![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index c2fc7eea99469bc917aa7e10db3886562e6ee891..d50cdea1600645fa4ed259ffee29409123523ab4 100644 (file)
use Exporter;
@ISA = ("Exporter");
-# Each module has to have a function 'process_incoming_msg'. This function works as a interface to gosa-sd and recieves the msg hash from gosa-sd. 'process_incoming_function checks, wether it has a function to process the incoming msg and forward the msg to it.
-
+# Each module has to have a function 'process_incoming_msg'. This function works as a interface to gosa-sd and receives the msg hash from gosa-sd. 'process_incoming_function checks, wether it has a function to process the incoming msg and forward the msg to it.
use strict;
use warnings;
-use GosaSupportDaemon;
+use GOSA::GosaSupportDaemon;
+use Data::Dumper;
-BEGIN{}
+my $event_dir = "/usr/lib/gosa-si/server/ServerPackages";
+use lib "/usr/lib/gosa-si/server/ServerPackages";
+BEGIN{}
END {}
-### START ##########
-
-
-
-sub get_module_tags {
-
- # lese config file aus dort gibt es eine section Basic
- # dort stehen drei packettypen, für die sich das modul anmelden kann, gosa-admin-packages,
- # server-packages, client-packages
- my %tag_hash = (gosa_admin_packages => "yes",
- server_packages => "yes",
- client_packages => "yes",
- );
- return \%tag_hash;
-}
-
-
-sub process_incoming_msg {
- my ($crypted_msg) = @_ ;
- if(not defined $crypted_msg) {
- &main::daemon_log("function 'process_incoming_msg': got no msg", 7);
- }
- $crypted_msg =~ /^([\s\S]*?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)\.(\d{1,3}?)$/;
- $crypted_msg = $1;
- my $host = sprintf("%s.%s.%s.%s", $2, $3, $4, $5);
-
- # collect addresses from possible incoming clients
- my @valid_keys;
- my @host_keys = keys %$main::known_daemons;
- foreach my $host_key (@host_keys) {
- if($host_key =~ "^$host") {
- push(@valid_keys, $host_key);
- }
- }
- my @client_keys = keys %$main::known_clients;
- foreach my $client_key (@client_keys) {
- if($client_key =~ "^$host"){
- push(@valid_keys, $client_key);
- }
- }
- push(@valid_keys, $main::server_address);
-
- my $l = @valid_keys;
- my $msg_hash;
- my $msg_flag = 0;
- my $msg = "";
-
- # determine the correct passwd for deciphering of the incoming msgs
- foreach my $host_key (@valid_keys) {
- eval{
- &main::daemon_log("ServerPackage: host_key: $host_key", 7);
- my $key_passwd;
- if (exists $main::known_daemons->{$host_key}) {
- $key_passwd = $main::known_daemons->{$host_key}->{passwd};
- } elsif (exists $main::known_clients->{$host_key}) {
- $key_passwd = $main::known_clients->{$host_key}->{passwd};
- } elsif ($host_key eq $main::server_address) {
- $key_passwd = $main::server_passwd;
- }
- &main::daemon_log("ServerPackage: key_passwd: $key_passwd", 7);
- my $key_cipher = &create_ciphering($key_passwd);
- $msg = &decrypt_msg($crypted_msg, $key_cipher);
- &main::daemon_log("ServerPackages: decrypted msg: $msg", 7);
- $msg_hash = $main::xml->XMLin($msg, ForceArray=>1);
- #my $tmp = printf Dumper $msg_hash;
- #&main::daemon_log("DEBUG: ServerPackages: xml hash: $tmp", 7);
- };
- if($@) {
- &main::daemon_log("ServerPackage: key raise error: $@", 7);
- $msg_flag += 1;
- } else {
- last;
- }
- }
-
- if($msg_flag >= $l) {
- &main::daemon_log("WARNING: ServerPackage do not understand the message:", 5);
- &main::daemon_log("$@", 7);
- return;
- }
-
- # process incoming msg
- my $header = @{$msg_hash->{header}}[0];
- my $source = @{$msg_hash->{source}}[0];
-
