X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-si%2Fgosa-si-client;h=7e38a20830fc145430a63727192149d14df85b35;hb=7a2821ea86076ebecd8fbea137a9c9901073412b;hp=afb51ba26278252d4e612aff59ff96e33899348a;hpb=92d31c9402790dcff736bc75d1c76edc6e3c5c1e;p=gosa.git diff --git a/gosa-si/gosa-si-client b/gosa-si/gosa-si-client index afb51ba26..7e38a2083 100755 --- a/gosa-si/gosa-si-client +++ b/gosa-si/gosa-si-client @@ -18,42 +18,50 @@ # REVISION: --- #=============================================================================== +my $client_version = '$HeadURL$:$Rev$'; + use strict; use warnings; -use utf8; use Getopt::Long; use Config::IniFiles; use POSIX; use Time::HiRes qw( gettimeofday ); -use POE qw(Component::Server::TCP Wheel::FollowTail); +use POE qw(Component::Server::TCP Wheel::FollowTail Wheel::Run); use IO::Socket::INET; use NetAddr::IP; -use Data::Dumper; use Crypt::Rijndael; use GOSA::GosaSupportDaemon; use Digest::MD5 qw(md5_hex md5 md5_base64); use MIME::Base64; use XML::Simple; -use Net::DNS; use File::Basename; +use File::Spec; +use Fcntl; + +# Workaround: need pure perl to make it work with UTF-8 :-( +$XML::Simple::PREFERRED_PARSER= "XML::SAX::PurePerl"; +my $client_headURL; +my $client_revision; +my $client_status; my $event_dir = "/usr/lib/gosa-si/client/events"; use lib "/usr/lib/gosa-si/client/events"; my (%cfg_defaults, $foreground, $verbose, $pid_file, $procid, $pid, $log_file, $fai_logpath); -my ($server_ip, $server_port, $server_key, $server_timeout, $server_domain, $server_key_lifetime); -my ($client_ip, $client_port, $client_mac_address, $ldap_enabled, $ldap_config, $pam_config, $nss_config); +my ($server_ip, $server_port, $server_timeout, $server_domain, $server_key_lifetime); +my ($client_port, $ldap_enabled, $ldap_config, $pam_config, $nss_config); +my ($root_uid, $adm_gid); my $xml; -my $default_server_key; my $event_hash; +my $default_server_key; my @servers; my $gotoHardwareChecksum; -my $gosa_si_client_fifo; -my %files_to_watch; +my $system_com; $verbose= 1; # globalise variables which are used in imported events +our $global_kernel; our $cfg_file; our $opts_file; our $server_address; @@ -61,20 +69,32 @@ our $client_address; our $client_ip; our $client_mac_address; our $client_dnsname; +our $client_force_hostname; our $server_key; +our $terminal_server_hash; # default variables our $REGISTERED = 0; # path to fifo for non-gosa-si-client messages to gosa-si-server -$gosa_si_client_fifo = "/var/run/gosa-si-client.socket"; -%files_to_watch = (fifo => $gosa_si_client_fifo); +my $fai_com_fifo = "/var/run/gosa-si-client.socket"; +my $system_com_fifo = "/var/run/gosa-si-client-system-com.socket"; +my %files_to_watch = (fai_fifo => $fai_com_fifo, system_fifo => $system_com_fifo); # in function register_at_gosa_si_server, after which period of seconds a new registration should be tried if a registration was # not successful until now -my $delay_set_time = 5; +my $delay_set_time = 10; our $prg= basename($0); +# all n seconds the client reports logged_in users to gosa-si-server +my $trigger_logged_in_users_report_delay = 600; + +# all n seconds the client reports messages seen by user +my $trigger_seen_messages_delay = 30; + +# directory where all log files from installation are stored +my $fai_log_dir = "/var/log/fai"; + %cfg_defaults = ( "general" => {"log-file" => [\$log_file, "/var/run/".$prg.".log"], @@ -85,12 +105,14 @@ our $prg= basename($0); {"port" => [\$client_port, "20083"], "ip" => [\$client_ip, "0.0.0.0"], "mac-address" => [\$client_mac_address, "00:00:00:00:00:00"], - "server-domain" => [\$server_domain, ""], + "server-domain" => [\$server_domain, ""], "ldap" => [\$ldap_enabled, 1], "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"], "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"], - "nss-config" => [\$nss_config, "/etc/libnss_ldap.conf"], - "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"], + "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"], + "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"], + "force-hostname" => [\$client_force_hostname, "false"], + "system-com" => [\$system_com, "disabled"], }, "server" => { "ip" => [\$server_ip, "127.0.0.1"], @@ -105,6 +127,19 @@ our $prg= basename($0); #=== FUNCTIONS = functions ===================================================== +sub usage { + print STDERR << "EOF" ; +usage: $prg [-hvf] [-c config] + + -h : this (help) message + -c : config file + -f : foreground, process will not be forked to background + -v : be verbose (multiple to increase verbosity) + +EOF + print "\n" ; +} + #=== FUNCTION ================================================================ # NAME: check_cmdline_param # PARAMETERS: @@ -130,33 +165,6 @@ sub check_cmdline_param () { } -#=== FUNCTION ================================================================ -# NAME: read_configfile -# PARAMETERS: cfg_file - string - -# RETURNS: -# DESCRIPTION: -#=============================================================================== -sub read_configfile { - my ($cfg_file, %cfg_defaults) = @_ ; - my $cfg; - if( defined( $cfg_file) && ( length($cfg_file) > 0 )) { - if( -r $cfg_file ) { - $cfg = Config::IniFiles->new( -file => $cfg_file ); - } else { - print STDERR "Couldn't read config file!"; - } - } else { - $cfg = Config::IniFiles->new() ; - } - foreach my $section (keys %cfg_defaults) { - foreach my $param (keys %{$cfg_defaults{ $section }}) { - my $pinfo = $cfg_defaults{ $section }{ $param }; - ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] ); - } - } -} - - #=== FUNCTION ================================================================ # NAME: check_pid # PARAMETERS: @@ -208,9 +216,9 @@ sub check_pid { sub sig_int_handler { my ($signal) = @_; - - daemon_log("shutting down gosa-si-server", 1); - exit(1); + + daemon_log("shutting down gosa-si-client", 1); + system("kill `ps -C gosa-si-client -o pid=`"); } $SIG{INT} = \&sig_int_handler; @@ -224,69 +232,45 @@ $SIG{INT} = \&sig_int_handler; # DESCRIPTION: #=============================================================================== sub daemon_log { - # log into log_file +# log into log_file my( $msg, $level ) = @_; if(not defined $msg) { return } if(not defined $level) { $level = 1 } if(defined $log_file){ - open(LOG_HANDLE, ">>$log_file"); - if(not defined open( LOG_HANDLE, ">>$log_file" )) { - print STDERR "cannot open $log_file: $!"; - return } - chomp($msg); - if($level <= $verbose){ - my ($seconds, $minutes, $hours, $monthday, $month, - $year, $weekday, $yearday, $sommertime) = localtime(time); - $hours = $hours < 10 ? $hours = "0".$hours : $hours; - $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes; - $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds; - my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"); - $month = $monthnames[$month]; - $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday; - $year+=1900; - - my $log_msg = "$month $monthday $hours:$minutes:$seconds $prg $msg\n"; - print LOG_HANDLE $log_msg; - if( $foreground ) { - print STDERR $log_msg; - } + my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440); + if(not $open_log_fh) { + print STDERR "cannot open $log_file: $!"; + return; + } + # check owner and group of log_file and update settings if necessary + my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file); + if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) { + chown($root_uid, $adm_gid, $log_file); + } + + chomp($msg); + if($level <= $verbose){ + my ($seconds, $minutes, $hours, $monthday, $month, + $year, $weekday, $yearday, $sommertime) = localtime(time); + $hours = $hours < 10 ? $hours = "0".$hours : $hours; + $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes; + $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds; + my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"); + $month = $monthnames[$month]; + $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday; + $year+=1900; + + my $log_msg = "$month $monthday $hours:$minutes:$seconds $prg $msg\n"; + print LOG_HANDLE $log_msg; + if( $foreground ) { + print STDERR $log_msg; } + } close( LOG_HANDLE ); } } -#=== FUNCTION ================================================================ -# NAME: get_interfaces -# PARAMETERS: none -# RETURNS: (list of interfaces) -# DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces. -#=============================================================================== -sub get_interfaces { - my @result; - my $PROC_NET_DEV= ('/proc/net/dev'); - - open(PROC_NET_DEV, "<$PROC_NET_DEV") - or die "Could not open $PROC_NET_DEV"; - - my @ifs = ; - - close(PROC_NET_DEV); - - # Eat first two line - shift @ifs; - shift @ifs; - - chomp @ifs; - foreach my $line(@ifs) { - my $if= (split /:/, $line)[0]; - $if =~ s/^\s+//; - push @result, $if; - } - - return @result; -} - #=== FUNCTION ================================================================ # NAME: get_mac # PARAMETERS: interface name (i.e. eth0) @@ -334,61 +318,6 @@ sub get_mac { } -#=== FUNCTION ================================================================ -# NAME: get_interface_for_ip -# PARAMETERS: ip address (i.e. 192.168.0.1) -# RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else -# DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces. -#=============================================================================== -sub get_interface_for_ip { - my $result; - my $ip= shift; - if ($ip && length($ip) > 0) { - my @ifs= &get_interfaces(); - if($ip eq "0.0.0.0") { - $result = "all"; - } else { - foreach (@ifs) { - my $if=$_; - if(get_ip($if) eq $ip) { - $result = $if; - last; - } - } - } - } - return $result; -} - - -#=== FUNCTION ================================================================ -# NAME: get_ip -# PARAMETERS: interface name (i.e. eth0) -# RETURNS: (ip address) -# DESCRIPTION: Uses ioctl to get ip address directly from system. -#=============================================================================== -sub get_ip { - my $ifreq= shift; - my $result= ""; - my $SIOCGIFADDR= 0x8915; # man 2 ioctl_list - my $proto= getprotobyname('ip'); - - socket SOCKET, PF_INET, SOCK_DGRAM, $proto - or die "socket: $!"; - - if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) { - my ($if, $sin) = unpack 'a16 a16', $ifreq; - my ($port, $addr) = sockaddr_in $sin; - my $ip = inet_ntoa $addr; - - if ($ip && length($ip) > 0) { - $result = $ip; - } - } - - return $result; -} - #=== FUNCTION ================================================================ # NAME: get_local_mac_for_remote_ip @@ -401,6 +330,14 @@ sub get_local_mac_for_remote_ip { my $server_ip= shift; my $result= "00:00:00:00:00:00"; + if($server_ip =~ /^[a-z][a-z0-9\.]