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author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-08-06 21:50:10 +0000 |
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committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-08-06 21:50:10 +0000 |
commit | 982dd0eb105f92f1c9ee5ebf79ff1b9a9a6d4758 (patch) | |
tree | 7068a00b66955ab19380ac57dab3d66350ba4386 /test/rexml/test_encoding.rb | |
parent | 2c9ef876b51feda4487bbcbd75bace18c2cd1e59 (diff) | |
download | ruby-982dd0eb105f92f1c9ee5ebf79ff1b9a9a6d4758.tar.gz |
openssl: avoid undefined behavior on empty SSL_write
SSL_write(3ssl) manpage has this in the WARNINGS section:
When calling SSL_write() with num=0 bytes to be sent the
behaviour is undefined.
And indeed, the new test case demonstrates failures when
empty strings are used. So, match the behavior of IO#write,
IO#write_nonblock, and IO#syswrite by returning zero, as the
OpenSSL::SSL::SSLSocket API already closely mimics the IO one.
* ext/openssl/ossl_ssl.c (ossl_ssl_write_internal):
avoid undefined behavior
* test/openssl/test_pair.rb (test_write_zero): new test
[ruby-core:76751] [Bug #12660]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55822 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/rexml/test_encoding.rb')
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