X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-si%2Fgosa-si-client;h=7330d128d4263c6fee1d3876f6a7651c02675705;hb=c14234ab8007a7112cbf34c1896b7d38fb948e6a;hp=128b2a16a2c16f69416f2ec3106b8b55ae83a438;hpb=d33f9e1ba76e60afc8482bd71d9b8bebb1f65dbd;p=gosa.git diff --git a/gosa-si/gosa-si-client b/gosa-si/gosa-si-client index 128b2a16a..7330d128d 100755 --- a/gosa-si/gosa-si-client +++ b/gosa-si/gosa-si-client @@ -25,7 +25,7 @@ use Config::IniFiles; use POSIX; use Time::HiRes qw( gettimeofday ); -use POE qw(Component::Server::TCP); +use POE qw(Component::Server::TCP Wheel::FollowTail Wheel::Run); use IO::Socket::INET; use NetAddr::IP; use Data::Dumper; @@ -35,48 +35,84 @@ use Digest::MD5 qw(md5_hex md5 md5_base64); use MIME::Base64; use XML::Simple; use Net::DNS; +use File::Basename; +use File::Spec; +# Workaround: need pure perl to make it work with UTF-8 :-( +$XML::Simple::PREFERRED_PARSER= "XML::SAX::PurePerl"; + +my $client_version = '$HeadURL$:$Rev$'; +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_file, %cfg_defaults, $foreground, $verbose, $pid_file, $procid, $pid, $log_file); -my ($server_ip, $server_port, $server_key, $server_timeout, $server_domain); +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 $xml; my $default_server_key; my $event_hash; my @servers; my $gotoHardwareChecksum; +my $gosa_si_client_fifo; +my %files_to_watch; +$verbose= 1; # globalise variables which are used in imported events our $cfg_file; +our $opts_file; our $server_address; our $client_address; +our $client_ip; +our $client_mac_address; +our $client_dnsname; +our $client_force_hostname; our $server_key; # default variables -our $REGISTERED_FLAG = 1; +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); + +# 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 = 10; +our $prg= basename($0); + +# all x seconds the client reports logged_in users to gosa-si-server +my $trigger_logged_in_users_report_delay = 600; + +# directory where all log files from installation are stored +my $fai_log_dir = "/tmp/fai"; %cfg_defaults = ( "general" => - {"log_file" => [\$log_file, "/var/run/".$0.".log"], - "pid_file" => [\$pid_file, "/var/run/".$0.".pid"], + {"log-file" => [\$log_file, "/var/run/".$prg.".log"], + "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"], + "opts-file" => [\$opts_file, "/var/run/".$prg.".opts"], }, "client" => - {"client_port" => [\$client_port, "20083"], - "client_ip" => [\$client_ip, "0.0.0.0"], - "client_mac_address" => [\$client_mac_address, "00:00:00:00:00:00:00"], - "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"], + {"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, ""], + "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"], + "force-hostname" => [\$client_force_hostname, "false"], }, -"server" => - {"server_ip" => [\$server_ip, "127.0.0.1"], - "server_port" => [\$server_port, "20081"], - "server_key" => [\$server_key, ""], - "server_timeout" => [\$server_timeout, 10], - "server_domain" => [\$server_domain, ""], +"server" => { + "ip" => [\$server_ip, "127.0.0.1"], + "port" => [\$server_port, "20081"], + "key" => [\$server_key, ""], + "timeout" => [\$server_timeout, 10], + "key-lifetime" => [\$server_key_lifetime, 600], }, ); @@ -118,7 +154,7 @@ sub check_cmdline_param () { sub read_configfile { my ($cfg_file, %cfg_defaults) = @_ ; my $cfg; - if( defined( $cfg_file) && ( length($cfg_file) > 0 )) { + if( defined( $cfg_file) && ( (-s $cfg_file) > 0 )) { if( -r $cfg_file ) { $cfg = Config::IniFiles->new( -file => $cfg_file ); } else { @@ -130,7 +166,7 @@ sub read_configfile { 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 ] ); + ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] ); } } } @@ -185,6 +221,15 @@ sub check_pid { } +sub sig_int_handler { + my ($signal) = @_; + + daemon_log("shutting down gosa-si-client", 1); + system("kill `ps -C gosa-si-client -o pid=`"); +} +$SIG{INT} = \&sig_int_handler; + + #=== FUNCTION ================================================================ # NAME: logging # PARAMETERS: level - string - default 'info' @@ -214,10 +259,8 @@ sub daemon_log { $month = $monthnames[$month]; $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday; $year+=1900; - my $name = $0; - $name =~ s/\.