/[monit]/monit/CHANGES.txt
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revision 1.223 by hauk, Wed Mar 23 22:57:43 2005 UTC revision 1.224 by hauk, Mon Mar 28 22:43:57 2005 UTC
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1                           CHANGES version 4.5                           CHANGES version 4.5
2    
3               This file summarizes changes made since 1.0               This file summarizes changes made since 3.0
4    
5  Version 4.5  Version 4.5
6    
# Line 906  Version 3.0 Line 906  Version 3.0
906  *  This release makes use of autoheader and config.h. Thanks to Mark  *  This release makes use of autoheader and config.h. Thanks to Mark
907     Ferlatte <ferlatte!cryptio.net>.     Ferlatte <ferlatte!cryptio.net>.
908    
   
 Version 2.5.1:  
   
 *  This release adds a new check for unix socket based servers in  
    addition to networked port.  The syntax is based on the monit port  
    command, e.g.: unix /var/run/foosocket  
   
 *  The file creation mask monit was started with is now passed along  
    to programs started by monit. In other words, the umask monit was  
    started with is inherited by programs started by monit.  
   
 *  The monit daemon is now properly detached from the console  
    tty. Thanks to Mark Ferlatte <ferlatte!cryptio.net>.  
   
 *  Changed the the default udp socket test to actually check if an udp  
    server is running or not. In previous versions the default udp test  
    would always return success even if there was no server behind the  
    stated portnumber. The new udp test is not perfect, a 1 byte udp  
    packet is sent to the server to test if the server is running; this  
    may cause an error report by the server. Still, we belive this test  
    is better than no test. In a future release this test will be  
    improved.  
   
 *  This release makes it possible to write %xy url-encoded characters  
    in the http protocol request.  
   
 *  This release fixes a problem with a changed monitrc file and a  
    monit daemon running in the background. The monit httpd will now  
    start again if it was previously stopped or it will restart with a  
    new portnumber if the portnumber was changed in the monitrc file.  
   
   
 Version 2.5:  
   
 *  This release adds IP address based ACL for monit httpd. It is now  
    possible to use IP addresses in addition to hostnames in the  
    'allow' statement.  
   
 *  The http protocol test is now based on HTTP/1.1 and actually  
    supports HTTP/1.1 virtual hosts.  
   
 *  The http protocol test is also extended to include an optional  
    request statement for http. With this statement it is possible to  
    ask monit to check a particular url, like so:  
      host www.cnn.com port 80 proto http request "/markets/ipo"  
   
 *  The status command is changed to print an uptime string for each  
    process in addition to the usual output. The web interface will also  
    show the uptime for each process monitored.  
   
 *  Suse rpm spec files added in contrib/packages/suse by Thomas Oppel  
   
 *  And finally, the monit's web interface has got a new designed  
   
   
 Version 2.4.3:  
   
 *  This release adds a new configuration file statement that makes it  
    possible to specify an address the monit httpd should bind to.  
   
 *  This release fixes a problem with monit httpd descriptor  
    inheritance. On Solaris it has been observed that programs started  
    by monit could inherit the monit httpd server socket with the  
    result that these programs also seemed to listen on the httpd port  
    number.  Thanks to Christian Hopp <chopp!iei.tu-clausthal.de> for  
    reporting and help solving this bug.  
   
 *  The date header in email alerts is changed to a RFC 1123 Date  
    string. This will make Mail User Agents happier. Again thanks to  
    Christian Hopp <chopp!iei.tu-clausthal.de> for reporting this  
    problem.  
   
   
 Version 2.4.2:  
   
 *  This release adds an explicit date header to emails emitted by  
    monit. It seems that qmail have problems setting the date header  
    and if the header is not present in the mail, qmail will set a  
    wrong date (i.e. the EPOCH). Patch submitted by Georgi  
    Chorbadzhiyski <gf!unixsol.org>.  
   
 *  This release also fixes a possible SIGSEGV that could occur when  
    the monit http://../_about HTML page was displayed. Thanks to  
    Martin Pala for helping with the patch.  
   
 *  More consistent log and console reporting when starting and  
    stopping the monit deamon and minor simplification in the http  
    server code. Again thanks to Martin Pala for submitting patches.  
   
