcode;
+	X509_EXTENSION *ext, *extmp;
+	unsigned long ext_op = flags & X509V3_ADD_OP_MASK;
+
+	/* If appending we don't care if it exists, otherwise
+	 * look for existing extension.
+	 */
+	if(ext_op != X509V3_ADD_APPEND)
+		extidx = X509v3_get_ext_by_NID(*x, nid, -1);
+
+	/* See if extension exists */
+	if(extidx >= 0) {
+		/* If keep existing, nothing to do */
+		if(ext_op == X509V3_ADD_KEEP_EXISTING)
+			return 1;
+		/* If default then its an error */
+		if(ext_op == X509V3_ADD_DEFAULT) {
+			errcode = X509V3_R_EXTENSION_EXISTS;
+			goto err;
+		}
+		/* If delete, just delete it */
+		if(ext_op == X509V3_ADD_DELETE) {
+			if(!sk_X509_EXTENSION_delete(*x, extidx)) return -1;
+			return 1;
+		}
+	} else {
+		/* If replace existing or delete, error since 
+		 * extension must exist
+		 */
+		if((ext_op == X509V3_ADD_REPLACE_EXISTING) ||
+		   (ext_op == X509V3_ADD_DELETE)) {
+			errcode = X509V3_R_EXTENSION_NOT_FOUND;
+			goto err;
+		}
+	}
+
+	/* If we get this far then we have to create an extension:
+	 * could have some flags for alternative encoding schemes...
+	 */
+
+	ext = X509V3_EXT_i2d(nid, crit, value);
+
+	if(!ext) {
+		X509V3err(X509V3_F_X509V3_ADD1_I2D, X509V3_R_ERROR_CREATING_EXTENSION);
+		return 0;
+	}
+
+	/* If extension exists replace it.. */
+	if(extidx >= 0) {
+		extmp = sk_X509_EXTENSION_value(*x, extidx);
+		X509_EXTENSION_free(extmp);
+		if(!sk_X509_EXTENSION_set(*x, extidx, ext)) return -1;
+		return 1;
+	}
+
+	if(!*x && !(*x = sk_X509_EXTENSION_new_null())) return -1;
+	if(!sk_X509_EXTENSION_push(*x, ext)) return -1;
+
+	return 1;
+
+	err:
+	if(!(flags & X509V3_ADD_SILENT))
+		X509V3err(X509V3_F_X509V3_ADD1_I2D, errcode);
+	return 0;
+}
+
+IMPLEMENT_STACK_OF(X509V3_EXT_METHOD)