- &main::daemon_log("ServerPackages: msg from host:", 5);
- &main::daemon_log("\t$host", 5);
- &main::daemon_log("ServerPackages: header from msg:", 5);
- &main::daemon_log("\t$header", 5);
- &main::daemon_log("ServerPackages: msg to process:", 5);
- &main::daemon_log("\t$msg", 5);
-
- my @targets = @{$msg_hash->{target}};
- my $len_targets = @targets;
- if ($len_targets == 0){
- &main::daemon_log("ERROR: ServerPackages: no target specified for msg $header", 1);
-
- } elsif ($len_targets == 1){
- # we have only one target symbol
-
- my $target = $targets[0];
- &main::daemon_log("SeverPackages: msg is for:", 7);
- &main::daemon_log("\t$target", 7);
-
- if ($target eq $main::server_address) {
- # msg is for server
- if ($header eq 'new_passwd'){ &new_passwd($msg_hash)}
- elsif ($header eq 'here_i_am') { &here_i_am($msg_hash)}
- elsif ($header eq 'who_has') { &who_has($msg_hash) }
- elsif ($header eq 'who_has_i_do') { &who_has_i_do($msg_hash)}
- elsif ($header eq 'update_status') { &update_status($msg_hash) }
- elsif ($header eq 'got_ping') { &got_ping($msg_hash)}
- elsif ($header eq 'get_load') { &execute_actions($msg_hash)}
- else { &main::daemon_log("ERROR: ServerPackages: no function assigned to this msg", 5) }
-
-
- } elsif ($target eq "*") {
- # msg is for all clients
-
- my @target_addresses = keys(%$main::known_clients);
- foreach my $target_address (@target_addresses) {
- if ($target_address eq $source) { next; }
- $msg_hash->{target} = [$target_address];
- &send_msg_hash2address($msg_hash, $target_address);
- }
- } else {
- # msg is for one host
-
- if (exists $main::known_clients->{$target}) {
- &send_msg_hash2address($msg_hash, $target);
- } elsif (exists $main::known_daemons->{$target}) {
- # target is known
- &send_msg_hash2address($msg_hash, $target);
- } else {
- # target is not known
- &main::daemon_log("ERROR: ServerPackages: target $target is not known neither in known_clients nor in known_daemons", 1);
- }
- }
- }
-
- return ;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: got_ping
-# PARAMETERS: msg_hash - hash - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: process this incoming message
-#===============================================================================
-sub got_ping {
- my ($msg_hash) = @_;
-
- my $source = @{$msg_hash->{source}}[0];
- my $target = @{$msg_hash->{target}}[0];
- my $header = @{$msg_hash->{header}}[0];
-
- if(exists $main::known_daemons->{$source}) {
- &main::add_content2known_daemons(hostname=>$source, status=>$header);
- } else {
- &main::add_content2known_clients(hostname=>$source, status=>$header);
- }
-
- return;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: new_passwd
-# PARAMETERS: msg_hash - ref - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: process this incoming message
-#===============================================================================
-sub new_passwd {
- my ($msg_hash) = @_;
-
- my $source = @{$msg_hash->{source}}[0];
- my $passwd = @{$msg_hash->{new_passwd}}[0];
-
- if (exists $main::known_daemons->{$source}) {
- &main::add_content2known_daemons(hostname=>$source, status=>"new_passwd", passwd=>$passwd);
- my $hash = &create_xml_hash("confirm_new_passwd", $main::server_address, $source);
- &send_msg_hash2address($hash, $source);
-
- } elsif (exists $main::known_clients->{$source}) {
- &main::add_content2known_clients(hostname=>$source, status=>"new_passwd", passwd=>$passwd);
+### START #####################################################################
