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diff --git a/gosa-si/gosa-si-client b/gosa-si/gosa-si-client
index 3825940a7c6235ae4a5fb9b163f62f1ecccebf45..9d3529c8b3285140a097ac9d2a6ebc72c7d67c00 100755 (executable)
--- a/gosa-si/gosa-si-client
+++ b/gosa-si/gosa-si-client
#
# FILE: gosa-server
#
-# USAGE: ./gosasc
+# USAGE: gosa-si-client
#
# DESCRIPTION:
#
# OPTIONS: ---
-# REQUIREMENTS: ---
+# REQUIREMENTS: libnetaddr-ip-perl
# BUGS: ---
# NOTES:
# AUTHOR: (Andreas Rettenberger), <rettenberger@gonicus.de>
use POSIX;
use Time::HiRes qw( gettimeofday );
-use Fcntl;
+use POE qw(Component::Server::TCP);
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);
use MIME::Base64;
-use Digest::MD5 qw(md5 md5_hex md5_base64);
use XML::Simple;
-use Data::Dumper;
-use Sys::Syslog qw( :DEFAULT setlogsock);
-use File::Spec;
-use Cwd;
-use GosaSupportDaemon;
-
-
-my ($cfg_file, %cfg_defaults, $foreground, $verbose, $pid_file, $procid, $pid, $log_file);
-my ($server_address, $server_ip, $server_port, $server_domain, $server_passwd, $server_cipher, $server_timeout);
-my ($client_address, $client_ip, $client_port, $client_mac_address);
-my ($input_socket, $rbits, $wbits, $ebits, $xml, $known_hosts);
-my (@events);
+use Net::DNS;
+
+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, $opts_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 $gotoHardwareChecksum;
+$verbose= 1;
+
+# globalise variables which are used in imported events
+our $cfg_file;
+our $server_address;
+our $client_address;
+our $server_key;
# default variables
-my $event_dir = "/etc/gosac/events";
-$known_hosts = {};
-$foreground = 0 ;
-%cfg_defaults =
-("general" =>
- {"log_file" => [\$log_file, "/var/run/".$0.".log"],
- "pid_file" => [\$pid_file, "/var/run/".$0.".pid"],
+our $REGISTERED = 0;
+my $try_to_register = 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"],
},
"client" =>
- {"client_port" => [\$client_port, "20083"],
+ {"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"],
},
-"server" =>
- {"server_ip" => [\$server_ip, ""],
- "server_port" => [\$server_port, "20081"],
- "server_passwd" => [\$server_passwd, ""],
- "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],
},
- );
+
+);
+
+
+#=== FUNCTIONS = functions =====================================================
+
+#=== FUNCTION ================================================================
+# NAME: check_cmdline_param
+# PARAMETERS:
+# RETURNS:
+# DESCRIPTION:
+#===============================================================================
+sub check_cmdline_param () {
+ my $err_config;
+ my $err_counter = 0;
+ if(not defined($cfg_file)) {
+ $cfg_file = "/etc/gosa-si/client.conf";
+ if(! -r $cfg_file) {
+ $err_config = "please specify a config file";
+ $err_counter += 1;
+ }
+ }
+ if( $err_counter > 0 ) {
+ &usage( "", 1 );
+ if( defined( $err_config)) { print STDERR "$err_config\n"}
+ print STDERR "\n";
+ exit( -1 );
+ }
+}
#=== FUNCTION ================================================================
# DESCRIPTION:
#===============================================================================
sub read_configfile {
+ my ($cfg_file, %cfg_defaults) = @_ ;
my $cfg;
if( defined( $cfg_file) && ( length($cfg_file) > 0 )) {
if( -r $cfg_file ) {
}
-#=== FUNCTION ================================================================
-# NAME: logging
-# PARAMETERS: level - string - default 'info'
-# msg - string -
-# facility - string - default 'LOG_DAEMON'
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub daemon_log {
- my( $msg, $level ) = @_;
- 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: $!";
- return }
- chomp($msg);
- if($level <= $verbose){
- print LOG_HANDLE $msg."\n";
- if(defined $foreground) { print $msg."\n" }
- }
- }
- close( LOG_HANDLE );
-# my ($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;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: check_cmdline_param
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub check_cmdline_param () {
- my $err_config;
- my $err_counter = 0;
- if( not defined( $cfg_file)) {
- #$err_config = "please specify a config file";
- #$err_counter += 1;
- my $cwd = getcwd;
- my $name = "/etc/gosa/gosa-si-client.conf";
- $cfg_file = File::Spec->catfile( $cwd, $name );
- print STDERR "no conf file specified\n try to use default: $cfg_file\n";
- }
- if( $err_counter > 0 ) {
- &usage( "", 1 );
- if( defined( $err_config)) { print STDERR "$err_config\n"}
- print STDERR "\n";
- exit( -1 );
- }
-}
-
-
#=== FUNCTION ================================================================
# NAME: check_pid
# PARAMETERS:
#=== FUNCTION ================================================================
-# NAME: get_ip_and_mac
-# PARAMETERS: nothing
-# RETURNS: (ip, mac)
-# DESCRIPTION: executes /sbin/ifconfig and parses the output, the first occurence
-# of a inet address is returned as well as the mac address in the line
-# above the inet address
-#===============================================================================
-sub get_ip_and_mac {
- my $ip = "0.0.0.0.0"; # Defualt-IP
- my $mac = "00:00:00:00:00:00"; # Default-MAC
