X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-si%2Fgosa-si-client;h=7e38a20830fc145430a63727192149d14df85b35;hb=7a2821ea86076ebecd8fbea137a9c9901073412b;hp=dc11a0724036810a294b546aa77cd93ba9f99103;hpb=6f5406e3d408ee2c7dbc8edd872051a1cff6c2e3;p=gosa.git diff --git a/gosa-si/gosa-si-client b/gosa-si/gosa-si-client index dc11a0724..7e38a2083 100755 --- a/gosa-si/gosa-si-client +++ b/gosa-si/gosa-si-client @@ -18,6 +18,8 @@ # REVISION: --- #=============================================================================== +my $client_version = '$HeadURL$:$Rev$'; + use strict; use warnings; use Getopt::Long; @@ -28,7 +30,6 @@ use Time::HiRes qw( gettimeofday ); 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); @@ -36,11 +37,11 @@ use MIME::Base64; use XML::Simple; 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 $client_version = '$HeadURL$:$Rev$'; my $client_headURL; my $client_revision; my $client_status; @@ -50,13 +51,13 @@ 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_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 $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 @@ -70,22 +71,27 @@ 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 = 10; our $prg= basename($0); -# all x seconds the client reports logged_in users to gosa-si-server +# 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"; @@ -106,6 +112,7 @@ my $fai_log_dir = "/var/log/fai"; "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"], @@ -230,11 +237,17 @@ sub daemon_log { 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 - } + 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, @@ -317,6 +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'); @@ -356,6 +377,12 @@ sub generate_hw_digest { 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)); } @@ -426,13 +453,17 @@ sub send_msg_to_target { 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); # opensocket my $socket = &open_socket($address); if( !$socket ) { - daemon_log("WARNING: cannot send ".$msg_header."msg to $address , host not reachable", 3); + daemon_log("WARNING: cannot send ".$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); @@ -444,7 +475,7 @@ sub send_msg_to_target { # send xml msg if( $error == 0 ) { - print $socket $crypted_msg."\n"; + 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); } @@ -551,15 +582,15 @@ sub register_at_gosa_si_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($dnsname)) { - if( defined($client_force_hostname) && $client_force_hostname eq "true") { - $dnsname = `hostname`; - } else { - &write_to_file("goto-error-dns:$ip", $fai_logpath); + if(!defined($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); - } - } + exit(1); + } + } # create registration msg my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/)); @@ -772,6 +803,82 @@ sub trigger_logged_in_users_report { } } +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; +} + +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"); + } + } + } + + $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay); + + return; +} + sub generic_file_error { my ( $heap, $operation, $errno, $error_string, $wheel_id ) = @@ -787,7 +894,7 @@ sub generic_file_error { } -sub fifo_got_record { +sub fai_fifo_got_record { my $file_record = $_[ARG0]; my $header; my $content = ""; @@ -806,6 +913,8 @@ 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, $server_key, "CLMSG_$header"); @@ -818,34 +927,80 @@ sub fifo_got_record { } +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 $FAI_DIR; - opendir($FAI_DIR, $fai_log_dir); - if (not defined $FAI_DIR) { - daemon_log("ERROR: can not open directory $fai_log_dir: $!", 1); - return; + # 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; + 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); + $log_file = File::Spec->catfile( $log_dir, $log_file ); + + if (not -f $log_file) { + daemon_log("ERROR: cannot read $log_file", 1); next; } - my @lines = <$FILE>; + + open(FILE, "<$log_file"); + my @lines = ; + close (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); @@ -880,17 +1035,13 @@ sub _start { 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'); + $kernel->yield('trigger_seen_messages'); } @@ -906,11 +1057,13 @@ sub server_input { my $error = 0; my $answer; - daemon_log("INFO: Incoming msg from '$remote_ip'", 5); daemon_log("DEBUG: Incoming msg:\n$input\n", 9); - my ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key); + # Cut of ip and port from msgs tail + my ($encrypted_msg, $msg_source) = split(/;/, $input); + + my ($msg, $msg_hash) = &check_key_and_xml_validity($encrypted_msg, $server_key); if( (!$msg) || (!$msg_hash) ) { daemon_log("WARNING: Deciphering of incoming msg failed", 3); if($server_address =~ /$remote_ip/) { @@ -920,6 +1073,7 @@ sub server_input { # 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 { @@ -951,36 +1105,47 @@ sub server_input { ######## # answer - if( $answer ) { - - #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, $1); - } + &post_processing_and_sending($answer); - # postprocessing - if( $answer =~ "
new_key
") { - # set new key to global variable - $answer =~ /(\S*?)<\/new_key>/; - my $new_key = $1; - $server_key = $new_key; - } - } + return; +} - } +sub post_processing_and_sending +{ + my ($answer) = @_ ; - return; + # Do nothing if answer does not exists + if (not defined $answer) { return; } + + # 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); + } + + # Post-sending + if( $answer =~ "
new_key
") + { + # Set new key to global variable + $answer =~ /(\S*?)<\/new_key>/; + my $new_key = $1; + $server_key = $new_key; + } + } + + return; } @@ -1038,12 +1203,12 @@ if ($client_headURL =~ /\/tag\// || $client_status = "developmental" ; } -# Prepare log file -my $root_uid = getpwnam('root'); -my $adm_gid = getgrnam('adm'); -chmod(0640, $log_file); -chown($root_uid, $adm_gid, $log_file); - +# Determine root uid and adm gid, used for creating log files +$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); @@ -1100,7 +1265,6 @@ if (defined $server_ip && defined $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 $server_check = (defined($server_check_cfg))?$server_check_cfg->val( "server", "ip"):undef; @@ -1112,12 +1276,12 @@ if( defined $server_check ) { my @tmp_servers; if ( !$server_domain) { # Try our DNS Searchlist - my @domain_list = &get_dns_domains(); - my $tmp_domains; - my $error_string; + my @domain_list = &get_dns_domains(); + my $tmp_domains; + my $error_string; for my $domain (@domain_list) { chomp($domain); - ($tmp_domains, $error_string) = &get_server_addresses($domain); + ($tmp_domains, $error_string) = &get_server_addresses($domain); if(@$tmp_domains) { for my $tmp_server(@$tmp_domains) { push @tmp_servers, $tmp_server; @@ -1125,11 +1289,11 @@ if( defined $server_check ) { } } if (0 == @tmp_servers) { - my $log_string = "no gosa-si-server found!"; - $log_string .= "\n\tdetermined domains out of /etc/resolv.conf: ".join(", ", @domain_list); - $log_string .= "\n\tdetermined server addresses in domains: ".join(", ",@$tmp_domains); - daemon_log("ERROR: $log_string", 1); - daemon_log("ERROR: $error_string", 1); + 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, $$; } @@ -1142,17 +1306,24 @@ 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", 1); + 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 => { @@ -1164,9 +1335,14 @@ POE::Session->create( # 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,