4 use vars qw( $FREESIDE_LOG $FREESIDE_LOCK );
5 use vars qw( $Debug %kids $kids $max_kids $ssh_pid %old_ssh_pid $keepalives );
6 use subs qw( lock_write unlock_write myshutdown usage );
8 use POSIX qw(:sys_wait_h);
12 use Storable 2.09 qw(nstore_fd fd_retrieve);
13 use Net::SSH qw(sshopen2);
14 use FS::Daemon qw(daemonize1 drop_root logfile daemonize2 sigint sigterm);
15 use FS::UID qw(adminsuidsetup forksuidsetup);
16 use FS::ClientAPI qw( load_clientapi_modules );
17 use FS::ClientAPI_SessionCache;
18 use FS::Record qw( qsearch qsearchs );
25 $FREESIDE_LOG = "%%%FREESIDE_LOG%%%";
26 $FREESIDE_LOCK = "%%%FREESIDE_LOCK%%%";
28 $Debug = 1; # 2 will turn on more logging
29 # 3 will log packet contents, including passwords
32 $keepalives = 0; #let clientd turn it on, so we don't barf on old ones
35 my $user = shift or die &usage;
36 my $machine = shift or die &usage;
37 my $tag = scalar(@ARGV) ? shift : '';
39 my $lock_file = "$FREESIDE_LOCK/selfservice.$machine.writelock";
41 # to keep pid files unique w/multi machines (and installs!)
42 # $FS::UID::datasrc not posible
43 daemonize1("freeside-selfservice-server","$user.$machine");
45 #false laziness w/Daemon::drop_root
46 my $freeside_gid = scalar(getgrnam('freeside'))
47 or die "can't find freeside group\n";
49 open(LOCKFILE,">$lock_file") or die "can't open $lock_file: $!";
50 chown $FS::UID::freeside_uid, $freeside_gid, $lock_file;
54 $ENV{HOME} = (getpwuid($>))[7]; #for ssh
56 load_clientapi_modules;
60 #logfile("/usr/local/etc/freeside/selfservice.". $FS::UID::datasrc); #MACHINE
61 logfile("$FREESIDE_LOG/selfservice.$machine.log");
65 my $conf = new FS::Conf;
66 if ( $conf->exists('selfservice-ignore_quantity') ) {
67 $FS::cust_svc::ignore_quantity = 1;
68 $FS::cust_svc::ignore_quantity = 1; #now it is used twice.
71 #clear the signup info cache so an "/etc/init.d/freeside restart" will pick
72 #up new info... (better as a callback in Signup.pm?)
73 my $cache = new FS::ClientAPI_SessionCache( {
74 'namespace' => 'FS::ClientAPI::Signup',
76 $cache->remove('signup_info_cache');
78 #and also clear the selfservice skin info cache, for the same reason
79 my $ss_cache = new FS::ClientAPI_SessionCache( {
80 'namespace' => 'FS::ClientAPI::MyAccount',
83 foreach grep /^skin_info_cache_agent/, $ss_cache->get_keys();
85 my $clientd = "/usr/local/sbin/freeside-selfservice-clientd"; #better name?
89 my($writer,$reader,$error) = (new IO::Handle, new IO::Handle, new IO::Handle);
90 warn "connecting to $machine\n" if $Debug;
92 $ssh_pid = sshopen2($machine,$reader,$writer,$clientd,$tag);
94 # nstore_fd(\*writer, {'hi'=>'there'});
96 warn "entering main loop\n" if $Debug;
98 my $keepalive_count = 0;
99 my $s = IO::Select->new( $reader );
104 warn "waiting for packet from client\n" if $Debug && !$undisp;
106 my @handles = $s->can_read(5);
107 unless ( @handles ) {
108 myshutdown() if sigint() || sigterm();
109 if ( $keepalives && $keepalive_count++ > 10 ) {
110 $keepalive_count = 0;
112 nstore_fd( { _token => '_keepalive' }, $writer );
120 warn "receiving packet from client\n" if $Debug;
122 my $packet = eval { fd_retrieve($reader); };
124 warn "Storable error receiving packet from client".
125 " (assuming lost connection): $@\n"
128 warn "sending TERM signal to ssh process $ssh_pid\n" if $Debug;
129 kill 'TERM', $ssh_pid;
130 $old_ssh_pid{$ssh_pid} = 1;
135 warn "packet received\n".
136 join('', map { " $_=>$packet->{$_}\n" } keys %$packet )
139 if ( $packet->{_packet} eq '_enable_keepalive' ) {
140 warn "enabling keep alives\n" if $Debug;
145 #prevent runaway forking
147 while ( $kids >= $max_kids ) {
148 warn "WARNING: maximum $kids children reached\n" unless $warnkids++;
153 warn "forking child\n" if $Debug;
154 defined( my $pid = fork ) or die "can't fork: $!";
158 warn "child $pid spawned\n" if $Debug;
161 $FS::UID::dbh->{InactiveDestroy} = 1;
162 forksuidsetup($user);
164 FS::TicketSystem->init();
166 my $type = $packet->{_packet};
167 warn "calling $type handler\n" if $Debug;
168 my $rv = eval { FS::ClientAPI->dispatch($type, $packet); };
170 warn my $error = "WARNING: error dispatching $type: $@";
171 $rv = { _error => $error };
173 $rv->{_token} = $packet->{_token}; #identifier
175 open(LOCKFILE,">$lock_file") or die "can't open $lock_file: $!";
177 warn "sending response\n" if $Debug;
178 nstore_fd($rv, $writer) or die "FATAL: can't send response: $!";
179 $writer->flush or die "FATAL: can't flush: $!";
182 warn "child exiting\n" if $Debug;
188 myshutdown if sigint() || sigterm();
189 warn "connection lost, reconnecting\n" if $Debug;
195 # utility subroutines
199 #warn "reaping kids\n";
200 foreach my $pid ( keys %kids ) {
201 my $kid = waitpid($pid, WNOHANG);
208 foreach my $pid ( keys %old_ssh_pid ) {
209 waitpid($pid, WNOHANG) and delete $old_ssh_pid{$pid};
211 #warn "done reaping\n";
216 my $wait = 12; #wait up to 1 minute
217 while ( $kids > 0 && $wait-- ) {
218 warn "waiting for $kids children to terminate";
222 warn "abandoning $kids children" if $kids;
223 kill 'TERM', $ssh_pid if $ssh_pid;
228 warn "locking $lock_file mutex for write to write stream\n" if $Debug > 1;
231 #flock($writer, LOCK_EX) or die "FATAL: can't lock write stream: $!";
233 flock(LOCKFILE, LOCK_EX) or die "FATAL: can't lock $lock_file: $!";
238 warn "unlocking $lock_file mutex\n" if $Debug > 1;
241 #flock($writer, LOCK_UN) or die "WARNING: can't release write lock: $!";
243 flock(LOCKFILE, LOCK_UN) or die "FATAL: can't unlock $lock_file: $!";
248 die "Usage:\n\n freeside-selfservice-server user machine\n";