mgaonline - Mageia Desktop Applet

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Diffstat (limited to 'po/el.po')

-rw-r--r--

1 files changed, 20 insertions, 4 deletions

package Discover; # $Id$ ################################################################################ # Part of Mandriva Online # # Online service discovery library: # # - autodetects nameservers and domains, # # - and checks for DNS-declared Online service, # # # # Check http://www.dns-sd.org/ # # # # Copyright (C) 2005 Mandriva # # # # Romain d'Alverny <rdalverny at mandriva dot com> # # # # This program is free software; you can redistribute it and/or modify # # it under the terms of the GNU General Public License Version 2 as # # published by the Free Software Foundation. # # # # This program is distributed in the hope that it will be useful, # # but WITHOUT ANY WARRANTY; without even the implied warranty of # # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # # GNU General Public License for more details. # # # # You should have received a copy of the GNU General Public License # # along with this program; if not, write to the Free Software # # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ################################################################################ use strict; use Net::DNS; use Data::Dumper; use MDK::Common; use Config::Auto; # CPAN Module. Seems not to be part of Mandriva packages yet. use Switch; use Log::Agent; # use settings from main file my $VERSION = '0.01'; # sub new { my $self = {}; bless $self, "Discover"; logsay "DNS Service Discovery module $VERSION"; return $self; } # sub init { my $this = shift; $this->{domainname} = ''; $this->{zone} = ''; $this->{service} = ''; $this->{nameserver} = ''; $this->{instance} = ''; } # sub commify_series { (@_ == 0) ? '' : (@_ == 1) ? $_[0] : (@_ == 2) ? join(" and ", @_) : join(", ", @_[0 .. ($#_-1)], "and $_[-1]"); } # sub search { my $this = shift; logsay "searching for a locally declared Mandriva Online service"; my $resolv = Config::Auto::parse('/etc/resolv.conf'); my $servicetype = '_mdvonline._http._tcp.bonjour.'; my (@domains, @services); ! defined $resolv and logerr "No config found from /etc/resolv.conf.", return 0; defined $resolv->{domain} and @domains = $resolv->{domain}; defined $resolv->{search} and push @domains, @{$resolv->{search}}; @domains = uniq(@domains); for my $domain ( @domains ) { push( @services, $servicetype . $domain ); } logsay "found domains: " . commify_series(@domains); logsay "found nameservers: " . commify_series(@{$resolv->{nameserver}}); # for dev. @{$resolv->{nameserver}} = qw(localhost); # will try each nameserver listed foreach my $ns ( @{$resolv->{nameserver}} ) { # for each possible service/domain foreach my $serv ( @services ) { logsay "trying ns $ns, service $serv"; my $ret = $this->find_service( $ns, $serv ); $ret and logsay "service found", return $ret; } } logwarn "no dns-declared service found"; return 0; }; # NOTE. here it is suppposed that for a given Service instance (PTR), # there is only _one_ SRV record and _one_ TXT record matches. # If there are more, no particular behaviour is expected as for now. # NOTE. replace this code with a wrapper around dig? sub find_service { my ($this, $nameserver, $service) = @_; my $return; # lower the values to make it faster to give up my $retry = 2; # default is 120 my $retrans = 2; # default is 5 logsay "retry rate is set to $retry; retrans rate is set to $retrans"; my $res = Net::DNS::Resolver->new( retry => $retry, retrans => $retrans, #debug => 1 ); # TODO make sure the nameserver answers, or set a timeout. $res->nameservers( $nameserver ); # 1. search for any PTR record matching the service name logsay "ns $nameserver: PTR $service ?"; my $query = $res->query( $service, 'PTR' ); my $instanceName; if( $query ) { # TODO better parsing of the struct my $rr = $query->{answer}[0]; ! defined $rr and logerr "not expected format found in PTR record.", return 0; $instanceName = $rr->ptrdname; $instanceName =~ s/\\032/ /g; logsay "found '$instanceName'"; $this->{serviceInstanceName} = $instanceName; } else { logwarn "no PTR record found."; logwarn $res->errorstring; return 0; } # 2. for each service instance found, look up for SRV/TXT records. logsay "ns $nameserver: SRV '$instanceName' ?"; $query = $res->query( $instanceName, 'SRV' ); if( $query ) { my $rr = $query->{answer}[0]; logsay "yes: " . $rr->target . ":" . $rr->port; $this->{server} = { priority => $rr->priority, weight => $rr->weight, port => $rr->port, host => $rr->target }; $return->{server} = $this->{server}; } else { logwarn "no matching SRV record found."; logwarn $res->errorstring; return 0; } logsay "ns $nameserver: TXT '$instanceName' ?"; $query = $res->query( $instanceName, 'TXT' ); if( $query ) { my $rr = $query->{answer}[0]; logsay "yes: " . join(', ', $rr->char_str_list() ); $return->{config} = $this->parse_txt_config( $rr->char_str_list() ); ! defined $return->{config} and logwarn "But no config found.", return 0; } else { logwarn "No matching TXT record found."; logwarn $res->errorstring; return 0; } return $return; }; # translate the txt record* into a properly formatted hash. # # * consists of a list of 'key=value' strings; handled strings are: # txtvers=n (integer) # conf=a,b (string: name of the config,integer: set time) # update=p (string: path to update server) # service=s (string: path to service resource) # user=s (string: default user name to use) # pass=s (string: default password to use) # auto=b (TRUE|FALSE: whether to act automatically or not) # mobile=b (TRUE|FALSE: whether to act as a mobile agent or not) # sub parse_txt_config { my ($this, @config) = @_; my $retconfig; foreach my $line (@config) { # TODO match these with a regexp my @line = split('=', $line); my $key = shift(@line); my $value = join('=', @line); switch ($key) { case 'txtvers' { $retconfig->{txtvers} = $value; } case 'conf' { my @co = split(',', $value); $retconfig->{conf} = { 'name' => $co[0], 'time' => $co[1] }; } case 'update' { $retconfig->{update} = $value; } case 'service' { $retconfig->{service} = $value; } case 'user' { $retconfig->{user} = $value; } case 'pass' { $retconfig->{pass} = $value; } case 'auto' { $retconfig->{auto} = 1; } case 'mobile' { $retconfig->{mobile} = 1; } else {} } } $this->{config} = $retconfig; return $retconfig; }; 1;


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