- my @ifconfig = qx(/sbin/ifconfig);
- foreach(@ifconfig) {
- if (/Hardware Adresse (\S{2}):(\S{2}):(\S{2}):(\S{2}):(\S{2}):(\S{2})/) {
- $mac = "$1:$2:$3:$4:$5:$6";
- next;
- }
- if (/inet Adresse:(\d+).(\d+).(\d+).(\d+)/) {
- $ip = "$1.$2.$3.$4";
- last;
- }
- }
- return ($ip, $mac);
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: usage
-# PARAMETERS:
+# NAME: logging
+# PARAMETERS: level - string - default 'info'
+# msg - string -
+# facility - string - default 'LOG_DAEMON'
# RETURNS:
# DESCRIPTION:
#===============================================================================
-sub usage {
- my( $text, $help ) = @_;
- $text = undef if( "h" eq $text );
- (defined $text) && print STDERR "\n$text\n";
- if( (defined $help && $help) || (!defined $help && !defined $text) ) {
- print STDERR << "EOF" ;
-usage: $0 [-hvf] [-c config]
-
- -h : this (help) message
- -c <file> : config file
- -f : foreground, process will not be forked to background
- -v : be verbose (multiple to increase verbosity)
-EOF
- }
- print "\n" ;
-}
-
-#=== FUNCTION ================================================================
-# NAME: get_server_addresses
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub get_server_addresses {
- my $domain= shift;
- my @result;
- my $dig_cmd= 'dig +nocomments srv _gosad._tcp.'.$domain;
-
- my $output= `$dig_cmd 2>&1`;
- open (PIPE, "$dig_cmd 2>&1 |");
- while(<PIPE>) {
- 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++;
+sub daemon_log {
+ # log into log_file
+ my( $msg, $level ) = @_;
+ 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: $!";
+ return }
+ chomp($msg);
+ if($level <= $verbose){
+ my ($seconds, $minutes, $hours, $monthday, $month,
+ $year, $weekday, $yearday, $sommertime) = localtime(time);
+ $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+ $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+ $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+ my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
+ $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";
+ print LOG_HANDLE $log_msg;
+ if( $foreground ) {
+ print STDERR $log_msg;
}
}
- }
+ close( LOG_HANDLE );
}
- close(PIPE);
- return @result;
+#log into syslog
+# my ($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, $msg);
+# closelog;
+# return;
}
#=== FUNCTION ================================================================
-# NAME: register_at_server
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
+# NAME: get_interfaces
+# PARAMETERS: none
+# RETURNS: (list of interfaces)
+# DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
#===============================================================================
-sub register_at_server {
- my ($tmp) = @_;
-
- # create new passwd and ciphering object for client-server communication
- my $new_server_passwd = &create_passwd();
- my $new_server_cipher;
-
- # detect all client accepted events
- opendir(DIR, $event_dir)
- or daemon_log("cannot find directory $event_dir!\ngosac starts without any accepting events!", 1);
- my $file_name;
- @events = ();
- while(defined($file_name = readdir(DIR))){
- if ($file_name eq "." || $file_name eq "..") {
- next;
- }
- push(@events, $file_name);
- }
- my $events = join(",", @events);
- daemon_log("found events: $events", 1);
-
- # fill in all possible servers
- my @servers;
- if (defined $server_domain) {
- my @tmp_servers = &get_server_addresses($server_domain);
- foreach my $server (@tmp_servers) { unshift(@servers, $server); }
- }
- # add server address from config file at first position of server list
- if (defined $server_address) {
- unshift(@servers, $server_address);
- }
- daemon_log("found servers in configuration file and via DNS:", 5);
- foreach my $server (@servers) {
- daemon_log("\t$server", 5);
- }
+sub get_interfaces {
+ my @result;
+ my $PROC_NET_DEV= ('/proc/net/dev');
- my ($rout, $wout, $reg_server);
- foreach my $server (@servers) {
- # create msg hash
- my $register_hash = &create_xml_hash("here_i_am", $client_address, $server);
- &add_content2xml_hash($register_hash, "new_passwd", $new_server_passwd);
- &add_content2xml_hash($register_hash, "client_mac_address", $client_mac_address);
- &add_content2xml_hash($register_hash, "events", $events);
+ open(PROC_NET_DEV, "<$PROC_NET_DEV")
+ or die "Could not open $PROC_NET_DEV";
- # send xml hash to server with general server passwd
- my $answer = &send_msg_hash2address($register_hash, $server, $server_passwd);
-
- # sending fails, no sens to wait for response
- if ($answer ne "done") { next; }
-
- # waiting for response
- daemon_log("waiting for response...\n", 5);
- my $nf = select($rout=$rbits, $wout=$wbits, undef, $server_timeout);
-
- # something is coming in
- if(vec $rout, fileno $input_socket, 1) {
- my $crypted_msg;
- my $client = $input_socket->accept();
- my $other_end = getpeername($client);
- if(not defined $other_end) {
- daemon_log("client cannot be identified: $!\n");
- } else {
- my ($port, $iaddr) = unpack_sockaddr_in($other_end);
- my $actual_ip = inet_ntoa($iaddr);
- daemon_log("\naccept client from $actual_ip\n", 5);
