wmi-1.3.16 from opsview.com

Samba/source/heimdal/lib/asn1/der_length.c

@@ -0,0 +1,226 @@
+/*
+ * 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"
+
+RCSID("$Id: der_length.c,v 1.19 2006/10/14 05:26:06 lha Exp $");
+
+size_t
+_heim_len_unsigned (unsigned val)
+{
+    size_t ret = 0;
+    int last_val_gt_128;
+    
+    do {
+	++ret;
+	last_val_gt_128 = (val >= 128);
+	val /= 256;
+    } while (val);
+
+    if(last_val_gt_128)
+	ret++;
+
+    return ret;
+}
+
+size_t
+_heim_len_int (int val)
+{
+    unsigned char q;
+    size_t ret = 0;
+
+    if (val >= 0) {
+	do {
+	    q = val % 256;
+	    ret++;
+	    val /= 256;
+	} while(val);
+	if(q >= 128)
+	    ret++;
+    } else {
+	val = ~val;
+	do {
+	    q = ~(val % 256);
+	    ret++;
+	    val /= 256;
+	} while(val);
+	if(q < 128)
+	    ret++;
+    }
+    return ret;
+}
+
+static size_t
+len_oid (const heim_oid *oid)
+{
+    size_t ret = 1;
+    int n;
+
+    for (n = 2; n < oid->length; ++n) {
+	unsigned u = oid->components[n];
+
+	do {
+	    ++ret;
+	    u /= 128;
+	} while(u > 0);
+    }
+    return ret;
+}
+
+size_t
+der_length_len (size_t len)
+{
+    if (len < 128)
+	return 1;
+    else {
+	int ret = 0;
+	do {
+	    ++ret;
+	    len /= 256;
+	} while (len);
+	return ret + 1;
+    }
+}
+
+size_t
+der_length_integer (const int *data)
+{
+    return _heim_len_int (*data);
+}
+
+size_t
+der_length_unsigned (const unsigned *data)
+{
+    return _heim_len_unsigned(*data);
+}
+
+size_t
+der_length_enumerated (const unsigned *data)
+{
+  return _heim_len_int (*data);
+}
+
+size_t
+der_length_general_string (const heim_general_string *data)
+{
+    return strlen(*data);
+}
+
+size_t
+der_length_utf8string (const heim_utf8_string *data)
+{
+    return strlen(*data);
+}
+
+size_t
+der_length_printable_string (const heim_printable_string *data)
+{
+    return strlen(*data);
+}
+
+size_t
+der_length_ia5_string (const heim_ia5_string *data)
+{
+    return strlen(*data);
+}
+
+size_t
+der_length_bmp_string (const heim_bmp_string *data)
+{
+    return data->length * 2;
+}
+
+size_t
+der_length_universal_string (const heim_universal_string *data)
+{
+    return data->length * 4;
+}
+
+size_t
+der_length_octet_string (const heim_octet_string *k)
+{
+    return k->length;
+}
+
+size_t
+der_length_heim_integer (const heim_integer *k)
+{
+    if (k->length == 0)
+	return 1;
+    if (k->negative)
+	return k->length + (((~(((unsigned char *)k->data)[0])) & 0x80) ? 0 : 1);
+    else
+	return k->length + ((((unsigned char *)k->data)[0] & 0x80) ? 1 : 0);
+}
+
+size_t
+der_length_oid (const heim_oid *k)
+{
+    return len_oid (k);
+}
+
+size_t
+der_length_generalized_time (const time_t *t)
+{
+    heim_octet_string k;
+    size_t ret;
+
+    _heim_time2generalizedtime (*t, &k, 1);
+    ret = k.length;
+    free(k.data);
+    return ret;
+}
+
+size_t
+der_length_utctime (const time_t *t)
+{
+    heim_octet_string k;
+    size_t ret;
+
+    _heim_time2generalizedtime (*t, &k, 0);
+    ret = k.length;
+    free(k.data);
+    return ret;
+}
+
+size_t
+der_length_boolean (const int *k)
+{
+    return 1;
+}
+
+size_t
+der_length_bit_string (const heim_bit_string *k)
+{
+    return (k->length + 7) / 8 + 1;
+}