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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.
author Valentin Bartenev <vbart@nginx.com>
date Mon, 28 Jan 2013 15:40:25 +0000
parents d620f497c50f
children 3d2d3e1cf427
line wrap: on
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# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


have=NGX_WIN32 . auto/have_headers

CORE_INCS="$WIN32_INCS"
CORE_DEPS="$WIN32_DEPS"
CORE_SRCS="$WIN32_SRCS $IOCP_SRCS"
OS_CONFIG="$WIN32_CONFIG"
CORE_LIBS="$CORE_LIBS advapi32.lib ws2_32.lib"
NGX_ICONS="$NGX_WIN32_ICONS"
SELECT_SRCS=$WIN32_SELECT_SRCS

EVENT_MODULES="$EVENT_MODULES $IOCP_MODULE"
EVENT_FOUND=YES

if [ $EVENT_SELECT = NO ]; then
    CORE_SRCS="$CORE_SRCS $SELECT_SRCS"
    EVENT_MODULES="$EVENT_MODULES $SELECT_MODULE"
fi

if [ $NGX_IPV6 = YES ]; then
    have=NGX_HAVE_INET6 . auto/have
fi

have=NGX_HAVE_AIO . auto/have
have=NGX_HAVE_IOCP . auto/have