- my $in_msg = &read_from_socket($client);
- if(defined $in_msg){
- chomp($in_msg);
- $crypted_msg = $in_msg;
- } else {
- daemon_log("cannot read from $actual_ip\n", 5);
- }
- }
- close($client);
-
- # validate acknowledge msg from server
- $new_server_cipher = &create_ciphering($new_server_passwd);
- my $msg_hash;
- eval {
- my $decrypted_msg = &decrypt_msg($crypted_msg, $new_server_cipher);
- daemon_log("decrypted register msg: $decrypted_msg", 5);
- $msg_hash = $xml->XMLin($decrypted_msg, ForceArray=>1);
- };
- if($@) {
- daemon_log("ERROR: do not understand the incoming message:" , 5);
- daemon_log("$@", 7);
- } else {
- my $header = &get_content_from_xml_hash($msg_hash, "header");
- if($header eq "registered") {
- $reg_server = $server;
- last;
- } elsif($header eq "denied") {
- my $reason = (&get_content_from_xml_hash($msg_hash, "denied"))[0];
- daemon_log("registration at $server denied: $reason", 1);
- } else {
- daemon_log("cannot register at $server", 1);
- }
- }
- }
- # kommt antwort nicht, dann probiere es mit dem nächsten in der liste
+ my @ifs = <PROC_NET_DEV>;
- }
-
- if(defined $reg_server) {
- daemon_log("registered at $reg_server", 1);
- } else {
- daemon_log("cannot register at any server", 1);
- daemon_log("exiting!!!", 1);
- exit(1);
+ 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;
}
- # update the global available variables
- $server_address = $reg_server;
- $server_passwd = $new_server_passwd;
- $server_cipher = $new_server_cipher;
- return;
+ return @result;
}
-
#=== FUNCTION ================================================================
-# NAME: create_xml_hash
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
+# NAME: get_mac
+# PARAMETERS: interface name (i.e. eth0)
+# RETURNS: (mac address)
+# DESCRIPTION: Uses ioctl to get mac address directly from system.
#===============================================================================
-sub create_xml_hash {
- my ($header, $source, $target, $header_value) = @_;
- my $hash = {
- header => [$header],
- source => [$source],
- target => [$target],
- $header => [$header_value],
- };
- daemon_log("create_xml_hash:", 7),
- chomp(my $tmp = Dumper $hash);
- daemon_log("\t$tmp\n", 7);
- return $hash
+sub get_mac {
+ my $ifreq= shift;
+ my $result;
+ if ($ifreq && length($ifreq) > 0) {
+ if($ifreq eq "all") {
+ if(defined($server_ip)) {
+ $result = &get_local_mac_for_remote_ip($server_ip);
+ }
+ elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
+ $result = &client_mac_address;
+ }
+ else {
+ $result = "00:00:00:00:00:00";
+ }
+ } else {
+ my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
+
+ # A configured MAC Address should always override a guessed value
+ if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
+ $result= $client_mac_address;
+ }
+ else {
+ socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
+ or die "socket: $!";
+
+ if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
+ my ($if, $mac)= unpack 'h36 H12', $ifreq;
+
+ if (length($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 $result;
}
#=== FUNCTION ================================================================
-# NAME: create_xml_string
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
+# NAME: get_interface_for_ip
+# PARAMETERS: ip address (i.e. 192.168.0.1)
+# RETURNS: array: list of interfaces if ip=0.0.0.0, matching interface if found, undef else
+# DESCRIPTION: Uses proc fs (/proc/net/dev) to get list of interfaces.
#===============================================================================
-sub create_xml_string {
- my ($xml_hash) = @_ ;
- my $xml_string = $xml->XMLout($xml_hash, RootName => 'xml');
- $xml_string =~ s/[\n]+//g;
- daemon_log("create_xml_string:\n\t$xml_string\n", 7);
- return $xml_string;
+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") {
+ $result = "all";
+ } else {
+ foreach (@ifs) {
+ my $if=$_;
+ if(get_ip($if) eq $ip) {
+ $result = $if;
+ last;
+ }
+ }
+ }
+ }
+ return $result;
}
#=== FUNCTION ================================================================
-# NAME: add_content2xml_hash
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
+# NAME: get_ip
+# PARAMETERS: interface name (i.e. eth0)
+# RETURNS: (ip address)
+# DESCRIPTION: Uses ioctl to get ip address directly from system.
#===============================================================================
-sub add_content2xml_hash {
- my ($xml_ref, $element, $content) = @_;
- if(not exists $$xml_ref{$element} ) {
- $$xml_ref{$element} = [];
+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;
+ }
}
- my $tmp = $$xml_ref{$element};
- push(@$tmp, $content);
- return;
+
+ return $result;
}
#=== FUNCTION ================================================================
-# NAME: get_content_from_xml_hash
-# PARAMETERS: ref : reference to the xml hash
-# string: key of the value you want
-# RETURNS: STRING AND ARRAY
-# DESCRIPTION: if key of the hash is either 'header', 'target' or 'source' the
-# function returns a string cause it is expected that these keys
-# do just have one value, all other keys returns an array!!!