\///; - my $log_msg = "$month $monthday $hours:$minutes:$seconds $name $msg\n"; + my $log_msg = "$month $monthday $hours:$minutes:$seconds $prg $msg\n"; print LOG_HANDLE $log_msg; if( $foreground ) { print STDERR $log_msg; @@ -225,15 +268,6 @@ sub daemon_log { } close( LOG_HANDLE ); } -#log into syslog -# my ($msg, $level, $facility) = @_; -# if(not defined $msg) {return} -# if(not defined $level) {$level = "info"} -# if(not defined $facility) {$facility = "LOG_DAEMON"} -# openlog($0, "pid,cons,", $facility); -# syslog($level, $msg); -# closelog; -# return; } @@ -282,7 +316,7 @@ sub get_mac { if(defined($server_ip)) { $result = &get_local_mac_for_remote_ip($server_ip); } - elsif ($client_mac_address && length($client_mac_address) > 0){ + elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){ $result = &client_mac_address; } else { @@ -292,7 +326,7 @@ sub get_mac { my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list # A configured MAC Address should always override a guessed value - if ($client_mac_address and length($client_mac_address) > 0) { + if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) { $result= $client_mac_address; } else { @@ -379,178 +413,81 @@ sub get_ip { # matches (defaultroute last). #=============================================================================== sub get_local_mac_for_remote_ip { - my $ifreq= shift; - my $result= "00:00:00:00:00:00"; - 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 - $result= &get_mac($Iface); - last; - } - } - - - return $result; + my $server_ip= shift; + my $result= "00:00:00:00:00:00"; + + if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) { + 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 + $result= &get_mac($Iface); + last; + } + } + } else { + daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1); + } + return $result; } +sub get_local_ip_for_remote_ip { + my $server_ip= shift; + my $result="0.0.0.0"; -sub new_ldap_config { - my ($msg_hash) = @_ ; - my $element; - my @ldap_uris; - my $ldap_base; - my @ldap_options; - my @pam_options; - my @nss_options; - my $goto_admin; - my $goto_secret; - my $admin_base= ""; - my $department= ""; - my $unit_tag; - - # Transform input into array - while ( my ($key, $value) = each(%$msg_hash) ) { - if ($key =~ /^(source|target|header)$/) { - next; - } - - foreach $element (@$value) { - if ($key =~ /^ldap_uri$/) { - push (@ldap_uris, $element); - next; - } - if ($key =~ /^ldap_base$/) { - $ldap_base= $element; - next; - } - if ($key =~ /^goto_admin$/) { - $goto_admin= $element; - next; - } - if ($key =~ /^goto_secret$/) { - $goto_secret= $element; - next; - } - if ($key =~ /^ldap_cfg$/) { - push (@ldap_options, "$element"); - next; - } - if ($key =~ /^pam_cfg$/) { - push (@pam_options, "$element"); - next; - } - if ($key =~ /^nss_cfg$/) { - push (@nss_options, "$element"); - next; - } - if ($key =~ /^admin_base$/) { - $admin_base= $element; - next; - } - if ($key =~ /^department$/) { - $department= $element; - next; - } - if ($key =~ /^unit_tag$/) { - $unit_tag= $element; - next; + if($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); } - } - - # Unit tagging enabled? - if (defined $unit_tag){ - push (@pam_options, "pam_filter gosaUnitTag=$unit_tag"); - push (@nss_options, "nss_base_passwd $admin_base?sub?gosaUnitTag=$unit_tag"); - push (@nss_options, "nss_base_group $admin_base?sub?gosaUnitTag=$unit_tag"); - } - - # Setup ldap.conf - my $file1; - my $file2; - open(file1, "> $ldap_config"); - print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n"; - print file1 "URI"; - foreach $element (@ldap_uris) { - print file1 " $element"; - } - print file1 "\nBASE $ldap_base\n"; - foreach $element (@ldap_options) { - print file1 "$element\n"; - } - close (file1); - daemon_log("wrote $ldap_config", 5); - - # Setup pam_ldap.conf / libnss_ldap.conf - open(file1, "> $pam_config"); - open(file2, "> $nss_config"); - print file1 "# This file was automatically generated by gosa-si-client. Do not change.