diff options
Diffstat (limited to 'contrib/ntp/sntp')
-rw-r--r-- | contrib/ntp/sntp/Makefile.am | 38 | ||||
-rw-r--r-- | contrib/ntp/sntp/Makefile.in | 534 | ||||
-rw-r--r-- | contrib/ntp/sntp/README | 535 | ||||
-rw-r--r-- | contrib/ntp/sntp/aclocal.m4 | 835 | ||||
-rwxr-xr-x | contrib/ntp/sntp/config.guess | 1407 | ||||
-rwxr-xr-x | contrib/ntp/sntp/config.sub | 1504 | ||||
-rwxr-xr-x | contrib/ntp/sntp/configure | 5916 | ||||
-rw-r--r-- | contrib/ntp/sntp/configure.ac | 82 | ||||
-rwxr-xr-x | contrib/ntp/sntp/depcomp | 472 | ||||
-rw-r--r-- | contrib/ntp/sntp/header.h | 89 | ||||
-rwxr-xr-x | contrib/ntp/sntp/install-sh | 294 | ||||
-rw-r--r-- | contrib/ntp/sntp/internet.c | 221 | ||||
-rw-r--r-- | contrib/ntp/sntp/internet.h | 47 | ||||
-rw-r--r-- | contrib/ntp/sntp/kludges.h | 62 | ||||
-rw-r--r-- | contrib/ntp/sntp/main.c | 1789 | ||||
-rwxr-xr-x | contrib/ntp/sntp/missing | 336 | ||||
-rwxr-xr-x | contrib/ntp/sntp/mkinstalldirs | 111 | ||||
-rw-r--r-- | contrib/ntp/sntp/socket.c | 395 | ||||
-rw-r--r-- | contrib/ntp/sntp/timing.c | 110 | ||||
-rw-r--r-- | contrib/ntp/sntp/unix.c | 92 |
20 files changed, 0 insertions, 14869 deletions
diff --git a/contrib/ntp/sntp/Makefile.am b/contrib/ntp/sntp/Makefile.am deleted file mode 100644 index ccb62d8..0000000 --- a/contrib/ntp/sntp/Makefile.am +++ /dev/null @@ -1,38 +0,0 @@ -# Makefile for sntp -# N.M. Maclaren, October 2000. - -# Take a look at README for the various preprocessor symbols, but they are -# extremely unlikely to be needed on newer systems. You may prefer to change -# LOCKNAME and SAVENAME to use /var/run (or even /tmp) rather than /etc. Note -# that not all of the following system settings have been tested recently. - -AUTOMAKE_OPTIONS = foreign - -# Compiling this sort of ANSI C under SunOS 4.1 is a mug's game, because Sun's -# Unix headers make GNU C vomit even in compatibility mode, but the following -# will compile main.c and unix.c. At least two people have got it to work. -# CC = gcc -ansi -# CFLAGS = -O -DNONBLOCK_BROKEN -# LDFLAGS = -# LIBS = -lm - -# The following settings can be used under Linux. While adjtime is present, -# it is completely broken (i.e. it will work only if xntp is running), so it -# is a good idea to add -DADJTIME_MISSING. -# CC = cc -DADJTIME_MISSING -# CFLAGS = -O -# LDFLAGS = -# LIBS = -lm - -bin_PROGRAMS = sntp -sntp_SOURCES = \ - header.h \ - internet.c \ - internet.h \ - kludges.h \ - main.c \ - socket.c \ - timing.c \ - unix.c \ - $(EMPTY) - diff --git a/contrib/ntp/sntp/Makefile.in b/contrib/ntp/sntp/Makefile.in deleted file mode 100644 index 597dd97..0000000 --- a/contrib/ntp/sntp/Makefile.in +++ /dev/null @@ -1,534 +0,0 @@ -# Makefile.in generated by automake 1.7.7 from Makefile.am. -# @configure_input@ - -# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 -# Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - -# Makefile for sntp -# N.M. 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Also note that the file RFC2030.TXT is -David Mills's copyright and not the author's - it is just a copy of the RFC -that is available from so many Internet archives. - -RFC 1305 (Network Time Protocol - NTP) is an attempt to provide globally -consistent timestamps in an extremely hostile environment; it is fiendishly -complicated and an impressive piece of virtuosity. RFC 2030 (Simple Network -Time Protocol - SNTP) which supersedes RFC 1769 describes a subset of this that -will give excellent accuracy in most environments encountered in practice; it -uses only the obvious algorithms that have been used since time immemorial. - -WARNING: the text version of RFC 1305 is incomplete, and omits the tables that -are in the Postscript version. Unfortunately, these contain the only copy of -some critical information. - -The canonical NTP code for Unix is the xntp suite, and is as complicated as -would be expected from reading RFC 1305. While its code is moderately clean by -Unix and C standards, version 3-5.86 is over 80,000 lines and unavoidably -system-dependent. A worse problem is that it is so badly fouled up by its -configuration mechanism that ab initio porting could be several weeks' work, -even if the new system has all the necessary facilities and is bug free! - - -SNTP Servers - Some Little-Known Facts --------------------------------------- - -RFC 2030 states that SNTP clients should be used only at the lowest level, -which is good practice. It then states that SNTP servers should be used only -at stratum 1 (i.e. top level), which is bizarre! A far saner use of them would -be for the very lowest level of server, exporting solely to local clients that -do not themselves act as servers to ANY system (e.g. on a Netware server, -exporting only to the PCs that it manages). - -If the NTP network were being run as a directed acyclic graph (i.e. using SNTP -rather than full NTP), with a diameter of D links and a maximum error per link -of E, the maximum synchronisation error would be D*E. Reasonable figures for D -and E are 5 and 0.1 seconds, so this would be adequate for most uses. Note -that the fact that the graph is acyclic is critical, which is one reason why -SNTP client/servers must NEVER be embedded WITHIN an NTP network. - -The other reason is that inserting SNTP client/servers at a low stratum (but -not the root) of an NTP network could easily break NTP! See RFC 1305 for why, -but don't expect the answer to stand out at you. It would be easy to extend -MSNTP to a full-function client/server application, thus making it into a true -alternative to xntp, but this incompatibility is why it MUST NOT be done. - -The above does not mean that the SNTP approach is unsatisfactory, but only that -it is incompatible with full NTP. The author would favour a complete SNTP -network using the SNTP approach, and the statistical error reduction used in -MSNTP, but it actually addresses a slightly different problem from that -addressed by NTP. TANSTAAFL. - -FINAL WARNING: do NOT use this program to serve NTP requests from outside the -systems that you manage. If you do this, and manage to break the time -synchronisation on other people's systems, you will be regarded very -unfavourably. Actually, this should be possible only if their NTP client is -completely broken, because MSNTP does its damnedest to declare its packets as -the lowest form of NTP timestamp. - - - -MSNTP and its Assumptions -------------------------- - -MSNTP is intended to be a straightforward SNTP daemon/utility that is easy to -build on any reasonable Unix platform (and most near-Unix ones), whether or not -it has ever been ported to them before. It is intended to answer the following -requirements, either by challenge and response or the less reliable broadcast -method: - - A simple command to run on Unix systems that will check the time - and optionally drift compared with a known, local and reliable NTP - time server. No privilege is required just to read the time and - estimate the drift. - - A client for Unix systems that will synchronise the time from a known, - local and reliable NTP time server. This is probably the most common - one, and the need that caused the program to be written. - - A server for Unix systems that are synchronised other than by NTP - methods and that need to synchronise other systems by NTP. This is - the classroom of PCs with a central server scenario. It is NOT - intended to work as a peer with true NTP servers, and won't. - - A simple method by which two or more Unix systems can keep themselves - synchronised using what is becoming a standard protocol. Yes, I know - that there are half-a-dozen other such methods. - - A base for building non-Unix SNTP clients. Some 3/4 of the code - (including all of the complicated algorithms and NTP packet handling) - should work, unchanged, on any system with an ANSI/ISO C compiler. - -There are full tracing facilities and a lot of paranoia in the code to check -for bad packets (more than in xntp) which may need relaxing in the light of -experience. Unfortunately, RFC 1305 does not include a precise description of -the data protocol, despite its length, and there are some internal -inconsistencies and differences between it and RFC 2030 and xntp3-5's -behaviour. - -WARNING: MSNTP has not been tested in conjunction with xntp broadcasts or xntp -clients, as the ability to do so was not available to the author. It is very -unlikely that it won't work, but you should check. Much of the paranoid code -is only partially tested, too, because it is dealing with cases that are very -hard to provoke. - -It assumes that the local network is tolerably secure and that any accessible -NTP or SNTP servers are trustworthy. It also makes no attempt to check that -it has been installed and is being used correctly (e.g. at an appropriate -priority) or that the changes it makes have the desired effect. When you first -use it, you should both run it in display mode and use the date command as a -cross-check. - -Furthermore, it does not attempt to solve all of the problems addressed by the -NTP protocol and you should NOT use it if any of those problems are likely to -cause you serious trouble. If they are, bite the bullet and implement xntp, or -buy a fancy time-server. - - -Building SNTP -------------- - -The contents of the distribution are: - -README - this file -Copyright - the copyright notice and conditions of use -Makefile - the makefile, with comments for several systems -header.h - the main header (almost entirely portable) -kludges.h - dirty kludges for difficult systems -internet.h - a very small header for internet.c and socket.c -main.c - most of the source (almost entirely portable) -unix.c - just for isatty, sleep and locking -internet.c - Internet host and service name lookup -socket.c - the Berkeley socket code -msntp.1 - the man page -RFC2030.TXT - the SNTPv4 specification - -All you SHOULD need to do is to uncomment the settings in file Makefile for -your system or to add new ones. But real life is not always so simple. As -POSIX does not yet define sub-second timers, Internet addressing facilities, -sockets etc., the code has to rely on the facilities described in the -ill-defined and non-standard 'X/Open' documents and the almost totally -unspecified 'BSD' extensions. - -Most hacks should be limited to the compiler options (e.g. setting flags like -_XOPEN_SOURCE), but perverse systems may need additions to kludges.h - please -report them to the author. See Makefile and kludges.h for documentation on -the standard hacks - there only 6, and most are only for obsolete systems. -But, generally, using the generic set of C options usually works with no -further ado. - - -Sick, Bizarre or non-Unix Systems ---------------------------------- - -A very few Unix systems and almost all non-Unix systems may need changes to the -code, such as: - - If the system doesn't have Berkeley sockets, you will need to replace - socket.c and possibly modify internet.h and internet.c. All of the - systems for which the author needs this have Berkeley sockets. - - NTP is supposedly an Internet protocol, but is not Internet specific. - For other types of network, you will need to replace internet.c and - probably modify internet.h. - - If the system doesn't have gettimeofday or settimeofday, you will - need to modify timing.c. If it doesn't have adjtime (e.g. HP-UX - on PA-RISC before 10.0), you can set -DADJTIME_MISSING and the code - will compile but the -a option will always give an error. - - If the system has totally broken signal handling, the program will - hang or crash if it can't reach its name server or responses time - out. You may be able to improve matters by hacking internet.c and - socket.c, but don't bet on it. - - If the the program won't be able to create files in /etc when - updating the clock, you can use another lock file or even set - -DLOCKFILE=NULL, which will disable the locking code entirely. On - systems that have it, using /var/run would be better than /etc. - - If the the program hangs when flushing outstanding packets (which - you can tell by setting -W), it may help to set -DNONBLOCK_BROKEN. - This seems needed only for obsolete systems, like Ultrix. - - If the system isn't Unix, even vaguely, you will probably need to - modify all of the above, and unix.c as well. - - Note that adjtime is commonly sick, but you don't need to change the - code - just use the -r option whan making large corrections (see below - for more details). - -Any changes needed to header.h or main.c are bugs. They may be bugs in the -code or in the compiler or libraries, but they are bugs. Please prod the -people responsible and tell the author, who may be able to bypass them cleanly -even if they aren't bugs in his code. The code also makes the following -assumptions, which would be quite hard to remove: - - 8-bit bytes. Strictly, neither ANSI/ISO C nor POSIX require these, - and there were some very early versions of Unix on systems with other - byte sizes. But, without a defined sub-byte facility in C, .... - - At least 32-bit ints. Well, actually, this wouldn't be too hard to - remove. But most Unix programs make this assumption, and I have very - little interest in the more rudimentary versions of MS-DOS etc. - - An ANSI/ISO C compiler. It didn't seem worth writing dual-language - code in 1996. Tough luck if you haven't got one. - - Tolerably efficient floating-point arithmetic, with at least 13 digits - (decimal), preferably 15, in the mantissa of doubles. Ditto. If you - want to port this to a toaster, please accept my insincerest sympathies - and don't bother me. - - A trustworthy local network. It does not check for DNS, Ethernet, - packet or other spoofing, and assumes that any accessible NTP or SNTP - servers are properly synchronised. - - -Warnings about Installation and Use ------------------------------------ - -Anyone attempting to fiddle with the clock on their system should already know -how to write system administration scripts, install daemons and so on. There -are a few warnings: - - Don't use the broadcast modes unless you really have to, as the - client-server modes are far more reliable. The broadcast modes were - implemented more for virtuosity (a.k.a. SNTP conformance) than use. - In particular, the error estimates are mere guesses, and may be low - or even very low. And even reading broadcasts needs privilege. - - The program is not intended to be installed setuid or setgid, and - doing so is asking for trouble. Its ownerships and access modes are - not important. It need not be run by root for merely displaying the - time (even in daemon mode). - - The program does not need to run at a high priority (low in Unix - terms!) even when being used to set the clock or as a server, except - when the '-r' option is used. However, doing so may improve its - accuracy. - - Unlike NTP, the SNTP protocol contains no protection against - client-server loops. If you set one up, your systems will spin - themselves off into a disconnected vortex of unreality! - - It will get very confused if another process changes the local time - while it is running. There is some locking code in unix.c to prevent - this program doing this to itself, but it will protect only against - some errors. However, the remaining failures should be harmless. - - Don't run it as a server unless you REALLY know what you are doing. - It should be used as a server only on a system that is properly - synchronised, by fair means or foul. If it isn't, you will simply - perpetrate misinformation. And remember that broadcasts are most - unpopular with overloaded administrators of overloaded networks. - - Watch out for multi-server broadcasts and systems with multiple ports - onto the same Ethernet; there is some code to protect against this, - but it is still easy to get confused. - - Don't put the lock file onto an automounted partition or delete it by - hand, unless you really want to start two daemons at the same time. - Both will probably fail horribly if you do this. - - The daemon save file is checked fairly carefully, but should be in a - reasonably safe directory, unless you want hackers to cause trouble. - /tmp is safe enough on most systems, but not all - /etc is better. - - -Installing and Using the Program --------------------------------- - -Start by copying the executable and man page to where you want them. If you -want only to display the time and as a replacement for the rdate or date -commands, the installation is finished! - -You can use it as a simple unprivileged command to check the time, quite -independently of whether it is running as a time-updating daemon or server, or -whether you are running xntp. You can run it in daemon mode without updating -the clock, to check for drift, but it may fail if the clock is changed under -its feet. Unfortunately, you cannot listen to broadcasts without privilege. - -If it is used with the -a option to keep the time synchronised, it is best to -run it as one of root's cron jobs - for many systems, running it once a day -should be adequate, but it will depend on the reliability of the local clock. -The author runs it this way with -a and -x - see below. - -If it is used with the -r option to set the time (instead of the rdate or date -commands), it should be used interactively and either on a lightly loaded -system or at a high priority. You should then check the result by running it -in display mode. - -You are advised NOT to run it with the -r option in a cron job, though this is -not locked out. If you have to (for example under HP-UX before 10.0), be sure -to run it as the highest priority that will not cause other system problems and -set the maximum automatic change to as low a value as you can get away with. - -WARNING: adjtime is more than a bit sick on many systems, and will ignore large -corrections, usually without any form of hint that it has done so. It is often -(even usually) necessary to reset the clock to approximately the right time -using the -r option before using the -a and -x options to keep it correct. - -It can be started as a time-updating daemon with the -a and -x options (or -r -and -x if you must), and will perform some limited drift correction. In this -case, start it from any suitable system initialisation script and leave it -running. Note that it will stop if it thinks that the time difference or drift -has got out of control, and you will need to reset the time and restart it by -hand. - -In daemon mode, it will survive its time server or network disappearing for a -while, but will eventually fail, and will fail immediately if the network call -returns an unexpected error. If this is a problem, you can start it (say, -hourly or nightly) from cron, and it will fail if it is already running -(provided that you haven't disabled or deleted the lock file). - -If it is used as a server, it should be started from any suitable system -initialisation script, just like any other daemon. It must be started after -the networking, of course. To run it in both server modes, start one copy with -the -B option and one with the -S option. - - -Simple Examples of Use ----------------------- - -Many people use it solely to check the time of their system, especially as a -cross-check on xntpd. You do not need privilege and it will not cause trouble -to the local network, so you can use it on someone else's system! You can -specify one server or several. For example: - - msntp ntp.server.local ntp.server.neighbour - -You can use it to check how your system is drifting, but it isn't very good at -this if the system is drifting very badly (in which case use the previous -technique and dc) or if you are running xntp. You do not need privilege and it -will not cause trouble to the local network. For example: - - msntp -x 120 -f /tmp/msntp.state ntp.server.local - -More generally, it is used to synchronise the clock, in which case you DO need -root privilege. It can be used in many ways, but the author favours running it -in daemon mode, started from a cron job, which will restart after power cuts -with no attention, and send a mail message (if cron is configured to do that) -when it fails badly. For example, the author uses a root crontab entry on one -system of: - - 15 0 * * * /bin/nice --10 /usr/local/bin/msntp -a -x 480 ntp.server.local - -If you have a home computer, it can be set up to resynchronise each time you -dial up. For example, the author uses a /etc/ppp/ip-up.d/msntp file on his -home Linux system of: - - #!