 *  This release also revert to using the old alarm code for http  
    connection timeout in the monit http server, instead of using the  
    new SO_RCVTIMEO socket option since few Unix versions support this  
    (correctly).  
   
   
 Version 2.4.1:  
   
 * Fixed a bug that could cause monit *not* to start programs. The 2.4  
   version had a bug that could cause a SIGSEGV in spawn.c with the  
   result that the child process that should start a program died. This  
   bug occured if the set logfile syslog statement was used in monitrc.  
   Thanks to Volker-J Westphal <volker-j.westphal!db.com> for reporting  
   and help solving this bug.  
   
 * $ is allowed in the from address in mail-format, to make this type  
   of statement legal; mail-format { from: monit@$HOST }.  
   
 * Internal simplification of the mail format code, Thanks to Martin  
   Pala <martinp!tildeslash.com>.  
   
 * The SIGUSR1 signal is blocked in the alert function so e.g. a monit  
   wakeup call cannot interrupt a mail alert transfeer.  
   
   
 Version 2.4:  
   
 * Extended refactoring of the alert function. It is now possible to  
   customize the email message monit will send. Thanks to Martin Pala  
   <martinp!tildeslash.com>, for helping with this refactoring and for  
   providing code that makes it possible to send multiple alert messages.  
   
 * If a monit daemon is running in the background it is requested to  
   stop programs. This way, a monit daemon will not start a program  
   again after it was stopped with the command; 'monit stop'  
   
 * The statements 'checksum start' and 'checksum stop' are  
   depricated. Instead use the 'checksum file' statement.  
   
 * Fixed a significant but extremely rare alarm signal thread conflict.  
   An alarm signal emitted by one thread and catched by another could  
   cause monit to die (observed on FreeBSD). This could happen if monit  
   was sending an alert mail while the http thread processed a request  
   at the same time.  
   
 * Minor bug fixes in the parser and the source code is changed to use  
   stronger typing.  
   
   
 Version 2.3:  
   
 * This release adds a group statement feature to monit, thanks to  
   K. Sayah Karadji. It's now possible to group together several  
   program entries in the control file and manage a group of programs  
   from the command line. This release also introduce the autostart  
   statement, also provided by K. Sayah Karadji. This statement is used  
   to control if monit should automatically start a program if it is  
   not running.  
   
 * Restarts is again a noise keyword, (but note, restart without the  
   ending 's' is a regular keyword). This makes it possible to write  
   the timeout statement verbosely again as stated in the documentation:  
        timeout if 3 restarts within 3 cycles  
   
 Version 2.2.1:  
   
 * This release fix a problem with Basic Authentication overriding the  
   Host Allow List authentication. Now both authentication methods can  
   be used together as stated in the documentation.  
   
 * This release also fix build problems on Solaris and on FreeBSD (with  
   only GNU Portable Threads).  
   
   
 Version 2.2:  
   
 * The monit http server socket is made reusable. This is useful if  
   monit has been shut down, and then restarted right away.  
   
 * The md5 checksum function has been refactored. Checksum are now  
   optional per program entry.  
   
   
 Version 2.1.1:  
   
 * The socket interface has been made more robust in this release by  
   masking out the SIGPIPE signal.  
   
 * Removed a mini memory leakage when starting/stopping programs from  
   the web-interface.  
   
   
 Version 2.1:  
   
 * Basic Authentication schema added. This feature is usefull if you  
   want to connect to a monit httpd from a host without a permanent  
   IP-address and want an alternative to the host allow list  
   authentication.  
   
 * If an 'allow host' entry is removed from the control file, the host  
   will also be removed from monits internal allow list on the next  
   poll cycle. This was not done in previous releases.  
   
 * Some refactoring and extensive HTML documentation for the monit  
   source code.  
   
   
 Version 2.0:  
   
 * Support for start, stop and restart of specified programs from the  
   command line.  
   
 * The http interface now support start and stop of all programs  
   managed by monit. This is e.g. useful for managing daemons on  
   several machines from a browser.  
   
 * monit now use POSIX threads and does not fork of a standalone http  
   process, instead the monit http server is started in its own thread.  
   
   
 Version 1.4.1:  
   
 * Programs are now actually started with standard filedescriptors  
   opened. There was a bug in the spawn.c code that did the opposite.  
   Thanks to Martin Pala <martinp!tildeslash.com> for providing this  
   bugfix.  
   
