… | |
… | |
429 | appropriate error message. |
429 | appropriate error message. |
430 | |
430 | |
431 | TLS mode requires Net::SSLeay to be installed (it will be loaded |
431 | TLS mode requires Net::SSLeay to be installed (it will be loaded |
432 | automatically when you try to create a TLS handle): this module doesn't |
432 | automatically when you try to create a TLS handle): this module doesn't |
433 | have a dependency on that module, so if your module requires it, you have |
433 | have a dependency on that module, so if your module requires it, you have |
434 | to add the dependency yourself. |
434 | to add the dependency yourself. If Net::SSLeay cannot be loaded or is too |
|
|
435 | old, you get an C<EPROTO> error. |
435 | |
436 | |
436 | Unlike TCP, TLS has a server and client side: for the TLS server side, use |
437 | Unlike TCP, TLS has a server and client side: for the TLS server side, use |
437 | C<accept>, and for the TLS client side of a connection, use C<connect> |
438 | C<accept>, and for the TLS client side of a connection, use C<connect> |
438 | mode. |
439 | mode. |
439 | |
440 | |
… | |
… | |
495 | callback. |
496 | callback. |
496 | |
497 | |
497 | This callback will only be called on TLS shutdowns, not when the |
498 | This callback will only be called on TLS shutdowns, not when the |
498 | underlying handle signals EOF. |
499 | underlying handle signals EOF. |
499 | |
500 | |
500 | =item json => JSON or JSON::XS object |
501 | =item json => L<JSON>, L<JSON::PP> or L<JSON::XS> object |
501 | |
502 | |
502 | This is the json coder object used by the C<json> read and write types. |
503 | This is the json coder object used by the C<json> read and write types. |
503 | |
504 | |
504 | If you don't supply it, then AnyEvent::Handle will create and use a |
505 | If you don't supply it, then AnyEvent::Handle will create and use a |
505 | suitable one (on demand), which will write and expect UTF-8 encoded JSON |
506 | suitable one (on demand), which will write and expect UTF-8 encoded JSON |
506 | texts. |
507 | texts. |
507 | |
508 | |
|
|
509 | =item cbor => L<CBOR::XS> object |
|
|
510 | |
|
|
511 | This is the cbor coder object used by the C<cbor> read and write types. |
|
|
512 | |
|
|
513 | If you don't supply it, then AnyEvent::Handle will create and use a |
|
|
514 | suitable one (on demand), which will write CBOR without using extensions, |
|
|
515 | if possible. texts. |
|
|
516 | |
508 | Note that you are responsible to depend on the JSON module if you want to |
517 | Note that you are responsible to depend on the L<CBOR::XS> module if you |
509 | use this functionality, as AnyEvent does not have a dependency itself. |
518 | want to use this functionality, as AnyEvent does not have a dependency on |
|
|
519 | it itself. |
510 | |
520 | |
511 | =back |
521 | =back |
512 | |
522 | |
513 | =cut |
523 | =cut |
514 | |
524 | |
… | |
… | |
1052 | |
1062 | |
1053 | The generated JSON text is guaranteed not to contain any newlines: While |
1063 | The generated JSON text is guaranteed not to contain any newlines: While |
1054 | this module doesn't need delimiters after or between JSON texts to be |
1064 | this module doesn't need delimiters after or between JSON texts to be |
1055 | able to read them, many other languages depend on that. |
1065 | able to read them, many other languages depend on that. |
1056 | |
1066 | |
