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# $OpenBSD: Httpd.pm,v 1.2 2017/01/30 21:18:24 reyk Exp $
# Copyright (c) 2010-2015 Alexander Bluhm <bluhm@openbsd.org>
# Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
package Httpd;
use parent 'Proc';
use Carp;
use File::Basename;
sub new {
my $class = shift;
my %args = @_;
$args{chroot} ||= ".";
$args{docroot} ||= "htdocs";
$args{logfile} ||= $args{chroot}."/httpd.log";
$args{up} ||= $args{dryrun} || "server_launch: ";
$args{down} ||= $args{dryrun} ? "httpd.conf:" : "parent terminating";
$args{func} = sub { Carp::confess "$class func may not be called" };
$args{conffile} ||= "httpd.conf";
my $self = Proc::new($class, %args);
ref($self->{http}) eq 'ARRAY'
or $self->{http} = [ split("\n", $self->{http} || "") ];
$self->{listenaddr}
or croak "$class listen addr not given";
$self->{listenport}
or croak "$class listen port not given";
my $test = basename($self->{testfile} || "");
# tls does not allow a too long session id, so truncate it
substr($test, 25, length($test) - 25, "") if length($test) > 25;
open(my $fh, '>', $self->{conffile})
or die ref($self), " conf file $self->{conffile} create failed: $!";
# substitute variables in config file
my $curdir = dirname($0) || ".";
my $connectport = $self->{connectport};
my $connectaddr = $self->{connectaddr};
my $listenaddr = $self->{listenaddr};
my $listenport = $self->{listenport};
print $fh "prefork 1\n"; # only crashes of first child are observed
print $fh "chroot \"".$args{docroot}."\"\n";
print $fh "logdir \"".$args{chroot}."\"\n";
my @http = @{$self->{http}};
print $fh "server \"www.$test.local\" {";
my $tls = $self->{listentls} ? "tls " : "";
print $fh "\n\tlisten on $self->{listenaddr} ".
"${tls}port $self->{listenport}" unless grep { /^listen / } @http;
# substitute variables in config file
foreach (@http) {
s/(\$[a-z]+)/$1/eeg;
}
print $fh map { "\n\t$_" } @http;
if ($self->{listentls}) {
print $fh "\n";
print $fh "\ttls certificate \"".$args{chroot}."/server.crt\"\n";
print $fh "\ttls key \"".$args{chroot}."/server.key\"";
}
print $fh "\n\troot \"/\"";
print $fh "\n\tlog style combined";
print $fh "\n}\n";
return $self;
}
sub child {
my $self = shift;
my @sudo = $ENV{SUDO} ? $ENV{SUDO} : ();
my @ktrace = $ENV{KTRACE} ? ($ENV{KTRACE}, "-i") : ();
my $httpd = $ENV{HTTPD} ? $ENV{HTTPD} : "httpd";
my @cmd = (@sudo, @ktrace, $httpd, "-dvv", "-f", $self->{conffile});
print STDERR "execute: @cmd\n";
exec @cmd;
die ref($self), " exec '@cmd' failed: $!";
}
1;
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