\n"; - print file2 "# This file was automatically generated by gosa-si-client. Do not change.\n"; - print file1 "uri"; - print file2 "uri"; - foreach $element (@ldap_uris) { - print file1 " $element"; - print file2 " $element"; - } - print file1 "\nbase $ldap_base\n"; - print file2 "\nbase $ldap_base\n"; - foreach $element (@pam_options) { - print file1 "$element\n"; - } - foreach $element (@nss_options) { - print file2 "$element\n"; - } - close (file2); - daemon_log("wrote $nss_config", 5); - close (file1); - daemon_log("wrote $pam_config", 5); - - # Create goto.secrets if told so - for compatibility reasons - if (defined $goto_admin){ - open(file1, "> /etc/goto/secret"); - close(file1); - chown(0,0, "/etc/goto/secret"); - chmod(0600, "/etc/goto/secret"); - open(file1, "> /etc/goto/secret"); - print file1 "GOTOADMIN=\"$goto_admin\"\nGOTOSECRET=\"$goto_secret\"\n"; - close(file1); - daemon_log("wrote /etc/goto/secret", 5); - } - - - - # Write shell based config - my $cfg_name= dirname($ldap_config)."/ldap-shell.conf"; - open(file1, "> $cfg_name"); - print file1 "LDAP_BASE=\"$ldap_base\"\n"; - print file1 "ADMIN_BASE=\"$admin_base\"\n"; - print file1 "DEPARTMENT=\"$department\"\n"; - print file1 "UNIT_TAG=\"".(defined $unit_tag ? "$unit_tag" : "")."\"\n"; - print file1 "UNIT_TAG_FILTER=\"".(defined $unit_tag ? "(gosaUnitTag=$unit_tag)" : "")."\"\n"; - close(file1); - daemon_log("wrote $cfg_name", 5); - - return; - + return $result; } @@ -573,13 +510,54 @@ sub create_passwd { } +sub create_ciphering { + my ($passwd) = @_; + if((!defined($passwd)) || length($passwd)==0) { + $passwd = ""; + } + $passwd = substr(md5_hex("$passwd") x 32, 0, 32); + my $iv = substr(md5_hex('GONICUS GmbH'),0, 16); + my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC()); + $my_cipher->set_iv($iv); + return $my_cipher; +} + + +sub encrypt_msg { + my ($msg, $key) = @_; + my $my_cipher = &create_ciphering($key); + my $len; + { + use bytes; + $len= 16-length($msg)%16; + } + $msg = "\0"x($len).$msg; + $msg = $my_cipher->encrypt($msg); + chomp($msg = &encode_base64($msg)); + # there are no newlines allowed inside msg + $msg=~ s/\n//g; + return $msg; +} + + +sub decrypt_msg { + + my ($msg, $key) = @_ ; + $msg = &decode_base64($msg); + my $my_cipher = &create_ciphering($key); + $msg = $my_cipher->decrypt($msg); + $msg =~ s/\0*//g; + return $msg; +} + + sub get_server_addresses { my $domain= shift; my @result; my $error = 0; my $res = Net::DNS::Resolver->new; - my $query = $res->send("_gosad._tcp.".$domain, "SRV"); + my $query = $res->send("_gosa-si._tcp.".$domain, "SRV"); my @hits; if ($query) { @@ -595,6 +573,8 @@ sub get_server_addresses { 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) ) { @@ -605,126 +585,25 @@ sub get_server_addresses { } } -# my $dig_cmd= 'dig +nocomments srv _gosad._tcp.'.$domain; -# -# my $output= `$dig_cmd 2>&1`; -# open (PIPE, "$dig_cmd 2>&1 |"); -# while() { -# chomp $_; -# # If it's not a comment -# if($_ =~ m/^[^;]/) { -# my @matches= split /\s+/; -# -# # Push hostname with port -# if($matches[3] eq 'SRV') { -# push @result, $matches[7].':'.$matches[6]; -# } elsif ($matches[3] eq 'A') { -# my $i=0; -# -# # Substitute the hostname with the ip address of the matching A record -# foreach my $host (@result) { -# if ((split /\:/, $host)[0] eq $matches[0]) { -# $result[$i]= $matches[4].':'.