+# import local events
+my ($error, $result, $event_hash) = &import_events($event_dir);
+foreach my $log_line (@$result) {
+ if ($log_line =~ / succeed: /) {
+ &main::daemon_log("0 DEBUG: ServerPackages - $log_line", 7);
} else {
- &main::daemon_log("ERROR: $source not known, neither in known_daemons nor in known_clients", 1)
+ &main::daemon_log("0 ERROR: ServerPackages - $log_line", 1);
}
-
- return;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: here_i_am
-# PARAMETERS: msg_hash - hash - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: process this incoming message
-#===============================================================================
-sub here_i_am {
- my ($msg_hash) = @_;
-
- my $source = @{$msg_hash->{source}}[0];
- my $mac_address = @{$msg_hash->{mac_address}}[0];
- my $out_hash;
-
- # number of known clients
- my $nu_clients = keys %$main::known_clients;
-
- # check wether client address or mac address is already known
- if (exists $main::known_clients->{$source}) {
- &main::daemon_log("WARNING: $source is already known as a client", 1);
- &main::daemon_log("WARNING: values for $source are being overwritten", 1);
- $nu_clients --;
- }
-
- # number of actual activ clients
- my $act_nu_clients = $nu_clients;
-
- &main::daemon_log("number of actual activ clients: $act_nu_clients", 5);
- &main::daemon_log("number of maximal allowed clients: $main::max_clients", 5);
-
- if($main::max_clients <= $act_nu_clients) {
- my $out_hash = &create_xml_hash("denied", $main::server_address, $source);
- &add_content2xml_hash($out_hash, "denied", "I_cannot_take_any_more_clients!");
- my $passwd = @{$msg_hash->{new_passwd}}[0];
- &send_msg_hash2address($out_hash, $source, $passwd);
- return;
- }
-
- # new client accepted
- my $new_passwd = @{$msg_hash->{new_passwd}}[0];
-
- # create known_daemons entry
- my $events = @{$msg_hash->{events}}[0];
- &main::create_known_client($source);
- &main::add_content2known_clients(hostname=>$source, events=>$events, mac_address=>$mac_address,
- status=>"registered", passwd=>$new_passwd);
-
- # return acknowledgement to client
- $out_hash = &create_xml_hash("registered", $main::server_address, $source);
- &send_msg_hash2address($out_hash, $source);
-
- # notify registered client to bus
- $out_hash = &main::create_xml_hash("new_client", $main::server_address, $main::bus_address, $source);
- &main::send_msg_hash2bus($out_hash);
-
- # give the new client his ldap config
- &new_ldap_config($source);
-
- return;
}
+### FUNCTIONS #####################################################################
-#=== FUNCTION ================================================================
-# NAME: who_has
-# PARAMETERS: msg_hash - hash - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: process this incoming message
-#===============================================================================
-sub who_has {
- my ($msg_hash) = @_ ;
-
- # what is your search pattern
- my $search_pattern = @{$msg_hash->{who_has}}[0];
- my $search_element = @{$msg_hash->{$search_pattern}}[0];
- &main::daemon_log("who_has-msg looking for $search_pattern $search_element", 7);
-
- # scanning known_clients for search_pattern
- my @host_addresses = keys %$main::known_clients;
- my $known_clients_entries = length @host_addresses;
- my $host_address;
- foreach my $host (@host_addresses) {
- my $client_element = $main::known_clients->{$host}->{$search_pattern};
- if ($search_element eq $client_element) {
- $host_address = $host;
