FM / perl-base

/snap/gh/640/usr/lib/x86_64-linux-gnu/perl-base/

/snap/gh/640/usr/lib/x86_64-linux-gnu/perl-base

Name	Size	Mode	Actions
auto/	-	0755	rm
Carp/	-	0755	rm
Exporter/	-	0755	rm
File/	-	0755	rm
Getopt/	-	0755	rm
Hash/	-	0755	rm
IO/	-	0755	rm
IPC/	-	0755	rm
List/	-	0755	rm
Scalar/	-	0755	rm
Text/	-	0755	rm
Tie/	-	0755	rm
unicore/	-	0755	rm
warnings/	-	0755	rm
attributes.pm	3069	0644	edit dl rm
AutoLoader.pm	5487	0644	edit dl rm
base.pm	8912	0644	edit dl rm
builtin.pm	210	0644	edit dl rm
bytes.pm	489	0644	edit dl rm
bytes_heavy.pl	758	0644	edit dl rm
Carp.pm	25399	0644	edit dl rm
Config.pm	3278	0644	edit dl rm
Config_git.pl	409	0644	edit dl rm
Config_heavy.pl	58406	0644	edit dl rm
constant.pm	5737	0644	edit dl rm
Cwd.pm	17356	0644	edit dl rm
DynaLoader.pm	11266	0644	edit dl rm
Errno.pm	4913	0644	edit dl rm
Exporter.pm	2336	0644	edit dl rm
Fcntl.pm	2100	0644	edit dl rm
feature.pm	7891	0644	edit dl rm
fields.pm	5008	0644	edit dl rm
FileHandle.pm	2111	0644	edit dl rm
integer.pm	172	0644	edit dl rm
IO.pm	469	0644	edit dl rm
lib.pm	2284	0644	edit dl rm
locale.pm	3451	0644	edit dl rm
overload.pm	4857	0644	edit dl rm
overloading.pm	964	0644	edit dl rm
parent.pm	460	0644	edit dl rm
POSIX.pm	20442	0644	edit dl rm
re.pm	9556	0644	edit dl rm
SelectSaver.pm	344	0644	edit dl rm
Socket.pm	13865	0644	edit dl rm
strict.pm	1606	0644	edit dl rm
Symbol.pm	2205	0644	edit dl rm
utf8.pm	341	0644	edit dl rm
vars.pm	1148	0644	edit dl rm
warnings.pm	30504	0644	edit dl rm
XSLoader.pm	4115	0644	edit dl rm

Edit: /snap/gh/640/usr/lib/x86_64-linux-gnu/perl-base/Socket.pm (13865B)

package Socket;

use strict;
{ use v5.6.1; }

our $VERSION = '2.036';

# Still undocumented: SCM_*, SOMAXCONN, IOV_MAX, UIO_MAXIOV

use Carp;
use warnings::register;

require Exporter;
require XSLoader;
our @ISA = qw(Exporter);

# <@Nicholas> you can't change @EXPORT without breaking the implicit API
# Please put any new constants in @EXPORT_OK!

# List re-ordered to match documentation above. Try to keep the ordering
# consistent so it's easier to see which ones are or aren't documented.
our @EXPORT = qw(
	PF_802 PF_AAL PF_APPLETALK PF_CCITT PF_CHAOS PF_CTF PF_DATAKIT
	PF_DECnet PF_DLI PF_ECMA PF_GOSIP PF_HYLINK PF_IMPLINK PF_INET PF_INET6
	PF_ISO PF_KEY PF_LAST PF_LAT PF_LINK PF_MAX PF_NBS PF_NIT PF_NS PF_OSI
	PF_OSINET PF_PUP PF_ROUTE PF_SNA PF_UNIX PF_UNSPEC PF_USER PF_WAN
	PF_X25

AF_802 AF_AAL AF_APPLETALK AF_CCITT AF_CHAOS AF_CTF AF_DATAKIT
	AF_DECnet AF_DLI AF_ECMA AF_GOSIP AF_HYLINK AF_IMPLINK AF_INET AF_INET6
	AF_ISO AF_KEY AF_LAST AF_LAT AF_LINK AF_MAX AF_NBS AF_NIT AF_NS AF_OSI
	AF_OSINET AF_PUP AF_ROUTE AF_SNA AF_UNIX AF_UNSPEC AF_USER AF_WAN
	AF_X25

