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334 lines
8.3 KiB
334 lines
8.3 KiB
#!/usr/bin/perl
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use Plack::Runner;
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use strict;
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use warnings;
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use POSIX;
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use Getopt::Long;
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use Lemonldap::NG::Handler::Main::Reload;
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our $VERSION = '2.0.15';
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our (
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$foreground, $engine, $nproc, $pidFile,
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$socket, $user, $listen, $group,
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$procmanager, $customFunctionsFile, %plackOptions, $sourceServer,
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);
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my %_apps;
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$SIG{'PIPE'} = 'IGNORE';
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$ENV{LLNG_DEFAULTLOGGER} ||= 'Lemonldap::NG::Common::Logger::Syslog';
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$foreground = 0;
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$engine ||= $ENV{ENGINE} || 'FCGI';
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$nproc ||= $ENV{NPROC} || 7;
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$pidFile ||= $ENV{PID} || '__FASTCGISOCKDIR__/llng-fastcgi.pid';
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$socket ||= $ENV{SOCKET} || '__FASTCGISOCKDIR__/llng-fastcgi.sock';
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$listen ||= $ENV{LISTEN} || undef;
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$user ||= $ENV{USER};
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$group ||= $ENV{GROUP};
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$sourceServer ||= $ENV{SOURCE_SERVER} || 'nginx';
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$customFunctionsFile ||= $ENV{CUSTOM_FUNCTIONS_FILE};
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# If the user specified any PM_ constrains, run under ::Constrained
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$procmanager = "FCGI::ProcManager::Constrained" if grep /^PM_/, keys %ENV;
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#Getopt::Long::Configure ("bundling_values");
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GetOptions(
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'foreground' => \$foreground,
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'engine|e=s' => \$engine,
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'proc|n=s' => \$nproc,
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'pid|p=s' => \$pidFile,
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'socket|s=s' => \$socket,
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'listen|l=s' => \$listen,
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'user|u=s' => \$user,
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'group|g=s' => \$group,
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'customFunctionsFile|f=s' => \$customFunctionsFile,
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'plackOptions=s' => \%plackOptions,
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'sourceServer=s' => \$sourceServer,
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);
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my $class = (
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$sourceServer eq 'nginx' ? 'Lemonldap::NG::Handler::Server::Nginx'
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: $sourceServer eq 'traefik' ? 'Lemonldap::NG::Handler::Server::Traefik'
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: $sourceServer
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);
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eval "require $class";
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if ($@) {
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die $@ if $class != $sourceServer;
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print STDERR "Unable to load custom class $class:\n$@";
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exit 1;
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}
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if ($group) {
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my $grp = getgrnam($group) or die "Can't change gid to $group";
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POSIX::setgid($grp) or die "setgid: $!";
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}
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if ($user) {
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my $uid = getpwnam($user) or die "Can't change uid to $user";
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POSIX::setuid($uid) or die "setuid: $!";
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}
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unless ($>) {
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die "Refuse to run as root. Aborting";
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}
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if ($customFunctionsFile) {
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eval { require $customFunctionsFile };
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die $@ if ($@);
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}
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my %builder = (
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handler => sub {
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return $class->run( {} );
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},
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reload => sub {
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return $class->reload();
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},
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manager => sub {
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require Lemonldap::NG::Manager;
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return Lemonldap::NG::Manager->run( {} );
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},
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portal => sub {
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require Lemonldap::NG::Portal;
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return Lemonldap::NG::Portal->run( {} );
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},
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cgi => sub {
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require CGI::Emulate::PSGI;
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require CGI::Compile;
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return sub {
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my $script = $_[0]->{SCRIPT_FILENAME};
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return $_apps{$script}->(@_) if ( $_apps{$script} );
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$_apps{$script} =
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CGI::Emulate::PSGI->handler( CGI::Compile->compile($script) );
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return $_apps{$script}->(@_);
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};
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},
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psgi => sub {
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return sub {
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my $script = $_[0]->{SCRIPT_FILENAME};
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return $_apps{$script}->(@_) if ( $_apps{$script} );
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$_apps{$script} = do $script;
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unless ( $_apps{$script} and ref $_apps{$script} ) {
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my $errmsg = $@ || $! || "unknown error";
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die("Unable to load $_[0]->{SCRIPT_FILENAME}: $errmsg");
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}
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return $_apps{$script}->(@_);
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}
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},
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);
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my $app = sub {
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$SIG{'PIPE'} = sub {
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print STDERR "Got a PIPE signal";
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};
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my $type = $_[0]->{LLTYPE} || 'handler';
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return $_apps{$type}->(@_) if ( defined $_apps{$type} );
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if ( defined $builder{$type} ) {
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$_apps{$type} = $builder{$type}->();
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return $_apps{$type}->(@_);
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}
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die "Unknown PSGI type $type";
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};
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# Hook for customFunctions initialization
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Lemonldap::NG::Handler::Main->onReload(
