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From 067faffb8e596a53c9ac2ed7e571472f7a163681 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
Date: Mon, 16 Jan 2017 16:13:08 +0100
Subject: [PATCH] Add IPv6 support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This patch ports the code from IO::Socket::INET to IO::Socket::IP in
order to support IPv6.
CPAN RT #91699, #71395.
Signed-off-by: Petr Písař <ppisar@redhat.com>
---
Makefile.PL | 1 +
README | 24 ++++++++++++------------
lib/HTTP/Daemon.pm | 43 ++++++++++++++++++++++++++++---------------
t/chunked.t | 34 +++++++++++++++++++++++-----------
4 files changed, 64 insertions(+), 38 deletions(-)
diff --git a/Makefile.PL b/Makefile.PL
index 09c7e86..85d5712 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -14,6 +14,7 @@ WriteMakefile(
PREREQ_PM => {
'Sys::Hostname' => 0,
'IO::Socket' => 0,
+ 'IO::Socket::IP' => 0,
'HTTP::Request' => 6,
'HTTP::Response' => 6,
'HTTP::Status' => 6,
diff --git a/README b/README
index be5a20a..ddb3b6e 100644
--- a/README
+++ b/README
@@ -24,12 +24,12 @@ SYNOPSIS
DESCRIPTION
Instances of the `HTTP::Daemon' class are HTTP/1.1 servers that listen
on a socket for incoming requests. The `HTTP::Daemon' is a subclass of
- `IO::Socket::INET', so you can perform socket operations directly on it
+ `IO::Socket::IP', so you can perform socket operations directly on it
too.
The accept() method will return when a connection from a client is
available. The returned value will be an `HTTP::Daemon::ClientConn'
- object which is another `IO::Socket::INET' subclass. Calling the
+ object which is another `IO::Socket::IP' subclass. Calling the
get_request() method on this object will read data from the client and
return an `HTTP::Request' object. The ClientConn object also provide
methods to send back various responses.
@@ -40,13 +40,13 @@ DESCRIPTION
responses that conform to the HTTP/1.1 protocol.
The following methods of `HTTP::Daemon' are new (or enhanced) relative
- to the `IO::Socket::INET' base class:
+ to the `IO::Socket::IP' base class:
$d = HTTP::Daemon->new
$d = HTTP::Daemon->new( %opts )
The constructor method takes the same arguments as the
- `IO::Socket::INET' constructor, but unlike its base class it can
- also be called without any arguments. The daemon will then set up a
+ `IO::Socket::IP' constructor, but unlike its base class it can also
+ be called without any arguments. The daemon will then set up a
listen queue of 5 connections and allocate some random port number.
A server that wants to bind to some specific address on the standard
@@ -57,8 +57,8 @@ DESCRIPTION
LocalPort => 80,
);
- See IO::Socket::INET for a description of other arguments that can
- be used configure the daemon during construction.
+ See IO::Socket::IP for a description of other arguments that can be
+ used configure the daemon during construction.
$c = $d->accept
$c = $d->accept( $pkg )
@@ -71,7 +71,7 @@ DESCRIPTION
The accept method will return `undef' if timeouts have been enabled
and no connection is made within the given time. The timeout()
- method is described in IO::Socket.
+ method is described in IO::Socket::IP.
In list context both the client object and the peer address will be
returned; see the description of the accept method IO::Socket for
@@ -89,9 +89,9 @@ DESCRIPTION
The default is the string "libwww-perl-daemon/#.##" where "#.##" is
replaced with the version number of this module.
- The `HTTP::Daemon::ClientConn' is a `IO::Socket::INET' subclass.
