view auto/configure @ 8007:011f5ebdb928

HTTP/2: fixed closed_nodes overflow (ticket #1708). With large http2_max_concurrent_streams or http2_max_concurrent_pushes, more than 255 ngx_http_v2_node_t structures might be allocated, eventually leading to h2c->closed_nodes overflow when closing corresponding streams. This will in turn result in additional allocations in ngx_http_v2_get_node_by_id(). While mostly harmless, it can result in excessive memory usage by a HTTP/2 connection, notably in configurations with many keepalive_requests allowed. Fix is to use ngx_uint_t for h2c->closed_nodes instead of unsigned:8.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 03 Feb 2022 22:46:01 +0300
parents f18db38a9826
children 79c04253bc43
line wrap: on
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#!/bin/sh

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


LC_ALL=C
export LC_ALL

. auto/options
. auto/init
. auto/sources

test -d $NGX_OBJS || mkdir -p $NGX_OBJS

echo > $NGX_AUTO_HEADERS_H
echo > $NGX_AUTOCONF_ERR

echo "#define NGX_CONFIGURE \"$NGX_CONFIGURE\"" > $NGX_AUTO_CONFIG_H


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


if test -z "$NGX_PLATFORM"; then
    echo "checking for OS"

    NGX_SYSTEM=`uname -s 2>/dev/null`
    NGX_RELEASE=`uname -r 2>/dev/null`
    NGX_MACHINE=`uname -m 2>/dev/null`

    echo " + $NGX_SYSTEM $NGX_RELEASE $NGX_MACHINE"

    NGX_PLATFORM="$NGX_SYSTEM:$NGX_RELEASE:$NGX_MACHINE";

    case "$NGX_SYSTEM" in
        MINGW32_* | MINGW64_* | MSYS_*)
            NGX_PLATFORM=win32
        ;;
    esac

else
    echo "building for $NGX_PLATFORM"
    NGX_SYSTEM=$NGX_PLATFORM
fi

. auto/cc/conf

if [ "$NGX_PLATFORM" != win32 ]; then
    . auto/headers
fi

. auto/os/conf

if [ "$NGX_PLATFORM" != win32 ]; then
    . auto/unix
fi

. auto/threads
. auto/modules
. auto/lib/conf

case ".$NGX_PREFIX" in
    .)
        NGX_PREFIX=${NGX_PREFIX:-/usr/local/nginx}
        have=NGX_PREFIX value="\"$NGX_PREFIX/\"" . auto/define
    ;;

    .!)
        NGX_PREFIX=
    ;;

    *)
        have=NGX_PREFIX value="\"$NGX_PREFIX/\"" . auto/define
    ;;
esac

if [ ".$NGX_CONF_PREFIX" != "." ]; then
    have=NGX_CONF_PREFIX value="\"$NGX_CONF_PREFIX/\"" . auto/define
fi

have=NGX_SBIN_PATH value="\"$NGX_SBIN_PATH\"" . auto/define
have=NGX_CONF_PATH value="\"$NGX_CONF_PATH\"" . auto/define
have=NGX_PID_PATH value="\"$NGX_PID_PATH\"" . auto/define
have=NGX_LOCK_PATH value="\"$NGX_LOCK_PATH\"" . auto/define
have=NGX_ERROR_LOG_PATH value="\"$NGX_ERROR_LOG_PATH\"" . auto/define

if [ ".$NGX_ERROR_LOG_PATH" = "." ]; then
    have=NGX_ERROR_LOG_STDERR . auto/have
fi

have=NGX_HTTP_LOG_PATH value="\"$NGX_HTTP_LOG_PATH\"" . auto/define
have=NGX_HTTP_CLIENT_TEMP_PATH value="\"$NGX_HTTP_CLIENT_TEMP_PATH\""
. auto/define
have=NGX_HTTP_PROXY_TEMP_PATH value="\"$NGX_HTTP_PROXY_TEMP_PATH\""
. auto/define
have=NGX_HTTP_FASTCGI_TEMP_PATH value="\"$NGX_HTTP_FASTCGI_TEMP_PATH\""
. auto/define
have=NGX_HTTP_UWSGI_TEMP_PATH value="\"$NGX_HTTP_UWSGI_TEMP_PATH\""
. auto/define
have=NGX_HTTP_SCGI_TEMP_PATH value="\"$NGX_HTTP_SCGI_TEMP_PATH\""
. auto/define

. auto/make
. auto/lib/make
. auto/install

# STUB
. auto/stubs

have=NGX_USER value="\"$NGX_USER\"" . auto/define
have=NGX_GROUP value="\"$NGX_GROUP\"" . auto/define

if [ ".$NGX_BUILD" != "." ]; then
    have=NGX_BUILD value="\"$NGX_BUILD\"" . auto/define
fi

. auto/summary