may the whacking begin

1 files changed, 113 insertions, 0 deletions

diff --git a/usr.sbin/dhcpd/convert.c b/usr.sbin/dhcpd/convert.c
new file mode 100644
index 00000000000..12afe87a40a
--- /dev/null
+++ b/usr.sbin/dhcpd/convert.c
@@ -0,0 +1,113 @@
+/* convert.c
+
+   Safe copying of option values into and out of the option buffer, which
+   can't be assumed to be aligned. */
+
+/*
+ * Copyright (c) 1995, 1996 The Internet Software Consortium.
+ * 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 Internet Software Consortium 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 INTERNET SOFTWARE CONSORTIUM 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 INTERNET SOFTWARE CONSORTIUM 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.
+ *
+ * This software has been written for the Internet Software Consortium
+ * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
+ * Enterprises.  To learn more about the Internet Software Consortium,
+ * see ``http://www.vix.com/isc''.  To learn more about Vixie
+ * Enterprises, see ``http://www.vix.com''.
+ */
+
+#include "dhcpd.h"
+
+u_int32_t getULong (buf)
+	unsigned char *buf;
+{
+	u_int32_t ibuf;
+
+	memcpy (&ibuf, buf, sizeof (ibuf));
+	return ntohl (ibuf);
+}
+
+int32_t getLong (buf)
+	unsigned char *buf;
+{
+	int32_t ibuf;
+
+	memcpy (&ibuf, buf, sizeof (ibuf));
+	return ntohl (ibuf);
+}
+
+u_int16_t getUShort (buf)
+	unsigned char *buf;
+{
+	u_int16_t ibuf;
+
+	memcpy (&ibuf, buf, sizeof (ibuf));
+	return ntohs (ibuf);
+}
+
+int16_t getShort (buf)
+	unsigned char *buf;
+{
+	int16_t ibuf;
+
+	memcpy (&ibuf, buf, sizeof (ibuf));
+	return ntohs (ibuf);
+}
+
+void putULong (obuf, val)
+	unsigned char *obuf;
+	u_int32_t val;
+{
+	u_int32_t tmp = htonl (val);
+	memcpy (obuf, &tmp, sizeof tmp);
+}
+
+void putLong (obuf, val)
+	unsigned char *obuf;
+	int32_t val;
+{
+	int32_t tmp = htonl (val);
+	memcpy (obuf, &tmp, sizeof tmp);
+}
+
+void putUShort (obuf, val)
+	unsigned char *obuf;
+	unsigned int val;
+{
+	u_int16_t tmp = htons (val);
+	memcpy (obuf, &tmp, sizeof tmp);
+}
+
+void putShort (obuf, val)
+	unsigned char *obuf;
+	int val;
+{
+	int16_t tmp = htons (val);
+	memcpy (obuf, &tmp, sizeof tmp);
+}
+