/bin/sh - sleep 60 - /bin/nice --10 /usr/local/sbin/msntp -r -P 60 ntp.server.local - --a would be better, but adjtime is broken in Linux. - - -Debugging or Hacking the Program --------------------------------- - -Almost everybody who does this is likely to need to modify only the system -interfaces. While they are messy, they are pretty simple and have a simple -specification. This is documented in comments in the source. This is -described above. - -The main program SHOULD need no attention, though it may need the odd tweak to -bypass compiler problems - please report these, if you encounter any. If -something looks odd while it is running, start by setting the -v option (lower -case), as for investigating network problems, and checking any diagnostics that -appear. Note that most of it can be checked in display mode without harming -your system. - -The client will sometimes give up, complaining about inconsistent timestamps or -similar. This can be caused by the server being rebooted and similar glitches -to the time - unfortunately, there is no reliable way to tell an ignorable -fluctuation from a server up the spout. If this happens annoyingly often, -the -V option may help tie down the problem. In actual use, it is simplest -just to restart the client in a cron job! - -If it needs more than this, then you will need to debug the source seriously. -Start by putting an icepack on your head and pouring yourself a large whisky! -While it is commented, it is not well commented, and much of the code interacts -in complex and horrible ways. This isn't so much because it lacks 'structure' -as because one part needs to make assumptions about the numerical properties of -another. - -The -W option (upper case) will print out a complete trace of everything it -does, and this should be enough to tie down the problem. It does distort the -timing a bit, but not usually too badly. However, wading through that amount -of gibberish (let alone looking at the source) is not a pleasant task. If you -are pretty sure that you have a bug, you may tell the author, and he may ask -for a copy of the output - but he will reply rudely if you send thousands of -lines of tracing to him by Email! - -Note that there are a fair number of circumstances where its error recovery -could be better, but is left as it is to keep the code simple. Most of these -should be pretty rare. - - -Changes in Version 1.2 ----------------------- - -The main change was the addition of the daemon mode for drift correction (i.e. -the -x option). The daemon code is complex and has a lot of special-casing for -strange circumstances, not all of which are testable in practice. - -A lot of the code was reordered while doing this. The output was slightly -different - considerably different with -V. - -The error estimation for broadcasts was modified, and should bear more relation -to reality. It remains a guess, as there is no way to get decent error error -estimates under such circumstances. - -The -B option is now in minutes, and has a different permissible range and -default value. - -The argument consistency checking for broadcasts was tightened up a bit, and a -few other internal checks added. These should not affect any reasonable -requirement. - -A couple of new functions were added to the portability base, but they don't -use any non-standard new facilities. However, the specification of the -functions has changed slightly. - - -Changes in Version 1.3 ----------------------- - -The main change was the addition of the restarting facility for daemon mode -(i.e. the -f option), which is pretty straightforward. - -There were also a lot of minor changes to the paranoia code in daemon mode, to -try to separate out the case of a demented server from network and other -'ignorable' problems. These are not entirely successful. - - -Changes in Version 1.4 and 1.5 ------------------------------- - -There turned out to be a couple of places where the author misunderstood the -specification of NTP, which affect only its use in server mode. The main -change is to use stratum 15 instead of stratum 0. - -And there were some more relaxations of the paranoia code, to allow for more -erratic servers, plus a kludge to improve restarting in daemon mode after a -period of down time has unsynchronised the clock. There is also an -incompatible change to the debugging options to add a new level - the old -V -option is now -W, and -V is an intermediate one for debugging daemon mode - but -they are both hacker's facilities, and not for normal use. - -Version 1.5 adds some very minor fixes. - - -Changes in Version 1.6 ----------------------- - -The first change is support for multiple server addresses - it uses these in a -round-robin fashion. This may be useful when you have access to several -servers, all of which are a bit iffy. This means that the restart file format -is incompatible with msntp 1.5. - -It has also been modified to reset itself automatically after detecting an -inconsistency in its server's timestamps, because the author got sick of the -failures. It writes a comment to syslog (uniquely) in such cases. - -The ability to query a daemon save file was added. - -Related to the above, the -E argument has been redefined to mean an error bound -on various internal times (which is what it had become, anyway) and a -P option -introduced to be what the -E argument was documented to be. - -The lock and save file handling have been changed to allow defaults to be set -at installation time, and to be overridable at run-time. To disable these -at either stage, simply set the file names to the null string. - -And there have been the usual changes for portability, as standards have been -modified and/or introduced. - - -Future Versions ---------------- - -There are unlikely to be any, except probably one to fix bugs in version 1.6. - -I attempted to put support for intermittent connexions (e.g. dial-up) into the -daemon mode, but doing so needs so much code reorganisation that it isn't worth -it. What needs doing for that is to separate the socket handling from the -timekeeping, so that they can be run asynchronously (either in separate -processes or threads), and to look up a network name and open a socket only -when prodded (and to close it immediately thereafter). So just running it -with the -r option is the current best solution. - -I also attempted to put support for the "Unix 2000" interfaces into the code. -Ha, ha. Not merely do very few systems define socklen_t (needed for IPv6 -support), but "Unix 2000" neither addresses the leap second problem nor even -provides an adjtime replacement! Some function like the latter is critical, -not so much because of the gradual change, but because of its atomicity; -without it, msntp really needs to be made non-interruptible, and that brings in -a ghastly number of system-dependencies. - -Realistically, it needs a complete rewrite before adding any more function. -And, worse, the Unix 'standards' need fixing, too. - - - -Miscellaneous -------------- - -Thanks are due to Douglas M. Wells of Connection Technologies for helping the -author with several IP-related conventions, to Sam Nelson of Stirling -University for testing it on some very strange systems, and to David Mills for -clarifying what the NTP specification really is. - -Thanks are also due to several other people with locating bugs, finding -appropriate options for the Makefile and passing on extension code and -suggestions. As I am sure to leave someone out, I shall not name anyone else. - -Version 1.0 - October 1996. -Version 1.1 - November 1996 - mainly portability improvements. -Version 1.2 - January 1997 - mainly drift handling, but much reorganisation. -Version 1.3 - February 1997 - daemon save file, and some robustness changes. -Version 1.4 - May 1997 - relatively minor fixes, more diagnostic levels etc. -Version 1.5 - December 1997 - some very minor fixes -Version 1.6 - October 2000 - quite a few miscellaneous changes - - -Nick Maclaren, -University of Cambridge Computer Laboratory, -New Museums Site, Pembroke Street, Cambridge CB2 3QG, England. -Email: nmm1@cam.ac.uk -Tel.: +44 1223 334761 Fax: +44 1223 334679 diff --git a/contrib/ntp/sntp/aclocal.m4 b/contrib/ntp/sntp/aclocal.m4 deleted file mode 100644 index fb76c3d..0000000 --- a/contrib/ntp/sntp/aclocal.m4 +++ /dev/null @@ -1,835 +0,0 @@ -# generated automatically by aclocal 1.7.7 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 -# Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -# Do all the work for Automake. -*- Autoconf -*- - -# This macro actually does too much some checks are only needed if -# your package does certain things. 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- Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) - echo powerpc-harris-powermax - exit 0 ;; - Night_Hawk:Power_UNIX:*:*) - echo powerpc-harris-powerunix - exit 0 ;; - m88k:CX/UX:7*:*) - echo m88k-harris-cxux7 - exit 0 ;; - m88k:*:4*:R4*) - echo m88k-motorola-sysv4 - exit 0 ;; - m88k:*:3*:R3*) - echo m88k-motorola-sysv3 - exit 0 ;; - AViiON:dgux:*:*) - # DG/UX returns AViiON for all architectures - UNAME_PROCESSOR=`/usr/bin/uname -p` - if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] - then - if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ - [ ${TARGET_BINARY_INTERFACE}x = x ] - then - echo m88k-dg-dgux${UNAME_RELEASE} - else - echo m88k-dg-dguxbcs${UNAME_RELEASE} - fi - else - echo i586-dg-dgux${UNAME_RELEASE} - fi - exit 0 ;; - M88*:DolphinOS:*:*) # DolphinOS (SVR3) - echo m88k-dolphin-sysv3 - exit 0 ;; - M88*:*:R3*:*) - # Delta 88k system running SVR3 - echo m88k-motorola-sysv3 - exit 0 ;; - XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) - echo m88k-tektronix-sysv3 - exit 0 ;; - Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit 0 ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit 0 ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit 0 ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit 0 ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit 0 ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <sys/systemcfg.h> - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && $dummy && exit 0 - echo rs6000-ibm-aix3.2.5 - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit 0 ;; - *:AIX:*:[45]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit 0 ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit 0 ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit 0 ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit 0 ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit 0 ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit 0 ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit 0 ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit 0 ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include <stdlib.h> - #include <unistd.h> - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - # avoid double evaluation of $set_cc_for_build - test -n "$CC_FOR_BUILD" || eval $set_cc_for_build - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E -) | grep __LP64__ >/dev/null - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit 0 ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit 0 ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <unistd.h> - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && $dummy && exit 0 - echo unknown-hitachi-hiuxwe2 - exit 0 ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit 0 ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit 0 ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit 0 ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit 0 ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit 0 ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit 0 ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit 0 ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit 0 ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit 0 ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit 0 ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit 0 ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit 0 ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit 0 ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit 0 ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit 0 ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit 0 ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit 0 ;; - *:UNICOS/mp:*:*) - echo nv1-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit 0 ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit 0 ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit 0 ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit 0 ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit 0 ;; - *:FreeBSD:*:*|*:GNU/FreeBSD:*:*) - # Determine whether the default compiler uses glibc. - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <features.h> - #if __GLIBC__ >= 2 - LIBC=gnu - #else - LIBC= - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^LIBC=` - # GNU/FreeBSD systems have a "k" prefix to indicate we are using - # FreeBSD's kernel, but not the complete OS. - case ${LIBC} in gnu) kernel_only='k' ;; esac - echo ${UNAME_MACHINE}-unknown-${kernel_only}freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`${LIBC:+-$LIBC} - exit 0 ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit 0 ;; - i*:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit 0 ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit 0 ;; - x86:Interix*:[34]*) - echo i586-pc-interix${UNAME_RELEASE}|sed -e 's/\..*//' - exit 0 ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit 0 ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we - # UNAME_MACHINE based on the output of uname instead of i386? - echo i586-pc-interix - exit 0 ;; - i*:UWIN*:*) - echo ${UNAME_MACHINE}-pc-uwin - exit 0 ;; - p*:CYGWIN*:*) - echo powerpcle-unknown-cygwin - exit 0 ;; - prep*:SunOS:5.*:*) - echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit 0 ;; - *:GNU:*:*) - echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` - exit 0 ;; - i*86:Minix:*:*) - echo ${UNAME_MACHINE}-pc-minix - exit 0 ;; - arm*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit 0 ;; - cris:Linux:*:*) - echo cris-axis-linux-gnu - exit 0 ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit 0 ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit 0 ;; - mips:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips - #undef mipsel - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mipsel - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips - #else - CPU= - #endif - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=` - test x"${CPU}" != x && echo "${CPU}-unknown-linux-gnu" && exit 0 - ;; - mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips64 - #undef mips64el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mips64el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips64 - #else - CPU= - #endif - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=` - test x"${CPU}" != x && echo "${CPU}-unknown-linux-gnu" && exit 0 - ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit 0 ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit 0 ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit 0 ;; - parisc:Linux:*:* | hppa:Linux:*:*) - # Look for CPU level - case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in - PA7*) echo hppa1.1-unknown-linux-gnu ;; - PA8*) echo hppa2.0-unknown-linux-gnu ;; - *) echo hppa-unknown-linux-gnu ;; - esac - exit 0 ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu - exit 0 ;; - s390:Linux:*:* | s390x:Linux:*:*) - echo ${UNAME_MACHINE}-ibm-linux - exit 0 ;; - sh64*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit 0 ;; - sh*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit 0 ;; - sparc:Linux:*:* | sparc64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit 0 ;; - x86_64:Linux:*:*) - echo x86_64-unknown-linux-gnu - exit 0 ;; - i*86:Linux:*:*) - # The BFD linker knows what the default object file format is, so - # first see if it will tell us. cd to the root directory to prevent - # problems with other programs or directories called `ld' in the path. - # Set LC_ALL=C to ensure ld outputs messages in English. - ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ - | sed -ne '/supported targets:/!d - s/[ ][ ]*/ /g - s/.*supported targets: *// - s/ .*// - p'` - case "$ld_supported_targets" in - elf32-i386) - TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu" - ;; - a.out-i386-linux) - echo "${UNAME_MACHINE}-pc-linux-gnuaout" - exit 0 ;; - coff-i386) - echo "${UNAME_MACHINE}-pc-linux-gnucoff" - exit 0 ;; - "") - # Either a pre-BFD a.out linker (linux-gnuoldld) or - # one that does not give us useful --help. - echo "${UNAME_MACHINE}-pc-linux-gnuoldld" - exit 0 ;; - esac - # Determine whether the default compiler is a.out or elf - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <features.h> - #ifdef __ELF__ - # ifdef __GLIBC__ - # if __GLIBC__ >= 2 - LIBC=gnu - # else - LIBC=gnulibc1 - # endif - # else - LIBC=gnulibc1 - # endif - #else - #ifdef __INTEL_COMPILER - LIBC=gnu - #else - LIBC=gnuaout - #endif - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^LIBC=` - test x"${LIBC}" != x && echo "${UNAME_MACHINE}-pc-linux-${LIBC}" && exit 0 - test x"${TENTATIVE}" != x && echo "${TENTATIVE}" && exit 0 - ;; - i*86:DYNIX/ptx:4*:*) - # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. - # earlier versions are messed up and put the nodename in both - # sysname and nodename. - echo i386-sequent-sysv4 - exit 0 ;; - i*86:UNIX_SV:4.2MP:2.*) - # Unixware is an offshoot of SVR4, but it has its own version - # number series starting with 2... - # I am not positive that other SVR4 systems won't match this, - # I just have to hope. -- rms. - # Use sysv4.2uw... so that sysv4* matches it. - echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} - exit 0 ;; - i*86:OS/2:*:*) - # If we were able to find `uname', then EMX Unix compatibility - # is probably installed. - echo ${UNAME_MACHINE}-pc-os2-emx - exit 0 ;; - i*86:XTS-300:*:STOP) - echo ${UNAME_MACHINE}-unknown-stop - exit 0 ;; - i*86:atheos:*:*) - echo ${UNAME_MACHINE}-unknown-atheos - exit 0 ;; - i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*) - echo i386-unknown-lynxos${UNAME_RELEASE} - exit 0 ;; - i*86:*DOS:*:*) - echo ${UNAME_MACHINE}-pc-msdosdjgpp - exit 0 ;; - i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) - UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` - if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then - echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} - else - echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} - fi - exit 0 ;; - i*86:*:5:[78]*) - case `/bin/uname -X | grep "^Machine"` in - *486*) UNAME_MACHINE=i486 ;; - *Pentium) UNAME_MACHINE=i586 ;; - *Pent*|*Celeron) UNAME_MACHINE=i686 ;; - esac - echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} - exit 0 ;; - i*86:*:3.2:*) - if test -f /usr/options/cb.name; then - UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name` - echo ${UNAME_MACHINE}-pc-isc$UNAME_REL - elif /bin/uname -X 2>/dev/null >/dev/null ; then - UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` - (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 - (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ - && UNAME_MACHINE=i586 - (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ - && UNAME_MACHINE=i686 - (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ - && UNAME_MACHINE=i686 - echo ${UNAME_MACHINE}-pc-sco$UNAME_REL - else - echo ${UNAME_MACHINE}-pc-sysv32 - fi - exit 0 ;; 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- *:UNIX_System_V:4*:FTX*) - # From Gerald Hewes <hewes@openmarket.com>. - # How about differentiating between stratus architectures? -djm - echo hppa1.1-stratus-sysv4 - exit 0 ;; - *:*:*:FTX*) - # From seanf@swdc.stratus.com. - echo i860-stratus-sysv4 - exit 0 ;; - *:VOS:*:*) - # From Paul.Green@stratus.com. - echo hppa1.1-stratus-vos - exit 0 ;; - mc68*:A/UX:*:*) - echo m68k-apple-aux${UNAME_RELEASE} - exit 0 ;; - news*:NEWS-OS:6*:*) - echo mips-sony-newsos6 - exit 0 ;; - R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) - if [ -d /usr/nec ]; then - echo mips-nec-sysv${UNAME_RELEASE} - else - echo mips-unknown-sysv${UNAME_RELEASE} - fi - exit 0 ;; - BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. - echo powerpc-be-beos - exit 0 ;; - BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. - echo powerpc-apple-beos - exit 0 ;; - BePC:BeOS:*:*) # BeOS running on Intel PC compatible. - echo i586-pc-beos - exit 0 ;; - SX-4:SUPER-UX:*:*) - echo sx4-nec-superux${UNAME_RELEASE} - exit 0 ;; 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- *:Plan9:*:*) - # "uname -m" is not consistent, so use $cputype instead. 