如何附加Nginx的ntlm模块?

Nginx

1 基础知识

– “nginx-ntlm-module”模块允许代理NTLM身份验证
– “nginx-ntlm-module”模块收到客户端“Negotiate”或“NTLM”开头的认证标头字段则触发模块
– “nginx-ntlm-module”模块收到客户端“Negotiate”或“NTLM”开头的认证标头字段则触发模块
– “nginx-ntlm-module”模块会把上游服务器与客户端链接绑定并保持身份验证上下文

2 最佳实践

2.1 环境配置

2.1.1 系统环境

IP Address = 10.168.0.154
Host Name = any.cmdschool.org
OS = CentOS 7.3 x86_64

2.1.2 yum源配置

yum -y install gcc gcc-c++ make expat-devel 
yum -y install rpm-build redhat-lsb
yum -y install vim wget

2.1.3 创建构建用户

useradd -u 1001 builder

2.1.4 关闭selinux

setenforce 0
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config

2.2 构建rpm包部分

2.2.1 下载安装包

su - builder
cd ~
wget https://nginx.org/packages/rhel/7/SRPMS/nginx-1.20.1-1.el7.ngx.src.rpm
wget https://github.com/gabihodoroaga/nginx-ntlm-module/archive/refs/tags/v1.19.3.tar.gz -O nginx-ntlm-module_v1.19.3.tar.gz

另外,其他版本请从如下链接下载,
http://nginx.org/packages/
https://github.com/gabihodoroaga/nginx-ntlm-module/releases

2.2.2 解压并测试构建环境

rpm -ivh rpm -ivh nginx-1.20.1-1.el7.ngx.src.rpm
rpmbuild -bb rpmbuild/SPECS/nginx.spec

如果看到类似提示,

error: Failed build dependencies:
        openssl-devel >= 1.0.2 is needed by nginx-1:1.20.1-1.el7.ngx.x86_64
        zlib-devel is needed by nginx-1:1.20.1-1.el7.ngx.x86_64
        pcre-devel is needed by nginx-1:1.20.1-1.el7.ngx.x86_64

请先解决包的依赖关系然后重试:

exit
yum -y install openssl-devel zlib-devel pcre-devel

2.2.3 配置nginx_cookie_flag_modele模块

tar -xf nginx-ntlm-module_v1.19.3.tar.gz
cp -a nginx-ntlm-module-1.19.3/ rpmbuild/BUILD/nginx-ntlm-module

2.2.4 修改构建文件

cd rpmbuild/SPECS
cp nginx.spec nginx.spec.orig

修改配置文件参数,

vim nginx.spec

修改包含如下关键字的行,

%define BASE_CONFIGURE_ARGS

在该行增加如下参数,

--add-module=../nginx-ntlm-module

2.2.5 重新构建rpm包

diff -uN nginx.spec.orig nginx.spec > nginx-ntlm-module.patch
patch -p0 < nginx-ntlm-module.patch

如果出现如下提示,按照以下向导处理,

patching file nginx.spec
Reversed (or previously applied) patch detected!  Assume -R? [n]
Apply anyway? [n] y
Hunk #1 FAILED at 64.
1 out of 1 hunk FAILED -- saving rejects to file nginx.spec.rej

继续完成重构

rpmbuild -bb nginx.spec
exit

2.3 配置Nginx服务

2.3.1 安装nginx包

cd /home/builder/rpmbuild/RPMS/x86_64/
yum -y install nginx-1.20.1-1.el7.ngx.x86_64.rpm

2.3.2 确认模块启用

nginx -V

显示如下:

nginx version: nginx/1.20.1
built by gcc 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC)
built with OpenSSL 1.0.1e-fips 11 Feb 2013
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib64/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-compat --with-file-aio --with-threads --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_flv_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_mp4_module --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module --add-module=../nginx-ntlm-module --with-cc-opt='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC' --with-ld-opt='-Wl,-z,relro -Wl,-z,now -pie'

可见配置的参数后面有加载模块:

--add-module=../nginx-ntlm-module

2.3.3 启动服务并配置自启动

systemctl start nginx.service
systemctl enable nginx.service

2.3.4 配置防火墙

firewall-cmd --permanent --add-service http --add-service https
firewall-cmd --reload
firewall-cmd --list-all

2.3.5 增加带echo的配置

vim /etc/nginx/conf.d/default.conf

加入如下行:

#...
upstream exchange-rpc {
    zone exchange-rpc 64k;
    server excmail01.cmdschool.org:443;
    server excmail02.cmdschool.org:443;
    ntlm;
}
#...
server {
    [..]
    location /rpc/rpcproxy.dll {
        proxy_pass https://exchange-rpc;
        proxy_buffering off;
        proxy_http_version 1.1;
        proxy_request_buffering off;
        proxy_set_header Connection "Keep-Alive";
    }
    [..]
}

2.3.6 校验配置文件

nginx -t

如果看到以下提示则达到预期,

nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful

2.3.7 重启服务使配置生效

systemctl reload nginx.service

参阅文档
======================
非官方模块的使用
——————-
https://github.com/gabihodoroaga/nginx-ntlm-module/blob/master/README.md

ntlm模块的GitHub
———————
https://github.com/gabihodoroaga/nginx-ntlm-module

nginx官方模块的使用方法(用法与本章阐述的开源模块有差异且只有企业版本支持)
———————
http://nginx.org/en/docs/http/ngx_http_upstream_module.html#ntlm

Nginx官方推荐的第三方模块
————————
https://www.nginx.com/resources/wiki/modules/

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