Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 58 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/gssapi/mech/gss_oid_equal.c b/third_party/heimdal/lib/gssapi/mech/gss_oid_equal.c
new file mode 100644
index 0000000..b125ede
--- /dev/null
+++ b/third_party/heimdal/lib/gssapi/mech/gss_oid_equal.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2006 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 "mech_locl.h"
+
+/**
+ * Compare two GSS-API OIDs with each other.
+ *
+ * GSS_C_NO_OID matches nothing, not even it-self.
+ *
+ * @param a first oid to compare
+ * @param b second oid to compare
+ *
+ * @return non-zero when both oid are the same OID, zero when they are
+ *         not the same.
+ *
+ * @ingroup gssapi
+ */
+
+GSSAPI_LIB_FUNCTION int GSSAPI_LIB_CALL
+gss_oid_equal(gss_const_OID a, gss_const_OID b)
+{
+    if (a == b && a != GSS_C_NO_OID)
+	return 1;
+    if (a == GSS_C_NO_OID || b == GSS_C_NO_OID || a->length != b->length)
+	return 0;
+    return memcmp(a->elements, b->elements, a->length) == 0;
+}