386 - # is converted to i386 for consistency with other x86 - # operating systems. - if test "$cputype" = "386"; then - UNAME_MACHINE=i386 - else - UNAME_MACHINE="$cputype" - fi - echo ${UNAME_MACHINE}-unknown-plan9 - exit 0 ;; - *:TOPS-10:*:*) - echo pdp10-unknown-tops10 - exit 0 ;; - *:TENEX:*:*) - echo pdp10-unknown-tenex - exit 0 ;; - KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) - echo pdp10-dec-tops20 - exit 0 ;; - XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) - echo pdp10-xkl-tops20 - exit 0 ;; - *:TOPS-20:*:*) - echo pdp10-unknown-tops20 - exit 0 ;; - *:ITS:*:*) - echo pdp10-unknown-its - exit 0 ;; - SEI:*:*:SEIUX) - echo mips-sei-seiux${UNAME_RELEASE} - exit 0 ;; -esac - -#echo '(No uname command or uname output not recognized.)' 1>&2 -#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 - -eval $set_cc_for_build -cat >$dummy.c <<EOF -#ifdef _SEQUENT_ -# include <sys/types.h> -# include <sys/utsname.h> -#endif -main () -{ -#if defined (sony) -#if defined (MIPSEB) - /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, - I don't know.... */ - printf ("mips-sony-bsd\n"); exit (0); -#else -#include <sys/param.h> - printf ("m68k-sony-newsos%s\n", -#ifdef NEWSOS4 - "4" -#else - "" -#endif - ); exit (0); -#endif -#endif - -#if defined (__arm) && defined (__acorn) && defined (__unix) - printf ("arm-acorn-riscix"); exit (0); -#endif - -#if defined (hp300) && !defined (hpux) - printf ("m68k-hp-bsd\n"); exit (0); -#endif - -#if defined (NeXT) -#if !defined (__ARCHITECTURE__) -#define __ARCHITECTURE__ "m68k" -#endif - int version; - version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; - if (version < 4) - printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); - else - printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); - exit (0); -#endif - -#if defined (MULTIMAX) || defined (n16) -#if defined (UMAXV) - printf ("ns32k-encore-sysv\n"); exit (0); -#else -#if defined (CMU) - printf ("ns32k-encore-mach\n"); exit (0); -#else - printf ("ns32k-encore-bsd\n"); exit (0); -#endif -#endif -#endif - -#if defined (__386BSD__) - printf ("i386-pc-bsd\n"); exit (0); -#endif - -#if defined (sequent) -#if defined (i386) - printf ("i386-sequent-dynix\n"); exit (0); -#endif -#if defined (ns32000) - printf ("ns32k-sequent-dynix\n"); exit (0); -#endif -#endif - -#if defined (_SEQUENT_) - struct utsname un; - - uname(&un); - - if (strncmp(un.version, "V2", 2) == 0) { - printf ("i386-sequent-ptx2\n"); exit (0); - } - if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ - printf ("i386-sequent-ptx1\n"); exit (0); - } - printf ("i386-sequent-ptx\n"); exit (0); - -#endif - -#if defined (vax) -# if !defined (ultrix) -# include <sys/param.h> -# if defined (BSD) -# if BSD == 43 - printf ("vax-dec-bsd4.3\n"); exit (0); -# else -# if BSD == 199006 - printf ("vax-dec-bsd4.3reno\n"); exit (0); -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# endif -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# else - printf ("vax-dec-ultrix\n"); exit (0); -# endif -#endif - -#if defined (alliant) && defined (i860) - printf ("i860-alliant-bsd\n"); exit (0); -#endif - - exit (1); -} -EOF - -$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && $dummy && exit 0 - -# Apollos put the system type in the environment. - -test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; } - -# Convex versions that predate uname can use getsysinfo(1) - -if [ -x /usr/convex/getsysinfo ] -then - case `getsysinfo -f cpu_type` in - c1*) - echo c1-convex-bsd - exit 0 ;; - c2*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit 0 ;; - c34*) - echo c34-convex-bsd - exit 0 ;; - c38*) - echo c38-convex-bsd - exit 0 ;; - c4*) - echo c4-convex-bsd - exit 0 ;; - esac -fi - -cat >&2 <<EOF -$0: unable to guess system type - -This script, last modified $timestamp, has failed to recognize -the operating system you are using. It is advised that you -download the most up to date version of the config scripts from - - ftp://ftp.gnu.org/pub/gnu/config/ - -If the version you run ($0) is already up to date, please -send the following data and any information you think might be -pertinent to <config-patches@gnu.org> in order to provide the needed -information to handle your system. - -config.guess timestamp = $timestamp - -uname -m = `(uname -m) 2>/dev/null || echo unknown` -uname -r = `(uname -r) 2>/dev/null || echo unknown` -uname -s = `(uname -s) 2>/dev/null || echo unknown` -uname -v = `(uname -v) 2>/dev/null || echo unknown` - -/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` -/bin/uname -X = `(/bin/uname -X) 2>/dev/null` - -hostinfo = `(hostinfo) 2>/dev/null` -/bin/universe = `(/bin/universe) 2>/dev/null` -/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` -/bin/arch = `(/bin/arch) 2>/dev/null` -/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` -/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` - -UNAME_MACHINE = ${UNAME_MACHINE} -UNAME_RELEASE = ${UNAME_RELEASE} -UNAME_SYSTEM = ${UNAME_SYSTEM} -UNAME_VERSION = ${UNAME_VERSION} -EOF - -exit 1 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "timestamp='" -# time-stamp-format: "%:y-%02m-%02d" -# time-stamp-end: "'" -# End: diff --git a/contrib/ntp/sntp/config.sub b/contrib/ntp/sntp/config.sub deleted file mode 100755 index c8a01be..0000000 --- a/contrib/ntp/sntp/config.sub +++ /dev/null @@ -1,1504 +0,0 @@ -#! /bin/sh -# Configuration validation subroutine script. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003 Free Software Foundation, Inc. - -timestamp='2003-07-04' - -# This file is (in principle) common to ALL GNU software. -# The presence of a machine in this file suggests that SOME GNU software -# can handle that machine. 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We also -### recognize some manufacturers as not being operating systems, so we -### can provide default operating systems below. -case $os in - -sun*os*) - # Prevent following clause from handling this invalid input. - ;; - -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ - -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ - -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ - -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ - -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ - -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ - -apple | -axis) - os= - basic_machine=$1 - ;; - -sim | -cisco | -oki | -wec | -winbond) - os= - basic_machine=$1 - ;; - -scout) - ;; - -wrs) - os=-vxworks - basic_machine=$1 - ;; - -chorusos*) - os=-chorusos - basic_machine=$1 - ;; - -chorusrdb) - os=-chorusrdb - basic_machine=$1 - ;; - -hiux*) - os=-hiuxwe2 - ;; - -sco5) - os=-sco3.2v5 - basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` - ;; 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- m6811 | m68hc11 | m6812 | m68hc12) - # Motorola 68HC11/12. - basic_machine=$basic_machine-unknown - os=-none - ;; - m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) - ;; - - # We use `pc' rather than `unknown' - # because (1) that's what they normally are, and - # (2) the word "unknown" tends to confuse beginning users. - i*86 | x86_64) - basic_machine=$basic_machine-pc - ;; - # Object if more than one company name word. - *-*-*) - echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 - exit 1 - ;; - # Recognize the basic CPU types with company name. - 580-* \ - | a29k-* \ - | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ - | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ - | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ - | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ - | avr-* \ - | bs2000-* \ - | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \ - | clipper-* | cydra-* \ - | d10v-* | d30v-* | dlx-* \ - | elxsi-* \ - | f30[01]-* | f700-* | fr30-* | frv-* | fx80-* \ - | h8300-* | h8500-* \ - | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ - | i*86-* | i860-* | i960-* | ia64-* \ - | ip2k-* \ - | m32r-* \ - | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ - | m88110-* | m88k-* | mcore-* \ - | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ - | mips16-* \ - | mips64-* | mips64el-* \ - | mips64vr-* | mips64vrel-* \ - | mips64orion-* | mips64orionel-* \ - | mips64vr4100-* | mips64vr4100el-* \ - | mips64vr4300-* | mips64vr4300el-* \ - | mips64vr5000-* | mips64vr5000el-* \ - | mipsisa32-* | mipsisa32el-* \ - | mipsisa32r2-* | mipsisa32r2el-* \ - | mipsisa64-* | mipsisa64el-* \ - | mipsisa64sb1-* | mipsisa64sb1el-* \ - | mipsisa64sr71k-* | mipsisa64sr71kel-* \ - | mipstx39-* | mipstx39el-* \ - | msp430-* \ - | none-* | np1-* | nv1-* | ns16k-* | ns32k-* \ - | orion-* \ - | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ - | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ - | pyramid-* \ - | romp-* | rs6000-* \ - | sh-* | sh[1234]-* | sh[23]e-* | sh[34]eb-* | shbe-* \ - | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ - | sparc-* | sparc64-* | sparc86x-* | sparclet-* | sparclite-* \ - | sparcv9-* | sparcv9b-* | strongarm-* | sv1-* | sx?-* \ - | tahoe-* | thumb-* \ - | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ - | tron-* \ - | v850-* | v850e-* | vax-* \ - | we32k-* \ - | x86-* | x86_64-* | xps100-* | xscale-* | xstormy16-* \ - | xtensa-* \ - | ymp-* \ - | z8k-*) - ;; - # Recognize the various machine names and aliases which stand - # for a CPU type and a company and sometimes even an OS. - 386bsd) - basic_machine=i386-unknown - os=-bsd - ;; - 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) - basic_machine=m68000-att - ;; - 3b*) - basic_machine=we32k-att - ;; - a29khif) - basic_machine=a29k-amd - os=-udi - ;; - adobe68k) - basic_machine=m68010-adobe - os=-scout - ;; - alliant | fx80) - basic_machine=fx80-alliant - ;; - altos | altos3068) - basic_machine=m68k-altos - ;; - am29k) - basic_machine=a29k-none - os=-bsd - ;; - amd64) - basic_machine=x86_64-pc - ;; - amdahl) - basic_machine=580-amdahl - os=-sysv - ;; - amiga | amiga-*) - basic_machine=m68k-unknown - ;; - amigaos | amigados) - basic_machine=m68k-unknown - os=-amigaos - ;; - amigaunix | amix) - basic_machine=m68k-unknown - os=-sysv4 - ;; - apollo68) - basic_machine=m68k-apollo - os=-sysv - ;; - apollo68bsd) - basic_machine=m68k-apollo - os=-bsd - ;; - aux) - basic_machine=m68k-apple - os=-aux - ;; - balance) - basic_machine=ns32k-sequent - os=-dynix - ;; - c90) - basic_machine=c90-cray - os=-unicos - ;; - convex-c1) - basic_machine=c1-convex - os=-bsd - ;; - convex-c2) - basic_machine=c2-convex - os=-bsd - ;; - convex-c32) - basic_machine=c32-convex - os=-bsd - ;; - convex-c34) - basic_machine=c34-convex - os=-bsd - ;; - convex-c38) - basic_machine=c38-convex - os=-bsd - ;; - cray | j90) - basic_machine=j90-cray - os=-unicos - ;; - crds | unos) - basic_machine=m68k-crds - ;; - cris | cris-* | etrax*) - basic_machine=cris-axis - ;; - da30 | da30-*) - basic_machine=m68k-da30 - ;; - decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) - basic_machine=mips-dec - ;; - decsystem10* | dec10*) - basic_machine=pdp10-dec - os=-tops10 - ;; - decsystem20* | dec20*) - basic_machine=pdp10-dec - os=-tops20 - ;; - delta | 3300 | motorola-3300 | motorola-delta \ - | 3300-motorola | delta-motorola) - basic_machine=m68k-motorola - ;; - delta88) - basic_machine=m88k-motorola - os=-sysv3 - ;; - dpx20 | dpx20-*) - basic_machine=rs6000-bull - os=-bosx - ;; - dpx2* | dpx2*-bull) - basic_machine=m68k-bull - os=-sysv3 - ;; - ebmon29k) - basic_machine=a29k-amd - os=-ebmon - ;; - elxsi) - basic_machine=elxsi-elxsi - os=-bsd - ;; - encore | umax | mmax) - basic_machine=ns32k-encore - ;; - es1800 | OSE68k | ose68k | ose | OSE) - basic_machine=m68k-ericsson - os=-ose - ;; - fx2800) - basic_machine=i860-alliant - ;; - genix) - basic_machine=ns32k-ns - ;; - gmicro) - basic_machine=tron-gmicro - os=-sysv - ;; - go32) - basic_machine=i386-pc - os=-go32 - ;; - h3050r* | hiux*) - basic_machine=hppa1.1-hitachi - os=-hiuxwe2 - ;; - h8300hms) - basic_machine=h8300-hitachi - os=-hms - ;; - h8300xray) - basic_machine=h8300-hitachi - os=-xray - ;; - h8500hms) - basic_machine=h8500-hitachi - os=-hms - ;; - harris) - basic_machine=m88k-harris - os=-sysv3 - ;; - hp300-*) - basic_machine=m68k-hp - ;; - hp300bsd) - basic_machine=m68k-hp - os=-bsd - ;; - hp300hpux) - basic_machine=m68k-hp - os=-hpux - ;; - hp3k9[0-9][0-9] | hp9[0-9][0-9]) - basic_machine=hppa1.0-hp - ;; - hp9k2[0-9][0-9] | hp9k31[0-9]) - basic_machine=m68000-hp - ;; - hp9k3[2-9][0-9]) - basic_machine=m68k-hp - ;; - hp9k6[0-9][0-9] | hp6[0-9][0-9]) - basic_machine=hppa1.0-hp - ;; - hp9k7[0-79][0-9] | hp7[0-79][0-9]) - basic_machine=hppa1.1-hp - ;; - hp9k78[0-9] | hp78[0-9]) - # FIXME: really hppa2.0-hp - basic_machine=hppa1.1-hp - ;; - hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) - # FIXME: really hppa2.0-hp - basic_machine=hppa1.1-hp - ;; - hp9k8[0-9][13679] | hp8[0-9][13679]) - basic_machine=hppa1.1-hp - ;; - hp9k8[0-9][0-9] | hp8[0-9][0-9]) - basic_machine=hppa1.0-hp - ;; - hppa-next) - os=-nextstep3 - ;; - hppaosf) - basic_machine=hppa1.1-hp - os=-osf - ;; - hppro) - basic_machine=hppa1.1-hp - os=-proelf - ;; - i370-ibm* | ibm*) - basic_machine=i370-ibm - ;; -# I'm not sure what "Sysv32" means. Should this be sysv3.2? - i*86v32) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-sysv32 - ;; - i*86v4*) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-sysv4 - ;; - i*86v) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-sysv - ;; - i*86sol2) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-solaris2 - ;; - i386mach) - basic_machine=i386-mach - os=-mach - ;; - i386-vsta | vsta) - basic_machine=i386-unknown - os=-vsta - ;; - iris | iris4d) - basic_machine=mips-sgi - case $os in - -irix*) - ;; - *) - os=-irix4 - ;; - esac - ;; - isi68 | isi) - basic_machine=m68k-isi - os=-sysv - ;; - m88k-omron*) - basic_machine=m88k-omron - ;; - magnum | m3230) - basic_machine=mips-mips - os=-sysv - ;; - merlin) - basic_machine=ns32k-utek - os=-sysv - ;; - mingw32) - basic_machine=i386-pc - os=-mingw32 - ;; - miniframe) - basic_machine=m68000-convergent - ;; - *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) - basic_machine=m68k-atari - os=-mint - ;; - mips3*-*) - basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` - ;; - mips3*) - basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown - ;; - mmix*) - basic_machine=mmix-knuth - os=-mmixware - ;; - monitor) - basic_machine=m68k-rom68k - os=-coff - ;; - morphos) - basic_machine=powerpc-unknown - os=-morphos - ;; - msdos) - basic_machine=i386-pc - os=-msdos - ;; - mvs) - basic_machine=i370-ibm - os=-mvs - ;; - ncr3000) - basic_machine=i486-ncr - os=-sysv4 - ;; - netbsd386) - basic_machine=i386-unknown - os=-netbsd - ;; - netwinder) - basic_machine=armv4l-rebel - os=-linux - ;; - news | news700 | news800 | news900) - basic_machine=m68k-sony - os=-newsos - ;; - news1000) - basic_machine=m68030-sony - os=-newsos - ;; - news-3600 | risc-news) - basic_machine=mips-sony - os=-newsos - ;; - necv70) - basic_machine=v70-nec - os=-sysv - ;; - next | m*-next ) - basic_machine=m68k-next - case $os in - -nextstep* ) - ;; - -ns2*) - os=-nextstep2 - ;; - *) - os=-nextstep3 - ;; - esac - ;; - nh3000) - basic_machine=m68k-harris - os=-cxux - ;; - nh[45]000) - basic_machine=m88k-harris - os=-cxux - ;; - nindy960) - basic_machine=i960-intel - os=-nindy - ;; - mon960) - basic_machine=i960-intel - os=-mon960 - ;; - nonstopux) - basic_machine=mips-compaq - os=-nonstopux - ;; - np1) - basic_machine=np1-gould - ;; - nv1) - basic_machine=nv1-cray - os=-unicosmp - ;; - nsr-tandem) - basic_machine=nsr-tandem - ;; - op50n-* | op60c-*) - basic_machine=hppa1.1-oki - os=-proelf - ;; - or32 | or32-*) - basic_machine=or32-unknown - os=-coff - ;; - OSE68000 | ose68000) - basic_machine=m68000-ericsson - os=-ose - ;; - os68k) - basic_machine=m68k-none - os=-os68k - ;; - pa-hitachi) - basic_machine=hppa1.1-hitachi - os=-hiuxwe2 - ;; - paragon) - basic_machine=i860-intel - os=-osf - ;; - pbd) - basic_machine=sparc-tti - ;; - pbb) - basic_machine=m68k-tti - ;; - pc532 | pc532-*) - basic_machine=ns32k-pc532 - ;; - pentium | p5 | k5 | k6 | nexgen | viac3) - basic_machine=i586-pc - ;; - pentiumpro | p6 | 6x86 | athlon | athlon_*) - basic_machine=i686-pc - ;; - pentiumii | pentium2 | pentiumiii | pentium3) - basic_machine=i686-pc - ;; - pentium4) - basic_machine=i786-pc - ;; - pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) - basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pentiumpro-* | p6-* | 6x86-* | athlon-*) - basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) - basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pentium4-*) - basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pn) - basic_machine=pn-gould - ;; - power) basic_machine=power-ibm - ;; - ppc) basic_machine=powerpc-unknown - ;; - ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ppcle | powerpclittle | ppc-le | powerpc-little) - basic_machine=powerpcle-unknown - ;; - ppcle-* | powerpclittle-*) - basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ppc64) basic_machine=powerpc64-unknown - ;; - ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ppc64le | powerpc64little | ppc64-le | powerpc64-little) - basic_machine=powerpc64le-unknown - ;; - ppc64le-* | powerpc64little-*) - basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ps2) - basic_machine=i386-ibm - ;; - pw32) - basic_machine=i586-unknown - os=-pw32 - ;; - rom68k) - basic_machine=m68k-rom68k - os=-coff - ;; - rm[46]00) - basic_machine=mips-siemens - ;; - rtpc | rtpc-*) - basic_machine=romp-ibm - ;; - s390 | s390-*) - basic_machine=s390-ibm - ;; - s390x | s390x-*) - basic_machine=s390x-ibm - ;; - sa29200) - basic_machine=a29k-amd - os=-udi - ;; - sb1) - basic_machine=mipsisa64sb1-unknown - ;; - sb1el) - basic_machine=mipsisa64sb1el-unknown - ;; - sei) - basic_machine=mips-sei - os=-seiux - ;; - sequent) - basic_machine=i386-sequent - ;; - sh) - basic_machine=sh-hitachi - os=-hms - ;; - sh64) - basic_machine=sh64-unknown - ;; - sparclite-wrs | simso-wrs) - basic_machine=sparclite-wrs - os=-vxworks - ;; - sps7) - basic_machine=m68k-bull - os=-sysv2 - ;; - spur) - basic_machine=spur-unknown - ;; - st2000) - basic_machine=m68k-tandem - ;; - stratus) - basic_machine=i860-stratus - os=-sysv4 - ;; - sun2) - basic_machine=m68000-sun - ;; - sun2os3) - basic_machine=m68000-sun - os=-sunos3 - ;; - sun2os4) - basic_machine=m68000-sun - os=-sunos4 - ;; - sun3os3) - basic_machine=m68k-sun - os=-sunos3 - ;; - sun3os4) - basic_machine=m68k-sun - os=-sunos4 - ;; - sun4os3) - basic_machine=sparc-sun - os=-sunos3 - ;; - sun4os4) - basic_machine=sparc-sun - os=-sunos4 - ;; - sun4sol2) - basic_machine=sparc-sun - os=-solaris2 - ;; - sun3 | sun3-*) - basic_machine=m68k-sun - ;; - sun4) - basic_machine=sparc-sun - ;; - sun386 | sun386i | roadrunner) - basic_machine=i386-sun - ;; - sv1) - basic_machine=sv1-cray - os=-unicos - ;; - symmetry) - basic_machine=i386-sequent - os=-dynix - ;; - t3e) - basic_machine=alphaev5-cray - os=-unicos - ;; - t90) - basic_machine=t90-cray - os=-unicos - ;; - tic54x | c54x*) - basic_machine=tic54x-unknown - os=-coff - ;; - tic55x | c55x*) - basic_machine=tic55x-unknown - os=-coff - ;; - tic6x | c6x*) - basic_machine=tic6x-unknown - os=-coff - ;; - tx39) - basic_machine=mipstx39-unknown - ;; 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See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. - -if test -z "$depmode" || test -z "$source" || test -z "$object"; then - echo "depcomp: Variables source, object and depmode must be set" 1>&2 - exit 1 -fi -# `libtool' can also be set to `yes' or `no'. - -if test -z "$depfile"; then - base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` - dir=`echo "$object" | sed 's,/.*$,/,'` - if test "$dir" = "$object"; then - dir= - fi - # FIXME: should be _deps on DOS. - depfile="$dir.deps/$base" -fi - -tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} - -rm -f "$tmpdepfile" - -# Some modes work just like other modes, but use different flags. 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This is to cope with DOS-style filenames: - # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. - "$@" $dashmflag | - sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" - rm -f "$depfile" - cat < "$tmpdepfile" > "$depfile" - tr ' ' ' -' < "$tmpdepfile" | \ -## Some versions of the HPUX 10.20 sed can't process this invocation -## correctly. Breaking it into two sed invocations is a workaround. - sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -dashXmstdout) - # This case only exists to satisfy depend.m4. 