+/i) { + my $ip_address = inet_ntoa(scalar gethostbyname($server_ip)); + if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) { + # Write ip address to $server_ip variable + $server_ip = $ip_address; + } + } + if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) { my $PROC_NET_ROUTE= ('/proc/net/route'); @@ -434,67 +371,22 @@ sub get_local_mac_for_remote_ip { return $result; } -sub get_local_ip_for_remote_ip { - my $server_ip= shift; - my $result="0.0.0.0"; - - if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) { - if($server_ip eq "127.0.0.1") { - $result="127.0.0.1"; - } else { - my $PROC_NET_ROUTE= ('/proc/net/route'); - - open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE") - or die "Could not open $PROC_NET_ROUTE"; - - my @ifs = ; - - close(PROC_NET_ROUTE); - - # Eat header line - shift @ifs; - chomp @ifs; - foreach my $line(@ifs) { - my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line); - my $destination; - my $mask; - my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination); - $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d)); - ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask); - $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d)); - if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) { - # destination matches route, save mac and exit - $result= &get_ip($Iface); - last; - } - } - } - } else { - daemon_log("get_local_ip_for_remote_ip was called with a non-ip parameter: $server_ip", 1); - } - return $result; -} - sub generate_hw_digest { my $hw_data; foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) { $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/; } + # linux-vserver has no /proc/bus/pci/devices + if ( !$hw_data ) { + foreach my $line (split /\n/, `ifconfig | grep HWaddr`) { + $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/; + } + } return(md5_base64($hw_data)); } -sub create_passwd { - my $new_passwd = ""; - for(my $i=0; $i<31; $i++) { - $new_passwd .= ("a".."z","A".."Z",0..9)[int(rand(62))] - } - - return $new_passwd; -} - - sub create_ciphering { my ($passwd) = @_; if((!defined($passwd)) || length($passwd)==0) { @@ -536,44 +428,6 @@ sub decrypt_msg { } -sub get_server_addresses { - my $domain= shift; - my @result; - - my $error = 0; - my $res = Net::DNS::Resolver->new; - my $query = $res->send("_gosa-si._tcp.".$domain, "SRV"); - my @hits; - - if ($query) { - foreach my $rr ($query->answer) { - push(@hits, $rr->target.":".$rr->port); - } - } - else { - #warn "query failed: ", $res->errorstring, "\n"; - $error++; - } - - if( $error == 0 ) { - foreach my $hit (@hits) { - my ($hit_name, $hit_port) = split(/:/, $hit); - chomp($hit_name); - chomp($hit_port); - - my $address_query = $res->send($hit_name); - if( 1 == length($address_query->answer) ) { - foreach my $rr ($address_query->answer) { - push(@result, $rr->address.":".$hit_port); - } - } - } - } - - return @result; -} - - #=== FUNCTION ================================================================ # NAME: send_msg_hash_to_target # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash @@ -596,12 +450,12 @@ sub send_msg_to_target { my ($msg, $address, $encrypt_key, $msg_header) = @_ ; my $error = 0; - if( $msg_header ) { - $msg_header = "'$msg_header'-"; - } - else { - $msg_header = ""; - } + if( $msg_header ) { $msg_header = "'$msg_header'-"; } + else { $msg_header = ""; } + + # Memorize own source address + $msg =~ /(\S+)<\/source>/; + my $own_source_address = $1; # encrypt xml msg my $crypted_msg = &encrypt_msg($msg, $encrypt_key); @@ -609,17 +463,21 @@ sub send_msg_to_target { # opensocket my $socket = &open_socket($address); if( !$socket ) { - daemon_log("cannot send ".$msg_header."msg to $address , host not reachable", 1); + daemon_log("WARNING: cannot send ".$msg_header."msg to '$address', host not reachable", 3); + if ($REGISTERED == 1) { + $REGISTERED = 0; # if server is not available, cause reregistering + daemon_log("INFO: cause reregistering at gosa-si-server", 5); + $global_kernel->yield('register_at_gosa_si_server'); + + } $error++; } + # send xml msg if( $error == 0 ) { - # send xml msg - print $socket $crypted_msg."\n"; - - daemon_log("send ".$msg_header."msg to $address", 1); - daemon_log("message:\n$msg", 8); - + print $socket $crypted_msg.";$own_source_address\n"; + daemon_log("INFO: send ".$msg_header."msg to $address", 5); + daemon_log("DEBUG: message:\n$msg", 9); } # close socket in any case @@ -648,9 +506,10 @@ sub write_to_file { chomp($string); - open(FILE, ">> $file"); - print FILE $string."