1#!./perl 2 3use v5.6.1; 4use strict; 5use warnings; 6 7use Socket qw( 8 AF_INET 9 inet_ntoa inet_aton inet_ntop inet_pton 10 pack_sockaddr_in unpack_sockaddr_in sockaddr_in 11 pack_sockaddr_un unpack_sockaddr_un 12 sockaddr_family 13 sockaddr_un 14); 15use Test::More tests => 50; 16 17# inet_aton, inet_ntoa 18{ 19 is(join(".", unpack("C*",inet_aton("10.20.30.40"))), "10.20.30.40", 'inet_aton returns packed bytes'); 20 21 is(inet_ntoa(v10.20.30.40), "10.20.30.40", 'inet_ntoa from v-string'); 22 23 is(inet_ntoa(inet_aton("10.20.30.40")), "10.20.30.40", 'inet_aton->inet_ntoa roundtrip'); 24 25 local $@; 26 eval { inet_ntoa(v10.20.30.400) }; 27 like($@, qr/^Wide character in Socket::inet_ntoa at/, 'inet_ntoa warns about wide characters'); 28} 29 30# inet_ntop, inet_pton 31SKIP: { 32 skip "No inet_ntop", 5 unless defined eval { inet_pton(AF_INET, "10.20.30.40") }; 33 34 is(join(".", unpack("C*",inet_pton(AF_INET, "10.20.30.40"))), "10.20.30.40", 'inet_pton AF_INET returns packed bytes'); 35 36 is(inet_ntop(AF_INET, v10.20.30.40), "10.20.30.40", 'inet_ntop AF_INET from v-string'); 37 38 is(inet_ntop(AF_INET, inet_pton(AF_INET, "10.20.30.40")), "10.20.30.40", 'inet_pton->inet_ntop AF_INET roundtrip'); 39 is(inet_ntop(AF_INET, inet_aton("10.20.30.40")), "10.20.30.40", 'inet_aton->inet_ntop AF_INET roundtrip'); 40 41 local $@; 42 eval { inet_ntop(AF_INET, v10.20.30.400) }; 43 like($@, qr/^Wide character in Socket::inet_ntop at/, 'inet_ntop warns about wide characters'); 44} 45 46SKIP: { 47 skip "No AF_INET6", 3 unless my $AF_INET6 = eval { Socket::AF_INET6() }; 48 skip "No inet_ntop", 3 unless defined eval { inet_pton($AF_INET6, "2460::1") }; 49 50 is(uc unpack("H*",inet_pton($AF_INET6, "2001:503:BA3E::2:30")), "20010503BA3E00000000000000020030", 51 'inet_pton AF_INET6 returns packed bytes'); 52 53 is(uc inet_ntop($AF_INET6, "\x20\x01\x05\x03\xBA\x3E\x00\x00\x00\x00\x00\x00\x00\x02\x00\x30"), "2001:503:BA3E::2:30", 54 'inet_ntop AF_INET6 from octet string'); 55 56 is(lc inet_ntop($AF_INET6, inet_pton($AF_INET6, "2001:503:BA3E::2:30")), "2001:503:ba3e::2:30", 57 'inet_pton->inet_ntop AF_INET6 roundtrip'); 58} 59 60# sockaddr_family 61{ 62 local $@; 63 eval { sockaddr_family("") }; 64 like($@, qr/^Bad arg length for Socket::sockaddr_family, length is 0, should be at least \d+/, 'sockaddr_family warns about argument length'); 65} 66 67# pack_sockaddr_in, unpack_sockaddr_in 68# sockaddr_in 69{ 70 my $sin = pack_sockaddr_in 100, inet_aton("10.20.30.40"); 71 ok(defined $sin, 'pack_sockaddr_in defined'); 72 73 is(sockaddr_family($sin), AF_INET, 'sockaddr_family of pack_sockaddr_in' ); 74 75 is( (unpack_sockaddr_in($sin))[0] , 100, 'pack_sockaddr_in->unpack_sockaddr_in port'); 76 is(inet_ntoa((unpack_sockaddr_in($sin))[1]), "10.20.30.40", 'pack_sockaddr_in->unpack_sockaddr_in addr'); 77 78 is(inet_ntoa(scalar unpack_sockaddr_in($sin)), "10.20.30.40", 'unpack_sockaddr_in in scalar context yields addr'); 79 80 is_deeply( [ sockaddr_in($sin) ], [ unpack_sockaddr_in($sin) ], 81 'sockaddr_in in list context unpacks' ); 82 83 is(sockaddr_family(scalar sockaddr_in(200,v10.30.50.70)), AF_INET, 84 'sockaddr_in in scalar context packs'); 85 86 my $warnings = ""; 87 local $SIG{__WARN__} = sub { $warnings .