+# NAME: get_local_mac_for_remote_ip
+# PARAMETERS: none (takes server_ip from global variable)
+# RETURNS: (ip address from interface that is used for communication)
+# DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
+# matches (defaultroute last).
#===============================================================================
-sub get_content_from_xml_hash {
- my ($xml_ref, $element) = @_;
- my $result = $xml_ref->{$element};
- if( $element eq "header" || $element eq "target" || $element eq "source") {
- return @$result[0];
- }
- return @$result;
+sub get_local_mac_for_remote_ip {
+ 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 = <PROC_NET_ROUTE>;
+
+ 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;
}
-# my ($xml_ref, $element) = @_;
-# if (exists $xml_ref->{$element}) {
-# my $result = $xml_ref->{$element};
-# if( $element eq "header" || $element eq "target" || $element eq "source") {
-# return @$result[0];
-# } else {
-# return @$result;
-# }
-#
-# } else {
-# my $result = ();
-# return @$result;
-# }
-#}
+sub get_local_ip_for_remote_ip {
+ my $server_ip= shift;
+ my $result="0.0.0.0";
+
+ 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 = <PROC_NET_ROUTE>;
+
+ 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);
+ }
+ return $result;
+}
+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 $release= "";
+ 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 ($key =~ /^release$/) {
+ $release= $element;
+ next;
+ }
+ }
+ }
-#=== FUNCTION ================================================================
-# NAME: encrypt_msg
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub encrypt_msg {
- my ($msg, $my_cipher) = @_;
- if(not defined $my_cipher) { print "no cipher object\n"; }
- $msg = "\0"x(16-length($msg)%16).$msg;
- my $crypted_msg = $my_cipher->encrypt($msg);
- chomp($crypted_msg = &encode_base64($crypted_msg));
- return $crypted_msg;
-}
+ # 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 "RELEASE=\"$release\"\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;
-#=== FUNCTION ================================================================
-# NAME: decrypt_msg
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub decrypt_msg {
- my ($crypted_msg, $my_cipher) = @_ ;
- $crypted_msg = &decode_base64($crypted_msg);
- my $msg = $my_cipher->decrypt($crypted_msg);
- $msg =~ s/\0*//g;
- return $msg;
}
-#=== FUNCTION ================================================================
-# NAME: create_ciphering
-# PARAMETERS:
-# RETURNS: cipher object
-# DESCRIPTION:
-#===============================================================================
-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 generate_hw_digest {
+ my $hw_data;
+ foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
+ $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
+ }
+ return(md5_base64($hw_data));
}
-#=== FUNCTION ================================================================
-# NAME: create_passwd
-# PARAMETERS:
-# RETURNS: cipher object
-# DESCRIPTION:
-#===============================================================================
sub create_passwd {
my $new_passwd = "";
for(my $i=0; $i<31; $i++) {
}
+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 @hits;
+
+ if ($query) {
+ foreach my $rr ($query->answer) {
+ push(@hits, $rr->target.":".$rr->port);
+ }
+ }
+ else {
+ #warn "query failed: ", $res->errorstring, "\n";
+ $error++;
+ }
+
+ if( $error == 0 ) {
+ foreach my $hit (@hits) {
+ my ($hit_name, $hit_port) = split(/:/, $hit);
+
+ my $address_query = $res->send($hit_name);
+ if( 1 == length($address_query->answer) ) {
+ foreach my $rr ($address_query->answer) {
+ push(@result, $rr->address.":".$hit_port);
+ }
+ }
+ }
+ }
+
+# my $dig_cmd= 'dig +nocomments srv _gosad._tcp.'.$domain;
+#
+# my $output= `$dig_cmd 2>&1`;
+# open (PIPE, "$dig_cmd 2>&1 |");
+# while(<PIPE>) {
+# 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
-# PARAMETERS: msg string - xml message
+# 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) = @_ ;
+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);
+
+ return $error;
+}
- # fetch header for logging
- my $header = @{$msg_hash->{header}}[0];
- # generiere xml string
- my $msg_xml = &create_xml_string($msg_hash);
+sub send_msg_to_target {
+ my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
+ my $error = 0;
- # hole das entsprechende passwd aus dem hash
- if(not defined $passwd) {
- if(exists $known_hosts->{$address}) {
- $passwd = $known_hosts->{$address}->{passwd};
- } elsif ($address eq $server_address) {
- $passwd = $server_passwd;
- } else {
- daemon_log("$address not known, neither as server nor as client", 1);
- return "failed";
- }
+ if( $msg_header ) {
+ $msg_header = "'$msg_header'-";
+ }
+ else {
+ $msg_header = "";
}
-
- # erzeuge ein ciphering object
- my $act_cipher = &create_ciphering($passwd);