\n"; - close(FILE); + if (open(FILE, ">> $file")){ + print FILE $string."\n"; + close(FILE); + } } return; @@ -671,7 +530,7 @@ sub open_socket { if(not defined $socket) { return; } - &daemon_log("open_socket: $PeerAddr", 7); + &daemon_log("DEBUG: open_socket: $PeerAddr", 7); return $socket; } @@ -685,74 +544,112 @@ sub open_socket { sub register_at_gosa_si_server { my ($kernel) = $_[KERNEL]; my $try_to_register = 0; + + # if client is already registered, stop registration process + if ($REGISTERED) { + $kernel->delay('register_at_gosa_si_server'); - if( not $REGISTERED ) { - # create new passwd and ciphering object for client-server communication - $server_key = &create_passwd(); - - my $events = join( ",", keys %{$event_hash} ); - while(1) { - - if( $try_to_register >= @servers ) { - last; - } - - # fetch first gosa-si-server from @servers - my $server = shift(@servers); - - # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if - # a registration never occured - push( @servers, $server ); - - # Check if our ip is resolvable - if not: don't try to register - my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); - my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET); - if(!defined($dnsname)) { - &write_to_file("goto-error-dns:$ip", $fai_logpath); - exit(1); - } - - # create registration msg - my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); - my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); - my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server); - &add_content2xml_hash($register_hash, "new_passwd", $server_key); - &add_content2xml_hash($register_hash, "mac_address", $local_mac); - &add_content2xml_hash($register_hash, "events", $events); - &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum); - - # send xml hash to server with general server passwd - my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key); - if($res == 0) { - # reset try_to_register - $try_to_register = 0; - - # Set fixed client address and mac address - $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); - $client_address= "$client_ip:$client_port"; - $client_mac_address = $local_mac; - $client_dnsname = $dnsname; - - last; - } else { - $try_to_register++; - - # wait 1 sec until trying to register again - sleep(1); - next; - } - } + # client is not registered, start registration process + } else { + # clear all other triggered events and wait till registration was successful + $kernel->delay('trigger_new_key'); + + # create new passwd and ciphering object for client-server communication + $server_key = &create_passwd(); + + my $events = join( ",", keys %{$event_hash} ); + while(1) { + $try_to_register++; + + # after one complete round through all server, stop trying to register + if( $try_to_register > @servers ) { last; } + + # fetch first gosa-si-server from @servers + # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if + # a registration never occured + my $server = shift(@servers); + push( @servers, $server ); + + # Check if our ip is resolvable - if not: don't try to register + if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) { + &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1); + if (length(@servers) == 1) { + &main::daemon_log("ERROR: No valid servers found!", 1); + exit(1); + } + } + + # Check if our ip is resolvable - if not: don't try to register + my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); + my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET); + if(!defined($dnsname)) { + if( defined($client_force_hostname) && $client_force_hostname eq "true") { + $dnsname = `hostname`; + } else { + &write_to_file("goto-error-dns:$ip", $fai_logpath); + &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1); + exit(1); + } + } + + # create registration msg + my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); + my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); + my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server); + &add_content2xml_hash($register_hash, "new_passwd", $server_key); + &add_content2xml_hash($register_hash, "mac_address", $local_mac); + &add_content2xml_hash($register_hash, "events", $events); + &add_content2xml_hash($register_hash, "client_status", $client_status); + &add_content2xml_hash($register_hash, "client_revision", $client_revision); + &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum); + &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime); + + # Add $HOSTNAME from ENV if force-hostname is set + if( defined($client_force_hostname) && $client_force_hostname eq "true") { + if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) { + &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME}); + } else { + &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0); + } + } + + # send xml hash to server with general server passwd + my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key); + + # if delivery of registration msg succeed + if($res eq "0") { + # reset try_to_register + $try_to_register = 0; + + # Set fixed client address and mac address + $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); + $client_address= "$client_ip:$client_port"; + $client_mac_address = $local_mac; + $client_dnsname = $dnsname; + last; + + # delivery of registration msg failed + } else { + # wait 1 sec until trying to register again + sleep(1); + next; + } + + } # end of while + # one circle through all servers finished and no registration succeed + if ( $try_to_register >= @servers ) { + &write_to_file("gosa-si-no-server-available", $fai_logpath); + $kernel->delay_set('register_at_gosa_si_server', $delay_set_time); + + # delivery of registraion msg succeed, waiting for server response + } else { + daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5); + $kernel->delay_set('register_at_gosa_si_server', $delay_set_time); + # clear old settings and set it again + $kernel->delay('trigger_new_key'); + $kernel->delay_set('trigger_new_key', $server_key_lifetime); + } - if( $try_to_register >= @servers ) { - &write_to_file("gosa-si-no-server-available", $fai_logpath); - $kernel->delay_set('register_at_gosa_si_server', $delay_set_time); - } - else { - daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5); - $kernel->delay_set('register_at_gosa_si_server', $delay_set_time); - # clear old settings and set it again - $kernel->delay_set('trigger_new_key', $server_key_lifetime); - } } return; } @@ -765,7 +662,7 @@ sub check_key_and_xml_validity { my $msg_hash; eval{ $msg = &decrypt_msg($crypted_msg, $module_key); - &main::daemon_log("decrypted_msg: \n$msg", 8); + &main::daemon_log("decrypted_msg: \n$msg", 9); $msg_hash = $xml->XMLin($msg, ForceArray=>1); @@ -876,57 +773,113 @@ sub check_outgoing_xml_validity { } -sub import_events { +sub trigger_new_key { + my ($kernel) = $_[KERNEL] ; - if (not -e $event_dir) { - daemon_log("ERROR: cannot find directory or directory is not readable: $event_dir", 1); - } - opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n"; + my $msg = "
new_key
$client_address$client_address"; + &send_msg_to_target($msg, $client_address, $server_key, 'new_key'); - while (defined (my $event = readdir (DIR))) { - if( $event eq "." || $event eq ".." ) { next; } + $kernel->delay_set('trigger_new_key', $server_key_lifetime); +} - eval{ require $event; }; - if( $@ ) { - daemon_log("ERROR: import of event module '$event' failed", 1); - daemon_log("$@", 8); - next; - } - $event =~ /(\S*?).pm$/; - my $event_module = $1; - my $events_l = eval( $1."::get_events()") ; - foreach my $event_name (@{$events_l}) { - $event_hash->{$event_name} = $event_module; - } +sub trigger_logged_in_users_report { + my ($kernel) = $_[KERNEL] ; + # just do if client is registered already + if( $REGISTERED ) { + my $result = qx(/usr/bin/users); + my @logged_in_user_list; + if( defined $result ) { + chomp($result); + @logged_in_user_list = split(/\s/, $result); + } + + system("echo 'CURRENTLY_LOGGED_IN ".join(" ", @logged_in_user_list)."' > /var/run/gosa-si-client.socket"); + $kernel->delay_set('trigger_logged_in_users_report', $trigger_logged_in_users_report_delay); + } else { + # try it in 10 sec again + $kernel->delay_set('trigger_logged_in_users_report', 10); } - - my @all_events = keys %$event_hash; - my $all_events_string = join(", ", @all_events); - - daemon_log("INFO: imported events: $all_events_string", 5); } -sub trigger_new_key { - my ($kernel) = $_[KERNEL] ; - - my $msg = "
new_key
$client_address$client_address"; - &send_msg_to_target($msg, $client_address, $server_key, 'new_key'); +sub trigger_set_terminal_server +{ + # Function is defined in load_reporter.pm + if (exists $event_hash->{set_terminal_server}) + { + no strict 'refs'; + &{$event_hash->{set_terminal_server}."::set_terminal_server"}; + } + else + { + &daemon_log("0 ERROR: load_reporter.pm needs function set_terminal_server to write terminal server load information to client. Processing aborted!", 1); + } + return; +} - $kernel->delay_set('trigger_new_key', $server_key_lifetime); +sub trigger_seen_messages { + my ($kernel) = $_[KERNEL] ; + + # Select all files under /tmp with prefix 'goto_notify' + my $goto_dir = "/tmp"; + opendir(DIR, $goto_dir); + my @goto_files = grep { /.+\.goto_notify$/ && -f "$goto_dir/$_" } readdir(DIR); + closedir DIR; + + # Check if file has 'seen' tag + foreach my $goto_file (@goto_files) { + open(FILE, "$goto_dir/$goto_file"); + my @lines = ; + close FILE; + + my $source; + my $target; + my $usr; + my $subject; + my $message; + my $seen = 0; + chomp(@lines); + foreach my $line (@lines) { + if ($line =~ /^source:([\S\s]*)$/) { + $source = $1 + } + if ($line =~ /^target:([\S\s]*)$/) { + $target = $1; + } + if ($line =~ /^usr:([\S\s]*)$/) { + $usr = $1; + } + if ($line =~ /^subject:([\S\s]*)$/) { + $subject = $1; + } + if ($line =~ /^message:([\S\s]*)$/) { + $message = $1; + } + if ($line =~ /^seen$/) { + $seen++; + } + } -} + # Send 'confirm_usr_msg' back to msg-hosting server + if ($seen) { + my %data = ('usr'=>$usr, 'subject'=>$subject, 'message'=>$message); + my $confirm_msg = &build_msg("confirm_usr_msg", $target, $source, \%data); + my $send_error = &send_msg_to_target($confirm_msg, $server_address, $server_key); + # Delete file + if (not $send_error) { + system("rm $goto_dir/$goto_file"); + } + } + } -sub generic_file_reset { - my ( $heap, $wheel_id ) = @_[ HEAP, ARG0 ]; + $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay); - my $service = $heap->{services}->{$wheel_id}; - daemon_log("INFO: '$service' watching reset", 5); return; } + sub generic_file_error { my ( $heap, $operation, $errno, $error_string, $wheel_id ) = @_[ HEAP, ARG0, ARG1, ARG2, ARG3 ]; @@ -940,10 +893,12 @@ sub generic_file_error { return; } -sub fifo_got_record { + +sub fai_fifo_got_record { my $file_record = $_[ARG0]; my $header; my $content = ""; + daemon_log("DEBUG: fifo got record: $file_record", 7); $file_record =~ /^(\S+)[ ]?