Attachment 291470 Details for Bug 428440 – denyhosts init script

denyhosts init script

denyhosts (text/plain), 4.04 KB, created by Matt Castelein on 2008-01-12 17:00:25 UTC

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Creator: Matt Castelein

Created: 2008-01-12 17:00:25 UTC

Size: 4.04 KB

patch

obsolete

>#!/usr/bin/env python
># denyhosts     Bring up/down the DenyHosts daemon
>#
># chkconfig: 2345 98 02
># description: Activates/Deactivates the
>#    DenyHosts daemon to block ssh attempts
>#
>###############################################
>
>###############################################
>#### Edit these to suit your configuration ####
>###############################################
>
>DENYHOSTS_BIN   = "/usr/bin/denyhosts.py"
>DENYHOSTS_LOCK  = "/var/lock/subsys/denyhosts"
>DENYHOSTS_CFG   = "/etc/denyhosts.conf"
>PYTHON_BIN      = "/usr/bin/env python"
>
>###############################################
>####         Do not edit below             ####
>###############################################
>
>DENYHOSTS_BIN = "%s %s" % (PYTHON_BIN, DENYHOSTS_BIN)
>
>import os, sys, signal, time
>
># make sure 'ps' command is accessible (which should be
># in either /usr/bin or /bin.  Modify the PATH so
># popen can find it
>env = os.environ.get('PATH', "")
>os.environ['PATH'] = "/usr/bin:/bin:%s" % env
>os.environ['HOSTNAME'] = "arturo"  # <--Added to workaround startup problem
>
>STATE_NOT_RUNNING = -1
>STATE_LOCK_EXISTS = -2
>
>def usage():
>    print "Usage: %s {start [args...] | stop | restart [args...] | status | debug | condrestart [args...] }" % sys.argv[0]
>    print
>    print "For a list of valid 'args' refer to:"
>    print "$ denyhosts.py --help"
>    print
>    sys.exit(0) 
>
>
>def getpid():
>    try:
>        fp = open(DENYHOSTS_LOCK, "r")
>        pid = int(fp.readline().rstrip())
>        fp.close()
>    except Exception, e:
>        return STATE_NOT_RUNNING
>
>    
>    if not sys.platform.startswith('freebsd') and os.access("/proc", os.F_OK):
>        # proc filesystem exists, look for pid
>        if os.access(os.path.join("/proc", str(pid)), os.F_OK):
>            return pid
>        else:
>            return STATE_LOCK_EXISTS
>    else:
>        # proc filesystem doesn't exist (or it doesn't contain PIDs), use 'ps'
>        p = os.popen("ps -p %d" % pid, "r")
>        p.readline() # get the header line
>        pid_running = p.readline() 
>        # pid_running will be '' if no process is found
>        if pid_running: 
>            return pid
>        else: 
>            return STATE_LOCK_EXISTS
>
>
>def start(*args):
>    cmd = "%s --daemon " % DENYHOSTS_BIN
>    if args: cmd += ' '.join(args)
>        
>    print "starting DenyHosts:   ", cmd
>
>    os.system(cmd)
>
>
>def stop():
>    pid = getpid()
>    if pid >= 0:
>        os.kill(pid, signal.SIGTERM)
>        print "sent DenyHosts SIGTERM"
>    else:
>        print "DenyHosts is not running"
>
>def debug():
>    pid = getpid()
>    if pid >= 0:
>        os.kill(pid, signal.SIGUSR1)
>        print "sent DenyHosts SIGUSR1"
>    else:
>        print "DenyHosts is not running"
>        
>def status():
>    pid = getpid()
>    if pid == STATE_LOCK_EXISTS:
>        print "%s exists but DenyHosts is not running" % DENYHOSTS_LOCK
>    elif pid == STATE_NOT_RUNNING:
>        print "Denyhosts is not running"
>    else:
>        print "DenyHosts is running with pid = %d" % pid
>
>
>def condrestart(*args):
>    pid = getpid()
>    if pid >= 0:
>        restart(*args)
>        
>
>def restart(*args):
>    stop()
>    time.sleep(1)
>    start(*args)  
>
>
>if __name__ == '__main__':
>    cases = {'start':       start,
>             'stop':        stop,
>             'debug':       debug,
>             'status':      status,
>             'condrestart': condrestart,
>             'restart':     restart}
>    
>    try:
>        args = sys.argv[2:]
>    except:
>        args = []
>
>    try:
>        # arg 1 should contain one of the cases above
>        option = sys.argv[1]
>    except:
>        # try to infer context (from an /etc/init.d/ script, perhaps)
>        procname = os.path.basename(sys.argv[0])
>        infer_dict = {'K': 'stop',
>                      'S': 'start'}
>        option = infer_dict.get(procname[0])
>        if not option:
>            usage()
>
>    try:
>        if option in ('start', 'restart', 'condrestart'):
>            if '--config' not in args and '-c' not in args:
>                args.append("--config=%s" % DENYHOSTS_CFG)
>
>        cmd = cases[option]
>        apply(cmd, args)
>    except:
>        usage()
>    
>
>

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Attachments on bug 428440: 291470