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Breaking it into two sed invocations is a workaround. - sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" "$tmpdepfile".bak - ;; - -cpp) - # Important note: in order to support this mode, a compiler *must* - # always write the proprocessed file to stdout. - "$@" || exit $? - - # Remove the call to Libtool. - if test "$libtool" = yes; then - while test $1 != '--mode=compile'; do - shift - done - shift - fi - - # Remove `-o $object'. - IFS=" " - for arg - do - case $arg in - -o) - shift - ;; - $object) - shift - ;; - *) - set fnord "$@" "$arg" - shift # fnord - shift # $arg - ;; - esac - done - - "$@" -E | - sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | - sed '$ s: \\$::' > "$tmpdepfile" - rm -f "$depfile" - echo "$object : \\" > "$depfile" - cat < "$tmpdepfile" >> "$depfile" - sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -msvisualcpp) - # Important note: in order to support this mode, a compiler *must* - # always write the proprocessed file to stdout, regardless of -o, - # because we must use -o when running libtool. - "$@" || exit $? - IFS=" " - for arg - do - case "$arg" in - "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") - set fnord "$@" - shift - shift - ;; - *) - set fnord "$@" "$arg" - shift - shift - ;; - esac - done - "$@" -E | - sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" - rm -f "$depfile" - echo "$object : \\" > "$depfile" - . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" - echo " " >> "$depfile" - . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -none) - exec "$@" - ;; - -*) - echo "Unknown depmode $depmode" 1>&2 - exit 1 - ;; -esac - -exit 0 diff --git a/contrib/ntp/sntp/header.h b/contrib/ntp/sntp/header.h deleted file mode 100644 index f107b1d..0000000 --- a/contrib/ntp/sntp/header.h +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright (C) 1996 N.M. Maclaren - Copyright (C) 1996 The University of Cambridge - -This includes all of the 'safe' headers and definitions used across modules. -No changes should be needed for any system that is even remotely like Unix. */ - - - -#include <ctype.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> - - - -#define VERSION "1.6" /* Just the version string */ -#define MAX_SOCKETS 10 /* Maximum number of addresses */ - -#ifndef LOCKNAME - #define LOCKNAME "/etc/msntp.pid" /* Stores the pid */ -#endif -#ifndef SAVENAME - #define SAVENAME "/etc/msntp.state" /* Stores the recovery state */ -#endif - - - -/* Defined in main.c */ - -#define op_client 1 /* Behave as a challenge client */ -#define op_server 2 /* Behave as a response server */ -#define op_listen 3 /* Behave as a listening client */ -#define op_broadcast 4 /* Behave as a broadcast server */ - -extern const char *argv0; - -extern int verbose, operation; - -extern const char *lockname; - -extern void fatal (int syserr, const char *message, const char *insert); - - - -/* Defined in unix.c */ - -extern void do_nothing (int seconds); - -extern int ftty (FILE *file); - -extern void set_lock (int lock); - -extern void log_message (const char *message); - - - -/* Defined in internet.c */ - -/* extern void find_address (struct in_addr *address, int *port, char *hostname, - int timespan); */ - -#define PREF_FAM_INET 1 -#define PREF_FAM_INET6 2 -extern void preferred_family(int); - - -/* Defined in socket.c */ - -extern void open_socket (int which, char *hostnames, int timespan); - -extern void write_socket (int which, void *packet, int length); - -extern int read_socket (int which, void *packet, int length, int waiting); - -extern int flush_socket (int which); - -extern void close_socket (int which); - - - -/* Defined in timing.c */ - -extern double current_time (double offset); - -extern time_t convert_time (double value, int *millisecs); - -extern void adjust_time (double difference, int immediate, double ignore); diff --git a/contrib/ntp/sntp/install-sh b/contrib/ntp/sntp/install-sh deleted file mode 100755 index 6ce63b9..0000000 --- a/contrib/ntp/sntp/install-sh +++ /dev/null @@ -1,294 +0,0 @@ -#!/bin/sh -# -# install - install a program, script, or datafile -# -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- -# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# -# Except as contained in this notice, the name of the X Consortium shall not -# be used in advertising or otherwise to promote the sale, use or other deal- -# ings in this Software without prior written authorization from the X Consor- -# tium. -# -# -# FSF changes to this file are in the public domain. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. It can only install one file at a time, a restriction -# shared with many OS's install programs. - - -# set DOITPROG to echo to test this script - -# Don't use :- since 4.3BSD and earlier shells don't like it. -doit="${DOITPROG-}" - - -# put in absolute paths if you don't have them in your path; or use env. vars. - -mvprog="${MVPROG-mv}" -cpprog="${CPPROG-cp}" -chmodprog="${CHMODPROG-chmod}" -chownprog="${CHOWNPROG-chown}" -chgrpprog="${CHGRPPROG-chgrp}" -stripprog="${STRIPPROG-strip}" -rmprog="${RMPROG-rm}" -mkdirprog="${MKDIRPROG-mkdir}" - -transformbasename="" -transform_arg="" -instcmd="$mvprog" -chmodcmd="$chmodprog 0755" -chowncmd="" -chgrpcmd="" -stripcmd="" -rmcmd="$rmprog -f" -mvcmd="$mvprog" -src="" -dst="" -dir_arg="" - -while [ x"$1" != x ]; do - case $1 in - -c) instcmd=$cpprog - shift - continue;; - - -d) dir_arg=true - shift - continue;; - - -m) chmodcmd="$chmodprog $2" - shift - shift - continue;; - - -o) chowncmd="$chownprog $2" - shift - shift - continue;; - - -g) chgrpcmd="$chgrpprog $2" - shift - shift - continue;; - - -s) stripcmd=$stripprog - shift - continue;; - - -t=*) transformarg=`echo $1 | sed 's/-t=//'` - shift - continue;; - - -b=*) transformbasename=`echo $1 | sed 's/-b=//'` - shift - continue;; - - *) if [ x"$src" = x ] - then - src=$1 - else - # this colon is to work around a 386BSD /bin/sh bug - : - dst=$1 - fi - shift - continue;; - esac -done - -if [ x"$src" = x ] -then - echo "$0: no input file specified" >&2 - exit 1 -else - : -fi - -if [ x"$dir_arg" != x ]; then - dst=$src - src="" - - if [ -d "$dst" ]; then - instcmd=: - chmodcmd="" - else - instcmd=$mkdirprog - fi -else - -# Waiting for this to be detected by the "$instcmd $src $dsttmp" command -# might cause directories to be created, which would be especially bad -# if $src (and thus $dsttmp) contains '*'. - - if [ -f "$src" ] || [ -d "$src" ] - then - : - else - echo "$0: $src does not exist" >&2 - exit 1 - fi - - if [ x"$dst" = x ] - then - echo "$0: no destination specified" >&2 - exit 1 - else - : - fi - -# If destination is a directory, append the input filename; if your system -# does not like double slashes in filenames, you may need to add some logic - - if [ -d "$dst" ] - then - dst=$dst/`basename "$src"` - else - : - fi -fi - -## this sed command emulates the dirname command -dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` - -# Make sure that the destination directory exists. -# this part is taken from Noah Friedman's mkinstalldirs script - -# Skip lots of stat calls in the usual case. -if [ ! -d "$dstdir" ]; then -defaultIFS=' - ' -IFS="${IFS-$defaultIFS}" - -oIFS=$IFS -# Some sh's can't handle IFS=/ for some reason. -IFS='%' -set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` -IFS=$oIFS - -pathcomp='' - -while [ $# -ne 0 ] ; do - pathcomp=$pathcomp$1 - shift - - if [ ! -d "$pathcomp" ] ; - then - $mkdirprog "$pathcomp" - else - : - fi - - pathcomp=$pathcomp/ -done -fi - -if [ x"$dir_arg" != x ] -then - $doit $instcmd "$dst" && - - if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && - if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && - if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && - if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi -else - -# If we're going to rename the final executable, determine the name now. - - if [ x"$transformarg" = x ] - then - dstfile=`basename "$dst"` - else - dstfile=`basename "$dst" $transformbasename | - sed $transformarg`$transformbasename - fi - -# don't allow the sed command to completely eliminate the filename - - if [ x"$dstfile" = x ] - then - dstfile=`basename "$dst"` - else - : - fi - -# Make a couple of temp file names in the proper directory. - - dsttmp=$dstdir/_inst.$$_ - rmtmp=$dstdir/_rm.$$_ - -# Trap to clean up temp files at exit. - - trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 - trap '(exit $?); exit' 1 2 13 15 - -# Move or copy the file name to the temp name - - $doit $instcmd "$src" "$dsttmp" && - -# and set any options; do chmod last to preserve setuid bits - -# If any of these fail, we abort the whole thing. If we want to -# ignore errors from any of these, just make sure not to ignore -# errors from the above "$doit $instcmd $src $dsttmp" command. - - if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && - if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && - if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && - if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && - -# Now remove or move aside any old file at destination location. We try this -# two ways since rm can't unlink itself on some systems and the destination -# file might be busy for other reasons. In this case, the final cleanup -# might fail but the new file should still install successfully. - -{ - if [ -f "$dstdir/$dstfile" ] - then - $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || - $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || - { - echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 - (exit 1); exit - } - else - : - fi -} && - -# Now rename the file to the real destination. - - $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" - -fi && - -# The final little trick to "correctly" pass the exit status to the exit trap. - -{ - (exit 0); exit -} diff --git a/contrib/ntp/sntp/internet.c b/contrib/ntp/sntp/internet.c deleted file mode 100644 index 2d23e50..0000000 --- a/contrib/ntp/sntp/internet.c +++ /dev/null @@ -1,221 +0,0 @@ -/* Copyright (C) 1996 N.M. Maclaren - Copyright (C) 1996 The University of Cambridge - -This includes all of the code needed to handle Internet addressing. It is way -outside current POSIX, unfortunately. It should be easy to convert to a system -that uses another mechanism. The signal handling is not necessary for its -function, but is an attempt to avoid the program hanging when the name server -is inaccessible. */ - - - -#include "header.h" -#include "internet.h" - -#include <netdb.h> -#include <arpa/inet.h> - -#define INTERNET -#include "kludges.h" -#undef INTERNET - - -/* Used to force dns resolving to ipv4 or ipv6 addresses. */ -static int pref_family; - -/* There needs to be some disgusting grobble for handling timeouts, which is -identical to the grobble in socket.c. */ - -static jmp_buf jump_buffer; - -static void jump_handler (int sig) { - longjmp(jump_buffer,1); -} - -static void clear_alarm (void) { - int k; - - k = errno; - alarm(0); - errno = 0; - if (signal(SIGALRM,SIG_DFL) == SIG_ERR) - fatal(1,"unable to reset signal handler",NULL); - errno = k; -} - -void preferred_family(int fam) { - switch(fam) { - case PREF_FAM_INET: - pref_family = AF_INET; - break; -#ifdef HAVE_IPV6 - case PREF_FAM_INET6: - pref_family = AF_INET6; - break; -#endif - default: - fatal(0,"unable to set the preferred family", NULL); - break; - } -} - -#ifdef HAVE_IPV6 - -void find_address (struct sockaddr_storage *address, - struct sockaddr_storage *anywhere, struct sockaddr_storage *everywhere, - int *port, char *hostname, int timespan) { - -/* Locate the specified NTP server and return its Internet address and port -number. */ - - int family, rval; - struct addrinfo hints; - struct addrinfo *res; - struct sockaddr_in *sin; - struct sockaddr_in6 *sin6; - - res = NULL; - memset(address, 0, sizeof(struct sockaddr_storage)); - memset(anywhere, 0, sizeof(struct sockaddr_storage)); - memset(everywhere, 0, sizeof(struct sockaddr_storage)); - - if (setjmp(jump_buffer)) - fatal(0,"unable to set up access to NTP server %s",hostname); - errno = 0; - if (signal(SIGALRM,jump_handler) == SIG_ERR) - fatal(1,"unable to set up signal handler",NULL); - alarm((unsigned int)timespan); - -/* Look up the Internet name or IP number. */ - memset(&hints, 0, sizeof(hints)); - hints.ai_socktype = SOCK_DGRAM; - hints.ai_family = pref_family; - rval = getaddrinfo(hostname, "ntp", &hints, &res); - if (rval != 0) - fatal(0, "getaddrinfo failed with %s", gai_strerror(rval)); - -/* Now clear the timer and check the result. */ - - clear_alarm(); - /* There can be more than one address in the list, but for now only - use the first. */ - memcpy(address, res->ai_addr, res->ai_addrlen); - family = res->ai_family; - freeaddrinfo(res); - - switch(family) { - case AF_INET: - hints.ai_family = AF_INET; - hints.ai_flags = AI_PASSIVE; - rval = getaddrinfo(NULL, "ntp", &hints, &res); - if (rval != 0) - fatal(0, "getaddrinfo failed with %s", gai_strerror(rval)); - memcpy(anywhere, res->ai_addr, res->ai_addrlen); - freeaddrinfo(res); - rval = getaddrinfo("255.255.255.255", "ntp", &hints, &res); - if (rval != 0) - fatal(0, "getaddrinfo failed with %s", gai_strerror(rval)); - memcpy(everywhere, res->ai_addr, res->ai_addrlen); - freeaddrinfo(res); - break; - case AF_INET6: - hints.ai_family = AF_INET6; - hints.ai_flags = AI_PASSIVE; - rval = getaddrinfo(NULL, "ntp", &hints, &res); - if (rval != 0) - fatal(0, "getaddrinfo failed with %s", gai_strerror(rval)); - memcpy(anywhere, res->ai_addr, res->ai_addrlen); - freeaddrinfo(res); - /* IPv6 do not have broadcast, give it loopback. */ - hints.ai_flags = 0; - rval = getaddrinfo(NULL, "ntp", &hints, &res); - if (rval != 0) - fatal(0, "getaddrinfo failed with %s", gai_strerror(rval)); - memcpy(everywhere, res->ai_addr, res->ai_addrlen); - freeaddrinfo(res); - break; - } -} - -#else - -void find_address (struct in_addr *address, struct in_addr *anywhere, - struct in_addr *everywhere, int *port, char *hostname, int timespan) { - -/* Locate the specified NTP server and return its Internet address and port -number. */ - - unsigned long ipaddr; - struct in_addr nowhere[1]; - struct hostent *host; - struct servent *service; - -/* Set up the reserved Internet addresses, attempting not to assume that -addresses are 32 bits. */ - - local_to_address(nowhere,INADDR_LOOPBACK); - local_to_address(anywhere,INADDR_ANY); - local_to_address(everywhere,INADDR_BROADCAST); - -/* Check the address, if any. This assumes that the DNS is reliable, or is at -least checked by someone else. But it doesn't assume that it is accessible, so -it needs to set up a timeout. */ - - if (hostname == NULL) - *address = *anywhere; - else { - if (setjmp(jump_buffer)) - fatal(0,"unable to set up access to NTP server %s",hostname); - errno = 0; - if (signal(SIGALRM,jump_handler) == SIG_ERR) - fatal(1,"unable to set up signal handler",NULL); - alarm((unsigned int)timespan); - -/* Look up the Internet name or IP number. */ - - if (! isdigit(hostname[0])) { - errno = 0; - host = gethostbyname(hostname); - } else { - if ((ipaddr = inet_addr(hostname)) == (unsigned long)-1) - fatal(0,"invalid IP number %s",hostname); - network_to_address(address,ipaddr); - errno = 0; - host = gethostbyaddr((void *)address,sizeof(struct in_addr), - AF_INET); - } - -/* Now clear the timer and check the result. */ - - clear_alarm(); - if (host == NULL) fatal(1,"unable to locate IP address/number",NULL); - if (host->h_length != sizeof(struct in_addr)) - fatal(0,"the address does not seem to be an Internet one",NULL); - *address = *((struct in_addr **)host->h_addr_list)[0]; - if (memcmp(address,nowhere,sizeof(struct in_addr)) == 0 || - memcmp(address,anywhere,sizeof(struct in_addr)) == 0 || - memcmp(address,everywhere,sizeof(struct in_addr)) == 0) - fatal(0,"reserved IP numbers cannot be used",NULL); - if (verbose) - fprintf(stderr, - "%s: using NTP server %s (%s)\n", - argv0,host->h_name,inet_ntoa(*address)); - } - -/* Find out the port number (usually from /etc/services), and leave it in -network format. This is assumed not to be obtained from a network service! -Note that a port number is not assumed to be 16 bits. */ - - if ((service = getservbyname("ntp","udp")) != NULL) { - *port = service->s_port; - if (verbose > 2) - fprintf(stderr,"Using port %d for NTP\n",port_to_integer(*port)); - } else { - *port = NTP_PORT; - if (verbose) - fprintf(stderr, - "%s: assuming port %d for NTP - check /etc/services\n", - argv0,port_to_integer(*port)); - } -} -#endif diff --git a/contrib/ntp/sntp/internet.h b/contrib/ntp/sntp/internet.h deleted file mode 100644 index 993dce6..0000000 --- a/contrib/ntp/sntp/internet.h +++ /dev/null @@ -1,47 +0,0 @@ -/* Copyright (C) 1996 N.M. Maclaren - Copyright (C) 1996 The University of Cambridge - -This includes all of the 'Internet' headers and definitions used across -modules, including those for handling timeouts. No changes should be needed -for any version of Unix with Internet (IP version 5) addressing, but would be -for other addressing domains. It needs <sys/socket.h> only because AF_INET is -needed by gethostbyaddr and is defined there rather than in <netdb.h>, for some -damn-fool reason. */ - - - -#include <setjmp.h> -#include <signal.h> - -#include <unistd.h> -#include <sys/types.h> -#include <netinet/in.h> -#include <sys/socket.h> - - - -/* It is most unclear whether these should be here or in kludges.h, as they are -kludges to keep 32-bit address dependencies out of the main body of internet.c, -to allow for the much heralded arrival of IP version 6. It will be interesting -to see whether the universal availability of 64-bit integers arrives first. */ - -#define local_to_address(x,y) ((x)->s_addr = htonl((unsigned long)y)) -#define network_to_address(x,y) ((x)->s_addr = (y)) - -#define NTP_PORT htons((unsigned short)123) /* If not in /etc/services */ -#define port_to_integer(x) (ntohs((unsigned short)(x))) - - -#if defined(_SS_MAXSIZE) || defined(_SS_SIZE) -#define HAVE_IPV6 -#endif - -/* Defined in internet.c */ -#ifdef HAVE_IPV6 -extern void find_address (struct sockaddr_storage *address, - struct sockaddr_storage *anywhere, struct sockaddr_storage *everwhere, - int *port, char *hostname, int timespan); -#else -extern void find_address (struct in_addr *address, struct in_addr *anywhere, - struct in_addr *everwhere, int *port, char *hostname, int timespan); -#endif diff --git a/contrib/ntp/sntp/kludges.h b/contrib/ntp/sntp/kludges.h deleted file mode 100644 index dc78c8d..0000000 --- a/contrib/ntp/sntp/kludges.h +++ /dev/null @@ -1,62 +0,0 @@ -/* Copyright (C) 1996, 2000 N.M. Maclaren - Copyright (C) 1996, 2000 The University of Cambridge - -This includes all of the kludges necessary for certain broken systems. It is -called after all other headers. All of the modules set a flag to say which -they are, but none of the current kludges critically need that information. */ - - - -/* stdlib.h is broken under SunOS4. */ - -#ifndef EXIT_SUCCESS -#define EXIT_SUCCESS 0 -#define EXIT_FAILURE 1 -#endif - - - -/* stdio.h is also broken under SunOS4. */ - -#ifndef SEEK_SET -#define SEEK_SET 0 -#endif - - - -/* netinet/in.h sometimes omits INADDR_LOOPBACK, or makes it conditional on -peculiar preprocessor symbols. */ - -#ifndef INADDR_LOOPBACK -#define INADDR_LOOPBACK 0x7f000001ul -#endif - - - -/* HP-UX up to version 9.x does not have adjtime, so make it fail. This needs -a flag setting in Makefile. */ - -#ifdef ADJTIME_MISSING -#define adjtime(x,y) 1 -#endif - - - -/* O_NONBLOCK doesn't work under Ultrix 4.3. This needs a flag setting in -Makefile. */ - -#ifdef NONBLOCK_BROKEN -#ifdef O_NONBLOCK -#undef O_NONBLOCK -#endif -#define O_NONBLOCK O_NDELAY -#endif - - - -/* Some older systems use EWOULDBLOCK rather than EAGAIN, but don't assume that -it is defined. The differences are not relevant to this program. */ - -#ifndef EWOULDBLOCK -#define EWOULDBLOCK EAGAIN -#endif diff --git a/contrib/ntp/sntp/main.c b/contrib/ntp/sntp/main.c deleted file mode 100644 index 13e527c..0000000 --- a/contrib/ntp/sntp/main.c +++ /dev/null @@ -1,1789 +0,0 @@ -/* Copyright (C) 1996, 1997, 2000 N.M. Maclaren - Copyright (C) 1996, 1997, 2000 The University of Cambridge - -This is a complete SNTP implementation, which was easier to write than to port -xntp to a new version of Unix with any hope of maintaining it thereafter. It -supports the full SNTP (RFC 2030) client- and server-side challenge-response -and broadcast protocols. It should achieve nearly optimal accuracy with very -few transactions, provided only that a client