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-rw-r--r--FS/bin/freeside-selfservice-server240
1 files changed, 240 insertions, 0 deletions
diff --git a/FS/bin/freeside-selfservice-server b/FS/bin/freeside-selfservice-server
new file mode 100644
index 000000000..2087e7130
--- /dev/null
+++ b/FS/bin/freeside-selfservice-server
@@ -0,0 +1,240 @@
+#!/usr/bin/perl -w
+
+use strict;
+use vars qw( $FREESIDE_LOG $FREESIDE_LOCK );
+use vars qw( $Debug %kids $kids $max_kids $ssh_pid %old_ssh_pid $keepalives );
+use subs qw( lock_write unlock_write myshutdown usage );
+use Fcntl qw(:flock);
+use POSIX qw(:sys_wait_h);
+use IO::Handle;
+use IO::Select;
+use IO::File;
+use Storable 2.09 qw(nstore_fd fd_retrieve);
+use Net::SSH qw(sshopen2);
+use FS::Daemon qw(daemonize1 drop_root logfile daemonize2 sigint sigterm);
+use FS::UID qw(adminsuidsetup forksuidsetup);
+use FS::ClientAPI;
+use FS::ClientAPI_SessionCache;
+
+use FS::Conf;
+use FS::cust_svc;
+
+$FREESIDE_LOG = "%%%FREESIDE_LOG%%%";
+$FREESIDE_LOCK = "%%%FREESIDE_LOCK%%%";
+
+$Debug = 1; # 2 will turn on more logging
+ # 3 will log packet contents, including passwords
+
+$max_kids = '10'; #?
+$keepalives = 0; #let clientd turn it on, so we don't barf on old ones
+$kids = 0;
+
+my $user = shift or die &usage;
+my $machine = shift or die &usage;
+my $tag = scalar(@ARGV) ? shift : '';
+
+my $lock_file = "$FREESIDE_LOCK/selfservice.$machine.writelock";
+
+# to keep pid files unique w/multi machines (and installs!)
+# $FS::UID::datasrc not posible
+daemonize1("freeside-selfservice-server","$user.$machine");
+
+#false laziness w/Daemon::drop_root
+my $freeside_gid = scalar(getgrnam('freeside'))
+ or die "can't find freeside group\n";
+
+open(LOCKFILE,">$lock_file") or die "can't open $lock_file: $!";
+chown $FS::UID::freeside_uid, $freeside_gid, $lock_file;
+
+drop_root();
+
+$ENV{HOME} = (getpwuid($>))[7]; #for ssh
+
+adminsuidsetup $user;
+
+#logfile("/usr/local/etc/freeside/selfservice.". $FS::UID::datasrc); #MACHINE
+logfile("$FREESIDE_LOG/selfservice.$machine.log");
+
+daemonize2();
+
+my $conf = new FS::Conf;
+if ( $conf->exists('selfservice-ignore_quantity') ) {
+ $FS::cust_svc::ignore_quantity = 1;
+ $FS::cust_svc::ignore_quantity = 1; #now it is used twice.
+}
+
+#clear the signup info cache so an "/etc/init.d/freeside restart" will pick
+#up new info... (better as a callback in Signup.pm?)
+my $cache = new FS::ClientAPI_SessionCache( {
+ 'namespace' => 'FS::ClientAPI::Signup',
+} );
+$cache->remove('signup_info_cache');
+
+my $clientd = "/usr/local/sbin/freeside-selfservice-clientd"; #better name?
+
+my $warnkids=0;
+while (1) {
+ my($writer,$reader,$error) = (new IO::Handle, new IO::Handle, new IO::Handle);
+ warn "connecting to $machine\n" if $Debug;
+
+ $ssh_pid = sshopen2($machine,$reader,$writer,$clientd,$tag);
+
+# nstore_fd(\*writer, {'hi'=>'there'});
+
+ warn "entering main loop\n" if $Debug;
+ my $undisp = 0;
+ my $keepalive_count = 0;
+ my $s = IO::Select->new( $reader );
+ while (1) {
+
+ &reap_kids;
+
+ warn "waiting for packet from client\n" if $Debug && !$undisp;
+ $undisp = 1;
+ my @handles = $s->can_read(5);
+ unless ( @handles ) {
+ myshutdown() if sigint() || sigterm();
+ if ( $keepalives && $keepalive_count++ > 10 ) {
+ $keepalive_count = 0;
+ lock_write;
+ nstore_fd( { _token => '_keepalive' }, $writer );
+ unlock_write;
+ }
+ next;
+ }
+
+ $undisp = 0;
+
+ warn "receiving packet from client\n" if $Debug;
+
+ my $packet = eval { fd_retrieve($reader); };
+ if ( $@ ) {
+ warn "Storable error receiving packet from client".
