nginx configuration regexp emerg error - unrecognized character in location directive with redirect to correct update.ver

[roschacker]

Шаги для воспроизведения проблемы (steps to reproduce)

Исправил файл конфига по инструкции

1. listen 80
2. закомментировал строку с server_name

   запустил тестирование конфигурации

3. nginx -t

Какое действие ожидалось (expected behaviour)

[root@system ~]# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf  syntax is ok

Что произошло на самом деле (actual behaviour)

[root@system ~]# nginx -t
nginx: [emerg] pcre_compile() failed: unrecognized character after (?< in "^(?<file_url>/update\.ver)$" at "file_url>/update\.ver)$" in /etc/nginx/conf.d/nod32mirror.conf:36
nginx: configuration file /etc/nginx/nginx.conf test failed

---

Данные системы (system information)

Операционная система (operating system):

[root@system ~]# cat /proc/version
Linux version 2.6.18-308.1.1.v5 (mockbuild@build64-2) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-52)) #1 SMP Sun Mar 11 18:15:19 MDT 2012

Bash:

[root@system ~]# bash --version
GNU bash, version 3.2.25(1)-release (i386-redhat-linux-gnu)
Copyright (C) 2005 Free Software Foundation, Inc.

wget / curl:

[root@system ~]# wget -V | head -1
GNU Wget 1.11.4 Red Hat modified

[root@system ~]# curl -V
curl 7.15.5 (i386-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Protocols: tftp ftp telnet dict ldap http file https ftps
Features: GSS-Negotiate IDN IPv6 Largefile NTLM SSL libz

---

Настройки (settings):

Настройки скрипта (script settings):

[root@system ~]# cat /root/nod32-update-mirror/nod32-mirror/settings.conf  | grep -v -e '^#' -e '^$'
export NOD32MIRROR_MIRROR_DIR="$HOME/nod32mirror";
export NOD32MIRROR_SERVER_0='http://update.eset.com:80/eset_upd/ username password';
export NOD32MIRROR_SERVER_1='http://nod32.someserver.com/';
export NOD32MIRROR_SERVER_2='http://someserver2.com/nod32/';
export NOD32MIRROR_LANGUAGES='1033 1049';
export NOD32MIRROR_CURL_BIN='false';
export NOD32MIRROR_TEST_URI='http://update.eset.com:80/v8-rel-sta/mod_010_smon_1036/em010_32_l0.nup';
export NOD32MIRROR_TIMESTAMP_FILE_NAME='lastevent.txt';
export NOD32MIRROR_VERSION_FILE_NAME='version.txt';

[root@system ~]# cat /etc/nginx/conf.d/*.conf | grep -v -e '^#' -e '^$'                               server {
    listen       80 default_server;
    listen       [::]:80 default_server;
    server_name  _;
    root         /usr/share/nginx/html;
    # Load configuration files for the default server block.
    include /etc/nginx/default.d/*.conf;
    location / {
    }
    error_page 404 /404.html;
        location = /40x.html {
    }
    error_page 500 502 503 504 /50x.html;
        location = /50x.html {
    }
}
server {
  listen      80;
  root        /usr/share/nginx/nod32mirror;
  index       index.html;
  autoindex   on;
  access_log  off;

  # Setting directory names
  set $webface     "webface";
  set $errorspages "errorspages";
  # Setting custom error pages
  error_page 401 /error401.html;
  error_page 403 /error403.html;
  error_page 404 /error404.html;
  error_page 500 /error500.html;
  error_page 502 /error502.html;
  error_page 503 /error503.html;
  location ~ "^/error([\d]{3}\.html)$" {
    try_files /$webface/$errorspages/$1 $uri =404;
  }

  # Deny access for spiders/robots/tools/etc
  if ($http_user_agent ~* ^(wget|aria2|nod32view|perl|php|curl|google|yandex|yahoo|-|mirror|spider|bot|parser|grab)) {
    return 403;
  }
  # Deny direct access for hidden files/directories
  location ~ /\. {
    return 444;
  }

  # Redirect request to correct update.ver file, based on nod32 user-agent version
  location ~* "^(?<file_url>/update\.ver)$" {
    if ($http_user_agent ~* "BPC (?<version>[\d]{1,2})\.") {
      set $new_location "v$version$file_url";
    }
    if (-f $document_root/$new_location) {
      return 301 $scheme://$server_name/$new_location;
    }
  }

  # Enable checking username/password for updates files access
  location ~* ^.+\.nup$ {
    allow all;
    auth_basic "Enter login:password for getting access";
    auth_basic_user_file $document_root/.htpasswd;
  }

  # Redirect empty requests to webface index file
  location = / {
    try_files /$webface/index.html =404;
  }

  try_files $uri /$webface$uri /$webface/$errorspages$uri =404;
}

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