(split /\:/, $host)[1]; -# } -# $i++; -# } -# } -# } -# } -# close(PIPE); return @result; } -##=== FUNCTION ================================================================ -## NAME: create_ciphering -## PARAMETERS: passwd - string - used to create ciphering -## RETURNS: cipher - object -## DESCRIPTION: creates a Crypt::Rijndael::MODE_CBC object with passwd as key -##=============================================================================== -#sub create_ciphering { -# my ($passwd) = @_; -# $passwd = substr(md5_hex("$passwd") x 32, 0, 32); -# my $iv = substr(md5_hex('GONICUS GmbH'),0, 16); -# -# #daemon_log("iv: $iv", 7); -# #daemon_log("key: $passwd", 7); -# my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC()); -# $my_cipher->set_iv($iv); -# return $my_cipher; -#} -# -# -#sub create_ciphering { -# my ($passwd) = @_; -# $passwd = substr(md5_hex("$passwd") x 32, 0, 32); -# my $iv = substr(md5_hex('GONICUS GmbH'),0, 16); -# my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC()); -# $my_cipher->set_iv($iv); -# return $my_cipher; -#} -# -# -#sub encrypt_msg { -# my ($msg, $key) = @_; -# my $my_cipher = &create_ciphering($key); -# { -# use bytes; -# $msg = "\0"x(16-length($msg)%16).$msg; -# } -# $msg = $my_cipher->encrypt($msg); -# chomp($msg = &encode_base64($msg)); -# # there are no newlines allowed inside msg -# $msg=~ s/\n//g; -# return $msg; -#} -# -# -#sub decrypt_msg { -# my ($msg, $key) = @_ ; -# $msg = &decode_base64($msg); -# my $my_cipher = &create_ciphering($key); -# $msg = $my_cipher->decrypt($msg); -# $msg =~ s/\0*//g; -# return $msg; -#} - - #=== FUNCTION ================================================================ -# NAME: send_msg_hash2address +# NAME: send_msg_hash_to_target # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash # PeerAddr string - socket address to send msg # PeerPort string - socket port, if not included in socket address # RETURNS: nothing # DESCRIPTION: ???? #=============================================================================== -sub send_msg_hash2address { - my ($msg_hash, $address, $passwd) = @_ ; - - # fetch header for logging - my $header = @{$msg_hash->{header}}[0]; - - # generate xml string - my $msg_xml = &create_xml_string($msg_hash); - - # encrypt xml msg - my $crypted_msg = &encrypt_msg($msg_xml, $passwd); - - # opensocket - my $socket = &open_socket($address); - if(not defined $socket){ - daemon_log("cannot send '$header'-msg to $address , server not reachable", 5); - return 1; - } +sub send_msg_hash_to_target { + my ($msg_hash, $address, $encrypt_key) = @_ ; + my $msg = &create_xml_string($msg_hash); + my $header = @{$msg_hash->{'header'}}[0]; + my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header); - # send xml msg - print $socket $crypted_msg."\n"; - - close $socket; - - daemon_log("send '$header'-msg to $address", 1); - daemon_log("message:\n$msg_xml", 8); - return 0; + return $error; } @@ -732,30 +611,28 @@ sub send_msg_to_target { my ($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 = ""; } # encrypt xml msg my $crypted_msg = &encrypt_msg($msg, $encrypt_key); + # xxxxxxxxxxxxxx + + + # opensocket my $socket = &open_socket($address); if( !$socket ) { - daemon_log("cannot send ".$msg_header."msg to $address , host not reachable", 1); + daemon_log("ERROR: cannot send ".$msg_header."msg to $address , host not reachable", 1); $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); - + daemon_log("INFO: send ".$msg_header."msg to $address", 5); + daemon_log("DEBUG: message:\n$msg", 8); } # close socket in any case @@ -763,7 +640,34 @@ sub send_msg_to_target { close $socket; } - return; + return $error; +} + + +sub write_to_file { + my ($string, $file) = @_; + my $error = 0; + + if( not defined $file || not -f $file ) { + &main::daemon_log("ERROR: $prg: check '-f file' failed: $file", 1); + $error++; + } + if( not defined $string || 0 == length($string)) { + &main::daemon_log("ERROR: $prg: empty string to write to file '$file'", 1); + $error++; + } + + if( $error == 0 ) { + + chomp($string); + + if (open(FILE, ">> $file")){ + print FILE $string."