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| author | Valentin Bartenev <vbart@nginx.com> | 2013-01-28 15:40:25 +0000 |
|---|---|---|
| committer | Valentin Bartenev <vbart@nginx.com> | 2013-01-28 15:40:25 +0000 |
| commit | 0f0fac70a14fc489eab91888772073ed1259b633 (patch) | |
| tree | e44d6d8383f3f6d58afb97af1d23748312ffbf54 /docs/xml | |
| parent | f98b1d256114e7f9bdfd17ea362cdcb137cdc62c (diff) | |
| download | nginx-0f0fac70a14fc489eab91888772073ed1259b633.tar.gz nginx-0f0fac70a14fc489eab91888772073ed1259b633.tar.bz2 | |
SSL: avoid calling SSL_write() with zero data size.
According to documentation, calling SSL_write() with num=0 bytes to be sent
results in undefined behavior.
We don't currently call ngx_ssl_send_chain() with empty chain and buffer.
This check handles the case of a chain with total data size that is
a multiple of NGX_SSL_BUFSIZE, and with the special buffer at the end.
In practice such cases resulted in premature connection close and critical
error "SSL_write() failed (SSL:)" in the error log.
Diffstat (limited to 'docs/xml')
0 files changed, 0 insertions, 0 deletions