1 files changed, 245 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/asn1/der_copy.c b/third_party/heimdal/lib/asn1/der_copy.c
new file mode 100644
index 0000000..2084cef
--- /dev/null
+++ b/third_party/heimdal/lib/asn1/der_copy.c
@@ -0,0 +1,245 @@
+/*
+ * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2009 Apple Inc. 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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS 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 INSTITUTE OR 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.
+ */
+
+#include "der_locl.h"
+
+RCSID("$Id$");
+
+int ASN1CALL
+der_copy_general_string (const heim_general_string *from,
+			 heim_general_string *to)
+{
+    *to = strdup(*from);
+    if(*to == NULL)
+	return ENOMEM;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_integer (const int *from, int *to)
+{
+    *to = *from;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_integer64 (const int64_t *from, int64_t *to)
+{
+    *to = *from;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_unsigned (const unsigned *from, unsigned *to)
+{
+    *to = *from;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_unsigned64 (const uint64_t *from, uint64_t *to)
+{
+    *to = *from;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_generalized_time (const time_t *from, time_t *to)
+{
+    *to = *from;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_utctime (const time_t *from, time_t *to)
+{
+    *to = *from;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_utf8string (const heim_utf8_string *from, heim_utf8_string *to)
+{
+    return der_copy_general_string(from, to);
+}
+
+int ASN1CALL
+der_copy_printable_string (const heim_printable_string *from,
+		       heim_printable_string *to)
+{
+    assert(from->length == 0 || (from->length > 0 && from->data != NULL));
+    to->data = malloc(from->length + 1);
+    if (to->data == NULL) {
+	to->length = 0;
+	return ENOMEM;
+    }
+    to->length = from->length;
+    if (to->length > 0)
+	memcpy(to->data, from->data, to->length);
+    ((char *)to->data)[to->length] = '\0';
+    return 0;
+}
+
+int ASN1CALL
+der_copy_ia5_string (const heim_ia5_string *from,
+		     heim_ia5_string *to)
+{
+    return der_copy_printable_string(from, to);
+}
+
+int ASN1CALL
+der_copy_bmp_string (const heim_bmp_string *from, heim_bmp_string *to)
+{
+    assert(from->length == 0 || (from->length > 0 && from->data != NULL));
+    if (from->length == 0)
+	to->data = calloc(1, sizeof(from->data[0]));
+    else
+	to->data = malloc(from->length * sizeof(from->data[0]));
+    if (to->data == NULL) {
+	to->length = 0;
+	return ENOMEM;
+    }
+    to->length = from->length;
+    if (to->length > 0)
+	memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
+    return 0;
+}
+
+int ASN1CALL
+der_copy_universal_string (const heim_universal_string *from,
+			   heim_universal_string *to)
+{
+    assert(from->length == 0 || (from->length > 0 && from->data != NULL));
+    if (from->length == 0)
+	to->data = calloc(1, sizeof(from->data[0]));
+    else
+	to->data = malloc(from->length * sizeof(from->data[0]));
+    if (to->data == NULL) {
+	to->length = 0;
+	return ENOMEM;
+    }
+    to->length = from->length;
+    if (to->length > 0)
+	memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
+    return 0;
+}
+
+int ASN1CALL
+der_copy_visible_string (const heim_visible_string *from,
+			 heim_visible_string *to)
+{
+    return der_copy_general_string(from, to);
+}
+
+int ASN1CALL
+der_copy_octet_string (const heim_octet_string *from, heim_octet_string *to)
+{
+    assert(from->length == 0 || (from->length > 0 && from->data != NULL));
+    if (from->length == 0)
+	to->data = calloc(1, 1);
+    else
+	to->data = malloc(from->length);
+    if (to->data == NULL) {
+	to->length = 0;
+	return ENOMEM;
+    }
+    to->length = from->length;
+    if (to->length > 0)
+	memcpy(to->data, from->data, to->length);
+    return 0;
+}
+
+int ASN1CALL
+der_copy_heim_integer (const heim_integer *from, heim_integer *to)
+{
+    assert(from->length == 0 || (from->length > 0 && from->data != NULL));
+    if (from->length == 0)
+	to->data = calloc(1, 1);
+    else
+	to->data = malloc(from->length);
+    if (to->data == NULL) {
+	to->length = 0;
+	return ENOMEM;
+    }
+    to->length = from->length;
+    if (to->length > 0)
+	memcpy(to->data, from->data, to->length);
+    to->negative = from->negative;
+    return 0;
+}
+
+int ASN1CALL
+der_copy_oid (const heim_oid *from, heim_oid *to)
+{
+    if (from->length == 0) {
+	to->length = 0;
+	to->components = calloc(1, sizeof(*from->components));
+	if (to->components == NULL)
+	    return ENOMEM;
+	return 0;
+    }
+    assert(from->components != NULL);
+    to->components = malloc(from->length * sizeof(*from->components));
+    if (to->components == NULL) {
+	to->length = 0;
+	return ENOMEM;
+    }
+    to->length = from->length;
+    memcpy(to->components, from->components,
+	   to->length * sizeof(*to->components));
+    return 0;
+}
+
+int ASN1CALL
+der_copy_bit_string (const heim_bit_string *from, heim_bit_string *to)
+{
+    size_t len;
+
+    assert(from->length == 0 || (from->length > 0 && from->data != NULL));
+
+    len = (from->length + 7) / 8;
+    if (len == 0)
+	to->data = calloc(1, 1);
+    else
+	to->data = malloc(len);
+    if (to->data == NULL) {
+	to->length = 0;
+	return ENOMEM;
+    }
+    to->length = from->length;
+    if (len > 0)
+	memcpy(to->data, from->data, len);
+    return 0;
+}