SOCK_DGRAM SOCK_RAW SOCK_RDM SOCK_SEQPACKET SOCK_STREAM

SOL_SOCKET

SO_ACCEPTCONN SO_ATTACH_FILTER SO_BACKLOG SO_BROADCAST SO_CHAMELEON
	SO_DEBUG SO_DETACH_FILTER SO_DGRAM_ERRIND SO_DOMAIN SO_DONTLINGER
	SO_DONTROUTE SO_ERROR SO_FAMILY SO_KEEPALIVE SO_LINGER SO_OOBINLINE
	SO_PASSCRED SO_PASSIFNAME SO_PEERCRED SO_PROTOCOL SO_PROTOTYPE
	SO_RCVBUF SO_RCVLOWAT SO_RCVTIMEO SO_REUSEADDR SO_REUSEPORT
	SO_SECURITY_AUTHENTICATION SO_SECURITY_ENCRYPTION_NETWORK
	SO_SECURITY_ENCRYPTION_TRANSPORT SO_SNDBUF SO_SNDLOWAT SO_SNDTIMEO
	SO_STATE SO_TYPE SO_USELOOPBACK SO_XOPEN SO_XSE

IP_HDRINCL IP_OPTIONS IP_RECVOPTS IP_RECVRETOPTS IP_RETOPTS IP_TOS
	IP_TTL

MSG_BCAST MSG_BTAG MSG_CTLFLAGS MSG_CTLIGNORE MSG_CTRUNC MSG_DONTROUTE
	MSG_DONTWAIT MSG_EOF MSG_EOR MSG_ERRQUEUE MSG_ETAG MSG_FASTOPEN MSG_FIN
	MSG_MAXIOVLEN MSG_MCAST MSG_NOSIGNAL MSG_OOB MSG_PEEK MSG_PROXY MSG_RST
	MSG_SYN MSG_TRUNC MSG_URG MSG_WAITALL MSG_WIRE

SHUT_RD SHUT_RDWR SHUT_WR

INADDR_ANY INADDR_BROADCAST INADDR_LOOPBACK INADDR_NONE

SCM_CONNECT SCM_CREDENTIALS SCM_CREDS SCM_RIGHTS SCM_TIMESTAMP

SOMAXCONN

IOV_MAX
	UIO_MAXIOV

sockaddr_family
	pack_sockaddr_in  unpack_sockaddr_in  sockaddr_in
	pack_sockaddr_in6 unpack_sockaddr_in6 sockaddr_in6
	pack_sockaddr_un  unpack_sockaddr_un  sockaddr_un

inet_aton inet_ntoa
);

# List re-ordered to match documentation above. Try to keep the ordering
# consistent so it's easier to see which ones are or aren't documented.
our @EXPORT_OK = qw(
	CR LF CRLF $CR $LF $CRLF

SOCK_NONBLOCK SOCK_CLOEXEC

IP_ADD_MEMBERSHIP IP_ADD_SOURCE_MEMBERSHIP IP_BIND_ADDRESS_NO_PORT
	IP_DROP_MEMBERSHIP IP_DROP_SOURCE_MEMBERSHIP IP_FREEBIND
	IP_MULTICAST_ALL IP_MULTICAST_IF IP_MULTICAST_LOOP IP_MULTICAST_TTL
	IP_MTU IP_MTU_DISCOVER IP_NODEFRAG IP_RECVERR IP_TRANSPARENT

IPPROTO_IP IPPROTO_IPV6 IPPROTO_RAW IPPROTO_ICMP IPPROTO_IGMP
	IPPROTO_TCP IPPROTO_UDP IPPROTO_GRE IPPROTO_ESP IPPROTO_AH
	IPPROTO_ICMPV6 IPPROTO_SCTP

IP_PMTUDISC_DO IP_PMTUDISC_DONT IP_PMTUDISC_PROBE IP_PMTUDISC_WANT

IPTOS_LOWDELAY IPTOS_THROUGHPUT IPTOS_RELIABILITY IPTOS_MINCOST

TCP_CONGESTION TCP_CONNECTIONTIMEOUT TCP_CORK TCP_DEFER_ACCEPT
	TCP_FASTOPEN TCP_INFO TCP_INIT_CWND TCP_KEEPALIVE TCP_KEEPCNT
	TCP_KEEPIDLE TCP_KEEPINTVL TCP_LINGER2 TCP_MAXRT TCP_MAXSEG
	TCP_MD5SIG TCP_NODELAY TCP_NOOPT TCP_NOPUSH TCP_QUICKACK
	TCP_SACK_ENABLE TCP_STDURG TCP_SYNCNT TCP_USER_TIMEOUT
	TCP_WINDOW_CLAMP