# encrypt xml msg
- my $crypted_msg = &encrypt_msg($msg_xml, $act_cipher);
+ my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
- # öffne socket
+ # opensocket
my $socket = &open_socket($address);
- if(not defined $socket){
- daemon_log("cannot open socket to $address, server not reachable", 1);
- daemon_log("cannot send '$header'-msg", 1);
- return "failed";
+ if( !$socket ) {
+ daemon_log("cannot send ".$msg_header."msg to $address , host not reachable", 1);
+ $error++;
}
+
+ if( $error == 0 ) {
+ # send xml msg
+ print $socket $crypted_msg."\n";
- # versende xml msg
- print $socket $crypted_msg."\n";
+ daemon_log("send ".$msg_header."msg to $address", 1);
+ daemon_log("message:\n$msg", 8);
- # schließe socket
- close $socket;
+ }
- daemon_log("send '$header'-msg to $address", 5);
- daemon_log("crypted_msg:\n\t$crypted_msg", 7);
+ # close socket in any case
+ if( $socket ) {
+ close $socket;
+ }
- return "done";
+ return $error;
+}
+
+
+sub write_to_file {
+ my ($string, $file) = @_;
+ my $error = 0;
+
+ if( not defined $file || not -f $file ) {
+ &main::daemon_log("ERROR: $0: 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);
+ $error++;
+ }
+
+ if( $error == 0 ) {
+
+ chomp($string);
+
+ open(FILE, ">> $file");
+ print FILE $string."\n";
+ close(FILE);
+ }
+
+ return;
}
-#=== 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:
-#===============================================================================
sub open_socket {
my ($PeerAddr, $PeerPort) = @_ ;
if(defined($PeerPort)){
$PeerAddr = $PeerAddr.":".$PeerPort;
}
my $socket;
- $socket = new IO::Socket::INET(PeerAddr => $PeerAddr ,
- Porto => "tcp" ,
+ $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
+ Porto => "tcp",
Type => SOCK_STREAM,
Timeout => 5,
);
if(not defined $socket) {
- #daemon_log("cannot connect to socket at $PeerAddr, $@\n");
return;
}
- daemon_log("open_socket:\n\t$PeerAddr", 7);
+ &daemon_log("open_socket: $PeerAddr", 7);
return $socket;
}
#=== FUNCTION ================================================================
-# NAME: read_from_socket
-# PARAMETERS: socket fh -
-# RETURNS: result string - readed characters from socket
-# DESCRIPTION: reads data from socket in 16 byte steps
+# NAME: register_at_server
+# PARAMETERS:
+# RETURNS:
+# DESCRIPTION:
#===============================================================================
-sub read_from_socket {
- my ($socket) = @_;
- my $result = "";
+sub register_at_gosa_si_server {
+ my ($kernel) = $_[KERNEL];
+
+ 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) {
+
+ # 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
+ 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-error-dns:Could not resolve hostname for ip $ip", $fai_logpath);
+ exit(1);
+ } else {
+ $dnsname=$dnsresult->{answer}[0]->{ptrdname};
+ }
+
+ # 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, "gotoHardwareChecksum", $gotoHardwareChecksum);
+
+ # 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) {
+ # Set fixed client address
+ $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
+ $client_address= "$client_ip:$client_port";
+
+ # Write the MAC address to file
+ if(stat($opts_file)) {
+ unlink($opts_file);
+ }
+ my $opts_file_FH;
+ open($opts_file_FH, ">$opts_file");
+ print $opts_file_FH "MAC=\"$local_mac\"\n";
+ print $opts_file_FH "IPADDRESS=\"$client_ip\"\n";
+ print $opts_file_FH "HOSTNAME=\"$dnsname\"\n";
+ close($opts_file_FH);
+ last;
+ } else {
+ # wait 1 sec until trying to register again
+ sleep(1);
+ next;
+ }
+ }
- $socket->blocking(1);
- $result = <$socket>;
+
- $socket->blocking(0);
- while ( my $char = <$socket> ) {
- if (not defined $char) { last }
- $result .= $char;
+ 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);
}
- return $result;
-
-
-
-# my ($socket) = @_;
-# my $result = "";
-# my $len = 16;
-# while($len == 16){
-# my $char;
-# $len = sysread($socket, $char, 16);
-# if($len != 16) { last }
-# if($len != 16) { last }
-# $result .= $char;
-# }
-# return $result;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME: print_known_hosts_hash
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub print_known_hosts_hash {
- my ($tmp) = @_;
- print "####################################\n";
- print "# status of known_hosts\n";
- my $hosts;
- my $host_hash;
- my @hosts = keys %$known_hosts;
- foreach my $host (@hosts) {
- #my @elements = keys %$known_hosts->{$host};
- my $status = $known_hosts->{$host}->{status} ;
- my $passwd = $known_hosts->{$host}->{passwd};
- my $timestamp = $known_hosts->{$host}->{timestamp};
- print "$host\n";
- print "\t$status\n";
- print "\t$passwd\n";
- print "\t$timestamp\n";
- }
- print "####################################\n";
return;
}
-
-#=== FUNCTION ================================================================
-# NAME:
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub create_known_hosts_entry {
- my ($hostname) = @_;
- $known_hosts->{$hostname} = {};
- $known_hosts->{$hostname}->{status} = "none";
- $known_hosts->{$hostname}->{passwd} = "none";
- $known_hosts->{$hostname}->{timestamp} = "none";
- return;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME:
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub update_known_hosts_entry {
- my ($hostname, $status, $passwd, $timestamp) = @_;
- my ($seconds, $minutes, $hours, $monthday, $month,
- $year, $weekday, $yearday, $sommertime) = localtime(time);
- $hours = $hours < 10 ? $hours = "0".$hours : $hours;
- $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
- $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
- $month+=1;
- $month = $month < 10 ? $month = "0".$month : $month;
- $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
- $year+=1900;
- my $t = "$year$month$monthday$hours$minutes$seconds";
-
- if($status) {
- $known_hosts->{$hostname}->{status} = $status;
- }
- if($passwd) {
- $known_hosts->{$hostname}->{passwd} = $passwd;
- }
- if($timestamp) {
- $t = $timestamp;
- }
- $known_hosts->{$hostname}->{timestamp} = $t;
- return;
-}
-
-
-#=== FUNCTION ================================================================
-# NAME:
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub add_content2known_hosts {
- my ($hostname, $element, $content) = @_;
- my ($seconds, $minutes, $hours, $monthday, $month,
- $year, $weekday, $yearday, $sommertime) = localtime(time);
- $hours = $hours < 10 ? $hours = "0".$hours : $hours;
- $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
- $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
- $month+=1;
- $month = $month < 10 ? $month = "0".$month : $month;
- $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
- $year+=1900;
- my $t = "$year$month$monthday$hours$minutes$seconds";
- $known_hosts->{$hostname}->{$element} = $content;
- $known_hosts->{$hostname}->{timestamp} = $t;
- 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";
-#=== FUNCTION ================================================================
-# NAME:
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub process_incoming_msg {
- my ($crypted_msg) = @_;
- if(not defined $crypted_msg) {
- 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);
- daemon_log("msg from host:", 1);
- daemon_log("\t$host", 1);
- daemon_log("crypted msg:", 7);
- daemon_log("\t$crypted_msg", 7);
-
- my $act_cipher = &create_ciphering($server_passwd);
-
- # try to decrypt incoming msg
- my ($msg, $msg_hash);
+ my $msg;
+ my $msg_hash;
eval{
- $msg = &decrypt_msg($crypted_msg, $act_cipher);
+ $msg = &decrypt_msg($crypted_msg, $module_key);
+ &main::daemon_log("decrypted_msg: \n$msg", 8);
+
$msg_hash = $xml->XMLin($msg, ForceArray=>1);
- };
- if($@) {
- daemon_log("ERROR: incoming msg cannot be decrypted with server passwd", 1);
- return;
- }
- my $header = &get_content_from_xml_hash($msg_hash, "header");
-
- daemon_log("header from msg:", 1);
- daemon_log("\t$header", 1);
- daemon_log("msg to process:", 7);
- daemon_log("\t$msg", 7);
-
- #check whether msg to process is a event
- opendir(DIR, $event_dir)
- or daemon_log("cannot find directory $event_dir, no events specified", 5);
- my $file_name;
- while(defined($file_name = readdir(DIR))){
- if ($file_name eq "." || $file_name eq "..") {
- next;
+ # check header
+ my $header_l = $msg_hash->{'header'};
+ if( 1 != @{$header_l} ) {
+ die 'no or more headers specified';
}
- if ($file_name eq $header) {
- my $cmd = "$event_dir/$file_name '$msg'";
- my $result_xml = "";
- open(PIPE, "$cmd 2>&1 |");
- while(<PIPE>) {
- $result_xml.=$_;
- last;
- }
- close(PIPE);
- my $res_hash = &transform_msg2hash($result_xml);
- my $res_target = @{$res_hash->{target}}[0];
- &send_msg_hash2address($res_hash, $server_address);
-
- return;
+ my $header = @{$header_l}[0];
+ if( 0 == length $header) {
+ die 'header has length 0';
}
- }
- close(DIR);
- daemon_log("could not assign the msg $header to an event", 5);
-
-
- if ($header eq 'new_ldap_config') { &new_ldap_config($msg_hash)}
- elsif ($header eq 'ping') { &got_ping($msg_hash) }
- elsif ($header eq 'wake_up') { &execute_event($msg_hash)}
- elsif ($header eq 'new_passwd') { &new_passwd()}
- else { daemon_log("ERROR: no function assigned to msg $header", 5) }
+ # check source
+ my $source_l = $msg_hash->{'source'};
+ if( 1 != @{$source_l} ) {
+ die 'no or more sources specified';
+ }
+ my $source = @{$source_l}[0];
+ if( 0 == length $source) {
+ die 'source has length 0';
+ }
- return;
-}
+ # check target
+ my $target_l = $msg_hash->{'target'};
+ if( 1 != @{$target_l} ) {
+ die 'no or more targets specified ';
+ }
+ my $target = @{$target_l}[0];
+ if( 0 == length $target) {
+ die 'target has length 0 ';
+ }
+ };
+ if($@) {
+ &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
+ &main::daemon_log("$@", 8);