has access to a trusted server -and that communications are not INVARIABLY slow. As this is the environment in -which 90-99% of all NTP systems are run .... - -The specification of this program is: - - msntp [ --help | -h | -? ] [ -v | -V | -W ] - [ -B [ period ] | -S | -q [ -f savefile ] | - [ { -r | -a } [ -P prompt ] [ -l lockfile ] ] - [ -c count ] [ -e minerr ][ -E maxerr ] - [ -d delay | -x [ separation ] [ -f savefile ] ] - [ -4 | -6 ] [ address(es) ] ] - - --help, -h and -? all print the syntax of the command. - - -v indicates that diagnostic messages should be written to standard error, -and -V requests more output for investigating apparently inconsistent -timestamps. -W requests very verbose debugging output, and will interfere with -the timing when writing to the terminal (because of line buffered output from -C); it is useful only when debugging the source. Note that the times produced -by -V and -W are the corrections needed, and not the error in the local clock. - - -B indicates that it should behave as a server, broadcasting time packets -at intervals of 'period' minutes. Acceptable values of 'period' are from 1 to -1440 (a day) and the default is 60. Naturally, this will work only if the -user has enough privilege. - - -S indicates that it should behave as a server, responding to time requests -from clients. Naturally, this will work only if the user has enough privilege. - - -q indicates that it will query a savefile that is being maintained by -it being run in daemon mode. - - The default is that it should behave as a client, and the following options -are then relevant: - - -r indicates that the system clock should be reset by 'settimeofday'. -Naturally, this will work only if the user has enough privilege. - - -a indicates that the system clock should be reset by 'adjtime'. -Naturally, this will work only if the user has enough privilege. - - -x indicates that the program should run as a daemon (i.e. forever), and -allow for clock drift. - - -4 or -6 force dns resolving to ipv4 or ipv6 addresses. - - The default is to write the current date and time to the standard output in -a format like '1996 Oct 15 20:17:25.123 + 4.567 +/- 0.089 secs', indicating the -estimated true (local) time and the error in the local clock. In daemon mode, -it will add drift information in a format like ' + 1.3 +/- 0.1 ppm', and -display this at roughly 'separation' intervals. - - 'minerr' is the maximum ignorable variation between the clocks. Acceptable -values are from 0.001 to 1, and the default is 0.1 if 'address' is specified -and 0.5 otherwise. - - 'maxerr' is the maximum value of various delays that are deemed acceptable. -Acceptable values are from 1 to 60, and the default is 5. It should sometimes -be increased if there are problems with the network, NTP server or system -clock, but take care. - - 'prompt' is the maximum clock change that will be made automatically. -Acceptable values are from 1 to 3600, and the default is 30. If the program is -being run interactively, larger values will cause a prompt. The value may also -be 'no', and the change will be made without prompting. - - 'count' is the maximum number of NTP packets to require. Acceptable values -are from 1 to 25 if 'address' is specified and '-x' is not, and from 5 to 25 -otherwise; the default is 5. If the maximum isn't enough, you need a better -consistency algorithm than this program uses. Don't increase it. - - 'delay' is a rough limit on the total running time in seconds. Acceptable -values are from 1 to 3600, and the default is 15 if 'address' is specified and -300 otherwise. - - 'separation' is the time to wait between calls to the server in minutes if -'address' is specified, and the minimum time between broadcast packets if not. -Acceptable values are from 1 to 1440 (a day), and the default is 300. - - 'lockfile' may be used in an update mode to ensure that there is only -one copy of msntp running at once. The default is installation-dependent, -but will usually be /etc/msntp.pid. - - 'savefile' may be used in daemon mode to store a record of previous -packets, which may speed up recalculating the drift after msntp has to be -restarted (e.g. because of network or server outages). The default is -installation-dependent, but will usually be /etc/msntp.state. Note that -there is no locking of this file, and using it twice may cause chaos. - - 'address' is the DNS name or IP number of a host to poll; if no name is -given, the program waits for broadcasts. Note that a single component numeric -address is not allowed. - -For sanity, it is also required that 'minerr' < 'maxerr' < 'delay' (if -listening for broadcasts, 'delay/count' and, in daemon mode, 'separation') and, -for sordid Unixish reasons, that 2*'count' < 'delay'. The last could be fixed, -but isn't worth it. Note that none of the above values are closely linked to -the limits described in the NTP protocol (RFC 1305). Do not increase the -compiled-in bounds excessively, or the code will fail. - -The algorithm used to decide whether to accept a correction is whether it would -seem to improve matters. Unlike the 'xntp' suite, little attempt is made to -handle really knotted scenarios, and diagnostics are written to standard error. -In non-daemon client mode, it is intended to be run as a command or in a 'cron' -job. Unlike 'ntpdate', its default mode is simply to display the clock error. - -It assumes that floating-point arithmetic is tolerably efficient, which is true -for even the cheapest personal computer nowadays. If, however, you want to -port this to a toaster, you may have problems! - -In its terminating modes, its return code is EXIT_SUCCESS if the operation was -completed successfully and EXIT_FAILURE otherwise. - -In server or daemon mode, it runs for ever and stops with a return code -EXIT_FAILURE only after a severe error. Commonly, two server processes will be -run, one with each of the -B and -S options. In daemon mode, it will fail if -the server is inaccessible for a long time or seriously sick, and will need -manual restarting. - - -WARNING: this program has reached its 'hack count' and needs restructuring, -badly. Perhaps the worst code is in run_daemon(). You are advised not to -fiddle unless you really have to. */ - - - -#include "header.h" - -#include <limits.h> -#include <float.h> -#include <math.h> - -#define MAIN -#include "kludges.h" -#undef MAIN - - - -/* NTP definitions. Note that these assume 8-bit bytes - sigh. There is -little point in parameterising everything, as it is neither feasible nor -useful. It would be very useful if more fields could be defined as -unspecified. The NTP packet-handling routines contain a lot of extra -assumptions. */ - -#define JAN_1970 2208988800.0 /* 1970 - 1900 in seconds */ -#define NTP_SCALE 4294967296.0 /* 2^32, of course! */ - -#define NTP_PACKET_MIN 48 /* Without authentication */ -#define NTP_PACKET_MAX 68 /* With authentication (ignored) */ -#define NTP_DISP_FIELD 8 /* Offset of dispersion field */ -#define NTP_REFERENCE 16 /* Offset of reference timestamp */ -#define NTP_ORIGINATE 24 /* Offset of originate timestamp */ -#define NTP_RECEIVE 32 /* Offset of receive timestamp */ -#define NTP_TRANSMIT 40 /* Offset of transmit timestamp */ - -#define NTP_LI_FUDGE 0 /* The current 'status' */ -#define NTP_VERSION 3 /* The current version */ -#define NTP_VERSION_MAX 4 /* The maximum valid version */ -#define NTP_STRATUM 15 /* The current stratum as a server */ -#define NTP_STRATUM_MAX 15 /* The maximum valid stratum */ -#define NTP_POLLING 8 /* The current 'polling interval' */ -#define NTP_PRECISION 0 /* The current 'precision' - 1 sec. */ - -#define NTP_ACTIVE 1 /* NTP symmetric active request */ -#define NTP_PASSIVE 2 /* NTP symmetric passive response */ -#define NTP_CLIENT 3 /* NTP client request */ -#define NTP_SERVER 4 /* NTP server response */ -#define NTP_BROADCAST 5 /* NTP server broadcast */ - -#define NTP_INSANITY 3600.0 /* Errors beyond this are hopeless */ -#define RESET_MIN 15 /* Minimum period between resets */ -#define ABSCISSA 3.0 /* Scale factor for standard errors */ - - - -/* Local definitions and global variables (mostly options). These are all of -the quantities that control the main actions of the program. The first three -are the only ones that are exported to other modules. */ - -const char *argv0 = NULL; /* For diagnostics only - not NULL */ -int verbose = 0, /* Default = 0, -v = 1, -V = 2, -W = 3 */ - operation = 0; /* Defined in header.h - see action */ -const char *lockname = NULL; /* The name of the lock file */ - -#define COUNT_MAX 25 /* Do NOT increase this! */ -#define WEEBLE_FACTOR 1.2 /* See run_server() and run_daemon() */ -#define ETHERNET_MAX 5 /* See run_daemon() and run_client() */ - -#define action_display 1 /* Just display the result */ -#define action_reset 2 /* Reset using 'settimeofday' */ -#define action_adjust 3 /* Reset using 'adjtime' */ -#define action_broadcast 4 /* Behave as a server, broadcasting */ -#define action_server 5 /* Behave as a server for clients */ -#define action_query 6 /* Query a daemon savefile */ - -#define save_read_only 1 /* Read the saved state only */ -#define save_read_check 2 /* Read and check it */ -#define save_write 3 /* Write the saved state */ -#define save_clear 4 /* Clear the saved state */ - -static const char version[] = VERSION; /* For reverse engineering :-) */ -static int action = 0, /* Defined above - see operation */ - period = 0, /* -B value in seconds (broadcast) */ - count = 0, /* -c value in seconds */ - delay = 0, /* -d or -x value in seconds */ - attempts = 0, /* Packets transmitted up to 2*count */ - waiting = 0, /* -d/-c except for in daemon mode */ - locked = 0; /* set_lock(1) has been called */ -static double outgoing[2*COUNT_MAX], /* Transmission timestamps */ - minerr = 0.0, /* -e value in seconds */ - maxerr = 0.0, /* -E value in seconds */ - prompt = 0.0, /* -p value in seconds */ - dispersion = 0.0; /* The source dispersion in seconds */ -static FILE *savefile = NULL; /* Holds the data to restart from */ - - - -/* The unpacked NTP data structure, with all the fields even remotely relevant -to SNTP. */ - -typedef struct NTP_DATA { - unsigned char status, version, mode, stratum, polling, precision; - double dispersion, reference, originate, receive, transmit, current; -} ntp_data; - - - -/* The following structure is used to keep a record of packets in daemon mode; -it contains only the information that is actually used for the drift and error -calculations. */ - -typedef struct { - double dispersion, weight, when, offset, error; -} data_record; - - - -void fatal (int syserr, const char *message, const char *insert) { - -/* Issue a diagnostic and stop. Be a little paranoid about recursion. */ - - int k = errno; - static int called = 0; - - if (message != NULL) { - fprintf(stderr,"%s: ",argv0); - fprintf(stderr,message,insert); - fprintf(stderr,"\n"); - } - errno = k; - if (syserr) perror(argv0); - if (! called) { - called = 1; - if (savefile != NULL && fclose(savefile)) - fatal(1,"unable to close the daemon save file",NULL); - if (locked) set_lock(0); - } - exit(EXIT_FAILURE); -} - - - -void syntax (int halt) { - -/* The standard, unfriendly Unix error message. Some errors are diagnosed more -helpfully. This is called before any files or sockets are opened. */ - - fprintf(stderr,"Syntax: %s [ --help | -h | -? ] [ -v | -V | -W ] \n",argv0); - fprintf(stderr," [ -B period | -S | -q [ -f savefile ] |\n"); - fprintf(stderr," [ { -r | -a } [ -P prompt ] [ -l lockfile ] ]\n"); - fprintf(stderr," [ -c count ] [ -e minerr ] [ -E maxerr ]\n"); - fprintf(stderr," [ -d delay | -x [ separation ] "); - fprintf(stderr,"[ -f savefile ] ]\n"); - fprintf(stderr," [ -4 | -6 ] [ address(es) ] ]\n"); - if (halt) exit(EXIT_FAILURE); -} - - - -void display_data (ntp_data *data) { - -/* This formats the essential NTP data, as a debugging aid. */ - - fprintf(stderr,"sta=%d ver=%d mod=%d str=%d pol=%d dis=%.6f ref=%.6f\n", - data->status,data->version,data->mode,data->stratum,data->polling, - data->dispersion,data->reference); - fprintf(stderr,"ori=%.6f rec=%.6f\n",data->originate,data->receive); - fprintf(stderr,"tra=%.6f cur=%.6f\n",data->transmit,data->current); -} - - - -void display_packet (unsigned char *packet, int length) { - -/* This formats a possible packet very roughly, as a debugging aid. */ - - int i; - - if (length < NTP_PACKET_MIN || length > NTP_PACKET_MAX) return; - for (i = 0; i < length; ++i) { - if (i != 0 && i%32 == 0) - fprintf(stderr,"\n"); - else if (i != 0 && i%4 == 0) - fprintf(stderr," "); - fprintf(stderr,"%.2x",packet[i]); - } - fprintf(stderr,"\n"); -} - - - -void pack_ntp (unsigned char *packet, int length, ntp_data *data) { - -/* Pack the essential data into an NTP packet, bypassing struct layout and -endian problems. Note that it ignores fields irrelevant to SNTP. */ - - int i, k; - double d; - - memset(packet,0,(size_t)length); - packet[0] = (data->status<<6)|(data->version<<3)|data->mode; - packet[1] = data->stratum; - packet[2] = data->polling; - packet[3] = data->precision; - d = data->originate/NTP_SCALE; - for (i = 0; i < 8; ++i) { - if ((k = (int)(d *= 256.0)) >= 256) k = 255; - packet[NTP_ORIGINATE+i] = k; - d -= k; - } - d = data->receive/NTP_SCALE; - for (i = 0; i < 8; ++i) { - if ((k = (int)(d *= 256.0)) >= 256) k = 255; - packet[NTP_RECEIVE+i] = k; - d -= k; - } - d = data->transmit/NTP_SCALE; - for (i = 0; i < 8; ++i) { - if ((k = (int)(d *= 256.0)) >= 256) k = 255; - packet[NTP_TRANSMIT+i] = k; - d -= k; - } -} - - - -void unpack_ntp (ntp_data *data, unsigned char *packet, int length) { - -/* Unpack the essential data from an NTP packet, bypassing struct layout and -endian problems. Note that it ignores fields irrelevant to SNTP. */ - - int i; - double d; - - data->current = current_time(JAN_1970); /* Best to come first */ - data->status = (packet[0] >> 6); - data->version = (packet[0] >> 3)&0x07; - data->mode = packet[0]&0x07; - data->stratum = packet[1]; - data->polling = packet[2]; - data->precision = packet[3]; - d = 0.0; - for (i = 0; i < 4; ++i) d = 256.0*d+packet[NTP_DISP_FIELD+i]; - data->dispersion = d/65536.0; - d = 0.0; - for (i = 0; i < 8; ++i) d = 256.0*d+packet[NTP_REFERENCE+i]; - data->reference = d/NTP_SCALE; - d = 0.0; - for (i = 0; i < 8; ++i) d = 256.0*d+packet[NTP_ORIGINATE+i]; - data->originate = d/NTP_SCALE; - d = 0.0; - for (i = 0; i < 8; ++i) d = 256.0*d+packet[NTP_RECEIVE+i]; - data->receive = d/NTP_SCALE; - d = 0.0; - for (i = 0; i < 8; ++i) d = 256.0*d+packet[NTP_TRANSMIT+i]; - data->transmit = d/NTP_SCALE; -} - - - -void make_packet (ntp_data *data, int mode) { - -/* Create an outgoing NTP packet, either from scratch or starting from a -request from a client. Note that it implements the NTP specification, even -when this is clearly misguided, except possibly for the setting of LI. It -would be easy enough to add a sanity flag, but I am not in the business of -designing an alternative protocol (however much better it might be). */ - - data->status = NTP_LI_FUDGE<<6; - data->stratum = NTP_STRATUM; - data->reference = data->dispersion = 0.0; - if (mode == NTP_SERVER) { - data->mode = (data->mode == NTP_CLIENT ? NTP_SERVER : NTP_PASSIVE); - data->originate = data->transmit; - data->receive = data->current; - } else { - data->version = NTP_VERSION; - data->mode = mode; - data->polling = NTP_POLLING; - data->precision = NTP_PRECISION; - data->receive = data->originate = 0.0; - } - data->current = data->transmit = current_time(JAN_1970); -} - - - -int read_packet (int which, ntp_data *data, double *off, double *err) { - -/* Check the packet and work out the offset and optionally the error. Note -that this contains more checking than xntp does. This returns 0 for success, 1 -for failure and 2 for an ignored broadcast packet (a kludge for servers). Note -that it must not change its arguments if it fails. */ - - unsigned char receive[NTP_PACKET_MAX+1]; - double delay1, delay2, x, y; - int response = 0, failed, length, i, k; - -/* Read the packet and deal with diagnostics. */ - - if ((length = read_socket(which,receive,NTP_PACKET_MAX+1,waiting)) <= 0) - return 1; - if (length < NTP_PACKET_MIN || length > NTP_PACKET_MAX) { - if (verbose) - fprintf(stderr,"%s: bad length %d for NTP packet on socket %d\n", - argv0,length,which); - return 1; - } - if (verbose > 2) { - fprintf(stderr,"Incoming packet on socket %d:\n",which); - display_packet(receive,length); - } - unpack_ntp(data,receive,length); - if (verbose > 2) display_data(data); - -/* Start by checking that the packet looks reasonable. Be a little paranoid, -but allow for version 1 semantics and sick clients. */ - - if (operation == op_server) { - if (data->mode == NTP_BROADCAST) return 2; - failed = (data->mode != NTP_CLIENT && data->mode != NTP_ACTIVE); - } else if (operation == op_listen) - failed = (data->mode != NTP_BROADCAST); - else { - failed = (data->mode != NTP_SERVER && data->mode != NTP_PASSIVE); - response = 1; - } - if (failed || data->status != 0 || data->version < 1 || - data->version > NTP_VERSION_MAX || - data->stratum > NTP_STRATUM_MAX) { - if (verbose) - fprintf(stderr, - "%s: totally spurious NTP packet rejected on socket %d\n", - argv0,which); - return 1; - } - -/* Note that the conventions are very poorly defined in the NTP protocol, so we -have to guess. Any full NTP server perpetrating completely unsynchronised -packets is an abomination, anyway, so reject it. */ - - delay1 = data->transmit-data->receive; - delay2 = data->current-data->originate; - failed = ((data->stratum != 0 && data->stratum != NTP_STRATUM_MAX && - data->reference == 0.0) || - (operation != op_server && data->transmit == 0.0)); - if (response && - (data->originate == 0.0 || data->receive == 0.0 || - (data->reference != 0.0 && data->receive < data->reference) || - delay1 < 0.0 || delay1 > NTP_INSANITY || delay2 < 0.0 || - data->dispersion > NTP_INSANITY)) - failed = 1; - if (failed) { - if (verbose) - fprintf(stderr, - "%s: incomprehensible NTP packet rejected on socket %d\n", - argv0,which); - return 1; - } - -/* If it is a response, check that it corresponds to one of our requests and -has got here in a reasonable length of time. */ - - if (response) { - k = 0; - for (i = 0; i < attempts; ++i) - if (data->originate == outgoing[i]) { - outgoing[i] = 0.0; - ++k; - } - if (k != 1 || delay2 > NTP_INSANITY) { - if (verbose) - fprintf(stderr, - "%s: bad response from NTP server rejected on socket %d\n", - argv0,which); - return 1; - } - } - -/* Now return the time information. If it is a server response, it contains -enough information that we can be almost certain that we have not been fooled -too badly. Heaven help us with broadcasts - make a wild kludge here, and see -elsewhere for other kludges. */ - - if (dispersion < data->dispersion) dispersion = data->dispersion; - if (operation == op_listen || operation == op_server) { - *off = data->transmit-data->current; - *err = NTP_INSANITY; - } else { - x = data->receive-data->originate; - y = (data->transmit == 0.0 ? 0.0 : data->transmit-data->current); - *off = 0.5*(x+y); - *err = x-y; - x = data->current-data->originate; - if (0.5*x > *err) *err = 0.5*x; - } - return 0; -} - - - -void format_time (char *text, int length, double offset, double error, - double drift, double drifterr) { - -/* Format the current time into a string, with the extra information as -requested. Note that the rest of the program uses the correction needed, which -is what is printed for diagnostics, but this formats the error in the local -system for display to users. So the results from this are the negation of -those printed by the verbose options. */ - - int milli, len; - time_t now; - struct tm *gmt; - static const char *months[] = { - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" - }; - -/* Work out and format the current local time. Note that some semi-ANSI -systems do not set the return value from (s)printf. */ - - now = convert_time(current_time(offset),&milli); - errno = 0; - if ((gmt = localtime(&now)) == NULL) - fatal(1,"unable to work out local time",NULL); - len = 24; - if (length <= len) fatal(0,"internal error calling format_time",NULL); - errno = 0; - sprintf(text,"%.4d %s %.2d %.2d:%.2d:%.2d.