5 freeside-selfservice-server
10 use vars qw( $FREESIDE_LOG $FREESIDE_LOCK );
11 use vars qw( $Debug %kids $kids $max_kids $ssh_pid %old_ssh_pid $keepalives );
12 use subs qw( lock_write unlock_write myshutdown usage );
14 use POSIX qw(:sys_wait_h);
18 use Storable 2.09 qw(nstore_fd fd_retrieve);
19 use Net::SSH qw(sshopen2);
20 use FS::Daemon qw(daemonize1 drop_root logfile daemonize2 sigint sigterm);
21 use FS::UID qw(adminsuidsetup forksuidsetup);
22 use FS::ClientAPI qw( load_clientapi_modules );
23 use FS::ClientAPI_SessionCache;
24 use FS::Record qw( qsearch qsearchs );
31 $FREESIDE_LOG = "%%%FREESIDE_LOG%%%";
32 $FREESIDE_LOCK = "%%%FREESIDE_LOCK%%%";
34 $Debug = 1; # 2 will turn on more logging
35 # 3 will log packet contents, including passwords
38 $keepalives = 0; #let clientd turn it on, so we don't barf on old ones
41 my $user = shift or die &usage;
42 my $machine = shift or die &usage;
43 my $tag = scalar(@ARGV) ? shift : '';
45 my $lock_file = "$FREESIDE_LOCK/selfservice.$machine.writelock";
47 # to keep pid files unique w/multi machines (and installs!)
48 # $FS::UID::datasrc not posible
49 daemonize1("freeside-selfservice-server","$user.$machine");
51 #false laziness w/Daemon::drop_root
52 my $freeside_gid = scalar(getgrnam('freeside'))
53 or die "can't find freeside group\n";
55 open(LOCKFILE,">$lock_file") or die "can't open $lock_file: $!";
56 chown $FS::UID::freeside_uid, $freeside_gid, $lock_file;
60 $ENV{HOME} = (getpwuid($>))[7]; #for ssh
62 load_clientapi_modules;
66 #logfile("/usr/local/etc/freeside/selfservice.". $FS::UID::datasrc); #MACHINE
67 logfile("$FREESIDE_LOG/selfservice.$machine.log");
71 my $conf = new FS::Conf;
72 my $ticket_system = $conf->config('ticket_system');
73 if ( $conf->exists('selfservice-ignore_quantity') ) {
74 $FS::cust_svc::ignore_quantity = 1;
75 $FS::cust_svc::ignore_quantity = 1; #now it is used twice.
77 if ( $conf->exists('selfservice-db_profile') ) {
78 eval "use DBIx::Profile";
82 #clear the signup info cache so an "/etc/init.d/freeside restart" will pick
83 #up new info... (better as a callback in Signup.pm?)
84 my $cache = new FS::ClientAPI_SessionCache( {
85 'namespace' => 'FS::ClientAPI::Signup',
87 $cache->remove('signup_info_cache');
89 #and also clear the selfservice skin info cache, for the same reason
90 my $ss_cache = new FS::ClientAPI_SessionCache( {
91 'namespace' => 'FS::ClientAPI::MyAccount',
94 foreach grep /^skin_info_cache_agent/, $ss_cache->get_keys();
96 my $clientd = "/usr/local/sbin/freeside-selfservice-clientd"; #better name?
100 my($writer,$reader,$error) = (new IO::Handle, new IO::Handle, new IO::Handle);
101 warn "connecting to $machine\n" if $Debug;
103 $ssh_pid = sshopen2($machine,$reader,$writer,$clientd,$tag);
105 # nstore_fd(\*writer, {'hi'=>'there'});
107 warn "entering main loop\n" if $Debug;
109 my $keepalive_count = 0;
110 my $s = IO::Select->new( $reader );
115 warn "waiting for packet from client\n" if $Debug && !$undisp;
117 my @handles = $s->can_read(5);
118 unless ( @handles ) {
119 myshutdown() if sigint() || sigterm();
120 if ( $keepalives && $keepalive_count++ > 10 ) {
121 $keepalive_count = 0;
123 nstore_fd( { _token => '_keepalive' }, $writer );
131 warn "receiving packet from client\n" if $Debug;
133 my $packet = eval { fd_retrieve($reader); };
135 warn "Storable error receiving packet from client".
136 " (assuming lost connection): $@\n"
139 warn "sending TERM signal to ssh process $ssh_pid\n" if $Debug;
140 kill 'TERM', $ssh_pid;
141 $old_ssh_pid{$ssh_pid} = 1;
146 warn "packet received\n".
147 join('', map { " $_=>$packet->{$_}\n" } keys %$packet )
150 if ( $packet->{_packet} eq '_enable_keepalive' ) {
151 warn "enabling keep alives\n" if $Debug;
156 #prevent runaway forking
158 while ( $kids >= $max_kids ) {
159 warn "WARNING: maximum $kids children reached\n" unless $warnkids++;
164 warn "forking child\n" if $Debug;
165 defined( my $pid = fork ) or die "can't fork: $!";
169 warn "child $pid spawned\n" if $Debug;
172 $FS::UID::dbh->{InactiveDestroy} = 1;
173 forksuidsetup($user);
175 FS::TicketSystem->init() if $ticket_system;
177 my $type = $packet->{_packet};
178 warn "calling $type handler\n" if $Debug;
179 my $rv = eval { FS::ClientAPI->dispatch($type, $packet); };
181 warn my $error = "WARNING: error dispatching $type: $@";
182 $rv = { _error => $error };
184 $rv->{_token} = $packet->{_token}; #identifier
186 open(LOCKFILE,">$lock_file") or die "can't open $lock_file: $!";
188 warn "sending response\n" if $Debug;
189 nstore_fd($rv, $writer) or die "FATAL: can't send response: $!";
190 $writer->flush or die "FATAL: can't flush: $!";
193 warn "child exiting\n" if $Debug;
199 myshutdown if sigint() || sigterm();
200 warn "connection lost, reconnecting\n" if $Debug;
206 # utility subroutines
210 #warn "reaping kids\n";
211 foreach my $pid ( keys %kids ) {
212 my $kid = waitpid($pid, WNOHANG);
219 foreach my $pid ( keys %old_ssh_pid ) {
220 waitpid($pid, WNOHANG) and delete $old_ssh_pid{$pid};
222 #warn "done reaping\n";
227 my $wait = 12; #wait up to 1 minute
228 while ( $kids > 0 && $wait-- ) {
229 warn "waiting for $kids children to terminate";
233 warn "abandoning $kids children" if $kids;
234 kill 'TERM', $ssh_pid if $ssh_pid;
239 warn "locking $lock_file mutex for write to write stream\n" if $Debug > 1;
242 #flock($writer, LOCK_EX) or die "FATAL: can't lock write stream: $!";
244 flock(LOCKFILE, LOCK_EX) or die "FATAL: can't lock $lock_file: $!";
249 warn "unlocking $lock_file mutex\n" if $Debug > 1;
252 #flock($writer, LOCK_UN) or die "WARNING: can't release write lock: $!";
254 flock(LOCKFILE, LOCK_UN) or die "FATAL: can't unlock $lock_file: $!";
259 die "Usage:\n\n freeside-selfservice-server user machine\n";