David Benjamin 9faafdaeb8 Clean up do_ssl3_write fragment handling. ... Separate actually writing the fragment to the network from assembling it so there is no need for is_fragment. record_split_done also needn't be a global; as of 7fdeaf1101, it is always reset to 0 whether or not SSL3_WANT_WRITE occurred, despite the comment. I believe this is sound, but the pre-7fdeaf1 logic wasn't quiiite right; ssl3_write_pending allows a retry to supply *additional* data, so not all plaintext had been commited to before the IV was randomized. We could fix this by tracking how many bytes were committed to the last time we fragmented, but this is purely an optimization and doesn't seem worth the complexity. This also fixes the alignment computation in the record-splitting case. The extra byte was wrong, as demonstrated by the assert. Change-Id: Ia087a45a6622f4faad32e501942cc910eca1237b Reviewed-on: https://boringssl-review.googlesource.com/4234 Reviewed-by: Adam Langley <agl@google.com>		2015-04-06 18:53:15 +00:00
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openssl	Clean up do_ssl3_write fragment handling.	2015-04-06 18:53:15 +00:00