… | |
… | |
11 | |
11 | |
12 | my $hdl; $hdl = new AnyEvent::Handle |
12 | my $hdl; $hdl = new AnyEvent::Handle |
13 | fh => \*STDIN, |
13 | fh => \*STDIN, |
14 | on_error => sub { |
14 | on_error => sub { |
15 | my ($hdl, $fatal, $msg) = @_; |
15 | my ($hdl, $fatal, $msg) = @_; |
16 | AE::log error => "Got error $msg!"; |
16 | AE::log error => $msg; |
17 | $hdl->destroy; |
17 | $hdl->destroy; |
18 | $cv->send; |
18 | $cv->send; |
19 | }; |
19 | }; |
20 | |
20 | |
21 | # send some request line |
21 | # send some request line |
… | |
… | |
170 | with active (but unsatisfiable) read watchers (C<EPIPE>) or I/O errors. In |
170 | with active (but unsatisfiable) read watchers (C<EPIPE>) or I/O errors. In |
171 | cases where the other side can close the connection at will, it is |
171 | cases where the other side can close the connection at will, it is |
172 | often easiest to not report C<EPIPE> errors in this callback. |
172 | often easiest to not report C<EPIPE> errors in this callback. |
173 | |
173 | |
174 | AnyEvent::Handle tries to find an appropriate error code for you to check |
174 | AnyEvent::Handle tries to find an appropriate error code for you to check |
175 | against, but in some cases (TLS errors), this does not work well. It is |
175 | against, but in some cases (TLS errors), this does not work well. |
176 | recommended to always output the C<$message> argument in human-readable |
176 | |
177 | error messages (it's usually the same as C<"$!">). |
177 | If you report the error to the user, it is recommended to always output |
|
|
178 | the C<$message> argument in human-readable error messages (you don't need |
|
|
179 | to report C<"$!"> if you report C<$message>). |
|
|
180 | |
|
|
181 | If you want to react programmatically to the error, then looking at C<$!> |
|
|
182 | and comparing it against some of the documented C<Errno> values is usually |
|
|
183 | better than looking at the C<$message>. |
178 | |
184 | |
179 | Non-fatal errors can be retried by returning, but it is recommended |
185 | Non-fatal errors can be retried by returning, but it is recommended |
180 | to simply ignore this parameter and instead abondon the handle object |
186 | to simply ignore this parameter and instead abondon the handle object |
181 | when this callback is invoked. Examples of non-fatal errors are timeouts |
187 | when this callback is invoked. Examples of non-fatal errors are timeouts |
182 | C<ETIMEDOUT>) or badly-formatted data (C<EBADMSG>). |
188 | C<ETIMEDOUT>) or badly-formatted data (C<EBADMSG>). |
… | |
… | |
423 | appropriate error message. |
429 | appropriate error message. |
424 | |
430 | |
425 | 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 |
426 | 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 |
427 | 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 |
428 | 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. |
429 | |
436 | |
430 | 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 |
431 | 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> |
432 | mode. |
439 | mode. |
433 | |
440 | |
… | |
… | |
1730 | |
1737 | |
1731 | # bypass unshift if we already have the remaining chunk |
1738 | # bypass unshift if we already have the remaining chunk |
1732 | if ($format + $len <= length $_[0]{rbuf}) { |
1739 | if ($format + $len <= length $_[0]{rbuf}) { |
1733 | my $data = substr $_[0]{rbuf}, $format, $len; |
1740 | my $data = substr $_[0]{rbuf}, $format, $len; |
1734 | substr $_[0]{rbuf}, 0, $format + $len, ""; |
1741 | substr $_[0]{rbuf}, 0, $format + $len, ""; |
|
|
1742 | |
1735 | $cb->($_[0], Storable::thaw ($data)); |
1743 | eval { $cb->($_[0], Storable::thaw ($data)); 1 } |
|
|
1744 | or return $_[0]->_error (Errno::EBADMSG); |
1736 | } else { |
1745 | } else { |
1737 | # remove prefix |
1746 | # remove prefix |
1738 | substr $_[0]{rbuf}, 0, $format, ""; |
1747 | substr $_[0]{rbuf}, 0, $format, ""; |
1739 | |
1748 | |
1740 | # read remaining chunk |
1749 | # read remaining chunk |
1741 | $_[0]->unshift_read (chunk => $len, sub { |
1750 | $_[0]->unshift_read (chunk => $len, sub { |
1742 | if (my $ref = eval { Storable::thaw ($_[1]) }) { |
1751 | eval { $cb->($_[0], Storable::thaw ($_[1])); 1 } |
1743 | $cb->($_[0], $ref); |
|
|
1744 | } else { |
|
|
1745 | $_[0]->_error (Errno::EBADMSG); |
1752 | or $_[0]->_error (Errno::EBADMSG); |
1746 | } |
|
|
1747 | }); |
1753 | }); |
1748 | } |
1754 | } |
1749 | |
1755 | |
1750 | 1 |
1756 | 1 |
1751 | } |
1757 | } |
… | |
… | |
1856 | my ($self, $err) = @_; |
1862 | my ($self, $err) = @_; |
1857 | |
1863 | |
1858 | return $self->_error ($!, 1) |
1864 | return $self->_error ($!, 1) |
1859 | if $err == Net::SSLeay::ERROR_SYSCALL (); |
1865 | if $err == Net::SSLeay::ERROR_SYSCALL (); |
1860 | |
1866 | |
1861 | my $err =Net::SSLeay::ERR_error_string (Net::SSLeay::ERR_get_error ()); |
1867 | my $err = Net::SSLeay::ERR_error_string (Net::SSLeay::ERR_get_error ()); |
1862 | |
1868 | |
1863 | # reduce error string to look less scary |
1869 | # reduce error string to look less scary |
1864 | $err =~ s/^error:[0-9a-fA-F]{8}:[^:]+:([^:]+):/\L$1: /; |
1870 | $err =~ s/^error:[0-9a-fA-F]{8}:[^:]+:([^:]+):/\L$1: /; |
1865 | |
1871 | |
1866 | if ($self->{_on_starttls}) { |
1872 | if ($self->{_on_starttls}) { |
… | |
… | |
1932 | |
1938 | |
1933 | =item $handle->starttls ($tls[, $tls_ctx]) |
1939 | =item $handle->starttls ($tls[, $tls_ctx]) |
1934 | |
1940 | |
1935 | Instead of starting TLS negotiation immediately when the AnyEvent::Handle |
1941 | Instead of starting TLS negotiation immediately when the AnyEvent::Handle |
1936 | object is created, you can also do that at a later time by calling |
1942 | object is created, you can also do that at a later time by calling |
1937 | C<starttls>. |
1943 | C<starttls>. See the C<tls> constructor argument for general info. |
1938 | |
1944 | |
1939 | Starting TLS is currently an asynchronous operation - when you push some |
1945 | Starting TLS is currently an asynchronous operation - when you push some |
1940 | write data and then call C<< ->starttls >> then TLS negotiation will start |
1946 | write data and then call C<< ->starttls >> then TLS negotiation will start |
1941 | immediately, after which the queued write data is then sent. |
1947 | immediately, after which the queued write data is then sent. This might |
|
|
1948 | change in future versions, so best make sure you have no outstanding write |
|
|
1949 | data when calling this method. |
1942 | |
1950 | |
1943 | The first argument is the same as the C<tls> constructor argument (either |
1951 | The first argument is the same as the C<tls> constructor argument (either |
1944 | C<"connect">, C<"accept"> or an existing Net::SSLeay object). |
1952 | C<"connect">, C<"accept"> or an existing Net::SSLeay object). |
1945 | |
1953 | |
1946 | The second argument is the optional C<AnyEvent::TLS> object that is used |
1954 | The second argument is the optional C<AnyEvent::TLS> object that is used |
… | |
… | |
1968 | my ($self, $tls, $ctx) = @_; |
1976 | my ($self, $tls, $ctx) = @_; |
1969 | |
1977 | |
1970 | Carp::croak "It is an error to call starttls on an AnyEvent::Handle object while TLS is already active, caught" |
1978 | Carp::croak "It is an error to call starttls on an AnyEvent::Handle object while TLS is already active, caught" |
1971 | if $self->{tls}; |
1979 | if $self->{tls}; |
1972 | |
1980 | |
|
|
1981 | unless (defined $AnyEvent::TLS::VERSION) { |
|
|
1982 | eval { |
|
|
1983 | require Net::SSLeay; |
|
|
1984 | require AnyEvent::TLS; |
|
|
1985 | 1 |
|
|
1986 | } or return $self->_error (Errno::EPROTO, 1, "TLS support not available on this system"); |
|
|
1987 | } |
|
|
1988 | |
1973 | $self->{tls} = $tls; |
1989 | $self->{tls} = $tls; |
1974 | $self->{tls_ctx} = $ctx if @_ > 2; |
1990 | $self->{tls_ctx} = $ctx if @_ > 2; |
1975 | |
1991 | |
1976 | return unless $self->{fh}; |
1992 | return unless $self->{fh}; |
1977 | |
1993 | |
1978 | require Net::SSLeay; |
|
|
1979 | |
|
|
1980 | $ERROR_SYSCALL = Net::SSLeay::ERROR_SYSCALL (); |
1994 | $ERROR_SYSCALL = Net::SSLeay::ERROR_SYSCALL (); |
1981 | $ERROR_WANT_READ = Net::SSLeay::ERROR_WANT_READ (); |
1995 | $ERROR_WANT_READ = Net::SSLeay::ERROR_WANT_READ (); |
1982 | |
1996 | |
1983 | $tls = delete $self->{tls}; |
1997 | $tls = delete $self->{tls}; |
1984 | $ctx = $self->{tls_ctx}; |
1998 | $ctx = $self->{tls_ctx}; |
1985 | |
1999 | |
1986 | local $Carp::CarpLevel = 1; # skip ourselves when creating a new context or session |
2000 | local $Carp::CarpLevel = 1; # skip ourselves when creating a new context or session |
1987 | |
2001 | |
1988 | if ("HASH" eq ref $ctx) { |
2002 | if ("HASH" eq ref $ctx) { |
1989 | require AnyEvent::TLS; |
|
|
1990 | |
|
|
1991 | if ($ctx->{cache}) { |
2003 | if ($ctx->{cache}) { |
1992 | my $key = $ctx+0; |
2004 | my $key = $ctx+0; |
1993 | $ctx = $TLS_CACHE{$key} ||= new AnyEvent::TLS %$ctx; |
2005 | $ctx = $TLS_CACHE{$key} ||= new AnyEvent::TLS %$ctx; |
1994 | } else { |
2006 | } else { |
1995 | $ctx = new AnyEvent::TLS %$ctx; |
2007 | $ctx = new AnyEvent::TLS %$ctx; |