%.3d", - gmt->tm_year+1900,months[gmt->tm_mon],gmt->tm_mday, - gmt->tm_hour,gmt->tm_min,gmt->tm_sec,milli); - if (strlen(text) != len) - fatal(1,"unable to format current local time",NULL); - -/* Append the information about the offset, if requested. */ - - if (error >= 0.0) { - if (length < len+30) - fatal(0,"internal error calling format_time",NULL); - errno = 0; - sprintf(&text[len]," %c %.3f +/- %.3f secs",(offset > 0.0 ? '-' : '+'), - (offset > 0.0 ? offset : -offset),dispersion+error); - if (strlen(&text[len]) < 22) - fatal(1,"unable to format clock correction",NULL); - } - -/* Append the information about the drift, if requested. */ - - if (drifterr >= 0.0) { - len = strlen(text); - if (length < len+25) - fatal(0,"internal error calling format_time",NULL); - errno = 0; - sprintf(&text[len]," %c %.1f +/- %.1f ppm", - (drift > 0.0 ? '-' : '+'),1.0e6*fabs(drift), - 1.0e6*drifterr); - if (strlen(&text[len]) < 17) - fatal(1,"unable to format clock correction",NULL); - } - -/* It would be better to check for field overflow, but it is a lot of code to -trap extremely implausible scenarios. This will usually stop chaos from -spreading. */ - - if (strlen(text) >= length) - fatal(0,"internal error calling format_time",NULL); -} - - - -double reset_clock (double offset, double error, int daemon) { - -/* Reset the clock, if appropriate, and return the correction actually used. -This contains most of the checking for whether changes are worthwhile, except -in daemon mode. */ - - double absoff = (offset < 0 ? -offset : offset); - char text[50]; - -/* If the correction is large, ask for confirmation before proceeding. */ - - if (absoff > prompt) { - if (! daemon && ftty(stdin) && ftty(stdout)) { - printf("The time correction is %.3f +/- %.3f+%.3f seconds\n", - offset,dispersion,error); - printf("Do you want to correct the time anyway? "); - fflush(stdout); - if (toupper(getchar()) != 'Y') { - printf("OK - quitting\n"); - fatal(0,NULL,NULL); - } - } else { - sprintf(text,"%.3f +/- %.3f+%.3f",offset,dispersion,error); - fatal(0,"time correction too large: %s seconds",text); - } - } - -/* See if the correction is reasonably reliable and worth making. */ - - if (absoff < (daemon ? 0.5 : 1.0)*minerr) { - if (daemon ? verbose > 1 : verbose) - fprintf(stderr,"%s: correction %.3f +/- %.3f+%.3f secs - ignored\n", - argv0,offset,dispersion,error); - return 0.0; - } else if (absoff < 2.0*error) { - if (daemon ? verbose > 1 : verbose) - fprintf(stderr, - "%s: correction %.3f +/- %.3f+%.3f secs - suppressed\n", - argv0,offset,dispersion,error); - return 0.0; - } - -/* Make the correction. Provide some protection against the previous -correction not having completed, but it will rarely help much. */ - - adjust_time(offset,(action == action_reset ? 1 : 0), - (daemon ? 2.0*minerr : 0.0)); - if (daemon ? verbose > 1 : verbose) { - format_time(text,50,0.0,-1.0,0.0,-1.0); - fprintf(stderr, - "%s: time changed by %.3f secs to %s +/- %.3f+%.3f\n", - argv0,offset,text,dispersion,error); - } - return offset; -} - - - -void run_server (void) { - -/* Set up a socket, and either broadcast at intervals or wait for requests. -It is quite tricky to get this to fail, and it will usually indicate that the -local system is sick. */ - - unsigned char transmit[NTP_PACKET_MIN]; - ntp_data data; - double started = current_time(JAN_1970), successes = 0.0, failures = 0.0, - broadcasts = 0.0, weeble = 1.0, x, y; - int i, j; - - open_socket(0,NULL,delay); - while (1) { - -/* In server mode, provide some tracing of normal running (but not too much, -except when debugging!) */ - - if (operation == op_server) { - x = current_time(JAN_1970)-started; - if (verbose && x/3600.0+successes+failures >= weeble) { - weeble *= WEEBLE_FACTOR; - x -= 3600.0*(i = (int)(x/3600.0)); - x -= 60.0*(j = (int)(x/60.0)); - if (i > 0) - fprintf(stderr,"%s: after %d hours %d mins ",argv0,i,j); - else if (j > 0) - fprintf(stderr,"%s: after %d mins %.0f secs ",argv0,j,x); - else - fprintf(stderr,"%s: after %.1f secs ",argv0,x); - fprintf(stderr,"%.0f acc. %.0f rej. %.0f b'cast\n", - successes,failures,broadcasts); - } - -/* Respond to incoming requests or plaster broadcasts over the net. Note that -we could skip almost all of the decoding, but it provides a healthy amount of -error detection. We could print some information on incoming packets, but the -code is not structured to do this very helpfully. */ - - i = read_packet(0,&data,&x,&y); - if (i == 2) { - ++broadcasts; - continue; - } else if (i != 0) { - ++failures; - continue; - } else { - ++successes; - make_packet(&data,NTP_SERVER); - } - } else { - do_nothing(period); - make_packet(&data,NTP_BROADCAST); - } - if (verbose > 2) { - fprintf(stderr,"Outgoing packet:\n"); - display_data(&data); - } - pack_ntp(transmit,NTP_PACKET_MIN,&data); - if (verbose > 2) display_packet(transmit,NTP_PACKET_MIN); - write_socket(0,transmit,NTP_PACKET_MIN); - } -} - - - -double estimate_stats (int *a_total, int *a_index, data_record *record, - double correction, double *a_disp, double *a_when, double *a_offset, - double *a_error, double *a_drift, double *a_drifterr, int *a_wait, - int update) { - -/* This updates the running statistics and returns the best estimate of what to -do now. It returns the timestamp relevant to the correction. If broadcasts -are rare and the drift is large, it will fail - you should then use a better -synchronisation method. It will also fail if something goes severely wrong -(e.g. if the local clock is reset by another process or the transmission errors -are beyond reason). - -There is a kludge for synchronisation loss during down time. If it detects -this, it will update only the history data and return zero; this is then -handled specially in run_daemon(). While it could correct the offset, this -might not always be the right thing to do. */ - - double weight, disp, when, offset, error, drift, drifterr, - now, e, w, x, y, z; - int total = *a_total, index = *a_index, wait = *a_wait, i; - char text[50]; - -/* Correct the previous data and store a new entry in the circular buffer. */ - - for (i = 0; i < total; ++i) { - record[i].when += correction; - record[i].offset -= correction; - } - if (update) { - record[index].dispersion = *a_disp; - record[index].when = *a_when; - record[index].offset = *a_offset; - if (verbose > 1) - fprintf(stderr,"%s: corr=%.3f when=%.3f disp=%.3f off=%.3f", - argv0,correction,*a_when,*a_disp,*a_offset); /* See below */ - if (operation == op_listen) { - if (verbose > 1) fprintf(stderr,"\n"); - record[index].error = minerr; - record[index].weight = 1.0; - } else { - if (verbose > 1) fprintf(stderr," err=%.3f\n",*a_error); - record[index].error = x = *a_error; - record[index].weight = 1.0/(x > minerr ? x*x : minerr*minerr); - } - if (++index >= count) index = 0; - *a_index = index; - if (++total > count) total = count; - *a_total = total; - if (verbose > 2) - fprintf(stderr,"corr=%.6f tot=%d ind=%d\n",correction,total,index); - } - -/* If there is insufficient data yet, use the latest estimates and return -forthwith. Note that this will not work for broadcasts, but they will be -disabled in run_daemon(). */ - - if ((operation == op_listen && total < count && update) || total < 3) { - *a_drift = 0.0; - *a_drifterr = -1.0; - *a_wait = delay; - return *a_when; - } - -/* Work out the average time, offset, error etc. Note that the dispersion is -not subject to the central limit theorem. Unfortunately, the variation in the -source's dispersion is our only indication of how consistent its clock is. */ - - disp = weight = when = offset = y = 0.0; - for (i = 0; i < total; ++i) { - weight += w = record[i].weight; - when += w*record[i].when; - offset += w*record[i].offset; - y += w*record[i].dispersion; - if (disp < record[i].dispersion) - disp = record[i].dispersion; - } - when /= weight; - offset /= weight; - y /= weight; - if (verbose > 2) - fprintf(stderr,"disp=%.6f wgt=%.3f when=%.6f off=%.6f\n", - disp,weight,when,offset); - -/* If there is enough data, estimate the drift and errors by regression. Note -that it is essential to calculate the mean square error, not the mean error. */ - - error = drift = x = z = 0.0; - for (i = 0; i < total; ++i) { - w = record[i].weight/weight; - x += w*(record[i].when-when)*(record[i].when-when); - drift += w*(record[i].when-when)*(record[i].offset-offset); - z += w*(record[i].offset-offset)*(record[i].offset-offset); - error += w*record[i].error*record[i].error+ - 2.0*w*(record[i].dispersion-y)*(record[i].dispersion-y); - } - if (verbose > 2) - fprintf(stderr,"X2=%.3f XY=%.6f Y2=%.9f E2=%.9f ",x,drift,z,error); - -/* When calculating the errors, add some paranoia mainly to check for coding -errors and complete lunacy, attempting to retry if at all possible. Because -glitches at this point are so common, log a reset even in non-verbose mode. -There will be more thorough checks later. Note that we cannot usefully check -the error for broadcasts. */ - - z -= drift*drift/x; - if (verbose > 2) fprintf(stderr,"S2=%.9f\n",z); - if (! update) { - if (z > 1.0e6) - fatal(0,"stored data too unreliable for time estimation",NULL); - } else if (operation == op_client) { - e = error+disp*disp+minerr*minerr; - if (z > e) { - if (verbose || z >= maxerr*maxerr) - fprintf(stderr, - "%s: excessively high error %.3f > %.3f > %.3f\n", - argv0,sqrt(z),sqrt(e),sqrt(error)); - if (total <= 1) - return 0.0; - else if (z < maxerr*maxerr) { - sprintf(text,"resetting on error %.3g > %.3g", - sqrt(z),sqrt(e)); - log_message(text); - return 0.0; - } else - fatal(0,"incompatible (i.e. erroneous) timestamps",NULL); - } else if (z > error && verbose) - fprintf(stderr, - "%s: anomalously high error %.3f > %.3f, but < %.3f\n", - argv0,sqrt(z),sqrt(error),sqrt(e)); - } else { - if (z > maxerr*maxerr) - fatal(0,"broadcasts too unreliable for time estimation",NULL); - } - drift /= x; - drifterr = ABSCISSA*sqrt(z/(x*total)); - error = (operation == op_listen ? minerr : 0.0)+ABSCISSA*sqrt(z/total); - if (verbose > 2) - fprintf(stderr,"err=%.6f drift=%.6f+/-%.6f\n",error,drift,drifterr); - if (error+drifterr*delay > NTP_INSANITY) - fatal(0,"unable to get a reasonable drift estimate",NULL); - -/* Estimate the optimal short-loop period, checking it carefully. Remember to -check that this whole process is likely to be accurate enough and that the -delay function may be inaccurate. */ - - wait = delay; - x = (drift < 0.0 ? -drift : drift); - if (x*delay < 0.5*minerr) { - if (verbose > 2) fprintf(stderr,"Drift too small to correct\n"); - } else if (x < 2.0*drifterr) { - if (verbose > 2) - fprintf(stderr,"Drift correction suppressed\n"); - } else { - if ((z = drifterr*delay) < 0.5*minerr) z = 0.5*minerr; - wait = (x < z/delay ? delay : (int)(z/x+0.5)); - wait = (int)(delay/(int)(delay/(double)wait+0.999)+0.999); - if (wait > delay) - fatal(0,"internal error in drift calculation",NULL); - if (update && (drift*wait > maxerr || wait < RESET_MIN)) { - sprintf(text,"%.6f+/-%.6f",drift,drifterr); - fatal(0,"drift correction too large: %s",text); - } - } - if (wait < *a_wait/2) wait = *a_wait/2; - if (wait > *a_wait*2) wait = *a_wait*2; - -/* Now work out what the correction should be, as distinct from what it should -have been, remembering that older times are less certain. */ - - now = current_time(JAN_1970); - x = now-when; - offset += x*drift; - error += x*drifterr; - for (i = 0; i < total; ++i) { - x = now-record[i].when; - z = record[i].error+x*drifterr; - if (z < error) { - when = record[i].when; - offset = record[i].offset+x*drift; - error = z; - } - } - if (verbose > 2) - fprintf(stderr,"now=%.6f when=%.6f off=%.6f err=%.6f wait=%d\n", - now,when,offset,error,wait); - -/* Finally, return the result. */ - - *a_disp = disp; - *a_when = when; - *a_offset = offset; - *a_error = error; - *a_drift = drift; - *a_drifterr = drifterr; - *a_wait = wait; - return now; -} - - - -double correct_drift (double *a_when, double *a_offset, double drift) { - -/* Correct for the drift since the last time it was done, provided that a long -enough time has elapsed. And do remember to kludge up the time and -discrepancy, when appropriate. */ - - double d, x; - - d = current_time(JAN_1970)-*a_when; - *a_when += d; - x = *a_offset+d*drift; - if (verbose > 2) - fprintf(stderr,"Correction %.6f @ %.6f off=%.6f ",x,*a_when,*a_offset); - if (d >= waiting && (x < 0.0 ? -x : x) >= 0.5*minerr) { - if (verbose > 2) fprintf(stderr,"performed\n"); - adjust_time(x,(action == action_reset ? 1 : 0),0.5*minerr); - *a_offset = 0.0; - return x; - } else { - if (verbose > 2) fprintf(stderr,"ignored\n"); - *a_offset = x; - return 0.0; - } -} - - - -void handle_saving (int operation, int *total, int *index, int *cycle, - data_record *record, double *previous, double *when, double *correction) { - -/* This handles the saving and restoring of the state to a file. While it is -subject to spoofing, this is not a major security problem. But, out of general -paranoia, check everything in sight when restoring. Note that this function -has no external effect if something goes wrong. */ - - struct { - data_record record[COUNT_MAX]; - double previous, when, correction; - int operation, delay, count, total, index, cycle, waiting; - } buffer; - double x, y; - int i, j; - - if (savefile == NULL) return; - -/* Read the restart file and print its data in diagnostic mode. Note that some -care is necessary to avoid introducing a security exposure - but we trust the -C library not to trash the stack on bad numbers! */ - - if (operation == save_read_only || operation == save_read_check) { - if (fread(&buffer,sizeof(buffer),1,savefile) != 1 || ferror(savefile)) { - if (ferror(savefile)) - fatal(1,"unable to read record from daemon save file",NULL); - else if (verbose) - fprintf(stderr,"%s: bad daemon restart information\n",argv0); - return; - } - if (verbose > 2) { - fprintf(stderr,"Reading prev=%.6f when=%.6f corr=%.6f\n", - buffer.previous,buffer.when,buffer.correction); - fprintf(stderr,"op=%d dly=%d cnt=%d tot=%d ind=%d cyc=%d wait=%d\n", - buffer.operation,buffer.delay,buffer.count,buffer.total, - buffer.index,buffer.cycle,buffer.waiting); - if (buffer.total < COUNT_MAX) - for (i = 0; i < buffer.total; ++i) - fprintf(stderr, - "disp=%.6f wgt=%.3f when=%.6f off=%.6f err=%.6f\n", - buffer.record[i].dispersion,buffer.record[i].weight, - buffer.record[i].when,buffer.record[i].offset, - buffer.record[i].error); - } - - -/* Start checking the data for sanity. */ - - if (buffer.operation == 0 && buffer.delay == 0 && buffer.count == 0) { - if (operation < 0) - fatal(0,"the daemon save file has been cleared",NULL); - if (verbose) - fprintf(stderr,"%s: restarting from a cleared file\n",argv0); - return; - } - if (operation == save_read_check) { - if (buffer.operation != operation || buffer.delay != delay || - buffer.count != count) { - if (verbose) - fprintf(stderr,"%s: different parameters for restart\n", - argv0); - return; - } - if (buffer.total < 1 || buffer.total > count || buffer.index < 0 || - buffer.index >= count || buffer.cycle < 0 || - buffer.cycle >= count || buffer.correction < -maxerr || - buffer.correction > maxerr || buffer.waiting < RESET_MIN || - buffer.waiting > delay || buffer.previous > buffer.when || - buffer.previous < buffer.when-count*delay || - buffer.when >= *when) { - if (verbose) - fprintf(stderr,"%s: corrupted restart information\n",argv0); - return; - } - -/* Checking the record is even more tedious. */ - - x = *when; - y = 0.0; - for (i = 0; i < buffer.total; ++i) { - if (buffer.record[i].dispersion < 0.0 || - buffer.record[i].dispersion > maxerr || - buffer.record[i].weight <= 0.0 || - buffer.record[i].weight > 1.001/(minerr*minerr) || - buffer.record[i].offset < -count*maxerr || - buffer.record[i].offset > count*maxerr || - buffer.record[i].error < 0.0 || - buffer.record[i].error > maxerr) { - if (verbose) - fprintf(stderr,"%s: corrupted restart record\n",argv0); - return; - } - if (buffer.record[i].when < x) x = buffer.record[i].when; - if (buffer.record[i].when > y) y = buffer.record[i].when; - } - -/* Check for consistency and, finally, whether this is too old. */ - - if (y > buffer.when || y-x < (buffer.total-1)*delay || - y-x > (buffer.total-1)*count*delay) { - if (verbose) - fprintf(stderr,"%s: corrupted restart times\n",argv0); - return; - } - if (buffer.when < *when-count*delay) { - if (verbose) - fprintf(stderr,"%s: restart information too old\n",argv0); - return; - } - } - -/* If we get here, just copy the data back. */ - - memcpy(record,buffer.record,sizeof(buffer.record)); - *previous = buffer.previous; - *when = buffer.when; - *correction = buffer.correction; - *total = buffer.total; - *index = buffer.index; - *cycle = buffer.cycle; - waiting = buffer.waiting; - memset(&buffer,0,sizeof(buffer)); - -/* Print out the data if requested. */ - - if (verbose > 1) { - fprintf(stderr,"%s: prev=%.3f when=%.3f corr=%.3f\n", - argv0,*previous,*when,*correction); - for (i = 0; i < *total; ++i) { - if ((j = i+*index-*total) < 0) j += *total; - fprintf(stderr,"%s: when=%.3f disp=%.3f off=%.3f", - argv0,record[j].when,record[j].dispersion,record[j].offset); - if (operation == op_client) - fprintf(stderr," err=%.3f\n",record[j].error); - else - fprintf(stderr,"\n"); - } - } - -/* All errors on output are fatal. */ - - } else if (operation == save_write) { - memcpy(buffer.record,record,sizeof(buffer.record)); - buffer.previous = *previous; - buffer.when = *when; - buffer.correction = *correction; - buffer.operation = operation; - buffer.delay = delay; - buffer.count = count; - buffer.total = *total; - buffer.index = *index; - buffer.cycle = *cycle; - buffer.waiting = waiting; - if (fseek(savefile,0l,SEEK_SET) != 0 || - fwrite(&buffer,sizeof(buffer),1,savefile) != 1 || - fflush(savefile) != 0 || ferror(savefile)) - fatal(1,"unable to write record to daemon save file",NULL); - if (verbose > 2) { - fprintf(stderr,"Writing prev=%.6f when=%.6f corr=%.6f\n", - *previous,*when,*correction); - fprintf(stderr,"op=%d dly=%d cnt=%d tot=%d ind=%d cyc=%d wait=%d\n", - operation,delay,count,*total,*index,*cycle,waiting); - if (*total < COUNT_MAX) - for (i = 0; i < *total; ++i) - fprintf(stderr, - "disp=%.6f wgt=%.3f when=%.6f off=%.6f err=%.6f\n", - record[i].dispersion,record[i].weight, - record[i].when,record[i].offset,record[i].error); - } - -/* Clearing the save file is similar. */ - - } else if (operation == save_clear) { - if (fseek(savefile,0l,SEEK_SET) != 0 || - fwrite(&buffer,sizeof(buffer),1,savefile) != 1 || - fflush(savefile) != 0 || ferror(savefile)) - fatal(1,"unable to clear daemon save file",NULL); - } else - fatal(0,"internal error in handle_saving",NULL); -} - - - -void query_savefile (void) { - -/* This queries a daemon save file. */ - - double previous, when, correction = 0.0, offset = 0.0, error = -1.0, - drift = 0.0, drifterr = -1.0; - data_record record[COUNT_MAX]; - int total = 0, index = 0, cycle = 0; - char text[100]; - -/* This is a few lines stripped out of run_daemon() and slightly hacked. */ - - previous = when = current_time(JAN_1970); - if (verbose > 2) { - format_time(text,50,0.0,-1.0,0.0,-1.0); - fprintf(stderr,"Started=%.6f %s\n",when,text); - } - handle_saving(save_read_only,&total,&index,&cycle,record,&previous,&when, - &correction); - estimate_stats(&total,&index,record,correction,&dispersion, - &when,&offset,&error,&drift,&drifterr,&waiting,0); - format_time(text,100,offset,error,drift,drifterr); - printf("%s\n",text); - if (fclose(savefile)) fatal(1,"unable to close daemon save file",NULL); - if (verbose > 2) fprintf(stderr,"Stopped normally\n"); - exit(EXIT_SUCCESS); -} - - - -void run_daemon (char *hostnames[], int nhosts, int initial) { - -/* This does not adjust the time between calls to the server, but it does -adjust the time between clock resets. This function will survive short periods -of server inaccessibility or network glitches, but not long ones, and will then -need restarting manually. - -It is far too complex for a single function, but could really only be -simplified by making most of its variables global or by a similarly horrible -trick. Oh, for nested scopes as in Algol 68! */ - - double history[COUNT_MAX], started, previous, when, correction = 0.0, - weeble = 1.0, accepts = 0.0, rejects = 0.0, flushes = 0.0, - replicates = 0.0, skips = 0.0, offset = 0.0, error = -1.0, - drift = 0.0, drifterr = -1.0, maxoff = 0.0, x; - data_record record[COUNT_MAX]; - int total = 0, index = 0, item = 0, rej_level = 0, rep_level = 0, - cycle = 0, retry = 1, i, j, k; - unsigned char transmit[NTP_PACKET_MIN]; - ntp_data data; - char text[100]; - -/* After initialising, restore from a previous run if possible. Note that -only a few of the variables are actually needed to control the operation and -the rest are mainly for diagnostics. */ - - started = previous = when = current_time(JAN_1970); - if (verbose > 2) { - format_time(text,50,0.0,-1.0,0.0,-1.0); - fprintf(stderr,"Started=%.6f %s\n",when,text); - } - if (initial) { - handle_saving(save_read_check,&total,&index,&cycle,record, - &previous,&when,&correction); - cycle = (nhosts > 0 ? cycle%nhosts : 0); - if (total > 0 && started-previous < delay) { - if (verbose > 2) fprintf(stderr,"Last packet too recent\n"); - retry = 0; - } - if (verbose > 2) - fprintf(stderr,"prev=%.6f when=%.6f retry=%d\n", - previous,when,retry); - for (i = 0; i < nhosts; ++i) open_socket(i,hostnames[i],delay); - if (action != action_display) { - set_lock(1); - locked = 1; - } - } - dispersion = 0.0; - attempts = 0; - for (i = 0; i < count; ++i) history[i] = 0.0; - while (1) { - -/* Print out a reasonable amount of diagnostics, rather like a server. Note -that it may take a little time, but shouldn't affect the estimates much. Then -check that we aren't in a failing loop. */ - - if (verbose > 2) fprintf(stderr,"item=%d rej=%d\n",item,rej_level); - x = current_time(JAN_1970)-started; - if (verbose && - x/3600.0+accepts+rejects+flushes+replicates+skips >= weeble) { - weeble *= WEEBLE_FACTOR; - x -= 3600.0*(i = (int)(x/3600.0)); - x -= 60.0*(j = (int)(x/60.0)); - if (i > 0) - fprintf(stderr,"%s: after %d hours %d mins ",argv0,i,j); - else if (j > 0) - fprintf(stderr,"%s: after %d mins %.0f secs ",argv0,j,x); - else - fprintf(stderr,"%s: after %.1f secs ",argv0,x); - fprintf(stderr,"acc. %.0f rej. %.0f flush %.0f", - accepts,rejects,flushes); - if (operation == op_listen) - fprintf(stderr," rep. %.0f skip %.0f",replicates,skips); - fprintf(stderr," max.off. %.3f corr. %.3f\n",maxoff,correction); - format_time(text,100,offset,error,drift,drifterr); - fprintf(stderr,"%s: %s\n",argv0,text); - maxoff = 0.0; - } - if (current_time(JAN_1970)-previous > count*delay) { - if (verbose) - fprintf(stderr,"%s: no packets in too long a period\n",argv0); - return; - } - -/* Listen for the next broadcast packet. This allows up to ETHERNET_MAX -replications per packet, for systems with multiple addresses for receiving -broadcasts; the only reason for a limit is to protect against broken NTP -servers always returning the same time. */ - - if (operation == op_listen) { - flushes += flush_socket(0); - if (read_packet(0,&data,&offset,&error)) { - ++rejects; - if (++rej_level > count) - fatal(0,"too many bad or lost packets",NULL); - if (action != action_display && drifterr >= 0.0) { - correction += correct_drift(&when,&offset,drift); - handle_saving(save_write,&total,&index,&cycle,record, - &previous,&when,&correction); - } - continue; - } - if ((rej_level -= (count < 5 ? count : 5)) < 0) rej_level = 0; - x = data.transmit; - for (i = 0; i < count; ++i) - if (x == history[i]) { - ++replicates; - if (++rep_level > ETHERNET_MAX) - fatal(0,"too many replicated packets",NULL); - goto continue1; - } - rep_level = 0; - history[item] = x; - if (++item >= count) item = 0; - -/* Accept a packet only after a long enough period has elapsed. */ - - when = data.current; - if (! retry && when < previous+delay) { - if (verbose > 2) fprintf(stderr,"Skipping too recent packet\n"); - ++skips; - continue; - } - retry = 0; - if (verbose > 2) - fprintf(stderr,"Offset=%.6f @ %.6f disp=%.6f\n", - offset,when,dispersion); - -/* Handle the client/server model. It keeps a record of transmitted times, -mainly out of paranoia. The waiting time is kludged up to attempt to provide -reasonable resilience against both lost packets and dead servers. But it -won't handle much of either, and will stop after a while, needing manual -restarting. Running it under cron is the best approach. */ - - } else { - if (! retry) { - if (verbose > 2) fprintf(stderr,"Sleeping for %d\n",waiting); - do_nothing(waiting); - } - make_packet(&data,NTP_CLIENT); - outgoing[item] = data.transmit; - if (++item >= 2*count) item = 0; - if (attempts < 2*count) ++attempts; - if (verbose > 2) { - fprintf(stderr,"Outgoing packet on socket %d:\n",cycle); - display_data(&data); - } - pack_ntp(transmit,NTP_PACKET_MIN,&data); - if (verbose > 2) display_packet(transmit,NTP_PACKET_MIN); - flushes += flush_socket(cycle); - write_socket(cycle,transmit,NTP_PACKET_MIN); - -/* Read the packet and check that it is an appropriate response. Because this -is rather more numerically sensitive than simple resynchronisation, reject all -very inaccurate packets. Be careful if you modify this, because the error -handling is rather nasty to avoid replicating code. */ - - k = read_packet(cycle,&data,&offset,&error); - if (++cycle >= nhosts) cycle = 0; - if (! k) - when = (data.originate+data.current)/2.0; - else if (action != action_display && drifterr >= 0.0) { - correction += correct_drift(&when,&offset,drift); - handle_saving(save_write,&total,&index,&cycle,record, - &previous,&when,&correction); - } - if (! k && ! retry && when < previous+delay-2) { - if (verbose) - fprintf(stderr,"%s: packets out of order on socket %d\n", - argv0,cycle); - k = 1; - } - if (! k && data.current-data.originate > maxerr) { - if (verbose) - fprintf(stderr, - "%s: very slow response rejected on socket %d\n", - argv0,cycle); - k = 1; - } - -/* Count the number of rejected packets and fail if there are too many. */ - - if (k) { - ++rejects; - if (++rej_level > count) - fatal(0,"too many bad or lost packets",NULL); - else { - retry = 1; - continue; - } - } else - retry = 0; - if ((rej_level -= (count < 5 ? count : 5)) < 0) rej_level = 0; - if (verbose > 2) - fprintf(stderr,"Offset=%.6f+/-%.6f @ %.6f disp=%.6f\n", - offset,error,when,dispersion); - } - -/* Calculate the statistics, and display the results or make the initial -correction. Note that estimate_stats() will return zero if a timestamp -indicates synchronisation loss (usually due to down time or a change of server, -somewhere upstream), and that the recovery operation is unstructured, so great -care should be taken when modifying it. Also, we want to clear the saved state -is the statistics are bad. */ - - handle_saving(save_clear,&total,&index,&cycle,record,&previous,&when, - &correction); - ++accepts; - dispersion = data.dispersion; - previous = when = - estimate_stats(&total,&index,record,correction,&dispersion, - &when,&offset,&error,&drift,&drifterr,&waiting,1); - if (verbose > 2) { - fprintf(stderr,"tot=%d ind=%d dis=%.3f when=%.3f off=%.3f ", - total,index,dispersion,when,offset); - fprintf(stderr,"err=%.3f wait=%d\n",error,waiting); - } - if (when == 0.0) return; - x = (maxoff < 0.0 ? -maxoff : maxoff); - if ((offset < 0.0 ? -offset : offset) > x) maxoff = offset; - correction = 0.0; - if (operation == op_client || accepts >= count) { - if (action == action_display) { - format_time(text,100,offset,error,drift,drifterr); - printf("%s\n",text); - } else { - x = reset_clock(offset,error,1); - correction += x; - offset -= x; - } - } else - waiting = delay; - handle_saving(save_write,&total,&index,&cycle,record,&previous,&when, - &correction); - -/* Now correct the clock for a while, before getting another packet and -updating the statistics. */ - - while (when < previous+delay-waiting) { - do_nothing(waiting); - if (action == action_display) - when += waiting; - else { - correction += correct_drift(&when,&offset,drift); - handle_saving(save_write,&total,&index,&cycle,record, - &previous,&when,&correction); - } - } -continue1: ; - } -} - - - -void run_client (char *hostnames[], int nhosts) { - -/* Get enough responses to do something with; or not, as the case may be. Note -that it allows for half of the packets to be bad, so may make up to twice as -many attempts as specified by the -c value. The deadline checking is merely -paranoia, to protect against broken signal handling - it cannot easily be -triggered if the signal handling works. */ - - double history[COUNT_MAX], guesses[COUNT_MAX], offset, error, deadline, - a, b, x, y; - int accepts = 0, rejects = 0, flushes = 0, replicates = 0, cycle = 0, k; - unsigned char transmit[NTP_PACKET_MIN]; - ntp_data data; - char text[100]; - - if (verbose > 2) { - format_time(text,50,0.0,-1.0,0.0,-1.0); - fprintf(stderr,"Started=%.6f %s\n",current_time(JAN_1970),text); - } - for (k = 0; k < nhosts; ++k) open_socket(k,hostnames[k],delay); - if (action != action_display) { - set_lock(1); - locked = 1; - } - attempts = 0; - deadline = current_time(JAN_1970)+delay; - -/* Listen to broadcast packets and select the best (i.e. earliest). This will -be sensitive to a bad NTP broadcaster, but I believe such things are very rare -in practice. In any case, if you have one, it is probably the only one on your -subnet, so you are knackered! This allows up to ETHERNET_MAX replications per -packet, for systems with multiple addresses for receiving broadcasts; the only -reason for a limit is to protect against broken NTP servers always returning -the same time. */ - - if (operation == op_listen) { - while (accepts < count) { - if (current_time(JAN_1970) > deadline) - fatal(0,"not enough valid broadcasts received in time",NULL); - flushes += flush_socket(0); - if (read_packet(0,&data,&x,&y)) { - if (++rejects > count) - fatal(0,"too many bad or lost packets",NULL); - else - continue; - } else { - a = data.transmit; - for (k = 0; k < accepts; ++k) - if (a == history[k]) { - if (++replicates > ETHERNET_MAX*count) - fatal(0,"too many replicated packets",NULL); - goto continue1; - } - history[accepts] = a; - guesses[accepts++] = x; - } - if (verbose > 2) - fprintf(stderr,"Offset=%.6f disp=%.6f\n",x,dispersion); - else if (verbose > 1) - fprintf(stderr,"%s: offset=%.3f disp=%.3f\n", - argv0,x,dispersion); - -/* Note that bubblesort IS a good method for this amount of data. */ - - for (k = accepts-2; k >= 0; --k) - if (guesses[k] < guesses[k+1]) - break; - else { - x = guesses[k]; - guesses[k] = guesses[k+1]; - guesses[k+1] = x; - } -continue1: ; - } - offset = guesses[0]; - error = minerr+guesses[count <= 5 ? count-1 : 5]-offset; - if (verbose > 2) - fprintf(stderr,"accepts=%d rejects=%d flushes=%d replicates=%d\n", - accepts,rejects,flushes,replicates); - -/* Handle the client/server model. It keeps a record of transmitted times, -mainly out of paranoia. */ - - } else { - offset = 0.0; - error = NTP_INSANITY; - while (accepts < count && attempts < 2*count) { - if (current_time(JAN_1970) > deadline) - fatal(0,"not enough valid responses received in time",NULL); - make_packet(&data,NTP_CLIENT); - outgoing[attempts++] = data.transmit; - if (verbose > 2) { - fprintf(stderr,"Outgoing packet on socket %d:\n",cycle); - display_data(&data); - } - pack_ntp(transmit,NTP_PACKET_MIN,&data); - if (verbose > 2) display_packet(transmit,NTP_PACKET_MIN); - flushes += flush_socket(cycle); - write_socket(cycle,transmit,NTP_PACKET_MIN); - if (read_packet(cycle,&data,&x,&y)) { - if (++rejects > count) - fatal(0,"too many bad or lost packets",NULL); - else - continue; - } else - ++accepts; - if (++cycle >= nhosts) cycle = 0; - -/* Work out the most accurate time, and check that it isn't more accurate than -the results warrant. */ - - if (verbose > 2) - fprintf(stderr,"Offset=%.6f+/-%.6f disp=%.6f\n",x,y,dispersion); - else if (verbose > 1) - fprintf(stderr,"%s: offset=%.3f+/-%.3f disp=%.3f\n", - argv0,x,y,dispersion); - if ((a = x-offset) < 0.0) a = -a; - if (accepts <= 1) a = 0.0; - b = error+y; - if (y < error) { - offset = x; - error = y; - } - if (verbose > 2) - fprintf(stderr,"best=%.6f+/-%.6f\n",offset,error); - if (a > b) { - sprintf(text,"%d",cycle); - fatal(0,"inconsistent times got from NTP server on socket %s", - text); - } - if (error <= minerr) break; - } - if (verbose > 2) - fprintf(stderr,"accepts=%d rejects=%d flushes=%d\n", - accepts,rejects,flushes); - } - -/* Tidy up the socket, issues diagnostics and perform the action. */ - - for (k = 0; k < nhosts; ++k) close_socket(k); - if (accepts == 0) fatal(0,"no acceptable packets received",NULL); - if (error > NTP_INSANITY) - fatal(0,"unable to get a reasonable time estimate",NULL); - if (verbose > 2) - fprintf(stderr,"Correction: %.6f +/- %.6f disp=%.6f\n", - offset,error,dispersion); - if (action == action_display) { - format_time(text,75,offset,error,0.0,-1.0); - printf("%s\n",text); - } else - (void)reset_clock(offset,error,0); - if (locked) set_lock(0); - if (verbose > 2) fprintf(stderr,"Stopped normally\n"); - exit(EXIT_SUCCESS); -} - - - -int main (int argc, char *argv[]) { - -/* This is the entry point and all that. It decodes the arguments and calls -one of the specialised routines to do the work. */ - - char *hostnames[MAX_SOCKETS], *savename = NULL; - int daemon = 0, nhosts = 0, help = 0, args = argc-1, k; - char c; - - if (argv[0] == NULL || argv[0][0] == '\0') - argv0 = "msntp"; - else if ((argv0 = strrchr(argv[0],'/')) != NULL) - ++argv0; - else - argv0 = argv[0]; - setvbuf(stdout,NULL,_IOLBF,BUFSIZ); - setvbuf(stderr,NULL,_IOLBF,BUFSIZ); - if (INT_MAX < 2147483647) fatal(0,"msntp requires >= 32-bit ints",NULL); - if (DBL_EPSILON > 1.0e-13) - fatal(0,"msntp requires doubles with eps <= 1.0e-13",NULL); - for (k = 0; k < MAX_SOCKETS; ++k) hostnames[k] = NULL; - -/* Decode the arguments. */ - - while (argc > 1) { - k = 1; - if (strcmp(argv[1],"-4") == 0) - preferred_family(PREF_FAM_INET); - else if (strcmp(argv[1],"-6") == 0) - preferred_family(PREF_FAM_INET6); - else if (strcmp(argv[1],"-B") == 0 && action == 0) { - action = action_broadcast; - if (argc > 2) { - if (sscanf(argv[2],"%d%c",&period,&c) != 1) syntax(1); - if (period < 1 || period > 1440) - fatal(0,"%s option value out of range","-B"); - period *= 60; - k = 2; - } else - period = 60*60; - } else if (strcmp(argv[1],"-S") == 0 && action == 0) - action = action_server; - else if (strcmp(argv[1],"-q") == 0 && action == 0) - action = action_query; - else if (strcmp(argv[1],"-r") == 0 && action == 0) - action = action_reset; - else if (strcmp(argv[1],"-a") == 0 && action == 0) - action = action_adjust; - else if (strcmp(argv[1],"-l") == 0 && lockname == NULL && argc > 2) { - lockname = argv[2]; - k = 2; - } else if ((strcmp(argv[1],"-x") == 0) && - daemon == 0) { - if (argc > 2 && sscanf(argv[2],"%d%c",&daemon,&c) == 1) { - if (daemon < 1 || daemon > 1440) - fatal(0,"%s option value out of range",argv[1]); - k = 2; - } else - daemon = 300; - } else if (strcmp(argv[1],"-f") == 0 && savename == NULL && argc > 2) { - savename = argv[2]; - k = 2; - } else if ((strcmp(argv[1],"--help") == 0 || - strcmp(argv[1],"-h") == 0 || strcmp(argv[1],"-?") == 0) && - help == 0) - help = 1; - else if (strcmp(argv[1],"-v") == 0 && verbose == 0) - verbose = 1; - else if (strcmp(argv[1],"-V") == 0 && verbose == 0) - verbose = 2; - else if (strcmp(argv[1],"-W") == 0 && verbose == 0) - verbose = 3; - else if (strcmp(argv[1],"-e") == 0 && minerr == 0.0 && argc > 2) { - if (sscanf(argv[2],"%lf%c",&minerr,&c) != 1) syntax(1); - if (minerr <= 0.000999999 || minerr > 1.0) - fatal(0,"%s option value out of range","-e"); - k = 2; - } else if (strcmp(argv[1],"-E") == 0 && maxerr == 0.0 && argc > 2) { - if (sscanf(argv[2],"%lf%c",&maxerr,&c) != 1) syntax(1); - if (maxerr < 1.0 || maxerr > 60.0) - fatal(0,"%s option value out of range","-E"); - k = 2; - } else if (strcmp(argv[1],"-P") == 0 && prompt == 0.0 && argc > 2) { - if (strcmp(argv[2],"no") == 0) - prompt = (double)INT_MAX; - else { - if (sscanf(argv[2],"%lf%c",&prompt,&c) != 1) syntax(1); - if (prompt < 1.0 || prompt > 3600.0) - fatal(0,"%s option value out of range","-p"); - } - k = 2; - } else if (strcmp(argv[1],"-d") == 0 && delay == 0 && argc > 2) { - if (sscanf(argv[2],"%d%c",&delay,&c) != 1) syntax(1); - if (delay < 1 || delay > 3600) - fatal(0,"%s option value out of range","-d"); - k = 2; - } else if (strcmp(argv[1],"-c") == 0 && count == 0 && argc > 2) { - if (sscanf(argv[2],"%d%c",&count,&c) != 1) syntax(1); - if (count < 1 || count > COUNT_MAX) - fatal(0,"%s option value out of range","-c"); - k = 2; - } else - break; - argc -= k; - argv += k; - } - -/* Check the arguments for consistency and set the defaults. */ - - if (action == action_broadcast || action == action_server) { - operation = (action == action_server ? op_server : op_broadcast); - if (argc != 1 || minerr != 0.0 || maxerr != 0.0 || count != 0 || - delay != 0 || daemon != 0 || prompt != 0.0 || - lockname != NULL || savename != NULL) - syntax(1); - } else if (action == action_query) { - if (argc != 1 || minerr != 0.0 || maxerr != 0.0 || count != 0 || - delay != 0 || daemon != 0 || prompt != 0.0 || lockname != NULL) - syntax(1); - } else { - if (argc < 1 || argc > MAX_SOCKETS || (daemon != 0 && delay != 0)) - syntax(1); - if ((prompt || lockname != NULL) && - action != action_reset && action != action_adjust) - syntax(1); - if (count > 0 && count < argc-1) - fatal(0,"-c value less than number of addresses",NULL); - if (argc > 1) { - operation = op_client; - for (k = 1; k < argc; ++k) { - if (argv[k][0] == '\0' || argv[k][0] == '-') - fatal(0,"invalid Internet address '%s'",argv[k]); - hostnames[k-1] = argv[k]; - } - nhosts = argc-1; - } else { - operation = op_listen; - nhosts = 0; - } - if (action == 0) action = action_display; - if (minerr <= 0.0) minerr = (operation == op_listen ? 0.5 : 0.1); - if (maxerr <= 0.0) maxerr = 5.0; - if (count == 0) count = (argc-1 < 5 ? 5 : argc-1); - if ((argc == 1 || (daemon != 0 && action != action_query)) && count < 5) - fatal(0,"at least 5 packets needed in this mode",NULL); - if ((action == action_reset || action == action_adjust) && - lockname == NULL) - lockname = LOCKNAME; - -/* The '-x' option changes the implications of many other settings, though this -is not usually apparent to the caller. Most of the time delays are to ensure -that stuck states terminate, and do not affect the result. */ - - if (daemon != 0) { - if (minerr >= maxerr || maxerr >= daemon) - fatal(0,"values not in order -e < -E < -x",NULL); - waiting = delay = daemon *= 60; - } else { - if (savename != NULL) - fatal(0,"-f can be specified only with -x",NULL); - if (delay == 0) - delay = (operation == op_listen ? 300 : - (2*count >= 15 ? 2*count+1 :15)); - if (operation == op_listen) { - if (minerr >= maxerr || maxerr >= delay/count) - fatal(0,"values not in order -e < -E < -d/-c",NULL); - } else { - if (minerr >= maxerr || maxerr >= delay) - fatal(0,"values not in order -e < -E < -d",NULL); - } - if (2*count >= delay) fatal(0,"-c must be less than half -d",NULL); - waiting = delay/count; - } - if (prompt == 0.0) prompt = 30.0; - } - if ((daemon || action == action_query) && savename == NULL) - savename = SAVENAME; - -/* Diagnose where we are, if requested, and separate out the classes of -operation. The calls do not return. */ - - if (help) syntax(args == 1); - if (verbose) { - fprintf(stderr,"%s options: a=%d p=%d v=%d e=%.3f E=%.3f P=%.3f\n", - argv0,action,period,verbose,minerr,maxerr,prompt); - fprintf(stderr," d=%d c=%d %c=%d op=%d l=%s f=%s", - delay,count,'x',daemon,operation, - (lockname == NULL ? "" : lockname), - (savename == NULL ? "" : savename)); - for (k = 0; k < MAX_SOCKETS; ++k) - if (hostnames[k] != NULL) fprintf(stderr," %s",hostnames[k]); - fprintf(stderr,"\n"); - } - if (nhosts == 0) nhosts = 1; /* Kludge for broadcasts */ - if (operation == op_server || operation == op_broadcast) - run_server(); - else if (action == action_query) { - if (savename == NULL || savename[0] == '\0') - fatal(0,"no daemon save file specified",NULL); - else if ((savefile = fopen(savename,"rb")) == NULL) - fatal(0,"unable to open the daemon save file",NULL); - query_savefile(); - } else if (daemon != 0) { - if (savename != NULL && savename[0] != '\0' && - (savefile = fopen(savename,"rb+")) == NULL && - (savefile = fopen(savename,"wb+")) == NULL) - fatal(0,"unable to open the daemon save file",NULL); - run_daemon(hostnames,nhosts,1); - while (1) run_daemon(hostnames,nhosts,0); - } else - run_client(hostnames,nhosts); - fatal(0,"internal error at end of main",NULL); - return EXIT_FAILURE; -} diff --git a/contrib/ntp/sntp/missing b/contrib/ntp/sntp/missing deleted file mode 100755 index 6a37006..0000000 --- a/contrib/ntp/sntp/missing +++ /dev/null @@ -1,336 +0,0 @@ -#! /bin/sh -# Common stub for a few missing GNU programs while installing. -# Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc. -# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -if test $# -eq 0; then - echo 1>&2 "Try \`$0 --help' for more information" - exit 1 -fi - -run=: - -# In the cases where this matters, `missing' is being run in the -# srcdir already. -if test -f configure.ac; then - configure_ac=configure.ac -else - configure_ac=configure.in -fi - -case "$1" in ---run) - # Try to run requested program, and just exit if it succeeds. - run= - shift - "$@" && exit 0 - ;; -esac - -# If it does not exist, or fails to run (possibly an outdated version), -# try to emulate it. -case "$1" in - - -h|--h|--he|--hel|--help) - echo "\ -$0 [OPTION]... 