   If you had a problem with starting certain deamons from monit this  
   release will (probably) fix that.  
   
   
 Version 1.4:  
   
 * Fixed build problems on Solaris 2.[5/6]  
   
   
 Version 1.4beta:  
   
 * monit now has a web-interface. You can check if monit is running and  
   the status of all programs monitored by monit from a browser.  
   
 * A checksum is taken for all programs that monit uses for managing  
   daemons, and an alert notification is sent if a program changes.  
   Thanks to Rick Robino <rrobino!peek.com> for suggesting this feature.  
   
 * The spawn code has been simplified and tighten.  
   
 * NOTE: THIS VERSION HAS ONLY BEEN BUILT AND TESTED ON LINUX RH 7.1.  
   
   
 Version 1.3.1:  
   
 * Alert notification is put after server restart. Relevant if monit  
   watches the local smtp server and use this for alert as well.  
   Thanks to "Martynas" <martynas!inet.lt> for the reminder.  
     
 * The timeout alarm is started before monit tries to open a socket, so  
   monit doesn't hang on a connection.  
   
 * Fixed the possible '-c' exploit. (And hopefully others).  
   
   
 Version 1.3:  
   
 * Most of the source files in this release are to some extent  
   changed. For the most part, it's just polishing, but the grammar is  
   refactored a bit and the connection testing code are extended  
   much. Because of this I feel more comfortable to coin this release a  
   BETA release. The quality of the code should be good, but this  
   release has not been long into production. Feedback and any bugfixes  
   are welcome.  
   
 * NB! The syntax for the host-statement is changed slightly. The new  
   syntax is (see the man file for explanation):  
    [HOST hostname] PORT number [TYPE {TCP|UDP}] [PROTO(COL) {name}]  
   
 * Code added for safer exec and environment handling  
   
 * Polished the controlfile grammar, so that optional statements  
   doesn't have to be written in any particular order.  
   
 * Extended the alert function to include restart alerts. Alert is now  
   a standalone statement, not depending on timeout.  
   
 * Code added for better memory allocation.  
   
 * When testing (default) connection to a port, new code is added to  
   test if it's possible to write or read to/from the socket. This is  
   a good vitality test for any server.  
   
 * The following was provided by Michael Amster <mamster!webeasy.com>  
   and included into this release:  
   
   - sendmail.c now correctly supports RFC822 and does not send bare  
     linefeeds.  
   
   - Fixed stack smashing security issues. General replacement of  
     strcpy with strncpy, sprintf with snprintf, strcat with strncat.  
   
 * Michael also provided code that inspired me to create a new  
   interface for semantic test for some of the more popular Internet  
   protocols, like HTTP, POP, SMTP and FTP. The "interface" design is  
   loosely based on the Delegation Pattern. It's easy to develop new or  
   change existing protocol modules without changing any main program  
   logic.  With this feature, monit will be able to, not only connect  
   to a certain port, but also speak the protocol to verify that the  
   server works. If you want to create your own protocol modules, see  
   the NOTES file in the protocols directory.  
   
   
 Version 1.2:  
   
 * monit now saves its pidfile in /var/run or /etc when run by root  
   
 * Fixed Mailserver-statement so real hostnames can be used as well as  
   localhost.  
   
 * Fixed permission problem when checking for running process. This  
   problem occured when monit was started by a regular user and monit  
   tested a program run by root (e.g. a program doing setuid=root).  
   In this case monit wrongfully reported that the program was not  
   running, even if it did.  
   
 * The following was provided by Olivier Beyssac and included into  
   this release:  
   
   - In case your server provides IP-based or name-based virtual hosts  
     you can now use monit for connection testing to explicit stated    
     hostnames:  
         New format for this is : host <hostname> port <number>  
     This is backward-compatible with the "port <number>" only  
     statement, where the hostname is implicit localhost.  
   
   - Added an every statement, to check a process every n cycle  
   
   
 Version 1.1:  
   
 * Support for UDP as well as TCP in port checking  
   
 * Program timeout mechanism and alert notification  
   
 * Fixed minor precedence problem between global 'set-variables' set at  
   the command-line and the control file  
     
   
 Version 1.0:  
   
 * Initial release  
   

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