- Instances of this class are returned by the accept() method of
- `HTTP::Daemon'. The following methods are provided:
+ The `HTTP::Daemon::ClientConn' is a `IO::Socket::IP' subclass. Instances
+ of this class are returned by the accept() method of `HTTP::Daemon'. The
+ following methods are provided:
$c->get_request
$c->get_request( $headers_only )
@@ -227,7 +227,7 @@ DESCRIPTION
SEE ALSO
RFC 2616
- IO::Socket::INET, IO::Socket
+ IO::Socket::IP, IO::Socket
COPYRIGHT
Copyright 1996-2003, Gisle Aas
diff --git a/lib/HTTP/Daemon.pm b/lib/HTTP/Daemon.pm
index 27a7bf4..0e22b77 100644
--- a/lib/HTTP/Daemon.pm
+++ b/lib/HTTP/Daemon.pm
@@ -5,8 +5,10 @@ use vars qw($VERSION @ISA $PROTO $DEBUG);
$VERSION = "6.01";
-use IO::Socket qw(AF_INET INADDR_ANY INADDR_LOOPBACK inet_ntoa);
-@ISA=qw(IO::Socket::INET);
+use Socket qw(AF_INET AF_INET6 INADDR_ANY IN6ADDR_ANY
+ INADDR_LOOPBACK IN6ADDR_LOOPBACK inet_ntop sockaddr_family);
+use IO::Socket::IP;
+@ISA=qw(IO::Socket::IP);
$PROTO = "HTTP/1.1";
@@ -40,15 +42,26 @@ sub url
my $self = shift;
my $url = $self->_default_scheme . "://";
my $addr = $self->sockaddr;
- if (!$addr || $addr eq INADDR_ANY) {
+ if (!$addr || $addr eq INADDR_ANY || $addr eq IN6ADDR_ANY) {
require Sys::Hostname;
$url .= lc Sys::Hostname::hostname();
}
elsif ($addr eq INADDR_LOOPBACK) {
- $url .= inet_ntoa($addr);
+ $url .= inet_ntop(AF_INET, $addr);
+ }
+ elsif ($addr eq IN6ADDR_LOOPBACK) {
+ $url .= '[' . inet_ntop(AF_INET6, $addr) . ']';
}
else {
- $url .= gethostbyaddr($addr, AF_INET) || inet_ntoa($addr);
+ my $host = $addr->sockhostname;
+ if (!defined $host) {
+ if (sockaddr_family($addr) eq AF_INET6) {
+ $host = '[' . inet_ntop(AF_INET6, $addr) . ']';
+ } else {
+ $host = inet_ntop(AF_INET6, $addr);
+ }
+ }
+ $url .= $host;
}
my $port = $self->sockport;
$url .= ":$port" if $port != $self->_default_port;
@@ -77,8 +90,8 @@ sub product_tokens
package HTTP::Daemon::ClientConn;
use vars qw(@ISA $DEBUG);
-use IO::Socket ();
-@ISA=qw(IO::Socket::INET);
+use IO::Socket::IP ();
+@ISA=qw(IO::Socket::IP);
*DEBUG = \$HTTP::Daemon::DEBUG;
use HTTP::Request ();
@@ -645,12 +658,12 @@ HTTP::Daemon - a simple http server class
Instances of the C<HTTP::Daemon> class are HTTP/1.1 servers that
listen on a socket for incoming requests. The C<HTTP::Daemon> is a
-subclass of C<IO::Socket::INET>, so you can perform socket operations
+subclass of C<IO::Socket::IP>, so you can perform socket operations
directly on it too.
The accept() method will return when a connection from a client is
available. The returned value will be an C<HTTP::Daemon::ClientConn>
-object which is another C<IO::Socket::INET> subclass. Calling the
+object which is another C<IO::Socket::IP> subclass. Calling the
get_request() method on this object will read data from the client and
return an C<HTTP::Request> object. The ClientConn object also provide
methods to send back various responses.
@@ -661,7 +674,7 @@ desirable. Also note that the user is responsible for generating
responses that conform to the HTTP/1.1 protocol.
