index 62d70c8ac63c7f6fb7805b36049ee68a49836da2..bf4ac091b12ef38025b4a79eb89017d5567254b1 100644 (file)
package ServerPackages;
-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 GOSA::GosaSupportDaemon;
-use IO::Socket::INET;
-use XML::Simple;
-use Data::Dumper;
-use Net::LDAP;
-use Socket qw/PF_INET SOCK_DGRAM inet_ntoa sockaddr_in/;
-
-BEGIN{}
-END {}
-
-my ($known_clients_file_name);
-my ($server_activ, $server_ip, $server_mac_address, $server_port, $server_passwd, $max_clients, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password);
-my ($bus_activ, $bus_passwd, $bus_ip, $bus_port);
-my $server;
-my $network_interface;
-my $no_bus;
-my (@ldap_cfg, @pam_cfg, @nss_cfg, $goto_admin, $goto_secret);
-
-my %cfg_defaults =
-(
-"server" =>
- {"server_activ" => [\$server_activ, "on"],
- "server_ip" => [\$server_ip, "0.0.0.0"],
- "server_mac_address" => [\$server_mac_address, ""],
- "server_port" => [\$server_port, "20081"],
- "server_passwd" => [\$server_passwd, ""],
- "max_clients" => [\$max_clients, 100],
- "ldap_uri" => [\$ldap_uri, ""],
- "ldap_base" => [\$ldap_base, ""],
- "ldap_admin_dn" => [\$ldap_admin_dn, ""],
- "ldap_admin_password" => [\$ldap_admin_password, ""],
- },
-"bus" =>
- {"bus_activ" => [\$bus_activ, "on"],
- "bus_passwd" => [\$bus_passwd, ""],
- "bus_ip" => [\$bus_ip, ""],
- "bus_port" => [\$bus_port, "20080"],
- },
-);
+use Data::Dumper;
+use GOsaSI::GosaSupportDaemon;
-### START #####################################################################
+use Exporter;
-# read configfile and import variables
-&read_configfile();
+our @ISA = ("Exporter");
-# detect interfaces and mac address
-$network_interface= &get_interface_for_ip($server_ip);
-$server_mac_address= &get_mac($network_interface);
+my $event_dir = "/usr/lib/gosa-si/server/ServerPackages";
+use lib "/usr/lib/gosa-si/server/ServerPackages";
-&main::daemon_log("server ip address detected: $server_ip", 1);
-&main::daemon_log("server mac address detected: $server_mac_address", 1);
+BEGIN{}
+END {}
-# complete addresses
-my $server_address = "$server_ip:$server_port";
-my $bus_address = "$bus_ip:$bus_port";
-# create general settings for this module
-my $xml = new XML::Simple();
+### START #####################################################################
-# open server socket
-if($server_activ eq "on"){
- &main::daemon_log(" ", 1);
- $server = IO::Socket::INET->new(LocalPort => $server_port,
- Type => SOCK_STREAM,
- Reuse => 1,
- Listen => 20,
- );
- if(not defined $server){
- &main::daemon_log("cannot be a tcp server at $server_port : $@");
+# import local events
+my ($error, $result, $event_hash) = &import_events($event_dir);
+foreach my $log_line (@$result) {
+ if ($log_line =~ / succeed: /) {
+ &main::daemon_log("0 INFO: ServerPackages - $log_line", 5);
} else {
- &main::daemon_log("start server: $server_address", 1);
+ &main::daemon_log("0 ERROR: ServerPackages - $log_line", 1);
}
}
-# TODO
-# füge den server selbst zu known_server hinzu, msgs können nämlich auch von sich selbst kommen (gosa!!!)