= $_[0]; }; 88 ok( !eval { pack_sockaddr_in 0, undef; 1 }, 89 'pack_sockaddr_in undef addr is fatal' ); 90 ok( !eval { unpack_sockaddr_in undef; 1 }, 91 'unpack_sockaddr_in undef is fatal' ); 92 93 ok( eval { pack_sockaddr_in undef, "\0\0\0\0"; 1 }, 94 'pack_sockaddr_in undef port is allowed' ); 95 96 is( $warnings, "", 'undefined values produced no warnings' ); 97 98 ok( eval { pack_sockaddr_in 98765, "\0\0\0\0"; 1 }, 99 'pack_sockaddr_in oversized port is allowed' ); 100 like( $warnings, qr/^Port number above 0xFFFF, will be truncated to 33229 for Socket::pack_sockaddr_in at /, 101 'pack_sockaddr_in oversized port warning' ); 102} 103 104# pack_sockaddr_in6, unpack_sockaddr_in6 105# sockaddr_in6 106SKIP: { 107 skip "No AF_INET6", 15 unless my $AF_INET6 = eval { Socket::AF_INET6() }; 108 skip "Cannot pack_sockaddr_in6()", 15 unless my $sin6 = eval { Socket::pack_sockaddr_in6(0x1234, "0123456789abcdef", 0, 89) }; 109 110 ok(defined $sin6, 'pack_sockaddr_in6 defined'); 111 112 is(sockaddr_family($sin6), $AF_INET6, 'sockaddr_family of pack_sockaddr_in6'); 113 114 is((Socket::unpack_sockaddr_in6($sin6))[0], 0x1234, 'pack_sockaddr_in6->unpack_sockaddr_in6 port'); 115 is((Socket::unpack_sockaddr_in6($sin6))[1], "0123456789abcdef", 'pack_sockaddr_in6->unpack_sockaddr_in6 addr'); 116 is((Socket::unpack_sockaddr_in6($sin6))[2], 0, 'pack_sockaddr_in6->unpack_sockaddr_in6 scope_id'); 117 is((Socket::unpack_sockaddr_in6($sin6))[3], 89, 'pack_sockaddr_in6->unpack_sockaddr_in6 flowinfo'); 118 119 is(scalar Socket::unpack_sockaddr_in6($sin6), "0123456789abcdef", 'unpack_sockaddr_in6 in scalar context yields addr'); 120 121 is_deeply( [ Socket::sockaddr_in6($sin6) ], [ Socket::unpack_sockaddr_in6($sin6) ], 122 'sockaddr_in6 in list context unpacks' ); 123 124 is(sockaddr_family(scalar Socket::sockaddr_in6(0x1357, "02468ace13579bdf")), $AF_INET6, 125 'sockaddr_in6 in scalar context packs' ); 126 127 my $warnings = ""; 128 local $SIG{__WARN__} = sub { $warnings .= $_[0]; }; 129 ok( !eval { Socket::pack_sockaddr_in6( 0, undef ); 1 }, 130 'pack_sockaddr_in6 undef addr is fatal' ); 131 ok( !eval { Socket::unpack_sockaddr_in6( undef ); 1 }, 132 'unpack_sockaddr_in6 undef is fatal' ); 133 134 ok( eval { Socket::pack_sockaddr_in6( undef, "\0"x16 ); 1 }, 135 'pack_sockaddr_in6 undef port is allowed' ); 136 137 is( $warnings, "", 'undefined values produced no warnings' ); 138 139 ok( eval { Socket::pack_sockaddr_in6( 98765, "\0"x16 ); 1 }, 140 'pack_sockaddr_in6 oversized port is allowed' ); 141 like( $warnings, qr/^Port number above 0xFFFF, will be truncated to 33229 for Socket::pack_sockaddr_in6 at /, 142 'pack_sockaddr_in6 oversized port warning' ); 143} 144 145# sockaddr_un on abstract paths 146SKIP: { 147 # see if we can handle abstract sockets 148 skip "Abstract AF_UNIX paths unsupported", 7 unless $^O eq "linux"; 149 150 my $test_abstract_socket = chr(0) . '/org/perl/hello'. chr(0) . 'world'; 151 my $addr = sockaddr_un ($test_abstract_socket); 152 my ($path) = sockaddr_un ($addr); 153 is($path, $test_abstract_socket, 'sockaddr_un can handle abstract AF_UNIX paths'); 154 155 # see if we calculate the address structure length correctly 156 is(length ($test_abstract_socket) + 2, length $addr, 'sockaddr_un abstract address length'); 157 158 my $warnings = 0; 159 local $SIG{__WARN__} = sub { $warnings++ }; 160 ok( !eval { pack_sockaddr_un( undef ); 1 }, 161 'pack_sockaddr_un undef path is fatal' ); 162 ok( !eval { unpack_sockaddr_un( undef ); 1 }, 163 'unpack_sockaddr_un undef is fatal' ); 164 165 is( $warnings, 0, 'undefined values produced no warnings' ); 166 167 ok( eval { pack_sockaddr_un( "x" x 0x10000 ); 1 }, 168 'pack_sockaddr_un(very long path) succeeds' ) or diag( "Died: $@" ); 169 is( $warnings, 1, 'pack_sockaddr_in(very long path) warns' ); 170} 171 172# warnings 173{ 174 my $w = 0; 175 local $SIG{__WARN__} = sub { 176 ++ $w if $_[0] =~ /^6-ARG sockaddr_in call is deprecated/ ; 177 }; 178 179 no warnings 'Socket'; 180 sockaddr_in(1,2,3,4,5,6) ; 181 is($w, 0, "sockaddr_in deprecated form doesn't warn without lexical warnings"); 182 183 use warnings 'Socket'; 184 sockaddr_in(1,2,3,4,5,6) ; 185 is($w, 1, "sockaddr_in deprecated form warns with lexical warnings"); 186} 187