The following methods of C<HTTP::Daemon> are new (or enhanced) relative
-to the C<IO::Socket::INET> base class:
+to the C<IO::Socket::IP> base class:
=over 4
@@ -670,7 +683,7 @@ to the C<IO::Socket::INET> base class:
=item $d = HTTP::Daemon->new( %opts )
The constructor method takes the same arguments as the
-C<IO::Socket::INET> constructor, but unlike its base class it can also
+C<IO::Socket::IP> constructor, but unlike its base class it can also
be called without any arguments. The daemon will then set up a listen
queue of 5 connections and allocate some random port number.
@@ -682,7 +695,7 @@ HTTP port will be constructed like this:
LocalPort => 80,
);
-See L<IO::Socket::INET> for a description of other arguments that can
+See L<IO::Socket::IP> for a description of other arguments that can
be used configure the daemon during construction.
=item $c = $d->accept
@@ -699,7 +712,7 @@ class a subclass of C<HTTP::Daemon::ClientConn>.
The accept method will return C<undef> if timeouts have been enabled
and no connection is made within the given time. The timeout() method
-is described in L<IO::Socket>.
+is described in L<IO::Socket::IP>.
In list context both the client object and the peer address will be
returned; see the description of the accept method L<IO::Socket> for
@@ -721,7 +734,7 @@ replaced with the version number of this module.
=back
-The C<HTTP::Daemon::ClientConn> is a C<IO::Socket::INET>
+The C<HTTP::Daemon::ClientConn> is a C<IO::Socket::IP>
subclass. Instances of this class are returned by the accept() method
of C<HTTP::Daemon>. The following methods are provided:
@@ -895,7 +908,7 @@ Return a reference to the corresponding C<HTTP::Daemon> object.
RFC 2616
-L<IO::Socket::INET>, L<IO::Socket>
+L<IO::Socket::IP>, L<IO::Socket>
=head1 COPYRIGHT
diff --git a/t/chunked.t b/t/chunked.t
index e11799f..c274b11 100644
--- a/t/chunked.t
+++ b/t/chunked.t
@@ -95,18 +95,30 @@ my $can_fork = $Config{d_fork} ||
my $tests = @TESTS;
my $tport = 8333;
-my $tsock = IO::Socket::INET->new(LocalAddr => '0.0.0.0',
- LocalPort => $tport,
- Listen => 1,
- ReuseAddr => 1);
+my @addresses = (
+ { server => '::', client => '::1' },
+ { server => '0.0.0.0', client => '127.0.0.1' }
+);
+my $family;
+for my $id (0..$#addresses) {
+ my $tsock = IO::Socket::IP->new(LocalAddr => $addresses[$id]->{server},
+ LocalPort => $tport,
+ Listen => 1,
+ ReuseAddr => 1);
+ if ($tsock) {
+ close $tsock;
+ $family = $id;
+ last;
+ }
+}
+
if (!$can_fork) {
plan skip_all => "This system cannot fork";
}
-elsif (!$tsock) {
- plan skip_all => "Cannot listen on 0.0.0.0:$tport";
+elsif (!defined $family) {
+ plan skip_all => "Cannot listen on unspecifed address and port $tport";
}
else {
- close $tsock;
plan tests => $tests;
}
@@ -132,9 +144,9 @@ if ($pid = fork) {
open my $fh, "| socket localhost $tport" or die;
print $fh $test;
}
- use IO::Socket::INET;
- my $sock = IO::Socket::INET->new(
- PeerAddr => "127.0.0.1",
+ use IO::Socket::IP;
+ my $sock = IO::Socket::IP->new(
+ PeerAddr => $addresses[$family]->{client},
PeerPort => $tport,
) or die;
if (0) {
@@ -158,7 +170,7 @@ if ($pid = fork) {
} else {
die "cannot fork: $!" unless defined $pid;
my $d = HTTP::Daemon->new(
- LocalAddr => '0.0.0.0',
+ LocalAddr => $addresses[$family]->{server},
LocalPort => $tport,
ReuseAddr => 1,
) or die;
--
2.7.4