([\s\S]+)?$/; if( defined $1 ) { @@ -958,43 +913,174 @@ sub fifo_got_record { my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content); &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address); + my $utc_ts = &main::get_utc_time(); + &add_content2xml_hash($clmsg_hash, "timestamp", $utc_ts); my $clmsg = &create_xml_string($clmsg_hash); - &send_msg_to_target($clmsg, $server_address, $server_key); + &send_msg_to_target($clmsg, $server_address, $server_key, "CLMSG_$header"); + + # if installation finished, save all log files + if ($file_record eq "TASKBEGIN finish") { + &save_fai_log($fai_log_dir); + } + return; } +sub system_fifo_got_record { + my ($kernel, $socket_com_record) = @_[KERNEL, ARG0]; + $socket_com_record =~ /^(\S+)\s?([\s\S]*)$/; + my $function = $1; + my $content = $2; + + if( exists $event_hash->{$function} ) + { + # a event exists with the header as name + daemon_log("INFO: found event '$function' at event-module '".$event_hash->{$function}."'", 5); + no strict 'refs'; + my $answer = &{$event_hash->{$function}."::$function"}($content, $kernel); + &post_processing_and_sending($answer) + } + else + { + daemon_log("ERROR: Got input '$socket_com_record' from socket '$system_com_fifo'", 1); + daemon_log("ERROR: No event '$function' found in event modules under '$event_dir'.", 1); + } + +# # Sanity check of fifo record +# +# # Create record message +# my $lr_msg_hash = &create_xml_hash("load_report", $client_address, $server_address, $file_record); +# &add_content2xml_hash($lr_msg_hash, "macaddress", $client_mac_address); +# my $utc_ts = &main::get_utc_time(); +# &add_content2xml_hash($lr_msg_hash, "timestamp", $utc_ts); +# my $lr_msg = &create_xml_string($lr_msg_hash); +# +# # Report message to si-server +# &send_msg_to_target($lr_msg, $server_address, $server_key, "load_report"); + + return; +} + + +sub save_fai_log { + my ($fai_log_dir) = @_ ; + my $FAI_DIR; + + # Directory for log files after a softupdate + my $log_dir = File::Spec->catdir($fai_log_dir, "localhost/last"); + + if (not -d $log_dir) { + # Directory for log files after a new installation + $log_dir = "/tmp/fai"; + if (not -d $log_dir) { + daemon_log("ERROR: cannot open directory $log_dir", 1); + return; + } + } + + opendir($FAI_DIR, "$log_dir"); + my @log_files = readdir($FAI_DIR); + closedir($FAI_DIR); + + my @log_list; + foreach my $log_file (@log_files) { + if( $log_file eq "." || $log_file eq ".." ) { next; } + + my $log = "log_file:$log_file:"; + $log_file = File::Spec->catfile( $log_dir, $log_file ); + + if (not -f $log_file) { + daemon_log("ERROR: cannot read $log_file", 1); + next; + } + + open(FILE, "<$log_file"); + my @lines = ; + close (FILE); + my $log_string = join("", @lines); + $log .= &encode_base64($log_string); + push(@log_list, $log); + } + + my $all_log_string = join("\n", @log_list); + my $msg_hash = &create_xml_hash("CLMSG_save_fai_log", $client_address, $server_address, $all_log_string); + &add_content2xml_hash($msg_hash, "macaddress", $client_mac_address); + my $msg = &create_xml_string($msg_hash); + &send_msg_to_target($msg, $server_address, $server_key, "CLMSG_save_fai_log"); + +} + + +sub sig_handler { + my ($kernel, $signal) = @_[KERNEL, ARG0] ; + daemon_log("0 INFO got signal '$signal'", 1); + $kernel->sig_handled(); + return; +} + + sub _start { my ($kernel, $heap) = @_[KERNEL, HEAP]; $kernel->alias_set('client_session'); - + $global_kernel = $kernel; # this is used to throw events at each point of the skript + + $kernel->sig(USR1 => "sig_handler"); + # force a registration at a gosa-si-server $kernel->yield('register_at_gosa_si_server'); # install all file watcher defined - while( my($file_name, $file) = each %files_to_watch ) { - my $file_watcher = POE::Wheel::FollowTail->new( + while( my($name, $file) = each %files_to_watch ) { + my $watcher = POE::Wheel::FollowTail->new( Filename => $file, - InputEvent => $file_name."_record", - ResetEvent => "file_reset", + InputEvent => $name."