\n"; + close(FILE); + } + } + + return; } @@ -793,48 +697,106 @@ sub open_socket { # DESCRIPTION: #=============================================================================== sub register_at_gosa_si_server { - my ($kernel) = $_[KERNEL]; - - if( $REGISTERED_FLAG == 1 ) { - - # create new passwd and ciphering object for client-server communication - $server_key = &create_passwd(); - - my $events = join( ", ", keys %{$event_hash} ); - - while(1) { - - # fetch first gosa-si-server from @servers - my $server = shift(@servers); + my ($kernel) = $_[KERNEL]; + my $try_to_register = 0; + + # if client is already registered, stop registration process + if ($REGISTERED) { + $kernel->delay('register_at_gosa_si_server'); + + # 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) { + # 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, "client_status", $client_status); + &add_content2xml_hash($register_hash, "client_revision", $client_revision); + &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum); + + # 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", $ENV{HOSTNAME}); + } else { + &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0); + } + } - if( !$server ) { - daemon_log("no gosa-si-server left in list of servers", 1); - daemon_log("unable to register at a gosa-si-server, force shutdown", 1); - exit(1); - } + # send xml hash to server with general server passwd + my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key); + + if( $try_to_register >= @servers ) { last; } + + # if delivery of registration msg succeed + if($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; + + # delivery of registration msg failed + } else { + $try_to_register++; + # wait 1 sec until trying to register again + sleep(1); + next; + } - # create registration msg - my $register_hash = &create_xml_hash("here_i_am", $client_address, $server); - &add_content2xml_hash($register_hash, "new_passwd", $server_key); - &add_content2xml_hash($register_hash, "mac_address", $client_mac_address); - &add_content2xml_hash($register_hash, "events", $events); - &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum); + } # 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); + } - # send xml hash to server with general server passwd - my $res = &send_msg_hash2address($register_hash, $server, $default_server_key); - last; - } - daemon_log("waiting for msg 'register_at_gosa_si_server'",1); - $kernel->delay_set('register_at_gosa_si_server',2); - } - return; + } + return; } sub check_key_and_xml_validity { my ($crypted_msg, $module_key) = @_; -#print STDERR "crypted_msg:$crypted_msg\n"; -#print STDERR "modul_key:$module_key\n"; my $msg; my $msg_hash; @@ -844,6 +806,7 @@ sub check_key_and_xml_validity { $msg_hash = $xml->XMLin($msg, ForceArray=>1); + ############## # check header my $header_l = $msg_hash->{'header'}; if( 1 != @{$header_l} ) { @@ -854,36 +817,102 @@ sub check_key_and_xml_validity { die 'header has length 0'; } + ############## # check source my $source_l = $msg_hash->{'source'}; if( 1 != @{$source_l} ) { - die 'no or more sources specified'; + die 'no or more than 1 sources specified'; } my $source = @{$source_l}[0]; if( 0 == length $source) { die 'source has length 0'; } - - # check target + unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) { + die "source '$source' is neither a complete ip-address with port nor 'GOSA'"; + } + + ############## + # check target my $target_l = $msg_hash->{'target'}; if( 1 != @{$target_l} ) { - die 'no or more targets specified '; + die 'no or more than 1 targets specified '; } my $target = @{$target_l}[0]; if( 0 == length $target) { die 'target has length 0 '; } - + unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){ + die "source is neither a complete ip-address with port nor 'GOSA'"; + } }; if($@) { &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5); &main::daemon_log("$@", 8); + $msg = undef; + $msg_hash = undef; } return ($msg, $msg_hash); } +sub check_outgoing_xml_validity { + my ($msg) = @_; + + my $msg_hash; + eval{ + $msg_hash = $xml->XMLin($msg, ForceArray=>1); + + ############## + # check header + my $header_l = $msg_hash->{'header'}; + if( 1 != @{$header_l} ) { + die 'no or more than one headers specified'; + } + my $header = @{$header_l}[0]; + if( 0 == length $header) { + die 'header has length 0'; + } + + ############## + # check source + my $source_l = $msg_hash->{'source'}; + if( 1 != @{$source_l} ) { + die 'no or more than 1 sources specified'; + } + my $source = @{$source_l}[0]; + if( 0 == length $source) { + die 