1 files changed, 142 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/asn1/der.c b/third_party/heimdal/lib/asn1/der.c
new file mode 100644
index 0000000..bea4ae5
--- /dev/null
+++ b/third_party/heimdal/lib/asn1/der.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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"
+#include <com_err.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <getarg.h>
+#include <err.h>
+
+RCSID("$Id$");
+
+
+static const char *class_names[] = {
+    "UNIV",			/* 0 */
+    "APPL",			/* 1 */
+    "CONTEXT",			/* 2 */
+    "PRIVATE"			/* 3 */
+};
+
+static const char *type_names[] = {
+    "PRIM",			/* 0 */
+    "CONS"			/* 1 */
+};
+
+static const char *tag_names[] = {
+    "EndOfContent",		/* 0 */
+    "Boolean",			/* 1 */
+    "Integer",			/* 2 */
+    "BitString",		/* 3 */
+    "OctetString",		/* 4 */
+    "Null",			/* 5 */
+    "ObjectID",			/* 6 */
+    NULL,			/* 7 */
+    NULL,			/* 8 */
+    NULL,			/* 9 */
+    "Enumerated",		/* 10 */
+    NULL,			/* 11 */
+    "UTF8String",		/* 12 */
+    NULL,			/* 13 */
+    NULL,			/* 14 */
+    NULL,			/* 15 */
+    "Sequence",			/* 16 */
+    "Set",			/* 17 */
+    NULL,			/* 18 */
+    "PrintableString",		/* 19 */
+    NULL,			/* 20 */
+    NULL,			/* 21 */
+    "IA5String",		/* 22 */
+    "UTCTime",			/* 23 */
+    "GeneralizedTime",		/* 24 */
+    NULL,			/* 25 */
+    "VisibleString",		/* 26 */
+    "GeneralString",		/* 27 */
+    NULL,			/* 28 */
+    NULL,			/* 29 */
+    "BMPString"			/* 30 */
+};
+
+static int
+get_type(const char *name, const char *list[], unsigned len)
+{
+    unsigned i;
+    for (i = 0; i < len; i++)
+	if (list[i] && strcasecmp(list[i], name) == 0)
+	    return i;
+    return -1;
+}
+
+#define SIZEOF_ARRAY(a) (sizeof((a))/sizeof((a)[0]))
+
+const char * ASN1CALL
+der_get_class_name(unsigned num)
+{
+    if (num >= SIZEOF_ARRAY(class_names))
+	return NULL;
+    return class_names[num];
+}
+
+int ASN1CALL
+der_get_class_num(const char *name)
+{
+    return get_type(name, class_names, SIZEOF_ARRAY(class_names));
+}
+
+const char * ASN1CALL
+der_get_type_name(unsigned num)
+{
+    if (num >= SIZEOF_ARRAY(type_names))
+	return NULL;
+    return type_names[num];
+}
+
+int ASN1CALL
+der_get_type_num(const char *name)
+{
+    return get_type(name, type_names, SIZEOF_ARRAY(type_names));
+}
+
+const char * ASN1CALL
+der_get_tag_name(unsigned num)
+{
+    if (num >= SIZEOF_ARRAY(tag_names))
+	return NULL;
+    return tag_names[num];
+}
+
+int ASN1CALL
+der_get_tag_num(const char *name)
+{
+    return get_type(name, tag_names, SIZEOF_ARRAY(tag_names));
+}