diff --git a/gosa-si/gosa-si-client b/gosa-si/gosa-si-client
index 63567e52a06ff56b44e192d3d695ce6ea8bfb1c2..cf4488c25231bbbaec239859f8a9dfc9c2bbd1f8 100755 (executable)
--- a/gosa-si/gosa-si-client
+++ b/gosa-si/gosa-si-client
use POSIX;
use Time::HiRes qw( gettimeofday );
-use POE qw(Component::Server::TCP);
+use POE qw(Component::Server::TCP Wheel::FollowTail);
use IO::Socket::INET;
use NetAddr::IP;
use Data::Dumper;
use MIME::Base64;
use XML::Simple;
use Net::DNS;
+use File::Basename;
my $event_dir = "/usr/lib/gosa-si/client/events";
use lib "/usr/lib/gosa-si/client/events";
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
# default variables
our $REGISTERED = 0;
-my $try_to_register = 0;
+
+# path to fifo for non-gosa-si-client messages to gosa-si-server
+$gosa_si_client_fifo = "/tmp/gosa-si-client-fifo";
+%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 = 5;
+our $prg= basename($0);
%cfg_defaults = (
"general" =>
- {"log-file" => [\$log_file, "/var/run/".$0.".log"],
- "pid-file" => [\$pid_file, "/var/run/".$0.".pid"],
- "opts-file" => [\$opts_file, "/var/run/".$0.".opts"],
+ {"log-file" => [\$log_file, "/var/run/".$prg.".log"],
+ "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
+ "opts-file" => [\$opts_file, "/var/run/".$prg.".opts"],
},
"client" =>
{"port" => [\$client_port, "20083"],
$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;
my $error = 0;
if( not defined $file || not -f $file ) {
- &main::daemon_log("ERROR: $0: check '-f file' failed: $file", 1);
+ &main::daemon_log("ERROR: $prg: check '-f file' failed: $file", 1);
$error++;
}
if( not defined $string || 0 == length($string)) {
- &main::daemon_log("ERROR: $0: empty string to write to file '$file'", 1);
+ &main::daemon_log("ERROR: $prg: empty string to write to file '$file'", 1);
$error++;
}
#===============================================================================
sub register_at_gosa_si_server {
my ($kernel) = $_[KERNEL];
+ my $try_to_register = 0;
if( not $REGISTERED ) {
- $try_to_register++;
- if( $try_to_register > 1 ) {
- &write_to_file("gosa-si-no-server-available", $fai_logpath);
- }
-
# 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
+ # 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 $resolver= Net::DNS::Resolver->new;
my $dnsresult= $resolver->search($ip);
+ my $dnsname="";
if(!defined($dnsresult)) {
- &write_to_file("goto-dns-error:Could not resolve hostname for ip $ip", $fai_logpath);
+ &write_to_file("goto-error-dns:$ip", $fai_logpath);
exit(1);
+ } else {
+ $dnsname=$dnsresult->{answer}[0]->{ptrdname};
}
# create registration msg
# 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
$client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
$client_address= "$client_ip:$client_port";
unlink($opts_file);
}
my $opts_file_FH;
+ my $hostname= $dnsname;
+ $hostname =~ s/\..*$//;
open($opts_file_FH, ">$opts_file");
- print $opts_file_FH "MAC=\"$local_mac\"";
+ print $opts_file_FH "MAC=\"$local_mac\"\n";
+ print $opts_file_FH "IPADDRESS=\"$client_ip\"\n";
+ print $opts_file_FH "HOSTNAME=\"$hostname\"\n";
+ print $opts_file_FH "FQDN=\"$dnsname\"\n";
close($opts_file_FH);
last;
} else {
+ $try_to_register++;
# wait 1 sec until trying to register again
sleep(1);
next;
}
}
-
-
- daemon_log("waiting for msg 'register_at_gosa_si_server'",1);
-# $kernel->delay_set('register_at_gosa_si_server', 180);
- $kernel->delay_set('register_at_gosa_si_server', 5);
- # clear old settings and set it again
- $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("waiting for msg 'register_at_gosa_si_server'",1);
+ $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;
}
$msg_hash = $xml->XMLin($msg, ForceArray=>1);
+ ##############
# check header
my $header_l = $msg_hash->{'header'};
if( 1 != @{$header_l} ) {
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 $event_dir) {
}
}
+
+ my @all_events = keys %$event_hash;
+ my $all_events_string = join(", ", @all_events);
+
+ daemon_log("INFO: imported events: $all_events_string", 5);
}
sub trigger_new_key {
}
+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 = $_[ARG0];
+ print STDERR "$file_record\n";
+
+ my $clmsg_hash = &create_xml_hash("CLMSG_$file_record", $client_address, $server_address);
+ my $clmsg = &create_xml_string($clmsg_hash);
+ &send_msg_to_target($clmsg, $server_address, $server_key);
+ return;
+}
+
+
sub _start {
- my ($kernel) = $_[KERNEL];
+ my ($kernel, $heap) = @_[KERNEL, HEAP];
$kernel->alias_set('client_session');
+
+ # force a registration at a gosa-si-server
$kernel->yield('register_at_gosa_si_server');
+
+ # install all file watcher defined
+ while( my($file_name, $file) = each %files_to_watch ) {
+ my $file_watcher = POE::Wheel::FollowTail->new(
+ Filename => $file,
+ InputEvent => $file_name."_record",
+ ResetEvent => "file_reset",
+ ErrorEvent => "file_error",
+ );
+ $heap->{services}->{ $file_watcher->ID } = $file_name;
+ $heap->{watchers}->{ $file_watcher->ID } = $file_watcher;
+ }
}
########
# answer
if( $answer ) {
- # preprocessing
- if( $answer =~ "<header>registered</header>") {
- # set registered flag to true to stop sending further registered msgs
- $REGISTERED = 1;
- }
- else {
- &send_msg_to_target($answer, $server_address, $server_key);
- }
- # postprocessing
- if( $answer =~ "<header>new_key</header>") {
- # set new key to global variable
- $answer =~ /<new_key>(\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
+
+ # preprocessing
+ if( $answer =~ "<header>registered</header>") {
+ # set registered flag to true to stop sending further registered msgs
+ $REGISTERED = 1;
+ }
+ else {
+ &send_msg_to_target($answer, $server_address, $server_key);
+ }
+
+ # postprocessing
+ if( $answer =~ "<header>new_key</header>") {
+ # set new key to global variable
+ $answer =~ /<new_key>(\S*?)<\/new_key>/;
+ my $new_key = $1;
+ $server_key = $new_key;
+ }
}
+
}
return;
}
daemon_log(" ", 1);
-daemon_log("$0 started!", 1);
+daemon_log("$prg started!", 1);
# delete old DBsqlite lock files
system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
}
+# open fifo for non-gosa-si-client-msgs to gosa-si-server
+POSIX::mkfifo("$gosa_si_client_fifo", "0600");
POE::Session->create(
_start => \&_start,
register_at_gosa_si_server => \®ister_at_gosa_si_server,
trigger_new_key => \&trigger_new_key,
+
+ # 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,
}
);