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bless( {}, 'Lemonldap::NG::Handler::FastCGI::Loader' ),
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'loadCustomHandlers' );
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my $server = Plack::Runner->new();
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$server->parse_options(
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'-s' => $engine,
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'-E' => 'deployment',
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'--pid' => $pidFile,
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'--nproc' => $nproc,
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'--socket' => $socket,
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( $listen ? ( '--listen', $listen ) : () ),
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'--proc-title' => 'llng-fastcgi-server',
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( $foreground ? () : '--daemonize' ),
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'--no-default-middleware',
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( $procmanager ? ( '--manager', $procmanager ) : () ),
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%plackOptions,
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);
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$server->run($app);
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package Lemonldap::NG::Handler::FastCGI::Loader;
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# Load configuration and look if custom handlers have been defined
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sub loadCustomHandlers {
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my ( $obj, $conf ) = @_;
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foreach my $lltype ( keys %{ $conf->{nginxCustomHandlers} || {} } ) {
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my $v = $conf->{nginxCustomHandlers}->{$lltype};
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if ( $v =~ m#[/\\\.]# ) {
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eval { require $v; };
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}
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else {
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eval "use $v";
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}
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if ($@) {
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print STDERR "Unable to load $v, skipping: $@\n";
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next;
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}
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$builder{$lltype} = sub {
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require $v;
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return $v->run( {} );
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};
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}
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return 1;
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}
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__END__
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=head1 NAME
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=encoding utf8
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llng-fastcgi-server - FastCGI server used for providing LemonLDAP::NG services.
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=head1 SYNOPSIS
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# Start server listening to /run/llng.sock with 10 workers
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llng-fastcgi-server -u nobody -g nobody -s /run/llng.sock -n 10
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=head1 DESCRIPTION
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llng-fastcgi-server has been designed to provide LemonLDAP::NG services to Nginx
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or DevOps Handler.
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Portal, Manager and Handler will be compiled just-in-time. So this FastCGI
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server can be used on every LemonLDAP::NG server even if it needs only some
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parts (isolated handlers, portal,...).
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=head1 PARAMETERS
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Each parameter can be set by using options or environment variables.
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=over
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=item --pid -p ($ENV{PID}):
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pid file
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=item --user -u ($ENV{USER}):
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user
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=item --group -g ($ENV{GROUP}):
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group
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=item --proc -n ($ENV{NPROC}):
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Number of processus for FCGI
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=item --socket -s ($ENV{SOCKET}):
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Unix socket
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=item --listen -l ($ENV{LISTEN}):
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Listening address (HOST:PORT, :PORT, or PATH)
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=item --customFunctionsFile -f ($ENV{CUSTOM_FUNCTIONS_FILE}):
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file to load for custom functions
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=item --engine -e ($ENV{ENGINE}):
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Plack::Handler engine, default to FCGI (see below)
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=item --plackOptions:
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To pass other options to the Plack handler. This multi-valued parameter must
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have "key=value" values.
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See Plack::Handler::FCGI to find out list of available options for default FCGI engine
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=back
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=head1 ENGINES
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By default, llng-fastcgi-server uses FCGI (= L<Plack::Handler::FCGI>).
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Some other engines can be used:
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=head2 FCGI (default)
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It uses L<FCGI::ProcManager> as manager. Other managers:
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=over
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=item L<FCGI::ProcManager::Dynamic>
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llng-fastcgi-server -u nobody -g nobody -s /run/llng.sock -e FCGI -n 10 \
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--plackOptions manager=FCGI::ProcManager::Dynamic
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=back
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=head2 Other FCGI::ProcManager style engines
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=over
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=item FCGI::Engine
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=back
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=head2 Event engines
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=over
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=item AnyEvent::FCGI
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=item FCGI::Async
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=item FCGI::EV
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=back
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=head1 SEE ALSO
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L<http://lemonldap-ng.org/>
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=head1 AUTHORS
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=over
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=item Clement Oudot, E<lt>clem.oudot@gmail.comE<gt>
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=item Xavier Guimard, E<lt>x.guimard@free.frE<gt>
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=back
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=head1 BUG REPORT
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Use OW2 system to report bug or ask for features:
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L<https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues>
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=head1 DOWNLOAD
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Lemonldap::NG is available at
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L<https://lemonldap-ng.org/download>
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=head1 COPYRIGHT AND LICENSE
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=over
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=item Copyright (C) 2008-2016 by Xavier Guimard, E<lt>x.guimard@free.frE<gt>
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=item Copyright (C) 2008-2016 by Clément Oudot, E<lt>clem.oudot@gmail.comE<gt>
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=back
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see L<http://www.gnu.org/licenses/>.
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=cut
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