+ " (assuming lost connection): $@\n"
+ if $Debug;
+ if ( $ssh_pid ) {
+ warn "sending TERM signal to ssh process $ssh_pid\n" if $Debug;
+ kill 'TERM', $ssh_pid;
+ $old_ssh_pid{$ssh_pid} = 1;
+ $ssh_pid = 0;
+ }
+ last;
+ }
+ warn "packet received\n".
+ join('', map { " $_=>$packet->{$_}\n" } keys %$packet )
+ if $Debug > 2;
+
+ if ( $packet->{_packet} eq '_enable_keepalive' ) {
+ warn "enabling keep alives\n" if $Debug;
+ $keepalives=1;
+ next;
+ }
+
+ #prevent runaway forking
+ my $warnkids = 0;
+ while ( $kids >= $max_kids ) {
+ warn "WARNING: maximum $kids children reached\n" unless $warnkids++;
+ &reap_kids;
+ sleep 1;
+ }
+
+ warn "forking child\n" if $Debug;
+ defined( my $pid = fork ) or die "can't fork: $!";
+ if ( $pid ) {
+ $kids++;
+ $kids{$pid} = 1;
+ warn "child $pid spawned\n" if $Debug;
+ } else { #kid time
+
+ ##get new db handle
+ $FS::UID::dbh->{InactiveDestroy} = 1;
+ forksuidsetup($user);
+
+ #get db handle
+ #adminsuidsetup($user);
+
+ my $type = $packet->{_packet};
+ warn "calling $type handler\n" if $Debug;
+ my $rv = eval { FS::ClientAPI->dispatch($type, $packet); };
+ if ( $@ ) {
+ warn my $error = "WARNING: error dispatching $type: $@";
+ $rv = { _error => $error };
+ }
+ $rv->{_token} = $packet->{_token}; #identifier
+
+ open(LOCKFILE,">$lock_file") or die "can't open $lock_file: $!";
+ lock_write;
+ warn "sending response\n" if $Debug;
+ nstore_fd($rv, $writer) or die "FATAL: can't send response: $!";
+ $writer->flush or die "FATAL: can't flush: $!";
+ unlock_write;
+
+ warn "child exiting\n" if $Debug;
+ exit; #end-of-kid
+ }
+
+ }
+
+ myshutdown if sigint() || sigterm();
+ warn "connection lost, reconnecting\n" if $Debug;
+ sleep 3;
+
+}
+
+###
+# utility subroutines
+###
+
+sub reap_kids {
+ #warn "reaping kids\n";
+ foreach my $pid ( keys %kids ) {
+ my $kid = waitpid($pid, WNOHANG);
+ if ( $kid > 0 ) {
+ $kids--;
+ delete $kids{$kid};
+ }
+ }
+
+ foreach my $pid ( keys %old_ssh_pid ) {
+ waitpid($pid, WNOHANG) and delete $old_ssh_pid{$pid};
+ }
+ #warn "done reaping\n";
+}
+
+sub myshutdown {
+ &reap_kids;
+ my $wait = 12; #wait up to 1 minute
+ while ( $kids > 0 && $wait-- ) {
+ warn "waiting for $kids children to terminate";
+ sleep 5;
+ &reap_kids;
+ }
+ warn "abandoning $kids children" if $kids;
+ kill 'TERM', $ssh_pid if $ssh_pid;
+ die "exiting";
+}
+
+sub lock_write {
+ warn "locking $lock_file mutex for write to write stream\n" if $Debug > 1;
+
+ #broken on freebsd?
+ #flock($writer, LOCK_EX) or die "FATAL: can't lock write stream: $!";
+
+ flock(LOCKFILE, LOCK_EX) or die "FATAL: can't lock $lock_file: $!";
+
+}
+
+sub unlock_write {
+ warn "unlocking $lock_file mutex\n" if $Debug > 1;
+
+ #broken on freebsd?
+ #flock($writer, LOCK_UN) or die "WARNING: can't release write lock: $!";
+
+ flock(LOCKFILE, LOCK_UN) or die "FATAL: can't unlock $lock_file: $!";
+
+}
+
+sub usage {
+ die "Usage:\n\n freeside-selfservice-server user machine\n";
+}
+
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