c1f1b41420
- New upstream release 2.023
- OpenSSL 1.0.2f changed the behavior of SSL shutdown in case the TLS
connection was not fully established, which somehow resulted in
Net::SSLeay::shutdown returning 0 (i.e. keep trying) and hence an endless
loop; it will now ignore this result in case the TLS connection was not
yet established and consider the TLS connection closed instead
- Update patches as needed
37 lines
1.6 KiB
Diff
37 lines
1.6 KiB
Diff
--- lib/IO/Socket/SSL.pm
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+++ lib/IO/Socket/SSL.pm
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@@ -85,7 +85,7 @@ my $algo2digest = do {
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# global defaults
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my %DEFAULT_SSL_ARGS = (
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SSL_check_crl => 0,
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- SSL_version => 'SSLv23:!SSLv3:!SSLv2', # consider both SSL3.0 and SSL2.0 as broken
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+ SSL_version => '',
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SSL_verify_callback => undef,
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SSL_verifycn_scheme => undef, # fallback cn verification
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SSL_verifycn_publicsuffix => undef, # fallback default list verification
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@@ -2172,7 +2172,7 @@ sub new {
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$ssl_op |= &Net::SSLeay::OP_SINGLE_DH_USE;
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$ssl_op |= &Net::SSLeay::OP_SINGLE_ECDH_USE if $can_ecdh;
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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(?:_?[12])?))$}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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@@ -942,11 +942,12 @@ protocol to the specified version.
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All values are case-insensitive. Instead of 'TLSv1_1' and 'TLSv1_2' one can
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also use 'TLSv11' and 'TLSv12'. Support for 'TLSv1_1' and 'TLSv1_2' requires
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recent versions of Net::SSLeay 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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