- last;
- }
- }
-
- # search was successful
- if (defined $host_address) {
- my $source = @{$msg_hash->{source}}[0];
- my $out_msg = &main::create_xml_hash("who_has_i_do", $main::server_address, $source, "mac_address");
- &main::add_content2xml_hash($out_msg, "mac_address", $search_element);
- &main::send_msg_hash2address($out_msg, $main::bus_address);
- }
- return;
+sub get_module_info {
+ my @info = ($main::server_address,
+ $main::ServerPackages_key,
+ );
+ return \@info;
}
-
-sub who_has_i_do {
- my ($msg_hash) = @_ ;
+sub process_incoming_msg {
+ my ($msg, $msg_hash, $session_id) = @_ ;
my $header = @{$msg_hash->{header}}[0];
- my $source = @{$msg_hash->{source}}[0];
- my $search_param = @{$msg_hash->{$header}}[0];
- my $search_value = @{$msg_hash->{$search_param}}[0];
- print "\ngot msg $header:\nserver $source has client with $search_param $search_value\n";
-}
+ my $source = @{$msg_hash->{source}}[0];
+ my $target = @{$msg_hash->{target}}[0];
+ my $sql_events;
+ my @msg_l;
+ my @out_msg_l = ( 'nohandler' );
-#=== FUNCTION ================================================================
-# NAME: new_ldap_config
-# PARAMETERS: address - string - ip address and port of a host
-# RETURNS: nothing
-# DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
-#===============================================================================
-sub new_ldap_config {
- my ($address) = @_ ;
-
- if (not exists $main::known_clients->{$address}) {
- &main::daemon_log("ERROR: $address does not exist in known_clients, cannot send him his ldap config", 1);
- return;
- }
-
- my $mac_address = $main::known_clients->{$address}->{"mac_address"};
- if (not defined $mac_address) {
- &main::daemon_log("ERROR: no mac address found for client $address", 1);
- return;
- }
- # fetch dn
- my $goHard_cmd = "ldapsearch -x '(&(objectClass=goHard)(macAddress=00:11:22:33:44:57))' dn gotoLdapServer";
- my $dn;
- my @gotoLdapServer;
- open (PIPE, "$goHard_cmd 2>&1 |");
-# my $rbits = "";
-# vec($rbits, fileno PIPE, 1) = 1;
-# my $rout;
-# my $nf = select($rout=$rbits, undef, undef, $ldap_timeout);
- while(<PIPE>) {
- chomp $_;
- # If it's a comment, goto next
- if ($_ =~ m/^[#]/) { next;}
- if ($_ =~ m/^dn: ([\S]+?)$/) {
- $dn = $1;
- } elsif ($_ =~ m/^gotoLdapServer: ([\S]+?)$/) {
- push(@gotoLdapServer, $1);
- }
- }
- close(PIPE);
-
- # no dn found
- if (not defined $dn) {
- &main::daemon_log("ERROR: no dn arose from command: $goHard_cmd", 1);
- return;
- }
+ # if message is being forwarded from another server, strip of header prefixes
+ $header =~ s/^gosa_|^job_//;
+ $msg =~ s/<header>gosa_(\w+)<\/header>|<header>job_(\w+)<\/header>/<header>$1<\/header>/;
- # no gotoLdapServer found
- my $gosaGroupOfNames_cmd = "ldapsearch -x '(&(objectClass=gosaGroupOfNames)(member=$dn))' gotoLdapServer";
- if (@gotoLdapServer == 0) {
- open (PIPE, "$gosaGroupOfNames_cmd 2>&1 |");
- while(<PIPE>) {
- chomp $_;
- if ($_ =~ m/^[#]/) { next; }
- if ($_ =~ m/^gotoLdapServer: ([\S]+?)$/) {
- push(@gotoLdapServer, $1);
- }
- }
- close(PIPE);
- }
- # still no gotoLdapServer found
- if (@gotoLdapServer == 0) {
- &main::daemon_log("ERROR: cannot find gotoLdapServer entry in command: $gosaGroupOfNames_cmd", 1);
- return;
- }
-
- # sort @gotoLdapServer and then split of ranking
- my @sorted_gotoLdapServer = sort(@gotoLdapServer);
- @gotoLdapServer = reverse(@sorted_gotoLdapServer);
- foreach (@gotoLdapServer) {
- $_ =~ s/^\d://;
- }
+ &main::daemon_log("$session_id DEBUG: ServerPackages: msg to process '$header'", 7);