IN6ADDR_ANY IN6ADDR_LOOPBACK

IPV6_ADDRFROM IPV6_ADD_MEMBERSHIP IPV6_DROP_MEMBERSHIP IPV6_JOIN_GROUP
	IPV6_LEAVE_GROUP IPV6_MTU IPV6_MTU_DISCOVER IPV6_MULTICAST_HOPS
	IPV6_MULTICAST_IF IPV6_MULTICAST_LOOP IPV6_RECVERR IPV6_ROUTER_ALERT
	IPV6_UNICAST_HOPS IPV6_V6ONLY

SO_INCOMING_CPU SO_INCOMING_NAPI_ID SO_LOCK_FILTER SO_RCVBUFFORCE
	SO_SNDBUFFORCE

pack_ip_mreq unpack_ip_mreq pack_ip_mreq_source unpack_ip_mreq_source

pack_ipv6_mreq unpack_ipv6_mreq

inet_pton inet_ntop

getaddrinfo getnameinfo

AI_ADDRCONFIG AI_ALL AI_CANONIDN AI_CANONNAME AI_IDN
	AI_IDN_ALLOW_UNASSIGNED AI_IDN_USE_STD3_ASCII_RULES AI_NUMERICHOST
	AI_NUMERICSERV AI_PASSIVE AI_V4MAPPED

NI_DGRAM NI_IDN NI_IDN_ALLOW_UNASSIGNED NI_IDN_USE_STD3_ASCII_RULES
	NI_NAMEREQD NI_NOFQDN NI_NUMERICHOST NI_NUMERICSERV

NIx_NOHOST NIx_NOSERV

EAI_ADDRFAMILY EAI_AGAIN EAI_BADFLAGS EAI_BADHINTS EAI_FAIL EAI_FAMILY
	EAI_NODATA EAI_NONAME EAI_PROTOCOL EAI_SERVICE EAI_SOCKTYPE EAI_SYSTEM
);

our %EXPORT_TAGS = (
    crlf     => [qw(CR LF CRLF $CR $LF $CRLF)],
    addrinfo => [qw(getaddrinfo getnameinfo), grep m/^(?:AI|NI|NIx|EAI)_/, @EXPORT_OK],
    all      => [@EXPORT, @EXPORT_OK],
);

BEGIN {
    sub CR   () {"\015"}
    sub LF   () {"\012"}
    sub CRLF () {"\015\012"}

# These are not gni() constants; they're extensions for the perl API
    # The definitions in Socket.pm and Socket.xs must match
    sub NIx_NOHOST() {1 << 0}
    sub NIx_NOSERV() {1 << 1}
}

*CR   = \CR();
*LF   = \LF();
*CRLF = \CRLF();

# The four deprecated addrinfo constants
foreach my $name (qw( AI_IDN_ALLOW_UNASSIGNED AI_IDN_USE_STD3_ASCII_RULES NI_IDN_ALLOW_UNASSIGNED NI_IDN_USE_STD3_ASCII_RULES )) {
    no strict 'refs';
    *$name = sub {
	croak "The addrinfo constant $name is deprecated";
    };
}

sub sockaddr_in {
    if (@_ == 6 && !wantarray) { # perl5.001m compat; use this && die
	my($af, $port, @quad) = @_;
	warnings::warn "6-ARG sockaddr_in call is deprecated" 
	    if warnings::enabled();
	pack_sockaddr_in($port, inet_aton(join('.', @quad)));
    } elsif (wantarray) {
	croak "usage:   (port,iaddr) = sockaddr_in(sin_sv)" unless @_ == 1;
        unpack_sockaddr_in(@_);
    } else {
	croak "usage:   sin_sv = sockaddr_in(port,iaddr))" unless @_ == 2;
        pack_sockaddr_in(@_);
    }
}

sub sockaddr_in6 {
    if (wantarray) {
	croak "usage:   (port,in6addr,scope_id,flowinfo) = sockaddr_in6(sin6_sv)" unless @_ == 1;
	unpack_sockaddr_in6(@_);
    }
    else {
	croak "usage:   sin6_sv = sockaddr_in6(port,in6addr,[scope_id,[flowinfo]])" unless @_ >= 2 and @_ <= 4;
	pack_sockaddr_in6(@_);
    }
}

sub sockaddr_un {
    if (wantarray) {
	croak "usage:   (filename) = sockaddr_un(sun_sv)" unless @_ == 1;
        unpack_sockaddr_un(@_);
    } else {
	croak "usage:   sun_sv = sockaddr_un(filename)" unless @_ == 1;
        pack_sockaddr_un(@_);
    }
}

XSLoader::load(__PACKAGE__, $VERSION);

my %errstr;

if( defined &getaddrinfo ) {
    # These are not part of the API, nothing uses them, and deleting them
    # reduces the size of %Socket:: by about 12K
    delete $Socket::{fake_getaddrinfo};
    delete $Socket::{fake_getnameinfo};
} else {
    require Scalar::Util;