-
-
-# register at bus
-if ($main::no_bus > 0) {
- $bus_activ = "off"
-}
-if($bus_activ eq "on") {
- &main::daemon_log(" ", 1);
- ®ister_at_bus();
-}
-
-### functions #################################################################
-
-#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 get_module_info {
- my @info = ($server_address,
- $server_passwd,
- $server,
- $server_activ,
- "socket",
- );
- return \@info;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: read_configfile
-# PARAMETERS: cfg_file - string -
-# RETURNS: nothing
-# DESCRIPTION: read cfg_file and set variables
-#===============================================================================
-sub read_configfile {
- my $cfg;
- if( defined( $main::cfg_file) && ( length($main::cfg_file) > 0 )) {
- if( -r $main::cfg_file ) {
- $cfg = Config::IniFiles->new( -file => $main::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] );
- }
- }
-
- # Read non predefined sections
- my $param;
- if ($cfg->SectionExists('ldap')){
- foreach $param ($cfg->Parameters('ldap')){
- push (@ldap_cfg, "$param ".$cfg->val('ldap', $param));
- }
- }
- if ($cfg->SectionExists('pam_ldap')){
- foreach $param ($cfg->Parameters('pam_ldap')){
- push (@pam_cfg, "$param ".$cfg->val('pam_ldap', $param));
- }
- }
- if ($cfg->SectionExists('nss_ldap')){
- foreach $param ($cfg->Parameters('nss_ldap')){
- push (@nss_cfg, "$param ".$cfg->val('nss_ldap', $param));
- }
- }
- if ($cfg->SectionExists('goto')){
- $goto_admin= $cfg->val('goto', 'terminal_admin');
- $goto_secret= $cfg->val('goto', 'terminal_secret');
- } else {
- $goto_admin= undef;
- $goto_secret= undef;
+# build vice versa event_hash, event_name => module
+my $event2module_hash = {};
+while (my ($module, $mod_events) = each %$event_hash) {
+ while (my ($event_name, $nothing) = each %$mod_events) {
+ $event2module_hash->{$event_name} = $module;
}
}
-#=== 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") {
- # TODO
- } else {
- foreach (@ifs) {
- my $if=$_;
- if(get_ip($if) eq $ip) {
- $result = $if;
- }
- }
- }
- }
- return $result;
-}
-
-#=== 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 = <PROC_NET_DEV>;
-
- 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)
-# RETURNS: (mac address)
-# DESCRIPTION: Uses ioctl to get mac address directly from system.
-#===============================================================================
-sub get_mac {
- my $ifreq= shift;
- my $result;
- if ($ifreq && length($ifreq) > 0) {
- my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
-
- # A configured MAC Address should always override a guessed value
- if ($server_mac_address and length($server_mac_address) > 0) {
- return $server_mac_address;
- }
-
- socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
- or die "socket: $!";
-
- if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
- my ($if, $mac)= unpack 'h36 H12', $ifreq;
+### FUNCTIONS #####################################################################
- if (length($mac) > 0) {
- $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
- $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
- $result = $mac
- }
- }
- }
- 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 $result;
-}
-
-#=== FUNCTION ================================================================
-# NAME: open_socket
-# PARAMETERS: PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
-# [PeerPort] string necessary if port not appended by PeerAddr
-# RETURNS: socket IO::Socket::INET
-# DESCRIPTION: open a socket to PeerAddr
-#===============================================================================
-sub open_socket {
- my ($PeerAddr, $PeerPort) = @_ ;
- if(defined($PeerPort)){
- $PeerAddr = $PeerAddr.":".$PeerPort;
- }
- my $socket;
- $socket = new IO::Socket::INET(PeerAddr => $PeerAddr ,
- Porto => "tcp" ,
- Type => SOCK_STREAM,
