+++ /dev/null
-#!/usr/bin/perl -w
-#
-# freeside-selfservice-server
-
-# alas, much false laziness with freeside-queued and fs_signup_server. at
-# least it is slated to replace fs_{signup,passwd,mailadmin}_server
-# should probably generalize the version in here, or better yet use
-# Proc::Daemon or somesuch
-
-use strict;
-use vars qw( $Debug %kids $kids $max_kids $shutdown $log_file $ssh_pid );
-use Fcntl qw(:flock);
-use POSIX qw(:sys_wait_h setsid);
-use IO::Handle;
-use IO::Select;
-use IO::File;
-use Storable qw(nstore_fd fd_retrieve);
-use Net::SSH qw(sshopen2);
-use FS::UID qw(adminsuidsetup forksuidsetup);
-use FS::ClientAPI;
-
-use FS::Conf;
-use FS::cust_bill;
-use FS::cust_pkg;
-
-$Debug = 2; # >= 2 will log packet contents, including potentially compromising
- # information
-
-$shutdown = 0;
-$max_kids = '10'; #?
-$kids = 0;
-
-my $user = shift or die &usage;
-my $machine = shift or die &usage;
-my $pid_file = "/var/run/freeside-selfservice-server.$user.pid";
-#my $pid_file = "/var/run/freeside-selfservice-server.$user.pid"; $FS::UID::datasrc not posible, but should include machine name at least, hmm
-
-&init($user);
-
-my $conf = new FS::Conf;
-
-if ($conf->exists('selfservice_server-quiet')) {
- $FS::cust_bill::quiet = 1;
- $FS::cust_pkg::quiet = 1;
-}
-
-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);
-
-# nstore_fd(\*writer, {'hi'=>'there'});
-
- warn "entering main loop\n" if $Debug;
- my $undisp = 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 ) {
- &shutdown if $shutdown;
- next;
- }
-
- $undisp = 0;
-
- warn "receiving packet from client\n" if $Debug;
-
- my $packet = fd_retrieve($reader);
- warn "packet received\n".
- join('', map { " $_=>$packet->{$_}\n" } keys %$packet )
- if $Debug > 1;
-
- #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);
-
- 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
-
- warn "sending response\n" if $Debug;
- flock($writer, LOCK_EX) or die "FATAL: can't lock write stream: $!";
- nstore_fd($rv, $writer) or die "FATAL: can't send response: $!";
- $writer->flush or die "FATAL: can't flush: $!";
- flock($writer, LOCK_UN) or die "WARNING: can't release write lock: $!";
-
- warn "child exiting\n" if $Debug;
- exit; #end-of-kid
- }
-
- }
-
-}
-
-###
-# 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};
- }
- }
- #warn "done reaping\n";
-}
-
-sub init {
- my $user = shift;
-
- chdir "/" or die "Can't chdir to /: $!";
- open STDIN, '/dev/null' or die "Can't read /dev/null: $!";
- defined(my $pid = fork) or die "Can't fork: $!";
- if ( $pid ) {
- print "freeside-selfservice-server to $machine started with pid $pid\n"; #logging to $log_file
- exit unless $pid_file;
- my $pidfh = new IO::File ">$pid_file" or exit;
- print $pidfh "$pid\n";
- exit;
- }
-
-# sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; $kids--; }
-# #sub REAPER { my $pid = wait; $kids--; $SIG{CHLD} = \&REAPER; }
-# $SIG{CHLD} = \&REAPER;
-
- $shutdown = 0;
- $SIG{HUP} = sub { warn "SIGHUP received; shutting down\n"; $shutdown++; };
- $SIG{INT} = sub { warn "SIGINT received; shutting down\n"; $shutdown++; };
- $SIG{TERM} = sub { warn "SIGTERM received; shutting down\n"; $shutdown++; };
- $SIG{QUIT} = sub { warn "SIGQUIT received; shutting down\n"; $shutdown++; };
- $SIG{PIPE} = sub { warn "SIGPIPE received; shutting down\n"; $shutdown++; };
-
- #false laziness w/freeside-queued
- my $freeside_gid = scalar(getgrnam('freeside'))
- or die "can't setgid to freeside group\n";
- $) = $freeside_gid;
- $( = $freeside_gid;
- #if freebsd can't setuid(), presumably it can't setgid() either. grr fleabsd
- ($(,$)) = ($),$();
- $) = $freeside_gid;
-
- $> = $FS::UID::freeside_uid;
- $< = $FS::UID::freeside_uid;
- #freebsd is sofa king broken, won't setuid()
- ($<,$>) = ($>,$<);
- $> = $FS::UID::freeside_uid;
- #eslaf
-
- $ENV{HOME} = (getpwuid($>))[7]; #for ssh
- adminsuidsetup $user;
-
- #$log_file = "/usr/local/etc/freeside/selfservice.". $FS::UID::datasrc; #MACHINE NAME
- $log_file = "/usr/local/etc/freeside/selfservice.$machine.log";
-
- open STDOUT, '>/dev/null'
- or die "Can't write to /dev/null: $!";
- setsid or die "Can't start a new session: $!";
- open STDERR, '>&STDOUT' or die "Can't dup stdout: $!";
-
- $SIG{__DIE__} = \&_die;
- $SIG{__WARN__} = \&_logmsg;
-
- warn "freeside-selfservice-server starting\n";
-
-}
-
-sub shutdown {
- my $wait = 12; #wait up to 1 minute
- while ( $kids > 0 && $wait-- ) {
- warn "waiting for $kids children to terminate";
- sleep 5;
- }
- warn "abandoning $kids children" if $kids;
- kill 'TERM', $ssh_pid if $ssh_pid;
- die "exiting";
-}
-
-sub _die {
- my $msg = shift;
- unlink $pid_file if -e $pid_file;
- _logmsg($msg);
-}
-
-sub _logmsg {
- chomp( my $msg = shift );
- _do_logmsg( "[server] [". scalar(localtime). "] [$$] $msg\n" );
-}
-
-sub _do_logmsg {
- chomp( my $msg = shift );
- my $log = new IO::File ">>$log_file";
- flock($log, LOCK_EX);
- seek($log, 0, 2);
- print $log "$msg\n";
- flock($log, LOCK_UN);
- close $log;
-}
-
-sub usage {
- die "Usage:\n\n fs_signup_server user machine\n";
-}
-
projects / freeside.git / blobdiff