Import the OpenBSD dhclient as shipped with OpenBSD-3.7 (the tag

OPENBSD_3_7).

1 files changed, 114 insertions, 0 deletions

diff --git a/sbin/dhclient/convert.c b/sbin/dhclient/convert.c
new file mode 100644
index 000000000000..0626dc4b3a8e
--- /dev/null
+++ b/sbin/dhclient/convert.c
@@ -0,0 +1,114 @@
+/*	$OpenBSD: convert.c,v 1.5 2004/02/07 11:35:59 henning Exp $	*/
+
+/*
+ * 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(unsigned char *buf)
+{
+	u_int32_t ibuf;
+
+	memcpy(&ibuf, buf, sizeof(ibuf));
+	return (ntohl(ibuf));
+}
+
+int32_t
+getLong(unsigned char *(buf))
+{
+	int32_t ibuf;
+
+	memcpy(&ibuf, buf, sizeof(ibuf));
+	return (ntohl(ibuf));
+}
+
+u_int16_t
+getUShort(unsigned char *buf)
+{
+	u_int16_t ibuf;
+
+	memcpy(&ibuf, buf, sizeof(ibuf));
+	return (ntohs(ibuf));
+}
+
+int16_t
+getShort(unsigned char *buf)
+{
+	int16_t ibuf;
+
+	memcpy(&ibuf, buf, sizeof(ibuf));
+	return (ntohs(ibuf));
+}
+
+void
+putULong(unsigned char *obuf, u_int32_t val)
+{
+	u_int32_t tmp = htonl(val);
+
+	memcpy(obuf, &tmp, sizeof(tmp));
+}
+
+void
+putLong(unsigned char *obuf, int32_t val)
+{
+	int32_t tmp = htonl(val);
+
+	memcpy(obuf, &tmp, sizeof(tmp));
+}
+
+void
+putUShort(unsigned char *obuf, unsigned int val)
+{
+	u_int16_t tmp = htons(val);
+
+	memcpy(obuf, &tmp, sizeof(tmp));
+}
+
+void
+putShort(unsigned char *obuf, int val)
+{
+	int16_t tmp = htons(val);
+
+	memcpy(obuf, &tmp, sizeof(tmp));
+}