*getaddrinfo = \&fake_getaddrinfo;
    *getnameinfo = \&fake_getnameinfo;

# These numbers borrowed from GNU libc's implementation, but since
    # they're only used by our emulation, it doesn't matter if the real
    # platform's values differ
    my %constants = (
	AI_PASSIVE     => 1,
	AI_CANONNAME   => 2,
	AI_NUMERICHOST => 4,
	AI_V4MAPPED    => 8,
	AI_ALL         => 16,
	AI_ADDRCONFIG  => 32,
	# RFC 2553 doesn't define this but Linux does - lets be nice and
	# provide it since we can
	AI_NUMERICSERV => 1024,

EAI_BADFLAGS   => -1,
	EAI_NONAME     => -2,
	EAI_NODATA     => -5,
	EAI_FAMILY     => -6,
	EAI_SERVICE    => -8,

NI_NUMERICHOST => 1,
	NI_NUMERICSERV => 2,
	NI_NOFQDN      => 4,
	NI_NAMEREQD    => 8,
	NI_DGRAM       => 16,

# Constants we don't support. Export them, but croak if anyone tries to
	# use them
	AI_IDN      => 64,
	AI_CANONIDN => 128,
	NI_IDN      => 32,

# Error constants we'll never return, so it doesn't matter what value
	# these have, nor that we don't provide strings for them
	EAI_SYSTEM   => -11,
	EAI_BADHINTS => -1000,
	EAI_PROTOCOL => -1001
    );

foreach my $name ( keys %constants ) {
	my $value = $constants{$name};

no strict 'refs';
	defined &$name or *$name = sub () { $value };
    }

%errstr = (
	# These strings from RFC 2553
	EAI_BADFLAGS()   => "invalid value for ai_flags",
	EAI_NONAME()     => "nodename nor servname provided, or not known",
	EAI_NODATA()     => "no address associated with nodename",
	EAI_FAMILY()     => "ai_family not supported",
	EAI_SERVICE()    => "servname not supported for ai_socktype",
    );
}

# The following functions are used if the system does not have a
# getaddrinfo(3) function in libc; and are used to emulate it for the AF_INET
# family

# Borrowed from Regexp::Common::net
my $REGEXP_IPv4_DECIMAL = qr/25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}/;
my $REGEXP_IPv4_DOTTEDQUAD = qr/$REGEXP_IPv4_DECIMAL\.$REGEXP_IPv4_DECIMAL\.$REGEXP_IPv4_DECIMAL\.$REGEXP_IPv4_DECIMAL/;

sub fake_makeerr
{
    my ( $errno ) = @_;
    my $errstr = $errno == 0 ? "" : ( $errstr{$errno} || $errno );
    return Scalar::Util::dualvar( $errno, $errstr );
}

sub fake_getaddrinfo
{
    my ( $node, $service, $hints ) = @_;

$node = "" unless defined $node;

$service = "" unless defined $service;

my ( $family, $socktype, $protocol, $flags ) = @$hints{qw( family socktype protocol flags )};

$family ||= Socket::AF_INET(); # 0 == AF_UNSPEC, which we want too
    $family == Socket::AF_INET() or return fake_makeerr( EAI_FAMILY() );

$socktype ||= 0;

$protocol ||= 0;

$flags ||= 0;

my $flag_passive     = $flags & AI_PASSIVE();     $flags &= ~AI_PASSIVE();
    my $flag_canonname   = $flags & AI_CANONNAME();   $flags &= ~AI_CANONNAME();
    my $flag_numerichost = $flags & AI_NUMERICHOST(); $flags &= ~AI_NUMERICHOST();
    my $flag_numericserv = $flags & AI_NUMERICSERV(); $flags &= ~AI_NUMERICSERV();

# These constants don't apply to AF_INET-only lookups, so we might as well
    # just ignore them. For AI_ADDRCONFIG we just presume the host has ability
    # to talk AF_INET. If not we'd have to return no addresses at all. :)
    $flags &= ~(AI_V4MAPPED()|AI_ALL()|AI_ADDRCONFIG());

$flags & (AI_IDN()|AI_CANONIDN()) and
	croak "Socket::getaddrinfo() does not support IDN";

$flags == 0 or return fake_makeerr( EAI_BADFLAGS() );

