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-rw-r--r--third_party/heimdal/lib/asn1/der_copy.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/asn1/der_copy.c b/third_party/heimdal/lib/asn1/der_copy.c
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+++ b/third_party/heimdal/lib/asn1/der_copy.c
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+/*
+ * 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) {
+ if (from->data == NULL) {
+ *to = *from;
+ return 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;
+}
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