+ if( exists $event_hash->{$header} ) {
+ # a event exists with the header as name
+ &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
+ no strict 'refs';
+ @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
- my $t = join(" ", @gotoLdapServer);
-
- my $out_hash = &main::create_xml_hash("new_ldap_config", $main::server_address, $address);
- map(&main::add_content2xml_hash($out_hash, "new_ldap_config", $_), @gotoLdapServer);
- &main::send_msg_hash2address($out_hash, $address);
+ } else {
+ $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$target') OR (hostname='$target') )";
+ my $res = $main::known_clients_db->select_dbentry( $sql_events );
+ my $l = keys(%$res);
- return;
-}
+# TODO
+# $l == 1, knownclienterror wird eigentlich nicht gebraucht. hier soll nohandler anspringen
+ # set error if no or more than 1 hits are found for sql query
+ if ( $l != 1) {
+ @out_msg_l = ('knownclienterror');
+
+ # found exact 1 hit in db
+ } else {
+ my $client_events = $res->{'1'}->{'events'};
-#=== FUNCTION ================================================================
-# NAME: execute_actions
-# PARAMETERS: msg_hash - hash - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: invokes the script specified in msg_hash which is located under
-# /etc/gosad/actions
-#===============================================================================
-sub execute_actions {
- my ($msg_hash) = @_ ;
- my $configdir= '/etc/gosad/actions/';
- my $result;
+ # client is registered for this event, deliver this message to client
+ if ($client_events =~ /,$header,/) {
+ $msg =~ s/<header>gosa_/<header>/;
+ @out_msg_l = ( $msg );
- my $header = @{$msg_hash->{header}}[0];
- my $source = @{$msg_hash->{source}}[0];
- my $target = @{$msg_hash->{target}}[0];
-
- if((not defined $source)
- && (not defined $target)
- && (not defined $header)) {
- &main::daemon_log("ERROR: Entries missing in XML msg for gosad actions under /etc/gosad/actions");
- } else {
- my $parameters="";
- my @params = @{$msg_hash->{$header}};
- my $params = join(", ", @params);
- &main::daemon_log("execute_actions: got parameters: $params", 5);
-
- if (@params) {
- foreach my $param (@params) {
- my $param_value = (&get_content_from_xml_hash($msg_hash, $param))[0];
- &main::daemon_log("execute_actions: parameter -> value: $param -> $param_value", 7);
- $parameters.= " ".$param_value;
+ # client is not registered for this event, set error
+ } else {
+ @out_msg_l = ('noeventerror');
}
}
-
- my $cmd= $configdir.$header."$parameters";
- &main::daemon_log("execute_actions: executing cmd: $cmd", 7);
- $result= "";
- open(PIPE, "$cmd 2>&1 |");
- while(<PIPE>) {
- $result.=$_;
- }
- close(PIPE);
}
- # process the event result
-
-
- return;
+ # if delivery not possible raise error and return
+ if (not defined $out_msg_l[0]) {
+ @out_msg_l = ();
+ } elsif ($out_msg_l[0] eq 'nohandler') {
+ &main::daemon_log("$session_id ERROR: ServerPackages: no event handler defined for '$header'", 1);
+ @out_msg_l = ();
+ } elsif ($out_msg_l[0] eq 'knownclienterror') {
+ &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
+ &main::daemon_log("$session_id WARNING: processing is aborted and message will not be forwarded", 3);
+ @out_msg_l = ();
+ } elsif ($out_msg_l[0] eq 'noeventerror') {
+ &main::daemon_log("$session_id WARNING: client '$target' is not registered for event '$header', processing is aborted", 3);
+ @out_msg_l = ();
+ }
+
+ return \@out_msg_l;
}
1;