+ }
-#=== FUNCTION ================================================================
-# NAME:
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub update_status {
- my ($new_status) = @_ ;
- my $out_hash = &create_xml_hash("update_status", $client_address, $server_address);
- &add_content2xml_hash($out_hash, "update_status", $new_status);
- &send_msg_hash2address($out_hash, $server_address);
- return;
+ return ($msg, $msg_hash);
}
-#=== FUNCTION ================================================================
-# NAME:
-# PARAMETERS:
-# RETURNS:
-# DESCRIPTION:
-#===============================================================================
-sub server_leaving {
- my ($msg_hash) = @_ ;
- my $source = &get_content_from_xml_hash("source");
- my $header = &get_content_from_xml_hash("header");
-
- daemon_log("gosa daemon $source is going down, cause registration procedure", 1);
- my $server_address = "none";
- my $server_passwd = "none";
- my $server_cipher = "none";
+sub import_events {
- # reinitialization of default values in config file
- &read_configfile;
-
- # registrated at new daemon
- ®ister_at_server();
-
- return;
-}
+ if (not -e $event_dir) {
+ daemon_log("ERROR: cannot find directory or directory is not readable: $event_dir", 1);
+ }
+ opendir (DIR, $event_dir) or die "ERROR while loading gosa-si-events from directory $event_dir : $!\n";
+ while (defined (my $event = readdir (DIR))) {
+ if( $event eq "." || $event eq ".." ) { next; }
-sub got_ping {
- my ($msg_hash) = @_ ;
+ eval{ require $event; };
+ if( $@ ) {
+ daemon_log("ERROR: import of event module '$event' failed", 1);
+ daemon_log("$@", 8);
+ next;
+ }
- my $source = &get_content_from_xml_hash($msg_hash, 'source');
- my $target = &get_content_from_xml_hash($msg_hash, 'target');
- my $header = &get_content_from_xml_hash($msg_hash, 'header');
-
- &add_content2known_hosts(hostname=>$target, status=>$header);
-
- my $out_hash = &create_xml_hash("got_ping", $target, $source);
- &send_msg_hash2address($out_hash, $source, $server_passwd);
+ $event =~ /(\S*?).pm$/;
+ my $event_module = $1;
+ my $events_l = eval( $1."::get_events()") ;
+ foreach my $event_name (@{$events_l}) {
+ $event_hash->{$event_name} = $event_module;
+ }
- return;
+ }
}
+sub trigger_new_key {
+ my ($kernel) = $_[KERNEL] ;
-sub new_ldap_config {
- my ($msg_hash) = @_ ;
+ my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
+ &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
- my @gotoLdapServer = &get_content_from_xml_hash($msg_hash, "new_ldap_config");
- print Dumper @gotoLdapServer;
+ $kernel->delay_set('trigger_new_key', $server_key_lifetime);
+}
- return;
+sub _start {
+ my ($kernel) = $_[KERNEL];
+ $kernel->alias_set('client_session');
+ $kernel->yield('register_at_gosa_si_server');
}
-sub execute_event {
- my ($msg_hash)= @_;
- my $configdir= '/etc/gosac/events/';
- my $result;
+sub server_input {
+ my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1];
+ my $error = 0;
+ my $answer;
+
+ daemon_log("Incoming msg:\n$input\n", 8);
- my $header = &get_content_from_xml_hash($msg_hash, 'header');
- my $source = &get_content_from_xml_hash($msg_hash, 'source');
- my $target = &get_content_from_xml_hash($msg_hash, 'target');
+ my ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key);
+ if( (!$msg) || (!$msg_hash) ) {
+ daemon_log("Deciphering of incoming msg failed", 5);
+ $error++;
+ }
- if((not defined $source)
- && (not defined $target)
- && (not defined $header)) {
- daemon_log("ERROR: Entries missing in XML msg for gosa events under /etc/gosac/events");
- } else {
- my $parameters="";
- my @params = &get_content_from_xml_hash($msg_hash, $header);
- my $params = join(", ", @params);
- daemon_log("execute_event: got parameters: $params", 5);
-
- if (@params) {
- foreach my $param (@params) {
- my $param_value = (&get_content_from_xml_hash($msg_hash, $param))[0];
- daemon_log("execute_event: parameter -> value: $param -> $param_value", 7);
- $parameters.= " ".$param_value;
- }
- }
+ ######################
+ # process incoming msg
+ if( $error == 0 ) {
+ my $header = @{$msg_hash->{header}}[0];
+ my $source = @{$msg_hash->{source}}[0];
- my $cmd= $configdir.$header."$parameters";
- daemon_log("execute_event: executing cmd: $cmd", 7);
- $result= "";
- open(PIPE, "$cmd 2>&1 |");
- while(<PIPE>) {
- $result.=$_;
+ 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);
+ 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);
}
- close(PIPE);
}
- # process the event result
-
+ ########
+ # 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;
+ }
+ }
return;
}
-
-sub new_passwd {
- # my ($msg_hash) = @_ ;
- my $new_server_passwd = &create_passwd();
- my $new_server_cipher = &create_ciphering($new_server_passwd);
-
- my $out_hash = &create_xml_hash("new_passwd", $client_address, $server_address, $new_server_passwd);
