tengine无法解析ssi报错 Nginx: unsafe URI detected while sending response
Nginx: unsafe URI detected while sending response 现象：# 类似 <!--#include virtual="../library/header.html"--><div id="blog"> html语法无法解析，导致网站头部尾部不能正常展示 <!--#include virtual="library/header.html"--> 可以解析没有问题 # 代码片段
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<link rel="shortcut icon" href="http://blog.chinasoft.com/static/favicon.ico" />
<title>Influencer Marketing Tips</title>
<meta name="description" content="Learn more about the helpful influencer marketing tips for your brand, products or business on chinasoft blog center." />
</head>
<body> <!--#include virtual="../library/header.html"--><div id="blog">
<div>
<div class="container py-lg-5" style="max-width:1200px">
<div class="bg-light rounded py-4 px-5 mx-auto"> 网站头部不能加载影响美观 [root@eus_mp_web01:/data/www/vhosts/blog.chinasoft.com/httpdocs/influencer-marketing-tips]# tail -f /data/www/logs/nginx_log/error/blog.com_error.log
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/footer.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * open() "/data/www/vhosts/blog.chinasoft.com/httpdocs/static/favicon.ico" failed (: No such file or directory), client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /static/favicon.ico HTTP/1.1", host: "blog.chinasoft.com", referrer: "https://blog.chinasoft.com/influencer-marketing-tips/"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/header.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/footer.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/header.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/footer.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/header.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/footer.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/header.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/footer.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com" // :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/header.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com"
// :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/footer.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com" 关于Nginx的SSI(包含路径)
如果shtml里面的网页代码包含语句写成如下：
<!--#include virtual="/test.html"-->
这样是没有问题，可以包含的，但是如果写成这样： <!--#include virtual="../test.html"-->
由于需要包含当前代码文件所在目录路径的上级目录文件，nginx会为此请求产生的子请求uri为/../test.html，默认nginx会认为这个uri并不是安全的，日志(error_log)会输入如下错误： // :: [error] #: * unsafe URI "/influencer-marketing-tips/../library/footer.html" was detected while sending response to client, client: 1.1.1.1, server: blog.chinasoft.com, request: "GET /influencer-marketing-tips/ HTTP/1.1", host: "blog.chinasoft.com" 不能正确包含文件，页面会输出[an error occurred while processing the directive]，解决方法是找到nginx源代码目录的unsafe uri检查函数并强制使其返回一个NGX_OK # 解决办法： # 修改源文件tengine-2.2./src/http/ngx_http_parse.c
# 找到ngx_http_parse_unsafe_uri 函数，直接返回 NGX_OK ngx_http_parse_unsafe_uri(ngx_http_request_t *r, ngx_str_t *uri,
ngx_str_t *args, ngx_uint_t *flags)
{
return NGX_OK; # 新增return NGX_OK;
u_char ch, *p, *src, *dst;
size_t len;
ngx_uint_t quoted; len = uri->len;
p = uri->data;
quoted = ; if (len == || p[] == '?') {
goto unsafe;
} if (p[] == '.' && len > && p[] == '.'
&& (len == || ngx_path_separator(p[])))
{
goto unsafe;
} for ( /* void */ ; len; len--) { ch = *p++; if (ch == '%') {
quoted = ;
continue;
} if (usual[ch >> ] & ( << (ch & 0x1f))) {
continue;
} if (ch == '?') {
args->len = len - ;
args->data = p;
uri->len -= len; break;
} # 重新编译即可 ./configure --prefix=/usr/local/tengine-2.2.3_ssi --with-ld-opt=-Wl,-rpath, --user=daemon --group=daemon --with-http_ssl_module --with-http_realip_module --with-http_addition_module --with-http_xslt_module --with-http_sub_module --with-http_stub_status_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gzip_static_module --with-http_geoip_module --with-http_secure_link_module --with-http_degradation_module --with-mail_ssl_module --with-http_sysguard_module --with-http_concat_module --with-pcre=/usr/local/lab/pcre-8.34 --with-zlib=/usr/local/lab/zlib-1.2. --add-module=/usr/local/lab/ngx_cache_purge-2.3 --with-jemalloc --with-http_upstream_check_module --with-http_lua_module --with-luajit-lib=/usr/local/lib/ --with-luajit-inc=/usr/local/include/luajit-2.0/ --with-lua-inc=/usr/local/include/luajit-2.0/ --with-lua-lib=/usr/local/lib/ --with-openssl=/usr/local/lab/openssl-1.1.0i --add-module=/usr/local/ngx_http_geoip2_module-3.2 # make && make install 重新编译以后nginx可以包含上级目录的文件，当然，带来的后果是安全性的下降
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