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Grab either from any GNU archive site." - file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` - if test -z "$file"; then - file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` - file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file` - fi - touch $file - ;; - - tar) - shift - if test -n "$run"; then - echo 1>&2 "ERROR: \`tar' requires --run" - exit 1 - fi - - # We have already tried tar in the generic part. - # Look for gnutar/gtar before invocation to avoid ugly error - # messages. - if (gnutar --version > /dev/null 2>&1); then - gnutar "$@" && exit 0 - fi - if (gtar --version > /dev/null 2>&1); then - gtar "$@" && exit 0 - fi - firstarg="$1" - if shift; then - case "$firstarg" in - *o*) - firstarg=`echo "$firstarg" | sed s/o//` - tar "$firstarg" "$@" && exit 0 - ;; - esac - case "$firstarg" in - *h*) - firstarg=`echo "$firstarg" | sed s/h//` - tar "$firstarg" "$@" && exit 0 - ;; - esac - fi - - echo 1>&2 "\ -WARNING: I can't seem to be able to run \`tar' with the given arguments. - You may want to install GNU tar or Free paxutils, or check the - command line arguments." - exit 1 - ;; - - *) - echo 1>&2 "\ -WARNING: \`$1' is needed, and you do not seem to have it handy on your - system. You might have modified some files without having the - proper tools for further handling them. Check the \`README' file, - it often tells you about the needed prerequirements for installing - this package. You may also peek at any GNU archive site, in case - some other package would contain this missing \`$1' program." - exit 1 - ;; -esac - -exit 0 diff --git a/contrib/ntp/sntp/mkinstalldirs b/contrib/ntp/sntp/mkinstalldirs deleted file mode 100755 index d2d5f21..0000000 --- a/contrib/ntp/sntp/mkinstalldirs +++ /dev/null @@ -1,111 +0,0 @@ -#! /bin/sh -# mkinstalldirs --- make directory hierarchy -# Author: Noah Friedman <friedman@prep.ai.mit.edu> -# Created: 1993-05-16 -# Public domain - -errstatus=0 -dirmode="" - -usage="\ -Usage: mkinstalldirs [-h] [--help] [-m mode] dir ..." - -# process command line arguments -while test $# -gt 0 ; do - case $1 in - -h | --help | --h*) # -h for help - echo "$usage" 1>&2 - exit 0 - ;; - -m) # -m PERM arg - shift - test $# -eq 0 && { echo "$usage" 1>&2; exit 1; } - dirmode=$1 - shift - ;; - --) # stop option processing - shift - break - ;; - -*) # unknown option - echo "$usage" 1>&2 - exit 1 - ;; - *) # first non-opt arg - break - ;; - esac -done - -for file -do - if test -d "$file"; then - shift - else - break - fi -done - -case $# in - 0) exit 0 ;; -esac - -case $dirmode in - '') - if mkdir -p -- . 2>/dev/null; then - echo "mkdir -p -- $*" - exec mkdir -p -- "$@" - fi - ;; - *) - if mkdir -m "$dirmode" -p -- . 2>/dev/null; then - echo "mkdir -m $dirmode -p -- $*" - exec mkdir -m "$dirmode" -p -- "$@" - fi - ;; -esac - -for file -do - set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'` - shift - - pathcomp= - for d - do - pathcomp="$pathcomp$d" - case $pathcomp in - -*) pathcomp=./$pathcomp ;; - esac - - if test ! -d "$pathcomp"; then - echo "mkdir $pathcomp" - - mkdir "$pathcomp" || lasterr=$? - - if test ! -d "$pathcomp"; then - errstatus=$lasterr - else - if test ! -z "$dirmode"; then - echo "chmod $dirmode $pathcomp" - lasterr="" - chmod "$dirmode" "$pathcomp" || lasterr=$? - - if test ! -z "$lasterr"; then - errstatus=$lasterr - fi - fi - fi - fi - - pathcomp="$pathcomp/" - done -done - -exit $errstatus - -# Local Variables: -# mode: shell-script -# sh-indentation: 2 -# End: -# mkinstalldirs ends here diff --git a/contrib/ntp/sntp/socket.c b/contrib/ntp/sntp/socket.c deleted file mode 100644 index 75fd461..0000000 --- a/contrib/ntp/sntp/socket.c +++ /dev/null @@ -1,395 +0,0 @@ -/* Copyright (C) 1996, 2000 N.M. Maclaren - Copyright (C) 1996, 2000 The University of Cambridge - -This includes all of the code needed to handle Berkeley sockets. It is way -outside current POSIX, unfortunately. It should be easy to convert to a system -that uses another mechanism. It does not currently use socklen_t, because -the only system that the author uses that has it is Linux. */ - - - -#include "header.h" -#include "internet.h" -#include <fcntl.h> - -#define SOCKET -#include "kludges.h" -#undef SOCKET - - - -/* The code needs to set some variables during the open, for use by later -functions. */ - -static int initial = 1, - descriptors[MAX_SOCKETS]; - -#ifdef HAVE_IPV6 -static struct sockaddr_storage here[MAX_SOCKETS], there[MAX_SOCKETS]; -#else -static struct sockaddr_in here[MAX_SOCKETS], there[MAX_SOCKETS]; -#endif - - -/* There needs to be some disgusting grobble for handling timeouts, that is -identical to the grobble in internet.c. */ - -static jmp_buf jump_buffer; - -static void jump_handler (int sig) { - longjmp(jump_buffer,1); -} - -static void clear_alarm (void) { - int k; - - k = errno; - alarm(0); - errno = 0; - if (signal(SIGALRM,SIG_DFL) == SIG_ERR) - fatal(1,"unable to reset signal handler",NULL); - errno = k; -} - - - -void display_in_hex (const void *data, int length) { - int i; - - for (i = 0; i < length; ++i) - fprintf(stderr,"%.2x",((const unsigned char *)data)[i]); -} - -#ifdef HAVE_IPV6 - -void display_sock_in_hex (struct sockaddr_storage *sock) { - int family, len; - struct sockaddr_in *sin; - struct sockaddr_in6 *sin6; - - family = sock->ss_family; - switch(family) { - case AF_INET: - sin = (struct sockaddr_in *)sock; - display_in_hex(&sin->sin_addr, sizeof(struct in_addr)); - fprintf(stderr,"/"); - display_in_hex(&sin->sin_port, 2); - break; - case AF_INET6: - sin6 = (struct sockaddr_in6 *)sock; - display_in_hex(&sin6->sin6_addr, sizeof(struct in6_addr)); - fprintf(stderr,"/"); - display_in_hex(&sin6->sin6_port, 2); - break; - } -} - -#else - -void display_sock_in_hex (struct sockaddr_in *sock) { - int family, len; - struct sockaddr_in *sin; - - family = sock->sin_family; - switch(family) { - case AF_INET: - sin = (struct sockaddr_in *)sock; - display_in_hex(&sin->sin_addr, sizeof(struct in_addr)); - fprintf(stderr,"/"); - display_in_hex(&sin->sin_port, 2); - break; - } -} -#endif - -#ifdef HAVE_IPV6 - -void open_socket (int which, char *hostname, int timespan) { - -/* Locate the specified NTP server, set up a couple of addresses and open a -socket. */ - - int port, k, sl; - struct sockaddr_storage address, anywhere, everywhere; - -/* Initialise and find out the server and port number. Note that the port -number is in network format. */ - - if (initial) - for (k = 0; k < MAX_SOCKETS; ++k) - descriptors[k] = -1; - initial = 0; - if (which < 0 || which >= MAX_SOCKETS || descriptors[which] >= 0) - fatal(0,"socket index out of range or already open",NULL); - if (verbose > 2) - fprintf(stderr,"Looking for the socket addresses\n"); - find_address(&address,&anywhere,&everywhere,&port,hostname,timespan); - if (verbose > 2) { - fprintf(stderr,"Internet address: address="); - display_sock_in_hex(&address); - fprintf(stderr," anywhere="); - display_sock_in_hex(&anywhere); - fprintf(stderr," everywhere="); - display_sock_in_hex(&everywhere); - fputc('\n',stderr); - } - -/* Set up our own and the target addresses. Note that the target address will -be reset before use in server mode. */ - - memset(&here[which], 0, sizeof(struct sockaddr_storage)); - here[which] = anywhere; - if (!(operation == op_listen || operation == op_server)) - ((struct sockaddr_in6 *)&here[which])->sin6_port = 0; - memset(&there[which], 0, sizeof(struct sockaddr_storage)); - there[which] = (operation == op_broadcast ? everywhere : address); - if (verbose > 2) { - fprintf(stderr,"Initial sockets: here="); - display_sock_in_hex(&here[which]); - fprintf(stderr," there="); - display_sock_in_hex(&there[which]); - fputc('\n',stderr); - } - -/* Allocate a local UDP socket and configure it. */ - - switch(((struct sockaddr_in *)&there[which])->sin_family) { - case AF_INET: - sl = sizeof(struct sockaddr_in); - break; -#ifdef HAVE_IPV6 - case AF_INET6: - sl = sizeof(struct sockaddr_in6); - break; -#endif - default: - sl = 0; - break; - } - errno = 0; - if ((descriptors[which] = socket(here[which].ss_family,SOCK_DGRAM,0)) < 0 - || bind(descriptors[which],(struct sockaddr *)&here[which], sl) < 0) - fatal(1,"unable to allocate socket for NTP",NULL); - if (operation == op_broadcast) { - errno = 0; - k = setsockopt(descriptors[which],SOL_SOCKET,SO_BROADCAST, - (void *)&k,sizeof(k)); - if (k != 0) fatal(1,"unable to set permission to broadcast",NULL); - } -} - -#else - -void open_socket (int which, char *hostname, int timespan) { - -/* Locate the specified NTP server, set up a couple of addresses and open a -socket. */ - - int port, k; - struct in_addr address, anywhere, everywhere; - -/* Initialise and find out the server and port number. Note that the port -number is in network format. */ - - if (initial) for (k = 0; k < MAX_SOCKETS; ++k) descriptors[k] = -1; - initial = 0; - if (which < 0 || which >= MAX_SOCKETS || descriptors[which] >= 0) - fatal(0,"socket index out of range or already open",NULL); - if (verbose > 2) fprintf(stderr,"Looking for the socket addresses\n"); - find_address(&address,&anywhere,&everywhere,&port,hostname,timespan); - if (verbose > 2) { - fprintf(stderr,"Internet address: address="); - display_in_hex(&address,sizeof(struct in_addr)); - fprintf(stderr," anywhere="); - display_in_hex(&anywhere,sizeof(struct in_addr)); - fprintf(stderr," everywhere="); - display_in_hex(&everywhere,sizeof(struct in_addr)); - fputc('\n',stderr); - } - -/* Set up our own and the target addresses. Note that the target address will -be reset before use in server mode. */ - - memset(&here[which],0,sizeof(struct sockaddr_in)); - here[which].sin_family = AF_INET; - here[which].sin_port = - (operation == op_listen || operation == op_server ? port : 0); - here[which].sin_addr = anywhere; - memset(&there[which],0,sizeof(struct sockaddr_in)); - there[which].sin_family = AF_INET; - there[which].sin_port = port; - there[which].sin_addr = (operation == op_broadcast ? everywhere : address); - if (verbose > 2) { - fprintf(stderr,"Initial sockets: here="); - display_in_hex(&here[which].sin_addr,sizeof(struct in_addr)); - fputc('/',stderr); - display_in_hex(&here[which].sin_port,sizeof(here[which].sin_port)); - fprintf(stderr," there="); - display_in_hex(&there[which].sin_addr,sizeof(struct in_addr)); - fputc('/',stderr); - display_in_hex(&there[which].sin_port,sizeof(there[which].sin_port)); - fputc('\n',stderr); - } - -/* Allocate a local UDP socket and configure it. */ - - errno = 0; - if ((descriptors[which] = socket(AF_INET,SOCK_DGRAM,0)) < 0 || - bind(descriptors[which],(struct sockaddr *)&here[which], - sizeof(here[which])) < 0) - fatal(1,"unable to allocate socket for NTP",NULL); - if (operation == op_broadcast) { - errno = 0; - k = setsockopt(descriptors[which],SOL_SOCKET,SO_BROADCAST, - (void *)&k,sizeof(k)); - if (k != 0) fatal(1,"unable to set permission to broadcast",NULL); - } -} - -#endif - -extern void write_socket (int which, void *packet, int length) { - -/* Any errors in doing this are fatal - including blocking. Yes, this leaves a -server vulnerable to a denial of service attack. */ - - int k, sl; - - switch(((struct sockaddr_in *)&there[which])->sin_family) { - case AF_INET: - sl = sizeof(struct sockaddr_in); - break; -#ifdef HAVE_IPV6 - case AF_INET6: - sl = sizeof(struct sockaddr_in6); - break; -#endif - default: - sl = 0; - break; - } - if (which < 0 || which >= MAX_SOCKETS || descriptors[which] < 0) - fatal(0,"socket index out of range or not open",NULL); - errno = 0; - k = sendto(descriptors[which],packet,(size_t)length,0, - (struct sockaddr *)&there[which],sl); - if (k != length) fatal(1,"unable to send NTP packet",NULL); -} - - - -extern int read_socket (int which, void *packet, int length, int waiting) { - -/* Read a packet and return its length or -1 for failure. Only incorrect -length and timeout are not fatal. */ - -#ifdef HAVE_IPV6 - struct sockaddr_storage scratch, *ptr; -#else - struct sockaddr_in scratch, *ptr; -#endif - int n; - int k; - -/* Under normal circumstances, set up a timeout. */ - - if (which < 0 || which >= MAX_SOCKETS || descriptors[which] < 0) - fatal(0,"socket index out of range or not open",NULL); - if (waiting > 0) { - if (setjmp(jump_buffer)) { - if (verbose > 2) - fprintf(stderr,"Receive timed out\n"); - else if (verbose > 1) - fprintf(stderr,"%s: receive timed out after %d seconds\n", - argv0,waiting); - return -1; - } - errno = 0; - if (signal(SIGALRM,jump_handler) == SIG_ERR) - fatal(1,"unable to set up signal handler",NULL); - alarm((unsigned int)waiting); - } - -/* Get the packet and clear the timeout, if any. */ - - if (operation == op_server) - memcpy(ptr = &there[which],&here[which],sizeof(scratch)); - else - memcpy(ptr = &scratch,&there[which],sizeof(scratch)); - n = sizeof(scratch); - errno = 0; - k = recvfrom(descriptors[which],packet,(size_t)length,0, - (struct sockaddr *)ptr,&n); - if (waiting > 0) clear_alarm(); - -/* Now issue some low-level diagnostics. */ - - if (k <= 0) fatal(1,"unable to receive NTP packet from server",NULL); - if (verbose > 2) { - fprintf(stderr,"Packet of length %d received from ",k); - display_sock_in_hex(ptr); - fputc('\n',stderr); - } - return k; -} - - - -extern int flush_socket (int which) { - -/* Get rid of any outstanding input, because it may have been hanging around -for a while. Ignore packet length oddities and return the number of packets -skipped. */ - -#ifdef HAVE_IPV6 - struct sockaddr_storage scratch; -#else - struct sockaddr_in scratch; -#endif - int n; - char buffer[256]; - int flags, count = 0, total = 0, k; - -/* The code is the obvious. */ - - if (which < 0 || which >= MAX_SOCKETS || descriptors[which] < 0) - fatal(0,"socket index out of range or not open",NULL); - if (verbose > 2) fprintf(stderr,"Flushing outstanding packets\n"); - errno = 0; - if ((flags = fcntl(descriptors[which],F_GETFL,0)) < 0 || - fcntl(descriptors[which],F_SETFL,flags|O_NONBLOCK) == -1) - fatal(1,"unable to set non-blocking mode",NULL); - while (1) { - n = sizeof(scratch); - errno = 0; - k = recvfrom(descriptors[which],buffer,256,0, - (struct sockaddr *)&scratch,&n); - if (k < 0) { - if (errno == EAGAIN || errno == EWOULDBLOCK) break; - fatal(1,"unable to flush socket",NULL); - } - ++count; - total += k; - } - errno = 0; - if (fcntl(descriptors[which],F_SETFL,flags) == -1) - fatal(1,"unable to restore blocking mode",NULL); - if (verbose > 2) - fprintf(stderr,"Flushed %d packets totalling %d bytes\n",count,total); - return count; -} - - - -extern void close_socket (int which) { - -/* There is little point in shielding this with a timeout, because any hangs -are unlikely to be interruptible. It can get called when the sockets haven't -been opened, so ignore that case. */ - - if (which < 0 || which >= MAX_SOCKETS) - fatal(0,"socket index out of range",NULL); - if (descriptors[which] < 0) return; - errno = 0; - if (close(descriptors[which])) fatal(1,"unable to close NTP socket",NULL); -} diff --git a/contrib/ntp/sntp/timing.c b/contrib/ntp/sntp/timing.c deleted file mode 100644 index 30a9159..0000000 --- a/contrib/ntp/sntp/timing.c +++ /dev/null @@ -1,110 +0,0 @@ -/* Copyright (C) 1996 N.M. Maclaren - Copyright (C) 1996 The University of Cambridge - -This includes all of the code needed to handle the time. It assumes rather -more than is defined by POSIX, unfortunately. Systems that do not have the -'X/Open' extensions may need changes. */ - - - -#include "header.h" - -#include <sys/types.h> -#include <sys/time.h> - -#define TIMING -#include "kludges.h" -#undef TIMING - - - -#define MILLION_L 1000000l /* For conversion to/from timeval */ -#define MILLION_D 1.0e6 /* Must be equal to MILLION_L */ - - - -double current_time (double offset) { - -/* Get the current UTC time in seconds since the Epoch plus an offset (usually -the time from the beginning of the century to the Epoch!) */ - - struct timeval current; - - errno = 0; - if (gettimeofday(¤t,NULL)) - fatal(1,"unable to read current machine/system time",NULL); - return offset+current.tv_sec+1.0e-6*current.tv_usec; -} - - - -time_t convert_time (double value, int *millisecs) { - -/* Convert the time to the ANSI C form. */ - - time_t result = (time_t)value; - - if ((*millisecs = (int)(1000.0*(value-result))) >= 1000) { - *millisecs = 0; - ++result; - } - return result; -} - - - -void adjust_time (double difference, int immediate, double ignore) { - -/* Adjust the current UTC time. This is portable, even if struct timeval uses -an unsigned long for tv_sec. */ - - struct timeval old, new, adjust, previous; - char text[40]; - long n; - -/* Start by converting to timeval format. Note that we have to cater for -negative, unsigned values. */ - - if ((n = (long)difference) > difference) --n; - adjust.tv_sec = n; - adjust.tv_usec = (long)(MILLION_D*(difference-n)); - errno = 0; - if (gettimeofday(&old,NULL)) - fatal(1,"unable to read machine/system time",NULL); - new.tv_sec = old.tv_sec+adjust.tv_sec; - new.tv_usec = (n = (long)old.tv_usec+(long)adjust.tv_usec); - if (n < 0) { - new.tv_usec += MILLION_L; - --new.tv_sec; - } else if (n >= MILLION_L) { - new.tv_usec -= MILLION_L; - ++new.tv_sec; - } - -/* Now diagnose the situation if necessary, and perform the dirty deed. */ - - if (verbose > 2) - fprintf(stderr, - "Times: old=(%ld,%.6ld) new=(%ld,%.6ld) adjust=(%ld,%.6ld)\n", - (long)old.tv_sec,(long)old.tv_usec, - (long)new.tv_sec,(long)new.tv_usec, - (long)adjust.tv_sec,(long)adjust.tv_usec); - if (immediate) { - errno = 0; - /* if (settimeofday(&new,NULL)) - fatal(1,"unable to reset current system time",NULL);*/ - } else { - errno = 0; - /* if (adjtime(&adjust,&previous)) - fatal(1,"unable to adjust current system time",NULL);*/ - if (previous.tv_sec != 0 || previous.tv_usec != 0) { - sprintf(text,"(%ld,%.6ld)", - (long)previous.tv_sec,(long)previous.tv_usec); - if (previous.tv_sec+1.0e-6*previous.tv_usec > ignore) - fatal(0,"outstanding time adjustment %s",text); - else if (verbose) - fprintf(stderr,"%s: outstanding time adjustment %s\n", - argv0,text); - } - } -} diff --git a/contrib/ntp/sntp/unix.c b/contrib/ntp/sntp/unix.c deleted file mode 100644 index c9d5d74..0000000 --- a/contrib/ntp/sntp/unix.c +++ /dev/null @@ -1,92 +0,0 @@ -/* Copyright (C) 1996 N.M. Maclaren - Copyright (C) 1996 The University of Cambridge - -This includes code that really should have been part of ANSI/ISO C, but was -left out for historical reasons (despite requests to define ftty), plus -the get_lock() and log_message() functions. -*/ - -#include "header.h" - -#include <sys/types.h> -#include <unistd.h> -#include <syslog.h> -#include <signal.h> - -#define UNIX -#include "kludges.h" -#undef UNIX - - -void do_nothing (int seconds) { - -/* Wait for a fixed period, possibly uninterruptibly. This should not wait -for less than the specified period, if that can be avoided. */ - - sleep((unsigned int)(seconds+2)); /* +2 is enough for POSIX */ -} - - - -int ftty (FILE *file) { - -/* Return whether the file is attached to an interactive device. */ - - return isatty(fileno(file)); -} - - - -void set_lock (int lock) { - -/* Check that we have enough privileges to reset the time and that no other -updating msntp process is running, but don't bother with fancy interlocking. -This function is really only to permit the daemon mode to be restarted in a -cron job and improve the diagnostics; it can be replaced by a 'return' -statement if it causes implementation difficulties. Note that there is little -point in clearing the lock under Unix, but do so anyway. */ - - FILE *file; - long pid; - - if (lockname == NULL || lockname[0] == '\0') return; - if (lock) { - errno = 0; - if ((file = fopen(lockname,"r")) != NULL && - fscanf(file,"%ld",&pid) == 1 && kill(pid,0) == 0) { - if (verbose || isatty(STDIN_FILENO) || isatty(STDOUT_FILENO)) - fatal(0,"another msntp process is currently running",NULL); - else - fatal(0,NULL,NULL); - } - if (file != NULL) fclose(file); - errno = 0; - if ((file = fopen(lockname,"w")) == NULL || - fprintf(file,"%ld\n",(long)getpid()) <= 0 || - ferror(file) || fclose(file) != 0) - fatal(1,"unable to write PID to %s",lockname); - adjust_time(0.0,1,0.0); - } else { - errno = 0; - if (remove(lockname) != 0) - fatal(1,"unable to remove the msntp lockname %s",lockname); - } -} - - - -/* - * Log a message, crudely. - * This is used in only one place, but could be used more widely. - */ - -void -log_message (const char *message) -{ - - syslog( -#ifdef LOG_DAEMON - LOG_DAEMON | -#endif - LOG_WARNING, "%s", message); -} |