- Timeout => 5,
+sub get_module_info {
+ my @info = ($main::server_address,
+ $main::ServerPackages_key,
+ $event_hash,
);
- if(not defined $socket) {
- return;
- }
- &main::daemon_log("open_socket to: $PeerAddr", 7);
- return $socket;
-}
-
-#=== FUNCTION ================================================================
-# NAME: register_at_bus
-# PARAMETERS: nothing
-# RETURNS: nothing
-# DESCRIPTION: creates an entry in known_daemons and send a 'here_i_am' msg to bus
-#===============================================================================
-sub register_at_bus {
-
- # add bus to known_server_db
- my $res = $main::known_server_db->add_dbentry( {table=>'known_server',
- primkey=>'hostname',
- hostname=>$bus_address,
- status=>'bus',
- hostkey=>$bus_passwd,
- timestamp=>&get_time,
- } );
-# if ($res == 3) {
-# my $update_hash = { table=>'known_server' };
-# $update_hash->{where} = [ { hostname=>[$bus_address] } ];
-# $update_hash->{update} = [ {
-# hostkey=>[$bus_passwd],
-# timestamp=>[&get_time],
-# } ];
-# $res = $main::known_server_db->update_dbentry( $update_hash );
-# }
-
- my $msg_hash = &create_xml_hash("here_i_am", $server_address, $bus_address);
- my $answer = "";
- $answer = &send_msg_hash2address($msg_hash, $bus_address, $bus_passwd);
- if ($answer == 0) {
- &main::daemon_log("register at bus: $bus_address", 1);
- } else {
- &main::daemon_log("unable to send 'register'-msg to bus '$bus_address': $answer", 1);
- }
- return;
+ return \@info;
}
-#=== FUNCTION ================================================================
-# NAME: process_incoming_msg
-# PARAMETERS: crypted_msg - string - incoming crypted message
-# RETURNS: nothing
-# DESCRIPTION: handels the proceeded distribution to the appropriated functions
-#===============================================================================
sub process_incoming_msg {
- my ($crypted_msg) = @_ ;
- if(not defined $crypted_msg) {
- &main::daemon_log("function 'process_incoming_msg': got no msg", 7);
- }
-
- &main::daemon_log("ServerPackages: incoming msg: \n$crypted_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);
-
- my $msg;
- my $msg_hash;
- my $host_name;
- my $host_key;
-
- # check wether incoming msg is a new msg
- $host_name = $server_address;
- $host_key = $server_passwd;
- &main::daemon_log("ServerPackage: host_name: $host_name", 7);
- &main::daemon_log("ServerPackage: host_key: $host_key", 7);
- eval{
- my $key_cipher = &create_ciphering($host_key);
- $msg = &decrypt_msg($crypted_msg, $key_cipher);
- $msg_hash = &transform_msg2hash($msg);
- };
- if($@) {
- &main::daemon_log("ServerPackage: deciphering raise error", 7);
- &main::daemon_log("$@", 8);
- $msg = undef;
- $msg_hash = undef;
- $host_name = undef;
- $host_key = undef;
- }
-
- # check wether incoming msg is from a known_server
- if( not defined $msg ) {
- my $query_res = $main::known_server_db->select_dbentry( {table=>'known_server'} );
- while( my ($hit_num, $hit) = each %{ $query_res } ) {
- $host_name = $hit->{hostname};
- if( not $host_name =~ "^$host") {
- next;
- }
- $host_key = $hit->{hostkey};
- &main::daemon_log("ServerPackage: host_name: $host_name", 7);
- &main::daemon_log("ServerPackage: host_key: $host_key", 7);
- eval{
- my $key_cipher = &create_ciphering($host_key);
- $msg = &decrypt_msg($crypted_msg, $key_cipher);
- $msg_hash = &transform_msg2hash($msg);
- };
- if($@) {
- &main::daemon_log("ServerPackage: deciphering raise error", 7);
- &main::daemon_log("$@", 8);
- $msg = undef;
- $msg_hash = undef;
- $host_name = undef;
- $host_key = undef;
- } else {
- last;
- }
- }
- }
-
- # check wether incoming msg is from a known_client
- if( not defined $msg ) {
- my $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients'} );
- while( my ($hit_num, $hit) = each %{ $query_res } ) {
- $host_name = $hit->{hostname};