'source has length 0'; + } + unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ || + $source =~ /^GOSA$/i ) { + die "source '$source' is neither a complete ip-address with port"; + } + + ############## + # check target + my $target_l = $msg_hash->{'target'}; + if( 1 != @{$target_l} ) { + die "no or more than one targets specified"; + } + foreach my $target (@$target_l) { + if( 0 == length $target) { + die "target has length 0"; + } + unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) { + die "target '$target' is not a complete ip-address with port or a valid target name"; + } + } + }; + if($@) { + daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5); + daemon_log("$@ $msg", 8); + $msg_hash = undef; + } + return ($msg_hash); +} + + sub import_events { if (not -e $event_dir) { @@ -893,11 +922,11 @@ sub import_events { while (defined (my $event = readdir (DIR))) { if( $event eq "." || $event eq ".." ) { next; } - + daemon_log("INFO: found event module: $event", 5); eval{ require $event; }; if( $@ ) { - daemon_log("import of event module '$event' failed", 1); - daemon_log("$@", 8); + daemon_log("ERROR: import of event module '$event' failed", 1); + daemon_log("$@", 1); next; } @@ -909,22 +938,199 @@ sub import_events { } } + + my @all_events = keys %$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'); + + $kernel->delay_set('trigger_new_key', $server_key_lifetime); +} + + +sub trigger_logged_in_users_report { + my ($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); + } +} + + +#sub generic_file_reset { +# my ( $heap, $wheel_id ) = @_[ HEAP, ARG0 ]; +# +# 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 ]; + + my $service = $heap->{services}->{$wheel_id}; + daemon_log("ERROR: '$service' watcher $operation error $errno: $error_string", 1); + daemon_log("ERROR: shutting down '$service' file watcher", 1); + + delete $heap->{services}->{$wheel_id}; + delete $heap->{watchers}->{$wheel_id}; + return; +} + + +sub 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 ) { + $header = $1; + } else { + return; + } + + if( defined $2 ) { + $content = $2; + } + + my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content); + &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address); + my $clmsg = &create_xml_string($clmsg_hash); + &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 save_fai_log { + my ($fai_log_dir) = @_ ; + my $FAI_DIR; + + opendir($FAI_DIR, $fai_log_dir); + if (not defined $FAI_DIR) { + daemon_log("ERROR: can not open directory $fai_log_dir: $!", 1); + return; + } + + my @log_files = readdir($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( $fai_log_dir, $log_file ); + open(my $FILE, "<$log_file"); + if (not defined $FILE ) { + daemon_log("ERROR: can not open '$log_file': $!", 1); + next; + } + my @lines = <$FILE>; + my $log_string = join("", @lines); + $log .= &encode_base64($log_string); + push(@log_list, $log); + close ($FILE); + } + + 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, $server_key, "CLMSG_save_fai_log"); + +} + + +sub _start { + my ($kernel, $heap) = @_[KERNEL, HEAP]; + $kernel->alias_set('client_session'); + + # force a registration at a gosa-si-server + $kernel->yield('register_at_gosa_si_server'); + + # install all file watcher defined + while( my($name, $file) = each %files_to_watch ) { + my $watcher = POE::Wheel::FollowTail->new( + Filename => $file, + InputEvent => $name."_record", + # ResetEvent => "file_reset", + ErrorEvent => "file_error", + ); +# $heap->{tail} = POE::Wheel::Run->new( +# Program => [ "/usr/bin/tail", "-f", $file ], +# StdoutEvent => $file_name."_record", +# ); + $heap->{services}->{ $watcher->ID } = $name; + $heap->{watchers}->{ $watcher->ID } = $watcher; + } + $kernel->yield('trigger_logged_in_users_report'); +} + + +sub _default { + daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1); + return; } sub server_input { - my ($heap,$input,$wheel) = @_[HEAP, ARG0, ARG1]; + my ($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", 8); my ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key); if( (!$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 + 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++; } + ###################### # process incoming msg if( $error == 0 ) { @@ -932,27 +1138,52 @@ 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->{$header}."'", 5); + daemon_log("DEBUG: found event '$header' at event-module '".$event_hash->{$header}."'", 7); 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); + } } ######## # answer if( $answer ) { - if( $answer =~ "
