1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
#!/usr/bin/env perl
use strict;
use warnings;
BEGIN {
unless(grep /blib/, @INC) {
chdir 't' if -d 't';
unshift @INC,'../lib';
}
}
use Config;
BEGIN {
if(-d "lib" && -f "TEST") {
my $reason;
if (! $Config{'d_fork'}) {
$reason = 'no fork';
}
elsif ($Config{'extensions'} !~ /\bSocket\b/) {
$reason = 'Socket extension unavailable';
}
elsif ($Config{'extensions'} !~ /\bSocket6\b/) {
$reason = 'Socket6 extension unavailable';
}
elsif ($Config{'extensions'} !~ /\bIO\b/) {
$reason = 'IO extension unavailable';
}
if ($reason) {
print "1..0 # SKIP $reason\n";
exit 0;
}
}
if ($^O eq 'MSWin32') {
print "1..0 # SKIP accept() fails for IPv6 under MSWin32\n";
exit 0;
}
}
# check that localhost resolves to 127.0.0.1 and ::1
# otherwise the test will not work
use Socket;
use Socket6;
{
my %resolved_addresses;
my @r = getaddrinfo('localhost',1);
if (@r < 5) {
print "1..0 # SKIP getaddrinfo('localhost',1) failed: $r[0]\n";
exit 0;
}
while (@r) {
my @values = splice(@r,0,5);
my ($fam,$addr) = @values[0,3];
$addr =
(
($fam == AF_INET)
? ( (unpack_sockaddr_in($addr))[1] )
: ( (unpack_sockaddr_in6($addr))[1] )
);
$resolved_addresses{inet_ntop($fam,$addr)}++;
}
if (! $resolved_addresses{'127.0.0.1'} || ! $resolved_addresses{'::1'}) {
print "1..0 # SKIP localhost does not resolve to both 127.0.0.1 and ::1\n";
exit 0;
}
}
use IO::Socket::INET6;
$| = 1;
print "1..8\n";
eval {
$SIG{ALRM} = sub { die; };
alarm 60;
};
# find out if the host prefers inet or inet6 by offering
# both and checking where it connects
my ($port,@srv);
for my $addr ( '127.0.0.1','::1' ) {
push @srv,
IO::Socket::INET6->new(
Listen => 2,
LocalAddr => $addr,
LocalPort => $port,
) or die "listen on $addr port $port: $!";
$port ||= $srv[-1]->sockport;
}
print "ok 1\n";
if (my $pid = fork()) {
my $vec = '';
vec($vec,fileno($_),1) = 1 for(@srv);
select($vec,undef,undef,5) or die $!;
# connected to first, not second
my ($first,$second) = vec($vec,fileno($srv[0]),1) ? @srv[0,1]:@srv[1,0];
my $cl = $first->accept or die $!;
# listener should not work for next connect
# so it needs to try second
close($first);
# make sure established connection works
my $fam0 = ( $cl->sockdomain == AF_INET ) ? 'inet':'inet6';
print {$cl} "ok 2 # $fam0\n";
print $cl->getline(); # ok 3
# So we'll be sure ok 3 has already been printed.
print {$cl} "Move on, will ya!\n";
close($cl);
# ... ok 4 comes when client fails to connect to first
# wait for connect on second and make sure it works
$vec = '';
vec($vec,fileno($second),1) = 1;
if ( select($vec,undef,undef,5)) {
my $cl2 = $second->accept or die $!;
my $fam1 = ( $cl2->sockdomain == AF_INET ) ? 'inet':'inet6';
print {$cl2} "ok 5 # $fam1\n";
print $cl2->getline(); # ok 6
close($cl2);
# should be different families
print "not " if $fam0 eq $fam1;
print "ok 7\n";
}
waitpid($pid,0);
print "ok 8\n";
} elsif (defined $pid) {
close($_) for (@srv);
# should work because server is listening on inet and inet6
my $cl = IO::Socket::INET6->new(
PeerPort => $port,
PeerAddr => 'localhost',
Timeout => 5,
) or die "$@";
print $cl->getline(); # ok 2
print {$cl} "ok 3\n";
# So we'll be sure ok 3 has already been printed.
$cl->getline();
close($cl);
# this should not work because listener is closed
if ( $cl = IO::Socket::INET6->new(
PeerPort => $port,
PeerAddr => 'localhost',
Timeout => 5,
)) {
print "not ok 4\n";
exit;
}
print "ok 4\n";
# but same thing with multihoming should work because server
# is still listening on the other family
$cl = IO::Socket::INET6->new(
PeerPort => $port,
PeerAddr => 'localhost',
Timeout => 5,
MultiHomed => 1,
) or do {
print "not ok 5\n";
exit;
};
print $cl->getline(); # ok 5
print {$cl} "ok 6\n";
exit;
} else {
die $!; # fork failed
}
|