- if( not $host_name =~ "^$host") {
- next;
- }
- $host_key = $hit->{hostkey};
- &main::daemon_log("ServerPackage: host_name: $host_name", 7);
- &main::daemon_log("ServerPackage: host_key: $host_key", 7);
- eval{
- my $key_cipher = &create_ciphering($host_key);
- $msg = &decrypt_msg($crypted_msg, $key_cipher);
- $msg_hash = &transform_msg2hash($msg);
- };
- if($@) {
- &main::daemon_log("ServerPackage: deciphering raise error", 7);
- &main::daemon_log("$@", 8);
- $msg = undef;
- $msg_hash = undef;
- $host_name = undef;
- $host_key = undef;
- } else {
- last;
- }
- }
- }
-
- if( not defined $msg ) {
- &main::daemon_log("WARNING: ServerPackage do not understand the message:", 5);
- &main::daemon_log("$@", 7);
- return;
- }
-
- # process incoming msg
- my $header = @{$msg_hash->{header}}[0];
- my $source = @{$msg_hash->{source}}[0];
-
- &main::daemon_log("recieve '$header' at ServerPackages from $host", 1);
- &main::daemon_log("ServerPackages: msg to process: \n$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: $target", 7);
-
- if ($target eq $server_address) {
- # msg is for server
- if ($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 $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients'} );
- while( my ($hit_num, $hit) = each %{ $query_res } ) {
- $host_name = $hit->{hostname};
- $host_key = $hit->{hostkey};
- $msg_hash->{target} = [$host_name];
- &send_msg_hash2address($msg_hash, $host_name, $host_key);
- }
- return;
-
- } else {
- # msg is for one host
- my $query_res;
- $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients', hostname=>$target} );
- if( 1 == keys %{$query_res} ) {
- $host_key = $query_res->{1}->{host_key};
- &send_msg_hash2address($msg_hash, $target, $host_key);
- return;
- }
-
- $query_res = $main::known_server_db->select_dbentry( {table=>'known_server', hostname=>$target} );
- if( 1 == keys %{$query_res} ) {
- $host_key = $query_res->{1}->{host_key};
- &send_msg_hash2address($msg_hash, $target, $host_key);
- return;
- }
-
- &main::daemon_log("ERROR: ServerPackages: target '$target' is not known neither in known_clients nor in known_server",1);
- return;
- }
-
- } elsif ($len_targets > 1 ) {
- # we have more than one target
- return;
- }
-
- return ;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: got_ping
-# PARAMETERS: msg_hash - hash - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: process this incoming message
-#===============================================================================
-sub got_ping {
- my ($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 ($msg_hash) = @_;
-
+ my ($msg, $msg_hash, $session_id) = @_ ;
my $header = @{$msg_hash->{header}}[0];
- my $source_name = @{$msg_hash->{source}}[0];
- my $source_key = @{$msg_hash->{new_passwd}}[0];
- my $query_res;
-
- # check known_clients_db
- $query_res = $main::known_clients_db->select_dbentry( {table=>'known_clients', hostname=>$source_name} );
- if( 1 == keys %{$query_res} ) {
- my $update_hash = { table=>'known_clients' };
- $update_hash->{where} = [ { hostname=>[$source_name] } ];
- $update_hash->{update} = [ {
- hostkey=>[$source_key],
- timestamp=>[&get_time],
- } ];
- my $res = $main::known_clients_db->update_dbentry( $update_hash );
-
- my $hash = &create_xml_hash("confirm_new_passwd", $server_address, $source_name);
- &send_msg_hash2address($hash, $source_name, $source_key);
- return;
- }
-
- # check known_server_db
- $query_res = $main::known_server_db->select_dbentry( {table=>'known_server', hostname=>$source_name } );
- if( 1 == keys %{$query_res} ) {
- my $update_hash = { table=>'known_server' };
- $update_hash->{where} = [ { hostname=>[$source_name] } ];
- $update_hash->{update} = [ {
- hostkey=>[$source_key],
- timestamp=>[&get_time],
- } ];
- my $res = $main::known_server_db->update_dbentry( $update_hash );
-
- my $hash = &create_xml_hash("confirm_new_passwd", $server_address, $source_name);
- &send_msg_hash2address($hash, $source_name, $source_key);
- return;
- }
-
- &main::daemon_log("ERROR: $source_name not known for '$header'-msg", 1);
- return;
-}
-
-
-sub send_msg_hash {
- my ($hash, $host_name, $host_key);
-
-
- my $answer = &send_msg_hash2address($hash, $host_name, $host_key);
-
- return;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: here_i_am
-# PARAMETERS: msg_hash - hash - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: process this incoming message
-#===============================================================================
-sub here_i_am {
- my ($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_db->select_dbentry( {table=>'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: $max_clients", 5);
+ my $source = @{$msg_hash->{source}}[0];
+ my $target = @{$msg_hash->{target}}[0];
+ my $sql_events;
- if($max_clients <= $act_nu_clients) {
- my $out_hash = &create_xml_hash("denied", $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];
+ my @msg_l;
+ my @out_msg_l = ( 'nohandler' );
- # create entry in known_clients
- my $events = @{$msg_hash->{events}}[0];
-
- # add entry to known_clients_db
- my $res = $main::known_clients_db->add_dbentry( {table=>'known_clients',
- primkey=>'hostname',
- hostname=>$source,
- events=>$events,
- macaddress=>$mac_address,
- status=>'registered',
- hostkey=>$new_passwd,
- timestamp=>&get_time,
- } );
- if ($res != 0) {
- &main::daemon_log("ERROR: cannot add entry to known_clients: $res");
- 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>/;
- # return acknowledgement to client
- $out_hash = &create_xml_hash("registered", $server_address, $source);
- &send_msg_hash2address($out_hash, $source, $new_passwd);
-
- # notify registered client to bus
- if( $bus_activ eq "on") {
- # fetch actual bus key
- my $query_res = $main::known_server_db->select_dbentry( {table=>'known_server'} );
- my $hostkey = $query_res->{1}->{hostkey};
-
- # send update msg to bus
- $out_hash = &create_xml_hash("new_client", $server_address, $bus_address, $source);
- &send_msg_hash2address($out_hash, $bus_address, $hostkey);
-
- &main::daemon_log("send bus msg that client '$source' has registerd at server '$server_address'", 3);
- }
- # give the new client his ldap config
- &new_ldap_config($source);
+ &main::daemon_log("$session_id DEBUG: ServerPackages: msg to process '$header'", 26);
+ if( exists $event2module_hash->{$header} ) {
+ # a event exists with the header as name
+ &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event2module_hash->{$header}."'", 26);
+ no strict 'refs';
+ @out_msg_l = &{$event2module_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
- return;
-}
+ } 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);
-#=== 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;
- }
- }
+# 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');
- # search was successful
- if (defined $host_address) {
- my $source = @{$msg_hash->{source}}[0];
- my $out_msg = &create_xml_hash("who_has_i_do", $server_address, $source, "mac_address");
- &add_content2xml_hash($out_msg, "mac_address", $search_element);
- &send_msg_hash2address($out_msg, $bus_address);
- }
- return;
-}
-
-
-sub who_has_i_do {
- my ($msg_hash) = @_ ;
- 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 $search_value\n";
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: new_ldap_config
-# PARAMETERS: address - string - ip address and port of a host
-# RETURNS: nothing
-# DESCRIPTION: send to address the ldap configuration found for dn gotoLdapServer
-#===============================================================================
-sub new_ldap_config {
- my ($address) = @_ ;
-
- my $res = $main::known_clients_db->select_dbentry( { table=>'known_clients', hostname=>$address } );
-
- # check hit
- my $hit_counter = keys %{$res};
- if( not $hit_counter == 1 ) {
- &main::daemon_log("ERROR: more or no hit found in known_clients_db by query by '$address'", 1);
- }
-
- my $macaddress = $res->{1}->{macaddress};
- my $hostkey = $res->{1}->{hostkey};
-
- if (not defined $macaddress) {
- &main::daemon_log("ERROR: no mac address found for client $address", 1);
- return;
- }
-
- # Build LDAP connection
- my $ldap = Net::LDAP->new($ldap_uri);
- if( not defined $ldap ) {
- &main::daemon_log("ERROR: cannot connect to ldap: $ldap_uri", 1);
- return;
- }
-
-
- # Bind to a directory with dn and password
- my $mesg= $ldap->bind($ldap_admin_dn, $ldap_admin_password);
-
- # Perform search
- $mesg = $ldap->search( base => $ldap_base,
- scope => 'sub',
- attrs => ['dn', 'gotoLdapServer'],
- filter => "(&(objectClass=GOhard)(macaddress=$macaddress))");
- $mesg->code && die $mesg->error;
-
- # Sanity check
- if ($mesg->count != 1) {
- &main::daemon_log("WARNING: client mac address $macaddress not found/not unique in ldap search", 1);
- &main::daemon_log("\tbase: $ldap_base", 1);
- &main::daemon_log("\tscope: sub", 1);
- &main::daemon_log("\tattrs: dn, gotoLdapServer", 1);
- &main::daemon_log("\tfilter: (&(objectClass=GOhard)(macaddress=$macaddress))", 1);
- return;
- }
-
- my $entry= $mesg->entry(0);
- my $dn= $entry->dn;
- my @servers= $entry->get_value("gotoLdapServer");
- my @ldap_uris;
- my $server;
- my $base;
-
- # Do we need to look at an object class?
- if ($#servers < 1){
- $mesg = $ldap->search( base => $ldap_base,
- scope => 'sub',
- attrs => ['dn', 'gotoLdapServer'],
- filter => "(&(objectClass=gosaGroupOfNames)(member=$dn))");
- $mesg->code && die $mesg->error;
-
- # Sanity check
- if ($mesg->count != 1) {
- &main::daemon_log("WARNING: no LDAP information found for client mac $macaddress", 1);
- return;
- }
-
- $entry= $mesg->entry(0);
- $dn= $entry->dn;
- @servers= $entry->get_value("gotoLdapServer");
- }
-
- @servers= sort (@servers);
-
- foreach $server (@servers){
- $base= $server;
- $server =~ s%^[^:]+:[^:]+:(ldap.*://[^/]+)/.*$%$1%;
- $base =~ s%^[^:]+:[^:]+:ldap.*://[^/]+/(.*)$%$1%;
- push (@ldap_uris, $server);
- }
-
- # Unbind
- $mesg = $ldap->unbind;
-
- # Assemble data package
- my %data = ( 'ldap_uri' => \@ldap_uris, 'ldap_base' => $base,
- 'ldap_cfg' => \@ldap_cfg, 'pam_cfg' => \@pam_cfg,'nss_cfg' => \@nss_cfg );
-
- # Need to append GOto settings?
- if (defined $goto_admin and defined $goto_secret){
- $data{'goto_admin'}= $goto_admin;
- $data{'goto_secret'}= $goto_secret;
- }
-
- # Send information
- send_msg("new_ldap_config", $server_address, $address, \%data, $hostkey);
-
- return;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: execute_actions
-# PARAMETERS: msg_hash - hash - hash from function create_xml_hash
-# RETURNS: nothing
-# DESCRIPTION: invokes the script specified in msg_hash which is located under
-# /etc/gosad/actions
-#===============================================================================
-sub execute_actions {
- my ($msg_hash) = @_ ;
- my $configdir= '/etc/gosad/actions/';
- my $result;
+ # found exact 1 hit in db
+ } else {
+ my $client_events = $res->{'1'}->{'events'};
- 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: $params", 5);
+ # client is registered for this event, deliver this message to client
+ if ($client_events =~ /,$header,/) {
+ $msg =~ s/<header>gosa_/<header>/;
+ @out_msg_l = ( $msg );
- 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 ERROR: processing is aborted and message will not be forwarded", 1);
+ @out_msg_l = ();
+ } elsif ($out_msg_l[0] eq 'noeventerror') {
+ &main::daemon_log("$session_id ERROR: client '$target' is not registered for event '$header', processing is aborted", 1);
+ @out_msg_l = ();
+ }
+
+ return \@out_msg_l;
}