-
- &send_msg_hash2address($out_hash, $server_address, $server_passwd);
-
- $server_passwd = $new_server_passwd;
- $server_cipher = $new_server_cipher;
- return;
-}
-
-
-
-
#==== MAIN = main ==============================================================
-
# parse commandline options
Getopt::Long::Configure( "bundling" );
GetOptions("h|help" => \&usage,
# read and set config parameters
&check_cmdline_param ;
-&read_configfile;
+&read_configfile($cfg_file, %cfg_defaults);
&check_pid;
-# restart daemon log file
-if(-e $log_file ) { unlink $log_file }
-daemon_log("started!");
-# Just fork, if we"re not in foreground mode
-if( ! $foreground ) { $pid = fork(); }
-else { $pid = $$; }
+# 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: $!";
+}
+
+# Just fork, if we are not in foreground mode
+if( ! $foreground ) {
+ chdir '/' or die "Can't chdir to /: $!";
+ $pid = fork;
+ setsid or die "Can't start a new session: $!";
+ umask 0;
+}
+else {
+ $pid = $$;
+}
# Do something useful - put our PID into the pid_file
if( 0 != $pid ) {
open( LOCK_FILE, ">$pid_file" );
print LOCK_FILE "$pid\n";
close( LOCK_FILE );
- if( !$foreground ) { exit( 0 ) };
+ if( !$foreground ) {
+ exit( 0 )
+ };
}
-# detect own ip and mac address
-($client_ip, $client_mac_address) = &get_ip_and_mac();
-if (not defined $client_ip) {
- die "EXIT: ip address of $0 could not be detected";
-}
-daemon_log("client ip address detected: $client_ip", 1);
-daemon_log("client mac address detected: $client_mac_address", 1);
+daemon_log(" ", 1);
+daemon_log("$0 started!", 1);
-# prepare variables
-if (defined $server_ip && defined $server_port) {
- $server_address = $server_ip.":".$server_port;
-}
-$client_address = $client_ip.":".$client_port;
+# delete old DBsqlite lock files
+system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
-# setup xml parser
-$xml = new XML::Simple();
+# detect ip and mac address and complete host address
+$client_address = $client_ip.":".$client_port;
+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);
+daemon_log("gosa-si-client mac address detected: $client_mac_address", 1);
-# create input socket
-$rbits = $wbits = $ebits = "";
-$input_socket = IO::Socket::INET->new(LocalPort => $client_port,
- Type => SOCK_STREAM,
- Reuse => 1,
- Listen => 20,
- );
-if(not defined $input_socket){
- daemon_log("cannot be a tcp server at $client_port : $@\n");
-} else {
- daemon_log("start server:\n\t$server_ip:$client_port",1) ;
- vec($rbits, fileno $input_socket, 1) = 1;
- vec($wbits, fileno $input_socket, 1) = 1;
-}
-# register at server
-®ister_at_server();
+# import events
+&import_events();
-##############
-# Debugging
-#############
-#sleep(2);
-#&update_status("ich_bin_ein_neuer_status");
+# compute hardware checksum
+$gotoHardwareChecksum= &generate_hw_digest();
+daemon_log("gosa-si-client gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
-###################################
-#everything ready, okay, lets start
-###################################
-while(1) {
- my ($rout, $wout);
- my $nf = select($rout=$rbits, $wout=$wbits, undef, undef);
- # error handling
- if($nf < 0 ) {
- }
+# create socket for incoming xml messages
+POE::Component::Server::TCP->new(
+ Alias => 'gosa-si-client',
+ Port => $client_port,
+ ClientInput => \&server_input,
+);
+daemon_log("start socket for incoming xml messages at port '$client_port' ", 1);
- # something is coming in
- if(vec $rout, fileno $input_socket, 1) {
- my $client = $input_socket->accept();
- my $other_end = getpeername($client);
-
- if(not defined $other_end) {
- daemon_log("client cannot be identified: $!");
- } else {
- my ($port, $iaddr) = unpack_sockaddr_in($other_end);
- my $actual_ip = inet_ntoa($iaddr);
- daemon_log("accept client from $actual_ip", 5);
- my $in_msg = &read_from_socket($client);
- if(defined $in_msg){
- chomp($in_msg);
- $in_msg = $in_msg.".".$actual_ip;
- &process_incoming_msg($in_msg);
- }
- }
+# prepare variables
+if (defined $server_ip && defined $server_port) {
+ $server_address = $server_ip.":".$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
+if (defined $server_address) {
+ unshift(@servers, $server_address);
+ my $servers_string = join(", ", @servers);
+ daemon_log("found servers in configuration file: $servers_string", 5);
+}
+else {
+ if ( !$server_domain) {
+ daemon_log("ERROR: please specify a gosa-si-server address or a domain in config file", 1);
+ exit( 1 );
+ }
+ my @tmp_servers = &get_server_addresses($server_domain);
+ foreach my $server (@tmp_servers) {
+ unshift(@servers, $server);
}
+ my $servers_string = join(", ", @servers);
+ daemon_log("found servers in DNS: $servers_string", 5);
}
-
+
+POE::Session->create(
+ inline_states => {
+ _start => \&_start,
+ register_at_gosa_si_server => \®ister_at_gosa_si_server,
+ trigger_new_key => \&trigger_new_key,
+ }
+);
+
+POE::Kernel->run();
+exit;
+