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-rw-r--r--third_party/heimdal/lib/asn1/der_cmp.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/asn1/der_cmp.c b/third_party/heimdal/lib/asn1/der_cmp.c
new file mode 100644
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+++ b/third_party/heimdal/lib/asn1/der_cmp.c
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+/*
+ * Copyright (c) 2003-2005 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"
+
+int ASN1CALL
+der_heim_oid_cmp(const heim_oid *p, const heim_oid *q)
+{
+ int c;
+
+ if (p->length == q->length)
+ return memcmp(p->components,
+ q->components,
+ p->length * sizeof(*p->components));
+ if (p->length < q->length) {
+ c = memcmp(p->components,
+ q->components,
+ p->length * sizeof(*p->components));
+ if (c == 0)
+ return -1;
+ return c;
+ }
+ c = memcmp(p->components,
+ q->components,
+ q->length * sizeof(*p->components));
+ if (c == 0)
+ return 1;
+ return c;
+}
+
+int ASN1CALL
+der_heim_octet_string_cmp(const heim_octet_string *p,
+ const heim_octet_string *q)
+{
+ int c;
+
+ if (p->length == q->length)
+ return memcmp(p->data, q->data, p->length);
+ if (p->length < q->length) {
+ if ((c = memcmp(p->data, q->data, p->length)) == 0)
+ return -1;
+ return c;
+ }
+ if ((c = memcmp(p->data, q->data, q->length)) == 0)
+ return 1;
+ return c;
+}
+
+int ASN1CALL
+der_printable_string_cmp(const heim_printable_string *p,
+ const heim_printable_string *q)
+{
+ return der_heim_octet_string_cmp(p, q);
+}
+
+int ASN1CALL
+der_ia5_string_cmp(const heim_ia5_string *p,
+ const heim_ia5_string *q)
+{
+ return der_heim_octet_string_cmp(p, q);
+}
+
+int ASN1CALL
+der_heim_bit_string_cmp(const heim_bit_string *p,
+ const heim_bit_string *q)
+{
+ int r1, r2;
+ size_t i;
+ if (p->length != q->length)
+ return (int)(p->length - q->length);
+ i = memcmp(p->data, q->data, p->length / 8);
+ if (i)
+ return (int)i;
+ if ((p->length % 8) == 0)
+ return 0;
+ i = (p->length / 8);
+ r1 = ((unsigned char *)p->data)[i];
+ r2 = ((unsigned char *)q->data)[i];
+ i = 8 - (p->length % 8);
+ r1 = r1 >> i;
+ r2 = r2 >> i;
+ return r1 - r2;
+}
+
+int ASN1CALL
+der_heim_integer_cmp(const heim_integer *p,
+ const heim_integer *q)
+{
+ if (p->negative != q->negative)
+ return q->negative - p->negative;
+ if (p->length != q->length)
+ return (int)(p->length - q->length);
+ return memcmp(p->data, q->data, p->length);
+}
+
+int ASN1CALL
+der_heim_bmp_string_cmp(const heim_bmp_string *p, const heim_bmp_string *q)
+{
+ int c;
+
+ if (p->length == q->length)
+ return memcmp(p->data, q->data, p->length * sizeof(q->data[0]));
+ if (p->length < q->length) {
+ if ((c = memcmp(p->data, q->data, p->length * sizeof(q->data[0]))) == 0)
+ return -1;
+ return c;
+ }
+ if ((c = memcmp(p->data, q->data, q->length * sizeof(q->data[0]))) == 0)
+ return 1;
+ return c;
+}
+
+int ASN1CALL
+der_heim_universal_string_cmp(const heim_universal_string *p,
+ const heim_universal_string *q)
+{
+ int c;
+
+ if (p->length == q->length)
+ return memcmp(p->data, q->data, p->length * sizeof(q->data[0]));
+ if (p->length < q->length) {
+ if ((c = memcmp(p->data, q->data, p->length * sizeof(q->data[0]))) == 0)
+ return -1;
+ return c;
+ }
+ if ((c = memcmp(p->data, q->data, q->length * sizeof(q->data[0]))) == 0)
+ return 1;
+ return c;
+}