registered
") { - $REGISTERED_FLAG = 0; - } - else { - &send_msg_to_address($answer, $server_address, $server_key); + + #check gosa-si envelope validity + my $answer_hash = &check_outgoing_xml_validity($answer); + + if( $answer_hash ) { + # answer is valid + + # preprocessing + 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); + } + + # postprocessing + if( $answer =~ "
new_key
") { + # set new key to global variable + $answer =~ /(\S*?)<\/new_key>/; + my $new_key = $1; + $server_key = $new_key; + } } + } return; } + #==== MAIN = main ============================================================== # parse commandline options Getopt::Long::Configure( "bundling" ); @@ -970,9 +1201,9 @@ 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 @@ -981,8 +1212,7 @@ if( ! $foreground ) { $pid = fork; setsid or die "Can't start a new session: $!"; umask 0; -} -else { +} else { $pid = $$; } @@ -996,18 +1226,28 @@ 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" ; +} + daemon_log(" ", 1); -daemon_log("$0 started!", 1); +daemon_log("$prg started!", 1); +daemon_log("status: $client_status", 1); +daemon_log($client_status_hash->{$client_status}.": $client_revision", 1); # delete old DBsqlite lock files system('rm -f /tmp/gosa_si_lock*gosa-si-client*'); - -# complete client_address +# detect ip and mac address and complete host address $client_address = $client_ip.":".$client_port; - - -# detect own ip and mac address 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); @@ -1033,6 +1273,11 @@ daemon_log("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; } @@ -1040,25 +1285,67 @@ $xml = new XML::Simple(); $default_server_key = $server_key; -# find all possible gosa-si-servers in DNS -if (defined $server_domain) { - my @tmp_servers = &get_server_addresses($server_domain); +# 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 = (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); +} else { + my @tmp_servers; + if ( !$server_domain) { + # Try our DNS Searchlist + for my $domain(get_dns_domains()) { + chomp($domain); + my @tmp_domains= &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) { + daemon_log("ERROR: please specify a gosa-si-server address or a domain in config file", 1); + kill 2, $$; + } + } else { + @tmp_servers = &get_server_addresses($server_domain); + if( 0 == @tmp_servers ) { + daemon_log("ERROR: no gosa-si-server found in DNS for domain '$server_domain'",1); + daemon_log("ERROR: please specify a gosa-si-server address or a domain in config file", 1); + kill 2, $$; + } + } + foreach my $server (@tmp_servers) { unshift(@servers, $server); } + my $servers_string = join(", ", @servers); + daemon_log("INFO: found servers in DNS: $servers_string", 5); } -# add gosa-si-server address from config file at first position of server list -if (defined $server_address) { - unshift(@servers, $server_address); -} -my $servers_string = join(", ", @servers); -daemon_log("found servers in configuration file and via DNS: $servers_string", 5); + + +# open fifo for non-gosa-si-client-msgs to gosa-si-server +POSIX::mkfifo("$gosa_si_client_fifo", "0600"); POE::Session->create( inline_states => { - _start => \®ister_at_gosa_si_server , + _start => \&_start, + _default => \&_default, 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, + + # handle records from each defined file differently + fifo_record => \&fifo_got_record, + + # handle file resets and errors the same way for each file + file_reset => \&generic_file_reset, + file_error => \&generic_file_error, } );