1057 | A simple RPC protocol that interoperates easily with others is to send |
1067 | A simple RPC protocol that interoperates easily with other languages is |
1058 | JSON arrays (or objects, although arrays are usually the better choice as |
1068 | to send JSON arrays (or objects, although arrays are usually the better |
1059 | they mimic how function argument passing works) and a newline after each |
1069 | choice as they mimic how function argument passing works) and a newline |
1060 | JSON text: |
1070 | after each JSON text: |
1061 | |
1071 | |
1062 | $handle->push_write (json => ["method", "arg1", "arg2"]); # whatever |
1072 | $handle->push_write (json => ["method", "arg1", "arg2"]); # whatever |
1063 | $handle->push_write ("\012"); |
1073 | $handle->push_write ("\012"); |
1064 | |
1074 | |
1065 | An AnyEvent::Handle receiver would simply use the C<json> read type and |
1075 | An AnyEvent::Handle receiver would simply use the C<json> read type and |
… | |
… | |
1068 | $handle->push_read (json => sub { my $array = $_[1]; ... }); |
1078 | $handle->push_read (json => sub { my $array = $_[1]; ... }); |
1069 | |
1079 | |
1070 | Other languages could read single lines terminated by a newline and pass |
1080 | Other languages could read single lines terminated by a newline and pass |
1071 | this line into their JSON decoder of choice. |
1081 | this line into their JSON decoder of choice. |
1072 | |
1082 | |
|
|
1083 | =item cbor => $perl_scalar |
|
|
1084 | |
|
|
1085 | Encodes the given scalar into a CBOR value. Unless you provide your own |
|
|
1086 | L<CBOR::XS> object, this means it will be encoded to a CBOR string not |
|
|
1087 | using any extensions, if possible. |
|
|
1088 | |
|
|
1089 | CBOR values are self-delimiting, so you can write CBOR at one end of |
|
|
1090 | a handle and read them at the other end without using any additional |
|
|
1091 | framing. |
|
|
1092 | |
|
|
1093 | A simple nd very very fast RPC protocol that interoperates with |
|
|
1094 | other languages is to send CBOR and receive CBOR values (arrays are |
|
|
1095 | recommended): |
|
|
1096 | |
|
|
1097 | $handle->push_write (cbor => ["method", "arg1", "arg2"]); # whatever |
|
|
1098 | |
|
|
1099 | An AnyEvent::Handle receiver would simply use the C<cbor> read type: |
|
|
1100 | |
|
|
1101 | $handle->push_read (cbor => sub { my $array = $_[1]; ... }); |
|
|
1102 | |
1073 | =cut |
1103 | =cut |
1074 | |
1104 | |
1075 | sub json_coder() { |
1105 | sub json_coder() { |
1076 | eval { require JSON::XS; JSON::XS->new->utf8 } |
1106 | eval { require JSON::XS; JSON::XS->new->utf8 } |
1077 | || do { require JSON; JSON->new->utf8 } |
1107 | || do { require JSON::PP; JSON::PP->new->utf8 } |
1078 | } |
1108 | } |
1079 | |
1109 | |
1080 | register_write_type json => sub { |
1110 | register_write_type json => sub { |
1081 | my ($self, $ref) = @_; |
1111 | my ($self, $ref) = @_; |
1082 | |
1112 | |
1083 | my $json = $self->{json} ||= json_coder; |
1113 | ($self->{json} ||= json_coder) |
1084 | |
|
|
1085 | $json->encode ($ref) |
1114 | ->encode ($ref) |
|
|
1115 | }; |
|
|
1116 | |
|
|
1117 | sub cbor_coder() { |
|
|
1118 | require CBOR::XS; |
|
|
1119 | CBOR::XS->new |
|
|
1120 | } |
|
|
1121 | |
|
|
1122 | register_write_type cbor => sub { |
|
|
1123 | my ($self, $scalar) = @_; |
|
|
1124 | |
|
|
1125 | ($self->{cbor} ||= cbor_coder) |
|
|
1126 | ->encode ($scalar) |
1086 | }; |
1127 | }; |
1087 | |
1128 | |
1088 | =item storable => $reference |
1129 | =item storable => $reference |
1089 | |
1130 | |
1090 | Freezes the given reference using L<Storable> and writes it to the |
1131 | Freezes the given reference using L<Storable> and writes it to the |
… | |
… | |
1484 | |
1525 | |
1485 | register_read_type line => sub { |
1526 | register_read_type line => sub { |
1486 | my ($self, $cb, $eol) = @_; |
1527 | my ($self, $cb, $eol) = @_; |
1487 | |
1528 | |
1488 | if (@_ < 3) { |
1529 | if (@_ < 3) { |
1489 | # this is more than twice as fast as the generic code below |
1530 | # this is faster then the generic code below |
1490 | sub { |
1531 | sub { |
1491 | $_[0]{rbuf} =~ s/^([^\015\012]*)(\015?\012)// or return; |
1532 | (my $pos = index $_[0]{rbuf}, "\012") >= 0 |
|
|
1533 | or return; |
1492 | |
1534 | |
|
|
1535 | (my $str = substr $_[0]{rbuf}, 0, $pos + 1, "") =~ s/(\015?\012)\Z// or die; |
1493 | $cb->($_[0], "$1", "$2"); |
1536 | $cb->($_[0], $str, "$1"); |
1494 | 1 |
1537 | 1 |
1495 | } |
1538 | } |
1496 | } else { |
1539 | } else { |
1497 | $eol = quotemeta $eol unless ref $eol; |
1540 | $eol = quotemeta $eol unless ref $eol; |
1498 | $eol = qr|^(.*?)($eol)|s; |
1541 | $eol = qr|^(.*?)($eol)|s; |
… | |
… | |
1661 | =item json => $cb->($handle, $hash_or_arrayref) |
1704 | =item json => $cb->($handle, $hash_or_arrayref) |
1662 | |
1705 | |
1663 | Reads a JSON object or array, decodes it and passes it to the |
1706 | Reads a JSON object or array, decodes it and passes it to the |
1664 | callback. When a parse error occurs, an C<EBADMSG> error will be raised. |
1707 | callback. When a parse error occurs, an C<EBADMSG> error will be raised. |
1665 | |
1708 | |
1666 | If a C<json> object was passed to the constructor, then that will be used |
1709 | If a C<json> object was passed to the constructor, then that will be |
1667 | for the final decode, otherwise it will create a JSON coder expecting UTF-8. |
1710 | used for the final decode, otherwise it will create a L<JSON::XS> or |
|
|
1711 | L<JSON::PP> coder object expecting UTF-8. |
1668 | |
1712 | |
1669 | This read type uses the incremental parser available with JSON version |
1713 | This read type uses the incremental parser available with JSON version |
1670 | 2.09 (and JSON::XS version 2.2) and above. You have to provide a |
1714 | 2.09 (and JSON::XS version 2.2) and above. |
1671 | dependency on your own: this module will load the JSON module, but |
|
|
1672 | AnyEvent does not depend on it itself. |
|
|
1673 | |
1715 | |
1674 | Since JSON texts are fully self-delimiting, the C<json> read and write |
1716 | Since JSON texts are fully self-delimiting, the C<json> read and write |
1675 | types are an ideal simple RPC protocol: just exchange JSON datagrams. See |
1717 | types are an ideal simple RPC protocol: just exchange JSON datagrams. See |
1676 | the C<json> write type description, above, for an actual example. |
1718 | the C<json> write type description, above, for an actual example. |
1677 | |
1719 | |
… | |
… | |
1681 | my ($self, $cb) = @_; |
1723 | my ($self, $cb) = @_; |
1682 | |
1724 | |
1683 | my $json = $self->{json} ||= json_coder; |
1725 | my $json = $self->{json} ||= json_coder; |
1684 | |
1726 | |
1685 | my $data; |
1727 | my $data; |
1686 | my $rbuf = \$self->{rbuf}; |
|
|
1687 | |
1728 | |
1688 | sub { |
1729 | sub { |
1689 | my $ref = eval { $json->incr_parse ($_[0]{rbuf}) }; |
1730 | my $ref = eval { $json->incr_parse ($_[0]{rbuf}) }; |
1690 | |
1731 | |
1691 | if ($ref) { |
1732 | if ($ref) { |
… | |
… | |
1705 | |
1746 | |
1706 | () |
1747 | () |
1707 | } else { |
1748 | } else { |
1708 | $_[0]{rbuf} = ""; |
1749 | $_[0]{rbuf} = ""; |
1709 | |
1750 | |
|
|
1751 | () |
|
|
1752 | } |
|
|
1753 | } |
|
|
1754 | }; |
|
|
1755 | |
|
|
1756 | =item cbor => $cb->($handle, $scalar) |
|
|
1757 | |
|
|
1758 | Reads a CBOR value, decodes it and passes it to the callback. When a parse |
|
|
1759 | error occurs, an C<EBADMSG> error will be raised. |
|
|
1760 | |
|
|
1761 | If a L<CBOR::XS> object was passed to the constructor, then that will be |
|
|
1762 | used for the final decode, otherwise it will create a CBOR coder without |
|
|
1763 | enabling any options. |
|
|
1764 | |
|
|
1765 | You have to provide a dependency to L<CBOR::XS> on your own: this module |
|
|
1766 | will load the L<CBOR::XS> module, but AnyEvent does not depend on it |
|
|
1767 | itself. |
|
|
1768 | |
|
|
1769 | Since CBOR values are fully self-delimiting, the C<cbor> read and write |
|
|
1770 | types are an ideal simple RPC protocol: just exchange CBOR datagrams. See |
|
|
1771 | the C<cbor> write type description, above, for an actual example. |
|
|
1772 | |
|
|
1773 | =cut |
|
|
1774 | |
|
|
1775 | register_read_type cbor => sub { |
|
|
1776 | my ($self, $cb) = @_; |
|
|
1777 | |
|
|
1778 | my $cbor = $self->{cbor} ||= cbor_coder; |
|
|
1779 | |
|
|
1780 | my $data; |
|
|
1781 | |
|
|
1782 | sub { |
|
|
1783 | my (@value) = eval { $cbor->incr_parse ($_[0]{rbuf}) }; |
|
|
1784 | |
|
|
1785 | if (@value) { |
|
|
1786 | $cb->($_[0], @value); |
|
|
1787 | |
|
|
1788 | 1 |
|
|
1789 | } elsif ($@) { |
|
|
1790 | # error case |
|
|
1791 | $cbor->incr_reset; |
|
|
1792 | |
|
|
1793 | $_[0]->_error (Errno::EBADMSG); |
|
|
1794 | |
|
|
1795 | () |
|
|
1796 | } else { |
1710 | () |
1797 | () |
1711 | } |
1798 | } |
1712 | } |
1799 | } |
1713 | }; |
1800 | }; |
1714 | |
1801 | |
… | |
… | |
1752 | }); |
1839 | }); |
1753 | } |
1840 | } |
1754 | |
1841 | |
1755 | 1 |
1842 | 1 |
1756 | } |
1843 | } |
|
|
1844 | }; |
|
|
1845 | |
|
|
1846 | =item tls_detect => $cb->($handle, $detect, $major, $minor) |
|
|
1847 | |
|
|
1848 | Checks the input stream for a valid SSL or TLS handshake TLSPaintext |
|
|
1849 | record without consuming anything. Only SSL version 3 or higher |
|
|
1850 | is handled, up to the fictituous protocol 4.x (but both SSL3+ and |
|
|
1851 | SSL2-compatible framing is supported). |
|
|
1852 | |
|
|
1853 | If it detects that the input data is likely TLS, it calls the callback |
|
|
1854 | with a true value for C<$detect> and the (on-wire) TLS version as second |
|
|
1855 | and third argument (C<$major> is C<3>, and C<$minor> is 0..3 for SSL |
|
|
1856 | 3.0, TLS 1.0, 1.1 and 1.2, respectively). If it detects the input to |
|
|
1857 | be definitely not TLS, it calls the callback with a false value for |
|
|
1858 | C<$detect>. |
|
|
1859 | |
|
|
1860 | The callback could use this information to decide whether or not to start |
|
|
1861 | TLS negotiation. |
|
|
1862 | |
|
|
1863 | In all cases the data read so far is passed to the following read |
|
|
1864 | handlers. |
|
|
1865 | |
|
|
1866 | Usually you want to use the C<tls_autostart> read type instead. |
|
|
1867 | |
|
|
1868 | If you want to design a protocol that works in the presence of TLS |
|
|
1869 | dtection, make sure that any non-TLS data doesn't start with the octet 22 |
|
|
1870 | (ASCII SYN, 16 hex) or 128-255 (i.e. highest bit set). The checks this |
|
|
1871 | read type does are a bit more strict, but might losen in the future to |
|
|
1872 | accomodate protocol changes. |
|
|
1873 | |
|
|
1874 | This read type does not rely on L<AnyEvent::TLS> (and thus, not on |
|
|
1875 | L<Net::SSLeay>). |
|
|
1876 | |
|
|
1877 | =item tls_autostart => $tls[, $tls_ctx] |
|
|
1878 | |
|
|
1879 | Tries to detect a valid SSL or TLS handshake. If one is detected, it tries |
|
|
1880 | to start tls by calling C<starttls> with the given arguments. |
|
|
1881 | |
|
|
1882 | In practise, C<$tls> must be C<accept>, or a Net::SSLeay context that has |
|
|
1883 | been configured to accept, as servers do not normally send a handshake on |
|
|
1884 | their own and ths cannot be detected in this way. |
|
|
1885 | |
|
|
1886 | See C<tls_detect> above for more details. |
|
|
1887 | |
|
|
1888 | Example: give the client a chance to start TLS before accepting a text |
|
|
1889 | line. |
|
|
1890 | |
|
|
1891 | $hdl->push_read (tls_detect => "accept"); |
|
|
1892 | $hdl->push_read (line => sub { |
|
|
1893 | print "received ", ($_[0]{tls} ? "encrypted" : "cleartext"), " <$_[1]>\n"; |
|
|
1894 | }); |
|
|
1895 | |
|
|
1896 | =cut |
|
|
1897 | |
|
|
1898 | register_read_type tls_detect => sub { |
|
|
1899 | my ($self, $cb) = @_; |
|
|
1900 | |
|
|
1901 | sub { |
|
|
1902 | # this regex matches a full or partial tls record |
|
|
1903 | if ( |
|
|
1904 | # ssl3+: type(22=handshake) major(=3) minor(any) length_hi |
|
|
1905 | $self->{rbuf} =~ /^(?:\z| \x16 (\z| [\x03\x04] (?:\z| . (?:\z| [\x00-\x40] ))))/xs |
|
|
1906 | # ssl2 comapatible: len_hi len_lo type(1) major minor dummy(forlength) |
|
|
1907 | or $self->{rbuf} =~ /^(?:\z| [\x80-\xff] (?:\z| . (?:\z| \x01 (\z| [\x03\x04] (?:\z| . (?:\z| . ))))))/xs |
|
|
1908 | ) { |
|
|
1909 | return if 3 != length $1; # partial match, can't decide yet |
|
|
1910 | |
|
|
1911 | # full match, valid TLS record |
|
|
1912 | my ($major, $minor) = unpack "CC", $1; |
|
|
1913 | $cb->($self, "accept", $major + $minor * 0.1); |
|
|
1914 | } else { |
|
|
1915 | # mismatch == guaranteed not TLS |
|
|
1916 | $cb->($self, undef); |
|
|
1917 | } |
|
|
1918 | |
|
|
1919 | 1 |
|
|
1920 | } |
|
|
1921 | }; |
|
|
1922 | |
|
|
1923 | register_read_type tls_autostart => sub { |
|
|
1924 | my ($self, @tls) = @_; |
|
|
1925 | |
|
|
1926 | $RH{tls_detect}($self, sub { |
|
|
1927 | return unless $_[1]; |
|
|
1928 | $_[0]->starttls (@tls); |
|
|
1929 | }) |
1757 | }; |
1930 | }; |
1758 | |
1931 | |
1759 | =back |
1932 | =back |
1760 | |
1933 | |
1761 | =item custom read types - Package::anyevent_read_type $handle, $cb, @args |
1934 | =item custom read types - Package::anyevent_read_type $handle, $cb, @args |
… | |
… | |
1885 | sub _dotls { |
2058 | sub _dotls { |
1886 | my ($self) = @_; |
2059 | my ($self) = @_; |
1887 | |
2060 | |
1888 | my $tmp; |
2061 | my $tmp; |
1889 | |
2062 | |
1890 | if (length $self->{_tls_wbuf}) { |
2063 | while (length $self->{_tls_wbuf}) { |
1891 | while (($tmp = Net::SSLeay::write ($self->{tls}, $self->{_tls_wbuf})) > 0) { |
2064 | if (($tmp = Net::SSLeay::write ($self->{tls}, $self->{_tls_wbuf})) <= 0) { |
1892 | substr $self->{_tls_wbuf}, 0, $tmp, ""; |
2065 | $tmp = Net::SSLeay::get_error ($self->{tls}, $tmp); |
|
|
2066 | |
|
|
2067 | return $self->_tls_error ($tmp) |
|
|
2068 | if $tmp != $ERROR_WANT_READ |
|
|
2069 | && ($tmp != $ERROR_SYSCALL || $!); |
|
|
2070 | |
|
|
2071 | last; |
1893 | } |
2072 | } |
1894 | |
2073 | |
1895 | $tmp = Net::SSLeay::get_error ($self->{tls}, $tmp); |
2074 | substr $self->{_tls_wbuf}, 0, $tmp, ""; |
1896 | return $self->_tls_error ($tmp) |
|
|
1897 | if $tmp != $ERROR_WANT_READ |
|
|
1898 | && ($tmp != $ERROR_SYSCALL || $!); |
|
|
1899 | } |
2075 | } |
1900 | |
2076 | |
1901 | while (defined ($tmp = Net::SSLeay::read ($self->{tls}))) { |
2077 | while (defined ($tmp = Net::SSLeay::read ($self->{tls}))) { |
1902 | unless (length $tmp) { |
2078 | unless (length $tmp) { |
1903 | $self->{_on_starttls} |
2079 | $self->{_on_starttls} |
… | |
… | |
1917 | $self->{_tls_rbuf} .= $tmp; |
2093 | $self->{_tls_rbuf} .= $tmp; |
1918 | $self->_drain_rbuf; |
2094 | $self->_drain_rbuf; |
1919 | $self->{tls} or return; # tls session might have gone away in callback |
2095 | $self->{tls} or return; # tls session might have gone away in callback |
1920 | } |
2096 | } |
1921 | |
2097 | |
1922 | $tmp = Net::SSLeay::get_error ($self->{tls}, -1); |
2098 | $tmp = Net::SSLeay::get_error ($self->{tls}, -1); # -1 is not neccessarily correct, but Net::SSLeay doesn't tell us |
1923 | return $self->_tls_error ($tmp) |
2099 | return $self->_tls_error ($tmp) |
1924 | if $tmp != $ERROR_WANT_READ |
2100 | if $tmp != $ERROR_WANT_READ |
1925 | && ($tmp != $ERROR_SYSCALL || $!); |
2101 | && ($tmp != $ERROR_SYSCALL || $!); |
1926 | |
2102 | |
1927 | while (length ($tmp = Net::SSLeay::BIO_read ($self->{_wbio}))) { |
2103 | while (length ($tmp = Net::SSLeay::BIO_read ($self->{_wbio}))) { |
… | |
… | |
1937 | |
2113 | |
1938 | =item $handle->starttls ($tls[, $tls_ctx]) |
2114 | =item $handle->starttls ($tls[, $tls_ctx]) |
1939 | |
2115 | |
1940 | Instead of starting TLS negotiation immediately when the AnyEvent::Handle |
2116 | Instead of starting TLS negotiation immediately when the AnyEvent::Handle |
1941 | object is created, you can also do that at a later time by calling |
2117 | object is created, you can also do that at a later time by calling |
1942 | C<starttls>. |
2118 | C<starttls>. See the C<tls> constructor argument for general info. |
1943 | |
2119 | |
1944 | Starting TLS is currently an asynchronous operation - when you push some |
2120 | Starting TLS is currently an asynchronous operation - when you push some |
1945 | write data and then call C<< ->starttls >> then TLS negotiation will start |
2121 | write data and then call C<< ->starttls >> then TLS negotiation will start |
1946 | immediately, after which the queued write data is then sent. |
2122 | immediately, after which the queued write data is then sent. This might |
|
|
2123 | change in future versions, so best make sure you have no outstanding write |
|
|
2124 | data when calling this method. |
1947 | |
2125 | |
1948 | The first argument is the same as the C<tls> constructor argument (either |
2126 | The first argument is the same as the C<tls> constructor argument (either |
1949 | C<"connect">, C<"accept"> or an existing Net::SSLeay object). |
2127 | C<"connect">, C<"accept"> or an existing Net::SSLeay object). |
1950 | |
2128 | |
1951 | The second argument is the optional C<AnyEvent::TLS> object that is used |
2129 | The second argument is the optional C<AnyEvent::TLS> object that is used |
… | |
… | |
1973 | my ($self, $tls, $ctx) = @_; |
2151 | my ($self, $tls, $ctx) = @_; |
1974 | |
2152 | |
1975 | Carp::croak "It is an error to call starttls on an AnyEvent::Handle object while TLS is already active, caught" |
2153 | Carp::croak "It is an error to call starttls on an AnyEvent::Handle object while TLS is already active, caught" |
1976 | if $self->{tls}; |
2154 | if $self->{tls}; |
1977 | |
2155 | |
|
|
2156 | unless (defined $AnyEvent::TLS::VERSION) { |
|
|
2157 | eval { |
|
|
2158 | require Net::SSLeay; |
|
|
2159 | require AnyEvent::TLS; |
|
|
2160 | 1 |
|
|
2161 | } or return $self->_error (Errno::EPROTO, 1, "TLS support not available on this system"); |
|
|
2162 | } |
|
|
2163 | |
1978 | $self->{tls} = $tls; |
2164 | $self->{tls} = $tls; |
1979 | $self->{tls_ctx} = $ctx if @_ > 2; |
2165 | $self->{tls_ctx} = $ctx if @_ > 2; |
1980 | |
2166 | |
1981 | return unless $self->{fh}; |
2167 | return unless $self->{fh}; |
1982 | |
2168 | |
1983 | require Net::SSLeay; |
|
|
1984 | |
|
|
1985 | $ERROR_SYSCALL = Net::SSLeay::ERROR_SYSCALL (); |
2169 | $ERROR_SYSCALL = Net::SSLeay::ERROR_SYSCALL (); |
1986 | $ERROR_WANT_READ = Net::SSLeay::ERROR_WANT_READ (); |
2170 | $ERROR_WANT_READ = Net::SSLeay::ERROR_WANT_READ (); |
1987 | |
2171 | |
1988 | $tls = delete $self->{tls}; |
2172 | $tls = delete $self->{tls}; |
1989 | $ctx = $self->{tls_ctx}; |
2173 | $ctx = $self->{tls_ctx}; |
1990 | |
2174 | |
1991 | local $Carp::CarpLevel = 1; # skip ourselves when creating a new context or session |
2175 | local $Carp::CarpLevel = 1; # skip ourselves when creating a new context or session |
1992 | |
2176 | |
1993 | if ("HASH" eq ref $ctx) { |
2177 | if ("HASH" eq ref $ctx) { |
1994 | require AnyEvent::TLS; |
|
|
1995 | |
|
|
1996 | if ($ctx->{cache}) { |
2178 | if ($ctx->{cache}) { |
1997 | my $key = $ctx+0; |
2179 | my $key = $ctx+0; |
1998 | $ctx = $TLS_CACHE{$key} ||= new AnyEvent::TLS %$ctx; |
2180 | $ctx = $TLS_CACHE{$key} ||= new AnyEvent::TLS %$ctx; |
1999 | } else { |
2181 | } else { |
2000 | $ctx = new AnyEvent::TLS %$ctx; |
2182 | $ctx = new AnyEvent::TLS %$ctx; |
… | |
… | |
2233 | handles requests until the server gets some QUIT command, causing it to |
2415 | handles requests until the server gets some QUIT command, causing it to |
2234 | close the connection first (highly desirable for a busy TCP server). A |
2416 | close the connection first (highly desirable for a busy TCP server). A |
2235 | client dropping the connection is an error, which means this variant can |
2417 | client dropping the connection is an error, which means this variant can |
2236 | detect an unexpected detection close. |
2418 | detect an unexpected detection close. |
2237 | |
2419 | |
2238 | To handle this case, always make sure you have a on-empty read queue, by |
2420 | To handle this case, always make sure you have a non-empty read queue, by |
2239 | pushing the "read request start" handler on it: |
2421 | pushing the "read request start" handler on it: |
2240 | |
2422 | |
2241 | # we assume a request starts with a single line |
2423 | # we assume a request starts with a single line |
2242 | my @start_request; @start_request = (line => sub { |
2424 | my @start_request; @start_request = (line => sub { |
2243 | my ($hdl, $line) = @_; |
2425 | my ($hdl, $line) = @_; |