Moving functions and organizing files

1 files changed, 61 insertions, 0 deletions

diff --git a/stun/stun3489bis.c b/stun/stun3489bis.c
new file mode 100644
index 0000000..11e0809
--- /dev/null
+++ b/stun/stun3489bis.c
@@ -0,0 +1,61 @@
+/*
+ * This file is part of the Nice GLib ICE library.
+ *
+ * (C) 2007 Nokia Corporation. All rights reserved.
+ *  Contact: Rémi Denis-Courmont
+ * COPYRIGHT (C) 1986 Gary S. Brown 
+ *  See documentation of the function crc32() below.
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Nice GLib ICE library.
+ *
+ * The Initial Developers of the Original Code are Collabora Ltd and Nokia
+ * Corporation. All Rights Reserved.
+ *
+ * Contributors:
+ *   Rémi Denis-Courmont, Nokia
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
+ * case the provisions of LGPL are applicable instead of those above. If you
+ * wish to allow use of your version of this file only under the terms of the
+ * LGPL and not to allow others to use your version of this file under the
+ * MPL, indicate your decision by deleting the provisions above and replace
+ * them with the notice and other provisions required by the LGPL. If you do
+ * not delete the provisions above, a recipient may use your version of this
+ * file under either the MPL or the LGPL.
+ */
+
+#include <sys/socket.h>
+#include <netinet/in.h> /* htons() */
+#include <assert.h>
+
+#include "crc32.h"
+#include "stun-msg.h"
+
+uint32_t stun_fingerprint (const uint8_t *msg, size_t len)
+{
+  struct iovec iov[3];
+  uint16_t fakelen = htons (len - 20u);
+
+  assert (len >= 28u);
+
+  iov[0].iov_base = (void *)msg;
+  iov[0].iov_len = 2;
+  iov[1].iov_base = &fakelen;
+  iov[1].iov_len = 2;
+  iov[2].iov_base = (void *)(msg + 4);
+  /* first 4 bytes done, last 8 bytes not summed */
+  iov[2].iov_len = len - 12u;
+
+  return crc32 (iov, sizeof (iov) / sizeof (iov[0])) ^ 0x5354554e;
+}