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view auto/lib/conf @ 6409:71edd9192f24

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Fixed buffer over-read while logging invalid request headers. Since 667aaf61a778 (1.1.17) the ngx_http_parse_header_line() function can return NGX_HTTP_PARSE_INVALID_HEADER when a header contains NUL character. In this case the r->header_end pointer isn't properly initialized, but the log message in ngx_http_process_request_headers() hasn't been adjusted. It used the pointer in size calculation, which might result in up to 2k buffer over-read. Found with afl-fuzz.
author Valentin Bartenev <vbart@nginx.com>
date Wed, 24 Feb 2016 16:01:23 +0300
parents 85dea406e18f
children 39a806ccf21e
line wrap: on
line source


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


if [ $USE_PCRE = YES -o $PCRE != NONE ]; then
    . auto/lib/pcre/conf

else
    if [ $USE_PCRE = DISABLED -a $HTTP_REWRITE = YES ]; then

cat << END

$0: error: the HTTP rewrite module requires the PCRE library.
You can either disable the module by using --without-http_rewrite_module
option or you have to enable the PCRE support.

END
        exit 1
    fi
fi


if [ $USE_OPENSSL = YES ]; then
    . auto/lib/openssl/conf
fi

if [ $USE_MD5 = YES ]; then

    if [ $USE_OPENSSL = YES ]; then
        have=NGX_HAVE_OPENSSL_MD5_H . auto/have
        have=NGX_OPENSSL_MD5 . auto/have
        have=NGX_HAVE_MD5 . auto/have
        MD5=YES
        MD5_LIB=OpenSSL

    else
        . auto/lib/md5/conf
    fi

fi

if [ $USE_SHA1 = YES ]; then

    if [ $USE_OPENSSL = YES ]; then
        have=NGX_HAVE_OPENSSL_SHA1_H . auto/have
        have=NGX_HAVE_SHA1 . auto/have
        SHA1=YES
        SHA1_LIB=OpenSSL

    else
        . auto/lib/sha1/conf
    fi

fi

if [ $USE_ZLIB = YES ]; then
    . auto/lib/zlib/conf
fi

if [ $USE_LIBXSLT != NO ]; then
    . auto/lib/libxslt/conf
fi

if [ $USE_LIBGD != NO ]; then
    . auto/lib/libgd/conf
fi

if [ $USE_PERL = YES ]; then
    . auto/lib/perl/conf
fi

if [ $USE_GEOIP != NO ]; then
    . auto/lib/geoip/conf
fi

if [ $NGX_GOOGLE_PERFTOOLS = YES ]; then
    . auto/lib/google-perftools/conf
fi

if [ $NGX_LIBATOMIC != NO ]; then
    . auto/lib/libatomic/conf
fi