X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/74bb4ee159b105b333421688f1de6f42d115e803..c39d40a767a1ae36171e5bcbf6f157ff3e80fb6c:/ntp.h

diff --git a/ntp.h b/ntp.h
index 0614f73b..78644e28 100644
--- a/ntp.h
+++ b/ntp.h
@@ -1,14 +1,28 @@
-/* $Header: /tcpdump/master/tcpdump/ntp.h,v 1.8 2004-01-28 14:34:50 hannes Exp $ */
-
 /*
- * Based on ntp.h from the U of MD implementation
- *	This file is based on Version 2 of the NTP spec (RFC1119).
+ * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
  */
 
-/*
- *  Definitions for the masses
- */
-#define	JAN_1970	2208988800U	/* 1970 - 1900 in seconds */
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
 
 /*
  * Structure definitions for NTP fixed point values
@@ -28,100 +42,13 @@
  *   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
 struct l_fixedpt {
-	u_int32_t int_part;
-	u_int32_t fraction;
+	nd_uint32_t int_part;
+	nd_uint32_t fraction;
 };
 
 struct s_fixedpt {
-	u_int16_t int_part;
-	u_int16_t fraction;
-};
-
-/* rfc2030
- *                      1                   2                   3
- *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |LI | VN  |Mode |    Stratum    |     Poll      |   Precision   |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                          Root Delay                           |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                       Root Dispersion                         |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                     Reference Identifier                      |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                                                               |
- * |                   Reference Timestamp (64)                    |
- * |                                                               |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                                                               |
- * |                   Originate Timestamp (64)                    |
- * |                                                               |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                                                               |
- * |                    Receive Timestamp (64)                     |
- * |                                                               |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                                                               |
- * |                    Transmit Timestamp (64)                    |
- * |                                                               |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                 Key Identifier (optional) (32)                |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |                                                               |
- * |                                                               |
- * |                 Message Digest (optional) (128)               |
- * |                                                               |
- * |                                                               |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
-
-struct ntpdata {
-	u_char status;		/* status of local clock and leap info */
-	u_char stratum;		/* Stratum level */
-	u_char ppoll;		/* poll value */
-	int precision:8;
-	struct s_fixedpt root_delay;
-	struct s_fixedpt root_dispersion;
-	u_int32_t refid;
-	struct l_fixedpt ref_timestamp;
-	struct l_fixedpt org_timestamp;
-	struct l_fixedpt rec_timestamp;
-	struct l_fixedpt xmt_timestamp;
-        u_int32_t key_id;
-        u_int8_t  message_digest[16];
+	nd_uint16_t int_part;
+	nd_uint16_t fraction;
 };
-/*
- *	Leap Second Codes (high order two bits)
- */
-#define	NO_WARNING	0x00	/* no warning */
-#define	PLUS_SEC	0x40	/* add a second (61 seconds) */
-#define	MINUS_SEC	0x80	/* minus a second (59 seconds) */
-#define	ALARM		0xc0	/* alarm condition (clock unsynchronized) */
-
-/*
- *	Clock Status Bits that Encode Version
- */
-#define	NTPVERSION_1	0x08
-#define	VERSIONMASK	0x38
-#define LEAPMASK	0xc0
-#define	MODEMASK	0x07
 
-/*
- *	Code values
- */
-#define	MODE_UNSPEC	0	/* unspecified */
-#define	MODE_SYM_ACT	1	/* symmetric active */
-#define	MODE_SYM_PAS	2	/* symmetric passive */
-#define	MODE_CLIENT	3	/* client */
-#define	MODE_SERVER	4	/* server */
-#define	MODE_BROADCAST	5	/* broadcast */
-#define	MODE_RES1	6	/* reserved */
-#define	MODE_RES2	7	/* reserved */
-
-/*
- *	Stratum Definitions
- */
-#define	UNSPECIFIED	0
-#define	PRIM_REF	1	/* radio clock */
-#define	INFO_QUERY	62	/* **** THIS implementation dependent **** */
-#define	INFO_REPLY	63	/* **** THIS implementation dependent **** */
+void p_ntp_time(netdissect_options *, const struct l_fixedpt *);