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(20 Sep 2013,
<verbatim> Changes in 1.0.7 ---------------- - Fixed a part of the incorrect bug fix in 1.0.6. 1.0.6 ---------------- - Bug fix for https://bugs.gentoo.org/show_bug.cgi?id=350685 (Thanks Diego Augusto Molina for the bug report and Pavel Kazakov for debugging) 1.0.5 ---------------- - Change of e-mail/website - Fix for debian build 1.0.4 ---------------- - Fixed a memory leak (reported and fixed by Andreas Bohne-Lang) 1.0.3 ----- - Fixed logic error... 1.0.2 is broken :( 1.0.2 ----- - Fixed a buffer overflow when time offset gets to large https://dev.openwrt.org/cgi-bin/trac.fcgi/ticket/3940 1.0.1 ----- - Added "burst mode" (-b) to enhance accuracy. - Extended debug output - Removed potential buffer overflows vulnerabilities. - Replaced usleep by nanosleep (which is more portable). - Included debian package. 1.0.0 ----- - Cleanup/simplified the code. - Again a more robust implementation of the "-p" (precision) switch. 0.9.3 ----- - Bug fixes: poll loop could be become close to zero in case of a "connection failed". Sleeptime wasn't correct in case all hosts fail. - Use more "sane" minsleep and maxsleep values. 0.9.2 ----- - The use of the ntp_adjtime system call is now optional. The clock frequency will be adjusted when using the "-x" switch and the systematic drift will be compensated. Works only in daemon mode. 0.9.1 ----- - Htpdate can drop root privileges and run as a restricted user. - Drift calculation starts now after first time correction. 0.9.0 ----- - Mostly code cleanup - Changed "char" variables into "int", which should be more efficient - Changed the qsort routine, into an insertion sort. Quicksort is kind of overkill for such small lists. - Debug mode is allowed in daemon mode. 0.8.8 ----- - Speeded up the poll cycle loop, once a time offset has been detected. - Added systematic drift to the syslog logging (daemon only). The "adjtimex_parameters.sh" script may help to reduce the drift of your system clock. - Changed "precision" from micro into milliseconds. - Changed manpage directory from /usr/man into /usr/share/man. - HTTP/1.1 has become the default 0.8.7 ----- - Bug fix: with precision set, the time could only be adjusted negative (slow down). - Fixed undesired effects in (rare) cases when using only a few servers. - Exit code changed to 1 if no server was found (requested by Supernaut). 0.8.6 ----- - Reintroduction of the "-p" switch. The "precision" determines more accurate when a time adjustment is needed. The implementation of precision is much beter than the one in the past. 0.8.5 ----- - Changed the variable type of "param" from char into int (thanks to Arnaud Mazin). GCC 3.4.x is less forgiving than older versions. - Made compare function for qsort more robust (avoiding overflow). 0.8.4 ----- - Finaly added IPv6 support! - If you would lose internet connectivity, htpdate would flood the system (CPU and log). A patch submitted by Peter Surda, has been included. - Removed -0 switch (HTTP/1.0), since this is the default anyway. 0.8.3 ----- - Fixed that "when" wasn't properly initialized in every poll cycle. This bug fix reduces jitter when system time is close to the correct time. - Added missing "-t" switch to the manpage. - Added warning message if more than 16 servers are specified. - Htpdate double forks now, like a proper daemon :) - vim setting are added to the source (set ts=4) 0.8.2 ----- - Fixed a major bug in offset calculation (caused by changing the rtt type from double to unsigned long) 0.8.1 (broken) -------------- - Correction install paths in Makefile, added uninstall option - Added "-t" switch, which disables time sanity checking (requested for devices, like supported by openwrt, which boot/startup at "epoch" time) 0.8.0 ----- - Lots of code clean up, eg.: - compiles with the -ansi switch (for better portability, but only tested on Linux and FreeBSD) - Compiles with Tiny C Compiler (tcc) and Intel C compiler (icc) - Restored compatibility with FreeBSD (timezone calculation). - A second poll is made if a time offset has been detected. - Removed the switches "-t" and "-x". In daemon mode htpdate will only adjust time. With the "-s" switch htpdate will set the time once at startup and after that only smooth adjusts are made. - Added "-l" switch, which enables logging to syslog in non-daemon mode. Convinient if htpdate is used from cron. - Added "-0" to make an HTTP/1.0 request and "-1" for HTTP/1.1 0.7.2 ----- - Minor bug fix. When running in daemon mode TCP connections weren't cleaned up properly (sockets remained in CLOSE_WAIT status). 0.7.1 ----- - Bug fix. Poll cycle could become very very short (seconds...) in some cases. 0.7.0 ----- - The polling mechanisme has been improved once more :) As of this version polls are also spread within the polling cycle. This way a time offset will be detected earlier, without increasing the polling frequency. - Sleeptime isn't writen to syslog anymore, only time adjustments - Previous versions of htpdate tried to close a already closed HTTP/1.0 session. - The rpm version doesn't override the init-script anymore 0.6.2 ----- - Bug fix, time wasn't correct if 'timeavg' was negative... 0.6.1 ----- - Code clean up, use global variable 'timezone' 0.6 --- - New poll schedule mechanisme has been introduced! This results in a better spreading of the polls in time to gain some extra accuracy. - Removed the -p (precision) flag, because it has become obsolete with the new poll scheduling mechanisme. - Extended 'debug mode' output with round trip time (rtt) information. - Sleeptime parameters are no longer in seconds, but in 2^n seconds. 0.5 --- - Added relevant header files, so gcc -Wall compiles without warnings. - Added -p switch, to set the precision of htpdate. The polling rate is affected by this switch (high precision -> more frequent polling). 0.4 --- - Spread the individual time polls better, to gain accuracy with a small number of web servers as source - Added debug mode, so you can value the quality of the timestamps from web servers - Minor correction on HEAD request (removed max-age=0) - pid file is created - Added htpdate init script 0.3 --- - Run htpdate as a daemon - automatic set/adjust time, based upon offset - automatic poll interval - Added manpage - Added RPM - Minor bug fixes 0.2 --- - Htpdate can set or adjust time smoothly now, without calling external programs 0.1 --- - Initial release. Htpdate extracts the raw timestamp from a webserver. </verbatim>
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Topic revision: r10 - 20 Sep 2013,
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