$node eq "" and $service eq "" and return fake_makeerr( EAI_NONAME() );

my $canonname;
    my @addrs;
    if( $node ne "" ) {
	return fake_makeerr( EAI_NONAME() ) if( $flag_numerichost and $node !~ m/^$REGEXP_IPv4_DOTTEDQUAD$/ );
	( $canonname, undef, undef, undef, @addrs ) = gethostbyname( $node );
	defined $canonname or return fake_makeerr( EAI_NONAME() );

undef $canonname unless $flag_canonname;
    }
    else {
	$addrs[0] = $flag_passive ? Socket::inet_aton( "0.0.0.0" )
				  : Socket::inet_aton( "127.0.0.1" );
    }

my @ports; # Actually ARRAYrefs of [ socktype, protocol, port ]
    my $protname = "";
    if( $protocol ) {
	$protname = eval { getprotobynumber( $protocol ) };
    }

if( $service ne "" and $service !~ m/^\d+$/ ) {
	return fake_makeerr( EAI_NONAME() ) if( $flag_numericserv );
	getservbyname( $service, $protname ) or return fake_makeerr( EAI_SERVICE() );
    }

foreach my $this_socktype ( Socket::SOCK_STREAM(), Socket::SOCK_DGRAM(), Socket::SOCK_RAW() ) {
	next if $socktype and $this_socktype != $socktype;

my $this_protname = "raw";
	$this_socktype == Socket::SOCK_STREAM() and $this_protname = "tcp";
	$this_socktype == Socket::SOCK_DGRAM()  and $this_protname = "udp";

next if $protname and $this_protname ne $protname;

my $port;
	if( $service ne "" ) {
	    if( $service =~ m/^\d+$/ ) {
		$port = "$service";
	    }
	    else {
		( undef, undef, $port, $this_protname ) = getservbyname( $service, $this_protname );
		next unless defined $port;
	    }
	}
	else {
	    $port = 0;
	}

push @ports, [ $this_socktype, eval { scalar getprotobyname( $this_protname ) } || 0, $port ];
    }

my @ret;
    foreach my $addr ( @addrs ) {
	foreach my $portspec ( @ports ) {
	    my ( $socktype, $protocol, $port ) = @$portspec;
	    push @ret, {
		family    => $family,
		socktype  => $socktype,
		protocol  => $protocol,
		addr      => Socket::pack_sockaddr_in( $port, $addr ),
		canonname => undef,
	    };
	}
    }

# Only supply canonname for the first result
    if( defined $canonname ) {
	$ret[0]->{canonname} = $canonname;
    }

return ( fake_makeerr( 0 ), @ret );
}

sub fake_getnameinfo
{
    my ( $addr, $flags, $xflags ) = @_;

my ( $port, $inetaddr );
    eval { ( $port, $inetaddr ) = Socket::unpack_sockaddr_in( $addr ) }
	or return fake_makeerr( EAI_FAMILY() );

my $family = Socket::AF_INET();

$flags ||= 0;

my $flag_numerichost = $flags & NI_NUMERICHOST(); $flags &= ~NI_NUMERICHOST();
    my $flag_numericserv = $flags & NI_NUMERICSERV(); $flags &= ~NI_NUMERICSERV();
    my $flag_nofqdn      = $flags & NI_NOFQDN();      $flags &= ~NI_NOFQDN();
    my $flag_namereqd    = $flags & NI_NAMEREQD();    $flags &= ~NI_NAMEREQD();
    my $flag_dgram       = $flags & NI_DGRAM()   ;    $flags &= ~NI_DGRAM();

$flags & NI_IDN() and
	croak "Socket::getnameinfo() does not support IDN";

$flags == 0 or return fake_makeerr( EAI_BADFLAGS() );

$xflags ||= 0;

my $node;
    if( $xflags & NIx_NOHOST ) {
	$node = undef;
    }
    elsif( $flag_numerichost ) {
	$node = Socket::inet_ntoa( $inetaddr );
    }
    else {
	$node = gethostbyaddr( $inetaddr, $family );
	if( !defined $node ) {
	    return fake_makeerr( EAI_NONAME() ) if $flag_namereqd;
	    $node = Socket::inet_ntoa( $inetaddr );
	}
	elsif( $flag_nofqdn ) {
	    my ( $shortname ) = split m/\./, $node;
	    my ( $fqdn ) = gethostbyname $shortname;
	    $node = $shortname if defined $fqdn and $fqdn eq $node;
	}
    }

my $service;
    if( $xflags & NIx_NOSERV ) {
	$service = undef;
    }
    elsif( $flag_numericserv ) {
	$service = "$port";
    }
    else {
	my $protname = $flag_dgram ? "udp" : "";
	$service = getservbyport( $port, $protname );
	if( !defined $service ) {
	    $service = "$port";
	}
    }

return ( fake_makeerr( 0 ), $node, $service );
}

cmd: