abf3820637
- New upstream release 2.067
- Fix memory leak on incomplete handshake (GH#92)
- Add support for SSL_MODE_RELEASE_BUFFERS via SSL_mode_release_buffers; this
can decrease memory usage at the costs of more allocations (CPAN RT#129463)
- More detailed error messages when loading of certificate file failed (GH#89)
- Fix for ip_in_cn == 6 in verify_hostname scheme (CPAN RT#131384)
- Deal with new MODE_AUTO_RETRY default in OpenSSL 1.1.1
- Fix warning when no ecdh support is available
- Documentation update regarding use of select and TLS 1.3
- Various fixes in documentation (GH#81, GH#87, GH#90, GH#91)
- Stability fix for t/core.t
37 lines
1.5 KiB
Diff
37 lines
1.5 KiB
Diff
--- lib/IO/Socket/SSL.pm
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+++ lib/IO/Socket/SSL.pm
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@@ -194,7 +194,7 @@ if ( defined &Net::SSLeay::CTX_set_min_p
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# global defaults
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my %DEFAULT_SSL_ARGS = (
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SSL_check_crl => 0,
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- SSL_version => 'SSLv23:!SSLv3:!SSLv2', # consider both SSL3.0 and SSL2.0 as broken
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+ SSL_version => '',
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SSL_verify_callback => undef,
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SSL_verifycn_scheme => undef, # fallback cn verification
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SSL_verifycn_publicsuffix => undef, # fallback default list verification
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@@ -2383,7 +2383,7 @@ sub new {
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my $ssl_op = $DEFAULT_SSL_OP;
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- my $ver;
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+ my $ver = '';
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for (split(/\s*:\s*/,$arg_hash->{SSL_version})) {
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m{^(!?)(?:(SSL(?:v2|v3|v23|v2/3))|(TLSv1(?:_?[123])?))$}i
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or croak("invalid SSL_version specified");
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--- lib/IO/Socket/SSL.pod
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+++ lib/IO/Socket/SSL.pod
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@@ -1043,11 +1043,12 @@ All values are case-insensitive. Instea
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'TLSv1_3' one can also use 'TLSv11', 'TLSv12', and 'TLSv13'. Support for
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'TLSv1_1', 'TLSv1_2', and 'TLSv1_3' requires recent versions of Net::SSLeay
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and openssl.
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+The default SSL_version is defined by the underlying cryptographic library.
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Independent from the handshake format you can limit to set of accepted SSL
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versions by adding !version separated by ':'.
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-The default SSL_version is 'SSLv23:!SSLv3:!SSLv2' which means, that the
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+For example, 'SSLv23:!SSLv3:!SSLv2' means that the
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handshake format is compatible to SSL2.0 and higher, but that the successful
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handshake is limited to TLS1.0 and higher, that is no SSL2.0 or SSL3.0 because
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both of these versions have serious security issues and should not be used
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