_record", ErrorEvent => "file_error", ); - $heap->{services}->{ $file_watcher->ID } = $file_name; - $heap->{watchers}->{ $file_watcher->ID } = $file_watcher; + $heap->{services}->{ $watcher->ID } = $name; + $heap->{watchers}->{ $watcher->ID } = $watcher; } + $kernel->yield('trigger_logged_in_users_report'); + $kernel->yield('trigger_seen_messages'); +} + + +sub _default { + daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1); + return; } sub server_input { my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1]; + my $remote_ip = $heap->{'remote_ip'}, my $error = 0; my $answer; - daemon_log("Incoming msg:\n$input\n", 8); + daemon_log("INFO: Incoming msg from '$remote_ip'", 5); + daemon_log("DEBUG: Incoming msg:\n$input\n", 9); + + # Cut of ip and port from msgs tail + my ($encrypted_msg, $msg_source) = split(/;/, $input); - my ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key); + my ($msg, $msg_hash) = &check_key_and_xml_validity($encrypted_msg, $server_key); if( (!$msg) || (!$msg_hash) ) { - daemon_log("Deciphering of incoming msg failed", 5); + daemon_log("WARNING: Deciphering of incoming msg failed", 3); + if($server_address =~ /$remote_ip/) { + # got a msg from gosa-si-server which can not be decrypted, may the secrete not up-to-date + # cause a reregistering with a new secrete handshake + daemon_log("WARNING: Message from gosa-si-server could not be understood, cause reregistering at server", 3); + + # if client is alread in a registration process, that means not registered, do nothing + # if not, cause re-registration +# TODO : This if-else can cause a registration deadlock. Currently I can not reproduce the deadlock and don't have a clue what is the reason for the deadlock + if (not $REGISTERED) { + &daemon_log("WARNING: gosa-si-client is already in a registration process so ignore this message", 3); + } else { + $REGISTERED = 0; + $kernel->post('client_session', 'register_at_gosa_si_server'); + } + } $error++; } @@ -1006,47 +1092,60 @@ sub server_input { my $source = @{$msg_hash->{source}}[0]; if( exists $event_hash->{$header} ) { + # a event exists with the header as name - daemon_log("found event '$header' at event-module '".$event_hash->{$header}."'", 5); + daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5); no strict 'refs'; $answer = &{$event_hash->{$header}."::$header"}($msg, $msg_hash); } else { - daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 1); + daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 3); } } ######## # answer - if( $answer ) { + &post_processing_and_sending($answer); - #check gosa-si envelope validity - my $answer_hash = &check_outgoing_xml_validity($answer); + return; +} - if( $answer_hash ) { - # answer is valid +sub post_processing_and_sending +{ + my ($answer) = @_ ; - # preprocessing - if( $answer =~ "
registered
") { - # set registered flag to true to stop sending further registered msgs - $REGISTERED = 1; - } - else { - &send_msg_to_target($answer, $server_address, $server_key); - } + # Do nothing if answer does not exists + if (not defined $answer) { return; } - # postprocessing - if( $answer =~ "
new_key
") { - # set new key to global variable - $answer =~ /(\S*?)<\/new_key>/; - my $new_key = $1; - $server_key = $new_key; - } - } + # Check gosa-si envelope validity + my $answer_hash = &check_outgoing_xml_validity($answer); - } + if( $answer_hash ) + { + # Answer is valid + # Pre-sending + if( $answer =~ "
registered
") + { + # Set registered flag to true to stop sending further registered msgs + $REGISTERED = 1; + } + else + { + $answer =~ /
(\S+)<\/header>/; + &send_msg_to_target($answer, $server_address, $server_key, $1); + } - return; + # Post-sending + if( $answer =~ "
new_key
") + { + # Set new key to global variable + $answer =~ /(\S*?)<\/new_key>/; + my $new_key = $1; + $server_key = $new_key; + } + } + + return; } @@ -1067,9 +1166,9 @@ GetOptions("h|help" => \&usage, # forward error messages to logfile if ( ! $foreground ) { - open STDIN, '/dev/null' or die "Can’t read /dev/null: $!"; - open STDOUT, '>>/dev/null' or die "Can't write to /dev/null: $!"; - open STDERR, '>>/dev/null' or die "Can't write to /dev/null: $!"; + open( STDIN, '+>/dev/null' ); + open( STDOUT, '+>&STDIN' ); + open( STDERR, '+>&STDIN' ); } # Just fork, if we are not in foreground mode @@ -1078,8 +1177,7 @@ if( ! $foreground ) { $pid = fork; setsid or die "Can't start a new session: $!"; umask 0; -} -else { +} else { $pid = $$; } @@ -1093,8 +1191,29 @@ if( 0 != $pid ) { }; } +# parse head url and revision from svn +my $client_status_hash = { 'developmental'=>'revision', 'stable'=>'release'}; +$client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/; +$client_headURL = defined $1 ? $1 : 'unknown' ; +$client_revision = defined $2 ? $2 : 'unknown' ; +if ($client_headURL =~ /\/tag\// || + $client_headURL =~ /\/branches\// ) { + $client_status = "stable"; +} else { + $client_status = "developmental" ; +} + +# Determine root uid and adm gid, used for creating log files +$root_uid = getpwnam('root'); +$adm_gid = getgrnam('adm'); +if(not defined $adm_gid){ + $adm_gid = getgrnam('root'); +} + daemon_log(" ", 1); daemon_log("$prg started!", 1); +daemon_log("INFO: status: $client_status", 1); +daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1); # delete old DBsqlite lock files system('rm -f /tmp/gosa_si_lock*gosa-si-client*'); @@ -1103,17 +1222,30 @@ system('rm -f /tmp/gosa_si_lock*gosa-si-client*'); $client_address = $client_ip.":".$client_port; my $network_interface= &get_interface_for_ip($client_ip); $client_mac_address= &get_mac($network_interface); -daemon_log("gosa-si-client ip address detected: $client_ip", 1); -daemon_log("gosa-si-client mac address detected: $client_mac_address", 1); +daemon_log("INFO: ip address detected: $client_ip", 1); +daemon_log("INFO: gosa-si-client mac address detected: $client_mac_address", 1); # import events -&import_events(); +my ($error, $result, $tmp_hash) = &import_events($event_dir); +while (my ($module, $mod_event_hash) = each %$tmp_hash) { + while (my ($event_name, $nothing) = each %$mod_event_hash) { + $event_hash->{$event_name} = $module; + } +} + +foreach my $log_line (@$result) { + if ($log_line =~ / succeed: /) { + &main::daemon_log("0 DEBUG: $log_line", 7); + } else { + &main::daemon_log("0 ERROR: $log_line", 1); + } +} # compute hardware checksum $gotoHardwareChecksum= &generate_hw_digest(); -daemon_log("gosa-si-client gotoHardwareChecksum detected: $gotoHardwareChecksum", 1); +daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1); # create socket for incoming xml messages @@ -1122,43 +1254,46 @@ POE::Component::Server::TCP->new( Port => $client_port, ClientInput => \&server_input, ); -daemon_log("start socket for incoming xml messages at port '$client_port' ", 1); +daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1); # prepare variables if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); } -############################################################ -# to change -if( $server_ip eq "127.0.1.1" ) { $server_ip = "127.0.0.1" } -############################################################ if (defined $server_ip && defined $server_port) { $server_address = $server_ip.":".$server_port; } $xml = new XML::Simple(); $default_server_key = $server_key; - # add gosa-si-server address from config file at first position of server list my $server_check_cfg = Config::IniFiles->new( -file => $cfg_file ); -my $server_check = $server_check_cfg->val( "server", "ip"); +my $server_check = (defined($server_check_cfg))?$server_check_cfg->val( "server", "ip"):undef; if( defined $server_check ) { unshift(@servers, $server_address); my $servers_string = join(", ", @servers); - daemon_log("INFO: found servers in configuration file: $servers_string", 5); + daemon_log("INFO: found servers in configuration file: $servers_string", 1); } else { my @tmp_servers; if ( !$server_domain) { # Try our DNS Searchlist - for my $domain(get_dns_domains()) { + my @domain_list = &get_dns_domains(); + my $tmp_domains; + my $error_string; + for my $domain (@domain_list) { chomp($domain); - my @tmp_domains= &get_server_addresses($domain); - if(@tmp_domains) { - for my $tmp_server(@tmp_domains) { + ($tmp_domains, $error_string) = &get_server_addresses($domain); + if(@$tmp_domains) { + for my $tmp_server(@$tmp_domains) { push @tmp_servers, $tmp_server; } } } - if(@tmp_servers && length(@tmp_servers)==0) { + if (0 == @tmp_servers) { + my $log_string = "no gosa-si-server found in DNS for domain: ".join(", ", @domain_list) if (@domain_list); + my $log_string2 = "server addresses in domain: ".join(", ",@$tmp_domains) if (defined($tmp_domains)); + daemon_log("ERROR: $log_string", 1) if (defined($log_string)); + daemon_log("ERROR: $log_string2", 1) if (defined($log_string2)); + daemon_log("ERROR: $error_string", 1) if (defined($error_string)); daemon_log("ERROR: please specify a gosa-si-server address or a domain in config file", 1); kill 2, $$; } @@ -1171,26 +1306,43 @@ if( defined $server_check ) { } } - foreach my $server (@tmp_servers) { - unshift(@servers, $server); - } - my $servers_string = join(", ", @servers); - daemon_log("INFO: found servers in DNS: $servers_string", 5); + foreach my $server (@tmp_servers) { + unshift(@servers, $server); + } + my $servers_string = join(", ", @servers); + daemon_log("INFO: found servers in DNS: $servers_string", 1); } -# open fifo for non-gosa-si-client-msgs to gosa-si-server -POSIX::mkfifo("$gosa_si_client_fifo", "0600"); +# Open a new fifo for FAI messages to gosa-si-server +if (-p $fai_com_fifo) { unlink $fai_com_fifo } +POSIX::mkfifo("$fai_com_fifo", 0600); +# Open a new fifo for system communication, +if (-p $system_com_fifo) { unlink $system_com_fifo } +if ($system_com eq "enabled") +{ + POSIX::mkfifo("$system_com_fifo", 0600); +} POE::Session->create( inline_states => { _start => \&_start, + _default => \&_default, + sig_handler => \&sig_handler, register_at_gosa_si_server => \®ister_at_gosa_si_server, + + # trigger periodical tasks trigger_new_key => \&trigger_new_key, + trigger_logged_in_users_report => \&trigger_logged_in_users_report, + trigger_seen_messages => \&trigger_seen_messages, + + # trigger non periodical tasks + trigger_set_terminal_server => \&trigger_set_terminal_server, # handle records from each defined file differently - fifo_record => \&fifo_got_record, + fai_fifo_record => \&fai_fifo_got_record, + system_fifo_record => \&system_fifo_got_record, # handle file resets and errors the same way for each file file_reset => \&generic_file_reset,